diff --git a/.gitignore b/.gitignore
index e2c221f..d578ae1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,11 +16,11 @@
 # additional stuff
 .metadata/
 bin/
-.settings/
 *.swp
 
 *~
 *.orig
 target/
 *.java._trace
-*.smap
\ No newline at end of file
+*.java_trace
+*.smap
diff --git a/examples/plugins/org.eclipse.bpel.ui.xtext.examples/.classpath b/examples/plugins/org.eclipse.bpel.ui.xtext.examples/.classpath
new file mode 100644
index 0000000..ad32c83
--- /dev/null
+++ b/examples/plugins/org.eclipse.bpel.ui.xtext.examples/.classpath
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git a/examples/plugins/org.eclipse.bpel.ui.xtext.examples/.project b/examples/plugins/org.eclipse.bpel.ui.xtext.examples/.project
new file mode 100644
index 0000000..8fda269
--- /dev/null
+++ b/examples/plugins/org.eclipse.bpel.ui.xtext.examples/.project
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>org.eclipse.bpel.ui.xtext.examples</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ManifestBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.SchemaBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.pde.PluginNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>
diff --git a/examples/plugins/org.eclipse.bpel.ui.xtext.examples/META-INF/MANIFEST.MF b/examples/plugins/org.eclipse.bpel.ui.xtext.examples/META-INF/MANIFEST.MF
new file mode 100644
index 0000000..693ac1d
--- /dev/null
+++ b/examples/plugins/org.eclipse.bpel.ui.xtext.examples/META-INF/MANIFEST.MF
@@ -0,0 +1,17 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: Examples of Xtext Editor Embedded in Bpel Designer
+Bundle-SymbolicName: org.eclipse.bpel.ui.xtext.examples;singleton:=true
+Bundle-Version: 1.0.0.qualifier
+Bundle-Activator: org.eclipse.bpel.ui.xtext.examples.Activator
+Require-Bundle: org.eclipse.core.runtime,
+ org.xtext.example.mydsl;bundle-version="1.0.0",
+ org.xtext.example.mydsl.ui;bundle-version="1.0.0",
+ org.eclipse.xtext.example.arithmetics;bundle-version="2.3.0",
+ org.eclipse.xtext.example.arithmetics.ui;bundle-version="2.3.0",
+ org.eclipse.xtext.example.fowlerdsl;bundle-version="1.0.0",
+ org.eclipse.xtext.example.fowlerdsl.ui;bundle-version="1.0.0",
+ org.eclipse.bpel.ui.xtext;bundle-version="1.0.0"
+Bundle-ActivationPolicy: lazy
+Bundle-RequiredExecutionEnvironment: JavaSE-1.6
+Bundle-Vendor: Lorenzo Bettini
diff --git a/examples/plugins/org.eclipse.bpel.ui.xtext.examples/Xtext Embedded Editors Examples.launch b/examples/plugins/org.eclipse.bpel.ui.xtext.examples/Xtext Embedded Editors Examples.launch
new file mode 100644
index 0000000..6f7d607
--- /dev/null
+++ b/examples/plugins/org.eclipse.bpel.ui.xtext.examples/Xtext Embedded Editors Examples.launch
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<launchConfiguration type="org.eclipse.pde.ui.RuntimeWorkbench">
+<booleanAttribute key="append.args" value="true"/>
+<booleanAttribute key="askclear" value="true"/>
+<booleanAttribute key="automaticAdd" value="true"/>
+<booleanAttribute key="automaticValidate" value="false"/>
+<stringAttribute key="bootstrap" value=""/>
+<stringAttribute key="checked" value="[NONE]"/>
+<booleanAttribute key="clearConfig" value="false"/>
+<booleanAttribute key="clearws" value="false"/>
+<booleanAttribute key="clearwslog" value="false"/>
+<stringAttribute key="configLocation" value="${workspace_loc}/.metadata/.plugins/org.eclipse.pde.core/Xtext Embedded Editors Examples"/>
+<booleanAttribute key="default" value="true"/>
+<booleanAttribute key="includeOptional" value="true"/>
+<stringAttribute key="location" value="${workspace_loc}/../runtime-Bpel"/>
+<stringAttribute key="org.eclipse.jdt.launching.PROGRAM_ARGUMENTS" value="-os ${target.os} -ws ${target.ws} -arch ${target.arch} -nl ${target.nl} -consoleLog"/>
+<stringAttribute key="org.eclipse.jdt.launching.SOURCE_PATH_PROVIDER" value="org.eclipse.pde.ui.workbenchClasspathProvider"/>
+<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-Dosgi.requiredJavaVersion=1.5 -XX:MaxPermSize=256m -Xms40m -Xmx512m"/>
+<booleanAttribute key="pde.generated.config" value="false"/>
+<stringAttribute key="pde.version" value="3.3"/>
+<stringAttribute key="product" value="org.eclipse.sdk.ide"/>
+<booleanAttribute key="show_selected_only" value="false"/>
+<booleanAttribute key="tracing" value="false"/>
+<booleanAttribute key="useCustomFeatures" value="false"/>
+<booleanAttribute key="useDefaultConfig" value="true"/>
+<booleanAttribute key="useDefaultConfigArea" value="true"/>
+<booleanAttribute key="useProduct" value="true"/>
+<booleanAttribute key="usefeatures" value="false"/>
+</launchConfiguration>
diff --git a/examples/plugins/org.eclipse.bpel.ui.xtext.examples/build.properties b/examples/plugins/org.eclipse.bpel.ui.xtext.examples/build.properties
new file mode 100644
index 0000000..e9863e2
--- /dev/null
+++ b/examples/plugins/org.eclipse.bpel.ui.xtext.examples/build.properties
@@ -0,0 +1,5 @@
+source.. = src/
+output.. = bin/
+bin.includes = META-INF/,\
+               .,\
+               plugin.xml
diff --git a/examples/plugins/org.eclipse.bpel.ui.xtext.examples/plugin.xml b/examples/plugins/org.eclipse.bpel.ui.xtext.examples/plugin.xml
new file mode 100644
index 0000000..6d439a9
--- /dev/null
+++ b/examples/plugins/org.eclipse.bpel.ui.xtext.examples/plugin.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.4"?>
+<plugin>
+   <extension
+         point="org.eclipse.bpel.ui.assignCategoryAdditions">
+      <assignSection
+            class="org.eclipse.bpel.ui.xtext.examples.GreetingsXtextExpressionAssignCategory"
+            name="Xtext Greeting"></assignSection>
+   </extension>
+   <extension
+         point="org.eclipse.bpel.ui.assignCategoryAdditions">
+      <assignSection
+            class="org.eclipse.bpel.ui.xtext.examples.FowlerDslXtextExpressionAssignCategory"
+            name="Xtext Fowler DSL">
+      </assignSection>
+   </extension>
+   <extension
+         point="org.eclipse.bpel.ui.assignCategoryAdditions">
+      <assignSection
+            class="org.eclipse.bpel.ui.xtext.examples.ArithmeticsXtextExpressionAssignCategory"
+            name="Xtext Arithmetics DSL">
+      </assignSection>
+   </extension>
+
+</plugin>
diff --git a/examples/plugins/org.eclipse.bpel.ui.xtext.examples/src/org/eclipse/bpel/ui/xtext/examples/Activator.java b/examples/plugins/org.eclipse.bpel.ui.xtext.examples/src/org/eclipse/bpel/ui/xtext/examples/Activator.java
new file mode 100644
index 0000000..042019a
--- /dev/null
+++ b/examples/plugins/org.eclipse.bpel.ui.xtext.examples/src/org/eclipse/bpel/ui/xtext/examples/Activator.java
@@ -0,0 +1,30 @@
+package org.eclipse.bpel.ui.xtext.examples;
+
+import org.osgi.framework.BundleActivator;
+import org.osgi.framework.BundleContext;
+
+public class Activator implements BundleActivator {
+
+	private static BundleContext context;
+
+	static BundleContext getContext() {
+		return context;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext)
+	 */
+	public void start(BundleContext bundleContext) throws Exception {
+		Activator.context = bundleContext;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext)
+	 */
+	public void stop(BundleContext bundleContext) throws Exception {
+		Activator.context = null;
+	}
+
+}
diff --git a/examples/plugins/org.eclipse.bpel.ui.xtext.examples/src/org/eclipse/bpel/ui/xtext/examples/ArithmeticsXtextExpressionAssignCategory.java b/examples/plugins/org.eclipse.bpel.ui.xtext.examples/src/org/eclipse/bpel/ui/xtext/examples/ArithmeticsXtextExpressionAssignCategory.java
new file mode 100644
index 0000000..c6cc6f7
--- /dev/null
+++ b/examples/plugins/org.eclipse.bpel.ui.xtext.examples/src/org/eclipse/bpel/ui/xtext/examples/ArithmeticsXtextExpressionAssignCategory.java
@@ -0,0 +1,41 @@
+package org.eclipse.bpel.ui.xtext.examples;
+
+import org.eclipse.bpel.ui.properties.xtext.AbstractXtextExpressionAssignCategory;
+import org.eclipse.xtext.example.arithmetics.ui.internal.ArithmeticsActivator;
+
+import com.google.inject.Injector;
+
+/**
+ * @author Lorenzo Bettini
+ *
+ */
+public class ArithmeticsXtextExpressionAssignCategory extends
+		AbstractXtextExpressionAssignCategory {
+
+//	public ArithmeticsXtextExpressionAssignCategory(
+//			BPELPropertySection ownerSection) {
+//		super(ownerSection);
+//	}
+
+	@Override
+	public String getName() {
+		return "Xtext Arithmetics Editor";
+	}
+
+	public Injector getInjector() {
+		return ArithmeticsActivator
+				.getInstance()
+				.getInjector(
+						ArithmeticsActivator.ORG_ECLIPSE_XTEXT_EXAMPLE_ARITHMETICS_ARITHMETICS);
+	}
+
+	@Override
+	public String getExpressionLanguage() {
+		return "arithmetics";
+	}
+
+	@Override
+	protected String getStyledTextLabelString() {
+		return "Edit the arithmethics expression";
+	}
+}
diff --git a/examples/plugins/org.eclipse.bpel.ui.xtext.examples/src/org/eclipse/bpel/ui/xtext/examples/FowlerDslXtextExpressionAssignCategory.java b/examples/plugins/org.eclipse.bpel.ui.xtext.examples/src/org/eclipse/bpel/ui/xtext/examples/FowlerDslXtextExpressionAssignCategory.java
new file mode 100644
index 0000000..5f03404
--- /dev/null
+++ b/examples/plugins/org.eclipse.bpel.ui.xtext.examples/src/org/eclipse/bpel/ui/xtext/examples/FowlerDslXtextExpressionAssignCategory.java
@@ -0,0 +1,42 @@
+package org.eclipse.bpel.ui.xtext.examples;
+
+import org.eclipse.bpel.ui.properties.xtext.AbstractXtextExpressionAssignCategory;
+import org.eclipse.xtext.example.fowlerdsl.ui.internal.StatemachineActivator;
+
+import com.google.inject.Injector;
+
+/**
+ * @author Lorenzo Bettini
+ *
+ */
+public class FowlerDslXtextExpressionAssignCategory extends
+		AbstractXtextExpressionAssignCategory {
+
+//	public FowlerDslXtextExpressionAssignCategory(
+//			BPELPropertySection ownerSection) {
+//		super(ownerSection);
+//	}
+
+	@Override
+	public String getName() {
+		return "Xtext FowlerDsl Editor";
+	}
+
+	public Injector getInjector() {
+		return StatemachineActivator
+				.getInstance()
+				.getInjector(
+						StatemachineActivator.ORG_ECLIPSE_XTEXT_EXAMPLE_FOWLERDSL_STATEMACHINE);
+	}
+	
+	@Override
+	public String getExpressionLanguage() {
+		return "fowler";
+	}
+
+	@Override
+	protected String getStyledTextLabelString() {
+		return "Edit the statemachine expression";
+	}
+
+}
diff --git a/examples/plugins/org.eclipse.bpel.ui.xtext.examples/src/org/eclipse/bpel/ui/xtext/examples/GreetingsXtextExpressionAssignCategory.java b/examples/plugins/org.eclipse.bpel.ui.xtext.examples/src/org/eclipse/bpel/ui/xtext/examples/GreetingsXtextExpressionAssignCategory.java
new file mode 100644
index 0000000..efa647f
--- /dev/null
+++ b/examples/plugins/org.eclipse.bpel.ui.xtext.examples/src/org/eclipse/bpel/ui/xtext/examples/GreetingsXtextExpressionAssignCategory.java
@@ -0,0 +1,39 @@
+package org.eclipse.bpel.ui.xtext.examples;
+
+import org.eclipse.bpel.ui.properties.xtext.AbstractXtextExpressionAssignCategory;
+
+import com.google.inject.Injector;
+
+/**
+ * @author Lorenzo Bettini
+ *
+ */
+public class GreetingsXtextExpressionAssignCategory extends
+		AbstractXtextExpressionAssignCategory {
+
+//	public GreetingsXtextExpressionAssignCategory(
+//			BPELPropertySection ownerSection) {
+//		super(ownerSection);
+//	}
+
+	@Override
+	public String getName() {
+		return "Xtext Greeting Editor";
+	}
+
+	public Injector getInjector() {
+		return org.xtext.example.mydsl.ui.internal.MyDslActivator.getInstance()
+				.getInjector("org.xtext.example.mydsl.MyDsl");
+	}
+	
+	@Override
+	public String getExpressionLanguage() {
+		return "greetings";
+	}
+
+	@Override
+	protected String getStyledTextLabelString() {
+		return "Edit the greeting expression";
+	}
+
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/.classpath b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/.classpath
new file mode 100644
index 0000000..59cf397
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/.classpath
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="src-gen"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/.project b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/.project
new file mode 100644
index 0000000..7a23b7e
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/.project
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>org.eclipse.xtext.example.arithmetics.ui</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ManifestBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.SchemaBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.pde.PluginNature</nature>
+	</natures>
+</projectDescription>
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/.settings/org.eclipse.core.resources.prefs b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/.settings/org.eclipse.core.resources.prefs
new file mode 100644
index 0000000..99f26c0
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/.settings/org.eclipse.core.resources.prefs
@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+encoding/<project>=UTF-8
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/META-INF/MANIFEST.MF b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/META-INF/MANIFEST.MF
new file mode 100644
index 0000000..f2ae691
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/META-INF/MANIFEST.MF
@@ -0,0 +1,21 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: org.eclipse.xtext.example.arithmetics.ui
+Bundle-Vendor: itemis AG
+Bundle-Version: 2.3.0.qualifier
+Bundle-SymbolicName: org.eclipse.xtext.example.arithmetics.ui;singleton:=true
+Bundle-ActivationPolicy: lazy
+Require-Bundle: org.eclipse.xtext.example.arithmetics;visibility:=reexport,
+ org.eclipse.xtext.ui,
+ org.eclipse.ui.editors;bundle-version="3.5.0",
+ org.eclipse.ui.ide;bundle-version="3.5.0",
+ org.eclipse.xtext.ui.shared,
+ org.eclipse.ui,
+ org.eclipse.xtext.builder,
+ org.antlr.runtime
+Import-Package: org.apache.log4j
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
+Bundle-Activator: org.eclipse.xtext.example.arithmetics.ui.internal.ArithmeticsActivator
+Export-Package: org.eclipse.xtext.example.arithmetics.ui.contentassist,
+ org.eclipse.xtext.example.arithmetics.ui.contentassist.antlr,
+ org.eclipse.xtext.example.arithmetics.ui.internal
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/build.properties b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/build.properties
new file mode 100644
index 0000000..bed6e1e
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/build.properties
@@ -0,0 +1,4 @@
+source.. = src/,src-gen/
+bin.includes = META-INF/,\
+               .,\
+               plugin.xml
\ No newline at end of file
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/icons/home_nav.gif b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/icons/home_nav.gif
new file mode 100644
index 0000000..4472e8c
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/icons/home_nav.gif
Binary files differ
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/plugin.xml b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/plugin.xml
new file mode 100644
index 0000000..5ae2f3b
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/plugin.xml
@@ -0,0 +1,238 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.0"?>
+
+<plugin>
+
+    <extension
+            point="org.eclipse.ui.editors">
+        <editor
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.XtextEditor"
+            contributorClass="org.eclipse.ui.editors.text.TextEditorActionContributor"
+            default="true"
+            extensions="calc"
+            id="org.eclipse.xtext.example.arithmetics.Arithmetics"
+            name="Arithmetics Editor">
+        </editor>
+    </extension>
+    <extension
+        point="org.eclipse.ui.handlers">
+        <handler
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.hyperlinking.OpenDeclarationHandler"
+            commandId="org.eclipse.xtext.ui.editor.hyperlinking.OpenDeclaration">
+            <activeWhen>
+                <reference
+                    definitionId="org.eclipse.xtext.example.arithmetics.Arithmetics.Editor.opened">
+                </reference>
+            </activeWhen>
+        </handler>
+        <handler
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.handler.ValidateActionHandler"
+            commandId="org.eclipse.xtext.example.arithmetics.Arithmetics.validate">
+         <activeWhen>
+            <reference
+                    definitionId="org.eclipse.xtext.example.arithmetics.Arithmetics.Editor.opened">
+            </reference>
+         </activeWhen>
+      </handler>
+    </extension>
+    <extension point="org.eclipse.core.expressions.definitions">
+        <definition id="org.eclipse.xtext.example.arithmetics.Arithmetics.Editor.opened">
+            <and>
+                <reference definitionId="isActiveEditorAnInstanceOfXtextEditor"/>
+                <with variable="activeEditor">
+                    <test property="org.eclipse.xtext.ui.editor.XtextEditor.languageName" 
+                        value="org.eclipse.xtext.example.arithmetics.Arithmetics" 
+                        forcePluginActivation="true"/>
+                </with>        
+            </and>
+        </definition>
+    </extension>
+    <extension
+            point="org.eclipse.ui.preferencePages">
+        <page
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.preferences.LanguageRootPreferencePage"
+            id="org.eclipse.xtext.example.arithmetics.Arithmetics"
+            name="Arithmetics">
+            <keywordReference id="org.eclipse.xtext.example.arithmetics.ui.keyword_Arithmetics"/>
+        </page>
+        <page
+            category="org.eclipse.xtext.example.arithmetics.Arithmetics"
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.syntaxcoloring.SyntaxColoringPreferencePage"
+            id="org.eclipse.xtext.example.arithmetics.Arithmetics.coloring"
+            name="Syntax Coloring">
+            <keywordReference id="org.eclipse.xtext.example.arithmetics.ui.keyword_Arithmetics"/>
+        </page>
+        <page
+            category="org.eclipse.xtext.example.arithmetics.Arithmetics"
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.templates.XtextTemplatePreferencePage"
+            id="org.eclipse.xtext.example.arithmetics.Arithmetics.templates"
+            name="Templates">
+            <keywordReference id="org.eclipse.xtext.example.arithmetics.ui.keyword_Arithmetics"/>
+        </page>
+    </extension>
+    <extension
+            point="org.eclipse.ui.propertyPages">
+        <page
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.preferences.LanguageRootPreferencePage"
+            id="org.eclipse.xtext.example.arithmetics.Arithmetics"
+            name="Arithmetics">
+            <keywordReference id="org.eclipse.xtext.example.arithmetics.ui.keyword_Arithmetics"/>
+            <enabledWhen>
+	            <adapt type="org.eclipse.core.resources.IProject"/>
+			</enabledWhen>
+	        <filter name="projectNature" value="org.eclipse.xtext.ui.shared.xtextNature"/>
+        </page>
+    </extension>
+    <extension
+        point="org.eclipse.ui.keywords">
+        <keyword
+            id="org.eclipse.xtext.example.arithmetics.ui.keyword_Arithmetics"
+            label="Arithmetics"/>
+    </extension>
+    <extension
+         point="org.eclipse.ui.commands">
+      <command
+            description="Trigger expensive validation"
+            id="org.eclipse.xtext.example.arithmetics.Arithmetics.validate"
+            name="Validate">
+      </command>
+    </extension>
+    <extension point="org.eclipse.ui.menus">
+        <menuContribution
+            locationURI="popup:#TextEditorContext?after=group.edit">
+             <command
+                 commandId="org.eclipse.xtext.example.arithmetics.Arithmetics.validate"
+                 style="push"
+                 tooltip="Trigger expensive validation">
+            <visibleWhen checkEnabled="false">
+                <reference
+                    definitionId="org.eclipse.xtext.example.arithmetics.Arithmetics.Editor.opened">
+                </reference>
+            </visibleWhen>
+         </command>  
+         </menuContribution>
+    </extension>
+    <extension point="org.eclipse.ui.menus">
+		<menuContribution locationURI="popup:#TextEditorContext?endof=group.find">
+			<command commandId="org.eclipse.xtext.ui.editor.FindReferences">
+				<visibleWhen checkEnabled="false">
+                	<reference definitionId="org.eclipse.xtext.example.arithmetics.Arithmetics.Editor.opened">
+                	</reference>
+            	</visibleWhen>
+			</command>
+		</menuContribution>
+	</extension>
+	<extension point="org.eclipse.ui.handlers">
+	    <handler
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.findrefs.FindReferencesHandler"
+            commandId="org.eclipse.xtext.ui.editor.FindReferences">
+            <activeWhen>
+                <reference
+                    definitionId="org.eclipse.xtext.example.arithmetics.Arithmetics.Editor.opened">
+                </reference>
+            </activeWhen>
+        </handler>
+    </extension>   
+
+<!-- adding resource factories -->
+
+	<extension
+		point="org.eclipse.emf.ecore.extension_parser">
+		<parser
+			class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.resource.IResourceFactory"
+			type="calc">
+		</parser>
+	</extension>
+	<extension point="org.eclipse.xtext.extension_resourceServiceProvider">
+        <resourceServiceProvider
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.resource.IResourceUIServiceProvider"
+            uriExtension="calc">
+        </resourceServiceProvider>
+    </extension>
+
+    <!-- marker definitions for org.eclipse.xtext.example.arithmetics.Arithmetics -->
+    <extension
+            id="arithmetics.check.fast"
+            name="Arithmetics Problem"
+            point="org.eclipse.core.resources.markers">
+        <super type="org.eclipse.xtext.ui.check.fast"/>
+        <persistent value="true"/>
+    </extension>
+    <extension
+            id="arithmetics.check.normal"
+            name="Arithmetics Problem"
+            point="org.eclipse.core.resources.markers">
+        <super type="org.eclipse.xtext.ui.check.normal"/>
+        <persistent value="true"/>
+    </extension>
+    <extension
+            id="arithmetics.check.expensive"
+            name="Arithmetics Problem"
+            point="org.eclipse.core.resources.markers">
+        <super type="org.eclipse.xtext.ui.check.expensive"/>
+        <persistent value="true"/>
+    </extension>
+
+	<!-- Quick Outline -->
+	<extension
+		point="org.eclipse.ui.handlers">
+		<handler 
+			class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.outline.quickoutline.ShowQuickOutlineActionHandler"
+			commandId="org.eclipse.xtext.ui.editor.outline.QuickOutline">
+			<activeWhen>
+				<reference
+					definitionId="org.eclipse.xtext.example.arithmetics.Arithmetics.Editor.opened">
+				</reference>
+			</activeWhen>
+		</handler>
+	</extension>
+	<extension
+		point="org.eclipse.ui.commands">
+		<command
+			description="Open the quick outline."
+			id="org.eclipse.xtext.ui.editor.outline.QuickOutline"
+			name="Quick Outline">
+		</command>
+	</extension>
+	<extension point="org.eclipse.ui.menus">
+		<menuContribution
+			locationURI="popup:#TextEditorContext?after=group.open">
+			<command commandId="org.eclipse.xtext.ui.editor.outline.QuickOutline"
+				style="push"
+				tooltip="Open Quick Outline">
+				<visibleWhen checkEnabled="false">
+					<reference definitionId="org.eclipse.xtext.example.arithmetics.Arithmetics.Editor.opened"/>
+				</visibleWhen>
+			</command>
+		</menuContribution>
+	</extension>
+    <!-- quickfix marker resolution generator for org.eclipse.xtext.example.arithmetics.Arithmetics -->
+    <extension
+            point="org.eclipse.ui.ide.markerResolution">
+        <markerResolutionGenerator
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.quickfix.MarkerResolutionGenerator"
+            markerType="org.eclipse.xtext.example.arithmetics.ui.arithmetics.check.fast">
+            <attribute
+                name="FIXABLE_KEY"
+                value="true">
+            </attribute>
+        </markerResolutionGenerator>
+        <markerResolutionGenerator
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.quickfix.MarkerResolutionGenerator"
+            markerType="org.eclipse.xtext.example.arithmetics.ui.arithmetics.check.normal">
+            <attribute
+                name="FIXABLE_KEY"
+                value="true">
+            </attribute>
+        </markerResolutionGenerator>
+        <markerResolutionGenerator
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.quickfix.MarkerResolutionGenerator"
+            markerType="org.eclipse.xtext.example.arithmetics.ui.arithmetics.check.expensive">
+            <attribute
+                name="FIXABLE_KEY"
+                value="true">
+            </attribute>
+        </markerResolutionGenerator>
+    </extension>
+
+</plugin>
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/plugin.xml_gen b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/plugin.xml_gen
new file mode 100644
index 0000000..4a7da5b
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/plugin.xml_gen
@@ -0,0 +1,239 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.0"?>
+
+<plugin>
+
+    <extension
+            point="org.eclipse.ui.editors">
+        <editor
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.XtextEditor"
+            contributorClass="org.eclipse.ui.editors.text.TextEditorActionContributor"
+            default="true"
+            extensions="calc"
+            id="org.eclipse.xtext.example.arithmetics.Arithmetics"
+            name="Arithmetics Editor">
+        </editor>
+    </extension>
+    <extension
+        point="org.eclipse.ui.handlers">
+        <handler
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.hyperlinking.OpenDeclarationHandler"
+            commandId="org.eclipse.xtext.ui.editor.hyperlinking.OpenDeclaration">
+            <activeWhen>
+                <reference
+                    definitionId="org.eclipse.xtext.example.arithmetics.Arithmetics.Editor.opened">
+                </reference>
+            </activeWhen>
+        </handler>
+        <handler
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.handler.ValidateActionHandler"
+            commandId="org.eclipse.xtext.example.arithmetics.Arithmetics.validate">
+         <activeWhen>
+            <reference
+                    definitionId="org.eclipse.xtext.example.arithmetics.Arithmetics.Editor.opened">
+            </reference>
+         </activeWhen>
+      </handler>
+    </extension>
+    <extension point="org.eclipse.core.expressions.definitions">
+        <definition id="org.eclipse.xtext.example.arithmetics.Arithmetics.Editor.opened">
+            <and>
+                <reference definitionId="isActiveEditorAnInstanceOfXtextEditor"/>
+                <with variable="activeEditor">
+                    <test property="org.eclipse.xtext.ui.editor.XtextEditor.languageName" 
+                        value="org.eclipse.xtext.example.arithmetics.Arithmetics" 
+                        forcePluginActivation="true"/>
+                </with>        
+            </and>
+        </definition>
+    </extension>
+    <extension
+            point="org.eclipse.ui.preferencePages">
+        <page
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.preferences.LanguageRootPreferencePage"
+            id="org.eclipse.xtext.example.arithmetics.Arithmetics"
+            name="Arithmetics">
+            <keywordReference id="org.eclipse.xtext.example.arithmetics.ui.keyword_Arithmetics"/>
+        </page>
+        <page
+            category="org.eclipse.xtext.example.arithmetics.Arithmetics"
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.syntaxcoloring.SyntaxColoringPreferencePage"
+            id="org.eclipse.xtext.example.arithmetics.Arithmetics.coloring"
+            name="Syntax Coloring">
+            <keywordReference id="org.eclipse.xtext.example.arithmetics.ui.keyword_Arithmetics"/>
+        </page>
+        <page
+            category="org.eclipse.xtext.example.arithmetics.Arithmetics"
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.templates.XtextTemplatePreferencePage"
+            id="org.eclipse.xtext.example.arithmetics.Arithmetics.templates"
+            name="Templates">
+            <keywordReference id="org.eclipse.xtext.example.arithmetics.ui.keyword_Arithmetics"/>
+        </page>
+    </extension>
+    <extension
+            point="org.eclipse.ui.propertyPages">
+        <page
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.preferences.LanguageRootPreferencePage"
+            id="org.eclipse.xtext.example.arithmetics.Arithmetics"
+            name="Arithmetics">
+            <keywordReference id="org.eclipse.xtext.example.arithmetics.ui.keyword_Arithmetics"/>
+            <enabledWhen>
+	            <adapt type="org.eclipse.core.resources.IProject"/>
+			</enabledWhen>
+	        <filter name="projectNature" value="org.eclipse.xtext.ui.shared.xtextNature"/>
+        </page>
+    </extension>
+    <extension
+        point="org.eclipse.ui.keywords">
+        <keyword
+            id="org.eclipse.xtext.example.arithmetics.ui.keyword_Arithmetics"
+            label="Arithmetics"/>
+    </extension>
+    <extension
+         point="org.eclipse.ui.commands">
+      <command
+            description="Trigger expensive validation"
+            id="org.eclipse.xtext.example.arithmetics.Arithmetics.validate"
+            name="Validate">
+      </command>
+    </extension>
+    <extension point="org.eclipse.ui.menus">
+        <menuContribution
+            locationURI="popup:#TextEditorContext?after=group.edit">
+             <command
+                 commandId="org.eclipse.xtext.example.arithmetics.Arithmetics.validate"
+                 style="push"
+                 tooltip="Trigger expensive validation">
+            <visibleWhen checkEnabled="false">
+                <reference
+                    definitionId="org.eclipse.xtext.example.arithmetics.Arithmetics.Editor.opened">
+                </reference>
+            </visibleWhen>
+         </command>  
+         </menuContribution>
+    </extension>
+    <extension point="org.eclipse.ui.menus">
+		<menuContribution locationURI="popup:#TextEditorContext?endof=group.find">
+			<command commandId="org.eclipse.xtext.ui.editor.FindReferences">
+				<visibleWhen checkEnabled="false">
+                	<reference definitionId="org.eclipse.xtext.example.arithmetics.Arithmetics.Editor.opened">
+                	</reference>
+            	</visibleWhen>
+			</command>
+		</menuContribution>
+	</extension>
+	<extension point="org.eclipse.ui.handlers">
+	    <handler
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.findrefs.FindReferencesHandler"
+            commandId="org.eclipse.xtext.ui.editor.FindReferences">
+            <activeWhen>
+                <reference
+                    definitionId="org.eclipse.xtext.example.arithmetics.Arithmetics.Editor.opened">
+                </reference>
+            </activeWhen>
+        </handler>
+    </extension>   
+
+<!-- adding resource factories -->
+
+	<extension
+		point="org.eclipse.emf.ecore.extension_parser">
+		<parser
+			class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.resource.IResourceFactory"
+			type="calc">
+		</parser>
+	</extension>
+	<extension point="org.eclipse.xtext.extension_resourceServiceProvider">
+        <resourceServiceProvider
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.resource.IResourceUIServiceProvider"
+            uriExtension="calc">
+        </resourceServiceProvider>
+    </extension>
+
+
+    <!-- marker definitions for org.eclipse.xtext.example.arithmetics.Arithmetics -->
+    <extension
+            id="arithmetics.check.fast"
+            name="Arithmetics Problem"
+            point="org.eclipse.core.resources.markers">
+        <super type="org.eclipse.xtext.ui.check.fast"/>
+        <persistent value="true"/>
+    </extension>
+    <extension
+            id="arithmetics.check.normal"
+            name="Arithmetics Problem"
+            point="org.eclipse.core.resources.markers">
+        <super type="org.eclipse.xtext.ui.check.normal"/>
+        <persistent value="true"/>
+    </extension>
+    <extension
+            id="arithmetics.check.expensive"
+            name="Arithmetics Problem"
+            point="org.eclipse.core.resources.markers">
+        <super type="org.eclipse.xtext.ui.check.expensive"/>
+        <persistent value="true"/>
+    </extension>
+
+	<!-- Quick Outline -->
+	<extension
+		point="org.eclipse.ui.handlers">
+		<handler 
+			class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.outline.quickoutline.ShowQuickOutlineActionHandler"
+			commandId="org.eclipse.xtext.ui.editor.outline.QuickOutline">
+			<activeWhen>
+				<reference
+					definitionId="org.eclipse.xtext.example.arithmetics.Arithmetics.Editor.opened">
+				</reference>
+			</activeWhen>
+		</handler>
+	</extension>
+	<extension
+		point="org.eclipse.ui.commands">
+		<command
+			description="Open the quick outline."
+			id="org.eclipse.xtext.ui.editor.outline.QuickOutline"
+			name="Quick Outline">
+		</command>
+	</extension>
+	<extension point="org.eclipse.ui.menus">
+		<menuContribution
+			locationURI="popup:#TextEditorContext?after=group.open">
+			<command commandId="org.eclipse.xtext.ui.editor.outline.QuickOutline"
+				style="push"
+				tooltip="Open Quick Outline">
+				<visibleWhen checkEnabled="false">
+					<reference definitionId="org.eclipse.xtext.example.arithmetics.Arithmetics.Editor.opened"/>
+				</visibleWhen>
+			</command>
+		</menuContribution>
+	</extension>
+    <!-- quickfix marker resolution generator for org.eclipse.xtext.example.arithmetics.Arithmetics -->
+    <extension
+            point="org.eclipse.ui.ide.markerResolution">
+        <markerResolutionGenerator
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.quickfix.MarkerResolutionGenerator"
+            markerType="org.eclipse.xtext.example.arithmetics.ui.arithmetics.check.fast">
+            <attribute
+                name="FIXABLE_KEY"
+                value="true">
+            </attribute>
+        </markerResolutionGenerator>
+        <markerResolutionGenerator
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.quickfix.MarkerResolutionGenerator"
+            markerType="org.eclipse.xtext.example.arithmetics.ui.arithmetics.check.normal">
+            <attribute
+                name="FIXABLE_KEY"
+                value="true">
+            </attribute>
+        </markerResolutionGenerator>
+        <markerResolutionGenerator
+            class="org.eclipse.xtext.example.arithmetics.ui.ArithmeticsExecutableExtensionFactory:org.eclipse.xtext.ui.editor.quickfix.MarkerResolutionGenerator"
+            markerType="org.eclipse.xtext.example.arithmetics.ui.arithmetics.check.expensive">
+            <attribute
+                name="FIXABLE_KEY"
+                value="true">
+            </attribute>
+        </markerResolutionGenerator>
+    </extension>
+
+</plugin>
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/AbstractArithmeticsUiModule.java b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/AbstractArithmeticsUiModule.java
new file mode 100644
index 0000000..1083e07
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/AbstractArithmeticsUiModule.java
@@ -0,0 +1,122 @@
+
+/*
+ * generated by Xtext
+ */
+package org.eclipse.xtext.example.arithmetics.ui;
+
+import org.eclipse.xtext.ui.DefaultUiModule;
+import org.eclipse.ui.plugin.AbstractUIPlugin;
+
+/**
+ * Manual modifications go to {org.eclipse.xtext.example.arithmetics.ui.ArithmeticsUiModule}
+ */
+@SuppressWarnings("all")
+public abstract class AbstractArithmeticsUiModule extends DefaultUiModule {
+	
+	public AbstractArithmeticsUiModule(AbstractUIPlugin plugin) {
+		super(plugin);
+	}
+	
+	
+	// contributed by org.eclipse.xtext.ui.generator.ImplicitUiFragment
+	public com.google.inject.Provider<org.eclipse.xtext.resource.containers.IAllContainersState> provideIAllContainersState() {
+		return org.eclipse.xtext.ui.shared.Access.getJavaProjectsState();
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.contentassist.IProposalConflictHelper> bindIProposalConflictHelper() {
+		return org.eclipse.xtext.ui.editor.contentassist.antlr.AntlrProposalConflictHelper.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public void configureHighlightingLexer(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.parser.antlr.Lexer.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.ui.LexerUIBindings.HIGHLIGHTING)).to(org.eclipse.xtext.example.arithmetics.parser.antlr.internal.InternalArithmeticsLexer.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public void configureHighlightingTokenDefProvider(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.parser.antlr.ITokenDefProvider.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.ui.LexerUIBindings.HIGHLIGHTING)).to(org.eclipse.xtext.parser.antlr.AntlrTokenDefProvider.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.exporting.QualifiedNamesFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.contentassist.PrefixMatcher> bindPrefixMatcher() {
+		return org.eclipse.xtext.ui.editor.contentassist.FQNPrefixMatcher.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.exporting.QualifiedNamesFragment
+	public Class<? extends org.eclipse.xtext.ui.refactoring.IDependentElementsCalculator> bindIDependentElementsCalculator() {
+		return org.eclipse.xtext.ui.refactoring.impl.DefaultDependentElementsCalculator.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.labeling.LabelProviderFragment
+	public Class<? extends org.eclipse.jface.viewers.ILabelProvider> bindILabelProvider() {
+		return org.eclipse.xtext.example.arithmetics.ui.labeling.ArithmeticsLabelProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.labeling.LabelProviderFragment
+	public void configureResourceUIServiceLabelProvider(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.jface.viewers.ILabelProvider.class).annotatedWith(org.eclipse.xtext.ui.resource.ResourceServiceDescriptionLabelProvider.class).to(org.eclipse.xtext.example.arithmetics.ui.labeling.ArithmeticsDescriptionLabelProvider.class);
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.outline.OutlineTreeProviderFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.outline.IOutlineTreeProvider> bindIOutlineTreeProvider() {
+		return org.eclipse.xtext.example.arithmetics.ui.outline.ArithmeticsOutlineTreeProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.outline.OutlineTreeProviderFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.outline.impl.IOutlineTreeStructureProvider> bindIOutlineTreeStructureProvider() {
+		return org.eclipse.xtext.example.arithmetics.ui.outline.ArithmeticsOutlineTreeProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.contentAssist.JavaBasedContentAssistFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.contentassist.IContentProposalProvider> bindIContentProposalProvider() {
+		return org.eclipse.xtext.example.arithmetics.ui.contentassist.ArithmeticsProposalProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrUiGeneratorFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.contentassist.ContentAssistContext.Factory> bindContentAssistContext$Factory() {
+		return org.eclipse.xtext.ui.editor.contentassist.antlr.ParserBasedContentAssistContextFactory.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrUiGeneratorFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.contentassist.antlr.IContentAssistParser> bindIContentAssistParser() {
+		return org.eclipse.xtext.example.arithmetics.ui.contentassist.antlr.ArithmeticsParser.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrUiGeneratorFragment
+	public void configureContentAssistLexerProvider(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.example.arithmetics.ui.contentassist.antlr.internal.InternalArithmeticsLexer.class).toProvider(org.eclipse.xtext.parser.antlr.LexerProvider.create(org.eclipse.xtext.example.arithmetics.ui.contentassist.antlr.internal.InternalArithmeticsLexer.class));
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrUiGeneratorFragment
+	public void configureContentAssistLexer(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.ui.editor.contentassist.antlr.internal.Lexer.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.ui.LexerUIBindings.CONTENT_ASSIST)).to(org.eclipse.xtext.example.arithmetics.ui.contentassist.antlr.internal.InternalArithmeticsLexer.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public void configureIResourceDescriptionsBuilderScope(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.resource.IResourceDescriptions.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.resource.impl.ResourceDescriptionsProvider.NAMED_BUILDER_SCOPE)).to(org.eclipse.xtext.builder.clustering.CurrentDescriptions.ResourceSetAware.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.IXtextEditorCallback> bindIXtextEditorCallback() {
+		return org.eclipse.xtext.builder.nature.NatureAddingEditorCallback.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public void configureIResourceDescriptionsPersisted(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.resource.IResourceDescriptions.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.builder.impl.PersistentDataAwareDirtyResource.PERSISTED_DESCRIPTIONS)).to(org.eclipse.xtext.builder.builderState.IBuilderState.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.DocumentBasedDirtyResource> bindDocumentBasedDirtyResource() {
+		return org.eclipse.xtext.builder.impl.PersistentDataAwareDirtyResource.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.quickfix.QuickfixProviderFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.quickfix.IssueResolutionProvider> bindIssueResolutionProvider() {
+		return org.eclipse.xtext.example.arithmetics.ui.quickfix.ArithmeticsQuickfixProvider.class;
+	}
+
+
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/ArithmeticsExecutableExtensionFactory.java b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/ArithmeticsExecutableExtensionFactory.java
new file mode 100644
index 0000000..16db862
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/ArithmeticsExecutableExtensionFactory.java
@@ -0,0 +1,29 @@
+/*
+ * generated by Xtext
+ */
+package org.eclipse.xtext.example.arithmetics.ui;
+
+import org.eclipse.xtext.ui.guice.AbstractGuiceAwareExecutableExtensionFactory;
+import org.osgi.framework.Bundle;
+
+import com.google.inject.Injector;
+
+import org.eclipse.xtext.example.arithmetics.ui.internal.ArithmeticsActivator;
+
+/**
+ * This class was generated. Customizations should only happen in a newly
+ * introduced subclass. 
+ */
+public class ArithmeticsExecutableExtensionFactory extends AbstractGuiceAwareExecutableExtensionFactory {
+
+	@Override
+	protected Bundle getBundle() {
+		return ArithmeticsActivator.getInstance().getBundle();
+	}
+	
+	@Override
+	protected Injector getInjector() {
+		return ArithmeticsActivator.getInstance().getInjector(ArithmeticsActivator.ORG_ECLIPSE_XTEXT_EXAMPLE_ARITHMETICS_ARITHMETICS);
+	}
+	
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/AbstractArithmeticsProposalProvider.java b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/AbstractArithmeticsProposalProvider.java
new file mode 100644
index 0000000..82836fc
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/AbstractArithmeticsProposalProvider.java
@@ -0,0 +1,105 @@
+/*
+* generated by Xtext
+*/
+package org.eclipse.xtext.example.arithmetics.ui.contentassist;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.*;
+import org.eclipse.xtext.common.ui.contentassist.TerminalsProposalProvider;
+import org.eclipse.xtext.ui.editor.contentassist.ICompletionProposalAcceptor;
+import org.eclipse.xtext.ui.editor.contentassist.ContentAssistContext;
+
+/**
+ * Represents a generated, default implementation of interface {@link IProposalProvider}.
+ * Methods are dynamically dispatched on the first parameter, i.e., you can override them 
+ * with a more concrete subtype. 
+ */
+@SuppressWarnings("all")
+public class AbstractArithmeticsProposalProvider extends TerminalsProposalProvider {
+		
+	public void completeModule_Name(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+	public void completeModule_Imports(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+	public void completeModule_Statements(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+	public void completeImport_ImportedNamespace(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+	public void completeDefinition_Name(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+	public void completeDefinition_Args(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+	public void completeDefinition_Expr(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+	public void completeDeclaredParameter_Name(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+	public void completeEvaluation_Expression(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+	public void completeAddition_Right(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+	public void completeMultiplication_Right(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+	public void completePrimaryExpression_Value(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+	public void completePrimaryExpression_Func(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		lookupCrossReference(((CrossReference)assignment.getTerminal()), context, acceptor);
+	}
+	public void completePrimaryExpression_Args(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+    
+	public void complete_Module(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		// subclasses may override
+	}
+	public void complete_Import(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		// subclasses may override
+	}
+	public void complete_ImportName(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		// subclasses may override
+	}
+	public void complete_Statement(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		// subclasses may override
+	}
+	public void complete_Definition(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		// subclasses may override
+	}
+	public void complete_DeclaredParameter(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		// subclasses may override
+	}
+	public void complete_AbstractDefinition(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		// subclasses may override
+	}
+	public void complete_Evaluation(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		// subclasses may override
+	}
+	public void complete_Expression(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		// subclasses may override
+	}
+	public void complete_Addition(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		// subclasses may override
+	}
+	public void complete_Multiplication(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		// subclasses may override
+	}
+	public void complete_PrimaryExpression(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		// subclasses may override
+	}
+	public void complete_NUMBER(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		// subclasses may override
+	}
+	public void complete_INT(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		// subclasses may override
+	}
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/ArithmeticsParser.java b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/ArithmeticsParser.java
new file mode 100644
index 0000000..6c603b8
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/ArithmeticsParser.java
@@ -0,0 +1,111 @@
+/*
+* generated by Xtext
+*/
+package org.eclipse.xtext.example.arithmetics.ui.contentassist.antlr;
+
+import java.util.Collection;
+import java.util.Map;
+import java.util.HashMap;
+
+import org.antlr.runtime.RecognitionException;
+import org.eclipse.xtext.AbstractElement;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.AbstractContentAssistParser;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.FollowElement;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.AbstractInternalContentAssistParser;
+
+import com.google.inject.Inject;
+
+import org.eclipse.xtext.example.arithmetics.services.ArithmeticsGrammarAccess;
+
+public class ArithmeticsParser extends AbstractContentAssistParser {
+	
+	@Inject
+	private ArithmeticsGrammarAccess grammarAccess;
+	
+	private Map<AbstractElement, String> nameMappings;
+	
+	@Override
+	protected org.eclipse.xtext.example.arithmetics.ui.contentassist.antlr.internal.InternalArithmeticsParser createParser() {
+		org.eclipse.xtext.example.arithmetics.ui.contentassist.antlr.internal.InternalArithmeticsParser result = new org.eclipse.xtext.example.arithmetics.ui.contentassist.antlr.internal.InternalArithmeticsParser(null);
+		result.setGrammarAccess(grammarAccess);
+		return result;
+	}
+	
+	@Override
+	protected String getRuleName(AbstractElement element) {
+		if (nameMappings == null) {
+			nameMappings = new HashMap<AbstractElement, String>() {
+				private static final long serialVersionUID = 1L;
+				{
+					put(grammarAccess.getStatementAccess().getAlternatives(), "rule__Statement__Alternatives");
+					put(grammarAccess.getAbstractDefinitionAccess().getAlternatives(), "rule__AbstractDefinition__Alternatives");
+					put(grammarAccess.getAdditionAccess().getAlternatives_1_0(), "rule__Addition__Alternatives_1_0");
+					put(grammarAccess.getMultiplicationAccess().getAlternatives_1_0(), "rule__Multiplication__Alternatives_1_0");
+					put(grammarAccess.getPrimaryExpressionAccess().getAlternatives(), "rule__PrimaryExpression__Alternatives");
+					put(grammarAccess.getModuleAccess().getGroup(), "rule__Module__Group__0");
+					put(grammarAccess.getImportAccess().getGroup(), "rule__Import__Group__0");
+					put(grammarAccess.getImportNameAccess().getGroup(), "rule__ImportName__Group__0");
+					put(grammarAccess.getImportNameAccess().getGroup_1(), "rule__ImportName__Group_1__0");
+					put(grammarAccess.getDefinitionAccess().getGroup(), "rule__Definition__Group__0");
+					put(grammarAccess.getDefinitionAccess().getGroup_2(), "rule__Definition__Group_2__0");
+					put(grammarAccess.getDefinitionAccess().getGroup_2_2(), "rule__Definition__Group_2_2__0");
+					put(grammarAccess.getEvaluationAccess().getGroup(), "rule__Evaluation__Group__0");
+					put(grammarAccess.getAdditionAccess().getGroup(), "rule__Addition__Group__0");
+					put(grammarAccess.getAdditionAccess().getGroup_1(), "rule__Addition__Group_1__0");
+					put(grammarAccess.getAdditionAccess().getGroup_1_0_0(), "rule__Addition__Group_1_0_0__0");
+					put(grammarAccess.getAdditionAccess().getGroup_1_0_1(), "rule__Addition__Group_1_0_1__0");
+					put(grammarAccess.getMultiplicationAccess().getGroup(), "rule__Multiplication__Group__0");
+					put(grammarAccess.getMultiplicationAccess().getGroup_1(), "rule__Multiplication__Group_1__0");
+					put(grammarAccess.getMultiplicationAccess().getGroup_1_0_0(), "rule__Multiplication__Group_1_0_0__0");
+					put(grammarAccess.getMultiplicationAccess().getGroup_1_0_1(), "rule__Multiplication__Group_1_0_1__0");
+					put(grammarAccess.getPrimaryExpressionAccess().getGroup_0(), "rule__PrimaryExpression__Group_0__0");
+					put(grammarAccess.getPrimaryExpressionAccess().getGroup_1(), "rule__PrimaryExpression__Group_1__0");
+					put(grammarAccess.getPrimaryExpressionAccess().getGroup_2(), "rule__PrimaryExpression__Group_2__0");
+					put(grammarAccess.getPrimaryExpressionAccess().getGroup_2_2(), "rule__PrimaryExpression__Group_2_2__0");
+					put(grammarAccess.getPrimaryExpressionAccess().getGroup_2_2_2(), "rule__PrimaryExpression__Group_2_2_2__0");
+					put(grammarAccess.getModuleAccess().getNameAssignment_1(), "rule__Module__NameAssignment_1");
+					put(grammarAccess.getModuleAccess().getImportsAssignment_2(), "rule__Module__ImportsAssignment_2");
+					put(grammarAccess.getModuleAccess().getStatementsAssignment_3(), "rule__Module__StatementsAssignment_3");
+					put(grammarAccess.getImportAccess().getImportedNamespaceAssignment_1(), "rule__Import__ImportedNamespaceAssignment_1");
+					put(grammarAccess.getDefinitionAccess().getNameAssignment_1(), "rule__Definition__NameAssignment_1");
+					put(grammarAccess.getDefinitionAccess().getArgsAssignment_2_1(), "rule__Definition__ArgsAssignment_2_1");
+					put(grammarAccess.getDefinitionAccess().getArgsAssignment_2_2_1(), "rule__Definition__ArgsAssignment_2_2_1");
+					put(grammarAccess.getDefinitionAccess().getExprAssignment_4(), "rule__Definition__ExprAssignment_4");
+					put(grammarAccess.getDeclaredParameterAccess().getNameAssignment(), "rule__DeclaredParameter__NameAssignment");
+					put(grammarAccess.getEvaluationAccess().getExpressionAssignment_0(), "rule__Evaluation__ExpressionAssignment_0");
+					put(grammarAccess.getAdditionAccess().getRightAssignment_1_1(), "rule__Addition__RightAssignment_1_1");
+					put(grammarAccess.getMultiplicationAccess().getRightAssignment_1_1(), "rule__Multiplication__RightAssignment_1_1");
+					put(grammarAccess.getPrimaryExpressionAccess().getValueAssignment_1_1(), "rule__PrimaryExpression__ValueAssignment_1_1");
+					put(grammarAccess.getPrimaryExpressionAccess().getFuncAssignment_2_1(), "rule__PrimaryExpression__FuncAssignment_2_1");
+					put(grammarAccess.getPrimaryExpressionAccess().getArgsAssignment_2_2_1(), "rule__PrimaryExpression__ArgsAssignment_2_2_1");
+					put(grammarAccess.getPrimaryExpressionAccess().getArgsAssignment_2_2_2_1(), "rule__PrimaryExpression__ArgsAssignment_2_2_2_1");
+				}
+			};
+		}
+		return nameMappings.get(element);
+	}
+	
+	@Override
+	protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
+		try {
+			org.eclipse.xtext.example.arithmetics.ui.contentassist.antlr.internal.InternalArithmeticsParser typedParser = (org.eclipse.xtext.example.arithmetics.ui.contentassist.antlr.internal.InternalArithmeticsParser) parser;
+			typedParser.entryRuleModule();
+			return typedParser.getFollowElements();
+		} catch(RecognitionException ex) {
+			throw new RuntimeException(ex);
+		}		
+	}
+	
+	@Override
+	protected String[] getInitialHiddenTokens() {
+		return new String[] { "RULE_WS", "RULE_ML_COMMENT", "RULE_SL_COMMENT" };
+	}
+	
+	public ArithmeticsGrammarAccess getGrammarAccess() {
+		return this.grammarAccess;
+	}
+	
+	public void setGrammarAccess(ArithmeticsGrammarAccess grammarAccess) {
+		this.grammarAccess = grammarAccess;
+	}
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g
new file mode 100644
index 0000000..4f4e5bd
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g
@@ -0,0 +1,2434 @@
+/*
+* generated by Xtext
+*/
+grammar InternalArithmetics;
+
+options {
+	superClass=AbstractInternalContentAssistParser;
+	
+}
+
+@lexer::header {
+package org.eclipse.xtext.example.arithmetics.ui.contentassist.antlr.internal;
+
+// Hack: Use our own Lexer superclass by means of import. 
+// Currently there is no other way to specify the superclass for the lexer.
+import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.Lexer;
+}
+
+@parser::header {
+package org.eclipse.xtext.example.arithmetics.ui.contentassist.antlr.internal; 
+
+import java.io.InputStream;
+import org.eclipse.xtext.*;
+import org.eclipse.xtext.parser.*;
+import org.eclipse.xtext.parser.impl.*;
+import org.eclipse.emf.ecore.util.EcoreUtil;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream.HiddenTokens;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.AbstractInternalContentAssistParser;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.DFA;
+import org.eclipse.xtext.example.arithmetics.services.ArithmeticsGrammarAccess;
+
+}
+
+@parser::members {
+ 
+ 	private ArithmeticsGrammarAccess grammarAccess;
+ 	
+    public void setGrammarAccess(ArithmeticsGrammarAccess grammarAccess) {
+    	this.grammarAccess = grammarAccess;
+    }
+    
+    @Override
+    protected Grammar getGrammar() {
+    	return grammarAccess.getGrammar();
+    }
+    
+    @Override
+    protected String getValueForTokenName(String tokenName) {
+    	return tokenName;
+    }
+
+}
+
+
+
+
+// Entry rule entryRuleModule
+entryRuleModule 
+:
+{ before(grammarAccess.getModuleRule()); }
+	 ruleModule
+{ after(grammarAccess.getModuleRule()); } 
+	 EOF 
+;
+
+// Rule Module
+ruleModule
+    @init {
+		int stackSize = keepStackSize();
+    }
+	:
+(
+{ before(grammarAccess.getModuleAccess().getGroup()); }
+(rule__Module__Group__0)
+{ after(grammarAccess.getModuleAccess().getGroup()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+// Entry rule entryRuleImport
+entryRuleImport 
+:
+{ before(grammarAccess.getImportRule()); }
+	 ruleImport
+{ after(grammarAccess.getImportRule()); } 
+	 EOF 
+;
+
+// Rule Import
+ruleImport
+    @init {
+		int stackSize = keepStackSize();
+    }
+	:
+(
+{ before(grammarAccess.getImportAccess().getGroup()); }
+(rule__Import__Group__0)
+{ after(grammarAccess.getImportAccess().getGroup()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+// Entry rule entryRuleImportName
+entryRuleImportName 
+:
+{ before(grammarAccess.getImportNameRule()); }
+	 ruleImportName
+{ after(grammarAccess.getImportNameRule()); } 
+	 EOF 
+;
+
+// Rule ImportName
+ruleImportName
+    @init {
+		int stackSize = keepStackSize();
+    }
+	:
+(
+{ before(grammarAccess.getImportNameAccess().getGroup()); }
+(rule__ImportName__Group__0)
+{ after(grammarAccess.getImportNameAccess().getGroup()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+// Entry rule entryRuleStatement
+entryRuleStatement 
+:
+{ before(grammarAccess.getStatementRule()); }
+	 ruleStatement
+{ after(grammarAccess.getStatementRule()); } 
+	 EOF 
+;
+
+// Rule Statement
+ruleStatement
+    @init {
+		int stackSize = keepStackSize();
+    }
+	:
+(
+{ before(grammarAccess.getStatementAccess().getAlternatives()); }
+(rule__Statement__Alternatives)
+{ after(grammarAccess.getStatementAccess().getAlternatives()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+// Entry rule entryRuleDefinition
+entryRuleDefinition 
+:
+{ before(grammarAccess.getDefinitionRule()); }
+	 ruleDefinition
+{ after(grammarAccess.getDefinitionRule()); } 
+	 EOF 
+;
+
+// Rule Definition
+ruleDefinition
+    @init {
+		int stackSize = keepStackSize();
+    }
+	:
+(
+{ before(grammarAccess.getDefinitionAccess().getGroup()); }
+(rule__Definition__Group__0)
+{ after(grammarAccess.getDefinitionAccess().getGroup()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+// Entry rule entryRuleDeclaredParameter
+entryRuleDeclaredParameter 
+:
+{ before(grammarAccess.getDeclaredParameterRule()); }
+	 ruleDeclaredParameter
+{ after(grammarAccess.getDeclaredParameterRule()); } 
+	 EOF 
+;
+
+// Rule DeclaredParameter
+ruleDeclaredParameter
+    @init {
+		int stackSize = keepStackSize();
+    }
+	:
+(
+{ before(grammarAccess.getDeclaredParameterAccess().getNameAssignment()); }
+(rule__DeclaredParameter__NameAssignment)
+{ after(grammarAccess.getDeclaredParameterAccess().getNameAssignment()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+// Entry rule entryRuleEvaluation
+entryRuleEvaluation 
+:
+{ before(grammarAccess.getEvaluationRule()); }
+	 ruleEvaluation
+{ after(grammarAccess.getEvaluationRule()); } 
+	 EOF 
+;
+
+// Rule Evaluation
+ruleEvaluation
+    @init {
+		int stackSize = keepStackSize();
+    }
+	:
+(
+{ before(grammarAccess.getEvaluationAccess().getGroup()); }
+(rule__Evaluation__Group__0)
+{ after(grammarAccess.getEvaluationAccess().getGroup()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+// Entry rule entryRuleExpression
+entryRuleExpression 
+:
+{ before(grammarAccess.getExpressionRule()); }
+	 ruleExpression
+{ after(grammarAccess.getExpressionRule()); } 
+	 EOF 
+;
+
+// Rule Expression
+ruleExpression
+    @init {
+		int stackSize = keepStackSize();
+    }
+	:
+(
+{ before(grammarAccess.getExpressionAccess().getAdditionParserRuleCall()); }
+	ruleAddition
+{ after(grammarAccess.getExpressionAccess().getAdditionParserRuleCall()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+// Entry rule entryRuleAddition
+entryRuleAddition 
+:
+{ before(grammarAccess.getAdditionRule()); }
+	 ruleAddition
+{ after(grammarAccess.getAdditionRule()); } 
+	 EOF 
+;
+
+// Rule Addition
+ruleAddition
+    @init {
+		int stackSize = keepStackSize();
+    }
+	:
+(
+{ before(grammarAccess.getAdditionAccess().getGroup()); }
+(rule__Addition__Group__0)
+{ after(grammarAccess.getAdditionAccess().getGroup()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+// Entry rule entryRuleMultiplication
+entryRuleMultiplication 
+:
+{ before(grammarAccess.getMultiplicationRule()); }
+	 ruleMultiplication
+{ after(grammarAccess.getMultiplicationRule()); } 
+	 EOF 
+;
+
+// Rule Multiplication
+ruleMultiplication
+    @init {
+		int stackSize = keepStackSize();
+    }
+	:
+(
+{ before(grammarAccess.getMultiplicationAccess().getGroup()); }
+(rule__Multiplication__Group__0)
+{ after(grammarAccess.getMultiplicationAccess().getGroup()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+// Entry rule entryRulePrimaryExpression
+entryRulePrimaryExpression 
+:
+{ before(grammarAccess.getPrimaryExpressionRule()); }
+	 rulePrimaryExpression
+{ after(grammarAccess.getPrimaryExpressionRule()); } 
+	 EOF 
+;
+
+// Rule PrimaryExpression
+rulePrimaryExpression
+    @init {
+		int stackSize = keepStackSize();
+    }
+	:
+(
+{ before(grammarAccess.getPrimaryExpressionAccess().getAlternatives()); }
+(rule__PrimaryExpression__Alternatives)
+{ after(grammarAccess.getPrimaryExpressionAccess().getAlternatives()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+rule__Statement__Alternatives
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStatementAccess().getDefinitionParserRuleCall_0()); }
+	ruleDefinition
+{ after(grammarAccess.getStatementAccess().getDefinitionParserRuleCall_0()); }
+)
+
+    |(
+{ before(grammarAccess.getStatementAccess().getEvaluationParserRuleCall_1()); }
+	ruleEvaluation
+{ after(grammarAccess.getStatementAccess().getEvaluationParserRuleCall_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Addition__Alternatives_1_0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getAdditionAccess().getGroup_1_0_0()); }
+(rule__Addition__Group_1_0_0__0)
+{ after(grammarAccess.getAdditionAccess().getGroup_1_0_0()); }
+)
+
+    |(
+{ before(grammarAccess.getAdditionAccess().getGroup_1_0_1()); }
+(rule__Addition__Group_1_0_1__0)
+{ after(grammarAccess.getAdditionAccess().getGroup_1_0_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Multiplication__Alternatives_1_0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getMultiplicationAccess().getGroup_1_0_0()); }
+(rule__Multiplication__Group_1_0_0__0)
+{ after(grammarAccess.getMultiplicationAccess().getGroup_1_0_0()); }
+)
+
+    |(
+{ before(grammarAccess.getMultiplicationAccess().getGroup_1_0_1()); }
+(rule__Multiplication__Group_1_0_1__0)
+{ after(grammarAccess.getMultiplicationAccess().getGroup_1_0_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__PrimaryExpression__Alternatives
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getPrimaryExpressionAccess().getGroup_0()); }
+(rule__PrimaryExpression__Group_0__0)
+{ after(grammarAccess.getPrimaryExpressionAccess().getGroup_0()); }
+)
+
+    |(
+{ before(grammarAccess.getPrimaryExpressionAccess().getGroup_1()); }
+(rule__PrimaryExpression__Group_1__0)
+{ after(grammarAccess.getPrimaryExpressionAccess().getGroup_1()); }
+)
+
+    |(
+{ before(grammarAccess.getPrimaryExpressionAccess().getGroup_2()); }
+(rule__PrimaryExpression__Group_2__0)
+{ after(grammarAccess.getPrimaryExpressionAccess().getGroup_2()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+rule__Module__Group__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Module__Group__0__Impl
+	rule__Module__Group__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Module__Group__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getModuleAccess().getModuleKeyword_0()); }
+
+	'module' 
+
+{ after(grammarAccess.getModuleAccess().getModuleKeyword_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Module__Group__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Module__Group__1__Impl
+	rule__Module__Group__2
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Module__Group__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getModuleAccess().getNameAssignment_1()); }
+(rule__Module__NameAssignment_1)
+{ after(grammarAccess.getModuleAccess().getNameAssignment_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Module__Group__2
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Module__Group__2__Impl
+	rule__Module__Group__3
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Module__Group__2__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getModuleAccess().getImportsAssignment_2()); }
+(rule__Module__ImportsAssignment_2)*
+{ after(grammarAccess.getModuleAccess().getImportsAssignment_2()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Module__Group__3
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Module__Group__3__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Module__Group__3__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getModuleAccess().getStatementsAssignment_3()); }
+(rule__Module__StatementsAssignment_3)*
+{ after(grammarAccess.getModuleAccess().getStatementsAssignment_3()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+
+
+
+
+rule__Import__Group__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Import__Group__0__Impl
+	rule__Import__Group__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Import__Group__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getImportAccess().getImportKeyword_0()); }
+
+	'import' 
+
+{ after(grammarAccess.getImportAccess().getImportKeyword_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Import__Group__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Import__Group__1__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Import__Group__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getImportAccess().getImportedNamespaceAssignment_1()); }
+(rule__Import__ImportedNamespaceAssignment_1)
+{ after(grammarAccess.getImportAccess().getImportedNamespaceAssignment_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+rule__ImportName__Group__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__ImportName__Group__0__Impl
+	rule__ImportName__Group__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__ImportName__Group__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getImportNameAccess().getIDTerminalRuleCall_0()); }
+	RULE_ID
+{ after(grammarAccess.getImportNameAccess().getIDTerminalRuleCall_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__ImportName__Group__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__ImportName__Group__1__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__ImportName__Group__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getImportNameAccess().getGroup_1()); }
+(rule__ImportName__Group_1__0)?
+{ after(grammarAccess.getImportNameAccess().getGroup_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+rule__ImportName__Group_1__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__ImportName__Group_1__0__Impl
+	rule__ImportName__Group_1__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__ImportName__Group_1__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getImportNameAccess().getFullStopKeyword_1_0()); }
+
+	'.' 
+
+{ after(grammarAccess.getImportNameAccess().getFullStopKeyword_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__ImportName__Group_1__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__ImportName__Group_1__1__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__ImportName__Group_1__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getImportNameAccess().getAsteriskKeyword_1_1()); }
+
+	'*' 
+
+{ after(grammarAccess.getImportNameAccess().getAsteriskKeyword_1_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+rule__Definition__Group__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Definition__Group__0__Impl
+	rule__Definition__Group__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Definition__Group__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getDefinitionAccess().getDefKeyword_0()); }
+
+	'def' 
+
+{ after(grammarAccess.getDefinitionAccess().getDefKeyword_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Definition__Group__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Definition__Group__1__Impl
+	rule__Definition__Group__2
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Definition__Group__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getDefinitionAccess().getNameAssignment_1()); }
+(rule__Definition__NameAssignment_1)
+{ after(grammarAccess.getDefinitionAccess().getNameAssignment_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Definition__Group__2
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Definition__Group__2__Impl
+	rule__Definition__Group__3
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Definition__Group__2__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getDefinitionAccess().getGroup_2()); }
+(rule__Definition__Group_2__0)?
+{ after(grammarAccess.getDefinitionAccess().getGroup_2()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Definition__Group__3
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Definition__Group__3__Impl
+	rule__Definition__Group__4
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Definition__Group__3__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getDefinitionAccess().getColonKeyword_3()); }
+
+	':' 
+
+{ after(grammarAccess.getDefinitionAccess().getColonKeyword_3()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Definition__Group__4
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Definition__Group__4__Impl
+	rule__Definition__Group__5
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Definition__Group__4__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getDefinitionAccess().getExprAssignment_4()); }
+(rule__Definition__ExprAssignment_4)
+{ after(grammarAccess.getDefinitionAccess().getExprAssignment_4()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Definition__Group__5
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Definition__Group__5__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Definition__Group__5__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getDefinitionAccess().getSemicolonKeyword_5()); }
+
+	';' 
+
+{ after(grammarAccess.getDefinitionAccess().getSemicolonKeyword_5()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+rule__Definition__Group_2__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Definition__Group_2__0__Impl
+	rule__Definition__Group_2__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Definition__Group_2__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getDefinitionAccess().getLeftParenthesisKeyword_2_0()); }
+
+	'(' 
+
+{ after(grammarAccess.getDefinitionAccess().getLeftParenthesisKeyword_2_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Definition__Group_2__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Definition__Group_2__1__Impl
+	rule__Definition__Group_2__2
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Definition__Group_2__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getDefinitionAccess().getArgsAssignment_2_1()); }
+(rule__Definition__ArgsAssignment_2_1)
+{ after(grammarAccess.getDefinitionAccess().getArgsAssignment_2_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Definition__Group_2__2
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Definition__Group_2__2__Impl
+	rule__Definition__Group_2__3
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Definition__Group_2__2__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getDefinitionAccess().getGroup_2_2()); }
+(rule__Definition__Group_2_2__0)*
+{ after(grammarAccess.getDefinitionAccess().getGroup_2_2()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Definition__Group_2__3
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Definition__Group_2__3__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Definition__Group_2__3__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getDefinitionAccess().getRightParenthesisKeyword_2_3()); }
+
+	')' 
+
+{ after(grammarAccess.getDefinitionAccess().getRightParenthesisKeyword_2_3()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+
+
+
+
+rule__Definition__Group_2_2__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Definition__Group_2_2__0__Impl
+	rule__Definition__Group_2_2__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Definition__Group_2_2__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getDefinitionAccess().getCommaKeyword_2_2_0()); }
+
+	',' 
+
+{ after(grammarAccess.getDefinitionAccess().getCommaKeyword_2_2_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Definition__Group_2_2__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Definition__Group_2_2__1__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Definition__Group_2_2__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getDefinitionAccess().getArgsAssignment_2_2_1()); }
+(rule__Definition__ArgsAssignment_2_2_1)
+{ after(grammarAccess.getDefinitionAccess().getArgsAssignment_2_2_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+rule__Evaluation__Group__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Evaluation__Group__0__Impl
+	rule__Evaluation__Group__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Evaluation__Group__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getEvaluationAccess().getExpressionAssignment_0()); }
+(rule__Evaluation__ExpressionAssignment_0)
+{ after(grammarAccess.getEvaluationAccess().getExpressionAssignment_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Evaluation__Group__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Evaluation__Group__1__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Evaluation__Group__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getEvaluationAccess().getSemicolonKeyword_1()); }
+
+	';' 
+
+{ after(grammarAccess.getEvaluationAccess().getSemicolonKeyword_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+rule__Addition__Group__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Addition__Group__0__Impl
+	rule__Addition__Group__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Addition__Group__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getAdditionAccess().getMultiplicationParserRuleCall_0()); }
+	ruleMultiplication
+{ after(grammarAccess.getAdditionAccess().getMultiplicationParserRuleCall_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Addition__Group__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Addition__Group__1__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Addition__Group__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getAdditionAccess().getGroup_1()); }
+(rule__Addition__Group_1__0)*
+{ after(grammarAccess.getAdditionAccess().getGroup_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+rule__Addition__Group_1__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Addition__Group_1__0__Impl
+	rule__Addition__Group_1__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Addition__Group_1__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getAdditionAccess().getAlternatives_1_0()); }
+(rule__Addition__Alternatives_1_0)
+{ after(grammarAccess.getAdditionAccess().getAlternatives_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Addition__Group_1__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Addition__Group_1__1__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Addition__Group_1__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getAdditionAccess().getRightAssignment_1_1()); }
+(rule__Addition__RightAssignment_1_1)
+{ after(grammarAccess.getAdditionAccess().getRightAssignment_1_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+rule__Addition__Group_1_0_0__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Addition__Group_1_0_0__0__Impl
+	rule__Addition__Group_1_0_0__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Addition__Group_1_0_0__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getAdditionAccess().getPlusLeftAction_1_0_0_0()); }
+(
+
+)
+{ after(grammarAccess.getAdditionAccess().getPlusLeftAction_1_0_0_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Addition__Group_1_0_0__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Addition__Group_1_0_0__1__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Addition__Group_1_0_0__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getAdditionAccess().getPlusSignKeyword_1_0_0_1()); }
+
+	'+' 
+
+{ after(grammarAccess.getAdditionAccess().getPlusSignKeyword_1_0_0_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+rule__Addition__Group_1_0_1__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Addition__Group_1_0_1__0__Impl
+	rule__Addition__Group_1_0_1__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Addition__Group_1_0_1__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getAdditionAccess().getMinusLeftAction_1_0_1_0()); }
+(
+
+)
+{ after(grammarAccess.getAdditionAccess().getMinusLeftAction_1_0_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Addition__Group_1_0_1__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Addition__Group_1_0_1__1__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Addition__Group_1_0_1__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getAdditionAccess().getHyphenMinusKeyword_1_0_1_1()); }
+
+	'-' 
+
+{ after(grammarAccess.getAdditionAccess().getHyphenMinusKeyword_1_0_1_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+rule__Multiplication__Group__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Multiplication__Group__0__Impl
+	rule__Multiplication__Group__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Multiplication__Group__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getMultiplicationAccess().getPrimaryExpressionParserRuleCall_0()); }
+	rulePrimaryExpression
+{ after(grammarAccess.getMultiplicationAccess().getPrimaryExpressionParserRuleCall_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Multiplication__Group__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Multiplication__Group__1__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Multiplication__Group__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getMultiplicationAccess().getGroup_1()); }
+(rule__Multiplication__Group_1__0)*
+{ after(grammarAccess.getMultiplicationAccess().getGroup_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+rule__Multiplication__Group_1__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Multiplication__Group_1__0__Impl
+	rule__Multiplication__Group_1__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Multiplication__Group_1__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getMultiplicationAccess().getAlternatives_1_0()); }
+(rule__Multiplication__Alternatives_1_0)
+{ after(grammarAccess.getMultiplicationAccess().getAlternatives_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Multiplication__Group_1__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Multiplication__Group_1__1__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Multiplication__Group_1__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getMultiplicationAccess().getRightAssignment_1_1()); }
+(rule__Multiplication__RightAssignment_1_1)
+{ after(grammarAccess.getMultiplicationAccess().getRightAssignment_1_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+rule__Multiplication__Group_1_0_0__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Multiplication__Group_1_0_0__0__Impl
+	rule__Multiplication__Group_1_0_0__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Multiplication__Group_1_0_0__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getMultiplicationAccess().getMultiLeftAction_1_0_0_0()); }
+(
+
+)
+{ after(grammarAccess.getMultiplicationAccess().getMultiLeftAction_1_0_0_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Multiplication__Group_1_0_0__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Multiplication__Group_1_0_0__1__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Multiplication__Group_1_0_0__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getMultiplicationAccess().getAsteriskKeyword_1_0_0_1()); }
+
+	'*' 
+
+{ after(grammarAccess.getMultiplicationAccess().getAsteriskKeyword_1_0_0_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+rule__Multiplication__Group_1_0_1__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Multiplication__Group_1_0_1__0__Impl
+	rule__Multiplication__Group_1_0_1__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Multiplication__Group_1_0_1__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getMultiplicationAccess().getDivLeftAction_1_0_1_0()); }
+(
+
+)
+{ after(grammarAccess.getMultiplicationAccess().getDivLeftAction_1_0_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Multiplication__Group_1_0_1__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Multiplication__Group_1_0_1__1__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Multiplication__Group_1_0_1__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getMultiplicationAccess().getSolidusKeyword_1_0_1_1()); }
+
+	'/' 
+
+{ after(grammarAccess.getMultiplicationAccess().getSolidusKeyword_1_0_1_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+rule__PrimaryExpression__Group_0__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__PrimaryExpression__Group_0__0__Impl
+	rule__PrimaryExpression__Group_0__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__PrimaryExpression__Group_0__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getPrimaryExpressionAccess().getLeftParenthesisKeyword_0_0()); }
+
+	'(' 
+
+{ after(grammarAccess.getPrimaryExpressionAccess().getLeftParenthesisKeyword_0_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__PrimaryExpression__Group_0__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__PrimaryExpression__Group_0__1__Impl
+	rule__PrimaryExpression__Group_0__2
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__PrimaryExpression__Group_0__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getPrimaryExpressionAccess().getExpressionParserRuleCall_0_1()); }
+	ruleExpression
+{ after(grammarAccess.getPrimaryExpressionAccess().getExpressionParserRuleCall_0_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__PrimaryExpression__Group_0__2
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__PrimaryExpression__Group_0__2__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__PrimaryExpression__Group_0__2__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getPrimaryExpressionAccess().getRightParenthesisKeyword_0_2()); }
+
+	')' 
+
+{ after(grammarAccess.getPrimaryExpressionAccess().getRightParenthesisKeyword_0_2()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+
+
+rule__PrimaryExpression__Group_1__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__PrimaryExpression__Group_1__0__Impl
+	rule__PrimaryExpression__Group_1__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__PrimaryExpression__Group_1__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getPrimaryExpressionAccess().getNumberLiteralAction_1_0()); }
+(
+
+)
+{ after(grammarAccess.getPrimaryExpressionAccess().getNumberLiteralAction_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__PrimaryExpression__Group_1__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__PrimaryExpression__Group_1__1__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__PrimaryExpression__Group_1__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getPrimaryExpressionAccess().getValueAssignment_1_1()); }
+(rule__PrimaryExpression__ValueAssignment_1_1)
+{ after(grammarAccess.getPrimaryExpressionAccess().getValueAssignment_1_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+rule__PrimaryExpression__Group_2__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__PrimaryExpression__Group_2__0__Impl
+	rule__PrimaryExpression__Group_2__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__PrimaryExpression__Group_2__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getPrimaryExpressionAccess().getFunctionCallAction_2_0()); }
+(
+
+)
+{ after(grammarAccess.getPrimaryExpressionAccess().getFunctionCallAction_2_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__PrimaryExpression__Group_2__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__PrimaryExpression__Group_2__1__Impl
+	rule__PrimaryExpression__Group_2__2
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__PrimaryExpression__Group_2__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getPrimaryExpressionAccess().getFuncAssignment_2_1()); }
+(rule__PrimaryExpression__FuncAssignment_2_1)
+{ after(grammarAccess.getPrimaryExpressionAccess().getFuncAssignment_2_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__PrimaryExpression__Group_2__2
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__PrimaryExpression__Group_2__2__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__PrimaryExpression__Group_2__2__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getPrimaryExpressionAccess().getGroup_2_2()); }
+(rule__PrimaryExpression__Group_2_2__0)?
+{ after(grammarAccess.getPrimaryExpressionAccess().getGroup_2_2()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+
+
+rule__PrimaryExpression__Group_2_2__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__PrimaryExpression__Group_2_2__0__Impl
+	rule__PrimaryExpression__Group_2_2__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__PrimaryExpression__Group_2_2__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getPrimaryExpressionAccess().getLeftParenthesisKeyword_2_2_0()); }
+
+	'(' 
+
+{ after(grammarAccess.getPrimaryExpressionAccess().getLeftParenthesisKeyword_2_2_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__PrimaryExpression__Group_2_2__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__PrimaryExpression__Group_2_2__1__Impl
+	rule__PrimaryExpression__Group_2_2__2
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__PrimaryExpression__Group_2_2__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getPrimaryExpressionAccess().getArgsAssignment_2_2_1()); }
+(rule__PrimaryExpression__ArgsAssignment_2_2_1)
+{ after(grammarAccess.getPrimaryExpressionAccess().getArgsAssignment_2_2_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__PrimaryExpression__Group_2_2__2
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__PrimaryExpression__Group_2_2__2__Impl
+	rule__PrimaryExpression__Group_2_2__3
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__PrimaryExpression__Group_2_2__2__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getPrimaryExpressionAccess().getGroup_2_2_2()); }
+(rule__PrimaryExpression__Group_2_2_2__0)*
+{ after(grammarAccess.getPrimaryExpressionAccess().getGroup_2_2_2()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__PrimaryExpression__Group_2_2__3
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__PrimaryExpression__Group_2_2__3__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__PrimaryExpression__Group_2_2__3__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getPrimaryExpressionAccess().getRightParenthesisKeyword_2_2_3()); }
+
+	')' 
+
+{ after(grammarAccess.getPrimaryExpressionAccess().getRightParenthesisKeyword_2_2_3()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+
+
+
+
+rule__PrimaryExpression__Group_2_2_2__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__PrimaryExpression__Group_2_2_2__0__Impl
+	rule__PrimaryExpression__Group_2_2_2__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__PrimaryExpression__Group_2_2_2__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getPrimaryExpressionAccess().getCommaKeyword_2_2_2_0()); }
+
+	',' 
+
+{ after(grammarAccess.getPrimaryExpressionAccess().getCommaKeyword_2_2_2_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__PrimaryExpression__Group_2_2_2__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__PrimaryExpression__Group_2_2_2__1__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__PrimaryExpression__Group_2_2_2__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getPrimaryExpressionAccess().getArgsAssignment_2_2_2_1()); }
+(rule__PrimaryExpression__ArgsAssignment_2_2_2_1)
+{ after(grammarAccess.getPrimaryExpressionAccess().getArgsAssignment_2_2_2_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+
+rule__Module__NameAssignment_1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getModuleAccess().getNameIDTerminalRuleCall_1_0()); }
+	RULE_ID{ after(grammarAccess.getModuleAccess().getNameIDTerminalRuleCall_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Module__ImportsAssignment_2
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getModuleAccess().getImportsImportParserRuleCall_2_0()); }
+	ruleImport{ after(grammarAccess.getModuleAccess().getImportsImportParserRuleCall_2_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Module__StatementsAssignment_3
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getModuleAccess().getStatementsStatementParserRuleCall_3_0()); }
+	ruleStatement{ after(grammarAccess.getModuleAccess().getStatementsStatementParserRuleCall_3_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Import__ImportedNamespaceAssignment_1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getImportAccess().getImportedNamespaceImportNameParserRuleCall_1_0()); }
+	ruleImportName{ after(grammarAccess.getImportAccess().getImportedNamespaceImportNameParserRuleCall_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Definition__NameAssignment_1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getDefinitionAccess().getNameIDTerminalRuleCall_1_0()); }
+	RULE_ID{ after(grammarAccess.getDefinitionAccess().getNameIDTerminalRuleCall_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Definition__ArgsAssignment_2_1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getDefinitionAccess().getArgsDeclaredParameterParserRuleCall_2_1_0()); }
+	ruleDeclaredParameter{ after(grammarAccess.getDefinitionAccess().getArgsDeclaredParameterParserRuleCall_2_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Definition__ArgsAssignment_2_2_1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getDefinitionAccess().getArgsDeclaredParameterParserRuleCall_2_2_1_0()); }
+	ruleDeclaredParameter{ after(grammarAccess.getDefinitionAccess().getArgsDeclaredParameterParserRuleCall_2_2_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Definition__ExprAssignment_4
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getDefinitionAccess().getExprExpressionParserRuleCall_4_0()); }
+	ruleExpression{ after(grammarAccess.getDefinitionAccess().getExprExpressionParserRuleCall_4_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__DeclaredParameter__NameAssignment
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getDeclaredParameterAccess().getNameIDTerminalRuleCall_0()); }
+	RULE_ID{ after(grammarAccess.getDeclaredParameterAccess().getNameIDTerminalRuleCall_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Evaluation__ExpressionAssignment_0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getEvaluationAccess().getExpressionExpressionParserRuleCall_0_0()); }
+	ruleExpression{ after(grammarAccess.getEvaluationAccess().getExpressionExpressionParserRuleCall_0_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Addition__RightAssignment_1_1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getAdditionAccess().getRightMultiplicationParserRuleCall_1_1_0()); }
+	ruleMultiplication{ after(grammarAccess.getAdditionAccess().getRightMultiplicationParserRuleCall_1_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Multiplication__RightAssignment_1_1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getMultiplicationAccess().getRightPrimaryExpressionParserRuleCall_1_1_0()); }
+	rulePrimaryExpression{ after(grammarAccess.getMultiplicationAccess().getRightPrimaryExpressionParserRuleCall_1_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__PrimaryExpression__ValueAssignment_1_1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getPrimaryExpressionAccess().getValueNUMBERTerminalRuleCall_1_1_0()); }
+	RULE_NUMBER{ after(grammarAccess.getPrimaryExpressionAccess().getValueNUMBERTerminalRuleCall_1_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__PrimaryExpression__FuncAssignment_2_1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getPrimaryExpressionAccess().getFuncAbstractDefinitionCrossReference_2_1_0()); }
+(
+{ before(grammarAccess.getPrimaryExpressionAccess().getFuncAbstractDefinitionIDTerminalRuleCall_2_1_0_1()); }
+	RULE_ID{ after(grammarAccess.getPrimaryExpressionAccess().getFuncAbstractDefinitionIDTerminalRuleCall_2_1_0_1()); }
+)
+{ after(grammarAccess.getPrimaryExpressionAccess().getFuncAbstractDefinitionCrossReference_2_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__PrimaryExpression__ArgsAssignment_2_2_1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getPrimaryExpressionAccess().getArgsExpressionParserRuleCall_2_2_1_0()); }
+	ruleExpression{ after(grammarAccess.getPrimaryExpressionAccess().getArgsExpressionParserRuleCall_2_2_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__PrimaryExpression__ArgsAssignment_2_2_2_1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getPrimaryExpressionAccess().getArgsExpressionParserRuleCall_2_2_2_1_0()); }
+	ruleExpression{ after(grammarAccess.getPrimaryExpressionAccess().getArgsExpressionParserRuleCall_2_2_2_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+RULE_NUMBER : ('0'..'9')* ('.' ('0'..'9')+)?;
+
+RULE_INT : 'this one has been deactivated';
+
+RULE_ID : '^'? ('a'..'z'|'A'..'Z'|'_') ('a'..'z'|'A'..'Z'|'_'|'0'..'9')*;
+
+RULE_STRING : ('"' ('\\' ('b'|'t'|'n'|'f'|'r'|'u'|'"'|'\''|'\\')|~(('\\'|'"')))* '"'|'\'' ('\\' ('b'|'t'|'n'|'f'|'r'|'u'|'"'|'\''|'\\')|~(('\\'|'\'')))* '\'');
+
+RULE_ML_COMMENT : '/*' ( options {greedy=false;} : . )*'*/';
+
+RULE_SL_COMMENT : '//' ~(('\n'|'\r'))* ('\r'? '\n')?;
+
+RULE_WS : (' '|'\t'|'\r'|'\n')+;
+
+RULE_ANY_OTHER : .;
+
+
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.tokens b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.tokens
new file mode 100644
index 0000000..616c962
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.tokens
@@ -0,0 +1,34 @@
+RULE_ID=4
+T__24=24
+T__23=23
+T__22=22
+RULE_ANY_OTHER=11
+T__21=21
+T__20=20
+RULE_SL_COMMENT=9
+RULE_ML_COMMENT=8
+T__19=19
+RULE_STRING=7
+T__16=16
+T__15=15
+T__18=18
+T__17=17
+T__12=12
+RULE_NUMBER=5
+T__14=14
+T__13=13
+RULE_INT=6
+RULE_WS=10
+'/'=24
+'def'=16
+'module'=12
+';'=18
+':'=17
+'('=19
+'*'=15
+'-'=23
+'+'=22
+','=21
+'.'=14
+')'=20
+'import'=13
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmeticsLexer.java b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmeticsLexer.java
new file mode 100644
index 0000000..4438d87
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmeticsLexer.java
@@ -0,0 +1,1252 @@
+package org.eclipse.xtext.example.arithmetics.ui.contentassist.antlr.internal;
+
+// Hack: Use our own Lexer superclass by means of import. 
+// Currently there is no other way to specify the superclass for the lexer.
+import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.Lexer;
+
+
+import org.antlr.runtime.*;
+import java.util.Stack;
+import java.util.List;
+import java.util.ArrayList;
+
+@SuppressWarnings("all")
+public class InternalArithmeticsLexer extends Lexer {
+    public static final int RULE_ID=4;
+    public static final int T__24=24;
+    public static final int T__23=23;
+    public static final int T__22=22;
+    public static final int RULE_ANY_OTHER=11;
+    public static final int T__21=21;
+    public static final int T__20=20;
+    public static final int EOF=-1;
+    public static final int RULE_SL_COMMENT=9;
+    public static final int RULE_ML_COMMENT=8;
+    public static final int T__19=19;
+    public static final int RULE_STRING=7;
+    public static final int T__16=16;
+    public static final int T__15=15;
+    public static final int T__18=18;
+    public static final int T__17=17;
+    public static final int RULE_NUMBER=5;
+    public static final int T__12=12;
+    public static final int T__14=14;
+    public static final int T__13=13;
+    public static final int RULE_INT=6;
+    public static final int RULE_WS=10;
+
+    // delegates
+    // delegators
+
+    public InternalArithmeticsLexer() {;} 
+    public InternalArithmeticsLexer(CharStream input) {
+        this(input, new RecognizerSharedState());
+    }
+    public InternalArithmeticsLexer(CharStream input, RecognizerSharedState state) {
+        super(input,state);
+
+    }
+    public String getGrammarFileName() { return "../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g"; }
+
+    // $ANTLR start "T__12"
+    public final void mT__12() throws RecognitionException {
+        try {
+            int _type = T__12;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:11:7: ( 'module' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:11:9: 'module'
+            {
+            match("module"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__12"
+
+    // $ANTLR start "T__13"
+    public final void mT__13() throws RecognitionException {
+        try {
+            int _type = T__13;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:12:7: ( 'import' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:12:9: 'import'
+            {
+            match("import"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__13"
+
+    // $ANTLR start "T__14"
+    public final void mT__14() throws RecognitionException {
+        try {
+            int _type = T__14;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:13:7: ( '.' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:13:9: '.'
+            {
+            match('.'); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__14"
+
+    // $ANTLR start "T__15"
+    public final void mT__15() throws RecognitionException {
+        try {
+            int _type = T__15;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:14:7: ( '*' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:14:9: '*'
+            {
+            match('*'); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__15"
+
+    // $ANTLR start "T__16"
+    public final void mT__16() throws RecognitionException {
+        try {
+            int _type = T__16;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:15:7: ( 'def' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:15:9: 'def'
+            {
+            match("def"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__16"
+
+    // $ANTLR start "T__17"
+    public final void mT__17() throws RecognitionException {
+        try {
+            int _type = T__17;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:16:7: ( ':' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:16:9: ':'
+            {
+            match(':'); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__17"
+
+    // $ANTLR start "T__18"
+    public final void mT__18() throws RecognitionException {
+        try {
+            int _type = T__18;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:17:7: ( ';' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:17:9: ';'
+            {
+            match(';'); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__18"
+
+    // $ANTLR start "T__19"
+    public final void mT__19() throws RecognitionException {
+        try {
+            int _type = T__19;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:18:7: ( '(' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:18:9: '('
+            {
+            match('('); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__19"
+
+    // $ANTLR start "T__20"
+    public final void mT__20() throws RecognitionException {
+        try {
+            int _type = T__20;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:19:7: ( ')' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:19:9: ')'
+            {
+            match(')'); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__20"
+
+    // $ANTLR start "T__21"
+    public final void mT__21() throws RecognitionException {
+        try {
+            int _type = T__21;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:20:7: ( ',' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:20:9: ','
+            {
+            match(','); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__21"
+
+    // $ANTLR start "T__22"
+    public final void mT__22() throws RecognitionException {
+        try {
+            int _type = T__22;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:21:7: ( '+' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:21:9: '+'
+            {
+            match('+'); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__22"
+
+    // $ANTLR start "T__23"
+    public final void mT__23() throws RecognitionException {
+        try {
+            int _type = T__23;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:22:7: ( '-' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:22:9: '-'
+            {
+            match('-'); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__23"
+
+    // $ANTLR start "T__24"
+    public final void mT__24() throws RecognitionException {
+        try {
+            int _type = T__24;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:23:7: ( '/' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:23:9: '/'
+            {
+            match('/'); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__24"
+
+    // $ANTLR start "RULE_NUMBER"
+    public final void mRULE_NUMBER() throws RecognitionException {
+        try {
+            int _type = RULE_NUMBER;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2418:13: ( ( '0' .. '9' )* ( '.' ( '0' .. '9' )+ )? )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2418:15: ( '0' .. '9' )* ( '.' ( '0' .. '9' )+ )?
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2418:15: ( '0' .. '9' )*
+            loop1:
+            do {
+                int alt1=2;
+                int LA1_0 = input.LA(1);
+
+                if ( ((LA1_0>='0' && LA1_0<='9')) ) {
+                    alt1=1;
+                }
+
+
+                switch (alt1) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2418:16: '0' .. '9'
+            	    {
+            	    matchRange('0','9'); 
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop1;
+                }
+            } while (true);
+
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2418:27: ( '.' ( '0' .. '9' )+ )?
+            int alt3=2;
+            int LA3_0 = input.LA(1);
+
+            if ( (LA3_0=='.') ) {
+                alt3=1;
+            }
+            switch (alt3) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2418:28: '.' ( '0' .. '9' )+
+                    {
+                    match('.'); 
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2418:32: ( '0' .. '9' )+
+                    int cnt2=0;
+                    loop2:
+                    do {
+                        int alt2=2;
+                        int LA2_0 = input.LA(1);
+
+                        if ( ((LA2_0>='0' && LA2_0<='9')) ) {
+                            alt2=1;
+                        }
+
+
+                        switch (alt2) {
+                    	case 1 :
+                    	    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2418:33: '0' .. '9'
+                    	    {
+                    	    matchRange('0','9'); 
+
+                    	    }
+                    	    break;
+
+                    	default :
+                    	    if ( cnt2 >= 1 ) break loop2;
+                                EarlyExitException eee =
+                                    new EarlyExitException(2, input);
+                                throw eee;
+                        }
+                        cnt2++;
+                    } while (true);
+
+
+                    }
+                    break;
+
+            }
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_NUMBER"
+
+    // $ANTLR start "RULE_INT"
+    public final void mRULE_INT() throws RecognitionException {
+        try {
+            int _type = RULE_INT;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2420:10: ( 'this one has been deactivated' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2420:12: 'this one has been deactivated'
+            {
+            match("this one has been deactivated"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_INT"
+
+    // $ANTLR start "RULE_ID"
+    public final void mRULE_ID() throws RecognitionException {
+        try {
+            int _type = RULE_ID;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2422:9: ( ( '^' )? ( 'a' .. 'z' | 'A' .. 'Z' | '_' ) ( 'a' .. 'z' | 'A' .. 'Z' | '_' | '0' .. '9' )* )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2422:11: ( '^' )? ( 'a' .. 'z' | 'A' .. 'Z' | '_' ) ( 'a' .. 'z' | 'A' .. 'Z' | '_' | '0' .. '9' )*
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2422:11: ( '^' )?
+            int alt4=2;
+            int LA4_0 = input.LA(1);
+
+            if ( (LA4_0=='^') ) {
+                alt4=1;
+            }
+            switch (alt4) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2422:11: '^'
+                    {
+                    match('^'); 
+
+                    }
+                    break;
+
+            }
+
+            if ( (input.LA(1)>='A' && input.LA(1)<='Z')||input.LA(1)=='_'||(input.LA(1)>='a' && input.LA(1)<='z') ) {
+                input.consume();
+
+            }
+            else {
+                MismatchedSetException mse = new MismatchedSetException(null,input);
+                recover(mse);
+                throw mse;}
+
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2422:40: ( 'a' .. 'z' | 'A' .. 'Z' | '_' | '0' .. '9' )*
+            loop5:
+            do {
+                int alt5=2;
+                int LA5_0 = input.LA(1);
+
+                if ( ((LA5_0>='0' && LA5_0<='9')||(LA5_0>='A' && LA5_0<='Z')||LA5_0=='_'||(LA5_0>='a' && LA5_0<='z')) ) {
+                    alt5=1;
+                }
+
+
+                switch (alt5) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:
+            	    {
+            	    if ( (input.LA(1)>='0' && input.LA(1)<='9')||(input.LA(1)>='A' && input.LA(1)<='Z')||input.LA(1)=='_'||(input.LA(1)>='a' && input.LA(1)<='z') ) {
+            	        input.consume();
+
+            	    }
+            	    else {
+            	        MismatchedSetException mse = new MismatchedSetException(null,input);
+            	        recover(mse);
+            	        throw mse;}
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop5;
+                }
+            } while (true);
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_ID"
+
+    // $ANTLR start "RULE_STRING"
+    public final void mRULE_STRING() throws RecognitionException {
+        try {
+            int _type = RULE_STRING;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2424:13: ( ( '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"' | '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\'' ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2424:15: ( '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"' | '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\'' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2424:15: ( '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"' | '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\'' )
+            int alt8=2;
+            int LA8_0 = input.LA(1);
+
+            if ( (LA8_0=='\"') ) {
+                alt8=1;
+            }
+            else if ( (LA8_0=='\'') ) {
+                alt8=2;
+            }
+            else {
+                NoViableAltException nvae =
+                    new NoViableAltException("", 8, 0, input);
+
+                throw nvae;
+            }
+            switch (alt8) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2424:16: '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"'
+                    {
+                    match('\"'); 
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2424:20: ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )*
+                    loop6:
+                    do {
+                        int alt6=3;
+                        int LA6_0 = input.LA(1);
+
+                        if ( (LA6_0=='\\') ) {
+                            alt6=1;
+                        }
+                        else if ( ((LA6_0>='\u0000' && LA6_0<='!')||(LA6_0>='#' && LA6_0<='[')||(LA6_0>=']' && LA6_0<='\uFFFF')) ) {
+                            alt6=2;
+                        }
+
+
+                        switch (alt6) {
+                    	case 1 :
+                    	    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2424:21: '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' )
+                    	    {
+                    	    match('\\'); 
+                    	    if ( input.LA(1)=='\"'||input.LA(1)=='\''||input.LA(1)=='\\'||input.LA(1)=='b'||input.LA(1)=='f'||input.LA(1)=='n'||input.LA(1)=='r'||(input.LA(1)>='t' && input.LA(1)<='u') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+                    	case 2 :
+                    	    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2424:66: ~ ( ( '\\\\' | '\"' ) )
+                    	    {
+                    	    if ( (input.LA(1)>='\u0000' && input.LA(1)<='!')||(input.LA(1)>='#' && input.LA(1)<='[')||(input.LA(1)>=']' && input.LA(1)<='\uFFFF') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+
+                    	default :
+                    	    break loop6;
+                        }
+                    } while (true);
+
+                    match('\"'); 
+
+                    }
+                    break;
+                case 2 :
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2424:86: '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\''
+                    {
+                    match('\''); 
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2424:91: ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )*
+                    loop7:
+                    do {
+                        int alt7=3;
+                        int LA7_0 = input.LA(1);
+
+                        if ( (LA7_0=='\\') ) {
+                            alt7=1;
+                        }
+                        else if ( ((LA7_0>='\u0000' && LA7_0<='&')||(LA7_0>='(' && LA7_0<='[')||(LA7_0>=']' && LA7_0<='\uFFFF')) ) {
+                            alt7=2;
+                        }
+
+
+                        switch (alt7) {
+                    	case 1 :
+                    	    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2424:92: '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' )
+                    	    {
+                    	    match('\\'); 
+                    	    if ( input.LA(1)=='\"'||input.LA(1)=='\''||input.LA(1)=='\\'||input.LA(1)=='b'||input.LA(1)=='f'||input.LA(1)=='n'||input.LA(1)=='r'||(input.LA(1)>='t' && input.LA(1)<='u') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+                    	case 2 :
+                    	    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2424:137: ~ ( ( '\\\\' | '\\'' ) )
+                    	    {
+                    	    if ( (input.LA(1)>='\u0000' && input.LA(1)<='&')||(input.LA(1)>='(' && input.LA(1)<='[')||(input.LA(1)>=']' && input.LA(1)<='\uFFFF') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+
+                    	default :
+                    	    break loop7;
+                        }
+                    } while (true);
+
+                    match('\''); 
+
+                    }
+                    break;
+
+            }
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_STRING"
+
+    // $ANTLR start "RULE_ML_COMMENT"
+    public final void mRULE_ML_COMMENT() throws RecognitionException {
+        try {
+            int _type = RULE_ML_COMMENT;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2426:17: ( '/*' ( options {greedy=false; } : . )* '*/' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2426:19: '/*' ( options {greedy=false; } : . )* '*/'
+            {
+            match("/*"); 
+
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2426:24: ( options {greedy=false; } : . )*
+            loop9:
+            do {
+                int alt9=2;
+                int LA9_0 = input.LA(1);
+
+                if ( (LA9_0=='*') ) {
+                    int LA9_1 = input.LA(2);
+
+                    if ( (LA9_1=='/') ) {
+                        alt9=2;
+                    }
+                    else if ( ((LA9_1>='\u0000' && LA9_1<='.')||(LA9_1>='0' && LA9_1<='\uFFFF')) ) {
+                        alt9=1;
+                    }
+
+
+                }
+                else if ( ((LA9_0>='\u0000' && LA9_0<=')')||(LA9_0>='+' && LA9_0<='\uFFFF')) ) {
+                    alt9=1;
+                }
+
+
+                switch (alt9) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2426:52: .
+            	    {
+            	    matchAny(); 
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop9;
+                }
+            } while (true);
+
+            match("*/"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_ML_COMMENT"
+
+    // $ANTLR start "RULE_SL_COMMENT"
+    public final void mRULE_SL_COMMENT() throws RecognitionException {
+        try {
+            int _type = RULE_SL_COMMENT;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2428:17: ( '//' (~ ( ( '\\n' | '\\r' ) ) )* ( ( '\\r' )? '\\n' )? )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2428:19: '//' (~ ( ( '\\n' | '\\r' ) ) )* ( ( '\\r' )? '\\n' )?
+            {
+            match("//"); 
+
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2428:24: (~ ( ( '\\n' | '\\r' ) ) )*
+            loop10:
+            do {
+                int alt10=2;
+                int LA10_0 = input.LA(1);
+
+                if ( ((LA10_0>='\u0000' && LA10_0<='\t')||(LA10_0>='\u000B' && LA10_0<='\f')||(LA10_0>='\u000E' && LA10_0<='\uFFFF')) ) {
+                    alt10=1;
+                }
+
+
+                switch (alt10) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2428:24: ~ ( ( '\\n' | '\\r' ) )
+            	    {
+            	    if ( (input.LA(1)>='\u0000' && input.LA(1)<='\t')||(input.LA(1)>='\u000B' && input.LA(1)<='\f')||(input.LA(1)>='\u000E' && input.LA(1)<='\uFFFF') ) {
+            	        input.consume();
+
+            	    }
+            	    else {
+            	        MismatchedSetException mse = new MismatchedSetException(null,input);
+            	        recover(mse);
+            	        throw mse;}
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop10;
+                }
+            } while (true);
+
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2428:40: ( ( '\\r' )? '\\n' )?
+            int alt12=2;
+            int LA12_0 = input.LA(1);
+
+            if ( (LA12_0=='\n'||LA12_0=='\r') ) {
+                alt12=1;
+            }
+            switch (alt12) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2428:41: ( '\\r' )? '\\n'
+                    {
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2428:41: ( '\\r' )?
+                    int alt11=2;
+                    int LA11_0 = input.LA(1);
+
+                    if ( (LA11_0=='\r') ) {
+                        alt11=1;
+                    }
+                    switch (alt11) {
+                        case 1 :
+                            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2428:41: '\\r'
+                            {
+                            match('\r'); 
+
+                            }
+                            break;
+
+                    }
+
+                    match('\n'); 
+
+                    }
+                    break;
+
+            }
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_SL_COMMENT"
+
+    // $ANTLR start "RULE_WS"
+    public final void mRULE_WS() throws RecognitionException {
+        try {
+            int _type = RULE_WS;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2430:9: ( ( ' ' | '\\t' | '\\r' | '\\n' )+ )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2430:11: ( ' ' | '\\t' | '\\r' | '\\n' )+
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2430:11: ( ' ' | '\\t' | '\\r' | '\\n' )+
+            int cnt13=0;
+            loop13:
+            do {
+                int alt13=2;
+                int LA13_0 = input.LA(1);
+
+                if ( ((LA13_0>='\t' && LA13_0<='\n')||LA13_0=='\r'||LA13_0==' ') ) {
+                    alt13=1;
+                }
+
+
+                switch (alt13) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:
+            	    {
+            	    if ( (input.LA(1)>='\t' && input.LA(1)<='\n')||input.LA(1)=='\r'||input.LA(1)==' ' ) {
+            	        input.consume();
+
+            	    }
+            	    else {
+            	        MismatchedSetException mse = new MismatchedSetException(null,input);
+            	        recover(mse);
+            	        throw mse;}
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    if ( cnt13 >= 1 ) break loop13;
+                        EarlyExitException eee =
+                            new EarlyExitException(13, input);
+                        throw eee;
+                }
+                cnt13++;
+            } while (true);
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_WS"
+
+    // $ANTLR start "RULE_ANY_OTHER"
+    public final void mRULE_ANY_OTHER() throws RecognitionException {
+        try {
+            int _type = RULE_ANY_OTHER;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2432:16: ( . )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2432:18: .
+            {
+            matchAny(); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_ANY_OTHER"
+
+    public void mTokens() throws RecognitionException {
+        // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1:8: ( T__12 | T__13 | T__14 | T__15 | T__16 | T__17 | T__18 | T__19 | T__20 | T__21 | T__22 | T__23 | T__24 | RULE_NUMBER | RULE_INT | RULE_ID | RULE_STRING | RULE_ML_COMMENT | RULE_SL_COMMENT | RULE_WS | RULE_ANY_OTHER )
+        int alt14=21;
+        alt14 = dfa14.predict(input);
+        switch (alt14) {
+            case 1 :
+                // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1:10: T__12
+                {
+                mT__12(); 
+
+                }
+                break;
+            case 2 :
+                // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1:16: T__13
+                {
+                mT__13(); 
+
+                }
+                break;
+            case 3 :
+                // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1:22: T__14
+                {
+                mT__14(); 
+
+                }
+                break;
+            case 4 :
+                // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1:28: T__15
+                {
+                mT__15(); 
+
+                }
+                break;
+            case 5 :
+                // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1:34: T__16
+                {
+                mT__16(); 
+
+                }
+                break;
+            case 6 :
+                // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1:40: T__17
+                {
+                mT__17(); 
+
+                }
+                break;
+            case 7 :
+                // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1:46: T__18
+                {
+                mT__18(); 
+
+                }
+                break;
+            case 8 :
+                // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1:52: T__19
+                {
+                mT__19(); 
+
+                }
+                break;
+            case 9 :
+                // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1:58: T__20
+                {
+                mT__20(); 
+
+                }
+                break;
+            case 10 :
+                // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1:64: T__21
+                {
+                mT__21(); 
+
+                }
+                break;
+            case 11 :
+                // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1:70: T__22
+                {
+                mT__22(); 
+
+                }
+                break;
+            case 12 :
+                // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1:76: T__23
+                {
+                mT__23(); 
+
+                }
+                break;
+            case 13 :
+                // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1:82: T__24
+                {
+                mT__24(); 
+
+                }
+                break;
+            case 14 :
+                // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1:88: RULE_NUMBER
+                {
+                mRULE_NUMBER(); 
+
+                }
+                break;
+            case 15 :
+                // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1:100: RULE_INT
+                {
+                mRULE_INT(); 
+
+                }
+                break;
+            case 16 :
+                // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1:109: RULE_ID
+                {
+                mRULE_ID(); 
+
+                }
+                break;
+            case 17 :
+                // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1:117: RULE_STRING
+                {
+                mRULE_STRING(); 
+
+                }
+                break;
+            case 18 :
+                // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1:129: RULE_ML_COMMENT
+                {
+                mRULE_ML_COMMENT(); 
+
+                }
+                break;
+            case 19 :
+                // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1:145: RULE_SL_COMMENT
+                {
+                mRULE_SL_COMMENT(); 
+
+                }
+                break;
+            case 20 :
+                // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1:161: RULE_WS
+                {
+                mRULE_WS(); 
+
+                }
+                break;
+            case 21 :
+                // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1:169: RULE_ANY_OTHER
+                {
+                mRULE_ANY_OTHER(); 
+
+                }
+                break;
+
+        }
+
+    }
+
+
+    protected DFA14 dfa14 = new DFA14(this);
+    static final String DFA14_eotS =
+        "\1\17\2\30\1\32\1\uffff\1\30\7\uffff\1\46\2\uffff\1\30\1\26\1\uffff"+
+        "\2\26\2\uffff\1\30\1\uffff\1\30\2\uffff\1\30\12\uffff\1\30\2\uffff"+
+        "\2\30\1\60\3\30\1\uffff\3\30\1\uffff\1\67\1\70\2\uffff";
+    static final String DFA14_eofS =
+        "\71\uffff";
+    static final String DFA14_minS =
+        "\1\0\1\157\1\155\1\60\1\uffff\1\145\7\uffff\1\52\2\uffff\1\150\1"+
+        "\101\1\uffff\2\0\2\uffff\1\144\1\uffff\1\160\2\uffff\1\146\12\uffff"+
+        "\1\151\2\uffff\1\165\1\157\1\60\1\163\1\154\1\162\1\uffff\1\40\1"+
+        "\145\1\164\1\uffff\2\60\2\uffff";
+    static final String DFA14_maxS =
+        "\1\uffff\1\157\1\155\1\71\1\uffff\1\145\7\uffff\1\57\2\uffff\1\150"+
+        "\1\172\1\uffff\2\uffff\2\uffff\1\144\1\uffff\1\160\2\uffff\1\146"+
+        "\12\uffff\1\151\2\uffff\1\165\1\157\1\172\1\163\1\154\1\162\1\uffff"+
+        "\1\40\1\145\1\164\1\uffff\2\172\2\uffff";
+    static final String DFA14_acceptS =
+        "\4\uffff\1\4\1\uffff\1\6\1\7\1\10\1\11\1\12\1\13\1\14\1\uffff\2"+
+        "\16\2\uffff\1\20\2\uffff\1\24\1\25\1\uffff\1\20\1\uffff\1\3\1\4"+
+        "\1\uffff\1\6\1\7\1\10\1\11\1\12\1\13\1\14\1\22\1\23\1\15\1\uffff"+
+        "\1\21\1\24\6\uffff\1\5\3\uffff\1\17\2\uffff\1\1\1\2";
+    static final String DFA14_specialS =
+        "\1\0\22\uffff\1\1\1\2\44\uffff}>";
+    static final String[] DFA14_transitionS = {
+            "\11\26\2\25\2\26\1\25\22\26\1\25\1\26\1\23\4\26\1\24\1\10\1"+
+            "\11\1\4\1\13\1\12\1\14\1\3\1\15\12\16\1\6\1\7\5\26\32\22\3\26"+
+            "\1\21\1\22\1\26\3\22\1\5\4\22\1\2\3\22\1\1\6\22\1\20\6\22\uff85"+
+            "\26",
+            "\1\27",
+            "\1\31",
+            "\12\17",
+            "",
+            "\1\34",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "\1\44\4\uffff\1\45",
+            "",
+            "",
+            "\1\47",
+            "\32\30\4\uffff\1\30\1\uffff\32\30",
+            "",
+            "\0\50",
+            "\0\50",
+            "",
+            "",
+            "\1\52",
+            "",
+            "\1\53",
+            "",
+            "",
+            "\1\54",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "\1\55",
+            "",
+            "",
+            "\1\56",
+            "\1\57",
+            "\12\30\7\uffff\32\30\4\uffff\1\30\1\uffff\32\30",
+            "\1\61",
+            "\1\62",
+            "\1\63",
+            "",
+            "\1\64",
+            "\1\65",
+            "\1\66",
+            "",
+            "\12\30\7\uffff\32\30\4\uffff\1\30\1\uffff\32\30",
+            "\12\30\7\uffff\32\30\4\uffff\1\30\1\uffff\32\30",
+            "",
+            ""
+    };
+
+    static final short[] DFA14_eot = DFA.unpackEncodedString(DFA14_eotS);
+    static final short[] DFA14_eof = DFA.unpackEncodedString(DFA14_eofS);
+    static final char[] DFA14_min = DFA.unpackEncodedStringToUnsignedChars(DFA14_minS);
+    static final char[] DFA14_max = DFA.unpackEncodedStringToUnsignedChars(DFA14_maxS);
+    static final short[] DFA14_accept = DFA.unpackEncodedString(DFA14_acceptS);
+    static final short[] DFA14_special = DFA.unpackEncodedString(DFA14_specialS);
+    static final short[][] DFA14_transition;
+
+    static {
+        int numStates = DFA14_transitionS.length;
+        DFA14_transition = new short[numStates][];
+        for (int i=0; i<numStates; i++) {
+            DFA14_transition[i] = DFA.unpackEncodedString(DFA14_transitionS[i]);
+        }
+    }
+
+    class DFA14 extends DFA {
+
+        public DFA14(BaseRecognizer recognizer) {
+            this.recognizer = recognizer;
+            this.decisionNumber = 14;
+            this.eot = DFA14_eot;
+            this.eof = DFA14_eof;
+            this.min = DFA14_min;
+            this.max = DFA14_max;
+            this.accept = DFA14_accept;
+            this.special = DFA14_special;
+            this.transition = DFA14_transition;
+        }
+        public String getDescription() {
+            return "1:1: Tokens : ( T__12 | T__13 | T__14 | T__15 | T__16 | T__17 | T__18 | T__19 | T__20 | T__21 | T__22 | T__23 | T__24 | RULE_NUMBER | RULE_INT | RULE_ID | RULE_STRING | RULE_ML_COMMENT | RULE_SL_COMMENT | RULE_WS | RULE_ANY_OTHER );";
+        }
+        public int specialStateTransition(int s, IntStream _input) throws NoViableAltException {
+            IntStream input = _input;
+        	int _s = s;
+            switch ( s ) {
+                    case 0 : 
+                        int LA14_0 = input.LA(1);
+
+                        s = -1;
+                        if ( (LA14_0=='m') ) {s = 1;}
+
+                        else if ( (LA14_0=='i') ) {s = 2;}
+
+                        else if ( (LA14_0=='.') ) {s = 3;}
+
+                        else if ( (LA14_0=='*') ) {s = 4;}
+
+                        else if ( (LA14_0=='d') ) {s = 5;}
+
+                        else if ( (LA14_0==':') ) {s = 6;}
+
+                        else if ( (LA14_0==';') ) {s = 7;}
+
+                        else if ( (LA14_0=='(') ) {s = 8;}
+
+                        else if ( (LA14_0==')') ) {s = 9;}
+
+                        else if ( (LA14_0==',') ) {s = 10;}
+
+                        else if ( (LA14_0=='+') ) {s = 11;}
+
+                        else if ( (LA14_0=='-') ) {s = 12;}
+
+                        else if ( (LA14_0=='/') ) {s = 13;}
+
+                        else if ( ((LA14_0>='0' && LA14_0<='9')) ) {s = 14;}
+
+                        else if ( (LA14_0=='t') ) {s = 16;}
+
+                        else if ( (LA14_0=='^') ) {s = 17;}
+
+                        else if ( ((LA14_0>='A' && LA14_0<='Z')||LA14_0=='_'||(LA14_0>='a' && LA14_0<='c')||(LA14_0>='e' && LA14_0<='h')||(LA14_0>='j' && LA14_0<='l')||(LA14_0>='n' && LA14_0<='s')||(LA14_0>='u' && LA14_0<='z')) ) {s = 18;}
+
+                        else if ( (LA14_0=='\"') ) {s = 19;}
+
+                        else if ( (LA14_0=='\'') ) {s = 20;}
+
+                        else if ( ((LA14_0>='\t' && LA14_0<='\n')||LA14_0=='\r'||LA14_0==' ') ) {s = 21;}
+
+                        else if ( ((LA14_0>='\u0000' && LA14_0<='\b')||(LA14_0>='\u000B' && LA14_0<='\f')||(LA14_0>='\u000E' && LA14_0<='\u001F')||LA14_0=='!'||(LA14_0>='#' && LA14_0<='&')||(LA14_0>='<' && LA14_0<='@')||(LA14_0>='[' && LA14_0<=']')||LA14_0=='`'||(LA14_0>='{' && LA14_0<='\uFFFF')) ) {s = 22;}
+
+                        else s = 15;
+
+                        if ( s>=0 ) return s;
+                        break;
+                    case 1 : 
+                        int LA14_19 = input.LA(1);
+
+                        s = -1;
+                        if ( ((LA14_19>='\u0000' && LA14_19<='\uFFFF')) ) {s = 40;}
+
+                        else s = 22;
+
+                        if ( s>=0 ) return s;
+                        break;
+                    case 2 : 
+                        int LA14_20 = input.LA(1);
+
+                        s = -1;
+                        if ( ((LA14_20>='\u0000' && LA14_20<='\uFFFF')) ) {s = 40;}
+
+                        else s = 22;
+
+                        if ( s>=0 ) return s;
+                        break;
+            }
+            NoViableAltException nvae =
+                new NoViableAltException(getDescription(), 14, _s, input);
+            error(nvae);
+            throw nvae;
+        }
+    }
+ 
+
+}
\ No newline at end of file
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmeticsParser.java b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmeticsParser.java
new file mode 100644
index 0000000..4883d89
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmeticsParser.java
@@ -0,0 +1,6494 @@
+package org.eclipse.xtext.example.arithmetics.ui.contentassist.antlr.internal; 
+
+import java.io.InputStream;
+import org.eclipse.xtext.*;
+import org.eclipse.xtext.parser.*;
+import org.eclipse.xtext.parser.impl.*;
+import org.eclipse.emf.ecore.util.EcoreUtil;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream.HiddenTokens;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.AbstractInternalContentAssistParser;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.DFA;
+import org.eclipse.xtext.example.arithmetics.services.ArithmeticsGrammarAccess;
+
+
+
+import org.antlr.runtime.*;
+import java.util.Stack;
+import java.util.List;
+import java.util.ArrayList;
+
+@SuppressWarnings("all")
+public class InternalArithmeticsParser extends AbstractInternalContentAssistParser {
+    public static final String[] tokenNames = new String[] {
+        "<invalid>", "<EOR>", "<DOWN>", "<UP>", "RULE_ID", "RULE_NUMBER", "RULE_INT", "RULE_STRING", "RULE_ML_COMMENT", "RULE_SL_COMMENT", "RULE_WS", "RULE_ANY_OTHER", "'module'", "'import'", "'.'", "'*'", "'def'", "':'", "';'", "'('", "')'", "','", "'+'", "'-'", "'/'"
+    };
+    public static final int RULE_ID=4;
+    public static final int T__24=24;
+    public static final int T__23=23;
+    public static final int T__22=22;
+    public static final int RULE_ANY_OTHER=11;
+    public static final int T__21=21;
+    public static final int T__20=20;
+    public static final int RULE_SL_COMMENT=9;
+    public static final int EOF=-1;
+    public static final int RULE_ML_COMMENT=8;
+    public static final int T__19=19;
+    public static final int RULE_STRING=7;
+    public static final int T__16=16;
+    public static final int T__15=15;
+    public static final int T__18=18;
+    public static final int T__17=17;
+    public static final int T__12=12;
+    public static final int RULE_NUMBER=5;
+    public static final int T__14=14;
+    public static final int T__13=13;
+    public static final int RULE_INT=6;
+    public static final int RULE_WS=10;
+
+    // delegates
+    // delegators
+
+
+        public InternalArithmeticsParser(TokenStream input) {
+            this(input, new RecognizerSharedState());
+        }
+        public InternalArithmeticsParser(TokenStream input, RecognizerSharedState state) {
+            super(input, state);
+             
+        }
+        
+
+    public String[] getTokenNames() { return InternalArithmeticsParser.tokenNames; }
+    public String getGrammarFileName() { return "../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g"; }
+
+
+     
+     	private ArithmeticsGrammarAccess grammarAccess;
+     	
+        public void setGrammarAccess(ArithmeticsGrammarAccess grammarAccess) {
+        	this.grammarAccess = grammarAccess;
+        }
+        
+        @Override
+        protected Grammar getGrammar() {
+        	return grammarAccess.getGrammar();
+        }
+        
+        @Override
+        protected String getValueForTokenName(String tokenName) {
+        	return tokenName;
+        }
+
+
+
+
+    // $ANTLR start "entryRuleModule"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:60:1: entryRuleModule : ruleModule EOF ;
+    public final void entryRuleModule() throws RecognitionException {
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:61:1: ( ruleModule EOF )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:62:1: ruleModule EOF
+            {
+             before(grammarAccess.getModuleRule()); 
+            pushFollow(FOLLOW_ruleModule_in_entryRuleModule61);
+            ruleModule();
+
+            state._fsp--;
+
+             after(grammarAccess.getModuleRule()); 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleModule68); 
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+        }
+        return ;
+    }
+    // $ANTLR end "entryRuleModule"
+
+
+    // $ANTLR start "ruleModule"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:69:1: ruleModule : ( ( rule__Module__Group__0 ) ) ;
+    public final void ruleModule() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:73:2: ( ( ( rule__Module__Group__0 ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:74:1: ( ( rule__Module__Group__0 ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:74:1: ( ( rule__Module__Group__0 ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:75:1: ( rule__Module__Group__0 )
+            {
+             before(grammarAccess.getModuleAccess().getGroup()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:76:1: ( rule__Module__Group__0 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:76:2: rule__Module__Group__0
+            {
+            pushFollow(FOLLOW_rule__Module__Group__0_in_ruleModule94);
+            rule__Module__Group__0();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getModuleAccess().getGroup()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "ruleModule"
+
+
+    // $ANTLR start "entryRuleImport"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:88:1: entryRuleImport : ruleImport EOF ;
+    public final void entryRuleImport() throws RecognitionException {
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:89:1: ( ruleImport EOF )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:90:1: ruleImport EOF
+            {
+             before(grammarAccess.getImportRule()); 
+            pushFollow(FOLLOW_ruleImport_in_entryRuleImport121);
+            ruleImport();
+
+            state._fsp--;
+
+             after(grammarAccess.getImportRule()); 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleImport128); 
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+        }
+        return ;
+    }
+    // $ANTLR end "entryRuleImport"
+
+
+    // $ANTLR start "ruleImport"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:97:1: ruleImport : ( ( rule__Import__Group__0 ) ) ;
+    public final void ruleImport() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:101:2: ( ( ( rule__Import__Group__0 ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:102:1: ( ( rule__Import__Group__0 ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:102:1: ( ( rule__Import__Group__0 ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:103:1: ( rule__Import__Group__0 )
+            {
+             before(grammarAccess.getImportAccess().getGroup()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:104:1: ( rule__Import__Group__0 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:104:2: rule__Import__Group__0
+            {
+            pushFollow(FOLLOW_rule__Import__Group__0_in_ruleImport154);
+            rule__Import__Group__0();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getImportAccess().getGroup()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "ruleImport"
+
+
+    // $ANTLR start "entryRuleImportName"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:116:1: entryRuleImportName : ruleImportName EOF ;
+    public final void entryRuleImportName() throws RecognitionException {
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:117:1: ( ruleImportName EOF )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:118:1: ruleImportName EOF
+            {
+             before(grammarAccess.getImportNameRule()); 
+            pushFollow(FOLLOW_ruleImportName_in_entryRuleImportName181);
+            ruleImportName();
+
+            state._fsp--;
+
+             after(grammarAccess.getImportNameRule()); 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleImportName188); 
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+        }
+        return ;
+    }
+    // $ANTLR end "entryRuleImportName"
+
+
+    // $ANTLR start "ruleImportName"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:125:1: ruleImportName : ( ( rule__ImportName__Group__0 ) ) ;
+    public final void ruleImportName() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:129:2: ( ( ( rule__ImportName__Group__0 ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:130:1: ( ( rule__ImportName__Group__0 ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:130:1: ( ( rule__ImportName__Group__0 ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:131:1: ( rule__ImportName__Group__0 )
+            {
+             before(grammarAccess.getImportNameAccess().getGroup()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:132:1: ( rule__ImportName__Group__0 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:132:2: rule__ImportName__Group__0
+            {
+            pushFollow(FOLLOW_rule__ImportName__Group__0_in_ruleImportName214);
+            rule__ImportName__Group__0();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getImportNameAccess().getGroup()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "ruleImportName"
+
+
+    // $ANTLR start "entryRuleStatement"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:144:1: entryRuleStatement : ruleStatement EOF ;
+    public final void entryRuleStatement() throws RecognitionException {
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:145:1: ( ruleStatement EOF )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:146:1: ruleStatement EOF
+            {
+             before(grammarAccess.getStatementRule()); 
+            pushFollow(FOLLOW_ruleStatement_in_entryRuleStatement241);
+            ruleStatement();
+
+            state._fsp--;
+
+             after(grammarAccess.getStatementRule()); 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleStatement248); 
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+        }
+        return ;
+    }
+    // $ANTLR end "entryRuleStatement"
+
+
+    // $ANTLR start "ruleStatement"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:153:1: ruleStatement : ( ( rule__Statement__Alternatives ) ) ;
+    public final void ruleStatement() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:157:2: ( ( ( rule__Statement__Alternatives ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:158:1: ( ( rule__Statement__Alternatives ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:158:1: ( ( rule__Statement__Alternatives ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:159:1: ( rule__Statement__Alternatives )
+            {
+             before(grammarAccess.getStatementAccess().getAlternatives()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:160:1: ( rule__Statement__Alternatives )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:160:2: rule__Statement__Alternatives
+            {
+            pushFollow(FOLLOW_rule__Statement__Alternatives_in_ruleStatement274);
+            rule__Statement__Alternatives();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getStatementAccess().getAlternatives()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "ruleStatement"
+
+
+    // $ANTLR start "entryRuleDefinition"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:172:1: entryRuleDefinition : ruleDefinition EOF ;
+    public final void entryRuleDefinition() throws RecognitionException {
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:173:1: ( ruleDefinition EOF )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:174:1: ruleDefinition EOF
+            {
+             before(grammarAccess.getDefinitionRule()); 
+            pushFollow(FOLLOW_ruleDefinition_in_entryRuleDefinition301);
+            ruleDefinition();
+
+            state._fsp--;
+
+             after(grammarAccess.getDefinitionRule()); 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleDefinition308); 
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+        }
+        return ;
+    }
+    // $ANTLR end "entryRuleDefinition"
+
+
+    // $ANTLR start "ruleDefinition"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:181:1: ruleDefinition : ( ( rule__Definition__Group__0 ) ) ;
+    public final void ruleDefinition() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:185:2: ( ( ( rule__Definition__Group__0 ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:186:1: ( ( rule__Definition__Group__0 ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:186:1: ( ( rule__Definition__Group__0 ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:187:1: ( rule__Definition__Group__0 )
+            {
+             before(grammarAccess.getDefinitionAccess().getGroup()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:188:1: ( rule__Definition__Group__0 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:188:2: rule__Definition__Group__0
+            {
+            pushFollow(FOLLOW_rule__Definition__Group__0_in_ruleDefinition334);
+            rule__Definition__Group__0();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getDefinitionAccess().getGroup()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "ruleDefinition"
+
+
+    // $ANTLR start "entryRuleDeclaredParameter"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:200:1: entryRuleDeclaredParameter : ruleDeclaredParameter EOF ;
+    public final void entryRuleDeclaredParameter() throws RecognitionException {
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:201:1: ( ruleDeclaredParameter EOF )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:202:1: ruleDeclaredParameter EOF
+            {
+             before(grammarAccess.getDeclaredParameterRule()); 
+            pushFollow(FOLLOW_ruleDeclaredParameter_in_entryRuleDeclaredParameter361);
+            ruleDeclaredParameter();
+
+            state._fsp--;
+
+             after(grammarAccess.getDeclaredParameterRule()); 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleDeclaredParameter368); 
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+        }
+        return ;
+    }
+    // $ANTLR end "entryRuleDeclaredParameter"
+
+
+    // $ANTLR start "ruleDeclaredParameter"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:209:1: ruleDeclaredParameter : ( ( rule__DeclaredParameter__NameAssignment ) ) ;
+    public final void ruleDeclaredParameter() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:213:2: ( ( ( rule__DeclaredParameter__NameAssignment ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:214:1: ( ( rule__DeclaredParameter__NameAssignment ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:214:1: ( ( rule__DeclaredParameter__NameAssignment ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:215:1: ( rule__DeclaredParameter__NameAssignment )
+            {
+             before(grammarAccess.getDeclaredParameterAccess().getNameAssignment()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:216:1: ( rule__DeclaredParameter__NameAssignment )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:216:2: rule__DeclaredParameter__NameAssignment
+            {
+            pushFollow(FOLLOW_rule__DeclaredParameter__NameAssignment_in_ruleDeclaredParameter394);
+            rule__DeclaredParameter__NameAssignment();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getDeclaredParameterAccess().getNameAssignment()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "ruleDeclaredParameter"
+
+
+    // $ANTLR start "entryRuleEvaluation"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:230:1: entryRuleEvaluation : ruleEvaluation EOF ;
+    public final void entryRuleEvaluation() throws RecognitionException {
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:231:1: ( ruleEvaluation EOF )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:232:1: ruleEvaluation EOF
+            {
+             before(grammarAccess.getEvaluationRule()); 
+            pushFollow(FOLLOW_ruleEvaluation_in_entryRuleEvaluation423);
+            ruleEvaluation();
+
+            state._fsp--;
+
+             after(grammarAccess.getEvaluationRule()); 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleEvaluation430); 
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+        }
+        return ;
+    }
+    // $ANTLR end "entryRuleEvaluation"
+
+
+    // $ANTLR start "ruleEvaluation"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:239:1: ruleEvaluation : ( ( rule__Evaluation__Group__0 ) ) ;
+    public final void ruleEvaluation() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:243:2: ( ( ( rule__Evaluation__Group__0 ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:244:1: ( ( rule__Evaluation__Group__0 ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:244:1: ( ( rule__Evaluation__Group__0 ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:245:1: ( rule__Evaluation__Group__0 )
+            {
+             before(grammarAccess.getEvaluationAccess().getGroup()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:246:1: ( rule__Evaluation__Group__0 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:246:2: rule__Evaluation__Group__0
+            {
+            pushFollow(FOLLOW_rule__Evaluation__Group__0_in_ruleEvaluation456);
+            rule__Evaluation__Group__0();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getEvaluationAccess().getGroup()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "ruleEvaluation"
+
+
+    // $ANTLR start "entryRuleExpression"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:258:1: entryRuleExpression : ruleExpression EOF ;
+    public final void entryRuleExpression() throws RecognitionException {
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:259:1: ( ruleExpression EOF )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:260:1: ruleExpression EOF
+            {
+             before(grammarAccess.getExpressionRule()); 
+            pushFollow(FOLLOW_ruleExpression_in_entryRuleExpression483);
+            ruleExpression();
+
+            state._fsp--;
+
+             after(grammarAccess.getExpressionRule()); 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleExpression490); 
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+        }
+        return ;
+    }
+    // $ANTLR end "entryRuleExpression"
+
+
+    // $ANTLR start "ruleExpression"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:267:1: ruleExpression : ( ruleAddition ) ;
+    public final void ruleExpression() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:271:2: ( ( ruleAddition ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:272:1: ( ruleAddition )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:272:1: ( ruleAddition )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:273:1: ruleAddition
+            {
+             before(grammarAccess.getExpressionAccess().getAdditionParserRuleCall()); 
+            pushFollow(FOLLOW_ruleAddition_in_ruleExpression516);
+            ruleAddition();
+
+            state._fsp--;
+
+             after(grammarAccess.getExpressionAccess().getAdditionParserRuleCall()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "ruleExpression"
+
+
+    // $ANTLR start "entryRuleAddition"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:286:1: entryRuleAddition : ruleAddition EOF ;
+    public final void entryRuleAddition() throws RecognitionException {
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:287:1: ( ruleAddition EOF )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:288:1: ruleAddition EOF
+            {
+             before(grammarAccess.getAdditionRule()); 
+            pushFollow(FOLLOW_ruleAddition_in_entryRuleAddition542);
+            ruleAddition();
+
+            state._fsp--;
+
+             after(grammarAccess.getAdditionRule()); 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleAddition549); 
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+        }
+        return ;
+    }
+    // $ANTLR end "entryRuleAddition"
+
+
+    // $ANTLR start "ruleAddition"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:295:1: ruleAddition : ( ( rule__Addition__Group__0 ) ) ;
+    public final void ruleAddition() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:299:2: ( ( ( rule__Addition__Group__0 ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:300:1: ( ( rule__Addition__Group__0 ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:300:1: ( ( rule__Addition__Group__0 ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:301:1: ( rule__Addition__Group__0 )
+            {
+             before(grammarAccess.getAdditionAccess().getGroup()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:302:1: ( rule__Addition__Group__0 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:302:2: rule__Addition__Group__0
+            {
+            pushFollow(FOLLOW_rule__Addition__Group__0_in_ruleAddition575);
+            rule__Addition__Group__0();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getAdditionAccess().getGroup()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "ruleAddition"
+
+
+    // $ANTLR start "entryRuleMultiplication"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:314:1: entryRuleMultiplication : ruleMultiplication EOF ;
+    public final void entryRuleMultiplication() throws RecognitionException {
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:315:1: ( ruleMultiplication EOF )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:316:1: ruleMultiplication EOF
+            {
+             before(grammarAccess.getMultiplicationRule()); 
+            pushFollow(FOLLOW_ruleMultiplication_in_entryRuleMultiplication602);
+            ruleMultiplication();
+
+            state._fsp--;
+
+             after(grammarAccess.getMultiplicationRule()); 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleMultiplication609); 
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+        }
+        return ;
+    }
+    // $ANTLR end "entryRuleMultiplication"
+
+
+    // $ANTLR start "ruleMultiplication"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:323:1: ruleMultiplication : ( ( rule__Multiplication__Group__0 ) ) ;
+    public final void ruleMultiplication() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:327:2: ( ( ( rule__Multiplication__Group__0 ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:328:1: ( ( rule__Multiplication__Group__0 ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:328:1: ( ( rule__Multiplication__Group__0 ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:329:1: ( rule__Multiplication__Group__0 )
+            {
+             before(grammarAccess.getMultiplicationAccess().getGroup()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:330:1: ( rule__Multiplication__Group__0 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:330:2: rule__Multiplication__Group__0
+            {
+            pushFollow(FOLLOW_rule__Multiplication__Group__0_in_ruleMultiplication635);
+            rule__Multiplication__Group__0();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getMultiplicationAccess().getGroup()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "ruleMultiplication"
+
+
+    // $ANTLR start "entryRulePrimaryExpression"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:342:1: entryRulePrimaryExpression : rulePrimaryExpression EOF ;
+    public final void entryRulePrimaryExpression() throws RecognitionException {
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:343:1: ( rulePrimaryExpression EOF )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:344:1: rulePrimaryExpression EOF
+            {
+             before(grammarAccess.getPrimaryExpressionRule()); 
+            pushFollow(FOLLOW_rulePrimaryExpression_in_entryRulePrimaryExpression662);
+            rulePrimaryExpression();
+
+            state._fsp--;
+
+             after(grammarAccess.getPrimaryExpressionRule()); 
+            match(input,EOF,FOLLOW_EOF_in_entryRulePrimaryExpression669); 
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+        }
+        return ;
+    }
+    // $ANTLR end "entryRulePrimaryExpression"
+
+
+    // $ANTLR start "rulePrimaryExpression"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:351:1: rulePrimaryExpression : ( ( rule__PrimaryExpression__Alternatives ) ) ;
+    public final void rulePrimaryExpression() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:355:2: ( ( ( rule__PrimaryExpression__Alternatives ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:356:1: ( ( rule__PrimaryExpression__Alternatives ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:356:1: ( ( rule__PrimaryExpression__Alternatives ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:357:1: ( rule__PrimaryExpression__Alternatives )
+            {
+             before(grammarAccess.getPrimaryExpressionAccess().getAlternatives()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:358:1: ( rule__PrimaryExpression__Alternatives )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:358:2: rule__PrimaryExpression__Alternatives
+            {
+            pushFollow(FOLLOW_rule__PrimaryExpression__Alternatives_in_rulePrimaryExpression695);
+            rule__PrimaryExpression__Alternatives();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getPrimaryExpressionAccess().getAlternatives()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rulePrimaryExpression"
+
+
+    // $ANTLR start "rule__Statement__Alternatives"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:370:1: rule__Statement__Alternatives : ( ( ruleDefinition ) | ( ruleEvaluation ) );
+    public final void rule__Statement__Alternatives() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:374:1: ( ( ruleDefinition ) | ( ruleEvaluation ) )
+            int alt1=2;
+            int LA1_0 = input.LA(1);
+
+            if ( (LA1_0==16) ) {
+                alt1=1;
+            }
+            else if ( ((LA1_0>=RULE_ID && LA1_0<=RULE_NUMBER)||LA1_0==19) ) {
+                alt1=2;
+            }
+            else {
+                NoViableAltException nvae =
+                    new NoViableAltException("", 1, 0, input);
+
+                throw nvae;
+            }
+            switch (alt1) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:375:1: ( ruleDefinition )
+                    {
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:375:1: ( ruleDefinition )
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:376:1: ruleDefinition
+                    {
+                     before(grammarAccess.getStatementAccess().getDefinitionParserRuleCall_0()); 
+                    pushFollow(FOLLOW_ruleDefinition_in_rule__Statement__Alternatives731);
+                    ruleDefinition();
+
+                    state._fsp--;
+
+                     after(grammarAccess.getStatementAccess().getDefinitionParserRuleCall_0()); 
+
+                    }
+
+
+                    }
+                    break;
+                case 2 :
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:381:6: ( ruleEvaluation )
+                    {
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:381:6: ( ruleEvaluation )
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:382:1: ruleEvaluation
+                    {
+                     before(grammarAccess.getStatementAccess().getEvaluationParserRuleCall_1()); 
+                    pushFollow(FOLLOW_ruleEvaluation_in_rule__Statement__Alternatives748);
+                    ruleEvaluation();
+
+                    state._fsp--;
+
+                     after(grammarAccess.getStatementAccess().getEvaluationParserRuleCall_1()); 
+
+                    }
+
+
+                    }
+                    break;
+
+            }
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statement__Alternatives"
+
+
+    // $ANTLR start "rule__Addition__Alternatives_1_0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:393:1: rule__Addition__Alternatives_1_0 : ( ( ( rule__Addition__Group_1_0_0__0 ) ) | ( ( rule__Addition__Group_1_0_1__0 ) ) );
+    public final void rule__Addition__Alternatives_1_0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:397:1: ( ( ( rule__Addition__Group_1_0_0__0 ) ) | ( ( rule__Addition__Group_1_0_1__0 ) ) )
+            int alt2=2;
+            int LA2_0 = input.LA(1);
+
+            if ( (LA2_0==22) ) {
+                alt2=1;
+            }
+            else if ( (LA2_0==23) ) {
+                alt2=2;
+            }
+            else {
+                NoViableAltException nvae =
+                    new NoViableAltException("", 2, 0, input);
+
+                throw nvae;
+            }
+            switch (alt2) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:398:1: ( ( rule__Addition__Group_1_0_0__0 ) )
+                    {
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:398:1: ( ( rule__Addition__Group_1_0_0__0 ) )
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:399:1: ( rule__Addition__Group_1_0_0__0 )
+                    {
+                     before(grammarAccess.getAdditionAccess().getGroup_1_0_0()); 
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:400:1: ( rule__Addition__Group_1_0_0__0 )
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:400:2: rule__Addition__Group_1_0_0__0
+                    {
+                    pushFollow(FOLLOW_rule__Addition__Group_1_0_0__0_in_rule__Addition__Alternatives_1_0781);
+                    rule__Addition__Group_1_0_0__0();
+
+                    state._fsp--;
+
+
+                    }
+
+                     after(grammarAccess.getAdditionAccess().getGroup_1_0_0()); 
+
+                    }
+
+
+                    }
+                    break;
+                case 2 :
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:404:6: ( ( rule__Addition__Group_1_0_1__0 ) )
+                    {
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:404:6: ( ( rule__Addition__Group_1_0_1__0 ) )
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:405:1: ( rule__Addition__Group_1_0_1__0 )
+                    {
+                     before(grammarAccess.getAdditionAccess().getGroup_1_0_1()); 
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:406:1: ( rule__Addition__Group_1_0_1__0 )
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:406:2: rule__Addition__Group_1_0_1__0
+                    {
+                    pushFollow(FOLLOW_rule__Addition__Group_1_0_1__0_in_rule__Addition__Alternatives_1_0799);
+                    rule__Addition__Group_1_0_1__0();
+
+                    state._fsp--;
+
+
+                    }
+
+                     after(grammarAccess.getAdditionAccess().getGroup_1_0_1()); 
+
+                    }
+
+
+                    }
+                    break;
+
+            }
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Addition__Alternatives_1_0"
+
+
+    // $ANTLR start "rule__Multiplication__Alternatives_1_0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:415:1: rule__Multiplication__Alternatives_1_0 : ( ( ( rule__Multiplication__Group_1_0_0__0 ) ) | ( ( rule__Multiplication__Group_1_0_1__0 ) ) );
+    public final void rule__Multiplication__Alternatives_1_0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:419:1: ( ( ( rule__Multiplication__Group_1_0_0__0 ) ) | ( ( rule__Multiplication__Group_1_0_1__0 ) ) )
+            int alt3=2;
+            int LA3_0 = input.LA(1);
+
+            if ( (LA3_0==15) ) {
+                alt3=1;
+            }
+            else if ( (LA3_0==24) ) {
+                alt3=2;
+            }
+            else {
+                NoViableAltException nvae =
+                    new NoViableAltException("", 3, 0, input);
+
+                throw nvae;
+            }
+            switch (alt3) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:420:1: ( ( rule__Multiplication__Group_1_0_0__0 ) )
+                    {
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:420:1: ( ( rule__Multiplication__Group_1_0_0__0 ) )
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:421:1: ( rule__Multiplication__Group_1_0_0__0 )
+                    {
+                     before(grammarAccess.getMultiplicationAccess().getGroup_1_0_0()); 
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:422:1: ( rule__Multiplication__Group_1_0_0__0 )
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:422:2: rule__Multiplication__Group_1_0_0__0
+                    {
+                    pushFollow(FOLLOW_rule__Multiplication__Group_1_0_0__0_in_rule__Multiplication__Alternatives_1_0832);
+                    rule__Multiplication__Group_1_0_0__0();
+
+                    state._fsp--;
+
+
+                    }
+
+                     after(grammarAccess.getMultiplicationAccess().getGroup_1_0_0()); 
+
+                    }
+
+
+                    }
+                    break;
+                case 2 :
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:426:6: ( ( rule__Multiplication__Group_1_0_1__0 ) )
+                    {
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:426:6: ( ( rule__Multiplication__Group_1_0_1__0 ) )
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:427:1: ( rule__Multiplication__Group_1_0_1__0 )
+                    {
+                     before(grammarAccess.getMultiplicationAccess().getGroup_1_0_1()); 
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:428:1: ( rule__Multiplication__Group_1_0_1__0 )
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:428:2: rule__Multiplication__Group_1_0_1__0
+                    {
+                    pushFollow(FOLLOW_rule__Multiplication__Group_1_0_1__0_in_rule__Multiplication__Alternatives_1_0850);
+                    rule__Multiplication__Group_1_0_1__0();
+
+                    state._fsp--;
+
+
+                    }
+
+                     after(grammarAccess.getMultiplicationAccess().getGroup_1_0_1()); 
+
+                    }
+
+
+                    }
+                    break;
+
+            }
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Multiplication__Alternatives_1_0"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Alternatives"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:437:1: rule__PrimaryExpression__Alternatives : ( ( ( rule__PrimaryExpression__Group_0__0 ) ) | ( ( rule__PrimaryExpression__Group_1__0 ) ) | ( ( rule__PrimaryExpression__Group_2__0 ) ) );
+    public final void rule__PrimaryExpression__Alternatives() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:441:1: ( ( ( rule__PrimaryExpression__Group_0__0 ) ) | ( ( rule__PrimaryExpression__Group_1__0 ) ) | ( ( rule__PrimaryExpression__Group_2__0 ) ) )
+            int alt4=3;
+            switch ( input.LA(1) ) {
+            case 19:
+                {
+                alt4=1;
+                }
+                break;
+            case RULE_NUMBER:
+                {
+                alt4=2;
+                }
+                break;
+            case RULE_ID:
+                {
+                alt4=3;
+                }
+                break;
+            default:
+                NoViableAltException nvae =
+                    new NoViableAltException("", 4, 0, input);
+
+                throw nvae;
+            }
+
+            switch (alt4) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:442:1: ( ( rule__PrimaryExpression__Group_0__0 ) )
+                    {
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:442:1: ( ( rule__PrimaryExpression__Group_0__0 ) )
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:443:1: ( rule__PrimaryExpression__Group_0__0 )
+                    {
+                     before(grammarAccess.getPrimaryExpressionAccess().getGroup_0()); 
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:444:1: ( rule__PrimaryExpression__Group_0__0 )
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:444:2: rule__PrimaryExpression__Group_0__0
+                    {
+                    pushFollow(FOLLOW_rule__PrimaryExpression__Group_0__0_in_rule__PrimaryExpression__Alternatives883);
+                    rule__PrimaryExpression__Group_0__0();
+
+                    state._fsp--;
+
+
+                    }
+
+                     after(grammarAccess.getPrimaryExpressionAccess().getGroup_0()); 
+
+                    }
+
+
+                    }
+                    break;
+                case 2 :
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:448:6: ( ( rule__PrimaryExpression__Group_1__0 ) )
+                    {
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:448:6: ( ( rule__PrimaryExpression__Group_1__0 ) )
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:449:1: ( rule__PrimaryExpression__Group_1__0 )
+                    {
+                     before(grammarAccess.getPrimaryExpressionAccess().getGroup_1()); 
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:450:1: ( rule__PrimaryExpression__Group_1__0 )
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:450:2: rule__PrimaryExpression__Group_1__0
+                    {
+                    pushFollow(FOLLOW_rule__PrimaryExpression__Group_1__0_in_rule__PrimaryExpression__Alternatives901);
+                    rule__PrimaryExpression__Group_1__0();
+
+                    state._fsp--;
+
+
+                    }
+
+                     after(grammarAccess.getPrimaryExpressionAccess().getGroup_1()); 
+
+                    }
+
+
+                    }
+                    break;
+                case 3 :
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:454:6: ( ( rule__PrimaryExpression__Group_2__0 ) )
+                    {
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:454:6: ( ( rule__PrimaryExpression__Group_2__0 ) )
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:455:1: ( rule__PrimaryExpression__Group_2__0 )
+                    {
+                     before(grammarAccess.getPrimaryExpressionAccess().getGroup_2()); 
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:456:1: ( rule__PrimaryExpression__Group_2__0 )
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:456:2: rule__PrimaryExpression__Group_2__0
+                    {
+                    pushFollow(FOLLOW_rule__PrimaryExpression__Group_2__0_in_rule__PrimaryExpression__Alternatives919);
+                    rule__PrimaryExpression__Group_2__0();
+
+                    state._fsp--;
+
+
+                    }
+
+                     after(grammarAccess.getPrimaryExpressionAccess().getGroup_2()); 
+
+                    }
+
+
+                    }
+                    break;
+
+            }
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Alternatives"
+
+
+    // $ANTLR start "rule__Module__Group__0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:467:1: rule__Module__Group__0 : rule__Module__Group__0__Impl rule__Module__Group__1 ;
+    public final void rule__Module__Group__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:471:1: ( rule__Module__Group__0__Impl rule__Module__Group__1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:472:2: rule__Module__Group__0__Impl rule__Module__Group__1
+            {
+            pushFollow(FOLLOW_rule__Module__Group__0__Impl_in_rule__Module__Group__0950);
+            rule__Module__Group__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Module__Group__1_in_rule__Module__Group__0953);
+            rule__Module__Group__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Module__Group__0"
+
+
+    // $ANTLR start "rule__Module__Group__0__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:479:1: rule__Module__Group__0__Impl : ( 'module' ) ;
+    public final void rule__Module__Group__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:483:1: ( ( 'module' ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:484:1: ( 'module' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:484:1: ( 'module' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:485:1: 'module'
+            {
+             before(grammarAccess.getModuleAccess().getModuleKeyword_0()); 
+            match(input,12,FOLLOW_12_in_rule__Module__Group__0__Impl981); 
+             after(grammarAccess.getModuleAccess().getModuleKeyword_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Module__Group__0__Impl"
+
+
+    // $ANTLR start "rule__Module__Group__1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:498:1: rule__Module__Group__1 : rule__Module__Group__1__Impl rule__Module__Group__2 ;
+    public final void rule__Module__Group__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:502:1: ( rule__Module__Group__1__Impl rule__Module__Group__2 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:503:2: rule__Module__Group__1__Impl rule__Module__Group__2
+            {
+            pushFollow(FOLLOW_rule__Module__Group__1__Impl_in_rule__Module__Group__11012);
+            rule__Module__Group__1__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Module__Group__2_in_rule__Module__Group__11015);
+            rule__Module__Group__2();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Module__Group__1"
+
+
+    // $ANTLR start "rule__Module__Group__1__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:510:1: rule__Module__Group__1__Impl : ( ( rule__Module__NameAssignment_1 ) ) ;
+    public final void rule__Module__Group__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:514:1: ( ( ( rule__Module__NameAssignment_1 ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:515:1: ( ( rule__Module__NameAssignment_1 ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:515:1: ( ( rule__Module__NameAssignment_1 ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:516:1: ( rule__Module__NameAssignment_1 )
+            {
+             before(grammarAccess.getModuleAccess().getNameAssignment_1()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:517:1: ( rule__Module__NameAssignment_1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:517:2: rule__Module__NameAssignment_1
+            {
+            pushFollow(FOLLOW_rule__Module__NameAssignment_1_in_rule__Module__Group__1__Impl1042);
+            rule__Module__NameAssignment_1();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getModuleAccess().getNameAssignment_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Module__Group__1__Impl"
+
+
+    // $ANTLR start "rule__Module__Group__2"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:527:1: rule__Module__Group__2 : rule__Module__Group__2__Impl rule__Module__Group__3 ;
+    public final void rule__Module__Group__2() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:531:1: ( rule__Module__Group__2__Impl rule__Module__Group__3 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:532:2: rule__Module__Group__2__Impl rule__Module__Group__3
+            {
+            pushFollow(FOLLOW_rule__Module__Group__2__Impl_in_rule__Module__Group__21072);
+            rule__Module__Group__2__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Module__Group__3_in_rule__Module__Group__21075);
+            rule__Module__Group__3();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Module__Group__2"
+
+
+    // $ANTLR start "rule__Module__Group__2__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:539:1: rule__Module__Group__2__Impl : ( ( rule__Module__ImportsAssignment_2 )* ) ;
+    public final void rule__Module__Group__2__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:543:1: ( ( ( rule__Module__ImportsAssignment_2 )* ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:544:1: ( ( rule__Module__ImportsAssignment_2 )* )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:544:1: ( ( rule__Module__ImportsAssignment_2 )* )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:545:1: ( rule__Module__ImportsAssignment_2 )*
+            {
+             before(grammarAccess.getModuleAccess().getImportsAssignment_2()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:546:1: ( rule__Module__ImportsAssignment_2 )*
+            loop5:
+            do {
+                int alt5=2;
+                int LA5_0 = input.LA(1);
+
+                if ( (LA5_0==13) ) {
+                    alt5=1;
+                }
+
+
+                switch (alt5) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:546:2: rule__Module__ImportsAssignment_2
+            	    {
+            	    pushFollow(FOLLOW_rule__Module__ImportsAssignment_2_in_rule__Module__Group__2__Impl1102);
+            	    rule__Module__ImportsAssignment_2();
+
+            	    state._fsp--;
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop5;
+                }
+            } while (true);
+
+             after(grammarAccess.getModuleAccess().getImportsAssignment_2()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Module__Group__2__Impl"
+
+
+    // $ANTLR start "rule__Module__Group__3"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:556:1: rule__Module__Group__3 : rule__Module__Group__3__Impl ;
+    public final void rule__Module__Group__3() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:560:1: ( rule__Module__Group__3__Impl )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:561:2: rule__Module__Group__3__Impl
+            {
+            pushFollow(FOLLOW_rule__Module__Group__3__Impl_in_rule__Module__Group__31133);
+            rule__Module__Group__3__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Module__Group__3"
+
+
+    // $ANTLR start "rule__Module__Group__3__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:567:1: rule__Module__Group__3__Impl : ( ( rule__Module__StatementsAssignment_3 )* ) ;
+    public final void rule__Module__Group__3__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:571:1: ( ( ( rule__Module__StatementsAssignment_3 )* ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:572:1: ( ( rule__Module__StatementsAssignment_3 )* )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:572:1: ( ( rule__Module__StatementsAssignment_3 )* )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:573:1: ( rule__Module__StatementsAssignment_3 )*
+            {
+             before(grammarAccess.getModuleAccess().getStatementsAssignment_3()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:574:1: ( rule__Module__StatementsAssignment_3 )*
+            loop6:
+            do {
+                int alt6=2;
+                int LA6_0 = input.LA(1);
+
+                if ( ((LA6_0>=RULE_ID && LA6_0<=RULE_NUMBER)||LA6_0==16||LA6_0==19) ) {
+                    alt6=1;
+                }
+
+
+                switch (alt6) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:574:2: rule__Module__StatementsAssignment_3
+            	    {
+            	    pushFollow(FOLLOW_rule__Module__StatementsAssignment_3_in_rule__Module__Group__3__Impl1160);
+            	    rule__Module__StatementsAssignment_3();
+
+            	    state._fsp--;
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop6;
+                }
+            } while (true);
+
+             after(grammarAccess.getModuleAccess().getStatementsAssignment_3()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Module__Group__3__Impl"
+
+
+    // $ANTLR start "rule__Import__Group__0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:592:1: rule__Import__Group__0 : rule__Import__Group__0__Impl rule__Import__Group__1 ;
+    public final void rule__Import__Group__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:596:1: ( rule__Import__Group__0__Impl rule__Import__Group__1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:597:2: rule__Import__Group__0__Impl rule__Import__Group__1
+            {
+            pushFollow(FOLLOW_rule__Import__Group__0__Impl_in_rule__Import__Group__01199);
+            rule__Import__Group__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Import__Group__1_in_rule__Import__Group__01202);
+            rule__Import__Group__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Import__Group__0"
+
+
+    // $ANTLR start "rule__Import__Group__0__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:604:1: rule__Import__Group__0__Impl : ( 'import' ) ;
+    public final void rule__Import__Group__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:608:1: ( ( 'import' ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:609:1: ( 'import' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:609:1: ( 'import' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:610:1: 'import'
+            {
+             before(grammarAccess.getImportAccess().getImportKeyword_0()); 
+            match(input,13,FOLLOW_13_in_rule__Import__Group__0__Impl1230); 
+             after(grammarAccess.getImportAccess().getImportKeyword_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Import__Group__0__Impl"
+
+
+    // $ANTLR start "rule__Import__Group__1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:623:1: rule__Import__Group__1 : rule__Import__Group__1__Impl ;
+    public final void rule__Import__Group__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:627:1: ( rule__Import__Group__1__Impl )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:628:2: rule__Import__Group__1__Impl
+            {
+            pushFollow(FOLLOW_rule__Import__Group__1__Impl_in_rule__Import__Group__11261);
+            rule__Import__Group__1__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Import__Group__1"
+
+
+    // $ANTLR start "rule__Import__Group__1__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:634:1: rule__Import__Group__1__Impl : ( ( rule__Import__ImportedNamespaceAssignment_1 ) ) ;
+    public final void rule__Import__Group__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:638:1: ( ( ( rule__Import__ImportedNamespaceAssignment_1 ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:639:1: ( ( rule__Import__ImportedNamespaceAssignment_1 ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:639:1: ( ( rule__Import__ImportedNamespaceAssignment_1 ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:640:1: ( rule__Import__ImportedNamespaceAssignment_1 )
+            {
+             before(grammarAccess.getImportAccess().getImportedNamespaceAssignment_1()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:641:1: ( rule__Import__ImportedNamespaceAssignment_1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:641:2: rule__Import__ImportedNamespaceAssignment_1
+            {
+            pushFollow(FOLLOW_rule__Import__ImportedNamespaceAssignment_1_in_rule__Import__Group__1__Impl1288);
+            rule__Import__ImportedNamespaceAssignment_1();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getImportAccess().getImportedNamespaceAssignment_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Import__Group__1__Impl"
+
+
+    // $ANTLR start "rule__ImportName__Group__0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:655:1: rule__ImportName__Group__0 : rule__ImportName__Group__0__Impl rule__ImportName__Group__1 ;
+    public final void rule__ImportName__Group__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:659:1: ( rule__ImportName__Group__0__Impl rule__ImportName__Group__1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:660:2: rule__ImportName__Group__0__Impl rule__ImportName__Group__1
+            {
+            pushFollow(FOLLOW_rule__ImportName__Group__0__Impl_in_rule__ImportName__Group__01322);
+            rule__ImportName__Group__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__ImportName__Group__1_in_rule__ImportName__Group__01325);
+            rule__ImportName__Group__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__ImportName__Group__0"
+
+
+    // $ANTLR start "rule__ImportName__Group__0__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:667:1: rule__ImportName__Group__0__Impl : ( RULE_ID ) ;
+    public final void rule__ImportName__Group__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:671:1: ( ( RULE_ID ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:672:1: ( RULE_ID )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:672:1: ( RULE_ID )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:673:1: RULE_ID
+            {
+             before(grammarAccess.getImportNameAccess().getIDTerminalRuleCall_0()); 
+            match(input,RULE_ID,FOLLOW_RULE_ID_in_rule__ImportName__Group__0__Impl1352); 
+             after(grammarAccess.getImportNameAccess().getIDTerminalRuleCall_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__ImportName__Group__0__Impl"
+
+
+    // $ANTLR start "rule__ImportName__Group__1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:684:1: rule__ImportName__Group__1 : rule__ImportName__Group__1__Impl ;
+    public final void rule__ImportName__Group__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:688:1: ( rule__ImportName__Group__1__Impl )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:689:2: rule__ImportName__Group__1__Impl
+            {
+            pushFollow(FOLLOW_rule__ImportName__Group__1__Impl_in_rule__ImportName__Group__11381);
+            rule__ImportName__Group__1__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__ImportName__Group__1"
+
+
+    // $ANTLR start "rule__ImportName__Group__1__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:695:1: rule__ImportName__Group__1__Impl : ( ( rule__ImportName__Group_1__0 )? ) ;
+    public final void rule__ImportName__Group__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:699:1: ( ( ( rule__ImportName__Group_1__0 )? ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:700:1: ( ( rule__ImportName__Group_1__0 )? )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:700:1: ( ( rule__ImportName__Group_1__0 )? )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:701:1: ( rule__ImportName__Group_1__0 )?
+            {
+             before(grammarAccess.getImportNameAccess().getGroup_1()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:702:1: ( rule__ImportName__Group_1__0 )?
+            int alt7=2;
+            int LA7_0 = input.LA(1);
+
+            if ( (LA7_0==14) ) {
+                alt7=1;
+            }
+            switch (alt7) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:702:2: rule__ImportName__Group_1__0
+                    {
+                    pushFollow(FOLLOW_rule__ImportName__Group_1__0_in_rule__ImportName__Group__1__Impl1408);
+                    rule__ImportName__Group_1__0();
+
+                    state._fsp--;
+
+
+                    }
+                    break;
+
+            }
+
+             after(grammarAccess.getImportNameAccess().getGroup_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__ImportName__Group__1__Impl"
+
+
+    // $ANTLR start "rule__ImportName__Group_1__0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:716:1: rule__ImportName__Group_1__0 : rule__ImportName__Group_1__0__Impl rule__ImportName__Group_1__1 ;
+    public final void rule__ImportName__Group_1__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:720:1: ( rule__ImportName__Group_1__0__Impl rule__ImportName__Group_1__1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:721:2: rule__ImportName__Group_1__0__Impl rule__ImportName__Group_1__1
+            {
+            pushFollow(FOLLOW_rule__ImportName__Group_1__0__Impl_in_rule__ImportName__Group_1__01443);
+            rule__ImportName__Group_1__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__ImportName__Group_1__1_in_rule__ImportName__Group_1__01446);
+            rule__ImportName__Group_1__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__ImportName__Group_1__0"
+
+
+    // $ANTLR start "rule__ImportName__Group_1__0__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:728:1: rule__ImportName__Group_1__0__Impl : ( '.' ) ;
+    public final void rule__ImportName__Group_1__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:732:1: ( ( '.' ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:733:1: ( '.' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:733:1: ( '.' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:734:1: '.'
+            {
+             before(grammarAccess.getImportNameAccess().getFullStopKeyword_1_0()); 
+            match(input,14,FOLLOW_14_in_rule__ImportName__Group_1__0__Impl1474); 
+             after(grammarAccess.getImportNameAccess().getFullStopKeyword_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__ImportName__Group_1__0__Impl"
+
+
+    // $ANTLR start "rule__ImportName__Group_1__1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:747:1: rule__ImportName__Group_1__1 : rule__ImportName__Group_1__1__Impl ;
+    public final void rule__ImportName__Group_1__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:751:1: ( rule__ImportName__Group_1__1__Impl )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:752:2: rule__ImportName__Group_1__1__Impl
+            {
+            pushFollow(FOLLOW_rule__ImportName__Group_1__1__Impl_in_rule__ImportName__Group_1__11505);
+            rule__ImportName__Group_1__1__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__ImportName__Group_1__1"
+
+
+    // $ANTLR start "rule__ImportName__Group_1__1__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:758:1: rule__ImportName__Group_1__1__Impl : ( '*' ) ;
+    public final void rule__ImportName__Group_1__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:762:1: ( ( '*' ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:763:1: ( '*' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:763:1: ( '*' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:764:1: '*'
+            {
+             before(grammarAccess.getImportNameAccess().getAsteriskKeyword_1_1()); 
+            match(input,15,FOLLOW_15_in_rule__ImportName__Group_1__1__Impl1533); 
+             after(grammarAccess.getImportNameAccess().getAsteriskKeyword_1_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__ImportName__Group_1__1__Impl"
+
+
+    // $ANTLR start "rule__Definition__Group__0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:781:1: rule__Definition__Group__0 : rule__Definition__Group__0__Impl rule__Definition__Group__1 ;
+    public final void rule__Definition__Group__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:785:1: ( rule__Definition__Group__0__Impl rule__Definition__Group__1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:786:2: rule__Definition__Group__0__Impl rule__Definition__Group__1
+            {
+            pushFollow(FOLLOW_rule__Definition__Group__0__Impl_in_rule__Definition__Group__01568);
+            rule__Definition__Group__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Definition__Group__1_in_rule__Definition__Group__01571);
+            rule__Definition__Group__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group__0"
+
+
+    // $ANTLR start "rule__Definition__Group__0__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:793:1: rule__Definition__Group__0__Impl : ( 'def' ) ;
+    public final void rule__Definition__Group__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:797:1: ( ( 'def' ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:798:1: ( 'def' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:798:1: ( 'def' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:799:1: 'def'
+            {
+             before(grammarAccess.getDefinitionAccess().getDefKeyword_0()); 
+            match(input,16,FOLLOW_16_in_rule__Definition__Group__0__Impl1599); 
+             after(grammarAccess.getDefinitionAccess().getDefKeyword_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group__0__Impl"
+
+
+    // $ANTLR start "rule__Definition__Group__1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:812:1: rule__Definition__Group__1 : rule__Definition__Group__1__Impl rule__Definition__Group__2 ;
+    public final void rule__Definition__Group__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:816:1: ( rule__Definition__Group__1__Impl rule__Definition__Group__2 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:817:2: rule__Definition__Group__1__Impl rule__Definition__Group__2
+            {
+            pushFollow(FOLLOW_rule__Definition__Group__1__Impl_in_rule__Definition__Group__11630);
+            rule__Definition__Group__1__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Definition__Group__2_in_rule__Definition__Group__11633);
+            rule__Definition__Group__2();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group__1"
+
+
+    // $ANTLR start "rule__Definition__Group__1__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:824:1: rule__Definition__Group__1__Impl : ( ( rule__Definition__NameAssignment_1 ) ) ;
+    public final void rule__Definition__Group__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:828:1: ( ( ( rule__Definition__NameAssignment_1 ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:829:1: ( ( rule__Definition__NameAssignment_1 ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:829:1: ( ( rule__Definition__NameAssignment_1 ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:830:1: ( rule__Definition__NameAssignment_1 )
+            {
+             before(grammarAccess.getDefinitionAccess().getNameAssignment_1()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:831:1: ( rule__Definition__NameAssignment_1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:831:2: rule__Definition__NameAssignment_1
+            {
+            pushFollow(FOLLOW_rule__Definition__NameAssignment_1_in_rule__Definition__Group__1__Impl1660);
+            rule__Definition__NameAssignment_1();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getDefinitionAccess().getNameAssignment_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group__1__Impl"
+
+
+    // $ANTLR start "rule__Definition__Group__2"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:841:1: rule__Definition__Group__2 : rule__Definition__Group__2__Impl rule__Definition__Group__3 ;
+    public final void rule__Definition__Group__2() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:845:1: ( rule__Definition__Group__2__Impl rule__Definition__Group__3 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:846:2: rule__Definition__Group__2__Impl rule__Definition__Group__3
+            {
+            pushFollow(FOLLOW_rule__Definition__Group__2__Impl_in_rule__Definition__Group__21690);
+            rule__Definition__Group__2__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Definition__Group__3_in_rule__Definition__Group__21693);
+            rule__Definition__Group__3();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group__2"
+
+
+    // $ANTLR start "rule__Definition__Group__2__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:853:1: rule__Definition__Group__2__Impl : ( ( rule__Definition__Group_2__0 )? ) ;
+    public final void rule__Definition__Group__2__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:857:1: ( ( ( rule__Definition__Group_2__0 )? ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:858:1: ( ( rule__Definition__Group_2__0 )? )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:858:1: ( ( rule__Definition__Group_2__0 )? )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:859:1: ( rule__Definition__Group_2__0 )?
+            {
+             before(grammarAccess.getDefinitionAccess().getGroup_2()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:860:1: ( rule__Definition__Group_2__0 )?
+            int alt8=2;
+            int LA8_0 = input.LA(1);
+
+            if ( (LA8_0==19) ) {
+                alt8=1;
+            }
+            switch (alt8) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:860:2: rule__Definition__Group_2__0
+                    {
+                    pushFollow(FOLLOW_rule__Definition__Group_2__0_in_rule__Definition__Group__2__Impl1720);
+                    rule__Definition__Group_2__0();
+
+                    state._fsp--;
+
+
+                    }
+                    break;
+
+            }
+
+             after(grammarAccess.getDefinitionAccess().getGroup_2()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group__2__Impl"
+
+
+    // $ANTLR start "rule__Definition__Group__3"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:870:1: rule__Definition__Group__3 : rule__Definition__Group__3__Impl rule__Definition__Group__4 ;
+    public final void rule__Definition__Group__3() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:874:1: ( rule__Definition__Group__3__Impl rule__Definition__Group__4 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:875:2: rule__Definition__Group__3__Impl rule__Definition__Group__4
+            {
+            pushFollow(FOLLOW_rule__Definition__Group__3__Impl_in_rule__Definition__Group__31751);
+            rule__Definition__Group__3__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Definition__Group__4_in_rule__Definition__Group__31754);
+            rule__Definition__Group__4();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group__3"
+
+
+    // $ANTLR start "rule__Definition__Group__3__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:882:1: rule__Definition__Group__3__Impl : ( ':' ) ;
+    public final void rule__Definition__Group__3__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:886:1: ( ( ':' ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:887:1: ( ':' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:887:1: ( ':' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:888:1: ':'
+            {
+             before(grammarAccess.getDefinitionAccess().getColonKeyword_3()); 
+            match(input,17,FOLLOW_17_in_rule__Definition__Group__3__Impl1782); 
+             after(grammarAccess.getDefinitionAccess().getColonKeyword_3()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group__3__Impl"
+
+
+    // $ANTLR start "rule__Definition__Group__4"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:901:1: rule__Definition__Group__4 : rule__Definition__Group__4__Impl rule__Definition__Group__5 ;
+    public final void rule__Definition__Group__4() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:905:1: ( rule__Definition__Group__4__Impl rule__Definition__Group__5 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:906:2: rule__Definition__Group__4__Impl rule__Definition__Group__5
+            {
+            pushFollow(FOLLOW_rule__Definition__Group__4__Impl_in_rule__Definition__Group__41813);
+            rule__Definition__Group__4__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Definition__Group__5_in_rule__Definition__Group__41816);
+            rule__Definition__Group__5();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group__4"
+
+
+    // $ANTLR start "rule__Definition__Group__4__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:913:1: rule__Definition__Group__4__Impl : ( ( rule__Definition__ExprAssignment_4 ) ) ;
+    public final void rule__Definition__Group__4__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:917:1: ( ( ( rule__Definition__ExprAssignment_4 ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:918:1: ( ( rule__Definition__ExprAssignment_4 ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:918:1: ( ( rule__Definition__ExprAssignment_4 ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:919:1: ( rule__Definition__ExprAssignment_4 )
+            {
+             before(grammarAccess.getDefinitionAccess().getExprAssignment_4()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:920:1: ( rule__Definition__ExprAssignment_4 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:920:2: rule__Definition__ExprAssignment_4
+            {
+            pushFollow(FOLLOW_rule__Definition__ExprAssignment_4_in_rule__Definition__Group__4__Impl1843);
+            rule__Definition__ExprAssignment_4();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getDefinitionAccess().getExprAssignment_4()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group__4__Impl"
+
+
+    // $ANTLR start "rule__Definition__Group__5"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:930:1: rule__Definition__Group__5 : rule__Definition__Group__5__Impl ;
+    public final void rule__Definition__Group__5() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:934:1: ( rule__Definition__Group__5__Impl )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:935:2: rule__Definition__Group__5__Impl
+            {
+            pushFollow(FOLLOW_rule__Definition__Group__5__Impl_in_rule__Definition__Group__51873);
+            rule__Definition__Group__5__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group__5"
+
+
+    // $ANTLR start "rule__Definition__Group__5__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:941:1: rule__Definition__Group__5__Impl : ( ';' ) ;
+    public final void rule__Definition__Group__5__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:945:1: ( ( ';' ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:946:1: ( ';' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:946:1: ( ';' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:947:1: ';'
+            {
+             before(grammarAccess.getDefinitionAccess().getSemicolonKeyword_5()); 
+            match(input,18,FOLLOW_18_in_rule__Definition__Group__5__Impl1901); 
+             after(grammarAccess.getDefinitionAccess().getSemicolonKeyword_5()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group__5__Impl"
+
+
+    // $ANTLR start "rule__Definition__Group_2__0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:972:1: rule__Definition__Group_2__0 : rule__Definition__Group_2__0__Impl rule__Definition__Group_2__1 ;
+    public final void rule__Definition__Group_2__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:976:1: ( rule__Definition__Group_2__0__Impl rule__Definition__Group_2__1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:977:2: rule__Definition__Group_2__0__Impl rule__Definition__Group_2__1
+            {
+            pushFollow(FOLLOW_rule__Definition__Group_2__0__Impl_in_rule__Definition__Group_2__01944);
+            rule__Definition__Group_2__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Definition__Group_2__1_in_rule__Definition__Group_2__01947);
+            rule__Definition__Group_2__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group_2__0"
+
+
+    // $ANTLR start "rule__Definition__Group_2__0__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:984:1: rule__Definition__Group_2__0__Impl : ( '(' ) ;
+    public final void rule__Definition__Group_2__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:988:1: ( ( '(' ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:989:1: ( '(' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:989:1: ( '(' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:990:1: '('
+            {
+             before(grammarAccess.getDefinitionAccess().getLeftParenthesisKeyword_2_0()); 
+            match(input,19,FOLLOW_19_in_rule__Definition__Group_2__0__Impl1975); 
+             after(grammarAccess.getDefinitionAccess().getLeftParenthesisKeyword_2_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group_2__0__Impl"
+
+
+    // $ANTLR start "rule__Definition__Group_2__1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1003:1: rule__Definition__Group_2__1 : rule__Definition__Group_2__1__Impl rule__Definition__Group_2__2 ;
+    public final void rule__Definition__Group_2__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1007:1: ( rule__Definition__Group_2__1__Impl rule__Definition__Group_2__2 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1008:2: rule__Definition__Group_2__1__Impl rule__Definition__Group_2__2
+            {
+            pushFollow(FOLLOW_rule__Definition__Group_2__1__Impl_in_rule__Definition__Group_2__12006);
+            rule__Definition__Group_2__1__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Definition__Group_2__2_in_rule__Definition__Group_2__12009);
+            rule__Definition__Group_2__2();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group_2__1"
+
+
+    // $ANTLR start "rule__Definition__Group_2__1__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1015:1: rule__Definition__Group_2__1__Impl : ( ( rule__Definition__ArgsAssignment_2_1 ) ) ;
+    public final void rule__Definition__Group_2__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1019:1: ( ( ( rule__Definition__ArgsAssignment_2_1 ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1020:1: ( ( rule__Definition__ArgsAssignment_2_1 ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1020:1: ( ( rule__Definition__ArgsAssignment_2_1 ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1021:1: ( rule__Definition__ArgsAssignment_2_1 )
+            {
+             before(grammarAccess.getDefinitionAccess().getArgsAssignment_2_1()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1022:1: ( rule__Definition__ArgsAssignment_2_1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1022:2: rule__Definition__ArgsAssignment_2_1
+            {
+            pushFollow(FOLLOW_rule__Definition__ArgsAssignment_2_1_in_rule__Definition__Group_2__1__Impl2036);
+            rule__Definition__ArgsAssignment_2_1();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getDefinitionAccess().getArgsAssignment_2_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group_2__1__Impl"
+
+
+    // $ANTLR start "rule__Definition__Group_2__2"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1032:1: rule__Definition__Group_2__2 : rule__Definition__Group_2__2__Impl rule__Definition__Group_2__3 ;
+    public final void rule__Definition__Group_2__2() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1036:1: ( rule__Definition__Group_2__2__Impl rule__Definition__Group_2__3 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1037:2: rule__Definition__Group_2__2__Impl rule__Definition__Group_2__3
+            {
+            pushFollow(FOLLOW_rule__Definition__Group_2__2__Impl_in_rule__Definition__Group_2__22066);
+            rule__Definition__Group_2__2__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Definition__Group_2__3_in_rule__Definition__Group_2__22069);
+            rule__Definition__Group_2__3();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group_2__2"
+
+
+    // $ANTLR start "rule__Definition__Group_2__2__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1044:1: rule__Definition__Group_2__2__Impl : ( ( rule__Definition__Group_2_2__0 )* ) ;
+    public final void rule__Definition__Group_2__2__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1048:1: ( ( ( rule__Definition__Group_2_2__0 )* ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1049:1: ( ( rule__Definition__Group_2_2__0 )* )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1049:1: ( ( rule__Definition__Group_2_2__0 )* )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1050:1: ( rule__Definition__Group_2_2__0 )*
+            {
+             before(grammarAccess.getDefinitionAccess().getGroup_2_2()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1051:1: ( rule__Definition__Group_2_2__0 )*
+            loop9:
+            do {
+                int alt9=2;
+                int LA9_0 = input.LA(1);
+
+                if ( (LA9_0==21) ) {
+                    alt9=1;
+                }
+
+
+                switch (alt9) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1051:2: rule__Definition__Group_2_2__0
+            	    {
+            	    pushFollow(FOLLOW_rule__Definition__Group_2_2__0_in_rule__Definition__Group_2__2__Impl2096);
+            	    rule__Definition__Group_2_2__0();
+
+            	    state._fsp--;
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop9;
+                }
+            } while (true);
+
+             after(grammarAccess.getDefinitionAccess().getGroup_2_2()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group_2__2__Impl"
+
+
+    // $ANTLR start "rule__Definition__Group_2__3"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1061:1: rule__Definition__Group_2__3 : rule__Definition__Group_2__3__Impl ;
+    public final void rule__Definition__Group_2__3() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1065:1: ( rule__Definition__Group_2__3__Impl )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1066:2: rule__Definition__Group_2__3__Impl
+            {
+            pushFollow(FOLLOW_rule__Definition__Group_2__3__Impl_in_rule__Definition__Group_2__32127);
+            rule__Definition__Group_2__3__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group_2__3"
+
+
+    // $ANTLR start "rule__Definition__Group_2__3__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1072:1: rule__Definition__Group_2__3__Impl : ( ')' ) ;
+    public final void rule__Definition__Group_2__3__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1076:1: ( ( ')' ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1077:1: ( ')' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1077:1: ( ')' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1078:1: ')'
+            {
+             before(grammarAccess.getDefinitionAccess().getRightParenthesisKeyword_2_3()); 
+            match(input,20,FOLLOW_20_in_rule__Definition__Group_2__3__Impl2155); 
+             after(grammarAccess.getDefinitionAccess().getRightParenthesisKeyword_2_3()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group_2__3__Impl"
+
+
+    // $ANTLR start "rule__Definition__Group_2_2__0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1099:1: rule__Definition__Group_2_2__0 : rule__Definition__Group_2_2__0__Impl rule__Definition__Group_2_2__1 ;
+    public final void rule__Definition__Group_2_2__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1103:1: ( rule__Definition__Group_2_2__0__Impl rule__Definition__Group_2_2__1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1104:2: rule__Definition__Group_2_2__0__Impl rule__Definition__Group_2_2__1
+            {
+            pushFollow(FOLLOW_rule__Definition__Group_2_2__0__Impl_in_rule__Definition__Group_2_2__02194);
+            rule__Definition__Group_2_2__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Definition__Group_2_2__1_in_rule__Definition__Group_2_2__02197);
+            rule__Definition__Group_2_2__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group_2_2__0"
+
+
+    // $ANTLR start "rule__Definition__Group_2_2__0__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1111:1: rule__Definition__Group_2_2__0__Impl : ( ',' ) ;
+    public final void rule__Definition__Group_2_2__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1115:1: ( ( ',' ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1116:1: ( ',' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1116:1: ( ',' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1117:1: ','
+            {
+             before(grammarAccess.getDefinitionAccess().getCommaKeyword_2_2_0()); 
+            match(input,21,FOLLOW_21_in_rule__Definition__Group_2_2__0__Impl2225); 
+             after(grammarAccess.getDefinitionAccess().getCommaKeyword_2_2_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group_2_2__0__Impl"
+
+
+    // $ANTLR start "rule__Definition__Group_2_2__1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1130:1: rule__Definition__Group_2_2__1 : rule__Definition__Group_2_2__1__Impl ;
+    public final void rule__Definition__Group_2_2__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1134:1: ( rule__Definition__Group_2_2__1__Impl )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1135:2: rule__Definition__Group_2_2__1__Impl
+            {
+            pushFollow(FOLLOW_rule__Definition__Group_2_2__1__Impl_in_rule__Definition__Group_2_2__12256);
+            rule__Definition__Group_2_2__1__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group_2_2__1"
+
+
+    // $ANTLR start "rule__Definition__Group_2_2__1__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1141:1: rule__Definition__Group_2_2__1__Impl : ( ( rule__Definition__ArgsAssignment_2_2_1 ) ) ;
+    public final void rule__Definition__Group_2_2__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1145:1: ( ( ( rule__Definition__ArgsAssignment_2_2_1 ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1146:1: ( ( rule__Definition__ArgsAssignment_2_2_1 ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1146:1: ( ( rule__Definition__ArgsAssignment_2_2_1 ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1147:1: ( rule__Definition__ArgsAssignment_2_2_1 )
+            {
+             before(grammarAccess.getDefinitionAccess().getArgsAssignment_2_2_1()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1148:1: ( rule__Definition__ArgsAssignment_2_2_1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1148:2: rule__Definition__ArgsAssignment_2_2_1
+            {
+            pushFollow(FOLLOW_rule__Definition__ArgsAssignment_2_2_1_in_rule__Definition__Group_2_2__1__Impl2283);
+            rule__Definition__ArgsAssignment_2_2_1();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getDefinitionAccess().getArgsAssignment_2_2_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__Group_2_2__1__Impl"
+
+
+    // $ANTLR start "rule__Evaluation__Group__0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1162:1: rule__Evaluation__Group__0 : rule__Evaluation__Group__0__Impl rule__Evaluation__Group__1 ;
+    public final void rule__Evaluation__Group__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1166:1: ( rule__Evaluation__Group__0__Impl rule__Evaluation__Group__1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1167:2: rule__Evaluation__Group__0__Impl rule__Evaluation__Group__1
+            {
+            pushFollow(FOLLOW_rule__Evaluation__Group__0__Impl_in_rule__Evaluation__Group__02317);
+            rule__Evaluation__Group__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Evaluation__Group__1_in_rule__Evaluation__Group__02320);
+            rule__Evaluation__Group__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Evaluation__Group__0"
+
+
+    // $ANTLR start "rule__Evaluation__Group__0__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1174:1: rule__Evaluation__Group__0__Impl : ( ( rule__Evaluation__ExpressionAssignment_0 ) ) ;
+    public final void rule__Evaluation__Group__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1178:1: ( ( ( rule__Evaluation__ExpressionAssignment_0 ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1179:1: ( ( rule__Evaluation__ExpressionAssignment_0 ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1179:1: ( ( rule__Evaluation__ExpressionAssignment_0 ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1180:1: ( rule__Evaluation__ExpressionAssignment_0 )
+            {
+             before(grammarAccess.getEvaluationAccess().getExpressionAssignment_0()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1181:1: ( rule__Evaluation__ExpressionAssignment_0 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1181:2: rule__Evaluation__ExpressionAssignment_0
+            {
+            pushFollow(FOLLOW_rule__Evaluation__ExpressionAssignment_0_in_rule__Evaluation__Group__0__Impl2347);
+            rule__Evaluation__ExpressionAssignment_0();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getEvaluationAccess().getExpressionAssignment_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Evaluation__Group__0__Impl"
+
+
+    // $ANTLR start "rule__Evaluation__Group__1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1191:1: rule__Evaluation__Group__1 : rule__Evaluation__Group__1__Impl ;
+    public final void rule__Evaluation__Group__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1195:1: ( rule__Evaluation__Group__1__Impl )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1196:2: rule__Evaluation__Group__1__Impl
+            {
+            pushFollow(FOLLOW_rule__Evaluation__Group__1__Impl_in_rule__Evaluation__Group__12377);
+            rule__Evaluation__Group__1__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Evaluation__Group__1"
+
+
+    // $ANTLR start "rule__Evaluation__Group__1__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1202:1: rule__Evaluation__Group__1__Impl : ( ';' ) ;
+    public final void rule__Evaluation__Group__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1206:1: ( ( ';' ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1207:1: ( ';' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1207:1: ( ';' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1208:1: ';'
+            {
+             before(grammarAccess.getEvaluationAccess().getSemicolonKeyword_1()); 
+            match(input,18,FOLLOW_18_in_rule__Evaluation__Group__1__Impl2405); 
+             after(grammarAccess.getEvaluationAccess().getSemicolonKeyword_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Evaluation__Group__1__Impl"
+
+
+    // $ANTLR start "rule__Addition__Group__0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1225:1: rule__Addition__Group__0 : rule__Addition__Group__0__Impl rule__Addition__Group__1 ;
+    public final void rule__Addition__Group__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1229:1: ( rule__Addition__Group__0__Impl rule__Addition__Group__1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1230:2: rule__Addition__Group__0__Impl rule__Addition__Group__1
+            {
+            pushFollow(FOLLOW_rule__Addition__Group__0__Impl_in_rule__Addition__Group__02440);
+            rule__Addition__Group__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Addition__Group__1_in_rule__Addition__Group__02443);
+            rule__Addition__Group__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Addition__Group__0"
+
+
+    // $ANTLR start "rule__Addition__Group__0__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1237:1: rule__Addition__Group__0__Impl : ( ruleMultiplication ) ;
+    public final void rule__Addition__Group__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1241:1: ( ( ruleMultiplication ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1242:1: ( ruleMultiplication )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1242:1: ( ruleMultiplication )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1243:1: ruleMultiplication
+            {
+             before(grammarAccess.getAdditionAccess().getMultiplicationParserRuleCall_0()); 
+            pushFollow(FOLLOW_ruleMultiplication_in_rule__Addition__Group__0__Impl2470);
+            ruleMultiplication();
+
+            state._fsp--;
+
+             after(grammarAccess.getAdditionAccess().getMultiplicationParserRuleCall_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Addition__Group__0__Impl"
+
+
+    // $ANTLR start "rule__Addition__Group__1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1254:1: rule__Addition__Group__1 : rule__Addition__Group__1__Impl ;
+    public final void rule__Addition__Group__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1258:1: ( rule__Addition__Group__1__Impl )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1259:2: rule__Addition__Group__1__Impl
+            {
+            pushFollow(FOLLOW_rule__Addition__Group__1__Impl_in_rule__Addition__Group__12499);
+            rule__Addition__Group__1__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Addition__Group__1"
+
+
+    // $ANTLR start "rule__Addition__Group__1__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1265:1: rule__Addition__Group__1__Impl : ( ( rule__Addition__Group_1__0 )* ) ;
+    public final void rule__Addition__Group__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1269:1: ( ( ( rule__Addition__Group_1__0 )* ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1270:1: ( ( rule__Addition__Group_1__0 )* )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1270:1: ( ( rule__Addition__Group_1__0 )* )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1271:1: ( rule__Addition__Group_1__0 )*
+            {
+             before(grammarAccess.getAdditionAccess().getGroup_1()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1272:1: ( rule__Addition__Group_1__0 )*
+            loop10:
+            do {
+                int alt10=2;
+                int LA10_0 = input.LA(1);
+
+                if ( ((LA10_0>=22 && LA10_0<=23)) ) {
+                    alt10=1;
+                }
+
+
+                switch (alt10) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1272:2: rule__Addition__Group_1__0
+            	    {
+            	    pushFollow(FOLLOW_rule__Addition__Group_1__0_in_rule__Addition__Group__1__Impl2526);
+            	    rule__Addition__Group_1__0();
+
+            	    state._fsp--;
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop10;
+                }
+            } while (true);
+
+             after(grammarAccess.getAdditionAccess().getGroup_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Addition__Group__1__Impl"
+
+
+    // $ANTLR start "rule__Addition__Group_1__0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1286:1: rule__Addition__Group_1__0 : rule__Addition__Group_1__0__Impl rule__Addition__Group_1__1 ;
+    public final void rule__Addition__Group_1__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1290:1: ( rule__Addition__Group_1__0__Impl rule__Addition__Group_1__1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1291:2: rule__Addition__Group_1__0__Impl rule__Addition__Group_1__1
+            {
+            pushFollow(FOLLOW_rule__Addition__Group_1__0__Impl_in_rule__Addition__Group_1__02561);
+            rule__Addition__Group_1__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Addition__Group_1__1_in_rule__Addition__Group_1__02564);
+            rule__Addition__Group_1__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Addition__Group_1__0"
+
+
+    // $ANTLR start "rule__Addition__Group_1__0__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1298:1: rule__Addition__Group_1__0__Impl : ( ( rule__Addition__Alternatives_1_0 ) ) ;
+    public final void rule__Addition__Group_1__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1302:1: ( ( ( rule__Addition__Alternatives_1_0 ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1303:1: ( ( rule__Addition__Alternatives_1_0 ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1303:1: ( ( rule__Addition__Alternatives_1_0 ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1304:1: ( rule__Addition__Alternatives_1_0 )
+            {
+             before(grammarAccess.getAdditionAccess().getAlternatives_1_0()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1305:1: ( rule__Addition__Alternatives_1_0 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1305:2: rule__Addition__Alternatives_1_0
+            {
+            pushFollow(FOLLOW_rule__Addition__Alternatives_1_0_in_rule__Addition__Group_1__0__Impl2591);
+            rule__Addition__Alternatives_1_0();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getAdditionAccess().getAlternatives_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Addition__Group_1__0__Impl"
+
+
+    // $ANTLR start "rule__Addition__Group_1__1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1315:1: rule__Addition__Group_1__1 : rule__Addition__Group_1__1__Impl ;
+    public final void rule__Addition__Group_1__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1319:1: ( rule__Addition__Group_1__1__Impl )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1320:2: rule__Addition__Group_1__1__Impl
+            {
+            pushFollow(FOLLOW_rule__Addition__Group_1__1__Impl_in_rule__Addition__Group_1__12621);
+            rule__Addition__Group_1__1__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Addition__Group_1__1"
+
+
+    // $ANTLR start "rule__Addition__Group_1__1__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1326:1: rule__Addition__Group_1__1__Impl : ( ( rule__Addition__RightAssignment_1_1 ) ) ;
+    public final void rule__Addition__Group_1__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1330:1: ( ( ( rule__Addition__RightAssignment_1_1 ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1331:1: ( ( rule__Addition__RightAssignment_1_1 ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1331:1: ( ( rule__Addition__RightAssignment_1_1 ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1332:1: ( rule__Addition__RightAssignment_1_1 )
+            {
+             before(grammarAccess.getAdditionAccess().getRightAssignment_1_1()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1333:1: ( rule__Addition__RightAssignment_1_1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1333:2: rule__Addition__RightAssignment_1_1
+            {
+            pushFollow(FOLLOW_rule__Addition__RightAssignment_1_1_in_rule__Addition__Group_1__1__Impl2648);
+            rule__Addition__RightAssignment_1_1();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getAdditionAccess().getRightAssignment_1_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Addition__Group_1__1__Impl"
+
+
+    // $ANTLR start "rule__Addition__Group_1_0_0__0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1347:1: rule__Addition__Group_1_0_0__0 : rule__Addition__Group_1_0_0__0__Impl rule__Addition__Group_1_0_0__1 ;
+    public final void rule__Addition__Group_1_0_0__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1351:1: ( rule__Addition__Group_1_0_0__0__Impl rule__Addition__Group_1_0_0__1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1352:2: rule__Addition__Group_1_0_0__0__Impl rule__Addition__Group_1_0_0__1
+            {
+            pushFollow(FOLLOW_rule__Addition__Group_1_0_0__0__Impl_in_rule__Addition__Group_1_0_0__02682);
+            rule__Addition__Group_1_0_0__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Addition__Group_1_0_0__1_in_rule__Addition__Group_1_0_0__02685);
+            rule__Addition__Group_1_0_0__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Addition__Group_1_0_0__0"
+
+
+    // $ANTLR start "rule__Addition__Group_1_0_0__0__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1359:1: rule__Addition__Group_1_0_0__0__Impl : ( () ) ;
+    public final void rule__Addition__Group_1_0_0__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1363:1: ( ( () ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1364:1: ( () )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1364:1: ( () )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1365:1: ()
+            {
+             before(grammarAccess.getAdditionAccess().getPlusLeftAction_1_0_0_0()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1366:1: ()
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1368:1: 
+            {
+            }
+
+             after(grammarAccess.getAdditionAccess().getPlusLeftAction_1_0_0_0()); 
+
+            }
+
+
+            }
+
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Addition__Group_1_0_0__0__Impl"
+
+
+    // $ANTLR start "rule__Addition__Group_1_0_0__1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1378:1: rule__Addition__Group_1_0_0__1 : rule__Addition__Group_1_0_0__1__Impl ;
+    public final void rule__Addition__Group_1_0_0__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1382:1: ( rule__Addition__Group_1_0_0__1__Impl )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1383:2: rule__Addition__Group_1_0_0__1__Impl
+            {
+            pushFollow(FOLLOW_rule__Addition__Group_1_0_0__1__Impl_in_rule__Addition__Group_1_0_0__12743);
+            rule__Addition__Group_1_0_0__1__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Addition__Group_1_0_0__1"
+
+
+    // $ANTLR start "rule__Addition__Group_1_0_0__1__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1389:1: rule__Addition__Group_1_0_0__1__Impl : ( '+' ) ;
+    public final void rule__Addition__Group_1_0_0__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1393:1: ( ( '+' ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1394:1: ( '+' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1394:1: ( '+' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1395:1: '+'
+            {
+             before(grammarAccess.getAdditionAccess().getPlusSignKeyword_1_0_0_1()); 
+            match(input,22,FOLLOW_22_in_rule__Addition__Group_1_0_0__1__Impl2771); 
+             after(grammarAccess.getAdditionAccess().getPlusSignKeyword_1_0_0_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Addition__Group_1_0_0__1__Impl"
+
+
+    // $ANTLR start "rule__Addition__Group_1_0_1__0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1412:1: rule__Addition__Group_1_0_1__0 : rule__Addition__Group_1_0_1__0__Impl rule__Addition__Group_1_0_1__1 ;
+    public final void rule__Addition__Group_1_0_1__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1416:1: ( rule__Addition__Group_1_0_1__0__Impl rule__Addition__Group_1_0_1__1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1417:2: rule__Addition__Group_1_0_1__0__Impl rule__Addition__Group_1_0_1__1
+            {
+            pushFollow(FOLLOW_rule__Addition__Group_1_0_1__0__Impl_in_rule__Addition__Group_1_0_1__02806);
+            rule__Addition__Group_1_0_1__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Addition__Group_1_0_1__1_in_rule__Addition__Group_1_0_1__02809);
+            rule__Addition__Group_1_0_1__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Addition__Group_1_0_1__0"
+
+
+    // $ANTLR start "rule__Addition__Group_1_0_1__0__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1424:1: rule__Addition__Group_1_0_1__0__Impl : ( () ) ;
+    public final void rule__Addition__Group_1_0_1__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1428:1: ( ( () ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1429:1: ( () )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1429:1: ( () )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1430:1: ()
+            {
+             before(grammarAccess.getAdditionAccess().getMinusLeftAction_1_0_1_0()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1431:1: ()
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1433:1: 
+            {
+            }
+
+             after(grammarAccess.getAdditionAccess().getMinusLeftAction_1_0_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Addition__Group_1_0_1__0__Impl"
+
+
+    // $ANTLR start "rule__Addition__Group_1_0_1__1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1443:1: rule__Addition__Group_1_0_1__1 : rule__Addition__Group_1_0_1__1__Impl ;
+    public final void rule__Addition__Group_1_0_1__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1447:1: ( rule__Addition__Group_1_0_1__1__Impl )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1448:2: rule__Addition__Group_1_0_1__1__Impl
+            {
+            pushFollow(FOLLOW_rule__Addition__Group_1_0_1__1__Impl_in_rule__Addition__Group_1_0_1__12867);
+            rule__Addition__Group_1_0_1__1__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Addition__Group_1_0_1__1"
+
+
+    // $ANTLR start "rule__Addition__Group_1_0_1__1__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1454:1: rule__Addition__Group_1_0_1__1__Impl : ( '-' ) ;
+    public final void rule__Addition__Group_1_0_1__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1458:1: ( ( '-' ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1459:1: ( '-' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1459:1: ( '-' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1460:1: '-'
+            {
+             before(grammarAccess.getAdditionAccess().getHyphenMinusKeyword_1_0_1_1()); 
+            match(input,23,FOLLOW_23_in_rule__Addition__Group_1_0_1__1__Impl2895); 
+             after(grammarAccess.getAdditionAccess().getHyphenMinusKeyword_1_0_1_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Addition__Group_1_0_1__1__Impl"
+
+
+    // $ANTLR start "rule__Multiplication__Group__0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1477:1: rule__Multiplication__Group__0 : rule__Multiplication__Group__0__Impl rule__Multiplication__Group__1 ;
+    public final void rule__Multiplication__Group__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1481:1: ( rule__Multiplication__Group__0__Impl rule__Multiplication__Group__1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1482:2: rule__Multiplication__Group__0__Impl rule__Multiplication__Group__1
+            {
+            pushFollow(FOLLOW_rule__Multiplication__Group__0__Impl_in_rule__Multiplication__Group__02930);
+            rule__Multiplication__Group__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Multiplication__Group__1_in_rule__Multiplication__Group__02933);
+            rule__Multiplication__Group__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Multiplication__Group__0"
+
+
+    // $ANTLR start "rule__Multiplication__Group__0__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1489:1: rule__Multiplication__Group__0__Impl : ( rulePrimaryExpression ) ;
+    public final void rule__Multiplication__Group__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1493:1: ( ( rulePrimaryExpression ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1494:1: ( rulePrimaryExpression )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1494:1: ( rulePrimaryExpression )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1495:1: rulePrimaryExpression
+            {
+             before(grammarAccess.getMultiplicationAccess().getPrimaryExpressionParserRuleCall_0()); 
+            pushFollow(FOLLOW_rulePrimaryExpression_in_rule__Multiplication__Group__0__Impl2960);
+            rulePrimaryExpression();
+
+            state._fsp--;
+
+             after(grammarAccess.getMultiplicationAccess().getPrimaryExpressionParserRuleCall_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Multiplication__Group__0__Impl"
+
+
+    // $ANTLR start "rule__Multiplication__Group__1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1506:1: rule__Multiplication__Group__1 : rule__Multiplication__Group__1__Impl ;
+    public final void rule__Multiplication__Group__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1510:1: ( rule__Multiplication__Group__1__Impl )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1511:2: rule__Multiplication__Group__1__Impl
+            {
+            pushFollow(FOLLOW_rule__Multiplication__Group__1__Impl_in_rule__Multiplication__Group__12989);
+            rule__Multiplication__Group__1__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Multiplication__Group__1"
+
+
+    // $ANTLR start "rule__Multiplication__Group__1__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1517:1: rule__Multiplication__Group__1__Impl : ( ( rule__Multiplication__Group_1__0 )* ) ;
+    public final void rule__Multiplication__Group__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1521:1: ( ( ( rule__Multiplication__Group_1__0 )* ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1522:1: ( ( rule__Multiplication__Group_1__0 )* )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1522:1: ( ( rule__Multiplication__Group_1__0 )* )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1523:1: ( rule__Multiplication__Group_1__0 )*
+            {
+             before(grammarAccess.getMultiplicationAccess().getGroup_1()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1524:1: ( rule__Multiplication__Group_1__0 )*
+            loop11:
+            do {
+                int alt11=2;
+                int LA11_0 = input.LA(1);
+
+                if ( (LA11_0==15||LA11_0==24) ) {
+                    alt11=1;
+                }
+
+
+                switch (alt11) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1524:2: rule__Multiplication__Group_1__0
+            	    {
+            	    pushFollow(FOLLOW_rule__Multiplication__Group_1__0_in_rule__Multiplication__Group__1__Impl3016);
+            	    rule__Multiplication__Group_1__0();
+
+            	    state._fsp--;
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop11;
+                }
+            } while (true);
+
+             after(grammarAccess.getMultiplicationAccess().getGroup_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Multiplication__Group__1__Impl"
+
+
+    // $ANTLR start "rule__Multiplication__Group_1__0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1538:1: rule__Multiplication__Group_1__0 : rule__Multiplication__Group_1__0__Impl rule__Multiplication__Group_1__1 ;
+    public final void rule__Multiplication__Group_1__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1542:1: ( rule__Multiplication__Group_1__0__Impl rule__Multiplication__Group_1__1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1543:2: rule__Multiplication__Group_1__0__Impl rule__Multiplication__Group_1__1
+            {
+            pushFollow(FOLLOW_rule__Multiplication__Group_1__0__Impl_in_rule__Multiplication__Group_1__03051);
+            rule__Multiplication__Group_1__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Multiplication__Group_1__1_in_rule__Multiplication__Group_1__03054);
+            rule__Multiplication__Group_1__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Multiplication__Group_1__0"
+
+
+    // $ANTLR start "rule__Multiplication__Group_1__0__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1550:1: rule__Multiplication__Group_1__0__Impl : ( ( rule__Multiplication__Alternatives_1_0 ) ) ;
+    public final void rule__Multiplication__Group_1__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1554:1: ( ( ( rule__Multiplication__Alternatives_1_0 ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1555:1: ( ( rule__Multiplication__Alternatives_1_0 ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1555:1: ( ( rule__Multiplication__Alternatives_1_0 ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1556:1: ( rule__Multiplication__Alternatives_1_0 )
+            {
+             before(grammarAccess.getMultiplicationAccess().getAlternatives_1_0()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1557:1: ( rule__Multiplication__Alternatives_1_0 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1557:2: rule__Multiplication__Alternatives_1_0
+            {
+            pushFollow(FOLLOW_rule__Multiplication__Alternatives_1_0_in_rule__Multiplication__Group_1__0__Impl3081);
+            rule__Multiplication__Alternatives_1_0();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getMultiplicationAccess().getAlternatives_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Multiplication__Group_1__0__Impl"
+
+
+    // $ANTLR start "rule__Multiplication__Group_1__1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1567:1: rule__Multiplication__Group_1__1 : rule__Multiplication__Group_1__1__Impl ;
+    public final void rule__Multiplication__Group_1__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1571:1: ( rule__Multiplication__Group_1__1__Impl )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1572:2: rule__Multiplication__Group_1__1__Impl
+            {
+            pushFollow(FOLLOW_rule__Multiplication__Group_1__1__Impl_in_rule__Multiplication__Group_1__13111);
+            rule__Multiplication__Group_1__1__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Multiplication__Group_1__1"
+
+
+    // $ANTLR start "rule__Multiplication__Group_1__1__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1578:1: rule__Multiplication__Group_1__1__Impl : ( ( rule__Multiplication__RightAssignment_1_1 ) ) ;
+    public final void rule__Multiplication__Group_1__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1582:1: ( ( ( rule__Multiplication__RightAssignment_1_1 ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1583:1: ( ( rule__Multiplication__RightAssignment_1_1 ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1583:1: ( ( rule__Multiplication__RightAssignment_1_1 ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1584:1: ( rule__Multiplication__RightAssignment_1_1 )
+            {
+             before(grammarAccess.getMultiplicationAccess().getRightAssignment_1_1()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1585:1: ( rule__Multiplication__RightAssignment_1_1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1585:2: rule__Multiplication__RightAssignment_1_1
+            {
+            pushFollow(FOLLOW_rule__Multiplication__RightAssignment_1_1_in_rule__Multiplication__Group_1__1__Impl3138);
+            rule__Multiplication__RightAssignment_1_1();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getMultiplicationAccess().getRightAssignment_1_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Multiplication__Group_1__1__Impl"
+
+
+    // $ANTLR start "rule__Multiplication__Group_1_0_0__0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1599:1: rule__Multiplication__Group_1_0_0__0 : rule__Multiplication__Group_1_0_0__0__Impl rule__Multiplication__Group_1_0_0__1 ;
+    public final void rule__Multiplication__Group_1_0_0__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1603:1: ( rule__Multiplication__Group_1_0_0__0__Impl rule__Multiplication__Group_1_0_0__1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1604:2: rule__Multiplication__Group_1_0_0__0__Impl rule__Multiplication__Group_1_0_0__1
+            {
+            pushFollow(FOLLOW_rule__Multiplication__Group_1_0_0__0__Impl_in_rule__Multiplication__Group_1_0_0__03172);
+            rule__Multiplication__Group_1_0_0__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Multiplication__Group_1_0_0__1_in_rule__Multiplication__Group_1_0_0__03175);
+            rule__Multiplication__Group_1_0_0__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Multiplication__Group_1_0_0__0"
+
+
+    // $ANTLR start "rule__Multiplication__Group_1_0_0__0__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1611:1: rule__Multiplication__Group_1_0_0__0__Impl : ( () ) ;
+    public final void rule__Multiplication__Group_1_0_0__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1615:1: ( ( () ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1616:1: ( () )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1616:1: ( () )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1617:1: ()
+            {
+             before(grammarAccess.getMultiplicationAccess().getMultiLeftAction_1_0_0_0()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1618:1: ()
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1620:1: 
+            {
+            }
+
+             after(grammarAccess.getMultiplicationAccess().getMultiLeftAction_1_0_0_0()); 
+
+            }
+
+
+            }
+
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Multiplication__Group_1_0_0__0__Impl"
+
+
+    // $ANTLR start "rule__Multiplication__Group_1_0_0__1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1630:1: rule__Multiplication__Group_1_0_0__1 : rule__Multiplication__Group_1_0_0__1__Impl ;
+    public final void rule__Multiplication__Group_1_0_0__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1634:1: ( rule__Multiplication__Group_1_0_0__1__Impl )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1635:2: rule__Multiplication__Group_1_0_0__1__Impl
+            {
+            pushFollow(FOLLOW_rule__Multiplication__Group_1_0_0__1__Impl_in_rule__Multiplication__Group_1_0_0__13233);
+            rule__Multiplication__Group_1_0_0__1__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Multiplication__Group_1_0_0__1"
+
+
+    // $ANTLR start "rule__Multiplication__Group_1_0_0__1__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1641:1: rule__Multiplication__Group_1_0_0__1__Impl : ( '*' ) ;
+    public final void rule__Multiplication__Group_1_0_0__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1645:1: ( ( '*' ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1646:1: ( '*' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1646:1: ( '*' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1647:1: '*'
+            {
+             before(grammarAccess.getMultiplicationAccess().getAsteriskKeyword_1_0_0_1()); 
+            match(input,15,FOLLOW_15_in_rule__Multiplication__Group_1_0_0__1__Impl3261); 
+             after(grammarAccess.getMultiplicationAccess().getAsteriskKeyword_1_0_0_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Multiplication__Group_1_0_0__1__Impl"
+
+
+    // $ANTLR start "rule__Multiplication__Group_1_0_1__0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1664:1: rule__Multiplication__Group_1_0_1__0 : rule__Multiplication__Group_1_0_1__0__Impl rule__Multiplication__Group_1_0_1__1 ;
+    public final void rule__Multiplication__Group_1_0_1__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1668:1: ( rule__Multiplication__Group_1_0_1__0__Impl rule__Multiplication__Group_1_0_1__1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1669:2: rule__Multiplication__Group_1_0_1__0__Impl rule__Multiplication__Group_1_0_1__1
+            {
+            pushFollow(FOLLOW_rule__Multiplication__Group_1_0_1__0__Impl_in_rule__Multiplication__Group_1_0_1__03296);
+            rule__Multiplication__Group_1_0_1__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Multiplication__Group_1_0_1__1_in_rule__Multiplication__Group_1_0_1__03299);
+            rule__Multiplication__Group_1_0_1__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Multiplication__Group_1_0_1__0"
+
+
+    // $ANTLR start "rule__Multiplication__Group_1_0_1__0__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1676:1: rule__Multiplication__Group_1_0_1__0__Impl : ( () ) ;
+    public final void rule__Multiplication__Group_1_0_1__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1680:1: ( ( () ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1681:1: ( () )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1681:1: ( () )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1682:1: ()
+            {
+             before(grammarAccess.getMultiplicationAccess().getDivLeftAction_1_0_1_0()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1683:1: ()
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1685:1: 
+            {
+            }
+
+             after(grammarAccess.getMultiplicationAccess().getDivLeftAction_1_0_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Multiplication__Group_1_0_1__0__Impl"
+
+
+    // $ANTLR start "rule__Multiplication__Group_1_0_1__1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1695:1: rule__Multiplication__Group_1_0_1__1 : rule__Multiplication__Group_1_0_1__1__Impl ;
+    public final void rule__Multiplication__Group_1_0_1__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1699:1: ( rule__Multiplication__Group_1_0_1__1__Impl )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1700:2: rule__Multiplication__Group_1_0_1__1__Impl
+            {
+            pushFollow(FOLLOW_rule__Multiplication__Group_1_0_1__1__Impl_in_rule__Multiplication__Group_1_0_1__13357);
+            rule__Multiplication__Group_1_0_1__1__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Multiplication__Group_1_0_1__1"
+
+
+    // $ANTLR start "rule__Multiplication__Group_1_0_1__1__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1706:1: rule__Multiplication__Group_1_0_1__1__Impl : ( '/' ) ;
+    public final void rule__Multiplication__Group_1_0_1__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1710:1: ( ( '/' ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1711:1: ( '/' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1711:1: ( '/' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1712:1: '/'
+            {
+             before(grammarAccess.getMultiplicationAccess().getSolidusKeyword_1_0_1_1()); 
+            match(input,24,FOLLOW_24_in_rule__Multiplication__Group_1_0_1__1__Impl3385); 
+             after(grammarAccess.getMultiplicationAccess().getSolidusKeyword_1_0_1_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Multiplication__Group_1_0_1__1__Impl"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_0__0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1729:1: rule__PrimaryExpression__Group_0__0 : rule__PrimaryExpression__Group_0__0__Impl rule__PrimaryExpression__Group_0__1 ;
+    public final void rule__PrimaryExpression__Group_0__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1733:1: ( rule__PrimaryExpression__Group_0__0__Impl rule__PrimaryExpression__Group_0__1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1734:2: rule__PrimaryExpression__Group_0__0__Impl rule__PrimaryExpression__Group_0__1
+            {
+            pushFollow(FOLLOW_rule__PrimaryExpression__Group_0__0__Impl_in_rule__PrimaryExpression__Group_0__03420);
+            rule__PrimaryExpression__Group_0__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__PrimaryExpression__Group_0__1_in_rule__PrimaryExpression__Group_0__03423);
+            rule__PrimaryExpression__Group_0__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_0__0"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_0__0__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1741:1: rule__PrimaryExpression__Group_0__0__Impl : ( '(' ) ;
+    public final void rule__PrimaryExpression__Group_0__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1745:1: ( ( '(' ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1746:1: ( '(' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1746:1: ( '(' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1747:1: '('
+            {
+             before(grammarAccess.getPrimaryExpressionAccess().getLeftParenthesisKeyword_0_0()); 
+            match(input,19,FOLLOW_19_in_rule__PrimaryExpression__Group_0__0__Impl3451); 
+             after(grammarAccess.getPrimaryExpressionAccess().getLeftParenthesisKeyword_0_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_0__0__Impl"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_0__1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1760:1: rule__PrimaryExpression__Group_0__1 : rule__PrimaryExpression__Group_0__1__Impl rule__PrimaryExpression__Group_0__2 ;
+    public final void rule__PrimaryExpression__Group_0__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1764:1: ( rule__PrimaryExpression__Group_0__1__Impl rule__PrimaryExpression__Group_0__2 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1765:2: rule__PrimaryExpression__Group_0__1__Impl rule__PrimaryExpression__Group_0__2
+            {
+            pushFollow(FOLLOW_rule__PrimaryExpression__Group_0__1__Impl_in_rule__PrimaryExpression__Group_0__13482);
+            rule__PrimaryExpression__Group_0__1__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__PrimaryExpression__Group_0__2_in_rule__PrimaryExpression__Group_0__13485);
+            rule__PrimaryExpression__Group_0__2();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_0__1"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_0__1__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1772:1: rule__PrimaryExpression__Group_0__1__Impl : ( ruleExpression ) ;
+    public final void rule__PrimaryExpression__Group_0__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1776:1: ( ( ruleExpression ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1777:1: ( ruleExpression )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1777:1: ( ruleExpression )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1778:1: ruleExpression
+            {
+             before(grammarAccess.getPrimaryExpressionAccess().getExpressionParserRuleCall_0_1()); 
+            pushFollow(FOLLOW_ruleExpression_in_rule__PrimaryExpression__Group_0__1__Impl3512);
+            ruleExpression();
+
+            state._fsp--;
+
+             after(grammarAccess.getPrimaryExpressionAccess().getExpressionParserRuleCall_0_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_0__1__Impl"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_0__2"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1789:1: rule__PrimaryExpression__Group_0__2 : rule__PrimaryExpression__Group_0__2__Impl ;
+    public final void rule__PrimaryExpression__Group_0__2() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1793:1: ( rule__PrimaryExpression__Group_0__2__Impl )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1794:2: rule__PrimaryExpression__Group_0__2__Impl
+            {
+            pushFollow(FOLLOW_rule__PrimaryExpression__Group_0__2__Impl_in_rule__PrimaryExpression__Group_0__23541);
+            rule__PrimaryExpression__Group_0__2__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_0__2"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_0__2__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1800:1: rule__PrimaryExpression__Group_0__2__Impl : ( ')' ) ;
+    public final void rule__PrimaryExpression__Group_0__2__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1804:1: ( ( ')' ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1805:1: ( ')' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1805:1: ( ')' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1806:1: ')'
+            {
+             before(grammarAccess.getPrimaryExpressionAccess().getRightParenthesisKeyword_0_2()); 
+            match(input,20,FOLLOW_20_in_rule__PrimaryExpression__Group_0__2__Impl3569); 
+             after(grammarAccess.getPrimaryExpressionAccess().getRightParenthesisKeyword_0_2()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_0__2__Impl"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_1__0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1825:1: rule__PrimaryExpression__Group_1__0 : rule__PrimaryExpression__Group_1__0__Impl rule__PrimaryExpression__Group_1__1 ;
+    public final void rule__PrimaryExpression__Group_1__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1829:1: ( rule__PrimaryExpression__Group_1__0__Impl rule__PrimaryExpression__Group_1__1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1830:2: rule__PrimaryExpression__Group_1__0__Impl rule__PrimaryExpression__Group_1__1
+            {
+            pushFollow(FOLLOW_rule__PrimaryExpression__Group_1__0__Impl_in_rule__PrimaryExpression__Group_1__03606);
+            rule__PrimaryExpression__Group_1__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__PrimaryExpression__Group_1__1_in_rule__PrimaryExpression__Group_1__03609);
+            rule__PrimaryExpression__Group_1__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_1__0"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_1__0__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1837:1: rule__PrimaryExpression__Group_1__0__Impl : ( () ) ;
+    public final void rule__PrimaryExpression__Group_1__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1841:1: ( ( () ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1842:1: ( () )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1842:1: ( () )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1843:1: ()
+            {
+             before(grammarAccess.getPrimaryExpressionAccess().getNumberLiteralAction_1_0()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1844:1: ()
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1846:1: 
+            {
+            }
+
+             after(grammarAccess.getPrimaryExpressionAccess().getNumberLiteralAction_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_1__0__Impl"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_1__1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1856:1: rule__PrimaryExpression__Group_1__1 : rule__PrimaryExpression__Group_1__1__Impl ;
+    public final void rule__PrimaryExpression__Group_1__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1860:1: ( rule__PrimaryExpression__Group_1__1__Impl )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1861:2: rule__PrimaryExpression__Group_1__1__Impl
+            {
+            pushFollow(FOLLOW_rule__PrimaryExpression__Group_1__1__Impl_in_rule__PrimaryExpression__Group_1__13667);
+            rule__PrimaryExpression__Group_1__1__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_1__1"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_1__1__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1867:1: rule__PrimaryExpression__Group_1__1__Impl : ( ( rule__PrimaryExpression__ValueAssignment_1_1 ) ) ;
+    public final void rule__PrimaryExpression__Group_1__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1871:1: ( ( ( rule__PrimaryExpression__ValueAssignment_1_1 ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1872:1: ( ( rule__PrimaryExpression__ValueAssignment_1_1 ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1872:1: ( ( rule__PrimaryExpression__ValueAssignment_1_1 ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1873:1: ( rule__PrimaryExpression__ValueAssignment_1_1 )
+            {
+             before(grammarAccess.getPrimaryExpressionAccess().getValueAssignment_1_1()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1874:1: ( rule__PrimaryExpression__ValueAssignment_1_1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1874:2: rule__PrimaryExpression__ValueAssignment_1_1
+            {
+            pushFollow(FOLLOW_rule__PrimaryExpression__ValueAssignment_1_1_in_rule__PrimaryExpression__Group_1__1__Impl3694);
+            rule__PrimaryExpression__ValueAssignment_1_1();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getPrimaryExpressionAccess().getValueAssignment_1_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_1__1__Impl"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_2__0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1888:1: rule__PrimaryExpression__Group_2__0 : rule__PrimaryExpression__Group_2__0__Impl rule__PrimaryExpression__Group_2__1 ;
+    public final void rule__PrimaryExpression__Group_2__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1892:1: ( rule__PrimaryExpression__Group_2__0__Impl rule__PrimaryExpression__Group_2__1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1893:2: rule__PrimaryExpression__Group_2__0__Impl rule__PrimaryExpression__Group_2__1
+            {
+            pushFollow(FOLLOW_rule__PrimaryExpression__Group_2__0__Impl_in_rule__PrimaryExpression__Group_2__03728);
+            rule__PrimaryExpression__Group_2__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__PrimaryExpression__Group_2__1_in_rule__PrimaryExpression__Group_2__03731);
+            rule__PrimaryExpression__Group_2__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_2__0"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_2__0__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1900:1: rule__PrimaryExpression__Group_2__0__Impl : ( () ) ;
+    public final void rule__PrimaryExpression__Group_2__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1904:1: ( ( () ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1905:1: ( () )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1905:1: ( () )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1906:1: ()
+            {
+             before(grammarAccess.getPrimaryExpressionAccess().getFunctionCallAction_2_0()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1907:1: ()
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1909:1: 
+            {
+            }
+
+             after(grammarAccess.getPrimaryExpressionAccess().getFunctionCallAction_2_0()); 
+
+            }
+
+
+            }
+
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_2__0__Impl"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_2__1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1919:1: rule__PrimaryExpression__Group_2__1 : rule__PrimaryExpression__Group_2__1__Impl rule__PrimaryExpression__Group_2__2 ;
+    public final void rule__PrimaryExpression__Group_2__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1923:1: ( rule__PrimaryExpression__Group_2__1__Impl rule__PrimaryExpression__Group_2__2 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1924:2: rule__PrimaryExpression__Group_2__1__Impl rule__PrimaryExpression__Group_2__2
+            {
+            pushFollow(FOLLOW_rule__PrimaryExpression__Group_2__1__Impl_in_rule__PrimaryExpression__Group_2__13789);
+            rule__PrimaryExpression__Group_2__1__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__PrimaryExpression__Group_2__2_in_rule__PrimaryExpression__Group_2__13792);
+            rule__PrimaryExpression__Group_2__2();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_2__1"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_2__1__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1931:1: rule__PrimaryExpression__Group_2__1__Impl : ( ( rule__PrimaryExpression__FuncAssignment_2_1 ) ) ;
+    public final void rule__PrimaryExpression__Group_2__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1935:1: ( ( ( rule__PrimaryExpression__FuncAssignment_2_1 ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1936:1: ( ( rule__PrimaryExpression__FuncAssignment_2_1 ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1936:1: ( ( rule__PrimaryExpression__FuncAssignment_2_1 ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1937:1: ( rule__PrimaryExpression__FuncAssignment_2_1 )
+            {
+             before(grammarAccess.getPrimaryExpressionAccess().getFuncAssignment_2_1()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1938:1: ( rule__PrimaryExpression__FuncAssignment_2_1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1938:2: rule__PrimaryExpression__FuncAssignment_2_1
+            {
+            pushFollow(FOLLOW_rule__PrimaryExpression__FuncAssignment_2_1_in_rule__PrimaryExpression__Group_2__1__Impl3819);
+            rule__PrimaryExpression__FuncAssignment_2_1();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getPrimaryExpressionAccess().getFuncAssignment_2_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_2__1__Impl"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_2__2"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1948:1: rule__PrimaryExpression__Group_2__2 : rule__PrimaryExpression__Group_2__2__Impl ;
+    public final void rule__PrimaryExpression__Group_2__2() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1952:1: ( rule__PrimaryExpression__Group_2__2__Impl )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1953:2: rule__PrimaryExpression__Group_2__2__Impl
+            {
+            pushFollow(FOLLOW_rule__PrimaryExpression__Group_2__2__Impl_in_rule__PrimaryExpression__Group_2__23849);
+            rule__PrimaryExpression__Group_2__2__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_2__2"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_2__2__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1959:1: rule__PrimaryExpression__Group_2__2__Impl : ( ( rule__PrimaryExpression__Group_2_2__0 )? ) ;
+    public final void rule__PrimaryExpression__Group_2__2__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1963:1: ( ( ( rule__PrimaryExpression__Group_2_2__0 )? ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1964:1: ( ( rule__PrimaryExpression__Group_2_2__0 )? )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1964:1: ( ( rule__PrimaryExpression__Group_2_2__0 )? )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1965:1: ( rule__PrimaryExpression__Group_2_2__0 )?
+            {
+             before(grammarAccess.getPrimaryExpressionAccess().getGroup_2_2()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1966:1: ( rule__PrimaryExpression__Group_2_2__0 )?
+            int alt12=2;
+            int LA12_0 = input.LA(1);
+
+            if ( (LA12_0==19) ) {
+                alt12=1;
+            }
+            switch (alt12) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1966:2: rule__PrimaryExpression__Group_2_2__0
+                    {
+                    pushFollow(FOLLOW_rule__PrimaryExpression__Group_2_2__0_in_rule__PrimaryExpression__Group_2__2__Impl3876);
+                    rule__PrimaryExpression__Group_2_2__0();
+
+                    state._fsp--;
+
+
+                    }
+                    break;
+
+            }
+
+             after(grammarAccess.getPrimaryExpressionAccess().getGroup_2_2()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_2__2__Impl"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_2_2__0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1982:1: rule__PrimaryExpression__Group_2_2__0 : rule__PrimaryExpression__Group_2_2__0__Impl rule__PrimaryExpression__Group_2_2__1 ;
+    public final void rule__PrimaryExpression__Group_2_2__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1986:1: ( rule__PrimaryExpression__Group_2_2__0__Impl rule__PrimaryExpression__Group_2_2__1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1987:2: rule__PrimaryExpression__Group_2_2__0__Impl rule__PrimaryExpression__Group_2_2__1
+            {
+            pushFollow(FOLLOW_rule__PrimaryExpression__Group_2_2__0__Impl_in_rule__PrimaryExpression__Group_2_2__03913);
+            rule__PrimaryExpression__Group_2_2__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__PrimaryExpression__Group_2_2__1_in_rule__PrimaryExpression__Group_2_2__03916);
+            rule__PrimaryExpression__Group_2_2__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_2_2__0"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_2_2__0__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1994:1: rule__PrimaryExpression__Group_2_2__0__Impl : ( '(' ) ;
+    public final void rule__PrimaryExpression__Group_2_2__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1998:1: ( ( '(' ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1999:1: ( '(' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:1999:1: ( '(' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2000:1: '('
+            {
+             before(grammarAccess.getPrimaryExpressionAccess().getLeftParenthesisKeyword_2_2_0()); 
+            match(input,19,FOLLOW_19_in_rule__PrimaryExpression__Group_2_2__0__Impl3944); 
+             after(grammarAccess.getPrimaryExpressionAccess().getLeftParenthesisKeyword_2_2_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_2_2__0__Impl"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_2_2__1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2013:1: rule__PrimaryExpression__Group_2_2__1 : rule__PrimaryExpression__Group_2_2__1__Impl rule__PrimaryExpression__Group_2_2__2 ;
+    public final void rule__PrimaryExpression__Group_2_2__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2017:1: ( rule__PrimaryExpression__Group_2_2__1__Impl rule__PrimaryExpression__Group_2_2__2 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2018:2: rule__PrimaryExpression__Group_2_2__1__Impl rule__PrimaryExpression__Group_2_2__2
+            {
+            pushFollow(FOLLOW_rule__PrimaryExpression__Group_2_2__1__Impl_in_rule__PrimaryExpression__Group_2_2__13975);
+            rule__PrimaryExpression__Group_2_2__1__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__PrimaryExpression__Group_2_2__2_in_rule__PrimaryExpression__Group_2_2__13978);
+            rule__PrimaryExpression__Group_2_2__2();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_2_2__1"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_2_2__1__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2025:1: rule__PrimaryExpression__Group_2_2__1__Impl : ( ( rule__PrimaryExpression__ArgsAssignment_2_2_1 ) ) ;
+    public final void rule__PrimaryExpression__Group_2_2__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2029:1: ( ( ( rule__PrimaryExpression__ArgsAssignment_2_2_1 ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2030:1: ( ( rule__PrimaryExpression__ArgsAssignment_2_2_1 ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2030:1: ( ( rule__PrimaryExpression__ArgsAssignment_2_2_1 ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2031:1: ( rule__PrimaryExpression__ArgsAssignment_2_2_1 )
+            {
+             before(grammarAccess.getPrimaryExpressionAccess().getArgsAssignment_2_2_1()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2032:1: ( rule__PrimaryExpression__ArgsAssignment_2_2_1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2032:2: rule__PrimaryExpression__ArgsAssignment_2_2_1
+            {
+            pushFollow(FOLLOW_rule__PrimaryExpression__ArgsAssignment_2_2_1_in_rule__PrimaryExpression__Group_2_2__1__Impl4005);
+            rule__PrimaryExpression__ArgsAssignment_2_2_1();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getPrimaryExpressionAccess().getArgsAssignment_2_2_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_2_2__1__Impl"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_2_2__2"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2042:1: rule__PrimaryExpression__Group_2_2__2 : rule__PrimaryExpression__Group_2_2__2__Impl rule__PrimaryExpression__Group_2_2__3 ;
+    public final void rule__PrimaryExpression__Group_2_2__2() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2046:1: ( rule__PrimaryExpression__Group_2_2__2__Impl rule__PrimaryExpression__Group_2_2__3 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2047:2: rule__PrimaryExpression__Group_2_2__2__Impl rule__PrimaryExpression__Group_2_2__3
+            {
+            pushFollow(FOLLOW_rule__PrimaryExpression__Group_2_2__2__Impl_in_rule__PrimaryExpression__Group_2_2__24035);
+            rule__PrimaryExpression__Group_2_2__2__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__PrimaryExpression__Group_2_2__3_in_rule__PrimaryExpression__Group_2_2__24038);
+            rule__PrimaryExpression__Group_2_2__3();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_2_2__2"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_2_2__2__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2054:1: rule__PrimaryExpression__Group_2_2__2__Impl : ( ( rule__PrimaryExpression__Group_2_2_2__0 )* ) ;
+    public final void rule__PrimaryExpression__Group_2_2__2__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2058:1: ( ( ( rule__PrimaryExpression__Group_2_2_2__0 )* ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2059:1: ( ( rule__PrimaryExpression__Group_2_2_2__0 )* )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2059:1: ( ( rule__PrimaryExpression__Group_2_2_2__0 )* )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2060:1: ( rule__PrimaryExpression__Group_2_2_2__0 )*
+            {
+             before(grammarAccess.getPrimaryExpressionAccess().getGroup_2_2_2()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2061:1: ( rule__PrimaryExpression__Group_2_2_2__0 )*
+            loop13:
+            do {
+                int alt13=2;
+                int LA13_0 = input.LA(1);
+
+                if ( (LA13_0==21) ) {
+                    alt13=1;
+                }
+
+
+                switch (alt13) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2061:2: rule__PrimaryExpression__Group_2_2_2__0
+            	    {
+            	    pushFollow(FOLLOW_rule__PrimaryExpression__Group_2_2_2__0_in_rule__PrimaryExpression__Group_2_2__2__Impl4065);
+            	    rule__PrimaryExpression__Group_2_2_2__0();
+
+            	    state._fsp--;
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop13;
+                }
+            } while (true);
+
+             after(grammarAccess.getPrimaryExpressionAccess().getGroup_2_2_2()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_2_2__2__Impl"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_2_2__3"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2071:1: rule__PrimaryExpression__Group_2_2__3 : rule__PrimaryExpression__Group_2_2__3__Impl ;
+    public final void rule__PrimaryExpression__Group_2_2__3() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2075:1: ( rule__PrimaryExpression__Group_2_2__3__Impl )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2076:2: rule__PrimaryExpression__Group_2_2__3__Impl
+            {
+            pushFollow(FOLLOW_rule__PrimaryExpression__Group_2_2__3__Impl_in_rule__PrimaryExpression__Group_2_2__34096);
+            rule__PrimaryExpression__Group_2_2__3__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_2_2__3"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_2_2__3__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2082:1: rule__PrimaryExpression__Group_2_2__3__Impl : ( ')' ) ;
+    public final void rule__PrimaryExpression__Group_2_2__3__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2086:1: ( ( ')' ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2087:1: ( ')' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2087:1: ( ')' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2088:1: ')'
+            {
+             before(grammarAccess.getPrimaryExpressionAccess().getRightParenthesisKeyword_2_2_3()); 
+            match(input,20,FOLLOW_20_in_rule__PrimaryExpression__Group_2_2__3__Impl4124); 
+             after(grammarAccess.getPrimaryExpressionAccess().getRightParenthesisKeyword_2_2_3()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_2_2__3__Impl"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_2_2_2__0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2109:1: rule__PrimaryExpression__Group_2_2_2__0 : rule__PrimaryExpression__Group_2_2_2__0__Impl rule__PrimaryExpression__Group_2_2_2__1 ;
+    public final void rule__PrimaryExpression__Group_2_2_2__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2113:1: ( rule__PrimaryExpression__Group_2_2_2__0__Impl rule__PrimaryExpression__Group_2_2_2__1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2114:2: rule__PrimaryExpression__Group_2_2_2__0__Impl rule__PrimaryExpression__Group_2_2_2__1
+            {
+            pushFollow(FOLLOW_rule__PrimaryExpression__Group_2_2_2__0__Impl_in_rule__PrimaryExpression__Group_2_2_2__04163);
+            rule__PrimaryExpression__Group_2_2_2__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__PrimaryExpression__Group_2_2_2__1_in_rule__PrimaryExpression__Group_2_2_2__04166);
+            rule__PrimaryExpression__Group_2_2_2__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_2_2_2__0"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_2_2_2__0__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2121:1: rule__PrimaryExpression__Group_2_2_2__0__Impl : ( ',' ) ;
+    public final void rule__PrimaryExpression__Group_2_2_2__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2125:1: ( ( ',' ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2126:1: ( ',' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2126:1: ( ',' )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2127:1: ','
+            {
+             before(grammarAccess.getPrimaryExpressionAccess().getCommaKeyword_2_2_2_0()); 
+            match(input,21,FOLLOW_21_in_rule__PrimaryExpression__Group_2_2_2__0__Impl4194); 
+             after(grammarAccess.getPrimaryExpressionAccess().getCommaKeyword_2_2_2_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_2_2_2__0__Impl"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_2_2_2__1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2140:1: rule__PrimaryExpression__Group_2_2_2__1 : rule__PrimaryExpression__Group_2_2_2__1__Impl ;
+    public final void rule__PrimaryExpression__Group_2_2_2__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2144:1: ( rule__PrimaryExpression__Group_2_2_2__1__Impl )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2145:2: rule__PrimaryExpression__Group_2_2_2__1__Impl
+            {
+            pushFollow(FOLLOW_rule__PrimaryExpression__Group_2_2_2__1__Impl_in_rule__PrimaryExpression__Group_2_2_2__14225);
+            rule__PrimaryExpression__Group_2_2_2__1__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_2_2_2__1"
+
+
+    // $ANTLR start "rule__PrimaryExpression__Group_2_2_2__1__Impl"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2151:1: rule__PrimaryExpression__Group_2_2_2__1__Impl : ( ( rule__PrimaryExpression__ArgsAssignment_2_2_2_1 ) ) ;
+    public final void rule__PrimaryExpression__Group_2_2_2__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2155:1: ( ( ( rule__PrimaryExpression__ArgsAssignment_2_2_2_1 ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2156:1: ( ( rule__PrimaryExpression__ArgsAssignment_2_2_2_1 ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2156:1: ( ( rule__PrimaryExpression__ArgsAssignment_2_2_2_1 ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2157:1: ( rule__PrimaryExpression__ArgsAssignment_2_2_2_1 )
+            {
+             before(grammarAccess.getPrimaryExpressionAccess().getArgsAssignment_2_2_2_1()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2158:1: ( rule__PrimaryExpression__ArgsAssignment_2_2_2_1 )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2158:2: rule__PrimaryExpression__ArgsAssignment_2_2_2_1
+            {
+            pushFollow(FOLLOW_rule__PrimaryExpression__ArgsAssignment_2_2_2_1_in_rule__PrimaryExpression__Group_2_2_2__1__Impl4252);
+            rule__PrimaryExpression__ArgsAssignment_2_2_2_1();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getPrimaryExpressionAccess().getArgsAssignment_2_2_2_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__Group_2_2_2__1__Impl"
+
+
+    // $ANTLR start "rule__Module__NameAssignment_1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2173:1: rule__Module__NameAssignment_1 : ( RULE_ID ) ;
+    public final void rule__Module__NameAssignment_1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2177:1: ( ( RULE_ID ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2178:1: ( RULE_ID )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2178:1: ( RULE_ID )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2179:1: RULE_ID
+            {
+             before(grammarAccess.getModuleAccess().getNameIDTerminalRuleCall_1_0()); 
+            match(input,RULE_ID,FOLLOW_RULE_ID_in_rule__Module__NameAssignment_14291); 
+             after(grammarAccess.getModuleAccess().getNameIDTerminalRuleCall_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Module__NameAssignment_1"
+
+
+    // $ANTLR start "rule__Module__ImportsAssignment_2"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2188:1: rule__Module__ImportsAssignment_2 : ( ruleImport ) ;
+    public final void rule__Module__ImportsAssignment_2() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2192:1: ( ( ruleImport ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2193:1: ( ruleImport )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2193:1: ( ruleImport )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2194:1: ruleImport
+            {
+             before(grammarAccess.getModuleAccess().getImportsImportParserRuleCall_2_0()); 
+            pushFollow(FOLLOW_ruleImport_in_rule__Module__ImportsAssignment_24322);
+            ruleImport();
+
+            state._fsp--;
+
+             after(grammarAccess.getModuleAccess().getImportsImportParserRuleCall_2_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Module__ImportsAssignment_2"
+
+
+    // $ANTLR start "rule__Module__StatementsAssignment_3"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2203:1: rule__Module__StatementsAssignment_3 : ( ruleStatement ) ;
+    public final void rule__Module__StatementsAssignment_3() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2207:1: ( ( ruleStatement ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2208:1: ( ruleStatement )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2208:1: ( ruleStatement )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2209:1: ruleStatement
+            {
+             before(grammarAccess.getModuleAccess().getStatementsStatementParserRuleCall_3_0()); 
+            pushFollow(FOLLOW_ruleStatement_in_rule__Module__StatementsAssignment_34353);
+            ruleStatement();
+
+            state._fsp--;
+
+             after(grammarAccess.getModuleAccess().getStatementsStatementParserRuleCall_3_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Module__StatementsAssignment_3"
+
+
+    // $ANTLR start "rule__Import__ImportedNamespaceAssignment_1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2218:1: rule__Import__ImportedNamespaceAssignment_1 : ( ruleImportName ) ;
+    public final void rule__Import__ImportedNamespaceAssignment_1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2222:1: ( ( ruleImportName ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2223:1: ( ruleImportName )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2223:1: ( ruleImportName )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2224:1: ruleImportName
+            {
+             before(grammarAccess.getImportAccess().getImportedNamespaceImportNameParserRuleCall_1_0()); 
+            pushFollow(FOLLOW_ruleImportName_in_rule__Import__ImportedNamespaceAssignment_14384);
+            ruleImportName();
+
+            state._fsp--;
+
+             after(grammarAccess.getImportAccess().getImportedNamespaceImportNameParserRuleCall_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Import__ImportedNamespaceAssignment_1"
+
+
+    // $ANTLR start "rule__Definition__NameAssignment_1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2233:1: rule__Definition__NameAssignment_1 : ( RULE_ID ) ;
+    public final void rule__Definition__NameAssignment_1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2237:1: ( ( RULE_ID ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2238:1: ( RULE_ID )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2238:1: ( RULE_ID )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2239:1: RULE_ID
+            {
+             before(grammarAccess.getDefinitionAccess().getNameIDTerminalRuleCall_1_0()); 
+            match(input,RULE_ID,FOLLOW_RULE_ID_in_rule__Definition__NameAssignment_14415); 
+             after(grammarAccess.getDefinitionAccess().getNameIDTerminalRuleCall_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__NameAssignment_1"
+
+
+    // $ANTLR start "rule__Definition__ArgsAssignment_2_1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2248:1: rule__Definition__ArgsAssignment_2_1 : ( ruleDeclaredParameter ) ;
+    public final void rule__Definition__ArgsAssignment_2_1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2252:1: ( ( ruleDeclaredParameter ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2253:1: ( ruleDeclaredParameter )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2253:1: ( ruleDeclaredParameter )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2254:1: ruleDeclaredParameter
+            {
+             before(grammarAccess.getDefinitionAccess().getArgsDeclaredParameterParserRuleCall_2_1_0()); 
+            pushFollow(FOLLOW_ruleDeclaredParameter_in_rule__Definition__ArgsAssignment_2_14446);
+            ruleDeclaredParameter();
+
+            state._fsp--;
+
+             after(grammarAccess.getDefinitionAccess().getArgsDeclaredParameterParserRuleCall_2_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__ArgsAssignment_2_1"
+
+
+    // $ANTLR start "rule__Definition__ArgsAssignment_2_2_1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2263:1: rule__Definition__ArgsAssignment_2_2_1 : ( ruleDeclaredParameter ) ;
+    public final void rule__Definition__ArgsAssignment_2_2_1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2267:1: ( ( ruleDeclaredParameter ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2268:1: ( ruleDeclaredParameter )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2268:1: ( ruleDeclaredParameter )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2269:1: ruleDeclaredParameter
+            {
+             before(grammarAccess.getDefinitionAccess().getArgsDeclaredParameterParserRuleCall_2_2_1_0()); 
+            pushFollow(FOLLOW_ruleDeclaredParameter_in_rule__Definition__ArgsAssignment_2_2_14477);
+            ruleDeclaredParameter();
+
+            state._fsp--;
+
+             after(grammarAccess.getDefinitionAccess().getArgsDeclaredParameterParserRuleCall_2_2_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__ArgsAssignment_2_2_1"
+
+
+    // $ANTLR start "rule__Definition__ExprAssignment_4"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2278:1: rule__Definition__ExprAssignment_4 : ( ruleExpression ) ;
+    public final void rule__Definition__ExprAssignment_4() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2282:1: ( ( ruleExpression ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2283:1: ( ruleExpression )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2283:1: ( ruleExpression )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2284:1: ruleExpression
+            {
+             before(grammarAccess.getDefinitionAccess().getExprExpressionParserRuleCall_4_0()); 
+            pushFollow(FOLLOW_ruleExpression_in_rule__Definition__ExprAssignment_44508);
+            ruleExpression();
+
+            state._fsp--;
+
+             after(grammarAccess.getDefinitionAccess().getExprExpressionParserRuleCall_4_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Definition__ExprAssignment_4"
+
+
+    // $ANTLR start "rule__DeclaredParameter__NameAssignment"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2293:1: rule__DeclaredParameter__NameAssignment : ( RULE_ID ) ;
+    public final void rule__DeclaredParameter__NameAssignment() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2297:1: ( ( RULE_ID ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2298:1: ( RULE_ID )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2298:1: ( RULE_ID )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2299:1: RULE_ID
+            {
+             before(grammarAccess.getDeclaredParameterAccess().getNameIDTerminalRuleCall_0()); 
+            match(input,RULE_ID,FOLLOW_RULE_ID_in_rule__DeclaredParameter__NameAssignment4539); 
+             after(grammarAccess.getDeclaredParameterAccess().getNameIDTerminalRuleCall_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__DeclaredParameter__NameAssignment"
+
+
+    // $ANTLR start "rule__Evaluation__ExpressionAssignment_0"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2308:1: rule__Evaluation__ExpressionAssignment_0 : ( ruleExpression ) ;
+    public final void rule__Evaluation__ExpressionAssignment_0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2312:1: ( ( ruleExpression ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2313:1: ( ruleExpression )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2313:1: ( ruleExpression )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2314:1: ruleExpression
+            {
+             before(grammarAccess.getEvaluationAccess().getExpressionExpressionParserRuleCall_0_0()); 
+            pushFollow(FOLLOW_ruleExpression_in_rule__Evaluation__ExpressionAssignment_04570);
+            ruleExpression();
+
+            state._fsp--;
+
+             after(grammarAccess.getEvaluationAccess().getExpressionExpressionParserRuleCall_0_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Evaluation__ExpressionAssignment_0"
+
+
+    // $ANTLR start "rule__Addition__RightAssignment_1_1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2323:1: rule__Addition__RightAssignment_1_1 : ( ruleMultiplication ) ;
+    public final void rule__Addition__RightAssignment_1_1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2327:1: ( ( ruleMultiplication ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2328:1: ( ruleMultiplication )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2328:1: ( ruleMultiplication )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2329:1: ruleMultiplication
+            {
+             before(grammarAccess.getAdditionAccess().getRightMultiplicationParserRuleCall_1_1_0()); 
+            pushFollow(FOLLOW_ruleMultiplication_in_rule__Addition__RightAssignment_1_14601);
+            ruleMultiplication();
+
+            state._fsp--;
+
+             after(grammarAccess.getAdditionAccess().getRightMultiplicationParserRuleCall_1_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Addition__RightAssignment_1_1"
+
+
+    // $ANTLR start "rule__Multiplication__RightAssignment_1_1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2338:1: rule__Multiplication__RightAssignment_1_1 : ( rulePrimaryExpression ) ;
+    public final void rule__Multiplication__RightAssignment_1_1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2342:1: ( ( rulePrimaryExpression ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2343:1: ( rulePrimaryExpression )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2343:1: ( rulePrimaryExpression )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2344:1: rulePrimaryExpression
+            {
+             before(grammarAccess.getMultiplicationAccess().getRightPrimaryExpressionParserRuleCall_1_1_0()); 
+            pushFollow(FOLLOW_rulePrimaryExpression_in_rule__Multiplication__RightAssignment_1_14632);
+            rulePrimaryExpression();
+
+            state._fsp--;
+
+             after(grammarAccess.getMultiplicationAccess().getRightPrimaryExpressionParserRuleCall_1_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Multiplication__RightAssignment_1_1"
+
+
+    // $ANTLR start "rule__PrimaryExpression__ValueAssignment_1_1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2353:1: rule__PrimaryExpression__ValueAssignment_1_1 : ( RULE_NUMBER ) ;
+    public final void rule__PrimaryExpression__ValueAssignment_1_1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2357:1: ( ( RULE_NUMBER ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2358:1: ( RULE_NUMBER )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2358:1: ( RULE_NUMBER )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2359:1: RULE_NUMBER
+            {
+             before(grammarAccess.getPrimaryExpressionAccess().getValueNUMBERTerminalRuleCall_1_1_0()); 
+            match(input,RULE_NUMBER,FOLLOW_RULE_NUMBER_in_rule__PrimaryExpression__ValueAssignment_1_14663); 
+             after(grammarAccess.getPrimaryExpressionAccess().getValueNUMBERTerminalRuleCall_1_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__ValueAssignment_1_1"
+
+
+    // $ANTLR start "rule__PrimaryExpression__FuncAssignment_2_1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2368:1: rule__PrimaryExpression__FuncAssignment_2_1 : ( ( RULE_ID ) ) ;
+    public final void rule__PrimaryExpression__FuncAssignment_2_1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2372:1: ( ( ( RULE_ID ) ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2373:1: ( ( RULE_ID ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2373:1: ( ( RULE_ID ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2374:1: ( RULE_ID )
+            {
+             before(grammarAccess.getPrimaryExpressionAccess().getFuncAbstractDefinitionCrossReference_2_1_0()); 
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2375:1: ( RULE_ID )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2376:1: RULE_ID
+            {
+             before(grammarAccess.getPrimaryExpressionAccess().getFuncAbstractDefinitionIDTerminalRuleCall_2_1_0_1()); 
+            match(input,RULE_ID,FOLLOW_RULE_ID_in_rule__PrimaryExpression__FuncAssignment_2_14698); 
+             after(grammarAccess.getPrimaryExpressionAccess().getFuncAbstractDefinitionIDTerminalRuleCall_2_1_0_1()); 
+
+            }
+
+             after(grammarAccess.getPrimaryExpressionAccess().getFuncAbstractDefinitionCrossReference_2_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__FuncAssignment_2_1"
+
+
+    // $ANTLR start "rule__PrimaryExpression__ArgsAssignment_2_2_1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2387:1: rule__PrimaryExpression__ArgsAssignment_2_2_1 : ( ruleExpression ) ;
+    public final void rule__PrimaryExpression__ArgsAssignment_2_2_1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2391:1: ( ( ruleExpression ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2392:1: ( ruleExpression )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2392:1: ( ruleExpression )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2393:1: ruleExpression
+            {
+             before(grammarAccess.getPrimaryExpressionAccess().getArgsExpressionParserRuleCall_2_2_1_0()); 
+            pushFollow(FOLLOW_ruleExpression_in_rule__PrimaryExpression__ArgsAssignment_2_2_14733);
+            ruleExpression();
+
+            state._fsp--;
+
+             after(grammarAccess.getPrimaryExpressionAccess().getArgsExpressionParserRuleCall_2_2_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__ArgsAssignment_2_2_1"
+
+
+    // $ANTLR start "rule__PrimaryExpression__ArgsAssignment_2_2_2_1"
+    // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2402:1: rule__PrimaryExpression__ArgsAssignment_2_2_2_1 : ( ruleExpression ) ;
+    public final void rule__PrimaryExpression__ArgsAssignment_2_2_2_1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2406:1: ( ( ruleExpression ) )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2407:1: ( ruleExpression )
+            {
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2407:1: ( ruleExpression )
+            // ../org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/contentassist/antlr/internal/InternalArithmetics.g:2408:1: ruleExpression
+            {
+             before(grammarAccess.getPrimaryExpressionAccess().getArgsExpressionParserRuleCall_2_2_2_1_0()); 
+            pushFollow(FOLLOW_ruleExpression_in_rule__PrimaryExpression__ArgsAssignment_2_2_2_14764);
+            ruleExpression();
+
+            state._fsp--;
+
+             after(grammarAccess.getPrimaryExpressionAccess().getArgsExpressionParserRuleCall_2_2_2_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__PrimaryExpression__ArgsAssignment_2_2_2_1"
+
+    // Delegated rules
+
+
+ 
+
+    public static final BitSet FOLLOW_ruleModule_in_entryRuleModule61 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleModule68 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Module__Group__0_in_ruleModule94 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleImport_in_entryRuleImport121 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleImport128 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Import__Group__0_in_ruleImport154 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleImportName_in_entryRuleImportName181 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleImportName188 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__ImportName__Group__0_in_ruleImportName214 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleStatement_in_entryRuleStatement241 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleStatement248 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Statement__Alternatives_in_ruleStatement274 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleDefinition_in_entryRuleDefinition301 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleDefinition308 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Definition__Group__0_in_ruleDefinition334 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleDeclaredParameter_in_entryRuleDeclaredParameter361 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleDeclaredParameter368 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__DeclaredParameter__NameAssignment_in_ruleDeclaredParameter394 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleEvaluation_in_entryRuleEvaluation423 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleEvaluation430 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Evaluation__Group__0_in_ruleEvaluation456 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleExpression_in_entryRuleExpression483 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleExpression490 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleAddition_in_ruleExpression516 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleAddition_in_entryRuleAddition542 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleAddition549 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Addition__Group__0_in_ruleAddition575 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleMultiplication_in_entryRuleMultiplication602 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleMultiplication609 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Multiplication__Group__0_in_ruleMultiplication635 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rulePrimaryExpression_in_entryRulePrimaryExpression662 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRulePrimaryExpression669 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Alternatives_in_rulePrimaryExpression695 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleDefinition_in_rule__Statement__Alternatives731 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleEvaluation_in_rule__Statement__Alternatives748 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Addition__Group_1_0_0__0_in_rule__Addition__Alternatives_1_0781 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Addition__Group_1_0_1__0_in_rule__Addition__Alternatives_1_0799 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Multiplication__Group_1_0_0__0_in_rule__Multiplication__Alternatives_1_0832 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Multiplication__Group_1_0_1__0_in_rule__Multiplication__Alternatives_1_0850 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_0__0_in_rule__PrimaryExpression__Alternatives883 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_1__0_in_rule__PrimaryExpression__Alternatives901 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_2__0_in_rule__PrimaryExpression__Alternatives919 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Module__Group__0__Impl_in_rule__Module__Group__0950 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_rule__Module__Group__1_in_rule__Module__Group__0953 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_12_in_rule__Module__Group__0__Impl981 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Module__Group__1__Impl_in_rule__Module__Group__11012 = new BitSet(new long[]{0x0000000000092030L});
+    public static final BitSet FOLLOW_rule__Module__Group__2_in_rule__Module__Group__11015 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Module__NameAssignment_1_in_rule__Module__Group__1__Impl1042 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Module__Group__2__Impl_in_rule__Module__Group__21072 = new BitSet(new long[]{0x0000000000092030L});
+    public static final BitSet FOLLOW_rule__Module__Group__3_in_rule__Module__Group__21075 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Module__ImportsAssignment_2_in_rule__Module__Group__2__Impl1102 = new BitSet(new long[]{0x0000000000002002L});
+    public static final BitSet FOLLOW_rule__Module__Group__3__Impl_in_rule__Module__Group__31133 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Module__StatementsAssignment_3_in_rule__Module__Group__3__Impl1160 = new BitSet(new long[]{0x0000000000090032L});
+    public static final BitSet FOLLOW_rule__Import__Group__0__Impl_in_rule__Import__Group__01199 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_rule__Import__Group__1_in_rule__Import__Group__01202 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_13_in_rule__Import__Group__0__Impl1230 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Import__Group__1__Impl_in_rule__Import__Group__11261 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Import__ImportedNamespaceAssignment_1_in_rule__Import__Group__1__Impl1288 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__ImportName__Group__0__Impl_in_rule__ImportName__Group__01322 = new BitSet(new long[]{0x0000000000004000L});
+    public static final BitSet FOLLOW_rule__ImportName__Group__1_in_rule__ImportName__Group__01325 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_RULE_ID_in_rule__ImportName__Group__0__Impl1352 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__ImportName__Group__1__Impl_in_rule__ImportName__Group__11381 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__ImportName__Group_1__0_in_rule__ImportName__Group__1__Impl1408 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__ImportName__Group_1__0__Impl_in_rule__ImportName__Group_1__01443 = new BitSet(new long[]{0x0000000000008000L});
+    public static final BitSet FOLLOW_rule__ImportName__Group_1__1_in_rule__ImportName__Group_1__01446 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_14_in_rule__ImportName__Group_1__0__Impl1474 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__ImportName__Group_1__1__Impl_in_rule__ImportName__Group_1__11505 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_15_in_rule__ImportName__Group_1__1__Impl1533 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Definition__Group__0__Impl_in_rule__Definition__Group__01568 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_rule__Definition__Group__1_in_rule__Definition__Group__01571 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_16_in_rule__Definition__Group__0__Impl1599 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Definition__Group__1__Impl_in_rule__Definition__Group__11630 = new BitSet(new long[]{0x00000000000A0000L});
+    public static final BitSet FOLLOW_rule__Definition__Group__2_in_rule__Definition__Group__11633 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Definition__NameAssignment_1_in_rule__Definition__Group__1__Impl1660 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Definition__Group__2__Impl_in_rule__Definition__Group__21690 = new BitSet(new long[]{0x00000000000A0000L});
+    public static final BitSet FOLLOW_rule__Definition__Group__3_in_rule__Definition__Group__21693 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Definition__Group_2__0_in_rule__Definition__Group__2__Impl1720 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Definition__Group__3__Impl_in_rule__Definition__Group__31751 = new BitSet(new long[]{0x0000000000090030L});
+    public static final BitSet FOLLOW_rule__Definition__Group__4_in_rule__Definition__Group__31754 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_17_in_rule__Definition__Group__3__Impl1782 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Definition__Group__4__Impl_in_rule__Definition__Group__41813 = new BitSet(new long[]{0x0000000000040000L});
+    public static final BitSet FOLLOW_rule__Definition__Group__5_in_rule__Definition__Group__41816 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Definition__ExprAssignment_4_in_rule__Definition__Group__4__Impl1843 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Definition__Group__5__Impl_in_rule__Definition__Group__51873 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_18_in_rule__Definition__Group__5__Impl1901 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Definition__Group_2__0__Impl_in_rule__Definition__Group_2__01944 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_rule__Definition__Group_2__1_in_rule__Definition__Group_2__01947 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_19_in_rule__Definition__Group_2__0__Impl1975 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Definition__Group_2__1__Impl_in_rule__Definition__Group_2__12006 = new BitSet(new long[]{0x0000000000300000L});
+    public static final BitSet FOLLOW_rule__Definition__Group_2__2_in_rule__Definition__Group_2__12009 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Definition__ArgsAssignment_2_1_in_rule__Definition__Group_2__1__Impl2036 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Definition__Group_2__2__Impl_in_rule__Definition__Group_2__22066 = new BitSet(new long[]{0x0000000000300000L});
+    public static final BitSet FOLLOW_rule__Definition__Group_2__3_in_rule__Definition__Group_2__22069 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Definition__Group_2_2__0_in_rule__Definition__Group_2__2__Impl2096 = new BitSet(new long[]{0x0000000000200002L});
+    public static final BitSet FOLLOW_rule__Definition__Group_2__3__Impl_in_rule__Definition__Group_2__32127 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_20_in_rule__Definition__Group_2__3__Impl2155 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Definition__Group_2_2__0__Impl_in_rule__Definition__Group_2_2__02194 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_rule__Definition__Group_2_2__1_in_rule__Definition__Group_2_2__02197 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_21_in_rule__Definition__Group_2_2__0__Impl2225 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Definition__Group_2_2__1__Impl_in_rule__Definition__Group_2_2__12256 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Definition__ArgsAssignment_2_2_1_in_rule__Definition__Group_2_2__1__Impl2283 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Evaluation__Group__0__Impl_in_rule__Evaluation__Group__02317 = new BitSet(new long[]{0x0000000000040000L});
+    public static final BitSet FOLLOW_rule__Evaluation__Group__1_in_rule__Evaluation__Group__02320 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Evaluation__ExpressionAssignment_0_in_rule__Evaluation__Group__0__Impl2347 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Evaluation__Group__1__Impl_in_rule__Evaluation__Group__12377 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_18_in_rule__Evaluation__Group__1__Impl2405 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Addition__Group__0__Impl_in_rule__Addition__Group__02440 = new BitSet(new long[]{0x0000000000C00000L});
+    public static final BitSet FOLLOW_rule__Addition__Group__1_in_rule__Addition__Group__02443 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleMultiplication_in_rule__Addition__Group__0__Impl2470 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Addition__Group__1__Impl_in_rule__Addition__Group__12499 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Addition__Group_1__0_in_rule__Addition__Group__1__Impl2526 = new BitSet(new long[]{0x0000000000C00002L});
+    public static final BitSet FOLLOW_rule__Addition__Group_1__0__Impl_in_rule__Addition__Group_1__02561 = new BitSet(new long[]{0x0000000000090030L});
+    public static final BitSet FOLLOW_rule__Addition__Group_1__1_in_rule__Addition__Group_1__02564 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Addition__Alternatives_1_0_in_rule__Addition__Group_1__0__Impl2591 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Addition__Group_1__1__Impl_in_rule__Addition__Group_1__12621 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Addition__RightAssignment_1_1_in_rule__Addition__Group_1__1__Impl2648 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Addition__Group_1_0_0__0__Impl_in_rule__Addition__Group_1_0_0__02682 = new BitSet(new long[]{0x0000000000400000L});
+    public static final BitSet FOLLOW_rule__Addition__Group_1_0_0__1_in_rule__Addition__Group_1_0_0__02685 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Addition__Group_1_0_0__1__Impl_in_rule__Addition__Group_1_0_0__12743 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_22_in_rule__Addition__Group_1_0_0__1__Impl2771 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Addition__Group_1_0_1__0__Impl_in_rule__Addition__Group_1_0_1__02806 = new BitSet(new long[]{0x0000000000C00000L});
+    public static final BitSet FOLLOW_rule__Addition__Group_1_0_1__1_in_rule__Addition__Group_1_0_1__02809 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Addition__Group_1_0_1__1__Impl_in_rule__Addition__Group_1_0_1__12867 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_23_in_rule__Addition__Group_1_0_1__1__Impl2895 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Multiplication__Group__0__Impl_in_rule__Multiplication__Group__02930 = new BitSet(new long[]{0x0000000001008000L});
+    public static final BitSet FOLLOW_rule__Multiplication__Group__1_in_rule__Multiplication__Group__02933 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rulePrimaryExpression_in_rule__Multiplication__Group__0__Impl2960 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Multiplication__Group__1__Impl_in_rule__Multiplication__Group__12989 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Multiplication__Group_1__0_in_rule__Multiplication__Group__1__Impl3016 = new BitSet(new long[]{0x0000000001008002L});
+    public static final BitSet FOLLOW_rule__Multiplication__Group_1__0__Impl_in_rule__Multiplication__Group_1__03051 = new BitSet(new long[]{0x0000000000090030L});
+    public static final BitSet FOLLOW_rule__Multiplication__Group_1__1_in_rule__Multiplication__Group_1__03054 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Multiplication__Alternatives_1_0_in_rule__Multiplication__Group_1__0__Impl3081 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Multiplication__Group_1__1__Impl_in_rule__Multiplication__Group_1__13111 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Multiplication__RightAssignment_1_1_in_rule__Multiplication__Group_1__1__Impl3138 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Multiplication__Group_1_0_0__0__Impl_in_rule__Multiplication__Group_1_0_0__03172 = new BitSet(new long[]{0x0000000000008000L});
+    public static final BitSet FOLLOW_rule__Multiplication__Group_1_0_0__1_in_rule__Multiplication__Group_1_0_0__03175 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Multiplication__Group_1_0_0__1__Impl_in_rule__Multiplication__Group_1_0_0__13233 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_15_in_rule__Multiplication__Group_1_0_0__1__Impl3261 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Multiplication__Group_1_0_1__0__Impl_in_rule__Multiplication__Group_1_0_1__03296 = new BitSet(new long[]{0x0000000001008000L});
+    public static final BitSet FOLLOW_rule__Multiplication__Group_1_0_1__1_in_rule__Multiplication__Group_1_0_1__03299 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Multiplication__Group_1_0_1__1__Impl_in_rule__Multiplication__Group_1_0_1__13357 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_24_in_rule__Multiplication__Group_1_0_1__1__Impl3385 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_0__0__Impl_in_rule__PrimaryExpression__Group_0__03420 = new BitSet(new long[]{0x0000000000090030L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_0__1_in_rule__PrimaryExpression__Group_0__03423 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_19_in_rule__PrimaryExpression__Group_0__0__Impl3451 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_0__1__Impl_in_rule__PrimaryExpression__Group_0__13482 = new BitSet(new long[]{0x0000000000100000L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_0__2_in_rule__PrimaryExpression__Group_0__13485 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleExpression_in_rule__PrimaryExpression__Group_0__1__Impl3512 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_0__2__Impl_in_rule__PrimaryExpression__Group_0__23541 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_20_in_rule__PrimaryExpression__Group_0__2__Impl3569 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_1__0__Impl_in_rule__PrimaryExpression__Group_1__03606 = new BitSet(new long[]{0x0000000000000020L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_1__1_in_rule__PrimaryExpression__Group_1__03609 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_1__1__Impl_in_rule__PrimaryExpression__Group_1__13667 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__ValueAssignment_1_1_in_rule__PrimaryExpression__Group_1__1__Impl3694 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_2__0__Impl_in_rule__PrimaryExpression__Group_2__03728 = new BitSet(new long[]{0x0000000000090030L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_2__1_in_rule__PrimaryExpression__Group_2__03731 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_2__1__Impl_in_rule__PrimaryExpression__Group_2__13789 = new BitSet(new long[]{0x0000000000080000L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_2__2_in_rule__PrimaryExpression__Group_2__13792 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__FuncAssignment_2_1_in_rule__PrimaryExpression__Group_2__1__Impl3819 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_2__2__Impl_in_rule__PrimaryExpression__Group_2__23849 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_2_2__0_in_rule__PrimaryExpression__Group_2__2__Impl3876 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_2_2__0__Impl_in_rule__PrimaryExpression__Group_2_2__03913 = new BitSet(new long[]{0x0000000000090030L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_2_2__1_in_rule__PrimaryExpression__Group_2_2__03916 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_19_in_rule__PrimaryExpression__Group_2_2__0__Impl3944 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_2_2__1__Impl_in_rule__PrimaryExpression__Group_2_2__13975 = new BitSet(new long[]{0x0000000000300000L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_2_2__2_in_rule__PrimaryExpression__Group_2_2__13978 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__ArgsAssignment_2_2_1_in_rule__PrimaryExpression__Group_2_2__1__Impl4005 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_2_2__2__Impl_in_rule__PrimaryExpression__Group_2_2__24035 = new BitSet(new long[]{0x0000000000300000L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_2_2__3_in_rule__PrimaryExpression__Group_2_2__24038 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_2_2_2__0_in_rule__PrimaryExpression__Group_2_2__2__Impl4065 = new BitSet(new long[]{0x0000000000200002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_2_2__3__Impl_in_rule__PrimaryExpression__Group_2_2__34096 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_20_in_rule__PrimaryExpression__Group_2_2__3__Impl4124 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_2_2_2__0__Impl_in_rule__PrimaryExpression__Group_2_2_2__04163 = new BitSet(new long[]{0x0000000000090030L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_2_2_2__1_in_rule__PrimaryExpression__Group_2_2_2__04166 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_21_in_rule__PrimaryExpression__Group_2_2_2__0__Impl4194 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__Group_2_2_2__1__Impl_in_rule__PrimaryExpression__Group_2_2_2__14225 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__PrimaryExpression__ArgsAssignment_2_2_2_1_in_rule__PrimaryExpression__Group_2_2_2__1__Impl4252 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_RULE_ID_in_rule__Module__NameAssignment_14291 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleImport_in_rule__Module__ImportsAssignment_24322 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleStatement_in_rule__Module__StatementsAssignment_34353 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleImportName_in_rule__Import__ImportedNamespaceAssignment_14384 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_RULE_ID_in_rule__Definition__NameAssignment_14415 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleDeclaredParameter_in_rule__Definition__ArgsAssignment_2_14446 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleDeclaredParameter_in_rule__Definition__ArgsAssignment_2_2_14477 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleExpression_in_rule__Definition__ExprAssignment_44508 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_RULE_ID_in_rule__DeclaredParameter__NameAssignment4539 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleExpression_in_rule__Evaluation__ExpressionAssignment_04570 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleMultiplication_in_rule__Addition__RightAssignment_1_14601 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rulePrimaryExpression_in_rule__Multiplication__RightAssignment_1_14632 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_RULE_NUMBER_in_rule__PrimaryExpression__ValueAssignment_1_14663 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_RULE_ID_in_rule__PrimaryExpression__FuncAssignment_2_14698 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleExpression_in_rule__PrimaryExpression__ArgsAssignment_2_2_14733 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleExpression_in_rule__PrimaryExpression__ArgsAssignment_2_2_2_14764 = new BitSet(new long[]{0x0000000000000002L});
+
+}
\ No newline at end of file
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/internal/ArithmeticsActivator.java b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/internal/ArithmeticsActivator.java
new file mode 100644
index 0000000..cabd69f
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src-gen/org/eclipse/xtext/example/arithmetics/ui/internal/ArithmeticsActivator.java
@@ -0,0 +1,95 @@
+/*
+ * generated by Xtext
+ */
+package org.eclipse.xtext.example.arithmetics.ui.internal;
+
+import java.util.Collections;
+import java.util.Map;
+
+import org.apache.log4j.Logger;
+import org.eclipse.ui.plugin.AbstractUIPlugin;
+import org.eclipse.xtext.ui.shared.SharedStateModule;
+import org.eclipse.xtext.util.Modules2;
+import org.osgi.framework.BundleContext;
+
+import com.google.common.collect.Maps;
+import com.google.inject.Guice;
+import com.google.inject.Injector;
+import com.google.inject.Module;
+
+/**
+ * This class was generated. Customizations should only happen in a newly
+ * introduced subclass. 
+ */
+public class ArithmeticsActivator extends AbstractUIPlugin {
+	
+	public static final String ORG_ECLIPSE_XTEXT_EXAMPLE_ARITHMETICS_ARITHMETICS = "org.eclipse.xtext.example.arithmetics.Arithmetics";
+	
+	private static final Logger logger = Logger.getLogger(ArithmeticsActivator.class);
+	
+	private static ArithmeticsActivator INSTANCE;
+	
+	private Map<String, Injector> injectors = Collections.synchronizedMap(Maps.<String, Injector> newHashMapWithExpectedSize(1));
+	
+	@Override
+	public void start(BundleContext context) throws Exception {
+		super.start(context);
+		INSTANCE = this;
+	}
+	
+	@Override
+	public void stop(BundleContext context) throws Exception {
+		injectors.clear();
+		INSTANCE = null;
+		super.stop(context);
+	}
+	
+	public static ArithmeticsActivator getInstance() {
+		return INSTANCE;
+	}
+	
+	public Injector getInjector(String language) {
+		synchronized (injectors) {
+			Injector injector = injectors.get(language);
+			if (injector == null) {
+				injectors.put(language, injector = createInjector(language));
+			}
+			return injector;
+		}
+	}
+	
+	protected Injector createInjector(String language) {
+		try {
+			Module runtimeModule = getRuntimeModule(language);
+			Module sharedStateModule = getSharedStateModule();
+			Module uiModule = getUiModule(language);
+			Module mergedModule = Modules2.mixin(runtimeModule, sharedStateModule, uiModule);
+			return Guice.createInjector(mergedModule);
+		} catch (Exception e) {
+			logger.error("Failed to create injector for " + language);
+			logger.error(e.getMessage(), e);
+			throw new RuntimeException("Failed to create injector for " + language, e);
+		}
+	}
+
+	protected Module getRuntimeModule(String grammar) {
+		if (ORG_ECLIPSE_XTEXT_EXAMPLE_ARITHMETICS_ARITHMETICS.equals(grammar)) {
+			return new org.eclipse.xtext.example.arithmetics.ArithmeticsRuntimeModule();
+		}
+		
+		throw new IllegalArgumentException(grammar);
+	}
+	
+	protected Module getUiModule(String grammar) {
+		if (ORG_ECLIPSE_XTEXT_EXAMPLE_ARITHMETICS_ARITHMETICS.equals(grammar)) {
+			return new org.eclipse.xtext.example.arithmetics.ui.ArithmeticsUiModule(this);
+		}
+		
+		throw new IllegalArgumentException(grammar);
+	}
+	
+	protected Module getSharedStateModule() {
+		return new SharedStateModule();
+	}
+	
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/ArithmeticsUiModule.java b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/ArithmeticsUiModule.java
new file mode 100644
index 0000000..7c724e3
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/ArithmeticsUiModule.java
@@ -0,0 +1,25 @@
+/*******************************************************************************
+ * Copyright (c) 2010 itemis AG (http://www.itemis.eu) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+package org.eclipse.xtext.example.arithmetics.ui;
+
+import org.eclipse.ui.plugin.AbstractUIPlugin;
+import org.eclipse.xtext.example.arithmetics.ui.autoedit.AutoEditStrategy;
+import org.eclipse.xtext.ui.editor.autoedit.AbstractEditStrategyProvider;
+
+/**
+ * Use this class to register components to be used within the IDE.
+ */
+public class ArithmeticsUiModule extends org.eclipse.xtext.example.arithmetics.ui.AbstractArithmeticsUiModule {
+	public ArithmeticsUiModule(AbstractUIPlugin plugin) {
+		super(plugin);
+	}
+	
+	public Class<? extends AbstractEditStrategyProvider> bindAbstractEditStrategyProvider() {
+		return AutoEditStrategy.class;
+	}
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/autoedit/AutoEditStrategy.java b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/autoedit/AutoEditStrategy.java
new file mode 100644
index 0000000..8f0ad59
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/autoedit/AutoEditStrategy.java
@@ -0,0 +1,20 @@
+/*******************************************************************************
+ * Copyright (c) 2010 itemis AG (http://www.itemis.eu) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+package org.eclipse.xtext.example.arithmetics.ui.autoedit;
+
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.xtext.ui.editor.autoedit.DefaultAutoEditStrategyProvider;
+
+public class AutoEditStrategy extends DefaultAutoEditStrategyProvider {
+	@Override
+	protected void configure(IEditStrategyAcceptor acceptor) {
+		super.configure(acceptor);
+		//acceptor.accept(newShortCuts("PI", "PI"));
+		acceptor.accept(new InterpreterAutoEdit(),IDocument.DEFAULT_CONTENT_TYPE);
+	}
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/autoedit/InterpreterAutoEdit.java b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/autoedit/InterpreterAutoEdit.java
new file mode 100644
index 0000000..76fb153
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/autoedit/InterpreterAutoEdit.java
@@ -0,0 +1,90 @@
+/*******************************************************************************
+ * Copyright (c) 2010 itemis AG (http://www.itemis.eu) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+
+package org.eclipse.xtext.example.arithmetics.ui.autoedit;
+
+import java.math.BigDecimal;
+
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.DocumentCommand;
+import org.eclipse.jface.text.IAutoEditStrategy;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Evaluation;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Module;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Statement;
+import org.eclipse.xtext.example.arithmetics.interpreter.Calculator;
+import org.eclipse.xtext.nodemodel.ICompositeNode;
+import org.eclipse.xtext.nodemodel.util.NodeModelUtils;
+import org.eclipse.xtext.resource.XtextResource;
+import org.eclipse.xtext.ui.editor.model.IXtextDocument;
+import org.eclipse.xtext.util.concurrent.IUnitOfWork;
+
+/**
+ * @author Sven Efftinge - initial contribution and API
+ * 
+ *         an interactive interpreter as an {@link IAutoEditStrategy}
+ */
+public class InterpreterAutoEdit implements IAutoEditStrategy {
+
+	public void customizeDocumentCommand(IDocument document,
+			DocumentCommand command) {
+		for (String lineDelimiter : document.getLegalLineDelimiters()) {
+			if (command.text.equals(lineDelimiter)) {
+				int line;
+				int lineStart;
+				try {
+					line = document.getLineOfOffset(command.offset);
+					lineStart = document.getLineOffset(line);
+					if (!document.get(lineStart, 3).equals("def")) {
+						BigDecimal computedResult = computeResult(document,
+								command);
+						if (computedResult != null)
+							command.text = lineDelimiter + "// = " + computedResult + lineDelimiter;
+					}
+				} catch (BadLocationException e) {
+					// ignore
+				}
+			}
+		}
+	}
+
+	private BigDecimal computeResult(IDocument document,
+			final DocumentCommand command) {
+		return ((IXtextDocument) document)
+				.readOnly(new IUnitOfWork<BigDecimal, XtextResource>() {
+					public BigDecimal exec(XtextResource state)
+							throws Exception {
+						Evaluation stmt = findEvaluation(command, state);
+						if (stmt == null)
+							return null;
+						return evaluate(stmt);
+					}
+				});
+	}
+
+	protected BigDecimal evaluate(Evaluation stmt) {
+		return new Calculator().evaluate(stmt.getExpression());
+	}
+
+	protected Evaluation findEvaluation(final DocumentCommand command,
+			XtextResource state) {
+		if(!state.getContents().isEmpty()) {
+			Module m = (Module) state.getContents().get(0);
+			for (Statement stmt : m.getStatements()) {
+				if (stmt instanceof Evaluation) {
+					ICompositeNode node = NodeModelUtils.getNode(stmt);
+					if (node.getOffset() <= command.offset
+							&& (node.getOffset() + node.getLength()) >= command.offset) {
+						return (Evaluation) stmt;
+					}
+				}
+			}
+		}
+		return null;
+	}
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/contentassist/ArithmeticsProposalProvider.java b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/contentassist/ArithmeticsProposalProvider.java
new file mode 100644
index 0000000..f66ca84
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/contentassist/ArithmeticsProposalProvider.java
@@ -0,0 +1,69 @@
+/*******************************************************************************
+ * Copyright (c) 2010 itemis AG (http://www.itemis.eu) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+package org.eclipse.xtext.example.arithmetics.ui.contentassist;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.jface.text.contentassist.ICompletionProposal;
+import org.eclipse.xtext.Assignment;
+import org.eclipse.xtext.example.arithmetics.arithmetics.DeclaredParameter;
+import org.eclipse.xtext.example.arithmetics.ui.contentassist.AbstractArithmeticsProposalProvider;
+import org.eclipse.xtext.resource.IEObjectDescription;
+import org.eclipse.xtext.ui.editor.contentassist.ConfigurableCompletionProposal;
+import org.eclipse.xtext.ui.editor.contentassist.ContentAssistContext;
+import org.eclipse.xtext.ui.editor.contentassist.ICompletionProposalAcceptor;
+
+import com.google.common.base.Function;
+
+/**
+ * @author Sven Efftinge - initial contribution and API
+ *
+ */
+public class ArithmeticsProposalProvider extends AbstractArithmeticsProposalProvider {
+	
+	
+	/**
+	 * sets the selection on the arguments for proposed functions.
+	 */
+	@Override
+	public void completePrimaryExpression_Func(EObject model,
+			Assignment assignment, ContentAssistContext context,
+			final ICompletionProposalAcceptor acceptor) {
+		super.completePrimaryExpression_Func(model, assignment, context, new ICompletionProposalAcceptor.Delegate(acceptor) {
+
+			public void accept(ICompletionProposal proposal) {
+				if (proposal instanceof ConfigurableCompletionProposal) {
+					ConfigurableCompletionProposal ccp = (ConfigurableCompletionProposal) proposal;
+					String string = ccp.getReplacementString();
+					int indexOfOpenPar = string.indexOf('(');
+					if (indexOfOpenPar!=-1) {
+						int oldSelectionStart = ccp.getSelectionStart();
+						ccp.setSelectionStart(oldSelectionStart-string.length()+indexOfOpenPar+1);
+						ccp.setSelectionLength(oldSelectionStart-ccp.getSelectionStart()-1);
+					}
+				}
+				super.accept(proposal);
+			}
+
+		});
+	}
+	
+	@Override
+	protected String getDisplayString(EObject element,
+			String qualifiedNameAsString, String shortName) {
+		if (element instanceof DeclaredParameter)
+			return shortName;
+		return super.getDisplayString(element, qualifiedNameAsString, shortName);
+	}
+	
+	@Override
+	protected Function<IEObjectDescription, ICompletionProposal> getProposalFactory(
+			String ruleName, ContentAssistContext contentAssistContext) {
+		// hackish: ignore concrete syntax constraints since we export functions with parenths
+		return super.getProposalFactory(null, contentAssistContext);
+	}
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/labeling/ArithmeticsDescriptionLabelProvider.java b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/labeling/ArithmeticsDescriptionLabelProvider.java
new file mode 100644
index 0000000..c7dc205
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/labeling/ArithmeticsDescriptionLabelProvider.java
@@ -0,0 +1,34 @@
+/*******************************************************************************
+ * Copyright (c) 2010 itemis AG (http://www.itemis.eu) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+package org.eclipse.xtext.example.arithmetics.ui.labeling;
+
+import org.eclipse.jface.viewers.ILabelProvider;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.xtext.resource.IEObjectDescription;
+import org.eclipse.xtext.ui.label.DefaultDescriptionLabelProvider;
+
+import com.google.inject.Inject;
+
+/**
+ * Provides labels for a IEObjectDescriptions and IResourceDescriptions.
+ * 
+ * see http://www.eclipse.org/Xtext/documentation/latest/xtext.html#labelProvider
+ */
+public class ArithmeticsDescriptionLabelProvider extends DefaultDescriptionLabelProvider {
+
+	@Inject
+	private ILabelProvider labelProvider;
+
+	public Image getImage(Object element) {
+		if (element instanceof IEObjectDescription) {
+			return labelProvider.getImage(((IEObjectDescription)element).getEObjectOrProxy());
+		}
+		return super.getImage(element);
+	}
+
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/labeling/ArithmeticsLabelProvider.java b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/labeling/ArithmeticsLabelProvider.java
new file mode 100644
index 0000000..d7abe1f
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/labeling/ArithmeticsLabelProvider.java
@@ -0,0 +1,50 @@
+/*******************************************************************************
+ * Copyright (c) 2010 itemis AG (http://www.itemis.eu) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+package org.eclipse.xtext.example.arithmetics.ui.labeling;
+
+import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
+import org.eclipse.xtext.example.arithmetics.arithmetics.DeclaredParameter;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Definition;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Module;
+import org.eclipse.xtext.ui.label.DefaultEObjectLabelProvider;
+
+import com.google.inject.Inject;
+
+/**
+ * Provides labels for a EObjects.
+ * 
+ * see http://www.eclipse.org/Xtext/documentation/latest/xtext.html#labelProvider
+ */
+public class ArithmeticsLabelProvider extends DefaultEObjectLabelProvider {
+
+	@Inject
+	public ArithmeticsLabelProvider(AdapterFactoryLabelProvider delegate) {
+		super(delegate);
+	}
+
+	String text(Module ele) {
+		return ele.getName();
+	}
+	String text(Definition ele) {
+		String name = ele.getName();
+		if (!ele.getArgs().isEmpty()) {
+			name+="(";
+			for (DeclaredParameter p : ele.getArgs()) {
+				name+=p.getName();
+				if (ele.getArgs().indexOf(p)!=ele.getArgs().size()-1)
+					name+=",";
+			}
+			name+=")";
+		}
+		return name;
+	}
+	
+    String image(Module ele) {
+    	return "home_nav.gif";
+    }
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/outline/ArithmeticsOutlineTreeProvider.java b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/outline/ArithmeticsOutlineTreeProvider.java
new file mode 100644
index 0000000..6dfda52
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/outline/ArithmeticsOutlineTreeProvider.java
@@ -0,0 +1,32 @@
+/*******************************************************************************
+ * Copyright (c) 2010 itemis AG (http://www.itemis.eu) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+package org.eclipse.xtext.example.arithmetics.ui.outline;
+
+import org.eclipse.xtext.EcoreUtil2;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Definition;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Module;
+import org.eclipse.xtext.ui.editor.outline.IOutlineNode;
+import org.eclipse.xtext.ui.editor.outline.impl.DefaultOutlineTreeProvider;
+
+/**
+ * customization of the default outline structure
+ * 
+ */
+public class ArithmeticsOutlineTreeProvider extends DefaultOutlineTreeProvider {
+
+	protected void _createChildren(IOutlineNode parentNode, Module module) {
+		for(Definition definition : EcoreUtil2.typeSelect(module.eContents(), Definition.class)) {
+			createNode(parentNode, definition);
+		}
+	}
+
+	protected boolean _isLeaf(Definition definition) {
+		return true;
+	}
+	
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/quickfix/ArithmeticsQuickfixProvider.java b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/quickfix/ArithmeticsQuickfixProvider.java
new file mode 100644
index 0000000..c9a3304
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics.ui/src/org/eclipse/xtext/example/arithmetics/ui/quickfix/ArithmeticsQuickfixProvider.java
@@ -0,0 +1,33 @@
+/*******************************************************************************
+ * Copyright (c) 2010 itemis AG (http://www.itemis.eu) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+package org.eclipse.xtext.example.arithmetics.ui.quickfix;
+
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.xtext.example.arithmetics.validation.ArithmeticsJavaValidator;
+import org.eclipse.xtext.ui.editor.model.IXtextDocument;
+import org.eclipse.xtext.ui.editor.model.edit.IModification;
+import org.eclipse.xtext.ui.editor.model.edit.IModificationContext;
+import org.eclipse.xtext.ui.editor.quickfix.DefaultQuickfixProvider;
+import org.eclipse.xtext.ui.editor.quickfix.Fix;
+import org.eclipse.xtext.ui.editor.quickfix.IssueResolutionAcceptor;
+import org.eclipse.xtext.validation.Issue;
+
+public class ArithmeticsQuickfixProvider extends DefaultQuickfixProvider {
+
+	@Fix(ArithmeticsJavaValidator.NORMALIZABLE)
+	public void normalize(final Issue issue, IssueResolutionAcceptor acceptor) {
+		final String string = issue.getData()[0];
+		acceptor.accept(issue, "Replace with "+string, "Replace expression with '"+string+"'", "upcase.png", new IModification() {
+			public void apply(IModificationContext context) throws BadLocationException {
+				IXtextDocument xtextDocument = context.getXtextDocument();
+				xtextDocument.replace(issue.getOffset(), issue.getLength(), string);
+			}
+		});
+	}
+
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/.classpath b/examples/plugins/org.eclipse.xtext.example.arithmetics/.classpath
new file mode 100644
index 0000000..59cf397
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/.classpath
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="src-gen"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/.project b/examples/plugins/org.eclipse.xtext.example.arithmetics/.project
new file mode 100644
index 0000000..6e70b87
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/.project
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>org.eclipse.xtext.example.arithmetics</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ManifestBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.SchemaBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.xtext.ui.shared.xtextBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.pde.PluginNature</nature>
+		<nature>org.eclipse.xtext.ui.shared.xtextNature</nature>
+	</natures>
+</projectDescription>
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/.settings/org.eclipse.core.resources.prefs b/examples/plugins/org.eclipse.xtext.example.arithmetics/.settings/org.eclipse.core.resources.prefs
new file mode 100644
index 0000000..99f26c0
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/.settings/org.eclipse.core.resources.prefs
@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+encoding/<project>=UTF-8
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/META-INF/MANIFEST.MF b/examples/plugins/org.eclipse.xtext.example.arithmetics/META-INF/MANIFEST.MF
new file mode 100644
index 0000000..8f3f47b
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/META-INF/MANIFEST.MF
@@ -0,0 +1,33 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: org.eclipse.xtext.example.arithmetics
+Bundle-Vendor: itemis AG
+Bundle-Version: 2.3.0.qualifier
+Bundle-SymbolicName: org.eclipse.xtext.example.arithmetics;singleton:=true
+Bundle-ActivationPolicy: lazy
+Require-Bundle: org.eclipse.xtext;bundle-version="2.0.0";visibility:=reexport,
+ org.eclipse.xtext.generator;bundle-version="2.0.0";resolution:=optional;x-installation:=greedy,
+ de.itemis.xtext.antlr;bundle-version="2.0.0";resolution:=optional;x-installation:=greedy,
+ org.eclipse.emf.codegen.ecore;resolution:=optional;x-installation:=greedy,
+ org.eclipse.emf.mwe.utils;bundle-version="1.0.0";resolution:=optional;x-installation:=greedy,
+ org.eclipse.emf.mwe2.launch;bundle-version="2.0.0";resolution:=optional;x-installation:=greedy,
+ com.ibm.icu;resolution:=optional;x-installation:=greedy,
+ org.eclipse.xtext.util;bundle-version="2.0.0";visibility:=reexport,
+ org.eclipse.emf.ecore,
+ org.eclipse.emf.common,
+ org.antlr.runtime;bundle-version="[3.2.0,3.2.1)"
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
+Export-Package: org.eclipse.xtext.example.arithmetics,
+ org.eclipse.xtext.example.arithmetics.interpreter,
+ org.eclipse.xtext.example.arithmetics.validation,
+ org.eclipse.xtext.example.arithmetics.services,
+ org.eclipse.xtext.example.arithmetics.arithmetics,
+ org.eclipse.xtext.example.arithmetics.arithmetics.impl,
+ org.eclipse.xtext.example.arithmetics.arithmetics.util,
+ org.eclipse.xtext.example.arithmetics.parser.antlr,
+ org.eclipse.xtext.example.arithmetics.parser.antlr.internal,
+ org.eclipse.xtext.example.arithmetics.scoping,
+ org.eclipse.xtext.example.arithmetics.formatting,
+ org.eclipse.xtext.example.arithmetics.serializer
+Import-Package: org.apache.log4j,
+ org.apache.commons.logging
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/build.properties b/examples/plugins/org.eclipse.xtext.example.arithmetics/build.properties
new file mode 100644
index 0000000..bed6e1e
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/build.properties
@@ -0,0 +1,4 @@
+source.. = src/,src-gen/
+bin.includes = META-INF/,\
+               .,\
+               plugin.xml
\ No newline at end of file
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/plugin.xml b/examples/plugins/org.eclipse.xtext.example.arithmetics/plugin.xml
new file mode 100644
index 0000000..94f1325
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/plugin.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.0"?>
+
+<plugin>
+
+  <extension point="org.eclipse.emf.ecore.generated_package">
+    <package 
+       uri = "http://www.eclipse.org/Xtext/example/Arithmetics" 
+       class = "org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage"
+       genModel = "org/eclipse/xtext/example/arithmetics/Arithmetics.genmodel" /> 
+	
+  </extension>
+
+
+
+
+
+</plugin>
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/plugin.xml_gen b/examples/plugins/org.eclipse.xtext.example.arithmetics/plugin.xml_gen
new file mode 100644
index 0000000..a3a8937
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/plugin.xml_gen
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.0"?>
+
+<plugin>
+
+  <extension point="org.eclipse.emf.ecore.generated_package">
+    <package 
+       uri = "http://www.eclipse.org/Xtext/example/Arithmetics" 
+       class = "org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage"
+       genModel = "org/eclipse/xtext/example/arithmetics/Arithmetics.genmodel" /> 
+	
+  </extension>
+
+
+
+
+</plugin>
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/AbstractArithmeticsRuntimeModule.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/AbstractArithmeticsRuntimeModule.java
new file mode 100644
index 0000000..d7c76d1
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/AbstractArithmeticsRuntimeModule.java
@@ -0,0 +1,147 @@
+/*
+ * generated by Xtext
+ */
+package org.eclipse.xtext.example.arithmetics;
+
+import java.util.Properties;
+
+import org.eclipse.xtext.Constants;
+import org.eclipse.xtext.service.DefaultRuntimeModule;
+
+import com.google.inject.Binder;
+import com.google.inject.name.Names;
+
+/**
+ * Manual modifications go to {org.eclipse.xtext.example.arithmetics.ArithmeticsRuntimeModule}
+ */
+ @SuppressWarnings("all")
+public abstract class AbstractArithmeticsRuntimeModule extends DefaultRuntimeModule {
+
+	protected Properties properties = null;
+
+	@Override
+	public void configure(Binder binder) {
+		properties = tryBindProperties(binder, "org/eclipse/xtext/example/arithmetics/Arithmetics.properties");
+		super.configure(binder);
+	}
+	
+	public void configureLanguageName(Binder binder) {
+		binder.bind(String.class).annotatedWith(Names.named(Constants.LANGUAGE_NAME)).toInstance("org.eclipse.xtext.example.arithmetics.Arithmetics");
+	}
+	
+	public void configureFileExtensions(Binder binder) {
+		if (properties == null || properties.getProperty(Constants.FILE_EXTENSIONS) == null)
+			binder.bind(String.class).annotatedWith(Names.named(Constants.FILE_EXTENSIONS)).toInstance("calc");
+	}
+	
+	// contributed by org.eclipse.xtext.generator.grammarAccess.GrammarAccessFragment
+	public Class<? extends org.eclipse.xtext.IGrammarAccess> bindIGrammarAccess() {
+		return org.eclipse.xtext.example.arithmetics.services.ArithmeticsGrammarAccess.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.serializer.SerializerFragment
+	public Class<? extends org.eclipse.xtext.serializer.sequencer.ISemanticSequencer> bindISemanticSequencer() {
+		return org.eclipse.xtext.example.arithmetics.serializer.AbstractArithmeticsSemanticSequencer.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.serializer.SerializerFragment
+	public Class<? extends org.eclipse.xtext.serializer.sequencer.ISyntacticSequencer> bindISyntacticSequencer() {
+		return org.eclipse.xtext.example.arithmetics.serializer.AbstractArithmeticsSyntacticSequencer.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.serializer.SerializerFragment
+	public Class<? extends org.eclipse.xtext.serializer.ISerializer> bindISerializer() {
+		return org.eclipse.xtext.serializer.impl.Serializer.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public Class<? extends org.eclipse.xtext.parser.IParser> bindIParser() {
+		return org.eclipse.xtext.example.arithmetics.parser.antlr.ArithmeticsParser.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public Class<? extends org.eclipse.xtext.parser.ITokenToStringConverter> bindITokenToStringConverter() {
+		return org.eclipse.xtext.parser.antlr.AntlrTokenToStringConverter.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public Class<? extends org.eclipse.xtext.parser.antlr.IAntlrTokenFileProvider> bindIAntlrTokenFileProvider() {
+		return org.eclipse.xtext.example.arithmetics.parser.antlr.ArithmeticsAntlrTokenFileProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public Class<? extends org.eclipse.xtext.parser.antlr.Lexer> bindLexer() {
+		return org.eclipse.xtext.example.arithmetics.parser.antlr.internal.InternalArithmeticsLexer.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public com.google.inject.Provider<org.eclipse.xtext.example.arithmetics.parser.antlr.internal.InternalArithmeticsLexer> provideInternalArithmeticsLexer() {
+		return org.eclipse.xtext.parser.antlr.LexerProvider.create(org.eclipse.xtext.example.arithmetics.parser.antlr.internal.InternalArithmeticsLexer.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public void configureRuntimeLexer(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.parser.antlr.Lexer.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.parser.antlr.LexerBindings.RUNTIME)).to(org.eclipse.xtext.example.arithmetics.parser.antlr.internal.InternalArithmeticsLexer.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public Class<? extends org.eclipse.xtext.parser.antlr.ITokenDefProvider> bindITokenDefProvider() {
+		return org.eclipse.xtext.parser.antlr.AntlrTokenDefProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.validation.JavaValidatorFragment
+	@org.eclipse.xtext.service.SingletonBinding(eager=true)	public Class<? extends org.eclipse.xtext.example.arithmetics.validation.ArithmeticsJavaValidator> bindArithmeticsJavaValidator() {
+		return org.eclipse.xtext.example.arithmetics.validation.ArithmeticsJavaValidator.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.scoping.AbstractScopingFragment
+	public Class<? extends org.eclipse.xtext.scoping.IScopeProvider> bindIScopeProvider() {
+		return org.eclipse.xtext.example.arithmetics.scoping.ArithmeticsScopeProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.scoping.AbstractScopingFragment
+	public void configureIScopeProviderDelegate(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.scoping.IScopeProvider.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider.NAMED_DELEGATE)).to(org.eclipse.xtext.scoping.impl.ImportedNamespaceAwareLocalScopeProvider.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.scoping.AbstractScopingFragment
+	public Class<? extends org.eclipse.xtext.scoping.IGlobalScopeProvider> bindIGlobalScopeProvider() {
+		return org.eclipse.xtext.scoping.impl.DefaultGlobalScopeProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.scoping.AbstractScopingFragment
+	public void configureIgnoreCaseLinking(com.google.inject.Binder binder) {
+		binder.bindConstant().annotatedWith(org.eclipse.xtext.scoping.IgnoreCaseLinking.class).to(false);
+	}
+
+	// contributed by org.eclipse.xtext.generator.exporting.QualifiedNamesFragment
+	public Class<? extends org.eclipse.xtext.naming.IQualifiedNameProvider> bindIQualifiedNameProvider() {
+		return org.eclipse.xtext.naming.DefaultDeclarativeQualifiedNameProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.formatting.FormatterFragment
+	public Class<? extends org.eclipse.xtext.formatting.IFormatter> bindIFormatter() {
+		return org.eclipse.xtext.example.arithmetics.formatting.ArithmeticsFormatter.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public Class<? extends org.eclipse.xtext.resource.IContainer.Manager> bindIContainer$Manager() {
+		return org.eclipse.xtext.resource.containers.StateBasedContainerManager.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public Class<? extends org.eclipse.xtext.resource.containers.IAllContainersState.Provider> bindIAllContainersState$Provider() {
+		return org.eclipse.xtext.resource.containers.ResourceSetBasedAllContainersStateProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public void configureIResourceDescriptions(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.resource.IResourceDescriptions.class).to(org.eclipse.xtext.resource.impl.ResourceSetBasedResourceDescriptions.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public void configureIResourceDescriptionsBuilderScope(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.resource.IResourceDescriptions.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.resource.impl.ResourceDescriptionsProvider.NAMED_BUILDER_SCOPE)).to(org.eclipse.xtext.resource.impl.ResourceSetBasedResourceDescriptions.class);
+	}
+
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/Arithmetics.ecore b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/Arithmetics.ecore
new file mode 100644
index 0000000..aa657e1
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/Arithmetics.ecore
@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ecore:EPackage xmi:version="2.0"
+    xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" name="arithmetics"
+    nsURI="http://www.eclipse.org/Xtext/example/Arithmetics" nsPrefix="arithmetics">
+  <eClassifiers xsi:type="ecore:EClass" name="Module">
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="name" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="imports" upperBound="-1"
+        eType="#//Import" containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="statements" upperBound="-1"
+        eType="#//Statement" containment="true"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Import">
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="importedNamespace" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Statement"/>
+  <eClassifiers xsi:type="ecore:EClass" name="Definition" eSuperTypes="#//Statement #//AbstractDefinition">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="args" upperBound="-1" eType="#//DeclaredParameter"
+        containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="expr" eType="#//Expression"
+        containment="true"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="DeclaredParameter" eSuperTypes="#//AbstractDefinition"/>
+  <eClassifiers xsi:type="ecore:EClass" name="AbstractDefinition">
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="name" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Evaluation" eSuperTypes="#//Statement">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="expression" eType="#//Expression"
+        containment="true"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Expression"/>
+  <eClassifiers xsi:type="ecore:EClass" name="Plus" eSuperTypes="#//Expression">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="left" eType="#//Expression"
+        containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="right" eType="#//Expression"
+        containment="true"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Minus" eSuperTypes="#//Expression">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="left" eType="#//Expression"
+        containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="right" eType="#//Expression"
+        containment="true"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Multi" eSuperTypes="#//Expression">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="left" eType="#//Expression"
+        containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="right" eType="#//Expression"
+        containment="true"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Div" eSuperTypes="#//Expression">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="left" eType="#//Expression"
+        containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="right" eType="#//Expression"
+        containment="true"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="NumberLiteral" eSuperTypes="#//Expression">
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="value" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EBigDecimal"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="FunctionCall" eSuperTypes="#//Expression">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="func" eType="#//AbstractDefinition"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="args" upperBound="-1" eType="#//Expression"
+        containment="true"/>
+  </eClassifiers>
+</ecore:EPackage>
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/Arithmetics.genmodel b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/Arithmetics.genmodel
new file mode 100644
index 0000000..eb1add2
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/Arithmetics.genmodel
@@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<genmodel:GenModel xmi:version="2.0"
+    xmlns:xmi="http://www.omg.org/XMI" xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore"
+    xmlns:genmodel="http://www.eclipse.org/emf/2002/GenModel" modelDirectory="/org.eclipse.xtext.example.arithmetics/src-gen"
+    editDirectory="/org.eclipse.xtext.example.arithmetics.edit/src" editorDirectory="/org.eclipse.xtext.example.arithmetics.editor/src"
+    modelPluginID="org.eclipse.xtext.example.arithmetics" forceOverwrite="true" modelName="Arithmetics"
+    updateClasspath="false" rootExtendsClass="org.eclipse.emf.ecore.impl.MinimalEObjectImpl$Container"
+    complianceLevel="5.0" copyrightFields="false" editPluginID="org.eclipse.xtext.example.arithmetics.edit"
+    editorPluginID="org.eclipse.xtext.example.arithmetics.editor">
+  <genPackages prefix="Arithmetics" basePackage="org.eclipse.xtext.example.arithmetics"
+      disposableProviderFactory="true" ecorePackage="Arithmetics.ecore#/">
+    <genClasses ecoreClass="Arithmetics.ecore#//Module">
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute Arithmetics.ecore#//Module/name"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference Arithmetics.ecore#//Module/imports"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference Arithmetics.ecore#//Module/statements"/>
+    </genClasses>
+    <genClasses ecoreClass="Arithmetics.ecore#//Import">
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute Arithmetics.ecore#//Import/importedNamespace"/>
+    </genClasses>
+    <genClasses ecoreClass="Arithmetics.ecore#//Statement"/>
+    <genClasses ecoreClass="Arithmetics.ecore#//Definition">
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference Arithmetics.ecore#//Definition/args"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference Arithmetics.ecore#//Definition/expr"/>
+    </genClasses>
+    <genClasses ecoreClass="Arithmetics.ecore#//DeclaredParameter"/>
+    <genClasses ecoreClass="Arithmetics.ecore#//AbstractDefinition">
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute Arithmetics.ecore#//AbstractDefinition/name"/>
+    </genClasses>
+    <genClasses ecoreClass="Arithmetics.ecore#//Evaluation">
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference Arithmetics.ecore#//Evaluation/expression"/>
+    </genClasses>
+    <genClasses ecoreClass="Arithmetics.ecore#//Expression"/>
+    <genClasses ecoreClass="Arithmetics.ecore#//Plus">
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference Arithmetics.ecore#//Plus/left"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference Arithmetics.ecore#//Plus/right"/>
+    </genClasses>
+    <genClasses ecoreClass="Arithmetics.ecore#//Minus">
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference Arithmetics.ecore#//Minus/left"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference Arithmetics.ecore#//Minus/right"/>
+    </genClasses>
+    <genClasses ecoreClass="Arithmetics.ecore#//Multi">
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference Arithmetics.ecore#//Multi/left"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference Arithmetics.ecore#//Multi/right"/>
+    </genClasses>
+    <genClasses ecoreClass="Arithmetics.ecore#//Div">
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference Arithmetics.ecore#//Div/left"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference Arithmetics.ecore#//Div/right"/>
+    </genClasses>
+    <genClasses ecoreClass="Arithmetics.ecore#//NumberLiteral">
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute Arithmetics.ecore#//NumberLiteral/value"/>
+    </genClasses>
+    <genClasses ecoreClass="Arithmetics.ecore#//FunctionCall">
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference Arithmetics.ecore#//FunctionCall/func"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference Arithmetics.ecore#//FunctionCall/args"/>
+    </genClasses>
+  </genPackages>
+</genmodel:GenModel>
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/Arithmetics.xmi b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/Arithmetics.xmi
new file mode 100644
index 0000000..cfae9a6
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/Arithmetics.xmi
@@ -0,0 +1,412 @@
+<?xml version="1.0" encoding="ASCII"?>
+<xmi:XMI xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" xmlns:xtext="http://www.eclipse.org/2008/Xtext">
+  <xtext:Grammar name="org.eclipse.xtext.example.arithmetics.Arithmetics" usedGrammars="/1">
+    <metamodelDeclarations xsi:type="xtext:ReferencedMetamodel" alias="ecore">
+      <ePackage href="http://www.eclipse.org/emf/2002/Ecore#/"/>
+    </metamodelDeclarations>
+    <metamodelDeclarations xsi:type="xtext:GeneratedMetamodel" name="arithmetics">
+      <ePackage href="http://www.eclipse.org/Xtext/example/Arithmetics#/"/>
+    </metamodelDeclarations>
+    <rules xsi:type="xtext:ParserRule" name="Module">
+      <type metamodel="/0/@metamodelDeclarations.1">
+        <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/Xtext/example/Arithmetics#//Module"/>
+      </type>
+      <alternatives xsi:type="xtext:Group">
+        <elements xsi:type="xtext:Keyword" value="module"/>
+        <elements xsi:type="xtext:Assignment" feature="name" operator="=">
+          <terminal xsi:type="xtext:RuleCall" rule="/1/@rules.0"/>
+        </elements>
+        <elements xsi:type="xtext:Assignment" cardinality="*" feature="imports" operator="+=">
+          <terminal xsi:type="xtext:RuleCall" rule="/0/@rules.1"/>
+        </elements>
+        <elements xsi:type="xtext:Assignment" cardinality="*" feature="statements" operator="+=">
+          <terminal xsi:type="xtext:RuleCall" rule="/0/@rules.3"/>
+        </elements>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:ParserRule" name="Import">
+      <type metamodel="/0/@metamodelDeclarations.1">
+        <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/Xtext/example/Arithmetics#//Import"/>
+      </type>
+      <alternatives xsi:type="xtext:Group">
+        <elements xsi:type="xtext:Keyword" value="import"/>
+        <elements xsi:type="xtext:Assignment" feature="importedNamespace" operator="=">
+          <terminal xsi:type="xtext:RuleCall" rule="/0/@rules.2"/>
+        </elements>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:ParserRule" name="ImportName">
+      <type metamodel="/0/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+      </type>
+      <alternatives xsi:type="xtext:Group">
+        <elements xsi:type="xtext:RuleCall" rule="/1/@rules.0"/>
+        <elements xsi:type="xtext:Group" cardinality="?">
+          <elements xsi:type="xtext:Keyword" value="."/>
+          <elements xsi:type="xtext:Keyword" value="*"/>
+        </elements>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:ParserRule" name="Statement">
+      <type metamodel="/0/@metamodelDeclarations.1">
+        <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/Xtext/example/Arithmetics#//Statement"/>
+      </type>
+      <alternatives xsi:type="xtext:Alternatives">
+        <elements xsi:type="xtext:RuleCall" rule="/0/@rules.4"/>
+        <elements xsi:type="xtext:RuleCall" rule="/0/@rules.7"/>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:ParserRule" name="Definition">
+      <type metamodel="/0/@metamodelDeclarations.1">
+        <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/Xtext/example/Arithmetics#//Definition"/>
+      </type>
+      <alternatives xsi:type="xtext:Group">
+        <elements xsi:type="xtext:Keyword" value="def"/>
+        <elements xsi:type="xtext:Assignment" feature="name" operator="=">
+          <terminal xsi:type="xtext:RuleCall" rule="/1/@rules.0"/>
+        </elements>
+        <elements xsi:type="xtext:Group" cardinality="?">
+          <elements xsi:type="xtext:Keyword" value="("/>
+          <elements xsi:type="xtext:Assignment" feature="args" operator="+=">
+            <terminal xsi:type="xtext:RuleCall" rule="/0/@rules.5"/>
+          </elements>
+          <elements xsi:type="xtext:Group" cardinality="*">
+            <elements xsi:type="xtext:Keyword" value=","/>
+            <elements xsi:type="xtext:Assignment" feature="args" operator="+=">
+              <terminal xsi:type="xtext:RuleCall" rule="/0/@rules.5"/>
+            </elements>
+          </elements>
+          <elements xsi:type="xtext:Keyword" value=")"/>
+        </elements>
+        <elements xsi:type="xtext:Keyword" value=":"/>
+        <elements xsi:type="xtext:Assignment" feature="expr" operator="=">
+          <terminal xsi:type="xtext:RuleCall" rule="/0/@rules.8"/>
+        </elements>
+        <elements xsi:type="xtext:Keyword" value=";"/>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:ParserRule" name="DeclaredParameter">
+      <type metamodel="/0/@metamodelDeclarations.1">
+        <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/Xtext/example/Arithmetics#//DeclaredParameter"/>
+      </type>
+      <alternatives xsi:type="xtext:Assignment" feature="name" operator="=">
+        <terminal xsi:type="xtext:RuleCall" rule="/1/@rules.0"/>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:ParserRule" name="AbstractDefinition">
+      <type metamodel="/0/@metamodelDeclarations.1">
+        <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/Xtext/example/Arithmetics#//AbstractDefinition"/>
+      </type>
+      <alternatives xsi:type="xtext:Alternatives">
+        <elements xsi:type="xtext:RuleCall" rule="/0/@rules.4"/>
+        <elements xsi:type="xtext:RuleCall" rule="/0/@rules.5"/>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:ParserRule" name="Evaluation">
+      <type metamodel="/0/@metamodelDeclarations.1">
+        <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/Xtext/example/Arithmetics#//Evaluation"/>
+      </type>
+      <alternatives xsi:type="xtext:Group">
+        <elements xsi:type="xtext:Assignment" feature="expression" operator="=">
+          <terminal xsi:type="xtext:RuleCall" rule="/0/@rules.8"/>
+        </elements>
+        <elements xsi:type="xtext:Keyword" value=";"/>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:ParserRule" name="Expression">
+      <type metamodel="/0/@metamodelDeclarations.1">
+        <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/Xtext/example/Arithmetics#//Expression"/>
+      </type>
+      <alternatives xsi:type="xtext:RuleCall" rule="/0/@rules.9"/>
+    </rules>
+    <rules xsi:type="xtext:ParserRule" name="Addition">
+      <type metamodel="/0/@metamodelDeclarations.1">
+        <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/Xtext/example/Arithmetics#//Expression"/>
+      </type>
+      <alternatives xsi:type="xtext:Group">
+        <elements xsi:type="xtext:RuleCall" rule="/0/@rules.10"/>
+        <elements xsi:type="xtext:Group" cardinality="*">
+          <elements xsi:type="xtext:Alternatives">
+            <elements xsi:type="xtext:Group">
+              <elements xsi:type="xtext:Action" feature="left" operator="=">
+                <type metamodel="/0/@metamodelDeclarations.1">
+                  <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/Xtext/example/Arithmetics#//Plus"/>
+                </type>
+              </elements>
+              <elements xsi:type="xtext:Keyword" value="+"/>
+            </elements>
+            <elements xsi:type="xtext:Group">
+              <elements xsi:type="xtext:Action" feature="left" operator="=">
+                <type metamodel="/0/@metamodelDeclarations.1">
+                  <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/Xtext/example/Arithmetics#//Minus"/>
+                </type>
+              </elements>
+              <elements xsi:type="xtext:Keyword" value="-"/>
+            </elements>
+          </elements>
+          <elements xsi:type="xtext:Assignment" feature="right" operator="=">
+            <terminal xsi:type="xtext:RuleCall" rule="/0/@rules.10"/>
+          </elements>
+        </elements>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:ParserRule" name="Multiplication">
+      <type metamodel="/0/@metamodelDeclarations.1">
+        <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/Xtext/example/Arithmetics#//Expression"/>
+      </type>
+      <alternatives xsi:type="xtext:Group">
+        <elements xsi:type="xtext:RuleCall" rule="/0/@rules.11"/>
+        <elements xsi:type="xtext:Group" cardinality="*">
+          <elements xsi:type="xtext:Alternatives">
+            <elements xsi:type="xtext:Group">
+              <elements xsi:type="xtext:Action" feature="left" operator="=">
+                <type metamodel="/0/@metamodelDeclarations.1">
+                  <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/Xtext/example/Arithmetics#//Multi"/>
+                </type>
+              </elements>
+              <elements xsi:type="xtext:Keyword" value="*"/>
+            </elements>
+            <elements xsi:type="xtext:Group">
+              <elements xsi:type="xtext:Action" feature="left" operator="=">
+                <type metamodel="/0/@metamodelDeclarations.1">
+                  <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/Xtext/example/Arithmetics#//Div"/>
+                </type>
+              </elements>
+              <elements xsi:type="xtext:Keyword" value="/"/>
+            </elements>
+          </elements>
+          <elements xsi:type="xtext:Assignment" feature="right" operator="=">
+            <terminal xsi:type="xtext:RuleCall" rule="/0/@rules.11"/>
+          </elements>
+        </elements>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:ParserRule" name="PrimaryExpression">
+      <type metamodel="/0/@metamodelDeclarations.1">
+        <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/Xtext/example/Arithmetics#//Expression"/>
+      </type>
+      <alternatives xsi:type="xtext:Alternatives">
+        <elements xsi:type="xtext:Group">
+          <elements xsi:type="xtext:Keyword" value="("/>
+          <elements xsi:type="xtext:RuleCall" rule="/0/@rules.8"/>
+          <elements xsi:type="xtext:Keyword" value=")"/>
+        </elements>
+        <elements xsi:type="xtext:Group">
+          <elements xsi:type="xtext:Action">
+            <type metamodel="/0/@metamodelDeclarations.1">
+              <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/Xtext/example/Arithmetics#//NumberLiteral"/>
+            </type>
+          </elements>
+          <elements xsi:type="xtext:Assignment" feature="value" operator="=">
+            <terminal xsi:type="xtext:RuleCall" rule="/0/@rules.12"/>
+          </elements>
+        </elements>
+        <elements xsi:type="xtext:Group">
+          <elements xsi:type="xtext:Action">
+            <type metamodel="/0/@metamodelDeclarations.1">
+              <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/Xtext/example/Arithmetics#//FunctionCall"/>
+            </type>
+          </elements>
+          <elements xsi:type="xtext:Assignment" feature="func" operator="=">
+            <terminal xsi:type="xtext:CrossReference">
+              <type metamodel="/0/@metamodelDeclarations.1">
+                <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/Xtext/example/Arithmetics#//AbstractDefinition"/>
+              </type>
+              <terminal xsi:type="xtext:RuleCall" rule="/1/@rules.0"/>
+            </terminal>
+          </elements>
+          <elements xsi:type="xtext:Group" cardinality="?">
+            <elements xsi:type="xtext:Keyword" value="("/>
+            <elements xsi:type="xtext:Assignment" feature="args" operator="+=">
+              <terminal xsi:type="xtext:RuleCall" rule="/0/@rules.8"/>
+            </elements>
+            <elements xsi:type="xtext:Group" cardinality="*">
+              <elements xsi:type="xtext:Keyword" value=","/>
+              <elements xsi:type="xtext:Assignment" feature="args" operator="+=">
+                <terminal xsi:type="xtext:RuleCall" rule="/0/@rules.8"/>
+              </elements>
+            </elements>
+            <elements xsi:type="xtext:Keyword" value=")"/>
+          </elements>
+        </elements>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:TerminalRule" name="NUMBER">
+      <type metamodel="/0/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EBigDecimal"/>
+      </type>
+      <alternatives xsi:type="xtext:Group">
+        <elements xsi:type="xtext:CharacterRange" cardinality="*">
+          <left value="0"/>
+          <right value="9"/>
+        </elements>
+        <elements xsi:type="xtext:Group" cardinality="?">
+          <elements xsi:type="xtext:Keyword" value="."/>
+          <elements xsi:type="xtext:CharacterRange" cardinality="+">
+            <left value="0"/>
+            <right value="9"/>
+          </elements>
+        </elements>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:TerminalRule" name="INT">
+      <type metamodel="/0/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EInt"/>
+      </type>
+      <alternatives xsi:type="xtext:Keyword" value="this one has been deactivated"/>
+    </rules>
+  </xtext:Grammar>
+  <xtext:Grammar name="org.eclipse.xtext.common.Terminals" definesHiddenTokens="true" hiddenTokens="/1/@rules.5 /1/@rules.3 /1/@rules.4">
+    <metamodelDeclarations xsi:type="xtext:ReferencedMetamodel" alias="ecore">
+      <ePackage href="http://www.eclipse.org/emf/2002/Ecore#/"/>
+    </metamodelDeclarations>
+    <rules xsi:type="xtext:TerminalRule" name="ID">
+      <type metamodel="/1/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+      </type>
+      <alternatives xsi:type="xtext:Group">
+        <elements xsi:type="xtext:Keyword" cardinality="?" value="^"/>
+        <elements xsi:type="xtext:Alternatives">
+          <elements xsi:type="xtext:CharacterRange">
+            <left value="a"/>
+            <right value="z"/>
+          </elements>
+          <elements xsi:type="xtext:CharacterRange">
+            <left value="A"/>
+            <right value="Z"/>
+          </elements>
+          <elements xsi:type="xtext:Keyword" value="_"/>
+        </elements>
+        <elements xsi:type="xtext:Alternatives" cardinality="*">
+          <elements xsi:type="xtext:CharacterRange">
+            <left value="a"/>
+            <right value="z"/>
+          </elements>
+          <elements xsi:type="xtext:CharacterRange">
+            <left value="A"/>
+            <right value="Z"/>
+          </elements>
+          <elements xsi:type="xtext:Keyword" value="_"/>
+          <elements xsi:type="xtext:CharacterRange">
+            <left value="0"/>
+            <right value="9"/>
+          </elements>
+        </elements>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:TerminalRule" name="INT">
+      <type metamodel="/1/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EInt"/>
+      </type>
+      <alternatives xsi:type="xtext:CharacterRange" cardinality="+">
+        <left value="0"/>
+        <right value="9"/>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:TerminalRule" name="STRING">
+      <type metamodel="/1/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+      </type>
+      <alternatives xsi:type="xtext:Alternatives">
+        <elements xsi:type="xtext:Group">
+          <elements xsi:type="xtext:Keyword" value="&quot;"/>
+          <elements xsi:type="xtext:Alternatives" cardinality="*">
+            <elements xsi:type="xtext:Group">
+              <elements xsi:type="xtext:Keyword" value="\"/>
+              <elements xsi:type="xtext:Alternatives">
+                <elements xsi:type="xtext:Keyword" value="b"/>
+                <elements xsi:type="xtext:Keyword" value="t"/>
+                <elements xsi:type="xtext:Keyword" value="n"/>
+                <elements xsi:type="xtext:Keyword" value="f"/>
+                <elements xsi:type="xtext:Keyword" value="r"/>
+                <elements xsi:type="xtext:Keyword" value="u"/>
+                <elements xsi:type="xtext:Keyword" value="&quot;"/>
+                <elements xsi:type="xtext:Keyword" value="'"/>
+                <elements xsi:type="xtext:Keyword" value="\"/>
+              </elements>
+            </elements>
+            <elements xsi:type="xtext:NegatedToken">
+              <terminal xsi:type="xtext:Alternatives">
+                <elements xsi:type="xtext:Keyword" value="\"/>
+                <elements xsi:type="xtext:Keyword" value="&quot;"/>
+              </terminal>
+            </elements>
+          </elements>
+          <elements xsi:type="xtext:Keyword" value="&quot;"/>
+        </elements>
+        <elements xsi:type="xtext:Group">
+          <elements xsi:type="xtext:Keyword" value="'"/>
+          <elements xsi:type="xtext:Alternatives" cardinality="*">
+            <elements xsi:type="xtext:Group">
+              <elements xsi:type="xtext:Keyword" value="\"/>
+              <elements xsi:type="xtext:Alternatives">
+                <elements xsi:type="xtext:Keyword" value="b"/>
+                <elements xsi:type="xtext:Keyword" value="t"/>
+                <elements xsi:type="xtext:Keyword" value="n"/>
+                <elements xsi:type="xtext:Keyword" value="f"/>
+                <elements xsi:type="xtext:Keyword" value="r"/>
+                <elements xsi:type="xtext:Keyword" value="u"/>
+                <elements xsi:type="xtext:Keyword" value="&quot;"/>
+                <elements xsi:type="xtext:Keyword" value="'"/>
+                <elements xsi:type="xtext:Keyword" value="\"/>
+              </elements>
+            </elements>
+            <elements xsi:type="xtext:NegatedToken">
+              <terminal xsi:type="xtext:Alternatives">
+                <elements xsi:type="xtext:Keyword" value="\"/>
+                <elements xsi:type="xtext:Keyword" value="'"/>
+              </terminal>
+            </elements>
+          </elements>
+          <elements xsi:type="xtext:Keyword" value="'"/>
+        </elements>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:TerminalRule" name="ML_COMMENT">
+      <type metamodel="/1/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+      </type>
+      <alternatives xsi:type="xtext:Group">
+        <elements xsi:type="xtext:Keyword" value="/*"/>
+        <elements xsi:type="xtext:UntilToken">
+          <terminal xsi:type="xtext:Keyword" value="*/"/>
+        </elements>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:TerminalRule" name="SL_COMMENT">
+      <type metamodel="/1/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+      </type>
+      <alternatives xsi:type="xtext:Group">
+        <elements xsi:type="xtext:Keyword" value="//"/>
+        <elements xsi:type="xtext:NegatedToken" cardinality="*">
+          <terminal xsi:type="xtext:Alternatives">
+            <elements xsi:type="xtext:Keyword" value="&#xA;"/>
+            <elements xsi:type="xtext:Keyword" value="&#xD;"/>
+          </terminal>
+        </elements>
+        <elements xsi:type="xtext:Group" cardinality="?">
+          <elements xsi:type="xtext:Keyword" cardinality="?" value="&#xD;"/>
+          <elements xsi:type="xtext:Keyword" value="&#xA;"/>
+        </elements>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:TerminalRule" name="WS">
+      <type metamodel="/1/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+      </type>
+      <alternatives xsi:type="xtext:Alternatives" cardinality="+">
+        <elements xsi:type="xtext:Keyword" value=" "/>
+        <elements xsi:type="xtext:Keyword" value="&#x9;"/>
+        <elements xsi:type="xtext:Keyword" value="&#xD;"/>
+        <elements xsi:type="xtext:Keyword" value="&#xA;"/>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:TerminalRule" name="ANY_OTHER">
+      <type metamodel="/1/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+      </type>
+      <alternatives xsi:type="xtext:Wildcard"/>
+    </rules>
+  </xtext:Grammar>
+</xmi:XMI>
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/ArithmeticsStandaloneSetupGenerated.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/ArithmeticsStandaloneSetupGenerated.java
new file mode 100644
index 0000000..660da6d
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/ArithmeticsStandaloneSetupGenerated.java
@@ -0,0 +1,43 @@
+
+package org.eclipse.xtext.example.arithmetics;
+
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.xtext.ISetup;
+import org.eclipse.emf.ecore.resource.Resource;
+
+import com.google.inject.Guice;
+import com.google.inject.Injector;
+
+/**
+ * Generated from StandaloneSetup.xpt!
+ */
+@SuppressWarnings("all")
+public class ArithmeticsStandaloneSetupGenerated implements ISetup {
+
+	public Injector createInjectorAndDoEMFRegistration() {
+		org.eclipse.xtext.common.TerminalsStandaloneSetup.doSetup();
+
+		Injector injector = createInjector();
+		register(injector);
+		return injector;
+	}
+	
+	public Injector createInjector() {
+		return Guice.createInjector(new org.eclipse.xtext.example.arithmetics.ArithmeticsRuntimeModule());
+	}
+	
+	public void register(Injector injector) {
+	if (!EPackage.Registry.INSTANCE.containsKey("http://www.eclipse.org/Xtext/example/Arithmetics")) {
+		EPackage.Registry.INSTANCE.put("http://www.eclipse.org/Xtext/example/Arithmetics", org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage.eINSTANCE);
+	}
+
+		org.eclipse.xtext.resource.IResourceFactory resourceFactory = injector.getInstance(org.eclipse.xtext.resource.IResourceFactory.class);
+		org.eclipse.xtext.resource.IResourceServiceProvider serviceProvider = injector.getInstance(org.eclipse.xtext.resource.IResourceServiceProvider.class);
+		Resource.Factory.Registry.INSTANCE.getExtensionToFactoryMap().put("calc", resourceFactory);
+		org.eclipse.xtext.resource.IResourceServiceProvider.Registry.INSTANCE.getExtensionToFactoryMap().put("calc", serviceProvider);
+		
+
+
+
+	}
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/AbstractDefinition.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/AbstractDefinition.java
new file mode 100644
index 0000000..6e213df
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/AbstractDefinition.java
@@ -0,0 +1,54 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Abstract Definition</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.AbstractDefinition#getName <em>Name</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getAbstractDefinition()
+ * @model
+ * @generated
+ */
+public interface AbstractDefinition extends EObject
+{
+  /**
+   * Returns the value of the '<em><b>Name</b></em>' attribute.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Name</em>' attribute isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Name</em>' attribute.
+   * @see #setName(String)
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getAbstractDefinition_Name()
+   * @model
+   * @generated
+   */
+  String getName();
+
+  /**
+   * Sets the value of the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.AbstractDefinition#getName <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param value the new value of the '<em>Name</em>' attribute.
+   * @see #getName()
+   * @generated
+   */
+  void setName(String value);
+
+} // AbstractDefinition
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/ArithmeticsFactory.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/ArithmeticsFactory.java
new file mode 100644
index 0000000..d4cfaaa
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/ArithmeticsFactory.java
@@ -0,0 +1,163 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics;
+
+import org.eclipse.emf.ecore.EFactory;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Factory</b> for the model.
+ * It provides a create method for each non-abstract class of the model.
+ * <!-- end-user-doc -->
+ * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage
+ * @generated
+ */
+public interface ArithmeticsFactory extends EFactory
+{
+  /**
+   * The singleton instance of the factory.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  ArithmeticsFactory eINSTANCE = org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsFactoryImpl.init();
+
+  /**
+   * Returns a new object of class '<em>Module</em>'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return a new object of class '<em>Module</em>'.
+   * @generated
+   */
+  Module createModule();
+
+  /**
+   * Returns a new object of class '<em>Import</em>'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return a new object of class '<em>Import</em>'.
+   * @generated
+   */
+  Import createImport();
+
+  /**
+   * Returns a new object of class '<em>Statement</em>'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return a new object of class '<em>Statement</em>'.
+   * @generated
+   */
+  Statement createStatement();
+
+  /**
+   * Returns a new object of class '<em>Definition</em>'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return a new object of class '<em>Definition</em>'.
+   * @generated
+   */
+  Definition createDefinition();
+
+  /**
+   * Returns a new object of class '<em>Declared Parameter</em>'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return a new object of class '<em>Declared Parameter</em>'.
+   * @generated
+   */
+  DeclaredParameter createDeclaredParameter();
+
+  /**
+   * Returns a new object of class '<em>Abstract Definition</em>'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return a new object of class '<em>Abstract Definition</em>'.
+   * @generated
+   */
+  AbstractDefinition createAbstractDefinition();
+
+  /**
+   * Returns a new object of class '<em>Evaluation</em>'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return a new object of class '<em>Evaluation</em>'.
+   * @generated
+   */
+  Evaluation createEvaluation();
+
+  /**
+   * Returns a new object of class '<em>Expression</em>'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return a new object of class '<em>Expression</em>'.
+   * @generated
+   */
+  Expression createExpression();
+
+  /**
+   * Returns a new object of class '<em>Plus</em>'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return a new object of class '<em>Plus</em>'.
+   * @generated
+   */
+  Plus createPlus();
+
+  /**
+   * Returns a new object of class '<em>Minus</em>'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return a new object of class '<em>Minus</em>'.
+   * @generated
+   */
+  Minus createMinus();
+
+  /**
+   * Returns a new object of class '<em>Multi</em>'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return a new object of class '<em>Multi</em>'.
+   * @generated
+   */
+  Multi createMulti();
+
+  /**
+   * Returns a new object of class '<em>Div</em>'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return a new object of class '<em>Div</em>'.
+   * @generated
+   */
+  Div createDiv();
+
+  /**
+   * Returns a new object of class '<em>Number Literal</em>'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return a new object of class '<em>Number Literal</em>'.
+   * @generated
+   */
+  NumberLiteral createNumberLiteral();
+
+  /**
+   * Returns a new object of class '<em>Function Call</em>'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return a new object of class '<em>Function Call</em>'.
+   * @generated
+   */
+  FunctionCall createFunctionCall();
+
+  /**
+   * Returns the package supported by this factory.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the package supported by this factory.
+   * @generated
+   */
+  ArithmeticsPackage getArithmeticsPackage();
+
+} //ArithmeticsFactory
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/ArithmeticsPackage.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/ArithmeticsPackage.java
new file mode 100644
index 0000000..6630d12
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/ArithmeticsPackage.java
@@ -0,0 +1,1184 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Package</b> for the model.
+ * It contains accessors for the meta objects to represent
+ * <ul>
+ *   <li>each class,</li>
+ *   <li>each feature of each class,</li>
+ *   <li>each enum,</li>
+ *   <li>and each data type</li>
+ * </ul>
+ * <!-- end-user-doc -->
+ * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsFactory
+ * @model kind="package"
+ * @generated
+ */
+public interface ArithmeticsPackage extends EPackage
+{
+  /**
+   * The package name.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  String eNAME = "arithmetics";
+
+  /**
+   * The package namespace URI.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  String eNS_URI = "http://www.eclipse.org/Xtext/example/Arithmetics";
+
+  /**
+   * The package namespace name.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  String eNS_PREFIX = "arithmetics";
+
+  /**
+   * The singleton instance of the package.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  ArithmeticsPackage eINSTANCE = org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl.init();
+
+  /**
+   * The meta object id for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.ModuleImpl <em>Module</em>}' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ModuleImpl
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getModule()
+   * @generated
+   */
+  int MODULE = 0;
+
+  /**
+   * The feature id for the '<em><b>Name</b></em>' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int MODULE__NAME = 0;
+
+  /**
+   * The feature id for the '<em><b>Imports</b></em>' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int MODULE__IMPORTS = 1;
+
+  /**
+   * The feature id for the '<em><b>Statements</b></em>' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int MODULE__STATEMENTS = 2;
+
+  /**
+   * The number of structural features of the '<em>Module</em>' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int MODULE_FEATURE_COUNT = 3;
+
+  /**
+   * The meta object id for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.ImportImpl <em>Import</em>}' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ImportImpl
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getImport()
+   * @generated
+   */
+  int IMPORT = 1;
+
+  /**
+   * The feature id for the '<em><b>Imported Namespace</b></em>' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int IMPORT__IMPORTED_NAMESPACE = 0;
+
+  /**
+   * The number of structural features of the '<em>Import</em>' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int IMPORT_FEATURE_COUNT = 1;
+
+  /**
+   * The meta object id for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.StatementImpl <em>Statement</em>}' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.StatementImpl
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getStatement()
+   * @generated
+   */
+  int STATEMENT = 2;
+
+  /**
+   * The number of structural features of the '<em>Statement</em>' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int STATEMENT_FEATURE_COUNT = 0;
+
+  /**
+   * The meta object id for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.DefinitionImpl <em>Definition</em>}' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.DefinitionImpl
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getDefinition()
+   * @generated
+   */
+  int DEFINITION = 3;
+
+  /**
+   * The feature id for the '<em><b>Name</b></em>' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int DEFINITION__NAME = STATEMENT_FEATURE_COUNT + 0;
+
+  /**
+   * The feature id for the '<em><b>Args</b></em>' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int DEFINITION__ARGS = STATEMENT_FEATURE_COUNT + 1;
+
+  /**
+   * The feature id for the '<em><b>Expr</b></em>' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int DEFINITION__EXPR = STATEMENT_FEATURE_COUNT + 2;
+
+  /**
+   * The number of structural features of the '<em>Definition</em>' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int DEFINITION_FEATURE_COUNT = STATEMENT_FEATURE_COUNT + 3;
+
+  /**
+   * The meta object id for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.AbstractDefinitionImpl <em>Abstract Definition</em>}' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.AbstractDefinitionImpl
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getAbstractDefinition()
+   * @generated
+   */
+  int ABSTRACT_DEFINITION = 5;
+
+  /**
+   * The feature id for the '<em><b>Name</b></em>' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int ABSTRACT_DEFINITION__NAME = 0;
+
+  /**
+   * The number of structural features of the '<em>Abstract Definition</em>' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int ABSTRACT_DEFINITION_FEATURE_COUNT = 1;
+
+  /**
+   * The meta object id for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.DeclaredParameterImpl <em>Declared Parameter</em>}' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.DeclaredParameterImpl
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getDeclaredParameter()
+   * @generated
+   */
+  int DECLARED_PARAMETER = 4;
+
+  /**
+   * The feature id for the '<em><b>Name</b></em>' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int DECLARED_PARAMETER__NAME = ABSTRACT_DEFINITION__NAME;
+
+  /**
+   * The number of structural features of the '<em>Declared Parameter</em>' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int DECLARED_PARAMETER_FEATURE_COUNT = ABSTRACT_DEFINITION_FEATURE_COUNT + 0;
+
+  /**
+   * The meta object id for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.EvaluationImpl <em>Evaluation</em>}' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.EvaluationImpl
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getEvaluation()
+   * @generated
+   */
+  int EVALUATION = 6;
+
+  /**
+   * The feature id for the '<em><b>Expression</b></em>' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int EVALUATION__EXPRESSION = STATEMENT_FEATURE_COUNT + 0;
+
+  /**
+   * The number of structural features of the '<em>Evaluation</em>' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int EVALUATION_FEATURE_COUNT = STATEMENT_FEATURE_COUNT + 1;
+
+  /**
+   * The meta object id for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.ExpressionImpl <em>Expression</em>}' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ExpressionImpl
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getExpression()
+   * @generated
+   */
+  int EXPRESSION = 7;
+
+  /**
+   * The number of structural features of the '<em>Expression</em>' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int EXPRESSION_FEATURE_COUNT = 0;
+
+  /**
+   * The meta object id for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.PlusImpl <em>Plus</em>}' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.PlusImpl
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getPlus()
+   * @generated
+   */
+  int PLUS = 8;
+
+  /**
+   * The feature id for the '<em><b>Left</b></em>' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int PLUS__LEFT = EXPRESSION_FEATURE_COUNT + 0;
+
+  /**
+   * The feature id for the '<em><b>Right</b></em>' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int PLUS__RIGHT = EXPRESSION_FEATURE_COUNT + 1;
+
+  /**
+   * The number of structural features of the '<em>Plus</em>' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int PLUS_FEATURE_COUNT = EXPRESSION_FEATURE_COUNT + 2;
+
+  /**
+   * The meta object id for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.MinusImpl <em>Minus</em>}' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.MinusImpl
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getMinus()
+   * @generated
+   */
+  int MINUS = 9;
+
+  /**
+   * The feature id for the '<em><b>Left</b></em>' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int MINUS__LEFT = EXPRESSION_FEATURE_COUNT + 0;
+
+  /**
+   * The feature id for the '<em><b>Right</b></em>' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int MINUS__RIGHT = EXPRESSION_FEATURE_COUNT + 1;
+
+  /**
+   * The number of structural features of the '<em>Minus</em>' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int MINUS_FEATURE_COUNT = EXPRESSION_FEATURE_COUNT + 2;
+
+  /**
+   * The meta object id for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.MultiImpl <em>Multi</em>}' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.MultiImpl
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getMulti()
+   * @generated
+   */
+  int MULTI = 10;
+
+  /**
+   * The feature id for the '<em><b>Left</b></em>' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int MULTI__LEFT = EXPRESSION_FEATURE_COUNT + 0;
+
+  /**
+   * The feature id for the '<em><b>Right</b></em>' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int MULTI__RIGHT = EXPRESSION_FEATURE_COUNT + 1;
+
+  /**
+   * The number of structural features of the '<em>Multi</em>' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int MULTI_FEATURE_COUNT = EXPRESSION_FEATURE_COUNT + 2;
+
+  /**
+   * The meta object id for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.DivImpl <em>Div</em>}' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.DivImpl
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getDiv()
+   * @generated
+   */
+  int DIV = 11;
+
+  /**
+   * The feature id for the '<em><b>Left</b></em>' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int DIV__LEFT = EXPRESSION_FEATURE_COUNT + 0;
+
+  /**
+   * The feature id for the '<em><b>Right</b></em>' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int DIV__RIGHT = EXPRESSION_FEATURE_COUNT + 1;
+
+  /**
+   * The number of structural features of the '<em>Div</em>' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int DIV_FEATURE_COUNT = EXPRESSION_FEATURE_COUNT + 2;
+
+  /**
+   * The meta object id for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.NumberLiteralImpl <em>Number Literal</em>}' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.NumberLiteralImpl
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getNumberLiteral()
+   * @generated
+   */
+  int NUMBER_LITERAL = 12;
+
+  /**
+   * The feature id for the '<em><b>Value</b></em>' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int NUMBER_LITERAL__VALUE = EXPRESSION_FEATURE_COUNT + 0;
+
+  /**
+   * The number of structural features of the '<em>Number Literal</em>' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int NUMBER_LITERAL_FEATURE_COUNT = EXPRESSION_FEATURE_COUNT + 1;
+
+  /**
+   * The meta object id for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.FunctionCallImpl <em>Function Call</em>}' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.FunctionCallImpl
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getFunctionCall()
+   * @generated
+   */
+  int FUNCTION_CALL = 13;
+
+  /**
+   * The feature id for the '<em><b>Func</b></em>' reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int FUNCTION_CALL__FUNC = EXPRESSION_FEATURE_COUNT + 0;
+
+  /**
+   * The feature id for the '<em><b>Args</b></em>' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int FUNCTION_CALL__ARGS = EXPRESSION_FEATURE_COUNT + 1;
+
+  /**
+   * The number of structural features of the '<em>Function Call</em>' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int FUNCTION_CALL_FEATURE_COUNT = EXPRESSION_FEATURE_COUNT + 2;
+
+
+  /**
+   * Returns the meta object for class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Module <em>Module</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for class '<em>Module</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Module
+   * @generated
+   */
+  EClass getModule();
+
+  /**
+   * Returns the meta object for the attribute '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Module#getName <em>Name</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the attribute '<em>Name</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Module#getName()
+   * @see #getModule()
+   * @generated
+   */
+  EAttribute getModule_Name();
+
+  /**
+   * Returns the meta object for the containment reference list '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Module#getImports <em>Imports</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the containment reference list '<em>Imports</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Module#getImports()
+   * @see #getModule()
+   * @generated
+   */
+  EReference getModule_Imports();
+
+  /**
+   * Returns the meta object for the containment reference list '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Module#getStatements <em>Statements</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the containment reference list '<em>Statements</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Module#getStatements()
+   * @see #getModule()
+   * @generated
+   */
+  EReference getModule_Statements();
+
+  /**
+   * Returns the meta object for class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Import <em>Import</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for class '<em>Import</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Import
+   * @generated
+   */
+  EClass getImport();
+
+  /**
+   * Returns the meta object for the attribute '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Import#getImportedNamespace <em>Imported Namespace</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the attribute '<em>Imported Namespace</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Import#getImportedNamespace()
+   * @see #getImport()
+   * @generated
+   */
+  EAttribute getImport_ImportedNamespace();
+
+  /**
+   * Returns the meta object for class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Statement <em>Statement</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for class '<em>Statement</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Statement
+   * @generated
+   */
+  EClass getStatement();
+
+  /**
+   * Returns the meta object for class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Definition <em>Definition</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for class '<em>Definition</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Definition
+   * @generated
+   */
+  EClass getDefinition();
+
+  /**
+   * Returns the meta object for the containment reference list '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Definition#getArgs <em>Args</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the containment reference list '<em>Args</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Definition#getArgs()
+   * @see #getDefinition()
+   * @generated
+   */
+  EReference getDefinition_Args();
+
+  /**
+   * Returns the meta object for the containment reference '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Definition#getExpr <em>Expr</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the containment reference '<em>Expr</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Definition#getExpr()
+   * @see #getDefinition()
+   * @generated
+   */
+  EReference getDefinition_Expr();
+
+  /**
+   * Returns the meta object for class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.DeclaredParameter <em>Declared Parameter</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for class '<em>Declared Parameter</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.DeclaredParameter
+   * @generated
+   */
+  EClass getDeclaredParameter();
+
+  /**
+   * Returns the meta object for class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.AbstractDefinition <em>Abstract Definition</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for class '<em>Abstract Definition</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.AbstractDefinition
+   * @generated
+   */
+  EClass getAbstractDefinition();
+
+  /**
+   * Returns the meta object for the attribute '{@link org.eclipse.xtext.example.arithmetics.arithmetics.AbstractDefinition#getName <em>Name</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the attribute '<em>Name</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.AbstractDefinition#getName()
+   * @see #getAbstractDefinition()
+   * @generated
+   */
+  EAttribute getAbstractDefinition_Name();
+
+  /**
+   * Returns the meta object for class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Evaluation <em>Evaluation</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for class '<em>Evaluation</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Evaluation
+   * @generated
+   */
+  EClass getEvaluation();
+
+  /**
+   * Returns the meta object for the containment reference '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Evaluation#getExpression <em>Expression</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the containment reference '<em>Expression</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Evaluation#getExpression()
+   * @see #getEvaluation()
+   * @generated
+   */
+  EReference getEvaluation_Expression();
+
+  /**
+   * Returns the meta object for class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Expression <em>Expression</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for class '<em>Expression</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Expression
+   * @generated
+   */
+  EClass getExpression();
+
+  /**
+   * Returns the meta object for class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Plus <em>Plus</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for class '<em>Plus</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Plus
+   * @generated
+   */
+  EClass getPlus();
+
+  /**
+   * Returns the meta object for the containment reference '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Plus#getLeft <em>Left</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the containment reference '<em>Left</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Plus#getLeft()
+   * @see #getPlus()
+   * @generated
+   */
+  EReference getPlus_Left();
+
+  /**
+   * Returns the meta object for the containment reference '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Plus#getRight <em>Right</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the containment reference '<em>Right</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Plus#getRight()
+   * @see #getPlus()
+   * @generated
+   */
+  EReference getPlus_Right();
+
+  /**
+   * Returns the meta object for class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Minus <em>Minus</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for class '<em>Minus</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Minus
+   * @generated
+   */
+  EClass getMinus();
+
+  /**
+   * Returns the meta object for the containment reference '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Minus#getLeft <em>Left</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the containment reference '<em>Left</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Minus#getLeft()
+   * @see #getMinus()
+   * @generated
+   */
+  EReference getMinus_Left();
+
+  /**
+   * Returns the meta object for the containment reference '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Minus#getRight <em>Right</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the containment reference '<em>Right</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Minus#getRight()
+   * @see #getMinus()
+   * @generated
+   */
+  EReference getMinus_Right();
+
+  /**
+   * Returns the meta object for class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Multi <em>Multi</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for class '<em>Multi</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Multi
+   * @generated
+   */
+  EClass getMulti();
+
+  /**
+   * Returns the meta object for the containment reference '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Multi#getLeft <em>Left</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the containment reference '<em>Left</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Multi#getLeft()
+   * @see #getMulti()
+   * @generated
+   */
+  EReference getMulti_Left();
+
+  /**
+   * Returns the meta object for the containment reference '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Multi#getRight <em>Right</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the containment reference '<em>Right</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Multi#getRight()
+   * @see #getMulti()
+   * @generated
+   */
+  EReference getMulti_Right();
+
+  /**
+   * Returns the meta object for class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Div <em>Div</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for class '<em>Div</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Div
+   * @generated
+   */
+  EClass getDiv();
+
+  /**
+   * Returns the meta object for the containment reference '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Div#getLeft <em>Left</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the containment reference '<em>Left</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Div#getLeft()
+   * @see #getDiv()
+   * @generated
+   */
+  EReference getDiv_Left();
+
+  /**
+   * Returns the meta object for the containment reference '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Div#getRight <em>Right</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the containment reference '<em>Right</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Div#getRight()
+   * @see #getDiv()
+   * @generated
+   */
+  EReference getDiv_Right();
+
+  /**
+   * Returns the meta object for class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.NumberLiteral <em>Number Literal</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for class '<em>Number Literal</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.NumberLiteral
+   * @generated
+   */
+  EClass getNumberLiteral();
+
+  /**
+   * Returns the meta object for the attribute '{@link org.eclipse.xtext.example.arithmetics.arithmetics.NumberLiteral#getValue <em>Value</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the attribute '<em>Value</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.NumberLiteral#getValue()
+   * @see #getNumberLiteral()
+   * @generated
+   */
+  EAttribute getNumberLiteral_Value();
+
+  /**
+   * Returns the meta object for class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.FunctionCall <em>Function Call</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for class '<em>Function Call</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.FunctionCall
+   * @generated
+   */
+  EClass getFunctionCall();
+
+  /**
+   * Returns the meta object for the reference '{@link org.eclipse.xtext.example.arithmetics.arithmetics.FunctionCall#getFunc <em>Func</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the reference '<em>Func</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.FunctionCall#getFunc()
+   * @see #getFunctionCall()
+   * @generated
+   */
+  EReference getFunctionCall_Func();
+
+  /**
+   * Returns the meta object for the containment reference list '{@link org.eclipse.xtext.example.arithmetics.arithmetics.FunctionCall#getArgs <em>Args</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the containment reference list '<em>Args</em>'.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.FunctionCall#getArgs()
+   * @see #getFunctionCall()
+   * @generated
+   */
+  EReference getFunctionCall_Args();
+
+  /**
+   * Returns the factory that creates the instances of the model.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the factory that creates the instances of the model.
+   * @generated
+   */
+  ArithmeticsFactory getArithmeticsFactory();
+
+  /**
+   * <!-- begin-user-doc -->
+   * Defines literals for the meta objects that represent
+   * <ul>
+   *   <li>each class,</li>
+   *   <li>each feature of each class,</li>
+   *   <li>each enum,</li>
+   *   <li>and each data type</li>
+   * </ul>
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  interface Literals
+  {
+    /**
+     * The meta object literal for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.ModuleImpl <em>Module</em>}' class.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ModuleImpl
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getModule()
+     * @generated
+     */
+    EClass MODULE = eINSTANCE.getModule();
+
+    /**
+     * The meta object literal for the '<em><b>Name</b></em>' attribute feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EAttribute MODULE__NAME = eINSTANCE.getModule_Name();
+
+    /**
+     * The meta object literal for the '<em><b>Imports</b></em>' containment reference list feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference MODULE__IMPORTS = eINSTANCE.getModule_Imports();
+
+    /**
+     * The meta object literal for the '<em><b>Statements</b></em>' containment reference list feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference MODULE__STATEMENTS = eINSTANCE.getModule_Statements();
+
+    /**
+     * The meta object literal for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.ImportImpl <em>Import</em>}' class.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ImportImpl
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getImport()
+     * @generated
+     */
+    EClass IMPORT = eINSTANCE.getImport();
+
+    /**
+     * The meta object literal for the '<em><b>Imported Namespace</b></em>' attribute feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EAttribute IMPORT__IMPORTED_NAMESPACE = eINSTANCE.getImport_ImportedNamespace();
+
+    /**
+     * The meta object literal for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.StatementImpl <em>Statement</em>}' class.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.StatementImpl
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getStatement()
+     * @generated
+     */
+    EClass STATEMENT = eINSTANCE.getStatement();
+
+    /**
+     * The meta object literal for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.DefinitionImpl <em>Definition</em>}' class.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.DefinitionImpl
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getDefinition()
+     * @generated
+     */
+    EClass DEFINITION = eINSTANCE.getDefinition();
+
+    /**
+     * The meta object literal for the '<em><b>Args</b></em>' containment reference list feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference DEFINITION__ARGS = eINSTANCE.getDefinition_Args();
+
+    /**
+     * The meta object literal for the '<em><b>Expr</b></em>' containment reference feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference DEFINITION__EXPR = eINSTANCE.getDefinition_Expr();
+
+    /**
+     * The meta object literal for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.DeclaredParameterImpl <em>Declared Parameter</em>}' class.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.DeclaredParameterImpl
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getDeclaredParameter()
+     * @generated
+     */
+    EClass DECLARED_PARAMETER = eINSTANCE.getDeclaredParameter();
+
+    /**
+     * The meta object literal for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.AbstractDefinitionImpl <em>Abstract Definition</em>}' class.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.AbstractDefinitionImpl
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getAbstractDefinition()
+     * @generated
+     */
+    EClass ABSTRACT_DEFINITION = eINSTANCE.getAbstractDefinition();
+
+    /**
+     * The meta object literal for the '<em><b>Name</b></em>' attribute feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EAttribute ABSTRACT_DEFINITION__NAME = eINSTANCE.getAbstractDefinition_Name();
+
+    /**
+     * The meta object literal for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.EvaluationImpl <em>Evaluation</em>}' class.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.EvaluationImpl
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getEvaluation()
+     * @generated
+     */
+    EClass EVALUATION = eINSTANCE.getEvaluation();
+
+    /**
+     * The meta object literal for the '<em><b>Expression</b></em>' containment reference feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference EVALUATION__EXPRESSION = eINSTANCE.getEvaluation_Expression();
+
+    /**
+     * The meta object literal for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.ExpressionImpl <em>Expression</em>}' class.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ExpressionImpl
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getExpression()
+     * @generated
+     */
+    EClass EXPRESSION = eINSTANCE.getExpression();
+
+    /**
+     * The meta object literal for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.PlusImpl <em>Plus</em>}' class.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.PlusImpl
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getPlus()
+     * @generated
+     */
+    EClass PLUS = eINSTANCE.getPlus();
+
+    /**
+     * The meta object literal for the '<em><b>Left</b></em>' containment reference feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference PLUS__LEFT = eINSTANCE.getPlus_Left();
+
+    /**
+     * The meta object literal for the '<em><b>Right</b></em>' containment reference feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference PLUS__RIGHT = eINSTANCE.getPlus_Right();
+
+    /**
+     * The meta object literal for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.MinusImpl <em>Minus</em>}' class.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.MinusImpl
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getMinus()
+     * @generated
+     */
+    EClass MINUS = eINSTANCE.getMinus();
+
+    /**
+     * The meta object literal for the '<em><b>Left</b></em>' containment reference feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference MINUS__LEFT = eINSTANCE.getMinus_Left();
+
+    /**
+     * The meta object literal for the '<em><b>Right</b></em>' containment reference feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference MINUS__RIGHT = eINSTANCE.getMinus_Right();
+
+    /**
+     * The meta object literal for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.MultiImpl <em>Multi</em>}' class.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.MultiImpl
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getMulti()
+     * @generated
+     */
+    EClass MULTI = eINSTANCE.getMulti();
+
+    /**
+     * The meta object literal for the '<em><b>Left</b></em>' containment reference feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference MULTI__LEFT = eINSTANCE.getMulti_Left();
+
+    /**
+     * The meta object literal for the '<em><b>Right</b></em>' containment reference feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference MULTI__RIGHT = eINSTANCE.getMulti_Right();
+
+    /**
+     * The meta object literal for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.DivImpl <em>Div</em>}' class.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.DivImpl
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getDiv()
+     * @generated
+     */
+    EClass DIV = eINSTANCE.getDiv();
+
+    /**
+     * The meta object literal for the '<em><b>Left</b></em>' containment reference feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference DIV__LEFT = eINSTANCE.getDiv_Left();
+
+    /**
+     * The meta object literal for the '<em><b>Right</b></em>' containment reference feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference DIV__RIGHT = eINSTANCE.getDiv_Right();
+
+    /**
+     * The meta object literal for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.NumberLiteralImpl <em>Number Literal</em>}' class.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.NumberLiteralImpl
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getNumberLiteral()
+     * @generated
+     */
+    EClass NUMBER_LITERAL = eINSTANCE.getNumberLiteral();
+
+    /**
+     * The meta object literal for the '<em><b>Value</b></em>' attribute feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EAttribute NUMBER_LITERAL__VALUE = eINSTANCE.getNumberLiteral_Value();
+
+    /**
+     * The meta object literal for the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.FunctionCallImpl <em>Function Call</em>}' class.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.FunctionCallImpl
+     * @see org.eclipse.xtext.example.arithmetics.arithmetics.impl.ArithmeticsPackageImpl#getFunctionCall()
+     * @generated
+     */
+    EClass FUNCTION_CALL = eINSTANCE.getFunctionCall();
+
+    /**
+     * The meta object literal for the '<em><b>Func</b></em>' reference feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference FUNCTION_CALL__FUNC = eINSTANCE.getFunctionCall_Func();
+
+    /**
+     * The meta object literal for the '<em><b>Args</b></em>' containment reference list feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference FUNCTION_CALL__ARGS = eINSTANCE.getFunctionCall_Args();
+
+  }
+
+} //ArithmeticsPackage
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/DeclaredParameter.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/DeclaredParameter.java
new file mode 100644
index 0000000..cdf36a8
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/DeclaredParameter.java
@@ -0,0 +1,21 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics;
+
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Declared Parameter</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ *
+ * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getDeclaredParameter()
+ * @model
+ * @generated
+ */
+public interface DeclaredParameter extends AbstractDefinition
+{
+} // DeclaredParameter
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Definition.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Definition.java
new file mode 100644
index 0000000..b25b363
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Definition.java
@@ -0,0 +1,71 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics;
+
+import org.eclipse.emf.common.util.EList;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Definition</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.Definition#getArgs <em>Args</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.Definition#getExpr <em>Expr</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getDefinition()
+ * @model
+ * @generated
+ */
+public interface Definition extends Statement, AbstractDefinition
+{
+  /**
+   * Returns the value of the '<em><b>Args</b></em>' containment reference list.
+   * The list contents are of type {@link org.eclipse.xtext.example.arithmetics.arithmetics.DeclaredParameter}.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Args</em>' containment reference list isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Args</em>' containment reference list.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getDefinition_Args()
+   * @model containment="true"
+   * @generated
+   */
+  EList<DeclaredParameter> getArgs();
+
+  /**
+   * Returns the value of the '<em><b>Expr</b></em>' containment reference.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Expr</em>' containment reference isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Expr</em>' containment reference.
+   * @see #setExpr(Expression)
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getDefinition_Expr()
+   * @model containment="true"
+   * @generated
+   */
+  Expression getExpr();
+
+  /**
+   * Sets the value of the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Definition#getExpr <em>Expr</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param value the new value of the '<em>Expr</em>' containment reference.
+   * @see #getExpr()
+   * @generated
+   */
+  void setExpr(Expression value);
+
+} // Definition
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Div.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Div.java
new file mode 100644
index 0000000..7c58c75
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Div.java
@@ -0,0 +1,80 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics;
+
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Div</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.Div#getLeft <em>Left</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.Div#getRight <em>Right</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getDiv()
+ * @model
+ * @generated
+ */
+public interface Div extends Expression
+{
+  /**
+   * Returns the value of the '<em><b>Left</b></em>' containment reference.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Left</em>' containment reference isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Left</em>' containment reference.
+   * @see #setLeft(Expression)
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getDiv_Left()
+   * @model containment="true"
+   * @generated
+   */
+  Expression getLeft();
+
+  /**
+   * Sets the value of the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Div#getLeft <em>Left</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param value the new value of the '<em>Left</em>' containment reference.
+   * @see #getLeft()
+   * @generated
+   */
+  void setLeft(Expression value);
+
+  /**
+   * Returns the value of the '<em><b>Right</b></em>' containment reference.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Right</em>' containment reference isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Right</em>' containment reference.
+   * @see #setRight(Expression)
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getDiv_Right()
+   * @model containment="true"
+   * @generated
+   */
+  Expression getRight();
+
+  /**
+   * Sets the value of the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Div#getRight <em>Right</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param value the new value of the '<em>Right</em>' containment reference.
+   * @see #getRight()
+   * @generated
+   */
+  void setRight(Expression value);
+
+} // Div
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Evaluation.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Evaluation.java
new file mode 100644
index 0000000..d1aca16
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Evaluation.java
@@ -0,0 +1,53 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics;
+
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Evaluation</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.Evaluation#getExpression <em>Expression</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getEvaluation()
+ * @model
+ * @generated
+ */
+public interface Evaluation extends Statement
+{
+  /**
+   * Returns the value of the '<em><b>Expression</b></em>' containment reference.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Expression</em>' containment reference isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Expression</em>' containment reference.
+   * @see #setExpression(Expression)
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getEvaluation_Expression()
+   * @model containment="true"
+   * @generated
+   */
+  Expression getExpression();
+
+  /**
+   * Sets the value of the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Evaluation#getExpression <em>Expression</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param value the new value of the '<em>Expression</em>' containment reference.
+   * @see #getExpression()
+   * @generated
+   */
+  void setExpression(Expression value);
+
+} // Evaluation
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Expression.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Expression.java
new file mode 100644
index 0000000..f3ac614
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Expression.java
@@ -0,0 +1,22 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Expression</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ *
+ * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getExpression()
+ * @model
+ * @generated
+ */
+public interface Expression extends EObject
+{
+} // Expression
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/FunctionCall.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/FunctionCall.java
new file mode 100644
index 0000000..8b601e3
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/FunctionCall.java
@@ -0,0 +1,71 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics;
+
+import org.eclipse.emf.common.util.EList;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Function Call</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.FunctionCall#getFunc <em>Func</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.FunctionCall#getArgs <em>Args</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getFunctionCall()
+ * @model
+ * @generated
+ */
+public interface FunctionCall extends Expression
+{
+  /**
+   * Returns the value of the '<em><b>Func</b></em>' reference.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Func</em>' reference isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Func</em>' reference.
+   * @see #setFunc(AbstractDefinition)
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getFunctionCall_Func()
+   * @model
+   * @generated
+   */
+  AbstractDefinition getFunc();
+
+  /**
+   * Sets the value of the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.FunctionCall#getFunc <em>Func</em>}' reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param value the new value of the '<em>Func</em>' reference.
+   * @see #getFunc()
+   * @generated
+   */
+  void setFunc(AbstractDefinition value);
+
+  /**
+   * Returns the value of the '<em><b>Args</b></em>' containment reference list.
+   * The list contents are of type {@link org.eclipse.xtext.example.arithmetics.arithmetics.Expression}.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Args</em>' containment reference list isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Args</em>' containment reference list.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getFunctionCall_Args()
+   * @model containment="true"
+   * @generated
+   */
+  EList<Expression> getArgs();
+
+} // FunctionCall
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Import.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Import.java
new file mode 100644
index 0000000..b077e1e
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Import.java
@@ -0,0 +1,54 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Import</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.Import#getImportedNamespace <em>Imported Namespace</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getImport()
+ * @model
+ * @generated
+ */
+public interface Import extends EObject
+{
+  /**
+   * Returns the value of the '<em><b>Imported Namespace</b></em>' attribute.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Imported Namespace</em>' attribute isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Imported Namespace</em>' attribute.
+   * @see #setImportedNamespace(String)
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getImport_ImportedNamespace()
+   * @model
+   * @generated
+   */
+  String getImportedNamespace();
+
+  /**
+   * Sets the value of the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Import#getImportedNamespace <em>Imported Namespace</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param value the new value of the '<em>Imported Namespace</em>' attribute.
+   * @see #getImportedNamespace()
+   * @generated
+   */
+  void setImportedNamespace(String value);
+
+} // Import
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Minus.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Minus.java
new file mode 100644
index 0000000..eeeb68e
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Minus.java
@@ -0,0 +1,80 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics;
+
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Minus</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.Minus#getLeft <em>Left</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.Minus#getRight <em>Right</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getMinus()
+ * @model
+ * @generated
+ */
+public interface Minus extends Expression
+{
+  /**
+   * Returns the value of the '<em><b>Left</b></em>' containment reference.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Left</em>' containment reference isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Left</em>' containment reference.
+   * @see #setLeft(Expression)
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getMinus_Left()
+   * @model containment="true"
+   * @generated
+   */
+  Expression getLeft();
+
+  /**
+   * Sets the value of the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Minus#getLeft <em>Left</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param value the new value of the '<em>Left</em>' containment reference.
+   * @see #getLeft()
+   * @generated
+   */
+  void setLeft(Expression value);
+
+  /**
+   * Returns the value of the '<em><b>Right</b></em>' containment reference.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Right</em>' containment reference isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Right</em>' containment reference.
+   * @see #setRight(Expression)
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getMinus_Right()
+   * @model containment="true"
+   * @generated
+   */
+  Expression getRight();
+
+  /**
+   * Sets the value of the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Minus#getRight <em>Right</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param value the new value of the '<em>Right</em>' containment reference.
+   * @see #getRight()
+   * @generated
+   */
+  void setRight(Expression value);
+
+} // Minus
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Module.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Module.java
new file mode 100644
index 0000000..e09c39e
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Module.java
@@ -0,0 +1,90 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Module</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.Module#getName <em>Name</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.Module#getImports <em>Imports</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.Module#getStatements <em>Statements</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getModule()
+ * @model
+ * @generated
+ */
+public interface Module extends EObject
+{
+  /**
+   * Returns the value of the '<em><b>Name</b></em>' attribute.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Name</em>' attribute isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Name</em>' attribute.
+   * @see #setName(String)
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getModule_Name()
+   * @model
+   * @generated
+   */
+  String getName();
+
+  /**
+   * Sets the value of the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Module#getName <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param value the new value of the '<em>Name</em>' attribute.
+   * @see #getName()
+   * @generated
+   */
+  void setName(String value);
+
+  /**
+   * Returns the value of the '<em><b>Imports</b></em>' containment reference list.
+   * The list contents are of type {@link org.eclipse.xtext.example.arithmetics.arithmetics.Import}.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Imports</em>' containment reference list isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Imports</em>' containment reference list.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getModule_Imports()
+   * @model containment="true"
+   * @generated
+   */
+  EList<Import> getImports();
+
+  /**
+   * Returns the value of the '<em><b>Statements</b></em>' containment reference list.
+   * The list contents are of type {@link org.eclipse.xtext.example.arithmetics.arithmetics.Statement}.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Statements</em>' containment reference list isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Statements</em>' containment reference list.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getModule_Statements()
+   * @model containment="true"
+   * @generated
+   */
+  EList<Statement> getStatements();
+
+} // Module
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Multi.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Multi.java
new file mode 100644
index 0000000..9f4576c
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Multi.java
@@ -0,0 +1,80 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics;
+
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Multi</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.Multi#getLeft <em>Left</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.Multi#getRight <em>Right</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getMulti()
+ * @model
+ * @generated
+ */
+public interface Multi extends Expression
+{
+  /**
+   * Returns the value of the '<em><b>Left</b></em>' containment reference.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Left</em>' containment reference isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Left</em>' containment reference.
+   * @see #setLeft(Expression)
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getMulti_Left()
+   * @model containment="true"
+   * @generated
+   */
+  Expression getLeft();
+
+  /**
+   * Sets the value of the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Multi#getLeft <em>Left</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param value the new value of the '<em>Left</em>' containment reference.
+   * @see #getLeft()
+   * @generated
+   */
+  void setLeft(Expression value);
+
+  /**
+   * Returns the value of the '<em><b>Right</b></em>' containment reference.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Right</em>' containment reference isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Right</em>' containment reference.
+   * @see #setRight(Expression)
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getMulti_Right()
+   * @model containment="true"
+   * @generated
+   */
+  Expression getRight();
+
+  /**
+   * Sets the value of the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Multi#getRight <em>Right</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param value the new value of the '<em>Right</em>' containment reference.
+   * @see #getRight()
+   * @generated
+   */
+  void setRight(Expression value);
+
+} // Multi
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/NumberLiteral.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/NumberLiteral.java
new file mode 100644
index 0000000..230c4ee
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/NumberLiteral.java
@@ -0,0 +1,54 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics;
+
+import java.math.BigDecimal;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Number Literal</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.NumberLiteral#getValue <em>Value</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getNumberLiteral()
+ * @model
+ * @generated
+ */
+public interface NumberLiteral extends Expression
+{
+  /**
+   * Returns the value of the '<em><b>Value</b></em>' attribute.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Value</em>' attribute isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Value</em>' attribute.
+   * @see #setValue(BigDecimal)
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getNumberLiteral_Value()
+   * @model
+   * @generated
+   */
+  BigDecimal getValue();
+
+  /**
+   * Sets the value of the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.NumberLiteral#getValue <em>Value</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param value the new value of the '<em>Value</em>' attribute.
+   * @see #getValue()
+   * @generated
+   */
+  void setValue(BigDecimal value);
+
+} // NumberLiteral
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Plus.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Plus.java
new file mode 100644
index 0000000..8b0af1b
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Plus.java
@@ -0,0 +1,80 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics;
+
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Plus</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.Plus#getLeft <em>Left</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.Plus#getRight <em>Right</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getPlus()
+ * @model
+ * @generated
+ */
+public interface Plus extends Expression
+{
+  /**
+   * Returns the value of the '<em><b>Left</b></em>' containment reference.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Left</em>' containment reference isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Left</em>' containment reference.
+   * @see #setLeft(Expression)
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getPlus_Left()
+   * @model containment="true"
+   * @generated
+   */
+  Expression getLeft();
+
+  /**
+   * Sets the value of the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Plus#getLeft <em>Left</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param value the new value of the '<em>Left</em>' containment reference.
+   * @see #getLeft()
+   * @generated
+   */
+  void setLeft(Expression value);
+
+  /**
+   * Returns the value of the '<em><b>Right</b></em>' containment reference.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Right</em>' containment reference isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Right</em>' containment reference.
+   * @see #setRight(Expression)
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getPlus_Right()
+   * @model containment="true"
+   * @generated
+   */
+  Expression getRight();
+
+  /**
+   * Sets the value of the '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Plus#getRight <em>Right</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param value the new value of the '<em>Right</em>' containment reference.
+   * @see #getRight()
+   * @generated
+   */
+  void setRight(Expression value);
+
+} // Plus
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Statement.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Statement.java
new file mode 100644
index 0000000..56396b0
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/Statement.java
@@ -0,0 +1,22 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Statement</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ *
+ * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#getStatement()
+ * @model
+ * @generated
+ */
+public interface Statement extends EObject
+{
+} // Statement
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/AbstractDefinitionImpl.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/AbstractDefinitionImpl.java
new file mode 100644
index 0000000..b5ec90e
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/AbstractDefinitionImpl.java
@@ -0,0 +1,180 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics.impl;
+
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.xtext.example.arithmetics.arithmetics.AbstractDefinition;
+import org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Abstract Definition</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.AbstractDefinitionImpl#getName <em>Name</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class AbstractDefinitionImpl extends MinimalEObjectImpl.Container implements AbstractDefinition
+{
+  /**
+   * The default value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected static final String NAME_EDEFAULT = null;
+
+  /**
+   * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected String name = NAME_EDEFAULT;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected AbstractDefinitionImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return ArithmeticsPackage.Literals.ABSTRACT_DEFINITION;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public String getName()
+  {
+    return name;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setName(String newName)
+  {
+    String oldName = name;
+    name = newName;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.ABSTRACT_DEFINITION__NAME, oldName, name));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.ABSTRACT_DEFINITION__NAME:
+        return getName();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.ABSTRACT_DEFINITION__NAME:
+        setName((String)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.ABSTRACT_DEFINITION__NAME:
+        setName(NAME_EDEFAULT);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.ABSTRACT_DEFINITION__NAME:
+        return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
+    }
+    return super.eIsSet(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String toString()
+  {
+    if (eIsProxy()) return super.toString();
+
+    StringBuffer result = new StringBuffer(super.toString());
+    result.append(" (name: ");
+    result.append(name);
+    result.append(')');
+    return result.toString();
+  }
+
+} //AbstractDefinitionImpl
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/ArithmeticsFactoryImpl.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/ArithmeticsFactoryImpl.java
new file mode 100644
index 0000000..ecb0d53
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/ArithmeticsFactoryImpl.java
@@ -0,0 +1,265 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics.impl;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.impl.EFactoryImpl;
+
+import org.eclipse.emf.ecore.plugin.EcorePlugin;
+
+import org.eclipse.xtext.example.arithmetics.arithmetics.*;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Factory</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class ArithmeticsFactoryImpl extends EFactoryImpl implements ArithmeticsFactory
+{
+  /**
+   * Creates the default factory implementation.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public static ArithmeticsFactory init()
+  {
+    try
+    {
+      ArithmeticsFactory theArithmeticsFactory = (ArithmeticsFactory)EPackage.Registry.INSTANCE.getEFactory("http://www.eclipse.org/Xtext/example/Arithmetics"); 
+      if (theArithmeticsFactory != null)
+      {
+        return theArithmeticsFactory;
+      }
+    }
+    catch (Exception exception)
+    {
+      EcorePlugin.INSTANCE.log(exception);
+    }
+    return new ArithmeticsFactoryImpl();
+  }
+
+  /**
+   * Creates an instance of the factory.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public ArithmeticsFactoryImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EObject create(EClass eClass)
+  {
+    switch (eClass.getClassifierID())
+    {
+      case ArithmeticsPackage.MODULE: return createModule();
+      case ArithmeticsPackage.IMPORT: return createImport();
+      case ArithmeticsPackage.STATEMENT: return createStatement();
+      case ArithmeticsPackage.DEFINITION: return createDefinition();
+      case ArithmeticsPackage.DECLARED_PARAMETER: return createDeclaredParameter();
+      case ArithmeticsPackage.ABSTRACT_DEFINITION: return createAbstractDefinition();
+      case ArithmeticsPackage.EVALUATION: return createEvaluation();
+      case ArithmeticsPackage.EXPRESSION: return createExpression();
+      case ArithmeticsPackage.PLUS: return createPlus();
+      case ArithmeticsPackage.MINUS: return createMinus();
+      case ArithmeticsPackage.MULTI: return createMulti();
+      case ArithmeticsPackage.DIV: return createDiv();
+      case ArithmeticsPackage.NUMBER_LITERAL: return createNumberLiteral();
+      case ArithmeticsPackage.FUNCTION_CALL: return createFunctionCall();
+      default:
+        throw new IllegalArgumentException("The class '" + eClass.getName() + "' is not a valid classifier");
+    }
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Module createModule()
+  {
+    ModuleImpl module = new ModuleImpl();
+    return module;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Import createImport()
+  {
+    ImportImpl import_ = new ImportImpl();
+    return import_;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Statement createStatement()
+  {
+    StatementImpl statement = new StatementImpl();
+    return statement;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Definition createDefinition()
+  {
+    DefinitionImpl definition = new DefinitionImpl();
+    return definition;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public DeclaredParameter createDeclaredParameter()
+  {
+    DeclaredParameterImpl declaredParameter = new DeclaredParameterImpl();
+    return declaredParameter;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public AbstractDefinition createAbstractDefinition()
+  {
+    AbstractDefinitionImpl abstractDefinition = new AbstractDefinitionImpl();
+    return abstractDefinition;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Evaluation createEvaluation()
+  {
+    EvaluationImpl evaluation = new EvaluationImpl();
+    return evaluation;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Expression createExpression()
+  {
+    ExpressionImpl expression = new ExpressionImpl();
+    return expression;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Plus createPlus()
+  {
+    PlusImpl plus = new PlusImpl();
+    return plus;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Minus createMinus()
+  {
+    MinusImpl minus = new MinusImpl();
+    return minus;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Multi createMulti()
+  {
+    MultiImpl multi = new MultiImpl();
+    return multi;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Div createDiv()
+  {
+    DivImpl div = new DivImpl();
+    return div;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NumberLiteral createNumberLiteral()
+  {
+    NumberLiteralImpl numberLiteral = new NumberLiteralImpl();
+    return numberLiteral;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public FunctionCall createFunctionCall()
+  {
+    FunctionCallImpl functionCall = new FunctionCallImpl();
+    return functionCall;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public ArithmeticsPackage getArithmeticsPackage()
+  {
+    return (ArithmeticsPackage)getEPackage();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @deprecated
+   * @generated
+   */
+  @Deprecated
+  public static ArithmeticsPackage getPackage()
+  {
+    return ArithmeticsPackage.eINSTANCE;
+  }
+
+} //ArithmeticsFactoryImpl
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/ArithmeticsPackageImpl.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/ArithmeticsPackageImpl.java
new file mode 100644
index 0000000..91b1d9f
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/ArithmeticsPackageImpl.java
@@ -0,0 +1,701 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics.impl;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+
+import org.eclipse.emf.ecore.impl.EPackageImpl;
+
+import org.eclipse.xtext.example.arithmetics.arithmetics.AbstractDefinition;
+import org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsFactory;
+import org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage;
+import org.eclipse.xtext.example.arithmetics.arithmetics.DeclaredParameter;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Definition;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Div;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Evaluation;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Expression;
+import org.eclipse.xtext.example.arithmetics.arithmetics.FunctionCall;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Import;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Minus;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Module;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Multi;
+import org.eclipse.xtext.example.arithmetics.arithmetics.NumberLiteral;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Plus;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Statement;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Package</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class ArithmeticsPackageImpl extends EPackageImpl implements ArithmeticsPackage
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass moduleEClass = null;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass importEClass = null;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass statementEClass = null;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass definitionEClass = null;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass declaredParameterEClass = null;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass abstractDefinitionEClass = null;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass evaluationEClass = null;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass expressionEClass = null;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass plusEClass = null;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass minusEClass = null;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass multiEClass = null;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass divEClass = null;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass numberLiteralEClass = null;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass functionCallEClass = null;
+
+  /**
+   * Creates an instance of the model <b>Package</b>, registered with
+   * {@link org.eclipse.emf.ecore.EPackage.Registry EPackage.Registry} by the package
+   * package URI value.
+   * <p>Note: the correct way to create the package is via the static
+   * factory method {@link #init init()}, which also performs
+   * initialization of the package, or returns the registered package,
+   * if one already exists.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.eclipse.emf.ecore.EPackage.Registry
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage#eNS_URI
+   * @see #init()
+   * @generated
+   */
+  private ArithmeticsPackageImpl()
+  {
+    super(eNS_URI, ArithmeticsFactory.eINSTANCE);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private static boolean isInited = false;
+
+  /**
+   * Creates, registers, and initializes the <b>Package</b> for this model, and for any others upon which it depends.
+   * 
+   * <p>This method is used to initialize {@link ArithmeticsPackage#eINSTANCE} when that field is accessed.
+   * Clients should not invoke it directly. Instead, they should simply access that field to obtain the package.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #eNS_URI
+   * @see #createPackageContents()
+   * @see #initializePackageContents()
+   * @generated
+   */
+  public static ArithmeticsPackage init()
+  {
+    if (isInited) return (ArithmeticsPackage)EPackage.Registry.INSTANCE.getEPackage(ArithmeticsPackage.eNS_URI);
+
+    // Obtain or create and register package
+    ArithmeticsPackageImpl theArithmeticsPackage = (ArithmeticsPackageImpl)(EPackage.Registry.INSTANCE.get(eNS_URI) instanceof ArithmeticsPackageImpl ? EPackage.Registry.INSTANCE.get(eNS_URI) : new ArithmeticsPackageImpl());
+
+    isInited = true;
+
+    // Create package meta-data objects
+    theArithmeticsPackage.createPackageContents();
+
+    // Initialize created meta-data
+    theArithmeticsPackage.initializePackageContents();
+
+    // Mark meta-data to indicate it can't be changed
+    theArithmeticsPackage.freeze();
+
+  
+    // Update the registry and return the package
+    EPackage.Registry.INSTANCE.put(ArithmeticsPackage.eNS_URI, theArithmeticsPackage);
+    return theArithmeticsPackage;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EClass getModule()
+  {
+    return moduleEClass;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EAttribute getModule_Name()
+  {
+    return (EAttribute)moduleEClass.getEStructuralFeatures().get(0);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getModule_Imports()
+  {
+    return (EReference)moduleEClass.getEStructuralFeatures().get(1);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getModule_Statements()
+  {
+    return (EReference)moduleEClass.getEStructuralFeatures().get(2);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EClass getImport()
+  {
+    return importEClass;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EAttribute getImport_ImportedNamespace()
+  {
+    return (EAttribute)importEClass.getEStructuralFeatures().get(0);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EClass getStatement()
+  {
+    return statementEClass;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EClass getDefinition()
+  {
+    return definitionEClass;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getDefinition_Args()
+  {
+    return (EReference)definitionEClass.getEStructuralFeatures().get(0);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getDefinition_Expr()
+  {
+    return (EReference)definitionEClass.getEStructuralFeatures().get(1);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EClass getDeclaredParameter()
+  {
+    return declaredParameterEClass;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EClass getAbstractDefinition()
+  {
+    return abstractDefinitionEClass;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EAttribute getAbstractDefinition_Name()
+  {
+    return (EAttribute)abstractDefinitionEClass.getEStructuralFeatures().get(0);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EClass getEvaluation()
+  {
+    return evaluationEClass;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getEvaluation_Expression()
+  {
+    return (EReference)evaluationEClass.getEStructuralFeatures().get(0);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EClass getExpression()
+  {
+    return expressionEClass;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EClass getPlus()
+  {
+    return plusEClass;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getPlus_Left()
+  {
+    return (EReference)plusEClass.getEStructuralFeatures().get(0);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getPlus_Right()
+  {
+    return (EReference)plusEClass.getEStructuralFeatures().get(1);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EClass getMinus()
+  {
+    return minusEClass;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getMinus_Left()
+  {
+    return (EReference)minusEClass.getEStructuralFeatures().get(0);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getMinus_Right()
+  {
+    return (EReference)minusEClass.getEStructuralFeatures().get(1);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EClass getMulti()
+  {
+    return multiEClass;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getMulti_Left()
+  {
+    return (EReference)multiEClass.getEStructuralFeatures().get(0);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getMulti_Right()
+  {
+    return (EReference)multiEClass.getEStructuralFeatures().get(1);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EClass getDiv()
+  {
+    return divEClass;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getDiv_Left()
+  {
+    return (EReference)divEClass.getEStructuralFeatures().get(0);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getDiv_Right()
+  {
+    return (EReference)divEClass.getEStructuralFeatures().get(1);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EClass getNumberLiteral()
+  {
+    return numberLiteralEClass;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EAttribute getNumberLiteral_Value()
+  {
+    return (EAttribute)numberLiteralEClass.getEStructuralFeatures().get(0);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EClass getFunctionCall()
+  {
+    return functionCallEClass;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getFunctionCall_Func()
+  {
+    return (EReference)functionCallEClass.getEStructuralFeatures().get(0);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getFunctionCall_Args()
+  {
+    return (EReference)functionCallEClass.getEStructuralFeatures().get(1);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public ArithmeticsFactory getArithmeticsFactory()
+  {
+    return (ArithmeticsFactory)getEFactoryInstance();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private boolean isCreated = false;
+
+  /**
+   * Creates the meta-model objects for the package.  This method is
+   * guarded to have no affect on any invocation but its first.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void createPackageContents()
+  {
+    if (isCreated) return;
+    isCreated = true;
+
+    // Create classes and their features
+    moduleEClass = createEClass(MODULE);
+    createEAttribute(moduleEClass, MODULE__NAME);
+    createEReference(moduleEClass, MODULE__IMPORTS);
+    createEReference(moduleEClass, MODULE__STATEMENTS);
+
+    importEClass = createEClass(IMPORT);
+    createEAttribute(importEClass, IMPORT__IMPORTED_NAMESPACE);
+
+    statementEClass = createEClass(STATEMENT);
+
+    definitionEClass = createEClass(DEFINITION);
+    createEReference(definitionEClass, DEFINITION__ARGS);
+    createEReference(definitionEClass, DEFINITION__EXPR);
+
+    declaredParameterEClass = createEClass(DECLARED_PARAMETER);
+
+    abstractDefinitionEClass = createEClass(ABSTRACT_DEFINITION);
+    createEAttribute(abstractDefinitionEClass, ABSTRACT_DEFINITION__NAME);
+
+    evaluationEClass = createEClass(EVALUATION);
+    createEReference(evaluationEClass, EVALUATION__EXPRESSION);
+
+    expressionEClass = createEClass(EXPRESSION);
+
+    plusEClass = createEClass(PLUS);
+    createEReference(plusEClass, PLUS__LEFT);
+    createEReference(plusEClass, PLUS__RIGHT);
+
+    minusEClass = createEClass(MINUS);
+    createEReference(minusEClass, MINUS__LEFT);
+    createEReference(minusEClass, MINUS__RIGHT);
+
+    multiEClass = createEClass(MULTI);
+    createEReference(multiEClass, MULTI__LEFT);
+    createEReference(multiEClass, MULTI__RIGHT);
+
+    divEClass = createEClass(DIV);
+    createEReference(divEClass, DIV__LEFT);
+    createEReference(divEClass, DIV__RIGHT);
+
+    numberLiteralEClass = createEClass(NUMBER_LITERAL);
+    createEAttribute(numberLiteralEClass, NUMBER_LITERAL__VALUE);
+
+    functionCallEClass = createEClass(FUNCTION_CALL);
+    createEReference(functionCallEClass, FUNCTION_CALL__FUNC);
+    createEReference(functionCallEClass, FUNCTION_CALL__ARGS);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private boolean isInitialized = false;
+
+  /**
+   * Complete the initialization of the package and its meta-model.  This
+   * method is guarded to have no affect on any invocation but its first.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void initializePackageContents()
+  {
+    if (isInitialized) return;
+    isInitialized = true;
+
+    // Initialize package
+    setName(eNAME);
+    setNsPrefix(eNS_PREFIX);
+    setNsURI(eNS_URI);
+
+    // Create type parameters
+
+    // Set bounds for type parameters
+
+    // Add supertypes to classes
+    definitionEClass.getESuperTypes().add(this.getStatement());
+    definitionEClass.getESuperTypes().add(this.getAbstractDefinition());
+    declaredParameterEClass.getESuperTypes().add(this.getAbstractDefinition());
+    evaluationEClass.getESuperTypes().add(this.getStatement());
+    plusEClass.getESuperTypes().add(this.getExpression());
+    minusEClass.getESuperTypes().add(this.getExpression());
+    multiEClass.getESuperTypes().add(this.getExpression());
+    divEClass.getESuperTypes().add(this.getExpression());
+    numberLiteralEClass.getESuperTypes().add(this.getExpression());
+    functionCallEClass.getESuperTypes().add(this.getExpression());
+
+    // Initialize classes and features; add operations and parameters
+    initEClass(moduleEClass, Module.class, "Module", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEAttribute(getModule_Name(), ecorePackage.getEString(), "name", null, 0, 1, Module.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getModule_Imports(), this.getImport(), null, "imports", null, 0, -1, Module.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getModule_Statements(), this.getStatement(), null, "statements", null, 0, -1, Module.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+    initEClass(importEClass, Import.class, "Import", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEAttribute(getImport_ImportedNamespace(), ecorePackage.getEString(), "importedNamespace", null, 0, 1, Import.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+    initEClass(statementEClass, Statement.class, "Statement", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+
+    initEClass(definitionEClass, Definition.class, "Definition", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEReference(getDefinition_Args(), this.getDeclaredParameter(), null, "args", null, 0, -1, Definition.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getDefinition_Expr(), this.getExpression(), null, "expr", null, 0, 1, Definition.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+    initEClass(declaredParameterEClass, DeclaredParameter.class, "DeclaredParameter", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+
+    initEClass(abstractDefinitionEClass, AbstractDefinition.class, "AbstractDefinition", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEAttribute(getAbstractDefinition_Name(), ecorePackage.getEString(), "name", null, 0, 1, AbstractDefinition.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+    initEClass(evaluationEClass, Evaluation.class, "Evaluation", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEReference(getEvaluation_Expression(), this.getExpression(), null, "expression", null, 0, 1, Evaluation.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+    initEClass(expressionEClass, Expression.class, "Expression", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+
+    initEClass(plusEClass, Plus.class, "Plus", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEReference(getPlus_Left(), this.getExpression(), null, "left", null, 0, 1, Plus.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getPlus_Right(), this.getExpression(), null, "right", null, 0, 1, Plus.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+    initEClass(minusEClass, Minus.class, "Minus", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEReference(getMinus_Left(), this.getExpression(), null, "left", null, 0, 1, Minus.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getMinus_Right(), this.getExpression(), null, "right", null, 0, 1, Minus.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+    initEClass(multiEClass, Multi.class, "Multi", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEReference(getMulti_Left(), this.getExpression(), null, "left", null, 0, 1, Multi.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getMulti_Right(), this.getExpression(), null, "right", null, 0, 1, Multi.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+    initEClass(divEClass, Div.class, "Div", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEReference(getDiv_Left(), this.getExpression(), null, "left", null, 0, 1, Div.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getDiv_Right(), this.getExpression(), null, "right", null, 0, 1, Div.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+    initEClass(numberLiteralEClass, NumberLiteral.class, "NumberLiteral", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEAttribute(getNumberLiteral_Value(), ecorePackage.getEBigDecimal(), "value", null, 0, 1, NumberLiteral.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+    initEClass(functionCallEClass, FunctionCall.class, "FunctionCall", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEReference(getFunctionCall_Func(), this.getAbstractDefinition(), null, "func", null, 0, 1, FunctionCall.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getFunctionCall_Args(), this.getExpression(), null, "args", null, 0, -1, FunctionCall.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+    // Create resource
+    createResource(eNS_URI);
+  }
+
+} //ArithmeticsPackageImpl
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/DeclaredParameterImpl.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/DeclaredParameterImpl.java
new file mode 100644
index 0000000..ed4a2f1
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/DeclaredParameterImpl.java
@@ -0,0 +1,45 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics.impl;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage;
+import org.eclipse.xtext.example.arithmetics.arithmetics.DeclaredParameter;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Declared Parameter</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * </p>
+ *
+ * @generated
+ */
+public class DeclaredParameterImpl extends AbstractDefinitionImpl implements DeclaredParameter
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected DeclaredParameterImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return ArithmeticsPackage.Literals.DECLARED_PARAMETER;
+  }
+
+} //DeclaredParameterImpl
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/DefinitionImpl.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/DefinitionImpl.java
new file mode 100644
index 0000000..09dc674
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/DefinitionImpl.java
@@ -0,0 +1,353 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics.impl;
+
+import java.util.Collection;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+
+import org.eclipse.xtext.example.arithmetics.arithmetics.AbstractDefinition;
+import org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage;
+import org.eclipse.xtext.example.arithmetics.arithmetics.DeclaredParameter;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Definition;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Expression;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Definition</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.DefinitionImpl#getName <em>Name</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.DefinitionImpl#getArgs <em>Args</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.DefinitionImpl#getExpr <em>Expr</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class DefinitionImpl extends StatementImpl implements Definition
+{
+  /**
+   * The default value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected static final String NAME_EDEFAULT = null;
+
+  /**
+   * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected String name = NAME_EDEFAULT;
+
+  /**
+   * The cached value of the '{@link #getArgs() <em>Args</em>}' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getArgs()
+   * @generated
+   * @ordered
+   */
+  protected EList<DeclaredParameter> args;
+
+  /**
+   * The cached value of the '{@link #getExpr() <em>Expr</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getExpr()
+   * @generated
+   * @ordered
+   */
+  protected Expression expr;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected DefinitionImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return ArithmeticsPackage.Literals.DEFINITION;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public String getName()
+  {
+    return name;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setName(String newName)
+  {
+    String oldName = name;
+    name = newName;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.DEFINITION__NAME, oldName, name));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EList<DeclaredParameter> getArgs()
+  {
+    if (args == null)
+    {
+      args = new EObjectContainmentEList<DeclaredParameter>(DeclaredParameter.class, this, ArithmeticsPackage.DEFINITION__ARGS);
+    }
+    return args;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Expression getExpr()
+  {
+    return expr;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetExpr(Expression newExpr, NotificationChain msgs)
+  {
+    Expression oldExpr = expr;
+    expr = newExpr;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.DEFINITION__EXPR, oldExpr, newExpr);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setExpr(Expression newExpr)
+  {
+    if (newExpr != expr)
+    {
+      NotificationChain msgs = null;
+      if (expr != null)
+        msgs = ((InternalEObject)expr).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - ArithmeticsPackage.DEFINITION__EXPR, null, msgs);
+      if (newExpr != null)
+        msgs = ((InternalEObject)newExpr).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - ArithmeticsPackage.DEFINITION__EXPR, null, msgs);
+      msgs = basicSetExpr(newExpr, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.DEFINITION__EXPR, newExpr, newExpr));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.DEFINITION__ARGS:
+        return ((InternalEList<?>)getArgs()).basicRemove(otherEnd, msgs);
+      case ArithmeticsPackage.DEFINITION__EXPR:
+        return basicSetExpr(null, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.DEFINITION__NAME:
+        return getName();
+      case ArithmeticsPackage.DEFINITION__ARGS:
+        return getArgs();
+      case ArithmeticsPackage.DEFINITION__EXPR:
+        return getExpr();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @SuppressWarnings("unchecked")
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.DEFINITION__NAME:
+        setName((String)newValue);
+        return;
+      case ArithmeticsPackage.DEFINITION__ARGS:
+        getArgs().clear();
+        getArgs().addAll((Collection<? extends DeclaredParameter>)newValue);
+        return;
+      case ArithmeticsPackage.DEFINITION__EXPR:
+        setExpr((Expression)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.DEFINITION__NAME:
+        setName(NAME_EDEFAULT);
+        return;
+      case ArithmeticsPackage.DEFINITION__ARGS:
+        getArgs().clear();
+        return;
+      case ArithmeticsPackage.DEFINITION__EXPR:
+        setExpr((Expression)null);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.DEFINITION__NAME:
+        return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
+      case ArithmeticsPackage.DEFINITION__ARGS:
+        return args != null && !args.isEmpty();
+      case ArithmeticsPackage.DEFINITION__EXPR:
+        return expr != null;
+    }
+    return super.eIsSet(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public int eBaseStructuralFeatureID(int derivedFeatureID, Class<?> baseClass)
+  {
+    if (baseClass == AbstractDefinition.class)
+    {
+      switch (derivedFeatureID)
+      {
+        case ArithmeticsPackage.DEFINITION__NAME: return ArithmeticsPackage.ABSTRACT_DEFINITION__NAME;
+        default: return -1;
+      }
+    }
+    return super.eBaseStructuralFeatureID(derivedFeatureID, baseClass);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public int eDerivedStructuralFeatureID(int baseFeatureID, Class<?> baseClass)
+  {
+    if (baseClass == AbstractDefinition.class)
+    {
+      switch (baseFeatureID)
+      {
+        case ArithmeticsPackage.ABSTRACT_DEFINITION__NAME: return ArithmeticsPackage.DEFINITION__NAME;
+        default: return -1;
+      }
+    }
+    return super.eDerivedStructuralFeatureID(baseFeatureID, baseClass);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String toString()
+  {
+    if (eIsProxy()) return super.toString();
+
+    StringBuffer result = new StringBuffer(super.toString());
+    result.append(" (name: ");
+    result.append(name);
+    result.append(')');
+    return result.toString();
+  }
+
+} //DefinitionImpl
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/DivImpl.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/DivImpl.java
new file mode 100644
index 0000000..1589aea
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/DivImpl.java
@@ -0,0 +1,267 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics.impl;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+
+import org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Div;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Expression;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Div</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.DivImpl#getLeft <em>Left</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.DivImpl#getRight <em>Right</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class DivImpl extends ExpressionImpl implements Div
+{
+  /**
+   * The cached value of the '{@link #getLeft() <em>Left</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getLeft()
+   * @generated
+   * @ordered
+   */
+  protected Expression left;
+
+  /**
+   * The cached value of the '{@link #getRight() <em>Right</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getRight()
+   * @generated
+   * @ordered
+   */
+  protected Expression right;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected DivImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return ArithmeticsPackage.Literals.DIV;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Expression getLeft()
+  {
+    return left;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetLeft(Expression newLeft, NotificationChain msgs)
+  {
+    Expression oldLeft = left;
+    left = newLeft;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.DIV__LEFT, oldLeft, newLeft);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setLeft(Expression newLeft)
+  {
+    if (newLeft != left)
+    {
+      NotificationChain msgs = null;
+      if (left != null)
+        msgs = ((InternalEObject)left).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - ArithmeticsPackage.DIV__LEFT, null, msgs);
+      if (newLeft != null)
+        msgs = ((InternalEObject)newLeft).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - ArithmeticsPackage.DIV__LEFT, null, msgs);
+      msgs = basicSetLeft(newLeft, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.DIV__LEFT, newLeft, newLeft));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Expression getRight()
+  {
+    return right;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetRight(Expression newRight, NotificationChain msgs)
+  {
+    Expression oldRight = right;
+    right = newRight;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.DIV__RIGHT, oldRight, newRight);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setRight(Expression newRight)
+  {
+    if (newRight != right)
+    {
+      NotificationChain msgs = null;
+      if (right != null)
+        msgs = ((InternalEObject)right).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - ArithmeticsPackage.DIV__RIGHT, null, msgs);
+      if (newRight != null)
+        msgs = ((InternalEObject)newRight).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - ArithmeticsPackage.DIV__RIGHT, null, msgs);
+      msgs = basicSetRight(newRight, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.DIV__RIGHT, newRight, newRight));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.DIV__LEFT:
+        return basicSetLeft(null, msgs);
+      case ArithmeticsPackage.DIV__RIGHT:
+        return basicSetRight(null, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.DIV__LEFT:
+        return getLeft();
+      case ArithmeticsPackage.DIV__RIGHT:
+        return getRight();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.DIV__LEFT:
+        setLeft((Expression)newValue);
+        return;
+      case ArithmeticsPackage.DIV__RIGHT:
+        setRight((Expression)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.DIV__LEFT:
+        setLeft((Expression)null);
+        return;
+      case ArithmeticsPackage.DIV__RIGHT:
+        setRight((Expression)null);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.DIV__LEFT:
+        return left != null;
+      case ArithmeticsPackage.DIV__RIGHT:
+        return right != null;
+    }
+    return super.eIsSet(featureID);
+  }
+
+} //DivImpl
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/EvaluationImpl.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/EvaluationImpl.java
new file mode 100644
index 0000000..fc1c6e7
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/EvaluationImpl.java
@@ -0,0 +1,196 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics.impl;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+
+import org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Evaluation;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Expression;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Evaluation</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.EvaluationImpl#getExpression <em>Expression</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class EvaluationImpl extends StatementImpl implements Evaluation
+{
+  /**
+   * The cached value of the '{@link #getExpression() <em>Expression</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getExpression()
+   * @generated
+   * @ordered
+   */
+  protected Expression expression;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected EvaluationImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return ArithmeticsPackage.Literals.EVALUATION;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Expression getExpression()
+  {
+    return expression;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetExpression(Expression newExpression, NotificationChain msgs)
+  {
+    Expression oldExpression = expression;
+    expression = newExpression;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.EVALUATION__EXPRESSION, oldExpression, newExpression);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setExpression(Expression newExpression)
+  {
+    if (newExpression != expression)
+    {
+      NotificationChain msgs = null;
+      if (expression != null)
+        msgs = ((InternalEObject)expression).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - ArithmeticsPackage.EVALUATION__EXPRESSION, null, msgs);
+      if (newExpression != null)
+        msgs = ((InternalEObject)newExpression).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - ArithmeticsPackage.EVALUATION__EXPRESSION, null, msgs);
+      msgs = basicSetExpression(newExpression, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.EVALUATION__EXPRESSION, newExpression, newExpression));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.EVALUATION__EXPRESSION:
+        return basicSetExpression(null, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.EVALUATION__EXPRESSION:
+        return getExpression();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.EVALUATION__EXPRESSION:
+        setExpression((Expression)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.EVALUATION__EXPRESSION:
+        setExpression((Expression)null);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.EVALUATION__EXPRESSION:
+        return expression != null;
+    }
+    return super.eIsSet(featureID);
+  }
+
+} //EvaluationImpl
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/ExpressionImpl.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/ExpressionImpl.java
new file mode 100644
index 0000000..0ea3524
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/ExpressionImpl.java
@@ -0,0 +1,47 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics.impl;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Expression;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Expression</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * </p>
+ *
+ * @generated
+ */
+public class ExpressionImpl extends MinimalEObjectImpl.Container implements Expression
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected ExpressionImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return ArithmeticsPackage.Literals.EXPRESSION;
+  }
+
+} //ExpressionImpl
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/FunctionCallImpl.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/FunctionCallImpl.java
new file mode 100644
index 0000000..873b0fd
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/FunctionCallImpl.java
@@ -0,0 +1,237 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics.impl;
+
+import java.util.Collection;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+
+import org.eclipse.xtext.example.arithmetics.arithmetics.AbstractDefinition;
+import org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Expression;
+import org.eclipse.xtext.example.arithmetics.arithmetics.FunctionCall;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Function Call</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.FunctionCallImpl#getFunc <em>Func</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.FunctionCallImpl#getArgs <em>Args</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class FunctionCallImpl extends ExpressionImpl implements FunctionCall
+{
+  /**
+   * The cached value of the '{@link #getFunc() <em>Func</em>}' reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getFunc()
+   * @generated
+   * @ordered
+   */
+  protected AbstractDefinition func;
+
+  /**
+   * The cached value of the '{@link #getArgs() <em>Args</em>}' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getArgs()
+   * @generated
+   * @ordered
+   */
+  protected EList<Expression> args;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected FunctionCallImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return ArithmeticsPackage.Literals.FUNCTION_CALL;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public AbstractDefinition getFunc()
+  {
+    if (func != null && func.eIsProxy())
+    {
+      InternalEObject oldFunc = (InternalEObject)func;
+      func = (AbstractDefinition)eResolveProxy(oldFunc);
+      if (func != oldFunc)
+      {
+        if (eNotificationRequired())
+          eNotify(new ENotificationImpl(this, Notification.RESOLVE, ArithmeticsPackage.FUNCTION_CALL__FUNC, oldFunc, func));
+      }
+    }
+    return func;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public AbstractDefinition basicGetFunc()
+  {
+    return func;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setFunc(AbstractDefinition newFunc)
+  {
+    AbstractDefinition oldFunc = func;
+    func = newFunc;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.FUNCTION_CALL__FUNC, oldFunc, func));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EList<Expression> getArgs()
+  {
+    if (args == null)
+    {
+      args = new EObjectContainmentEList<Expression>(Expression.class, this, ArithmeticsPackage.FUNCTION_CALL__ARGS);
+    }
+    return args;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.FUNCTION_CALL__ARGS:
+        return ((InternalEList<?>)getArgs()).basicRemove(otherEnd, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.FUNCTION_CALL__FUNC:
+        if (resolve) return getFunc();
+        return basicGetFunc();
+      case ArithmeticsPackage.FUNCTION_CALL__ARGS:
+        return getArgs();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @SuppressWarnings("unchecked")
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.FUNCTION_CALL__FUNC:
+        setFunc((AbstractDefinition)newValue);
+        return;
+      case ArithmeticsPackage.FUNCTION_CALL__ARGS:
+        getArgs().clear();
+        getArgs().addAll((Collection<? extends Expression>)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.FUNCTION_CALL__FUNC:
+        setFunc((AbstractDefinition)null);
+        return;
+      case ArithmeticsPackage.FUNCTION_CALL__ARGS:
+        getArgs().clear();
+        return;
+    }
+    super.eUnset(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.FUNCTION_CALL__FUNC:
+        return func != null;
+      case ArithmeticsPackage.FUNCTION_CALL__ARGS:
+        return args != null && !args.isEmpty();
+    }
+    return super.eIsSet(featureID);
+  }
+
+} //FunctionCallImpl
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/ImportImpl.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/ImportImpl.java
new file mode 100644
index 0000000..b250032
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/ImportImpl.java
@@ -0,0 +1,180 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics.impl;
+
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Import;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Import</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.ImportImpl#getImportedNamespace <em>Imported Namespace</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class ImportImpl extends MinimalEObjectImpl.Container implements Import
+{
+  /**
+   * The default value of the '{@link #getImportedNamespace() <em>Imported Namespace</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getImportedNamespace()
+   * @generated
+   * @ordered
+   */
+  protected static final String IMPORTED_NAMESPACE_EDEFAULT = null;
+
+  /**
+   * The cached value of the '{@link #getImportedNamespace() <em>Imported Namespace</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getImportedNamespace()
+   * @generated
+   * @ordered
+   */
+  protected String importedNamespace = IMPORTED_NAMESPACE_EDEFAULT;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected ImportImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return ArithmeticsPackage.Literals.IMPORT;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public String getImportedNamespace()
+  {
+    return importedNamespace;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setImportedNamespace(String newImportedNamespace)
+  {
+    String oldImportedNamespace = importedNamespace;
+    importedNamespace = newImportedNamespace;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.IMPORT__IMPORTED_NAMESPACE, oldImportedNamespace, importedNamespace));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.IMPORT__IMPORTED_NAMESPACE:
+        return getImportedNamespace();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.IMPORT__IMPORTED_NAMESPACE:
+        setImportedNamespace((String)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.IMPORT__IMPORTED_NAMESPACE:
+        setImportedNamespace(IMPORTED_NAMESPACE_EDEFAULT);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.IMPORT__IMPORTED_NAMESPACE:
+        return IMPORTED_NAMESPACE_EDEFAULT == null ? importedNamespace != null : !IMPORTED_NAMESPACE_EDEFAULT.equals(importedNamespace);
+    }
+    return super.eIsSet(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String toString()
+  {
+    if (eIsProxy()) return super.toString();
+
+    StringBuffer result = new StringBuffer(super.toString());
+    result.append(" (importedNamespace: ");
+    result.append(importedNamespace);
+    result.append(')');
+    return result.toString();
+  }
+
+} //ImportImpl
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/MinusImpl.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/MinusImpl.java
new file mode 100644
index 0000000..0df6c37
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/MinusImpl.java
@@ -0,0 +1,267 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics.impl;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+
+import org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Expression;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Minus;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Minus</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.MinusImpl#getLeft <em>Left</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.MinusImpl#getRight <em>Right</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class MinusImpl extends ExpressionImpl implements Minus
+{
+  /**
+   * The cached value of the '{@link #getLeft() <em>Left</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getLeft()
+   * @generated
+   * @ordered
+   */
+  protected Expression left;
+
+  /**
+   * The cached value of the '{@link #getRight() <em>Right</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getRight()
+   * @generated
+   * @ordered
+   */
+  protected Expression right;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected MinusImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return ArithmeticsPackage.Literals.MINUS;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Expression getLeft()
+  {
+    return left;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetLeft(Expression newLeft, NotificationChain msgs)
+  {
+    Expression oldLeft = left;
+    left = newLeft;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.MINUS__LEFT, oldLeft, newLeft);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setLeft(Expression newLeft)
+  {
+    if (newLeft != left)
+    {
+      NotificationChain msgs = null;
+      if (left != null)
+        msgs = ((InternalEObject)left).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - ArithmeticsPackage.MINUS__LEFT, null, msgs);
+      if (newLeft != null)
+        msgs = ((InternalEObject)newLeft).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - ArithmeticsPackage.MINUS__LEFT, null, msgs);
+      msgs = basicSetLeft(newLeft, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.MINUS__LEFT, newLeft, newLeft));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Expression getRight()
+  {
+    return right;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetRight(Expression newRight, NotificationChain msgs)
+  {
+    Expression oldRight = right;
+    right = newRight;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.MINUS__RIGHT, oldRight, newRight);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setRight(Expression newRight)
+  {
+    if (newRight != right)
+    {
+      NotificationChain msgs = null;
+      if (right != null)
+        msgs = ((InternalEObject)right).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - ArithmeticsPackage.MINUS__RIGHT, null, msgs);
+      if (newRight != null)
+        msgs = ((InternalEObject)newRight).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - ArithmeticsPackage.MINUS__RIGHT, null, msgs);
+      msgs = basicSetRight(newRight, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.MINUS__RIGHT, newRight, newRight));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.MINUS__LEFT:
+        return basicSetLeft(null, msgs);
+      case ArithmeticsPackage.MINUS__RIGHT:
+        return basicSetRight(null, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.MINUS__LEFT:
+        return getLeft();
+      case ArithmeticsPackage.MINUS__RIGHT:
+        return getRight();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.MINUS__LEFT:
+        setLeft((Expression)newValue);
+        return;
+      case ArithmeticsPackage.MINUS__RIGHT:
+        setRight((Expression)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.MINUS__LEFT:
+        setLeft((Expression)null);
+        return;
+      case ArithmeticsPackage.MINUS__RIGHT:
+        setRight((Expression)null);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.MINUS__LEFT:
+        return left != null;
+      case ArithmeticsPackage.MINUS__RIGHT:
+        return right != null;
+    }
+    return super.eIsSet(featureID);
+  }
+
+} //MinusImpl
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/ModuleImpl.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/ModuleImpl.java
new file mode 100644
index 0000000..35e25cb
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/ModuleImpl.java
@@ -0,0 +1,282 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics.impl;
+
+import java.util.Collection;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+
+import org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Import;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Module;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Statement;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Module</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.ModuleImpl#getName <em>Name</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.ModuleImpl#getImports <em>Imports</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.ModuleImpl#getStatements <em>Statements</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class ModuleImpl extends MinimalEObjectImpl.Container implements Module
+{
+  /**
+   * The default value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected static final String NAME_EDEFAULT = null;
+
+  /**
+   * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected String name = NAME_EDEFAULT;
+
+  /**
+   * The cached value of the '{@link #getImports() <em>Imports</em>}' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getImports()
+   * @generated
+   * @ordered
+   */
+  protected EList<Import> imports;
+
+  /**
+   * The cached value of the '{@link #getStatements() <em>Statements</em>}' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getStatements()
+   * @generated
+   * @ordered
+   */
+  protected EList<Statement> statements;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected ModuleImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return ArithmeticsPackage.Literals.MODULE;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public String getName()
+  {
+    return name;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setName(String newName)
+  {
+    String oldName = name;
+    name = newName;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.MODULE__NAME, oldName, name));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EList<Import> getImports()
+  {
+    if (imports == null)
+    {
+      imports = new EObjectContainmentEList<Import>(Import.class, this, ArithmeticsPackage.MODULE__IMPORTS);
+    }
+    return imports;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EList<Statement> getStatements()
+  {
+    if (statements == null)
+    {
+      statements = new EObjectContainmentEList<Statement>(Statement.class, this, ArithmeticsPackage.MODULE__STATEMENTS);
+    }
+    return statements;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.MODULE__IMPORTS:
+        return ((InternalEList<?>)getImports()).basicRemove(otherEnd, msgs);
+      case ArithmeticsPackage.MODULE__STATEMENTS:
+        return ((InternalEList<?>)getStatements()).basicRemove(otherEnd, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.MODULE__NAME:
+        return getName();
+      case ArithmeticsPackage.MODULE__IMPORTS:
+        return getImports();
+      case ArithmeticsPackage.MODULE__STATEMENTS:
+        return getStatements();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @SuppressWarnings("unchecked")
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.MODULE__NAME:
+        setName((String)newValue);
+        return;
+      case ArithmeticsPackage.MODULE__IMPORTS:
+        getImports().clear();
+        getImports().addAll((Collection<? extends Import>)newValue);
+        return;
+      case ArithmeticsPackage.MODULE__STATEMENTS:
+        getStatements().clear();
+        getStatements().addAll((Collection<? extends Statement>)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.MODULE__NAME:
+        setName(NAME_EDEFAULT);
+        return;
+      case ArithmeticsPackage.MODULE__IMPORTS:
+        getImports().clear();
+        return;
+      case ArithmeticsPackage.MODULE__STATEMENTS:
+        getStatements().clear();
+        return;
+    }
+    super.eUnset(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.MODULE__NAME:
+        return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
+      case ArithmeticsPackage.MODULE__IMPORTS:
+        return imports != null && !imports.isEmpty();
+      case ArithmeticsPackage.MODULE__STATEMENTS:
+        return statements != null && !statements.isEmpty();
+    }
+    return super.eIsSet(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String toString()
+  {
+    if (eIsProxy()) return super.toString();
+
+    StringBuffer result = new StringBuffer(super.toString());
+    result.append(" (name: ");
+    result.append(name);
+    result.append(')');
+    return result.toString();
+  }
+
+} //ModuleImpl
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/MultiImpl.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/MultiImpl.java
new file mode 100644
index 0000000..859b5fa
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/MultiImpl.java
@@ -0,0 +1,267 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics.impl;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+
+import org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Expression;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Multi;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Multi</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.MultiImpl#getLeft <em>Left</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.MultiImpl#getRight <em>Right</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class MultiImpl extends ExpressionImpl implements Multi
+{
+  /**
+   * The cached value of the '{@link #getLeft() <em>Left</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getLeft()
+   * @generated
+   * @ordered
+   */
+  protected Expression left;
+
+  /**
+   * The cached value of the '{@link #getRight() <em>Right</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getRight()
+   * @generated
+   * @ordered
+   */
+  protected Expression right;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected MultiImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return ArithmeticsPackage.Literals.MULTI;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Expression getLeft()
+  {
+    return left;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetLeft(Expression newLeft, NotificationChain msgs)
+  {
+    Expression oldLeft = left;
+    left = newLeft;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.MULTI__LEFT, oldLeft, newLeft);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setLeft(Expression newLeft)
+  {
+    if (newLeft != left)
+    {
+      NotificationChain msgs = null;
+      if (left != null)
+        msgs = ((InternalEObject)left).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - ArithmeticsPackage.MULTI__LEFT, null, msgs);
+      if (newLeft != null)
+        msgs = ((InternalEObject)newLeft).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - ArithmeticsPackage.MULTI__LEFT, null, msgs);
+      msgs = basicSetLeft(newLeft, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.MULTI__LEFT, newLeft, newLeft));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Expression getRight()
+  {
+    return right;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetRight(Expression newRight, NotificationChain msgs)
+  {
+    Expression oldRight = right;
+    right = newRight;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.MULTI__RIGHT, oldRight, newRight);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setRight(Expression newRight)
+  {
+    if (newRight != right)
+    {
+      NotificationChain msgs = null;
+      if (right != null)
+        msgs = ((InternalEObject)right).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - ArithmeticsPackage.MULTI__RIGHT, null, msgs);
+      if (newRight != null)
+        msgs = ((InternalEObject)newRight).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - ArithmeticsPackage.MULTI__RIGHT, null, msgs);
+      msgs = basicSetRight(newRight, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.MULTI__RIGHT, newRight, newRight));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.MULTI__LEFT:
+        return basicSetLeft(null, msgs);
+      case ArithmeticsPackage.MULTI__RIGHT:
+        return basicSetRight(null, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.MULTI__LEFT:
+        return getLeft();
+      case ArithmeticsPackage.MULTI__RIGHT:
+        return getRight();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.MULTI__LEFT:
+        setLeft((Expression)newValue);
+        return;
+      case ArithmeticsPackage.MULTI__RIGHT:
+        setRight((Expression)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.MULTI__LEFT:
+        setLeft((Expression)null);
+        return;
+      case ArithmeticsPackage.MULTI__RIGHT:
+        setRight((Expression)null);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.MULTI__LEFT:
+        return left != null;
+      case ArithmeticsPackage.MULTI__RIGHT:
+        return right != null;
+    }
+    return super.eIsSet(featureID);
+  }
+
+} //MultiImpl
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/NumberLiteralImpl.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/NumberLiteralImpl.java
new file mode 100644
index 0000000..e3d0e13
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/NumberLiteralImpl.java
@@ -0,0 +1,181 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics.impl;
+
+import java.math.BigDecimal;
+
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+
+import org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage;
+import org.eclipse.xtext.example.arithmetics.arithmetics.NumberLiteral;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Number Literal</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.NumberLiteralImpl#getValue <em>Value</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class NumberLiteralImpl extends ExpressionImpl implements NumberLiteral
+{
+  /**
+   * The default value of the '{@link #getValue() <em>Value</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getValue()
+   * @generated
+   * @ordered
+   */
+  protected static final BigDecimal VALUE_EDEFAULT = null;
+
+  /**
+   * The cached value of the '{@link #getValue() <em>Value</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getValue()
+   * @generated
+   * @ordered
+   */
+  protected BigDecimal value = VALUE_EDEFAULT;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected NumberLiteralImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return ArithmeticsPackage.Literals.NUMBER_LITERAL;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public BigDecimal getValue()
+  {
+    return value;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setValue(BigDecimal newValue)
+  {
+    BigDecimal oldValue = value;
+    value = newValue;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.NUMBER_LITERAL__VALUE, oldValue, value));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.NUMBER_LITERAL__VALUE:
+        return getValue();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.NUMBER_LITERAL__VALUE:
+        setValue((BigDecimal)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.NUMBER_LITERAL__VALUE:
+        setValue(VALUE_EDEFAULT);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.NUMBER_LITERAL__VALUE:
+        return VALUE_EDEFAULT == null ? value != null : !VALUE_EDEFAULT.equals(value);
+    }
+    return super.eIsSet(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String toString()
+  {
+    if (eIsProxy()) return super.toString();
+
+    StringBuffer result = new StringBuffer(super.toString());
+    result.append(" (value: ");
+    result.append(value);
+    result.append(')');
+    return result.toString();
+  }
+
+} //NumberLiteralImpl
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/PlusImpl.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/PlusImpl.java
new file mode 100644
index 0000000..46e4001
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/PlusImpl.java
@@ -0,0 +1,267 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics.impl;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+
+import org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Expression;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Plus;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Plus</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.PlusImpl#getLeft <em>Left</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.arithmetics.arithmetics.impl.PlusImpl#getRight <em>Right</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class PlusImpl extends ExpressionImpl implements Plus
+{
+  /**
+   * The cached value of the '{@link #getLeft() <em>Left</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getLeft()
+   * @generated
+   * @ordered
+   */
+  protected Expression left;
+
+  /**
+   * The cached value of the '{@link #getRight() <em>Right</em>}' containment reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getRight()
+   * @generated
+   * @ordered
+   */
+  protected Expression right;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected PlusImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return ArithmeticsPackage.Literals.PLUS;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Expression getLeft()
+  {
+    return left;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetLeft(Expression newLeft, NotificationChain msgs)
+  {
+    Expression oldLeft = left;
+    left = newLeft;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.PLUS__LEFT, oldLeft, newLeft);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setLeft(Expression newLeft)
+  {
+    if (newLeft != left)
+    {
+      NotificationChain msgs = null;
+      if (left != null)
+        msgs = ((InternalEObject)left).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - ArithmeticsPackage.PLUS__LEFT, null, msgs);
+      if (newLeft != null)
+        msgs = ((InternalEObject)newLeft).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - ArithmeticsPackage.PLUS__LEFT, null, msgs);
+      msgs = basicSetLeft(newLeft, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.PLUS__LEFT, newLeft, newLeft));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Expression getRight()
+  {
+    return right;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public NotificationChain basicSetRight(Expression newRight, NotificationChain msgs)
+  {
+    Expression oldRight = right;
+    right = newRight;
+    if (eNotificationRequired())
+    {
+      ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.PLUS__RIGHT, oldRight, newRight);
+      if (msgs == null) msgs = notification; else msgs.add(notification);
+    }
+    return msgs;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setRight(Expression newRight)
+  {
+    if (newRight != right)
+    {
+      NotificationChain msgs = null;
+      if (right != null)
+        msgs = ((InternalEObject)right).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - ArithmeticsPackage.PLUS__RIGHT, null, msgs);
+      if (newRight != null)
+        msgs = ((InternalEObject)newRight).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - ArithmeticsPackage.PLUS__RIGHT, null, msgs);
+      msgs = basicSetRight(newRight, msgs);
+      if (msgs != null) msgs.dispatch();
+    }
+    else if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, ArithmeticsPackage.PLUS__RIGHT, newRight, newRight));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.PLUS__LEFT:
+        return basicSetLeft(null, msgs);
+      case ArithmeticsPackage.PLUS__RIGHT:
+        return basicSetRight(null, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.PLUS__LEFT:
+        return getLeft();
+      case ArithmeticsPackage.PLUS__RIGHT:
+        return getRight();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.PLUS__LEFT:
+        setLeft((Expression)newValue);
+        return;
+      case ArithmeticsPackage.PLUS__RIGHT:
+        setRight((Expression)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.PLUS__LEFT:
+        setLeft((Expression)null);
+        return;
+      case ArithmeticsPackage.PLUS__RIGHT:
+        setRight((Expression)null);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case ArithmeticsPackage.PLUS__LEFT:
+        return left != null;
+      case ArithmeticsPackage.PLUS__RIGHT:
+        return right != null;
+    }
+    return super.eIsSet(featureID);
+  }
+
+} //PlusImpl
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/StatementImpl.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/StatementImpl.java
new file mode 100644
index 0000000..f3ad601
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/impl/StatementImpl.java
@@ -0,0 +1,47 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics.impl;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Statement;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Statement</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * </p>
+ *
+ * @generated
+ */
+public class StatementImpl extends MinimalEObjectImpl.Container implements Statement
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected StatementImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return ArithmeticsPackage.Literals.STATEMENT;
+  }
+
+} //StatementImpl
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/util/ArithmeticsAdapterFactory.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/util/ArithmeticsAdapterFactory.java
new file mode 100644
index 0000000..adfb8df
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/util/ArithmeticsAdapterFactory.java
@@ -0,0 +1,395 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics.util;
+
+import org.eclipse.emf.common.notify.Adapter;
+import org.eclipse.emf.common.notify.Notifier;
+
+import org.eclipse.emf.common.notify.impl.AdapterFactoryImpl;
+
+import org.eclipse.emf.ecore.EObject;
+
+import org.eclipse.xtext.example.arithmetics.arithmetics.*;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Adapter Factory</b> for the model.
+ * It provides an adapter <code>createXXX</code> method for each class of the model.
+ * <!-- end-user-doc -->
+ * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage
+ * @generated
+ */
+public class ArithmeticsAdapterFactory extends AdapterFactoryImpl
+{
+  /**
+   * The cached model package.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected static ArithmeticsPackage modelPackage;
+
+  /**
+   * Creates an instance of the adapter factory.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public ArithmeticsAdapterFactory()
+  {
+    if (modelPackage == null)
+    {
+      modelPackage = ArithmeticsPackage.eINSTANCE;
+    }
+  }
+
+  /**
+   * Returns whether this factory is applicable for the type of the object.
+   * <!-- begin-user-doc -->
+   * This implementation returns <code>true</code> if the object is either the model's package or is an instance object of the model.
+   * <!-- end-user-doc -->
+   * @return whether this factory is applicable for the type of the object.
+   * @generated
+   */
+  @Override
+  public boolean isFactoryForType(Object object)
+  {
+    if (object == modelPackage)
+    {
+      return true;
+    }
+    if (object instanceof EObject)
+    {
+      return ((EObject)object).eClass().getEPackage() == modelPackage;
+    }
+    return false;
+  }
+
+  /**
+   * The switch that delegates to the <code>createXXX</code> methods.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected ArithmeticsSwitch<Adapter> modelSwitch =
+    new ArithmeticsSwitch<Adapter>()
+    {
+      @Override
+      public Adapter caseModule(Module object)
+      {
+        return createModuleAdapter();
+      }
+      @Override
+      public Adapter caseImport(Import object)
+      {
+        return createImportAdapter();
+      }
+      @Override
+      public Adapter caseStatement(Statement object)
+      {
+        return createStatementAdapter();
+      }
+      @Override
+      public Adapter caseDefinition(Definition object)
+      {
+        return createDefinitionAdapter();
+      }
+      @Override
+      public Adapter caseDeclaredParameter(DeclaredParameter object)
+      {
+        return createDeclaredParameterAdapter();
+      }
+      @Override
+      public Adapter caseAbstractDefinition(AbstractDefinition object)
+      {
+        return createAbstractDefinitionAdapter();
+      }
+      @Override
+      public Adapter caseEvaluation(Evaluation object)
+      {
+        return createEvaluationAdapter();
+      }
+      @Override
+      public Adapter caseExpression(Expression object)
+      {
+        return createExpressionAdapter();
+      }
+      @Override
+      public Adapter casePlus(Plus object)
+      {
+        return createPlusAdapter();
+      }
+      @Override
+      public Adapter caseMinus(Minus object)
+      {
+        return createMinusAdapter();
+      }
+      @Override
+      public Adapter caseMulti(Multi object)
+      {
+        return createMultiAdapter();
+      }
+      @Override
+      public Adapter caseDiv(Div object)
+      {
+        return createDivAdapter();
+      }
+      @Override
+      public Adapter caseNumberLiteral(NumberLiteral object)
+      {
+        return createNumberLiteralAdapter();
+      }
+      @Override
+      public Adapter caseFunctionCall(FunctionCall object)
+      {
+        return createFunctionCallAdapter();
+      }
+      @Override
+      public Adapter defaultCase(EObject object)
+      {
+        return createEObjectAdapter();
+      }
+    };
+
+  /**
+   * Creates an adapter for the <code>target</code>.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param target the object to adapt.
+   * @return the adapter for the <code>target</code>.
+   * @generated
+   */
+  @Override
+  public Adapter createAdapter(Notifier target)
+  {
+    return modelSwitch.doSwitch((EObject)target);
+  }
+
+
+  /**
+   * Creates a new adapter for an object of class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Module <em>Module</em>}'.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null so that we can easily ignore cases;
+   * it's useful to ignore a case when inheritance will catch all the cases anyway.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Module
+   * @generated
+   */
+  public Adapter createModuleAdapter()
+  {
+    return null;
+  }
+
+  /**
+   * Creates a new adapter for an object of class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Import <em>Import</em>}'.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null so that we can easily ignore cases;
+   * it's useful to ignore a case when inheritance will catch all the cases anyway.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Import
+   * @generated
+   */
+  public Adapter createImportAdapter()
+  {
+    return null;
+  }
+
+  /**
+   * Creates a new adapter for an object of class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Statement <em>Statement</em>}'.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null so that we can easily ignore cases;
+   * it's useful to ignore a case when inheritance will catch all the cases anyway.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Statement
+   * @generated
+   */
+  public Adapter createStatementAdapter()
+  {
+    return null;
+  }
+
+  /**
+   * Creates a new adapter for an object of class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Definition <em>Definition</em>}'.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null so that we can easily ignore cases;
+   * it's useful to ignore a case when inheritance will catch all the cases anyway.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Definition
+   * @generated
+   */
+  public Adapter createDefinitionAdapter()
+  {
+    return null;
+  }
+
+  /**
+   * Creates a new adapter for an object of class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.DeclaredParameter <em>Declared Parameter</em>}'.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null so that we can easily ignore cases;
+   * it's useful to ignore a case when inheritance will catch all the cases anyway.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.DeclaredParameter
+   * @generated
+   */
+  public Adapter createDeclaredParameterAdapter()
+  {
+    return null;
+  }
+
+  /**
+   * Creates a new adapter for an object of class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.AbstractDefinition <em>Abstract Definition</em>}'.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null so that we can easily ignore cases;
+   * it's useful to ignore a case when inheritance will catch all the cases anyway.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.AbstractDefinition
+   * @generated
+   */
+  public Adapter createAbstractDefinitionAdapter()
+  {
+    return null;
+  }
+
+  /**
+   * Creates a new adapter for an object of class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Evaluation <em>Evaluation</em>}'.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null so that we can easily ignore cases;
+   * it's useful to ignore a case when inheritance will catch all the cases anyway.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Evaluation
+   * @generated
+   */
+  public Adapter createEvaluationAdapter()
+  {
+    return null;
+  }
+
+  /**
+   * Creates a new adapter for an object of class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Expression <em>Expression</em>}'.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null so that we can easily ignore cases;
+   * it's useful to ignore a case when inheritance will catch all the cases anyway.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Expression
+   * @generated
+   */
+  public Adapter createExpressionAdapter()
+  {
+    return null;
+  }
+
+  /**
+   * Creates a new adapter for an object of class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Plus <em>Plus</em>}'.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null so that we can easily ignore cases;
+   * it's useful to ignore a case when inheritance will catch all the cases anyway.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Plus
+   * @generated
+   */
+  public Adapter createPlusAdapter()
+  {
+    return null;
+  }
+
+  /**
+   * Creates a new adapter for an object of class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Minus <em>Minus</em>}'.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null so that we can easily ignore cases;
+   * it's useful to ignore a case when inheritance will catch all the cases anyway.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Minus
+   * @generated
+   */
+  public Adapter createMinusAdapter()
+  {
+    return null;
+  }
+
+  /**
+   * Creates a new adapter for an object of class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Multi <em>Multi</em>}'.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null so that we can easily ignore cases;
+   * it's useful to ignore a case when inheritance will catch all the cases anyway.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Multi
+   * @generated
+   */
+  public Adapter createMultiAdapter()
+  {
+    return null;
+  }
+
+  /**
+   * Creates a new adapter for an object of class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.Div <em>Div</em>}'.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null so that we can easily ignore cases;
+   * it's useful to ignore a case when inheritance will catch all the cases anyway.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.Div
+   * @generated
+   */
+  public Adapter createDivAdapter()
+  {
+    return null;
+  }
+
+  /**
+   * Creates a new adapter for an object of class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.NumberLiteral <em>Number Literal</em>}'.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null so that we can easily ignore cases;
+   * it's useful to ignore a case when inheritance will catch all the cases anyway.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.NumberLiteral
+   * @generated
+   */
+  public Adapter createNumberLiteralAdapter()
+  {
+    return null;
+  }
+
+  /**
+   * Creates a new adapter for an object of class '{@link org.eclipse.xtext.example.arithmetics.arithmetics.FunctionCall <em>Function Call</em>}'.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null so that we can easily ignore cases;
+   * it's useful to ignore a case when inheritance will catch all the cases anyway.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @see org.eclipse.xtext.example.arithmetics.arithmetics.FunctionCall
+   * @generated
+   */
+  public Adapter createFunctionCallAdapter()
+  {
+    return null;
+  }
+
+  /**
+   * Creates a new adapter for the default case.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @generated
+   */
+  public Adapter createEObjectAdapter()
+  {
+    return null;
+  }
+
+} //ArithmeticsAdapterFactory
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/util/ArithmeticsSwitch.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/util/ArithmeticsSwitch.java
new file mode 100644
index 0000000..ff7a0b6
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/arithmetics/util/ArithmeticsSwitch.java
@@ -0,0 +1,450 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.arithmetics.arithmetics.util;
+
+import java.util.List;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EObject;
+
+import org.eclipse.xtext.example.arithmetics.arithmetics.*;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Switch</b> for the model's inheritance hierarchy.
+ * It supports the call {@link #doSwitch(EObject) doSwitch(object)}
+ * to invoke the <code>caseXXX</code> method for each class of the model,
+ * starting with the actual class of the object
+ * and proceeding up the inheritance hierarchy
+ * until a non-null result is returned,
+ * which is the result of the switch.
+ * <!-- end-user-doc -->
+ * @see org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage
+ * @generated
+ */
+public class ArithmeticsSwitch<T>
+{
+  /**
+   * The cached model package
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected static ArithmeticsPackage modelPackage;
+
+  /**
+   * Creates an instance of the switch.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public ArithmeticsSwitch()
+  {
+    if (modelPackage == null)
+    {
+      modelPackage = ArithmeticsPackage.eINSTANCE;
+    }
+  }
+
+  /**
+   * Calls <code>caseXXX</code> for each class of the model until one returns a non null result; it yields that result.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the first non-null result returned by a <code>caseXXX</code> call.
+   * @generated
+   */
+  public T doSwitch(EObject theEObject)
+  {
+    return doSwitch(theEObject.eClass(), theEObject);
+  }
+
+  /**
+   * Calls <code>caseXXX</code> for each class of the model until one returns a non null result; it yields that result.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the first non-null result returned by a <code>caseXXX</code> call.
+   * @generated
+   */
+  protected T doSwitch(EClass theEClass, EObject theEObject)
+  {
+    if (theEClass.eContainer() == modelPackage)
+    {
+      return doSwitch(theEClass.getClassifierID(), theEObject);
+    }
+    else
+    {
+      List<EClass> eSuperTypes = theEClass.getESuperTypes();
+      return
+        eSuperTypes.isEmpty() ?
+          defaultCase(theEObject) :
+          doSwitch(eSuperTypes.get(0), theEObject);
+    }
+  }
+
+  /**
+   * Calls <code>caseXXX</code> for each class of the model until one returns a non null result; it yields that result.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the first non-null result returned by a <code>caseXXX</code> call.
+   * @generated
+   */
+  protected T doSwitch(int classifierID, EObject theEObject)
+  {
+    switch (classifierID)
+    {
+      case ArithmeticsPackage.MODULE:
+      {
+        Module module = (Module)theEObject;
+        T result = caseModule(module);
+        if (result == null) result = defaultCase(theEObject);
+        return result;
+      }
+      case ArithmeticsPackage.IMPORT:
+      {
+        Import import_ = (Import)theEObject;
+        T result = caseImport(import_);
+        if (result == null) result = defaultCase(theEObject);
+        return result;
+      }
+      case ArithmeticsPackage.STATEMENT:
+      {
+        Statement statement = (Statement)theEObject;
+        T result = caseStatement(statement);
+        if (result == null) result = defaultCase(theEObject);
+        return result;
+      }
+      case ArithmeticsPackage.DEFINITION:
+      {
+        Definition definition = (Definition)theEObject;
+        T result = caseDefinition(definition);
+        if (result == null) result = caseStatement(definition);
+        if (result == null) result = caseAbstractDefinition(definition);
+        if (result == null) result = defaultCase(theEObject);
+        return result;
+      }
+      case ArithmeticsPackage.DECLARED_PARAMETER:
+      {
+        DeclaredParameter declaredParameter = (DeclaredParameter)theEObject;
+        T result = caseDeclaredParameter(declaredParameter);
+        if (result == null) result = caseAbstractDefinition(declaredParameter);
+        if (result == null) result = defaultCase(theEObject);
+        return result;
+      }
+      case ArithmeticsPackage.ABSTRACT_DEFINITION:
+      {
+        AbstractDefinition abstractDefinition = (AbstractDefinition)theEObject;
+        T result = caseAbstractDefinition(abstractDefinition);
+        if (result == null) result = defaultCase(theEObject);
+        return result;
+      }
+      case ArithmeticsPackage.EVALUATION:
+      {
+        Evaluation evaluation = (Evaluation)theEObject;
+        T result = caseEvaluation(evaluation);
+        if (result == null) result = caseStatement(evaluation);
+        if (result == null) result = defaultCase(theEObject);
+        return result;
+      }
+      case ArithmeticsPackage.EXPRESSION:
+      {
+        Expression expression = (Expression)theEObject;
+        T result = caseExpression(expression);
+        if (result == null) result = defaultCase(theEObject);
+        return result;
+      }
+      case ArithmeticsPackage.PLUS:
+      {
+        Plus plus = (Plus)theEObject;
+        T result = casePlus(plus);
+        if (result == null) result = caseExpression(plus);
+        if (result == null) result = defaultCase(theEObject);
+        return result;
+      }
+      case ArithmeticsPackage.MINUS:
+      {
+        Minus minus = (Minus)theEObject;
+        T result = caseMinus(minus);
+        if (result == null) result = caseExpression(minus);
+        if (result == null) result = defaultCase(theEObject);
+        return result;
+      }
+      case ArithmeticsPackage.MULTI:
+      {
+        Multi multi = (Multi)theEObject;
+        T result = caseMulti(multi);
+        if (result == null) result = caseExpression(multi);
+        if (result == null) result = defaultCase(theEObject);
+        return result;
+      }
+      case ArithmeticsPackage.DIV:
+      {
+        Div div = (Div)theEObject;
+        T result = caseDiv(div);
+        if (result == null) result = caseExpression(div);
+        if (result == null) result = defaultCase(theEObject);
+        return result;
+      }
+      case ArithmeticsPackage.NUMBER_LITERAL:
+      {
+        NumberLiteral numberLiteral = (NumberLiteral)theEObject;
+        T result = caseNumberLiteral(numberLiteral);
+        if (result == null) result = caseExpression(numberLiteral);
+        if (result == null) result = defaultCase(theEObject);
+        return result;
+      }
+      case ArithmeticsPackage.FUNCTION_CALL:
+      {
+        FunctionCall functionCall = (FunctionCall)theEObject;
+        T result = caseFunctionCall(functionCall);
+        if (result == null) result = caseExpression(functionCall);
+        if (result == null) result = defaultCase(theEObject);
+        return result;
+      }
+      default: return defaultCase(theEObject);
+    }
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>Module</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>Module</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+   * @generated
+   */
+  public T caseModule(Module object)
+  {
+    return null;
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>Import</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>Import</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+   * @generated
+   */
+  public T caseImport(Import object)
+  {
+    return null;
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>Statement</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>Statement</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+   * @generated
+   */
+  public T caseStatement(Statement object)
+  {
+    return null;
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>Definition</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>Definition</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+   * @generated
+   */
+  public T caseDefinition(Definition object)
+  {
+    return null;
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>Declared Parameter</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>Declared Parameter</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+   * @generated
+   */
+  public T caseDeclaredParameter(DeclaredParameter object)
+  {
+    return null;
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>Abstract Definition</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>Abstract Definition</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+   * @generated
+   */
+  public T caseAbstractDefinition(AbstractDefinition object)
+  {
+    return null;
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>Evaluation</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>Evaluation</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+   * @generated
+   */
+  public T caseEvaluation(Evaluation object)
+  {
+    return null;
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>Expression</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>Expression</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+   * @generated
+   */
+  public T caseExpression(Expression object)
+  {
+    return null;
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>Plus</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>Plus</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+   * @generated
+   */
+  public T casePlus(Plus object)
+  {
+    return null;
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>Minus</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>Minus</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+   * @generated
+   */
+  public T caseMinus(Minus object)
+  {
+    return null;
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>Multi</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>Multi</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+   * @generated
+   */
+  public T caseMulti(Multi object)
+  {
+    return null;
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>Div</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>Div</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+   * @generated
+   */
+  public T caseDiv(Div object)
+  {
+    return null;
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>Number Literal</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>Number Literal</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+   * @generated
+   */
+  public T caseNumberLiteral(NumberLiteral object)
+  {
+    return null;
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>Function Call</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>Function Call</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+   * @generated
+   */
+  public T caseFunctionCall(FunctionCall object)
+  {
+    return null;
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>EObject</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch, but this is the last case anyway.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>EObject</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject)
+   * @generated
+   */
+  public T defaultCase(EObject object)
+  {
+    return null;
+  }
+
+} //ArithmeticsSwitch
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/ArithmeticsAntlrTokenFileProvider.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/ArithmeticsAntlrTokenFileProvider.java
new file mode 100644
index 0000000..18ea354
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/ArithmeticsAntlrTokenFileProvider.java
@@ -0,0 +1,15 @@
+/*
+* generated by Xtext
+*/
+package org.eclipse.xtext.example.arithmetics.parser.antlr;
+
+import java.io.InputStream;
+import org.eclipse.xtext.parser.antlr.IAntlrTokenFileProvider;
+
+public class ArithmeticsAntlrTokenFileProvider implements IAntlrTokenFileProvider {
+	
+	public InputStream getAntlrTokenFile() {
+		ClassLoader classLoader = getClass().getClassLoader();
+    	return classLoader.getResourceAsStream("org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.tokens");
+	}
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/ArithmeticsParser.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/ArithmeticsParser.java
new file mode 100644
index 0000000..52f3284
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/ArithmeticsParser.java
@@ -0,0 +1,39 @@
+/*
+* generated by Xtext
+*/
+package org.eclipse.xtext.example.arithmetics.parser.antlr;
+
+import com.google.inject.Inject;
+
+import org.eclipse.xtext.parser.antlr.XtextTokenStream;
+import org.eclipse.xtext.example.arithmetics.services.ArithmeticsGrammarAccess;
+
+public class ArithmeticsParser extends org.eclipse.xtext.parser.antlr.AbstractAntlrParser {
+	
+	@Inject
+	private ArithmeticsGrammarAccess grammarAccess;
+	
+	@Override
+	protected void setInitialHiddenTokens(XtextTokenStream tokenStream) {
+		tokenStream.setInitialHiddenTokens("RULE_WS", "RULE_ML_COMMENT", "RULE_SL_COMMENT");
+	}
+	
+	@Override
+	protected org.eclipse.xtext.example.arithmetics.parser.antlr.internal.InternalArithmeticsParser createParser(XtextTokenStream stream) {
+		return new org.eclipse.xtext.example.arithmetics.parser.antlr.internal.InternalArithmeticsParser(stream, getGrammarAccess());
+	}
+	
+	@Override 
+	protected String getDefaultRuleName() {
+		return "Module";
+	}
+	
+	public ArithmeticsGrammarAccess getGrammarAccess() {
+		return this.grammarAccess;
+	}
+	
+	public void setGrammarAccess(ArithmeticsGrammarAccess grammarAccess) {
+		this.grammarAccess = grammarAccess;
+	}
+	
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g
new file mode 100644
index 0000000..8afc730
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g
@@ -0,0 +1,784 @@
+/*
+* generated by Xtext
+*/
+grammar InternalArithmetics;
+
+options {
+	superClass=AbstractInternalAntlrParser;
+	
+}
+
+@lexer::header {
+package org.eclipse.xtext.example.arithmetics.parser.antlr.internal;
+
+// Hack: Use our own Lexer superclass by means of import. 
+// Currently there is no other way to specify the superclass for the lexer.
+import org.eclipse.xtext.parser.antlr.Lexer;
+}
+
+@parser::header {
+package org.eclipse.xtext.example.arithmetics.parser.antlr.internal; 
+
+import org.eclipse.xtext.*;
+import org.eclipse.xtext.parser.*;
+import org.eclipse.xtext.parser.impl.*;
+import org.eclipse.emf.ecore.util.EcoreUtil;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.parser.antlr.AbstractInternalAntlrParser;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream.HiddenTokens;
+import org.eclipse.xtext.parser.antlr.AntlrDatatypeRuleToken;
+import org.eclipse.xtext.example.arithmetics.services.ArithmeticsGrammarAccess;
+
+}
+
+@parser::members {
+
+ 	private ArithmeticsGrammarAccess grammarAccess;
+ 	
+    public InternalArithmeticsParser(TokenStream input, ArithmeticsGrammarAccess grammarAccess) {
+        this(input);
+        this.grammarAccess = grammarAccess;
+        registerRules(grammarAccess.getGrammar());
+    }
+    
+    @Override
+    protected String getFirstRuleName() {
+    	return "Module";	
+   	}
+   	
+   	@Override
+   	protected ArithmeticsGrammarAccess getGrammarAccess() {
+   		return grammarAccess;
+   	}
+}
+
+@rulecatch { 
+    catch (RecognitionException re) { 
+        recover(input,re); 
+        appendSkippedTokens();
+    } 
+}
+
+
+
+
+// Entry rule entryRuleModule
+entryRuleModule returns [EObject current=null] 
+	:
+	{ newCompositeNode(grammarAccess.getModuleRule()); }
+	 iv_ruleModule=ruleModule 
+	 { $current=$iv_ruleModule.current; } 
+	 EOF 
+;
+
+// Rule Module
+ruleModule returns [EObject current=null] 
+    @init { enterRule(); 
+    }
+    @after { leaveRule(); }:
+(	otherlv_0='module' 
+    {
+    	newLeafNode(otherlv_0, grammarAccess.getModuleAccess().getModuleKeyword_0());
+    }
+(
+(
+		lv_name_1_0=RULE_ID
+		{
+			newLeafNode(lv_name_1_0, grammarAccess.getModuleAccess().getNameIDTerminalRuleCall_1_0()); 
+		}
+		{
+	        if ($current==null) {
+	            $current = createModelElement(grammarAccess.getModuleRule());
+	        }
+       		setWithLastConsumed(
+       			$current, 
+       			"name",
+        		lv_name_1_0, 
+        		"ID");
+	    }
+
+)
+)(
+(
+		{ 
+	        newCompositeNode(grammarAccess.getModuleAccess().getImportsImportParserRuleCall_2_0()); 
+	    }
+		lv_imports_2_0=ruleImport		{
+	        if ($current==null) {
+	            $current = createModelElementForParent(grammarAccess.getModuleRule());
+	        }
+       		add(
+       			$current, 
+       			"imports",
+        		lv_imports_2_0, 
+        		"Import");
+	        afterParserOrEnumRuleCall();
+	    }
+
+)
+)*(
+(
+		{ 
+	        newCompositeNode(grammarAccess.getModuleAccess().getStatementsStatementParserRuleCall_3_0()); 
+	    }
+		lv_statements_3_0=ruleStatement		{
+	        if ($current==null) {
+	            $current = createModelElementForParent(grammarAccess.getModuleRule());
+	        }
+       		add(
+       			$current, 
+       			"statements",
+        		lv_statements_3_0, 
+        		"Statement");
+	        afterParserOrEnumRuleCall();
+	    }
+
+)
+)*)
+;
+
+
+
+
+
+// Entry rule entryRuleImport
+entryRuleImport returns [EObject current=null] 
+	:
+	{ newCompositeNode(grammarAccess.getImportRule()); }
+	 iv_ruleImport=ruleImport 
+	 { $current=$iv_ruleImport.current; } 
+	 EOF 
+;
+
+// Rule Import
+ruleImport returns [EObject current=null] 
+    @init { enterRule(); 
+    }
+    @after { leaveRule(); }:
+(	otherlv_0='import' 
+    {
+    	newLeafNode(otherlv_0, grammarAccess.getImportAccess().getImportKeyword_0());
+    }
+(
+(
+		{ 
+	        newCompositeNode(grammarAccess.getImportAccess().getImportedNamespaceImportNameParserRuleCall_1_0()); 
+	    }
+		lv_importedNamespace_1_0=ruleImportName		{
+	        if ($current==null) {
+	            $current = createModelElementForParent(grammarAccess.getImportRule());
+	        }
+       		set(
+       			$current, 
+       			"importedNamespace",
+        		lv_importedNamespace_1_0, 
+        		"ImportName");
+	        afterParserOrEnumRuleCall();
+	    }
+
+)
+))
+;
+
+
+
+
+
+// Entry rule entryRuleImportName
+entryRuleImportName returns [String current=null] 
+	:
+	{ newCompositeNode(grammarAccess.getImportNameRule()); } 
+	 iv_ruleImportName=ruleImportName 
+	 { $current=$iv_ruleImportName.current.getText(); }  
+	 EOF 
+;
+
+// Rule ImportName
+ruleImportName returns [AntlrDatatypeRuleToken current=new AntlrDatatypeRuleToken()] 
+    @init { enterRule(); 
+    }
+    @after { leaveRule(); }:
+(    this_ID_0=RULE_ID    {
+		$current.merge(this_ID_0);
+    }
+
+    { 
+    newLeafNode(this_ID_0, grammarAccess.getImportNameAccess().getIDTerminalRuleCall_0()); 
+    }
+(
+	kw='.' 
+    {
+        $current.merge(kw);
+        newLeafNode(kw, grammarAccess.getImportNameAccess().getFullStopKeyword_1_0()); 
+    }
+
+	kw='*' 
+    {
+        $current.merge(kw);
+        newLeafNode(kw, grammarAccess.getImportNameAccess().getAsteriskKeyword_1_1()); 
+    }
+)?)
+    ;
+
+
+
+
+
+// Entry rule entryRuleStatement
+entryRuleStatement returns [EObject current=null] 
+	:
+	{ newCompositeNode(grammarAccess.getStatementRule()); }
+	 iv_ruleStatement=ruleStatement 
+	 { $current=$iv_ruleStatement.current; } 
+	 EOF 
+;
+
+// Rule Statement
+ruleStatement returns [EObject current=null] 
+    @init { enterRule(); 
+    }
+    @after { leaveRule(); }:
+(
+    { 
+        newCompositeNode(grammarAccess.getStatementAccess().getDefinitionParserRuleCall_0()); 
+    }
+    this_Definition_0=ruleDefinition
+    { 
+        $current = $this_Definition_0.current; 
+        afterParserOrEnumRuleCall();
+    }
+
+    |
+    { 
+        newCompositeNode(grammarAccess.getStatementAccess().getEvaluationParserRuleCall_1()); 
+    }
+    this_Evaluation_1=ruleEvaluation
+    { 
+        $current = $this_Evaluation_1.current; 
+        afterParserOrEnumRuleCall();
+    }
+)
+;
+
+
+
+
+
+// Entry rule entryRuleDefinition
+entryRuleDefinition returns [EObject current=null] 
+	:
+	{ newCompositeNode(grammarAccess.getDefinitionRule()); }
+	 iv_ruleDefinition=ruleDefinition 
+	 { $current=$iv_ruleDefinition.current; } 
+	 EOF 
+;
+
+// Rule Definition
+ruleDefinition returns [EObject current=null] 
+    @init { enterRule(); 
+    }
+    @after { leaveRule(); }:
+(	otherlv_0='def' 
+    {
+    	newLeafNode(otherlv_0, grammarAccess.getDefinitionAccess().getDefKeyword_0());
+    }
+(
+(
+		lv_name_1_0=RULE_ID
+		{
+			newLeafNode(lv_name_1_0, grammarAccess.getDefinitionAccess().getNameIDTerminalRuleCall_1_0()); 
+		}
+		{
+	        if ($current==null) {
+	            $current = createModelElement(grammarAccess.getDefinitionRule());
+	        }
+       		setWithLastConsumed(
+       			$current, 
+       			"name",
+        		lv_name_1_0, 
+        		"ID");
+	    }
+
+)
+)(	otherlv_2='(' 
+    {
+    	newLeafNode(otherlv_2, grammarAccess.getDefinitionAccess().getLeftParenthesisKeyword_2_0());
+    }
+(
+(
+		{ 
+	        newCompositeNode(grammarAccess.getDefinitionAccess().getArgsDeclaredParameterParserRuleCall_2_1_0()); 
+	    }
+		lv_args_3_0=ruleDeclaredParameter		{
+	        if ($current==null) {
+	            $current = createModelElementForParent(grammarAccess.getDefinitionRule());
+	        }
+       		add(
+       			$current, 
+       			"args",
+        		lv_args_3_0, 
+        		"DeclaredParameter");
+	        afterParserOrEnumRuleCall();
+	    }
+
+)
+)(	otherlv_4=',' 
+    {
+    	newLeafNode(otherlv_4, grammarAccess.getDefinitionAccess().getCommaKeyword_2_2_0());
+    }
+(
+(
+		{ 
+	        newCompositeNode(grammarAccess.getDefinitionAccess().getArgsDeclaredParameterParserRuleCall_2_2_1_0()); 
+	    }
+		lv_args_5_0=ruleDeclaredParameter		{
+	        if ($current==null) {
+	            $current = createModelElementForParent(grammarAccess.getDefinitionRule());
+	        }
+       		add(
+       			$current, 
+       			"args",
+        		lv_args_5_0, 
+        		"DeclaredParameter");
+	        afterParserOrEnumRuleCall();
+	    }
+
+)
+))*	otherlv_6=')' 
+    {
+    	newLeafNode(otherlv_6, grammarAccess.getDefinitionAccess().getRightParenthesisKeyword_2_3());
+    }
+)?	otherlv_7=':' 
+    {
+    	newLeafNode(otherlv_7, grammarAccess.getDefinitionAccess().getColonKeyword_3());
+    }
+(
+(
+		{ 
+	        newCompositeNode(grammarAccess.getDefinitionAccess().getExprExpressionParserRuleCall_4_0()); 
+	    }
+		lv_expr_8_0=ruleExpression		{
+	        if ($current==null) {
+	            $current = createModelElementForParent(grammarAccess.getDefinitionRule());
+	        }
+       		set(
+       			$current, 
+       			"expr",
+        		lv_expr_8_0, 
+        		"Expression");
+	        afterParserOrEnumRuleCall();
+	    }
+
+)
+)	otherlv_9=';' 
+    {
+    	newLeafNode(otherlv_9, grammarAccess.getDefinitionAccess().getSemicolonKeyword_5());
+    }
+)
+;
+
+
+
+
+
+// Entry rule entryRuleDeclaredParameter
+entryRuleDeclaredParameter returns [EObject current=null] 
+	:
+	{ newCompositeNode(grammarAccess.getDeclaredParameterRule()); }
+	 iv_ruleDeclaredParameter=ruleDeclaredParameter 
+	 { $current=$iv_ruleDeclaredParameter.current; } 
+	 EOF 
+;
+
+// Rule DeclaredParameter
+ruleDeclaredParameter returns [EObject current=null] 
+    @init { enterRule(); 
+    }
+    @after { leaveRule(); }:
+(
+(
+		lv_name_0_0=RULE_ID
+		{
+			newLeafNode(lv_name_0_0, grammarAccess.getDeclaredParameterAccess().getNameIDTerminalRuleCall_0()); 
+		}
+		{
+	        if ($current==null) {
+	            $current = createModelElement(grammarAccess.getDeclaredParameterRule());
+	        }
+       		setWithLastConsumed(
+       			$current, 
+       			"name",
+        		lv_name_0_0, 
+        		"ID");
+	    }
+
+)
+)
+;
+
+
+
+
+
+
+
+// Entry rule entryRuleEvaluation
+entryRuleEvaluation returns [EObject current=null] 
+	:
+	{ newCompositeNode(grammarAccess.getEvaluationRule()); }
+	 iv_ruleEvaluation=ruleEvaluation 
+	 { $current=$iv_ruleEvaluation.current; } 
+	 EOF 
+;
+
+// Rule Evaluation
+ruleEvaluation returns [EObject current=null] 
+    @init { enterRule(); 
+    }
+    @after { leaveRule(); }:
+((
+(
+		{ 
+	        newCompositeNode(grammarAccess.getEvaluationAccess().getExpressionExpressionParserRuleCall_0_0()); 
+	    }
+		lv_expression_0_0=ruleExpression		{
+	        if ($current==null) {
+	            $current = createModelElementForParent(grammarAccess.getEvaluationRule());
+	        }
+       		set(
+       			$current, 
+       			"expression",
+        		lv_expression_0_0, 
+        		"Expression");
+	        afterParserOrEnumRuleCall();
+	    }
+
+)
+)	otherlv_1=';' 
+    {
+    	newLeafNode(otherlv_1, grammarAccess.getEvaluationAccess().getSemicolonKeyword_1());
+    }
+)
+;
+
+
+
+
+
+// Entry rule entryRuleExpression
+entryRuleExpression returns [EObject current=null] 
+	:
+	{ newCompositeNode(grammarAccess.getExpressionRule()); }
+	 iv_ruleExpression=ruleExpression 
+	 { $current=$iv_ruleExpression.current; } 
+	 EOF 
+;
+
+// Rule Expression
+ruleExpression returns [EObject current=null] 
+    @init { enterRule(); 
+    }
+    @after { leaveRule(); }:
+
+    { 
+        newCompositeNode(grammarAccess.getExpressionAccess().getAdditionParserRuleCall()); 
+    }
+    this_Addition_0=ruleAddition
+    { 
+        $current = $this_Addition_0.current; 
+        afterParserOrEnumRuleCall();
+    }
+
+;
+
+
+
+
+
+// Entry rule entryRuleAddition
+entryRuleAddition returns [EObject current=null] 
+	:
+	{ newCompositeNode(grammarAccess.getAdditionRule()); }
+	 iv_ruleAddition=ruleAddition 
+	 { $current=$iv_ruleAddition.current; } 
+	 EOF 
+;
+
+// Rule Addition
+ruleAddition returns [EObject current=null] 
+    @init { enterRule(); 
+    }
+    @after { leaveRule(); }:
+(
+    { 
+        newCompositeNode(grammarAccess.getAdditionAccess().getMultiplicationParserRuleCall_0()); 
+    }
+    this_Multiplication_0=ruleMultiplication
+    { 
+        $current = $this_Multiplication_0.current; 
+        afterParserOrEnumRuleCall();
+    }
+((((
+    {
+        $current = forceCreateModelElementAndSet(
+            grammarAccess.getAdditionAccess().getPlusLeftAction_1_0_0_0(),
+            $current);
+    }
+)	otherlv_2='+' 
+    {
+    	newLeafNode(otherlv_2, grammarAccess.getAdditionAccess().getPlusSignKeyword_1_0_0_1());
+    }
+)
+    |((
+    {
+        $current = forceCreateModelElementAndSet(
+            grammarAccess.getAdditionAccess().getMinusLeftAction_1_0_1_0(),
+            $current);
+    }
+)	otherlv_4='-' 
+    {
+    	newLeafNode(otherlv_4, grammarAccess.getAdditionAccess().getHyphenMinusKeyword_1_0_1_1());
+    }
+))(
+(
+		{ 
+	        newCompositeNode(grammarAccess.getAdditionAccess().getRightMultiplicationParserRuleCall_1_1_0()); 
+	    }
+		lv_right_5_0=ruleMultiplication		{
+	        if ($current==null) {
+	            $current = createModelElementForParent(grammarAccess.getAdditionRule());
+	        }
+       		set(
+       			$current, 
+       			"right",
+        		lv_right_5_0, 
+        		"Multiplication");
+	        afterParserOrEnumRuleCall();
+	    }
+
+)
+))*)
+;
+
+
+
+
+
+// Entry rule entryRuleMultiplication
+entryRuleMultiplication returns [EObject current=null] 
+	:
+	{ newCompositeNode(grammarAccess.getMultiplicationRule()); }
+	 iv_ruleMultiplication=ruleMultiplication 
+	 { $current=$iv_ruleMultiplication.current; } 
+	 EOF 
+;
+
+// Rule Multiplication
+ruleMultiplication returns [EObject current=null] 
+    @init { enterRule(); 
+    }
+    @after { leaveRule(); }:
+(
+    { 
+        newCompositeNode(grammarAccess.getMultiplicationAccess().getPrimaryExpressionParserRuleCall_0()); 
+    }
+    this_PrimaryExpression_0=rulePrimaryExpression
+    { 
+        $current = $this_PrimaryExpression_0.current; 
+        afterParserOrEnumRuleCall();
+    }
+((((
+    {
+        $current = forceCreateModelElementAndSet(
+            grammarAccess.getMultiplicationAccess().getMultiLeftAction_1_0_0_0(),
+            $current);
+    }
+)	otherlv_2='*' 
+    {
+    	newLeafNode(otherlv_2, grammarAccess.getMultiplicationAccess().getAsteriskKeyword_1_0_0_1());
+    }
+)
+    |((
+    {
+        $current = forceCreateModelElementAndSet(
+            grammarAccess.getMultiplicationAccess().getDivLeftAction_1_0_1_0(),
+            $current);
+    }
+)	otherlv_4='/' 
+    {
+    	newLeafNode(otherlv_4, grammarAccess.getMultiplicationAccess().getSolidusKeyword_1_0_1_1());
+    }
+))(
+(
+		{ 
+	        newCompositeNode(grammarAccess.getMultiplicationAccess().getRightPrimaryExpressionParserRuleCall_1_1_0()); 
+	    }
+		lv_right_5_0=rulePrimaryExpression		{
+	        if ($current==null) {
+	            $current = createModelElementForParent(grammarAccess.getMultiplicationRule());
+	        }
+       		set(
+       			$current, 
+       			"right",
+        		lv_right_5_0, 
+        		"PrimaryExpression");
+	        afterParserOrEnumRuleCall();
+	    }
+
+)
+))*)
+;
+
+
+
+
+
+// Entry rule entryRulePrimaryExpression
+entryRulePrimaryExpression returns [EObject current=null] 
+	:
+	{ newCompositeNode(grammarAccess.getPrimaryExpressionRule()); }
+	 iv_rulePrimaryExpression=rulePrimaryExpression 
+	 { $current=$iv_rulePrimaryExpression.current; } 
+	 EOF 
+;
+
+// Rule PrimaryExpression
+rulePrimaryExpression returns [EObject current=null] 
+    @init { enterRule(); 
+    }
+    @after { leaveRule(); }:
+((	otherlv_0='(' 
+    {
+    	newLeafNode(otherlv_0, grammarAccess.getPrimaryExpressionAccess().getLeftParenthesisKeyword_0_0());
+    }
+
+    { 
+        newCompositeNode(grammarAccess.getPrimaryExpressionAccess().getExpressionParserRuleCall_0_1()); 
+    }
+    this_Expression_1=ruleExpression
+    { 
+        $current = $this_Expression_1.current; 
+        afterParserOrEnumRuleCall();
+    }
+	otherlv_2=')' 
+    {
+    	newLeafNode(otherlv_2, grammarAccess.getPrimaryExpressionAccess().getRightParenthesisKeyword_0_2());
+    }
+)
+    |((
+    {
+        $current = forceCreateModelElement(
+            grammarAccess.getPrimaryExpressionAccess().getNumberLiteralAction_1_0(),
+            $current);
+    }
+)(
+(
+		lv_value_4_0=RULE_NUMBER
+		{
+			newLeafNode(lv_value_4_0, grammarAccess.getPrimaryExpressionAccess().getValueNUMBERTerminalRuleCall_1_1_0()); 
+		}
+		{
+	        if ($current==null) {
+	            $current = createModelElement(grammarAccess.getPrimaryExpressionRule());
+	        }
+       		setWithLastConsumed(
+       			$current, 
+       			"value",
+        		lv_value_4_0, 
+        		"NUMBER");
+	    }
+
+)
+))
+    |((
+    {
+        $current = forceCreateModelElement(
+            grammarAccess.getPrimaryExpressionAccess().getFunctionCallAction_2_0(),
+            $current);
+    }
+)(
+(
+		{
+			if ($current==null) {
+	            $current = createModelElement(grammarAccess.getPrimaryExpressionRule());
+	        }
+        }
+	otherlv_6=RULE_ID
+	{
+		newLeafNode(otherlv_6, grammarAccess.getPrimaryExpressionAccess().getFuncAbstractDefinitionCrossReference_2_1_0()); 
+	}
+
+)
+)(	otherlv_7='(' 
+    {
+    	newLeafNode(otherlv_7, grammarAccess.getPrimaryExpressionAccess().getLeftParenthesisKeyword_2_2_0());
+    }
+(
+(
+		{ 
+	        newCompositeNode(grammarAccess.getPrimaryExpressionAccess().getArgsExpressionParserRuleCall_2_2_1_0()); 
+	    }
+		lv_args_8_0=ruleExpression		{
+	        if ($current==null) {
+	            $current = createModelElementForParent(grammarAccess.getPrimaryExpressionRule());
+	        }
+       		add(
+       			$current, 
+       			"args",
+        		lv_args_8_0, 
+        		"Expression");
+	        afterParserOrEnumRuleCall();
+	    }
+
+)
+)(	otherlv_9=',' 
+    {
+    	newLeafNode(otherlv_9, grammarAccess.getPrimaryExpressionAccess().getCommaKeyword_2_2_2_0());
+    }
+(
+(
+		{ 
+	        newCompositeNode(grammarAccess.getPrimaryExpressionAccess().getArgsExpressionParserRuleCall_2_2_2_1_0()); 
+	    }
+		lv_args_10_0=ruleExpression		{
+	        if ($current==null) {
+	            $current = createModelElementForParent(grammarAccess.getPrimaryExpressionRule());
+	        }
+       		add(
+       			$current, 
+       			"args",
+        		lv_args_10_0, 
+        		"Expression");
+	        afterParserOrEnumRuleCall();
+	    }
+
+)
+))*	otherlv_11=')' 
+    {
+    	newLeafNode(otherlv_11, grammarAccess.getPrimaryExpressionAccess().getRightParenthesisKeyword_2_2_3());
+    }
+)?))
+;
+
+
+
+
+
+RULE_NUMBER : ('0'..'9')* ('.' ('0'..'9')+)?;
+
+RULE_INT : 'this one has been deactivated';
+
+RULE_ID : '^'? ('a'..'z'|'A'..'Z'|'_') ('a'..'z'|'A'..'Z'|'_'|'0'..'9')*;
+
+RULE_STRING : ('"' ('\\' ('b'|'t'|'n'|'f'|'r'|'u'|'"'|'\''|'\\')|~(('\\'|'"')))* '"'|'\'' ('\\' ('b'|'t'|'n'|'f'|'r'|'u'|'"'|'\''|'\\')|~(('\\'|'\'')))* '\'');
+
+RULE_ML_COMMENT : '/*' ( options {greedy=false;} : . )*'*/';
+
+RULE_SL_COMMENT : '//' ~(('\n'|'\r'))* ('\r'? '\n')?;
+
+RULE_WS : (' '|'\t'|'\r'|'\n')+;
+
+RULE_ANY_OTHER : .;
+
+
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.tokens b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.tokens
new file mode 100644
index 0000000..e79a448
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.tokens
@@ -0,0 +1,34 @@
+RULE_ID=4
+T__24=24
+T__23=23
+T__22=22
+RULE_ANY_OTHER=11
+T__21=21
+T__20=20
+RULE_SL_COMMENT=9
+RULE_ML_COMMENT=8
+T__19=19
+RULE_STRING=7
+T__16=16
+T__15=15
+T__18=18
+T__17=17
+T__12=12
+RULE_NUMBER=5
+T__14=14
+T__13=13
+RULE_INT=6
+RULE_WS=10
+'/'=24
+'def'=16
+'module'=12
+';'=21
+'('=17
+':'=20
+'*'=15
+'-'=23
+'+'=22
+','=18
+'.'=14
+')'=19
+'import'=13
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmeticsLexer.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmeticsLexer.java
new file mode 100644
index 0000000..489f248
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmeticsLexer.java
@@ -0,0 +1,1252 @@
+package org.eclipse.xtext.example.arithmetics.parser.antlr.internal;
+
+// Hack: Use our own Lexer superclass by means of import. 
+// Currently there is no other way to specify the superclass for the lexer.
+import org.eclipse.xtext.parser.antlr.Lexer;
+
+
+import org.antlr.runtime.*;
+import java.util.Stack;
+import java.util.List;
+import java.util.ArrayList;
+
+@SuppressWarnings("all")
+public class InternalArithmeticsLexer extends Lexer {
+    public static final int RULE_ID=4;
+    public static final int T__24=24;
+    public static final int T__23=23;
+    public static final int T__22=22;
+    public static final int RULE_ANY_OTHER=11;
+    public static final int T__21=21;
+    public static final int T__20=20;
+    public static final int EOF=-1;
+    public static final int RULE_SL_COMMENT=9;
+    public static final int RULE_ML_COMMENT=8;
+    public static final int T__19=19;
+    public static final int RULE_STRING=7;
+    public static final int T__16=16;
+    public static final int T__15=15;
+    public static final int T__18=18;
+    public static final int T__17=17;
+    public static final int RULE_NUMBER=5;
+    public static final int T__12=12;
+    public static final int T__14=14;
+    public static final int T__13=13;
+    public static final int RULE_INT=6;
+    public static final int RULE_WS=10;
+
+    // delegates
+    // delegators
+
+    public InternalArithmeticsLexer() {;} 
+    public InternalArithmeticsLexer(CharStream input) {
+        this(input, new RecognizerSharedState());
+    }
+    public InternalArithmeticsLexer(CharStream input, RecognizerSharedState state) {
+        super(input,state);
+
+    }
+    public String getGrammarFileName() { return "../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g"; }
+
+    // $ANTLR start "T__12"
+    public final void mT__12() throws RecognitionException {
+        try {
+            int _type = T__12;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:11:7: ( 'module' )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:11:9: 'module'
+            {
+            match("module"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__12"
+
+    // $ANTLR start "T__13"
+    public final void mT__13() throws RecognitionException {
+        try {
+            int _type = T__13;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:12:7: ( 'import' )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:12:9: 'import'
+            {
+            match("import"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__13"
+
+    // $ANTLR start "T__14"
+    public final void mT__14() throws RecognitionException {
+        try {
+            int _type = T__14;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:13:7: ( '.' )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:13:9: '.'
+            {
+            match('.'); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__14"
+
+    // $ANTLR start "T__15"
+    public final void mT__15() throws RecognitionException {
+        try {
+            int _type = T__15;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:14:7: ( '*' )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:14:9: '*'
+            {
+            match('*'); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__15"
+
+    // $ANTLR start "T__16"
+    public final void mT__16() throws RecognitionException {
+        try {
+            int _type = T__16;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:15:7: ( 'def' )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:15:9: 'def'
+            {
+            match("def"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__16"
+
+    // $ANTLR start "T__17"
+    public final void mT__17() throws RecognitionException {
+        try {
+            int _type = T__17;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:16:7: ( '(' )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:16:9: '('
+            {
+            match('('); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__17"
+
+    // $ANTLR start "T__18"
+    public final void mT__18() throws RecognitionException {
+        try {
+            int _type = T__18;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:17:7: ( ',' )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:17:9: ','
+            {
+            match(','); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__18"
+
+    // $ANTLR start "T__19"
+    public final void mT__19() throws RecognitionException {
+        try {
+            int _type = T__19;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:18:7: ( ')' )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:18:9: ')'
+            {
+            match(')'); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__19"
+
+    // $ANTLR start "T__20"
+    public final void mT__20() throws RecognitionException {
+        try {
+            int _type = T__20;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:19:7: ( ':' )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:19:9: ':'
+            {
+            match(':'); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__20"
+
+    // $ANTLR start "T__21"
+    public final void mT__21() throws RecognitionException {
+        try {
+            int _type = T__21;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:20:7: ( ';' )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:20:9: ';'
+            {
+            match(';'); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__21"
+
+    // $ANTLR start "T__22"
+    public final void mT__22() throws RecognitionException {
+        try {
+            int _type = T__22;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:21:7: ( '+' )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:21:9: '+'
+            {
+            match('+'); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__22"
+
+    // $ANTLR start "T__23"
+    public final void mT__23() throws RecognitionException {
+        try {
+            int _type = T__23;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:22:7: ( '-' )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:22:9: '-'
+            {
+            match('-'); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__23"
+
+    // $ANTLR start "T__24"
+    public final void mT__24() throws RecognitionException {
+        try {
+            int _type = T__24;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:23:7: ( '/' )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:23:9: '/'
+            {
+            match('/'); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__24"
+
+    // $ANTLR start "RULE_NUMBER"
+    public final void mRULE_NUMBER() throws RecognitionException {
+        try {
+            int _type = RULE_NUMBER;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:768:13: ( ( '0' .. '9' )* ( '.' ( '0' .. '9' )+ )? )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:768:15: ( '0' .. '9' )* ( '.' ( '0' .. '9' )+ )?
+            {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:768:15: ( '0' .. '9' )*
+            loop1:
+            do {
+                int alt1=2;
+                int LA1_0 = input.LA(1);
+
+                if ( ((LA1_0>='0' && LA1_0<='9')) ) {
+                    alt1=1;
+                }
+
+
+                switch (alt1) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:768:16: '0' .. '9'
+            	    {
+            	    matchRange('0','9'); 
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop1;
+                }
+            } while (true);
+
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:768:27: ( '.' ( '0' .. '9' )+ )?
+            int alt3=2;
+            int LA3_0 = input.LA(1);
+
+            if ( (LA3_0=='.') ) {
+                alt3=1;
+            }
+            switch (alt3) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:768:28: '.' ( '0' .. '9' )+
+                    {
+                    match('.'); 
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:768:32: ( '0' .. '9' )+
+                    int cnt2=0;
+                    loop2:
+                    do {
+                        int alt2=2;
+                        int LA2_0 = input.LA(1);
+
+                        if ( ((LA2_0>='0' && LA2_0<='9')) ) {
+                            alt2=1;
+                        }
+
+
+                        switch (alt2) {
+                    	case 1 :
+                    	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:768:33: '0' .. '9'
+                    	    {
+                    	    matchRange('0','9'); 
+
+                    	    }
+                    	    break;
+
+                    	default :
+                    	    if ( cnt2 >= 1 ) break loop2;
+                                EarlyExitException eee =
+                                    new EarlyExitException(2, input);
+                                throw eee;
+                        }
+                        cnt2++;
+                    } while (true);
+
+
+                    }
+                    break;
+
+            }
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_NUMBER"
+
+    // $ANTLR start "RULE_INT"
+    public final void mRULE_INT() throws RecognitionException {
+        try {
+            int _type = RULE_INT;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:770:10: ( 'this one has been deactivated' )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:770:12: 'this one has been deactivated'
+            {
+            match("this one has been deactivated"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_INT"
+
+    // $ANTLR start "RULE_ID"
+    public final void mRULE_ID() throws RecognitionException {
+        try {
+            int _type = RULE_ID;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:772:9: ( ( '^' )? ( 'a' .. 'z' | 'A' .. 'Z' | '_' ) ( 'a' .. 'z' | 'A' .. 'Z' | '_' | '0' .. '9' )* )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:772:11: ( '^' )? ( 'a' .. 'z' | 'A' .. 'Z' | '_' ) ( 'a' .. 'z' | 'A' .. 'Z' | '_' | '0' .. '9' )*
+            {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:772:11: ( '^' )?
+            int alt4=2;
+            int LA4_0 = input.LA(1);
+
+            if ( (LA4_0=='^') ) {
+                alt4=1;
+            }
+            switch (alt4) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:772:11: '^'
+                    {
+                    match('^'); 
+
+                    }
+                    break;
+
+            }
+
+            if ( (input.LA(1)>='A' && input.LA(1)<='Z')||input.LA(1)=='_'||(input.LA(1)>='a' && input.LA(1)<='z') ) {
+                input.consume();
+
+            }
+            else {
+                MismatchedSetException mse = new MismatchedSetException(null,input);
+                recover(mse);
+                throw mse;}
+
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:772:40: ( 'a' .. 'z' | 'A' .. 'Z' | '_' | '0' .. '9' )*
+            loop5:
+            do {
+                int alt5=2;
+                int LA5_0 = input.LA(1);
+
+                if ( ((LA5_0>='0' && LA5_0<='9')||(LA5_0>='A' && LA5_0<='Z')||LA5_0=='_'||(LA5_0>='a' && LA5_0<='z')) ) {
+                    alt5=1;
+                }
+
+
+                switch (alt5) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:
+            	    {
+            	    if ( (input.LA(1)>='0' && input.LA(1)<='9')||(input.LA(1)>='A' && input.LA(1)<='Z')||input.LA(1)=='_'||(input.LA(1)>='a' && input.LA(1)<='z') ) {
+            	        input.consume();
+
+            	    }
+            	    else {
+            	        MismatchedSetException mse = new MismatchedSetException(null,input);
+            	        recover(mse);
+            	        throw mse;}
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop5;
+                }
+            } while (true);
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_ID"
+
+    // $ANTLR start "RULE_STRING"
+    public final void mRULE_STRING() throws RecognitionException {
+        try {
+            int _type = RULE_STRING;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:774:13: ( ( '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"' | '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\'' ) )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:774:15: ( '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"' | '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\'' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:774:15: ( '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"' | '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\'' )
+            int alt8=2;
+            int LA8_0 = input.LA(1);
+
+            if ( (LA8_0=='\"') ) {
+                alt8=1;
+            }
+            else if ( (LA8_0=='\'') ) {
+                alt8=2;
+            }
+            else {
+                NoViableAltException nvae =
+                    new NoViableAltException("", 8, 0, input);
+
+                throw nvae;
+            }
+            switch (alt8) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:774:16: '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"'
+                    {
+                    match('\"'); 
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:774:20: ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )*
+                    loop6:
+                    do {
+                        int alt6=3;
+                        int LA6_0 = input.LA(1);
+
+                        if ( (LA6_0=='\\') ) {
+                            alt6=1;
+                        }
+                        else if ( ((LA6_0>='\u0000' && LA6_0<='!')||(LA6_0>='#' && LA6_0<='[')||(LA6_0>=']' && LA6_0<='\uFFFF')) ) {
+                            alt6=2;
+                        }
+
+
+                        switch (alt6) {
+                    	case 1 :
+                    	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:774:21: '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' )
+                    	    {
+                    	    match('\\'); 
+                    	    if ( input.LA(1)=='\"'||input.LA(1)=='\''||input.LA(1)=='\\'||input.LA(1)=='b'||input.LA(1)=='f'||input.LA(1)=='n'||input.LA(1)=='r'||(input.LA(1)>='t' && input.LA(1)<='u') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+                    	case 2 :
+                    	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:774:66: ~ ( ( '\\\\' | '\"' ) )
+                    	    {
+                    	    if ( (input.LA(1)>='\u0000' && input.LA(1)<='!')||(input.LA(1)>='#' && input.LA(1)<='[')||(input.LA(1)>=']' && input.LA(1)<='\uFFFF') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+
+                    	default :
+                    	    break loop6;
+                        }
+                    } while (true);
+
+                    match('\"'); 
+
+                    }
+                    break;
+                case 2 :
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:774:86: '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\''
+                    {
+                    match('\''); 
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:774:91: ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )*
+                    loop7:
+                    do {
+                        int alt7=3;
+                        int LA7_0 = input.LA(1);
+
+                        if ( (LA7_0=='\\') ) {
+                            alt7=1;
+                        }
+                        else if ( ((LA7_0>='\u0000' && LA7_0<='&')||(LA7_0>='(' && LA7_0<='[')||(LA7_0>=']' && LA7_0<='\uFFFF')) ) {
+                            alt7=2;
+                        }
+
+
+                        switch (alt7) {
+                    	case 1 :
+                    	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:774:92: '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' )
+                    	    {
+                    	    match('\\'); 
+                    	    if ( input.LA(1)=='\"'||input.LA(1)=='\''||input.LA(1)=='\\'||input.LA(1)=='b'||input.LA(1)=='f'||input.LA(1)=='n'||input.LA(1)=='r'||(input.LA(1)>='t' && input.LA(1)<='u') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+                    	case 2 :
+                    	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:774:137: ~ ( ( '\\\\' | '\\'' ) )
+                    	    {
+                    	    if ( (input.LA(1)>='\u0000' && input.LA(1)<='&')||(input.LA(1)>='(' && input.LA(1)<='[')||(input.LA(1)>=']' && input.LA(1)<='\uFFFF') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+
+                    	default :
+                    	    break loop7;
+                        }
+                    } while (true);
+
+                    match('\''); 
+
+                    }
+                    break;
+
+            }
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_STRING"
+
+    // $ANTLR start "RULE_ML_COMMENT"
+    public final void mRULE_ML_COMMENT() throws RecognitionException {
+        try {
+            int _type = RULE_ML_COMMENT;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:776:17: ( '/*' ( options {greedy=false; } : . )* '*/' )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:776:19: '/*' ( options {greedy=false; } : . )* '*/'
+            {
+            match("/*"); 
+
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:776:24: ( options {greedy=false; } : . )*
+            loop9:
+            do {
+                int alt9=2;
+                int LA9_0 = input.LA(1);
+
+                if ( (LA9_0=='*') ) {
+                    int LA9_1 = input.LA(2);
+
+                    if ( (LA9_1=='/') ) {
+                        alt9=2;
+                    }
+                    else if ( ((LA9_1>='\u0000' && LA9_1<='.')||(LA9_1>='0' && LA9_1<='\uFFFF')) ) {
+                        alt9=1;
+                    }
+
+
+                }
+                else if ( ((LA9_0>='\u0000' && LA9_0<=')')||(LA9_0>='+' && LA9_0<='\uFFFF')) ) {
+                    alt9=1;
+                }
+
+
+                switch (alt9) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:776:52: .
+            	    {
+            	    matchAny(); 
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop9;
+                }
+            } while (true);
+
+            match("*/"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_ML_COMMENT"
+
+    // $ANTLR start "RULE_SL_COMMENT"
+    public final void mRULE_SL_COMMENT() throws RecognitionException {
+        try {
+            int _type = RULE_SL_COMMENT;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:778:17: ( '//' (~ ( ( '\\n' | '\\r' ) ) )* ( ( '\\r' )? '\\n' )? )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:778:19: '//' (~ ( ( '\\n' | '\\r' ) ) )* ( ( '\\r' )? '\\n' )?
+            {
+            match("//"); 
+
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:778:24: (~ ( ( '\\n' | '\\r' ) ) )*
+            loop10:
+            do {
+                int alt10=2;
+                int LA10_0 = input.LA(1);
+
+                if ( ((LA10_0>='\u0000' && LA10_0<='\t')||(LA10_0>='\u000B' && LA10_0<='\f')||(LA10_0>='\u000E' && LA10_0<='\uFFFF')) ) {
+                    alt10=1;
+                }
+
+
+                switch (alt10) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:778:24: ~ ( ( '\\n' | '\\r' ) )
+            	    {
+            	    if ( (input.LA(1)>='\u0000' && input.LA(1)<='\t')||(input.LA(1)>='\u000B' && input.LA(1)<='\f')||(input.LA(1)>='\u000E' && input.LA(1)<='\uFFFF') ) {
+            	        input.consume();
+
+            	    }
+            	    else {
+            	        MismatchedSetException mse = new MismatchedSetException(null,input);
+            	        recover(mse);
+            	        throw mse;}
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop10;
+                }
+            } while (true);
+
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:778:40: ( ( '\\r' )? '\\n' )?
+            int alt12=2;
+            int LA12_0 = input.LA(1);
+
+            if ( (LA12_0=='\n'||LA12_0=='\r') ) {
+                alt12=1;
+            }
+            switch (alt12) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:778:41: ( '\\r' )? '\\n'
+                    {
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:778:41: ( '\\r' )?
+                    int alt11=2;
+                    int LA11_0 = input.LA(1);
+
+                    if ( (LA11_0=='\r') ) {
+                        alt11=1;
+                    }
+                    switch (alt11) {
+                        case 1 :
+                            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:778:41: '\\r'
+                            {
+                            match('\r'); 
+
+                            }
+                            break;
+
+                    }
+
+                    match('\n'); 
+
+                    }
+                    break;
+
+            }
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_SL_COMMENT"
+
+    // $ANTLR start "RULE_WS"
+    public final void mRULE_WS() throws RecognitionException {
+        try {
+            int _type = RULE_WS;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:780:9: ( ( ' ' | '\\t' | '\\r' | '\\n' )+ )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:780:11: ( ' ' | '\\t' | '\\r' | '\\n' )+
+            {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:780:11: ( ' ' | '\\t' | '\\r' | '\\n' )+
+            int cnt13=0;
+            loop13:
+            do {
+                int alt13=2;
+                int LA13_0 = input.LA(1);
+
+                if ( ((LA13_0>='\t' && LA13_0<='\n')||LA13_0=='\r'||LA13_0==' ') ) {
+                    alt13=1;
+                }
+
+
+                switch (alt13) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:
+            	    {
+            	    if ( (input.LA(1)>='\t' && input.LA(1)<='\n')||input.LA(1)=='\r'||input.LA(1)==' ' ) {
+            	        input.consume();
+
+            	    }
+            	    else {
+            	        MismatchedSetException mse = new MismatchedSetException(null,input);
+            	        recover(mse);
+            	        throw mse;}
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    if ( cnt13 >= 1 ) break loop13;
+                        EarlyExitException eee =
+                            new EarlyExitException(13, input);
+                        throw eee;
+                }
+                cnt13++;
+            } while (true);
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_WS"
+
+    // $ANTLR start "RULE_ANY_OTHER"
+    public final void mRULE_ANY_OTHER() throws RecognitionException {
+        try {
+            int _type = RULE_ANY_OTHER;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:782:16: ( . )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:782:18: .
+            {
+            matchAny(); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_ANY_OTHER"
+
+    public void mTokens() throws RecognitionException {
+        // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:1:8: ( T__12 | T__13 | T__14 | T__15 | T__16 | T__17 | T__18 | T__19 | T__20 | T__21 | T__22 | T__23 | T__24 | RULE_NUMBER | RULE_INT | RULE_ID | RULE_STRING | RULE_ML_COMMENT | RULE_SL_COMMENT | RULE_WS | RULE_ANY_OTHER )
+        int alt14=21;
+        alt14 = dfa14.predict(input);
+        switch (alt14) {
+            case 1 :
+                // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:1:10: T__12
+                {
+                mT__12(); 
+
+                }
+                break;
+            case 2 :
+                // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:1:16: T__13
+                {
+                mT__13(); 
+
+                }
+                break;
+            case 3 :
+                // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:1:22: T__14
+                {
+                mT__14(); 
+
+                }
+                break;
+            case 4 :
+                // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:1:28: T__15
+                {
+                mT__15(); 
+
+                }
+                break;
+            case 5 :
+                // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:1:34: T__16
+                {
+                mT__16(); 
+
+                }
+                break;
+            case 6 :
+                // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:1:40: T__17
+                {
+                mT__17(); 
+
+                }
+                break;
+            case 7 :
+                // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:1:46: T__18
+                {
+                mT__18(); 
+
+                }
+                break;
+            case 8 :
+                // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:1:52: T__19
+                {
+                mT__19(); 
+
+                }
+                break;
+            case 9 :
+                // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:1:58: T__20
+                {
+                mT__20(); 
+
+                }
+                break;
+            case 10 :
+                // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:1:64: T__21
+                {
+                mT__21(); 
+
+                }
+                break;
+            case 11 :
+                // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:1:70: T__22
+                {
+                mT__22(); 
+
+                }
+                break;
+            case 12 :
+                // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:1:76: T__23
+                {
+                mT__23(); 
+
+                }
+                break;
+            case 13 :
+                // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:1:82: T__24
+                {
+                mT__24(); 
+
+                }
+                break;
+            case 14 :
+                // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:1:88: RULE_NUMBER
+                {
+                mRULE_NUMBER(); 
+
+                }
+                break;
+            case 15 :
+                // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:1:100: RULE_INT
+                {
+                mRULE_INT(); 
+
+                }
+                break;
+            case 16 :
+                // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:1:109: RULE_ID
+                {
+                mRULE_ID(); 
+
+                }
+                break;
+            case 17 :
+                // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:1:117: RULE_STRING
+                {
+                mRULE_STRING(); 
+
+                }
+                break;
+            case 18 :
+                // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:1:129: RULE_ML_COMMENT
+                {
+                mRULE_ML_COMMENT(); 
+
+                }
+                break;
+            case 19 :
+                // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:1:145: RULE_SL_COMMENT
+                {
+                mRULE_SL_COMMENT(); 
+
+                }
+                break;
+            case 20 :
+                // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:1:161: RULE_WS
+                {
+                mRULE_WS(); 
+
+                }
+                break;
+            case 21 :
+                // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:1:169: RULE_ANY_OTHER
+                {
+                mRULE_ANY_OTHER(); 
+
+                }
+                break;
+
+        }
+
+    }
+
+
+    protected DFA14 dfa14 = new DFA14(this);
+    static final String DFA14_eotS =
+        "\1\17\2\30\1\32\1\uffff\1\30\7\uffff\1\46\2\uffff\1\30\1\26\1\uffff"+
+        "\2\26\2\uffff\1\30\1\uffff\1\30\2\uffff\1\30\12\uffff\1\30\2\uffff"+
+        "\2\30\1\60\3\30\1\uffff\3\30\1\uffff\1\67\1\70\2\uffff";
+    static final String DFA14_eofS =
+        "\71\uffff";
+    static final String DFA14_minS =
+        "\1\0\1\157\1\155\1\60\1\uffff\1\145\7\uffff\1\52\2\uffff\1\150\1"+
+        "\101\1\uffff\2\0\2\uffff\1\144\1\uffff\1\160\2\uffff\1\146\12\uffff"+
+        "\1\151\2\uffff\1\165\1\157\1\60\1\163\1\154\1\162\1\uffff\1\40\1"+
+        "\145\1\164\1\uffff\2\60\2\uffff";
+    static final String DFA14_maxS =
+        "\1\uffff\1\157\1\155\1\71\1\uffff\1\145\7\uffff\1\57\2\uffff\1\150"+
+        "\1\172\1\uffff\2\uffff\2\uffff\1\144\1\uffff\1\160\2\uffff\1\146"+
+        "\12\uffff\1\151\2\uffff\1\165\1\157\1\172\1\163\1\154\1\162\1\uffff"+
+        "\1\40\1\145\1\164\1\uffff\2\172\2\uffff";
+    static final String DFA14_acceptS =
+        "\4\uffff\1\4\1\uffff\1\6\1\7\1\10\1\11\1\12\1\13\1\14\1\uffff\2"+
+        "\16\2\uffff\1\20\2\uffff\1\24\1\25\1\uffff\1\20\1\uffff\1\3\1\4"+
+        "\1\uffff\1\6\1\7\1\10\1\11\1\12\1\13\1\14\1\22\1\23\1\15\1\uffff"+
+        "\1\21\1\24\6\uffff\1\5\3\uffff\1\17\2\uffff\1\1\1\2";
+    static final String DFA14_specialS =
+        "\1\0\22\uffff\1\1\1\2\44\uffff}>";
+    static final String[] DFA14_transitionS = {
+            "\11\26\2\25\2\26\1\25\22\26\1\25\1\26\1\23\4\26\1\24\1\6\1\10"+
+            "\1\4\1\13\1\7\1\14\1\3\1\15\12\16\1\11\1\12\5\26\32\22\3\26"+
+            "\1\21\1\22\1\26\3\22\1\5\4\22\1\2\3\22\1\1\6\22\1\20\6\22\uff85"+
+            "\26",
+            "\1\27",
+            "\1\31",
+            "\12\17",
+            "",
+            "\1\34",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "\1\44\4\uffff\1\45",
+            "",
+            "",
+            "\1\47",
+            "\32\30\4\uffff\1\30\1\uffff\32\30",
+            "",
+            "\0\50",
+            "\0\50",
+            "",
+            "",
+            "\1\52",
+            "",
+            "\1\53",
+            "",
+            "",
+            "\1\54",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "\1\55",
+            "",
+            "",
+            "\1\56",
+            "\1\57",
+            "\12\30\7\uffff\32\30\4\uffff\1\30\1\uffff\32\30",
+            "\1\61",
+            "\1\62",
+            "\1\63",
+            "",
+            "\1\64",
+            "\1\65",
+            "\1\66",
+            "",
+            "\12\30\7\uffff\32\30\4\uffff\1\30\1\uffff\32\30",
+            "\12\30\7\uffff\32\30\4\uffff\1\30\1\uffff\32\30",
+            "",
+            ""
+    };
+
+    static final short[] DFA14_eot = DFA.unpackEncodedString(DFA14_eotS);
+    static final short[] DFA14_eof = DFA.unpackEncodedString(DFA14_eofS);
+    static final char[] DFA14_min = DFA.unpackEncodedStringToUnsignedChars(DFA14_minS);
+    static final char[] DFA14_max = DFA.unpackEncodedStringToUnsignedChars(DFA14_maxS);
+    static final short[] DFA14_accept = DFA.unpackEncodedString(DFA14_acceptS);
+    static final short[] DFA14_special = DFA.unpackEncodedString(DFA14_specialS);
+    static final short[][] DFA14_transition;
+
+    static {
+        int numStates = DFA14_transitionS.length;
+        DFA14_transition = new short[numStates][];
+        for (int i=0; i<numStates; i++) {
+            DFA14_transition[i] = DFA.unpackEncodedString(DFA14_transitionS[i]);
+        }
+    }
+
+    class DFA14 extends DFA {
+
+        public DFA14(BaseRecognizer recognizer) {
+            this.recognizer = recognizer;
+            this.decisionNumber = 14;
+            this.eot = DFA14_eot;
+            this.eof = DFA14_eof;
+            this.min = DFA14_min;
+            this.max = DFA14_max;
+            this.accept = DFA14_accept;
+            this.special = DFA14_special;
+            this.transition = DFA14_transition;
+        }
+        public String getDescription() {
+            return "1:1: Tokens : ( T__12 | T__13 | T__14 | T__15 | T__16 | T__17 | T__18 | T__19 | T__20 | T__21 | T__22 | T__23 | T__24 | RULE_NUMBER | RULE_INT | RULE_ID | RULE_STRING | RULE_ML_COMMENT | RULE_SL_COMMENT | RULE_WS | RULE_ANY_OTHER );";
+        }
+        public int specialStateTransition(int s, IntStream _input) throws NoViableAltException {
+            IntStream input = _input;
+        	int _s = s;
+            switch ( s ) {
+                    case 0 : 
+                        int LA14_0 = input.LA(1);
+
+                        s = -1;
+                        if ( (LA14_0=='m') ) {s = 1;}
+
+                        else if ( (LA14_0=='i') ) {s = 2;}
+
+                        else if ( (LA14_0=='.') ) {s = 3;}
+
+                        else if ( (LA14_0=='*') ) {s = 4;}
+
+                        else if ( (LA14_0=='d') ) {s = 5;}
+
+                        else if ( (LA14_0=='(') ) {s = 6;}
+
+                        else if ( (LA14_0==',') ) {s = 7;}
+
+                        else if ( (LA14_0==')') ) {s = 8;}
+
+                        else if ( (LA14_0==':') ) {s = 9;}
+
+                        else if ( (LA14_0==';') ) {s = 10;}
+
+                        else if ( (LA14_0=='+') ) {s = 11;}
+
+                        else if ( (LA14_0=='-') ) {s = 12;}
+
+                        else if ( (LA14_0=='/') ) {s = 13;}
+
+                        else if ( ((LA14_0>='0' && LA14_0<='9')) ) {s = 14;}
+
+                        else if ( (LA14_0=='t') ) {s = 16;}
+
+                        else if ( (LA14_0=='^') ) {s = 17;}
+
+                        else if ( ((LA14_0>='A' && LA14_0<='Z')||LA14_0=='_'||(LA14_0>='a' && LA14_0<='c')||(LA14_0>='e' && LA14_0<='h')||(LA14_0>='j' && LA14_0<='l')||(LA14_0>='n' && LA14_0<='s')||(LA14_0>='u' && LA14_0<='z')) ) {s = 18;}
+
+                        else if ( (LA14_0=='\"') ) {s = 19;}
+
+                        else if ( (LA14_0=='\'') ) {s = 20;}
+
+                        else if ( ((LA14_0>='\t' && LA14_0<='\n')||LA14_0=='\r'||LA14_0==' ') ) {s = 21;}
+
+                        else if ( ((LA14_0>='\u0000' && LA14_0<='\b')||(LA14_0>='\u000B' && LA14_0<='\f')||(LA14_0>='\u000E' && LA14_0<='\u001F')||LA14_0=='!'||(LA14_0>='#' && LA14_0<='&')||(LA14_0>='<' && LA14_0<='@')||(LA14_0>='[' && LA14_0<=']')||LA14_0=='`'||(LA14_0>='{' && LA14_0<='\uFFFF')) ) {s = 22;}
+
+                        else s = 15;
+
+                        if ( s>=0 ) return s;
+                        break;
+                    case 1 : 
+                        int LA14_19 = input.LA(1);
+
+                        s = -1;
+                        if ( ((LA14_19>='\u0000' && LA14_19<='\uFFFF')) ) {s = 40;}
+
+                        else s = 22;
+
+                        if ( s>=0 ) return s;
+                        break;
+                    case 2 : 
+                        int LA14_20 = input.LA(1);
+
+                        s = -1;
+                        if ( ((LA14_20>='\u0000' && LA14_20<='\uFFFF')) ) {s = 40;}
+
+                        else s = 22;
+
+                        if ( s>=0 ) return s;
+                        break;
+            }
+            NoViableAltException nvae =
+                new NoViableAltException(getDescription(), 14, _s, input);
+            error(nvae);
+            throw nvae;
+        }
+    }
+ 
+
+}
\ No newline at end of file
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmeticsParser.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmeticsParser.java
new file mode 100644
index 0000000..1b483d8
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmeticsParser.java
@@ -0,0 +1,2034 @@
+package org.eclipse.xtext.example.arithmetics.parser.antlr.internal; 
+
+import org.eclipse.xtext.*;
+import org.eclipse.xtext.parser.*;
+import org.eclipse.xtext.parser.impl.*;
+import org.eclipse.emf.ecore.util.EcoreUtil;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.parser.antlr.AbstractInternalAntlrParser;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream.HiddenTokens;
+import org.eclipse.xtext.parser.antlr.AntlrDatatypeRuleToken;
+import org.eclipse.xtext.example.arithmetics.services.ArithmeticsGrammarAccess;
+
+
+
+import org.antlr.runtime.*;
+import java.util.Stack;
+import java.util.List;
+import java.util.ArrayList;
+
+@SuppressWarnings("all")
+public class InternalArithmeticsParser extends AbstractInternalAntlrParser {
+    public static final String[] tokenNames = new String[] {
+        "<invalid>", "<EOR>", "<DOWN>", "<UP>", "RULE_ID", "RULE_NUMBER", "RULE_INT", "RULE_STRING", "RULE_ML_COMMENT", "RULE_SL_COMMENT", "RULE_WS", "RULE_ANY_OTHER", "'module'", "'import'", "'.'", "'*'", "'def'", "'('", "','", "')'", "':'", "';'", "'+'", "'-'", "'/'"
+    };
+    public static final int RULE_ID=4;
+    public static final int T__24=24;
+    public static final int T__23=23;
+    public static final int T__22=22;
+    public static final int RULE_ANY_OTHER=11;
+    public static final int T__21=21;
+    public static final int T__20=20;
+    public static final int RULE_SL_COMMENT=9;
+    public static final int EOF=-1;
+    public static final int RULE_ML_COMMENT=8;
+    public static final int T__19=19;
+    public static final int RULE_STRING=7;
+    public static final int T__16=16;
+    public static final int T__15=15;
+    public static final int T__18=18;
+    public static final int T__17=17;
+    public static final int T__12=12;
+    public static final int RULE_NUMBER=5;
+    public static final int T__14=14;
+    public static final int T__13=13;
+    public static final int RULE_INT=6;
+    public static final int RULE_WS=10;
+
+    // delegates
+    // delegators
+
+
+        public InternalArithmeticsParser(TokenStream input) {
+            this(input, new RecognizerSharedState());
+        }
+        public InternalArithmeticsParser(TokenStream input, RecognizerSharedState state) {
+            super(input, state);
+             
+        }
+        
+
+    public String[] getTokenNames() { return InternalArithmeticsParser.tokenNames; }
+    public String getGrammarFileName() { return "../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g"; }
+
+
+
+     	private ArithmeticsGrammarAccess grammarAccess;
+     	
+        public InternalArithmeticsParser(TokenStream input, ArithmeticsGrammarAccess grammarAccess) {
+            this(input);
+            this.grammarAccess = grammarAccess;
+            registerRules(grammarAccess.getGrammar());
+        }
+        
+        @Override
+        protected String getFirstRuleName() {
+        	return "Module";	
+       	}
+       	
+       	@Override
+       	protected ArithmeticsGrammarAccess getGrammarAccess() {
+       		return grammarAccess;
+       	}
+
+
+
+    // $ANTLR start "entryRuleModule"
+    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:67:1: entryRuleModule returns [EObject current=null] : iv_ruleModule= ruleModule EOF ;
+    public final EObject entryRuleModule() throws RecognitionException {
+        EObject current = null;
+
+        EObject iv_ruleModule = null;
+
+
+        try {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:68:2: (iv_ruleModule= ruleModule EOF )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:69:2: iv_ruleModule= ruleModule EOF
+            {
+             newCompositeNode(grammarAccess.getModuleRule()); 
+            pushFollow(FOLLOW_ruleModule_in_entryRuleModule75);
+            iv_ruleModule=ruleModule();
+
+            state._fsp--;
+
+             current =iv_ruleModule; 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleModule85); 
+
+            }
+
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "entryRuleModule"
+
+
+    // $ANTLR start "ruleModule"
+    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:76:1: ruleModule returns [EObject current=null] : (otherlv_0= 'module' ( (lv_name_1_0= RULE_ID ) ) ( (lv_imports_2_0= ruleImport ) )* ( (lv_statements_3_0= ruleStatement ) )* ) ;
+    public final EObject ruleModule() throws RecognitionException {
+        EObject current = null;
+
+        Token otherlv_0=null;
+        Token lv_name_1_0=null;
+        EObject lv_imports_2_0 = null;
+
+        EObject lv_statements_3_0 = null;
+
+
+         enterRule(); 
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:79:28: ( (otherlv_0= 'module' ( (lv_name_1_0= RULE_ID ) ) ( (lv_imports_2_0= ruleImport ) )* ( (lv_statements_3_0= ruleStatement ) )* ) )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:80:1: (otherlv_0= 'module' ( (lv_name_1_0= RULE_ID ) ) ( (lv_imports_2_0= ruleImport ) )* ( (lv_statements_3_0= ruleStatement ) )* )
+            {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:80:1: (otherlv_0= 'module' ( (lv_name_1_0= RULE_ID ) ) ( (lv_imports_2_0= ruleImport ) )* ( (lv_statements_3_0= ruleStatement ) )* )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:80:3: otherlv_0= 'module' ( (lv_name_1_0= RULE_ID ) ) ( (lv_imports_2_0= ruleImport ) )* ( (lv_statements_3_0= ruleStatement ) )*
+            {
+            otherlv_0=(Token)match(input,12,FOLLOW_12_in_ruleModule122); 
+
+                	newLeafNode(otherlv_0, grammarAccess.getModuleAccess().getModuleKeyword_0());
+                
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:84:1: ( (lv_name_1_0= RULE_ID ) )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:85:1: (lv_name_1_0= RULE_ID )
+            {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:85:1: (lv_name_1_0= RULE_ID )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:86:3: lv_name_1_0= RULE_ID
+            {
+            lv_name_1_0=(Token)match(input,RULE_ID,FOLLOW_RULE_ID_in_ruleModule139); 
+
+            			newLeafNode(lv_name_1_0, grammarAccess.getModuleAccess().getNameIDTerminalRuleCall_1_0()); 
+            		
+
+            	        if (current==null) {
+            	            current = createModelElement(grammarAccess.getModuleRule());
+            	        }
+                   		setWithLastConsumed(
+                   			current, 
+                   			"name",
+                    		lv_name_1_0, 
+                    		"ID");
+            	    
+
+            }
+
+
+            }
+
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:102:2: ( (lv_imports_2_0= ruleImport ) )*
+            loop1:
+            do {
+                int alt1=2;
+                int LA1_0 = input.LA(1);
+
+                if ( (LA1_0==13) ) {
+                    alt1=1;
+                }
+
+
+                switch (alt1) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:103:1: (lv_imports_2_0= ruleImport )
+            	    {
+            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:103:1: (lv_imports_2_0= ruleImport )
+            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:104:3: lv_imports_2_0= ruleImport
+            	    {
+            	     
+            	    	        newCompositeNode(grammarAccess.getModuleAccess().getImportsImportParserRuleCall_2_0()); 
+            	    	    
+            	    pushFollow(FOLLOW_ruleImport_in_ruleModule165);
+            	    lv_imports_2_0=ruleImport();
+
+            	    state._fsp--;
+
+
+            	    	        if (current==null) {
+            	    	            current = createModelElementForParent(grammarAccess.getModuleRule());
+            	    	        }
+            	           		add(
+            	           			current, 
+            	           			"imports",
+            	            		lv_imports_2_0, 
+            	            		"Import");
+            	    	        afterParserOrEnumRuleCall();
+            	    	    
+
+            	    }
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop1;
+                }
+            } while (true);
+
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:120:3: ( (lv_statements_3_0= ruleStatement ) )*
+            loop2:
+            do {
+                int alt2=2;
+                int LA2_0 = input.LA(1);
+
+                if ( ((LA2_0>=RULE_ID && LA2_0<=RULE_NUMBER)||(LA2_0>=16 && LA2_0<=17)) ) {
+                    alt2=1;
+                }
+
+
+                switch (alt2) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:121:1: (lv_statements_3_0= ruleStatement )
+            	    {
+            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:121:1: (lv_statements_3_0= ruleStatement )
+            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:122:3: lv_statements_3_0= ruleStatement
+            	    {
+            	     
+            	    	        newCompositeNode(grammarAccess.getModuleAccess().getStatementsStatementParserRuleCall_3_0()); 
+            	    	    
+            	    pushFollow(FOLLOW_ruleStatement_in_ruleModule187);
+            	    lv_statements_3_0=ruleStatement();
+
+            	    state._fsp--;
+
+
+            	    	        if (current==null) {
+            	    	            current = createModelElementForParent(grammarAccess.getModuleRule());
+            	    	        }
+            	           		add(
+            	           			current, 
+            	           			"statements",
+            	            		lv_statements_3_0, 
+            	            		"Statement");
+            	    	        afterParserOrEnumRuleCall();
+            	    	    
+
+            	    }
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop2;
+                }
+            } while (true);
+
+
+            }
+
+
+            }
+
+             leaveRule(); 
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "ruleModule"
+
+
+    // $ANTLR start "entryRuleImport"
+    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:146:1: entryRuleImport returns [EObject current=null] : iv_ruleImport= ruleImport EOF ;
+    public final EObject entryRuleImport() throws RecognitionException {
+        EObject current = null;
+
+        EObject iv_ruleImport = null;
+
+
+        try {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:147:2: (iv_ruleImport= ruleImport EOF )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:148:2: iv_ruleImport= ruleImport EOF
+            {
+             newCompositeNode(grammarAccess.getImportRule()); 
+            pushFollow(FOLLOW_ruleImport_in_entryRuleImport224);
+            iv_ruleImport=ruleImport();
+
+            state._fsp--;
+
+             current =iv_ruleImport; 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleImport234); 
+
+            }
+
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "entryRuleImport"
+
+
+    // $ANTLR start "ruleImport"
+    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:155:1: ruleImport returns [EObject current=null] : (otherlv_0= 'import' ( (lv_importedNamespace_1_0= ruleImportName ) ) ) ;
+    public final EObject ruleImport() throws RecognitionException {
+        EObject current = null;
+
+        Token otherlv_0=null;
+        AntlrDatatypeRuleToken lv_importedNamespace_1_0 = null;
+
+
+         enterRule(); 
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:158:28: ( (otherlv_0= 'import' ( (lv_importedNamespace_1_0= ruleImportName ) ) ) )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:159:1: (otherlv_0= 'import' ( (lv_importedNamespace_1_0= ruleImportName ) ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:159:1: (otherlv_0= 'import' ( (lv_importedNamespace_1_0= ruleImportName ) ) )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:159:3: otherlv_0= 'import' ( (lv_importedNamespace_1_0= ruleImportName ) )
+            {
+            otherlv_0=(Token)match(input,13,FOLLOW_13_in_ruleImport271); 
+
+                	newLeafNode(otherlv_0, grammarAccess.getImportAccess().getImportKeyword_0());
+                
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:163:1: ( (lv_importedNamespace_1_0= ruleImportName ) )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:164:1: (lv_importedNamespace_1_0= ruleImportName )
+            {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:164:1: (lv_importedNamespace_1_0= ruleImportName )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:165:3: lv_importedNamespace_1_0= ruleImportName
+            {
+             
+            	        newCompositeNode(grammarAccess.getImportAccess().getImportedNamespaceImportNameParserRuleCall_1_0()); 
+            	    
+            pushFollow(FOLLOW_ruleImportName_in_ruleImport292);
+            lv_importedNamespace_1_0=ruleImportName();
+
+            state._fsp--;
+
+
+            	        if (current==null) {
+            	            current = createModelElementForParent(grammarAccess.getImportRule());
+            	        }
+                   		set(
+                   			current, 
+                   			"importedNamespace",
+                    		lv_importedNamespace_1_0, 
+                    		"ImportName");
+            	        afterParserOrEnumRuleCall();
+            	    
+
+            }
+
+
+            }
+
+
+            }
+
+
+            }
+
+             leaveRule(); 
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "ruleImport"
+
+
+    // $ANTLR start "entryRuleImportName"
+    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:189:1: entryRuleImportName returns [String current=null] : iv_ruleImportName= ruleImportName EOF ;
+    public final String entryRuleImportName() throws RecognitionException {
+        String current = null;
+
+        AntlrDatatypeRuleToken iv_ruleImportName = null;
+
+
+        try {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:190:2: (iv_ruleImportName= ruleImportName EOF )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:191:2: iv_ruleImportName= ruleImportName EOF
+            {
+             newCompositeNode(grammarAccess.getImportNameRule()); 
+            pushFollow(FOLLOW_ruleImportName_in_entryRuleImportName329);
+            iv_ruleImportName=ruleImportName();
+
+            state._fsp--;
+
+             current =iv_ruleImportName.getText(); 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleImportName340); 
+
+            }
+
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "entryRuleImportName"
+
+
+    // $ANTLR start "ruleImportName"
+    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:198:1: ruleImportName returns [AntlrDatatypeRuleToken current=new AntlrDatatypeRuleToken()] : (this_ID_0= RULE_ID (kw= '.' kw= '*' )? ) ;
+    public final AntlrDatatypeRuleToken ruleImportName() throws RecognitionException {
+        AntlrDatatypeRuleToken current = new AntlrDatatypeRuleToken();
+
+        Token this_ID_0=null;
+        Token kw=null;
+
+         enterRule(); 
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:201:28: ( (this_ID_0= RULE_ID (kw= '.' kw= '*' )? ) )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:202:1: (this_ID_0= RULE_ID (kw= '.' kw= '*' )? )
+            {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:202:1: (this_ID_0= RULE_ID (kw= '.' kw= '*' )? )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:202:6: this_ID_0= RULE_ID (kw= '.' kw= '*' )?
+            {
+            this_ID_0=(Token)match(input,RULE_ID,FOLLOW_RULE_ID_in_ruleImportName380); 
+
+            		current.merge(this_ID_0);
+                
+             
+                newLeafNode(this_ID_0, grammarAccess.getImportNameAccess().getIDTerminalRuleCall_0()); 
+                
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:209:1: (kw= '.' kw= '*' )?
+            int alt3=2;
+            int LA3_0 = input.LA(1);
+
+            if ( (LA3_0==14) ) {
+                alt3=1;
+            }
+            switch (alt3) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:210:2: kw= '.' kw= '*'
+                    {
+                    kw=(Token)match(input,14,FOLLOW_14_in_ruleImportName399); 
+
+                            current.merge(kw);
+                            newLeafNode(kw, grammarAccess.getImportNameAccess().getFullStopKeyword_1_0()); 
+                        
+                    kw=(Token)match(input,15,FOLLOW_15_in_ruleImportName412); 
+
+                            current.merge(kw);
+                            newLeafNode(kw, grammarAccess.getImportNameAccess().getAsteriskKeyword_1_1()); 
+                        
+
+                    }
+                    break;
+
+            }
+
+
+            }
+
+
+            }
+
+             leaveRule(); 
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "ruleImportName"
+
+
+    // $ANTLR start "entryRuleStatement"
+    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:229:1: entryRuleStatement returns [EObject current=null] : iv_ruleStatement= ruleStatement EOF ;
+    public final EObject entryRuleStatement() throws RecognitionException {
+        EObject current = null;
+
+        EObject iv_ruleStatement = null;
+
+
+        try {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:230:2: (iv_ruleStatement= ruleStatement EOF )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:231:2: iv_ruleStatement= ruleStatement EOF
+            {
+             newCompositeNode(grammarAccess.getStatementRule()); 
+            pushFollow(FOLLOW_ruleStatement_in_entryRuleStatement454);
+            iv_ruleStatement=ruleStatement();
+
+            state._fsp--;
+
+             current =iv_ruleStatement; 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleStatement464); 
+
+            }
+
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "entryRuleStatement"
+
+
+    // $ANTLR start "ruleStatement"
+    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:238:1: ruleStatement returns [EObject current=null] : (this_Definition_0= ruleDefinition | this_Evaluation_1= ruleEvaluation ) ;
+    public final EObject ruleStatement() throws RecognitionException {
+        EObject current = null;
+
+        EObject this_Definition_0 = null;
+
+        EObject this_Evaluation_1 = null;
+
+
+         enterRule(); 
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:241:28: ( (this_Definition_0= ruleDefinition | this_Evaluation_1= ruleEvaluation ) )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:242:1: (this_Definition_0= ruleDefinition | this_Evaluation_1= ruleEvaluation )
+            {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:242:1: (this_Definition_0= ruleDefinition | this_Evaluation_1= ruleEvaluation )
+            int alt4=2;
+            int LA4_0 = input.LA(1);
+
+            if ( (LA4_0==16) ) {
+                alt4=1;
+            }
+            else if ( ((LA4_0>=RULE_ID && LA4_0<=RULE_NUMBER)||LA4_0==17) ) {
+                alt4=2;
+            }
+            else {
+                NoViableAltException nvae =
+                    new NoViableAltException("", 4, 0, input);
+
+                throw nvae;
+            }
+            switch (alt4) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:243:5: this_Definition_0= ruleDefinition
+                    {
+                     
+                            newCompositeNode(grammarAccess.getStatementAccess().getDefinitionParserRuleCall_0()); 
+                        
+                    pushFollow(FOLLOW_ruleDefinition_in_ruleStatement511);
+                    this_Definition_0=ruleDefinition();
+
+                    state._fsp--;
+
+                     
+                            current = this_Definition_0; 
+                            afterParserOrEnumRuleCall();
+                        
+
+                    }
+                    break;
+                case 2 :
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:253:5: this_Evaluation_1= ruleEvaluation
+                    {
+                     
+                            newCompositeNode(grammarAccess.getStatementAccess().getEvaluationParserRuleCall_1()); 
+                        
+                    pushFollow(FOLLOW_ruleEvaluation_in_ruleStatement538);
+                    this_Evaluation_1=ruleEvaluation();
+
+                    state._fsp--;
+
+                     
+                            current = this_Evaluation_1; 
+                            afterParserOrEnumRuleCall();
+                        
+
+                    }
+                    break;
+
+            }
+
+
+            }
+
+             leaveRule(); 
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "ruleStatement"
+
+
+    // $ANTLR start "entryRuleDefinition"
+    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:269:1: entryRuleDefinition returns [EObject current=null] : iv_ruleDefinition= ruleDefinition EOF ;
+    public final EObject entryRuleDefinition() throws RecognitionException {
+        EObject current = null;
+
+        EObject iv_ruleDefinition = null;
+
+
+        try {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:270:2: (iv_ruleDefinition= ruleDefinition EOF )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:271:2: iv_ruleDefinition= ruleDefinition EOF
+            {
+             newCompositeNode(grammarAccess.getDefinitionRule()); 
+            pushFollow(FOLLOW_ruleDefinition_in_entryRuleDefinition573);
+            iv_ruleDefinition=ruleDefinition();
+
+            state._fsp--;
+
+             current =iv_ruleDefinition; 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleDefinition583); 
+
+            }
+
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "entryRuleDefinition"
+
+
+    // $ANTLR start "ruleDefinition"
+    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:278:1: ruleDefinition returns [EObject current=null] : (otherlv_0= 'def' ( (lv_name_1_0= RULE_ID ) ) (otherlv_2= '(' ( (lv_args_3_0= ruleDeclaredParameter ) ) (otherlv_4= ',' ( (lv_args_5_0= ruleDeclaredParameter ) ) )* otherlv_6= ')' )? otherlv_7= ':' ( (lv_expr_8_0= ruleExpression ) ) otherlv_9= ';' ) ;
+    public final EObject ruleDefinition() throws RecognitionException {
+        EObject current = null;
+
+        Token otherlv_0=null;
+        Token lv_name_1_0=null;
+        Token otherlv_2=null;
+        Token otherlv_4=null;
+        Token otherlv_6=null;
+        Token otherlv_7=null;
+        Token otherlv_9=null;
+        EObject lv_args_3_0 = null;
+
+        EObject lv_args_5_0 = null;
+
+        EObject lv_expr_8_0 = null;
+
+
+         enterRule(); 
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:281:28: ( (otherlv_0= 'def' ( (lv_name_1_0= RULE_ID ) ) (otherlv_2= '(' ( (lv_args_3_0= ruleDeclaredParameter ) ) (otherlv_4= ',' ( (lv_args_5_0= ruleDeclaredParameter ) ) )* otherlv_6= ')' )? otherlv_7= ':' ( (lv_expr_8_0= ruleExpression ) ) otherlv_9= ';' ) )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:282:1: (otherlv_0= 'def' ( (lv_name_1_0= RULE_ID ) ) (otherlv_2= '(' ( (lv_args_3_0= ruleDeclaredParameter ) ) (otherlv_4= ',' ( (lv_args_5_0= ruleDeclaredParameter ) ) )* otherlv_6= ')' )? otherlv_7= ':' ( (lv_expr_8_0= ruleExpression ) ) otherlv_9= ';' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:282:1: (otherlv_0= 'def' ( (lv_name_1_0= RULE_ID ) ) (otherlv_2= '(' ( (lv_args_3_0= ruleDeclaredParameter ) ) (otherlv_4= ',' ( (lv_args_5_0= ruleDeclaredParameter ) ) )* otherlv_6= ')' )? otherlv_7= ':' ( (lv_expr_8_0= ruleExpression ) ) otherlv_9= ';' )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:282:3: otherlv_0= 'def' ( (lv_name_1_0= RULE_ID ) ) (otherlv_2= '(' ( (lv_args_3_0= ruleDeclaredParameter ) ) (otherlv_4= ',' ( (lv_args_5_0= ruleDeclaredParameter ) ) )* otherlv_6= ')' )? otherlv_7= ':' ( (lv_expr_8_0= ruleExpression ) ) otherlv_9= ';'
+            {
+            otherlv_0=(Token)match(input,16,FOLLOW_16_in_ruleDefinition620); 
+
+                	newLeafNode(otherlv_0, grammarAccess.getDefinitionAccess().getDefKeyword_0());
+                
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:286:1: ( (lv_name_1_0= RULE_ID ) )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:287:1: (lv_name_1_0= RULE_ID )
+            {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:287:1: (lv_name_1_0= RULE_ID )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:288:3: lv_name_1_0= RULE_ID
+            {
+            lv_name_1_0=(Token)match(input,RULE_ID,FOLLOW_RULE_ID_in_ruleDefinition637); 
+
+            			newLeafNode(lv_name_1_0, grammarAccess.getDefinitionAccess().getNameIDTerminalRuleCall_1_0()); 
+            		
+
+            	        if (current==null) {
+            	            current = createModelElement(grammarAccess.getDefinitionRule());
+            	        }
+                   		setWithLastConsumed(
+                   			current, 
+                   			"name",
+                    		lv_name_1_0, 
+                    		"ID");
+            	    
+
+            }
+
+
+            }
+
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:304:2: (otherlv_2= '(' ( (lv_args_3_0= ruleDeclaredParameter ) ) (otherlv_4= ',' ( (lv_args_5_0= ruleDeclaredParameter ) ) )* otherlv_6= ')' )?
+            int alt6=2;
+            int LA6_0 = input.LA(1);
+
+            if ( (LA6_0==17) ) {
+                alt6=1;
+            }
+            switch (alt6) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:304:4: otherlv_2= '(' ( (lv_args_3_0= ruleDeclaredParameter ) ) (otherlv_4= ',' ( (lv_args_5_0= ruleDeclaredParameter ) ) )* otherlv_6= ')'
+                    {
+                    otherlv_2=(Token)match(input,17,FOLLOW_17_in_ruleDefinition655); 
+
+                        	newLeafNode(otherlv_2, grammarAccess.getDefinitionAccess().getLeftParenthesisKeyword_2_0());
+                        
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:308:1: ( (lv_args_3_0= ruleDeclaredParameter ) )
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:309:1: (lv_args_3_0= ruleDeclaredParameter )
+                    {
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:309:1: (lv_args_3_0= ruleDeclaredParameter )
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:310:3: lv_args_3_0= ruleDeclaredParameter
+                    {
+                     
+                    	        newCompositeNode(grammarAccess.getDefinitionAccess().getArgsDeclaredParameterParserRuleCall_2_1_0()); 
+                    	    
+                    pushFollow(FOLLOW_ruleDeclaredParameter_in_ruleDefinition676);
+                    lv_args_3_0=ruleDeclaredParameter();
+
+                    state._fsp--;
+
+
+                    	        if (current==null) {
+                    	            current = createModelElementForParent(grammarAccess.getDefinitionRule());
+                    	        }
+                           		add(
+                           			current, 
+                           			"args",
+                            		lv_args_3_0, 
+                            		"DeclaredParameter");
+                    	        afterParserOrEnumRuleCall();
+                    	    
+
+                    }
+
+
+                    }
+
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:326:2: (otherlv_4= ',' ( (lv_args_5_0= ruleDeclaredParameter ) ) )*
+                    loop5:
+                    do {
+                        int alt5=2;
+                        int LA5_0 = input.LA(1);
+
+                        if ( (LA5_0==18) ) {
+                            alt5=1;
+                        }
+
+
+                        switch (alt5) {
+                    	case 1 :
+                    	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:326:4: otherlv_4= ',' ( (lv_args_5_0= ruleDeclaredParameter ) )
+                    	    {
+                    	    otherlv_4=(Token)match(input,18,FOLLOW_18_in_ruleDefinition689); 
+
+                    	        	newLeafNode(otherlv_4, grammarAccess.getDefinitionAccess().getCommaKeyword_2_2_0());
+                    	        
+                    	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:330:1: ( (lv_args_5_0= ruleDeclaredParameter ) )
+                    	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:331:1: (lv_args_5_0= ruleDeclaredParameter )
+                    	    {
+                    	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:331:1: (lv_args_5_0= ruleDeclaredParameter )
+                    	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:332:3: lv_args_5_0= ruleDeclaredParameter
+                    	    {
+                    	     
+                    	    	        newCompositeNode(grammarAccess.getDefinitionAccess().getArgsDeclaredParameterParserRuleCall_2_2_1_0()); 
+                    	    	    
+                    	    pushFollow(FOLLOW_ruleDeclaredParameter_in_ruleDefinition710);
+                    	    lv_args_5_0=ruleDeclaredParameter();
+
+                    	    state._fsp--;
+
+
+                    	    	        if (current==null) {
+                    	    	            current = createModelElementForParent(grammarAccess.getDefinitionRule());
+                    	    	        }
+                    	           		add(
+                    	           			current, 
+                    	           			"args",
+                    	            		lv_args_5_0, 
+                    	            		"DeclaredParameter");
+                    	    	        afterParserOrEnumRuleCall();
+                    	    	    
+
+                    	    }
+
+
+                    	    }
+
+
+                    	    }
+                    	    break;
+
+                    	default :
+                    	    break loop5;
+                        }
+                    } while (true);
+
+                    otherlv_6=(Token)match(input,19,FOLLOW_19_in_ruleDefinition724); 
+
+                        	newLeafNode(otherlv_6, grammarAccess.getDefinitionAccess().getRightParenthesisKeyword_2_3());
+                        
+
+                    }
+                    break;
+
+            }
+
+            otherlv_7=(Token)match(input,20,FOLLOW_20_in_ruleDefinition738); 
+
+                	newLeafNode(otherlv_7, grammarAccess.getDefinitionAccess().getColonKeyword_3());
+                
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:356:1: ( (lv_expr_8_0= ruleExpression ) )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:357:1: (lv_expr_8_0= ruleExpression )
+            {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:357:1: (lv_expr_8_0= ruleExpression )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:358:3: lv_expr_8_0= ruleExpression
+            {
+             
+            	        newCompositeNode(grammarAccess.getDefinitionAccess().getExprExpressionParserRuleCall_4_0()); 
+            	    
+            pushFollow(FOLLOW_ruleExpression_in_ruleDefinition759);
+            lv_expr_8_0=ruleExpression();
+
+            state._fsp--;
+
+
+            	        if (current==null) {
+            	            current = createModelElementForParent(grammarAccess.getDefinitionRule());
+            	        }
+                   		set(
+                   			current, 
+                   			"expr",
+                    		lv_expr_8_0, 
+                    		"Expression");
+            	        afterParserOrEnumRuleCall();
+            	    
+
+            }
+
+
+            }
+
+            otherlv_9=(Token)match(input,21,FOLLOW_21_in_ruleDefinition771); 
+
+                	newLeafNode(otherlv_9, grammarAccess.getDefinitionAccess().getSemicolonKeyword_5());
+                
+
+            }
+
+
+            }
+
+             leaveRule(); 
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "ruleDefinition"
+
+
+    // $ANTLR start "entryRuleDeclaredParameter"
+    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:386:1: entryRuleDeclaredParameter returns [EObject current=null] : iv_ruleDeclaredParameter= ruleDeclaredParameter EOF ;
+    public final EObject entryRuleDeclaredParameter() throws RecognitionException {
+        EObject current = null;
+
+        EObject iv_ruleDeclaredParameter = null;
+
+
+        try {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:387:2: (iv_ruleDeclaredParameter= ruleDeclaredParameter EOF )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:388:2: iv_ruleDeclaredParameter= ruleDeclaredParameter EOF
+            {
+             newCompositeNode(grammarAccess.getDeclaredParameterRule()); 
+            pushFollow(FOLLOW_ruleDeclaredParameter_in_entryRuleDeclaredParameter807);
+            iv_ruleDeclaredParameter=ruleDeclaredParameter();
+
+            state._fsp--;
+
+             current =iv_ruleDeclaredParameter; 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleDeclaredParameter817); 
+
+            }
+
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "entryRuleDeclaredParameter"
+
+
+    // $ANTLR start "ruleDeclaredParameter"
+    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:395:1: ruleDeclaredParameter returns [EObject current=null] : ( (lv_name_0_0= RULE_ID ) ) ;
+    public final EObject ruleDeclaredParameter() throws RecognitionException {
+        EObject current = null;
+
+        Token lv_name_0_0=null;
+
+         enterRule(); 
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:398:28: ( ( (lv_name_0_0= RULE_ID ) ) )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:399:1: ( (lv_name_0_0= RULE_ID ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:399:1: ( (lv_name_0_0= RULE_ID ) )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:400:1: (lv_name_0_0= RULE_ID )
+            {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:400:1: (lv_name_0_0= RULE_ID )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:401:3: lv_name_0_0= RULE_ID
+            {
+            lv_name_0_0=(Token)match(input,RULE_ID,FOLLOW_RULE_ID_in_ruleDeclaredParameter858); 
+
+            			newLeafNode(lv_name_0_0, grammarAccess.getDeclaredParameterAccess().getNameIDTerminalRuleCall_0()); 
+            		
+
+            	        if (current==null) {
+            	            current = createModelElement(grammarAccess.getDeclaredParameterRule());
+            	        }
+                   		setWithLastConsumed(
+                   			current, 
+                   			"name",
+                    		lv_name_0_0, 
+                    		"ID");
+            	    
+
+            }
+
+
+            }
+
+
+            }
+
+             leaveRule(); 
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "ruleDeclaredParameter"
+
+
+    // $ANTLR start "entryRuleEvaluation"
+    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:427:1: entryRuleEvaluation returns [EObject current=null] : iv_ruleEvaluation= ruleEvaluation EOF ;
+    public final EObject entryRuleEvaluation() throws RecognitionException {
+        EObject current = null;
+
+        EObject iv_ruleEvaluation = null;
+
+
+        try {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:428:2: (iv_ruleEvaluation= ruleEvaluation EOF )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:429:2: iv_ruleEvaluation= ruleEvaluation EOF
+            {
+             newCompositeNode(grammarAccess.getEvaluationRule()); 
+            pushFollow(FOLLOW_ruleEvaluation_in_entryRuleEvaluation900);
+            iv_ruleEvaluation=ruleEvaluation();
+
+            state._fsp--;
+
+             current =iv_ruleEvaluation; 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleEvaluation910); 
+
+            }
+
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "entryRuleEvaluation"
+
+
+    // $ANTLR start "ruleEvaluation"
+    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:436:1: ruleEvaluation returns [EObject current=null] : ( ( (lv_expression_0_0= ruleExpression ) ) otherlv_1= ';' ) ;
+    public final EObject ruleEvaluation() throws RecognitionException {
+        EObject current = null;
+
+        Token otherlv_1=null;
+        EObject lv_expression_0_0 = null;
+
+
+         enterRule(); 
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:439:28: ( ( ( (lv_expression_0_0= ruleExpression ) ) otherlv_1= ';' ) )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:440:1: ( ( (lv_expression_0_0= ruleExpression ) ) otherlv_1= ';' )
+            {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:440:1: ( ( (lv_expression_0_0= ruleExpression ) ) otherlv_1= ';' )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:440:2: ( (lv_expression_0_0= ruleExpression ) ) otherlv_1= ';'
+            {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:440:2: ( (lv_expression_0_0= ruleExpression ) )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:441:1: (lv_expression_0_0= ruleExpression )
+            {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:441:1: (lv_expression_0_0= ruleExpression )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:442:3: lv_expression_0_0= ruleExpression
+            {
+             
+            	        newCompositeNode(grammarAccess.getEvaluationAccess().getExpressionExpressionParserRuleCall_0_0()); 
+            	    
+            pushFollow(FOLLOW_ruleExpression_in_ruleEvaluation956);
+            lv_expression_0_0=ruleExpression();
+
+            state._fsp--;
+
+
+            	        if (current==null) {
+            	            current = createModelElementForParent(grammarAccess.getEvaluationRule());
+            	        }
+                   		set(
+                   			current, 
+                   			"expression",
+                    		lv_expression_0_0, 
+                    		"Expression");
+            	        afterParserOrEnumRuleCall();
+            	    
+
+            }
+
+
+            }
+
+            otherlv_1=(Token)match(input,21,FOLLOW_21_in_ruleEvaluation968); 
+
+                	newLeafNode(otherlv_1, grammarAccess.getEvaluationAccess().getSemicolonKeyword_1());
+                
+
+            }
+
+
+            }
+
+             leaveRule(); 
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "ruleEvaluation"
+
+
+    // $ANTLR start "entryRuleExpression"
+    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:470:1: entryRuleExpression returns [EObject current=null] : iv_ruleExpression= ruleExpression EOF ;
+    public final EObject entryRuleExpression() throws RecognitionException {
+        EObject current = null;
+
+        EObject iv_ruleExpression = null;
+
+
+        try {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:471:2: (iv_ruleExpression= ruleExpression EOF )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:472:2: iv_ruleExpression= ruleExpression EOF
+            {
+             newCompositeNode(grammarAccess.getExpressionRule()); 
+            pushFollow(FOLLOW_ruleExpression_in_entryRuleExpression1004);
+            iv_ruleExpression=ruleExpression();
+
+            state._fsp--;
+
+             current =iv_ruleExpression; 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleExpression1014); 
+
+            }
+
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "entryRuleExpression"
+
+
+    // $ANTLR start "ruleExpression"
+    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:479:1: ruleExpression returns [EObject current=null] : this_Addition_0= ruleAddition ;
+    public final EObject ruleExpression() throws RecognitionException {
+        EObject current = null;
+
+        EObject this_Addition_0 = null;
+
+
+         enterRule(); 
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:482:28: (this_Addition_0= ruleAddition )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:484:5: this_Addition_0= ruleAddition
+            {
+             
+                    newCompositeNode(grammarAccess.getExpressionAccess().getAdditionParserRuleCall()); 
+                
+            pushFollow(FOLLOW_ruleAddition_in_ruleExpression1060);
+            this_Addition_0=ruleAddition();
+
+            state._fsp--;
+
+             
+                    current = this_Addition_0; 
+                    afterParserOrEnumRuleCall();
+                
+
+            }
+
+             leaveRule(); 
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "ruleExpression"
+
+
+    // $ANTLR start "entryRuleAddition"
+    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:500:1: entryRuleAddition returns [EObject current=null] : iv_ruleAddition= ruleAddition EOF ;
+    public final EObject entryRuleAddition() throws RecognitionException {
+        EObject current = null;
+
+        EObject iv_ruleAddition = null;
+
+
+        try {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:501:2: (iv_ruleAddition= ruleAddition EOF )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:502:2: iv_ruleAddition= ruleAddition EOF
+            {
+             newCompositeNode(grammarAccess.getAdditionRule()); 
+            pushFollow(FOLLOW_ruleAddition_in_entryRuleAddition1094);
+            iv_ruleAddition=ruleAddition();
+
+            state._fsp--;
+
+             current =iv_ruleAddition; 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleAddition1104); 
+
+            }
+
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "entryRuleAddition"
+
+
+    // $ANTLR start "ruleAddition"
+    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:509:1: ruleAddition returns [EObject current=null] : (this_Multiplication_0= ruleMultiplication ( ( ( () otherlv_2= '+' ) | ( () otherlv_4= '-' ) ) ( (lv_right_5_0= ruleMultiplication ) ) )* ) ;
+    public final EObject ruleAddition() throws RecognitionException {
+        EObject current = null;
+
+        Token otherlv_2=null;
+        Token otherlv_4=null;
+        EObject this_Multiplication_0 = null;
+
+        EObject lv_right_5_0 = null;
+
+
+         enterRule(); 
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:512:28: ( (this_Multiplication_0= ruleMultiplication ( ( ( () otherlv_2= '+' ) | ( () otherlv_4= '-' ) ) ( (lv_right_5_0= ruleMultiplication ) ) )* ) )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:513:1: (this_Multiplication_0= ruleMultiplication ( ( ( () otherlv_2= '+' ) | ( () otherlv_4= '-' ) ) ( (lv_right_5_0= ruleMultiplication ) ) )* )
+            {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:513:1: (this_Multiplication_0= ruleMultiplication ( ( ( () otherlv_2= '+' ) | ( () otherlv_4= '-' ) ) ( (lv_right_5_0= ruleMultiplication ) ) )* )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:514:5: this_Multiplication_0= ruleMultiplication ( ( ( () otherlv_2= '+' ) | ( () otherlv_4= '-' ) ) ( (lv_right_5_0= ruleMultiplication ) ) )*
+            {
+             
+                    newCompositeNode(grammarAccess.getAdditionAccess().getMultiplicationParserRuleCall_0()); 
+                
+            pushFollow(FOLLOW_ruleMultiplication_in_ruleAddition1151);
+            this_Multiplication_0=ruleMultiplication();
+
+            state._fsp--;
+
+             
+                    current = this_Multiplication_0; 
+                    afterParserOrEnumRuleCall();
+                
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:522:1: ( ( ( () otherlv_2= '+' ) | ( () otherlv_4= '-' ) ) ( (lv_right_5_0= ruleMultiplication ) ) )*
+            loop8:
+            do {
+                int alt8=2;
+                int LA8_0 = input.LA(1);
+
+                if ( ((LA8_0>=22 && LA8_0<=23)) ) {
+                    alt8=1;
+                }
+
+
+                switch (alt8) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:522:2: ( ( () otherlv_2= '+' ) | ( () otherlv_4= '-' ) ) ( (lv_right_5_0= ruleMultiplication ) )
+            	    {
+            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:522:2: ( ( () otherlv_2= '+' ) | ( () otherlv_4= '-' ) )
+            	    int alt7=2;
+            	    int LA7_0 = input.LA(1);
+
+            	    if ( (LA7_0==22) ) {
+            	        alt7=1;
+            	    }
+            	    else if ( (LA7_0==23) ) {
+            	        alt7=2;
+            	    }
+            	    else {
+            	        NoViableAltException nvae =
+            	            new NoViableAltException("", 7, 0, input);
+
+            	        throw nvae;
+            	    }
+            	    switch (alt7) {
+            	        case 1 :
+            	            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:522:3: ( () otherlv_2= '+' )
+            	            {
+            	            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:522:3: ( () otherlv_2= '+' )
+            	            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:522:4: () otherlv_2= '+'
+            	            {
+            	            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:522:4: ()
+            	            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:523:5: 
+            	            {
+
+            	                    current = forceCreateModelElementAndSet(
+            	                        grammarAccess.getAdditionAccess().getPlusLeftAction_1_0_0_0(),
+            	                        current);
+            	                
+
+            	            }
+
+            	            otherlv_2=(Token)match(input,22,FOLLOW_22_in_ruleAddition1174); 
+
+            	                	newLeafNode(otherlv_2, grammarAccess.getAdditionAccess().getPlusSignKeyword_1_0_0_1());
+            	                
+
+            	            }
+
+
+            	            }
+            	            break;
+            	        case 2 :
+            	            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:533:6: ( () otherlv_4= '-' )
+            	            {
+            	            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:533:6: ( () otherlv_4= '-' )
+            	            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:533:7: () otherlv_4= '-'
+            	            {
+            	            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:533:7: ()
+            	            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:534:5: 
+            	            {
+
+            	                    current = forceCreateModelElementAndSet(
+            	                        grammarAccess.getAdditionAccess().getMinusLeftAction_1_0_1_0(),
+            	                        current);
+            	                
+
+            	            }
+
+            	            otherlv_4=(Token)match(input,23,FOLLOW_23_in_ruleAddition1203); 
+
+            	                	newLeafNode(otherlv_4, grammarAccess.getAdditionAccess().getHyphenMinusKeyword_1_0_1_1());
+            	                
+
+            	            }
+
+
+            	            }
+            	            break;
+
+            	    }
+
+            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:543:3: ( (lv_right_5_0= ruleMultiplication ) )
+            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:544:1: (lv_right_5_0= ruleMultiplication )
+            	    {
+            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:544:1: (lv_right_5_0= ruleMultiplication )
+            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:545:3: lv_right_5_0= ruleMultiplication
+            	    {
+            	     
+            	    	        newCompositeNode(grammarAccess.getAdditionAccess().getRightMultiplicationParserRuleCall_1_1_0()); 
+            	    	    
+            	    pushFollow(FOLLOW_ruleMultiplication_in_ruleAddition1226);
+            	    lv_right_5_0=ruleMultiplication();
+
+            	    state._fsp--;
+
+
+            	    	        if (current==null) {
+            	    	            current = createModelElementForParent(grammarAccess.getAdditionRule());
+            	    	        }
+            	           		set(
+            	           			current, 
+            	           			"right",
+            	            		lv_right_5_0, 
+            	            		"Multiplication");
+            	    	        afterParserOrEnumRuleCall();
+            	    	    
+
+            	    }
+
+
+            	    }
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop8;
+                }
+            } while (true);
+
+
+            }
+
+
+            }
+
+             leaveRule(); 
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "ruleAddition"
+
+
+    // $ANTLR start "entryRuleMultiplication"
+    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:569:1: entryRuleMultiplication returns [EObject current=null] : iv_ruleMultiplication= ruleMultiplication EOF ;
+    public final EObject entryRuleMultiplication() throws RecognitionException {
+        EObject current = null;
+
+        EObject iv_ruleMultiplication = null;
+
+
+        try {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:570:2: (iv_ruleMultiplication= ruleMultiplication EOF )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:571:2: iv_ruleMultiplication= ruleMultiplication EOF
+            {
+             newCompositeNode(grammarAccess.getMultiplicationRule()); 
+            pushFollow(FOLLOW_ruleMultiplication_in_entryRuleMultiplication1264);
+            iv_ruleMultiplication=ruleMultiplication();
+
+            state._fsp--;
+
+             current =iv_ruleMultiplication; 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleMultiplication1274); 
+
+            }
+
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "entryRuleMultiplication"
+
+
+    // $ANTLR start "ruleMultiplication"
+    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:578:1: ruleMultiplication returns [EObject current=null] : (this_PrimaryExpression_0= rulePrimaryExpression ( ( ( () otherlv_2= '*' ) | ( () otherlv_4= '/' ) ) ( (lv_right_5_0= rulePrimaryExpression ) ) )* ) ;
+    public final EObject ruleMultiplication() throws RecognitionException {
+        EObject current = null;
+
+        Token otherlv_2=null;
+        Token otherlv_4=null;
+        EObject this_PrimaryExpression_0 = null;
+
+        EObject lv_right_5_0 = null;
+
+
+         enterRule(); 
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:581:28: ( (this_PrimaryExpression_0= rulePrimaryExpression ( ( ( () otherlv_2= '*' ) | ( () otherlv_4= '/' ) ) ( (lv_right_5_0= rulePrimaryExpression ) ) )* ) )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:582:1: (this_PrimaryExpression_0= rulePrimaryExpression ( ( ( () otherlv_2= '*' ) | ( () otherlv_4= '/' ) ) ( (lv_right_5_0= rulePrimaryExpression ) ) )* )
+            {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:582:1: (this_PrimaryExpression_0= rulePrimaryExpression ( ( ( () otherlv_2= '*' ) | ( () otherlv_4= '/' ) ) ( (lv_right_5_0= rulePrimaryExpression ) ) )* )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:583:5: this_PrimaryExpression_0= rulePrimaryExpression ( ( ( () otherlv_2= '*' ) | ( () otherlv_4= '/' ) ) ( (lv_right_5_0= rulePrimaryExpression ) ) )*
+            {
+             
+                    newCompositeNode(grammarAccess.getMultiplicationAccess().getPrimaryExpressionParserRuleCall_0()); 
+                
+            pushFollow(FOLLOW_rulePrimaryExpression_in_ruleMultiplication1321);
+            this_PrimaryExpression_0=rulePrimaryExpression();
+
+            state._fsp--;
+
+             
+                    current = this_PrimaryExpression_0; 
+                    afterParserOrEnumRuleCall();
+                
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:591:1: ( ( ( () otherlv_2= '*' ) | ( () otherlv_4= '/' ) ) ( (lv_right_5_0= rulePrimaryExpression ) ) )*
+            loop10:
+            do {
+                int alt10=2;
+                int LA10_0 = input.LA(1);
+
+                if ( (LA10_0==15||LA10_0==24) ) {
+                    alt10=1;
+                }
+
+
+                switch (alt10) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:591:2: ( ( () otherlv_2= '*' ) | ( () otherlv_4= '/' ) ) ( (lv_right_5_0= rulePrimaryExpression ) )
+            	    {
+            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:591:2: ( ( () otherlv_2= '*' ) | ( () otherlv_4= '/' ) )
+            	    int alt9=2;
+            	    int LA9_0 = input.LA(1);
+
+            	    if ( (LA9_0==15) ) {
+            	        alt9=1;
+            	    }
+            	    else if ( (LA9_0==24) ) {
+            	        alt9=2;
+            	    }
+            	    else {
+            	        NoViableAltException nvae =
+            	            new NoViableAltException("", 9, 0, input);
+
+            	        throw nvae;
+            	    }
+            	    switch (alt9) {
+            	        case 1 :
+            	            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:591:3: ( () otherlv_2= '*' )
+            	            {
+            	            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:591:3: ( () otherlv_2= '*' )
+            	            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:591:4: () otherlv_2= '*'
+            	            {
+            	            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:591:4: ()
+            	            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:592:5: 
+            	            {
+
+            	                    current = forceCreateModelElementAndSet(
+            	                        grammarAccess.getMultiplicationAccess().getMultiLeftAction_1_0_0_0(),
+            	                        current);
+            	                
+
+            	            }
+
+            	            otherlv_2=(Token)match(input,15,FOLLOW_15_in_ruleMultiplication1344); 
+
+            	                	newLeafNode(otherlv_2, grammarAccess.getMultiplicationAccess().getAsteriskKeyword_1_0_0_1());
+            	                
+
+            	            }
+
+
+            	            }
+            	            break;
+            	        case 2 :
+            	            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:602:6: ( () otherlv_4= '/' )
+            	            {
+            	            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:602:6: ( () otherlv_4= '/' )
+            	            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:602:7: () otherlv_4= '/'
+            	            {
+            	            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:602:7: ()
+            	            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:603:5: 
+            	            {
+
+            	                    current = forceCreateModelElementAndSet(
+            	                        grammarAccess.getMultiplicationAccess().getDivLeftAction_1_0_1_0(),
+            	                        current);
+            	                
+
+            	            }
+
+            	            otherlv_4=(Token)match(input,24,FOLLOW_24_in_ruleMultiplication1373); 
+
+            	                	newLeafNode(otherlv_4, grammarAccess.getMultiplicationAccess().getSolidusKeyword_1_0_1_1());
+            	                
+
+            	            }
+
+
+            	            }
+            	            break;
+
+            	    }
+
+            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:612:3: ( (lv_right_5_0= rulePrimaryExpression ) )
+            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:613:1: (lv_right_5_0= rulePrimaryExpression )
+            	    {
+            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:613:1: (lv_right_5_0= rulePrimaryExpression )
+            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:614:3: lv_right_5_0= rulePrimaryExpression
+            	    {
+            	     
+            	    	        newCompositeNode(grammarAccess.getMultiplicationAccess().getRightPrimaryExpressionParserRuleCall_1_1_0()); 
+            	    	    
+            	    pushFollow(FOLLOW_rulePrimaryExpression_in_ruleMultiplication1396);
+            	    lv_right_5_0=rulePrimaryExpression();
+
+            	    state._fsp--;
+
+
+            	    	        if (current==null) {
+            	    	            current = createModelElementForParent(grammarAccess.getMultiplicationRule());
+            	    	        }
+            	           		set(
+            	           			current, 
+            	           			"right",
+            	            		lv_right_5_0, 
+            	            		"PrimaryExpression");
+            	    	        afterParserOrEnumRuleCall();
+            	    	    
+
+            	    }
+
+
+            	    }
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop10;
+                }
+            } while (true);
+
+
+            }
+
+
+            }
+
+             leaveRule(); 
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "ruleMultiplication"
+
+
+    // $ANTLR start "entryRulePrimaryExpression"
+    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:638:1: entryRulePrimaryExpression returns [EObject current=null] : iv_rulePrimaryExpression= rulePrimaryExpression EOF ;
+    public final EObject entryRulePrimaryExpression() throws RecognitionException {
+        EObject current = null;
+
+        EObject iv_rulePrimaryExpression = null;
+
+
+        try {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:639:2: (iv_rulePrimaryExpression= rulePrimaryExpression EOF )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:640:2: iv_rulePrimaryExpression= rulePrimaryExpression EOF
+            {
+             newCompositeNode(grammarAccess.getPrimaryExpressionRule()); 
+            pushFollow(FOLLOW_rulePrimaryExpression_in_entryRulePrimaryExpression1434);
+            iv_rulePrimaryExpression=rulePrimaryExpression();
+
+            state._fsp--;
+
+             current =iv_rulePrimaryExpression; 
+            match(input,EOF,FOLLOW_EOF_in_entryRulePrimaryExpression1444); 
+
+            }
+
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "entryRulePrimaryExpression"
+
+
+    // $ANTLR start "rulePrimaryExpression"
+    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:647:1: rulePrimaryExpression returns [EObject current=null] : ( (otherlv_0= '(' this_Expression_1= ruleExpression otherlv_2= ')' ) | ( () ( (lv_value_4_0= RULE_NUMBER ) ) ) | ( () ( (otherlv_6= RULE_ID ) ) (otherlv_7= '(' ( (lv_args_8_0= ruleExpression ) ) (otherlv_9= ',' ( (lv_args_10_0= ruleExpression ) ) )* otherlv_11= ')' )? ) ) ;
+    public final EObject rulePrimaryExpression() throws RecognitionException {
+        EObject current = null;
+
+        Token otherlv_0=null;
+        Token otherlv_2=null;
+        Token lv_value_4_0=null;
+        Token otherlv_6=null;
+        Token otherlv_7=null;
+        Token otherlv_9=null;
+        Token otherlv_11=null;
+        EObject this_Expression_1 = null;
+
+        EObject lv_args_8_0 = null;
+
+        EObject lv_args_10_0 = null;
+
+
+         enterRule(); 
+            
+        try {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:650:28: ( ( (otherlv_0= '(' this_Expression_1= ruleExpression otherlv_2= ')' ) | ( () ( (lv_value_4_0= RULE_NUMBER ) ) ) | ( () ( (otherlv_6= RULE_ID ) ) (otherlv_7= '(' ( (lv_args_8_0= ruleExpression ) ) (otherlv_9= ',' ( (lv_args_10_0= ruleExpression ) ) )* otherlv_11= ')' )? ) ) )
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:651:1: ( (otherlv_0= '(' this_Expression_1= ruleExpression otherlv_2= ')' ) | ( () ( (lv_value_4_0= RULE_NUMBER ) ) ) | ( () ( (otherlv_6= RULE_ID ) ) (otherlv_7= '(' ( (lv_args_8_0= ruleExpression ) ) (otherlv_9= ',' ( (lv_args_10_0= ruleExpression ) ) )* otherlv_11= ')' )? ) )
+            {
+            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:651:1: ( (otherlv_0= '(' this_Expression_1= ruleExpression otherlv_2= ')' ) | ( () ( (lv_value_4_0= RULE_NUMBER ) ) ) | ( () ( (otherlv_6= RULE_ID ) ) (otherlv_7= '(' ( (lv_args_8_0= ruleExpression ) ) (otherlv_9= ',' ( (lv_args_10_0= ruleExpression ) ) )* otherlv_11= ')' )? ) )
+            int alt13=3;
+            switch ( input.LA(1) ) {
+            case 17:
+                {
+                alt13=1;
+                }
+                break;
+            case RULE_NUMBER:
+                {
+                alt13=2;
+                }
+                break;
+            case RULE_ID:
+                {
+                alt13=3;
+                }
+                break;
+            default:
+                NoViableAltException nvae =
+                    new NoViableAltException("", 13, 0, input);
+
+                throw nvae;
+            }
+
+            switch (alt13) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:651:2: (otherlv_0= '(' this_Expression_1= ruleExpression otherlv_2= ')' )
+                    {
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:651:2: (otherlv_0= '(' this_Expression_1= ruleExpression otherlv_2= ')' )
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:651:4: otherlv_0= '(' this_Expression_1= ruleExpression otherlv_2= ')'
+                    {
+                    otherlv_0=(Token)match(input,17,FOLLOW_17_in_rulePrimaryExpression1482); 
+
+                        	newLeafNode(otherlv_0, grammarAccess.getPrimaryExpressionAccess().getLeftParenthesisKeyword_0_0());
+                        
+                     
+                            newCompositeNode(grammarAccess.getPrimaryExpressionAccess().getExpressionParserRuleCall_0_1()); 
+                        
+                    pushFollow(FOLLOW_ruleExpression_in_rulePrimaryExpression1504);
+                    this_Expression_1=ruleExpression();
+
+                    state._fsp--;
+
+                     
+                            current = this_Expression_1; 
+                            afterParserOrEnumRuleCall();
+                        
+                    otherlv_2=(Token)match(input,19,FOLLOW_19_in_rulePrimaryExpression1515); 
+
+                        	newLeafNode(otherlv_2, grammarAccess.getPrimaryExpressionAccess().getRightParenthesisKeyword_0_2());
+                        
+
+                    }
+
+
+                    }
+                    break;
+                case 2 :
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:669:6: ( () ( (lv_value_4_0= RULE_NUMBER ) ) )
+                    {
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:669:6: ( () ( (lv_value_4_0= RULE_NUMBER ) ) )
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:669:7: () ( (lv_value_4_0= RULE_NUMBER ) )
+                    {
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:669:7: ()
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:670:5: 
+                    {
+
+                            current = forceCreateModelElement(
+                                grammarAccess.getPrimaryExpressionAccess().getNumberLiteralAction_1_0(),
+                                current);
+                        
+
+                    }
+
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:675:2: ( (lv_value_4_0= RULE_NUMBER ) )
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:676:1: (lv_value_4_0= RULE_NUMBER )
+                    {
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:676:1: (lv_value_4_0= RULE_NUMBER )
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:677:3: lv_value_4_0= RULE_NUMBER
+                    {
+                    lv_value_4_0=(Token)match(input,RULE_NUMBER,FOLLOW_RULE_NUMBER_in_rulePrimaryExpression1549); 
+
+                    			newLeafNode(lv_value_4_0, grammarAccess.getPrimaryExpressionAccess().getValueNUMBERTerminalRuleCall_1_1_0()); 
+                    		
+
+                    	        if (current==null) {
+                    	            current = createModelElement(grammarAccess.getPrimaryExpressionRule());
+                    	        }
+                           		setWithLastConsumed(
+                           			current, 
+                           			"value",
+                            		lv_value_4_0, 
+                            		"NUMBER");
+                    	    
+
+                    }
+
+
+                    }
+
+
+                    }
+
+
+                    }
+                    break;
+                case 3 :
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:694:6: ( () ( (otherlv_6= RULE_ID ) ) (otherlv_7= '(' ( (lv_args_8_0= ruleExpression ) ) (otherlv_9= ',' ( (lv_args_10_0= ruleExpression ) ) )* otherlv_11= ')' )? )
+                    {
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:694:6: ( () ( (otherlv_6= RULE_ID ) ) (otherlv_7= '(' ( (lv_args_8_0= ruleExpression ) ) (otherlv_9= ',' ( (lv_args_10_0= ruleExpression ) ) )* otherlv_11= ')' )? )
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:694:7: () ( (otherlv_6= RULE_ID ) ) (otherlv_7= '(' ( (lv_args_8_0= ruleExpression ) ) (otherlv_9= ',' ( (lv_args_10_0= ruleExpression ) ) )* otherlv_11= ')' )?
+                    {
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:694:7: ()
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:695:5: 
+                    {
+
+                            current = forceCreateModelElement(
+                                grammarAccess.getPrimaryExpressionAccess().getFunctionCallAction_2_0(),
+                                current);
+                        
+
+                    }
+
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:700:2: ( (otherlv_6= RULE_ID ) )
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:701:1: (otherlv_6= RULE_ID )
+                    {
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:701:1: (otherlv_6= RULE_ID )
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:702:3: otherlv_6= RULE_ID
+                    {
+
+                    			if (current==null) {
+                    	            current = createModelElement(grammarAccess.getPrimaryExpressionRule());
+                    	        }
+                            
+                    otherlv_6=(Token)match(input,RULE_ID,FOLLOW_RULE_ID_in_rulePrimaryExpression1591); 
+
+                    		newLeafNode(otherlv_6, grammarAccess.getPrimaryExpressionAccess().getFuncAbstractDefinitionCrossReference_2_1_0()); 
+                    	
+
+                    }
+
+
+                    }
+
+                    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:713:2: (otherlv_7= '(' ( (lv_args_8_0= ruleExpression ) ) (otherlv_9= ',' ( (lv_args_10_0= ruleExpression ) ) )* otherlv_11= ')' )?
+                    int alt12=2;
+                    int LA12_0 = input.LA(1);
+
+                    if ( (LA12_0==17) ) {
+                        alt12=1;
+                    }
+                    switch (alt12) {
+                        case 1 :
+                            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:713:4: otherlv_7= '(' ( (lv_args_8_0= ruleExpression ) ) (otherlv_9= ',' ( (lv_args_10_0= ruleExpression ) ) )* otherlv_11= ')'
+                            {
+                            otherlv_7=(Token)match(input,17,FOLLOW_17_in_rulePrimaryExpression1604); 
+
+                                	newLeafNode(otherlv_7, grammarAccess.getPrimaryExpressionAccess().getLeftParenthesisKeyword_2_2_0());
+                                
+                            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:717:1: ( (lv_args_8_0= ruleExpression ) )
+                            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:718:1: (lv_args_8_0= ruleExpression )
+                            {
+                            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:718:1: (lv_args_8_0= ruleExpression )
+                            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:719:3: lv_args_8_0= ruleExpression
+                            {
+                             
+                            	        newCompositeNode(grammarAccess.getPrimaryExpressionAccess().getArgsExpressionParserRuleCall_2_2_1_0()); 
+                            	    
+                            pushFollow(FOLLOW_ruleExpression_in_rulePrimaryExpression1625);
+                            lv_args_8_0=ruleExpression();
+
+                            state._fsp--;
+
+
+                            	        if (current==null) {
+                            	            current = createModelElementForParent(grammarAccess.getPrimaryExpressionRule());
+                            	        }
+                                   		add(
+                                   			current, 
+                                   			"args",
+                                    		lv_args_8_0, 
+                                    		"Expression");
+                            	        afterParserOrEnumRuleCall();
+                            	    
+
+                            }
+
+
+                            }
+
+                            // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:735:2: (otherlv_9= ',' ( (lv_args_10_0= ruleExpression ) ) )*
+                            loop11:
+                            do {
+                                int alt11=2;
+                                int LA11_0 = input.LA(1);
+
+                                if ( (LA11_0==18) ) {
+                                    alt11=1;
+                                }
+
+
+                                switch (alt11) {
+                            	case 1 :
+                            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:735:4: otherlv_9= ',' ( (lv_args_10_0= ruleExpression ) )
+                            	    {
+                            	    otherlv_9=(Token)match(input,18,FOLLOW_18_in_rulePrimaryExpression1638); 
+
+                            	        	newLeafNode(otherlv_9, grammarAccess.getPrimaryExpressionAccess().getCommaKeyword_2_2_2_0());
+                            	        
+                            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:739:1: ( (lv_args_10_0= ruleExpression ) )
+                            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:740:1: (lv_args_10_0= ruleExpression )
+                            	    {
+                            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:740:1: (lv_args_10_0= ruleExpression )
+                            	    // ../org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/parser/antlr/internal/InternalArithmetics.g:741:3: lv_args_10_0= ruleExpression
+                            	    {
+                            	     
+                            	    	        newCompositeNode(grammarAccess.getPrimaryExpressionAccess().getArgsExpressionParserRuleCall_2_2_2_1_0()); 
+                            	    	    
+                            	    pushFollow(FOLLOW_ruleExpression_in_rulePrimaryExpression1659);
+                            	    lv_args_10_0=ruleExpression();
+
+                            	    state._fsp--;
+
+
+                            	    	        if (current==null) {
+                            	    	            current = createModelElementForParent(grammarAccess.getPrimaryExpressionRule());
+                            	    	        }
+                            	           		add(
+                            	           			current, 
+                            	           			"args",
+                            	            		lv_args_10_0, 
+                            	            		"Expression");
+                            	    	        afterParserOrEnumRuleCall();
+                            	    	    
+
+                            	    }
+
+
+                            	    }
+
+
+                            	    }
+                            	    break;
+
+                            	default :
+                            	    break loop11;
+                                }
+                            } while (true);
+
+                            otherlv_11=(Token)match(input,19,FOLLOW_19_in_rulePrimaryExpression1673); 
+
+                                	newLeafNode(otherlv_11, grammarAccess.getPrimaryExpressionAccess().getRightParenthesisKeyword_2_2_3());
+                                
+
+                            }
+                            break;
+
+                    }
+
+
+                    }
+
+
+                    }
+                    break;
+
+            }
+
+
+            }
+
+             leaveRule(); 
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "rulePrimaryExpression"
+
+    // Delegated rules
+
+
+ 
+
+    public static final BitSet FOLLOW_ruleModule_in_entryRuleModule75 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleModule85 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_12_in_ruleModule122 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_RULE_ID_in_ruleModule139 = new BitSet(new long[]{0x0000000000032032L});
+    public static final BitSet FOLLOW_ruleImport_in_ruleModule165 = new BitSet(new long[]{0x0000000000032032L});
+    public static final BitSet FOLLOW_ruleStatement_in_ruleModule187 = new BitSet(new long[]{0x0000000000030032L});
+    public static final BitSet FOLLOW_ruleImport_in_entryRuleImport224 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleImport234 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_13_in_ruleImport271 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_ruleImportName_in_ruleImport292 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleImportName_in_entryRuleImportName329 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleImportName340 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_RULE_ID_in_ruleImportName380 = new BitSet(new long[]{0x0000000000004002L});
+    public static final BitSet FOLLOW_14_in_ruleImportName399 = new BitSet(new long[]{0x0000000000008000L});
+    public static final BitSet FOLLOW_15_in_ruleImportName412 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleStatement_in_entryRuleStatement454 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleStatement464 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleDefinition_in_ruleStatement511 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleEvaluation_in_ruleStatement538 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleDefinition_in_entryRuleDefinition573 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleDefinition583 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_16_in_ruleDefinition620 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_RULE_ID_in_ruleDefinition637 = new BitSet(new long[]{0x0000000000120000L});
+    public static final BitSet FOLLOW_17_in_ruleDefinition655 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_ruleDeclaredParameter_in_ruleDefinition676 = new BitSet(new long[]{0x00000000000C0000L});
+    public static final BitSet FOLLOW_18_in_ruleDefinition689 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_ruleDeclaredParameter_in_ruleDefinition710 = new BitSet(new long[]{0x00000000000C0000L});
+    public static final BitSet FOLLOW_19_in_ruleDefinition724 = new BitSet(new long[]{0x0000000000100000L});
+    public static final BitSet FOLLOW_20_in_ruleDefinition738 = new BitSet(new long[]{0x0000000000030030L});
+    public static final BitSet FOLLOW_ruleExpression_in_ruleDefinition759 = new BitSet(new long[]{0x0000000000200000L});
+    public static final BitSet FOLLOW_21_in_ruleDefinition771 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleDeclaredParameter_in_entryRuleDeclaredParameter807 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleDeclaredParameter817 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_RULE_ID_in_ruleDeclaredParameter858 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleEvaluation_in_entryRuleEvaluation900 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleEvaluation910 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleExpression_in_ruleEvaluation956 = new BitSet(new long[]{0x0000000000200000L});
+    public static final BitSet FOLLOW_21_in_ruleEvaluation968 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleExpression_in_entryRuleExpression1004 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleExpression1014 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleAddition_in_ruleExpression1060 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleAddition_in_entryRuleAddition1094 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleAddition1104 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleMultiplication_in_ruleAddition1151 = new BitSet(new long[]{0x0000000000C00002L});
+    public static final BitSet FOLLOW_22_in_ruleAddition1174 = new BitSet(new long[]{0x0000000000030030L});
+    public static final BitSet FOLLOW_23_in_ruleAddition1203 = new BitSet(new long[]{0x0000000000030030L});
+    public static final BitSet FOLLOW_ruleMultiplication_in_ruleAddition1226 = new BitSet(new long[]{0x0000000000C00002L});
+    public static final BitSet FOLLOW_ruleMultiplication_in_entryRuleMultiplication1264 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleMultiplication1274 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rulePrimaryExpression_in_ruleMultiplication1321 = new BitSet(new long[]{0x0000000001008002L});
+    public static final BitSet FOLLOW_15_in_ruleMultiplication1344 = new BitSet(new long[]{0x0000000000030030L});
+    public static final BitSet FOLLOW_24_in_ruleMultiplication1373 = new BitSet(new long[]{0x0000000000030030L});
+    public static final BitSet FOLLOW_rulePrimaryExpression_in_ruleMultiplication1396 = new BitSet(new long[]{0x0000000001008002L});
+    public static final BitSet FOLLOW_rulePrimaryExpression_in_entryRulePrimaryExpression1434 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRulePrimaryExpression1444 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_17_in_rulePrimaryExpression1482 = new BitSet(new long[]{0x0000000000030030L});
+    public static final BitSet FOLLOW_ruleExpression_in_rulePrimaryExpression1504 = new BitSet(new long[]{0x0000000000080000L});
+    public static final BitSet FOLLOW_19_in_rulePrimaryExpression1515 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_RULE_NUMBER_in_rulePrimaryExpression1549 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_RULE_ID_in_rulePrimaryExpression1591 = new BitSet(new long[]{0x0000000000020002L});
+    public static final BitSet FOLLOW_17_in_rulePrimaryExpression1604 = new BitSet(new long[]{0x0000000000030030L});
+    public static final BitSet FOLLOW_ruleExpression_in_rulePrimaryExpression1625 = new BitSet(new long[]{0x00000000000C0000L});
+    public static final BitSet FOLLOW_18_in_rulePrimaryExpression1638 = new BitSet(new long[]{0x0000000000030030L});
+    public static final BitSet FOLLOW_ruleExpression_in_rulePrimaryExpression1659 = new BitSet(new long[]{0x00000000000C0000L});
+    public static final BitSet FOLLOW_19_in_rulePrimaryExpression1673 = new BitSet(new long[]{0x0000000000000002L});
+
+}
\ No newline at end of file
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/serializer/AbstractArithmeticsSemanticSequencer.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/serializer/AbstractArithmeticsSemanticSequencer.java
new file mode 100644
index 0000000..ac327a0
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/serializer/AbstractArithmeticsSemanticSequencer.java
@@ -0,0 +1,339 @@
+package org.eclipse.xtext.example.arithmetics.serializer;
+
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage;
+import org.eclipse.xtext.example.arithmetics.arithmetics.DeclaredParameter;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Definition;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Div;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Evaluation;
+import org.eclipse.xtext.example.arithmetics.arithmetics.FunctionCall;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Import;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Minus;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Module;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Multi;
+import org.eclipse.xtext.example.arithmetics.arithmetics.NumberLiteral;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Plus;
+import org.eclipse.xtext.example.arithmetics.services.ArithmeticsGrammarAccess;
+import org.eclipse.xtext.serializer.acceptor.ISemanticSequenceAcceptor;
+import org.eclipse.xtext.serializer.acceptor.SequenceFeeder;
+import org.eclipse.xtext.serializer.diagnostic.ISemanticSequencerDiagnosticProvider;
+import org.eclipse.xtext.serializer.diagnostic.ISerializationDiagnostic.Acceptor;
+import org.eclipse.xtext.serializer.sequencer.AbstractSemanticSequencer;
+import org.eclipse.xtext.serializer.sequencer.GenericSequencer;
+import org.eclipse.xtext.serializer.sequencer.ISemanticNodeProvider.INodesForEObjectProvider;
+import org.eclipse.xtext.serializer.sequencer.ISemanticSequencer;
+import org.eclipse.xtext.serializer.sequencer.ITransientValueService;
+import org.eclipse.xtext.serializer.sequencer.ITransientValueService.ValueTransient;
+
+@SuppressWarnings("restriction")
+public class AbstractArithmeticsSemanticSequencer extends AbstractSemanticSequencer {
+
+	@Inject
+	protected ArithmeticsGrammarAccess grammarAccess;
+	
+	@Inject
+	protected ISemanticSequencerDiagnosticProvider diagnosticProvider;
+	
+	@Inject
+	protected ITransientValueService transientValues;
+	
+	@Inject
+	@GenericSequencer
+	protected Provider<ISemanticSequencer> genericSequencerProvider;
+	
+	protected ISemanticSequencer genericSequencer;
+	
+	
+	@Override
+	public void init(ISemanticSequencer sequencer, ISemanticSequenceAcceptor sequenceAcceptor, Acceptor errorAcceptor) {
+		super.init(sequencer, sequenceAcceptor, errorAcceptor);
+		this.genericSequencer = genericSequencerProvider.get();
+		this.genericSequencer.init(sequencer, sequenceAcceptor, errorAcceptor);
+	}
+	
+	public void createSequence(EObject context, EObject semanticObject) {
+		if(semanticObject.eClass().getEPackage() == ArithmeticsPackage.eINSTANCE) switch(semanticObject.eClass().getClassifierID()) {
+			case ArithmeticsPackage.DECLARED_PARAMETER:
+				if(context == grammarAccess.getAbstractDefinitionRule() ||
+				   context == grammarAccess.getDeclaredParameterRule()) {
+					sequence_DeclaredParameter(context, (DeclaredParameter) semanticObject); 
+					return; 
+				}
+				else break;
+			case ArithmeticsPackage.DEFINITION:
+				if(context == grammarAccess.getAbstractDefinitionRule() ||
+				   context == grammarAccess.getDefinitionRule() ||
+				   context == grammarAccess.getStatementRule()) {
+					sequence_Definition(context, (Definition) semanticObject); 
+					return; 
+				}
+				else break;
+			case ArithmeticsPackage.DIV:
+				if(context == grammarAccess.getAdditionRule() ||
+				   context == grammarAccess.getAdditionAccess().getMinusLeftAction_1_0_1_0() ||
+				   context == grammarAccess.getAdditionAccess().getPlusLeftAction_1_0_0_0() ||
+				   context == grammarAccess.getExpressionRule() ||
+				   context == grammarAccess.getMultiplicationRule() ||
+				   context == grammarAccess.getMultiplicationAccess().getDivLeftAction_1_0_1_0() ||
+				   context == grammarAccess.getMultiplicationAccess().getMultiLeftAction_1_0_0_0() ||
+				   context == grammarAccess.getPrimaryExpressionRule()) {
+					sequence_Multiplication(context, (Div) semanticObject); 
+					return; 
+				}
+				else break;
+			case ArithmeticsPackage.EVALUATION:
+				if(context == grammarAccess.getEvaluationRule() ||
+				   context == grammarAccess.getStatementRule()) {
+					sequence_Evaluation(context, (Evaluation) semanticObject); 
+					return; 
+				}
+				else break;
+			case ArithmeticsPackage.FUNCTION_CALL:
+				if(context == grammarAccess.getAdditionRule() ||
+				   context == grammarAccess.getAdditionAccess().getMinusLeftAction_1_0_1_0() ||
+				   context == grammarAccess.getAdditionAccess().getPlusLeftAction_1_0_0_0() ||
+				   context == grammarAccess.getExpressionRule() ||
+				   context == grammarAccess.getMultiplicationRule() ||
+				   context == grammarAccess.getMultiplicationAccess().getDivLeftAction_1_0_1_0() ||
+				   context == grammarAccess.getMultiplicationAccess().getMultiLeftAction_1_0_0_0() ||
+				   context == grammarAccess.getPrimaryExpressionRule()) {
+					sequence_PrimaryExpression(context, (FunctionCall) semanticObject); 
+					return; 
+				}
+				else break;
+			case ArithmeticsPackage.IMPORT:
+				if(context == grammarAccess.getImportRule()) {
+					sequence_Import(context, (Import) semanticObject); 
+					return; 
+				}
+				else break;
+			case ArithmeticsPackage.MINUS:
+				if(context == grammarAccess.getAdditionRule() ||
+				   context == grammarAccess.getAdditionAccess().getMinusLeftAction_1_0_1_0() ||
+				   context == grammarAccess.getAdditionAccess().getPlusLeftAction_1_0_0_0() ||
+				   context == grammarAccess.getExpressionRule() ||
+				   context == grammarAccess.getMultiplicationRule() ||
+				   context == grammarAccess.getMultiplicationAccess().getDivLeftAction_1_0_1_0() ||
+				   context == grammarAccess.getMultiplicationAccess().getMultiLeftAction_1_0_0_0() ||
+				   context == grammarAccess.getPrimaryExpressionRule()) {
+					sequence_Addition(context, (Minus) semanticObject); 
+					return; 
+				}
+				else break;
+			case ArithmeticsPackage.MODULE:
+				if(context == grammarAccess.getModuleRule()) {
+					sequence_Module(context, (Module) semanticObject); 
+					return; 
+				}
+				else break;
+			case ArithmeticsPackage.MULTI:
+				if(context == grammarAccess.getAdditionRule() ||
+				   context == grammarAccess.getAdditionAccess().getMinusLeftAction_1_0_1_0() ||
+				   context == grammarAccess.getAdditionAccess().getPlusLeftAction_1_0_0_0() ||
+				   context == grammarAccess.getExpressionRule() ||
+				   context == grammarAccess.getMultiplicationRule() ||
+				   context == grammarAccess.getMultiplicationAccess().getDivLeftAction_1_0_1_0() ||
+				   context == grammarAccess.getMultiplicationAccess().getMultiLeftAction_1_0_0_0() ||
+				   context == grammarAccess.getPrimaryExpressionRule()) {
+					sequence_Multiplication(context, (Multi) semanticObject); 
+					return; 
+				}
+				else break;
+			case ArithmeticsPackage.NUMBER_LITERAL:
+				if(context == grammarAccess.getAdditionRule() ||
+				   context == grammarAccess.getAdditionAccess().getMinusLeftAction_1_0_1_0() ||
+				   context == grammarAccess.getAdditionAccess().getPlusLeftAction_1_0_0_0() ||
+				   context == grammarAccess.getExpressionRule() ||
+				   context == grammarAccess.getMultiplicationRule() ||
+				   context == grammarAccess.getMultiplicationAccess().getDivLeftAction_1_0_1_0() ||
+				   context == grammarAccess.getMultiplicationAccess().getMultiLeftAction_1_0_0_0() ||
+				   context == grammarAccess.getPrimaryExpressionRule()) {
+					sequence_PrimaryExpression(context, (NumberLiteral) semanticObject); 
+					return; 
+				}
+				else break;
+			case ArithmeticsPackage.PLUS:
+				if(context == grammarAccess.getAdditionRule() ||
+				   context == grammarAccess.getAdditionAccess().getMinusLeftAction_1_0_1_0() ||
+				   context == grammarAccess.getAdditionAccess().getPlusLeftAction_1_0_0_0() ||
+				   context == grammarAccess.getExpressionRule() ||
+				   context == grammarAccess.getMultiplicationRule() ||
+				   context == grammarAccess.getMultiplicationAccess().getDivLeftAction_1_0_1_0() ||
+				   context == grammarAccess.getMultiplicationAccess().getMultiLeftAction_1_0_0_0() ||
+				   context == grammarAccess.getPrimaryExpressionRule()) {
+					sequence_Addition(context, (Plus) semanticObject); 
+					return; 
+				}
+				else break;
+			}
+		if (errorAcceptor != null) errorAcceptor.accept(diagnosticProvider.createInvalidContextOrTypeDiagnostic(semanticObject, context));
+	}
+	
+	/**
+	 * Constraint:
+	 *     (left=Addition_Minus_1_0_1_0 right=Multiplication)
+	 */
+	protected void sequence_Addition(EObject context, Minus semanticObject) {
+		if(errorAcceptor != null) {
+			if(transientValues.isValueTransient(semanticObject, ArithmeticsPackage.Literals.MINUS__LEFT) == ValueTransient.YES)
+				errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, ArithmeticsPackage.Literals.MINUS__LEFT));
+			if(transientValues.isValueTransient(semanticObject, ArithmeticsPackage.Literals.MINUS__RIGHT) == ValueTransient.YES)
+				errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, ArithmeticsPackage.Literals.MINUS__RIGHT));
+		}
+		INodesForEObjectProvider nodes = createNodeProvider(semanticObject);
+		SequenceFeeder feeder = createSequencerFeeder(semanticObject, nodes);
+		feeder.accept(grammarAccess.getAdditionAccess().getMinusLeftAction_1_0_1_0(), semanticObject.getLeft());
+		feeder.accept(grammarAccess.getAdditionAccess().getRightMultiplicationParserRuleCall_1_1_0(), semanticObject.getRight());
+		feeder.finish();
+	}
+	
+	
+	/**
+	 * Constraint:
+	 *     (left=Addition_Plus_1_0_0_0 right=Multiplication)
+	 */
+	protected void sequence_Addition(EObject context, Plus semanticObject) {
+		if(errorAcceptor != null) {
+			if(transientValues.isValueTransient(semanticObject, ArithmeticsPackage.Literals.PLUS__LEFT) == ValueTransient.YES)
+				errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, ArithmeticsPackage.Literals.PLUS__LEFT));
+			if(transientValues.isValueTransient(semanticObject, ArithmeticsPackage.Literals.PLUS__RIGHT) == ValueTransient.YES)
+				errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, ArithmeticsPackage.Literals.PLUS__RIGHT));
+		}
+		INodesForEObjectProvider nodes = createNodeProvider(semanticObject);
+		SequenceFeeder feeder = createSequencerFeeder(semanticObject, nodes);
+		feeder.accept(grammarAccess.getAdditionAccess().getPlusLeftAction_1_0_0_0(), semanticObject.getLeft());
+		feeder.accept(grammarAccess.getAdditionAccess().getRightMultiplicationParserRuleCall_1_1_0(), semanticObject.getRight());
+		feeder.finish();
+	}
+	
+	
+	/**
+	 * Constraint:
+	 *     name=ID
+	 */
+	protected void sequence_DeclaredParameter(EObject context, DeclaredParameter semanticObject) {
+		if(errorAcceptor != null) {
+			if(transientValues.isValueTransient(semanticObject, ArithmeticsPackage.Literals.ABSTRACT_DEFINITION__NAME) == ValueTransient.YES)
+				errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, ArithmeticsPackage.Literals.ABSTRACT_DEFINITION__NAME));
+		}
+		INodesForEObjectProvider nodes = createNodeProvider(semanticObject);
+		SequenceFeeder feeder = createSequencerFeeder(semanticObject, nodes);
+		feeder.accept(grammarAccess.getDeclaredParameterAccess().getNameIDTerminalRuleCall_0(), semanticObject.getName());
+		feeder.finish();
+	}
+	
+	
+	/**
+	 * Constraint:
+	 *     (name=ID (args+=DeclaredParameter args+=DeclaredParameter*)? expr=Expression)
+	 */
+	protected void sequence_Definition(EObject context, Definition semanticObject) {
+		genericSequencer.createSequence(context, semanticObject);
+	}
+	
+	
+	/**
+	 * Constraint:
+	 *     expression=Expression
+	 */
+	protected void sequence_Evaluation(EObject context, Evaluation semanticObject) {
+		if(errorAcceptor != null) {
+			if(transientValues.isValueTransient(semanticObject, ArithmeticsPackage.Literals.EVALUATION__EXPRESSION) == ValueTransient.YES)
+				errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, ArithmeticsPackage.Literals.EVALUATION__EXPRESSION));
+		}
+		INodesForEObjectProvider nodes = createNodeProvider(semanticObject);
+		SequenceFeeder feeder = createSequencerFeeder(semanticObject, nodes);
+		feeder.accept(grammarAccess.getEvaluationAccess().getExpressionExpressionParserRuleCall_0_0(), semanticObject.getExpression());
+		feeder.finish();
+	}
+	
+	
+	/**
+	 * Constraint:
+	 *     importedNamespace=ImportName
+	 */
+	protected void sequence_Import(EObject context, Import semanticObject) {
+		if(errorAcceptor != null) {
+			if(transientValues.isValueTransient(semanticObject, ArithmeticsPackage.Literals.IMPORT__IMPORTED_NAMESPACE) == ValueTransient.YES)
+				errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, ArithmeticsPackage.Literals.IMPORT__IMPORTED_NAMESPACE));
+		}
+		INodesForEObjectProvider nodes = createNodeProvider(semanticObject);
+		SequenceFeeder feeder = createSequencerFeeder(semanticObject, nodes);
+		feeder.accept(grammarAccess.getImportAccess().getImportedNamespaceImportNameParserRuleCall_1_0(), semanticObject.getImportedNamespace());
+		feeder.finish();
+	}
+	
+	
+	/**
+	 * Constraint:
+	 *     (name=ID imports+=Import* statements+=Statement*)
+	 */
+	protected void sequence_Module(EObject context, Module semanticObject) {
+		genericSequencer.createSequence(context, semanticObject);
+	}
+	
+	
+	/**
+	 * Constraint:
+	 *     (left=Multiplication_Div_1_0_1_0 right=PrimaryExpression)
+	 */
+	protected void sequence_Multiplication(EObject context, Div semanticObject) {
+		if(errorAcceptor != null) {
+			if(transientValues.isValueTransient(semanticObject, ArithmeticsPackage.Literals.DIV__LEFT) == ValueTransient.YES)
+				errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, ArithmeticsPackage.Literals.DIV__LEFT));
+			if(transientValues.isValueTransient(semanticObject, ArithmeticsPackage.Literals.DIV__RIGHT) == ValueTransient.YES)
+				errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, ArithmeticsPackage.Literals.DIV__RIGHT));
+		}
+		INodesForEObjectProvider nodes = createNodeProvider(semanticObject);
+		SequenceFeeder feeder = createSequencerFeeder(semanticObject, nodes);
+		feeder.accept(grammarAccess.getMultiplicationAccess().getDivLeftAction_1_0_1_0(), semanticObject.getLeft());
+		feeder.accept(grammarAccess.getMultiplicationAccess().getRightPrimaryExpressionParserRuleCall_1_1_0(), semanticObject.getRight());
+		feeder.finish();
+	}
+	
+	
+	/**
+	 * Constraint:
+	 *     (left=Multiplication_Multi_1_0_0_0 right=PrimaryExpression)
+	 */
+	protected void sequence_Multiplication(EObject context, Multi semanticObject) {
+		if(errorAcceptor != null) {
+			if(transientValues.isValueTransient(semanticObject, ArithmeticsPackage.Literals.MULTI__LEFT) == ValueTransient.YES)
+				errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, ArithmeticsPackage.Literals.MULTI__LEFT));
+			if(transientValues.isValueTransient(semanticObject, ArithmeticsPackage.Literals.MULTI__RIGHT) == ValueTransient.YES)
+				errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, ArithmeticsPackage.Literals.MULTI__RIGHT));
+		}
+		INodesForEObjectProvider nodes = createNodeProvider(semanticObject);
+		SequenceFeeder feeder = createSequencerFeeder(semanticObject, nodes);
+		feeder.accept(grammarAccess.getMultiplicationAccess().getMultiLeftAction_1_0_0_0(), semanticObject.getLeft());
+		feeder.accept(grammarAccess.getMultiplicationAccess().getRightPrimaryExpressionParserRuleCall_1_1_0(), semanticObject.getRight());
+		feeder.finish();
+	}
+	
+	
+	/**
+	 * Constraint:
+	 *     (func=[AbstractDefinition|ID] (args+=Expression args+=Expression*)?)
+	 */
+	protected void sequence_PrimaryExpression(EObject context, FunctionCall semanticObject) {
+		genericSequencer.createSequence(context, semanticObject);
+	}
+	
+	
+	/**
+	 * Constraint:
+	 *     value=NUMBER
+	 */
+	protected void sequence_PrimaryExpression(EObject context, NumberLiteral semanticObject) {
+		if(errorAcceptor != null) {
+			if(transientValues.isValueTransient(semanticObject, ArithmeticsPackage.Literals.NUMBER_LITERAL__VALUE) == ValueTransient.YES)
+				errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, ArithmeticsPackage.Literals.NUMBER_LITERAL__VALUE));
+		}
+		INodesForEObjectProvider nodes = createNodeProvider(semanticObject);
+		SequenceFeeder feeder = createSequencerFeeder(semanticObject, nodes);
+		feeder.accept(grammarAccess.getPrimaryExpressionAccess().getValueNUMBERTerminalRuleCall_1_1_0(), semanticObject.getValue());
+		feeder.finish();
+	}
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/serializer/AbstractArithmeticsSyntacticSequencer.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/serializer/AbstractArithmeticsSyntacticSequencer.java
new file mode 100644
index 0000000..2fa106e
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/serializer/AbstractArithmeticsSyntacticSequencer.java
@@ -0,0 +1,66 @@
+package org.eclipse.xtext.example.arithmetics.serializer;
+
+import com.google.inject.Inject;
+import java.util.List;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.IGrammarAccess;
+import org.eclipse.xtext.RuleCall;
+import org.eclipse.xtext.example.arithmetics.services.ArithmeticsGrammarAccess;
+import org.eclipse.xtext.nodemodel.INode;
+import org.eclipse.xtext.serializer.analysis.GrammarAlias.AbstractElementAlias;
+import org.eclipse.xtext.serializer.analysis.GrammarAlias.TokenAlias;
+import org.eclipse.xtext.serializer.analysis.ISyntacticSequencerPDAProvider.ISynNavigable;
+import org.eclipse.xtext.serializer.analysis.ISyntacticSequencerPDAProvider.ISynTransition;
+import org.eclipse.xtext.serializer.sequencer.AbstractSyntacticSequencer;
+
+@SuppressWarnings("restriction")
+public class AbstractArithmeticsSyntacticSequencer extends AbstractSyntacticSequencer {
+
+	protected ArithmeticsGrammarAccess grammarAccess;
+	protected AbstractElementAlias match_PrimaryExpression_LeftParenthesisKeyword_0_0_a;
+	protected AbstractElementAlias match_PrimaryExpression_LeftParenthesisKeyword_0_0_p;
+	
+	@Inject
+	protected void init(IGrammarAccess access) {
+		grammarAccess = (ArithmeticsGrammarAccess) access;
+		match_PrimaryExpression_LeftParenthesisKeyword_0_0_a = new TokenAlias(true, true, grammarAccess.getPrimaryExpressionAccess().getLeftParenthesisKeyword_0_0());
+		match_PrimaryExpression_LeftParenthesisKeyword_0_0_p = new TokenAlias(true, false, grammarAccess.getPrimaryExpressionAccess().getLeftParenthesisKeyword_0_0());
+	}
+	
+	@Override
+	protected String getUnassignedRuleCallToken(EObject semanticObject, RuleCall ruleCall, INode node) {
+		return "";
+	}
+	
+	
+	@Override
+	protected void emitUnassignedTokens(EObject semanticObject, ISynTransition transition, INode fromNode, INode toNode) {
+		if (transition.getAmbiguousSyntaxes().isEmpty()) return;
+		List<INode> transitionNodes = collectNodes(fromNode, toNode);
+		for (AbstractElementAlias syntax : transition.getAmbiguousSyntaxes()) {
+			List<INode> syntaxNodes = getNodesFor(transitionNodes, syntax);
+			if(match_PrimaryExpression_LeftParenthesisKeyword_0_0_a.equals(syntax))
+				emit_PrimaryExpression_LeftParenthesisKeyword_0_0_a(semanticObject, getLastNavigableState(), syntaxNodes);
+			else if(match_PrimaryExpression_LeftParenthesisKeyword_0_0_p.equals(syntax))
+				emit_PrimaryExpression_LeftParenthesisKeyword_0_0_p(semanticObject, getLastNavigableState(), syntaxNodes);
+			else acceptNodes(getLastNavigableState(), syntaxNodes);
+		}
+	}
+
+	/**
+	 * Syntax:
+	 *     '('*
+	 */
+	protected void emit_PrimaryExpression_LeftParenthesisKeyword_0_0_a(EObject semanticObject, ISynNavigable transition, List<INode> nodes) {
+		acceptNodes(transition, nodes);
+	}
+	
+	/**
+	 * Syntax:
+	 *     '('+
+	 */
+	protected void emit_PrimaryExpression_LeftParenthesisKeyword_0_0_p(EObject semanticObject, ISynNavigable transition, List<INode> nodes) {
+		acceptNodes(transition, nodes);
+	}
+	
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/services/ArithmeticsGrammarAccess.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/services/ArithmeticsGrammarAccess.java
new file mode 100644
index 0000000..fd5aab8
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/services/ArithmeticsGrammarAccess.java
@@ -0,0 +1,700 @@
+/*
+* generated by Xtext
+*/
+
+package org.eclipse.xtext.example.arithmetics.services;
+
+import com.google.inject.Singleton;
+import com.google.inject.Inject;
+
+import org.eclipse.xtext.*;
+import org.eclipse.xtext.service.GrammarProvider;
+import org.eclipse.xtext.service.AbstractElementFinder.*;
+
+import org.eclipse.xtext.common.services.TerminalsGrammarAccess;
+
+@Singleton
+public class ArithmeticsGrammarAccess extends AbstractGrammarElementFinder {
+	
+	
+	public class ModuleElements extends AbstractParserRuleElementFinder {
+		private final ParserRule rule = (ParserRule) GrammarUtil.findRuleForName(getGrammar(), "Module");
+		private final Group cGroup = (Group)rule.eContents().get(1);
+		private final Keyword cModuleKeyword_0 = (Keyword)cGroup.eContents().get(0);
+		private final Assignment cNameAssignment_1 = (Assignment)cGroup.eContents().get(1);
+		private final RuleCall cNameIDTerminalRuleCall_1_0 = (RuleCall)cNameAssignment_1.eContents().get(0);
+		private final Assignment cImportsAssignment_2 = (Assignment)cGroup.eContents().get(2);
+		private final RuleCall cImportsImportParserRuleCall_2_0 = (RuleCall)cImportsAssignment_2.eContents().get(0);
+		private final Assignment cStatementsAssignment_3 = (Assignment)cGroup.eContents().get(3);
+		private final RuleCall cStatementsStatementParserRuleCall_3_0 = (RuleCall)cStatementsAssignment_3.eContents().get(0);
+		
+		//Module:
+		//	"module" name=ID imports+=Import* statements+=Statement*;
+		public ParserRule getRule() { return rule; }
+
+		//"module" name=ID imports+=Import* statements+=Statement*
+		public Group getGroup() { return cGroup; }
+
+		//"module"
+		public Keyword getModuleKeyword_0() { return cModuleKeyword_0; }
+
+		//name=ID
+		public Assignment getNameAssignment_1() { return cNameAssignment_1; }
+
+		//ID
+		public RuleCall getNameIDTerminalRuleCall_1_0() { return cNameIDTerminalRuleCall_1_0; }
+
+		//imports+=Import*
+		public Assignment getImportsAssignment_2() { return cImportsAssignment_2; }
+
+		//Import
+		public RuleCall getImportsImportParserRuleCall_2_0() { return cImportsImportParserRuleCall_2_0; }
+
+		//statements+=Statement*
+		public Assignment getStatementsAssignment_3() { return cStatementsAssignment_3; }
+
+		//Statement
+		public RuleCall getStatementsStatementParserRuleCall_3_0() { return cStatementsStatementParserRuleCall_3_0; }
+	}
+
+	public class ImportElements extends AbstractParserRuleElementFinder {
+		private final ParserRule rule = (ParserRule) GrammarUtil.findRuleForName(getGrammar(), "Import");
+		private final Group cGroup = (Group)rule.eContents().get(1);
+		private final Keyword cImportKeyword_0 = (Keyword)cGroup.eContents().get(0);
+		private final Assignment cImportedNamespaceAssignment_1 = (Assignment)cGroup.eContents().get(1);
+		private final RuleCall cImportedNamespaceImportNameParserRuleCall_1_0 = (RuleCall)cImportedNamespaceAssignment_1.eContents().get(0);
+		
+		//Import:
+		//	"import" importedNamespace=ImportName;
+		public ParserRule getRule() { return rule; }
+
+		//"import" importedNamespace=ImportName
+		public Group getGroup() { return cGroup; }
+
+		//"import"
+		public Keyword getImportKeyword_0() { return cImportKeyword_0; }
+
+		//importedNamespace=ImportName
+		public Assignment getImportedNamespaceAssignment_1() { return cImportedNamespaceAssignment_1; }
+
+		//ImportName
+		public RuleCall getImportedNamespaceImportNameParserRuleCall_1_0() { return cImportedNamespaceImportNameParserRuleCall_1_0; }
+	}
+
+	public class ImportNameElements extends AbstractParserRuleElementFinder {
+		private final ParserRule rule = (ParserRule) GrammarUtil.findRuleForName(getGrammar(), "ImportName");
+		private final Group cGroup = (Group)rule.eContents().get(1);
+		private final RuleCall cIDTerminalRuleCall_0 = (RuleCall)cGroup.eContents().get(0);
+		private final Group cGroup_1 = (Group)cGroup.eContents().get(1);
+		private final Keyword cFullStopKeyword_1_0 = (Keyword)cGroup_1.eContents().get(0);
+		private final Keyword cAsteriskKeyword_1_1 = (Keyword)cGroup_1.eContents().get(1);
+		
+		//ImportName:
+		//	ID ("." "*")?;
+		public ParserRule getRule() { return rule; }
+
+		//ID ("." "*")?
+		public Group getGroup() { return cGroup; }
+
+		//ID
+		public RuleCall getIDTerminalRuleCall_0() { return cIDTerminalRuleCall_0; }
+
+		//("." "*")?
+		public Group getGroup_1() { return cGroup_1; }
+
+		//"."
+		public Keyword getFullStopKeyword_1_0() { return cFullStopKeyword_1_0; }
+
+		//"*"
+		public Keyword getAsteriskKeyword_1_1() { return cAsteriskKeyword_1_1; }
+	}
+
+	public class StatementElements extends AbstractParserRuleElementFinder {
+		private final ParserRule rule = (ParserRule) GrammarUtil.findRuleForName(getGrammar(), "Statement");
+		private final Alternatives cAlternatives = (Alternatives)rule.eContents().get(1);
+		private final RuleCall cDefinitionParserRuleCall_0 = (RuleCall)cAlternatives.eContents().get(0);
+		private final RuleCall cEvaluationParserRuleCall_1 = (RuleCall)cAlternatives.eContents().get(1);
+		
+		//Statement:
+		//	Definition | Evaluation;
+		public ParserRule getRule() { return rule; }
+
+		//Definition | Evaluation
+		public Alternatives getAlternatives() { return cAlternatives; }
+
+		//Definition
+		public RuleCall getDefinitionParserRuleCall_0() { return cDefinitionParserRuleCall_0; }
+
+		//Evaluation
+		public RuleCall getEvaluationParserRuleCall_1() { return cEvaluationParserRuleCall_1; }
+	}
+
+	public class DefinitionElements extends AbstractParserRuleElementFinder {
+		private final ParserRule rule = (ParserRule) GrammarUtil.findRuleForName(getGrammar(), "Definition");
+		private final Group cGroup = (Group)rule.eContents().get(1);
+		private final Keyword cDefKeyword_0 = (Keyword)cGroup.eContents().get(0);
+		private final Assignment cNameAssignment_1 = (Assignment)cGroup.eContents().get(1);
+		private final RuleCall cNameIDTerminalRuleCall_1_0 = (RuleCall)cNameAssignment_1.eContents().get(0);
+		private final Group cGroup_2 = (Group)cGroup.eContents().get(2);
+		private final Keyword cLeftParenthesisKeyword_2_0 = (Keyword)cGroup_2.eContents().get(0);
+		private final Assignment cArgsAssignment_2_1 = (Assignment)cGroup_2.eContents().get(1);
+		private final RuleCall cArgsDeclaredParameterParserRuleCall_2_1_0 = (RuleCall)cArgsAssignment_2_1.eContents().get(0);
+		private final Group cGroup_2_2 = (Group)cGroup_2.eContents().get(2);
+		private final Keyword cCommaKeyword_2_2_0 = (Keyword)cGroup_2_2.eContents().get(0);
+		private final Assignment cArgsAssignment_2_2_1 = (Assignment)cGroup_2_2.eContents().get(1);
+		private final RuleCall cArgsDeclaredParameterParserRuleCall_2_2_1_0 = (RuleCall)cArgsAssignment_2_2_1.eContents().get(0);
+		private final Keyword cRightParenthesisKeyword_2_3 = (Keyword)cGroup_2.eContents().get(3);
+		private final Keyword cColonKeyword_3 = (Keyword)cGroup.eContents().get(3);
+		private final Assignment cExprAssignment_4 = (Assignment)cGroup.eContents().get(4);
+		private final RuleCall cExprExpressionParserRuleCall_4_0 = (RuleCall)cExprAssignment_4.eContents().get(0);
+		private final Keyword cSemicolonKeyword_5 = (Keyword)cGroup.eContents().get(5);
+		
+		//Definition:
+		//	"def" name=ID ("(" args+=DeclaredParameter ("," args+=DeclaredParameter)* ")")? ":" expr=Expression ";";
+		public ParserRule getRule() { return rule; }
+
+		//"def" name=ID ("(" args+=DeclaredParameter ("," args+=DeclaredParameter)* ")")? ":" expr=Expression ";"
+		public Group getGroup() { return cGroup; }
+
+		//"def"
+		public Keyword getDefKeyword_0() { return cDefKeyword_0; }
+
+		//name=ID
+		public Assignment getNameAssignment_1() { return cNameAssignment_1; }
+
+		//ID
+		public RuleCall getNameIDTerminalRuleCall_1_0() { return cNameIDTerminalRuleCall_1_0; }
+
+		//("(" args+=DeclaredParameter ("," args+=DeclaredParameter)* ")")?
+		public Group getGroup_2() { return cGroup_2; }
+
+		//"("
+		public Keyword getLeftParenthesisKeyword_2_0() { return cLeftParenthesisKeyword_2_0; }
+
+		//args+=DeclaredParameter
+		public Assignment getArgsAssignment_2_1() { return cArgsAssignment_2_1; }
+
+		//DeclaredParameter
+		public RuleCall getArgsDeclaredParameterParserRuleCall_2_1_0() { return cArgsDeclaredParameterParserRuleCall_2_1_0; }
+
+		//("," args+=DeclaredParameter)*
+		public Group getGroup_2_2() { return cGroup_2_2; }
+
+		//","
+		public Keyword getCommaKeyword_2_2_0() { return cCommaKeyword_2_2_0; }
+
+		//args+=DeclaredParameter
+		public Assignment getArgsAssignment_2_2_1() { return cArgsAssignment_2_2_1; }
+
+		//DeclaredParameter
+		public RuleCall getArgsDeclaredParameterParserRuleCall_2_2_1_0() { return cArgsDeclaredParameterParserRuleCall_2_2_1_0; }
+
+		//")"
+		public Keyword getRightParenthesisKeyword_2_3() { return cRightParenthesisKeyword_2_3; }
+
+		//":"
+		public Keyword getColonKeyword_3() { return cColonKeyword_3; }
+
+		//expr=Expression
+		public Assignment getExprAssignment_4() { return cExprAssignment_4; }
+
+		//Expression
+		public RuleCall getExprExpressionParserRuleCall_4_0() { return cExprExpressionParserRuleCall_4_0; }
+
+		//";"
+		public Keyword getSemicolonKeyword_5() { return cSemicolonKeyword_5; }
+	}
+
+	public class DeclaredParameterElements extends AbstractParserRuleElementFinder {
+		private final ParserRule rule = (ParserRule) GrammarUtil.findRuleForName(getGrammar(), "DeclaredParameter");
+		private final Assignment cNameAssignment = (Assignment)rule.eContents().get(1);
+		private final RuleCall cNameIDTerminalRuleCall_0 = (RuleCall)cNameAssignment.eContents().get(0);
+		
+		//DeclaredParameter:
+		//	name=ID;
+		public ParserRule getRule() { return rule; }
+
+		//name=ID
+		public Assignment getNameAssignment() { return cNameAssignment; }
+
+		//ID
+		public RuleCall getNameIDTerminalRuleCall_0() { return cNameIDTerminalRuleCall_0; }
+	}
+
+	public class AbstractDefinitionElements extends AbstractParserRuleElementFinder {
+		private final ParserRule rule = (ParserRule) GrammarUtil.findRuleForName(getGrammar(), "AbstractDefinition");
+		private final Alternatives cAlternatives = (Alternatives)rule.eContents().get(1);
+		private final RuleCall cDefinitionParserRuleCall_0 = (RuleCall)cAlternatives.eContents().get(0);
+		private final RuleCall cDeclaredParameterParserRuleCall_1 = (RuleCall)cAlternatives.eContents().get(1);
+		
+		//AbstractDefinition:
+		//	Definition | DeclaredParameter;
+		public ParserRule getRule() { return rule; }
+
+		//Definition | DeclaredParameter
+		public Alternatives getAlternatives() { return cAlternatives; }
+
+		//Definition
+		public RuleCall getDefinitionParserRuleCall_0() { return cDefinitionParserRuleCall_0; }
+
+		//DeclaredParameter
+		public RuleCall getDeclaredParameterParserRuleCall_1() { return cDeclaredParameterParserRuleCall_1; }
+	}
+
+	public class EvaluationElements extends AbstractParserRuleElementFinder {
+		private final ParserRule rule = (ParserRule) GrammarUtil.findRuleForName(getGrammar(), "Evaluation");
+		private final Group cGroup = (Group)rule.eContents().get(1);
+		private final Assignment cExpressionAssignment_0 = (Assignment)cGroup.eContents().get(0);
+		private final RuleCall cExpressionExpressionParserRuleCall_0_0 = (RuleCall)cExpressionAssignment_0.eContents().get(0);
+		private final Keyword cSemicolonKeyword_1 = (Keyword)cGroup.eContents().get(1);
+		
+		//Evaluation:
+		//	expression=Expression ";";
+		public ParserRule getRule() { return rule; }
+
+		//expression=Expression ";"
+		public Group getGroup() { return cGroup; }
+
+		//expression=Expression
+		public Assignment getExpressionAssignment_0() { return cExpressionAssignment_0; }
+
+		//Expression
+		public RuleCall getExpressionExpressionParserRuleCall_0_0() { return cExpressionExpressionParserRuleCall_0_0; }
+
+		//";"
+		public Keyword getSemicolonKeyword_1() { return cSemicolonKeyword_1; }
+	}
+
+	public class ExpressionElements extends AbstractParserRuleElementFinder {
+		private final ParserRule rule = (ParserRule) GrammarUtil.findRuleForName(getGrammar(), "Expression");
+		private final RuleCall cAdditionParserRuleCall = (RuleCall)rule.eContents().get(1);
+		
+		//Expression:
+		//	Addition;
+		public ParserRule getRule() { return rule; }
+
+		//Addition
+		public RuleCall getAdditionParserRuleCall() { return cAdditionParserRuleCall; }
+	}
+
+	public class AdditionElements extends AbstractParserRuleElementFinder {
+		private final ParserRule rule = (ParserRule) GrammarUtil.findRuleForName(getGrammar(), "Addition");
+		private final Group cGroup = (Group)rule.eContents().get(1);
+		private final RuleCall cMultiplicationParserRuleCall_0 = (RuleCall)cGroup.eContents().get(0);
+		private final Group cGroup_1 = (Group)cGroup.eContents().get(1);
+		private final Alternatives cAlternatives_1_0 = (Alternatives)cGroup_1.eContents().get(0);
+		private final Group cGroup_1_0_0 = (Group)cAlternatives_1_0.eContents().get(0);
+		private final Action cPlusLeftAction_1_0_0_0 = (Action)cGroup_1_0_0.eContents().get(0);
+		private final Keyword cPlusSignKeyword_1_0_0_1 = (Keyword)cGroup_1_0_0.eContents().get(1);
+		private final Group cGroup_1_0_1 = (Group)cAlternatives_1_0.eContents().get(1);
+		private final Action cMinusLeftAction_1_0_1_0 = (Action)cGroup_1_0_1.eContents().get(0);
+		private final Keyword cHyphenMinusKeyword_1_0_1_1 = (Keyword)cGroup_1_0_1.eContents().get(1);
+		private final Assignment cRightAssignment_1_1 = (Assignment)cGroup_1.eContents().get(1);
+		private final RuleCall cRightMultiplicationParserRuleCall_1_1_0 = (RuleCall)cRightAssignment_1_1.eContents().get(0);
+		
+		//Addition returns Expression:
+		//	Multiplication (({Plus.left=current} "+" | {Minus.left=current} "-") right=Multiplication)*;
+		public ParserRule getRule() { return rule; }
+
+		//Multiplication (({Plus.left=current} "+" | {Minus.left=current} "-") right=Multiplication)*
+		public Group getGroup() { return cGroup; }
+
+		//Multiplication
+		public RuleCall getMultiplicationParserRuleCall_0() { return cMultiplicationParserRuleCall_0; }
+
+		//(({Plus.left=current} "+" | {Minus.left=current} "-") right=Multiplication)*
+		public Group getGroup_1() { return cGroup_1; }
+
+		//{Plus.left=current} "+" | {Minus.left=current} "-"
+		public Alternatives getAlternatives_1_0() { return cAlternatives_1_0; }
+
+		//{Plus.left=current} "+"
+		public Group getGroup_1_0_0() { return cGroup_1_0_0; }
+
+		//{Plus.left=current}
+		public Action getPlusLeftAction_1_0_0_0() { return cPlusLeftAction_1_0_0_0; }
+
+		//"+"
+		public Keyword getPlusSignKeyword_1_0_0_1() { return cPlusSignKeyword_1_0_0_1; }
+
+		//{Minus.left=current} "-"
+		public Group getGroup_1_0_1() { return cGroup_1_0_1; }
+
+		//{Minus.left=current}
+		public Action getMinusLeftAction_1_0_1_0() { return cMinusLeftAction_1_0_1_0; }
+
+		//"-"
+		public Keyword getHyphenMinusKeyword_1_0_1_1() { return cHyphenMinusKeyword_1_0_1_1; }
+
+		//right=Multiplication
+		public Assignment getRightAssignment_1_1() { return cRightAssignment_1_1; }
+
+		//Multiplication
+		public RuleCall getRightMultiplicationParserRuleCall_1_1_0() { return cRightMultiplicationParserRuleCall_1_1_0; }
+	}
+
+	public class MultiplicationElements extends AbstractParserRuleElementFinder {
+		private final ParserRule rule = (ParserRule) GrammarUtil.findRuleForName(getGrammar(), "Multiplication");
+		private final Group cGroup = (Group)rule.eContents().get(1);
+		private final RuleCall cPrimaryExpressionParserRuleCall_0 = (RuleCall)cGroup.eContents().get(0);
+		private final Group cGroup_1 = (Group)cGroup.eContents().get(1);
+		private final Alternatives cAlternatives_1_0 = (Alternatives)cGroup_1.eContents().get(0);
+		private final Group cGroup_1_0_0 = (Group)cAlternatives_1_0.eContents().get(0);
+		private final Action cMultiLeftAction_1_0_0_0 = (Action)cGroup_1_0_0.eContents().get(0);
+		private final Keyword cAsteriskKeyword_1_0_0_1 = (Keyword)cGroup_1_0_0.eContents().get(1);
+		private final Group cGroup_1_0_1 = (Group)cAlternatives_1_0.eContents().get(1);
+		private final Action cDivLeftAction_1_0_1_0 = (Action)cGroup_1_0_1.eContents().get(0);
+		private final Keyword cSolidusKeyword_1_0_1_1 = (Keyword)cGroup_1_0_1.eContents().get(1);
+		private final Assignment cRightAssignment_1_1 = (Assignment)cGroup_1.eContents().get(1);
+		private final RuleCall cRightPrimaryExpressionParserRuleCall_1_1_0 = (RuleCall)cRightAssignment_1_1.eContents().get(0);
+		
+		//Multiplication returns Expression:
+		//	PrimaryExpression (({Multi.left=current} "*" | {Div.left=current} "/") right=PrimaryExpression)*;
+		public ParserRule getRule() { return rule; }
+
+		//PrimaryExpression (({Multi.left=current} "*" | {Div.left=current} "/") right=PrimaryExpression)*
+		public Group getGroup() { return cGroup; }
+
+		//PrimaryExpression
+		public RuleCall getPrimaryExpressionParserRuleCall_0() { return cPrimaryExpressionParserRuleCall_0; }
+
+		//(({Multi.left=current} "*" | {Div.left=current} "/") right=PrimaryExpression)*
+		public Group getGroup_1() { return cGroup_1; }
+
+		//{Multi.left=current} "*" | {Div.left=current} "/"
+		public Alternatives getAlternatives_1_0() { return cAlternatives_1_0; }
+
+		//{Multi.left=current} "*"
+		public Group getGroup_1_0_0() { return cGroup_1_0_0; }
+
+		//{Multi.left=current}
+		public Action getMultiLeftAction_1_0_0_0() { return cMultiLeftAction_1_0_0_0; }
+
+		//"*"
+		public Keyword getAsteriskKeyword_1_0_0_1() { return cAsteriskKeyword_1_0_0_1; }
+
+		//{Div.left=current} "/"
+		public Group getGroup_1_0_1() { return cGroup_1_0_1; }
+
+		//{Div.left=current}
+		public Action getDivLeftAction_1_0_1_0() { return cDivLeftAction_1_0_1_0; }
+
+		//"/"
+		public Keyword getSolidusKeyword_1_0_1_1() { return cSolidusKeyword_1_0_1_1; }
+
+		//right=PrimaryExpression
+		public Assignment getRightAssignment_1_1() { return cRightAssignment_1_1; }
+
+		//PrimaryExpression
+		public RuleCall getRightPrimaryExpressionParserRuleCall_1_1_0() { return cRightPrimaryExpressionParserRuleCall_1_1_0; }
+	}
+
+	public class PrimaryExpressionElements extends AbstractParserRuleElementFinder {
+		private final ParserRule rule = (ParserRule) GrammarUtil.findRuleForName(getGrammar(), "PrimaryExpression");
+		private final Alternatives cAlternatives = (Alternatives)rule.eContents().get(1);
+		private final Group cGroup_0 = (Group)cAlternatives.eContents().get(0);
+		private final Keyword cLeftParenthesisKeyword_0_0 = (Keyword)cGroup_0.eContents().get(0);
+		private final RuleCall cExpressionParserRuleCall_0_1 = (RuleCall)cGroup_0.eContents().get(1);
+		private final Keyword cRightParenthesisKeyword_0_2 = (Keyword)cGroup_0.eContents().get(2);
+		private final Group cGroup_1 = (Group)cAlternatives.eContents().get(1);
+		private final Action cNumberLiteralAction_1_0 = (Action)cGroup_1.eContents().get(0);
+		private final Assignment cValueAssignment_1_1 = (Assignment)cGroup_1.eContents().get(1);
+		private final RuleCall cValueNUMBERTerminalRuleCall_1_1_0 = (RuleCall)cValueAssignment_1_1.eContents().get(0);
+		private final Group cGroup_2 = (Group)cAlternatives.eContents().get(2);
+		private final Action cFunctionCallAction_2_0 = (Action)cGroup_2.eContents().get(0);
+		private final Assignment cFuncAssignment_2_1 = (Assignment)cGroup_2.eContents().get(1);
+		private final CrossReference cFuncAbstractDefinitionCrossReference_2_1_0 = (CrossReference)cFuncAssignment_2_1.eContents().get(0);
+		private final RuleCall cFuncAbstractDefinitionIDTerminalRuleCall_2_1_0_1 = (RuleCall)cFuncAbstractDefinitionCrossReference_2_1_0.eContents().get(1);
+		private final Group cGroup_2_2 = (Group)cGroup_2.eContents().get(2);
+		private final Keyword cLeftParenthesisKeyword_2_2_0 = (Keyword)cGroup_2_2.eContents().get(0);
+		private final Assignment cArgsAssignment_2_2_1 = (Assignment)cGroup_2_2.eContents().get(1);
+		private final RuleCall cArgsExpressionParserRuleCall_2_2_1_0 = (RuleCall)cArgsAssignment_2_2_1.eContents().get(0);
+		private final Group cGroup_2_2_2 = (Group)cGroup_2_2.eContents().get(2);
+		private final Keyword cCommaKeyword_2_2_2_0 = (Keyword)cGroup_2_2_2.eContents().get(0);
+		private final Assignment cArgsAssignment_2_2_2_1 = (Assignment)cGroup_2_2_2.eContents().get(1);
+		private final RuleCall cArgsExpressionParserRuleCall_2_2_2_1_0 = (RuleCall)cArgsAssignment_2_2_2_1.eContents().get(0);
+		private final Keyword cRightParenthesisKeyword_2_2_3 = (Keyword)cGroup_2_2.eContents().get(3);
+		
+		//PrimaryExpression returns Expression:
+		//	"(" Expression ")" | {NumberLiteral} value=NUMBER | {FunctionCall} func=[AbstractDefinition] ("(" args+=Expression
+		//	("," args+=Expression)* ")")?;
+		public ParserRule getRule() { return rule; }
+
+		//"(" Expression ")" | {NumberLiteral} value=NUMBER | {FunctionCall} func=[AbstractDefinition] ("(" args+=Expression (","
+		//args+=Expression)* ")")?
+		public Alternatives getAlternatives() { return cAlternatives; }
+
+		//"(" Expression ")"
+		public Group getGroup_0() { return cGroup_0; }
+
+		//"("
+		public Keyword getLeftParenthesisKeyword_0_0() { return cLeftParenthesisKeyword_0_0; }
+
+		//Expression
+		public RuleCall getExpressionParserRuleCall_0_1() { return cExpressionParserRuleCall_0_1; }
+
+		//")"
+		public Keyword getRightParenthesisKeyword_0_2() { return cRightParenthesisKeyword_0_2; }
+
+		//{NumberLiteral} value=NUMBER
+		public Group getGroup_1() { return cGroup_1; }
+
+		//{NumberLiteral}
+		public Action getNumberLiteralAction_1_0() { return cNumberLiteralAction_1_0; }
+
+		//value=NUMBER
+		public Assignment getValueAssignment_1_1() { return cValueAssignment_1_1; }
+
+		//NUMBER
+		public RuleCall getValueNUMBERTerminalRuleCall_1_1_0() { return cValueNUMBERTerminalRuleCall_1_1_0; }
+
+		//{FunctionCall} func=[AbstractDefinition] ("(" args+=Expression ("," args+=Expression)* ")")?
+		public Group getGroup_2() { return cGroup_2; }
+
+		//{FunctionCall}
+		public Action getFunctionCallAction_2_0() { return cFunctionCallAction_2_0; }
+
+		//func=[AbstractDefinition]
+		public Assignment getFuncAssignment_2_1() { return cFuncAssignment_2_1; }
+
+		//[AbstractDefinition]
+		public CrossReference getFuncAbstractDefinitionCrossReference_2_1_0() { return cFuncAbstractDefinitionCrossReference_2_1_0; }
+
+		//ID
+		public RuleCall getFuncAbstractDefinitionIDTerminalRuleCall_2_1_0_1() { return cFuncAbstractDefinitionIDTerminalRuleCall_2_1_0_1; }
+
+		//("(" args+=Expression ("," args+=Expression)* ")")?
+		public Group getGroup_2_2() { return cGroup_2_2; }
+
+		//"("
+		public Keyword getLeftParenthesisKeyword_2_2_0() { return cLeftParenthesisKeyword_2_2_0; }
+
+		//args+=Expression
+		public Assignment getArgsAssignment_2_2_1() { return cArgsAssignment_2_2_1; }
+
+		//Expression
+		public RuleCall getArgsExpressionParserRuleCall_2_2_1_0() { return cArgsExpressionParserRuleCall_2_2_1_0; }
+
+		//("," args+=Expression)*
+		public Group getGroup_2_2_2() { return cGroup_2_2_2; }
+
+		//","
+		public Keyword getCommaKeyword_2_2_2_0() { return cCommaKeyword_2_2_2_0; }
+
+		//args+=Expression
+		public Assignment getArgsAssignment_2_2_2_1() { return cArgsAssignment_2_2_2_1; }
+
+		//Expression
+		public RuleCall getArgsExpressionParserRuleCall_2_2_2_1_0() { return cArgsExpressionParserRuleCall_2_2_2_1_0; }
+
+		//")"
+		public Keyword getRightParenthesisKeyword_2_2_3() { return cRightParenthesisKeyword_2_2_3; }
+	}
+	
+	
+	private ModuleElements pModule;
+	private ImportElements pImport;
+	private ImportNameElements pImportName;
+	private StatementElements pStatement;
+	private DefinitionElements pDefinition;
+	private DeclaredParameterElements pDeclaredParameter;
+	private AbstractDefinitionElements pAbstractDefinition;
+	private EvaluationElements pEvaluation;
+	private ExpressionElements pExpression;
+	private AdditionElements pAddition;
+	private MultiplicationElements pMultiplication;
+	private PrimaryExpressionElements pPrimaryExpression;
+	private TerminalRule tNUMBER;
+	private TerminalRule tINT;
+	
+	private final GrammarProvider grammarProvider;
+
+	private TerminalsGrammarAccess gaTerminals;
+
+	@Inject
+	public ArithmeticsGrammarAccess(GrammarProvider grammarProvider,
+		TerminalsGrammarAccess gaTerminals) {
+		this.grammarProvider = grammarProvider;
+		this.gaTerminals = gaTerminals;
+	}
+	
+	public Grammar getGrammar() {	
+		return grammarProvider.getGrammar(this);
+	}
+	
+
+	public TerminalsGrammarAccess getTerminalsGrammarAccess() {
+		return gaTerminals;
+	}
+
+	
+	//Module:
+	//	"module" name=ID imports+=Import* statements+=Statement*;
+	public ModuleElements getModuleAccess() {
+		return (pModule != null) ? pModule : (pModule = new ModuleElements());
+	}
+	
+	public ParserRule getModuleRule() {
+		return getModuleAccess().getRule();
+	}
+
+	//Import:
+	//	"import" importedNamespace=ImportName;
+	public ImportElements getImportAccess() {
+		return (pImport != null) ? pImport : (pImport = new ImportElements());
+	}
+	
+	public ParserRule getImportRule() {
+		return getImportAccess().getRule();
+	}
+
+	//ImportName:
+	//	ID ("." "*")?;
+	public ImportNameElements getImportNameAccess() {
+		return (pImportName != null) ? pImportName : (pImportName = new ImportNameElements());
+	}
+	
+	public ParserRule getImportNameRule() {
+		return getImportNameAccess().getRule();
+	}
+
+	//Statement:
+	//	Definition | Evaluation;
+	public StatementElements getStatementAccess() {
+		return (pStatement != null) ? pStatement : (pStatement = new StatementElements());
+	}
+	
+	public ParserRule getStatementRule() {
+		return getStatementAccess().getRule();
+	}
+
+	//Definition:
+	//	"def" name=ID ("(" args+=DeclaredParameter ("," args+=DeclaredParameter)* ")")? ":" expr=Expression ";";
+	public DefinitionElements getDefinitionAccess() {
+		return (pDefinition != null) ? pDefinition : (pDefinition = new DefinitionElements());
+	}
+	
+	public ParserRule getDefinitionRule() {
+		return getDefinitionAccess().getRule();
+	}
+
+	//DeclaredParameter:
+	//	name=ID;
+	public DeclaredParameterElements getDeclaredParameterAccess() {
+		return (pDeclaredParameter != null) ? pDeclaredParameter : (pDeclaredParameter = new DeclaredParameterElements());
+	}
+	
+	public ParserRule getDeclaredParameterRule() {
+		return getDeclaredParameterAccess().getRule();
+	}
+
+	//AbstractDefinition:
+	//	Definition | DeclaredParameter;
+	public AbstractDefinitionElements getAbstractDefinitionAccess() {
+		return (pAbstractDefinition != null) ? pAbstractDefinition : (pAbstractDefinition = new AbstractDefinitionElements());
+	}
+	
+	public ParserRule getAbstractDefinitionRule() {
+		return getAbstractDefinitionAccess().getRule();
+	}
+
+	//Evaluation:
+	//	expression=Expression ";";
+	public EvaluationElements getEvaluationAccess() {
+		return (pEvaluation != null) ? pEvaluation : (pEvaluation = new EvaluationElements());
+	}
+	
+	public ParserRule getEvaluationRule() {
+		return getEvaluationAccess().getRule();
+	}
+
+	//Expression:
+	//	Addition;
+	public ExpressionElements getExpressionAccess() {
+		return (pExpression != null) ? pExpression : (pExpression = new ExpressionElements());
+	}
+	
+	public ParserRule getExpressionRule() {
+		return getExpressionAccess().getRule();
+	}
+
+	//Addition returns Expression:
+	//	Multiplication (({Plus.left=current} "+" | {Minus.left=current} "-") right=Multiplication)*;
+	public AdditionElements getAdditionAccess() {
+		return (pAddition != null) ? pAddition : (pAddition = new AdditionElements());
+	}
+	
+	public ParserRule getAdditionRule() {
+		return getAdditionAccess().getRule();
+	}
+
+	//Multiplication returns Expression:
+	//	PrimaryExpression (({Multi.left=current} "*" | {Div.left=current} "/") right=PrimaryExpression)*;
+	public MultiplicationElements getMultiplicationAccess() {
+		return (pMultiplication != null) ? pMultiplication : (pMultiplication = new MultiplicationElements());
+	}
+	
+	public ParserRule getMultiplicationRule() {
+		return getMultiplicationAccess().getRule();
+	}
+
+	//PrimaryExpression returns Expression:
+	//	"(" Expression ")" | {NumberLiteral} value=NUMBER | {FunctionCall} func=[AbstractDefinition] ("(" args+=Expression
+	//	("," args+=Expression)* ")")?;
+	public PrimaryExpressionElements getPrimaryExpressionAccess() {
+		return (pPrimaryExpression != null) ? pPrimaryExpression : (pPrimaryExpression = new PrimaryExpressionElements());
+	}
+	
+	public ParserRule getPrimaryExpressionRule() {
+		return getPrimaryExpressionAccess().getRule();
+	}
+
+	//terminal NUMBER returns ecore::EBigDecimal:
+	//	"0".."9"* ("." "0".."9"+)?;
+	public TerminalRule getNUMBERRule() {
+		return (tNUMBER != null) ? tNUMBER : (tNUMBER = (TerminalRule) GrammarUtil.findRuleForName(getGrammar(), "NUMBER"));
+	} 
+
+	//terminal INT returns ecore::EInt:
+	//	"this one has been deactivated";
+	public TerminalRule getINTRule() {
+		return (tINT != null) ? tINT : (tINT = (TerminalRule) GrammarUtil.findRuleForName(getGrammar(), "INT"));
+	} 
+
+	//terminal ID:
+	//	"^"? ("a".."z" | "A".."Z" | "_") ("a".."z" | "A".."Z" | "_" | "0".."9")*;
+	public TerminalRule getIDRule() {
+		return gaTerminals.getIDRule();
+	} 
+
+	//terminal STRING:
+	//	"\"" ("\\" ("b" | "t" | "n" | "f" | "r" | "u" | "\"" | "\'" | "\\") | !("\\" | "\""))* "\"" | "\'" ("\\" ("b" | "t" |
+	//	"n" | "f" | "r" | "u" | "\"" | "\'" | "\\") | !("\\" | "\'"))* "\'";
+	public TerminalRule getSTRINGRule() {
+		return gaTerminals.getSTRINGRule();
+	} 
+
+	//terminal ML_COMMENT:
+	//	"/ *"->"* /";
+	public TerminalRule getML_COMMENTRule() {
+		return gaTerminals.getML_COMMENTRule();
+	} 
+
+	//terminal SL_COMMENT:
+	//	"//" !("\n" | "\r")* ("\r"? "\n")?;
+	public TerminalRule getSL_COMMENTRule() {
+		return gaTerminals.getSL_COMMENTRule();
+	} 
+
+	//terminal WS:
+	//	(" " | "\t" | "\r" | "\n")+;
+	public TerminalRule getWSRule() {
+		return gaTerminals.getWSRule();
+	} 
+
+	//terminal ANY_OTHER:
+	//	.;
+	public TerminalRule getANY_OTHERRule() {
+		return gaTerminals.getANY_OTHERRule();
+	} 
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/validation/AbstractArithmeticsJavaValidator.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/validation/AbstractArithmeticsJavaValidator.java
new file mode 100644
index 0000000..ed8bcf9
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src-gen/org/eclipse/xtext/example/arithmetics/validation/AbstractArithmeticsJavaValidator.java
@@ -0,0 +1,20 @@
+package org.eclipse.xtext.example.arithmetics.validation;
+ 
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.xtext.validation.AbstractDeclarativeValidator;
+import org.eclipse.xtext.validation.ComposedChecks;
+
+@ComposedChecks(validators= {org.eclipse.xtext.validation.ImportUriValidator.class, org.eclipse.xtext.validation.NamesAreUniqueValidator.class})
+public class AbstractArithmeticsJavaValidator extends AbstractDeclarativeValidator {
+
+	@Override
+	protected List<EPackage> getEPackages() {
+	    List<EPackage> result = new ArrayList<EPackage>();
+	    result.add(org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage.eINSTANCE);
+		return result;
+	}
+
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/Arithmetics.mwe2 b/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/Arithmetics.mwe2
new file mode 100644
index 0000000..33b2773
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/Arithmetics.mwe2
@@ -0,0 +1,91 @@
+/*******************************************************************************
+ * Copyright (c) 2010 itemis AG (http://www.itemis.eu) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+module org.eclipse.xtext.example.arithmetics.Arithmetics
+
+import org.eclipse.emf.mwe.utils.*
+import org.eclipse.xtext.generator.*
+import org.eclipse.xtext.ui.generator.*
+
+var grammarURI = "classpath:/org/eclipse/xtext/example/arithmetics/Arithmetics.xtext"
+var file.extensions = "calc"
+var projectName = "org.eclipse.xtext.example.arithmetics"
+var runtimeProject = "../${projectName}"
+
+Workflow {
+	bean = StandaloneSetup {
+		platformUri = "${runtimeProject}/../.."
+	}
+
+	component = DirectoryCleaner {
+		directory = "${runtimeProject}/src-gen"
+	}
+
+	component = DirectoryCleaner {
+		directory = "${runtimeProject}.ui/src-gen"
+	}
+
+	component = Generator {
+		pathRtProject = runtimeProject
+		pathUiProject = "${runtimeProject}.ui"
+		projectNameRt = projectName
+		projectNameUi = "${projectName}.ui"
+		language = LanguageConfig {
+			uri = grammarURI
+			fileExtensions = file.extensions
+
+			// Java API to access grammar elements (required by several other fragments)
+			fragment = grammarAccess.GrammarAccessFragment {}
+
+			// generates Java API for the generated EPackages 
+			fragment = ecore.EcoreGeneratorFragment {}
+
+			// the serialization component
+			fragment = serializer.SerializerFragment {
+				srcGenOnly=true
+			}
+
+			// a custom ResourceFactory for use with EMF 
+			fragment = resourceFactory.ResourceFactoryFragment {
+				fileExtensions = file.extensions
+			}
+
+			// the following fragment tries to use the Antlr Generator fragment which can be installed via update manager from http://download.itemis.com/updates/
+			fragment = parser.antlr.XtextAntlrGeneratorFragment {}
+
+			// java-based API for validation 
+			fragment = validation.JavaValidatorFragment {
+				composedCheck = "org.eclipse.xtext.validation.ImportUriValidator"
+				composedCheck = "org.eclipse.xtext.validation.NamesAreUniqueValidator"
+			}
+
+			// scoping and exporting API 
+			fragment = scoping.ImportNamespacesScopingFragment {}
+			fragment = exporting.QualifiedNamesFragment {}
+
+			// formatter API 
+			fragment = formatting.FormatterFragment {}
+
+			// labeling API 
+			fragment = labeling.LabelProviderFragment {}
+
+			// outline API 
+			fragment = outline.OutlineTreeProviderFragment {}
+			fragment = outline.QuickOutlineFragment {}
+
+			// java-based API for content assistance 
+			fragment = contentAssist.JavaBasedContentAssistFragment {}
+
+			fragment = parser.antlr.XtextAntlrUiGeneratorFragment {}
+
+			fragment = builder.BuilderIntegrationFragment {}
+
+			// quickfix API 
+			fragment = quickfix.QuickfixProviderFragment {}
+		}
+	}
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/Arithmetics.xtext b/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/Arithmetics.xtext
new file mode 100644
index 0000000..a4634ff
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/Arithmetics.xtext
@@ -0,0 +1,58 @@
+/*******************************************************************************
+ * Copyright (c) 2010 itemis AG (http://www.itemis.eu) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+grammar org.eclipse.xtext.example.arithmetics.Arithmetics with org.eclipse.xtext.common.Terminals
+
+import "http://www.eclipse.org/emf/2002/Ecore" as ecore
+generate arithmetics "http://www.eclipse.org/Xtext/example/Arithmetics"
+
+Module:
+	'module' name=ID
+	(imports+=Import)*
+	(statements+=Statement)*;
+
+Import:
+	'import' importedNamespace=ImportName;
+
+ImportName:
+	ID ('.' '*')?;
+
+Statement:
+	Definition | Evaluation;
+
+Definition:
+	'def' name=ID ('(' args+=DeclaredParameter (',' args+=DeclaredParameter)* ')')?
+	':' expr=Expression ';';
+
+DeclaredParameter:
+	name=ID;
+
+AbstractDefinition:
+	Definition | DeclaredParameter;
+
+Evaluation:
+	expression=Expression ';';
+
+Expression:
+	Addition;
+
+Addition returns Expression:
+	Multiplication (({Plus.left=current} '+' | {Minus.left=current} '-') right=Multiplication)*;
+
+Multiplication returns Expression:
+	PrimaryExpression (({Multi.left=current} '*' | {Div.left=current} '/') right=PrimaryExpression)*;
+
+PrimaryExpression returns Expression:
+	'(' Expression ')' |
+	{NumberLiteral} value=NUMBER |
+	{FunctionCall} func=[AbstractDefinition] ('(' args+=Expression (',' args+=Expression)* ')')?;
+
+terminal NUMBER returns ecore::EBigDecimal:
+	('0'..'9')* ('.' ('0'..'9')+)?;
+
+terminal INT returns ecore::EInt:
+	'this one has been deactivated';
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/ArithmeticsRuntimeModule.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/ArithmeticsRuntimeModule.java
new file mode 100644
index 0000000..bb5f66e
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/ArithmeticsRuntimeModule.java
@@ -0,0 +1,27 @@
+/*******************************************************************************
+ * Copyright (c) 2010 itemis AG (http://www.itemis.eu) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+package org.eclipse.xtext.example.arithmetics;
+
+import org.eclipse.xtext.example.arithmetics.scoping.NameProvider;
+import org.eclipse.xtext.linking.ILinkingService;
+import org.eclipse.xtext.naming.IQualifiedNameProvider;
+
+
+public class ArithmeticsRuntimeModule extends AbstractArithmeticsRuntimeModule {
+
+	@Override
+	public Class<? extends IQualifiedNameProvider> bindIQualifiedNameProvider() {
+		return NameProvider.class;
+	}
+	
+	@Override
+	public Class<? extends ILinkingService> bindILinkingService() {
+		return org.eclipse.xtext.example.arithmetics.scoping.LinkingService.class;
+	}
+	
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/ArithmeticsStandaloneSetup.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/ArithmeticsStandaloneSetup.java
new file mode 100644
index 0000000..9e17a7d
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/ArithmeticsStandaloneSetup.java
@@ -0,0 +1,14 @@
+
+package org.eclipse.xtext.example.arithmetics;
+
+/**
+ * Initialization support for running Xtext languages 
+ * without equinox extension registry
+ */
+public class ArithmeticsStandaloneSetup extends ArithmeticsStandaloneSetupGenerated{
+
+	public static void doSetup() {
+		new ArithmeticsStandaloneSetup().createInjectorAndDoEMFRegistration();
+	}
+}
+
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/formatting/ArithmeticsFormatter.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/formatting/ArithmeticsFormatter.java
new file mode 100644
index 0000000..228d816
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/formatting/ArithmeticsFormatter.java
@@ -0,0 +1,26 @@
+/*******************************************************************************
+ * Copyright (c) 2010 itemis AG (http://www.itemis.eu) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+package org.eclipse.xtext.example.arithmetics.formatting;
+
+import org.eclipse.xtext.formatting.impl.AbstractDeclarativeFormatter;
+import org.eclipse.xtext.formatting.impl.FormattingConfig;
+
+/**
+ * This class contains custom formatting description.
+ * 
+ * see : http://www.eclipse.org/Xtext/documentation/latest/xtext.html#formatting
+ * on how and when to use it 
+ * 
+ * Also see org.eclipse.xtext.xtext.XtextFormatter as an example
+ */
+public class ArithmeticsFormatter extends AbstractDeclarativeFormatter {
+	
+	@Override
+	protected void configureFormatting(FormattingConfig c) {
+	}
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/interpreter/Calculator.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/interpreter/Calculator.java
new file mode 100644
index 0000000..b92565d
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/interpreter/Calculator.java
@@ -0,0 +1,87 @@
+/*******************************************************************************
+ * Copyright (c) 2010 itemis AG (http://www.itemis.eu) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+
+package org.eclipse.xtext.example.arithmetics.interpreter;
+
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+import java.util.Map;
+
+import org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage;
+import org.eclipse.xtext.example.arithmetics.arithmetics.DeclaredParameter;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Definition;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Div;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Expression;
+import org.eclipse.xtext.example.arithmetics.arithmetics.FunctionCall;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Minus;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Multi;
+import org.eclipse.xtext.example.arithmetics.arithmetics.NumberLiteral;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Plus;
+import org.eclipse.xtext.util.PolymorphicDispatcher;
+
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.Maps;
+
+/**
+ * an interpreter for instances of EClasses of the {@link ArithmeticsPackage}.
+ * 
+ * It internally uses a polymorphic dispatcher to dispatch between the implementations for the different EClasses.
+ * 
+ * @author Sven Efftinge - initial contribution and API
+ */
+public class Calculator {
+	
+	private PolymorphicDispatcher<BigDecimal> dispatcher = PolymorphicDispatcher.createForSingleTarget("internalEvaluate", 2, 2, this);
+	
+	public BigDecimal evaluate(Expression obj) {
+		return evaluate(obj, ImmutableMap.<String,BigDecimal>of());
+	}
+	
+	public BigDecimal evaluate(Expression obj, ImmutableMap<String,BigDecimal> values) {
+		BigDecimal invoke = dispatcher.invoke(obj, values);
+		return invoke;
+	}
+	
+	protected BigDecimal internalEvaluate(Expression e, ImmutableMap<String,BigDecimal> values) { 
+		throw new UnsupportedOperationException(e.toString());
+	}
+	
+	protected BigDecimal internalEvaluate(NumberLiteral e, ImmutableMap<String,BigDecimal> values) { 
+		return e.getValue();
+	}
+	
+	protected BigDecimal internalEvaluate(FunctionCall e, ImmutableMap<String,BigDecimal> values) {
+		if (e.getFunc() instanceof DeclaredParameter) {
+			return values.get(e.getFunc().getName());
+		} 
+		Definition d = (Definition) e.getFunc();
+		Map<String,BigDecimal> params = Maps.newHashMap();
+		for (int i=0; i<e.getArgs().size();i++) {
+			DeclaredParameter declaredParameter = d.getArgs().get(i);
+			BigDecimal evaluate = evaluate(e.getArgs().get(i), values);
+			params.put(declaredParameter.getName(), evaluate);
+		}
+		return evaluate(d.getExpr(),ImmutableMap.copyOf(params));
+	}
+	
+	protected BigDecimal internalEvaluate(Plus plus, ImmutableMap<String,BigDecimal> values) {
+		return evaluate(plus.getLeft(),values).add(evaluate(plus.getRight(),values));
+	}
+	protected BigDecimal internalEvaluate(Minus minus, ImmutableMap<String,BigDecimal> values) {
+		return evaluate(minus.getLeft(),values).subtract(evaluate(minus.getRight(),values));
+	}
+	protected BigDecimal internalEvaluate(Div div, ImmutableMap<String,BigDecimal> values) {
+		BigDecimal left = evaluate(div.getLeft(),values);
+		BigDecimal right = evaluate(div.getRight(),values);
+		return left.divide(right,20,RoundingMode.HALF_UP);
+	}
+	protected BigDecimal internalEvaluate(Multi multi, ImmutableMap<String,BigDecimal> values) {
+		return evaluate(multi.getLeft(),values).multiply(evaluate(multi.getRight(),values));
+	}
+	
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/scoping/ArithmeticsScopeProvider.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/scoping/ArithmeticsScopeProvider.java
new file mode 100644
index 0000000..f51240e
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/scoping/ArithmeticsScopeProvider.java
@@ -0,0 +1,38 @@
+/*******************************************************************************
+ * Copyright (c) 2010 itemis AG (http://www.itemis.eu) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+package org.eclipse.xtext.example.arithmetics.scoping;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EReference;
+import org.eclipse.xtext.resource.IEObjectDescription;
+import org.eclipse.xtext.scoping.IScope;
+import org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider;
+import org.eclipse.xtext.scoping.impl.FilteringScope;
+
+import com.google.common.base.Predicate;
+
+/**
+ * @author Jan Koehnlein - introduced QualifiedName
+ */
+public class ArithmeticsScopeProvider extends AbstractDeclarativeScopeProvider {
+	
+	/**
+	 * we delegate to the default but filter out all descriptions with a qualified name (i.e. with '.' in the name)
+	 */
+	@Override
+	public IScope getScope(EObject context, EReference reference) {
+		IScope scope = super.getScope(context, reference);
+		return new FilteringScope(scope,
+				new Predicate<IEObjectDescription>() {
+					public boolean apply(IEObjectDescription input) {
+						return input!=null && input.getName()!=null && input.getName().getSegmentCount()==1;
+					};
+				});
+	}
+
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/scoping/LinkingService.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/scoping/LinkingService.java
new file mode 100644
index 0000000..e2260b7
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/scoping/LinkingService.java
@@ -0,0 +1,41 @@
+/*******************************************************************************
+ * Copyright (c) 2010 itemis AG (http://www.itemis.eu) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+package org.eclipse.xtext.example.arithmetics.scoping;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.example.arithmetics.arithmetics.FunctionCall;
+import org.eclipse.xtext.linking.impl.DefaultLinkingService;
+import org.eclipse.xtext.linking.impl.IllegalNodeException;
+import org.eclipse.xtext.nodemodel.INode;
+
+/**
+ * Changes the link text to contain the whole signature of a function.
+ *  
+ * @author Sven Efftinge - initial contribution and API
+ */
+public class LinkingService extends DefaultLinkingService {
+	
+	@Override
+	public String getCrossRefNodeAsString(INode node) throws IllegalNodeException {
+		String result = super.getCrossRefNodeAsString(node); 
+		EObject element = node.getSemanticElement();
+		if (element instanceof FunctionCall) {
+			FunctionCall fc = (FunctionCall) element;
+			if (!fc.getArgs().isEmpty()) {
+				result += "(";
+				for(int i=0;i<fc.getArgs().size();i++) {
+					result+="arg"+(i+1);
+					if (i+1<fc.getArgs().size())
+						result+=",";
+				}
+				result += ")";
+			}
+		}
+		return result;
+	}
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/scoping/NameProvider.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/scoping/NameProvider.java
new file mode 100644
index 0000000..3aca661
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/scoping/NameProvider.java
@@ -0,0 +1,71 @@
+/*******************************************************************************
+ * Copyright (c) 2010 itemis AG (http://www.itemis.eu) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+package org.eclipse.xtext.example.arithmetics.scoping;
+
+import java.util.Iterator;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.example.arithmetics.arithmetics.DeclaredParameter;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Definition;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Module;
+import org.eclipse.xtext.example.arithmetics.arithmetics.util.ArithmeticsSwitch;
+import org.eclipse.xtext.naming.IQualifiedNameConverter;
+import org.eclipse.xtext.naming.IQualifiedNameProvider;
+import org.eclipse.xtext.naming.QualifiedName;
+
+import com.google.inject.Inject;
+
+/**
+ * changes the exported name of a function to be the signature and not just the simple name.
+ *   
+ * @author Sven Efftinge - initial contribution and API
+ * @author Jan Koehnlein - introduced QualifiedName
+ */
+public class NameProvider extends IQualifiedNameProvider.AbstractImpl {
+	
+	@Inject
+	private IQualifiedNameConverter qualifiedNameConverter;
+	
+	public QualifiedName getFullyQualifiedName(EObject obj) {
+		String name = new ArithmeticsSwitch<String>() {
+
+			public String caseModule(Module object) {
+				return object.getName();
+			}
+
+			public String caseDefinition(Definition object) {
+				StringBuilder sb = new StringBuilder();
+				sb.append(doSwitch(object.eContainer()));
+				sb.append(".");
+				sb.append(object.getName());
+				if (!object.getArgs().isEmpty()) {
+					sb.append("(");
+					Iterator<DeclaredParameter> iter = object.getArgs()
+							.iterator();
+					int i = 1;
+					while (iter.hasNext()) {
+						iter.next();
+						sb.append("arg" + (i++));
+						if (iter.hasNext())
+							sb.append(",");
+					}
+					sb.append(")");
+				}
+				return sb.toString();
+			}
+
+			public String caseDeclaredParameter(DeclaredParameter object) {
+				return doSwitch(object.eContainer()) + "." + object.getName();
+			}
+
+		}.doSwitch(obj);
+		if(name == null)
+			return null;
+		return qualifiedNameConverter.toQualifiedName(name);
+	}
+}
\ No newline at end of file
diff --git a/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/validation/ArithmeticsJavaValidator.java b/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/validation/ArithmeticsJavaValidator.java
new file mode 100644
index 0000000..a5928f0
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.arithmetics/src/org/eclipse/xtext/example/arithmetics/validation/ArithmeticsJavaValidator.java
@@ -0,0 +1,74 @@
+/*******************************************************************************
+ * Copyright (c) 2010 itemis AG (http://www.itemis.eu) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+
+package org.eclipse.xtext.example.arithmetics.validation;
+
+import java.math.BigDecimal;
+
+import org.eclipse.emf.common.util.TreeIterator;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.EcoreUtil2;
+import org.eclipse.xtext.example.arithmetics.arithmetics.ArithmeticsPackage;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Div;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Evaluation;
+import org.eclipse.xtext.example.arithmetics.arithmetics.Expression;
+import org.eclipse.xtext.example.arithmetics.arithmetics.FunctionCall;
+import org.eclipse.xtext.example.arithmetics.arithmetics.NumberLiteral;
+import org.eclipse.xtext.example.arithmetics.interpreter.Calculator;
+import org.eclipse.xtext.validation.Check;
+import org.eclipse.xtext.validation.ValidationMessageAcceptor;
+
+import com.google.inject.Inject;
+ 
+
+/**
+ * @author Sven Efftinge - initial contribution and API
+ */
+public class ArithmeticsJavaValidator extends AbstractArithmeticsJavaValidator {
+	
+	@Inject
+	private Calculator calculator;
+
+	@Check
+	public void checkDivByZero(Div div) {
+		BigDecimal bigDecimal = calculator.evaluate(div.getRight());
+		if (bigDecimal.doubleValue()==0.0) 
+			error("Division by zero detected.", ArithmeticsPackage.Literals.DIV__RIGHT);
+	}
+	
+	public final static String NORMALIZABLE = "normalizable-expression";
+	@Check
+	public void checkNormalizable(Expression expr) {
+		// ignore literals
+		if ((expr instanceof NumberLiteral) 
+			|| (expr instanceof FunctionCall)
+			) 
+			return;
+		// ignore evaluations
+		if (EcoreUtil2.getContainerOfType(expr, Evaluation.class)!=null)
+			return;
+		
+		TreeIterator<EObject> contents = expr.eAllContents();
+		while(contents.hasNext()) {
+			EObject next = contents.next();
+			if (next instanceof FunctionCall) {
+				return;
+			}
+		}
+		BigDecimal decimal = calculator.evaluate(expr);
+		if (decimal.toString().length()<=8) {
+			warning(
+					"Expression could be normalized to constant '"+decimal+"'", 
+					null,
+					ValidationMessageAcceptor.INSIGNIFICANT_INDEX,
+					NORMALIZABLE,
+					decimal.toString());
+		}
+	}
+
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/.classpath b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/.classpath
new file mode 100644
index 0000000..7e8449d
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/.classpath
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="src-gen"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/.project b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/.project
new file mode 100644
index 0000000..ecee337
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/.project
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>org.eclipse.xtext.example.fowlerdsl.ui</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ManifestBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.SchemaBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.pde.PluginNature</nature>
+	</natures>
+</projectDescription>
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/.settings/org.eclipse.core.resources.prefs b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/.settings/org.eclipse.core.resources.prefs
new file mode 100644
index 0000000..99f26c0
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/.settings/org.eclipse.core.resources.prefs
@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+encoding/<project>=UTF-8
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/META-INF/MANIFEST.MF b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/META-INF/MANIFEST.MF
new file mode 100644
index 0000000..6ef8460
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/META-INF/MANIFEST.MF
@@ -0,0 +1,25 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: org.eclipse.xtext.example.fowlerdsl.ui
+Bundle-Vendor: My Company
+Bundle-Version: 1.0.0
+Bundle-SymbolicName: org.eclipse.xtext.example.fowlerdsl.ui; singleton:=true
+Bundle-ActivationPolicy: lazy
+Require-Bundle: org.eclipse.xtext.example.fowlerdsl;visibility:=reexport,
+ org.eclipse.xtext.ui,
+ org.eclipse.ui.editors;bundle-version="3.5.0",
+ org.eclipse.ui.ide;bundle-version="3.5.0",
+ org.eclipse.xtext.ui.shared,
+ org.eclipse.ui,
+ org.eclipse.xtext.builder,
+ org.antlr.runtime;bundle-version="[3.2.0,3.2.1)",
+ org.eclipse.xtext.common.types.ui,
+ org.eclipse.xtext.ui.codetemplates.ui,
+ org.eclipse.compare
+Import-Package: org.apache.log4j,
+ org.apache.commons.logging
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
+Export-Package: org.eclipse.xtext.example.fowlerdsl.ui.contentassist.antlr,
+ org.eclipse.xtext.example.fowlerdsl.ui.internal,
+ org.eclipse.xtext.example.fowlerdsl.ui.contentassist
+Bundle-Activator: org.eclipse.xtext.example.fowlerdsl.ui.internal.StatemachineActivator
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/build.properties b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/build.properties
new file mode 100644
index 0000000..e10dcce
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/build.properties
@@ -0,0 +1,5 @@
+source.. = src/,\
+          src-gen/
+bin.includes = META-INF/,\
+               .,\
+               plugin.xml
\ No newline at end of file
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/plugin.xml b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/plugin.xml
new file mode 100644
index 0000000..e91cf1e
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/plugin.xml
@@ -0,0 +1,323 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.0"?>
+
+<plugin>
+
+    <extension
+            point="org.eclipse.ui.editors">
+        <editor
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.XtextEditor"
+            contributorClass="org.eclipse.ui.editors.text.TextEditorActionContributor"
+            default="true"
+            extensions="statemachine"
+            id="org.eclipse.xtext.example.fowlerdsl.Statemachine"
+            name="Statemachine Editor">
+        </editor>
+    </extension>
+    <extension
+        point="org.eclipse.ui.handlers">
+        <handler
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.hyperlinking.OpenDeclarationHandler"
+            commandId="org.eclipse.xtext.ui.editor.hyperlinking.OpenDeclaration">
+            <activeWhen>
+                <reference
+                    definitionId="org.eclipse.xtext.example.fowlerdsl.Statemachine.Editor.opened">
+                </reference>
+            </activeWhen>
+        </handler>
+        <handler
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.handler.ValidateActionHandler"
+            commandId="org.eclipse.xtext.example.fowlerdsl.Statemachine.validate">
+         <activeWhen>
+            <reference
+                    definitionId="org.eclipse.xtext.example.fowlerdsl.Statemachine.Editor.opened">
+            </reference>
+         </activeWhen>
+      </handler>
+    </extension>
+    <extension point="org.eclipse.core.expressions.definitions">
+        <definition id="org.eclipse.xtext.example.fowlerdsl.Statemachine.Editor.opened">
+            <and>
+                <reference definitionId="isActiveEditorAnInstanceOfXtextEditor"/>
+                <with variable="activeEditor">
+                    <test property="org.eclipse.xtext.ui.editor.XtextEditor.languageName" 
+                        value="org.eclipse.xtext.example.fowlerdsl.Statemachine" 
+                        forcePluginActivation="true"/>
+                </with>        
+            </and>
+        </definition>
+    </extension>
+    <extension
+            point="org.eclipse.ui.preferencePages">
+        <page
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.preferences.LanguageRootPreferencePage"
+            id="org.eclipse.xtext.example.fowlerdsl.Statemachine"
+            name="Statemachine">
+            <keywordReference id="org.eclipse.xtext.example.fowlerdsl.ui.keyword_Statemachine"/>
+        </page>
+        <page
+            category="org.eclipse.xtext.example.fowlerdsl.Statemachine"
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.syntaxcoloring.SyntaxColoringPreferencePage"
+            id="org.eclipse.xtext.example.fowlerdsl.Statemachine.coloring"
+            name="Syntax Coloring">
+            <keywordReference id="org.eclipse.xtext.example.fowlerdsl.ui.keyword_Statemachine"/>
+        </page>
+        <page
+            category="org.eclipse.xtext.example.fowlerdsl.Statemachine"
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.templates.XtextTemplatePreferencePage"
+            id="org.eclipse.xtext.example.fowlerdsl.Statemachine.templates"
+            name="Templates">
+            <keywordReference id="org.eclipse.xtext.example.fowlerdsl.ui.keyword_Statemachine"/>
+        </page>
+    </extension>
+    <extension
+            point="org.eclipse.ui.propertyPages">
+        <page
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.preferences.LanguageRootPreferencePage"
+            id="org.eclipse.xtext.example.fowlerdsl.Statemachine"
+            name="Statemachine">
+            <keywordReference id="org.eclipse.xtext.example.fowlerdsl.ui.keyword_Statemachine"/>
+            <enabledWhen>
+	            <adapt type="org.eclipse.core.resources.IProject"/>
+			</enabledWhen>
+	        <filter name="projectNature" value="org.eclipse.xtext.ui.shared.xtextNature"/>
+        </page>
+    </extension>
+    <extension
+        point="org.eclipse.ui.keywords">
+        <keyword
+            id="org.eclipse.xtext.example.fowlerdsl.ui.keyword_Statemachine"
+            label="Statemachine"/>
+    </extension>
+    <extension
+         point="org.eclipse.ui.commands">
+      <command
+            description="Trigger expensive validation"
+            id="org.eclipse.xtext.example.fowlerdsl.Statemachine.validate"
+            name="Validate">
+      </command>
+    </extension>
+    <extension point="org.eclipse.ui.menus">
+        <menuContribution
+            locationURI="popup:#TextEditorContext?after=group.edit">
+             <command
+                 commandId="org.eclipse.xtext.example.fowlerdsl.Statemachine.validate"
+                 style="push"
+                 tooltip="Trigger expensive validation">
+            <visibleWhen checkEnabled="false">
+                <reference
+                    definitionId="org.eclipse.xtext.example.fowlerdsl.Statemachine.Editor.opened">
+                </reference>
+            </visibleWhen>
+         </command>  
+         </menuContribution>
+    </extension>
+    <extension point="org.eclipse.ui.menus">
+		<menuContribution locationURI="popup:#TextEditorContext?endof=group.find">
+			<command commandId="org.eclipse.xtext.ui.editor.FindReferences">
+				<visibleWhen checkEnabled="false">
+                	<reference definitionId="org.eclipse.xtext.example.fowlerdsl.Statemachine.Editor.opened">
+                	</reference>
+            	</visibleWhen>
+			</command>
+		</menuContribution>
+	</extension>
+	<extension point="org.eclipse.ui.handlers">
+	    <handler
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.findrefs.FindReferencesHandler"
+            commandId="org.eclipse.xtext.ui.editor.FindReferences">
+            <activeWhen>
+                <reference
+                    definitionId="org.eclipse.xtext.example.fowlerdsl.Statemachine.Editor.opened">
+                </reference>
+            </activeWhen>
+        </handler>
+    </extension>   
+
+<!-- adding resource factories -->
+
+	<extension
+		point="org.eclipse.emf.ecore.extension_parser">
+		<parser
+			class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.resource.IResourceFactory"
+			type="statemachine">
+		</parser>
+	</extension>
+	<extension point="org.eclipse.xtext.extension_resourceServiceProvider">
+        <resourceServiceProvider
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.resource.IResourceUIServiceProvider"
+            uriExtension="statemachine">
+        </resourceServiceProvider>
+    </extension>
+
+
+    <!-- marker definitions for org.eclipse.xtext.example.fowlerdsl.Statemachine -->
+    <extension
+            id="statemachine.check.fast"
+            name="Statemachine Problem"
+            point="org.eclipse.core.resources.markers">
+        <super type="org.eclipse.xtext.ui.check.fast"/>
+        <persistent value="true"/>
+    </extension>
+    <extension
+            id="statemachine.check.normal"
+            name="Statemachine Problem"
+            point="org.eclipse.core.resources.markers">
+        <super type="org.eclipse.xtext.ui.check.normal"/>
+        <persistent value="true"/>
+    </extension>
+    <extension
+            id="statemachine.check.expensive"
+            name="Statemachine Problem"
+            point="org.eclipse.core.resources.markers">
+        <super type="org.eclipse.xtext.ui.check.expensive"/>
+        <persistent value="true"/>
+    </extension>
+
+   <extension
+         point="org.eclipse.xtext.builder.participant">
+      <participant
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.builder.IXtextBuilderParticipant">
+      </participant>
+   </extension>
+   <extension
+            point="org.eclipse.ui.preferencePages">
+        <page
+            category="org.eclipse.xtext.example.fowlerdsl.Statemachine"
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.builder.preferences.BuilderPreferencePage"
+            id="org.eclipse.xtext.example.fowlerdsl.Statemachine.compiler.preferencePage"
+            name="Compiler">
+            <keywordReference id="org.eclipse.xtext.example.fowlerdsl.ui.keyword_Statemachine"/>
+        </page>
+    </extension>
+    <extension
+            point="org.eclipse.ui.propertyPages">
+        <page
+            category="org.eclipse.xtext.example.fowlerdsl.Statemachine"
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.builder.preferences.BuilderPreferencePage"
+            id="org.eclipse.xtext.example.fowlerdsl.Statemachine.compiler.propertyPage"
+            name="Compiler">
+            <keywordReference id="org.eclipse.xtext.example.fowlerdsl.ui.keyword_Statemachine"/>
+            <enabledWhen>
+	            <adapt type="org.eclipse.core.resources.IProject"/>
+			</enabledWhen>
+	        <filter name="projectNature" value="org.eclipse.xtext.ui.shared.xtextNature"/>
+        </page>
+    </extension>
+
+	<!-- Quick Outline -->
+	<extension
+		point="org.eclipse.ui.handlers">
+		<handler 
+			class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.outline.quickoutline.ShowQuickOutlineActionHandler"
+			commandId="org.eclipse.xtext.ui.editor.outline.QuickOutline">
+			<activeWhen>
+				<reference
+					definitionId="org.eclipse.xtext.example.fowlerdsl.Statemachine.Editor.opened">
+				</reference>
+			</activeWhen>
+		</handler>
+	</extension>
+	<extension
+		point="org.eclipse.ui.commands">
+		<command
+			description="Open the quick outline."
+			id="org.eclipse.xtext.ui.editor.outline.QuickOutline"
+			name="Quick Outline">
+		</command>
+	</extension>
+	<extension point="org.eclipse.ui.menus">
+		<menuContribution
+			locationURI="popup:#TextEditorContext?after=group.open">
+			<command commandId="org.eclipse.xtext.ui.editor.outline.QuickOutline"
+				style="push"
+				tooltip="Open Quick Outline">
+				<visibleWhen checkEnabled="false">
+					<reference definitionId="org.eclipse.xtext.example.fowlerdsl.Statemachine.Editor.opened"/>
+				</visibleWhen>
+			</command>
+		</menuContribution>
+	</extension>
+    <!-- quickfix marker resolution generator for org.eclipse.xtext.example.fowlerdsl.Statemachine -->
+    <extension
+            point="org.eclipse.ui.ide.markerResolution">
+        <markerResolutionGenerator
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.quickfix.MarkerResolutionGenerator"
+            markerType="org.eclipse.xtext.example.fowlerdsl.ui.statemachine.check.fast">
+            <attribute
+                name="FIXABLE_KEY"
+                value="true">
+            </attribute>
+        </markerResolutionGenerator>
+        <markerResolutionGenerator
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.quickfix.MarkerResolutionGenerator"
+            markerType="org.eclipse.xtext.example.fowlerdsl.ui.statemachine.check.normal">
+            <attribute
+                name="FIXABLE_KEY"
+                value="true">
+            </attribute>
+        </markerResolutionGenerator>
+        <markerResolutionGenerator
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.quickfix.MarkerResolutionGenerator"
+            markerType="org.eclipse.xtext.example.fowlerdsl.ui.statemachine.check.expensive">
+            <attribute
+                name="FIXABLE_KEY"
+                value="true">
+            </attribute>
+        </markerResolutionGenerator>
+    </extension>
+   	<!-- Rename Refactoring -->
+	<extension point="org.eclipse.ui.handlers">
+		<handler 
+			class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.refactoring.ui.IRenameElementHandler"
+			commandId="org.eclipse.xtext.ui.refactoring.RenameElement">
+			<activeWhen>
+				<reference
+					definitionId="org.eclipse.xtext.example.fowlerdsl.Statemachine.Editor.opened">
+				</reference>
+			</activeWhen>
+		</handler>
+	</extension>
+    <extension point="org.eclipse.ui.menus">
+         <menuContribution
+            locationURI="popup:#TextEditorContext?after=group.edit">
+         <command commandId="org.eclipse.xtext.ui.refactoring.RenameElement"
+               style="push">
+            <visibleWhen checkEnabled="false">
+               <reference
+                     definitionId="org.eclipse.xtext.example.fowlerdsl.Statemachine.Editor.opened">
+               </reference>
+            </visibleWhen>
+         </command>
+      </menuContribution>
+   </extension>
+   <extension point="org.eclipse.ui.preferencePages">
+	    <page
+	        category="org.eclipse.xtext.example.fowlerdsl.Statemachine"
+	        class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.refactoring.ui.RefactoringPreferencePage"
+	        id="org.eclipse.xtext.example.fowlerdsl.Statemachine.refactoring"
+	        name="Refactoring">
+	        <keywordReference id="org.eclipse.xtext.example.fowlerdsl.ui.keyword_Statemachine"/>
+	    </page>
+	</extension>
+
+  <extension point="org.eclipse.compare.contentViewers">
+    <viewer id="org.eclipse.xtext.example.fowlerdsl.Statemachine.compare.contentViewers"
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.compare.InjectableViewerCreator"
+            extensions="statemachine">
+    </viewer>
+  </extension>
+  <extension point="org.eclipse.compare.contentMergeViewers">
+    <viewer id="org.eclipse.xtext.example.fowlerdsl.Statemachine.compare.contentMergeViewers"
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.compare.InjectableViewerCreator"
+            extensions="statemachine" label="Statemachine Compare">
+     </viewer>
+  </extension>
+  <extension point="org.eclipse.ui.editors.documentProviders">
+    <provider id="org.eclipse.xtext.example.fowlerdsl.Statemachine.editors.documentProviders"
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.model.XtextDocumentProvider"
+            extensions="statemachine">
+    </provider>
+  </extension>
+
+</plugin>
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/plugin.xml_gen b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/plugin.xml_gen
new file mode 100644
index 0000000..e91cf1e
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/plugin.xml_gen
@@ -0,0 +1,323 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.0"?>
+
+<plugin>
+
+    <extension
+            point="org.eclipse.ui.editors">
+        <editor
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.XtextEditor"
+            contributorClass="org.eclipse.ui.editors.text.TextEditorActionContributor"
+            default="true"
+            extensions="statemachine"
+            id="org.eclipse.xtext.example.fowlerdsl.Statemachine"
+            name="Statemachine Editor">
+        </editor>
+    </extension>
+    <extension
+        point="org.eclipse.ui.handlers">
+        <handler
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.hyperlinking.OpenDeclarationHandler"
+            commandId="org.eclipse.xtext.ui.editor.hyperlinking.OpenDeclaration">
+            <activeWhen>
+                <reference
+                    definitionId="org.eclipse.xtext.example.fowlerdsl.Statemachine.Editor.opened">
+                </reference>
+            </activeWhen>
+        </handler>
+        <handler
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.handler.ValidateActionHandler"
+            commandId="org.eclipse.xtext.example.fowlerdsl.Statemachine.validate">
+         <activeWhen>
+            <reference
+                    definitionId="org.eclipse.xtext.example.fowlerdsl.Statemachine.Editor.opened">
+            </reference>
+         </activeWhen>
+      </handler>
+    </extension>
+    <extension point="org.eclipse.core.expressions.definitions">
+        <definition id="org.eclipse.xtext.example.fowlerdsl.Statemachine.Editor.opened">
+            <and>
+                <reference definitionId="isActiveEditorAnInstanceOfXtextEditor"/>
+                <with variable="activeEditor">
+                    <test property="org.eclipse.xtext.ui.editor.XtextEditor.languageName" 
+                        value="org.eclipse.xtext.example.fowlerdsl.Statemachine" 
+                        forcePluginActivation="true"/>
+                </with>        
+            </and>
+        </definition>
+    </extension>
+    <extension
+            point="org.eclipse.ui.preferencePages">
+        <page
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.preferences.LanguageRootPreferencePage"
+            id="org.eclipse.xtext.example.fowlerdsl.Statemachine"
+            name="Statemachine">
+            <keywordReference id="org.eclipse.xtext.example.fowlerdsl.ui.keyword_Statemachine"/>
+        </page>
+        <page
+            category="org.eclipse.xtext.example.fowlerdsl.Statemachine"
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.syntaxcoloring.SyntaxColoringPreferencePage"
+            id="org.eclipse.xtext.example.fowlerdsl.Statemachine.coloring"
+            name="Syntax Coloring">
+            <keywordReference id="org.eclipse.xtext.example.fowlerdsl.ui.keyword_Statemachine"/>
+        </page>
+        <page
+            category="org.eclipse.xtext.example.fowlerdsl.Statemachine"
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.templates.XtextTemplatePreferencePage"
+            id="org.eclipse.xtext.example.fowlerdsl.Statemachine.templates"
+            name="Templates">
+            <keywordReference id="org.eclipse.xtext.example.fowlerdsl.ui.keyword_Statemachine"/>
+        </page>
+    </extension>
+    <extension
+            point="org.eclipse.ui.propertyPages">
+        <page
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.preferences.LanguageRootPreferencePage"
+            id="org.eclipse.xtext.example.fowlerdsl.Statemachine"
+            name="Statemachine">
+            <keywordReference id="org.eclipse.xtext.example.fowlerdsl.ui.keyword_Statemachine"/>
+            <enabledWhen>
+	            <adapt type="org.eclipse.core.resources.IProject"/>
+			</enabledWhen>
+	        <filter name="projectNature" value="org.eclipse.xtext.ui.shared.xtextNature"/>
+        </page>
+    </extension>
+    <extension
+        point="org.eclipse.ui.keywords">
+        <keyword
+            id="org.eclipse.xtext.example.fowlerdsl.ui.keyword_Statemachine"
+            label="Statemachine"/>
+    </extension>
+    <extension
+         point="org.eclipse.ui.commands">
+      <command
+            description="Trigger expensive validation"
+            id="org.eclipse.xtext.example.fowlerdsl.Statemachine.validate"
+            name="Validate">
+      </command>
+    </extension>
+    <extension point="org.eclipse.ui.menus">
+        <menuContribution
+            locationURI="popup:#TextEditorContext?after=group.edit">
+             <command
+                 commandId="org.eclipse.xtext.example.fowlerdsl.Statemachine.validate"
+                 style="push"
+                 tooltip="Trigger expensive validation">
+            <visibleWhen checkEnabled="false">
+                <reference
+                    definitionId="org.eclipse.xtext.example.fowlerdsl.Statemachine.Editor.opened">
+                </reference>
+            </visibleWhen>
+         </command>  
+         </menuContribution>
+    </extension>
+    <extension point="org.eclipse.ui.menus">
+		<menuContribution locationURI="popup:#TextEditorContext?endof=group.find">
+			<command commandId="org.eclipse.xtext.ui.editor.FindReferences">
+				<visibleWhen checkEnabled="false">
+                	<reference definitionId="org.eclipse.xtext.example.fowlerdsl.Statemachine.Editor.opened">
+                	</reference>
+            	</visibleWhen>
+			</command>
+		</menuContribution>
+	</extension>
+	<extension point="org.eclipse.ui.handlers">
+	    <handler
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.findrefs.FindReferencesHandler"
+            commandId="org.eclipse.xtext.ui.editor.FindReferences">
+            <activeWhen>
+                <reference
+                    definitionId="org.eclipse.xtext.example.fowlerdsl.Statemachine.Editor.opened">
+                </reference>
+            </activeWhen>
+        </handler>
+    </extension>   
+
+<!-- adding resource factories -->
+
+	<extension
+		point="org.eclipse.emf.ecore.extension_parser">
+		<parser
+			class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.resource.IResourceFactory"
+			type="statemachine">
+		</parser>
+	</extension>
+	<extension point="org.eclipse.xtext.extension_resourceServiceProvider">
+        <resourceServiceProvider
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.resource.IResourceUIServiceProvider"
+            uriExtension="statemachine">
+        </resourceServiceProvider>
+    </extension>
+
+
+    <!-- marker definitions for org.eclipse.xtext.example.fowlerdsl.Statemachine -->
+    <extension
+            id="statemachine.check.fast"
+            name="Statemachine Problem"
+            point="org.eclipse.core.resources.markers">
+        <super type="org.eclipse.xtext.ui.check.fast"/>
+        <persistent value="true"/>
+    </extension>
+    <extension
+            id="statemachine.check.normal"
+            name="Statemachine Problem"
+            point="org.eclipse.core.resources.markers">
+        <super type="org.eclipse.xtext.ui.check.normal"/>
+        <persistent value="true"/>
+    </extension>
+    <extension
+            id="statemachine.check.expensive"
+            name="Statemachine Problem"
+            point="org.eclipse.core.resources.markers">
+        <super type="org.eclipse.xtext.ui.check.expensive"/>
+        <persistent value="true"/>
+    </extension>
+
+   <extension
+         point="org.eclipse.xtext.builder.participant">
+      <participant
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.builder.IXtextBuilderParticipant">
+      </participant>
+   </extension>
+   <extension
+            point="org.eclipse.ui.preferencePages">
+        <page
+            category="org.eclipse.xtext.example.fowlerdsl.Statemachine"
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.builder.preferences.BuilderPreferencePage"
+            id="org.eclipse.xtext.example.fowlerdsl.Statemachine.compiler.preferencePage"
+            name="Compiler">
+            <keywordReference id="org.eclipse.xtext.example.fowlerdsl.ui.keyword_Statemachine"/>
+        </page>
+    </extension>
+    <extension
+            point="org.eclipse.ui.propertyPages">
+        <page
+            category="org.eclipse.xtext.example.fowlerdsl.Statemachine"
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.builder.preferences.BuilderPreferencePage"
+            id="org.eclipse.xtext.example.fowlerdsl.Statemachine.compiler.propertyPage"
+            name="Compiler">
+            <keywordReference id="org.eclipse.xtext.example.fowlerdsl.ui.keyword_Statemachine"/>
+            <enabledWhen>
+	            <adapt type="org.eclipse.core.resources.IProject"/>
+			</enabledWhen>
+	        <filter name="projectNature" value="org.eclipse.xtext.ui.shared.xtextNature"/>
+        </page>
+    </extension>
+
+	<!-- Quick Outline -->
+	<extension
+		point="org.eclipse.ui.handlers">
+		<handler 
+			class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.outline.quickoutline.ShowQuickOutlineActionHandler"
+			commandId="org.eclipse.xtext.ui.editor.outline.QuickOutline">
+			<activeWhen>
+				<reference
+					definitionId="org.eclipse.xtext.example.fowlerdsl.Statemachine.Editor.opened">
+				</reference>
+			</activeWhen>
+		</handler>
+	</extension>
+	<extension
+		point="org.eclipse.ui.commands">
+		<command
+			description="Open the quick outline."
+			id="org.eclipse.xtext.ui.editor.outline.QuickOutline"
+			name="Quick Outline">
+		</command>
+	</extension>
+	<extension point="org.eclipse.ui.menus">
+		<menuContribution
+			locationURI="popup:#TextEditorContext?after=group.open">
+			<command commandId="org.eclipse.xtext.ui.editor.outline.QuickOutline"
+				style="push"
+				tooltip="Open Quick Outline">
+				<visibleWhen checkEnabled="false">
+					<reference definitionId="org.eclipse.xtext.example.fowlerdsl.Statemachine.Editor.opened"/>
+				</visibleWhen>
+			</command>
+		</menuContribution>
+	</extension>
+    <!-- quickfix marker resolution generator for org.eclipse.xtext.example.fowlerdsl.Statemachine -->
+    <extension
+            point="org.eclipse.ui.ide.markerResolution">
+        <markerResolutionGenerator
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.quickfix.MarkerResolutionGenerator"
+            markerType="org.eclipse.xtext.example.fowlerdsl.ui.statemachine.check.fast">
+            <attribute
+                name="FIXABLE_KEY"
+                value="true">
+            </attribute>
+        </markerResolutionGenerator>
+        <markerResolutionGenerator
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.quickfix.MarkerResolutionGenerator"
+            markerType="org.eclipse.xtext.example.fowlerdsl.ui.statemachine.check.normal">
+            <attribute
+                name="FIXABLE_KEY"
+                value="true">
+            </attribute>
+        </markerResolutionGenerator>
+        <markerResolutionGenerator
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.quickfix.MarkerResolutionGenerator"
+            markerType="org.eclipse.xtext.example.fowlerdsl.ui.statemachine.check.expensive">
+            <attribute
+                name="FIXABLE_KEY"
+                value="true">
+            </attribute>
+        </markerResolutionGenerator>
+    </extension>
+   	<!-- Rename Refactoring -->
+	<extension point="org.eclipse.ui.handlers">
+		<handler 
+			class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.refactoring.ui.IRenameElementHandler"
+			commandId="org.eclipse.xtext.ui.refactoring.RenameElement">
+			<activeWhen>
+				<reference
+					definitionId="org.eclipse.xtext.example.fowlerdsl.Statemachine.Editor.opened">
+				</reference>
+			</activeWhen>
+		</handler>
+	</extension>
+    <extension point="org.eclipse.ui.menus">
+         <menuContribution
+            locationURI="popup:#TextEditorContext?after=group.edit">
+         <command commandId="org.eclipse.xtext.ui.refactoring.RenameElement"
+               style="push">
+            <visibleWhen checkEnabled="false">
+               <reference
+                     definitionId="org.eclipse.xtext.example.fowlerdsl.Statemachine.Editor.opened">
+               </reference>
+            </visibleWhen>
+         </command>
+      </menuContribution>
+   </extension>
+   <extension point="org.eclipse.ui.preferencePages">
+	    <page
+	        category="org.eclipse.xtext.example.fowlerdsl.Statemachine"
+	        class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.refactoring.ui.RefactoringPreferencePage"
+	        id="org.eclipse.xtext.example.fowlerdsl.Statemachine.refactoring"
+	        name="Refactoring">
+	        <keywordReference id="org.eclipse.xtext.example.fowlerdsl.ui.keyword_Statemachine"/>
+	    </page>
+	</extension>
+
+  <extension point="org.eclipse.compare.contentViewers">
+    <viewer id="org.eclipse.xtext.example.fowlerdsl.Statemachine.compare.contentViewers"
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.compare.InjectableViewerCreator"
+            extensions="statemachine">
+    </viewer>
+  </extension>
+  <extension point="org.eclipse.compare.contentMergeViewers">
+    <viewer id="org.eclipse.xtext.example.fowlerdsl.Statemachine.compare.contentMergeViewers"
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.compare.InjectableViewerCreator"
+            extensions="statemachine" label="Statemachine Compare">
+     </viewer>
+  </extension>
+  <extension point="org.eclipse.ui.editors.documentProviders">
+    <provider id="org.eclipse.xtext.example.fowlerdsl.Statemachine.editors.documentProviders"
+            class="org.eclipse.xtext.example.fowlerdsl.ui.StatemachineExecutableExtensionFactory:org.eclipse.xtext.ui.editor.model.XtextDocumentProvider"
+            extensions="statemachine">
+    </provider>
+  </extension>
+
+</plugin>
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/AbstractStatemachineUiModule.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/AbstractStatemachineUiModule.java
new file mode 100644
index 0000000..64f21fe
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/AbstractStatemachineUiModule.java
@@ -0,0 +1,242 @@
+
+/*
+ * generated by Xtext
+ */
+package org.eclipse.xtext.example.fowlerdsl.ui;
+
+import org.eclipse.xtext.ui.DefaultUiModule;
+import org.eclipse.ui.plugin.AbstractUIPlugin;
+
+/**
+ * Manual modifications go to {org.eclipse.xtext.example.fowlerdsl.ui.StatemachineUiModule}
+ */
+@SuppressWarnings("all")
+public abstract class AbstractStatemachineUiModule extends DefaultUiModule {
+	
+	public AbstractStatemachineUiModule(AbstractUIPlugin plugin) {
+		super(plugin);
+	}
+	
+	
+	// contributed by org.eclipse.xtext.ui.generator.ImplicitUiFragment
+	public com.google.inject.Provider<org.eclipse.xtext.resource.containers.IAllContainersState> provideIAllContainersState() {
+		return org.eclipse.xtext.ui.shared.Access.getJavaProjectsState();
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.contentassist.IProposalConflictHelper> bindIProposalConflictHelper() {
+		return org.eclipse.xtext.ui.editor.contentassist.antlr.AntlrProposalConflictHelper.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public void configureHighlightingLexer(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.parser.antlr.Lexer.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.ui.LexerUIBindings.HIGHLIGHTING)).to(org.eclipse.xtext.example.fowlerdsl.parser.antlr.internal.InternalStatemachineLexer.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public void configureHighlightingTokenDefProvider(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.parser.antlr.ITokenDefProvider.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.ui.LexerUIBindings.HIGHLIGHTING)).to(org.eclipse.xtext.parser.antlr.AntlrTokenDefProvider.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.exporting.QualifiedNamesFragment
+	public Class<? extends org.eclipse.xtext.ui.refactoring.IDependentElementsCalculator> bindIDependentElementsCalculator() {
+		return org.eclipse.xtext.ui.refactoring.impl.DefaultDependentElementsCalculator.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public void configureIResourceDescriptionsBuilderScope(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.resource.IResourceDescriptions.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.resource.impl.ResourceDescriptionsProvider.NAMED_BUILDER_SCOPE)).to(org.eclipse.xtext.builder.clustering.CurrentDescriptions.ResourceSetAware.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.IXtextEditorCallback> bindIXtextEditorCallback() {
+		return org.eclipse.xtext.builder.nature.NatureAddingEditorCallback.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public void configureIResourceDescriptionsPersisted(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.resource.IResourceDescriptions.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.builder.impl.PersistentDataAwareDirtyResource.PERSISTED_DESCRIPTIONS)).to(org.eclipse.xtext.builder.builderState.IBuilderState.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.DocumentBasedDirtyResource> bindDocumentBasedDirtyResource() {
+		return org.eclipse.xtext.builder.impl.PersistentDataAwareDirtyResource.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.generator.GeneratorFragment
+	public Class<? extends org.eclipse.xtext.builder.IXtextBuilderParticipant> bindIXtextBuilderParticipant() {
+		return org.eclipse.xtext.builder.BuilderParticipant.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.generator.GeneratorFragment
+	public org.eclipse.core.resources.IWorkspaceRoot bindIWorkspaceRootToInstance() {
+		return org.eclipse.core.resources.ResourcesPlugin.getWorkspace().getRoot();
+	}
+
+	// contributed by org.eclipse.xtext.generator.generator.GeneratorFragment
+	public void configureBuilderPreferenceStoreInitializer(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.ui.editor.preferences.IPreferenceStoreInitializer.class).annotatedWith(com.google.inject.name.Names.named("builderPreferenceInitializer")).to(org.eclipse.xtext.builder.preferences.BuilderPreferenceAccess.Initializer.class);
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.labeling.LabelProviderFragment
+	public Class<? extends org.eclipse.jface.viewers.ILabelProvider> bindILabelProvider() {
+		return org.eclipse.xtext.example.fowlerdsl.ui.labeling.StatemachineLabelProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.labeling.LabelProviderFragment
+	public void configureResourceUIServiceLabelProvider(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.jface.viewers.ILabelProvider.class).annotatedWith(org.eclipse.xtext.ui.resource.ResourceServiceDescriptionLabelProvider.class).to(org.eclipse.xtext.example.fowlerdsl.ui.labeling.StatemachineDescriptionLabelProvider.class);
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.outline.OutlineTreeProviderFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.outline.IOutlineTreeProvider> bindIOutlineTreeProvider() {
+		return org.eclipse.xtext.example.fowlerdsl.ui.outline.StatemachineOutlineTreeProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.outline.OutlineTreeProviderFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.outline.impl.IOutlineTreeStructureProvider> bindIOutlineTreeStructureProvider() {
+		return org.eclipse.xtext.example.fowlerdsl.ui.outline.StatemachineOutlineTreeProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.quickfix.QuickfixProviderFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.quickfix.IssueResolutionProvider> bindIssueResolutionProvider() {
+		return org.eclipse.xtext.example.fowlerdsl.ui.quickfix.StatemachineQuickfixProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.contentAssist.JavaBasedContentAssistFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.contentassist.IContentProposalProvider> bindIContentProposalProvider() {
+		return org.eclipse.xtext.example.fowlerdsl.ui.contentassist.StatemachineProposalProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrUiGeneratorFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.contentassist.ContentAssistContext.Factory> bindContentAssistContext$Factory() {
+		return org.eclipse.xtext.ui.editor.contentassist.antlr.ParserBasedContentAssistContextFactory.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrUiGeneratorFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.contentassist.antlr.IContentAssistParser> bindIContentAssistParser() {
+		return org.eclipse.xtext.example.fowlerdsl.ui.contentassist.antlr.StatemachineParser.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrUiGeneratorFragment
+	public void configureContentAssistLexerProvider(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.example.fowlerdsl.ui.contentassist.antlr.internal.InternalStatemachineLexer.class).toProvider(org.eclipse.xtext.parser.antlr.LexerProvider.create(org.eclipse.xtext.example.fowlerdsl.ui.contentassist.antlr.internal.InternalStatemachineLexer.class));
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrUiGeneratorFragment
+	public void configureContentAssistLexer(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.ui.editor.contentassist.antlr.internal.Lexer.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.ui.LexerUIBindings.CONTENT_ASSIST)).to(org.eclipse.xtext.example.fowlerdsl.ui.contentassist.antlr.internal.InternalStatemachineLexer.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public java.lang.ClassLoader bindClassLoaderToInstance() {
+		return getClass().getClassLoader();
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.common.types.access.IJvmTypeProvider.Factory> bindIJvmTypeProvider$Factory() {
+		return org.eclipse.xtext.common.types.access.jdt.JdtTypeProviderFactory.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.common.types.xtext.AbstractTypeScopeProvider> bindAbstractTypeScopeProvider() {
+		return org.eclipse.xtext.common.types.xtext.ui.JdtBasedSimpleTypeScopeProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.common.types.xtext.ui.ITypesProposalProvider> bindITypesProposalProvider() {
+		return org.eclipse.xtext.common.types.xtext.ui.JdtTypesProposalProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.common.types.access.jdt.IJavaProjectProvider> bindIJavaProjectProvider() {
+		return org.eclipse.xtext.common.types.xtext.ui.XtextResourceSetBasedProjectProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.hyperlinking.IHyperlinkHelper> bindIHyperlinkHelper() {
+		return org.eclipse.xtext.common.types.xtext.ui.TypeAwareHyperlinkHelper.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.contentassist.PrefixMatcher> bindPrefixMatcher() {
+		return org.eclipse.xtext.ui.editor.contentassist.FQNPrefixMatcher.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.contentassist.AbstractJavaBasedContentProposalProvider.ReferenceProposalCreator> bindAbstractJavaBasedContentProposalProvider$ReferenceProposalCreator() {
+		return org.eclipse.xtext.common.types.xtext.ui.TypeAwareReferenceProposalCreator.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.IValidationJobScheduler> bindIValidationJobScheduler() {
+		return org.eclipse.xtext.common.types.xtext.ui.JdtValidationJobScheduler.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.ui.refactoring.impl.RefactoringResourceSetProvider> bindRefactoringResourceSetProvider() {
+		return org.eclipse.xtext.common.types.ui.refactoring.JvmRefactoringResourceSetProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.templates.CodetemplatesGeneratorFragment
+	public com.google.inject.Provider<org.eclipse.xtext.ui.codetemplates.ui.preferences.TemplatesLanguageConfiguration> provideTemplatesLanguageConfiguration() {
+		return org.eclipse.xtext.ui.codetemplates.ui.AccessibleCodetemplatesActivator.getTemplatesLanguageConfigurationProvider();
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.templates.CodetemplatesGeneratorFragment
+	public com.google.inject.Provider<org.eclipse.xtext.ui.codetemplates.ui.registry.LanguageRegistry> provideLanguageRegistry() {
+		return org.eclipse.xtext.ui.codetemplates.ui.AccessibleCodetemplatesActivator.getLanguageRegistry();
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.templates.CodetemplatesGeneratorFragment
+	@org.eclipse.xtext.service.SingletonBinding(eager=true)	public Class<? extends org.eclipse.xtext.ui.codetemplates.ui.registry.LanguageRegistrar> bindLanguageRegistrar() {
+		return org.eclipse.xtext.ui.codetemplates.ui.registry.LanguageRegistrar.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.templates.CodetemplatesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.templates.XtextTemplatePreferencePage> bindXtextTemplatePreferencePage() {
+		return org.eclipse.xtext.ui.codetemplates.ui.preferences.AdvancedTemplatesPreferencePage.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.templates.CodetemplatesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.ui.codetemplates.ui.partialEditing.IPartialContentAssistParser> bindIPartialContentAssistParser() {
+		return org.eclipse.xtext.example.fowlerdsl.ui.contentassist.antlr.PartialStatemachineContentAssistParser.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.refactoring.RefactorElementNameFragment
+	public Class<? extends org.eclipse.xtext.ui.refactoring.IRenameStrategy> bindIRenameStrategy() {
+		return org.eclipse.xtext.ui.refactoring.impl.DefaultRenameStrategy.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.refactoring.RefactorElementNameFragment
+	public Class<? extends org.eclipse.xtext.ui.refactoring.IReferenceUpdater> bindIReferenceUpdater() {
+		return org.eclipse.xtext.ui.refactoring.impl.DefaultReferenceUpdater.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.refactoring.RefactorElementNameFragment
+	public void configureIPreferenceStoreInitializer(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.ui.editor.preferences.IPreferenceStoreInitializer.class).annotatedWith(com.google.inject.name.Names.named("RefactoringPreferences")).to(org.eclipse.xtext.ui.refactoring.ui.RefactoringPreferences.Initializer.class);
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.refactoring.RefactorElementNameFragment
+	public Class<? extends org.eclipse.xtext.ui.refactoring.IRenameRefactoringProvider> bindIRenameRefactoringProvider() {
+		return org.eclipse.xtext.ui.refactoring.impl.DefaultRenameRefactoringProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.refactoring.RefactorElementNameFragment
+	public Class<? extends org.eclipse.xtext.ui.refactoring.ui.IRenameSupport.Factory> bindIRenameSupport$Factory() {
+		return org.eclipse.xtext.ui.refactoring.ui.DefaultRenameSupport.Factory.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.refactoring.RefactorElementNameFragment
+	public Class<? extends org.eclipse.xtext.ui.refactoring.ui.IRenameElementHandler> bindIRenameElementHandler() {
+		return org.eclipse.xtext.ui.refactoring.ui.DefaultRenameElementHandler.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.compare.CompareFragment
+	public Class<? extends org.eclipse.compare.IViewerCreator> bindIViewerCreator() {
+		return org.eclipse.xtext.ui.compare.DefaultViewerCreator.class;
+	}
+
+
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/StatemachineExecutableExtensionFactory.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/StatemachineExecutableExtensionFactory.java
new file mode 100644
index 0000000..551cc9b
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/StatemachineExecutableExtensionFactory.java
@@ -0,0 +1,29 @@
+/*
+ * generated by Xtext
+ */
+package org.eclipse.xtext.example.fowlerdsl.ui;
+
+import org.eclipse.xtext.ui.guice.AbstractGuiceAwareExecutableExtensionFactory;
+import org.osgi.framework.Bundle;
+
+import com.google.inject.Injector;
+
+import org.eclipse.xtext.example.fowlerdsl.ui.internal.StatemachineActivator;
+
+/**
+ * This class was generated. Customizations should only happen in a newly
+ * introduced subclass. 
+ */
+public class StatemachineExecutableExtensionFactory extends AbstractGuiceAwareExecutableExtensionFactory {
+
+	@Override
+	protected Bundle getBundle() {
+		return StatemachineActivator.getInstance().getBundle();
+	}
+	
+	@Override
+	protected Injector getInjector() {
+		return StatemachineActivator.getInstance().getInjector(StatemachineActivator.ORG_ECLIPSE_XTEXT_EXAMPLE_FOWLERDSL_STATEMACHINE);
+	}
+	
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/AbstractStatemachineProposalProvider.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/AbstractStatemachineProposalProvider.java
new file mode 100644
index 0000000..e7db390
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/AbstractStatemachineProposalProvider.java
@@ -0,0 +1,75 @@
+/*
+* generated by Xtext
+*/
+package org.eclipse.xtext.example.fowlerdsl.ui.contentassist;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.*;
+import org.eclipse.xtext.common.ui.contentassist.TerminalsProposalProvider;
+import org.eclipse.xtext.ui.editor.contentassist.ICompletionProposalAcceptor;
+import org.eclipse.xtext.ui.editor.contentassist.ContentAssistContext;
+
+/**
+ * Represents a generated, default implementation of interface {@link IProposalProvider}.
+ * Methods are dynamically dispatched on the first parameter, i.e., you can override them 
+ * with a more concrete subtype. 
+ */
+@SuppressWarnings("all")
+public class AbstractStatemachineProposalProvider extends TerminalsProposalProvider {
+		
+	public void completeStatemachine_Events(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+	public void completeStatemachine_ResetEvents(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		lookupCrossReference(((CrossReference)assignment.getTerminal()), context, acceptor);
+	}
+	public void completeStatemachine_Commands(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+	public void completeStatemachine_States(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+	public void completeEvent_Name(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+	public void completeEvent_Code(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+	public void completeCommand_Name(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+	public void completeCommand_Code(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+	public void completeState_Name(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+	public void completeState_Actions(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		lookupCrossReference(((CrossReference)assignment.getTerminal()), context, acceptor);
+	}
+	public void completeState_Transitions(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+	public void completeTransition_Event(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		lookupCrossReference(((CrossReference)assignment.getTerminal()), context, acceptor);
+	}
+	public void completeTransition_State(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		lookupCrossReference(((CrossReference)assignment.getTerminal()), context, acceptor);
+	}
+    
+	public void complete_Statemachine(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		// subclasses may override
+	}
+	public void complete_Event(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		// subclasses may override
+	}
+	public void complete_Command(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		// subclasses may override
+	}
+	public void complete_State(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		// subclasses may override
+	}
+	public void complete_Transition(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		// subclasses may override
+	}
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/PartialStatemachineContentAssistParser.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/PartialStatemachineContentAssistParser.java
new file mode 100644
index 0000000..82960ce
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/PartialStatemachineContentAssistParser.java
@@ -0,0 +1,37 @@
+/*
+ * generated by Xtext
+ */
+package org.eclipse.xtext.example.fowlerdsl.ui.contentassist.antlr;
+
+import java.util.Collection;
+import java.util.Collections;
+
+import org.eclipse.xtext.AbstractRule;
+import org.eclipse.xtext.ui.codetemplates.ui.partialEditing.IPartialContentAssistParser;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.FollowElement;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.AbstractInternalContentAssistParser;
+import org.eclipse.xtext.util.PolymorphicDispatcher;
+
+/**
+ * @author Sebastian Zarnekow - Initial contribution and API
+ */
+public class PartialStatemachineContentAssistParser extends StatemachineParser implements IPartialContentAssistParser {
+
+	private AbstractRule rule;
+
+	public void initializeFor(AbstractRule rule) {
+		this.rule = rule;
+	}
+	
+	@Override
+	protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
+		if (rule == null || rule.eIsProxy())
+			return Collections.emptyList();
+		String methodName = "entryRule" + rule.getName();
+		PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
+			new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
+		dispatcher.invoke();
+		return parser.getFollowElements();
+	}
+
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/StatemachineParser.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/StatemachineParser.java
new file mode 100644
index 0000000..8698ed2
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/StatemachineParser.java
@@ -0,0 +1,91 @@
+/*
+* generated by Xtext
+*/
+package org.eclipse.xtext.example.fowlerdsl.ui.contentassist.antlr;
+
+import java.util.Collection;
+import java.util.Map;
+import java.util.HashMap;
+
+import org.antlr.runtime.RecognitionException;
+import org.eclipse.xtext.AbstractElement;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.AbstractContentAssistParser;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.FollowElement;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.AbstractInternalContentAssistParser;
+
+import com.google.inject.Inject;
+
+import org.eclipse.xtext.example.fowlerdsl.services.StatemachineGrammarAccess;
+
+public class StatemachineParser extends AbstractContentAssistParser {
+	
+	@Inject
+	private StatemachineGrammarAccess grammarAccess;
+	
+	private Map<AbstractElement, String> nameMappings;
+	
+	@Override
+	protected org.eclipse.xtext.example.fowlerdsl.ui.contentassist.antlr.internal.InternalStatemachineParser createParser() {
+		org.eclipse.xtext.example.fowlerdsl.ui.contentassist.antlr.internal.InternalStatemachineParser result = new org.eclipse.xtext.example.fowlerdsl.ui.contentassist.antlr.internal.InternalStatemachineParser(null);
+		result.setGrammarAccess(grammarAccess);
+		return result;
+	}
+	
+	@Override
+	protected String getRuleName(AbstractElement element) {
+		if (nameMappings == null) {
+			nameMappings = new HashMap<AbstractElement, String>() {
+				private static final long serialVersionUID = 1L;
+				{
+					put(grammarAccess.getStatemachineAccess().getGroup(), "rule__Statemachine__Group__0");
+					put(grammarAccess.getStatemachineAccess().getGroup_1(), "rule__Statemachine__Group_1__0");
+					put(grammarAccess.getStatemachineAccess().getGroup_2(), "rule__Statemachine__Group_2__0");
+					put(grammarAccess.getStatemachineAccess().getGroup_3(), "rule__Statemachine__Group_3__0");
+					put(grammarAccess.getEventAccess().getGroup(), "rule__Event__Group__0");
+					put(grammarAccess.getCommandAccess().getGroup(), "rule__Command__Group__0");
+					put(grammarAccess.getStateAccess().getGroup(), "rule__State__Group__0");
+					put(grammarAccess.getStateAccess().getGroup_2(), "rule__State__Group_2__0");
+					put(grammarAccess.getTransitionAccess().getGroup(), "rule__Transition__Group__0");
+					put(grammarAccess.getStatemachineAccess().getEventsAssignment_1_1(), "rule__Statemachine__EventsAssignment_1_1");
+					put(grammarAccess.getStatemachineAccess().getResetEventsAssignment_2_1(), "rule__Statemachine__ResetEventsAssignment_2_1");
+					put(grammarAccess.getStatemachineAccess().getCommandsAssignment_3_1(), "rule__Statemachine__CommandsAssignment_3_1");
+					put(grammarAccess.getStatemachineAccess().getStatesAssignment_4(), "rule__Statemachine__StatesAssignment_4");
+					put(grammarAccess.getEventAccess().getNameAssignment_0(), "rule__Event__NameAssignment_0");
+					put(grammarAccess.getEventAccess().getCodeAssignment_1(), "rule__Event__CodeAssignment_1");
+					put(grammarAccess.getCommandAccess().getNameAssignment_0(), "rule__Command__NameAssignment_0");
+					put(grammarAccess.getCommandAccess().getCodeAssignment_1(), "rule__Command__CodeAssignment_1");
+					put(grammarAccess.getStateAccess().getNameAssignment_1(), "rule__State__NameAssignment_1");
+					put(grammarAccess.getStateAccess().getActionsAssignment_2_2(), "rule__State__ActionsAssignment_2_2");
+					put(grammarAccess.getStateAccess().getTransitionsAssignment_3(), "rule__State__TransitionsAssignment_3");
+					put(grammarAccess.getTransitionAccess().getEventAssignment_0(), "rule__Transition__EventAssignment_0");
+					put(grammarAccess.getTransitionAccess().getStateAssignment_2(), "rule__Transition__StateAssignment_2");
+				}
+			};
+		}
+		return nameMappings.get(element);
+	}
+	
+	@Override
+	protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
+		try {
+			org.eclipse.xtext.example.fowlerdsl.ui.contentassist.antlr.internal.InternalStatemachineParser typedParser = (org.eclipse.xtext.example.fowlerdsl.ui.contentassist.antlr.internal.InternalStatemachineParser) parser;
+			typedParser.entryRuleStatemachine();
+			return typedParser.getFollowElements();
+		} catch(RecognitionException ex) {
+			throw new RuntimeException(ex);
+		}		
+	}
+	
+	@Override
+	protected String[] getInitialHiddenTokens() {
+		return new String[] { "RULE_WS", "RULE_ML_COMMENT", "RULE_SL_COMMENT" };
+	}
+	
+	public StatemachineGrammarAccess getGrammarAccess() {
+		return this.grammarAccess;
+	}
+	
+	public void setGrammarAccess(StatemachineGrammarAccess grammarAccess) {
+		this.grammarAccess = grammarAccess;
+	}
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g
new file mode 100644
index 0000000..beb8a49
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g
@@ -0,0 +1,1404 @@
+/*
+* generated by Xtext
+*/
+grammar InternalStatemachine;
+
+options {
+	superClass=AbstractInternalContentAssistParser;
+	
+}
+
+@lexer::header {
+package org.eclipse.xtext.example.fowlerdsl.ui.contentassist.antlr.internal;
+
+// Hack: Use our own Lexer superclass by means of import. 
+// Currently there is no other way to specify the superclass for the lexer.
+import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.Lexer;
+}
+
+@parser::header {
+package org.eclipse.xtext.example.fowlerdsl.ui.contentassist.antlr.internal; 
+
+import java.io.InputStream;
+import org.eclipse.xtext.*;
+import org.eclipse.xtext.parser.*;
+import org.eclipse.xtext.parser.impl.*;
+import org.eclipse.emf.ecore.util.EcoreUtil;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream.HiddenTokens;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.AbstractInternalContentAssistParser;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.DFA;
+import org.eclipse.xtext.example.fowlerdsl.services.StatemachineGrammarAccess;
+
+}
+
+@parser::members {
+ 
+ 	private StatemachineGrammarAccess grammarAccess;
+ 	
+    public void setGrammarAccess(StatemachineGrammarAccess grammarAccess) {
+    	this.grammarAccess = grammarAccess;
+    }
+    
+    @Override
+    protected Grammar getGrammar() {
+    	return grammarAccess.getGrammar();
+    }
+    
+    @Override
+    protected String getValueForTokenName(String tokenName) {
+    	return tokenName;
+    }
+
+}
+
+
+
+
+// Entry rule entryRuleStatemachine
+entryRuleStatemachine 
+:
+{ before(grammarAccess.getStatemachineRule()); }
+	 ruleStatemachine
+{ after(grammarAccess.getStatemachineRule()); } 
+	 EOF 
+;
+
+// Rule Statemachine
+ruleStatemachine
+    @init {
+		int stackSize = keepStackSize();
+    }
+	:
+(
+{ before(grammarAccess.getStatemachineAccess().getGroup()); }
+(rule__Statemachine__Group__0)
+{ after(grammarAccess.getStatemachineAccess().getGroup()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+// Entry rule entryRuleEvent
+entryRuleEvent 
+:
+{ before(grammarAccess.getEventRule()); }
+	 ruleEvent
+{ after(grammarAccess.getEventRule()); } 
+	 EOF 
+;
+
+// Rule Event
+ruleEvent
+    @init {
+		int stackSize = keepStackSize();
+    }
+	:
+(
+{ before(grammarAccess.getEventAccess().getGroup()); }
+(rule__Event__Group__0)
+{ after(grammarAccess.getEventAccess().getGroup()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+// Entry rule entryRuleCommand
+entryRuleCommand 
+:
+{ before(grammarAccess.getCommandRule()); }
+	 ruleCommand
+{ after(grammarAccess.getCommandRule()); } 
+	 EOF 
+;
+
+// Rule Command
+ruleCommand
+    @init {
+		int stackSize = keepStackSize();
+    }
+	:
+(
+{ before(grammarAccess.getCommandAccess().getGroup()); }
+(rule__Command__Group__0)
+{ after(grammarAccess.getCommandAccess().getGroup()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+// Entry rule entryRuleState
+entryRuleState 
+:
+{ before(grammarAccess.getStateRule()); }
+	 ruleState
+{ after(grammarAccess.getStateRule()); } 
+	 EOF 
+;
+
+// Rule State
+ruleState
+    @init {
+		int stackSize = keepStackSize();
+    }
+	:
+(
+{ before(grammarAccess.getStateAccess().getGroup()); }
+(rule__State__Group__0)
+{ after(grammarAccess.getStateAccess().getGroup()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+// Entry rule entryRuleTransition
+entryRuleTransition 
+:
+{ before(grammarAccess.getTransitionRule()); }
+	 ruleTransition
+{ after(grammarAccess.getTransitionRule()); } 
+	 EOF 
+;
+
+// Rule Transition
+ruleTransition
+    @init {
+		int stackSize = keepStackSize();
+    }
+	:
+(
+{ before(grammarAccess.getTransitionAccess().getGroup()); }
+(rule__Transition__Group__0)
+{ after(grammarAccess.getTransitionAccess().getGroup()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+rule__Statemachine__Group__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Statemachine__Group__0__Impl
+	rule__Statemachine__Group__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Statemachine__Group__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStatemachineAccess().getStatemachineAction_0()); }
+(
+
+)
+{ after(grammarAccess.getStatemachineAccess().getStatemachineAction_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Statemachine__Group__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Statemachine__Group__1__Impl
+	rule__Statemachine__Group__2
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Statemachine__Group__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStatemachineAccess().getGroup_1()); }
+(rule__Statemachine__Group_1__0)?
+{ after(grammarAccess.getStatemachineAccess().getGroup_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Statemachine__Group__2
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Statemachine__Group__2__Impl
+	rule__Statemachine__Group__3
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Statemachine__Group__2__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStatemachineAccess().getGroup_2()); }
+(rule__Statemachine__Group_2__0)?
+{ after(grammarAccess.getStatemachineAccess().getGroup_2()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Statemachine__Group__3
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Statemachine__Group__3__Impl
+	rule__Statemachine__Group__4
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Statemachine__Group__3__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStatemachineAccess().getGroup_3()); }
+(rule__Statemachine__Group_3__0)?
+{ after(grammarAccess.getStatemachineAccess().getGroup_3()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Statemachine__Group__4
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Statemachine__Group__4__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Statemachine__Group__4__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStatemachineAccess().getStatesAssignment_4()); }
+(rule__Statemachine__StatesAssignment_4)*
+{ after(grammarAccess.getStatemachineAccess().getStatesAssignment_4()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+
+
+
+
+
+
+rule__Statemachine__Group_1__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Statemachine__Group_1__0__Impl
+	rule__Statemachine__Group_1__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Statemachine__Group_1__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStatemachineAccess().getEventsKeyword_1_0()); }
+
+	'events' 
+
+{ after(grammarAccess.getStatemachineAccess().getEventsKeyword_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Statemachine__Group_1__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Statemachine__Group_1__1__Impl
+	rule__Statemachine__Group_1__2
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Statemachine__Group_1__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+(
+{ before(grammarAccess.getStatemachineAccess().getEventsAssignment_1_1()); }
+(rule__Statemachine__EventsAssignment_1_1)
+{ after(grammarAccess.getStatemachineAccess().getEventsAssignment_1_1()); }
+)
+(
+{ before(grammarAccess.getStatemachineAccess().getEventsAssignment_1_1()); }
+(rule__Statemachine__EventsAssignment_1_1)*
+{ after(grammarAccess.getStatemachineAccess().getEventsAssignment_1_1()); }
+)
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Statemachine__Group_1__2
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Statemachine__Group_1__2__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Statemachine__Group_1__2__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStatemachineAccess().getEndKeyword_1_2()); }
+
+	'end' 
+
+{ after(grammarAccess.getStatemachineAccess().getEndKeyword_1_2()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+
+
+rule__Statemachine__Group_2__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Statemachine__Group_2__0__Impl
+	rule__Statemachine__Group_2__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Statemachine__Group_2__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStatemachineAccess().getResetEventsKeyword_2_0()); }
+
+	'resetEvents' 
+
+{ after(grammarAccess.getStatemachineAccess().getResetEventsKeyword_2_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Statemachine__Group_2__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Statemachine__Group_2__1__Impl
+	rule__Statemachine__Group_2__2
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Statemachine__Group_2__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+(
+{ before(grammarAccess.getStatemachineAccess().getResetEventsAssignment_2_1()); }
+(rule__Statemachine__ResetEventsAssignment_2_1)
+{ after(grammarAccess.getStatemachineAccess().getResetEventsAssignment_2_1()); }
+)
+(
+{ before(grammarAccess.getStatemachineAccess().getResetEventsAssignment_2_1()); }
+(rule__Statemachine__ResetEventsAssignment_2_1)*
+{ after(grammarAccess.getStatemachineAccess().getResetEventsAssignment_2_1()); }
+)
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Statemachine__Group_2__2
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Statemachine__Group_2__2__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Statemachine__Group_2__2__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStatemachineAccess().getEndKeyword_2_2()); }
+
+	'end' 
+
+{ after(grammarAccess.getStatemachineAccess().getEndKeyword_2_2()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+
+
+rule__Statemachine__Group_3__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Statemachine__Group_3__0__Impl
+	rule__Statemachine__Group_3__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Statemachine__Group_3__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStatemachineAccess().getCommandsKeyword_3_0()); }
+
+	'commands' 
+
+{ after(grammarAccess.getStatemachineAccess().getCommandsKeyword_3_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Statemachine__Group_3__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Statemachine__Group_3__1__Impl
+	rule__Statemachine__Group_3__2
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Statemachine__Group_3__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+(
+{ before(grammarAccess.getStatemachineAccess().getCommandsAssignment_3_1()); }
+(rule__Statemachine__CommandsAssignment_3_1)
+{ after(grammarAccess.getStatemachineAccess().getCommandsAssignment_3_1()); }
+)
+(
+{ before(grammarAccess.getStatemachineAccess().getCommandsAssignment_3_1()); }
+(rule__Statemachine__CommandsAssignment_3_1)*
+{ after(grammarAccess.getStatemachineAccess().getCommandsAssignment_3_1()); }
+)
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Statemachine__Group_3__2
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Statemachine__Group_3__2__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Statemachine__Group_3__2__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStatemachineAccess().getEndKeyword_3_2()); }
+
+	'end' 
+
+{ after(grammarAccess.getStatemachineAccess().getEndKeyword_3_2()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+
+
+rule__Event__Group__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Event__Group__0__Impl
+	rule__Event__Group__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Event__Group__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getEventAccess().getNameAssignment_0()); }
+(rule__Event__NameAssignment_0)
+{ after(grammarAccess.getEventAccess().getNameAssignment_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Event__Group__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Event__Group__1__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Event__Group__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getEventAccess().getCodeAssignment_1()); }
+(rule__Event__CodeAssignment_1)
+{ after(grammarAccess.getEventAccess().getCodeAssignment_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+rule__Command__Group__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Command__Group__0__Impl
+	rule__Command__Group__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Command__Group__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getCommandAccess().getNameAssignment_0()); }
+(rule__Command__NameAssignment_0)
+{ after(grammarAccess.getCommandAccess().getNameAssignment_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Command__Group__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Command__Group__1__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Command__Group__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getCommandAccess().getCodeAssignment_1()); }
+(rule__Command__CodeAssignment_1)
+{ after(grammarAccess.getCommandAccess().getCodeAssignment_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+rule__State__Group__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__State__Group__0__Impl
+	rule__State__Group__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__State__Group__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStateAccess().getStateKeyword_0()); }
+
+	'state' 
+
+{ after(grammarAccess.getStateAccess().getStateKeyword_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__State__Group__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__State__Group__1__Impl
+	rule__State__Group__2
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__State__Group__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStateAccess().getNameAssignment_1()); }
+(rule__State__NameAssignment_1)
+{ after(grammarAccess.getStateAccess().getNameAssignment_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__State__Group__2
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__State__Group__2__Impl
+	rule__State__Group__3
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__State__Group__2__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStateAccess().getGroup_2()); }
+(rule__State__Group_2__0)?
+{ after(grammarAccess.getStateAccess().getGroup_2()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__State__Group__3
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__State__Group__3__Impl
+	rule__State__Group__4
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__State__Group__3__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStateAccess().getTransitionsAssignment_3()); }
+(rule__State__TransitionsAssignment_3)*
+{ after(grammarAccess.getStateAccess().getTransitionsAssignment_3()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__State__Group__4
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__State__Group__4__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__State__Group__4__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStateAccess().getEndKeyword_4()); }
+
+	'end' 
+
+{ after(grammarAccess.getStateAccess().getEndKeyword_4()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+
+
+
+
+
+
+rule__State__Group_2__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__State__Group_2__0__Impl
+	rule__State__Group_2__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__State__Group_2__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStateAccess().getActionsKeyword_2_0()); }
+
+	'actions' 
+
+{ after(grammarAccess.getStateAccess().getActionsKeyword_2_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__State__Group_2__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__State__Group_2__1__Impl
+	rule__State__Group_2__2
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__State__Group_2__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStateAccess().getLeftCurlyBracketKeyword_2_1()); }
+
+	'{' 
+
+{ after(grammarAccess.getStateAccess().getLeftCurlyBracketKeyword_2_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__State__Group_2__2
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__State__Group_2__2__Impl
+	rule__State__Group_2__3
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__State__Group_2__2__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+(
+{ before(grammarAccess.getStateAccess().getActionsAssignment_2_2()); }
+(rule__State__ActionsAssignment_2_2)
+{ after(grammarAccess.getStateAccess().getActionsAssignment_2_2()); }
+)
+(
+{ before(grammarAccess.getStateAccess().getActionsAssignment_2_2()); }
+(rule__State__ActionsAssignment_2_2)*
+{ after(grammarAccess.getStateAccess().getActionsAssignment_2_2()); }
+)
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__State__Group_2__3
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__State__Group_2__3__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__State__Group_2__3__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStateAccess().getRightCurlyBracketKeyword_2_3()); }
+
+	'}' 
+
+{ after(grammarAccess.getStateAccess().getRightCurlyBracketKeyword_2_3()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+
+
+
+
+rule__Transition__Group__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Transition__Group__0__Impl
+	rule__Transition__Group__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Transition__Group__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getTransitionAccess().getEventAssignment_0()); }
+(rule__Transition__EventAssignment_0)
+{ after(grammarAccess.getTransitionAccess().getEventAssignment_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Transition__Group__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Transition__Group__1__Impl
+	rule__Transition__Group__2
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Transition__Group__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getTransitionAccess().getEqualsSignGreaterThanSignKeyword_1()); }
+
+	'=>' 
+
+{ after(grammarAccess.getTransitionAccess().getEqualsSignGreaterThanSignKeyword_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Transition__Group__2
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Transition__Group__2__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Transition__Group__2__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getTransitionAccess().getStateAssignment_2()); }
+(rule__Transition__StateAssignment_2)
+{ after(grammarAccess.getTransitionAccess().getStateAssignment_2()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+
+
+
+rule__Statemachine__EventsAssignment_1_1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStatemachineAccess().getEventsEventParserRuleCall_1_1_0()); }
+	ruleEvent{ after(grammarAccess.getStatemachineAccess().getEventsEventParserRuleCall_1_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Statemachine__ResetEventsAssignment_2_1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStatemachineAccess().getResetEventsEventCrossReference_2_1_0()); }
+(
+{ before(grammarAccess.getStatemachineAccess().getResetEventsEventIDTerminalRuleCall_2_1_0_1()); }
+	RULE_ID{ after(grammarAccess.getStatemachineAccess().getResetEventsEventIDTerminalRuleCall_2_1_0_1()); }
+)
+{ after(grammarAccess.getStatemachineAccess().getResetEventsEventCrossReference_2_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Statemachine__CommandsAssignment_3_1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStatemachineAccess().getCommandsCommandParserRuleCall_3_1_0()); }
+	ruleCommand{ after(grammarAccess.getStatemachineAccess().getCommandsCommandParserRuleCall_3_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Statemachine__StatesAssignment_4
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStatemachineAccess().getStatesStateParserRuleCall_4_0()); }
+	ruleState{ after(grammarAccess.getStatemachineAccess().getStatesStateParserRuleCall_4_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Event__NameAssignment_0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getEventAccess().getNameIDTerminalRuleCall_0_0()); }
+	RULE_ID{ after(grammarAccess.getEventAccess().getNameIDTerminalRuleCall_0_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Event__CodeAssignment_1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getEventAccess().getCodeIDTerminalRuleCall_1_0()); }
+	RULE_ID{ after(grammarAccess.getEventAccess().getCodeIDTerminalRuleCall_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Command__NameAssignment_0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getCommandAccess().getNameIDTerminalRuleCall_0_0()); }
+	RULE_ID{ after(grammarAccess.getCommandAccess().getNameIDTerminalRuleCall_0_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Command__CodeAssignment_1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getCommandAccess().getCodeIDTerminalRuleCall_1_0()); }
+	RULE_ID{ after(grammarAccess.getCommandAccess().getCodeIDTerminalRuleCall_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__State__NameAssignment_1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStateAccess().getNameIDTerminalRuleCall_1_0()); }
+	RULE_ID{ after(grammarAccess.getStateAccess().getNameIDTerminalRuleCall_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__State__ActionsAssignment_2_2
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStateAccess().getActionsCommandCrossReference_2_2_0()); }
+(
+{ before(grammarAccess.getStateAccess().getActionsCommandIDTerminalRuleCall_2_2_0_1()); }
+	RULE_ID{ after(grammarAccess.getStateAccess().getActionsCommandIDTerminalRuleCall_2_2_0_1()); }
+)
+{ after(grammarAccess.getStateAccess().getActionsCommandCrossReference_2_2_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__State__TransitionsAssignment_3
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getStateAccess().getTransitionsTransitionParserRuleCall_3_0()); }
+	ruleTransition{ after(grammarAccess.getStateAccess().getTransitionsTransitionParserRuleCall_3_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Transition__EventAssignment_0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getTransitionAccess().getEventEventCrossReference_0_0()); }
+(
+{ before(grammarAccess.getTransitionAccess().getEventEventIDTerminalRuleCall_0_0_1()); }
+	RULE_ID{ after(grammarAccess.getTransitionAccess().getEventEventIDTerminalRuleCall_0_0_1()); }
+)
+{ after(grammarAccess.getTransitionAccess().getEventEventCrossReference_0_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Transition__StateAssignment_2
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getTransitionAccess().getStateStateCrossReference_2_0()); }
+(
+{ before(grammarAccess.getTransitionAccess().getStateStateIDTerminalRuleCall_2_0_1()); }
+	RULE_ID{ after(grammarAccess.getTransitionAccess().getStateStateIDTerminalRuleCall_2_0_1()); }
+)
+{ after(grammarAccess.getTransitionAccess().getStateStateCrossReference_2_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+RULE_ID : '^'? ('a'..'z'|'A'..'Z'|'_') ('a'..'z'|'A'..'Z'|'_'|'0'..'9')*;
+
+RULE_INT : ('0'..'9')+;
+
+RULE_STRING : ('"' ('\\' ('b'|'t'|'n'|'f'|'r'|'u'|'"'|'\''|'\\')|~(('\\'|'"')))* '"'|'\'' ('\\' ('b'|'t'|'n'|'f'|'r'|'u'|'"'|'\''|'\\')|~(('\\'|'\'')))* '\'');
+
+RULE_ML_COMMENT : '/*' ( options {greedy=false;} : . )*'*/';
+
+RULE_SL_COMMENT : '//' ~(('\n'|'\r'))* ('\r'? '\n')?;
+
+RULE_WS : (' '|'\t'|'\r'|'\n')+;
+
+RULE_ANY_OTHER : .;
+
+
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.tokens b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.tokens
new file mode 100644
index 0000000..c40aca9
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.tokens
@@ -0,0 +1,25 @@
+RULE_ID=4
+RULE_ANY_OTHER=10
+RULE_SL_COMMENT=8
+RULE_ML_COMMENT=7
+T__19=19
+RULE_STRING=6
+T__16=16
+T__15=15
+T__18=18
+T__17=17
+T__12=12
+T__11=11
+T__14=14
+T__13=13
+RULE_INT=5
+RULE_WS=9
+'state'=15
+'end'=12
+'}'=18
+'actions'=16
+'commands'=14
+'=>'=19
+'events'=11
+'{'=17
+'resetEvents'=13
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachineLexer.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachineLexer.java
new file mode 100644
index 0000000..08f769b
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachineLexer.java
@@ -0,0 +1,1072 @@
+package org.eclipse.xtext.example.fowlerdsl.ui.contentassist.antlr.internal;
+
+// Hack: Use our own Lexer superclass by means of import. 
+// Currently there is no other way to specify the superclass for the lexer.
+import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.Lexer;
+
+
+import org.antlr.runtime.*;
+import java.util.Stack;
+import java.util.List;
+import java.util.ArrayList;
+
+@SuppressWarnings("all")
+public class InternalStatemachineLexer extends Lexer {
+    public static final int RULE_ID=4;
+    public static final int RULE_ANY_OTHER=10;
+    public static final int RULE_SL_COMMENT=8;
+    public static final int EOF=-1;
+    public static final int RULE_ML_COMMENT=7;
+    public static final int T__19=19;
+    public static final int RULE_STRING=6;
+    public static final int T__16=16;
+    public static final int T__15=15;
+    public static final int T__18=18;
+    public static final int T__17=17;
+    public static final int T__12=12;
+    public static final int T__11=11;
+    public static final int T__14=14;
+    public static final int T__13=13;
+    public static final int RULE_INT=5;
+    public static final int RULE_WS=9;
+
+    // delegates
+    // delegators
+
+    public InternalStatemachineLexer() {;} 
+    public InternalStatemachineLexer(CharStream input) {
+        this(input, new RecognizerSharedState());
+    }
+    public InternalStatemachineLexer(CharStream input, RecognizerSharedState state) {
+        super(input,state);
+
+    }
+    public String getGrammarFileName() { return "../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g"; }
+
+    // $ANTLR start "T__11"
+    public final void mT__11() throws RecognitionException {
+        try {
+            int _type = T__11;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:11:7: ( 'events' )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:11:9: 'events'
+            {
+            match("events"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__11"
+
+    // $ANTLR start "T__12"
+    public final void mT__12() throws RecognitionException {
+        try {
+            int _type = T__12;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:12:7: ( 'end' )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:12:9: 'end'
+            {
+            match("end"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__12"
+
+    // $ANTLR start "T__13"
+    public final void mT__13() throws RecognitionException {
+        try {
+            int _type = T__13;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:13:7: ( 'resetEvents' )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:13:9: 'resetEvents'
+            {
+            match("resetEvents"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__13"
+
+    // $ANTLR start "T__14"
+    public final void mT__14() throws RecognitionException {
+        try {
+            int _type = T__14;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:14:7: ( 'commands' )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:14:9: 'commands'
+            {
+            match("commands"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__14"
+
+    // $ANTLR start "T__15"
+    public final void mT__15() throws RecognitionException {
+        try {
+            int _type = T__15;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:15:7: ( 'state' )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:15:9: 'state'
+            {
+            match("state"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__15"
+
+    // $ANTLR start "T__16"
+    public final void mT__16() throws RecognitionException {
+        try {
+            int _type = T__16;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:16:7: ( 'actions' )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:16:9: 'actions'
+            {
+            match("actions"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__16"
+
+    // $ANTLR start "T__17"
+    public final void mT__17() throws RecognitionException {
+        try {
+            int _type = T__17;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:17:7: ( '{' )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:17:9: '{'
+            {
+            match('{'); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__17"
+
+    // $ANTLR start "T__18"
+    public final void mT__18() throws RecognitionException {
+        try {
+            int _type = T__18;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:18:7: ( '}' )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:18:9: '}'
+            {
+            match('}'); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__18"
+
+    // $ANTLR start "T__19"
+    public final void mT__19() throws RecognitionException {
+        try {
+            int _type = T__19;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:19:7: ( '=>' )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:19:9: '=>'
+            {
+            match("=>"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__19"
+
+    // $ANTLR start "RULE_ID"
+    public final void mRULE_ID() throws RecognitionException {
+        try {
+            int _type = RULE_ID;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1390:9: ( ( '^' )? ( 'a' .. 'z' | 'A' .. 'Z' | '_' ) ( 'a' .. 'z' | 'A' .. 'Z' | '_' | '0' .. '9' )* )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1390:11: ( '^' )? ( 'a' .. 'z' | 'A' .. 'Z' | '_' ) ( 'a' .. 'z' | 'A' .. 'Z' | '_' | '0' .. '9' )*
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1390:11: ( '^' )?
+            int alt1=2;
+            int LA1_0 = input.LA(1);
+
+            if ( (LA1_0=='^') ) {
+                alt1=1;
+            }
+            switch (alt1) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1390:11: '^'
+                    {
+                    match('^'); 
+
+                    }
+                    break;
+
+            }
+
+            if ( (input.LA(1)>='A' && input.LA(1)<='Z')||input.LA(1)=='_'||(input.LA(1)>='a' && input.LA(1)<='z') ) {
+                input.consume();
+
+            }
+            else {
+                MismatchedSetException mse = new MismatchedSetException(null,input);
+                recover(mse);
+                throw mse;}
+
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1390:40: ( 'a' .. 'z' | 'A' .. 'Z' | '_' | '0' .. '9' )*
+            loop2:
+            do {
+                int alt2=2;
+                int LA2_0 = input.LA(1);
+
+                if ( ((LA2_0>='0' && LA2_0<='9')||(LA2_0>='A' && LA2_0<='Z')||LA2_0=='_'||(LA2_0>='a' && LA2_0<='z')) ) {
+                    alt2=1;
+                }
+
+
+                switch (alt2) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:
+            	    {
+            	    if ( (input.LA(1)>='0' && input.LA(1)<='9')||(input.LA(1)>='A' && input.LA(1)<='Z')||input.LA(1)=='_'||(input.LA(1)>='a' && input.LA(1)<='z') ) {
+            	        input.consume();
+
+            	    }
+            	    else {
+            	        MismatchedSetException mse = new MismatchedSetException(null,input);
+            	        recover(mse);
+            	        throw mse;}
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop2;
+                }
+            } while (true);
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_ID"
+
+    // $ANTLR start "RULE_INT"
+    public final void mRULE_INT() throws RecognitionException {
+        try {
+            int _type = RULE_INT;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1392:10: ( ( '0' .. '9' )+ )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1392:12: ( '0' .. '9' )+
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1392:12: ( '0' .. '9' )+
+            int cnt3=0;
+            loop3:
+            do {
+                int alt3=2;
+                int LA3_0 = input.LA(1);
+
+                if ( ((LA3_0>='0' && LA3_0<='9')) ) {
+                    alt3=1;
+                }
+
+
+                switch (alt3) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1392:13: '0' .. '9'
+            	    {
+            	    matchRange('0','9'); 
+
+            	    }
+            	    break;
+
+            	default :
+            	    if ( cnt3 >= 1 ) break loop3;
+                        EarlyExitException eee =
+                            new EarlyExitException(3, input);
+                        throw eee;
+                }
+                cnt3++;
+            } while (true);
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_INT"
+
+    // $ANTLR start "RULE_STRING"
+    public final void mRULE_STRING() throws RecognitionException {
+        try {
+            int _type = RULE_STRING;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1394:13: ( ( '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"' | '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\'' ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1394:15: ( '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"' | '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\'' )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1394:15: ( '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"' | '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\'' )
+            int alt6=2;
+            int LA6_0 = input.LA(1);
+
+            if ( (LA6_0=='\"') ) {
+                alt6=1;
+            }
+            else if ( (LA6_0=='\'') ) {
+                alt6=2;
+            }
+            else {
+                NoViableAltException nvae =
+                    new NoViableAltException("", 6, 0, input);
+
+                throw nvae;
+            }
+            switch (alt6) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1394:16: '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"'
+                    {
+                    match('\"'); 
+                    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1394:20: ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )*
+                    loop4:
+                    do {
+                        int alt4=3;
+                        int LA4_0 = input.LA(1);
+
+                        if ( (LA4_0=='\\') ) {
+                            alt4=1;
+                        }
+                        else if ( ((LA4_0>='\u0000' && LA4_0<='!')||(LA4_0>='#' && LA4_0<='[')||(LA4_0>=']' && LA4_0<='\uFFFF')) ) {
+                            alt4=2;
+                        }
+
+
+                        switch (alt4) {
+                    	case 1 :
+                    	    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1394:21: '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' )
+                    	    {
+                    	    match('\\'); 
+                    	    if ( input.LA(1)=='\"'||input.LA(1)=='\''||input.LA(1)=='\\'||input.LA(1)=='b'||input.LA(1)=='f'||input.LA(1)=='n'||input.LA(1)=='r'||(input.LA(1)>='t' && input.LA(1)<='u') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+                    	case 2 :
+                    	    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1394:66: ~ ( ( '\\\\' | '\"' ) )
+                    	    {
+                    	    if ( (input.LA(1)>='\u0000' && input.LA(1)<='!')||(input.LA(1)>='#' && input.LA(1)<='[')||(input.LA(1)>=']' && input.LA(1)<='\uFFFF') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+
+                    	default :
+                    	    break loop4;
+                        }
+                    } while (true);
+
+                    match('\"'); 
+
+                    }
+                    break;
+                case 2 :
+                    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1394:86: '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\''
+                    {
+                    match('\''); 
+                    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1394:91: ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )*
+                    loop5:
+                    do {
+                        int alt5=3;
+                        int LA5_0 = input.LA(1);
+
+                        if ( (LA5_0=='\\') ) {
+                            alt5=1;
+                        }
+                        else if ( ((LA5_0>='\u0000' && LA5_0<='&')||(LA5_0>='(' && LA5_0<='[')||(LA5_0>=']' && LA5_0<='\uFFFF')) ) {
+                            alt5=2;
+                        }
+
+
+                        switch (alt5) {
+                    	case 1 :
+                    	    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1394:92: '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' )
+                    	    {
+                    	    match('\\'); 
+                    	    if ( input.LA(1)=='\"'||input.LA(1)=='\''||input.LA(1)=='\\'||input.LA(1)=='b'||input.LA(1)=='f'||input.LA(1)=='n'||input.LA(1)=='r'||(input.LA(1)>='t' && input.LA(1)<='u') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+                    	case 2 :
+                    	    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1394:137: ~ ( ( '\\\\' | '\\'' ) )
+                    	    {
+                    	    if ( (input.LA(1)>='\u0000' && input.LA(1)<='&')||(input.LA(1)>='(' && input.LA(1)<='[')||(input.LA(1)>=']' && input.LA(1)<='\uFFFF') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+
+                    	default :
+                    	    break loop5;
+                        }
+                    } while (true);
+
+                    match('\''); 
+
+                    }
+                    break;
+
+            }
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_STRING"
+
+    // $ANTLR start "RULE_ML_COMMENT"
+    public final void mRULE_ML_COMMENT() throws RecognitionException {
+        try {
+            int _type = RULE_ML_COMMENT;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1396:17: ( '/*' ( options {greedy=false; } : . )* '*/' )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1396:19: '/*' ( options {greedy=false; } : . )* '*/'
+            {
+            match("/*"); 
+
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1396:24: ( options {greedy=false; } : . )*
+            loop7:
+            do {
+                int alt7=2;
+                int LA7_0 = input.LA(1);
+
+                if ( (LA7_0=='*') ) {
+                    int LA7_1 = input.LA(2);
+
+                    if ( (LA7_1=='/') ) {
+                        alt7=2;
+                    }
+                    else if ( ((LA7_1>='\u0000' && LA7_1<='.')||(LA7_1>='0' && LA7_1<='\uFFFF')) ) {
+                        alt7=1;
+                    }
+
+
+                }
+                else if ( ((LA7_0>='\u0000' && LA7_0<=')')||(LA7_0>='+' && LA7_0<='\uFFFF')) ) {
+                    alt7=1;
+                }
+
+
+                switch (alt7) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1396:52: .
+            	    {
+            	    matchAny(); 
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop7;
+                }
+            } while (true);
+
+            match("*/"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_ML_COMMENT"
+
+    // $ANTLR start "RULE_SL_COMMENT"
+    public final void mRULE_SL_COMMENT() throws RecognitionException {
+        try {
+            int _type = RULE_SL_COMMENT;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1398:17: ( '//' (~ ( ( '\\n' | '\\r' ) ) )* ( ( '\\r' )? '\\n' )? )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1398:19: '//' (~ ( ( '\\n' | '\\r' ) ) )* ( ( '\\r' )? '\\n' )?
+            {
+            match("//"); 
+
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1398:24: (~ ( ( '\\n' | '\\r' ) ) )*
+            loop8:
+            do {
+                int alt8=2;
+                int LA8_0 = input.LA(1);
+
+                if ( ((LA8_0>='\u0000' && LA8_0<='\t')||(LA8_0>='\u000B' && LA8_0<='\f')||(LA8_0>='\u000E' && LA8_0<='\uFFFF')) ) {
+                    alt8=1;
+                }
+
+
+                switch (alt8) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1398:24: ~ ( ( '\\n' | '\\r' ) )
+            	    {
+            	    if ( (input.LA(1)>='\u0000' && input.LA(1)<='\t')||(input.LA(1)>='\u000B' && input.LA(1)<='\f')||(input.LA(1)>='\u000E' && input.LA(1)<='\uFFFF') ) {
+            	        input.consume();
+
+            	    }
+            	    else {
+            	        MismatchedSetException mse = new MismatchedSetException(null,input);
+            	        recover(mse);
+            	        throw mse;}
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop8;
+                }
+            } while (true);
+
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1398:40: ( ( '\\r' )? '\\n' )?
+            int alt10=2;
+            int LA10_0 = input.LA(1);
+
+            if ( (LA10_0=='\n'||LA10_0=='\r') ) {
+                alt10=1;
+            }
+            switch (alt10) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1398:41: ( '\\r' )? '\\n'
+                    {
+                    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1398:41: ( '\\r' )?
+                    int alt9=2;
+                    int LA9_0 = input.LA(1);
+
+                    if ( (LA9_0=='\r') ) {
+                        alt9=1;
+                    }
+                    switch (alt9) {
+                        case 1 :
+                            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1398:41: '\\r'
+                            {
+                            match('\r'); 
+
+                            }
+                            break;
+
+                    }
+
+                    match('\n'); 
+
+                    }
+                    break;
+
+            }
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_SL_COMMENT"
+
+    // $ANTLR start "RULE_WS"
+    public final void mRULE_WS() throws RecognitionException {
+        try {
+            int _type = RULE_WS;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1400:9: ( ( ' ' | '\\t' | '\\r' | '\\n' )+ )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1400:11: ( ' ' | '\\t' | '\\r' | '\\n' )+
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1400:11: ( ' ' | '\\t' | '\\r' | '\\n' )+
+            int cnt11=0;
+            loop11:
+            do {
+                int alt11=2;
+                int LA11_0 = input.LA(1);
+
+                if ( ((LA11_0>='\t' && LA11_0<='\n')||LA11_0=='\r'||LA11_0==' ') ) {
+                    alt11=1;
+                }
+
+
+                switch (alt11) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:
+            	    {
+            	    if ( (input.LA(1)>='\t' && input.LA(1)<='\n')||input.LA(1)=='\r'||input.LA(1)==' ' ) {
+            	        input.consume();
+
+            	    }
+            	    else {
+            	        MismatchedSetException mse = new MismatchedSetException(null,input);
+            	        recover(mse);
+            	        throw mse;}
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    if ( cnt11 >= 1 ) break loop11;
+                        EarlyExitException eee =
+                            new EarlyExitException(11, input);
+                        throw eee;
+                }
+                cnt11++;
+            } while (true);
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_WS"
+
+    // $ANTLR start "RULE_ANY_OTHER"
+    public final void mRULE_ANY_OTHER() throws RecognitionException {
+        try {
+            int _type = RULE_ANY_OTHER;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1402:16: ( . )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1402:18: .
+            {
+            matchAny(); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_ANY_OTHER"
+
+    public void mTokens() throws RecognitionException {
+        // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1:8: ( T__11 | T__12 | T__13 | T__14 | T__15 | T__16 | T__17 | T__18 | T__19 | RULE_ID | RULE_INT | RULE_STRING | RULE_ML_COMMENT | RULE_SL_COMMENT | RULE_WS | RULE_ANY_OTHER )
+        int alt12=16;
+        alt12 = dfa12.predict(input);
+        switch (alt12) {
+            case 1 :
+                // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1:10: T__11
+                {
+                mT__11(); 
+
+                }
+                break;
+            case 2 :
+                // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1:16: T__12
+                {
+                mT__12(); 
+
+                }
+                break;
+            case 3 :
+                // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1:22: T__13
+                {
+                mT__13(); 
+
+                }
+                break;
+            case 4 :
+                // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1:28: T__14
+                {
+                mT__14(); 
+
+                }
+                break;
+            case 5 :
+                // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1:34: T__15
+                {
+                mT__15(); 
+
+                }
+                break;
+            case 6 :
+                // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1:40: T__16
+                {
+                mT__16(); 
+
+                }
+                break;
+            case 7 :
+                // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1:46: T__17
+                {
+                mT__17(); 
+
+                }
+                break;
+            case 8 :
+                // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1:52: T__18
+                {
+                mT__18(); 
+
+                }
+                break;
+            case 9 :
+                // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1:58: T__19
+                {
+                mT__19(); 
+
+                }
+                break;
+            case 10 :
+                // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1:64: RULE_ID
+                {
+                mRULE_ID(); 
+
+                }
+                break;
+            case 11 :
+                // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1:72: RULE_INT
+                {
+                mRULE_INT(); 
+
+                }
+                break;
+            case 12 :
+                // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1:81: RULE_STRING
+                {
+                mRULE_STRING(); 
+
+                }
+                break;
+            case 13 :
+                // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1:93: RULE_ML_COMMENT
+                {
+                mRULE_ML_COMMENT(); 
+
+                }
+                break;
+            case 14 :
+                // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1:109: RULE_SL_COMMENT
+                {
+                mRULE_SL_COMMENT(); 
+
+                }
+                break;
+            case 15 :
+                // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1:125: RULE_WS
+                {
+                mRULE_WS(); 
+
+                }
+                break;
+            case 16 :
+                // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1:133: RULE_ANY_OTHER
+                {
+                mRULE_ANY_OTHER(); 
+
+                }
+                break;
+
+        }
+
+    }
+
+
+    protected DFA12 dfa12 = new DFA12(this);
+    static final String DFA12_eotS =
+        "\1\uffff\5\23\2\uffff\2\20\2\uffff\3\20\2\uffff\2\23\1\uffff\4\23"+
+        "\10\uffff\1\23\1\47\5\23\1\uffff\7\23\1\64\1\23\1\66\2\23\1\uffff"+
+        "\1\23\1\uffff\2\23\1\74\1\23\1\76\1\uffff\1\23\1\uffff\1\23\1\101"+
+        "\1\uffff";
+    static final String DFA12_eofS =
+        "\102\uffff";
+    static final String DFA12_minS =
+        "\1\0\1\156\1\145\1\157\1\164\1\143\2\uffff\1\76\1\101\2\uffff\2"+
+        "\0\1\52\2\uffff\1\145\1\144\1\uffff\1\163\1\155\1\141\1\164\10\uffff"+
+        "\1\156\1\60\1\145\1\155\1\164\1\151\1\164\1\uffff\1\164\1\141\1"+
+        "\145\1\157\1\163\1\105\1\156\1\60\1\156\1\60\1\166\1\144\1\uffff"+
+        "\1\163\1\uffff\1\145\1\163\1\60\1\156\1\60\1\uffff\1\164\1\uffff"+
+        "\1\163\1\60\1\uffff";
+    static final String DFA12_maxS =
+        "\1\uffff\1\166\1\145\1\157\1\164\1\143\2\uffff\1\76\1\172\2\uffff"+
+        "\2\uffff\1\57\2\uffff\1\145\1\144\1\uffff\1\163\1\155\1\141\1\164"+
+        "\10\uffff\1\156\1\172\1\145\1\155\1\164\1\151\1\164\1\uffff\1\164"+
+        "\1\141\1\145\1\157\1\163\1\105\1\156\1\172\1\156\1\172\1\166\1\144"+
+        "\1\uffff\1\163\1\uffff\1\145\1\163\1\172\1\156\1\172\1\uffff\1\164"+
+        "\1\uffff\1\163\1\172\1\uffff";
+    static final String DFA12_acceptS =
+        "\6\uffff\1\7\1\10\2\uffff\1\12\1\13\3\uffff\1\17\1\20\2\uffff\1"+
+        "\12\4\uffff\1\7\1\10\1\11\1\13\1\14\1\15\1\16\1\17\7\uffff\1\2\14"+
+        "\uffff\1\5\1\uffff\1\1\5\uffff\1\6\1\uffff\1\4\2\uffff\1\3";
+    static final String DFA12_specialS =
+        "\1\1\13\uffff\1\2\1\0\64\uffff}>";
+    static final String[] DFA12_transitionS = {
+            "\11\20\2\17\2\20\1\17\22\20\1\17\1\20\1\14\4\20\1\15\7\20\1"+
+            "\16\12\13\3\20\1\10\3\20\32\12\3\20\1\11\1\12\1\20\1\5\1\12"+
+            "\1\3\1\12\1\1\14\12\1\2\1\4\7\12\1\6\1\20\1\7\uff82\20",
+            "\1\22\7\uffff\1\21",
+            "\1\24",
+            "\1\25",
+            "\1\26",
+            "\1\27",
+            "",
+            "",
+            "\1\32",
+            "\32\23\4\uffff\1\23\1\uffff\32\23",
+            "",
+            "",
+            "\0\34",
+            "\0\34",
+            "\1\35\4\uffff\1\36",
+            "",
+            "",
+            "\1\40",
+            "\1\41",
+            "",
+            "\1\42",
+            "\1\43",
+            "\1\44",
+            "\1\45",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "\1\46",
+            "\12\23\7\uffff\32\23\4\uffff\1\23\1\uffff\32\23",
+            "\1\50",
+            "\1\51",
+            "\1\52",
+            "\1\53",
+            "\1\54",
+            "",
+            "\1\55",
+            "\1\56",
+            "\1\57",
+            "\1\60",
+            "\1\61",
+            "\1\62",
+            "\1\63",
+            "\12\23\7\uffff\32\23\4\uffff\1\23\1\uffff\32\23",
+            "\1\65",
+            "\12\23\7\uffff\32\23\4\uffff\1\23\1\uffff\32\23",
+            "\1\67",
+            "\1\70",
+            "",
+            "\1\71",
+            "",
+            "\1\72",
+            "\1\73",
+            "\12\23\7\uffff\32\23\4\uffff\1\23\1\uffff\32\23",
+            "\1\75",
+            "\12\23\7\uffff\32\23\4\uffff\1\23\1\uffff\32\23",
+            "",
+            "\1\77",
+            "",
+            "\1\100",
+            "\12\23\7\uffff\32\23\4\uffff\1\23\1\uffff\32\23",
+            ""
+    };
+
+    static final short[] DFA12_eot = DFA.unpackEncodedString(DFA12_eotS);
+    static final short[] DFA12_eof = DFA.unpackEncodedString(DFA12_eofS);
+    static final char[] DFA12_min = DFA.unpackEncodedStringToUnsignedChars(DFA12_minS);
+    static final char[] DFA12_max = DFA.unpackEncodedStringToUnsignedChars(DFA12_maxS);
+    static final short[] DFA12_accept = DFA.unpackEncodedString(DFA12_acceptS);
+    static final short[] DFA12_special = DFA.unpackEncodedString(DFA12_specialS);
+    static final short[][] DFA12_transition;
+
+    static {
+        int numStates = DFA12_transitionS.length;
+        DFA12_transition = new short[numStates][];
+        for (int i=0; i<numStates; i++) {
+            DFA12_transition[i] = DFA.unpackEncodedString(DFA12_transitionS[i]);
+        }
+    }
+
+    class DFA12 extends DFA {
+
+        public DFA12(BaseRecognizer recognizer) {
+            this.recognizer = recognizer;
+            this.decisionNumber = 12;
+            this.eot = DFA12_eot;
+            this.eof = DFA12_eof;
+            this.min = DFA12_min;
+            this.max = DFA12_max;
+            this.accept = DFA12_accept;
+            this.special = DFA12_special;
+            this.transition = DFA12_transition;
+        }
+        public String getDescription() {
+            return "1:1: Tokens : ( T__11 | T__12 | T__13 | T__14 | T__15 | T__16 | T__17 | T__18 | T__19 | RULE_ID | RULE_INT | RULE_STRING | RULE_ML_COMMENT | RULE_SL_COMMENT | RULE_WS | RULE_ANY_OTHER );";
+        }
+        public int specialStateTransition(int s, IntStream _input) throws NoViableAltException {
+            IntStream input = _input;
+        	int _s = s;
+            switch ( s ) {
+                    case 0 : 
+                        int LA12_13 = input.LA(1);
+
+                        s = -1;
+                        if ( ((LA12_13>='\u0000' && LA12_13<='\uFFFF')) ) {s = 28;}
+
+                        else s = 16;
+
+                        if ( s>=0 ) return s;
+                        break;
+                    case 1 : 
+                        int LA12_0 = input.LA(1);
+
+                        s = -1;
+                        if ( (LA12_0=='e') ) {s = 1;}
+
+                        else if ( (LA12_0=='r') ) {s = 2;}
+
+                        else if ( (LA12_0=='c') ) {s = 3;}
+
+                        else if ( (LA12_0=='s') ) {s = 4;}
+
+                        else if ( (LA12_0=='a') ) {s = 5;}
+
+                        else if ( (LA12_0=='{') ) {s = 6;}
+
+                        else if ( (LA12_0=='}') ) {s = 7;}
+
+                        else if ( (LA12_0=='=') ) {s = 8;}
+
+                        else if ( (LA12_0=='^') ) {s = 9;}
+
+                        else if ( ((LA12_0>='A' && LA12_0<='Z')||LA12_0=='_'||LA12_0=='b'||LA12_0=='d'||(LA12_0>='f' && LA12_0<='q')||(LA12_0>='t' && LA12_0<='z')) ) {s = 10;}
+
+                        else if ( ((LA12_0>='0' && LA12_0<='9')) ) {s = 11;}
+
+                        else if ( (LA12_0=='\"') ) {s = 12;}
+
+                        else if ( (LA12_0=='\'') ) {s = 13;}
+
+                        else if ( (LA12_0=='/') ) {s = 14;}
+
+                        else if ( ((LA12_0>='\t' && LA12_0<='\n')||LA12_0=='\r'||LA12_0==' ') ) {s = 15;}
+
+                        else if ( ((LA12_0>='\u0000' && LA12_0<='\b')||(LA12_0>='\u000B' && LA12_0<='\f')||(LA12_0>='\u000E' && LA12_0<='\u001F')||LA12_0=='!'||(LA12_0>='#' && LA12_0<='&')||(LA12_0>='(' && LA12_0<='.')||(LA12_0>=':' && LA12_0<='<')||(LA12_0>='>' && LA12_0<='@')||(LA12_0>='[' && LA12_0<=']')||LA12_0=='`'||LA12_0=='|'||(LA12_0>='~' && LA12_0<='\uFFFF')) ) {s = 16;}
+
+                        if ( s>=0 ) return s;
+                        break;
+                    case 2 : 
+                        int LA12_12 = input.LA(1);
+
+                        s = -1;
+                        if ( ((LA12_12>='\u0000' && LA12_12<='\uFFFF')) ) {s = 28;}
+
+                        else s = 16;
+
+                        if ( s>=0 ) return s;
+                        break;
+            }
+            NoViableAltException nvae =
+                new NoViableAltException(getDescription(), 12, _s, input);
+            error(nvae);
+            throw nvae;
+        }
+    }
+ 
+
+}
\ No newline at end of file
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachineParser.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachineParser.java
new file mode 100644
index 0000000..f9170da
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachineParser.java
@@ -0,0 +1,3740 @@
+package org.eclipse.xtext.example.fowlerdsl.ui.contentassist.antlr.internal; 
+
+import java.io.InputStream;
+import org.eclipse.xtext.*;
+import org.eclipse.xtext.parser.*;
+import org.eclipse.xtext.parser.impl.*;
+import org.eclipse.emf.ecore.util.EcoreUtil;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream.HiddenTokens;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.AbstractInternalContentAssistParser;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.DFA;
+import org.eclipse.xtext.example.fowlerdsl.services.StatemachineGrammarAccess;
+
+
+
+import org.antlr.runtime.*;
+import java.util.Stack;
+import java.util.List;
+import java.util.ArrayList;
+
+@SuppressWarnings("all")
+public class InternalStatemachineParser extends AbstractInternalContentAssistParser {
+    public static final String[] tokenNames = new String[] {
+        "<invalid>", "<EOR>", "<DOWN>", "<UP>", "RULE_ID", "RULE_INT", "RULE_STRING", "RULE_ML_COMMENT", "RULE_SL_COMMENT", "RULE_WS", "RULE_ANY_OTHER", "'events'", "'end'", "'resetEvents'", "'commands'", "'state'", "'actions'", "'{'", "'}'", "'=>'"
+    };
+    public static final int RULE_ID=4;
+    public static final int RULE_ANY_OTHER=10;
+    public static final int EOF=-1;
+    public static final int RULE_SL_COMMENT=8;
+    public static final int RULE_ML_COMMENT=7;
+    public static final int T__19=19;
+    public static final int RULE_STRING=6;
+    public static final int T__16=16;
+    public static final int T__15=15;
+    public static final int T__18=18;
+    public static final int T__17=17;
+    public static final int T__12=12;
+    public static final int T__11=11;
+    public static final int T__14=14;
+    public static final int T__13=13;
+    public static final int RULE_INT=5;
+    public static final int RULE_WS=9;
+
+    // delegates
+    // delegators
+
+
+        public InternalStatemachineParser(TokenStream input) {
+            this(input, new RecognizerSharedState());
+        }
+        public InternalStatemachineParser(TokenStream input, RecognizerSharedState state) {
+            super(input, state);
+             
+        }
+        
+
+    public String[] getTokenNames() { return InternalStatemachineParser.tokenNames; }
+    public String getGrammarFileName() { return "../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g"; }
+
+
+     
+     	private StatemachineGrammarAccess grammarAccess;
+     	
+        public void setGrammarAccess(StatemachineGrammarAccess grammarAccess) {
+        	this.grammarAccess = grammarAccess;
+        }
+        
+        @Override
+        protected Grammar getGrammar() {
+        	return grammarAccess.getGrammar();
+        }
+        
+        @Override
+        protected String getValueForTokenName(String tokenName) {
+        	return tokenName;
+        }
+
+
+
+
+    // $ANTLR start "entryRuleStatemachine"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:60:1: entryRuleStatemachine : ruleStatemachine EOF ;
+    public final void entryRuleStatemachine() throws RecognitionException {
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:61:1: ( ruleStatemachine EOF )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:62:1: ruleStatemachine EOF
+            {
+             before(grammarAccess.getStatemachineRule()); 
+            pushFollow(FOLLOW_ruleStatemachine_in_entryRuleStatemachine61);
+            ruleStatemachine();
+
+            state._fsp--;
+
+             after(grammarAccess.getStatemachineRule()); 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleStatemachine68); 
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+        }
+        return ;
+    }
+    // $ANTLR end "entryRuleStatemachine"
+
+
+    // $ANTLR start "ruleStatemachine"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:69:1: ruleStatemachine : ( ( rule__Statemachine__Group__0 ) ) ;
+    public final void ruleStatemachine() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:73:2: ( ( ( rule__Statemachine__Group__0 ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:74:1: ( ( rule__Statemachine__Group__0 ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:74:1: ( ( rule__Statemachine__Group__0 ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:75:1: ( rule__Statemachine__Group__0 )
+            {
+             before(grammarAccess.getStatemachineAccess().getGroup()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:76:1: ( rule__Statemachine__Group__0 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:76:2: rule__Statemachine__Group__0
+            {
+            pushFollow(FOLLOW_rule__Statemachine__Group__0_in_ruleStatemachine94);
+            rule__Statemachine__Group__0();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getStatemachineAccess().getGroup()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "ruleStatemachine"
+
+
+    // $ANTLR start "entryRuleEvent"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:88:1: entryRuleEvent : ruleEvent EOF ;
+    public final void entryRuleEvent() throws RecognitionException {
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:89:1: ( ruleEvent EOF )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:90:1: ruleEvent EOF
+            {
+             before(grammarAccess.getEventRule()); 
+            pushFollow(FOLLOW_ruleEvent_in_entryRuleEvent121);
+            ruleEvent();
+
+            state._fsp--;
+
+             after(grammarAccess.getEventRule()); 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleEvent128); 
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+        }
+        return ;
+    }
+    // $ANTLR end "entryRuleEvent"
+
+
+    // $ANTLR start "ruleEvent"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:97:1: ruleEvent : ( ( rule__Event__Group__0 ) ) ;
+    public final void ruleEvent() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:101:2: ( ( ( rule__Event__Group__0 ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:102:1: ( ( rule__Event__Group__0 ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:102:1: ( ( rule__Event__Group__0 ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:103:1: ( rule__Event__Group__0 )
+            {
+             before(grammarAccess.getEventAccess().getGroup()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:104:1: ( rule__Event__Group__0 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:104:2: rule__Event__Group__0
+            {
+            pushFollow(FOLLOW_rule__Event__Group__0_in_ruleEvent154);
+            rule__Event__Group__0();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getEventAccess().getGroup()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "ruleEvent"
+
+
+    // $ANTLR start "entryRuleCommand"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:116:1: entryRuleCommand : ruleCommand EOF ;
+    public final void entryRuleCommand() throws RecognitionException {
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:117:1: ( ruleCommand EOF )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:118:1: ruleCommand EOF
+            {
+             before(grammarAccess.getCommandRule()); 
+            pushFollow(FOLLOW_ruleCommand_in_entryRuleCommand181);
+            ruleCommand();
+
+            state._fsp--;
+
+             after(grammarAccess.getCommandRule()); 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleCommand188); 
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+        }
+        return ;
+    }
+    // $ANTLR end "entryRuleCommand"
+
+
+    // $ANTLR start "ruleCommand"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:125:1: ruleCommand : ( ( rule__Command__Group__0 ) ) ;
+    public final void ruleCommand() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:129:2: ( ( ( rule__Command__Group__0 ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:130:1: ( ( rule__Command__Group__0 ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:130:1: ( ( rule__Command__Group__0 ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:131:1: ( rule__Command__Group__0 )
+            {
+             before(grammarAccess.getCommandAccess().getGroup()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:132:1: ( rule__Command__Group__0 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:132:2: rule__Command__Group__0
+            {
+            pushFollow(FOLLOW_rule__Command__Group__0_in_ruleCommand214);
+            rule__Command__Group__0();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getCommandAccess().getGroup()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "ruleCommand"
+
+
+    // $ANTLR start "entryRuleState"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:144:1: entryRuleState : ruleState EOF ;
+    public final void entryRuleState() throws RecognitionException {
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:145:1: ( ruleState EOF )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:146:1: ruleState EOF
+            {
+             before(grammarAccess.getStateRule()); 
+            pushFollow(FOLLOW_ruleState_in_entryRuleState241);
+            ruleState();
+
+            state._fsp--;
+
+             after(grammarAccess.getStateRule()); 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleState248); 
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+        }
+        return ;
+    }
+    // $ANTLR end "entryRuleState"
+
+
+    // $ANTLR start "ruleState"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:153:1: ruleState : ( ( rule__State__Group__0 ) ) ;
+    public final void ruleState() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:157:2: ( ( ( rule__State__Group__0 ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:158:1: ( ( rule__State__Group__0 ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:158:1: ( ( rule__State__Group__0 ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:159:1: ( rule__State__Group__0 )
+            {
+             before(grammarAccess.getStateAccess().getGroup()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:160:1: ( rule__State__Group__0 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:160:2: rule__State__Group__0
+            {
+            pushFollow(FOLLOW_rule__State__Group__0_in_ruleState274);
+            rule__State__Group__0();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getStateAccess().getGroup()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "ruleState"
+
+
+    // $ANTLR start "entryRuleTransition"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:172:1: entryRuleTransition : ruleTransition EOF ;
+    public final void entryRuleTransition() throws RecognitionException {
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:173:1: ( ruleTransition EOF )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:174:1: ruleTransition EOF
+            {
+             before(grammarAccess.getTransitionRule()); 
+            pushFollow(FOLLOW_ruleTransition_in_entryRuleTransition301);
+            ruleTransition();
+
+            state._fsp--;
+
+             after(grammarAccess.getTransitionRule()); 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleTransition308); 
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+        }
+        return ;
+    }
+    // $ANTLR end "entryRuleTransition"
+
+
+    // $ANTLR start "ruleTransition"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:181:1: ruleTransition : ( ( rule__Transition__Group__0 ) ) ;
+    public final void ruleTransition() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:185:2: ( ( ( rule__Transition__Group__0 ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:186:1: ( ( rule__Transition__Group__0 ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:186:1: ( ( rule__Transition__Group__0 ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:187:1: ( rule__Transition__Group__0 )
+            {
+             before(grammarAccess.getTransitionAccess().getGroup()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:188:1: ( rule__Transition__Group__0 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:188:2: rule__Transition__Group__0
+            {
+            pushFollow(FOLLOW_rule__Transition__Group__0_in_ruleTransition334);
+            rule__Transition__Group__0();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getTransitionAccess().getGroup()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "ruleTransition"
+
+
+    // $ANTLR start "rule__Statemachine__Group__0"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:202:1: rule__Statemachine__Group__0 : rule__Statemachine__Group__0__Impl rule__Statemachine__Group__1 ;
+    public final void rule__Statemachine__Group__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:206:1: ( rule__Statemachine__Group__0__Impl rule__Statemachine__Group__1 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:207:2: rule__Statemachine__Group__0__Impl rule__Statemachine__Group__1
+            {
+            pushFollow(FOLLOW_rule__Statemachine__Group__0__Impl_in_rule__Statemachine__Group__0368);
+            rule__Statemachine__Group__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Statemachine__Group__1_in_rule__Statemachine__Group__0371);
+            rule__Statemachine__Group__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group__0"
+
+
+    // $ANTLR start "rule__Statemachine__Group__0__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:214:1: rule__Statemachine__Group__0__Impl : ( () ) ;
+    public final void rule__Statemachine__Group__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:218:1: ( ( () ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:219:1: ( () )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:219:1: ( () )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:220:1: ()
+            {
+             before(grammarAccess.getStatemachineAccess().getStatemachineAction_0()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:221:1: ()
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:223:1: 
+            {
+            }
+
+             after(grammarAccess.getStatemachineAccess().getStatemachineAction_0()); 
+
+            }
+
+
+            }
+
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group__0__Impl"
+
+
+    // $ANTLR start "rule__Statemachine__Group__1"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:233:1: rule__Statemachine__Group__1 : rule__Statemachine__Group__1__Impl rule__Statemachine__Group__2 ;
+    public final void rule__Statemachine__Group__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:237:1: ( rule__Statemachine__Group__1__Impl rule__Statemachine__Group__2 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:238:2: rule__Statemachine__Group__1__Impl rule__Statemachine__Group__2
+            {
+            pushFollow(FOLLOW_rule__Statemachine__Group__1__Impl_in_rule__Statemachine__Group__1429);
+            rule__Statemachine__Group__1__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Statemachine__Group__2_in_rule__Statemachine__Group__1432);
+            rule__Statemachine__Group__2();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group__1"
+
+
+    // $ANTLR start "rule__Statemachine__Group__1__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:245:1: rule__Statemachine__Group__1__Impl : ( ( rule__Statemachine__Group_1__0 )? ) ;
+    public final void rule__Statemachine__Group__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:249:1: ( ( ( rule__Statemachine__Group_1__0 )? ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:250:1: ( ( rule__Statemachine__Group_1__0 )? )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:250:1: ( ( rule__Statemachine__Group_1__0 )? )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:251:1: ( rule__Statemachine__Group_1__0 )?
+            {
+             before(grammarAccess.getStatemachineAccess().getGroup_1()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:252:1: ( rule__Statemachine__Group_1__0 )?
+            int alt1=2;
+            int LA1_0 = input.LA(1);
+
+            if ( (LA1_0==11) ) {
+                alt1=1;
+            }
+            switch (alt1) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:252:2: rule__Statemachine__Group_1__0
+                    {
+                    pushFollow(FOLLOW_rule__Statemachine__Group_1__0_in_rule__Statemachine__Group__1__Impl459);
+                    rule__Statemachine__Group_1__0();
+
+                    state._fsp--;
+
+
+                    }
+                    break;
+
+            }
+
+             after(grammarAccess.getStatemachineAccess().getGroup_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group__1__Impl"
+
+
+    // $ANTLR start "rule__Statemachine__Group__2"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:262:1: rule__Statemachine__Group__2 : rule__Statemachine__Group__2__Impl rule__Statemachine__Group__3 ;
+    public final void rule__Statemachine__Group__2() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:266:1: ( rule__Statemachine__Group__2__Impl rule__Statemachine__Group__3 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:267:2: rule__Statemachine__Group__2__Impl rule__Statemachine__Group__3
+            {
+            pushFollow(FOLLOW_rule__Statemachine__Group__2__Impl_in_rule__Statemachine__Group__2490);
+            rule__Statemachine__Group__2__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Statemachine__Group__3_in_rule__Statemachine__Group__2493);
+            rule__Statemachine__Group__3();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group__2"
+
+
+    // $ANTLR start "rule__Statemachine__Group__2__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:274:1: rule__Statemachine__Group__2__Impl : ( ( rule__Statemachine__Group_2__0 )? ) ;
+    public final void rule__Statemachine__Group__2__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:278:1: ( ( ( rule__Statemachine__Group_2__0 )? ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:279:1: ( ( rule__Statemachine__Group_2__0 )? )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:279:1: ( ( rule__Statemachine__Group_2__0 )? )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:280:1: ( rule__Statemachine__Group_2__0 )?
+            {
+             before(grammarAccess.getStatemachineAccess().getGroup_2()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:281:1: ( rule__Statemachine__Group_2__0 )?
+            int alt2=2;
+            int LA2_0 = input.LA(1);
+
+            if ( (LA2_0==13) ) {
+                alt2=1;
+            }
+            switch (alt2) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:281:2: rule__Statemachine__Group_2__0
+                    {
+                    pushFollow(FOLLOW_rule__Statemachine__Group_2__0_in_rule__Statemachine__Group__2__Impl520);
+                    rule__Statemachine__Group_2__0();
+
+                    state._fsp--;
+
+
+                    }
+                    break;
+
+            }
+
+             after(grammarAccess.getStatemachineAccess().getGroup_2()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group__2__Impl"
+
+
+    // $ANTLR start "rule__Statemachine__Group__3"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:291:1: rule__Statemachine__Group__3 : rule__Statemachine__Group__3__Impl rule__Statemachine__Group__4 ;
+    public final void rule__Statemachine__Group__3() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:295:1: ( rule__Statemachine__Group__3__Impl rule__Statemachine__Group__4 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:296:2: rule__Statemachine__Group__3__Impl rule__Statemachine__Group__4
+            {
+            pushFollow(FOLLOW_rule__Statemachine__Group__3__Impl_in_rule__Statemachine__Group__3551);
+            rule__Statemachine__Group__3__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Statemachine__Group__4_in_rule__Statemachine__Group__3554);
+            rule__Statemachine__Group__4();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group__3"
+
+
+    // $ANTLR start "rule__Statemachine__Group__3__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:303:1: rule__Statemachine__Group__3__Impl : ( ( rule__Statemachine__Group_3__0 )? ) ;
+    public final void rule__Statemachine__Group__3__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:307:1: ( ( ( rule__Statemachine__Group_3__0 )? ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:308:1: ( ( rule__Statemachine__Group_3__0 )? )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:308:1: ( ( rule__Statemachine__Group_3__0 )? )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:309:1: ( rule__Statemachine__Group_3__0 )?
+            {
+             before(grammarAccess.getStatemachineAccess().getGroup_3()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:310:1: ( rule__Statemachine__Group_3__0 )?
+            int alt3=2;
+            int LA3_0 = input.LA(1);
+
+            if ( (LA3_0==14) ) {
+                alt3=1;
+            }
+            switch (alt3) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:310:2: rule__Statemachine__Group_3__0
+                    {
+                    pushFollow(FOLLOW_rule__Statemachine__Group_3__0_in_rule__Statemachine__Group__3__Impl581);
+                    rule__Statemachine__Group_3__0();
+
+                    state._fsp--;
+
+
+                    }
+                    break;
+
+            }
+
+             after(grammarAccess.getStatemachineAccess().getGroup_3()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group__3__Impl"
+
+
+    // $ANTLR start "rule__Statemachine__Group__4"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:320:1: rule__Statemachine__Group__4 : rule__Statemachine__Group__4__Impl ;
+    public final void rule__Statemachine__Group__4() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:324:1: ( rule__Statemachine__Group__4__Impl )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:325:2: rule__Statemachine__Group__4__Impl
+            {
+            pushFollow(FOLLOW_rule__Statemachine__Group__4__Impl_in_rule__Statemachine__Group__4612);
+            rule__Statemachine__Group__4__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group__4"
+
+
+    // $ANTLR start "rule__Statemachine__Group__4__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:331:1: rule__Statemachine__Group__4__Impl : ( ( rule__Statemachine__StatesAssignment_4 )* ) ;
+    public final void rule__Statemachine__Group__4__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:335:1: ( ( ( rule__Statemachine__StatesAssignment_4 )* ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:336:1: ( ( rule__Statemachine__StatesAssignment_4 )* )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:336:1: ( ( rule__Statemachine__StatesAssignment_4 )* )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:337:1: ( rule__Statemachine__StatesAssignment_4 )*
+            {
+             before(grammarAccess.getStatemachineAccess().getStatesAssignment_4()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:338:1: ( rule__Statemachine__StatesAssignment_4 )*
+            loop4:
+            do {
+                int alt4=2;
+                int LA4_0 = input.LA(1);
+
+                if ( (LA4_0==15) ) {
+                    alt4=1;
+                }
+
+
+                switch (alt4) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:338:2: rule__Statemachine__StatesAssignment_4
+            	    {
+            	    pushFollow(FOLLOW_rule__Statemachine__StatesAssignment_4_in_rule__Statemachine__Group__4__Impl639);
+            	    rule__Statemachine__StatesAssignment_4();
+
+            	    state._fsp--;
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop4;
+                }
+            } while (true);
+
+             after(grammarAccess.getStatemachineAccess().getStatesAssignment_4()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group__4__Impl"
+
+
+    // $ANTLR start "rule__Statemachine__Group_1__0"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:358:1: rule__Statemachine__Group_1__0 : rule__Statemachine__Group_1__0__Impl rule__Statemachine__Group_1__1 ;
+    public final void rule__Statemachine__Group_1__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:362:1: ( rule__Statemachine__Group_1__0__Impl rule__Statemachine__Group_1__1 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:363:2: rule__Statemachine__Group_1__0__Impl rule__Statemachine__Group_1__1
+            {
+            pushFollow(FOLLOW_rule__Statemachine__Group_1__0__Impl_in_rule__Statemachine__Group_1__0680);
+            rule__Statemachine__Group_1__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Statemachine__Group_1__1_in_rule__Statemachine__Group_1__0683);
+            rule__Statemachine__Group_1__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group_1__0"
+
+
+    // $ANTLR start "rule__Statemachine__Group_1__0__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:370:1: rule__Statemachine__Group_1__0__Impl : ( 'events' ) ;
+    public final void rule__Statemachine__Group_1__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:374:1: ( ( 'events' ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:375:1: ( 'events' )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:375:1: ( 'events' )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:376:1: 'events'
+            {
+             before(grammarAccess.getStatemachineAccess().getEventsKeyword_1_0()); 
+            match(input,11,FOLLOW_11_in_rule__Statemachine__Group_1__0__Impl711); 
+             after(grammarAccess.getStatemachineAccess().getEventsKeyword_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group_1__0__Impl"
+
+
+    // $ANTLR start "rule__Statemachine__Group_1__1"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:389:1: rule__Statemachine__Group_1__1 : rule__Statemachine__Group_1__1__Impl rule__Statemachine__Group_1__2 ;
+    public final void rule__Statemachine__Group_1__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:393:1: ( rule__Statemachine__Group_1__1__Impl rule__Statemachine__Group_1__2 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:394:2: rule__Statemachine__Group_1__1__Impl rule__Statemachine__Group_1__2
+            {
+            pushFollow(FOLLOW_rule__Statemachine__Group_1__1__Impl_in_rule__Statemachine__Group_1__1742);
+            rule__Statemachine__Group_1__1__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Statemachine__Group_1__2_in_rule__Statemachine__Group_1__1745);
+            rule__Statemachine__Group_1__2();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group_1__1"
+
+
+    // $ANTLR start "rule__Statemachine__Group_1__1__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:401:1: rule__Statemachine__Group_1__1__Impl : ( ( ( rule__Statemachine__EventsAssignment_1_1 ) ) ( ( rule__Statemachine__EventsAssignment_1_1 )* ) ) ;
+    public final void rule__Statemachine__Group_1__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:405:1: ( ( ( ( rule__Statemachine__EventsAssignment_1_1 ) ) ( ( rule__Statemachine__EventsAssignment_1_1 )* ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:406:1: ( ( ( rule__Statemachine__EventsAssignment_1_1 ) ) ( ( rule__Statemachine__EventsAssignment_1_1 )* ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:406:1: ( ( ( rule__Statemachine__EventsAssignment_1_1 ) ) ( ( rule__Statemachine__EventsAssignment_1_1 )* ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:407:1: ( ( rule__Statemachine__EventsAssignment_1_1 ) ) ( ( rule__Statemachine__EventsAssignment_1_1 )* )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:407:1: ( ( rule__Statemachine__EventsAssignment_1_1 ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:408:1: ( rule__Statemachine__EventsAssignment_1_1 )
+            {
+             before(grammarAccess.getStatemachineAccess().getEventsAssignment_1_1()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:409:1: ( rule__Statemachine__EventsAssignment_1_1 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:409:2: rule__Statemachine__EventsAssignment_1_1
+            {
+            pushFollow(FOLLOW_rule__Statemachine__EventsAssignment_1_1_in_rule__Statemachine__Group_1__1__Impl774);
+            rule__Statemachine__EventsAssignment_1_1();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getStatemachineAccess().getEventsAssignment_1_1()); 
+
+            }
+
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:412:1: ( ( rule__Statemachine__EventsAssignment_1_1 )* )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:413:1: ( rule__Statemachine__EventsAssignment_1_1 )*
+            {
+             before(grammarAccess.getStatemachineAccess().getEventsAssignment_1_1()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:414:1: ( rule__Statemachine__EventsAssignment_1_1 )*
+            loop5:
+            do {
+                int alt5=2;
+                int LA5_0 = input.LA(1);
+
+                if ( (LA5_0==RULE_ID) ) {
+                    alt5=1;
+                }
+
+
+                switch (alt5) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:414:2: rule__Statemachine__EventsAssignment_1_1
+            	    {
+            	    pushFollow(FOLLOW_rule__Statemachine__EventsAssignment_1_1_in_rule__Statemachine__Group_1__1__Impl786);
+            	    rule__Statemachine__EventsAssignment_1_1();
+
+            	    state._fsp--;
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop5;
+                }
+            } while (true);
+
+             after(grammarAccess.getStatemachineAccess().getEventsAssignment_1_1()); 
+
+            }
+
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group_1__1__Impl"
+
+
+    // $ANTLR start "rule__Statemachine__Group_1__2"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:425:1: rule__Statemachine__Group_1__2 : rule__Statemachine__Group_1__2__Impl ;
+    public final void rule__Statemachine__Group_1__2() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:429:1: ( rule__Statemachine__Group_1__2__Impl )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:430:2: rule__Statemachine__Group_1__2__Impl
+            {
+            pushFollow(FOLLOW_rule__Statemachine__Group_1__2__Impl_in_rule__Statemachine__Group_1__2819);
+            rule__Statemachine__Group_1__2__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group_1__2"
+
+
+    // $ANTLR start "rule__Statemachine__Group_1__2__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:436:1: rule__Statemachine__Group_1__2__Impl : ( 'end' ) ;
+    public final void rule__Statemachine__Group_1__2__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:440:1: ( ( 'end' ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:441:1: ( 'end' )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:441:1: ( 'end' )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:442:1: 'end'
+            {
+             before(grammarAccess.getStatemachineAccess().getEndKeyword_1_2()); 
+            match(input,12,FOLLOW_12_in_rule__Statemachine__Group_1__2__Impl847); 
+             after(grammarAccess.getStatemachineAccess().getEndKeyword_1_2()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group_1__2__Impl"
+
+
+    // $ANTLR start "rule__Statemachine__Group_2__0"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:461:1: rule__Statemachine__Group_2__0 : rule__Statemachine__Group_2__0__Impl rule__Statemachine__Group_2__1 ;
+    public final void rule__Statemachine__Group_2__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:465:1: ( rule__Statemachine__Group_2__0__Impl rule__Statemachine__Group_2__1 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:466:2: rule__Statemachine__Group_2__0__Impl rule__Statemachine__Group_2__1
+            {
+            pushFollow(FOLLOW_rule__Statemachine__Group_2__0__Impl_in_rule__Statemachine__Group_2__0884);
+            rule__Statemachine__Group_2__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Statemachine__Group_2__1_in_rule__Statemachine__Group_2__0887);
+            rule__Statemachine__Group_2__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group_2__0"
+
+
+    // $ANTLR start "rule__Statemachine__Group_2__0__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:473:1: rule__Statemachine__Group_2__0__Impl : ( 'resetEvents' ) ;
+    public final void rule__Statemachine__Group_2__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:477:1: ( ( 'resetEvents' ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:478:1: ( 'resetEvents' )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:478:1: ( 'resetEvents' )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:479:1: 'resetEvents'
+            {
+             before(grammarAccess.getStatemachineAccess().getResetEventsKeyword_2_0()); 
+            match(input,13,FOLLOW_13_in_rule__Statemachine__Group_2__0__Impl915); 
+             after(grammarAccess.getStatemachineAccess().getResetEventsKeyword_2_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group_2__0__Impl"
+
+
+    // $ANTLR start "rule__Statemachine__Group_2__1"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:492:1: rule__Statemachine__Group_2__1 : rule__Statemachine__Group_2__1__Impl rule__Statemachine__Group_2__2 ;
+    public final void rule__Statemachine__Group_2__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:496:1: ( rule__Statemachine__Group_2__1__Impl rule__Statemachine__Group_2__2 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:497:2: rule__Statemachine__Group_2__1__Impl rule__Statemachine__Group_2__2
+            {
+            pushFollow(FOLLOW_rule__Statemachine__Group_2__1__Impl_in_rule__Statemachine__Group_2__1946);
+            rule__Statemachine__Group_2__1__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Statemachine__Group_2__2_in_rule__Statemachine__Group_2__1949);
+            rule__Statemachine__Group_2__2();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group_2__1"
+
+
+    // $ANTLR start "rule__Statemachine__Group_2__1__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:504:1: rule__Statemachine__Group_2__1__Impl : ( ( ( rule__Statemachine__ResetEventsAssignment_2_1 ) ) ( ( rule__Statemachine__ResetEventsAssignment_2_1 )* ) ) ;
+    public final void rule__Statemachine__Group_2__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:508:1: ( ( ( ( rule__Statemachine__ResetEventsAssignment_2_1 ) ) ( ( rule__Statemachine__ResetEventsAssignment_2_1 )* ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:509:1: ( ( ( rule__Statemachine__ResetEventsAssignment_2_1 ) ) ( ( rule__Statemachine__ResetEventsAssignment_2_1 )* ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:509:1: ( ( ( rule__Statemachine__ResetEventsAssignment_2_1 ) ) ( ( rule__Statemachine__ResetEventsAssignment_2_1 )* ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:510:1: ( ( rule__Statemachine__ResetEventsAssignment_2_1 ) ) ( ( rule__Statemachine__ResetEventsAssignment_2_1 )* )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:510:1: ( ( rule__Statemachine__ResetEventsAssignment_2_1 ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:511:1: ( rule__Statemachine__ResetEventsAssignment_2_1 )
+            {
+             before(grammarAccess.getStatemachineAccess().getResetEventsAssignment_2_1()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:512:1: ( rule__Statemachine__ResetEventsAssignment_2_1 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:512:2: rule__Statemachine__ResetEventsAssignment_2_1
+            {
+            pushFollow(FOLLOW_rule__Statemachine__ResetEventsAssignment_2_1_in_rule__Statemachine__Group_2__1__Impl978);
+            rule__Statemachine__ResetEventsAssignment_2_1();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getStatemachineAccess().getResetEventsAssignment_2_1()); 
+
+            }
+
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:515:1: ( ( rule__Statemachine__ResetEventsAssignment_2_1 )* )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:516:1: ( rule__Statemachine__ResetEventsAssignment_2_1 )*
+            {
+             before(grammarAccess.getStatemachineAccess().getResetEventsAssignment_2_1()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:517:1: ( rule__Statemachine__ResetEventsAssignment_2_1 )*
+            loop6:
+            do {
+                int alt6=2;
+                int LA6_0 = input.LA(1);
+
+                if ( (LA6_0==RULE_ID) ) {
+                    alt6=1;
+                }
+
+
+                switch (alt6) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:517:2: rule__Statemachine__ResetEventsAssignment_2_1
+            	    {
+            	    pushFollow(FOLLOW_rule__Statemachine__ResetEventsAssignment_2_1_in_rule__Statemachine__Group_2__1__Impl990);
+            	    rule__Statemachine__ResetEventsAssignment_2_1();
+
+            	    state._fsp--;
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop6;
+                }
+            } while (true);
+
+             after(grammarAccess.getStatemachineAccess().getResetEventsAssignment_2_1()); 
+
+            }
+
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group_2__1__Impl"
+
+
+    // $ANTLR start "rule__Statemachine__Group_2__2"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:528:1: rule__Statemachine__Group_2__2 : rule__Statemachine__Group_2__2__Impl ;
+    public final void rule__Statemachine__Group_2__2() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:532:1: ( rule__Statemachine__Group_2__2__Impl )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:533:2: rule__Statemachine__Group_2__2__Impl
+            {
+            pushFollow(FOLLOW_rule__Statemachine__Group_2__2__Impl_in_rule__Statemachine__Group_2__21023);
+            rule__Statemachine__Group_2__2__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group_2__2"
+
+
+    // $ANTLR start "rule__Statemachine__Group_2__2__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:539:1: rule__Statemachine__Group_2__2__Impl : ( 'end' ) ;
+    public final void rule__Statemachine__Group_2__2__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:543:1: ( ( 'end' ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:544:1: ( 'end' )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:544:1: ( 'end' )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:545:1: 'end'
+            {
+             before(grammarAccess.getStatemachineAccess().getEndKeyword_2_2()); 
+            match(input,12,FOLLOW_12_in_rule__Statemachine__Group_2__2__Impl1051); 
+             after(grammarAccess.getStatemachineAccess().getEndKeyword_2_2()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group_2__2__Impl"
+
+
+    // $ANTLR start "rule__Statemachine__Group_3__0"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:564:1: rule__Statemachine__Group_3__0 : rule__Statemachine__Group_3__0__Impl rule__Statemachine__Group_3__1 ;
+    public final void rule__Statemachine__Group_3__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:568:1: ( rule__Statemachine__Group_3__0__Impl rule__Statemachine__Group_3__1 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:569:2: rule__Statemachine__Group_3__0__Impl rule__Statemachine__Group_3__1
+            {
+            pushFollow(FOLLOW_rule__Statemachine__Group_3__0__Impl_in_rule__Statemachine__Group_3__01088);
+            rule__Statemachine__Group_3__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Statemachine__Group_3__1_in_rule__Statemachine__Group_3__01091);
+            rule__Statemachine__Group_3__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group_3__0"
+
+
+    // $ANTLR start "rule__Statemachine__Group_3__0__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:576:1: rule__Statemachine__Group_3__0__Impl : ( 'commands' ) ;
+    public final void rule__Statemachine__Group_3__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:580:1: ( ( 'commands' ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:581:1: ( 'commands' )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:581:1: ( 'commands' )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:582:1: 'commands'
+            {
+             before(grammarAccess.getStatemachineAccess().getCommandsKeyword_3_0()); 
+            match(input,14,FOLLOW_14_in_rule__Statemachine__Group_3__0__Impl1119); 
+             after(grammarAccess.getStatemachineAccess().getCommandsKeyword_3_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group_3__0__Impl"
+
+
+    // $ANTLR start "rule__Statemachine__Group_3__1"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:595:1: rule__Statemachine__Group_3__1 : rule__Statemachine__Group_3__1__Impl rule__Statemachine__Group_3__2 ;
+    public final void rule__Statemachine__Group_3__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:599:1: ( rule__Statemachine__Group_3__1__Impl rule__Statemachine__Group_3__2 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:600:2: rule__Statemachine__Group_3__1__Impl rule__Statemachine__Group_3__2
+            {
+            pushFollow(FOLLOW_rule__Statemachine__Group_3__1__Impl_in_rule__Statemachine__Group_3__11150);
+            rule__Statemachine__Group_3__1__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Statemachine__Group_3__2_in_rule__Statemachine__Group_3__11153);
+            rule__Statemachine__Group_3__2();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group_3__1"
+
+
+    // $ANTLR start "rule__Statemachine__Group_3__1__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:607:1: rule__Statemachine__Group_3__1__Impl : ( ( ( rule__Statemachine__CommandsAssignment_3_1 ) ) ( ( rule__Statemachine__CommandsAssignment_3_1 )* ) ) ;
+    public final void rule__Statemachine__Group_3__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:611:1: ( ( ( ( rule__Statemachine__CommandsAssignment_3_1 ) ) ( ( rule__Statemachine__CommandsAssignment_3_1 )* ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:612:1: ( ( ( rule__Statemachine__CommandsAssignment_3_1 ) ) ( ( rule__Statemachine__CommandsAssignment_3_1 )* ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:612:1: ( ( ( rule__Statemachine__CommandsAssignment_3_1 ) ) ( ( rule__Statemachine__CommandsAssignment_3_1 )* ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:613:1: ( ( rule__Statemachine__CommandsAssignment_3_1 ) ) ( ( rule__Statemachine__CommandsAssignment_3_1 )* )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:613:1: ( ( rule__Statemachine__CommandsAssignment_3_1 ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:614:1: ( rule__Statemachine__CommandsAssignment_3_1 )
+            {
+             before(grammarAccess.getStatemachineAccess().getCommandsAssignment_3_1()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:615:1: ( rule__Statemachine__CommandsAssignment_3_1 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:615:2: rule__Statemachine__CommandsAssignment_3_1
+            {
+            pushFollow(FOLLOW_rule__Statemachine__CommandsAssignment_3_1_in_rule__Statemachine__Group_3__1__Impl1182);
+            rule__Statemachine__CommandsAssignment_3_1();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getStatemachineAccess().getCommandsAssignment_3_1()); 
+
+            }
+
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:618:1: ( ( rule__Statemachine__CommandsAssignment_3_1 )* )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:619:1: ( rule__Statemachine__CommandsAssignment_3_1 )*
+            {
+             before(grammarAccess.getStatemachineAccess().getCommandsAssignment_3_1()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:620:1: ( rule__Statemachine__CommandsAssignment_3_1 )*
+            loop7:
+            do {
+                int alt7=2;
+                int LA7_0 = input.LA(1);
+
+                if ( (LA7_0==RULE_ID) ) {
+                    alt7=1;
+                }
+
+
+                switch (alt7) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:620:2: rule__Statemachine__CommandsAssignment_3_1
+            	    {
+            	    pushFollow(FOLLOW_rule__Statemachine__CommandsAssignment_3_1_in_rule__Statemachine__Group_3__1__Impl1194);
+            	    rule__Statemachine__CommandsAssignment_3_1();
+
+            	    state._fsp--;
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop7;
+                }
+            } while (true);
+
+             after(grammarAccess.getStatemachineAccess().getCommandsAssignment_3_1()); 
+
+            }
+
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group_3__1__Impl"
+
+
+    // $ANTLR start "rule__Statemachine__Group_3__2"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:631:1: rule__Statemachine__Group_3__2 : rule__Statemachine__Group_3__2__Impl ;
+    public final void rule__Statemachine__Group_3__2() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:635:1: ( rule__Statemachine__Group_3__2__Impl )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:636:2: rule__Statemachine__Group_3__2__Impl
+            {
+            pushFollow(FOLLOW_rule__Statemachine__Group_3__2__Impl_in_rule__Statemachine__Group_3__21227);
+            rule__Statemachine__Group_3__2__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group_3__2"
+
+
+    // $ANTLR start "rule__Statemachine__Group_3__2__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:642:1: rule__Statemachine__Group_3__2__Impl : ( 'end' ) ;
+    public final void rule__Statemachine__Group_3__2__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:646:1: ( ( 'end' ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:647:1: ( 'end' )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:647:1: ( 'end' )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:648:1: 'end'
+            {
+             before(grammarAccess.getStatemachineAccess().getEndKeyword_3_2()); 
+            match(input,12,FOLLOW_12_in_rule__Statemachine__Group_3__2__Impl1255); 
+             after(grammarAccess.getStatemachineAccess().getEndKeyword_3_2()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__Group_3__2__Impl"
+
+
+    // $ANTLR start "rule__Event__Group__0"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:667:1: rule__Event__Group__0 : rule__Event__Group__0__Impl rule__Event__Group__1 ;
+    public final void rule__Event__Group__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:671:1: ( rule__Event__Group__0__Impl rule__Event__Group__1 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:672:2: rule__Event__Group__0__Impl rule__Event__Group__1
+            {
+            pushFollow(FOLLOW_rule__Event__Group__0__Impl_in_rule__Event__Group__01292);
+            rule__Event__Group__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Event__Group__1_in_rule__Event__Group__01295);
+            rule__Event__Group__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Event__Group__0"
+
+
+    // $ANTLR start "rule__Event__Group__0__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:679:1: rule__Event__Group__0__Impl : ( ( rule__Event__NameAssignment_0 ) ) ;
+    public final void rule__Event__Group__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:683:1: ( ( ( rule__Event__NameAssignment_0 ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:684:1: ( ( rule__Event__NameAssignment_0 ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:684:1: ( ( rule__Event__NameAssignment_0 ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:685:1: ( rule__Event__NameAssignment_0 )
+            {
+             before(grammarAccess.getEventAccess().getNameAssignment_0()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:686:1: ( rule__Event__NameAssignment_0 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:686:2: rule__Event__NameAssignment_0
+            {
+            pushFollow(FOLLOW_rule__Event__NameAssignment_0_in_rule__Event__Group__0__Impl1322);
+            rule__Event__NameAssignment_0();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getEventAccess().getNameAssignment_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Event__Group__0__Impl"
+
+
+    // $ANTLR start "rule__Event__Group__1"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:696:1: rule__Event__Group__1 : rule__Event__Group__1__Impl ;
+    public final void rule__Event__Group__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:700:1: ( rule__Event__Group__1__Impl )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:701:2: rule__Event__Group__1__Impl
+            {
+            pushFollow(FOLLOW_rule__Event__Group__1__Impl_in_rule__Event__Group__11352);
+            rule__Event__Group__1__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Event__Group__1"
+
+
+    // $ANTLR start "rule__Event__Group__1__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:707:1: rule__Event__Group__1__Impl : ( ( rule__Event__CodeAssignment_1 ) ) ;
+    public final void rule__Event__Group__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:711:1: ( ( ( rule__Event__CodeAssignment_1 ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:712:1: ( ( rule__Event__CodeAssignment_1 ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:712:1: ( ( rule__Event__CodeAssignment_1 ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:713:1: ( rule__Event__CodeAssignment_1 )
+            {
+             before(grammarAccess.getEventAccess().getCodeAssignment_1()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:714:1: ( rule__Event__CodeAssignment_1 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:714:2: rule__Event__CodeAssignment_1
+            {
+            pushFollow(FOLLOW_rule__Event__CodeAssignment_1_in_rule__Event__Group__1__Impl1379);
+            rule__Event__CodeAssignment_1();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getEventAccess().getCodeAssignment_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Event__Group__1__Impl"
+
+
+    // $ANTLR start "rule__Command__Group__0"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:728:1: rule__Command__Group__0 : rule__Command__Group__0__Impl rule__Command__Group__1 ;
+    public final void rule__Command__Group__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:732:1: ( rule__Command__Group__0__Impl rule__Command__Group__1 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:733:2: rule__Command__Group__0__Impl rule__Command__Group__1
+            {
+            pushFollow(FOLLOW_rule__Command__Group__0__Impl_in_rule__Command__Group__01413);
+            rule__Command__Group__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Command__Group__1_in_rule__Command__Group__01416);
+            rule__Command__Group__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Command__Group__0"
+
+
+    // $ANTLR start "rule__Command__Group__0__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:740:1: rule__Command__Group__0__Impl : ( ( rule__Command__NameAssignment_0 ) ) ;
+    public final void rule__Command__Group__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:744:1: ( ( ( rule__Command__NameAssignment_0 ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:745:1: ( ( rule__Command__NameAssignment_0 ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:745:1: ( ( rule__Command__NameAssignment_0 ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:746:1: ( rule__Command__NameAssignment_0 )
+            {
+             before(grammarAccess.getCommandAccess().getNameAssignment_0()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:747:1: ( rule__Command__NameAssignment_0 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:747:2: rule__Command__NameAssignment_0
+            {
+            pushFollow(FOLLOW_rule__Command__NameAssignment_0_in_rule__Command__Group__0__Impl1443);
+            rule__Command__NameAssignment_0();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getCommandAccess().getNameAssignment_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Command__Group__0__Impl"
+
+
+    // $ANTLR start "rule__Command__Group__1"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:757:1: rule__Command__Group__1 : rule__Command__Group__1__Impl ;
+    public final void rule__Command__Group__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:761:1: ( rule__Command__Group__1__Impl )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:762:2: rule__Command__Group__1__Impl
+            {
+            pushFollow(FOLLOW_rule__Command__Group__1__Impl_in_rule__Command__Group__11473);
+            rule__Command__Group__1__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Command__Group__1"
+
+
+    // $ANTLR start "rule__Command__Group__1__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:768:1: rule__Command__Group__1__Impl : ( ( rule__Command__CodeAssignment_1 ) ) ;
+    public final void rule__Command__Group__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:772:1: ( ( ( rule__Command__CodeAssignment_1 ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:773:1: ( ( rule__Command__CodeAssignment_1 ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:773:1: ( ( rule__Command__CodeAssignment_1 ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:774:1: ( rule__Command__CodeAssignment_1 )
+            {
+             before(grammarAccess.getCommandAccess().getCodeAssignment_1()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:775:1: ( rule__Command__CodeAssignment_1 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:775:2: rule__Command__CodeAssignment_1
+            {
+            pushFollow(FOLLOW_rule__Command__CodeAssignment_1_in_rule__Command__Group__1__Impl1500);
+            rule__Command__CodeAssignment_1();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getCommandAccess().getCodeAssignment_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Command__Group__1__Impl"
+
+
+    // $ANTLR start "rule__State__Group__0"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:789:1: rule__State__Group__0 : rule__State__Group__0__Impl rule__State__Group__1 ;
+    public final void rule__State__Group__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:793:1: ( rule__State__Group__0__Impl rule__State__Group__1 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:794:2: rule__State__Group__0__Impl rule__State__Group__1
+            {
+            pushFollow(FOLLOW_rule__State__Group__0__Impl_in_rule__State__Group__01534);
+            rule__State__Group__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__State__Group__1_in_rule__State__Group__01537);
+            rule__State__Group__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__State__Group__0"
+
+
+    // $ANTLR start "rule__State__Group__0__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:801:1: rule__State__Group__0__Impl : ( 'state' ) ;
+    public final void rule__State__Group__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:805:1: ( ( 'state' ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:806:1: ( 'state' )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:806:1: ( 'state' )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:807:1: 'state'
+            {
+             before(grammarAccess.getStateAccess().getStateKeyword_0()); 
+            match(input,15,FOLLOW_15_in_rule__State__Group__0__Impl1565); 
+             after(grammarAccess.getStateAccess().getStateKeyword_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__State__Group__0__Impl"
+
+
+    // $ANTLR start "rule__State__Group__1"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:820:1: rule__State__Group__1 : rule__State__Group__1__Impl rule__State__Group__2 ;
+    public final void rule__State__Group__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:824:1: ( rule__State__Group__1__Impl rule__State__Group__2 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:825:2: rule__State__Group__1__Impl rule__State__Group__2
+            {
+            pushFollow(FOLLOW_rule__State__Group__1__Impl_in_rule__State__Group__11596);
+            rule__State__Group__1__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__State__Group__2_in_rule__State__Group__11599);
+            rule__State__Group__2();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__State__Group__1"
+
+
+    // $ANTLR start "rule__State__Group__1__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:832:1: rule__State__Group__1__Impl : ( ( rule__State__NameAssignment_1 ) ) ;
+    public final void rule__State__Group__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:836:1: ( ( ( rule__State__NameAssignment_1 ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:837:1: ( ( rule__State__NameAssignment_1 ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:837:1: ( ( rule__State__NameAssignment_1 ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:838:1: ( rule__State__NameAssignment_1 )
+            {
+             before(grammarAccess.getStateAccess().getNameAssignment_1()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:839:1: ( rule__State__NameAssignment_1 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:839:2: rule__State__NameAssignment_1
+            {
+            pushFollow(FOLLOW_rule__State__NameAssignment_1_in_rule__State__Group__1__Impl1626);
+            rule__State__NameAssignment_1();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getStateAccess().getNameAssignment_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__State__Group__1__Impl"
+
+
+    // $ANTLR start "rule__State__Group__2"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:849:1: rule__State__Group__2 : rule__State__Group__2__Impl rule__State__Group__3 ;
+    public final void rule__State__Group__2() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:853:1: ( rule__State__Group__2__Impl rule__State__Group__3 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:854:2: rule__State__Group__2__Impl rule__State__Group__3
+            {
+            pushFollow(FOLLOW_rule__State__Group__2__Impl_in_rule__State__Group__21656);
+            rule__State__Group__2__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__State__Group__3_in_rule__State__Group__21659);
+            rule__State__Group__3();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__State__Group__2"
+
+
+    // $ANTLR start "rule__State__Group__2__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:861:1: rule__State__Group__2__Impl : ( ( rule__State__Group_2__0 )? ) ;
+    public final void rule__State__Group__2__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:865:1: ( ( ( rule__State__Group_2__0 )? ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:866:1: ( ( rule__State__Group_2__0 )? )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:866:1: ( ( rule__State__Group_2__0 )? )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:867:1: ( rule__State__Group_2__0 )?
+            {
+             before(grammarAccess.getStateAccess().getGroup_2()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:868:1: ( rule__State__Group_2__0 )?
+            int alt8=2;
+            int LA8_0 = input.LA(1);
+
+            if ( (LA8_0==16) ) {
+                alt8=1;
+            }
+            switch (alt8) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:868:2: rule__State__Group_2__0
+                    {
+                    pushFollow(FOLLOW_rule__State__Group_2__0_in_rule__State__Group__2__Impl1686);
+                    rule__State__Group_2__0();
+
+                    state._fsp--;
+
+
+                    }
+                    break;
+
+            }
+
+             after(grammarAccess.getStateAccess().getGroup_2()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__State__Group__2__Impl"
+
+
+    // $ANTLR start "rule__State__Group__3"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:878:1: rule__State__Group__3 : rule__State__Group__3__Impl rule__State__Group__4 ;
+    public final void rule__State__Group__3() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:882:1: ( rule__State__Group__3__Impl rule__State__Group__4 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:883:2: rule__State__Group__3__Impl rule__State__Group__4
+            {
+            pushFollow(FOLLOW_rule__State__Group__3__Impl_in_rule__State__Group__31717);
+            rule__State__Group__3__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__State__Group__4_in_rule__State__Group__31720);
+            rule__State__Group__4();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__State__Group__3"
+
+
+    // $ANTLR start "rule__State__Group__3__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:890:1: rule__State__Group__3__Impl : ( ( rule__State__TransitionsAssignment_3 )* ) ;
+    public final void rule__State__Group__3__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:894:1: ( ( ( rule__State__TransitionsAssignment_3 )* ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:895:1: ( ( rule__State__TransitionsAssignment_3 )* )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:895:1: ( ( rule__State__TransitionsAssignment_3 )* )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:896:1: ( rule__State__TransitionsAssignment_3 )*
+            {
+             before(grammarAccess.getStateAccess().getTransitionsAssignment_3()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:897:1: ( rule__State__TransitionsAssignment_3 )*
+            loop9:
+            do {
+                int alt9=2;
+                int LA9_0 = input.LA(1);
+
+                if ( (LA9_0==RULE_ID) ) {
+                    alt9=1;
+                }
+
+
+                switch (alt9) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:897:2: rule__State__TransitionsAssignment_3
+            	    {
+            	    pushFollow(FOLLOW_rule__State__TransitionsAssignment_3_in_rule__State__Group__3__Impl1747);
+            	    rule__State__TransitionsAssignment_3();
+
+            	    state._fsp--;
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop9;
+                }
+            } while (true);
+
+             after(grammarAccess.getStateAccess().getTransitionsAssignment_3()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__State__Group__3__Impl"
+
+
+    // $ANTLR start "rule__State__Group__4"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:907:1: rule__State__Group__4 : rule__State__Group__4__Impl ;
+    public final void rule__State__Group__4() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:911:1: ( rule__State__Group__4__Impl )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:912:2: rule__State__Group__4__Impl
+            {
+            pushFollow(FOLLOW_rule__State__Group__4__Impl_in_rule__State__Group__41778);
+            rule__State__Group__4__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__State__Group__4"
+
+
+    // $ANTLR start "rule__State__Group__4__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:918:1: rule__State__Group__4__Impl : ( 'end' ) ;
+    public final void rule__State__Group__4__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:922:1: ( ( 'end' ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:923:1: ( 'end' )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:923:1: ( 'end' )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:924:1: 'end'
+            {
+             before(grammarAccess.getStateAccess().getEndKeyword_4()); 
+            match(input,12,FOLLOW_12_in_rule__State__Group__4__Impl1806); 
+             after(grammarAccess.getStateAccess().getEndKeyword_4()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__State__Group__4__Impl"
+
+
+    // $ANTLR start "rule__State__Group_2__0"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:947:1: rule__State__Group_2__0 : rule__State__Group_2__0__Impl rule__State__Group_2__1 ;
+    public final void rule__State__Group_2__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:951:1: ( rule__State__Group_2__0__Impl rule__State__Group_2__1 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:952:2: rule__State__Group_2__0__Impl rule__State__Group_2__1
+            {
+            pushFollow(FOLLOW_rule__State__Group_2__0__Impl_in_rule__State__Group_2__01847);
+            rule__State__Group_2__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__State__Group_2__1_in_rule__State__Group_2__01850);
+            rule__State__Group_2__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__State__Group_2__0"
+
+
+    // $ANTLR start "rule__State__Group_2__0__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:959:1: rule__State__Group_2__0__Impl : ( 'actions' ) ;
+    public final void rule__State__Group_2__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:963:1: ( ( 'actions' ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:964:1: ( 'actions' )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:964:1: ( 'actions' )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:965:1: 'actions'
+            {
+             before(grammarAccess.getStateAccess().getActionsKeyword_2_0()); 
+            match(input,16,FOLLOW_16_in_rule__State__Group_2__0__Impl1878); 
+             after(grammarAccess.getStateAccess().getActionsKeyword_2_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__State__Group_2__0__Impl"
+
+
+    // $ANTLR start "rule__State__Group_2__1"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:978:1: rule__State__Group_2__1 : rule__State__Group_2__1__Impl rule__State__Group_2__2 ;
+    public final void rule__State__Group_2__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:982:1: ( rule__State__Group_2__1__Impl rule__State__Group_2__2 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:983:2: rule__State__Group_2__1__Impl rule__State__Group_2__2
+            {
+            pushFollow(FOLLOW_rule__State__Group_2__1__Impl_in_rule__State__Group_2__11909);
+            rule__State__Group_2__1__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__State__Group_2__2_in_rule__State__Group_2__11912);
+            rule__State__Group_2__2();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__State__Group_2__1"
+
+
+    // $ANTLR start "rule__State__Group_2__1__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:990:1: rule__State__Group_2__1__Impl : ( '{' ) ;
+    public final void rule__State__Group_2__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:994:1: ( ( '{' ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:995:1: ( '{' )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:995:1: ( '{' )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:996:1: '{'
+            {
+             before(grammarAccess.getStateAccess().getLeftCurlyBracketKeyword_2_1()); 
+            match(input,17,FOLLOW_17_in_rule__State__Group_2__1__Impl1940); 
+             after(grammarAccess.getStateAccess().getLeftCurlyBracketKeyword_2_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__State__Group_2__1__Impl"
+
+
+    // $ANTLR start "rule__State__Group_2__2"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1009:1: rule__State__Group_2__2 : rule__State__Group_2__2__Impl rule__State__Group_2__3 ;
+    public final void rule__State__Group_2__2() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1013:1: ( rule__State__Group_2__2__Impl rule__State__Group_2__3 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1014:2: rule__State__Group_2__2__Impl rule__State__Group_2__3
+            {
+            pushFollow(FOLLOW_rule__State__Group_2__2__Impl_in_rule__State__Group_2__21971);
+            rule__State__Group_2__2__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__State__Group_2__3_in_rule__State__Group_2__21974);
+            rule__State__Group_2__3();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__State__Group_2__2"
+
+
+    // $ANTLR start "rule__State__Group_2__2__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1021:1: rule__State__Group_2__2__Impl : ( ( ( rule__State__ActionsAssignment_2_2 ) ) ( ( rule__State__ActionsAssignment_2_2 )* ) ) ;
+    public final void rule__State__Group_2__2__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1025:1: ( ( ( ( rule__State__ActionsAssignment_2_2 ) ) ( ( rule__State__ActionsAssignment_2_2 )* ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1026:1: ( ( ( rule__State__ActionsAssignment_2_2 ) ) ( ( rule__State__ActionsAssignment_2_2 )* ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1026:1: ( ( ( rule__State__ActionsAssignment_2_2 ) ) ( ( rule__State__ActionsAssignment_2_2 )* ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1027:1: ( ( rule__State__ActionsAssignment_2_2 ) ) ( ( rule__State__ActionsAssignment_2_2 )* )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1027:1: ( ( rule__State__ActionsAssignment_2_2 ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1028:1: ( rule__State__ActionsAssignment_2_2 )
+            {
+             before(grammarAccess.getStateAccess().getActionsAssignment_2_2()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1029:1: ( rule__State__ActionsAssignment_2_2 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1029:2: rule__State__ActionsAssignment_2_2
+            {
+            pushFollow(FOLLOW_rule__State__ActionsAssignment_2_2_in_rule__State__Group_2__2__Impl2003);
+            rule__State__ActionsAssignment_2_2();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getStateAccess().getActionsAssignment_2_2()); 
+
+            }
+
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1032:1: ( ( rule__State__ActionsAssignment_2_2 )* )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1033:1: ( rule__State__ActionsAssignment_2_2 )*
+            {
+             before(grammarAccess.getStateAccess().getActionsAssignment_2_2()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1034:1: ( rule__State__ActionsAssignment_2_2 )*
+            loop10:
+            do {
+                int alt10=2;
+                int LA10_0 = input.LA(1);
+
+                if ( (LA10_0==RULE_ID) ) {
+                    alt10=1;
+                }
+
+
+                switch (alt10) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1034:2: rule__State__ActionsAssignment_2_2
+            	    {
+            	    pushFollow(FOLLOW_rule__State__ActionsAssignment_2_2_in_rule__State__Group_2__2__Impl2015);
+            	    rule__State__ActionsAssignment_2_2();
+
+            	    state._fsp--;
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop10;
+                }
+            } while (true);
+
+             after(grammarAccess.getStateAccess().getActionsAssignment_2_2()); 
+
+            }
+
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__State__Group_2__2__Impl"
+
+
+    // $ANTLR start "rule__State__Group_2__3"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1045:1: rule__State__Group_2__3 : rule__State__Group_2__3__Impl ;
+    public final void rule__State__Group_2__3() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1049:1: ( rule__State__Group_2__3__Impl )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1050:2: rule__State__Group_2__3__Impl
+            {
+            pushFollow(FOLLOW_rule__State__Group_2__3__Impl_in_rule__State__Group_2__32048);
+            rule__State__Group_2__3__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__State__Group_2__3"
+
+
+    // $ANTLR start "rule__State__Group_2__3__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1056:1: rule__State__Group_2__3__Impl : ( '}' ) ;
+    public final void rule__State__Group_2__3__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1060:1: ( ( '}' ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1061:1: ( '}' )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1061:1: ( '}' )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1062:1: '}'
+            {
+             before(grammarAccess.getStateAccess().getRightCurlyBracketKeyword_2_3()); 
+            match(input,18,FOLLOW_18_in_rule__State__Group_2__3__Impl2076); 
+             after(grammarAccess.getStateAccess().getRightCurlyBracketKeyword_2_3()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__State__Group_2__3__Impl"
+
+
+    // $ANTLR start "rule__Transition__Group__0"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1083:1: rule__Transition__Group__0 : rule__Transition__Group__0__Impl rule__Transition__Group__1 ;
+    public final void rule__Transition__Group__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1087:1: ( rule__Transition__Group__0__Impl rule__Transition__Group__1 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1088:2: rule__Transition__Group__0__Impl rule__Transition__Group__1
+            {
+            pushFollow(FOLLOW_rule__Transition__Group__0__Impl_in_rule__Transition__Group__02115);
+            rule__Transition__Group__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Transition__Group__1_in_rule__Transition__Group__02118);
+            rule__Transition__Group__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Transition__Group__0"
+
+
+    // $ANTLR start "rule__Transition__Group__0__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1095:1: rule__Transition__Group__0__Impl : ( ( rule__Transition__EventAssignment_0 ) ) ;
+    public final void rule__Transition__Group__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1099:1: ( ( ( rule__Transition__EventAssignment_0 ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1100:1: ( ( rule__Transition__EventAssignment_0 ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1100:1: ( ( rule__Transition__EventAssignment_0 ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1101:1: ( rule__Transition__EventAssignment_0 )
+            {
+             before(grammarAccess.getTransitionAccess().getEventAssignment_0()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1102:1: ( rule__Transition__EventAssignment_0 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1102:2: rule__Transition__EventAssignment_0
+            {
+            pushFollow(FOLLOW_rule__Transition__EventAssignment_0_in_rule__Transition__Group__0__Impl2145);
+            rule__Transition__EventAssignment_0();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getTransitionAccess().getEventAssignment_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Transition__Group__0__Impl"
+
+
+    // $ANTLR start "rule__Transition__Group__1"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1112:1: rule__Transition__Group__1 : rule__Transition__Group__1__Impl rule__Transition__Group__2 ;
+    public final void rule__Transition__Group__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1116:1: ( rule__Transition__Group__1__Impl rule__Transition__Group__2 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1117:2: rule__Transition__Group__1__Impl rule__Transition__Group__2
+            {
+            pushFollow(FOLLOW_rule__Transition__Group__1__Impl_in_rule__Transition__Group__12175);
+            rule__Transition__Group__1__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Transition__Group__2_in_rule__Transition__Group__12178);
+            rule__Transition__Group__2();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Transition__Group__1"
+
+
+    // $ANTLR start "rule__Transition__Group__1__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1124:1: rule__Transition__Group__1__Impl : ( '=>' ) ;
+    public final void rule__Transition__Group__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1128:1: ( ( '=>' ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1129:1: ( '=>' )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1129:1: ( '=>' )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1130:1: '=>'
+            {
+             before(grammarAccess.getTransitionAccess().getEqualsSignGreaterThanSignKeyword_1()); 
+            match(input,19,FOLLOW_19_in_rule__Transition__Group__1__Impl2206); 
+             after(grammarAccess.getTransitionAccess().getEqualsSignGreaterThanSignKeyword_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Transition__Group__1__Impl"
+
+
+    // $ANTLR start "rule__Transition__Group__2"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1143:1: rule__Transition__Group__2 : rule__Transition__Group__2__Impl ;
+    public final void rule__Transition__Group__2() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1147:1: ( rule__Transition__Group__2__Impl )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1148:2: rule__Transition__Group__2__Impl
+            {
+            pushFollow(FOLLOW_rule__Transition__Group__2__Impl_in_rule__Transition__Group__22237);
+            rule__Transition__Group__2__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Transition__Group__2"
+
+
+    // $ANTLR start "rule__Transition__Group__2__Impl"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1154:1: rule__Transition__Group__2__Impl : ( ( rule__Transition__StateAssignment_2 ) ) ;
+    public final void rule__Transition__Group__2__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1158:1: ( ( ( rule__Transition__StateAssignment_2 ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1159:1: ( ( rule__Transition__StateAssignment_2 ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1159:1: ( ( rule__Transition__StateAssignment_2 ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1160:1: ( rule__Transition__StateAssignment_2 )
+            {
+             before(grammarAccess.getTransitionAccess().getStateAssignment_2()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1161:1: ( rule__Transition__StateAssignment_2 )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1161:2: rule__Transition__StateAssignment_2
+            {
+            pushFollow(FOLLOW_rule__Transition__StateAssignment_2_in_rule__Transition__Group__2__Impl2264);
+            rule__Transition__StateAssignment_2();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getTransitionAccess().getStateAssignment_2()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Transition__Group__2__Impl"
+
+
+    // $ANTLR start "rule__Statemachine__EventsAssignment_1_1"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1178:1: rule__Statemachine__EventsAssignment_1_1 : ( ruleEvent ) ;
+    public final void rule__Statemachine__EventsAssignment_1_1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1182:1: ( ( ruleEvent ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1183:1: ( ruleEvent )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1183:1: ( ruleEvent )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1184:1: ruleEvent
+            {
+             before(grammarAccess.getStatemachineAccess().getEventsEventParserRuleCall_1_1_0()); 
+            pushFollow(FOLLOW_ruleEvent_in_rule__Statemachine__EventsAssignment_1_12305);
+            ruleEvent();
+
+            state._fsp--;
+
+             after(grammarAccess.getStatemachineAccess().getEventsEventParserRuleCall_1_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__EventsAssignment_1_1"
+
+
+    // $ANTLR start "rule__Statemachine__ResetEventsAssignment_2_1"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1193:1: rule__Statemachine__ResetEventsAssignment_2_1 : ( ( RULE_ID ) ) ;
+    public final void rule__Statemachine__ResetEventsAssignment_2_1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1197:1: ( ( ( RULE_ID ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1198:1: ( ( RULE_ID ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1198:1: ( ( RULE_ID ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1199:1: ( RULE_ID )
+            {
+             before(grammarAccess.getStatemachineAccess().getResetEventsEventCrossReference_2_1_0()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1200:1: ( RULE_ID )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1201:1: RULE_ID
+            {
+             before(grammarAccess.getStatemachineAccess().getResetEventsEventIDTerminalRuleCall_2_1_0_1()); 
+            match(input,RULE_ID,FOLLOW_RULE_ID_in_rule__Statemachine__ResetEventsAssignment_2_12340); 
+             after(grammarAccess.getStatemachineAccess().getResetEventsEventIDTerminalRuleCall_2_1_0_1()); 
+
+            }
+
+             after(grammarAccess.getStatemachineAccess().getResetEventsEventCrossReference_2_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__ResetEventsAssignment_2_1"
+
+
+    // $ANTLR start "rule__Statemachine__CommandsAssignment_3_1"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1212:1: rule__Statemachine__CommandsAssignment_3_1 : ( ruleCommand ) ;
+    public final void rule__Statemachine__CommandsAssignment_3_1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1216:1: ( ( ruleCommand ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1217:1: ( ruleCommand )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1217:1: ( ruleCommand )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1218:1: ruleCommand
+            {
+             before(grammarAccess.getStatemachineAccess().getCommandsCommandParserRuleCall_3_1_0()); 
+            pushFollow(FOLLOW_ruleCommand_in_rule__Statemachine__CommandsAssignment_3_12375);
+            ruleCommand();
+
+            state._fsp--;
+
+             after(grammarAccess.getStatemachineAccess().getCommandsCommandParserRuleCall_3_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__CommandsAssignment_3_1"
+
+
+    // $ANTLR start "rule__Statemachine__StatesAssignment_4"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1227:1: rule__Statemachine__StatesAssignment_4 : ( ruleState ) ;
+    public final void rule__Statemachine__StatesAssignment_4() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1231:1: ( ( ruleState ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1232:1: ( ruleState )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1232:1: ( ruleState )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1233:1: ruleState
+            {
+             before(grammarAccess.getStatemachineAccess().getStatesStateParserRuleCall_4_0()); 
+            pushFollow(FOLLOW_ruleState_in_rule__Statemachine__StatesAssignment_42406);
+            ruleState();
+
+            state._fsp--;
+
+             after(grammarAccess.getStatemachineAccess().getStatesStateParserRuleCall_4_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Statemachine__StatesAssignment_4"
+
+
+    // $ANTLR start "rule__Event__NameAssignment_0"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1242:1: rule__Event__NameAssignment_0 : ( RULE_ID ) ;
+    public final void rule__Event__NameAssignment_0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1246:1: ( ( RULE_ID ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1247:1: ( RULE_ID )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1247:1: ( RULE_ID )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1248:1: RULE_ID
+            {
+             before(grammarAccess.getEventAccess().getNameIDTerminalRuleCall_0_0()); 
+            match(input,RULE_ID,FOLLOW_RULE_ID_in_rule__Event__NameAssignment_02437); 
+             after(grammarAccess.getEventAccess().getNameIDTerminalRuleCall_0_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Event__NameAssignment_0"
+
+
+    // $ANTLR start "rule__Event__CodeAssignment_1"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1257:1: rule__Event__CodeAssignment_1 : ( RULE_ID ) ;
+    public final void rule__Event__CodeAssignment_1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1261:1: ( ( RULE_ID ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1262:1: ( RULE_ID )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1262:1: ( RULE_ID )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1263:1: RULE_ID
+            {
+             before(grammarAccess.getEventAccess().getCodeIDTerminalRuleCall_1_0()); 
+            match(input,RULE_ID,FOLLOW_RULE_ID_in_rule__Event__CodeAssignment_12468); 
+             after(grammarAccess.getEventAccess().getCodeIDTerminalRuleCall_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Event__CodeAssignment_1"
+
+
+    // $ANTLR start "rule__Command__NameAssignment_0"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1272:1: rule__Command__NameAssignment_0 : ( RULE_ID ) ;
+    public final void rule__Command__NameAssignment_0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1276:1: ( ( RULE_ID ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1277:1: ( RULE_ID )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1277:1: ( RULE_ID )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1278:1: RULE_ID
+            {
+             before(grammarAccess.getCommandAccess().getNameIDTerminalRuleCall_0_0()); 
+            match(input,RULE_ID,FOLLOW_RULE_ID_in_rule__Command__NameAssignment_02499); 
+             after(grammarAccess.getCommandAccess().getNameIDTerminalRuleCall_0_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Command__NameAssignment_0"
+
+
+    // $ANTLR start "rule__Command__CodeAssignment_1"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1287:1: rule__Command__CodeAssignment_1 : ( RULE_ID ) ;
+    public final void rule__Command__CodeAssignment_1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1291:1: ( ( RULE_ID ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1292:1: ( RULE_ID )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1292:1: ( RULE_ID )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1293:1: RULE_ID
+            {
+             before(grammarAccess.getCommandAccess().getCodeIDTerminalRuleCall_1_0()); 
+            match(input,RULE_ID,FOLLOW_RULE_ID_in_rule__Command__CodeAssignment_12530); 
+             after(grammarAccess.getCommandAccess().getCodeIDTerminalRuleCall_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Command__CodeAssignment_1"
+
+
+    // $ANTLR start "rule__State__NameAssignment_1"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1302:1: rule__State__NameAssignment_1 : ( RULE_ID ) ;
+    public final void rule__State__NameAssignment_1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1306:1: ( ( RULE_ID ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1307:1: ( RULE_ID )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1307:1: ( RULE_ID )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1308:1: RULE_ID
+            {
+             before(grammarAccess.getStateAccess().getNameIDTerminalRuleCall_1_0()); 
+            match(input,RULE_ID,FOLLOW_RULE_ID_in_rule__State__NameAssignment_12561); 
+             after(grammarAccess.getStateAccess().getNameIDTerminalRuleCall_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__State__NameAssignment_1"
+
+
+    // $ANTLR start "rule__State__ActionsAssignment_2_2"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1317:1: rule__State__ActionsAssignment_2_2 : ( ( RULE_ID ) ) ;
+    public final void rule__State__ActionsAssignment_2_2() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1321:1: ( ( ( RULE_ID ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1322:1: ( ( RULE_ID ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1322:1: ( ( RULE_ID ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1323:1: ( RULE_ID )
+            {
+             before(grammarAccess.getStateAccess().getActionsCommandCrossReference_2_2_0()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1324:1: ( RULE_ID )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1325:1: RULE_ID
+            {
+             before(grammarAccess.getStateAccess().getActionsCommandIDTerminalRuleCall_2_2_0_1()); 
+            match(input,RULE_ID,FOLLOW_RULE_ID_in_rule__State__ActionsAssignment_2_22596); 
+             after(grammarAccess.getStateAccess().getActionsCommandIDTerminalRuleCall_2_2_0_1()); 
+
+            }
+
+             after(grammarAccess.getStateAccess().getActionsCommandCrossReference_2_2_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__State__ActionsAssignment_2_2"
+
+
+    // $ANTLR start "rule__State__TransitionsAssignment_3"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1336:1: rule__State__TransitionsAssignment_3 : ( ruleTransition ) ;
+    public final void rule__State__TransitionsAssignment_3() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1340:1: ( ( ruleTransition ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1341:1: ( ruleTransition )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1341:1: ( ruleTransition )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1342:1: ruleTransition
+            {
+             before(grammarAccess.getStateAccess().getTransitionsTransitionParserRuleCall_3_0()); 
+            pushFollow(FOLLOW_ruleTransition_in_rule__State__TransitionsAssignment_32631);
+            ruleTransition();
+
+            state._fsp--;
+
+             after(grammarAccess.getStateAccess().getTransitionsTransitionParserRuleCall_3_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__State__TransitionsAssignment_3"
+
+
+    // $ANTLR start "rule__Transition__EventAssignment_0"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1351:1: rule__Transition__EventAssignment_0 : ( ( RULE_ID ) ) ;
+    public final void rule__Transition__EventAssignment_0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1355:1: ( ( ( RULE_ID ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1356:1: ( ( RULE_ID ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1356:1: ( ( RULE_ID ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1357:1: ( RULE_ID )
+            {
+             before(grammarAccess.getTransitionAccess().getEventEventCrossReference_0_0()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1358:1: ( RULE_ID )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1359:1: RULE_ID
+            {
+             before(grammarAccess.getTransitionAccess().getEventEventIDTerminalRuleCall_0_0_1()); 
+            match(input,RULE_ID,FOLLOW_RULE_ID_in_rule__Transition__EventAssignment_02666); 
+             after(grammarAccess.getTransitionAccess().getEventEventIDTerminalRuleCall_0_0_1()); 
+
+            }
+
+             after(grammarAccess.getTransitionAccess().getEventEventCrossReference_0_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Transition__EventAssignment_0"
+
+
+    // $ANTLR start "rule__Transition__StateAssignment_2"
+    // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1370:1: rule__Transition__StateAssignment_2 : ( ( RULE_ID ) ) ;
+    public final void rule__Transition__StateAssignment_2() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1374:1: ( ( ( RULE_ID ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1375:1: ( ( RULE_ID ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1375:1: ( ( RULE_ID ) )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1376:1: ( RULE_ID )
+            {
+             before(grammarAccess.getTransitionAccess().getStateStateCrossReference_2_0()); 
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1377:1: ( RULE_ID )
+            // ../org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/antlr/internal/InternalStatemachine.g:1378:1: RULE_ID
+            {
+             before(grammarAccess.getTransitionAccess().getStateStateIDTerminalRuleCall_2_0_1()); 
+            match(input,RULE_ID,FOLLOW_RULE_ID_in_rule__Transition__StateAssignment_22705); 
+             after(grammarAccess.getTransitionAccess().getStateStateIDTerminalRuleCall_2_0_1()); 
+
+            }
+
+             after(grammarAccess.getTransitionAccess().getStateStateCrossReference_2_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Transition__StateAssignment_2"
+
+    // Delegated rules
+
+
+ 
+
+    public static final BitSet FOLLOW_ruleStatemachine_in_entryRuleStatemachine61 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleStatemachine68 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group__0_in_ruleStatemachine94 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleEvent_in_entryRuleEvent121 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleEvent128 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Event__Group__0_in_ruleEvent154 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleCommand_in_entryRuleCommand181 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleCommand188 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Command__Group__0_in_ruleCommand214 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleState_in_entryRuleState241 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleState248 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__State__Group__0_in_ruleState274 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleTransition_in_entryRuleTransition301 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleTransition308 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Transition__Group__0_in_ruleTransition334 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group__0__Impl_in_rule__Statemachine__Group__0368 = new BitSet(new long[]{0x000000000000E800L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group__1_in_rule__Statemachine__Group__0371 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group__1__Impl_in_rule__Statemachine__Group__1429 = new BitSet(new long[]{0x000000000000E800L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group__2_in_rule__Statemachine__Group__1432 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group_1__0_in_rule__Statemachine__Group__1__Impl459 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group__2__Impl_in_rule__Statemachine__Group__2490 = new BitSet(new long[]{0x000000000000E800L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group__3_in_rule__Statemachine__Group__2493 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group_2__0_in_rule__Statemachine__Group__2__Impl520 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group__3__Impl_in_rule__Statemachine__Group__3551 = new BitSet(new long[]{0x000000000000E800L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group__4_in_rule__Statemachine__Group__3554 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group_3__0_in_rule__Statemachine__Group__3__Impl581 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group__4__Impl_in_rule__Statemachine__Group__4612 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Statemachine__StatesAssignment_4_in_rule__Statemachine__Group__4__Impl639 = new BitSet(new long[]{0x0000000000008002L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group_1__0__Impl_in_rule__Statemachine__Group_1__0680 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group_1__1_in_rule__Statemachine__Group_1__0683 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_11_in_rule__Statemachine__Group_1__0__Impl711 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group_1__1__Impl_in_rule__Statemachine__Group_1__1742 = new BitSet(new long[]{0x0000000000001000L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group_1__2_in_rule__Statemachine__Group_1__1745 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Statemachine__EventsAssignment_1_1_in_rule__Statemachine__Group_1__1__Impl774 = new BitSet(new long[]{0x0000000000000012L});
+    public static final BitSet FOLLOW_rule__Statemachine__EventsAssignment_1_1_in_rule__Statemachine__Group_1__1__Impl786 = new BitSet(new long[]{0x0000000000000012L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group_1__2__Impl_in_rule__Statemachine__Group_1__2819 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_12_in_rule__Statemachine__Group_1__2__Impl847 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group_2__0__Impl_in_rule__Statemachine__Group_2__0884 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group_2__1_in_rule__Statemachine__Group_2__0887 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_13_in_rule__Statemachine__Group_2__0__Impl915 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group_2__1__Impl_in_rule__Statemachine__Group_2__1946 = new BitSet(new long[]{0x0000000000001000L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group_2__2_in_rule__Statemachine__Group_2__1949 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Statemachine__ResetEventsAssignment_2_1_in_rule__Statemachine__Group_2__1__Impl978 = new BitSet(new long[]{0x0000000000000012L});
+    public static final BitSet FOLLOW_rule__Statemachine__ResetEventsAssignment_2_1_in_rule__Statemachine__Group_2__1__Impl990 = new BitSet(new long[]{0x0000000000000012L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group_2__2__Impl_in_rule__Statemachine__Group_2__21023 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_12_in_rule__Statemachine__Group_2__2__Impl1051 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group_3__0__Impl_in_rule__Statemachine__Group_3__01088 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group_3__1_in_rule__Statemachine__Group_3__01091 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_14_in_rule__Statemachine__Group_3__0__Impl1119 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group_3__1__Impl_in_rule__Statemachine__Group_3__11150 = new BitSet(new long[]{0x0000000000001000L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group_3__2_in_rule__Statemachine__Group_3__11153 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Statemachine__CommandsAssignment_3_1_in_rule__Statemachine__Group_3__1__Impl1182 = new BitSet(new long[]{0x0000000000000012L});
+    public static final BitSet FOLLOW_rule__Statemachine__CommandsAssignment_3_1_in_rule__Statemachine__Group_3__1__Impl1194 = new BitSet(new long[]{0x0000000000000012L});
+    public static final BitSet FOLLOW_rule__Statemachine__Group_3__2__Impl_in_rule__Statemachine__Group_3__21227 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_12_in_rule__Statemachine__Group_3__2__Impl1255 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Event__Group__0__Impl_in_rule__Event__Group__01292 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_rule__Event__Group__1_in_rule__Event__Group__01295 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Event__NameAssignment_0_in_rule__Event__Group__0__Impl1322 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Event__Group__1__Impl_in_rule__Event__Group__11352 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Event__CodeAssignment_1_in_rule__Event__Group__1__Impl1379 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Command__Group__0__Impl_in_rule__Command__Group__01413 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_rule__Command__Group__1_in_rule__Command__Group__01416 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Command__NameAssignment_0_in_rule__Command__Group__0__Impl1443 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Command__Group__1__Impl_in_rule__Command__Group__11473 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Command__CodeAssignment_1_in_rule__Command__Group__1__Impl1500 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__State__Group__0__Impl_in_rule__State__Group__01534 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_rule__State__Group__1_in_rule__State__Group__01537 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_15_in_rule__State__Group__0__Impl1565 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__State__Group__1__Impl_in_rule__State__Group__11596 = new BitSet(new long[]{0x0000000000011010L});
+    public static final BitSet FOLLOW_rule__State__Group__2_in_rule__State__Group__11599 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__State__NameAssignment_1_in_rule__State__Group__1__Impl1626 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__State__Group__2__Impl_in_rule__State__Group__21656 = new BitSet(new long[]{0x0000000000011010L});
+    public static final BitSet FOLLOW_rule__State__Group__3_in_rule__State__Group__21659 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__State__Group_2__0_in_rule__State__Group__2__Impl1686 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__State__Group__3__Impl_in_rule__State__Group__31717 = new BitSet(new long[]{0x0000000000011010L});
+    public static final BitSet FOLLOW_rule__State__Group__4_in_rule__State__Group__31720 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__State__TransitionsAssignment_3_in_rule__State__Group__3__Impl1747 = new BitSet(new long[]{0x0000000000000012L});
+    public static final BitSet FOLLOW_rule__State__Group__4__Impl_in_rule__State__Group__41778 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_12_in_rule__State__Group__4__Impl1806 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__State__Group_2__0__Impl_in_rule__State__Group_2__01847 = new BitSet(new long[]{0x0000000000020000L});
+    public static final BitSet FOLLOW_rule__State__Group_2__1_in_rule__State__Group_2__01850 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_16_in_rule__State__Group_2__0__Impl1878 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__State__Group_2__1__Impl_in_rule__State__Group_2__11909 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_rule__State__Group_2__2_in_rule__State__Group_2__11912 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_17_in_rule__State__Group_2__1__Impl1940 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__State__Group_2__2__Impl_in_rule__State__Group_2__21971 = new BitSet(new long[]{0x0000000000040000L});
+    public static final BitSet FOLLOW_rule__State__Group_2__3_in_rule__State__Group_2__21974 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__State__ActionsAssignment_2_2_in_rule__State__Group_2__2__Impl2003 = new BitSet(new long[]{0x0000000000000012L});
+    public static final BitSet FOLLOW_rule__State__ActionsAssignment_2_2_in_rule__State__Group_2__2__Impl2015 = new BitSet(new long[]{0x0000000000000012L});
+    public static final BitSet FOLLOW_rule__State__Group_2__3__Impl_in_rule__State__Group_2__32048 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_18_in_rule__State__Group_2__3__Impl2076 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Transition__Group__0__Impl_in_rule__Transition__Group__02115 = new BitSet(new long[]{0x0000000000080000L});
+    public static final BitSet FOLLOW_rule__Transition__Group__1_in_rule__Transition__Group__02118 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Transition__EventAssignment_0_in_rule__Transition__Group__0__Impl2145 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Transition__Group__1__Impl_in_rule__Transition__Group__12175 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_rule__Transition__Group__2_in_rule__Transition__Group__12178 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_19_in_rule__Transition__Group__1__Impl2206 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Transition__Group__2__Impl_in_rule__Transition__Group__22237 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Transition__StateAssignment_2_in_rule__Transition__Group__2__Impl2264 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleEvent_in_rule__Statemachine__EventsAssignment_1_12305 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_RULE_ID_in_rule__Statemachine__ResetEventsAssignment_2_12340 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleCommand_in_rule__Statemachine__CommandsAssignment_3_12375 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleState_in_rule__Statemachine__StatesAssignment_42406 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_RULE_ID_in_rule__Event__NameAssignment_02437 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_RULE_ID_in_rule__Event__CodeAssignment_12468 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_RULE_ID_in_rule__Command__NameAssignment_02499 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_RULE_ID_in_rule__Command__CodeAssignment_12530 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_RULE_ID_in_rule__State__NameAssignment_12561 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_RULE_ID_in_rule__State__ActionsAssignment_2_22596 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleTransition_in_rule__State__TransitionsAssignment_32631 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_RULE_ID_in_rule__Transition__EventAssignment_02666 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_RULE_ID_in_rule__Transition__StateAssignment_22705 = new BitSet(new long[]{0x0000000000000002L});
+
+}
\ No newline at end of file
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/internal/StatemachineActivator.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/internal/StatemachineActivator.java
new file mode 100644
index 0000000..0dfd18c
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src-gen/org/eclipse/xtext/example/fowlerdsl/ui/internal/StatemachineActivator.java
@@ -0,0 +1,95 @@
+/*
+ * generated by Xtext
+ */
+package org.eclipse.xtext.example.fowlerdsl.ui.internal;
+
+import java.util.Collections;
+import java.util.Map;
+
+import org.apache.log4j.Logger;
+import org.eclipse.ui.plugin.AbstractUIPlugin;
+import org.eclipse.xtext.ui.shared.SharedStateModule;
+import org.eclipse.xtext.util.Modules2;
+import org.osgi.framework.BundleContext;
+
+import com.google.common.collect.Maps;
+import com.google.inject.Guice;
+import com.google.inject.Injector;
+import com.google.inject.Module;
+
+/**
+ * This class was generated. Customizations should only happen in a newly
+ * introduced subclass. 
+ */
+public class StatemachineActivator extends AbstractUIPlugin {
+	
+	public static final String ORG_ECLIPSE_XTEXT_EXAMPLE_FOWLERDSL_STATEMACHINE = "org.eclipse.xtext.example.fowlerdsl.Statemachine";
+	
+	private static final Logger logger = Logger.getLogger(StatemachineActivator.class);
+	
+	private static StatemachineActivator INSTANCE;
+	
+	private Map<String, Injector> injectors = Collections.synchronizedMap(Maps.<String, Injector> newHashMapWithExpectedSize(1));
+	
+	@Override
+	public void start(BundleContext context) throws Exception {
+		super.start(context);
+		INSTANCE = this;
+	}
+	
+	@Override
+	public void stop(BundleContext context) throws Exception {
+		injectors.clear();
+		INSTANCE = null;
+		super.stop(context);
+	}
+	
+	public static StatemachineActivator getInstance() {
+		return INSTANCE;
+	}
+	
+	public Injector getInjector(String language) {
+		synchronized (injectors) {
+			Injector injector = injectors.get(language);
+			if (injector == null) {
+				injectors.put(language, injector = createInjector(language));
+			}
+			return injector;
+		}
+	}
+	
+	protected Injector createInjector(String language) {
+		try {
+			Module runtimeModule = getRuntimeModule(language);
+			Module sharedStateModule = getSharedStateModule();
+			Module uiModule = getUiModule(language);
+			Module mergedModule = Modules2.mixin(runtimeModule, sharedStateModule, uiModule);
+			return Guice.createInjector(mergedModule);
+		} catch (Exception e) {
+			logger.error("Failed to create injector for " + language);
+			logger.error(e.getMessage(), e);
+			throw new RuntimeException("Failed to create injector for " + language, e);
+		}
+	}
+
+	protected Module getRuntimeModule(String grammar) {
+		if (ORG_ECLIPSE_XTEXT_EXAMPLE_FOWLERDSL_STATEMACHINE.equals(grammar)) {
+			return new org.eclipse.xtext.example.fowlerdsl.StatemachineRuntimeModule();
+		}
+		
+		throw new IllegalArgumentException(grammar);
+	}
+	
+	protected Module getUiModule(String grammar) {
+		if (ORG_ECLIPSE_XTEXT_EXAMPLE_FOWLERDSL_STATEMACHINE.equals(grammar)) {
+			return new org.eclipse.xtext.example.fowlerdsl.ui.StatemachineUiModule(this);
+		}
+		
+		throw new IllegalArgumentException(grammar);
+	}
+	
+	protected Module getSharedStateModule() {
+		return new SharedStateModule();
+	}
+	
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src/org/eclipse/xtext/example/fowlerdsl/ui/StatemachineUiModule.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src/org/eclipse/xtext/example/fowlerdsl/ui/StatemachineUiModule.java
new file mode 100644
index 0000000..46ddc98
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src/org/eclipse/xtext/example/fowlerdsl/ui/StatemachineUiModule.java
@@ -0,0 +1,15 @@
+/*
+ * generated by Xtext
+ */
+package org.eclipse.xtext.example.fowlerdsl.ui;
+
+import org.eclipse.ui.plugin.AbstractUIPlugin;
+
+/**
+ * Use this class to register components to be used within the IDE.
+ */
+public class StatemachineUiModule extends org.eclipse.xtext.example.fowlerdsl.ui.AbstractStatemachineUiModule {
+	public StatemachineUiModule(AbstractUIPlugin plugin) {
+		super(plugin);
+	}
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/StatemachineProposalProvider.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/StatemachineProposalProvider.java
new file mode 100644
index 0000000..cb76b69
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src/org/eclipse/xtext/example/fowlerdsl/ui/contentassist/StatemachineProposalProvider.java
@@ -0,0 +1,12 @@
+/*
+* generated by Xtext
+*/
+package org.eclipse.xtext.example.fowlerdsl.ui.contentassist;
+
+import org.eclipse.xtext.example.fowlerdsl.ui.contentassist.AbstractStatemachineProposalProvider;
+/**
+ * see http://www.eclipse.org/Xtext/documentation/latest/xtext.html#contentAssist on how to customize content assistant
+ */
+public class StatemachineProposalProvider extends AbstractStatemachineProposalProvider {
+
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src/org/eclipse/xtext/example/fowlerdsl/ui/labeling/StatemachineDescriptionLabelProvider.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src/org/eclipse/xtext/example/fowlerdsl/ui/labeling/StatemachineDescriptionLabelProvider.java
new file mode 100644
index 0000000..971e69e
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src/org/eclipse/xtext/example/fowlerdsl/ui/labeling/StatemachineDescriptionLabelProvider.java
@@ -0,0 +1,27 @@
+/*
+* generated by Xtext
+*/
+package org.eclipse.xtext.example.fowlerdsl.ui.labeling;
+
+import org.eclipse.xtext.ui.label.DefaultDescriptionLabelProvider;
+
+/**
+ * Provides labels for a IEObjectDescriptions and IResourceDescriptions.
+ * 
+ * see http://www.eclipse.org/Xtext/documentation/latest/xtext.html#labelProvider
+ */
+public class StatemachineDescriptionLabelProvider extends DefaultDescriptionLabelProvider {
+
+/*
+	//Labels and icons can be computed like this:
+	
+	String text(IEObjectDescription ele) {
+	  return "my "+ele.getName();
+	}
+	 
+    String image(IEObjectDescription ele) {
+      return ele.getEClass().getName() + ".gif";
+    }	 
+*/
+
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src/org/eclipse/xtext/example/fowlerdsl/ui/labeling/StatemachineLabelProvider.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src/org/eclipse/xtext/example/fowlerdsl/ui/labeling/StatemachineLabelProvider.java
new file mode 100644
index 0000000..e816442
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src/org/eclipse/xtext/example/fowlerdsl/ui/labeling/StatemachineLabelProvider.java
@@ -0,0 +1,34 @@
+/*
+* generated by Xtext
+*/
+package org.eclipse.xtext.example.fowlerdsl.ui.labeling;
+
+import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
+import org.eclipse.xtext.ui.label.DefaultEObjectLabelProvider;
+
+import com.google.inject.Inject;
+
+/**
+ * Provides labels for a EObjects.
+ * 
+ * see http://www.eclipse.org/Xtext/documentation/latest/xtext.html#labelProvider
+ */
+public class StatemachineLabelProvider extends DefaultEObjectLabelProvider {
+
+	@Inject
+	public StatemachineLabelProvider(AdapterFactoryLabelProvider delegate) {
+		super(delegate);
+	}
+
+/*
+	//Labels and icons can be computed like this:
+	
+	String text(MyModel ele) {
+	  return "my "+ele.getName();
+	}
+	 
+    String image(MyModel ele) {
+      return "MyModel.gif";
+    }
+*/
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src/org/eclipse/xtext/example/fowlerdsl/ui/outline/StatemachineOutlineTreeProvider.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src/org/eclipse/xtext/example/fowlerdsl/ui/outline/StatemachineOutlineTreeProvider.java
new file mode 100644
index 0000000..2520ac5
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src/org/eclipse/xtext/example/fowlerdsl/ui/outline/StatemachineOutlineTreeProvider.java
@@ -0,0 +1,14 @@
+/*
+* generated by Xtext
+*/
+package org.eclipse.xtext.example.fowlerdsl.ui.outline;
+
+import org.eclipse.xtext.ui.editor.outline.impl.DefaultOutlineTreeProvider;
+
+/**
+ * customization of the default outline structure
+ * 
+ */
+public class StatemachineOutlineTreeProvider extends DefaultOutlineTreeProvider {
+	
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src/org/eclipse/xtext/example/fowlerdsl/ui/quickfix/StatemachineQuickfixProvider.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src/org/eclipse/xtext/example/fowlerdsl/ui/quickfix/StatemachineQuickfixProvider.java
new file mode 100644
index 0000000..7eb5eef
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl.ui/src/org/eclipse/xtext/example/fowlerdsl/ui/quickfix/StatemachineQuickfixProvider.java
@@ -0,0 +1,19 @@
+
+package org.eclipse.xtext.example.fowlerdsl.ui.quickfix;
+
+import org.eclipse.xtext.ui.editor.quickfix.DefaultQuickfixProvider;
+
+public class StatemachineQuickfixProvider extends DefaultQuickfixProvider {
+
+//	@Fix(MyJavaValidator.INVALID_NAME)
+//	public void capitalizeName(final Issue issue, IssueResolutionAcceptor acceptor) {
+//		acceptor.accept(issue, "Capitalize name", "Capitalize the name.", "upcase.png", new IModification() {
+//			public void apply(IModificationContext context) throws BadLocationException {
+//				IXtextDocument xtextDocument = context.getXtextDocument();
+//				String firstLetter = xtextDocument.get(issue.getOffset(), 1);
+//				xtextDocument.replace(issue.getOffset(), 1, firstLetter.toUpperCase());
+//			}
+//		});
+//	}
+
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/.classpath b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/.classpath
new file mode 100644
index 0000000..406ca4a
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/.classpath
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="src-gen"/>
+	<classpathentry kind="src" path="xtend-gen"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/.project b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/.project
new file mode 100644
index 0000000..383ddac
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/.project
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>org.eclipse.xtext.example.fowlerdsl</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ManifestBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.SchemaBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.xtext.ui.shared.xtextBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.pde.PluginNature</nature>
+		<nature>org.eclipse.xtext.ui.shared.xtextNature</nature>
+	</natures>
+</projectDescription>
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/.settings/org.eclipse.core.resources.prefs b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/.settings/org.eclipse.core.resources.prefs
new file mode 100644
index 0000000..99f26c0
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/.settings/org.eclipse.core.resources.prefs
@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+encoding/<project>=UTF-8
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/GenerateStatemachine.mwe2.launch b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/GenerateStatemachine.mwe2.launch
new file mode 100644
index 0000000..b8064f8
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/GenerateStatemachine.mwe2.launch
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<launchConfiguration type="org.eclipse.emf.mwe2.launch.Mwe2LaunchConfigurationType">
+<stringAttribute key="org.eclipse.debug.core.ATTR_REFRESH_SCOPE" value="${working_set:&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;&#10;&lt;launchConfigurationWorkingSet factoryID=&quot;org.eclipse.ui.internal.WorkingSetFactory&quot; id=&quot;1299248699643_13&quot; label=&quot;working set&quot; name=&quot;working set&quot;&gt;&#10;&lt;item factoryID=&quot;org.eclipse.ui.internal.model.ResourceFactory&quot; path=&quot;/org.eclipse.xtext.example.fowlerdsl&quot; type=&quot;4&quot;/&gt;&#10;&lt;item factoryID=&quot;org.eclipse.ui.internal.model.ResourceFactory&quot; path=&quot;/org.eclipse.xtext.example.fowlerdsl.generator&quot; type=&quot;4&quot;/&gt;&#10;&lt;item factoryID=&quot;org.eclipse.ui.internal.model.ResourceFactory&quot; path=&quot;/org.eclipse.xtext.example.fowlerdsl.tests&quot; type=&quot;4&quot;/&gt;&#10;&lt;item factoryID=&quot;org.eclipse.ui.internal.model.ResourceFactory&quot; path=&quot;/org.eclipse.xtext.example.fowlerdsl.ui&quot; type=&quot;4&quot;/&gt;&#10;&lt;/launchConfigurationWorkingSet&gt;}"/>
+<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
+<listEntry value="/org.eclipse.xtext.example.fowlerdsl"/>
+</listAttribute>
+<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
+<listEntry value="4"/>
+</listAttribute>
+<stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value="org.eclipse.emf.mwe2.launch.runtime.Mwe2Launcher"/>
+<stringAttribute key="org.eclipse.jdt.launching.PROGRAM_ARGUMENTS" value="src/org/eclipse/xtext/example/fowlerdsl/GenerateStatemachine.mwe2"/>
+<stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="org.eclipse.xtext.example.fowlerdsl"/>
+<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-Xmx512m"/>
+</launchConfiguration>
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/META-INF/MANIFEST.MF b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/META-INF/MANIFEST.MF
new file mode 100644
index 0000000..77e71bd
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/META-INF/MANIFEST.MF
@@ -0,0 +1,36 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: org.eclipse.xtext.example.fowlerdsl
+Bundle-Vendor: My Company
+Bundle-Version: 1.0.0
+Bundle-SymbolicName: org.eclipse.xtext.example.fowlerdsl; singleton:=true
+Bundle-ActivationPolicy: lazy
+Require-Bundle: org.eclipse.xtext;bundle-version="2.3.0";visibility:=reexport,
+ org.eclipse.xtext.generator;resolution:=optional;x-installation:=greedy,
+ org.eclipse.emf.codegen.ecore;resolution:=optional;x-installation:=greedy,
+ org.eclipse.emf.mwe.utils;resolution:=optional;x-installation:=greedy,
+ org.eclipse.emf.mwe2.launch;resolution:=optional;x-installation:=greedy,
+ org.eclipse.xtext.ui.codetemplates;resolution:=optional;x-installation:=greedy,
+ org.eclipse.xtext.util,
+ org.eclipse.emf.ecore,
+ org.eclipse.emf.common,
+ org.antlr.runtime;bundle-version="[3.2.0,3.2.1)",
+ org.eclipse.xtext.common.types,
+ org.eclipse.xtext.xbase.lib;bundle-version="2.3.0"
+Import-Package: org.apache.log4j,
+ org.apache.commons.logging,
+ org.eclipse.xtext.xbase.lib
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
+Export-Package: org.eclipse.xtext.example.fowlerdsl,
+ org.eclipse.xtext.example.fowlerdsl.services,
+ org.eclipse.xtext.example.fowlerdsl.statemachine,
+ org.eclipse.xtext.example.fowlerdsl.statemachine.impl,
+ org.eclipse.xtext.example.fowlerdsl.statemachine.util,
+ org.eclipse.xtext.example.fowlerdsl.serializer,
+ org.eclipse.xtext.example.fowlerdsl.parser.antlr,
+ org.eclipse.xtext.example.fowlerdsl.parser.antlr.internal,
+ org.eclipse.xtext.example.fowlerdsl.validation,
+ org.eclipse.xtext.example.fowlerdsl.scoping,
+ org.eclipse.xtext.example.fowlerdsl.generator,
+ org.eclipse.xtext.example.fowlerdsl.formatting
+
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/README.TXT b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/README.TXT
new file mode 100644
index 0000000..17657ed
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/README.TXT
@@ -0,0 +1,46 @@
+Start a new Eclipse Application and create an empty Java project.
+Add new source folder called "src-gen/" and put the following statemachine into a file in the "src/" folder.
+
+// MrsGrantsSecretCompartments.statemachine
+
+events
+	doorClosed	D1CL
+	drawOpened	D2OP
+	lightOn		L1ON
+	doorOpened	D1OP
+	panelClosed PNCL
+end
+
+resetEvents
+	doorClosed
+end
+
+commands
+	unlockPanel PNUL
+	lockPanel	PNLK
+	lockDoor	D1LK
+	unlockDoor	D1UL
+end
+
+state idle
+	actions {unlockDoor lockPanel}
+	doorClosed => active
+end
+
+state active
+	drawOpened 	=> waitingForLight
+	lightOn		=> waitingForDraw
+end
+
+state waitingForLight
+	lightOn => unlockedPanel
+end
+
+state waitingForDraw
+	drawOpened => unlockedPanel
+end
+
+state unlockedPanel
+	actions {unlockPanel lockDoor}
+	panelClosed => idle
+end
\ No newline at end of file
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/build.properties b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/build.properties
new file mode 100644
index 0000000..31255ed
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/build.properties
@@ -0,0 +1,6 @@
+source.. = src/,\
+          src-gen/,\
+          xtend-gen/
+bin.includes = META-INF/,\
+               .,\
+               plugin.xml
\ No newline at end of file
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/plugin.xml b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/plugin.xml
new file mode 100644
index 0000000..1e5e947
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/plugin.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.0"?>
+
+<plugin>
+
+  <extension point="org.eclipse.emf.ecore.generated_package">
+    <package 
+       uri = "http://www.eclipse.org/xtext/example/fowlerdsl/Statemachine" 
+       class = "org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage"
+       genModel = "org/eclipse/xtext/example/fowlerdsl/Statemachine.genmodel" /> 
+	
+  </extension>
+
+
+
+
+
+</plugin>
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/plugin.xml_gen b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/plugin.xml_gen
new file mode 100644
index 0000000..bbf6ddc
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/plugin.xml_gen
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.0"?>
+
+<plugin>
+
+  <extension point="org.eclipse.emf.ecore.generated_package">
+    <package 
+       uri = "http://www.eclipse.org/xtext/example/fowlerdsl/Statemachine" 
+       class = "org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage"
+       genModel = "org/eclipse/xtext/example/fowlerdsl/Statemachine.genmodel" /> 
+	
+  </extension>
+
+
+
+
+</plugin>
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/AbstractStatemachineRuntimeModule.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/AbstractStatemachineRuntimeModule.java
new file mode 100644
index 0000000..de6a4e3
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/AbstractStatemachineRuntimeModule.java
@@ -0,0 +1,172 @@
+/*
+ * generated by Xtext
+ */
+package org.eclipse.xtext.example.fowlerdsl;
+
+import java.util.Properties;
+
+import org.eclipse.xtext.Constants;
+import org.eclipse.xtext.service.DefaultRuntimeModule;
+
+import com.google.inject.Binder;
+import com.google.inject.name.Names;
+
+/**
+ * Manual modifications go to {org.eclipse.xtext.example.fowlerdsl.StatemachineRuntimeModule}
+ */
+ @SuppressWarnings("all")
+public abstract class AbstractStatemachineRuntimeModule extends DefaultRuntimeModule {
+
+	protected Properties properties = null;
+
+	@Override
+	public void configure(Binder binder) {
+		properties = tryBindProperties(binder, "org/eclipse/xtext/example/fowlerdsl/Statemachine.properties");
+		super.configure(binder);
+	}
+	
+	public void configureLanguageName(Binder binder) {
+		binder.bind(String.class).annotatedWith(Names.named(Constants.LANGUAGE_NAME)).toInstance("org.eclipse.xtext.example.fowlerdsl.Statemachine");
+	}
+	
+	public void configureFileExtensions(Binder binder) {
+		if (properties == null || properties.getProperty(Constants.FILE_EXTENSIONS) == null)
+			binder.bind(String.class).annotatedWith(Names.named(Constants.FILE_EXTENSIONS)).toInstance("statemachine");
+	}
+	
+	// contributed by org.eclipse.xtext.generator.grammarAccess.GrammarAccessFragment
+	public Class<? extends org.eclipse.xtext.IGrammarAccess> bindIGrammarAccess() {
+		return org.eclipse.xtext.example.fowlerdsl.services.StatemachineGrammarAccess.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.serializer.SerializerFragment
+	public Class<? extends org.eclipse.xtext.serializer.sequencer.ISemanticSequencer> bindISemanticSequencer() {
+		return org.eclipse.xtext.example.fowlerdsl.serializer.StatemachineSemanticSequencer.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.serializer.SerializerFragment
+	public Class<? extends org.eclipse.xtext.serializer.sequencer.ISyntacticSequencer> bindISyntacticSequencer() {
+		return org.eclipse.xtext.example.fowlerdsl.serializer.StatemachineSyntacticSequencer.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.serializer.SerializerFragment
+	public Class<? extends org.eclipse.xtext.serializer.ISerializer> bindISerializer() {
+		return org.eclipse.xtext.serializer.impl.Serializer.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public Class<? extends org.eclipse.xtext.parser.IParser> bindIParser() {
+		return org.eclipse.xtext.example.fowlerdsl.parser.antlr.StatemachineParser.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public Class<? extends org.eclipse.xtext.parser.ITokenToStringConverter> bindITokenToStringConverter() {
+		return org.eclipse.xtext.parser.antlr.AntlrTokenToStringConverter.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public Class<? extends org.eclipse.xtext.parser.antlr.IAntlrTokenFileProvider> bindIAntlrTokenFileProvider() {
+		return org.eclipse.xtext.example.fowlerdsl.parser.antlr.StatemachineAntlrTokenFileProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public Class<? extends org.eclipse.xtext.parser.antlr.Lexer> bindLexer() {
+		return org.eclipse.xtext.example.fowlerdsl.parser.antlr.internal.InternalStatemachineLexer.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public com.google.inject.Provider<org.eclipse.xtext.example.fowlerdsl.parser.antlr.internal.InternalStatemachineLexer> provideInternalStatemachineLexer() {
+		return org.eclipse.xtext.parser.antlr.LexerProvider.create(org.eclipse.xtext.example.fowlerdsl.parser.antlr.internal.InternalStatemachineLexer.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public void configureRuntimeLexer(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.parser.antlr.Lexer.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.parser.antlr.LexerBindings.RUNTIME)).to(org.eclipse.xtext.example.fowlerdsl.parser.antlr.internal.InternalStatemachineLexer.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public Class<? extends org.eclipse.xtext.parser.antlr.ITokenDefProvider> bindITokenDefProvider() {
+		return org.eclipse.xtext.parser.antlr.AntlrTokenDefProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.validation.JavaValidatorFragment
+	@org.eclipse.xtext.service.SingletonBinding(eager=true)	public Class<? extends org.eclipse.xtext.example.fowlerdsl.validation.StatemachineJavaValidator> bindStatemachineJavaValidator() {
+		return org.eclipse.xtext.example.fowlerdsl.validation.StatemachineJavaValidator.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.scoping.AbstractScopingFragment
+	public Class<? extends org.eclipse.xtext.scoping.IScopeProvider> bindIScopeProvider() {
+		return org.eclipse.xtext.example.fowlerdsl.scoping.StatemachineScopeProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.scoping.AbstractScopingFragment
+	public void configureIScopeProviderDelegate(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.scoping.IScopeProvider.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider.NAMED_DELEGATE)).to(org.eclipse.xtext.scoping.impl.ImportedNamespaceAwareLocalScopeProvider.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.scoping.AbstractScopingFragment
+	public void configureIgnoreCaseLinking(com.google.inject.Binder binder) {
+		binder.bindConstant().annotatedWith(org.eclipse.xtext.scoping.IgnoreCaseLinking.class).to(false);
+	}
+
+	// contributed by org.eclipse.xtext.generator.exporting.QualifiedNamesFragment
+	public Class<? extends org.eclipse.xtext.naming.IQualifiedNameProvider> bindIQualifiedNameProvider() {
+		return org.eclipse.xtext.naming.DefaultDeclarativeQualifiedNameProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public Class<? extends org.eclipse.xtext.resource.IContainer.Manager> bindIContainer$Manager() {
+		return org.eclipse.xtext.resource.containers.StateBasedContainerManager.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public Class<? extends org.eclipse.xtext.resource.containers.IAllContainersState.Provider> bindIAllContainersState$Provider() {
+		return org.eclipse.xtext.resource.containers.ResourceSetBasedAllContainersStateProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public void configureIResourceDescriptions(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.resource.IResourceDescriptions.class).to(org.eclipse.xtext.resource.impl.ResourceSetBasedResourceDescriptions.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public void configureIResourceDescriptionsBuilderScope(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.resource.IResourceDescriptions.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.resource.impl.ResourceDescriptionsProvider.NAMED_BUILDER_SCOPE)).to(org.eclipse.xtext.resource.impl.ResourceSetBasedResourceDescriptions.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.generator.GeneratorFragment
+	public Class<? extends org.eclipse.xtext.generator.IGenerator> bindIGenerator() {
+		return org.eclipse.xtext.example.fowlerdsl.generator.StatemachineGenerator.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.formatting.FormatterFragment
+	public Class<? extends org.eclipse.xtext.formatting.IFormatter> bindIFormatter() {
+		return org.eclipse.xtext.example.fowlerdsl.formatting.StatemachineFormatter.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public java.lang.ClassLoader bindClassLoaderToInstance() {
+		return getClass().getClassLoader();
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public org.eclipse.xtext.common.types.TypesFactory bindTypesFactoryToInstance() {
+		return org.eclipse.xtext.common.types.TypesFactory.eINSTANCE;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.common.types.access.IJvmTypeProvider.Factory> bindIJvmTypeProvider$Factory() {
+		return org.eclipse.xtext.common.types.access.ClasspathTypeProviderFactory.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.common.types.xtext.AbstractTypeScopeProvider> bindAbstractTypeScopeProvider() {
+		return org.eclipse.xtext.common.types.xtext.ClasspathBasedTypeScopeProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.scoping.IGlobalScopeProvider> bindIGlobalScopeProvider() {
+		return org.eclipse.xtext.common.types.xtext.TypesAwareDefaultGlobalScopeProvider.class;
+	}
+
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/Statemachine.ecore b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/Statemachine.ecore
new file mode 100644
index 0000000..0a9240e
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/Statemachine.ecore
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ecore:EPackage xmi:version="2.0"
+    xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" name="statemachine"
+    nsURI="http://www.eclipse.org/xtext/example/fowlerdsl/Statemachine" nsPrefix="statemachine">
+  <eClassifiers xsi:type="ecore:EClass" name="Statemachine">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="events" upperBound="-1"
+        eType="#//Event" containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="resetEvents" unique="false"
+        upperBound="-1" eType="#//Event"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="commands" upperBound="-1"
+        eType="#//Command" containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="states" upperBound="-1"
+        eType="#//State" containment="true"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Event">
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="name" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="code" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Command">
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="name" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="code" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="State">
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="name" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="actions" unique="false"
+        upperBound="-1" eType="#//Command"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="transitions" upperBound="-1"
+        eType="#//Transition" containment="true"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Transition">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="event" eType="#//Event"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="state" eType="#//State"/>
+  </eClassifiers>
+</ecore:EPackage>
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/Statemachine.genmodel b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/Statemachine.genmodel
new file mode 100644
index 0000000..d5d7b68
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/Statemachine.genmodel
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<genmodel:GenModel xmi:version="2.0"
+    xmlns:xmi="http://www.omg.org/XMI" xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore"
+    xmlns:genmodel="http://www.eclipse.org/emf/2002/GenModel" modelDirectory="/org.eclipse.xtext.example.fowlerdsl/src-gen"
+    editDirectory="/org.eclipse.xtext.example.fowlerdsl.edit/src" editorDirectory="/org.eclipse.xtext.example.fowlerdsl.editor/src"
+    modelPluginID="org.eclipse.xtext.example.fowlerdsl" forceOverwrite="true" modelName="Statemachine"
+    updateClasspath="false" rootExtendsClass="org.eclipse.emf.ecore.impl.MinimalEObjectImpl$Container"
+    complianceLevel="5.0" copyrightFields="false" editPluginID="org.eclipse.xtext.example.fowlerdsl.edit"
+    editorPluginID="org.eclipse.xtext.example.fowlerdsl.editor">
+  <genPackages prefix="Statemachine" basePackage="org.eclipse.xtext.example.fowlerdsl"
+      disposableProviderFactory="true" ecorePackage="Statemachine.ecore#/">
+    <genClasses ecoreClass="Statemachine.ecore#//Statemachine">
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference Statemachine.ecore#//Statemachine/events"/>
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference Statemachine.ecore#//Statemachine/resetEvents"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference Statemachine.ecore#//Statemachine/commands"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference Statemachine.ecore#//Statemachine/states"/>
+    </genClasses>
+    <genClasses ecoreClass="Statemachine.ecore#//Event">
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute Statemachine.ecore#//Event/name"/>
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute Statemachine.ecore#//Event/code"/>
+    </genClasses>
+    <genClasses ecoreClass="Statemachine.ecore#//Command">
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute Statemachine.ecore#//Command/name"/>
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute Statemachine.ecore#//Command/code"/>
+    </genClasses>
+    <genClasses ecoreClass="Statemachine.ecore#//State">
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute Statemachine.ecore#//State/name"/>
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference Statemachine.ecore#//State/actions"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference Statemachine.ecore#//State/transitions"/>
+    </genClasses>
+    <genClasses ecoreClass="Statemachine.ecore#//Transition">
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference Statemachine.ecore#//Transition/event"/>
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference Statemachine.ecore#//Transition/state"/>
+    </genClasses>
+  </genPackages>
+</genmodel:GenModel>
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/Statemachine.xmi b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/Statemachine.xmi
new file mode 100644
index 0000000..03a7437
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/Statemachine.xmi
@@ -0,0 +1,280 @@
+<?xml version="1.0" encoding="ASCII"?>
+<xmi:XMI xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" xmlns:xtext="http://www.eclipse.org/2008/Xtext">
+  <xtext:Grammar name="org.eclipse.xtext.example.fowlerdsl.Statemachine" usedGrammars="/1">
+    <metamodelDeclarations xsi:type="xtext:GeneratedMetamodel" name="statemachine">
+      <ePackage href="http://www.eclipse.org/xtext/example/fowlerdsl/Statemachine#/"/>
+    </metamodelDeclarations>
+    <rules xsi:type="xtext:ParserRule" name="Statemachine">
+      <type metamodel="/0/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/xtext/example/fowlerdsl/Statemachine#//Statemachine"/>
+      </type>
+      <alternatives xsi:type="xtext:Group">
+        <elements xsi:type="xtext:Action">
+          <type metamodel="/0/@metamodelDeclarations.0">
+            <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/xtext/example/fowlerdsl/Statemachine#//Statemachine"/>
+          </type>
+        </elements>
+        <elements xsi:type="xtext:Group" cardinality="?">
+          <elements xsi:type="xtext:Keyword" value="events"/>
+          <elements xsi:type="xtext:Assignment" cardinality="+" feature="events" operator="+=">
+            <terminal xsi:type="xtext:RuleCall" rule="/0/@rules.1"/>
+          </elements>
+          <elements xsi:type="xtext:Keyword" value="end"/>
+        </elements>
+        <elements xsi:type="xtext:Group" cardinality="?">
+          <elements xsi:type="xtext:Keyword" value="resetEvents"/>
+          <elements xsi:type="xtext:Assignment" cardinality="+" feature="resetEvents" operator="+=">
+            <terminal xsi:type="xtext:CrossReference">
+              <type metamodel="/0/@metamodelDeclarations.0">
+                <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/xtext/example/fowlerdsl/Statemachine#//Event"/>
+              </type>
+              <terminal xsi:type="xtext:RuleCall" rule="/1/@rules.0"/>
+            </terminal>
+          </elements>
+          <elements xsi:type="xtext:Keyword" value="end"/>
+        </elements>
+        <elements xsi:type="xtext:Group" cardinality="?">
+          <elements xsi:type="xtext:Keyword" value="commands"/>
+          <elements xsi:type="xtext:Assignment" cardinality="+" feature="commands" operator="+=">
+            <terminal xsi:type="xtext:RuleCall" rule="/0/@rules.2"/>
+          </elements>
+          <elements xsi:type="xtext:Keyword" value="end"/>
+        </elements>
+        <elements xsi:type="xtext:Assignment" cardinality="*" feature="states" operator="+=">
+          <terminal xsi:type="xtext:RuleCall" rule="/0/@rules.3"/>
+        </elements>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:ParserRule" name="Event">
+      <type metamodel="/0/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/xtext/example/fowlerdsl/Statemachine#//Event"/>
+      </type>
+      <alternatives xsi:type="xtext:Group">
+        <elements xsi:type="xtext:Assignment" feature="name" operator="=">
+          <terminal xsi:type="xtext:RuleCall" rule="/1/@rules.0"/>
+        </elements>
+        <elements xsi:type="xtext:Assignment" feature="code" operator="=">
+          <terminal xsi:type="xtext:RuleCall" rule="/1/@rules.0"/>
+        </elements>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:ParserRule" name="Command">
+      <type metamodel="/0/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/xtext/example/fowlerdsl/Statemachine#//Command"/>
+      </type>
+      <alternatives xsi:type="xtext:Group">
+        <elements xsi:type="xtext:Assignment" feature="name" operator="=">
+          <terminal xsi:type="xtext:RuleCall" rule="/1/@rules.0"/>
+        </elements>
+        <elements xsi:type="xtext:Assignment" feature="code" operator="=">
+          <terminal xsi:type="xtext:RuleCall" rule="/1/@rules.0"/>
+        </elements>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:ParserRule" name="State">
+      <type metamodel="/0/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/xtext/example/fowlerdsl/Statemachine#//State"/>
+      </type>
+      <alternatives xsi:type="xtext:Group">
+        <elements xsi:type="xtext:Keyword" value="state"/>
+        <elements xsi:type="xtext:Assignment" feature="name" operator="=">
+          <terminal xsi:type="xtext:RuleCall" rule="/1/@rules.0"/>
+        </elements>
+        <elements xsi:type="xtext:Group" cardinality="?">
+          <elements xsi:type="xtext:Keyword" value="actions"/>
+          <elements xsi:type="xtext:Keyword" value="{"/>
+          <elements xsi:type="xtext:Assignment" cardinality="+" feature="actions" operator="+=">
+            <terminal xsi:type="xtext:CrossReference">
+              <type metamodel="/0/@metamodelDeclarations.0">
+                <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/xtext/example/fowlerdsl/Statemachine#//Command"/>
+              </type>
+              <terminal xsi:type="xtext:RuleCall" rule="/1/@rules.0"/>
+            </terminal>
+          </elements>
+          <elements xsi:type="xtext:Keyword" value="}"/>
+        </elements>
+        <elements xsi:type="xtext:Assignment" cardinality="*" feature="transitions" operator="+=">
+          <terminal xsi:type="xtext:RuleCall" rule="/0/@rules.4"/>
+        </elements>
+        <elements xsi:type="xtext:Keyword" value="end"/>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:ParserRule" name="Transition">
+      <type metamodel="/0/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/xtext/example/fowlerdsl/Statemachine#//Transition"/>
+      </type>
+      <alternatives xsi:type="xtext:Group">
+        <elements xsi:type="xtext:Assignment" feature="event" operator="=">
+          <terminal xsi:type="xtext:CrossReference">
+            <type metamodel="/0/@metamodelDeclarations.0">
+              <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/xtext/example/fowlerdsl/Statemachine#//Event"/>
+            </type>
+            <terminal xsi:type="xtext:RuleCall" rule="/1/@rules.0"/>
+          </terminal>
+        </elements>
+        <elements xsi:type="xtext:Keyword" value="=>"/>
+        <elements xsi:type="xtext:Assignment" feature="state" operator="=">
+          <terminal xsi:type="xtext:CrossReference">
+            <type metamodel="/0/@metamodelDeclarations.0">
+              <classifier xsi:type="ecore:EClass" href="http://www.eclipse.org/xtext/example/fowlerdsl/Statemachine#//State"/>
+            </type>
+            <terminal xsi:type="xtext:RuleCall" rule="/1/@rules.0"/>
+          </terminal>
+        </elements>
+      </alternatives>
+    </rules>
+  </xtext:Grammar>
+  <xtext:Grammar name="org.eclipse.xtext.common.Terminals" definesHiddenTokens="true" hiddenTokens="/1/@rules.5 /1/@rules.3 /1/@rules.4">
+    <metamodelDeclarations xsi:type="xtext:ReferencedMetamodel" alias="ecore">
+      <ePackage href="http://www.eclipse.org/emf/2002/Ecore#/"/>
+    </metamodelDeclarations>
+    <rules xsi:type="xtext:TerminalRule" name="ID">
+      <type metamodel="/1/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+      </type>
+      <alternatives xsi:type="xtext:Group">
+        <elements xsi:type="xtext:Keyword" cardinality="?" value="^"/>
+        <elements xsi:type="xtext:Alternatives">
+          <elements xsi:type="xtext:CharacterRange">
+            <left value="a"/>
+            <right value="z"/>
+          </elements>
+          <elements xsi:type="xtext:CharacterRange">
+            <left value="A"/>
+            <right value="Z"/>
+          </elements>
+          <elements xsi:type="xtext:Keyword" value="_"/>
+        </elements>
+        <elements xsi:type="xtext:Alternatives" cardinality="*">
+          <elements xsi:type="xtext:CharacterRange">
+            <left value="a"/>
+            <right value="z"/>
+          </elements>
+          <elements xsi:type="xtext:CharacterRange">
+            <left value="A"/>
+            <right value="Z"/>
+          </elements>
+          <elements xsi:type="xtext:Keyword" value="_"/>
+          <elements xsi:type="xtext:CharacterRange">
+            <left value="0"/>
+            <right value="9"/>
+          </elements>
+        </elements>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:TerminalRule" name="INT">
+      <type metamodel="/1/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EInt"/>
+      </type>
+      <alternatives xsi:type="xtext:CharacterRange" cardinality="+">
+        <left value="0"/>
+        <right value="9"/>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:TerminalRule" name="STRING">
+      <type metamodel="/1/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+      </type>
+      <alternatives xsi:type="xtext:Alternatives">
+        <elements xsi:type="xtext:Group">
+          <elements xsi:type="xtext:Keyword" value="&quot;"/>
+          <elements xsi:type="xtext:Alternatives" cardinality="*">
+            <elements xsi:type="xtext:Group">
+              <elements xsi:type="xtext:Keyword" value="\"/>
+              <elements xsi:type="xtext:Alternatives">
+                <elements xsi:type="xtext:Keyword" value="b"/>
+                <elements xsi:type="xtext:Keyword" value="t"/>
+                <elements xsi:type="xtext:Keyword" value="n"/>
+                <elements xsi:type="xtext:Keyword" value="f"/>
+                <elements xsi:type="xtext:Keyword" value="r"/>
+                <elements xsi:type="xtext:Keyword" value="u"/>
+                <elements xsi:type="xtext:Keyword" value="&quot;"/>
+                <elements xsi:type="xtext:Keyword" value="'"/>
+                <elements xsi:type="xtext:Keyword" value="\"/>
+              </elements>
+            </elements>
+            <elements xsi:type="xtext:NegatedToken">
+              <terminal xsi:type="xtext:Alternatives">
+                <elements xsi:type="xtext:Keyword" value="\"/>
+                <elements xsi:type="xtext:Keyword" value="&quot;"/>
+              </terminal>
+            </elements>
+          </elements>
+          <elements xsi:type="xtext:Keyword" value="&quot;"/>
+        </elements>
+        <elements xsi:type="xtext:Group">
+          <elements xsi:type="xtext:Keyword" value="'"/>
+          <elements xsi:type="xtext:Alternatives" cardinality="*">
+            <elements xsi:type="xtext:Group">
+              <elements xsi:type="xtext:Keyword" value="\"/>
+              <elements xsi:type="xtext:Alternatives">
+                <elements xsi:type="xtext:Keyword" value="b"/>
+                <elements xsi:type="xtext:Keyword" value="t"/>
+                <elements xsi:type="xtext:Keyword" value="n"/>
+                <elements xsi:type="xtext:Keyword" value="f"/>
+                <elements xsi:type="xtext:Keyword" value="r"/>
+                <elements xsi:type="xtext:Keyword" value="u"/>
+                <elements xsi:type="xtext:Keyword" value="&quot;"/>
+                <elements xsi:type="xtext:Keyword" value="'"/>
+                <elements xsi:type="xtext:Keyword" value="\"/>
+              </elements>
+            </elements>
+            <elements xsi:type="xtext:NegatedToken">
+              <terminal xsi:type="xtext:Alternatives">
+                <elements xsi:type="xtext:Keyword" value="\"/>
+                <elements xsi:type="xtext:Keyword" value="'"/>
+              </terminal>
+            </elements>
+          </elements>
+          <elements xsi:type="xtext:Keyword" value="'"/>
+        </elements>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:TerminalRule" name="ML_COMMENT">
+      <type metamodel="/1/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+      </type>
+      <alternatives xsi:type="xtext:Group">
+        <elements xsi:type="xtext:Keyword" value="/*"/>
+        <elements xsi:type="xtext:UntilToken">
+          <terminal xsi:type="xtext:Keyword" value="*/"/>
+        </elements>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:TerminalRule" name="SL_COMMENT">
+      <type metamodel="/1/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+      </type>
+      <alternatives xsi:type="xtext:Group">
+        <elements xsi:type="xtext:Keyword" value="//"/>
+        <elements xsi:type="xtext:NegatedToken" cardinality="*">
+          <terminal xsi:type="xtext:Alternatives">
+            <elements xsi:type="xtext:Keyword" value="&#xA;"/>
+            <elements xsi:type="xtext:Keyword" value="&#xD;"/>
+          </terminal>
+        </elements>
+        <elements xsi:type="xtext:Group" cardinality="?">
+          <elements xsi:type="xtext:Keyword" cardinality="?" value="&#xD;"/>
+          <elements xsi:type="xtext:Keyword" value="&#xA;"/>
+        </elements>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:TerminalRule" name="WS">
+      <type metamodel="/1/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+      </type>
+      <alternatives xsi:type="xtext:Alternatives" cardinality="+">
+        <elements xsi:type="xtext:Keyword" value=" "/>
+        <elements xsi:type="xtext:Keyword" value="&#x9;"/>
+        <elements xsi:type="xtext:Keyword" value="&#xD;"/>
+        <elements xsi:type="xtext:Keyword" value="&#xA;"/>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:TerminalRule" name="ANY_OTHER">
+      <type metamodel="/1/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+      </type>
+      <alternatives xsi:type="xtext:Wildcard"/>
+    </rules>
+  </xtext:Grammar>
+</xmi:XMI>
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/StatemachineStandaloneSetupGenerated.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/StatemachineStandaloneSetupGenerated.java
new file mode 100644
index 0000000..276e922
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/StatemachineStandaloneSetupGenerated.java
@@ -0,0 +1,43 @@
+
+package org.eclipse.xtext.example.fowlerdsl;
+
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.xtext.ISetup;
+import org.eclipse.emf.ecore.resource.Resource;
+
+import com.google.inject.Guice;
+import com.google.inject.Injector;
+
+/**
+ * Generated from StandaloneSetup.xpt!
+ */
+@SuppressWarnings("all")
+public class StatemachineStandaloneSetupGenerated implements ISetup {
+
+	public Injector createInjectorAndDoEMFRegistration() {
+		org.eclipse.xtext.common.TerminalsStandaloneSetup.doSetup();
+
+		Injector injector = createInjector();
+		register(injector);
+		return injector;
+	}
+	
+	public Injector createInjector() {
+		return Guice.createInjector(new org.eclipse.xtext.example.fowlerdsl.StatemachineRuntimeModule());
+	}
+	
+	public void register(Injector injector) {
+	if (!EPackage.Registry.INSTANCE.containsKey("http://www.eclipse.org/xtext/example/fowlerdsl/Statemachine")) {
+		EPackage.Registry.INSTANCE.put("http://www.eclipse.org/xtext/example/fowlerdsl/Statemachine", org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage.eINSTANCE);
+	}
+
+		org.eclipse.xtext.resource.IResourceFactory resourceFactory = injector.getInstance(org.eclipse.xtext.resource.IResourceFactory.class);
+		org.eclipse.xtext.resource.IResourceServiceProvider serviceProvider = injector.getInstance(org.eclipse.xtext.resource.IResourceServiceProvider.class);
+		Resource.Factory.Registry.INSTANCE.getExtensionToFactoryMap().put("statemachine", resourceFactory);
+		org.eclipse.xtext.resource.IResourceServiceProvider.Registry.INSTANCE.getExtensionToFactoryMap().put("statemachine", serviceProvider);
+		
+
+
+
+	}
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/StatemachineAntlrTokenFileProvider.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/StatemachineAntlrTokenFileProvider.java
new file mode 100644
index 0000000..1e06a56
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/StatemachineAntlrTokenFileProvider.java
@@ -0,0 +1,15 @@
+/*
+* generated by Xtext
+*/
+package org.eclipse.xtext.example.fowlerdsl.parser.antlr;
+
+import java.io.InputStream;
+import org.eclipse.xtext.parser.antlr.IAntlrTokenFileProvider;
+
+public class StatemachineAntlrTokenFileProvider implements IAntlrTokenFileProvider {
+	
+	public InputStream getAntlrTokenFile() {
+		ClassLoader classLoader = getClass().getClassLoader();
+    	return classLoader.getResourceAsStream("org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.tokens");
+	}
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/StatemachineParser.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/StatemachineParser.java
new file mode 100644
index 0000000..c984c48
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/StatemachineParser.java
@@ -0,0 +1,39 @@
+/*
+* generated by Xtext
+*/
+package org.eclipse.xtext.example.fowlerdsl.parser.antlr;
+
+import com.google.inject.Inject;
+
+import org.eclipse.xtext.parser.antlr.XtextTokenStream;
+import org.eclipse.xtext.example.fowlerdsl.services.StatemachineGrammarAccess;
+
+public class StatemachineParser extends org.eclipse.xtext.parser.antlr.AbstractAntlrParser {
+	
+	@Inject
+	private StatemachineGrammarAccess grammarAccess;
+	
+	@Override
+	protected void setInitialHiddenTokens(XtextTokenStream tokenStream) {
+		tokenStream.setInitialHiddenTokens("RULE_WS", "RULE_ML_COMMENT", "RULE_SL_COMMENT");
+	}
+	
+	@Override
+	protected org.eclipse.xtext.example.fowlerdsl.parser.antlr.internal.InternalStatemachineParser createParser(XtextTokenStream stream) {
+		return new org.eclipse.xtext.example.fowlerdsl.parser.antlr.internal.InternalStatemachineParser(stream, getGrammarAccess());
+	}
+	
+	@Override 
+	protected String getDefaultRuleName() {
+		return "Statemachine";
+	}
+	
+	public StatemachineGrammarAccess getGrammarAccess() {
+		return this.grammarAccess;
+	}
+	
+	public void setGrammarAccess(StatemachineGrammarAccess grammarAccess) {
+		this.grammarAccess = grammarAccess;
+	}
+	
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g
new file mode 100644
index 0000000..81be6e5
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g
@@ -0,0 +1,453 @@
+/*
+* generated by Xtext
+*/
+grammar InternalStatemachine;
+
+options {
+	superClass=AbstractInternalAntlrParser;
+	
+}
+
+@lexer::header {
+package org.eclipse.xtext.example.fowlerdsl.parser.antlr.internal;
+
+// Hack: Use our own Lexer superclass by means of import. 
+// Currently there is no other way to specify the superclass for the lexer.
+import org.eclipse.xtext.parser.antlr.Lexer;
+}
+
+@parser::header {
+package org.eclipse.xtext.example.fowlerdsl.parser.antlr.internal; 
+
+import org.eclipse.xtext.*;
+import org.eclipse.xtext.parser.*;
+import org.eclipse.xtext.parser.impl.*;
+import org.eclipse.emf.ecore.util.EcoreUtil;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.parser.antlr.AbstractInternalAntlrParser;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream.HiddenTokens;
+import org.eclipse.xtext.parser.antlr.AntlrDatatypeRuleToken;
+import org.eclipse.xtext.example.fowlerdsl.services.StatemachineGrammarAccess;
+
+}
+
+@parser::members {
+
+ 	private StatemachineGrammarAccess grammarAccess;
+ 	
+    public InternalStatemachineParser(TokenStream input, StatemachineGrammarAccess grammarAccess) {
+        this(input);
+        this.grammarAccess = grammarAccess;
+        registerRules(grammarAccess.getGrammar());
+    }
+    
+    @Override
+    protected String getFirstRuleName() {
+    	return "Statemachine";	
+   	}
+   	
+   	@Override
+   	protected StatemachineGrammarAccess getGrammarAccess() {
+   		return grammarAccess;
+   	}
+}
+
+@rulecatch { 
+    catch (RecognitionException re) { 
+        recover(input,re); 
+        appendSkippedTokens();
+    } 
+}
+
+
+
+
+// Entry rule entryRuleStatemachine
+entryRuleStatemachine returns [EObject current=null] 
+	:
+	{ newCompositeNode(grammarAccess.getStatemachineRule()); }
+	 iv_ruleStatemachine=ruleStatemachine 
+	 { $current=$iv_ruleStatemachine.current; } 
+	 EOF 
+;
+
+// Rule Statemachine
+ruleStatemachine returns [EObject current=null] 
+    @init { enterRule(); 
+    }
+    @after { leaveRule(); }:
+((
+    {
+        $current = forceCreateModelElement(
+            grammarAccess.getStatemachineAccess().getStatemachineAction_0(),
+            $current);
+    }
+)(	otherlv_1='events' 
+    {
+    	newLeafNode(otherlv_1, grammarAccess.getStatemachineAccess().getEventsKeyword_1_0());
+    }
+(
+(
+		{ 
+	        newCompositeNode(grammarAccess.getStatemachineAccess().getEventsEventParserRuleCall_1_1_0()); 
+	    }
+		lv_events_2_0=ruleEvent		{
+	        if ($current==null) {
+	            $current = createModelElementForParent(grammarAccess.getStatemachineRule());
+	        }
+       		add(
+       			$current, 
+       			"events",
+        		lv_events_2_0, 
+        		"Event");
+	        afterParserOrEnumRuleCall();
+	    }
+
+)
+)+	otherlv_3='end' 
+    {
+    	newLeafNode(otherlv_3, grammarAccess.getStatemachineAccess().getEndKeyword_1_2());
+    }
+)?(	otherlv_4='resetEvents' 
+    {
+    	newLeafNode(otherlv_4, grammarAccess.getStatemachineAccess().getResetEventsKeyword_2_0());
+    }
+(
+(
+		{
+			if ($current==null) {
+	            $current = createModelElement(grammarAccess.getStatemachineRule());
+	        }
+        }
+	otherlv_5=RULE_ID
+	{
+		newLeafNode(otherlv_5, grammarAccess.getStatemachineAccess().getResetEventsEventCrossReference_2_1_0()); 
+	}
+
+)
+)+	otherlv_6='end' 
+    {
+    	newLeafNode(otherlv_6, grammarAccess.getStatemachineAccess().getEndKeyword_2_2());
+    }
+)?(	otherlv_7='commands' 
+    {
+    	newLeafNode(otherlv_7, grammarAccess.getStatemachineAccess().getCommandsKeyword_3_0());
+    }
+(
+(
+		{ 
+	        newCompositeNode(grammarAccess.getStatemachineAccess().getCommandsCommandParserRuleCall_3_1_0()); 
+	    }
+		lv_commands_8_0=ruleCommand		{
+	        if ($current==null) {
+	            $current = createModelElementForParent(grammarAccess.getStatemachineRule());
+	        }
+       		add(
+       			$current, 
+       			"commands",
+        		lv_commands_8_0, 
+        		"Command");
+	        afterParserOrEnumRuleCall();
+	    }
+
+)
+)+	otherlv_9='end' 
+    {
+    	newLeafNode(otherlv_9, grammarAccess.getStatemachineAccess().getEndKeyword_3_2());
+    }
+)?(
+(
+		{ 
+	        newCompositeNode(grammarAccess.getStatemachineAccess().getStatesStateParserRuleCall_4_0()); 
+	    }
+		lv_states_10_0=ruleState		{
+	        if ($current==null) {
+	            $current = createModelElementForParent(grammarAccess.getStatemachineRule());
+	        }
+       		add(
+       			$current, 
+       			"states",
+        		lv_states_10_0, 
+        		"State");
+	        afterParserOrEnumRuleCall();
+	    }
+
+)
+)*)
+;
+
+
+
+
+
+// Entry rule entryRuleEvent
+entryRuleEvent returns [EObject current=null] 
+	:
+	{ newCompositeNode(grammarAccess.getEventRule()); }
+	 iv_ruleEvent=ruleEvent 
+	 { $current=$iv_ruleEvent.current; } 
+	 EOF 
+;
+
+// Rule Event
+ruleEvent returns [EObject current=null] 
+    @init { enterRule(); 
+    }
+    @after { leaveRule(); }:
+((
+(
+		lv_name_0_0=RULE_ID
+		{
+			newLeafNode(lv_name_0_0, grammarAccess.getEventAccess().getNameIDTerminalRuleCall_0_0()); 
+		}
+		{
+	        if ($current==null) {
+	            $current = createModelElement(grammarAccess.getEventRule());
+	        }
+       		setWithLastConsumed(
+       			$current, 
+       			"name",
+        		lv_name_0_0, 
+        		"ID");
+	    }
+
+)
+)(
+(
+		lv_code_1_0=RULE_ID
+		{
+			newLeafNode(lv_code_1_0, grammarAccess.getEventAccess().getCodeIDTerminalRuleCall_1_0()); 
+		}
+		{
+	        if ($current==null) {
+	            $current = createModelElement(grammarAccess.getEventRule());
+	        }
+       		setWithLastConsumed(
+       			$current, 
+       			"code",
+        		lv_code_1_0, 
+        		"ID");
+	    }
+
+)
+))
+;
+
+
+
+
+
+// Entry rule entryRuleCommand
+entryRuleCommand returns [EObject current=null] 
+	:
+	{ newCompositeNode(grammarAccess.getCommandRule()); }
+	 iv_ruleCommand=ruleCommand 
+	 { $current=$iv_ruleCommand.current; } 
+	 EOF 
+;
+
+// Rule Command
+ruleCommand returns [EObject current=null] 
+    @init { enterRule(); 
+    }
+    @after { leaveRule(); }:
+((
+(
+		lv_name_0_0=RULE_ID
+		{
+			newLeafNode(lv_name_0_0, grammarAccess.getCommandAccess().getNameIDTerminalRuleCall_0_0()); 
+		}
+		{
+	        if ($current==null) {
+	            $current = createModelElement(grammarAccess.getCommandRule());
+	        }
+       		setWithLastConsumed(
+       			$current, 
+       			"name",
+        		lv_name_0_0, 
+        		"ID");
+	    }
+
+)
+)(
+(
+		lv_code_1_0=RULE_ID
+		{
+			newLeafNode(lv_code_1_0, grammarAccess.getCommandAccess().getCodeIDTerminalRuleCall_1_0()); 
+		}
+		{
+	        if ($current==null) {
+	            $current = createModelElement(grammarAccess.getCommandRule());
+	        }
+       		setWithLastConsumed(
+       			$current, 
+       			"code",
+        		lv_code_1_0, 
+        		"ID");
+	    }
+
+)
+))
+;
+
+
+
+
+
+// Entry rule entryRuleState
+entryRuleState returns [EObject current=null] 
+	:
+	{ newCompositeNode(grammarAccess.getStateRule()); }
+	 iv_ruleState=ruleState 
+	 { $current=$iv_ruleState.current; } 
+	 EOF 
+;
+
+// Rule State
+ruleState returns [EObject current=null] 
+    @init { enterRule(); 
+    }
+    @after { leaveRule(); }:
+(	otherlv_0='state' 
+    {
+    	newLeafNode(otherlv_0, grammarAccess.getStateAccess().getStateKeyword_0());
+    }
+(
+(
+		lv_name_1_0=RULE_ID
+		{
+			newLeafNode(lv_name_1_0, grammarAccess.getStateAccess().getNameIDTerminalRuleCall_1_0()); 
+		}
+		{
+	        if ($current==null) {
+	            $current = createModelElement(grammarAccess.getStateRule());
+	        }
+       		setWithLastConsumed(
+       			$current, 
+       			"name",
+        		lv_name_1_0, 
+        		"ID");
+	    }
+
+)
+)(	otherlv_2='actions' 
+    {
+    	newLeafNode(otherlv_2, grammarAccess.getStateAccess().getActionsKeyword_2_0());
+    }
+	otherlv_3='{' 
+    {
+    	newLeafNode(otherlv_3, grammarAccess.getStateAccess().getLeftCurlyBracketKeyword_2_1());
+    }
+(
+(
+		{
+			if ($current==null) {
+	            $current = createModelElement(grammarAccess.getStateRule());
+	        }
+        }
+	otherlv_4=RULE_ID
+	{
+		newLeafNode(otherlv_4, grammarAccess.getStateAccess().getActionsCommandCrossReference_2_2_0()); 
+	}
+
+)
+)+	otherlv_5='}' 
+    {
+    	newLeafNode(otherlv_5, grammarAccess.getStateAccess().getRightCurlyBracketKeyword_2_3());
+    }
+)?(
+(
+		{ 
+	        newCompositeNode(grammarAccess.getStateAccess().getTransitionsTransitionParserRuleCall_3_0()); 
+	    }
+		lv_transitions_6_0=ruleTransition		{
+	        if ($current==null) {
+	            $current = createModelElementForParent(grammarAccess.getStateRule());
+	        }
+       		add(
+       			$current, 
+       			"transitions",
+        		lv_transitions_6_0, 
+        		"Transition");
+	        afterParserOrEnumRuleCall();
+	    }
+
+)
+)*	otherlv_7='end' 
+    {
+    	newLeafNode(otherlv_7, grammarAccess.getStateAccess().getEndKeyword_4());
+    }
+)
+;
+
+
+
+
+
+// Entry rule entryRuleTransition
+entryRuleTransition returns [EObject current=null] 
+	:
+	{ newCompositeNode(grammarAccess.getTransitionRule()); }
+	 iv_ruleTransition=ruleTransition 
+	 { $current=$iv_ruleTransition.current; } 
+	 EOF 
+;
+
+// Rule Transition
+ruleTransition returns [EObject current=null] 
+    @init { enterRule(); 
+    }
+    @after { leaveRule(); }:
+((
+(
+		{
+			if ($current==null) {
+	            $current = createModelElement(grammarAccess.getTransitionRule());
+	        }
+        }
+	otherlv_0=RULE_ID
+	{
+		newLeafNode(otherlv_0, grammarAccess.getTransitionAccess().getEventEventCrossReference_0_0()); 
+	}
+
+)
+)	otherlv_1='=>' 
+    {
+    	newLeafNode(otherlv_1, grammarAccess.getTransitionAccess().getEqualsSignGreaterThanSignKeyword_1());
+    }
+(
+(
+		{
+			if ($current==null) {
+	            $current = createModelElement(grammarAccess.getTransitionRule());
+	        }
+        }
+	otherlv_2=RULE_ID
+	{
+		newLeafNode(otherlv_2, grammarAccess.getTransitionAccess().getStateStateCrossReference_2_0()); 
+	}
+
+)
+))
+;
+
+
+
+
+
+RULE_ID : '^'? ('a'..'z'|'A'..'Z'|'_') ('a'..'z'|'A'..'Z'|'_'|'0'..'9')*;
+
+RULE_INT : ('0'..'9')+;
+
+RULE_STRING : ('"' ('\\' ('b'|'t'|'n'|'f'|'r'|'u'|'"'|'\''|'\\')|~(('\\'|'"')))* '"'|'\'' ('\\' ('b'|'t'|'n'|'f'|'r'|'u'|'"'|'\''|'\\')|~(('\\'|'\'')))* '\'');
+
+RULE_ML_COMMENT : '/*' ( options {greedy=false;} : . )*'*/';
+
+RULE_SL_COMMENT : '//' ~(('\n'|'\r'))* ('\r'? '\n')?;
+
+RULE_WS : (' '|'\t'|'\r'|'\n')+;
+
+RULE_ANY_OTHER : .;
+
+
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.tokens b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.tokens
new file mode 100644
index 0000000..c40aca9
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.tokens
@@ -0,0 +1,25 @@
+RULE_ID=4
+RULE_ANY_OTHER=10
+RULE_SL_COMMENT=8
+RULE_ML_COMMENT=7
+T__19=19
+RULE_STRING=6
+T__16=16
+T__15=15
+T__18=18
+T__17=17
+T__12=12
+T__11=11
+T__14=14
+T__13=13
+RULE_INT=5
+RULE_WS=9
+'state'=15
+'end'=12
+'}'=18
+'actions'=16
+'commands'=14
+'=>'=19
+'events'=11
+'{'=17
+'resetEvents'=13
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachineLexer.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachineLexer.java
new file mode 100644
index 0000000..b7d2d6d
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachineLexer.java
@@ -0,0 +1,1072 @@
+package org.eclipse.xtext.example.fowlerdsl.parser.antlr.internal;
+
+// Hack: Use our own Lexer superclass by means of import. 
+// Currently there is no other way to specify the superclass for the lexer.
+import org.eclipse.xtext.parser.antlr.Lexer;
+
+
+import org.antlr.runtime.*;
+import java.util.Stack;
+import java.util.List;
+import java.util.ArrayList;
+
+@SuppressWarnings("all")
+public class InternalStatemachineLexer extends Lexer {
+    public static final int RULE_ID=4;
+    public static final int RULE_ANY_OTHER=10;
+    public static final int RULE_SL_COMMENT=8;
+    public static final int EOF=-1;
+    public static final int RULE_ML_COMMENT=7;
+    public static final int T__19=19;
+    public static final int RULE_STRING=6;
+    public static final int T__16=16;
+    public static final int T__15=15;
+    public static final int T__18=18;
+    public static final int T__17=17;
+    public static final int T__12=12;
+    public static final int T__11=11;
+    public static final int T__14=14;
+    public static final int T__13=13;
+    public static final int RULE_INT=5;
+    public static final int RULE_WS=9;
+
+    // delegates
+    // delegators
+
+    public InternalStatemachineLexer() {;} 
+    public InternalStatemachineLexer(CharStream input) {
+        this(input, new RecognizerSharedState());
+    }
+    public InternalStatemachineLexer(CharStream input, RecognizerSharedState state) {
+        super(input,state);
+
+    }
+    public String getGrammarFileName() { return "../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g"; }
+
+    // $ANTLR start "T__11"
+    public final void mT__11() throws RecognitionException {
+        try {
+            int _type = T__11;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:11:7: ( 'events' )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:11:9: 'events'
+            {
+            match("events"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__11"
+
+    // $ANTLR start "T__12"
+    public final void mT__12() throws RecognitionException {
+        try {
+            int _type = T__12;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:12:7: ( 'end' )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:12:9: 'end'
+            {
+            match("end"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__12"
+
+    // $ANTLR start "T__13"
+    public final void mT__13() throws RecognitionException {
+        try {
+            int _type = T__13;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:13:7: ( 'resetEvents' )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:13:9: 'resetEvents'
+            {
+            match("resetEvents"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__13"
+
+    // $ANTLR start "T__14"
+    public final void mT__14() throws RecognitionException {
+        try {
+            int _type = T__14;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:14:7: ( 'commands' )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:14:9: 'commands'
+            {
+            match("commands"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__14"
+
+    // $ANTLR start "T__15"
+    public final void mT__15() throws RecognitionException {
+        try {
+            int _type = T__15;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:15:7: ( 'state' )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:15:9: 'state'
+            {
+            match("state"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__15"
+
+    // $ANTLR start "T__16"
+    public final void mT__16() throws RecognitionException {
+        try {
+            int _type = T__16;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:16:7: ( 'actions' )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:16:9: 'actions'
+            {
+            match("actions"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__16"
+
+    // $ANTLR start "T__17"
+    public final void mT__17() throws RecognitionException {
+        try {
+            int _type = T__17;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:17:7: ( '{' )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:17:9: '{'
+            {
+            match('{'); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__17"
+
+    // $ANTLR start "T__18"
+    public final void mT__18() throws RecognitionException {
+        try {
+            int _type = T__18;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:18:7: ( '}' )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:18:9: '}'
+            {
+            match('}'); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__18"
+
+    // $ANTLR start "T__19"
+    public final void mT__19() throws RecognitionException {
+        try {
+            int _type = T__19;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:19:7: ( '=>' )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:19:9: '=>'
+            {
+            match("=>"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__19"
+
+    // $ANTLR start "RULE_ID"
+    public final void mRULE_ID() throws RecognitionException {
+        try {
+            int _type = RULE_ID;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:439:9: ( ( '^' )? ( 'a' .. 'z' | 'A' .. 'Z' | '_' ) ( 'a' .. 'z' | 'A' .. 'Z' | '_' | '0' .. '9' )* )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:439:11: ( '^' )? ( 'a' .. 'z' | 'A' .. 'Z' | '_' ) ( 'a' .. 'z' | 'A' .. 'Z' | '_' | '0' .. '9' )*
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:439:11: ( '^' )?
+            int alt1=2;
+            int LA1_0 = input.LA(1);
+
+            if ( (LA1_0=='^') ) {
+                alt1=1;
+            }
+            switch (alt1) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:439:11: '^'
+                    {
+                    match('^'); 
+
+                    }
+                    break;
+
+            }
+
+            if ( (input.LA(1)>='A' && input.LA(1)<='Z')||input.LA(1)=='_'||(input.LA(1)>='a' && input.LA(1)<='z') ) {
+                input.consume();
+
+            }
+            else {
+                MismatchedSetException mse = new MismatchedSetException(null,input);
+                recover(mse);
+                throw mse;}
+
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:439:40: ( 'a' .. 'z' | 'A' .. 'Z' | '_' | '0' .. '9' )*
+            loop2:
+            do {
+                int alt2=2;
+                int LA2_0 = input.LA(1);
+
+                if ( ((LA2_0>='0' && LA2_0<='9')||(LA2_0>='A' && LA2_0<='Z')||LA2_0=='_'||(LA2_0>='a' && LA2_0<='z')) ) {
+                    alt2=1;
+                }
+
+
+                switch (alt2) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:
+            	    {
+            	    if ( (input.LA(1)>='0' && input.LA(1)<='9')||(input.LA(1)>='A' && input.LA(1)<='Z')||input.LA(1)=='_'||(input.LA(1)>='a' && input.LA(1)<='z') ) {
+            	        input.consume();
+
+            	    }
+            	    else {
+            	        MismatchedSetException mse = new MismatchedSetException(null,input);
+            	        recover(mse);
+            	        throw mse;}
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop2;
+                }
+            } while (true);
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_ID"
+
+    // $ANTLR start "RULE_INT"
+    public final void mRULE_INT() throws RecognitionException {
+        try {
+            int _type = RULE_INT;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:441:10: ( ( '0' .. '9' )+ )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:441:12: ( '0' .. '9' )+
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:441:12: ( '0' .. '9' )+
+            int cnt3=0;
+            loop3:
+            do {
+                int alt3=2;
+                int LA3_0 = input.LA(1);
+
+                if ( ((LA3_0>='0' && LA3_0<='9')) ) {
+                    alt3=1;
+                }
+
+
+                switch (alt3) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:441:13: '0' .. '9'
+            	    {
+            	    matchRange('0','9'); 
+
+            	    }
+            	    break;
+
+            	default :
+            	    if ( cnt3 >= 1 ) break loop3;
+                        EarlyExitException eee =
+                            new EarlyExitException(3, input);
+                        throw eee;
+                }
+                cnt3++;
+            } while (true);
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_INT"
+
+    // $ANTLR start "RULE_STRING"
+    public final void mRULE_STRING() throws RecognitionException {
+        try {
+            int _type = RULE_STRING;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:443:13: ( ( '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"' | '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\'' ) )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:443:15: ( '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"' | '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\'' )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:443:15: ( '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"' | '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\'' )
+            int alt6=2;
+            int LA6_0 = input.LA(1);
+
+            if ( (LA6_0=='\"') ) {
+                alt6=1;
+            }
+            else if ( (LA6_0=='\'') ) {
+                alt6=2;
+            }
+            else {
+                NoViableAltException nvae =
+                    new NoViableAltException("", 6, 0, input);
+
+                throw nvae;
+            }
+            switch (alt6) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:443:16: '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"'
+                    {
+                    match('\"'); 
+                    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:443:20: ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )*
+                    loop4:
+                    do {
+                        int alt4=3;
+                        int LA4_0 = input.LA(1);
+
+                        if ( (LA4_0=='\\') ) {
+                            alt4=1;
+                        }
+                        else if ( ((LA4_0>='\u0000' && LA4_0<='!')||(LA4_0>='#' && LA4_0<='[')||(LA4_0>=']' && LA4_0<='\uFFFF')) ) {
+                            alt4=2;
+                        }
+
+
+                        switch (alt4) {
+                    	case 1 :
+                    	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:443:21: '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' )
+                    	    {
+                    	    match('\\'); 
+                    	    if ( input.LA(1)=='\"'||input.LA(1)=='\''||input.LA(1)=='\\'||input.LA(1)=='b'||input.LA(1)=='f'||input.LA(1)=='n'||input.LA(1)=='r'||(input.LA(1)>='t' && input.LA(1)<='u') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+                    	case 2 :
+                    	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:443:66: ~ ( ( '\\\\' | '\"' ) )
+                    	    {
+                    	    if ( (input.LA(1)>='\u0000' && input.LA(1)<='!')||(input.LA(1)>='#' && input.LA(1)<='[')||(input.LA(1)>=']' && input.LA(1)<='\uFFFF') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+
+                    	default :
+                    	    break loop4;
+                        }
+                    } while (true);
+
+                    match('\"'); 
+
+                    }
+                    break;
+                case 2 :
+                    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:443:86: '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\''
+                    {
+                    match('\''); 
+                    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:443:91: ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )*
+                    loop5:
+                    do {
+                        int alt5=3;
+                        int LA5_0 = input.LA(1);
+
+                        if ( (LA5_0=='\\') ) {
+                            alt5=1;
+                        }
+                        else if ( ((LA5_0>='\u0000' && LA5_0<='&')||(LA5_0>='(' && LA5_0<='[')||(LA5_0>=']' && LA5_0<='\uFFFF')) ) {
+                            alt5=2;
+                        }
+
+
+                        switch (alt5) {
+                    	case 1 :
+                    	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:443:92: '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' )
+                    	    {
+                    	    match('\\'); 
+                    	    if ( input.LA(1)=='\"'||input.LA(1)=='\''||input.LA(1)=='\\'||input.LA(1)=='b'||input.LA(1)=='f'||input.LA(1)=='n'||input.LA(1)=='r'||(input.LA(1)>='t' && input.LA(1)<='u') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+                    	case 2 :
+                    	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:443:137: ~ ( ( '\\\\' | '\\'' ) )
+                    	    {
+                    	    if ( (input.LA(1)>='\u0000' && input.LA(1)<='&')||(input.LA(1)>='(' && input.LA(1)<='[')||(input.LA(1)>=']' && input.LA(1)<='\uFFFF') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+
+                    	default :
+                    	    break loop5;
+                        }
+                    } while (true);
+
+                    match('\''); 
+
+                    }
+                    break;
+
+            }
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_STRING"
+
+    // $ANTLR start "RULE_ML_COMMENT"
+    public final void mRULE_ML_COMMENT() throws RecognitionException {
+        try {
+            int _type = RULE_ML_COMMENT;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:445:17: ( '/*' ( options {greedy=false; } : . )* '*/' )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:445:19: '/*' ( options {greedy=false; } : . )* '*/'
+            {
+            match("/*"); 
+
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:445:24: ( options {greedy=false; } : . )*
+            loop7:
+            do {
+                int alt7=2;
+                int LA7_0 = input.LA(1);
+
+                if ( (LA7_0=='*') ) {
+                    int LA7_1 = input.LA(2);
+
+                    if ( (LA7_1=='/') ) {
+                        alt7=2;
+                    }
+                    else if ( ((LA7_1>='\u0000' && LA7_1<='.')||(LA7_1>='0' && LA7_1<='\uFFFF')) ) {
+                        alt7=1;
+                    }
+
+
+                }
+                else if ( ((LA7_0>='\u0000' && LA7_0<=')')||(LA7_0>='+' && LA7_0<='\uFFFF')) ) {
+                    alt7=1;
+                }
+
+
+                switch (alt7) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:445:52: .
+            	    {
+            	    matchAny(); 
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop7;
+                }
+            } while (true);
+
+            match("*/"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_ML_COMMENT"
+
+    // $ANTLR start "RULE_SL_COMMENT"
+    public final void mRULE_SL_COMMENT() throws RecognitionException {
+        try {
+            int _type = RULE_SL_COMMENT;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:447:17: ( '//' (~ ( ( '\\n' | '\\r' ) ) )* ( ( '\\r' )? '\\n' )? )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:447:19: '//' (~ ( ( '\\n' | '\\r' ) ) )* ( ( '\\r' )? '\\n' )?
+            {
+            match("//"); 
+
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:447:24: (~ ( ( '\\n' | '\\r' ) ) )*
+            loop8:
+            do {
+                int alt8=2;
+                int LA8_0 = input.LA(1);
+
+                if ( ((LA8_0>='\u0000' && LA8_0<='\t')||(LA8_0>='\u000B' && LA8_0<='\f')||(LA8_0>='\u000E' && LA8_0<='\uFFFF')) ) {
+                    alt8=1;
+                }
+
+
+                switch (alt8) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:447:24: ~ ( ( '\\n' | '\\r' ) )
+            	    {
+            	    if ( (input.LA(1)>='\u0000' && input.LA(1)<='\t')||(input.LA(1)>='\u000B' && input.LA(1)<='\f')||(input.LA(1)>='\u000E' && input.LA(1)<='\uFFFF') ) {
+            	        input.consume();
+
+            	    }
+            	    else {
+            	        MismatchedSetException mse = new MismatchedSetException(null,input);
+            	        recover(mse);
+            	        throw mse;}
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop8;
+                }
+            } while (true);
+
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:447:40: ( ( '\\r' )? '\\n' )?
+            int alt10=2;
+            int LA10_0 = input.LA(1);
+
+            if ( (LA10_0=='\n'||LA10_0=='\r') ) {
+                alt10=1;
+            }
+            switch (alt10) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:447:41: ( '\\r' )? '\\n'
+                    {
+                    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:447:41: ( '\\r' )?
+                    int alt9=2;
+                    int LA9_0 = input.LA(1);
+
+                    if ( (LA9_0=='\r') ) {
+                        alt9=1;
+                    }
+                    switch (alt9) {
+                        case 1 :
+                            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:447:41: '\\r'
+                            {
+                            match('\r'); 
+
+                            }
+                            break;
+
+                    }
+
+                    match('\n'); 
+
+                    }
+                    break;
+
+            }
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_SL_COMMENT"
+
+    // $ANTLR start "RULE_WS"
+    public final void mRULE_WS() throws RecognitionException {
+        try {
+            int _type = RULE_WS;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:449:9: ( ( ' ' | '\\t' | '\\r' | '\\n' )+ )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:449:11: ( ' ' | '\\t' | '\\r' | '\\n' )+
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:449:11: ( ' ' | '\\t' | '\\r' | '\\n' )+
+            int cnt11=0;
+            loop11:
+            do {
+                int alt11=2;
+                int LA11_0 = input.LA(1);
+
+                if ( ((LA11_0>='\t' && LA11_0<='\n')||LA11_0=='\r'||LA11_0==' ') ) {
+                    alt11=1;
+                }
+
+
+                switch (alt11) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:
+            	    {
+            	    if ( (input.LA(1)>='\t' && input.LA(1)<='\n')||input.LA(1)=='\r'||input.LA(1)==' ' ) {
+            	        input.consume();
+
+            	    }
+            	    else {
+            	        MismatchedSetException mse = new MismatchedSetException(null,input);
+            	        recover(mse);
+            	        throw mse;}
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    if ( cnt11 >= 1 ) break loop11;
+                        EarlyExitException eee =
+                            new EarlyExitException(11, input);
+                        throw eee;
+                }
+                cnt11++;
+            } while (true);
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_WS"
+
+    // $ANTLR start "RULE_ANY_OTHER"
+    public final void mRULE_ANY_OTHER() throws RecognitionException {
+        try {
+            int _type = RULE_ANY_OTHER;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:451:16: ( . )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:451:18: .
+            {
+            matchAny(); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_ANY_OTHER"
+
+    public void mTokens() throws RecognitionException {
+        // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:1:8: ( T__11 | T__12 | T__13 | T__14 | T__15 | T__16 | T__17 | T__18 | T__19 | RULE_ID | RULE_INT | RULE_STRING | RULE_ML_COMMENT | RULE_SL_COMMENT | RULE_WS | RULE_ANY_OTHER )
+        int alt12=16;
+        alt12 = dfa12.predict(input);
+        switch (alt12) {
+            case 1 :
+                // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:1:10: T__11
+                {
+                mT__11(); 
+
+                }
+                break;
+            case 2 :
+                // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:1:16: T__12
+                {
+                mT__12(); 
+
+                }
+                break;
+            case 3 :
+                // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:1:22: T__13
+                {
+                mT__13(); 
+
+                }
+                break;
+            case 4 :
+                // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:1:28: T__14
+                {
+                mT__14(); 
+
+                }
+                break;
+            case 5 :
+                // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:1:34: T__15
+                {
+                mT__15(); 
+
+                }
+                break;
+            case 6 :
+                // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:1:40: T__16
+                {
+                mT__16(); 
+
+                }
+                break;
+            case 7 :
+                // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:1:46: T__17
+                {
+                mT__17(); 
+
+                }
+                break;
+            case 8 :
+                // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:1:52: T__18
+                {
+                mT__18(); 
+
+                }
+                break;
+            case 9 :
+                // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:1:58: T__19
+                {
+                mT__19(); 
+
+                }
+                break;
+            case 10 :
+                // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:1:64: RULE_ID
+                {
+                mRULE_ID(); 
+
+                }
+                break;
+            case 11 :
+                // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:1:72: RULE_INT
+                {
+                mRULE_INT(); 
+
+                }
+                break;
+            case 12 :
+                // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:1:81: RULE_STRING
+                {
+                mRULE_STRING(); 
+
+                }
+                break;
+            case 13 :
+                // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:1:93: RULE_ML_COMMENT
+                {
+                mRULE_ML_COMMENT(); 
+
+                }
+                break;
+            case 14 :
+                // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:1:109: RULE_SL_COMMENT
+                {
+                mRULE_SL_COMMENT(); 
+
+                }
+                break;
+            case 15 :
+                // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:1:125: RULE_WS
+                {
+                mRULE_WS(); 
+
+                }
+                break;
+            case 16 :
+                // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:1:133: RULE_ANY_OTHER
+                {
+                mRULE_ANY_OTHER(); 
+
+                }
+                break;
+
+        }
+
+    }
+
+
+    protected DFA12 dfa12 = new DFA12(this);
+    static final String DFA12_eotS =
+        "\1\uffff\5\23\2\uffff\2\20\2\uffff\3\20\2\uffff\2\23\1\uffff\4\23"+
+        "\10\uffff\1\23\1\47\5\23\1\uffff\7\23\1\64\1\23\1\66\2\23\1\uffff"+
+        "\1\23\1\uffff\2\23\1\74\1\23\1\76\1\uffff\1\23\1\uffff\1\23\1\101"+
+        "\1\uffff";
+    static final String DFA12_eofS =
+        "\102\uffff";
+    static final String DFA12_minS =
+        "\1\0\1\156\1\145\1\157\1\164\1\143\2\uffff\1\76\1\101\2\uffff\2"+
+        "\0\1\52\2\uffff\1\145\1\144\1\uffff\1\163\1\155\1\141\1\164\10\uffff"+
+        "\1\156\1\60\1\145\1\155\1\164\1\151\1\164\1\uffff\1\164\1\141\1"+
+        "\145\1\157\1\163\1\105\1\156\1\60\1\156\1\60\1\166\1\144\1\uffff"+
+        "\1\163\1\uffff\1\145\1\163\1\60\1\156\1\60\1\uffff\1\164\1\uffff"+
+        "\1\163\1\60\1\uffff";
+    static final String DFA12_maxS =
+        "\1\uffff\1\166\1\145\1\157\1\164\1\143\2\uffff\1\76\1\172\2\uffff"+
+        "\2\uffff\1\57\2\uffff\1\145\1\144\1\uffff\1\163\1\155\1\141\1\164"+
+        "\10\uffff\1\156\1\172\1\145\1\155\1\164\1\151\1\164\1\uffff\1\164"+
+        "\1\141\1\145\1\157\1\163\1\105\1\156\1\172\1\156\1\172\1\166\1\144"+
+        "\1\uffff\1\163\1\uffff\1\145\1\163\1\172\1\156\1\172\1\uffff\1\164"+
+        "\1\uffff\1\163\1\172\1\uffff";
+    static final String DFA12_acceptS =
+        "\6\uffff\1\7\1\10\2\uffff\1\12\1\13\3\uffff\1\17\1\20\2\uffff\1"+
+        "\12\4\uffff\1\7\1\10\1\11\1\13\1\14\1\15\1\16\1\17\7\uffff\1\2\14"+
+        "\uffff\1\5\1\uffff\1\1\5\uffff\1\6\1\uffff\1\4\2\uffff\1\3";
+    static final String DFA12_specialS =
+        "\1\1\13\uffff\1\2\1\0\64\uffff}>";
+    static final String[] DFA12_transitionS = {
+            "\11\20\2\17\2\20\1\17\22\20\1\17\1\20\1\14\4\20\1\15\7\20\1"+
+            "\16\12\13\3\20\1\10\3\20\32\12\3\20\1\11\1\12\1\20\1\5\1\12"+
+            "\1\3\1\12\1\1\14\12\1\2\1\4\7\12\1\6\1\20\1\7\uff82\20",
+            "\1\22\7\uffff\1\21",
+            "\1\24",
+            "\1\25",
+            "\1\26",
+            "\1\27",
+            "",
+            "",
+            "\1\32",
+            "\32\23\4\uffff\1\23\1\uffff\32\23",
+            "",
+            "",
+            "\0\34",
+            "\0\34",
+            "\1\35\4\uffff\1\36",
+            "",
+            "",
+            "\1\40",
+            "\1\41",
+            "",
+            "\1\42",
+            "\1\43",
+            "\1\44",
+            "\1\45",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "\1\46",
+            "\12\23\7\uffff\32\23\4\uffff\1\23\1\uffff\32\23",
+            "\1\50",
+            "\1\51",
+            "\1\52",
+            "\1\53",
+            "\1\54",
+            "",
+            "\1\55",
+            "\1\56",
+            "\1\57",
+            "\1\60",
+            "\1\61",
+            "\1\62",
+            "\1\63",
+            "\12\23\7\uffff\32\23\4\uffff\1\23\1\uffff\32\23",
+            "\1\65",
+            "\12\23\7\uffff\32\23\4\uffff\1\23\1\uffff\32\23",
+            "\1\67",
+            "\1\70",
+            "",
+            "\1\71",
+            "",
+            "\1\72",
+            "\1\73",
+            "\12\23\7\uffff\32\23\4\uffff\1\23\1\uffff\32\23",
+            "\1\75",
+            "\12\23\7\uffff\32\23\4\uffff\1\23\1\uffff\32\23",
+            "",
+            "\1\77",
+            "",
+            "\1\100",
+            "\12\23\7\uffff\32\23\4\uffff\1\23\1\uffff\32\23",
+            ""
+    };
+
+    static final short[] DFA12_eot = DFA.unpackEncodedString(DFA12_eotS);
+    static final short[] DFA12_eof = DFA.unpackEncodedString(DFA12_eofS);
+    static final char[] DFA12_min = DFA.unpackEncodedStringToUnsignedChars(DFA12_minS);
+    static final char[] DFA12_max = DFA.unpackEncodedStringToUnsignedChars(DFA12_maxS);
+    static final short[] DFA12_accept = DFA.unpackEncodedString(DFA12_acceptS);
+    static final short[] DFA12_special = DFA.unpackEncodedString(DFA12_specialS);
+    static final short[][] DFA12_transition;
+
+    static {
+        int numStates = DFA12_transitionS.length;
+        DFA12_transition = new short[numStates][];
+        for (int i=0; i<numStates; i++) {
+            DFA12_transition[i] = DFA.unpackEncodedString(DFA12_transitionS[i]);
+        }
+    }
+
+    class DFA12 extends DFA {
+
+        public DFA12(BaseRecognizer recognizer) {
+            this.recognizer = recognizer;
+            this.decisionNumber = 12;
+            this.eot = DFA12_eot;
+            this.eof = DFA12_eof;
+            this.min = DFA12_min;
+            this.max = DFA12_max;
+            this.accept = DFA12_accept;
+            this.special = DFA12_special;
+            this.transition = DFA12_transition;
+        }
+        public String getDescription() {
+            return "1:1: Tokens : ( T__11 | T__12 | T__13 | T__14 | T__15 | T__16 | T__17 | T__18 | T__19 | RULE_ID | RULE_INT | RULE_STRING | RULE_ML_COMMENT | RULE_SL_COMMENT | RULE_WS | RULE_ANY_OTHER );";
+        }
+        public int specialStateTransition(int s, IntStream _input) throws NoViableAltException {
+            IntStream input = _input;
+        	int _s = s;
+            switch ( s ) {
+                    case 0 : 
+                        int LA12_13 = input.LA(1);
+
+                        s = -1;
+                        if ( ((LA12_13>='\u0000' && LA12_13<='\uFFFF')) ) {s = 28;}
+
+                        else s = 16;
+
+                        if ( s>=0 ) return s;
+                        break;
+                    case 1 : 
+                        int LA12_0 = input.LA(1);
+
+                        s = -1;
+                        if ( (LA12_0=='e') ) {s = 1;}
+
+                        else if ( (LA12_0=='r') ) {s = 2;}
+
+                        else if ( (LA12_0=='c') ) {s = 3;}
+
+                        else if ( (LA12_0=='s') ) {s = 4;}
+
+                        else if ( (LA12_0=='a') ) {s = 5;}
+
+                        else if ( (LA12_0=='{') ) {s = 6;}
+
+                        else if ( (LA12_0=='}') ) {s = 7;}
+
+                        else if ( (LA12_0=='=') ) {s = 8;}
+
+                        else if ( (LA12_0=='^') ) {s = 9;}
+
+                        else if ( ((LA12_0>='A' && LA12_0<='Z')||LA12_0=='_'||LA12_0=='b'||LA12_0=='d'||(LA12_0>='f' && LA12_0<='q')||(LA12_0>='t' && LA12_0<='z')) ) {s = 10;}
+
+                        else if ( ((LA12_0>='0' && LA12_0<='9')) ) {s = 11;}
+
+                        else if ( (LA12_0=='\"') ) {s = 12;}
+
+                        else if ( (LA12_0=='\'') ) {s = 13;}
+
+                        else if ( (LA12_0=='/') ) {s = 14;}
+
+                        else if ( ((LA12_0>='\t' && LA12_0<='\n')||LA12_0=='\r'||LA12_0==' ') ) {s = 15;}
+
+                        else if ( ((LA12_0>='\u0000' && LA12_0<='\b')||(LA12_0>='\u000B' && LA12_0<='\f')||(LA12_0>='\u000E' && LA12_0<='\u001F')||LA12_0=='!'||(LA12_0>='#' && LA12_0<='&')||(LA12_0>='(' && LA12_0<='.')||(LA12_0>=':' && LA12_0<='<')||(LA12_0>='>' && LA12_0<='@')||(LA12_0>='[' && LA12_0<=']')||LA12_0=='`'||LA12_0=='|'||(LA12_0>='~' && LA12_0<='\uFFFF')) ) {s = 16;}
+
+                        if ( s>=0 ) return s;
+                        break;
+                    case 2 : 
+                        int LA12_12 = input.LA(1);
+
+                        s = -1;
+                        if ( ((LA12_12>='\u0000' && LA12_12<='\uFFFF')) ) {s = 28;}
+
+                        else s = 16;
+
+                        if ( s>=0 ) return s;
+                        break;
+            }
+            NoViableAltException nvae =
+                new NoViableAltException(getDescription(), 12, _s, input);
+            error(nvae);
+            throw nvae;
+        }
+    }
+ 
+
+}
\ No newline at end of file
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachineParser.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachineParser.java
new file mode 100644
index 0000000..c05b338
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachineParser.java
@@ -0,0 +1,1099 @@
+package org.eclipse.xtext.example.fowlerdsl.parser.antlr.internal; 
+
+import org.eclipse.xtext.*;
+import org.eclipse.xtext.parser.*;
+import org.eclipse.xtext.parser.impl.*;
+import org.eclipse.emf.ecore.util.EcoreUtil;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.parser.antlr.AbstractInternalAntlrParser;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream.HiddenTokens;
+import org.eclipse.xtext.parser.antlr.AntlrDatatypeRuleToken;
+import org.eclipse.xtext.example.fowlerdsl.services.StatemachineGrammarAccess;
+
+
+
+import org.antlr.runtime.*;
+import java.util.Stack;
+import java.util.List;
+import java.util.ArrayList;
+
+@SuppressWarnings("all")
+public class InternalStatemachineParser extends AbstractInternalAntlrParser {
+    public static final String[] tokenNames = new String[] {
+        "<invalid>", "<EOR>", "<DOWN>", "<UP>", "RULE_ID", "RULE_INT", "RULE_STRING", "RULE_ML_COMMENT", "RULE_SL_COMMENT", "RULE_WS", "RULE_ANY_OTHER", "'events'", "'end'", "'resetEvents'", "'commands'", "'state'", "'actions'", "'{'", "'}'", "'=>'"
+    };
+    public static final int RULE_ID=4;
+    public static final int RULE_ANY_OTHER=10;
+    public static final int EOF=-1;
+    public static final int RULE_SL_COMMENT=8;
+    public static final int RULE_ML_COMMENT=7;
+    public static final int T__19=19;
+    public static final int RULE_STRING=6;
+    public static final int T__16=16;
+    public static final int T__15=15;
+    public static final int T__18=18;
+    public static final int T__17=17;
+    public static final int T__12=12;
+    public static final int T__11=11;
+    public static final int T__14=14;
+    public static final int T__13=13;
+    public static final int RULE_INT=5;
+    public static final int RULE_WS=9;
+
+    // delegates
+    // delegators
+
+
+        public InternalStatemachineParser(TokenStream input) {
+            this(input, new RecognizerSharedState());
+        }
+        public InternalStatemachineParser(TokenStream input, RecognizerSharedState state) {
+            super(input, state);
+             
+        }
+        
+
+    public String[] getTokenNames() { return InternalStatemachineParser.tokenNames; }
+    public String getGrammarFileName() { return "../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g"; }
+
+
+
+     	private StatemachineGrammarAccess grammarAccess;
+     	
+        public InternalStatemachineParser(TokenStream input, StatemachineGrammarAccess grammarAccess) {
+            this(input);
+            this.grammarAccess = grammarAccess;
+            registerRules(grammarAccess.getGrammar());
+        }
+        
+        @Override
+        protected String getFirstRuleName() {
+        	return "Statemachine";	
+       	}
+       	
+       	@Override
+       	protected StatemachineGrammarAccess getGrammarAccess() {
+       		return grammarAccess;
+       	}
+
+
+
+    // $ANTLR start "entryRuleStatemachine"
+    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:67:1: entryRuleStatemachine returns [EObject current=null] : iv_ruleStatemachine= ruleStatemachine EOF ;
+    public final EObject entryRuleStatemachine() throws RecognitionException {
+        EObject current = null;
+
+        EObject iv_ruleStatemachine = null;
+
+
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:68:2: (iv_ruleStatemachine= ruleStatemachine EOF )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:69:2: iv_ruleStatemachine= ruleStatemachine EOF
+            {
+             newCompositeNode(grammarAccess.getStatemachineRule()); 
+            pushFollow(FOLLOW_ruleStatemachine_in_entryRuleStatemachine75);
+            iv_ruleStatemachine=ruleStatemachine();
+
+            state._fsp--;
+
+             current =iv_ruleStatemachine; 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleStatemachine85); 
+
+            }
+
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "entryRuleStatemachine"
+
+
+    // $ANTLR start "ruleStatemachine"
+    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:76:1: ruleStatemachine returns [EObject current=null] : ( () (otherlv_1= 'events' ( (lv_events_2_0= ruleEvent ) )+ otherlv_3= 'end' )? (otherlv_4= 'resetEvents' ( (otherlv_5= RULE_ID ) )+ otherlv_6= 'end' )? (otherlv_7= 'commands' ( (lv_commands_8_0= ruleCommand ) )+ otherlv_9= 'end' )? ( (lv_states_10_0= ruleState ) )* ) ;
+    public final EObject ruleStatemachine() throws RecognitionException {
+        EObject current = null;
+
+        Token otherlv_1=null;
+        Token otherlv_3=null;
+        Token otherlv_4=null;
+        Token otherlv_5=null;
+        Token otherlv_6=null;
+        Token otherlv_7=null;
+        Token otherlv_9=null;
+        EObject lv_events_2_0 = null;
+
+        EObject lv_commands_8_0 = null;
+
+        EObject lv_states_10_0 = null;
+
+
+         enterRule(); 
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:79:28: ( ( () (otherlv_1= 'events' ( (lv_events_2_0= ruleEvent ) )+ otherlv_3= 'end' )? (otherlv_4= 'resetEvents' ( (otherlv_5= RULE_ID ) )+ otherlv_6= 'end' )? (otherlv_7= 'commands' ( (lv_commands_8_0= ruleCommand ) )+ otherlv_9= 'end' )? ( (lv_states_10_0= ruleState ) )* ) )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:80:1: ( () (otherlv_1= 'events' ( (lv_events_2_0= ruleEvent ) )+ otherlv_3= 'end' )? (otherlv_4= 'resetEvents' ( (otherlv_5= RULE_ID ) )+ otherlv_6= 'end' )? (otherlv_7= 'commands' ( (lv_commands_8_0= ruleCommand ) )+ otherlv_9= 'end' )? ( (lv_states_10_0= ruleState ) )* )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:80:1: ( () (otherlv_1= 'events' ( (lv_events_2_0= ruleEvent ) )+ otherlv_3= 'end' )? (otherlv_4= 'resetEvents' ( (otherlv_5= RULE_ID ) )+ otherlv_6= 'end' )? (otherlv_7= 'commands' ( (lv_commands_8_0= ruleCommand ) )+ otherlv_9= 'end' )? ( (lv_states_10_0= ruleState ) )* )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:80:2: () (otherlv_1= 'events' ( (lv_events_2_0= ruleEvent ) )+ otherlv_3= 'end' )? (otherlv_4= 'resetEvents' ( (otherlv_5= RULE_ID ) )+ otherlv_6= 'end' )? (otherlv_7= 'commands' ( (lv_commands_8_0= ruleCommand ) )+ otherlv_9= 'end' )? ( (lv_states_10_0= ruleState ) )*
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:80:2: ()
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:81:5: 
+            {
+
+                    current = forceCreateModelElement(
+                        grammarAccess.getStatemachineAccess().getStatemachineAction_0(),
+                        current);
+                
+
+            }
+
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:86:2: (otherlv_1= 'events' ( (lv_events_2_0= ruleEvent ) )+ otherlv_3= 'end' )?
+            int alt2=2;
+            int LA2_0 = input.LA(1);
+
+            if ( (LA2_0==11) ) {
+                alt2=1;
+            }
+            switch (alt2) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:86:4: otherlv_1= 'events' ( (lv_events_2_0= ruleEvent ) )+ otherlv_3= 'end'
+                    {
+                    otherlv_1=(Token)match(input,11,FOLLOW_11_in_ruleStatemachine132); 
+
+                        	newLeafNode(otherlv_1, grammarAccess.getStatemachineAccess().getEventsKeyword_1_0());
+                        
+                    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:90:1: ( (lv_events_2_0= ruleEvent ) )+
+                    int cnt1=0;
+                    loop1:
+                    do {
+                        int alt1=2;
+                        int LA1_0 = input.LA(1);
+
+                        if ( (LA1_0==RULE_ID) ) {
+                            alt1=1;
+                        }
+
+
+                        switch (alt1) {
+                    	case 1 :
+                    	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:91:1: (lv_events_2_0= ruleEvent )
+                    	    {
+                    	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:91:1: (lv_events_2_0= ruleEvent )
+                    	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:92:3: lv_events_2_0= ruleEvent
+                    	    {
+                    	     
+                    	    	        newCompositeNode(grammarAccess.getStatemachineAccess().getEventsEventParserRuleCall_1_1_0()); 
+                    	    	    
+                    	    pushFollow(FOLLOW_ruleEvent_in_ruleStatemachine153);
+                    	    lv_events_2_0=ruleEvent();
+
+                    	    state._fsp--;
+
+
+                    	    	        if (current==null) {
+                    	    	            current = createModelElementForParent(grammarAccess.getStatemachineRule());
+                    	    	        }
+                    	           		add(
+                    	           			current, 
+                    	           			"events",
+                    	            		lv_events_2_0, 
+                    	            		"Event");
+                    	    	        afterParserOrEnumRuleCall();
+                    	    	    
+
+                    	    }
+
+
+                    	    }
+                    	    break;
+
+                    	default :
+                    	    if ( cnt1 >= 1 ) break loop1;
+                                EarlyExitException eee =
+                                    new EarlyExitException(1, input);
+                                throw eee;
+                        }
+                        cnt1++;
+                    } while (true);
+
+                    otherlv_3=(Token)match(input,12,FOLLOW_12_in_ruleStatemachine166); 
+
+                        	newLeafNode(otherlv_3, grammarAccess.getStatemachineAccess().getEndKeyword_1_2());
+                        
+
+                    }
+                    break;
+
+            }
+
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:112:3: (otherlv_4= 'resetEvents' ( (otherlv_5= RULE_ID ) )+ otherlv_6= 'end' )?
+            int alt4=2;
+            int LA4_0 = input.LA(1);
+
+            if ( (LA4_0==13) ) {
+                alt4=1;
+            }
+            switch (alt4) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:112:5: otherlv_4= 'resetEvents' ( (otherlv_5= RULE_ID ) )+ otherlv_6= 'end'
+                    {
+                    otherlv_4=(Token)match(input,13,FOLLOW_13_in_ruleStatemachine181); 
+
+                        	newLeafNode(otherlv_4, grammarAccess.getStatemachineAccess().getResetEventsKeyword_2_0());
+                        
+                    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:116:1: ( (otherlv_5= RULE_ID ) )+
+                    int cnt3=0;
+                    loop3:
+                    do {
+                        int alt3=2;
+                        int LA3_0 = input.LA(1);
+
+                        if ( (LA3_0==RULE_ID) ) {
+                            alt3=1;
+                        }
+
+
+                        switch (alt3) {
+                    	case 1 :
+                    	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:117:1: (otherlv_5= RULE_ID )
+                    	    {
+                    	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:117:1: (otherlv_5= RULE_ID )
+                    	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:118:3: otherlv_5= RULE_ID
+                    	    {
+
+                    	    			if (current==null) {
+                    	    	            current = createModelElement(grammarAccess.getStatemachineRule());
+                    	    	        }
+                    	            
+                    	    otherlv_5=(Token)match(input,RULE_ID,FOLLOW_RULE_ID_in_ruleStatemachine201); 
+
+                    	    		newLeafNode(otherlv_5, grammarAccess.getStatemachineAccess().getResetEventsEventCrossReference_2_1_0()); 
+                    	    	
+
+                    	    }
+
+
+                    	    }
+                    	    break;
+
+                    	default :
+                    	    if ( cnt3 >= 1 ) break loop3;
+                                EarlyExitException eee =
+                                    new EarlyExitException(3, input);
+                                throw eee;
+                        }
+                        cnt3++;
+                    } while (true);
+
+                    otherlv_6=(Token)match(input,12,FOLLOW_12_in_ruleStatemachine214); 
+
+                        	newLeafNode(otherlv_6, grammarAccess.getStatemachineAccess().getEndKeyword_2_2());
+                        
+
+                    }
+                    break;
+
+            }
+
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:133:3: (otherlv_7= 'commands' ( (lv_commands_8_0= ruleCommand ) )+ otherlv_9= 'end' )?
+            int alt6=2;
+            int LA6_0 = input.LA(1);
+
+            if ( (LA6_0==14) ) {
+                alt6=1;
+            }
+            switch (alt6) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:133:5: otherlv_7= 'commands' ( (lv_commands_8_0= ruleCommand ) )+ otherlv_9= 'end'
+                    {
+                    otherlv_7=(Token)match(input,14,FOLLOW_14_in_ruleStatemachine229); 
+
+                        	newLeafNode(otherlv_7, grammarAccess.getStatemachineAccess().getCommandsKeyword_3_0());
+                        
+                    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:137:1: ( (lv_commands_8_0= ruleCommand ) )+
+                    int cnt5=0;
+                    loop5:
+                    do {
+                        int alt5=2;
+                        int LA5_0 = input.LA(1);
+
+                        if ( (LA5_0==RULE_ID) ) {
+                            alt5=1;
+                        }
+
+
+                        switch (alt5) {
+                    	case 1 :
+                    	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:138:1: (lv_commands_8_0= ruleCommand )
+                    	    {
+                    	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:138:1: (lv_commands_8_0= ruleCommand )
+                    	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:139:3: lv_commands_8_0= ruleCommand
+                    	    {
+                    	     
+                    	    	        newCompositeNode(grammarAccess.getStatemachineAccess().getCommandsCommandParserRuleCall_3_1_0()); 
+                    	    	    
+                    	    pushFollow(FOLLOW_ruleCommand_in_ruleStatemachine250);
+                    	    lv_commands_8_0=ruleCommand();
+
+                    	    state._fsp--;
+
+
+                    	    	        if (current==null) {
+                    	    	            current = createModelElementForParent(grammarAccess.getStatemachineRule());
+                    	    	        }
+                    	           		add(
+                    	           			current, 
+                    	           			"commands",
+                    	            		lv_commands_8_0, 
+                    	            		"Command");
+                    	    	        afterParserOrEnumRuleCall();
+                    	    	    
+
+                    	    }
+
+
+                    	    }
+                    	    break;
+
+                    	default :
+                    	    if ( cnt5 >= 1 ) break loop5;
+                                EarlyExitException eee =
+                                    new EarlyExitException(5, input);
+                                throw eee;
+                        }
+                        cnt5++;
+                    } while (true);
+
+                    otherlv_9=(Token)match(input,12,FOLLOW_12_in_ruleStatemachine263); 
+
+                        	newLeafNode(otherlv_9, grammarAccess.getStatemachineAccess().getEndKeyword_3_2());
+                        
+
+                    }
+                    break;
+
+            }
+
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:159:3: ( (lv_states_10_0= ruleState ) )*
+            loop7:
+            do {
+                int alt7=2;
+                int LA7_0 = input.LA(1);
+
+                if ( (LA7_0==15) ) {
+                    alt7=1;
+                }
+
+
+                switch (alt7) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:160:1: (lv_states_10_0= ruleState )
+            	    {
+            	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:160:1: (lv_states_10_0= ruleState )
+            	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:161:3: lv_states_10_0= ruleState
+            	    {
+            	     
+            	    	        newCompositeNode(grammarAccess.getStatemachineAccess().getStatesStateParserRuleCall_4_0()); 
+            	    	    
+            	    pushFollow(FOLLOW_ruleState_in_ruleStatemachine286);
+            	    lv_states_10_0=ruleState();
+
+            	    state._fsp--;
+
+
+            	    	        if (current==null) {
+            	    	            current = createModelElementForParent(grammarAccess.getStatemachineRule());
+            	    	        }
+            	           		add(
+            	           			current, 
+            	           			"states",
+            	            		lv_states_10_0, 
+            	            		"State");
+            	    	        afterParserOrEnumRuleCall();
+            	    	    
+
+            	    }
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop7;
+                }
+            } while (true);
+
+
+            }
+
+
+            }
+
+             leaveRule(); 
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "ruleStatemachine"
+
+
+    // $ANTLR start "entryRuleEvent"
+    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:185:1: entryRuleEvent returns [EObject current=null] : iv_ruleEvent= ruleEvent EOF ;
+    public final EObject entryRuleEvent() throws RecognitionException {
+        EObject current = null;
+
+        EObject iv_ruleEvent = null;
+
+
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:186:2: (iv_ruleEvent= ruleEvent EOF )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:187:2: iv_ruleEvent= ruleEvent EOF
+            {
+             newCompositeNode(grammarAccess.getEventRule()); 
+            pushFollow(FOLLOW_ruleEvent_in_entryRuleEvent323);
+            iv_ruleEvent=ruleEvent();
+
+            state._fsp--;
+
+             current =iv_ruleEvent; 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleEvent333); 
+
+            }
+
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "entryRuleEvent"
+
+
+    // $ANTLR start "ruleEvent"
+    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:194:1: ruleEvent returns [EObject current=null] : ( ( (lv_name_0_0= RULE_ID ) ) ( (lv_code_1_0= RULE_ID ) ) ) ;
+    public final EObject ruleEvent() throws RecognitionException {
+        EObject current = null;
+
+        Token lv_name_0_0=null;
+        Token lv_code_1_0=null;
+
+         enterRule(); 
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:197:28: ( ( ( (lv_name_0_0= RULE_ID ) ) ( (lv_code_1_0= RULE_ID ) ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:198:1: ( ( (lv_name_0_0= RULE_ID ) ) ( (lv_code_1_0= RULE_ID ) ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:198:1: ( ( (lv_name_0_0= RULE_ID ) ) ( (lv_code_1_0= RULE_ID ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:198:2: ( (lv_name_0_0= RULE_ID ) ) ( (lv_code_1_0= RULE_ID ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:198:2: ( (lv_name_0_0= RULE_ID ) )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:199:1: (lv_name_0_0= RULE_ID )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:199:1: (lv_name_0_0= RULE_ID )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:200:3: lv_name_0_0= RULE_ID
+            {
+            lv_name_0_0=(Token)match(input,RULE_ID,FOLLOW_RULE_ID_in_ruleEvent375); 
+
+            			newLeafNode(lv_name_0_0, grammarAccess.getEventAccess().getNameIDTerminalRuleCall_0_0()); 
+            		
+
+            	        if (current==null) {
+            	            current = createModelElement(grammarAccess.getEventRule());
+            	        }
+                   		setWithLastConsumed(
+                   			current, 
+                   			"name",
+                    		lv_name_0_0, 
+                    		"ID");
+            	    
+
+            }
+
+
+            }
+
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:216:2: ( (lv_code_1_0= RULE_ID ) )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:217:1: (lv_code_1_0= RULE_ID )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:217:1: (lv_code_1_0= RULE_ID )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:218:3: lv_code_1_0= RULE_ID
+            {
+            lv_code_1_0=(Token)match(input,RULE_ID,FOLLOW_RULE_ID_in_ruleEvent397); 
+
+            			newLeafNode(lv_code_1_0, grammarAccess.getEventAccess().getCodeIDTerminalRuleCall_1_0()); 
+            		
+
+            	        if (current==null) {
+            	            current = createModelElement(grammarAccess.getEventRule());
+            	        }
+                   		setWithLastConsumed(
+                   			current, 
+                   			"code",
+                    		lv_code_1_0, 
+                    		"ID");
+            	    
+
+            }
+
+
+            }
+
+
+            }
+
+
+            }
+
+             leaveRule(); 
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "ruleEvent"
+
+
+    // $ANTLR start "entryRuleCommand"
+    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:242:1: entryRuleCommand returns [EObject current=null] : iv_ruleCommand= ruleCommand EOF ;
+    public final EObject entryRuleCommand() throws RecognitionException {
+        EObject current = null;
+
+        EObject iv_ruleCommand = null;
+
+
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:243:2: (iv_ruleCommand= ruleCommand EOF )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:244:2: iv_ruleCommand= ruleCommand EOF
+            {
+             newCompositeNode(grammarAccess.getCommandRule()); 
+            pushFollow(FOLLOW_ruleCommand_in_entryRuleCommand438);
+            iv_ruleCommand=ruleCommand();
+
+            state._fsp--;
+
+             current =iv_ruleCommand; 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleCommand448); 
+
+            }
+
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "entryRuleCommand"
+
+
+    // $ANTLR start "ruleCommand"
+    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:251:1: ruleCommand returns [EObject current=null] : ( ( (lv_name_0_0= RULE_ID ) ) ( (lv_code_1_0= RULE_ID ) ) ) ;
+    public final EObject ruleCommand() throws RecognitionException {
+        EObject current = null;
+
+        Token lv_name_0_0=null;
+        Token lv_code_1_0=null;
+
+         enterRule(); 
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:254:28: ( ( ( (lv_name_0_0= RULE_ID ) ) ( (lv_code_1_0= RULE_ID ) ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:255:1: ( ( (lv_name_0_0= RULE_ID ) ) ( (lv_code_1_0= RULE_ID ) ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:255:1: ( ( (lv_name_0_0= RULE_ID ) ) ( (lv_code_1_0= RULE_ID ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:255:2: ( (lv_name_0_0= RULE_ID ) ) ( (lv_code_1_0= RULE_ID ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:255:2: ( (lv_name_0_0= RULE_ID ) )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:256:1: (lv_name_0_0= RULE_ID )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:256:1: (lv_name_0_0= RULE_ID )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:257:3: lv_name_0_0= RULE_ID
+            {
+            lv_name_0_0=(Token)match(input,RULE_ID,FOLLOW_RULE_ID_in_ruleCommand490); 
+
+            			newLeafNode(lv_name_0_0, grammarAccess.getCommandAccess().getNameIDTerminalRuleCall_0_0()); 
+            		
+
+            	        if (current==null) {
+            	            current = createModelElement(grammarAccess.getCommandRule());
+            	        }
+                   		setWithLastConsumed(
+                   			current, 
+                   			"name",
+                    		lv_name_0_0, 
+                    		"ID");
+            	    
+
+            }
+
+
+            }
+
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:273:2: ( (lv_code_1_0= RULE_ID ) )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:274:1: (lv_code_1_0= RULE_ID )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:274:1: (lv_code_1_0= RULE_ID )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:275:3: lv_code_1_0= RULE_ID
+            {
+            lv_code_1_0=(Token)match(input,RULE_ID,FOLLOW_RULE_ID_in_ruleCommand512); 
+
+            			newLeafNode(lv_code_1_0, grammarAccess.getCommandAccess().getCodeIDTerminalRuleCall_1_0()); 
+            		
+
+            	        if (current==null) {
+            	            current = createModelElement(grammarAccess.getCommandRule());
+            	        }
+                   		setWithLastConsumed(
+                   			current, 
+                   			"code",
+                    		lv_code_1_0, 
+                    		"ID");
+            	    
+
+            }
+
+
+            }
+
+
+            }
+
+
+            }
+
+             leaveRule(); 
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "ruleCommand"
+
+
+    // $ANTLR start "entryRuleState"
+    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:299:1: entryRuleState returns [EObject current=null] : iv_ruleState= ruleState EOF ;
+    public final EObject entryRuleState() throws RecognitionException {
+        EObject current = null;
+
+        EObject iv_ruleState = null;
+
+
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:300:2: (iv_ruleState= ruleState EOF )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:301:2: iv_ruleState= ruleState EOF
+            {
+             newCompositeNode(grammarAccess.getStateRule()); 
+            pushFollow(FOLLOW_ruleState_in_entryRuleState553);
+            iv_ruleState=ruleState();
+
+            state._fsp--;
+
+             current =iv_ruleState; 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleState563); 
+
+            }
+
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "entryRuleState"
+
+
+    // $ANTLR start "ruleState"
+    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:308:1: ruleState returns [EObject current=null] : (otherlv_0= 'state' ( (lv_name_1_0= RULE_ID ) ) (otherlv_2= 'actions' otherlv_3= '{' ( (otherlv_4= RULE_ID ) )+ otherlv_5= '}' )? ( (lv_transitions_6_0= ruleTransition ) )* otherlv_7= 'end' ) ;
+    public final EObject ruleState() throws RecognitionException {
+        EObject current = null;
+
+        Token otherlv_0=null;
+        Token lv_name_1_0=null;
+        Token otherlv_2=null;
+        Token otherlv_3=null;
+        Token otherlv_4=null;
+        Token otherlv_5=null;
+        Token otherlv_7=null;
+        EObject lv_transitions_6_0 = null;
+
+
+         enterRule(); 
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:311:28: ( (otherlv_0= 'state' ( (lv_name_1_0= RULE_ID ) ) (otherlv_2= 'actions' otherlv_3= '{' ( (otherlv_4= RULE_ID ) )+ otherlv_5= '}' )? ( (lv_transitions_6_0= ruleTransition ) )* otherlv_7= 'end' ) )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:312:1: (otherlv_0= 'state' ( (lv_name_1_0= RULE_ID ) ) (otherlv_2= 'actions' otherlv_3= '{' ( (otherlv_4= RULE_ID ) )+ otherlv_5= '}' )? ( (lv_transitions_6_0= ruleTransition ) )* otherlv_7= 'end' )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:312:1: (otherlv_0= 'state' ( (lv_name_1_0= RULE_ID ) ) (otherlv_2= 'actions' otherlv_3= '{' ( (otherlv_4= RULE_ID ) )+ otherlv_5= '}' )? ( (lv_transitions_6_0= ruleTransition ) )* otherlv_7= 'end' )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:312:3: otherlv_0= 'state' ( (lv_name_1_0= RULE_ID ) ) (otherlv_2= 'actions' otherlv_3= '{' ( (otherlv_4= RULE_ID ) )+ otherlv_5= '}' )? ( (lv_transitions_6_0= ruleTransition ) )* otherlv_7= 'end'
+            {
+            otherlv_0=(Token)match(input,15,FOLLOW_15_in_ruleState600); 
+
+                	newLeafNode(otherlv_0, grammarAccess.getStateAccess().getStateKeyword_0());
+                
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:316:1: ( (lv_name_1_0= RULE_ID ) )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:317:1: (lv_name_1_0= RULE_ID )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:317:1: (lv_name_1_0= RULE_ID )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:318:3: lv_name_1_0= RULE_ID
+            {
+            lv_name_1_0=(Token)match(input,RULE_ID,FOLLOW_RULE_ID_in_ruleState617); 
+
+            			newLeafNode(lv_name_1_0, grammarAccess.getStateAccess().getNameIDTerminalRuleCall_1_0()); 
+            		
+
+            	        if (current==null) {
+            	            current = createModelElement(grammarAccess.getStateRule());
+            	        }
+                   		setWithLastConsumed(
+                   			current, 
+                   			"name",
+                    		lv_name_1_0, 
+                    		"ID");
+            	    
+
+            }
+
+
+            }
+
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:334:2: (otherlv_2= 'actions' otherlv_3= '{' ( (otherlv_4= RULE_ID ) )+ otherlv_5= '}' )?
+            int alt9=2;
+            int LA9_0 = input.LA(1);
+
+            if ( (LA9_0==16) ) {
+                alt9=1;
+            }
+            switch (alt9) {
+                case 1 :
+                    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:334:4: otherlv_2= 'actions' otherlv_3= '{' ( (otherlv_4= RULE_ID ) )+ otherlv_5= '}'
+                    {
+                    otherlv_2=(Token)match(input,16,FOLLOW_16_in_ruleState635); 
+
+                        	newLeafNode(otherlv_2, grammarAccess.getStateAccess().getActionsKeyword_2_0());
+                        
+                    otherlv_3=(Token)match(input,17,FOLLOW_17_in_ruleState647); 
+
+                        	newLeafNode(otherlv_3, grammarAccess.getStateAccess().getLeftCurlyBracketKeyword_2_1());
+                        
+                    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:342:1: ( (otherlv_4= RULE_ID ) )+
+                    int cnt8=0;
+                    loop8:
+                    do {
+                        int alt8=2;
+                        int LA8_0 = input.LA(1);
+
+                        if ( (LA8_0==RULE_ID) ) {
+                            alt8=1;
+                        }
+
+
+                        switch (alt8) {
+                    	case 1 :
+                    	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:343:1: (otherlv_4= RULE_ID )
+                    	    {
+                    	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:343:1: (otherlv_4= RULE_ID )
+                    	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:344:3: otherlv_4= RULE_ID
+                    	    {
+
+                    	    			if (current==null) {
+                    	    	            current = createModelElement(grammarAccess.getStateRule());
+                    	    	        }
+                    	            
+                    	    otherlv_4=(Token)match(input,RULE_ID,FOLLOW_RULE_ID_in_ruleState667); 
+
+                    	    		newLeafNode(otherlv_4, grammarAccess.getStateAccess().getActionsCommandCrossReference_2_2_0()); 
+                    	    	
+
+                    	    }
+
+
+                    	    }
+                    	    break;
+
+                    	default :
+                    	    if ( cnt8 >= 1 ) break loop8;
+                                EarlyExitException eee =
+                                    new EarlyExitException(8, input);
+                                throw eee;
+                        }
+                        cnt8++;
+                    } while (true);
+
+                    otherlv_5=(Token)match(input,18,FOLLOW_18_in_ruleState680); 
+
+                        	newLeafNode(otherlv_5, grammarAccess.getStateAccess().getRightCurlyBracketKeyword_2_3());
+                        
+
+                    }
+                    break;
+
+            }
+
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:359:3: ( (lv_transitions_6_0= ruleTransition ) )*
+            loop10:
+            do {
+                int alt10=2;
+                int LA10_0 = input.LA(1);
+
+                if ( (LA10_0==RULE_ID) ) {
+                    alt10=1;
+                }
+
+
+                switch (alt10) {
+            	case 1 :
+            	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:360:1: (lv_transitions_6_0= ruleTransition )
+            	    {
+            	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:360:1: (lv_transitions_6_0= ruleTransition )
+            	    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:361:3: lv_transitions_6_0= ruleTransition
+            	    {
+            	     
+            	    	        newCompositeNode(grammarAccess.getStateAccess().getTransitionsTransitionParserRuleCall_3_0()); 
+            	    	    
+            	    pushFollow(FOLLOW_ruleTransition_in_ruleState703);
+            	    lv_transitions_6_0=ruleTransition();
+
+            	    state._fsp--;
+
+
+            	    	        if (current==null) {
+            	    	            current = createModelElementForParent(grammarAccess.getStateRule());
+            	    	        }
+            	           		add(
+            	           			current, 
+            	           			"transitions",
+            	            		lv_transitions_6_0, 
+            	            		"Transition");
+            	    	        afterParserOrEnumRuleCall();
+            	    	    
+
+            	    }
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop10;
+                }
+            } while (true);
+
+            otherlv_7=(Token)match(input,12,FOLLOW_12_in_ruleState716); 
+
+                	newLeafNode(otherlv_7, grammarAccess.getStateAccess().getEndKeyword_4());
+                
+
+            }
+
+
+            }
+
+             leaveRule(); 
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "ruleState"
+
+
+    // $ANTLR start "entryRuleTransition"
+    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:389:1: entryRuleTransition returns [EObject current=null] : iv_ruleTransition= ruleTransition EOF ;
+    public final EObject entryRuleTransition() throws RecognitionException {
+        EObject current = null;
+
+        EObject iv_ruleTransition = null;
+
+
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:390:2: (iv_ruleTransition= ruleTransition EOF )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:391:2: iv_ruleTransition= ruleTransition EOF
+            {
+             newCompositeNode(grammarAccess.getTransitionRule()); 
+            pushFollow(FOLLOW_ruleTransition_in_entryRuleTransition752);
+            iv_ruleTransition=ruleTransition();
+
+            state._fsp--;
+
+             current =iv_ruleTransition; 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleTransition762); 
+
+            }
+
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "entryRuleTransition"
+
+
+    // $ANTLR start "ruleTransition"
+    // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:398:1: ruleTransition returns [EObject current=null] : ( ( (otherlv_0= RULE_ID ) ) otherlv_1= '=>' ( (otherlv_2= RULE_ID ) ) ) ;
+    public final EObject ruleTransition() throws RecognitionException {
+        EObject current = null;
+
+        Token otherlv_0=null;
+        Token otherlv_1=null;
+        Token otherlv_2=null;
+
+         enterRule(); 
+            
+        try {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:401:28: ( ( ( (otherlv_0= RULE_ID ) ) otherlv_1= '=>' ( (otherlv_2= RULE_ID ) ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:402:1: ( ( (otherlv_0= RULE_ID ) ) otherlv_1= '=>' ( (otherlv_2= RULE_ID ) ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:402:1: ( ( (otherlv_0= RULE_ID ) ) otherlv_1= '=>' ( (otherlv_2= RULE_ID ) ) )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:402:2: ( (otherlv_0= RULE_ID ) ) otherlv_1= '=>' ( (otherlv_2= RULE_ID ) )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:402:2: ( (otherlv_0= RULE_ID ) )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:403:1: (otherlv_0= RULE_ID )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:403:1: (otherlv_0= RULE_ID )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:404:3: otherlv_0= RULE_ID
+            {
+
+            			if (current==null) {
+            	            current = createModelElement(grammarAccess.getTransitionRule());
+            	        }
+                    
+            otherlv_0=(Token)match(input,RULE_ID,FOLLOW_RULE_ID_in_ruleTransition807); 
+
+            		newLeafNode(otherlv_0, grammarAccess.getTransitionAccess().getEventEventCrossReference_0_0()); 
+            	
+
+            }
+
+
+            }
+
+            otherlv_1=(Token)match(input,19,FOLLOW_19_in_ruleTransition819); 
+
+                	newLeafNode(otherlv_1, grammarAccess.getTransitionAccess().getEqualsSignGreaterThanSignKeyword_1());
+                
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:419:1: ( (otherlv_2= RULE_ID ) )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:420:1: (otherlv_2= RULE_ID )
+            {
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:420:1: (otherlv_2= RULE_ID )
+            // ../org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/parser/antlr/internal/InternalStatemachine.g:421:3: otherlv_2= RULE_ID
+            {
+
+            			if (current==null) {
+            	            current = createModelElement(grammarAccess.getTransitionRule());
+            	        }
+                    
+            otherlv_2=(Token)match(input,RULE_ID,FOLLOW_RULE_ID_in_ruleTransition839); 
+
+            		newLeafNode(otherlv_2, grammarAccess.getTransitionAccess().getStateStateCrossReference_2_0()); 
+            	
+
+            }
+
+
+            }
+
+
+            }
+
+
+            }
+
+             leaveRule(); 
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "ruleTransition"
+
+    // Delegated rules
+
+
+ 
+
+    public static final BitSet FOLLOW_ruleStatemachine_in_entryRuleStatemachine75 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleStatemachine85 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_11_in_ruleStatemachine132 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_ruleEvent_in_ruleStatemachine153 = new BitSet(new long[]{0x0000000000001010L});
+    public static final BitSet FOLLOW_12_in_ruleStatemachine166 = new BitSet(new long[]{0x000000000000E002L});
+    public static final BitSet FOLLOW_13_in_ruleStatemachine181 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_RULE_ID_in_ruleStatemachine201 = new BitSet(new long[]{0x0000000000001010L});
+    public static final BitSet FOLLOW_12_in_ruleStatemachine214 = new BitSet(new long[]{0x000000000000C002L});
+    public static final BitSet FOLLOW_14_in_ruleStatemachine229 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_ruleCommand_in_ruleStatemachine250 = new BitSet(new long[]{0x0000000000001010L});
+    public static final BitSet FOLLOW_12_in_ruleStatemachine263 = new BitSet(new long[]{0x0000000000008002L});
+    public static final BitSet FOLLOW_ruleState_in_ruleStatemachine286 = new BitSet(new long[]{0x0000000000008002L});
+    public static final BitSet FOLLOW_ruleEvent_in_entryRuleEvent323 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleEvent333 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_RULE_ID_in_ruleEvent375 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_RULE_ID_in_ruleEvent397 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleCommand_in_entryRuleCommand438 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleCommand448 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_RULE_ID_in_ruleCommand490 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_RULE_ID_in_ruleCommand512 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleState_in_entryRuleState553 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleState563 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_15_in_ruleState600 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_RULE_ID_in_ruleState617 = new BitSet(new long[]{0x0000000000011010L});
+    public static final BitSet FOLLOW_16_in_ruleState635 = new BitSet(new long[]{0x0000000000020000L});
+    public static final BitSet FOLLOW_17_in_ruleState647 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_RULE_ID_in_ruleState667 = new BitSet(new long[]{0x0000000000040010L});
+    public static final BitSet FOLLOW_18_in_ruleState680 = new BitSet(new long[]{0x0000000000001010L});
+    public static final BitSet FOLLOW_ruleTransition_in_ruleState703 = new BitSet(new long[]{0x0000000000001010L});
+    public static final BitSet FOLLOW_12_in_ruleState716 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleTransition_in_entryRuleTransition752 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleTransition762 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_RULE_ID_in_ruleTransition807 = new BitSet(new long[]{0x0000000000080000L});
+    public static final BitSet FOLLOW_19_in_ruleTransition819 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_RULE_ID_in_ruleTransition839 = new BitSet(new long[]{0x0000000000000002L});
+
+}
\ No newline at end of file
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/serializer/AbstractStatemachineSemanticSequencer.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/serializer/AbstractStatemachineSemanticSequencer.java
new file mode 100644
index 0000000..19b8b57
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/serializer/AbstractStatemachineSemanticSequencer.java
@@ -0,0 +1,159 @@
+package org.eclipse.xtext.example.fowlerdsl.serializer;
+
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.example.fowlerdsl.services.StatemachineGrammarAccess;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.Command;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.Event;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.State;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.Statemachine;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.Transition;
+import org.eclipse.xtext.serializer.acceptor.ISemanticSequenceAcceptor;
+import org.eclipse.xtext.serializer.acceptor.SequenceFeeder;
+import org.eclipse.xtext.serializer.diagnostic.ISemanticSequencerDiagnosticProvider;
+import org.eclipse.xtext.serializer.diagnostic.ISerializationDiagnostic.Acceptor;
+import org.eclipse.xtext.serializer.sequencer.AbstractSemanticSequencer;
+import org.eclipse.xtext.serializer.sequencer.GenericSequencer;
+import org.eclipse.xtext.serializer.sequencer.ISemanticNodeProvider.INodesForEObjectProvider;
+import org.eclipse.xtext.serializer.sequencer.ISemanticSequencer;
+import org.eclipse.xtext.serializer.sequencer.ITransientValueService;
+import org.eclipse.xtext.serializer.sequencer.ITransientValueService.ValueTransient;
+
+@SuppressWarnings("restriction")
+public class AbstractStatemachineSemanticSequencer extends AbstractSemanticSequencer {
+
+	@Inject
+	protected StatemachineGrammarAccess grammarAccess;
+	
+	@Inject
+	protected ISemanticSequencerDiagnosticProvider diagnosticProvider;
+	
+	@Inject
+	protected ITransientValueService transientValues;
+	
+	@Inject
+	@GenericSequencer
+	protected Provider<ISemanticSequencer> genericSequencerProvider;
+	
+	protected ISemanticSequencer genericSequencer;
+	
+	
+	@Override
+	public void init(ISemanticSequencer sequencer, ISemanticSequenceAcceptor sequenceAcceptor, Acceptor errorAcceptor) {
+		super.init(sequencer, sequenceAcceptor, errorAcceptor);
+		this.genericSequencer = genericSequencerProvider.get();
+		this.genericSequencer.init(sequencer, sequenceAcceptor, errorAcceptor);
+	}
+	
+	public void createSequence(EObject context, EObject semanticObject) {
+		if(semanticObject.eClass().getEPackage() == StatemachinePackage.eINSTANCE) switch(semanticObject.eClass().getClassifierID()) {
+			case StatemachinePackage.COMMAND:
+				if(context == grammarAccess.getCommandRule()) {
+					sequence_Command(context, (Command) semanticObject); 
+					return; 
+				}
+				else break;
+			case StatemachinePackage.EVENT:
+				if(context == grammarAccess.getEventRule()) {
+					sequence_Event(context, (Event) semanticObject); 
+					return; 
+				}
+				else break;
+			case StatemachinePackage.STATE:
+				if(context == grammarAccess.getStateRule()) {
+					sequence_State(context, (State) semanticObject); 
+					return; 
+				}
+				else break;
+			case StatemachinePackage.STATEMACHINE:
+				if(context == grammarAccess.getStatemachineRule()) {
+					sequence_Statemachine(context, (Statemachine) semanticObject); 
+					return; 
+				}
+				else break;
+			case StatemachinePackage.TRANSITION:
+				if(context == grammarAccess.getTransitionRule()) {
+					sequence_Transition(context, (Transition) semanticObject); 
+					return; 
+				}
+				else break;
+			}
+		if (errorAcceptor != null) errorAcceptor.accept(diagnosticProvider.createInvalidContextOrTypeDiagnostic(semanticObject, context));
+	}
+	
+	/**
+	 * Constraint:
+	 *     (name=ID code=ID)
+	 */
+	protected void sequence_Command(EObject context, Command semanticObject) {
+		if(errorAcceptor != null) {
+			if(transientValues.isValueTransient(semanticObject, StatemachinePackage.Literals.COMMAND__NAME) == ValueTransient.YES)
+				errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, StatemachinePackage.Literals.COMMAND__NAME));
+			if(transientValues.isValueTransient(semanticObject, StatemachinePackage.Literals.COMMAND__CODE) == ValueTransient.YES)
+				errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, StatemachinePackage.Literals.COMMAND__CODE));
+		}
+		INodesForEObjectProvider nodes = createNodeProvider(semanticObject);
+		SequenceFeeder feeder = createSequencerFeeder(semanticObject, nodes);
+		feeder.accept(grammarAccess.getCommandAccess().getNameIDTerminalRuleCall_0_0(), semanticObject.getName());
+		feeder.accept(grammarAccess.getCommandAccess().getCodeIDTerminalRuleCall_1_0(), semanticObject.getCode());
+		feeder.finish();
+	}
+	
+	
+	/**
+	 * Constraint:
+	 *     (name=ID code=ID)
+	 */
+	protected void sequence_Event(EObject context, Event semanticObject) {
+		if(errorAcceptor != null) {
+			if(transientValues.isValueTransient(semanticObject, StatemachinePackage.Literals.EVENT__NAME) == ValueTransient.YES)
+				errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, StatemachinePackage.Literals.EVENT__NAME));
+			if(transientValues.isValueTransient(semanticObject, StatemachinePackage.Literals.EVENT__CODE) == ValueTransient.YES)
+				errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, StatemachinePackage.Literals.EVENT__CODE));
+		}
+		INodesForEObjectProvider nodes = createNodeProvider(semanticObject);
+		SequenceFeeder feeder = createSequencerFeeder(semanticObject, nodes);
+		feeder.accept(grammarAccess.getEventAccess().getNameIDTerminalRuleCall_0_0(), semanticObject.getName());
+		feeder.accept(grammarAccess.getEventAccess().getCodeIDTerminalRuleCall_1_0(), semanticObject.getCode());
+		feeder.finish();
+	}
+	
+	
+	/**
+	 * Constraint:
+	 *     (name=ID actions+=[Command|ID]* transitions+=Transition*)
+	 */
+	protected void sequence_State(EObject context, State semanticObject) {
+		genericSequencer.createSequence(context, semanticObject);
+	}
+	
+	
+	/**
+	 * Constraint:
+	 *     (events+=Event* resetEvents+=[Event|ID]* commands+=Command* states+=State*)
+	 */
+	protected void sequence_Statemachine(EObject context, Statemachine semanticObject) {
+		genericSequencer.createSequence(context, semanticObject);
+	}
+	
+	
+	/**
+	 * Constraint:
+	 *     (event=[Event|ID] state=[State|ID])
+	 */
+	protected void sequence_Transition(EObject context, Transition semanticObject) {
+		if(errorAcceptor != null) {
+			if(transientValues.isValueTransient(semanticObject, StatemachinePackage.Literals.TRANSITION__EVENT) == ValueTransient.YES)
+				errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, StatemachinePackage.Literals.TRANSITION__EVENT));
+			if(transientValues.isValueTransient(semanticObject, StatemachinePackage.Literals.TRANSITION__STATE) == ValueTransient.YES)
+				errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, StatemachinePackage.Literals.TRANSITION__STATE));
+		}
+		INodesForEObjectProvider nodes = createNodeProvider(semanticObject);
+		SequenceFeeder feeder = createSequencerFeeder(semanticObject, nodes);
+		feeder.accept(grammarAccess.getTransitionAccess().getEventEventIDTerminalRuleCall_0_0_1(), semanticObject.getEvent());
+		feeder.accept(grammarAccess.getTransitionAccess().getStateStateIDTerminalRuleCall_2_0_1(), semanticObject.getState());
+		feeder.finish();
+	}
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/serializer/AbstractStatemachineSyntacticSequencer.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/serializer/AbstractStatemachineSyntacticSequencer.java
new file mode 100644
index 0000000..02070f1
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/serializer/AbstractStatemachineSyntacticSequencer.java
@@ -0,0 +1,40 @@
+package org.eclipse.xtext.example.fowlerdsl.serializer;
+
+import com.google.inject.Inject;
+import java.util.List;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.IGrammarAccess;
+import org.eclipse.xtext.RuleCall;
+import org.eclipse.xtext.example.fowlerdsl.services.StatemachineGrammarAccess;
+import org.eclipse.xtext.nodemodel.INode;
+import org.eclipse.xtext.serializer.analysis.GrammarAlias.AbstractElementAlias;
+import org.eclipse.xtext.serializer.analysis.ISyntacticSequencerPDAProvider.ISynTransition;
+import org.eclipse.xtext.serializer.sequencer.AbstractSyntacticSequencer;
+
+@SuppressWarnings("restriction")
+public class AbstractStatemachineSyntacticSequencer extends AbstractSyntacticSequencer {
+
+	protected StatemachineGrammarAccess grammarAccess;
+	
+	@Inject
+	protected void init(IGrammarAccess access) {
+		grammarAccess = (StatemachineGrammarAccess) access;
+	}
+	
+	@Override
+	protected String getUnassignedRuleCallToken(EObject semanticObject, RuleCall ruleCall, INode node) {
+		return "";
+	}
+	
+	
+	@Override
+	protected void emitUnassignedTokens(EObject semanticObject, ISynTransition transition, INode fromNode, INode toNode) {
+		if (transition.getAmbiguousSyntaxes().isEmpty()) return;
+		List<INode> transitionNodes = collectNodes(fromNode, toNode);
+		for (AbstractElementAlias syntax : transition.getAmbiguousSyntaxes()) {
+			List<INode> syntaxNodes = getNodesFor(transitionNodes, syntax);
+			acceptNodes(getLastNavigableState(), syntaxNodes);
+		}
+	}
+
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/services/StatemachineGrammarAccess.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/services/StatemachineGrammarAccess.java
new file mode 100644
index 0000000..d80624d
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/services/StatemachineGrammarAccess.java
@@ -0,0 +1,391 @@
+/*
+* generated by Xtext
+*/
+
+package org.eclipse.xtext.example.fowlerdsl.services;
+
+import com.google.inject.Singleton;
+import com.google.inject.Inject;
+
+import org.eclipse.xtext.*;
+import org.eclipse.xtext.service.GrammarProvider;
+import org.eclipse.xtext.service.AbstractElementFinder.*;
+
+import org.eclipse.xtext.common.services.TerminalsGrammarAccess;
+
+@Singleton
+public class StatemachineGrammarAccess extends AbstractGrammarElementFinder {
+	
+	
+	public class StatemachineElements extends AbstractParserRuleElementFinder {
+		private final ParserRule rule = (ParserRule) GrammarUtil.findRuleForName(getGrammar(), "Statemachine");
+		private final Group cGroup = (Group)rule.eContents().get(1);
+		private final Action cStatemachineAction_0 = (Action)cGroup.eContents().get(0);
+		private final Group cGroup_1 = (Group)cGroup.eContents().get(1);
+		private final Keyword cEventsKeyword_1_0 = (Keyword)cGroup_1.eContents().get(0);
+		private final Assignment cEventsAssignment_1_1 = (Assignment)cGroup_1.eContents().get(1);
+		private final RuleCall cEventsEventParserRuleCall_1_1_0 = (RuleCall)cEventsAssignment_1_1.eContents().get(0);
+		private final Keyword cEndKeyword_1_2 = (Keyword)cGroup_1.eContents().get(2);
+		private final Group cGroup_2 = (Group)cGroup.eContents().get(2);
+		private final Keyword cResetEventsKeyword_2_0 = (Keyword)cGroup_2.eContents().get(0);
+		private final Assignment cResetEventsAssignment_2_1 = (Assignment)cGroup_2.eContents().get(1);
+		private final CrossReference cResetEventsEventCrossReference_2_1_0 = (CrossReference)cResetEventsAssignment_2_1.eContents().get(0);
+		private final RuleCall cResetEventsEventIDTerminalRuleCall_2_1_0_1 = (RuleCall)cResetEventsEventCrossReference_2_1_0.eContents().get(1);
+		private final Keyword cEndKeyword_2_2 = (Keyword)cGroup_2.eContents().get(2);
+		private final Group cGroup_3 = (Group)cGroup.eContents().get(3);
+		private final Keyword cCommandsKeyword_3_0 = (Keyword)cGroup_3.eContents().get(0);
+		private final Assignment cCommandsAssignment_3_1 = (Assignment)cGroup_3.eContents().get(1);
+		private final RuleCall cCommandsCommandParserRuleCall_3_1_0 = (RuleCall)cCommandsAssignment_3_1.eContents().get(0);
+		private final Keyword cEndKeyword_3_2 = (Keyword)cGroup_3.eContents().get(2);
+		private final Assignment cStatesAssignment_4 = (Assignment)cGroup.eContents().get(4);
+		private final RuleCall cStatesStateParserRuleCall_4_0 = (RuleCall)cStatesAssignment_4.eContents().get(0);
+		
+		//Statemachine:
+		//	{Statemachine} ("events" events+=Event+ "end")? ("resetEvents" resetEvents+=[Event]+ "end")? ("commands"
+		//	commands+=Command+ "end")? states+=State*;
+		public ParserRule getRule() { return rule; }
+
+		//{Statemachine} ("events" events+=Event+ "end")? ("resetEvents" resetEvents+=[Event]+ "end")? ("commands"
+		//commands+=Command+ "end")? states+=State*
+		public Group getGroup() { return cGroup; }
+
+		//{Statemachine}
+		public Action getStatemachineAction_0() { return cStatemachineAction_0; }
+
+		//("events" events+=Event+ "end")?
+		public Group getGroup_1() { return cGroup_1; }
+
+		//"events"
+		public Keyword getEventsKeyword_1_0() { return cEventsKeyword_1_0; }
+
+		//events+=Event+
+		public Assignment getEventsAssignment_1_1() { return cEventsAssignment_1_1; }
+
+		//Event
+		public RuleCall getEventsEventParserRuleCall_1_1_0() { return cEventsEventParserRuleCall_1_1_0; }
+
+		//"end"
+		public Keyword getEndKeyword_1_2() { return cEndKeyword_1_2; }
+
+		//("resetEvents" resetEvents+=[Event]+ "end")?
+		public Group getGroup_2() { return cGroup_2; }
+
+		//"resetEvents"
+		public Keyword getResetEventsKeyword_2_0() { return cResetEventsKeyword_2_0; }
+
+		//resetEvents+=[Event]+
+		public Assignment getResetEventsAssignment_2_1() { return cResetEventsAssignment_2_1; }
+
+		//[Event]
+		public CrossReference getResetEventsEventCrossReference_2_1_0() { return cResetEventsEventCrossReference_2_1_0; }
+
+		//ID
+		public RuleCall getResetEventsEventIDTerminalRuleCall_2_1_0_1() { return cResetEventsEventIDTerminalRuleCall_2_1_0_1; }
+
+		//"end"
+		public Keyword getEndKeyword_2_2() { return cEndKeyword_2_2; }
+
+		//("commands" commands+=Command+ "end")?
+		public Group getGroup_3() { return cGroup_3; }
+
+		//"commands"
+		public Keyword getCommandsKeyword_3_0() { return cCommandsKeyword_3_0; }
+
+		//commands+=Command+
+		public Assignment getCommandsAssignment_3_1() { return cCommandsAssignment_3_1; }
+
+		//Command
+		public RuleCall getCommandsCommandParserRuleCall_3_1_0() { return cCommandsCommandParserRuleCall_3_1_0; }
+
+		//"end"
+		public Keyword getEndKeyword_3_2() { return cEndKeyword_3_2; }
+
+		//states+=State*
+		public Assignment getStatesAssignment_4() { return cStatesAssignment_4; }
+
+		//State
+		public RuleCall getStatesStateParserRuleCall_4_0() { return cStatesStateParserRuleCall_4_0; }
+	}
+
+	public class EventElements extends AbstractParserRuleElementFinder {
+		private final ParserRule rule = (ParserRule) GrammarUtil.findRuleForName(getGrammar(), "Event");
+		private final Group cGroup = (Group)rule.eContents().get(1);
+		private final Assignment cNameAssignment_0 = (Assignment)cGroup.eContents().get(0);
+		private final RuleCall cNameIDTerminalRuleCall_0_0 = (RuleCall)cNameAssignment_0.eContents().get(0);
+		private final Assignment cCodeAssignment_1 = (Assignment)cGroup.eContents().get(1);
+		private final RuleCall cCodeIDTerminalRuleCall_1_0 = (RuleCall)cCodeAssignment_1.eContents().get(0);
+		
+		//Event:
+		//	name=ID code=ID;
+		public ParserRule getRule() { return rule; }
+
+		//name=ID code=ID
+		public Group getGroup() { return cGroup; }
+
+		//name=ID
+		public Assignment getNameAssignment_0() { return cNameAssignment_0; }
+
+		//ID
+		public RuleCall getNameIDTerminalRuleCall_0_0() { return cNameIDTerminalRuleCall_0_0; }
+
+		//code=ID
+		public Assignment getCodeAssignment_1() { return cCodeAssignment_1; }
+
+		//ID
+		public RuleCall getCodeIDTerminalRuleCall_1_0() { return cCodeIDTerminalRuleCall_1_0; }
+	}
+
+	public class CommandElements extends AbstractParserRuleElementFinder {
+		private final ParserRule rule = (ParserRule) GrammarUtil.findRuleForName(getGrammar(), "Command");
+		private final Group cGroup = (Group)rule.eContents().get(1);
+		private final Assignment cNameAssignment_0 = (Assignment)cGroup.eContents().get(0);
+		private final RuleCall cNameIDTerminalRuleCall_0_0 = (RuleCall)cNameAssignment_0.eContents().get(0);
+		private final Assignment cCodeAssignment_1 = (Assignment)cGroup.eContents().get(1);
+		private final RuleCall cCodeIDTerminalRuleCall_1_0 = (RuleCall)cCodeAssignment_1.eContents().get(0);
+		
+		//Command:
+		//	name=ID code=ID;
+		public ParserRule getRule() { return rule; }
+
+		//name=ID code=ID
+		public Group getGroup() { return cGroup; }
+
+		//name=ID
+		public Assignment getNameAssignment_0() { return cNameAssignment_0; }
+
+		//ID
+		public RuleCall getNameIDTerminalRuleCall_0_0() { return cNameIDTerminalRuleCall_0_0; }
+
+		//code=ID
+		public Assignment getCodeAssignment_1() { return cCodeAssignment_1; }
+
+		//ID
+		public RuleCall getCodeIDTerminalRuleCall_1_0() { return cCodeIDTerminalRuleCall_1_0; }
+	}
+
+	public class StateElements extends AbstractParserRuleElementFinder {
+		private final ParserRule rule = (ParserRule) GrammarUtil.findRuleForName(getGrammar(), "State");
+		private final Group cGroup = (Group)rule.eContents().get(1);
+		private final Keyword cStateKeyword_0 = (Keyword)cGroup.eContents().get(0);
+		private final Assignment cNameAssignment_1 = (Assignment)cGroup.eContents().get(1);
+		private final RuleCall cNameIDTerminalRuleCall_1_0 = (RuleCall)cNameAssignment_1.eContents().get(0);
+		private final Group cGroup_2 = (Group)cGroup.eContents().get(2);
+		private final Keyword cActionsKeyword_2_0 = (Keyword)cGroup_2.eContents().get(0);
+		private final Keyword cLeftCurlyBracketKeyword_2_1 = (Keyword)cGroup_2.eContents().get(1);
+		private final Assignment cActionsAssignment_2_2 = (Assignment)cGroup_2.eContents().get(2);
+		private final CrossReference cActionsCommandCrossReference_2_2_0 = (CrossReference)cActionsAssignment_2_2.eContents().get(0);
+		private final RuleCall cActionsCommandIDTerminalRuleCall_2_2_0_1 = (RuleCall)cActionsCommandCrossReference_2_2_0.eContents().get(1);
+		private final Keyword cRightCurlyBracketKeyword_2_3 = (Keyword)cGroup_2.eContents().get(3);
+		private final Assignment cTransitionsAssignment_3 = (Assignment)cGroup.eContents().get(3);
+		private final RuleCall cTransitionsTransitionParserRuleCall_3_0 = (RuleCall)cTransitionsAssignment_3.eContents().get(0);
+		private final Keyword cEndKeyword_4 = (Keyword)cGroup.eContents().get(4);
+		
+		//State:
+		//	"state" name=ID ("actions" "{" actions+=[Command]+ "}")? transitions+=Transition* "end";
+		public ParserRule getRule() { return rule; }
+
+		//"state" name=ID ("actions" "{" actions+=[Command]+ "}")? transitions+=Transition* "end"
+		public Group getGroup() { return cGroup; }
+
+		//"state"
+		public Keyword getStateKeyword_0() { return cStateKeyword_0; }
+
+		//name=ID
+		public Assignment getNameAssignment_1() { return cNameAssignment_1; }
+
+		//ID
+		public RuleCall getNameIDTerminalRuleCall_1_0() { return cNameIDTerminalRuleCall_1_0; }
+
+		//("actions" "{" actions+=[Command]+ "}")?
+		public Group getGroup_2() { return cGroup_2; }
+
+		//"actions"
+		public Keyword getActionsKeyword_2_0() { return cActionsKeyword_2_0; }
+
+		//"{"
+		public Keyword getLeftCurlyBracketKeyword_2_1() { return cLeftCurlyBracketKeyword_2_1; }
+
+		//actions+=[Command]+
+		public Assignment getActionsAssignment_2_2() { return cActionsAssignment_2_2; }
+
+		//[Command]
+		public CrossReference getActionsCommandCrossReference_2_2_0() { return cActionsCommandCrossReference_2_2_0; }
+
+		//ID
+		public RuleCall getActionsCommandIDTerminalRuleCall_2_2_0_1() { return cActionsCommandIDTerminalRuleCall_2_2_0_1; }
+
+		//"}"
+		public Keyword getRightCurlyBracketKeyword_2_3() { return cRightCurlyBracketKeyword_2_3; }
+
+		//transitions+=Transition*
+		public Assignment getTransitionsAssignment_3() { return cTransitionsAssignment_3; }
+
+		//Transition
+		public RuleCall getTransitionsTransitionParserRuleCall_3_0() { return cTransitionsTransitionParserRuleCall_3_0; }
+
+		//"end"
+		public Keyword getEndKeyword_4() { return cEndKeyword_4; }
+	}
+
+	public class TransitionElements extends AbstractParserRuleElementFinder {
+		private final ParserRule rule = (ParserRule) GrammarUtil.findRuleForName(getGrammar(), "Transition");
+		private final Group cGroup = (Group)rule.eContents().get(1);
+		private final Assignment cEventAssignment_0 = (Assignment)cGroup.eContents().get(0);
+		private final CrossReference cEventEventCrossReference_0_0 = (CrossReference)cEventAssignment_0.eContents().get(0);
+		private final RuleCall cEventEventIDTerminalRuleCall_0_0_1 = (RuleCall)cEventEventCrossReference_0_0.eContents().get(1);
+		private final Keyword cEqualsSignGreaterThanSignKeyword_1 = (Keyword)cGroup.eContents().get(1);
+		private final Assignment cStateAssignment_2 = (Assignment)cGroup.eContents().get(2);
+		private final CrossReference cStateStateCrossReference_2_0 = (CrossReference)cStateAssignment_2.eContents().get(0);
+		private final RuleCall cStateStateIDTerminalRuleCall_2_0_1 = (RuleCall)cStateStateCrossReference_2_0.eContents().get(1);
+		
+		//Transition:
+		//	event=[Event] "=>" state=[State];
+		public ParserRule getRule() { return rule; }
+
+		//event=[Event] "=>" state=[State]
+		public Group getGroup() { return cGroup; }
+
+		//event=[Event]
+		public Assignment getEventAssignment_0() { return cEventAssignment_0; }
+
+		//[Event]
+		public CrossReference getEventEventCrossReference_0_0() { return cEventEventCrossReference_0_0; }
+
+		//ID
+		public RuleCall getEventEventIDTerminalRuleCall_0_0_1() { return cEventEventIDTerminalRuleCall_0_0_1; }
+
+		//"=>"
+		public Keyword getEqualsSignGreaterThanSignKeyword_1() { return cEqualsSignGreaterThanSignKeyword_1; }
+
+		//state=[State]
+		public Assignment getStateAssignment_2() { return cStateAssignment_2; }
+
+		//[State]
+		public CrossReference getStateStateCrossReference_2_0() { return cStateStateCrossReference_2_0; }
+
+		//ID
+		public RuleCall getStateStateIDTerminalRuleCall_2_0_1() { return cStateStateIDTerminalRuleCall_2_0_1; }
+	}
+	
+	
+	private StatemachineElements pStatemachine;
+	private EventElements pEvent;
+	private CommandElements pCommand;
+	private StateElements pState;
+	private TransitionElements pTransition;
+	
+	private final GrammarProvider grammarProvider;
+
+	private TerminalsGrammarAccess gaTerminals;
+
+	@Inject
+	public StatemachineGrammarAccess(GrammarProvider grammarProvider,
+		TerminalsGrammarAccess gaTerminals) {
+		this.grammarProvider = grammarProvider;
+		this.gaTerminals = gaTerminals;
+	}
+	
+	public Grammar getGrammar() {	
+		return grammarProvider.getGrammar(this);
+	}
+	
+
+	public TerminalsGrammarAccess getTerminalsGrammarAccess() {
+		return gaTerminals;
+	}
+
+	
+	//Statemachine:
+	//	{Statemachine} ("events" events+=Event+ "end")? ("resetEvents" resetEvents+=[Event]+ "end")? ("commands"
+	//	commands+=Command+ "end")? states+=State*;
+	public StatemachineElements getStatemachineAccess() {
+		return (pStatemachine != null) ? pStatemachine : (pStatemachine = new StatemachineElements());
+	}
+	
+	public ParserRule getStatemachineRule() {
+		return getStatemachineAccess().getRule();
+	}
+
+	//Event:
+	//	name=ID code=ID;
+	public EventElements getEventAccess() {
+		return (pEvent != null) ? pEvent : (pEvent = new EventElements());
+	}
+	
+	public ParserRule getEventRule() {
+		return getEventAccess().getRule();
+	}
+
+	//Command:
+	//	name=ID code=ID;
+	public CommandElements getCommandAccess() {
+		return (pCommand != null) ? pCommand : (pCommand = new CommandElements());
+	}
+	
+	public ParserRule getCommandRule() {
+		return getCommandAccess().getRule();
+	}
+
+	//State:
+	//	"state" name=ID ("actions" "{" actions+=[Command]+ "}")? transitions+=Transition* "end";
+	public StateElements getStateAccess() {
+		return (pState != null) ? pState : (pState = new StateElements());
+	}
+	
+	public ParserRule getStateRule() {
+		return getStateAccess().getRule();
+	}
+
+	//Transition:
+	//	event=[Event] "=>" state=[State];
+	public TransitionElements getTransitionAccess() {
+		return (pTransition != null) ? pTransition : (pTransition = new TransitionElements());
+	}
+	
+	public ParserRule getTransitionRule() {
+		return getTransitionAccess().getRule();
+	}
+
+	//terminal ID:
+	//	"^"? ("a".."z" | "A".."Z" | "_") ("a".."z" | "A".."Z" | "_" | "0".."9")*;
+	public TerminalRule getIDRule() {
+		return gaTerminals.getIDRule();
+	} 
+
+	//terminal INT returns ecore::EInt:
+	//	"0".."9"+;
+	public TerminalRule getINTRule() {
+		return gaTerminals.getINTRule();
+	} 
+
+	//terminal STRING:
+	//	"\"" ("\\" ("b" | "t" | "n" | "f" | "r" | "u" | "\"" | "\'" | "\\") | !("\\" | "\""))* "\"" | "\'" ("\\" ("b" | "t" |
+	//	"n" | "f" | "r" | "u" | "\"" | "\'" | "\\") | !("\\" | "\'"))* "\'";
+	public TerminalRule getSTRINGRule() {
+		return gaTerminals.getSTRINGRule();
+	} 
+
+	//terminal ML_COMMENT:
+	//	"/ *"->"* /";
+	public TerminalRule getML_COMMENTRule() {
+		return gaTerminals.getML_COMMENTRule();
+	} 
+
+	//terminal SL_COMMENT:
+	//	"//" !("\n" | "\r")* ("\r"? "\n")?;
+	public TerminalRule getSL_COMMENTRule() {
+		return gaTerminals.getSL_COMMENTRule();
+	} 
+
+	//terminal WS:
+	//	(" " | "\t" | "\r" | "\n")+;
+	public TerminalRule getWSRule() {
+		return gaTerminals.getWSRule();
+	} 
+
+	//terminal ANY_OTHER:
+	//	.;
+	public TerminalRule getANY_OTHERRule() {
+		return gaTerminals.getANY_OTHERRule();
+	} 
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/Command.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/Command.java
new file mode 100644
index 0000000..66ce3da
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/Command.java
@@ -0,0 +1,81 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.fowlerdsl.statemachine;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Command</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Command#getName <em>Name</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Command#getCode <em>Code</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage#getCommand()
+ * @model
+ * @generated
+ */
+public interface Command extends EObject
+{
+  /**
+   * Returns the value of the '<em><b>Name</b></em>' attribute.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Name</em>' attribute isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Name</em>' attribute.
+   * @see #setName(String)
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage#getCommand_Name()
+   * @model
+   * @generated
+   */
+  String getName();
+
+  /**
+   * Sets the value of the '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Command#getName <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param value the new value of the '<em>Name</em>' attribute.
+   * @see #getName()
+   * @generated
+   */
+  void setName(String value);
+
+  /**
+   * Returns the value of the '<em><b>Code</b></em>' attribute.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Code</em>' attribute isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Code</em>' attribute.
+   * @see #setCode(String)
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage#getCommand_Code()
+   * @model
+   * @generated
+   */
+  String getCode();
+
+  /**
+   * Sets the value of the '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Command#getCode <em>Code</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param value the new value of the '<em>Code</em>' attribute.
+   * @see #getCode()
+   * @generated
+   */
+  void setCode(String value);
+
+} // Command
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/Event.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/Event.java
new file mode 100644
index 0000000..4eb4002
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/Event.java
@@ -0,0 +1,81 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.fowlerdsl.statemachine;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Event</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Event#getName <em>Name</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Event#getCode <em>Code</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage#getEvent()
+ * @model
+ * @generated
+ */
+public interface Event extends EObject
+{
+  /**
+   * Returns the value of the '<em><b>Name</b></em>' attribute.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Name</em>' attribute isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Name</em>' attribute.
+   * @see #setName(String)
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage#getEvent_Name()
+   * @model
+   * @generated
+   */
+  String getName();
+
+  /**
+   * Sets the value of the '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Event#getName <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param value the new value of the '<em>Name</em>' attribute.
+   * @see #getName()
+   * @generated
+   */
+  void setName(String value);
+
+  /**
+   * Returns the value of the '<em><b>Code</b></em>' attribute.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Code</em>' attribute isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Code</em>' attribute.
+   * @see #setCode(String)
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage#getEvent_Code()
+   * @model
+   * @generated
+   */
+  String getCode();
+
+  /**
+   * Sets the value of the '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Event#getCode <em>Code</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param value the new value of the '<em>Code</em>' attribute.
+   * @see #getCode()
+   * @generated
+   */
+  void setCode(String value);
+
+} // Event
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/State.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/State.java
new file mode 100644
index 0000000..4cfa7f0
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/State.java
@@ -0,0 +1,90 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.fowlerdsl.statemachine;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>State</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.State#getName <em>Name</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.State#getActions <em>Actions</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.State#getTransitions <em>Transitions</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage#getState()
+ * @model
+ * @generated
+ */
+public interface State extends EObject
+{
+  /**
+   * Returns the value of the '<em><b>Name</b></em>' attribute.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Name</em>' attribute isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Name</em>' attribute.
+   * @see #setName(String)
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage#getState_Name()
+   * @model
+   * @generated
+   */
+  String getName();
+
+  /**
+   * Sets the value of the '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.State#getName <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param value the new value of the '<em>Name</em>' attribute.
+   * @see #getName()
+   * @generated
+   */
+  void setName(String value);
+
+  /**
+   * Returns the value of the '<em><b>Actions</b></em>' reference list.
+   * The list contents are of type {@link org.eclipse.xtext.example.fowlerdsl.statemachine.Command}.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Actions</em>' reference list isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Actions</em>' reference list.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage#getState_Actions()
+   * @model
+   * @generated
+   */
+  EList<Command> getActions();
+
+  /**
+   * Returns the value of the '<em><b>Transitions</b></em>' containment reference list.
+   * The list contents are of type {@link org.eclipse.xtext.example.fowlerdsl.statemachine.Transition}.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Transitions</em>' containment reference list isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Transitions</em>' containment reference list.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage#getState_Transitions()
+   * @model containment="true"
+   * @generated
+   */
+  EList<Transition> getTransitions();
+
+} // State
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/Statemachine.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/Statemachine.java
new file mode 100644
index 0000000..215aa75
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/Statemachine.java
@@ -0,0 +1,97 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.fowlerdsl.statemachine;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Statemachine</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Statemachine#getEvents <em>Events</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Statemachine#getResetEvents <em>Reset Events</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Statemachine#getCommands <em>Commands</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Statemachine#getStates <em>States</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage#getStatemachine()
+ * @model
+ * @generated
+ */
+public interface Statemachine extends EObject
+{
+  /**
+   * Returns the value of the '<em><b>Events</b></em>' containment reference list.
+   * The list contents are of type {@link org.eclipse.xtext.example.fowlerdsl.statemachine.Event}.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Events</em>' containment reference list isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Events</em>' containment reference list.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage#getStatemachine_Events()
+   * @model containment="true"
+   * @generated
+   */
+  EList<Event> getEvents();
+
+  /**
+   * Returns the value of the '<em><b>Reset Events</b></em>' reference list.
+   * The list contents are of type {@link org.eclipse.xtext.example.fowlerdsl.statemachine.Event}.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Reset Events</em>' reference list isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Reset Events</em>' reference list.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage#getStatemachine_ResetEvents()
+   * @model
+   * @generated
+   */
+  EList<Event> getResetEvents();
+
+  /**
+   * Returns the value of the '<em><b>Commands</b></em>' containment reference list.
+   * The list contents are of type {@link org.eclipse.xtext.example.fowlerdsl.statemachine.Command}.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Commands</em>' containment reference list isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Commands</em>' containment reference list.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage#getStatemachine_Commands()
+   * @model containment="true"
+   * @generated
+   */
+  EList<Command> getCommands();
+
+  /**
+   * Returns the value of the '<em><b>States</b></em>' containment reference list.
+   * The list contents are of type {@link org.eclipse.xtext.example.fowlerdsl.statemachine.State}.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>States</em>' containment reference list isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>States</em>' containment reference list.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage#getStatemachine_States()
+   * @model containment="true"
+   * @generated
+   */
+  EList<State> getStates();
+
+} // Statemachine
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/StatemachineFactory.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/StatemachineFactory.java
new file mode 100644
index 0000000..73870cc
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/StatemachineFactory.java
@@ -0,0 +1,82 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.fowlerdsl.statemachine;
+
+import org.eclipse.emf.ecore.EFactory;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Factory</b> for the model.
+ * It provides a create method for each non-abstract class of the model.
+ * <!-- end-user-doc -->
+ * @see org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage
+ * @generated
+ */
+public interface StatemachineFactory extends EFactory
+{
+  /**
+   * The singleton instance of the factory.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  StatemachineFactory eINSTANCE = org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StatemachineFactoryImpl.init();
+
+  /**
+   * Returns a new object of class '<em>Statemachine</em>'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return a new object of class '<em>Statemachine</em>'.
+   * @generated
+   */
+  Statemachine createStatemachine();
+
+  /**
+   * Returns a new object of class '<em>Event</em>'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return a new object of class '<em>Event</em>'.
+   * @generated
+   */
+  Event createEvent();
+
+  /**
+   * Returns a new object of class '<em>Command</em>'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return a new object of class '<em>Command</em>'.
+   * @generated
+   */
+  Command createCommand();
+
+  /**
+   * Returns a new object of class '<em>State</em>'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return a new object of class '<em>State</em>'.
+   * @generated
+   */
+  State createState();
+
+  /**
+   * Returns a new object of class '<em>Transition</em>'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return a new object of class '<em>Transition</em>'.
+   * @generated
+   */
+  Transition createTransition();
+
+  /**
+   * Returns the package supported by this factory.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the package supported by this factory.
+   * @generated
+   */
+  StatemachinePackage getStatemachinePackage();
+
+} //StatemachineFactory
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/StatemachinePackage.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/StatemachinePackage.java
new file mode 100644
index 0000000..a181032
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/StatemachinePackage.java
@@ -0,0 +1,647 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.fowlerdsl.statemachine;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Package</b> for the model.
+ * It contains accessors for the meta objects to represent
+ * <ul>
+ *   <li>each class,</li>
+ *   <li>each feature of each class,</li>
+ *   <li>each enum,</li>
+ *   <li>and each data type</li>
+ * </ul>
+ * <!-- end-user-doc -->
+ * @see org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachineFactory
+ * @model kind="package"
+ * @generated
+ */
+public interface StatemachinePackage extends EPackage
+{
+  /**
+   * The package name.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  String eNAME = "statemachine";
+
+  /**
+   * The package namespace URI.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  String eNS_URI = "http://www.eclipse.org/xtext/example/fowlerdsl/Statemachine";
+
+  /**
+   * The package namespace name.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  String eNS_PREFIX = "statemachine";
+
+  /**
+   * The singleton instance of the package.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  StatemachinePackage eINSTANCE = org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StatemachinePackageImpl.init();
+
+  /**
+   * The meta object id for the '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StatemachineImpl <em>Statemachine</em>}' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StatemachineImpl
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StatemachinePackageImpl#getStatemachine()
+   * @generated
+   */
+  int STATEMACHINE = 0;
+
+  /**
+   * The feature id for the '<em><b>Events</b></em>' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int STATEMACHINE__EVENTS = 0;
+
+  /**
+   * The feature id for the '<em><b>Reset Events</b></em>' reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int STATEMACHINE__RESET_EVENTS = 1;
+
+  /**
+   * The feature id for the '<em><b>Commands</b></em>' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int STATEMACHINE__COMMANDS = 2;
+
+  /**
+   * The feature id for the '<em><b>States</b></em>' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int STATEMACHINE__STATES = 3;
+
+  /**
+   * The number of structural features of the '<em>Statemachine</em>' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int STATEMACHINE_FEATURE_COUNT = 4;
+
+  /**
+   * The meta object id for the '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.impl.EventImpl <em>Event</em>}' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.impl.EventImpl
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StatemachinePackageImpl#getEvent()
+   * @generated
+   */
+  int EVENT = 1;
+
+  /**
+   * The feature id for the '<em><b>Name</b></em>' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int EVENT__NAME = 0;
+
+  /**
+   * The feature id for the '<em><b>Code</b></em>' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int EVENT__CODE = 1;
+
+  /**
+   * The number of structural features of the '<em>Event</em>' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int EVENT_FEATURE_COUNT = 2;
+
+  /**
+   * The meta object id for the '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.impl.CommandImpl <em>Command</em>}' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.impl.CommandImpl
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StatemachinePackageImpl#getCommand()
+   * @generated
+   */
+  int COMMAND = 2;
+
+  /**
+   * The feature id for the '<em><b>Name</b></em>' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int COMMAND__NAME = 0;
+
+  /**
+   * The feature id for the '<em><b>Code</b></em>' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int COMMAND__CODE = 1;
+
+  /**
+   * The number of structural features of the '<em>Command</em>' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int COMMAND_FEATURE_COUNT = 2;
+
+  /**
+   * The meta object id for the '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StateImpl <em>State</em>}' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StateImpl
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StatemachinePackageImpl#getState()
+   * @generated
+   */
+  int STATE = 3;
+
+  /**
+   * The feature id for the '<em><b>Name</b></em>' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int STATE__NAME = 0;
+
+  /**
+   * The feature id for the '<em><b>Actions</b></em>' reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int STATE__ACTIONS = 1;
+
+  /**
+   * The feature id for the '<em><b>Transitions</b></em>' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int STATE__TRANSITIONS = 2;
+
+  /**
+   * The number of structural features of the '<em>State</em>' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int STATE_FEATURE_COUNT = 3;
+
+  /**
+   * The meta object id for the '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.impl.TransitionImpl <em>Transition</em>}' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.impl.TransitionImpl
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StatemachinePackageImpl#getTransition()
+   * @generated
+   */
+  int TRANSITION = 4;
+
+  /**
+   * The feature id for the '<em><b>Event</b></em>' reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int TRANSITION__EVENT = 0;
+
+  /**
+   * The feature id for the '<em><b>State</b></em>' reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int TRANSITION__STATE = 1;
+
+  /**
+   * The number of structural features of the '<em>Transition</em>' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int TRANSITION_FEATURE_COUNT = 2;
+
+
+  /**
+   * Returns the meta object for class '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Statemachine <em>Statemachine</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for class '<em>Statemachine</em>'.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.Statemachine
+   * @generated
+   */
+  EClass getStatemachine();
+
+  /**
+   * Returns the meta object for the containment reference list '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Statemachine#getEvents <em>Events</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the containment reference list '<em>Events</em>'.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.Statemachine#getEvents()
+   * @see #getStatemachine()
+   * @generated
+   */
+  EReference getStatemachine_Events();
+
+  /**
+   * Returns the meta object for the reference list '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Statemachine#getResetEvents <em>Reset Events</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the reference list '<em>Reset Events</em>'.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.Statemachine#getResetEvents()
+   * @see #getStatemachine()
+   * @generated
+   */
+  EReference getStatemachine_ResetEvents();
+
+  /**
+   * Returns the meta object for the containment reference list '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Statemachine#getCommands <em>Commands</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the containment reference list '<em>Commands</em>'.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.Statemachine#getCommands()
+   * @see #getStatemachine()
+   * @generated
+   */
+  EReference getStatemachine_Commands();
+
+  /**
+   * Returns the meta object for the containment reference list '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Statemachine#getStates <em>States</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the containment reference list '<em>States</em>'.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.Statemachine#getStates()
+   * @see #getStatemachine()
+   * @generated
+   */
+  EReference getStatemachine_States();
+
+  /**
+   * Returns the meta object for class '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Event <em>Event</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for class '<em>Event</em>'.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.Event
+   * @generated
+   */
+  EClass getEvent();
+
+  /**
+   * Returns the meta object for the attribute '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Event#getName <em>Name</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the attribute '<em>Name</em>'.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.Event#getName()
+   * @see #getEvent()
+   * @generated
+   */
+  EAttribute getEvent_Name();
+
+  /**
+   * Returns the meta object for the attribute '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Event#getCode <em>Code</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the attribute '<em>Code</em>'.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.Event#getCode()
+   * @see #getEvent()
+   * @generated
+   */
+  EAttribute getEvent_Code();
+
+  /**
+   * Returns the meta object for class '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Command <em>Command</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for class '<em>Command</em>'.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.Command
+   * @generated
+   */
+  EClass getCommand();
+
+  /**
+   * Returns the meta object for the attribute '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Command#getName <em>Name</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the attribute '<em>Name</em>'.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.Command#getName()
+   * @see #getCommand()
+   * @generated
+   */
+  EAttribute getCommand_Name();
+
+  /**
+   * Returns the meta object for the attribute '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Command#getCode <em>Code</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the attribute '<em>Code</em>'.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.Command#getCode()
+   * @see #getCommand()
+   * @generated
+   */
+  EAttribute getCommand_Code();
+
+  /**
+   * Returns the meta object for class '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.State <em>State</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for class '<em>State</em>'.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.State
+   * @generated
+   */
+  EClass getState();
+
+  /**
+   * Returns the meta object for the attribute '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.State#getName <em>Name</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the attribute '<em>Name</em>'.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.State#getName()
+   * @see #getState()
+   * @generated
+   */
+  EAttribute getState_Name();
+
+  /**
+   * Returns the meta object for the reference list '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.State#getActions <em>Actions</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the reference list '<em>Actions</em>'.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.State#getActions()
+   * @see #getState()
+   * @generated
+   */
+  EReference getState_Actions();
+
+  /**
+   * Returns the meta object for the containment reference list '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.State#getTransitions <em>Transitions</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the containment reference list '<em>Transitions</em>'.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.State#getTransitions()
+   * @see #getState()
+   * @generated
+   */
+  EReference getState_Transitions();
+
+  /**
+   * Returns the meta object for class '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Transition <em>Transition</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for class '<em>Transition</em>'.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.Transition
+   * @generated
+   */
+  EClass getTransition();
+
+  /**
+   * Returns the meta object for the reference '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Transition#getEvent <em>Event</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the reference '<em>Event</em>'.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.Transition#getEvent()
+   * @see #getTransition()
+   * @generated
+   */
+  EReference getTransition_Event();
+
+  /**
+   * Returns the meta object for the reference '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Transition#getState <em>State</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the reference '<em>State</em>'.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.Transition#getState()
+   * @see #getTransition()
+   * @generated
+   */
+  EReference getTransition_State();
+
+  /**
+   * Returns the factory that creates the instances of the model.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the factory that creates the instances of the model.
+   * @generated
+   */
+  StatemachineFactory getStatemachineFactory();
+
+  /**
+   * <!-- begin-user-doc -->
+   * Defines literals for the meta objects that represent
+   * <ul>
+   *   <li>each class,</li>
+   *   <li>each feature of each class,</li>
+   *   <li>each enum,</li>
+   *   <li>and each data type</li>
+   * </ul>
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  interface Literals
+  {
+    /**
+     * The meta object literal for the '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StatemachineImpl <em>Statemachine</em>}' class.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @see org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StatemachineImpl
+     * @see org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StatemachinePackageImpl#getStatemachine()
+     * @generated
+     */
+    EClass STATEMACHINE = eINSTANCE.getStatemachine();
+
+    /**
+     * The meta object literal for the '<em><b>Events</b></em>' containment reference list feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference STATEMACHINE__EVENTS = eINSTANCE.getStatemachine_Events();
+
+    /**
+     * The meta object literal for the '<em><b>Reset Events</b></em>' reference list feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference STATEMACHINE__RESET_EVENTS = eINSTANCE.getStatemachine_ResetEvents();
+
+    /**
+     * The meta object literal for the '<em><b>Commands</b></em>' containment reference list feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference STATEMACHINE__COMMANDS = eINSTANCE.getStatemachine_Commands();
+
+    /**
+     * The meta object literal for the '<em><b>States</b></em>' containment reference list feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference STATEMACHINE__STATES = eINSTANCE.getStatemachine_States();
+
+    /**
+     * The meta object literal for the '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.impl.EventImpl <em>Event</em>}' class.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @see org.eclipse.xtext.example.fowlerdsl.statemachine.impl.EventImpl
+     * @see org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StatemachinePackageImpl#getEvent()
+     * @generated
+     */
+    EClass EVENT = eINSTANCE.getEvent();
+
+    /**
+     * The meta object literal for the '<em><b>Name</b></em>' attribute feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EAttribute EVENT__NAME = eINSTANCE.getEvent_Name();
+
+    /**
+     * The meta object literal for the '<em><b>Code</b></em>' attribute feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EAttribute EVENT__CODE = eINSTANCE.getEvent_Code();
+
+    /**
+     * The meta object literal for the '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.impl.CommandImpl <em>Command</em>}' class.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @see org.eclipse.xtext.example.fowlerdsl.statemachine.impl.CommandImpl
+     * @see org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StatemachinePackageImpl#getCommand()
+     * @generated
+     */
+    EClass COMMAND = eINSTANCE.getCommand();
+
+    /**
+     * The meta object literal for the '<em><b>Name</b></em>' attribute feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EAttribute COMMAND__NAME = eINSTANCE.getCommand_Name();
+
+    /**
+     * The meta object literal for the '<em><b>Code</b></em>' attribute feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EAttribute COMMAND__CODE = eINSTANCE.getCommand_Code();
+
+    /**
+     * The meta object literal for the '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StateImpl <em>State</em>}' class.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @see org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StateImpl
+     * @see org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StatemachinePackageImpl#getState()
+     * @generated
+     */
+    EClass STATE = eINSTANCE.getState();
+
+    /**
+     * The meta object literal for the '<em><b>Name</b></em>' attribute feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EAttribute STATE__NAME = eINSTANCE.getState_Name();
+
+    /**
+     * The meta object literal for the '<em><b>Actions</b></em>' reference list feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference STATE__ACTIONS = eINSTANCE.getState_Actions();
+
+    /**
+     * The meta object literal for the '<em><b>Transitions</b></em>' containment reference list feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference STATE__TRANSITIONS = eINSTANCE.getState_Transitions();
+
+    /**
+     * The meta object literal for the '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.impl.TransitionImpl <em>Transition</em>}' class.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @see org.eclipse.xtext.example.fowlerdsl.statemachine.impl.TransitionImpl
+     * @see org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StatemachinePackageImpl#getTransition()
+     * @generated
+     */
+    EClass TRANSITION = eINSTANCE.getTransition();
+
+    /**
+     * The meta object literal for the '<em><b>Event</b></em>' reference feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference TRANSITION__EVENT = eINSTANCE.getTransition_Event();
+
+    /**
+     * The meta object literal for the '<em><b>State</b></em>' reference feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference TRANSITION__STATE = eINSTANCE.getTransition_State();
+
+  }
+
+} //StatemachinePackage
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/Transition.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/Transition.java
new file mode 100644
index 0000000..371407f
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/Transition.java
@@ -0,0 +1,81 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.fowlerdsl.statemachine;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Transition</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Transition#getEvent <em>Event</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Transition#getState <em>State</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage#getTransition()
+ * @model
+ * @generated
+ */
+public interface Transition extends EObject
+{
+  /**
+   * Returns the value of the '<em><b>Event</b></em>' reference.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Event</em>' reference isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Event</em>' reference.
+   * @see #setEvent(Event)
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage#getTransition_Event()
+   * @model
+   * @generated
+   */
+  Event getEvent();
+
+  /**
+   * Sets the value of the '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Transition#getEvent <em>Event</em>}' reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param value the new value of the '<em>Event</em>' reference.
+   * @see #getEvent()
+   * @generated
+   */
+  void setEvent(Event value);
+
+  /**
+   * Returns the value of the '<em><b>State</b></em>' reference.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>State</em>' reference isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>State</em>' reference.
+   * @see #setState(State)
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage#getTransition_State()
+   * @model
+   * @generated
+   */
+  State getState();
+
+  /**
+   * Sets the value of the '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Transition#getState <em>State</em>}' reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param value the new value of the '<em>State</em>' reference.
+   * @see #getState()
+   * @generated
+   */
+  void setState(State value);
+
+} // Transition
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/impl/CommandImpl.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/impl/CommandImpl.java
new file mode 100644
index 0000000..db5ed68
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/impl/CommandImpl.java
@@ -0,0 +1,236 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.fowlerdsl.statemachine.impl;
+
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.xtext.example.fowlerdsl.statemachine.Command;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Command</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.impl.CommandImpl#getName <em>Name</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.impl.CommandImpl#getCode <em>Code</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class CommandImpl extends MinimalEObjectImpl.Container implements Command
+{
+  /**
+   * The default value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected static final String NAME_EDEFAULT = null;
+
+  /**
+   * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected String name = NAME_EDEFAULT;
+
+  /**
+   * The default value of the '{@link #getCode() <em>Code</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getCode()
+   * @generated
+   * @ordered
+   */
+  protected static final String CODE_EDEFAULT = null;
+
+  /**
+   * The cached value of the '{@link #getCode() <em>Code</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getCode()
+   * @generated
+   * @ordered
+   */
+  protected String code = CODE_EDEFAULT;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected CommandImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return StatemachinePackage.Literals.COMMAND;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public String getName()
+  {
+    return name;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setName(String newName)
+  {
+    String oldName = name;
+    name = newName;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, StatemachinePackage.COMMAND__NAME, oldName, name));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public String getCode()
+  {
+    return code;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setCode(String newCode)
+  {
+    String oldCode = code;
+    code = newCode;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, StatemachinePackage.COMMAND__CODE, oldCode, code));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case StatemachinePackage.COMMAND__NAME:
+        return getName();
+      case StatemachinePackage.COMMAND__CODE:
+        return getCode();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case StatemachinePackage.COMMAND__NAME:
+        setName((String)newValue);
+        return;
+      case StatemachinePackage.COMMAND__CODE:
+        setCode((String)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case StatemachinePackage.COMMAND__NAME:
+        setName(NAME_EDEFAULT);
+        return;
+      case StatemachinePackage.COMMAND__CODE:
+        setCode(CODE_EDEFAULT);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case StatemachinePackage.COMMAND__NAME:
+        return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
+      case StatemachinePackage.COMMAND__CODE:
+        return CODE_EDEFAULT == null ? code != null : !CODE_EDEFAULT.equals(code);
+    }
+    return super.eIsSet(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String toString()
+  {
+    if (eIsProxy()) return super.toString();
+
+    StringBuffer result = new StringBuffer(super.toString());
+    result.append(" (name: ");
+    result.append(name);
+    result.append(", code: ");
+    result.append(code);
+    result.append(')');
+    return result.toString();
+  }
+
+} //CommandImpl
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/impl/EventImpl.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/impl/EventImpl.java
new file mode 100644
index 0000000..fd99bbd
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/impl/EventImpl.java
@@ -0,0 +1,236 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.fowlerdsl.statemachine.impl;
+
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.xtext.example.fowlerdsl.statemachine.Event;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Event</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.impl.EventImpl#getName <em>Name</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.impl.EventImpl#getCode <em>Code</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class EventImpl extends MinimalEObjectImpl.Container implements Event
+{
+  /**
+   * The default value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected static final String NAME_EDEFAULT = null;
+
+  /**
+   * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected String name = NAME_EDEFAULT;
+
+  /**
+   * The default value of the '{@link #getCode() <em>Code</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getCode()
+   * @generated
+   * @ordered
+   */
+  protected static final String CODE_EDEFAULT = null;
+
+  /**
+   * The cached value of the '{@link #getCode() <em>Code</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getCode()
+   * @generated
+   * @ordered
+   */
+  protected String code = CODE_EDEFAULT;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected EventImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return StatemachinePackage.Literals.EVENT;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public String getName()
+  {
+    return name;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setName(String newName)
+  {
+    String oldName = name;
+    name = newName;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, StatemachinePackage.EVENT__NAME, oldName, name));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public String getCode()
+  {
+    return code;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setCode(String newCode)
+  {
+    String oldCode = code;
+    code = newCode;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, StatemachinePackage.EVENT__CODE, oldCode, code));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case StatemachinePackage.EVENT__NAME:
+        return getName();
+      case StatemachinePackage.EVENT__CODE:
+        return getCode();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case StatemachinePackage.EVENT__NAME:
+        setName((String)newValue);
+        return;
+      case StatemachinePackage.EVENT__CODE:
+        setCode((String)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case StatemachinePackage.EVENT__NAME:
+        setName(NAME_EDEFAULT);
+        return;
+      case StatemachinePackage.EVENT__CODE:
+        setCode(CODE_EDEFAULT);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case StatemachinePackage.EVENT__NAME:
+        return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
+      case StatemachinePackage.EVENT__CODE:
+        return CODE_EDEFAULT == null ? code != null : !CODE_EDEFAULT.equals(code);
+    }
+    return super.eIsSet(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String toString()
+  {
+    if (eIsProxy()) return super.toString();
+
+    StringBuffer result = new StringBuffer(super.toString());
+    result.append(" (name: ");
+    result.append(name);
+    result.append(", code: ");
+    result.append(code);
+    result.append(')');
+    return result.toString();
+  }
+
+} //EventImpl
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/impl/StateImpl.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/impl/StateImpl.java
new file mode 100644
index 0000000..28afe4d
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/impl/StateImpl.java
@@ -0,0 +1,281 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.fowlerdsl.statemachine.impl;
+
+import java.util.Collection;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.EObjectResolvingEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+
+import org.eclipse.xtext.example.fowlerdsl.statemachine.Command;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.State;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.Transition;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>State</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StateImpl#getName <em>Name</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StateImpl#getActions <em>Actions</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StateImpl#getTransitions <em>Transitions</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class StateImpl extends MinimalEObjectImpl.Container implements State
+{
+  /**
+   * The default value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected static final String NAME_EDEFAULT = null;
+
+  /**
+   * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected String name = NAME_EDEFAULT;
+
+  /**
+   * The cached value of the '{@link #getActions() <em>Actions</em>}' reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getActions()
+   * @generated
+   * @ordered
+   */
+  protected EList<Command> actions;
+
+  /**
+   * The cached value of the '{@link #getTransitions() <em>Transitions</em>}' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getTransitions()
+   * @generated
+   * @ordered
+   */
+  protected EList<Transition> transitions;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected StateImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return StatemachinePackage.Literals.STATE;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public String getName()
+  {
+    return name;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setName(String newName)
+  {
+    String oldName = name;
+    name = newName;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, StatemachinePackage.STATE__NAME, oldName, name));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EList<Command> getActions()
+  {
+    if (actions == null)
+    {
+      actions = new EObjectResolvingEList<Command>(Command.class, this, StatemachinePackage.STATE__ACTIONS);
+    }
+    return actions;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EList<Transition> getTransitions()
+  {
+    if (transitions == null)
+    {
+      transitions = new EObjectContainmentEList<Transition>(Transition.class, this, StatemachinePackage.STATE__TRANSITIONS);
+    }
+    return transitions;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case StatemachinePackage.STATE__TRANSITIONS:
+        return ((InternalEList<?>)getTransitions()).basicRemove(otherEnd, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case StatemachinePackage.STATE__NAME:
+        return getName();
+      case StatemachinePackage.STATE__ACTIONS:
+        return getActions();
+      case StatemachinePackage.STATE__TRANSITIONS:
+        return getTransitions();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @SuppressWarnings("unchecked")
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case StatemachinePackage.STATE__NAME:
+        setName((String)newValue);
+        return;
+      case StatemachinePackage.STATE__ACTIONS:
+        getActions().clear();
+        getActions().addAll((Collection<? extends Command>)newValue);
+        return;
+      case StatemachinePackage.STATE__TRANSITIONS:
+        getTransitions().clear();
+        getTransitions().addAll((Collection<? extends Transition>)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case StatemachinePackage.STATE__NAME:
+        setName(NAME_EDEFAULT);
+        return;
+      case StatemachinePackage.STATE__ACTIONS:
+        getActions().clear();
+        return;
+      case StatemachinePackage.STATE__TRANSITIONS:
+        getTransitions().clear();
+        return;
+    }
+    super.eUnset(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case StatemachinePackage.STATE__NAME:
+        return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
+      case StatemachinePackage.STATE__ACTIONS:
+        return actions != null && !actions.isEmpty();
+      case StatemachinePackage.STATE__TRANSITIONS:
+        return transitions != null && !transitions.isEmpty();
+    }
+    return super.eIsSet(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String toString()
+  {
+    if (eIsProxy()) return super.toString();
+
+    StringBuffer result = new StringBuffer(super.toString());
+    result.append(" (name: ");
+    result.append(name);
+    result.append(')');
+    return result.toString();
+  }
+
+} //StateImpl
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/impl/StatemachineFactoryImpl.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/impl/StatemachineFactoryImpl.java
new file mode 100644
index 0000000..ce47f67
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/impl/StatemachineFactoryImpl.java
@@ -0,0 +1,157 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.fowlerdsl.statemachine.impl;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.impl.EFactoryImpl;
+
+import org.eclipse.emf.ecore.plugin.EcorePlugin;
+
+import org.eclipse.xtext.example.fowlerdsl.statemachine.*;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Factory</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class StatemachineFactoryImpl extends EFactoryImpl implements StatemachineFactory
+{
+  /**
+   * Creates the default factory implementation.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public static StatemachineFactory init()
+  {
+    try
+    {
+      StatemachineFactory theStatemachineFactory = (StatemachineFactory)EPackage.Registry.INSTANCE.getEFactory("http://www.eclipse.org/xtext/example/fowlerdsl/Statemachine"); 
+      if (theStatemachineFactory != null)
+      {
+        return theStatemachineFactory;
+      }
+    }
+    catch (Exception exception)
+    {
+      EcorePlugin.INSTANCE.log(exception);
+    }
+    return new StatemachineFactoryImpl();
+  }
+
+  /**
+   * Creates an instance of the factory.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public StatemachineFactoryImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EObject create(EClass eClass)
+  {
+    switch (eClass.getClassifierID())
+    {
+      case StatemachinePackage.STATEMACHINE: return createStatemachine();
+      case StatemachinePackage.EVENT: return createEvent();
+      case StatemachinePackage.COMMAND: return createCommand();
+      case StatemachinePackage.STATE: return createState();
+      case StatemachinePackage.TRANSITION: return createTransition();
+      default:
+        throw new IllegalArgumentException("The class '" + eClass.getName() + "' is not a valid classifier");
+    }
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Statemachine createStatemachine()
+  {
+    StatemachineImpl statemachine = new StatemachineImpl();
+    return statemachine;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Event createEvent()
+  {
+    EventImpl event = new EventImpl();
+    return event;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Command createCommand()
+  {
+    CommandImpl command = new CommandImpl();
+    return command;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public State createState()
+  {
+    StateImpl state = new StateImpl();
+    return state;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Transition createTransition()
+  {
+    TransitionImpl transition = new TransitionImpl();
+    return transition;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public StatemachinePackage getStatemachinePackage()
+  {
+    return (StatemachinePackage)getEPackage();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @deprecated
+   * @generated
+   */
+  @Deprecated
+  public static StatemachinePackage getPackage()
+  {
+    return StatemachinePackage.eINSTANCE;
+  }
+
+} //StatemachineFactoryImpl
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/impl/StatemachineImpl.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/impl/StatemachineImpl.java
new file mode 100644
index 0000000..ebfc3fd
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/impl/StatemachineImpl.java
@@ -0,0 +1,285 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.fowlerdsl.statemachine.impl;
+
+import java.util.Collection;
+
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.EObjectResolvingEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+
+import org.eclipse.xtext.example.fowlerdsl.statemachine.Command;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.Event;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.State;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.Statemachine;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Statemachine</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StatemachineImpl#getEvents <em>Events</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StatemachineImpl#getResetEvents <em>Reset Events</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StatemachineImpl#getCommands <em>Commands</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.impl.StatemachineImpl#getStates <em>States</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class StatemachineImpl extends MinimalEObjectImpl.Container implements Statemachine
+{
+  /**
+   * The cached value of the '{@link #getEvents() <em>Events</em>}' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getEvents()
+   * @generated
+   * @ordered
+   */
+  protected EList<Event> events;
+
+  /**
+   * The cached value of the '{@link #getResetEvents() <em>Reset Events</em>}' reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getResetEvents()
+   * @generated
+   * @ordered
+   */
+  protected EList<Event> resetEvents;
+
+  /**
+   * The cached value of the '{@link #getCommands() <em>Commands</em>}' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getCommands()
+   * @generated
+   * @ordered
+   */
+  protected EList<Command> commands;
+
+  /**
+   * The cached value of the '{@link #getStates() <em>States</em>}' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getStates()
+   * @generated
+   * @ordered
+   */
+  protected EList<State> states;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected StatemachineImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return StatemachinePackage.Literals.STATEMACHINE;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EList<Event> getEvents()
+  {
+    if (events == null)
+    {
+      events = new EObjectContainmentEList<Event>(Event.class, this, StatemachinePackage.STATEMACHINE__EVENTS);
+    }
+    return events;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EList<Event> getResetEvents()
+  {
+    if (resetEvents == null)
+    {
+      resetEvents = new EObjectResolvingEList<Event>(Event.class, this, StatemachinePackage.STATEMACHINE__RESET_EVENTS);
+    }
+    return resetEvents;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EList<Command> getCommands()
+  {
+    if (commands == null)
+    {
+      commands = new EObjectContainmentEList<Command>(Command.class, this, StatemachinePackage.STATEMACHINE__COMMANDS);
+    }
+    return commands;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EList<State> getStates()
+  {
+    if (states == null)
+    {
+      states = new EObjectContainmentEList<State>(State.class, this, StatemachinePackage.STATEMACHINE__STATES);
+    }
+    return states;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case StatemachinePackage.STATEMACHINE__EVENTS:
+        return ((InternalEList<?>)getEvents()).basicRemove(otherEnd, msgs);
+      case StatemachinePackage.STATEMACHINE__COMMANDS:
+        return ((InternalEList<?>)getCommands()).basicRemove(otherEnd, msgs);
+      case StatemachinePackage.STATEMACHINE__STATES:
+        return ((InternalEList<?>)getStates()).basicRemove(otherEnd, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case StatemachinePackage.STATEMACHINE__EVENTS:
+        return getEvents();
+      case StatemachinePackage.STATEMACHINE__RESET_EVENTS:
+        return getResetEvents();
+      case StatemachinePackage.STATEMACHINE__COMMANDS:
+        return getCommands();
+      case StatemachinePackage.STATEMACHINE__STATES:
+        return getStates();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @SuppressWarnings("unchecked")
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case StatemachinePackage.STATEMACHINE__EVENTS:
+        getEvents().clear();
+        getEvents().addAll((Collection<? extends Event>)newValue);
+        return;
+      case StatemachinePackage.STATEMACHINE__RESET_EVENTS:
+        getResetEvents().clear();
+        getResetEvents().addAll((Collection<? extends Event>)newValue);
+        return;
+      case StatemachinePackage.STATEMACHINE__COMMANDS:
+        getCommands().clear();
+        getCommands().addAll((Collection<? extends Command>)newValue);
+        return;
+      case StatemachinePackage.STATEMACHINE__STATES:
+        getStates().clear();
+        getStates().addAll((Collection<? extends State>)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case StatemachinePackage.STATEMACHINE__EVENTS:
+        getEvents().clear();
+        return;
+      case StatemachinePackage.STATEMACHINE__RESET_EVENTS:
+        getResetEvents().clear();
+        return;
+      case StatemachinePackage.STATEMACHINE__COMMANDS:
+        getCommands().clear();
+        return;
+      case StatemachinePackage.STATEMACHINE__STATES:
+        getStates().clear();
+        return;
+    }
+    super.eUnset(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case StatemachinePackage.STATEMACHINE__EVENTS:
+        return events != null && !events.isEmpty();
+      case StatemachinePackage.STATEMACHINE__RESET_EVENTS:
+        return resetEvents != null && !resetEvents.isEmpty();
+      case StatemachinePackage.STATEMACHINE__COMMANDS:
+        return commands != null && !commands.isEmpty();
+      case StatemachinePackage.STATEMACHINE__STATES:
+        return states != null && !states.isEmpty();
+    }
+    return super.eIsSet(featureID);
+  }
+
+} //StatemachineImpl
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/impl/StatemachinePackageImpl.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/impl/StatemachinePackageImpl.java
new file mode 100644
index 0000000..b294227
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/impl/StatemachinePackageImpl.java
@@ -0,0 +1,421 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.fowlerdsl.statemachine.impl;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+
+import org.eclipse.emf.ecore.impl.EPackageImpl;
+
+import org.eclipse.xtext.example.fowlerdsl.statemachine.Command;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.Event;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.State;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.Statemachine;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachineFactory;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.Transition;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Package</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class StatemachinePackageImpl extends EPackageImpl implements StatemachinePackage
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass statemachineEClass = null;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass eventEClass = null;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass commandEClass = null;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass stateEClass = null;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass transitionEClass = null;
+
+  /**
+   * Creates an instance of the model <b>Package</b>, registered with
+   * {@link org.eclipse.emf.ecore.EPackage.Registry EPackage.Registry} by the package
+   * package URI value.
+   * <p>Note: the correct way to create the package is via the static
+   * factory method {@link #init init()}, which also performs
+   * initialization of the package, or returns the registered package,
+   * if one already exists.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.eclipse.emf.ecore.EPackage.Registry
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage#eNS_URI
+   * @see #init()
+   * @generated
+   */
+  private StatemachinePackageImpl()
+  {
+    super(eNS_URI, StatemachineFactory.eINSTANCE);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private static boolean isInited = false;
+
+  /**
+   * Creates, registers, and initializes the <b>Package</b> for this model, and for any others upon which it depends.
+   * 
+   * <p>This method is used to initialize {@link StatemachinePackage#eINSTANCE} when that field is accessed.
+   * Clients should not invoke it directly. Instead, they should simply access that field to obtain the package.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #eNS_URI
+   * @see #createPackageContents()
+   * @see #initializePackageContents()
+   * @generated
+   */
+  public static StatemachinePackage init()
+  {
+    if (isInited) return (StatemachinePackage)EPackage.Registry.INSTANCE.getEPackage(StatemachinePackage.eNS_URI);
+
+    // Obtain or create and register package
+    StatemachinePackageImpl theStatemachinePackage = (StatemachinePackageImpl)(EPackage.Registry.INSTANCE.get(eNS_URI) instanceof StatemachinePackageImpl ? EPackage.Registry.INSTANCE.get(eNS_URI) : new StatemachinePackageImpl());
+
+    isInited = true;
+
+    // Create package meta-data objects
+    theStatemachinePackage.createPackageContents();
+
+    // Initialize created meta-data
+    theStatemachinePackage.initializePackageContents();
+
+    // Mark meta-data to indicate it can't be changed
+    theStatemachinePackage.freeze();
+
+  
+    // Update the registry and return the package
+    EPackage.Registry.INSTANCE.put(StatemachinePackage.eNS_URI, theStatemachinePackage);
+    return theStatemachinePackage;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EClass getStatemachine()
+  {
+    return statemachineEClass;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getStatemachine_Events()
+  {
+    return (EReference)statemachineEClass.getEStructuralFeatures().get(0);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getStatemachine_ResetEvents()
+  {
+    return (EReference)statemachineEClass.getEStructuralFeatures().get(1);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getStatemachine_Commands()
+  {
+    return (EReference)statemachineEClass.getEStructuralFeatures().get(2);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getStatemachine_States()
+  {
+    return (EReference)statemachineEClass.getEStructuralFeatures().get(3);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EClass getEvent()
+  {
+    return eventEClass;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EAttribute getEvent_Name()
+  {
+    return (EAttribute)eventEClass.getEStructuralFeatures().get(0);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EAttribute getEvent_Code()
+  {
+    return (EAttribute)eventEClass.getEStructuralFeatures().get(1);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EClass getCommand()
+  {
+    return commandEClass;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EAttribute getCommand_Name()
+  {
+    return (EAttribute)commandEClass.getEStructuralFeatures().get(0);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EAttribute getCommand_Code()
+  {
+    return (EAttribute)commandEClass.getEStructuralFeatures().get(1);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EClass getState()
+  {
+    return stateEClass;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EAttribute getState_Name()
+  {
+    return (EAttribute)stateEClass.getEStructuralFeatures().get(0);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getState_Actions()
+  {
+    return (EReference)stateEClass.getEStructuralFeatures().get(1);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getState_Transitions()
+  {
+    return (EReference)stateEClass.getEStructuralFeatures().get(2);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EClass getTransition()
+  {
+    return transitionEClass;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getTransition_Event()
+  {
+    return (EReference)transitionEClass.getEStructuralFeatures().get(0);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getTransition_State()
+  {
+    return (EReference)transitionEClass.getEStructuralFeatures().get(1);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public StatemachineFactory getStatemachineFactory()
+  {
+    return (StatemachineFactory)getEFactoryInstance();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private boolean isCreated = false;
+
+  /**
+   * Creates the meta-model objects for the package.  This method is
+   * guarded to have no affect on any invocation but its first.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void createPackageContents()
+  {
+    if (isCreated) return;
+    isCreated = true;
+
+    // Create classes and their features
+    statemachineEClass = createEClass(STATEMACHINE);
+    createEReference(statemachineEClass, STATEMACHINE__EVENTS);
+    createEReference(statemachineEClass, STATEMACHINE__RESET_EVENTS);
+    createEReference(statemachineEClass, STATEMACHINE__COMMANDS);
+    createEReference(statemachineEClass, STATEMACHINE__STATES);
+
+    eventEClass = createEClass(EVENT);
+    createEAttribute(eventEClass, EVENT__NAME);
+    createEAttribute(eventEClass, EVENT__CODE);
+
+    commandEClass = createEClass(COMMAND);
+    createEAttribute(commandEClass, COMMAND__NAME);
+    createEAttribute(commandEClass, COMMAND__CODE);
+
+    stateEClass = createEClass(STATE);
+    createEAttribute(stateEClass, STATE__NAME);
+    createEReference(stateEClass, STATE__ACTIONS);
+    createEReference(stateEClass, STATE__TRANSITIONS);
+
+    transitionEClass = createEClass(TRANSITION);
+    createEReference(transitionEClass, TRANSITION__EVENT);
+    createEReference(transitionEClass, TRANSITION__STATE);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private boolean isInitialized = false;
+
+  /**
+   * Complete the initialization of the package and its meta-model.  This
+   * method is guarded to have no affect on any invocation but its first.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void initializePackageContents()
+  {
+    if (isInitialized) return;
+    isInitialized = true;
+
+    // Initialize package
+    setName(eNAME);
+    setNsPrefix(eNS_PREFIX);
+    setNsURI(eNS_URI);
+
+    // Create type parameters
+
+    // Set bounds for type parameters
+
+    // Add supertypes to classes
+
+    // Initialize classes and features; add operations and parameters
+    initEClass(statemachineEClass, Statemachine.class, "Statemachine", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEReference(getStatemachine_Events(), this.getEvent(), null, "events", null, 0, -1, Statemachine.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getStatemachine_ResetEvents(), this.getEvent(), null, "resetEvents", null, 0, -1, Statemachine.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, !IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getStatemachine_Commands(), this.getCommand(), null, "commands", null, 0, -1, Statemachine.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getStatemachine_States(), this.getState(), null, "states", null, 0, -1, Statemachine.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+    initEClass(eventEClass, Event.class, "Event", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEAttribute(getEvent_Name(), ecorePackage.getEString(), "name", null, 0, 1, Event.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEAttribute(getEvent_Code(), ecorePackage.getEString(), "code", null, 0, 1, Event.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+    initEClass(commandEClass, Command.class, "Command", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEAttribute(getCommand_Name(), ecorePackage.getEString(), "name", null, 0, 1, Command.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEAttribute(getCommand_Code(), ecorePackage.getEString(), "code", null, 0, 1, Command.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+    initEClass(stateEClass, State.class, "State", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEAttribute(getState_Name(), ecorePackage.getEString(), "name", null, 0, 1, State.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getState_Actions(), this.getCommand(), null, "actions", null, 0, -1, State.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, !IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getState_Transitions(), this.getTransition(), null, "transitions", null, 0, -1, State.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+    initEClass(transitionEClass, Transition.class, "Transition", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEReference(getTransition_Event(), this.getEvent(), null, "event", null, 0, 1, Transition.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+    initEReference(getTransition_State(), this.getState(), null, "state", null, 0, 1, Transition.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+    // Create resource
+    createResource(eNS_URI);
+  }
+
+} //StatemachinePackageImpl
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/impl/TransitionImpl.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/impl/TransitionImpl.java
new file mode 100644
index 0000000..0ca8bfc
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/impl/TransitionImpl.java
@@ -0,0 +1,242 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.fowlerdsl.statemachine.impl;
+
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.xtext.example.fowlerdsl.statemachine.Event;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.State;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.Transition;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Transition</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.impl.TransitionImpl#getEvent <em>Event</em>}</li>
+ *   <li>{@link org.eclipse.xtext.example.fowlerdsl.statemachine.impl.TransitionImpl#getState <em>State</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class TransitionImpl extends MinimalEObjectImpl.Container implements Transition
+{
+  /**
+   * The cached value of the '{@link #getEvent() <em>Event</em>}' reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getEvent()
+   * @generated
+   * @ordered
+   */
+  protected Event event;
+
+  /**
+   * The cached value of the '{@link #getState() <em>State</em>}' reference.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getState()
+   * @generated
+   * @ordered
+   */
+  protected State state;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected TransitionImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return StatemachinePackage.Literals.TRANSITION;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Event getEvent()
+  {
+    if (event != null && event.eIsProxy())
+    {
+      InternalEObject oldEvent = (InternalEObject)event;
+      event = (Event)eResolveProxy(oldEvent);
+      if (event != oldEvent)
+      {
+        if (eNotificationRequired())
+          eNotify(new ENotificationImpl(this, Notification.RESOLVE, StatemachinePackage.TRANSITION__EVENT, oldEvent, event));
+      }
+    }
+    return event;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Event basicGetEvent()
+  {
+    return event;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setEvent(Event newEvent)
+  {
+    Event oldEvent = event;
+    event = newEvent;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, StatemachinePackage.TRANSITION__EVENT, oldEvent, event));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public State getState()
+  {
+    if (state != null && state.eIsProxy())
+    {
+      InternalEObject oldState = (InternalEObject)state;
+      state = (State)eResolveProxy(oldState);
+      if (state != oldState)
+      {
+        if (eNotificationRequired())
+          eNotify(new ENotificationImpl(this, Notification.RESOLVE, StatemachinePackage.TRANSITION__STATE, oldState, state));
+      }
+    }
+    return state;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public State basicGetState()
+  {
+    return state;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setState(State newState)
+  {
+    State oldState = state;
+    state = newState;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, StatemachinePackage.TRANSITION__STATE, oldState, state));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case StatemachinePackage.TRANSITION__EVENT:
+        if (resolve) return getEvent();
+        return basicGetEvent();
+      case StatemachinePackage.TRANSITION__STATE:
+        if (resolve) return getState();
+        return basicGetState();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case StatemachinePackage.TRANSITION__EVENT:
+        setEvent((Event)newValue);
+        return;
+      case StatemachinePackage.TRANSITION__STATE:
+        setState((State)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case StatemachinePackage.TRANSITION__EVENT:
+        setEvent((Event)null);
+        return;
+      case StatemachinePackage.TRANSITION__STATE:
+        setState((State)null);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case StatemachinePackage.TRANSITION__EVENT:
+        return event != null;
+      case StatemachinePackage.TRANSITION__STATE:
+        return state != null;
+    }
+    return super.eIsSet(featureID);
+  }
+
+} //TransitionImpl
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/util/StatemachineAdapterFactory.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/util/StatemachineAdapterFactory.java
new file mode 100644
index 0000000..8083a50
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/util/StatemachineAdapterFactory.java
@@ -0,0 +1,215 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.fowlerdsl.statemachine.util;
+
+import org.eclipse.emf.common.notify.Adapter;
+import org.eclipse.emf.common.notify.Notifier;
+
+import org.eclipse.emf.common.notify.impl.AdapterFactoryImpl;
+
+import org.eclipse.emf.ecore.EObject;
+
+import org.eclipse.xtext.example.fowlerdsl.statemachine.*;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Adapter Factory</b> for the model.
+ * It provides an adapter <code>createXXX</code> method for each class of the model.
+ * <!-- end-user-doc -->
+ * @see org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage
+ * @generated
+ */
+public class StatemachineAdapterFactory extends AdapterFactoryImpl
+{
+  /**
+   * The cached model package.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected static StatemachinePackage modelPackage;
+
+  /**
+   * Creates an instance of the adapter factory.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public StatemachineAdapterFactory()
+  {
+    if (modelPackage == null)
+    {
+      modelPackage = StatemachinePackage.eINSTANCE;
+    }
+  }
+
+  /**
+   * Returns whether this factory is applicable for the type of the object.
+   * <!-- begin-user-doc -->
+   * This implementation returns <code>true</code> if the object is either the model's package or is an instance object of the model.
+   * <!-- end-user-doc -->
+   * @return whether this factory is applicable for the type of the object.
+   * @generated
+   */
+  @Override
+  public boolean isFactoryForType(Object object)
+  {
+    if (object == modelPackage)
+    {
+      return true;
+    }
+    if (object instanceof EObject)
+    {
+      return ((EObject)object).eClass().getEPackage() == modelPackage;
+    }
+    return false;
+  }
+
+  /**
+   * The switch that delegates to the <code>createXXX</code> methods.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected StatemachineSwitch<Adapter> modelSwitch =
+    new StatemachineSwitch<Adapter>()
+    {
+      @Override
+      public Adapter caseStatemachine(Statemachine object)
+      {
+        return createStatemachineAdapter();
+      }
+      @Override
+      public Adapter caseEvent(Event object)
+      {
+        return createEventAdapter();
+      }
+      @Override
+      public Adapter caseCommand(Command object)
+      {
+        return createCommandAdapter();
+      }
+      @Override
+      public Adapter caseState(State object)
+      {
+        return createStateAdapter();
+      }
+      @Override
+      public Adapter caseTransition(Transition object)
+      {
+        return createTransitionAdapter();
+      }
+      @Override
+      public Adapter defaultCase(EObject object)
+      {
+        return createEObjectAdapter();
+      }
+    };
+
+  /**
+   * Creates an adapter for the <code>target</code>.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param target the object to adapt.
+   * @return the adapter for the <code>target</code>.
+   * @generated
+   */
+  @Override
+  public Adapter createAdapter(Notifier target)
+  {
+    return modelSwitch.doSwitch((EObject)target);
+  }
+
+
+  /**
+   * Creates a new adapter for an object of class '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Statemachine <em>Statemachine</em>}'.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null so that we can easily ignore cases;
+   * it's useful to ignore a case when inheritance will catch all the cases anyway.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.Statemachine
+   * @generated
+   */
+  public Adapter createStatemachineAdapter()
+  {
+    return null;
+  }
+
+  /**
+   * Creates a new adapter for an object of class '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Event <em>Event</em>}'.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null so that we can easily ignore cases;
+   * it's useful to ignore a case when inheritance will catch all the cases anyway.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.Event
+   * @generated
+   */
+  public Adapter createEventAdapter()
+  {
+    return null;
+  }
+
+  /**
+   * Creates a new adapter for an object of class '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Command <em>Command</em>}'.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null so that we can easily ignore cases;
+   * it's useful to ignore a case when inheritance will catch all the cases anyway.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.Command
+   * @generated
+   */
+  public Adapter createCommandAdapter()
+  {
+    return null;
+  }
+
+  /**
+   * Creates a new adapter for an object of class '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.State <em>State</em>}'.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null so that we can easily ignore cases;
+   * it's useful to ignore a case when inheritance will catch all the cases anyway.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.State
+   * @generated
+   */
+  public Adapter createStateAdapter()
+  {
+    return null;
+  }
+
+  /**
+   * Creates a new adapter for an object of class '{@link org.eclipse.xtext.example.fowlerdsl.statemachine.Transition <em>Transition</em>}'.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null so that we can easily ignore cases;
+   * it's useful to ignore a case when inheritance will catch all the cases anyway.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @see org.eclipse.xtext.example.fowlerdsl.statemachine.Transition
+   * @generated
+   */
+  public Adapter createTransitionAdapter()
+  {
+    return null;
+  }
+
+  /**
+   * Creates a new adapter for the default case.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @generated
+   */
+  public Adapter createEObjectAdapter()
+  {
+    return null;
+  }
+
+} //StatemachineAdapterFactory
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/util/StatemachineSwitch.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/util/StatemachineSwitch.java
new file mode 100644
index 0000000..b2a0f73
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/statemachine/util/StatemachineSwitch.java
@@ -0,0 +1,233 @@
+/**
+ * <copyright>
+ * </copyright>
+ *
+ */
+package org.eclipse.xtext.example.fowlerdsl.statemachine.util;
+
+import java.util.List;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EObject;
+
+import org.eclipse.xtext.example.fowlerdsl.statemachine.*;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Switch</b> for the model's inheritance hierarchy.
+ * It supports the call {@link #doSwitch(EObject) doSwitch(object)}
+ * to invoke the <code>caseXXX</code> method for each class of the model,
+ * starting with the actual class of the object
+ * and proceeding up the inheritance hierarchy
+ * until a non-null result is returned,
+ * which is the result of the switch.
+ * <!-- end-user-doc -->
+ * @see org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage
+ * @generated
+ */
+public class StatemachineSwitch<T>
+{
+  /**
+   * The cached model package
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected static StatemachinePackage modelPackage;
+
+  /**
+   * Creates an instance of the switch.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public StatemachineSwitch()
+  {
+    if (modelPackage == null)
+    {
+      modelPackage = StatemachinePackage.eINSTANCE;
+    }
+  }
+
+  /**
+   * Calls <code>caseXXX</code> for each class of the model until one returns a non null result; it yields that result.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the first non-null result returned by a <code>caseXXX</code> call.
+   * @generated
+   */
+  public T doSwitch(EObject theEObject)
+  {
+    return doSwitch(theEObject.eClass(), theEObject);
+  }
+
+  /**
+   * Calls <code>caseXXX</code> for each class of the model until one returns a non null result; it yields that result.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the first non-null result returned by a <code>caseXXX</code> call.
+   * @generated
+   */
+  protected T doSwitch(EClass theEClass, EObject theEObject)
+  {
+    if (theEClass.eContainer() == modelPackage)
+    {
+      return doSwitch(theEClass.getClassifierID(), theEObject);
+    }
+    else
+    {
+      List<EClass> eSuperTypes = theEClass.getESuperTypes();
+      return
+        eSuperTypes.isEmpty() ?
+          defaultCase(theEObject) :
+          doSwitch(eSuperTypes.get(0), theEObject);
+    }
+  }
+
+  /**
+   * Calls <code>caseXXX</code> for each class of the model until one returns a non null result; it yields that result.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the first non-null result returned by a <code>caseXXX</code> call.
+   * @generated
+   */
+  protected T doSwitch(int classifierID, EObject theEObject)
+  {
+    switch (classifierID)
+    {
+      case StatemachinePackage.STATEMACHINE:
+      {
+        Statemachine statemachine = (Statemachine)theEObject;
+        T result = caseStatemachine(statemachine);
+        if (result == null) result = defaultCase(theEObject);
+        return result;
+      }
+      case StatemachinePackage.EVENT:
+      {
+        Event event = (Event)theEObject;
+        T result = caseEvent(event);
+        if (result == null) result = defaultCase(theEObject);
+        return result;
+      }
+      case StatemachinePackage.COMMAND:
+      {
+        Command command = (Command)theEObject;
+        T result = caseCommand(command);
+        if (result == null) result = defaultCase(theEObject);
+        return result;
+      }
+      case StatemachinePackage.STATE:
+      {
+        State state = (State)theEObject;
+        T result = caseState(state);
+        if (result == null) result = defaultCase(theEObject);
+        return result;
+      }
+      case StatemachinePackage.TRANSITION:
+      {
+        Transition transition = (Transition)theEObject;
+        T result = caseTransition(transition);
+        if (result == null) result = defaultCase(theEObject);
+        return result;
+      }
+      default: return defaultCase(theEObject);
+    }
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>Statemachine</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>Statemachine</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+   * @generated
+   */
+  public T caseStatemachine(Statemachine object)
+  {
+    return null;
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>Event</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>Event</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+   * @generated
+   */
+  public T caseEvent(Event object)
+  {
+    return null;
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>Command</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>Command</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+   * @generated
+   */
+  public T caseCommand(Command object)
+  {
+    return null;
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>State</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>State</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+   * @generated
+   */
+  public T caseState(State object)
+  {
+    return null;
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>Transition</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>Transition</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+   * @generated
+   */
+  public T caseTransition(Transition object)
+  {
+    return null;
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>EObject</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch, but this is the last case anyway.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>EObject</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject)
+   * @generated
+   */
+  public T defaultCase(EObject object)
+  {
+    return null;
+  }
+
+} //StatemachineSwitch
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/validation/AbstractStatemachineJavaValidator.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/validation/AbstractStatemachineJavaValidator.java
new file mode 100644
index 0000000..77450e6
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src-gen/org/eclipse/xtext/example/fowlerdsl/validation/AbstractStatemachineJavaValidator.java
@@ -0,0 +1,20 @@
+package org.eclipse.xtext.example.fowlerdsl.validation;
+ 
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.xtext.validation.AbstractDeclarativeValidator;
+import org.eclipse.xtext.validation.ComposedChecks;
+
+@ComposedChecks(validators= {org.eclipse.xtext.validation.ImportUriValidator.class, org.eclipse.xtext.validation.NamesAreUniqueValidator.class})
+public class AbstractStatemachineJavaValidator extends AbstractDeclarativeValidator {
+
+	@Override
+	protected List<EPackage> getEPackages() {
+	    List<EPackage> result = new ArrayList<EPackage>();
+	    result.add(org.eclipse.xtext.example.fowlerdsl.statemachine.StatemachinePackage.eINSTANCE);
+		return result;
+	}
+
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/GenerateStatemachine.mwe2 b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/GenerateStatemachine.mwe2
new file mode 100644
index 0000000..f8c90aa
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/GenerateStatemachine.mwe2
@@ -0,0 +1,133 @@
+module org.eclipse.xtext.example.fowlerdsl.GenerateStatemachine
+
+import org.eclipse.emf.mwe.utils.*
+import org.eclipse.xtext.generator.*
+import org.eclipse.xtext.ui.generator.*
+
+var grammarURI = "classpath:/org/eclipse/xtext/example/fowlerdsl/Statemachine.xtext"
+var file.extensions = "statemachine"
+var projectName = "org.eclipse.xtext.example.fowlerdsl"
+var runtimeProject = "../${projectName}"
+
+Workflow {
+    bean = StandaloneSetup {
+        scanClassPath = true
+        platformUri = "${runtimeProject}/.."
+    }
+
+    component = DirectoryCleaner {
+        directory = "${runtimeProject}/src-gen"
+    }
+
+    component = DirectoryCleaner {
+        directory = "${runtimeProject}.ui/src-gen"
+    }
+
+    component = Generator {
+        pathRtProject = runtimeProject
+        pathUiProject = "${runtimeProject}.ui"
+        pathTestProject = "${runtimeProject}.tests"
+        projectNameRt = projectName
+        projectNameUi = "${projectName}.ui"
+        language = {
+            uri = grammarURI
+            fileExtensions = file.extensions
+
+            // Java API to access grammar elements (required by several other fragments)
+            fragment = grammarAccess.GrammarAccessFragment {}
+
+            // generates Java API for the generated EPackages
+            fragment = ecore.EcoreGeneratorFragment {
+            // referencedGenModels = "
+            //  platform:/resource/org.eclipse.xtext.xbase/model/Xbase.genmodel,
+            //  platform:/resource/org.eclipse.xtext.common.types/model/JavaVMTypes.genmodel
+            // "
+            }
+
+            // Serializer 2.0
+            fragment = serializer.SerializerFragment {}
+            
+            // the serialization component (1.0)
+            // fragment = parseTreeConstructor.ParseTreeConstructorFragment {}
+
+            // a custom ResourceFactory for use with EMF
+            fragment = resourceFactory.ResourceFactoryFragment {
+                fileExtensions = file.extensions
+            }
+
+            // The antlr parser generator fragment.
+            fragment = parser.antlr.XtextAntlrGeneratorFragment {
+            //  options = {
+            //      backtrack = true
+            //  }
+            }
+
+            // java-based API for validation
+            fragment = validation.JavaValidatorFragment {
+                composedCheck = "org.eclipse.xtext.validation.ImportUriValidator"
+                composedCheck = "org.eclipse.xtext.validation.NamesAreUniqueValidator"
+            }
+
+            // scoping and exporting API
+            // fragment = scoping.ImportURIScopingFragment {}
+            // fragment = exporting.SimpleNamesFragment {}
+
+            // scoping and exporting API
+            fragment = scoping.ImportNamespacesScopingFragment {}
+            fragment = exporting.QualifiedNamesFragment {}
+            fragment = builder.BuilderIntegrationFragment {}
+
+            // generator API
+            fragment = generator.GeneratorFragment {
+                generateMwe = true
+                generateJavaMain = true
+            }
+
+            // formatter API
+            fragment = formatting.FormatterFragment {}
+
+            // labeling API
+            fragment = labeling.LabelProviderFragment {}
+
+            // outline API
+            fragment = outline.OutlineTreeProviderFragment {}
+            fragment = outline.QuickOutlineFragment {}
+
+            // quickfix API
+            fragment = quickfix.QuickfixProviderFragment {}
+
+            // content assist API
+            fragment = contentAssist.JavaBasedContentAssistFragment {}
+
+            // generates a more lightweight Antlr parser and lexer tailored for content assist
+            fragment = parser.antlr.XtextAntlrUiGeneratorFragment {}
+
+            // generates junit test support classes into Generator#pathTestProject
+            fragment = junit.Junit4Fragment {}
+
+            // project wizard (optional)
+            // fragment = projectWizard.SimpleProjectWizardFragment {
+            //      generatorProjectName = "${projectName}.generator"
+            //      modelFileExtension = file.extensions
+            // }
+
+            // provides the necessary bindings for java types integration
+            fragment = types.TypesGeneratorFragment {}
+
+            // generates the required bindings only if the grammar inherits from Xbase
+            fragment = xbase.XbaseGeneratorFragment {}
+
+            // provides a preference page for template proposals
+            fragment = templates.CodetemplatesGeneratorFragment {}
+
+            // rename refactoring
+            fragment = refactoring.RefactorElementNameFragment {}
+
+            // provides a compare view
+            fragment = compare.CompareFragment {
+                 fileExtensions = file.extensions
+            }
+
+        }
+    }
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/Statemachine.xtext b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/Statemachine.xtext
new file mode 100644
index 0000000..4392eb8
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/Statemachine.xtext
@@ -0,0 +1,36 @@
+grammar org.eclipse.xtext.example.fowlerdsl.Statemachine with org.eclipse.xtext.common.Terminals
+
+generate statemachine "http://www.eclipse.org/xtext/example/fowlerdsl/Statemachine"
+
+Statemachine :
+     {Statemachine}
+	('events' 
+		events+=Event+ 
+	'end')?
+	('resetEvents' 
+		resetEvents+=[Event]+ 
+	'end')?
+	('commands' 
+		commands+=Command+ 
+	'end')?
+	states+=State*
+;
+
+Event:
+	name=ID code=ID
+;
+
+Command:
+	name=ID code=ID
+;
+
+State:
+	'state' name=ID
+		('actions' '{' actions+=[Command]+ '}')?
+		transitions+=Transition*
+	'end'
+;
+
+Transition:
+	event=[Event] '=>' state=[State]
+;
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/StatemachineRuntimeModule.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/StatemachineRuntimeModule.java
new file mode 100644
index 0000000..e1a01b4
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/StatemachineRuntimeModule.java
@@ -0,0 +1,11 @@
+/*
+ * generated by Xtext
+ */
+package org.eclipse.xtext.example.fowlerdsl;
+
+/**
+ * Use this class to register components to be used at runtime / without the Equinox extension registry.
+ */
+public class StatemachineRuntimeModule extends org.eclipse.xtext.example.fowlerdsl.AbstractStatemachineRuntimeModule {
+
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/StatemachineStandaloneSetup.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/StatemachineStandaloneSetup.java
new file mode 100644
index 0000000..3f56129
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/StatemachineStandaloneSetup.java
@@ -0,0 +1,14 @@
+
+package org.eclipse.xtext.example.fowlerdsl;
+
+/**
+ * Initialization support for running Xtext languages 
+ * without equinox extension registry
+ */
+public class StatemachineStandaloneSetup extends StatemachineStandaloneSetupGenerated{
+
+	public static void doSetup() {
+		new StatemachineStandaloneSetup().createInjectorAndDoEMFRegistration();
+	}
+}
+
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/formatting/StatemachineFormatter.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/formatting/StatemachineFormatter.java
new file mode 100644
index 0000000..cfd31e2
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/formatting/StatemachineFormatter.java
@@ -0,0 +1,27 @@
+/*
+ * generated by Xtext
+ */
+package org.eclipse.xtext.example.fowlerdsl.formatting;
+
+import org.eclipse.xtext.formatting.impl.AbstractDeclarativeFormatter;
+import org.eclipse.xtext.formatting.impl.FormattingConfig;
+
+/**
+ * This class contains custom formatting description.
+ * 
+ * see : http://www.eclipse.org/Xtext/documentation/latest/xtext.html#formatting
+ * on how and when to use it 
+ * 
+ * Also see {@link org.eclipse.xtext.xtext.XtextFormattingTokenSerializer} as an example
+ */
+public class StatemachineFormatter extends AbstractDeclarativeFormatter {
+	
+	@Override
+	protected void configureFormatting(FormattingConfig c) {
+// It's usually a good idea to activate the following three statements.
+// They will add and preserve newlines around comments
+//		c.setLinewrap(0, 1, 2).before(getGrammarAccess().getSL_COMMENTRule());
+//		c.setLinewrap(0, 1, 2).before(getGrammarAccess().getML_COMMENTRule());
+//		c.setLinewrap(0, 1, 1).after(getGrammarAccess().getML_COMMENTRule());
+	}
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/generator/Main.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/generator/Main.java
new file mode 100644
index 0000000..97de9f6
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/generator/Main.java
@@ -0,0 +1,67 @@
+
+/*
+ * generated by Xtext
+ */
+package org.eclipse.xtext.example.fowlerdsl.generator;
+
+import java.util.List;
+
+import org.eclipse.emf.common.util.URI;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.ecore.resource.ResourceSet;
+import org.eclipse.xtext.generator.IGenerator;
+import org.eclipse.xtext.generator.JavaIoFileSystemAccess;
+import org.eclipse.xtext.util.CancelIndicator;
+import org.eclipse.xtext.validation.CheckMode;
+import org.eclipse.xtext.validation.IResourceValidator;
+import org.eclipse.xtext.validation.Issue;
+
+import com.google.inject.Inject;
+import com.google.inject.Injector;
+import com.google.inject.Provider;
+
+public class Main {
+	
+	public static void main(String[] args) {
+		if (args.length==0) {
+			System.err.println("Aborting: no path to EMF resource provided!");
+			return;
+		}
+		Injector injector = new org.eclipse.xtext.example.fowlerdsl.StatemachineStandaloneSetupGenerated().createInjectorAndDoEMFRegistration();
+		Main main = injector.getInstance(Main.class);
+		main.runGenerator(args[0]);
+	}
+	
+	@Inject 
+	private Provider<ResourceSet> resourceSetProvider;
+	
+	@Inject
+	private IResourceValidator validator;
+	
+	@Inject
+	private IGenerator generator;
+	
+	@Inject 
+	private JavaIoFileSystemAccess fileAccess;
+
+	protected void runGenerator(String string) {
+		// load the resource
+		ResourceSet set = resourceSetProvider.get();
+		Resource resource = set.getResource(URI.createURI(string), true);
+		
+		// validate the resource
+		List<Issue> list = validator.validate(resource, CheckMode.ALL, CancelIndicator.NullImpl);
+		if (!list.isEmpty()) {
+			for (Issue issue : list) {
+				System.err.println(issue);
+			}
+			return;
+		}
+		
+		// configure and start the generator
+		fileAccess.setOutputPath("src-gen/");
+		generator.doGenerate(resource, fileAccess);
+		
+		System.out.println("Code generation finished.");
+	}
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/generator/StatemachineGenerator.xtend b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/generator/StatemachineGenerator.xtend
new file mode 100644
index 0000000..f87bd09
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/generator/StatemachineGenerator.xtend
@@ -0,0 +1,97 @@
+/*
+ * generated by Xtext
+ */
+package org.eclipse.xtext.example.fowlerdsl.generator
+
+import org.eclipse.emf.ecore.resource.Resource
+import org.eclipse.xtext.example.fowlerdsl.statemachine.Command
+import org.eclipse.xtext.example.fowlerdsl.statemachine.State
+import org.eclipse.xtext.example.fowlerdsl.statemachine.Statemachine
+import org.eclipse.xtext.generator.IFileSystemAccess
+import org.eclipse.xtext.generator.IGenerator
+
+class StatemachineGenerator implements IGenerator {
+	
+	override void doGenerate(Resource resource, IFileSystemAccess fsa) {
+		fsa.generateFile(resource.className+".java", toJavaCode(resource.contents.head as Statemachine))
+	}
+	
+	def className(Resource res) {
+		var name = res.URI.lastSegment
+		return name.substring(0, name.indexOf('.'))
+	}
+	
+	def toJavaCode(Statemachine sm) '''
+		import java.io.BufferedReader;
+		import java.io.IOException;
+		import java.io.InputStreamReader;
+		
+		public class «sm.eResource.className» {
+			
+			public static void main(String[] args) {
+				new «sm.eResource.className»().run();
+			}
+			
+			«FOR c : sm.commands»
+				«c.declareCommand»
+			«ENDFOR»
+			
+			protected void run() {
+				boolean executeActions = true;
+				String currentState = "«sm.states.head.name»";
+				String lastEvent = null;
+				while (true) {
+					«FOR state : sm.states»
+						«state.generateCode»
+					«ENDFOR»
+					«FOR resetEvent : sm.resetEvents»
+						if ("«resetEvent.name»".equals(lastEvent)) {
+							System.out.println("Resetting state machine.");
+							currentState = "«sm.states.head.name»";
+							executeActions = true;
+						}
+					«ENDFOR»
+					
+				}
+			}
+			
+			private String receiveEvent() {
+				System.out.flush();
+				BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+				try {
+					return br.readLine();
+				} catch (IOException ioe) {
+					System.out.println("Problem reading input");
+					return "";
+				}
+			}
+		}
+	'''
+	
+	def declareCommand(Command command) '''
+		protected void do«command.name.toFirstUpper»() {
+			System.out.println("Executing command «command.name» («command.code»)");
+		}
+	'''
+	
+	def generateCode(State state) '''
+		if (currentState.equals("«state.name»")) {
+			if (executeActions) {
+				«FOR c : state.actions»
+					do«c.name.toFirstUpper»();
+				«ENDFOR»
+				executeActions = false;
+			}
+			System.out.println("Your are now in state '«state.name»'. Possible events are [«
+				state.transitions.map(t | t.event.name).join(', ')»].");
+			lastEvent = receiveEvent();
+			«FOR t : state.transitions»
+				if ("«t.event.name»".equals(lastEvent)) {
+					currentState = "«t.state.name»";
+					executeActions = true;
+				}
+			«ENDFOR»
+		}
+	'''
+	
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/generator/StatemachineGeneratorMWE.mwe2 b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/generator/StatemachineGeneratorMWE.mwe2
new file mode 100644
index 0000000..68b77c9
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/generator/StatemachineGeneratorMWE.mwe2
@@ -0,0 +1,32 @@
+
+module org.eclipse.xtext.example.fowlerdsl.generator.StatemachineGeneratorMWE
+
+import org.eclipse.emf.mwe.utils.*
+
+var targetDir
+var modelPath
+
+Workflow {
+
+	component = org.eclipse.xtext.mwe.Reader {
+		// lookup all resources on the classpath
+		// useJavaClassPath = true
+
+		// or define search scope explicitly
+		path = modelPath
+
+		// this class will be generated by the xtext generator 
+		register = org.eclipse.xtext.example.fowlerdsl.StatemachineStandaloneSetup {}
+		loadResource = {
+			slot = "model"
+		}
+	}
+
+	component = org.eclipse.xtext.generator.GeneratorComponent {
+		register = org.eclipse.xtext.example.fowlerdsl.StatemachineStandaloneSetup {}
+		slot = 'model'
+		outlet = {
+			path = targetDir
+		}
+	}
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/scoping/StatemachineScopeProvider.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/scoping/StatemachineScopeProvider.java
new file mode 100644
index 0000000..c4d85e2
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/scoping/StatemachineScopeProvider.java
@@ -0,0 +1,17 @@
+/*
+ * generated by Xtext
+ */
+package org.eclipse.xtext.example.fowlerdsl.scoping;
+
+import org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider;
+
+/**
+ * This class contains custom scoping description.
+ * 
+ * see : http://www.eclipse.org/Xtext/documentation/latest/xtext.html#scoping
+ * on how and when to use it 
+ *
+ */
+public class StatemachineScopeProvider extends AbstractDeclarativeScopeProvider {
+
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/serializer/StatemachineSemanticSequencer.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/serializer/StatemachineSemanticSequencer.java
new file mode 100644
index 0000000..2a82631
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/serializer/StatemachineSemanticSequencer.java
@@ -0,0 +1,4 @@
+package org.eclipse.xtext.example.fowlerdsl.serializer;
+
+public class StatemachineSemanticSequencer extends AbstractStatemachineSemanticSequencer {
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/serializer/StatemachineSyntacticSequencer.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/serializer/StatemachineSyntacticSequencer.java
new file mode 100644
index 0000000..f0f7464
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/serializer/StatemachineSyntacticSequencer.java
@@ -0,0 +1,4 @@
+package org.eclipse.xtext.example.fowlerdsl.serializer;
+
+public class StatemachineSyntacticSequencer extends AbstractStatemachineSyntacticSequencer {
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/validation/StatemachineJavaValidator.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/validation/StatemachineJavaValidator.java
new file mode 100644
index 0000000..7165d15
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/src/org/eclipse/xtext/example/fowlerdsl/validation/StatemachineJavaValidator.java
@@ -0,0 +1,13 @@
+package org.eclipse.xtext.example.fowlerdsl.validation;
+ 
+
+public class StatemachineJavaValidator extends AbstractStatemachineJavaValidator {
+
+//	@Check
+//	public void checkGreetingStartsWithCapital(Greeting greeting) {
+//		if (!Character.isUpperCase(greeting.getName().charAt(0))) {
+//			warning("Name should start with a capital", MyDslPackage.Literals.GREETING__NAME);
+//		}
+//	}
+
+}
diff --git a/examples/plugins/org.eclipse.xtext.example.fowlerdsl/xtend-gen/org/eclipse/xtext/example/fowlerdsl/generator/StatemachineGenerator.java b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/xtend-gen/org/eclipse/xtext/example/fowlerdsl/generator/StatemachineGenerator.java
new file mode 100644
index 0000000..fbdd88b
--- /dev/null
+++ b/examples/plugins/org.eclipse.xtext.example.fowlerdsl/xtend-gen/org/eclipse/xtext/example/fowlerdsl/generator/StatemachineGenerator.java
@@ -0,0 +1,289 @@
+package org.eclipse.xtext.example.fowlerdsl.generator;
+
+import java.util.List;
+import org.eclipse.emf.common.util.EList;
+import org.eclipse.emf.common.util.URI;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.xtend2.lib.StringConcatenation;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.Command;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.Event;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.State;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.Statemachine;
+import org.eclipse.xtext.example.fowlerdsl.statemachine.Transition;
+import org.eclipse.xtext.generator.IFileSystemAccess;
+import org.eclipse.xtext.generator.IGenerator;
+import org.eclipse.xtext.xbase.lib.Functions.Function1;
+import org.eclipse.xtext.xbase.lib.IterableExtensions;
+import org.eclipse.xtext.xbase.lib.ListExtensions;
+import org.eclipse.xtext.xbase.lib.StringExtensions;
+
+@SuppressWarnings("all")
+public class StatemachineGenerator implements IGenerator {
+  public void doGenerate(final Resource resource, final IFileSystemAccess fsa) {
+    String _className = this.className(resource);
+    String _plus = (_className + ".java");
+    EList<EObject> _contents = resource.getContents();
+    EObject _head = IterableExtensions.<EObject>head(_contents);
+    CharSequence _javaCode = this.toJavaCode(((Statemachine) _head));
+    fsa.generateFile(_plus, _javaCode);
+  }
+  
+  public String className(final Resource res) {
+    URI _uRI = res.getURI();
+    String name = _uRI.lastSegment();
+    int _indexOf = name.indexOf(".");
+    return name.substring(0, _indexOf);
+  }
+  
+  public CharSequence toJavaCode(final Statemachine sm) {
+    StringConcatenation _builder = new StringConcatenation();
+    _builder.append("import java.io.BufferedReader;");
+    _builder.newLine();
+    _builder.append("import java.io.IOException;");
+    _builder.newLine();
+    _builder.append("import java.io.InputStreamReader;");
+    _builder.newLine();
+    _builder.newLine();
+    _builder.append("public class ");
+    Resource _eResource = sm.eResource();
+    String _className = this.className(_eResource);
+    _builder.append(_className, "");
+    _builder.append(" {");
+    _builder.newLineIfNotEmpty();
+    _builder.append("\t");
+    _builder.newLine();
+    _builder.append("\t");
+    _builder.append("public static void main(String[] args) {");
+    _builder.newLine();
+    _builder.append("\t\t");
+    _builder.append("new ");
+    Resource _eResource_1 = sm.eResource();
+    String _className_1 = this.className(_eResource_1);
+    _builder.append(_className_1, "		");
+    _builder.append("().run();");
+    _builder.newLineIfNotEmpty();
+    _builder.append("\t");
+    _builder.append("}");
+    _builder.newLine();
+    _builder.append("\t");
+    _builder.newLine();
+    {
+      EList<Command> _commands = sm.getCommands();
+      for(final Command c : _commands) {
+        _builder.append("\t");
+        CharSequence _declareCommand = this.declareCommand(c);
+        _builder.append(_declareCommand, "	");
+        _builder.newLineIfNotEmpty();
+      }
+    }
+    _builder.append("\t");
+    _builder.newLine();
+    _builder.append("\t");
+    _builder.append("protected void run() {");
+    _builder.newLine();
+    _builder.append("\t\t");
+    _builder.append("boolean executeActions = true;");
+    _builder.newLine();
+    _builder.append("\t\t");
+    _builder.append("String currentState = \"");
+    EList<State> _states = sm.getStates();
+    State _head = IterableExtensions.<State>head(_states);
+    String _name = _head.getName();
+    _builder.append(_name, "		");
+    _builder.append("\";");
+    _builder.newLineIfNotEmpty();
+    _builder.append("\t\t");
+    _builder.append("String lastEvent = null;");
+    _builder.newLine();
+    _builder.append("\t\t");
+    _builder.append("while (true) {");
+    _builder.newLine();
+    {
+      EList<State> _states_1 = sm.getStates();
+      for(final State state : _states_1) {
+        _builder.append("\t\t\t");
+        CharSequence _generateCode = this.generateCode(state);
+        _builder.append(_generateCode, "			");
+        _builder.newLineIfNotEmpty();
+      }
+    }
+    {
+      EList<Event> _resetEvents = sm.getResetEvents();
+      for(final Event resetEvent : _resetEvents) {
+        _builder.append("\t\t\t");
+        _builder.append("if (\"");
+        String _name_1 = resetEvent.getName();
+        _builder.append(_name_1, "			");
+        _builder.append("\".equals(lastEvent)) {");
+        _builder.newLineIfNotEmpty();
+        _builder.append("\t\t\t");
+        _builder.append("\t");
+        _builder.append("System.out.println(\"Resetting state machine.\");");
+        _builder.newLine();
+        _builder.append("\t\t\t");
+        _builder.append("\t");
+        _builder.append("currentState = \"");
+        EList<State> _states_2 = sm.getStates();
+        State _head_1 = IterableExtensions.<State>head(_states_2);
+        String _name_2 = _head_1.getName();
+        _builder.append(_name_2, "				");
+        _builder.append("\";");
+        _builder.newLineIfNotEmpty();
+        _builder.append("\t\t\t");
+        _builder.append("\t");
+        _builder.append("executeActions = true;");
+        _builder.newLine();
+        _builder.append("\t\t\t");
+        _builder.append("}");
+        _builder.newLine();
+      }
+    }
+    _builder.append("\t\t\t");
+    _builder.newLine();
+    _builder.append("\t\t");
+    _builder.append("}");
+    _builder.newLine();
+    _builder.append("\t");
+    _builder.append("}");
+    _builder.newLine();
+    _builder.append("\t");
+    _builder.newLine();
+    _builder.append("\t");
+    _builder.append("private String receiveEvent() {");
+    _builder.newLine();
+    _builder.append("\t\t");
+    _builder.append("System.out.flush();");
+    _builder.newLine();
+    _builder.append("\t\t");
+    _builder.append("BufferedReader br = new BufferedReader(new InputStreamReader(System.in));");
+    _builder.newLine();
+    _builder.append("\t\t");
+    _builder.append("try {");
+    _builder.newLine();
+    _builder.append("\t\t\t");
+    _builder.append("return br.readLine();");
+    _builder.newLine();
+    _builder.append("\t\t");
+    _builder.append("} catch (IOException ioe) {");
+    _builder.newLine();
+    _builder.append("\t\t\t");
+    _builder.append("System.out.println(\"Problem reading input\");");
+    _builder.newLine();
+    _builder.append("\t\t\t");
+    _builder.append("return \"\";");
+    _builder.newLine();
+    _builder.append("\t\t");
+    _builder.append("}");
+    _builder.newLine();
+    _builder.append("\t");
+    _builder.append("}");
+    _builder.newLine();
+    _builder.append("}");
+    _builder.newLine();
+    return _builder;
+  }
+  
+  public CharSequence declareCommand(final Command command) {
+    StringConcatenation _builder = new StringConcatenation();
+    _builder.append("protected void do");
+    String _name = command.getName();
+    String _firstUpper = StringExtensions.toFirstUpper(_name);
+    _builder.append(_firstUpper, "");
+    _builder.append("() {");
+    _builder.newLineIfNotEmpty();
+    _builder.append("\t");
+    _builder.append("System.out.println(\"Executing command ");
+    String _name_1 = command.getName();
+    _builder.append(_name_1, "	");
+    _builder.append(" (");
+    String _code = command.getCode();
+    _builder.append(_code, "	");
+    _builder.append(")\");");
+    _builder.newLineIfNotEmpty();
+    _builder.append("}");
+    _builder.newLine();
+    return _builder;
+  }
+  
+  public CharSequence generateCode(final State state) {
+    StringConcatenation _builder = new StringConcatenation();
+    _builder.append("if (currentState.equals(\"");
+    String _name = state.getName();
+    _builder.append(_name, "");
+    _builder.append("\")) {");
+    _builder.newLineIfNotEmpty();
+    _builder.append("\t");
+    _builder.append("if (executeActions) {");
+    _builder.newLine();
+    {
+      EList<Command> _actions = state.getActions();
+      for(final Command c : _actions) {
+        _builder.append("\t\t");
+        _builder.append("do");
+        String _name_1 = c.getName();
+        String _firstUpper = StringExtensions.toFirstUpper(_name_1);
+        _builder.append(_firstUpper, "		");
+        _builder.append("();");
+        _builder.newLineIfNotEmpty();
+      }
+    }
+    _builder.append("\t\t");
+    _builder.append("executeActions = false;");
+    _builder.newLine();
+    _builder.append("\t");
+    _builder.append("}");
+    _builder.newLine();
+    _builder.append("\t");
+    _builder.append("System.out.println(\"Your are now in state \'");
+    String _name_2 = state.getName();
+    _builder.append(_name_2, "	");
+    _builder.append("\'. Possible events are [");
+    EList<Transition> _transitions = state.getTransitions();
+    final Function1<Transition,String> _function = new Function1<Transition,String>() {
+        public String apply(final Transition t) {
+          Event _event = t.getEvent();
+          String _name = _event.getName();
+          return _name;
+        }
+      };
+    List<String> _map = ListExtensions.<Transition, String>map(_transitions, _function);
+    String _join = IterableExtensions.join(_map, ", ");
+    _builder.append(_join, "	");
+    _builder.append("].\");");
+    _builder.newLineIfNotEmpty();
+    _builder.append("\t");
+    _builder.append("lastEvent = receiveEvent();");
+    _builder.newLine();
+    {
+      EList<Transition> _transitions_1 = state.getTransitions();
+      for(final Transition t : _transitions_1) {
+        _builder.append("\t");
+        _builder.append("if (\"");
+        Event _event = t.getEvent();
+        String _name_3 = _event.getName();
+        _builder.append(_name_3, "	");
+        _builder.append("\".equals(lastEvent)) {");
+        _builder.newLineIfNotEmpty();
+        _builder.append("\t");
+        _builder.append("\t");
+        _builder.append("currentState = \"");
+        State _state = t.getState();
+        String _name_4 = _state.getName();
+        _builder.append(_name_4, "		");
+        _builder.append("\";");
+        _builder.newLineIfNotEmpty();
+        _builder.append("\t");
+        _builder.append("\t");
+        _builder.append("executeActions = true;");
+        _builder.newLine();
+        _builder.append("\t");
+        _builder.append("}");
+        _builder.newLine();
+      }
+    }
+    _builder.append("}");
+    _builder.newLine();
+    return _builder;
+  }
+}
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/.classpath b/examples/plugins/org.xtext.example.mydsl.ui/.classpath
new file mode 100644
index 0000000..7e8449d
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/.classpath
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="src-gen"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/.project b/examples/plugins/org.xtext.example.mydsl.ui/.project
new file mode 100644
index 0000000..276e2f5
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/.project
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>org.xtext.example.mydsl.ui</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ManifestBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.SchemaBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.pde.PluginNature</nature>
+	</natures>
+</projectDescription>
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/.settings/org.eclipse.core.resources.prefs b/examples/plugins/org.xtext.example.mydsl.ui/.settings/org.eclipse.core.resources.prefs
new file mode 100644
index 0000000..99f26c0
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/.settings/org.eclipse.core.resources.prefs
@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+encoding/<project>=UTF-8
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/META-INF/MANIFEST.MF b/examples/plugins/org.xtext.example.mydsl.ui/META-INF/MANIFEST.MF
new file mode 100644
index 0000000..7ffd271
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/META-INF/MANIFEST.MF
@@ -0,0 +1,25 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: org.xtext.example.mydsl.ui
+Bundle-Vendor: My Company
+Bundle-Version: 1.0.0.qualifier
+Bundle-SymbolicName: org.xtext.example.mydsl.ui; singleton:=true
+Bundle-ActivationPolicy: lazy
+Require-Bundle: org.xtext.example.mydsl;visibility:=reexport,
+ org.eclipse.xtext.ui,
+ org.eclipse.ui.editors;bundle-version="3.5.0",
+ org.eclipse.ui.ide;bundle-version="3.5.0",
+ org.eclipse.xtext.ui.shared,
+ org.eclipse.ui,
+ org.eclipse.xtext.builder,
+ org.antlr.runtime,
+ org.eclipse.xtext.common.types.ui,
+ org.eclipse.xtext.ui.codetemplates.ui,
+ org.eclipse.compare
+Import-Package: org.apache.log4j
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
+Export-Package: org.xtext.example.mydsl.ui,
+ org.xtext.example.mydsl.ui.contentassist,
+ org.xtext.example.mydsl.ui.contentassist.antlr,
+ org.xtext.example.mydsl.ui.internal
+Bundle-Activator: org.xtext.example.mydsl.ui.internal.MyDslActivator
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/build.properties b/examples/plugins/org.xtext.example.mydsl.ui/build.properties
new file mode 100644
index 0000000..4b51b0a
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/build.properties
@@ -0,0 +1,7 @@
+source.. = src/,\
+          src-gen/
+bin.includes = META-INF/,\
+               .,\
+               plugin.xml,\
+               icons/
+
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/icons/sample.gif b/examples/plugins/org.xtext.example.mydsl.ui/icons/sample.gif
new file mode 100644
index 0000000..34fb3c9
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/icons/sample.gif
Binary files differ
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/plugin.xml b/examples/plugins/org.xtext.example.mydsl.ui/plugin.xml
new file mode 100644
index 0000000..9b8415a
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/plugin.xml
@@ -0,0 +1,338 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.0"?>
+
+<plugin>
+
+    <extension
+            point="org.eclipse.ui.editors">
+        <editor
+            class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.ui.editor.XtextEditor"
+            contributorClass="org.eclipse.ui.editors.text.TextEditorActionContributor"
+            default="true"
+            extensions="mydsl"
+            id="org.xtext.example.mydsl.MyDsl"
+            name="MyDsl Editor">
+        </editor>
+    </extension>
+    <extension
+        point="org.eclipse.ui.handlers">
+        <handler
+            class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.ui.editor.hyperlinking.OpenDeclarationHandler"
+            commandId="org.eclipse.xtext.ui.editor.hyperlinking.OpenDeclaration">
+            <activeWhen>
+                <reference
+                    definitionId="org.xtext.example.mydsl.MyDsl.Editor.opened">
+                </reference>
+            </activeWhen>
+        </handler>
+        <handler
+            class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.ui.editor.handler.ValidateActionHandler"
+            commandId="org.xtext.example.mydsl.MyDsl.validate">
+         <activeWhen>
+            <reference
+                    definitionId="org.xtext.example.mydsl.MyDsl.Editor.opened">
+            </reference>
+         </activeWhen>
+      </handler>
+    </extension>
+    <extension point="org.eclipse.core.expressions.definitions">
+        <definition id="org.xtext.example.mydsl.MyDsl.Editor.opened">
+            <and>
+                <reference definitionId="isActiveEditorAnInstanceOfXtextEditor"/>
+                <with variable="activeEditor">
+                    <test property="org.eclipse.xtext.ui.editor.XtextEditor.languageName" 
+                        value="org.xtext.example.mydsl.MyDsl" 
+                        forcePluginActivation="true"/>
+                </with>        
+            </and>
+        </definition>
+    </extension>
+    <extension
+            point="org.eclipse.ui.preferencePages">
+        <page
+            class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.ui.editor.preferences.LanguageRootPreferencePage"
+            id="org.xtext.example.mydsl.MyDsl"
+            name="MyDsl">
+            <keywordReference id="org.xtext.example.mydsl.ui.keyword_MyDsl"/>
+        </page>
+        <page
+            category="org.xtext.example.mydsl.MyDsl"
+            class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.ui.editor.syntaxcoloring.SyntaxColoringPreferencePage"
+            id="org.xtext.example.mydsl.MyDsl.coloring"
+            name="Syntax Coloring">
+            <keywordReference id="org.xtext.example.mydsl.ui.keyword_MyDsl"/>
+        </page>
+        <page
+            category="org.xtext.example.mydsl.MyDsl"
+            class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.ui.editor.templates.XtextTemplatePreferencePage"
+            id="org.xtext.example.mydsl.MyDsl.templates"
+            name="Templates">
+            <keywordReference id="org.xtext.example.mydsl.ui.keyword_MyDsl"/>
+        </page>
+    </extension>
+    <extension
+            point="org.eclipse.ui.propertyPages">
+        <page
+            class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.ui.editor.preferences.LanguageRootPreferencePage"
+            id="org.xtext.example.mydsl.MyDsl"
+            name="MyDsl">
+            <keywordReference id="org.xtext.example.mydsl.ui.keyword_MyDsl"/>
+            <enabledWhen>
+	            <adapt type="org.eclipse.core.resources.IProject"/>
+			</enabledWhen>
+	        <filter name="projectNature" value="org.eclipse.xtext.ui.shared.xtextNature"/>
+        </page>
+    </extension>
+    <extension
+        point="org.eclipse.ui.keywords">
+        <keyword
+            id="org.xtext.example.mydsl.ui.keyword_MyDsl"
+            label="MyDsl"/>
+    </extension>
+    <extension
+         point="org.eclipse.ui.commands">
+      <command
+            description="Trigger expensive validation"
+            id="org.xtext.example.mydsl.MyDsl.validate"
+            name="Validate">
+      </command>
+    </extension>
+    <extension point="org.eclipse.ui.menus">
+        <menuContribution
+            locationURI="popup:#TextEditorContext?after=group.edit">
+             <command
+                 commandId="org.xtext.example.mydsl.MyDsl.validate"
+                 style="push"
+                 tooltip="Trigger expensive validation">
+            <visibleWhen checkEnabled="false">
+                <reference
+                    definitionId="org.xtext.example.mydsl.MyDsl.Editor.opened">
+                </reference>
+            </visibleWhen>
+         </command>  
+         </menuContribution>
+    </extension>
+    <extension point="org.eclipse.ui.menus">
+		<menuContribution locationURI="popup:#TextEditorContext?endof=group.find">
+			<command commandId="org.eclipse.xtext.ui.editor.FindReferences">
+				<visibleWhen checkEnabled="false">
+                	<reference definitionId="org.xtext.example.mydsl.MyDsl.Editor.opened">
+                	</reference>
+            	</visibleWhen>
+			</command>
+		</menuContribution>
+	</extension>
+	<extension point="org.eclipse.ui.handlers">
+	    <handler
+            class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.ui.editor.findrefs.FindReferencesHandler"
+            commandId="org.eclipse.xtext.ui.editor.FindReferences">
+            <activeWhen>
+                <reference
+                    definitionId="org.xtext.example.mydsl.MyDsl.Editor.opened">
+                </reference>
+            </activeWhen>
+        </handler>
+    </extension>   
+
+<!-- adding resource factories -->
+
+	<extension
+		point="org.eclipse.emf.ecore.extension_parser">
+		<parser
+			class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.resource.IResourceFactory"
+			type="mydsl">
+		</parser>
+	</extension>
+	<extension point="org.eclipse.xtext.extension_resourceServiceProvider">
+        <resourceServiceProvider
+            class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.ui.resource.IResourceUIServiceProvider"
+            uriExtension="mydsl">
+        </resourceServiceProvider>
+    </extension>
+
+
+    <!-- marker definitions for org.xtext.example.mydsl.MyDsl -->
+    <extension
+            id="mydsl.check.fast"
+            name="MyDsl Problem"
+            point="org.eclipse.core.resources.markers">
+        <super type="org.eclipse.xtext.ui.check.fast"/>
+        <persistent value="true"/>
+    </extension>
+    <extension
+            id="mydsl.check.normal"
+            name="MyDsl Problem"
+            point="org.eclipse.core.resources.markers">
+        <super type="org.eclipse.xtext.ui.check.normal"/>
+        <persistent value="true"/>
+    </extension>
+    <extension
+            id="mydsl.check.expensive"
+            name="MyDsl Problem"
+            point="org.eclipse.core.resources.markers">
+        <super type="org.eclipse.xtext.ui.check.expensive"/>
+        <persistent value="true"/>
+    </extension>
+
+   <extension
+         point="org.eclipse.xtext.builder.participant">
+      <participant
+            class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.builder.IXtextBuilderParticipant">
+      </participant>
+   </extension>
+   <extension
+            point="org.eclipse.ui.preferencePages">
+        <page
+            category="org.xtext.example.mydsl.MyDsl"
+            class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.builder.preferences.BuilderPreferencePage"
+            id="org.xtext.example.mydsl.MyDsl.compiler.preferencePage"
+            name="Compiler">
+            <keywordReference id="org.xtext.example.mydsl.ui.keyword_MyDsl"/>
+        </page>
+    </extension>
+    <extension
+            point="org.eclipse.ui.propertyPages">
+        <page
+            category="org.xtext.example.mydsl.MyDsl"
+            class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.builder.preferences.BuilderPreferencePage"
+            id="org.xtext.example.mydsl.MyDsl.compiler.propertyPage"
+            name="Compiler">
+            <keywordReference id="org.xtext.example.mydsl.ui.keyword_MyDsl"/>
+            <enabledWhen>
+	            <adapt type="org.eclipse.core.resources.IProject"/>
+			</enabledWhen>
+	        <filter name="projectNature" value="org.eclipse.xtext.ui.shared.xtextNature"/>
+        </page>
+    </extension>
+
+	<!-- Quick Outline -->
+	<extension
+		point="org.eclipse.ui.handlers">
+		<handler 
+			class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.ui.editor.outline.quickoutline.ShowQuickOutlineActionHandler"
+			commandId="org.eclipse.xtext.ui.editor.outline.QuickOutline">
+			<activeWhen>
+				<reference
+					definitionId="org.xtext.example.mydsl.MyDsl.Editor.opened">
+				</reference>
+			</activeWhen>
+		</handler>
+	</extension>
+	<extension
+		point="org.eclipse.ui.commands">
+		<command
+			description="Open the quick outline."
+			id="org.eclipse.xtext.ui.editor.outline.QuickOutline"
+			name="Quick Outline">
+		</command>
+	</extension>
+	<extension point="org.eclipse.ui.menus">
+		<menuContribution
+			locationURI="popup:#TextEditorContext?after=group.open">
+			<command commandId="org.eclipse.xtext.ui.editor.outline.QuickOutline"
+				style="push"
+				tooltip="Open Quick Outline">
+				<visibleWhen checkEnabled="false">
+					<reference definitionId="org.xtext.example.mydsl.MyDsl.Editor.opened"/>
+				</visibleWhen>
+			</command>
+		</menuContribution>
+	</extension>
+    <!-- quickfix marker resolution generator for org.xtext.example.mydsl.MyDsl -->
+    <extension
+            point="org.eclipse.ui.ide.markerResolution">
+        <markerResolutionGenerator
+            class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.ui.editor.quickfix.MarkerResolutionGenerator"
+            markerType="org.xtext.example.mydsl.ui.mydsl.check.fast">
+            <attribute
+                name="FIXABLE_KEY"
+                value="true">
+            </attribute>
+        </markerResolutionGenerator>
+        <markerResolutionGenerator
+            class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.ui.editor.quickfix.MarkerResolutionGenerator"
+            markerType="org.xtext.example.mydsl.ui.mydsl.check.normal">
+            <attribute
+                name="FIXABLE_KEY"
+                value="true">
+            </attribute>
+        </markerResolutionGenerator>
+        <markerResolutionGenerator
+            class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.ui.editor.quickfix.MarkerResolutionGenerator"
+            markerType="org.xtext.example.mydsl.ui.mydsl.check.expensive">
+            <attribute
+                name="FIXABLE_KEY"
+                value="true">
+            </attribute>
+        </markerResolutionGenerator>
+    </extension>
+   	<!-- Rename Refactoring -->
+	<extension point="org.eclipse.ui.handlers">
+		<handler 
+			class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.ui.refactoring.ui.IRenameElementHandler"
+			commandId="org.eclipse.xtext.ui.refactoring.RenameElement">
+			<activeWhen>
+				<reference
+					definitionId="org.xtext.example.mydsl.MyDsl.Editor.opened">
+				</reference>
+			</activeWhen>
+		</handler>
+	</extension>
+    <extension point="org.eclipse.ui.menus">
+         <menuContribution
+            locationURI="popup:#TextEditorContext?after=group.edit">
+         <command commandId="org.eclipse.xtext.ui.refactoring.RenameElement"
+               style="push">
+            <visibleWhen checkEnabled="false">
+               <reference
+                     definitionId="org.xtext.example.mydsl.MyDsl.Editor.opened">
+               </reference>
+            </visibleWhen>
+         </command>
+      </menuContribution>
+   </extension>
+   <extension point="org.eclipse.ui.preferencePages">
+	    <page
+	        category="org.xtext.example.mydsl.MyDsl"
+	        class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.ui.refactoring.ui.RefactoringPreferencePage"
+	        id="org.xtext.example.mydsl.MyDsl.refactoring"
+	        name="Refactoring">
+	        <keywordReference id="org.xtext.example.mydsl.ui.keyword_MyDsl"/>
+	    </page>
+	</extension>
+
+  <extension point="org.eclipse.compare.contentViewers">
+    <viewer id="org.xtext.example.mydsl.MyDsl.compare.contentViewers"
+            class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.ui.compare.InjectableViewerCreator"
+            extensions="mydsl">
+    </viewer>
+  </extension>
+  <extension point="org.eclipse.compare.contentMergeViewers">
+    <viewer id="org.xtext.example.mydsl.MyDsl.compare.contentMergeViewers"
+            class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.ui.compare.InjectableViewerCreator"
+            extensions="mydsl" label="MyDsl Compare">
+     </viewer>
+  </extension>
+  <extension point="org.eclipse.ui.editors.documentProviders">
+    <provider id="org.xtext.example.mydsl.MyDsl.editors.documentProviders"
+            class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.ui.editor.model.XtextDocumentProvider"
+            extensions="mydsl">
+    </provider>
+  </extension>
+  
+     <extension
+         point="org.eclipse.ui.views">
+      <category
+            name="Sample Category"
+            id="org.xtext.example.mydsl.views">
+      </category>
+      <view
+            name="Xtext Sample View"
+            icon="icons/sample.gif"
+            category="org.xtext.example.mydsl.views"
+            class="org.xtext.example.mydsl.ui.MyDslExecutableExtensionFactory:org.xtext.example.mydsl.ui.views.XtextSampleView"
+            id="org.xtext.example.mydsl.ui.views.XtextSampleView">
+      </view>
+   </extension>
+
+</plugin>
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/AbstractMyDslUiModule.java b/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/AbstractMyDslUiModule.java
new file mode 100644
index 0000000..8ac5655
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/AbstractMyDslUiModule.java
@@ -0,0 +1,247 @@
+
+/*
+ * generated by Xtext
+ */
+package org.xtext.example.mydsl.ui;
+
+import org.eclipse.xtext.ui.DefaultUiModule;
+import org.eclipse.ui.plugin.AbstractUIPlugin;
+
+/**
+ * Manual modifications go to {org.xtext.example.mydsl.ui.MyDslUiModule}
+ */
+@SuppressWarnings("all")
+public abstract class AbstractMyDslUiModule extends DefaultUiModule {
+	
+	public AbstractMyDslUiModule(AbstractUIPlugin plugin) {
+		super(plugin);
+	}
+	
+	
+	// contributed by org.eclipse.xtext.ui.generator.ImplicitUiFragment
+	public com.google.inject.Provider<org.eclipse.xtext.resource.containers.IAllContainersState> provideIAllContainersState() {
+		return org.eclipse.xtext.ui.shared.Access.getJavaProjectsState();
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.contentassist.IProposalConflictHelper> bindIProposalConflictHelper() {
+		return org.eclipse.xtext.ui.editor.contentassist.antlr.AntlrProposalConflictHelper.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public void configureHighlightingLexer(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.parser.antlr.Lexer.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.ui.LexerUIBindings.HIGHLIGHTING)).to(org.xtext.example.mydsl.parser.antlr.internal.InternalMyDslLexer.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public void configureHighlightingTokenDefProvider(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.parser.antlr.ITokenDefProvider.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.ui.LexerUIBindings.HIGHLIGHTING)).to(org.eclipse.xtext.parser.antlr.AntlrTokenDefProvider.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.exporting.QualifiedNamesFragment
+	public Class<? extends org.eclipse.xtext.ui.refactoring.IDependentElementsCalculator> bindIDependentElementsCalculator() {
+		return org.eclipse.xtext.ui.refactoring.impl.DefaultDependentElementsCalculator.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public void configureIResourceDescriptionsBuilderScope(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.resource.IResourceDescriptions.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.resource.impl.ResourceDescriptionsProvider.NAMED_BUILDER_SCOPE)).to(org.eclipse.xtext.builder.clustering.CurrentDescriptions.ResourceSetAware.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.IXtextEditorCallback> bindIXtextEditorCallback() {
+		return org.eclipse.xtext.builder.nature.NatureAddingEditorCallback.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public void configureIResourceDescriptionsPersisted(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.resource.IResourceDescriptions.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.builder.impl.PersistentDataAwareDirtyResource.PERSISTED_DESCRIPTIONS)).to(org.eclipse.xtext.builder.builderState.IBuilderState.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.DocumentBasedDirtyResource> bindDocumentBasedDirtyResource() {
+		return org.eclipse.xtext.builder.impl.PersistentDataAwareDirtyResource.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.generator.GeneratorFragment
+	public Class<? extends org.eclipse.xtext.builder.IXtextBuilderParticipant> bindIXtextBuilderParticipant() {
+		return org.eclipse.xtext.builder.BuilderParticipant.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.generator.GeneratorFragment
+	public org.eclipse.core.resources.IWorkspaceRoot bindIWorkspaceRootToInstance() {
+		return org.eclipse.core.resources.ResourcesPlugin.getWorkspace().getRoot();
+	}
+
+	// contributed by org.eclipse.xtext.generator.generator.GeneratorFragment
+	public void configureBuilderPreferenceStoreInitializer(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.ui.editor.preferences.IPreferenceStoreInitializer.class).annotatedWith(com.google.inject.name.Names.named("builderPreferenceInitializer")).to(org.eclipse.xtext.builder.preferences.BuilderPreferenceAccess.Initializer.class);
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.labeling.LabelProviderFragment
+	public Class<? extends org.eclipse.jface.viewers.ILabelProvider> bindILabelProvider() {
+		return org.xtext.example.mydsl.ui.labeling.MyDslLabelProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.labeling.LabelProviderFragment
+	public void configureResourceUIServiceLabelProvider(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.jface.viewers.ILabelProvider.class).annotatedWith(org.eclipse.xtext.ui.resource.ResourceServiceDescriptionLabelProvider.class).to(org.xtext.example.mydsl.ui.labeling.MyDslDescriptionLabelProvider.class);
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.outline.OutlineTreeProviderFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.outline.IOutlineTreeProvider> bindIOutlineTreeProvider() {
+		return org.xtext.example.mydsl.ui.outline.MyDslOutlineTreeProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.outline.OutlineTreeProviderFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.outline.impl.IOutlineTreeStructureProvider> bindIOutlineTreeStructureProvider() {
+		return org.xtext.example.mydsl.ui.outline.MyDslOutlineTreeProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.quickfix.QuickfixProviderFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.quickfix.IssueResolutionProvider> bindIssueResolutionProvider() {
+		return org.xtext.example.mydsl.ui.quickfix.MyDslQuickfixProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.contentAssist.JavaBasedContentAssistFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.contentassist.IContentProposalProvider> bindIContentProposalProvider() {
+		return org.xtext.example.mydsl.ui.contentassist.MyDslProposalProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrUiGeneratorFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.contentassist.ContentAssistContext.Factory> bindContentAssistContext$Factory() {
+		return org.eclipse.xtext.ui.editor.contentassist.antlr.ParserBasedContentAssistContextFactory.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrUiGeneratorFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.contentassist.antlr.IContentAssistParser> bindIContentAssistParser() {
+		return org.xtext.example.mydsl.ui.contentassist.antlr.MyDslParser.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrUiGeneratorFragment
+	public void configureContentAssistLexerProvider(com.google.inject.Binder binder) {
+		binder.bind(org.xtext.example.mydsl.ui.contentassist.antlr.internal.InternalMyDslLexer.class).toProvider(org.eclipse.xtext.parser.antlr.LexerProvider.create(org.xtext.example.mydsl.ui.contentassist.antlr.internal.InternalMyDslLexer.class));
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrUiGeneratorFragment
+	public void configureContentAssistLexer(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.ui.editor.contentassist.antlr.internal.Lexer.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.ui.LexerUIBindings.CONTENT_ASSIST)).to(org.xtext.example.mydsl.ui.contentassist.antlr.internal.InternalMyDslLexer.class);
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.refactoring.RefactorElementNameFragment
+	public Class<? extends org.eclipse.xtext.ui.refactoring.IRenameStrategy> bindIRenameStrategy() {
+		return org.eclipse.xtext.ui.refactoring.impl.DefaultRenameStrategy.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.refactoring.RefactorElementNameFragment
+	public Class<? extends org.eclipse.xtext.ui.refactoring.IReferenceUpdater> bindIReferenceUpdater() {
+		return org.eclipse.xtext.ui.refactoring.impl.DefaultReferenceUpdater.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.refactoring.RefactorElementNameFragment
+	public void configureIPreferenceStoreInitializer(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.ui.editor.preferences.IPreferenceStoreInitializer.class).annotatedWith(com.google.inject.name.Names.named("RefactoringPreferences")).to(org.eclipse.xtext.ui.refactoring.ui.RefactoringPreferences.Initializer.class);
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.refactoring.RefactorElementNameFragment
+	public Class<? extends org.eclipse.xtext.ui.refactoring.IRenameRefactoringProvider> bindIRenameRefactoringProvider() {
+		return org.eclipse.xtext.ui.refactoring.impl.DefaultRenameRefactoringProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.refactoring.RefactorElementNameFragment
+	public Class<? extends org.eclipse.xtext.ui.refactoring.ui.IRenameSupport.Factory> bindIRenameSupport$Factory() {
+		return org.eclipse.xtext.ui.refactoring.ui.DefaultRenameSupport.Factory.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.refactoring.RefactorElementNameFragment
+	public Class<? extends org.eclipse.xtext.ui.refactoring.ui.IRenameElementHandler> bindIRenameElementHandler() {
+		return org.eclipse.xtext.ui.refactoring.ui.DefaultRenameElementHandler.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public java.lang.ClassLoader bindClassLoaderToInstance() {
+		return getClass().getClassLoader();
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.common.types.access.IJvmTypeProvider.Factory> bindIJvmTypeProvider$Factory() {
+		return org.eclipse.xtext.common.types.access.jdt.JdtTypeProviderFactory.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.common.types.xtext.AbstractTypeScopeProvider> bindAbstractTypeScopeProvider() {
+		return org.eclipse.xtext.common.types.xtext.ui.JdtBasedSimpleTypeScopeProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.common.types.xtext.ui.ITypesProposalProvider> bindITypesProposalProvider() {
+		return org.eclipse.xtext.common.types.xtext.ui.JdtTypesProposalProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.common.types.access.jdt.IJavaProjectProvider> bindIJavaProjectProvider() {
+		return org.eclipse.xtext.common.types.xtext.ui.XtextResourceSetBasedProjectProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.hyperlinking.IHyperlinkHelper> bindIHyperlinkHelper() {
+		return org.eclipse.xtext.common.types.xtext.ui.TypeAwareHyperlinkHelper.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.contentassist.PrefixMatcher> bindPrefixMatcher() {
+		return org.eclipse.xtext.ui.editor.contentassist.FQNPrefixMatcher.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.contentassist.AbstractJavaBasedContentProposalProvider.ReferenceProposalCreator> bindAbstractJavaBasedContentProposalProvider$ReferenceProposalCreator() {
+		return org.eclipse.xtext.common.types.xtext.ui.TypeAwareReferenceProposalCreator.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.IValidationJobScheduler> bindIValidationJobScheduler() {
+		return org.eclipse.xtext.common.types.xtext.ui.JdtValidationJobScheduler.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.ui.refactoring.impl.RefactoringResourceSetProvider> bindRefactoringResourceSetProvider() {
+		return org.eclipse.xtext.common.types.ui.refactoring.JvmRefactoringResourceSetProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.common.types.ui.query.IJavaSearchParticipation> bindIJavaSearchParticipation() {
+		return org.eclipse.xtext.common.types.ui.query.IJavaSearchParticipation.Yes.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.templates.CodetemplatesGeneratorFragment
+	public com.google.inject.Provider<org.eclipse.xtext.ui.codetemplates.ui.preferences.TemplatesLanguageConfiguration> provideTemplatesLanguageConfiguration() {
+		return org.eclipse.xtext.ui.codetemplates.ui.AccessibleCodetemplatesActivator.getTemplatesLanguageConfigurationProvider();
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.templates.CodetemplatesGeneratorFragment
+	public com.google.inject.Provider<org.eclipse.xtext.ui.codetemplates.ui.registry.LanguageRegistry> provideLanguageRegistry() {
+		return org.eclipse.xtext.ui.codetemplates.ui.AccessibleCodetemplatesActivator.getLanguageRegistry();
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.templates.CodetemplatesGeneratorFragment
+	@org.eclipse.xtext.service.SingletonBinding(eager=true)	public Class<? extends org.eclipse.xtext.ui.codetemplates.ui.registry.LanguageRegistrar> bindLanguageRegistrar() {
+		return org.eclipse.xtext.ui.codetemplates.ui.registry.LanguageRegistrar.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.templates.CodetemplatesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.ui.editor.templates.XtextTemplatePreferencePage> bindXtextTemplatePreferencePage() {
+		return org.eclipse.xtext.ui.codetemplates.ui.preferences.AdvancedTemplatesPreferencePage.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.templates.CodetemplatesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.ui.codetemplates.ui.partialEditing.IPartialContentAssistParser> bindIPartialContentAssistParser() {
+		return org.xtext.example.mydsl.ui.contentassist.antlr.PartialMyDslContentAssistParser.class;
+	}
+
+	// contributed by org.eclipse.xtext.ui.generator.compare.CompareFragment
+	public Class<? extends org.eclipse.compare.IViewerCreator> bindIViewerCreator() {
+		return org.eclipse.xtext.ui.compare.DefaultViewerCreator.class;
+	}
+
+
+}
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/MyDslExecutableExtensionFactory.java b/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/MyDslExecutableExtensionFactory.java
new file mode 100644
index 0000000..bd44482
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/MyDslExecutableExtensionFactory.java
@@ -0,0 +1,29 @@
+/*
+ * generated by Xtext
+ */
+package org.xtext.example.mydsl.ui;
+
+import org.eclipse.xtext.ui.guice.AbstractGuiceAwareExecutableExtensionFactory;
+import org.osgi.framework.Bundle;
+
+import com.google.inject.Injector;
+
+import org.xtext.example.mydsl.ui.internal.MyDslActivator;
+
+/**
+ * This class was generated. Customizations should only happen in a newly
+ * introduced subclass. 
+ */
+public class MyDslExecutableExtensionFactory extends AbstractGuiceAwareExecutableExtensionFactory {
+
+	@Override
+	protected Bundle getBundle() {
+		return MyDslActivator.getInstance().getBundle();
+	}
+	
+	@Override
+	protected Injector getInjector() {
+		return MyDslActivator.getInstance().getInjector(MyDslActivator.ORG_XTEXT_EXAMPLE_MYDSL_MYDSL);
+	}
+	
+}
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/AbstractMyDslProposalProvider.java b/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/AbstractMyDslProposalProvider.java
new file mode 100644
index 0000000..a86abed
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/AbstractMyDslProposalProvider.java
@@ -0,0 +1,33 @@
+/*
+* generated by Xtext
+*/
+package org.xtext.example.mydsl.ui.contentassist;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.*;
+import org.eclipse.xtext.common.ui.contentassist.TerminalsProposalProvider;
+import org.eclipse.xtext.ui.editor.contentassist.ICompletionProposalAcceptor;
+import org.eclipse.xtext.ui.editor.contentassist.ContentAssistContext;
+
+/**
+ * Represents a generated, default implementation of interface {@link IProposalProvider}.
+ * Methods are dynamically dispatched on the first parameter, i.e., you can override them 
+ * with a more concrete subtype. 
+ */
+@SuppressWarnings("all")
+public class AbstractMyDslProposalProvider extends TerminalsProposalProvider {
+		
+	public void completeModel_Greetings(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+	public void completeGreeting_Name(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		completeRuleCall(((RuleCall)assignment.getTerminal()), context, acceptor);
+	}
+    
+	public void complete_Model(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		// subclasses may override
+	}
+	public void complete_Greeting(EObject model, RuleCall ruleCall, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
+		// subclasses may override
+	}
+}
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/MyDslParser.java b/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/MyDslParser.java
new file mode 100644
index 0000000..4b01c3f
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/MyDslParser.java
@@ -0,0 +1,72 @@
+/*
+* generated by Xtext
+*/
+package org.xtext.example.mydsl.ui.contentassist.antlr;
+
+import java.util.Collection;
+import java.util.Map;
+import java.util.HashMap;
+
+import org.antlr.runtime.RecognitionException;
+import org.eclipse.xtext.AbstractElement;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.AbstractContentAssistParser;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.FollowElement;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.AbstractInternalContentAssistParser;
+
+import com.google.inject.Inject;
+
+import org.xtext.example.mydsl.services.MyDslGrammarAccess;
+
+public class MyDslParser extends AbstractContentAssistParser {
+	
+	@Inject
+	private MyDslGrammarAccess grammarAccess;
+	
+	private Map<AbstractElement, String> nameMappings;
+	
+	@Override
+	protected org.xtext.example.mydsl.ui.contentassist.antlr.internal.InternalMyDslParser createParser() {
+		org.xtext.example.mydsl.ui.contentassist.antlr.internal.InternalMyDslParser result = new org.xtext.example.mydsl.ui.contentassist.antlr.internal.InternalMyDslParser(null);
+		result.setGrammarAccess(grammarAccess);
+		return result;
+	}
+	
+	@Override
+	protected String getRuleName(AbstractElement element) {
+		if (nameMappings == null) {
+			nameMappings = new HashMap<AbstractElement, String>() {
+				private static final long serialVersionUID = 1L;
+				{
+					put(grammarAccess.getGreetingAccess().getGroup(), "rule__Greeting__Group__0");
+					put(grammarAccess.getModelAccess().getGreetingsAssignment(), "rule__Model__GreetingsAssignment");
+					put(grammarAccess.getGreetingAccess().getNameAssignment_1(), "rule__Greeting__NameAssignment_1");
+				}
+			};
+		}
+		return nameMappings.get(element);
+	}
+	
+	@Override
+	protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
+		try {
+			org.xtext.example.mydsl.ui.contentassist.antlr.internal.InternalMyDslParser typedParser = (org.xtext.example.mydsl.ui.contentassist.antlr.internal.InternalMyDslParser) parser;
+			typedParser.entryRuleModel();
+			return typedParser.getFollowElements();
+		} catch(RecognitionException ex) {
+			throw new RuntimeException(ex);
+		}		
+	}
+	
+	@Override
+	protected String[] getInitialHiddenTokens() {
+		return new String[] { "RULE_WS", "RULE_ML_COMMENT", "RULE_SL_COMMENT" };
+	}
+	
+	public MyDslGrammarAccess getGrammarAccess() {
+		return this.grammarAccess;
+	}
+	
+	public void setGrammarAccess(MyDslGrammarAccess grammarAccess) {
+		this.grammarAccess = grammarAccess;
+	}
+}
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/PartialMyDslContentAssistParser.java b/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/PartialMyDslContentAssistParser.java
new file mode 100644
index 0000000..523165a
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/PartialMyDslContentAssistParser.java
@@ -0,0 +1,37 @@
+/*
+ * generated by Xtext
+ */
+package org.xtext.example.mydsl.ui.contentassist.antlr;
+
+import java.util.Collection;
+import java.util.Collections;
+
+import org.eclipse.xtext.AbstractRule;
+import org.eclipse.xtext.ui.codetemplates.ui.partialEditing.IPartialContentAssistParser;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.FollowElement;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.AbstractInternalContentAssistParser;
+import org.eclipse.xtext.util.PolymorphicDispatcher;
+
+/**
+ * @author Sebastian Zarnekow - Initial contribution and API
+ */
+public class PartialMyDslContentAssistParser extends MyDslParser implements IPartialContentAssistParser {
+
+	private AbstractRule rule;
+
+	public void initializeFor(AbstractRule rule) {
+		this.rule = rule;
+	}
+	
+	@Override
+	protected Collection<FollowElement> getFollowElements(AbstractInternalContentAssistParser parser) {
+		if (rule == null || rule.eIsProxy())
+			return Collections.emptyList();
+		String methodName = "entryRule" + rule.getName();
+		PolymorphicDispatcher<Collection<FollowElement>> dispatcher = 
+			new PolymorphicDispatcher<Collection<FollowElement>>(methodName, 0, 0, Collections.singletonList(parser));
+		dispatcher.invoke();
+		return parser.getFollowElements();
+	}
+
+}
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g b/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g
new file mode 100644
index 0000000..43d27de
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g
@@ -0,0 +1,260 @@
+/*
+* generated by Xtext
+*/
+grammar InternalMyDsl;
+
+options {
+	superClass=AbstractInternalContentAssistParser;
+	
+}
+
+@lexer::header {
+package org.xtext.example.mydsl.ui.contentassist.antlr.internal;
+
+// Hack: Use our own Lexer superclass by means of import. 
+// Currently there is no other way to specify the superclass for the lexer.
+import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.Lexer;
+}
+
+@parser::header {
+package org.xtext.example.mydsl.ui.contentassist.antlr.internal; 
+
+import java.io.InputStream;
+import org.eclipse.xtext.*;
+import org.eclipse.xtext.parser.*;
+import org.eclipse.xtext.parser.impl.*;
+import org.eclipse.emf.ecore.util.EcoreUtil;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream.HiddenTokens;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.AbstractInternalContentAssistParser;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.DFA;
+import org.xtext.example.mydsl.services.MyDslGrammarAccess;
+
+}
+
+@parser::members {
+ 
+ 	private MyDslGrammarAccess grammarAccess;
+ 	
+    public void setGrammarAccess(MyDslGrammarAccess grammarAccess) {
+    	this.grammarAccess = grammarAccess;
+    }
+    
+    @Override
+    protected Grammar getGrammar() {
+    	return grammarAccess.getGrammar();
+    }
+    
+    @Override
+    protected String getValueForTokenName(String tokenName) {
+    	return tokenName;
+    }
+
+}
+
+
+
+
+// Entry rule entryRuleModel
+entryRuleModel 
+:
+{ before(grammarAccess.getModelRule()); }
+	 ruleModel
+{ after(grammarAccess.getModelRule()); } 
+	 EOF 
+;
+
+// Rule Model
+ruleModel
+    @init {
+		int stackSize = keepStackSize();
+    }
+	:
+(
+{ before(grammarAccess.getModelAccess().getGreetingsAssignment()); }
+(rule__Model__GreetingsAssignment)*
+{ after(grammarAccess.getModelAccess().getGreetingsAssignment()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+// Entry rule entryRuleGreeting
+entryRuleGreeting 
+:
+{ before(grammarAccess.getGreetingRule()); }
+	 ruleGreeting
+{ after(grammarAccess.getGreetingRule()); } 
+	 EOF 
+;
+
+// Rule Greeting
+ruleGreeting
+    @init {
+		int stackSize = keepStackSize();
+    }
+	:
+(
+{ before(grammarAccess.getGreetingAccess().getGroup()); }
+(rule__Greeting__Group__0)
+{ after(grammarAccess.getGreetingAccess().getGroup()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+rule__Greeting__Group__0
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Greeting__Group__0__Impl
+	rule__Greeting__Group__1
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Greeting__Group__0__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getGreetingAccess().getHelloKeyword_0()); }
+
+	'Hello' 
+
+{ after(grammarAccess.getGreetingAccess().getHelloKeyword_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Greeting__Group__1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Greeting__Group__1__Impl
+	rule__Greeting__Group__2
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Greeting__Group__1__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getGreetingAccess().getNameAssignment_1()); }
+(rule__Greeting__NameAssignment_1)
+{ after(grammarAccess.getGreetingAccess().getNameAssignment_1()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+rule__Greeting__Group__2
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+	rule__Greeting__Group__2__Impl
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Greeting__Group__2__Impl
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getGreetingAccess().getExclamationMarkKeyword_2()); }
+
+	'!' 
+
+{ after(grammarAccess.getGreetingAccess().getExclamationMarkKeyword_2()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+
+
+
+
+
+
+
+rule__Model__GreetingsAssignment
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getModelAccess().getGreetingsGreetingParserRuleCall_0()); }
+	ruleGreeting{ after(grammarAccess.getModelAccess().getGreetingsGreetingParserRuleCall_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+rule__Greeting__NameAssignment_1
+    @init {
+		int stackSize = keepStackSize();
+    }
+:
+(
+{ before(grammarAccess.getGreetingAccess().getNameIDTerminalRuleCall_1_0()); }
+	RULE_ID{ after(grammarAccess.getGreetingAccess().getNameIDTerminalRuleCall_1_0()); }
+)
+
+;
+finally {
+	restoreStackSize(stackSize);
+}
+
+
+RULE_ID : '^'? ('a'..'z'|'A'..'Z'|'_') ('a'..'z'|'A'..'Z'|'_'|'0'..'9')*;
+
+RULE_INT : ('0'..'9')+;
+
+RULE_STRING : ('"' ('\\' ('b'|'t'|'n'|'f'|'r'|'u'|'"'|'\''|'\\')|~(('\\'|'"')))* '"'|'\'' ('\\' ('b'|'t'|'n'|'f'|'r'|'u'|'"'|'\''|'\\')|~(('\\'|'\'')))* '\'');
+
+RULE_ML_COMMENT : '/*' ( options {greedy=false;} : . )*'*/';
+
+RULE_SL_COMMENT : '//' ~(('\n'|'\r'))* ('\r'? '\n')?;
+
+RULE_WS : (' '|'\t'|'\r'|'\n')+;
+
+RULE_ANY_OTHER : .;
+
+
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.tokens b/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.tokens
new file mode 100644
index 0000000..056b618
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.tokens
@@ -0,0 +1,11 @@
+RULE_ID=4
+RULE_STRING=6
+T__12=12
+T__11=11
+RULE_ANY_OTHER=10
+RULE_INT=5
+RULE_WS=9
+RULE_SL_COMMENT=8
+RULE_ML_COMMENT=7
+'!'=12
+'Hello'=11
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDslLexer.java b/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDslLexer.java
new file mode 100644
index 0000000..086eae3
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDslLexer.java
@@ -0,0 +1,803 @@
+package org.xtext.example.mydsl.ui.contentassist.antlr.internal;
+
+// Hack: Use our own Lexer superclass by means of import. 
+// Currently there is no other way to specify the superclass for the lexer.
+import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.Lexer;
+
+
+import org.antlr.runtime.*;
+import java.util.Stack;
+import java.util.List;
+import java.util.ArrayList;
+
+@SuppressWarnings("all")
+public class InternalMyDslLexer extends Lexer {
+    public static final int RULE_ID=4;
+    public static final int RULE_STRING=6;
+    public static final int T__12=12;
+    public static final int T__11=11;
+    public static final int RULE_ANY_OTHER=10;
+    public static final int RULE_INT=5;
+    public static final int RULE_WS=9;
+    public static final int RULE_SL_COMMENT=8;
+    public static final int EOF=-1;
+    public static final int RULE_ML_COMMENT=7;
+
+    // delegates
+    // delegators
+
+    public InternalMyDslLexer() {;} 
+    public InternalMyDslLexer(CharStream input) {
+        this(input, new RecognizerSharedState());
+    }
+    public InternalMyDslLexer(CharStream input, RecognizerSharedState state) {
+        super(input,state);
+
+    }
+    public String getGrammarFileName() { return "../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g"; }
+
+    // $ANTLR start "T__11"
+    public final void mT__11() throws RecognitionException {
+        try {
+            int _type = T__11;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:11:7: ( 'Hello' )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:11:9: 'Hello'
+            {
+            match("Hello"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__11"
+
+    // $ANTLR start "T__12"
+    public final void mT__12() throws RecognitionException {
+        try {
+            int _type = T__12;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:12:7: ( '!' )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:12:9: '!'
+            {
+            match('!'); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__12"
+
+    // $ANTLR start "RULE_ID"
+    public final void mRULE_ID() throws RecognitionException {
+        try {
+            int _type = RULE_ID;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:246:9: ( ( '^' )? ( 'a' .. 'z' | 'A' .. 'Z' | '_' ) ( 'a' .. 'z' | 'A' .. 'Z' | '_' | '0' .. '9' )* )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:246:11: ( '^' )? ( 'a' .. 'z' | 'A' .. 'Z' | '_' ) ( 'a' .. 'z' | 'A' .. 'Z' | '_' | '0' .. '9' )*
+            {
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:246:11: ( '^' )?
+            int alt1=2;
+            int LA1_0 = input.LA(1);
+
+            if ( (LA1_0=='^') ) {
+                alt1=1;
+            }
+            switch (alt1) {
+                case 1 :
+                    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:246:11: '^'
+                    {
+                    match('^'); 
+
+                    }
+                    break;
+
+            }
+
+            if ( (input.LA(1)>='A' && input.LA(1)<='Z')||input.LA(1)=='_'||(input.LA(1)>='a' && input.LA(1)<='z') ) {
+                input.consume();
+
+            }
+            else {
+                MismatchedSetException mse = new MismatchedSetException(null,input);
+                recover(mse);
+                throw mse;}
+
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:246:40: ( 'a' .. 'z' | 'A' .. 'Z' | '_' | '0' .. '9' )*
+            loop2:
+            do {
+                int alt2=2;
+                int LA2_0 = input.LA(1);
+
+                if ( ((LA2_0>='0' && LA2_0<='9')||(LA2_0>='A' && LA2_0<='Z')||LA2_0=='_'||(LA2_0>='a' && LA2_0<='z')) ) {
+                    alt2=1;
+                }
+
+
+                switch (alt2) {
+            	case 1 :
+            	    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:
+            	    {
+            	    if ( (input.LA(1)>='0' && input.LA(1)<='9')||(input.LA(1)>='A' && input.LA(1)<='Z')||input.LA(1)=='_'||(input.LA(1)>='a' && input.LA(1)<='z') ) {
+            	        input.consume();
+
+            	    }
+            	    else {
+            	        MismatchedSetException mse = new MismatchedSetException(null,input);
+            	        recover(mse);
+            	        throw mse;}
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop2;
+                }
+            } while (true);
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_ID"
+
+    // $ANTLR start "RULE_INT"
+    public final void mRULE_INT() throws RecognitionException {
+        try {
+            int _type = RULE_INT;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:248:10: ( ( '0' .. '9' )+ )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:248:12: ( '0' .. '9' )+
+            {
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:248:12: ( '0' .. '9' )+
+            int cnt3=0;
+            loop3:
+            do {
+                int alt3=2;
+                int LA3_0 = input.LA(1);
+
+                if ( ((LA3_0>='0' && LA3_0<='9')) ) {
+                    alt3=1;
+                }
+
+
+                switch (alt3) {
+            	case 1 :
+            	    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:248:13: '0' .. '9'
+            	    {
+            	    matchRange('0','9'); 
+
+            	    }
+            	    break;
+
+            	default :
+            	    if ( cnt3 >= 1 ) break loop3;
+                        EarlyExitException eee =
+                            new EarlyExitException(3, input);
+                        throw eee;
+                }
+                cnt3++;
+            } while (true);
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_INT"
+
+    // $ANTLR start "RULE_STRING"
+    public final void mRULE_STRING() throws RecognitionException {
+        try {
+            int _type = RULE_STRING;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:250:13: ( ( '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"' | '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\'' ) )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:250:15: ( '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"' | '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\'' )
+            {
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:250:15: ( '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"' | '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\'' )
+            int alt6=2;
+            int LA6_0 = input.LA(1);
+
+            if ( (LA6_0=='\"') ) {
+                alt6=1;
+            }
+            else if ( (LA6_0=='\'') ) {
+                alt6=2;
+            }
+            else {
+                NoViableAltException nvae =
+                    new NoViableAltException("", 6, 0, input);
+
+                throw nvae;
+            }
+            switch (alt6) {
+                case 1 :
+                    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:250:16: '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"'
+                    {
+                    match('\"'); 
+                    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:250:20: ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )*
+                    loop4:
+                    do {
+                        int alt4=3;
+                        int LA4_0 = input.LA(1);
+
+                        if ( (LA4_0=='\\') ) {
+                            alt4=1;
+                        }
+                        else if ( ((LA4_0>='\u0000' && LA4_0<='!')||(LA4_0>='#' && LA4_0<='[')||(LA4_0>=']' && LA4_0<='\uFFFF')) ) {
+                            alt4=2;
+                        }
+
+
+                        switch (alt4) {
+                    	case 1 :
+                    	    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:250:21: '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' )
+                    	    {
+                    	    match('\\'); 
+                    	    if ( input.LA(1)=='\"'||input.LA(1)=='\''||input.LA(1)=='\\'||input.LA(1)=='b'||input.LA(1)=='f'||input.LA(1)=='n'||input.LA(1)=='r'||(input.LA(1)>='t' && input.LA(1)<='u') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+                    	case 2 :
+                    	    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:250:66: ~ ( ( '\\\\' | '\"' ) )
+                    	    {
+                    	    if ( (input.LA(1)>='\u0000' && input.LA(1)<='!')||(input.LA(1)>='#' && input.LA(1)<='[')||(input.LA(1)>=']' && input.LA(1)<='\uFFFF') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+
+                    	default :
+                    	    break loop4;
+                        }
+                    } while (true);
+
+                    match('\"'); 
+
+                    }
+                    break;
+                case 2 :
+                    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:250:86: '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\''
+                    {
+                    match('\''); 
+                    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:250:91: ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )*
+                    loop5:
+                    do {
+                        int alt5=3;
+                        int LA5_0 = input.LA(1);
+
+                        if ( (LA5_0=='\\') ) {
+                            alt5=1;
+                        }
+                        else if ( ((LA5_0>='\u0000' && LA5_0<='&')||(LA5_0>='(' && LA5_0<='[')||(LA5_0>=']' && LA5_0<='\uFFFF')) ) {
+                            alt5=2;
+                        }
+
+
+                        switch (alt5) {
+                    	case 1 :
+                    	    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:250:92: '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' )
+                    	    {
+                    	    match('\\'); 
+                    	    if ( input.LA(1)=='\"'||input.LA(1)=='\''||input.LA(1)=='\\'||input.LA(1)=='b'||input.LA(1)=='f'||input.LA(1)=='n'||input.LA(1)=='r'||(input.LA(1)>='t' && input.LA(1)<='u') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+                    	case 2 :
+                    	    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:250:137: ~ ( ( '\\\\' | '\\'' ) )
+                    	    {
+                    	    if ( (input.LA(1)>='\u0000' && input.LA(1)<='&')||(input.LA(1)>='(' && input.LA(1)<='[')||(input.LA(1)>=']' && input.LA(1)<='\uFFFF') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+
+                    	default :
+                    	    break loop5;
+                        }
+                    } while (true);
+
+                    match('\''); 
+
+                    }
+                    break;
+
+            }
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_STRING"
+
+    // $ANTLR start "RULE_ML_COMMENT"
+    public final void mRULE_ML_COMMENT() throws RecognitionException {
+        try {
+            int _type = RULE_ML_COMMENT;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:252:17: ( '/*' ( options {greedy=false; } : . )* '*/' )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:252:19: '/*' ( options {greedy=false; } : . )* '*/'
+            {
+            match("/*"); 
+
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:252:24: ( options {greedy=false; } : . )*
+            loop7:
+            do {
+                int alt7=2;
+                int LA7_0 = input.LA(1);
+
+                if ( (LA7_0=='*') ) {
+                    int LA7_1 = input.LA(2);
+
+                    if ( (LA7_1=='/') ) {
+                        alt7=2;
+                    }
+                    else if ( ((LA7_1>='\u0000' && LA7_1<='.')||(LA7_1>='0' && LA7_1<='\uFFFF')) ) {
+                        alt7=1;
+                    }
+
+
+                }
+                else if ( ((LA7_0>='\u0000' && LA7_0<=')')||(LA7_0>='+' && LA7_0<='\uFFFF')) ) {
+                    alt7=1;
+                }
+
+
+                switch (alt7) {
+            	case 1 :
+            	    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:252:52: .
+            	    {
+            	    matchAny(); 
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop7;
+                }
+            } while (true);
+
+            match("*/"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_ML_COMMENT"
+
+    // $ANTLR start "RULE_SL_COMMENT"
+    public final void mRULE_SL_COMMENT() throws RecognitionException {
+        try {
+            int _type = RULE_SL_COMMENT;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:254:17: ( '//' (~ ( ( '\\n' | '\\r' ) ) )* ( ( '\\r' )? '\\n' )? )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:254:19: '//' (~ ( ( '\\n' | '\\r' ) ) )* ( ( '\\r' )? '\\n' )?
+            {
+            match("//"); 
+
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:254:24: (~ ( ( '\\n' | '\\r' ) ) )*
+            loop8:
+            do {
+                int alt8=2;
+                int LA8_0 = input.LA(1);
+
+                if ( ((LA8_0>='\u0000' && LA8_0<='\t')||(LA8_0>='\u000B' && LA8_0<='\f')||(LA8_0>='\u000E' && LA8_0<='\uFFFF')) ) {
+                    alt8=1;
+                }
+
+
+                switch (alt8) {
+            	case 1 :
+            	    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:254:24: ~ ( ( '\\n' | '\\r' ) )
+            	    {
+            	    if ( (input.LA(1)>='\u0000' && input.LA(1)<='\t')||(input.LA(1)>='\u000B' && input.LA(1)<='\f')||(input.LA(1)>='\u000E' && input.LA(1)<='\uFFFF') ) {
+            	        input.consume();
+
+            	    }
+            	    else {
+            	        MismatchedSetException mse = new MismatchedSetException(null,input);
+            	        recover(mse);
+            	        throw mse;}
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop8;
+                }
+            } while (true);
+
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:254:40: ( ( '\\r' )? '\\n' )?
+            int alt10=2;
+            int LA10_0 = input.LA(1);
+
+            if ( (LA10_0=='\n'||LA10_0=='\r') ) {
+                alt10=1;
+            }
+            switch (alt10) {
+                case 1 :
+                    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:254:41: ( '\\r' )? '\\n'
+                    {
+                    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:254:41: ( '\\r' )?
+                    int alt9=2;
+                    int LA9_0 = input.LA(1);
+
+                    if ( (LA9_0=='\r') ) {
+                        alt9=1;
+                    }
+                    switch (alt9) {
+                        case 1 :
+                            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:254:41: '\\r'
+                            {
+                            match('\r'); 
+
+                            }
+                            break;
+
+                    }
+
+                    match('\n'); 
+
+                    }
+                    break;
+
+            }
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_SL_COMMENT"
+
+    // $ANTLR start "RULE_WS"
+    public final void mRULE_WS() throws RecognitionException {
+        try {
+            int _type = RULE_WS;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:256:9: ( ( ' ' | '\\t' | '\\r' | '\\n' )+ )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:256:11: ( ' ' | '\\t' | '\\r' | '\\n' )+
+            {
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:256:11: ( ' ' | '\\t' | '\\r' | '\\n' )+
+            int cnt11=0;
+            loop11:
+            do {
+                int alt11=2;
+                int LA11_0 = input.LA(1);
+
+                if ( ((LA11_0>='\t' && LA11_0<='\n')||LA11_0=='\r'||LA11_0==' ') ) {
+                    alt11=1;
+                }
+
+
+                switch (alt11) {
+            	case 1 :
+            	    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:
+            	    {
+            	    if ( (input.LA(1)>='\t' && input.LA(1)<='\n')||input.LA(1)=='\r'||input.LA(1)==' ' ) {
+            	        input.consume();
+
+            	    }
+            	    else {
+            	        MismatchedSetException mse = new MismatchedSetException(null,input);
+            	        recover(mse);
+            	        throw mse;}
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    if ( cnt11 >= 1 ) break loop11;
+                        EarlyExitException eee =
+                            new EarlyExitException(11, input);
+                        throw eee;
+                }
+                cnt11++;
+            } while (true);
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_WS"
+
+    // $ANTLR start "RULE_ANY_OTHER"
+    public final void mRULE_ANY_OTHER() throws RecognitionException {
+        try {
+            int _type = RULE_ANY_OTHER;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:258:16: ( . )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:258:18: .
+            {
+            matchAny(); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_ANY_OTHER"
+
+    public void mTokens() throws RecognitionException {
+        // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:1:8: ( T__11 | T__12 | RULE_ID | RULE_INT | RULE_STRING | RULE_ML_COMMENT | RULE_SL_COMMENT | RULE_WS | RULE_ANY_OTHER )
+        int alt12=9;
+        alt12 = dfa12.predict(input);
+        switch (alt12) {
+            case 1 :
+                // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:1:10: T__11
+                {
+                mT__11(); 
+
+                }
+                break;
+            case 2 :
+                // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:1:16: T__12
+                {
+                mT__12(); 
+
+                }
+                break;
+            case 3 :
+                // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:1:22: RULE_ID
+                {
+                mRULE_ID(); 
+
+                }
+                break;
+            case 4 :
+                // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:1:30: RULE_INT
+                {
+                mRULE_INT(); 
+
+                }
+                break;
+            case 5 :
+                // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:1:39: RULE_STRING
+                {
+                mRULE_STRING(); 
+
+                }
+                break;
+            case 6 :
+                // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:1:51: RULE_ML_COMMENT
+                {
+                mRULE_ML_COMMENT(); 
+
+                }
+                break;
+            case 7 :
+                // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:1:67: RULE_SL_COMMENT
+                {
+                mRULE_SL_COMMENT(); 
+
+                }
+                break;
+            case 8 :
+                // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:1:83: RULE_WS
+                {
+                mRULE_WS(); 
+
+                }
+                break;
+            case 9 :
+                // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:1:91: RULE_ANY_OTHER
+                {
+                mRULE_ANY_OTHER(); 
+
+                }
+                break;
+
+        }
+
+    }
+
+
+    protected DFA12 dfa12 = new DFA12(this);
+    static final String DFA12_eotS =
+        "\1\uffff\1\14\1\uffff\1\12\2\uffff\3\12\2\uffff\1\14\7\uffff\2\14"+
+        "\1\26\1\uffff";
+    static final String DFA12_eofS =
+        "\27\uffff";
+    static final String DFA12_minS =
+        "\1\0\1\145\1\uffff\1\101\2\uffff\2\0\1\52\2\uffff\1\154\7\uffff"+
+        "\1\154\1\157\1\60\1\uffff";
+    static final String DFA12_maxS =
+        "\1\uffff\1\145\1\uffff\1\172\2\uffff\2\uffff\1\57\2\uffff\1\154"+
+        "\7\uffff\1\154\1\157\1\172\1\uffff";
+    static final String DFA12_acceptS =
+        "\2\uffff\1\2\1\uffff\1\3\1\4\3\uffff\1\10\1\11\1\uffff\1\3\1\2\1"+
+        "\4\1\5\1\6\1\7\1\10\3\uffff\1\1";
+    static final String DFA12_specialS =
+        "\1\0\5\uffff\1\2\1\1\17\uffff}>";
+    static final String[] DFA12_transitionS = {
+            "\11\12\2\11\2\12\1\11\22\12\1\11\1\2\1\6\4\12\1\7\7\12\1\10"+
+            "\12\5\7\12\7\4\1\1\22\4\3\12\1\3\1\4\1\12\32\4\uff85\12",
+            "\1\13",
+            "",
+            "\32\14\4\uffff\1\14\1\uffff\32\14",
+            "",
+            "",
+            "\0\17",
+            "\0\17",
+            "\1\20\4\uffff\1\21",
+            "",
+            "",
+            "\1\23",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "\1\24",
+            "\1\25",
+            "\12\14\7\uffff\32\14\4\uffff\1\14\1\uffff\32\14",
+            ""
+    };
+
+    static final short[] DFA12_eot = DFA.unpackEncodedString(DFA12_eotS);
+    static final short[] DFA12_eof = DFA.unpackEncodedString(DFA12_eofS);
+    static final char[] DFA12_min = DFA.unpackEncodedStringToUnsignedChars(DFA12_minS);
+    static final char[] DFA12_max = DFA.unpackEncodedStringToUnsignedChars(DFA12_maxS);
+    static final short[] DFA12_accept = DFA.unpackEncodedString(DFA12_acceptS);
+    static final short[] DFA12_special = DFA.unpackEncodedString(DFA12_specialS);
+    static final short[][] DFA12_transition;
+
+    static {
+        int numStates = DFA12_transitionS.length;
+        DFA12_transition = new short[numStates][];
+        for (int i=0; i<numStates; i++) {
+            DFA12_transition[i] = DFA.unpackEncodedString(DFA12_transitionS[i]);
+        }
+    }
+
+    class DFA12 extends DFA {
+
+        public DFA12(BaseRecognizer recognizer) {
+            this.recognizer = recognizer;
+            this.decisionNumber = 12;
+            this.eot = DFA12_eot;
+            this.eof = DFA12_eof;
+            this.min = DFA12_min;
+            this.max = DFA12_max;
+            this.accept = DFA12_accept;
+            this.special = DFA12_special;
+            this.transition = DFA12_transition;
+        }
+        public String getDescription() {
+            return "1:1: Tokens : ( T__11 | T__12 | RULE_ID | RULE_INT | RULE_STRING | RULE_ML_COMMENT | RULE_SL_COMMENT | RULE_WS | RULE_ANY_OTHER );";
+        }
+        public int specialStateTransition(int s, IntStream _input) throws NoViableAltException {
+            IntStream input = _input;
+        	int _s = s;
+            switch ( s ) {
+                    case 0 : 
+                        int LA12_0 = input.LA(1);
+
+                        s = -1;
+                        if ( (LA12_0=='H') ) {s = 1;}
+
+                        else if ( (LA12_0=='!') ) {s = 2;}
+
+                        else if ( (LA12_0=='^') ) {s = 3;}
+
+                        else if ( ((LA12_0>='A' && LA12_0<='G')||(LA12_0>='I' && LA12_0<='Z')||LA12_0=='_'||(LA12_0>='a' && LA12_0<='z')) ) {s = 4;}
+
+                        else if ( ((LA12_0>='0' && LA12_0<='9')) ) {s = 5;}
+
+                        else if ( (LA12_0=='\"') ) {s = 6;}
+
+                        else if ( (LA12_0=='\'') ) {s = 7;}
+
+                        else if ( (LA12_0=='/') ) {s = 8;}
+
+                        else if ( ((LA12_0>='\t' && LA12_0<='\n')||LA12_0=='\r'||LA12_0==' ') ) {s = 9;}
+
+                        else if ( ((LA12_0>='\u0000' && LA12_0<='\b')||(LA12_0>='\u000B' && LA12_0<='\f')||(LA12_0>='\u000E' && LA12_0<='\u001F')||(LA12_0>='#' && LA12_0<='&')||(LA12_0>='(' && LA12_0<='.')||(LA12_0>=':' && LA12_0<='@')||(LA12_0>='[' && LA12_0<=']')||LA12_0=='`'||(LA12_0>='{' && LA12_0<='\uFFFF')) ) {s = 10;}
+
+                        if ( s>=0 ) return s;
+                        break;
+                    case 1 : 
+                        int LA12_7 = input.LA(1);
+
+                        s = -1;
+                        if ( ((LA12_7>='\u0000' && LA12_7<='\uFFFF')) ) {s = 15;}
+
+                        else s = 10;
+
+                        if ( s>=0 ) return s;
+                        break;
+                    case 2 : 
+                        int LA12_6 = input.LA(1);
+
+                        s = -1;
+                        if ( ((LA12_6>='\u0000' && LA12_6<='\uFFFF')) ) {s = 15;}
+
+                        else s = 10;
+
+                        if ( s>=0 ) return s;
+                        break;
+            }
+            NoViableAltException nvae =
+                new NoViableAltException(getDescription(), 12, _s, input);
+            error(nvae);
+            throw nvae;
+        }
+    }
+ 
+
+}
\ No newline at end of file
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDslParser.java b/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDslParser.java
new file mode 100644
index 0000000..fea397d
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDslParser.java
@@ -0,0 +1,576 @@
+package org.xtext.example.mydsl.ui.contentassist.antlr.internal; 
+
+import java.io.InputStream;
+import org.eclipse.xtext.*;
+import org.eclipse.xtext.parser.*;
+import org.eclipse.xtext.parser.impl.*;
+import org.eclipse.emf.ecore.util.EcoreUtil;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream.HiddenTokens;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.AbstractInternalContentAssistParser;
+import org.eclipse.xtext.ui.editor.contentassist.antlr.internal.DFA;
+import org.xtext.example.mydsl.services.MyDslGrammarAccess;
+
+
+
+import org.antlr.runtime.*;
+import java.util.Stack;
+import java.util.List;
+import java.util.ArrayList;
+
+@SuppressWarnings("all")
+public class InternalMyDslParser extends AbstractInternalContentAssistParser {
+    public static final String[] tokenNames = new String[] {
+        "<invalid>", "<EOR>", "<DOWN>", "<UP>", "RULE_ID", "RULE_INT", "RULE_STRING", "RULE_ML_COMMENT", "RULE_SL_COMMENT", "RULE_WS", "RULE_ANY_OTHER", "'Hello'", "'!'"
+    };
+    public static final int RULE_ID=4;
+    public static final int RULE_STRING=6;
+    public static final int T__12=12;
+    public static final int T__11=11;
+    public static final int RULE_ANY_OTHER=10;
+    public static final int RULE_INT=5;
+    public static final int RULE_WS=9;
+    public static final int RULE_SL_COMMENT=8;
+    public static final int EOF=-1;
+    public static final int RULE_ML_COMMENT=7;
+
+    // delegates
+    // delegators
+
+
+        public InternalMyDslParser(TokenStream input) {
+            this(input, new RecognizerSharedState());
+        }
+        public InternalMyDslParser(TokenStream input, RecognizerSharedState state) {
+            super(input, state);
+             
+        }
+        
+
+    public String[] getTokenNames() { return InternalMyDslParser.tokenNames; }
+    public String getGrammarFileName() { return "../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g"; }
+
+
+     
+     	private MyDslGrammarAccess grammarAccess;
+     	
+        public void setGrammarAccess(MyDslGrammarAccess grammarAccess) {
+        	this.grammarAccess = grammarAccess;
+        }
+        
+        @Override
+        protected Grammar getGrammar() {
+        	return grammarAccess.getGrammar();
+        }
+        
+        @Override
+        protected String getValueForTokenName(String tokenName) {
+        	return tokenName;
+        }
+
+
+
+
+    // $ANTLR start "entryRuleModel"
+    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:60:1: entryRuleModel : ruleModel EOF ;
+    public final void entryRuleModel() throws RecognitionException {
+        try {
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:61:1: ( ruleModel EOF )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:62:1: ruleModel EOF
+            {
+             before(grammarAccess.getModelRule()); 
+            pushFollow(FOLLOW_ruleModel_in_entryRuleModel61);
+            ruleModel();
+
+            state._fsp--;
+
+             after(grammarAccess.getModelRule()); 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleModel68); 
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+        }
+        return ;
+    }
+    // $ANTLR end "entryRuleModel"
+
+
+    // $ANTLR start "ruleModel"
+    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:69:1: ruleModel : ( ( rule__Model__GreetingsAssignment )* ) ;
+    public final void ruleModel() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:73:2: ( ( ( rule__Model__GreetingsAssignment )* ) )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:74:1: ( ( rule__Model__GreetingsAssignment )* )
+            {
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:74:1: ( ( rule__Model__GreetingsAssignment )* )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:75:1: ( rule__Model__GreetingsAssignment )*
+            {
+             before(grammarAccess.getModelAccess().getGreetingsAssignment()); 
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:76:1: ( rule__Model__GreetingsAssignment )*
+            loop1:
+            do {
+                int alt1=2;
+                int LA1_0 = input.LA(1);
+
+                if ( (LA1_0==11) ) {
+                    alt1=1;
+                }
+
+
+                switch (alt1) {
+            	case 1 :
+            	    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:76:2: rule__Model__GreetingsAssignment
+            	    {
+            	    pushFollow(FOLLOW_rule__Model__GreetingsAssignment_in_ruleModel94);
+            	    rule__Model__GreetingsAssignment();
+
+            	    state._fsp--;
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop1;
+                }
+            } while (true);
+
+             after(grammarAccess.getModelAccess().getGreetingsAssignment()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "ruleModel"
+
+
+    // $ANTLR start "entryRuleGreeting"
+    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:88:1: entryRuleGreeting : ruleGreeting EOF ;
+    public final void entryRuleGreeting() throws RecognitionException {
+        try {
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:89:1: ( ruleGreeting EOF )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:90:1: ruleGreeting EOF
+            {
+             before(grammarAccess.getGreetingRule()); 
+            pushFollow(FOLLOW_ruleGreeting_in_entryRuleGreeting122);
+            ruleGreeting();
+
+            state._fsp--;
+
+             after(grammarAccess.getGreetingRule()); 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleGreeting129); 
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+        }
+        return ;
+    }
+    // $ANTLR end "entryRuleGreeting"
+
+
+    // $ANTLR start "ruleGreeting"
+    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:97:1: ruleGreeting : ( ( rule__Greeting__Group__0 ) ) ;
+    public final void ruleGreeting() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:101:2: ( ( ( rule__Greeting__Group__0 ) ) )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:102:1: ( ( rule__Greeting__Group__0 ) )
+            {
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:102:1: ( ( rule__Greeting__Group__0 ) )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:103:1: ( rule__Greeting__Group__0 )
+            {
+             before(grammarAccess.getGreetingAccess().getGroup()); 
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:104:1: ( rule__Greeting__Group__0 )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:104:2: rule__Greeting__Group__0
+            {
+            pushFollow(FOLLOW_rule__Greeting__Group__0_in_ruleGreeting155);
+            rule__Greeting__Group__0();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getGreetingAccess().getGroup()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "ruleGreeting"
+
+
+    // $ANTLR start "rule__Greeting__Group__0"
+    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:118:1: rule__Greeting__Group__0 : rule__Greeting__Group__0__Impl rule__Greeting__Group__1 ;
+    public final void rule__Greeting__Group__0() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:122:1: ( rule__Greeting__Group__0__Impl rule__Greeting__Group__1 )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:123:2: rule__Greeting__Group__0__Impl rule__Greeting__Group__1
+            {
+            pushFollow(FOLLOW_rule__Greeting__Group__0__Impl_in_rule__Greeting__Group__0189);
+            rule__Greeting__Group__0__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Greeting__Group__1_in_rule__Greeting__Group__0192);
+            rule__Greeting__Group__1();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Greeting__Group__0"
+
+
+    // $ANTLR start "rule__Greeting__Group__0__Impl"
+    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:130:1: rule__Greeting__Group__0__Impl : ( 'Hello' ) ;
+    public final void rule__Greeting__Group__0__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:134:1: ( ( 'Hello' ) )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:135:1: ( 'Hello' )
+            {
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:135:1: ( 'Hello' )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:136:1: 'Hello'
+            {
+             before(grammarAccess.getGreetingAccess().getHelloKeyword_0()); 
+            match(input,11,FOLLOW_11_in_rule__Greeting__Group__0__Impl220); 
+             after(grammarAccess.getGreetingAccess().getHelloKeyword_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Greeting__Group__0__Impl"
+
+
+    // $ANTLR start "rule__Greeting__Group__1"
+    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:149:1: rule__Greeting__Group__1 : rule__Greeting__Group__1__Impl rule__Greeting__Group__2 ;
+    public final void rule__Greeting__Group__1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:153:1: ( rule__Greeting__Group__1__Impl rule__Greeting__Group__2 )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:154:2: rule__Greeting__Group__1__Impl rule__Greeting__Group__2
+            {
+            pushFollow(FOLLOW_rule__Greeting__Group__1__Impl_in_rule__Greeting__Group__1251);
+            rule__Greeting__Group__1__Impl();
+
+            state._fsp--;
+
+            pushFollow(FOLLOW_rule__Greeting__Group__2_in_rule__Greeting__Group__1254);
+            rule__Greeting__Group__2();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Greeting__Group__1"
+
+
+    // $ANTLR start "rule__Greeting__Group__1__Impl"
+    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:161:1: rule__Greeting__Group__1__Impl : ( ( rule__Greeting__NameAssignment_1 ) ) ;
+    public final void rule__Greeting__Group__1__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:165:1: ( ( ( rule__Greeting__NameAssignment_1 ) ) )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:166:1: ( ( rule__Greeting__NameAssignment_1 ) )
+            {
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:166:1: ( ( rule__Greeting__NameAssignment_1 ) )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:167:1: ( rule__Greeting__NameAssignment_1 )
+            {
+             before(grammarAccess.getGreetingAccess().getNameAssignment_1()); 
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:168:1: ( rule__Greeting__NameAssignment_1 )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:168:2: rule__Greeting__NameAssignment_1
+            {
+            pushFollow(FOLLOW_rule__Greeting__NameAssignment_1_in_rule__Greeting__Group__1__Impl281);
+            rule__Greeting__NameAssignment_1();
+
+            state._fsp--;
+
+
+            }
+
+             after(grammarAccess.getGreetingAccess().getNameAssignment_1()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Greeting__Group__1__Impl"
+
+
+    // $ANTLR start "rule__Greeting__Group__2"
+    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:178:1: rule__Greeting__Group__2 : rule__Greeting__Group__2__Impl ;
+    public final void rule__Greeting__Group__2() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:182:1: ( rule__Greeting__Group__2__Impl )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:183:2: rule__Greeting__Group__2__Impl
+            {
+            pushFollow(FOLLOW_rule__Greeting__Group__2__Impl_in_rule__Greeting__Group__2311);
+            rule__Greeting__Group__2__Impl();
+
+            state._fsp--;
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Greeting__Group__2"
+
+
+    // $ANTLR start "rule__Greeting__Group__2__Impl"
+    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:189:1: rule__Greeting__Group__2__Impl : ( '!' ) ;
+    public final void rule__Greeting__Group__2__Impl() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:193:1: ( ( '!' ) )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:194:1: ( '!' )
+            {
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:194:1: ( '!' )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:195:1: '!'
+            {
+             before(grammarAccess.getGreetingAccess().getExclamationMarkKeyword_2()); 
+            match(input,12,FOLLOW_12_in_rule__Greeting__Group__2__Impl339); 
+             after(grammarAccess.getGreetingAccess().getExclamationMarkKeyword_2()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Greeting__Group__2__Impl"
+
+
+    // $ANTLR start "rule__Model__GreetingsAssignment"
+    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:215:1: rule__Model__GreetingsAssignment : ( ruleGreeting ) ;
+    public final void rule__Model__GreetingsAssignment() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:219:1: ( ( ruleGreeting ) )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:220:1: ( ruleGreeting )
+            {
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:220:1: ( ruleGreeting )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:221:1: ruleGreeting
+            {
+             before(grammarAccess.getModelAccess().getGreetingsGreetingParserRuleCall_0()); 
+            pushFollow(FOLLOW_ruleGreeting_in_rule__Model__GreetingsAssignment381);
+            ruleGreeting();
+
+            state._fsp--;
+
+             after(grammarAccess.getModelAccess().getGreetingsGreetingParserRuleCall_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Model__GreetingsAssignment"
+
+
+    // $ANTLR start "rule__Greeting__NameAssignment_1"
+    // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:230:1: rule__Greeting__NameAssignment_1 : ( RULE_ID ) ;
+    public final void rule__Greeting__NameAssignment_1() throws RecognitionException {
+
+        		int stackSize = keepStackSize();
+            
+        try {
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:234:1: ( ( RULE_ID ) )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:235:1: ( RULE_ID )
+            {
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:235:1: ( RULE_ID )
+            // ../org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/contentassist/antlr/internal/InternalMyDsl.g:236:1: RULE_ID
+            {
+             before(grammarAccess.getGreetingAccess().getNameIDTerminalRuleCall_1_0()); 
+            match(input,RULE_ID,FOLLOW_RULE_ID_in_rule__Greeting__NameAssignment_1412); 
+             after(grammarAccess.getGreetingAccess().getNameIDTerminalRuleCall_1_0()); 
+
+            }
+
+
+            }
+
+        }
+        catch (RecognitionException re) {
+            reportError(re);
+            recover(input,re);
+        }
+        finally {
+
+            	restoreStackSize(stackSize);
+
+        }
+        return ;
+    }
+    // $ANTLR end "rule__Greeting__NameAssignment_1"
+
+    // Delegated rules
+
+
+ 
+
+    public static final BitSet FOLLOW_ruleModel_in_entryRuleModel61 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleModel68 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Model__GreetingsAssignment_in_ruleModel94 = new BitSet(new long[]{0x0000000000000802L});
+    public static final BitSet FOLLOW_ruleGreeting_in_entryRuleGreeting122 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleGreeting129 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Greeting__Group__0_in_ruleGreeting155 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Greeting__Group__0__Impl_in_rule__Greeting__Group__0189 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_rule__Greeting__Group__1_in_rule__Greeting__Group__0192 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_11_in_rule__Greeting__Group__0__Impl220 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Greeting__Group__1__Impl_in_rule__Greeting__Group__1251 = new BitSet(new long[]{0x0000000000001000L});
+    public static final BitSet FOLLOW_rule__Greeting__Group__2_in_rule__Greeting__Group__1254 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Greeting__NameAssignment_1_in_rule__Greeting__Group__1__Impl281 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_rule__Greeting__Group__2__Impl_in_rule__Greeting__Group__2311 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_12_in_rule__Greeting__Group__2__Impl339 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleGreeting_in_rule__Model__GreetingsAssignment381 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_RULE_ID_in_rule__Greeting__NameAssignment_1412 = new BitSet(new long[]{0x0000000000000002L});
+
+}
\ No newline at end of file
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/internal/MyDslActivator.java b/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/internal/MyDslActivator.java
new file mode 100644
index 0000000..e0e717d
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/src-gen/org/xtext/example/mydsl/ui/internal/MyDslActivator.java
@@ -0,0 +1,95 @@
+/*
+ * generated by Xtext
+ */
+package org.xtext.example.mydsl.ui.internal;
+
+import java.util.Collections;
+import java.util.Map;
+
+import org.apache.log4j.Logger;
+import org.eclipse.ui.plugin.AbstractUIPlugin;
+import org.eclipse.xtext.ui.shared.SharedStateModule;
+import org.eclipse.xtext.util.Modules2;
+import org.osgi.framework.BundleContext;
+
+import com.google.common.collect.Maps;
+import com.google.inject.Guice;
+import com.google.inject.Injector;
+import com.google.inject.Module;
+
+/**
+ * This class was generated. Customizations should only happen in a newly
+ * introduced subclass. 
+ */
+public class MyDslActivator extends AbstractUIPlugin {
+	
+	public static final String ORG_XTEXT_EXAMPLE_MYDSL_MYDSL = "org.xtext.example.mydsl.MyDsl";
+	
+	private static final Logger logger = Logger.getLogger(MyDslActivator.class);
+	
+	private static MyDslActivator INSTANCE;
+	
+	private Map<String, Injector> injectors = Collections.synchronizedMap(Maps.<String, Injector> newHashMapWithExpectedSize(1));
+	
+	@Override
+	public void start(BundleContext context) throws Exception {
+		super.start(context);
+		INSTANCE = this;
+	}
+	
+	@Override
+	public void stop(BundleContext context) throws Exception {
+		injectors.clear();
+		INSTANCE = null;
+		super.stop(context);
+	}
+	
+	public static MyDslActivator getInstance() {
+		return INSTANCE;
+	}
+	
+	public Injector getInjector(String language) {
+		synchronized (injectors) {
+			Injector injector = injectors.get(language);
+			if (injector == null) {
+				injectors.put(language, injector = createInjector(language));
+			}
+			return injector;
+		}
+	}
+	
+	protected Injector createInjector(String language) {
+		try {
+			Module runtimeModule = getRuntimeModule(language);
+			Module sharedStateModule = getSharedStateModule();
+			Module uiModule = getUiModule(language);
+			Module mergedModule = Modules2.mixin(runtimeModule, sharedStateModule, uiModule);
+			return Guice.createInjector(mergedModule);
+		} catch (Exception e) {
+			logger.error("Failed to create injector for " + language);
+			logger.error(e.getMessage(), e);
+			throw new RuntimeException("Failed to create injector for " + language, e);
+		}
+	}
+
+	protected Module getRuntimeModule(String grammar) {
+		if (ORG_XTEXT_EXAMPLE_MYDSL_MYDSL.equals(grammar)) {
+			return new org.xtext.example.mydsl.MyDslRuntimeModule();
+		}
+		
+		throw new IllegalArgumentException(grammar);
+	}
+	
+	protected Module getUiModule(String grammar) {
+		if (ORG_XTEXT_EXAMPLE_MYDSL_MYDSL.equals(grammar)) {
+			return new org.xtext.example.mydsl.ui.MyDslUiModule(this);
+		}
+		
+		throw new IllegalArgumentException(grammar);
+	}
+	
+	protected Module getSharedStateModule() {
+		return new SharedStateModule();
+	}
+	
+}
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/MyDslUiModule.java b/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/MyDslUiModule.java
new file mode 100644
index 0000000..31ca874
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/MyDslUiModule.java
@@ -0,0 +1,15 @@
+/*
+ * generated by Xtext
+ */
+package org.xtext.example.mydsl.ui;
+
+import org.eclipse.ui.plugin.AbstractUIPlugin;
+
+/**
+ * Use this class to register components to be used within the IDE.
+ */
+public class MyDslUiModule extends org.xtext.example.mydsl.ui.AbstractMyDslUiModule {
+	public MyDslUiModule(AbstractUIPlugin plugin) {
+		super(plugin);
+	}
+}
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/MyXtextEmbeddedEditorProvider.java b/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/MyXtextEmbeddedEditorProvider.java
new file mode 100644
index 0000000..6226d4a
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/MyXtextEmbeddedEditorProvider.java
@@ -0,0 +1,73 @@
+package org.xtext.example.mydsl.ui;
+
+import org.eclipse.emf.common.util.URI;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.ecore.resource.ResourceSet;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.xtext.Constants;
+import org.eclipse.xtext.resource.XtextResource;
+import org.eclipse.xtext.resource.XtextResourceFactory;
+import org.eclipse.xtext.resource.XtextResourceSet;
+import org.eclipse.xtext.ui.editor.embedded.EmbeddedEditor;
+import org.eclipse.xtext.ui.editor.embedded.EmbeddedEditorFactory;
+import org.eclipse.xtext.ui.editor.embedded.IEditedResourceProvider;
+
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+import com.google.inject.name.Named;
+
+@SuppressWarnings("restriction")
+public class MyXtextEmbeddedEditorProvider {
+
+	@Inject
+	protected EmbeddedEditorFactory editorFactory;
+
+	@Inject
+	private Provider<XtextResourceSet> resourceSetProvider;
+
+	@Inject
+	private XtextResourceFactory resourceFactory;
+
+	@Inject
+	@Named(Constants.FILE_EXTENSIONS)
+	public String fileExtension;
+
+	/**
+	 * The constructor.
+	 */
+	public MyXtextEmbeddedEditorProvider() {
+	}
+
+	public EmbeddedEditor getXtextEmbeddedEditor(Composite parent) {
+		IEditedResourceProvider resourceProvider = new IEditedResourceProvider() {
+
+			@Override
+			public XtextResource createResource() {
+				XtextResourceSet xtextResourceSet = resourceSetProvider.get();
+				Resource resource = resourceFactory
+						.createResource(computeUnusedUri(xtextResourceSet));
+				xtextResourceSet.getResources().add(resource);
+				return (XtextResource) resource;
+			}
+
+			protected URI computeUnusedUri(ResourceSet resourceSet) {
+				String name = "__synthetic";
+				for (int i = 0; i < Integer.MAX_VALUE; i++) {
+					URI syntheticUri = URI.createURI(name + i + "."
+							+ fileExtension);
+					if (resourceSet.getResource(syntheticUri, false) == null)
+						return syntheticUri;
+				}
+				throw new IllegalStateException();
+			}
+		};
+
+		EmbeddedEditor editor = editorFactory.newEditor(resourceProvider)
+				.showErrorAndWarningAnnotations().withParent(parent);
+
+		editor.createPartialEditor(true);
+
+		return editor;
+	}
+
+}
\ No newline at end of file
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/contentassist/MyDslProposalProvider.java b/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/contentassist/MyDslProposalProvider.java
new file mode 100644
index 0000000..6c345b7
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/contentassist/MyDslProposalProvider.java
@@ -0,0 +1,12 @@
+/*
+* generated by Xtext
+*/
+package org.xtext.example.mydsl.ui.contentassist;
+
+import org.xtext.example.mydsl.ui.contentassist.AbstractMyDslProposalProvider;
+/**
+ * see http://www.eclipse.org/Xtext/documentation/latest/xtext.html#contentAssist on how to customize content assistant
+ */
+public class MyDslProposalProvider extends AbstractMyDslProposalProvider {
+
+}
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/labeling/MyDslDescriptionLabelProvider.java b/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/labeling/MyDslDescriptionLabelProvider.java
new file mode 100644
index 0000000..3282917
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/labeling/MyDslDescriptionLabelProvider.java
@@ -0,0 +1,27 @@
+/*
+* generated by Xtext
+*/
+package org.xtext.example.mydsl.ui.labeling;
+
+import org.eclipse.xtext.ui.label.DefaultDescriptionLabelProvider;
+
+/**
+ * Provides labels for a IEObjectDescriptions and IResourceDescriptions.
+ * 
+ * see http://www.eclipse.org/Xtext/documentation/latest/xtext.html#labelProvider
+ */
+public class MyDslDescriptionLabelProvider extends DefaultDescriptionLabelProvider {
+
+/*
+	//Labels and icons can be computed like this:
+	
+	String text(IEObjectDescription ele) {
+	  return "my "+ele.getName();
+	}
+	 
+    String image(IEObjectDescription ele) {
+      return ele.getEClass().getName() + ".gif";
+    }	 
+*/
+
+}
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/labeling/MyDslLabelProvider.java b/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/labeling/MyDslLabelProvider.java
new file mode 100644
index 0000000..749018e
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/labeling/MyDslLabelProvider.java
@@ -0,0 +1,34 @@
+/*
+* generated by Xtext
+*/
+package org.xtext.example.mydsl.ui.labeling;
+
+import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
+import org.eclipse.xtext.ui.label.DefaultEObjectLabelProvider; 
+ 
+import com.google.inject.Inject;
+
+/**
+ * Provides labels for a EObjects.
+ * 
+ * see http://www.eclipse.org/Xtext/documentation/latest/xtext.html#labelProvider
+ */
+public class MyDslLabelProvider extends DefaultEObjectLabelProvider {
+
+	@Inject
+	public MyDslLabelProvider(AdapterFactoryLabelProvider delegate) {
+		super(delegate);
+	}
+
+/*
+	//Labels and icons can be computed like this:
+	
+	String text(MyModel ele) {
+	  return "my "+ele.getName();
+	}
+	 
+    String image(MyModel ele) {
+      return "MyModel.gif";
+    }
+*/
+}
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/outline/MyDslOutlineTreeProvider.java b/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/outline/MyDslOutlineTreeProvider.java
new file mode 100644
index 0000000..49a5f06
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/outline/MyDslOutlineTreeProvider.java
@@ -0,0 +1,14 @@
+/*
+* generated by Xtext
+*/
+package org.xtext.example.mydsl.ui.outline;
+
+import org.eclipse.xtext.ui.editor.outline.impl.DefaultOutlineTreeProvider;
+
+/**
+ * customization of the default outline structure
+ * 
+ */
+public class MyDslOutlineTreeProvider extends DefaultOutlineTreeProvider {
+	
+}
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/quickfix/MyDslQuickfixProvider.java b/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/quickfix/MyDslQuickfixProvider.java
new file mode 100644
index 0000000..d4f2885
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/quickfix/MyDslQuickfixProvider.java
@@ -0,0 +1,19 @@
+
+package org.xtext.example.mydsl.ui.quickfix;
+
+import org.eclipse.xtext.ui.editor.quickfix.DefaultQuickfixProvider;
+
+public class MyDslQuickfixProvider extends DefaultQuickfixProvider {
+
+//	@Fix(MyJavaValidator.INVALID_NAME)
+//	public void capitalizeName(final Issue issue, IssueResolutionAcceptor acceptor) {
+//		acceptor.accept(issue, "Capitalize name", "Capitalize the name.", "upcase.png", new IModification() {
+//			public void apply(IModificationContext context) throws BadLocationException {
+//				IXtextDocument xtextDocument = context.getXtextDocument();
+//				String firstLetter = xtextDocument.get(issue.getOffset(), 1);
+//				xtextDocument.replace(issue.getOffset(), 1, firstLetter.toUpperCase());
+//			}
+//		});
+//	}
+
+}
diff --git a/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/views/XtextSampleView.java b/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/views/XtextSampleView.java
new file mode 100644
index 0000000..7c25107
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl.ui/src/org/xtext/example/mydsl/ui/views/XtextSampleView.java
@@ -0,0 +1,123 @@
+package org.xtext.example.mydsl.ui.views;
+
+import org.eclipse.jface.action.Action;
+import org.eclipse.jface.action.IMenuListener;
+import org.eclipse.jface.action.IMenuManager;
+import org.eclipse.jface.action.IToolBarManager;
+import org.eclipse.jface.action.MenuManager;
+import org.eclipse.jface.action.Separator;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.jface.text.source.SourceViewer;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Menu;
+import org.eclipse.ui.IActionBars;
+import org.eclipse.ui.ISharedImages;
+import org.eclipse.ui.IWorkbenchActionConstants;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.part.ViewPart;
+import org.xtext.example.mydsl.ui.MyXtextEmbeddedEditorProvider;
+
+import com.google.inject.Inject;
+
+public class XtextSampleView extends ViewPart {
+
+	/**
+	 * The ID of the view as specified by the extension.
+	 */
+	public static final String ID = "org.xtext.example.mydsl.views.views.XtextSampleView";
+
+	private SourceViewer viewer;
+	private Action action1;
+	private Action action2;
+
+	@Inject
+	protected MyXtextEmbeddedEditorProvider xtextEmbeddedEditorProvider;
+	/**
+	 * The constructor.
+	 */
+	public XtextSampleView() {
+	}
+
+	/**
+	 * This is a callback that will allow us to create the viewer and initialize
+	 * it.
+	 */
+	public void createPartControl(Composite parent) {
+		viewer = xtextEmbeddedEditorProvider.getXtextEmbeddedEditor(parent).getViewer();
+
+		makeActions();
+		hookContextMenu();
+		contributeToActionBars();
+	}
+	
+	private void hookContextMenu() {
+		MenuManager menuMgr = new MenuManager("#PopupMenu");
+		menuMgr.setRemoveAllWhenShown(true);
+		menuMgr.addMenuListener(new IMenuListener() {
+			public void menuAboutToShow(IMenuManager manager) {
+				XtextSampleView.this.fillContextMenu(manager);
+			}
+		});
+		Menu menu = menuMgr.createContextMenu(viewer.getControl());
+		viewer.getControl().setMenu(menu);
+		getSite().registerContextMenu(menuMgr, viewer);
+	}
+
+	private void contributeToActionBars() {
+		IActionBars bars = getViewSite().getActionBars();
+		fillLocalPullDown(bars.getMenuManager());
+		fillLocalToolBar(bars.getToolBarManager());
+	}
+
+	private void fillLocalPullDown(IMenuManager manager) {
+		manager.add(action1);
+		manager.add(new Separator());
+		manager.add(action2);
+	}
+
+	private void fillContextMenu(IMenuManager manager) {
+		manager.add(action1);
+		manager.add(action2);
+		// Other plug-ins can contribute there actions here
+		manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
+	}
+
+	private void fillLocalToolBar(IToolBarManager manager) {
+		manager.add(action1);
+		manager.add(action2);
+	}
+
+	private void makeActions() {
+		action1 = new Action() {
+			public void run() {
+				showMessage("Action 1 executed");
+			}
+		};
+		action1.setText("Action 1");
+		action1.setToolTipText("Action 1 tooltip");
+		action1.setImageDescriptor(PlatformUI.getWorkbench().getSharedImages()
+				.getImageDescriptor(ISharedImages.IMG_OBJS_INFO_TSK));
+
+		action2 = new Action() {
+			public void run() {
+				showMessage("Action 2 executed");
+			}
+		};
+		action2.setText("Action 2");
+		action2.setToolTipText("Action 2 tooltip");
+		action2.setImageDescriptor(PlatformUI.getWorkbench().getSharedImages()
+				.getImageDescriptor(ISharedImages.IMG_OBJS_INFO_TSK));
+	}
+
+	private void showMessage(String message) {
+		MessageDialog.openInformation(viewer.getControl().getShell(),
+				"Xtext Sample View", message);
+	}
+
+	/**
+	 * Passing the focus request to the viewer's control.
+	 */
+	public void setFocus() {
+		viewer.getControl().setFocus();
+	}
+}
\ No newline at end of file
diff --git a/examples/plugins/org.xtext.example.mydsl/.antlr-generator-3.2.0.jar b/examples/plugins/org.xtext.example.mydsl/.antlr-generator-3.2.0.jar
new file mode 100644
index 0000000..4243492
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/.antlr-generator-3.2.0.jar
Binary files differ
diff --git a/examples/plugins/org.xtext.example.mydsl/.classpath b/examples/plugins/org.xtext.example.mydsl/.classpath
new file mode 100644
index 0000000..406ca4a
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/.classpath
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="src-gen"/>
+	<classpathentry kind="src" path="xtend-gen"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git "a/examples/plugins/org.xtext.example.mydsl/.launch/Generate Language Infrastructure \050org.xtext.example.mydsl\051.launch" "b/examples/plugins/org.xtext.example.mydsl/.launch/Generate Language Infrastructure \050org.xtext.example.mydsl\051.launch"
new file mode 100644
index 0000000..e1a38a6
--- /dev/null
+++ "b/examples/plugins/org.xtext.example.mydsl/.launch/Generate Language Infrastructure \050org.xtext.example.mydsl\051.launch"
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<launchConfiguration type="org.eclipse.pde.ui.RuntimeWorkbench">
+<booleanAttribute key="append.args" value="true"/>
+<booleanAttribute key="askclear" value="true"/>
+<booleanAttribute key="automaticAdd" value="true"/>
+<booleanAttribute key="automaticValidate" value="false"/>
+<stringAttribute key="bad_container_name" value="/org.xtext.example.mydsl/.launch/"/>
+<stringAttribute key="bootstrap" value=""/>
+<stringAttribute key="checked" value="[NONE]"/>
+<booleanAttribute key="clearConfig" value="false"/>
+<booleanAttribute key="clearws" value="false"/>
+<booleanAttribute key="clearwslog" value="false"/>
+<stringAttribute key="configLocation" value="${workspace_loc}/.metadata/.plugins/org.eclipse.pde.core/Launch Runtime Eclipse"/>
+<booleanAttribute key="default" value="true"/>
+<booleanAttribute key="includeOptional" value="true"/>
+<stringAttribute key="location" value="${workspace_loc}/../runtime-New_configuration"/>
+<listAttribute key="org.eclipse.debug.ui.favoriteGroups">
+<listEntry value="org.eclipse.debug.ui.launchGroup.debug"/>
+<listEntry value="org.eclipse.debug.ui.launchGroup.run"/>
+</listAttribute>
+<stringAttribute key="org.eclipse.jdt.launching.JRE_CONTAINER" value="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J2SE-1.5"/>
+<stringAttribute key="org.eclipse.jdt.launching.PROGRAM_ARGUMENTS" value="-os ${target.os} -ws ${target.ws} -arch ${target.arch} -nl ${target.nl}"/>
+<stringAttribute key="org.eclipse.jdt.launching.SOURCE_PATH_PROVIDER" value="org.eclipse.pde.ui.workbenchClasspathProvider"/>
+<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-Xms40m -Xmx512m -XX:MaxPermSize=256m"/>
+<stringAttribute key="pde.version" value="3.3"/>
+<stringAttribute key="product" value="org.eclipse.platform.ide"/>
+<booleanAttribute key="show_selected_only" value="false"/>
+<stringAttribute key="templateConfig" value="${target_home}/configuration/config.ini"/>
+<booleanAttribute key="tracing" value="false"/>
+<booleanAttribute key="useDefaultConfig" value="true"/>
+<booleanAttribute key="useDefaultConfigArea" value="true"/>
+<booleanAttribute key="useProduct" value="true"/>
+<booleanAttribute key="usefeatures" value="false"/>
+</launchConfiguration>
diff --git a/examples/plugins/org.xtext.example.mydsl/.project b/examples/plugins/org.xtext.example.mydsl/.project
new file mode 100644
index 0000000..c12ea73
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/.project
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>org.xtext.example.mydsl</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ManifestBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.SchemaBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.xtext.ui.shared.xtextBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.pde.PluginNature</nature>
+		<nature>org.eclipse.xtext.ui.shared.xtextNature</nature>
+	</natures>
+</projectDescription>
diff --git a/examples/plugins/org.xtext.example.mydsl/.settings/org.eclipse.core.resources.prefs b/examples/plugins/org.xtext.example.mydsl/.settings/org.eclipse.core.resources.prefs
new file mode 100644
index 0000000..99f26c0
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/.settings/org.eclipse.core.resources.prefs
@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+encoding/<project>=UTF-8
diff --git a/examples/plugins/org.xtext.example.mydsl/META-INF/MANIFEST.MF b/examples/plugins/org.xtext.example.mydsl/META-INF/MANIFEST.MF
new file mode 100644
index 0000000..2e7bff2
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/META-INF/MANIFEST.MF
@@ -0,0 +1,34 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: org.xtext.example.mydsl
+Bundle-Vendor: My Company
+Bundle-Version: 1.0.0.qualifier
+Bundle-SymbolicName: org.xtext.example.mydsl; singleton:=true
+Bundle-ActivationPolicy: lazy
+Require-Bundle: org.eclipse.xtext;visibility:=reexport,
+ org.eclipse.xtext.xbase;resolution:=optional;visibility:=reexport,
+ org.eclipse.xtext.generator;resolution:=optional,
+ org.apache.commons.logging;bundle-version="1.0.4";resolution:=optional,
+ org.eclipse.emf.codegen.ecore;resolution:=optional,
+ org.eclipse.emf.mwe.utils;resolution:=optional,
+ org.eclipse.emf.mwe2.launch;resolution:=optional,
+ org.eclipse.xtext.util,
+ org.eclipse.emf.ecore,
+ org.eclipse.emf.common,
+ org.antlr.runtime,
+ org.eclipse.xtext.common.types
+Import-Package: org.apache.log4j,
+ org.eclipse.xtext.xbase.lib
+Bundle-RequiredExecutionEnvironment: J2SE-1.5
+Export-Package: org.xtext.example.mydsl,
+ org.xtext.example.mydsl.services,
+ org.xtext.example.mydsl.myDsl,
+ org.xtext.example.mydsl.myDsl.impl,
+ org.xtext.example.mydsl.myDsl.util,
+ org.xtext.example.mydsl.serializer,
+ org.xtext.example.mydsl.parser.antlr,
+ org.xtext.example.mydsl.parser.antlr.internal,
+ org.xtext.example.mydsl.validation,
+ org.xtext.example.mydsl.scoping,
+ org.xtext.example.mydsl.generator,
+ org.xtext.example.mydsl.formatting
diff --git a/examples/plugins/org.xtext.example.mydsl/build.properties b/examples/plugins/org.xtext.example.mydsl/build.properties
new file mode 100644
index 0000000..31255ed
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/build.properties
@@ -0,0 +1,6 @@
+source.. = src/,\
+          src-gen/,\
+          xtend-gen/
+bin.includes = META-INF/,\
+               .,\
+               plugin.xml
\ No newline at end of file
diff --git a/examples/plugins/org.xtext.example.mydsl/plugin.xml b/examples/plugins/org.xtext.example.mydsl/plugin.xml
new file mode 100644
index 0000000..ad7e4e4
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/plugin.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.0"?>
+
+<plugin>
+
+  <extension point="org.eclipse.emf.ecore.generated_package">
+    <package 
+       uri = "http://www.xtext.org/example/mydsl/MyDsl" 
+       class = "org.xtext.example.mydsl.myDsl.MyDslPackage"
+       genModel = "org/xtext/example/mydsl/MyDsl.genmodel" /> 
+	
+  </extension>
+
+
+
+
+</plugin>
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/AbstractMyDslRuntimeModule.java b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/AbstractMyDslRuntimeModule.java
new file mode 100644
index 0000000..44fd5ea
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/AbstractMyDslRuntimeModule.java
@@ -0,0 +1,172 @@
+/*
+ * generated by Xtext
+ */
+package org.xtext.example.mydsl;
+
+import java.util.Properties;
+
+import org.eclipse.xtext.Constants;
+import org.eclipse.xtext.service.DefaultRuntimeModule;
+
+import com.google.inject.Binder;
+import com.google.inject.name.Names;
+
+/**
+ * Manual modifications go to {org.xtext.example.mydsl.MyDslRuntimeModule}
+ */
+ @SuppressWarnings("all")
+public abstract class AbstractMyDslRuntimeModule extends DefaultRuntimeModule {
+
+	protected Properties properties = null;
+
+	@Override
+	public void configure(Binder binder) {
+		properties = tryBindProperties(binder, "org/xtext/example/mydsl/MyDsl.properties");
+		super.configure(binder);
+	}
+	
+	public void configureLanguageName(Binder binder) {
+		binder.bind(String.class).annotatedWith(Names.named(Constants.LANGUAGE_NAME)).toInstance("org.xtext.example.mydsl.MyDsl");
+	}
+	
+	public void configureFileExtensions(Binder binder) {
+		if (properties == null || properties.getProperty(Constants.FILE_EXTENSIONS) == null)
+			binder.bind(String.class).annotatedWith(Names.named(Constants.FILE_EXTENSIONS)).toInstance("mydsl");
+	}
+	
+	// contributed by org.eclipse.xtext.generator.grammarAccess.GrammarAccessFragment
+	public Class<? extends org.eclipse.xtext.IGrammarAccess> bindIGrammarAccess() {
+		return org.xtext.example.mydsl.services.MyDslGrammarAccess.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.serializer.SerializerFragment
+	public Class<? extends org.eclipse.xtext.serializer.sequencer.ISemanticSequencer> bindISemanticSequencer() {
+		return org.xtext.example.mydsl.serializer.MyDslSemanticSequencer.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.serializer.SerializerFragment
+	public Class<? extends org.eclipse.xtext.serializer.sequencer.ISyntacticSequencer> bindISyntacticSequencer() {
+		return org.xtext.example.mydsl.serializer.MyDslSyntacticSequencer.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.serializer.SerializerFragment
+	public Class<? extends org.eclipse.xtext.serializer.ISerializer> bindISerializer() {
+		return org.eclipse.xtext.serializer.impl.Serializer.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public Class<? extends org.eclipse.xtext.parser.IParser> bindIParser() {
+		return org.xtext.example.mydsl.parser.antlr.MyDslParser.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public Class<? extends org.eclipse.xtext.parser.ITokenToStringConverter> bindITokenToStringConverter() {
+		return org.eclipse.xtext.parser.antlr.AntlrTokenToStringConverter.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public Class<? extends org.eclipse.xtext.parser.antlr.IAntlrTokenFileProvider> bindIAntlrTokenFileProvider() {
+		return org.xtext.example.mydsl.parser.antlr.MyDslAntlrTokenFileProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public Class<? extends org.eclipse.xtext.parser.antlr.Lexer> bindLexer() {
+		return org.xtext.example.mydsl.parser.antlr.internal.InternalMyDslLexer.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public com.google.inject.Provider<org.xtext.example.mydsl.parser.antlr.internal.InternalMyDslLexer> provideInternalMyDslLexer() {
+		return org.eclipse.xtext.parser.antlr.LexerProvider.create(org.xtext.example.mydsl.parser.antlr.internal.InternalMyDslLexer.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public void configureRuntimeLexer(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.parser.antlr.Lexer.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.parser.antlr.LexerBindings.RUNTIME)).to(org.xtext.example.mydsl.parser.antlr.internal.InternalMyDslLexer.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.parser.antlr.XtextAntlrGeneratorFragment
+	public Class<? extends org.eclipse.xtext.parser.antlr.ITokenDefProvider> bindITokenDefProvider() {
+		return org.eclipse.xtext.parser.antlr.AntlrTokenDefProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.validation.JavaValidatorFragment
+	@org.eclipse.xtext.service.SingletonBinding(eager=true)	public Class<? extends org.xtext.example.mydsl.validation.MyDslJavaValidator> bindMyDslJavaValidator() {
+		return org.xtext.example.mydsl.validation.MyDslJavaValidator.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.scoping.AbstractScopingFragment
+	public Class<? extends org.eclipse.xtext.scoping.IScopeProvider> bindIScopeProvider() {
+		return org.xtext.example.mydsl.scoping.MyDslScopeProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.scoping.AbstractScopingFragment
+	public void configureIScopeProviderDelegate(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.scoping.IScopeProvider.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider.NAMED_DELEGATE)).to(org.eclipse.xtext.scoping.impl.ImportedNamespaceAwareLocalScopeProvider.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.scoping.AbstractScopingFragment
+	public void configureIgnoreCaseLinking(com.google.inject.Binder binder) {
+		binder.bindConstant().annotatedWith(org.eclipse.xtext.scoping.IgnoreCaseLinking.class).to(false);
+	}
+
+	// contributed by org.eclipse.xtext.generator.exporting.QualifiedNamesFragment
+	public Class<? extends org.eclipse.xtext.naming.IQualifiedNameProvider> bindIQualifiedNameProvider() {
+		return org.eclipse.xtext.naming.DefaultDeclarativeQualifiedNameProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public Class<? extends org.eclipse.xtext.resource.IContainer.Manager> bindIContainer$Manager() {
+		return org.eclipse.xtext.resource.containers.StateBasedContainerManager.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public Class<? extends org.eclipse.xtext.resource.containers.IAllContainersState.Provider> bindIAllContainersState$Provider() {
+		return org.eclipse.xtext.resource.containers.ResourceSetBasedAllContainersStateProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public void configureIResourceDescriptions(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.resource.IResourceDescriptions.class).to(org.eclipse.xtext.resource.impl.ResourceSetBasedResourceDescriptions.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.builder.BuilderIntegrationFragment
+	public void configureIResourceDescriptionsBuilderScope(com.google.inject.Binder binder) {
+		binder.bind(org.eclipse.xtext.resource.IResourceDescriptions.class).annotatedWith(com.google.inject.name.Names.named(org.eclipse.xtext.resource.impl.ResourceDescriptionsProvider.NAMED_BUILDER_SCOPE)).to(org.eclipse.xtext.resource.impl.ResourceSetBasedResourceDescriptions.class);
+	}
+
+	// contributed by org.eclipse.xtext.generator.generator.GeneratorFragment
+	public Class<? extends org.eclipse.xtext.generator.IGenerator> bindIGenerator() {
+		return org.xtext.example.mydsl.generator.MyDslGenerator.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.formatting.FormatterFragment
+	public Class<? extends org.eclipse.xtext.formatting.IFormatter> bindIFormatter() {
+		return org.xtext.example.mydsl.formatting.MyDslFormatter.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public java.lang.ClassLoader bindClassLoaderToInstance() {
+		return getClass().getClassLoader();
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public org.eclipse.xtext.common.types.TypesFactory bindTypesFactoryToInstance() {
+		return org.eclipse.xtext.common.types.TypesFactory.eINSTANCE;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.common.types.access.IJvmTypeProvider.Factory> bindIJvmTypeProvider$Factory() {
+		return org.eclipse.xtext.common.types.access.ClasspathTypeProviderFactory.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.common.types.xtext.AbstractTypeScopeProvider> bindAbstractTypeScopeProvider() {
+		return org.eclipse.xtext.common.types.xtext.ClasspathBasedTypeScopeProvider.class;
+	}
+
+	// contributed by org.eclipse.xtext.generator.types.TypesGeneratorFragment
+	public Class<? extends org.eclipse.xtext.scoping.IGlobalScopeProvider> bindIGlobalScopeProvider() {
+		return org.eclipse.xtext.common.types.xtext.TypesAwareDefaultGlobalScopeProvider.class;
+	}
+
+}
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/MyDsl.ecore b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/MyDsl.ecore
new file mode 100644
index 0000000..aef6378
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/MyDsl.ecore
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ecore:EPackage xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" name="myDsl" nsURI="http://www.xtext.org/example/mydsl/MyDsl" nsPrefix="myDsl">
+  <eClassifiers xsi:type="ecore:EClass" name="Model">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="greetings" upperBound="-1"
+        eType="#//Greeting" containment="true"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Greeting">
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="name" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+  </eClassifiers>
+</ecore:EPackage>
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/MyDsl.genmodel b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/MyDsl.genmodel
new file mode 100644
index 0000000..4fbd5c6
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/MyDsl.genmodel
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<genmodel:GenModel xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore"
+    xmlns:genmodel="http://www.eclipse.org/emf/2002/GenModel" modelDirectory="/org.xtext.example.mydsl/src-gen" editDirectory="/org.xtext.example.mydsl.edit/src"
+    editorDirectory="/org.xtext.example.mydsl.editor/src" modelPluginID="org.xtext.example.mydsl"
+    forceOverwrite="true" modelName="MyDsl" updateClasspath="false" rootExtendsClass="org.eclipse.emf.ecore.impl.MinimalEObjectImpl$Container"
+    complianceLevel="5.0" copyrightFields="false" editPluginID="org.xtext.example.mydsl.edit"
+    editorPluginID="org.xtext.example.mydsl.editor" runtimeVersion="2.8">
+  <genPackages prefix="MyDsl" basePackage="org.xtext.example.mydsl" disposableProviderFactory="true"
+      ecorePackage="MyDsl.ecore#/">
+    <genClasses ecoreClass="MyDsl.ecore#//Model">
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference MyDsl.ecore#//Model/greetings"/>
+    </genClasses>
+    <genClasses ecoreClass="MyDsl.ecore#//Greeting">
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute MyDsl.ecore#//Greeting/name"/>
+    </genClasses>
+  </genPackages>
+</genmodel:GenModel>
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/MyDsl.xmi b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/MyDsl.xmi
new file mode 100644
index 0000000..f971a27
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/MyDsl.xmi
@@ -0,0 +1,181 @@
+<?xml version="1.0" encoding="ASCII"?>
+<xmi:XMI xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" xmlns:xtext="http://www.eclipse.org/2008/Xtext">
+  <xtext:Grammar name="org.xtext.example.mydsl.MyDsl" usedGrammars="/1">
+    <metamodelDeclarations xsi:type="xtext:GeneratedMetamodel" name="myDsl">
+      <ePackage href="http://www.xtext.org/example/mydsl/MyDsl#/"/>
+    </metamodelDeclarations>
+    <rules xsi:type="xtext:ParserRule" name="Model">
+      <type metamodel="/0/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EClass" href="http://www.xtext.org/example/mydsl/MyDsl#//Model"/>
+      </type>
+      <alternatives xsi:type="xtext:Assignment" cardinality="*" feature="greetings" operator="+=">
+        <terminal xsi:type="xtext:RuleCall" rule="/0/@rules.1"/>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:ParserRule" name="Greeting">
+      <type metamodel="/0/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EClass" href="http://www.xtext.org/example/mydsl/MyDsl#//Greeting"/>
+      </type>
+      <alternatives xsi:type="xtext:Group">
+        <elements xsi:type="xtext:Keyword" value="Hello"/>
+        <elements xsi:type="xtext:Assignment" feature="name" operator="=">
+          <terminal xsi:type="xtext:RuleCall" rule="/1/@rules.0"/>
+        </elements>
+        <elements xsi:type="xtext:Keyword" value="!"/>
+      </alternatives>
+    </rules>
+  </xtext:Grammar>
+  <xtext:Grammar name="org.eclipse.xtext.common.Terminals" definesHiddenTokens="true" hiddenTokens="/1/@rules.5 /1/@rules.3 /1/@rules.4">
+    <metamodelDeclarations xsi:type="xtext:ReferencedMetamodel" alias="ecore">
+      <ePackage href="http://www.eclipse.org/emf/2002/Ecore#/"/>
+    </metamodelDeclarations>
+    <rules xsi:type="xtext:TerminalRule" name="ID">
+      <type metamodel="/1/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+      </type>
+      <alternatives xsi:type="xtext:Group">
+        <elements xsi:type="xtext:Keyword" cardinality="?" value="^"/>
+        <elements xsi:type="xtext:Alternatives">
+          <elements xsi:type="xtext:CharacterRange">
+            <left value="a"/>
+            <right value="z"/>
+          </elements>
+          <elements xsi:type="xtext:CharacterRange">
+            <left value="A"/>
+            <right value="Z"/>
+          </elements>
+          <elements xsi:type="xtext:Keyword" value="_"/>
+        </elements>
+        <elements xsi:type="xtext:Alternatives" cardinality="*">
+          <elements xsi:type="xtext:CharacterRange">
+            <left value="a"/>
+            <right value="z"/>
+          </elements>
+          <elements xsi:type="xtext:CharacterRange">
+            <left value="A"/>
+            <right value="Z"/>
+          </elements>
+          <elements xsi:type="xtext:Keyword" value="_"/>
+          <elements xsi:type="xtext:CharacterRange">
+            <left value="0"/>
+            <right value="9"/>
+          </elements>
+        </elements>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:TerminalRule" name="INT">
+      <type metamodel="/1/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EInt"/>
+      </type>
+      <alternatives xsi:type="xtext:CharacterRange" cardinality="+">
+        <left value="0"/>
+        <right value="9"/>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:TerminalRule" name="STRING">
+      <type metamodel="/1/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+      </type>
+      <alternatives xsi:type="xtext:Alternatives">
+        <elements xsi:type="xtext:Group">
+          <elements xsi:type="xtext:Keyword" value="&quot;"/>
+          <elements xsi:type="xtext:Alternatives" cardinality="*">
+            <elements xsi:type="xtext:Group">
+              <elements xsi:type="xtext:Keyword" value="\"/>
+              <elements xsi:type="xtext:Alternatives">
+                <elements xsi:type="xtext:Keyword" value="b"/>
+                <elements xsi:type="xtext:Keyword" value="t"/>
+                <elements xsi:type="xtext:Keyword" value="n"/>
+                <elements xsi:type="xtext:Keyword" value="f"/>
+                <elements xsi:type="xtext:Keyword" value="r"/>
+                <elements xsi:type="xtext:Keyword" value="u"/>
+                <elements xsi:type="xtext:Keyword" value="&quot;"/>
+                <elements xsi:type="xtext:Keyword" value="'"/>
+                <elements xsi:type="xtext:Keyword" value="\"/>
+              </elements>
+            </elements>
+            <elements xsi:type="xtext:NegatedToken">
+              <terminal xsi:type="xtext:Alternatives">
+                <elements xsi:type="xtext:Keyword" value="\"/>
+                <elements xsi:type="xtext:Keyword" value="&quot;"/>
+              </terminal>
+            </elements>
+          </elements>
+          <elements xsi:type="xtext:Keyword" value="&quot;"/>
+        </elements>
+        <elements xsi:type="xtext:Group">
+          <elements xsi:type="xtext:Keyword" value="'"/>
+          <elements xsi:type="xtext:Alternatives" cardinality="*">
+            <elements xsi:type="xtext:Group">
+              <elements xsi:type="xtext:Keyword" value="\"/>
+              <elements xsi:type="xtext:Alternatives">
+                <elements xsi:type="xtext:Keyword" value="b"/>
+                <elements xsi:type="xtext:Keyword" value="t"/>
+                <elements xsi:type="xtext:Keyword" value="n"/>
+                <elements xsi:type="xtext:Keyword" value="f"/>
+                <elements xsi:type="xtext:Keyword" value="r"/>
+                <elements xsi:type="xtext:Keyword" value="u"/>
+                <elements xsi:type="xtext:Keyword" value="&quot;"/>
+                <elements xsi:type="xtext:Keyword" value="'"/>
+                <elements xsi:type="xtext:Keyword" value="\"/>
+              </elements>
+            </elements>
+            <elements xsi:type="xtext:NegatedToken">
+              <terminal xsi:type="xtext:Alternatives">
+                <elements xsi:type="xtext:Keyword" value="\"/>
+                <elements xsi:type="xtext:Keyword" value="'"/>
+              </terminal>
+            </elements>
+          </elements>
+          <elements xsi:type="xtext:Keyword" value="'"/>
+        </elements>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:TerminalRule" name="ML_COMMENT">
+      <type metamodel="/1/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+      </type>
+      <alternatives xsi:type="xtext:Group">
+        <elements xsi:type="xtext:Keyword" value="/*"/>
+        <elements xsi:type="xtext:UntilToken">
+          <terminal xsi:type="xtext:Keyword" value="*/"/>
+        </elements>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:TerminalRule" name="SL_COMMENT">
+      <type metamodel="/1/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+      </type>
+      <alternatives xsi:type="xtext:Group">
+        <elements xsi:type="xtext:Keyword" value="//"/>
+        <elements xsi:type="xtext:NegatedToken" cardinality="*">
+          <terminal xsi:type="xtext:Alternatives">
+            <elements xsi:type="xtext:Keyword" value="&#xA;"/>
+            <elements xsi:type="xtext:Keyword" value="&#xD;"/>
+          </terminal>
+        </elements>
+        <elements xsi:type="xtext:Group" cardinality="?">
+          <elements xsi:type="xtext:Keyword" cardinality="?" value="&#xD;"/>
+          <elements xsi:type="xtext:Keyword" value="&#xA;"/>
+        </elements>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:TerminalRule" name="WS">
+      <type metamodel="/1/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+      </type>
+      <alternatives xsi:type="xtext:Alternatives" cardinality="+">
+        <elements xsi:type="xtext:Keyword" value=" "/>
+        <elements xsi:type="xtext:Keyword" value="&#x9;"/>
+        <elements xsi:type="xtext:Keyword" value="&#xD;"/>
+        <elements xsi:type="xtext:Keyword" value="&#xA;"/>
+      </alternatives>
+    </rules>
+    <rules xsi:type="xtext:TerminalRule" name="ANY_OTHER">
+      <type metamodel="/1/@metamodelDeclarations.0">
+        <classifier xsi:type="ecore:EDataType" href="http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+      </type>
+      <alternatives xsi:type="xtext:Wildcard"/>
+    </rules>
+  </xtext:Grammar>
+</xmi:XMI>
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/MyDslStandaloneSetupGenerated.java b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/MyDslStandaloneSetupGenerated.java
new file mode 100644
index 0000000..92cd5f4
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/MyDslStandaloneSetupGenerated.java
@@ -0,0 +1,43 @@
+
+package org.xtext.example.mydsl;
+
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.xtext.ISetup;
+import org.eclipse.emf.ecore.resource.Resource;
+
+import com.google.inject.Guice;
+import com.google.inject.Injector;
+
+/**
+ * Generated from StandaloneSetup.xpt!
+ */
+@SuppressWarnings("all")
+public class MyDslStandaloneSetupGenerated implements ISetup {
+
+	public Injector createInjectorAndDoEMFRegistration() {
+		org.eclipse.xtext.common.TerminalsStandaloneSetup.doSetup();
+
+		Injector injector = createInjector();
+		register(injector);
+		return injector;
+	}
+	
+	public Injector createInjector() {
+		return Guice.createInjector(new org.xtext.example.mydsl.MyDslRuntimeModule());
+	}
+	
+	public void register(Injector injector) {
+	if (!EPackage.Registry.INSTANCE.containsKey("http://www.xtext.org/example/mydsl/MyDsl")) {
+		EPackage.Registry.INSTANCE.put("http://www.xtext.org/example/mydsl/MyDsl", org.xtext.example.mydsl.myDsl.MyDslPackage.eINSTANCE);
+	}
+
+		org.eclipse.xtext.resource.IResourceFactory resourceFactory = injector.getInstance(org.eclipse.xtext.resource.IResourceFactory.class);
+		org.eclipse.xtext.resource.IResourceServiceProvider serviceProvider = injector.getInstance(org.eclipse.xtext.resource.IResourceServiceProvider.class);
+		Resource.Factory.Registry.INSTANCE.getExtensionToFactoryMap().put("mydsl", resourceFactory);
+		org.eclipse.xtext.resource.IResourceServiceProvider.Registry.INSTANCE.getExtensionToFactoryMap().put("mydsl", serviceProvider);
+		
+
+
+
+	}
+}
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/Greeting.java b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/Greeting.java
new file mode 100644
index 0000000..19b373b
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/Greeting.java
@@ -0,0 +1,51 @@
+/**
+ */
+package org.xtext.example.mydsl.myDsl;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Greeting</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.xtext.example.mydsl.myDsl.Greeting#getName <em>Name</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.xtext.example.mydsl.myDsl.MyDslPackage#getGreeting()
+ * @model
+ * @generated
+ */
+public interface Greeting extends EObject
+{
+  /**
+   * Returns the value of the '<em><b>Name</b></em>' attribute.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Name</em>' attribute isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Name</em>' attribute.
+   * @see #setName(String)
+   * @see org.xtext.example.mydsl.myDsl.MyDslPackage#getGreeting_Name()
+   * @model
+   * @generated
+   */
+  String getName();
+
+  /**
+   * Sets the value of the '{@link org.xtext.example.mydsl.myDsl.Greeting#getName <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param value the new value of the '<em>Name</em>' attribute.
+   * @see #getName()
+   * @generated
+   */
+  void setName(String value);
+
+} // Greeting
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/Model.java b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/Model.java
new file mode 100644
index 0000000..21088f3
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/Model.java
@@ -0,0 +1,43 @@
+/**
+ */
+package org.xtext.example.mydsl.myDsl;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Model</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * <ul>
+ *   <li>{@link org.xtext.example.mydsl.myDsl.Model#getGreetings <em>Greetings</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @see org.xtext.example.mydsl.myDsl.MyDslPackage#getModel()
+ * @model
+ * @generated
+ */
+public interface Model extends EObject
+{
+  /**
+   * Returns the value of the '<em><b>Greetings</b></em>' containment reference list.
+   * The list contents are of type {@link org.xtext.example.mydsl.myDsl.Greeting}.
+   * <!-- begin-user-doc -->
+   * <p>
+   * If the meaning of the '<em>Greetings</em>' containment reference list isn't clear,
+   * there really should be more of a description here...
+   * </p>
+   * <!-- end-user-doc -->
+   * @return the value of the '<em>Greetings</em>' containment reference list.
+   * @see org.xtext.example.mydsl.myDsl.MyDslPackage#getModel_Greetings()
+   * @model containment="true"
+   * @generated
+   */
+  EList<Greeting> getGreetings();
+
+} // Model
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/MyDslFactory.java b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/MyDslFactory.java
new file mode 100644
index 0000000..436626a
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/MyDslFactory.java
@@ -0,0 +1,52 @@
+/**
+ */
+package org.xtext.example.mydsl.myDsl;
+
+import org.eclipse.emf.ecore.EFactory;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Factory</b> for the model.
+ * It provides a create method for each non-abstract class of the model.
+ * <!-- end-user-doc -->
+ * @see org.xtext.example.mydsl.myDsl.MyDslPackage
+ * @generated
+ */
+public interface MyDslFactory extends EFactory
+{
+  /**
+   * The singleton instance of the factory.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  MyDslFactory eINSTANCE = org.xtext.example.mydsl.myDsl.impl.MyDslFactoryImpl.init();
+
+  /**
+   * Returns a new object of class '<em>Model</em>'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return a new object of class '<em>Model</em>'.
+   * @generated
+   */
+  Model createModel();
+
+  /**
+   * Returns a new object of class '<em>Greeting</em>'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return a new object of class '<em>Greeting</em>'.
+   * @generated
+   */
+  Greeting createGreeting();
+
+  /**
+   * Returns the package supported by this factory.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the package supported by this factory.
+   * @generated
+   */
+  MyDslPackage getMyDslPackage();
+
+} //MyDslFactory
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/MyDslPackage.java b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/MyDslPackage.java
new file mode 100644
index 0000000..3e012d3
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/MyDslPackage.java
@@ -0,0 +1,219 @@
+/**
+ */
+package org.xtext.example.mydsl.myDsl;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Package</b> for the model.
+ * It contains accessors for the meta objects to represent
+ * <ul>
+ *   <li>each class,</li>
+ *   <li>each feature of each class,</li>
+ *   <li>each enum,</li>
+ *   <li>and each data type</li>
+ * </ul>
+ * <!-- end-user-doc -->
+ * @see org.xtext.example.mydsl.myDsl.MyDslFactory
+ * @model kind="package"
+ * @generated
+ */
+public interface MyDslPackage extends EPackage
+{
+  /**
+   * The package name.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  String eNAME = "myDsl";
+
+  /**
+   * The package namespace URI.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  String eNS_URI = "http://www.xtext.org/example/mydsl/MyDsl";
+
+  /**
+   * The package namespace name.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  String eNS_PREFIX = "myDsl";
+
+  /**
+   * The singleton instance of the package.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  MyDslPackage eINSTANCE = org.xtext.example.mydsl.myDsl.impl.MyDslPackageImpl.init();
+
+  /**
+   * The meta object id for the '{@link org.xtext.example.mydsl.myDsl.impl.ModelImpl <em>Model</em>}' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.xtext.example.mydsl.myDsl.impl.ModelImpl
+   * @see org.xtext.example.mydsl.myDsl.impl.MyDslPackageImpl#getModel()
+   * @generated
+   */
+  int MODEL = 0;
+
+  /**
+   * The feature id for the '<em><b>Greetings</b></em>' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int MODEL__GREETINGS = 0;
+
+  /**
+   * The number of structural features of the '<em>Model</em>' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int MODEL_FEATURE_COUNT = 1;
+
+  /**
+   * The meta object id for the '{@link org.xtext.example.mydsl.myDsl.impl.GreetingImpl <em>Greeting</em>}' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.xtext.example.mydsl.myDsl.impl.GreetingImpl
+   * @see org.xtext.example.mydsl.myDsl.impl.MyDslPackageImpl#getGreeting()
+   * @generated
+   */
+  int GREETING = 1;
+
+  /**
+   * The feature id for the '<em><b>Name</b></em>' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int GREETING__NAME = 0;
+
+  /**
+   * The number of structural features of the '<em>Greeting</em>' class.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   * @ordered
+   */
+  int GREETING_FEATURE_COUNT = 1;
+
+
+  /**
+   * Returns the meta object for class '{@link org.xtext.example.mydsl.myDsl.Model <em>Model</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for class '<em>Model</em>'.
+   * @see org.xtext.example.mydsl.myDsl.Model
+   * @generated
+   */
+  EClass getModel();
+
+  /**
+   * Returns the meta object for the containment reference list '{@link org.xtext.example.mydsl.myDsl.Model#getGreetings <em>Greetings</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the containment reference list '<em>Greetings</em>'.
+   * @see org.xtext.example.mydsl.myDsl.Model#getGreetings()
+   * @see #getModel()
+   * @generated
+   */
+  EReference getModel_Greetings();
+
+  /**
+   * Returns the meta object for class '{@link org.xtext.example.mydsl.myDsl.Greeting <em>Greeting</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for class '<em>Greeting</em>'.
+   * @see org.xtext.example.mydsl.myDsl.Greeting
+   * @generated
+   */
+  EClass getGreeting();
+
+  /**
+   * Returns the meta object for the attribute '{@link org.xtext.example.mydsl.myDsl.Greeting#getName <em>Name</em>}'.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the meta object for the attribute '<em>Name</em>'.
+   * @see org.xtext.example.mydsl.myDsl.Greeting#getName()
+   * @see #getGreeting()
+   * @generated
+   */
+  EAttribute getGreeting_Name();
+
+  /**
+   * Returns the factory that creates the instances of the model.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the factory that creates the instances of the model.
+   * @generated
+   */
+  MyDslFactory getMyDslFactory();
+
+  /**
+   * <!-- begin-user-doc -->
+   * Defines literals for the meta objects that represent
+   * <ul>
+   *   <li>each class,</li>
+   *   <li>each feature of each class,</li>
+   *   <li>each enum,</li>
+   *   <li>and each data type</li>
+   * </ul>
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  interface Literals
+  {
+    /**
+     * The meta object literal for the '{@link org.xtext.example.mydsl.myDsl.impl.ModelImpl <em>Model</em>}' class.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @see org.xtext.example.mydsl.myDsl.impl.ModelImpl
+     * @see org.xtext.example.mydsl.myDsl.impl.MyDslPackageImpl#getModel()
+     * @generated
+     */
+    EClass MODEL = eINSTANCE.getModel();
+
+    /**
+     * The meta object literal for the '<em><b>Greetings</b></em>' containment reference list feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EReference MODEL__GREETINGS = eINSTANCE.getModel_Greetings();
+
+    /**
+     * The meta object literal for the '{@link org.xtext.example.mydsl.myDsl.impl.GreetingImpl <em>Greeting</em>}' class.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @see org.xtext.example.mydsl.myDsl.impl.GreetingImpl
+     * @see org.xtext.example.mydsl.myDsl.impl.MyDslPackageImpl#getGreeting()
+     * @generated
+     */
+    EClass GREETING = eINSTANCE.getGreeting();
+
+    /**
+     * The meta object literal for the '<em><b>Name</b></em>' attribute feature.
+     * <!-- begin-user-doc -->
+     * <!-- end-user-doc -->
+     * @generated
+     */
+    EAttribute GREETING__NAME = eINSTANCE.getGreeting_Name();
+
+  }
+
+} //MyDslPackage
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/impl/GreetingImpl.java b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/impl/GreetingImpl.java
new file mode 100644
index 0000000..b80b107
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/impl/GreetingImpl.java
@@ -0,0 +1,177 @@
+/**
+ */
+package org.xtext.example.mydsl.myDsl.impl;
+
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.xtext.example.mydsl.myDsl.Greeting;
+import org.xtext.example.mydsl.myDsl.MyDslPackage;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Greeting</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.xtext.example.mydsl.myDsl.impl.GreetingImpl#getName <em>Name</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class GreetingImpl extends MinimalEObjectImpl.Container implements Greeting
+{
+  /**
+   * The default value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected static final String NAME_EDEFAULT = null;
+
+  /**
+   * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getName()
+   * @generated
+   * @ordered
+   */
+  protected String name = NAME_EDEFAULT;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected GreetingImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return MyDslPackage.Literals.GREETING;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public String getName()
+  {
+    return name;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void setName(String newName)
+  {
+    String oldName = name;
+    name = newName;
+    if (eNotificationRequired())
+      eNotify(new ENotificationImpl(this, Notification.SET, MyDslPackage.GREETING__NAME, oldName, name));
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case MyDslPackage.GREETING__NAME:
+        return getName();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case MyDslPackage.GREETING__NAME:
+        setName((String)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case MyDslPackage.GREETING__NAME:
+        setName(NAME_EDEFAULT);
+        return;
+    }
+    super.eUnset(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case MyDslPackage.GREETING__NAME:
+        return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
+    }
+    return super.eIsSet(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public String toString()
+  {
+    if (eIsProxy()) return super.toString();
+
+    StringBuffer result = new StringBuffer(super.toString());
+    result.append(" (name: ");
+    result.append(name);
+    result.append(')');
+    return result.toString();
+  }
+
+} //GreetingImpl
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/impl/ModelImpl.java b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/impl/ModelImpl.java
new file mode 100644
index 0000000..0716b1f
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/impl/ModelImpl.java
@@ -0,0 +1,167 @@
+/**
+ */
+package org.xtext.example.mydsl.myDsl.impl;
+
+import java.util.Collection;
+
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+
+import org.xtext.example.mydsl.myDsl.Greeting;
+import org.xtext.example.mydsl.myDsl.Model;
+import org.xtext.example.mydsl.myDsl.MyDslPackage;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Model</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * <ul>
+ *   <li>{@link org.xtext.example.mydsl.myDsl.impl.ModelImpl#getGreetings <em>Greetings</em>}</li>
+ * </ul>
+ * </p>
+ *
+ * @generated
+ */
+public class ModelImpl extends MinimalEObjectImpl.Container implements Model
+{
+  /**
+   * The cached value of the '{@link #getGreetings() <em>Greetings</em>}' containment reference list.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #getGreetings()
+   * @generated
+   * @ordered
+   */
+  protected EList<Greeting> greetings;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected ModelImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  protected EClass eStaticClass()
+  {
+    return MyDslPackage.Literals.MODEL;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EList<Greeting> getGreetings()
+  {
+    if (greetings == null)
+    {
+      greetings = new EObjectContainmentEList<Greeting>(Greeting.class, this, MyDslPackage.MODEL__GREETINGS);
+    }
+    return greetings;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
+  {
+    switch (featureID)
+    {
+      case MyDslPackage.MODEL__GREETINGS:
+        return ((InternalEList<?>)getGreetings()).basicRemove(otherEnd, msgs);
+    }
+    return super.eInverseRemove(otherEnd, featureID, msgs);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public Object eGet(int featureID, boolean resolve, boolean coreType)
+  {
+    switch (featureID)
+    {
+      case MyDslPackage.MODEL__GREETINGS:
+        return getGreetings();
+    }
+    return super.eGet(featureID, resolve, coreType);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @SuppressWarnings("unchecked")
+  @Override
+  public void eSet(int featureID, Object newValue)
+  {
+    switch (featureID)
+    {
+      case MyDslPackage.MODEL__GREETINGS:
+        getGreetings().clear();
+        getGreetings().addAll((Collection<? extends Greeting>)newValue);
+        return;
+    }
+    super.eSet(featureID, newValue);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public void eUnset(int featureID)
+  {
+    switch (featureID)
+    {
+      case MyDslPackage.MODEL__GREETINGS:
+        getGreetings().clear();
+        return;
+    }
+    super.eUnset(featureID);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public boolean eIsSet(int featureID)
+  {
+    switch (featureID)
+    {
+      case MyDslPackage.MODEL__GREETINGS:
+        return greetings != null && !greetings.isEmpty();
+    }
+    return super.eIsSet(featureID);
+  }
+
+} //ModelImpl
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/impl/MyDslFactoryImpl.java b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/impl/MyDslFactoryImpl.java
new file mode 100644
index 0000000..be32c1d
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/impl/MyDslFactoryImpl.java
@@ -0,0 +1,118 @@
+/**
+ */
+package org.xtext.example.mydsl.myDsl.impl;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.impl.EFactoryImpl;
+
+import org.eclipse.emf.ecore.plugin.EcorePlugin;
+
+import org.xtext.example.mydsl.myDsl.*;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Factory</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class MyDslFactoryImpl extends EFactoryImpl implements MyDslFactory
+{
+  /**
+   * Creates the default factory implementation.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public static MyDslFactory init()
+  {
+    try
+    {
+      MyDslFactory theMyDslFactory = (MyDslFactory)EPackage.Registry.INSTANCE.getEFactory("http://www.xtext.org/example/mydsl/MyDsl"); 
+      if (theMyDslFactory != null)
+      {
+        return theMyDslFactory;
+      }
+    }
+    catch (Exception exception)
+    {
+      EcorePlugin.INSTANCE.log(exception);
+    }
+    return new MyDslFactoryImpl();
+  }
+
+  /**
+   * Creates an instance of the factory.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public MyDslFactoryImpl()
+  {
+    super();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  @Override
+  public EObject create(EClass eClass)
+  {
+    switch (eClass.getClassifierID())
+    {
+      case MyDslPackage.MODEL: return createModel();
+      case MyDslPackage.GREETING: return createGreeting();
+      default:
+        throw new IllegalArgumentException("The class '" + eClass.getName() + "' is not a valid classifier");
+    }
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Model createModel()
+  {
+    ModelImpl model = new ModelImpl();
+    return model;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public Greeting createGreeting()
+  {
+    GreetingImpl greeting = new GreetingImpl();
+    return greeting;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public MyDslPackage getMyDslPackage()
+  {
+    return (MyDslPackage)getEPackage();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @deprecated
+   * @generated
+   */
+  @Deprecated
+  public static MyDslPackage getPackage()
+  {
+    return MyDslPackage.eINSTANCE;
+  }
+
+} //MyDslFactoryImpl
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/impl/MyDslPackageImpl.java b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/impl/MyDslPackageImpl.java
new file mode 100644
index 0000000..b869f30
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/impl/MyDslPackageImpl.java
@@ -0,0 +1,220 @@
+/**
+ */
+package org.xtext.example.mydsl.myDsl.impl;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+
+import org.eclipse.emf.ecore.impl.EPackageImpl;
+
+import org.xtext.example.mydsl.myDsl.Greeting;
+import org.xtext.example.mydsl.myDsl.Model;
+import org.xtext.example.mydsl.myDsl.MyDslFactory;
+import org.xtext.example.mydsl.myDsl.MyDslPackage;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Package</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class MyDslPackageImpl extends EPackageImpl implements MyDslPackage
+{
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass modelEClass = null;
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private EClass greetingEClass = null;
+
+  /**
+   * Creates an instance of the model <b>Package</b>, registered with
+   * {@link org.eclipse.emf.ecore.EPackage.Registry EPackage.Registry} by the package
+   * package URI value.
+   * <p>Note: the correct way to create the package is via the static
+   * factory method {@link #init init()}, which also performs
+   * initialization of the package, or returns the registered package,
+   * if one already exists.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see org.eclipse.emf.ecore.EPackage.Registry
+   * @see org.xtext.example.mydsl.myDsl.MyDslPackage#eNS_URI
+   * @see #init()
+   * @generated
+   */
+  private MyDslPackageImpl()
+  {
+    super(eNS_URI, MyDslFactory.eINSTANCE);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private static boolean isInited = false;
+
+  /**
+   * Creates, registers, and initializes the <b>Package</b> for this model, and for any others upon which it depends.
+   * 
+   * <p>This method is used to initialize {@link MyDslPackage#eINSTANCE} when that field is accessed.
+   * Clients should not invoke it directly. Instead, they should simply access that field to obtain the package.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @see #eNS_URI
+   * @see #createPackageContents()
+   * @see #initializePackageContents()
+   * @generated
+   */
+  public static MyDslPackage init()
+  {
+    if (isInited) return (MyDslPackage)EPackage.Registry.INSTANCE.getEPackage(MyDslPackage.eNS_URI);
+
+    // Obtain or create and register package
+    MyDslPackageImpl theMyDslPackage = (MyDslPackageImpl)(EPackage.Registry.INSTANCE.get(eNS_URI) instanceof MyDslPackageImpl ? EPackage.Registry.INSTANCE.get(eNS_URI) : new MyDslPackageImpl());
+
+    isInited = true;
+
+    // Create package meta-data objects
+    theMyDslPackage.createPackageContents();
+
+    // Initialize created meta-data
+    theMyDslPackage.initializePackageContents();
+
+    // Mark meta-data to indicate it can't be changed
+    theMyDslPackage.freeze();
+
+  
+    // Update the registry and return the package
+    EPackage.Registry.INSTANCE.put(MyDslPackage.eNS_URI, theMyDslPackage);
+    return theMyDslPackage;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EClass getModel()
+  {
+    return modelEClass;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EReference getModel_Greetings()
+  {
+    return (EReference)modelEClass.getEStructuralFeatures().get(0);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EClass getGreeting()
+  {
+    return greetingEClass;
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public EAttribute getGreeting_Name()
+  {
+    return (EAttribute)greetingEClass.getEStructuralFeatures().get(0);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public MyDslFactory getMyDslFactory()
+  {
+    return (MyDslFactory)getEFactoryInstance();
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private boolean isCreated = false;
+
+  /**
+   * Creates the meta-model objects for the package.  This method is
+   * guarded to have no affect on any invocation but its first.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void createPackageContents()
+  {
+    if (isCreated) return;
+    isCreated = true;
+
+    // Create classes and their features
+    modelEClass = createEClass(MODEL);
+    createEReference(modelEClass, MODEL__GREETINGS);
+
+    greetingEClass = createEClass(GREETING);
+    createEAttribute(greetingEClass, GREETING__NAME);
+  }
+
+  /**
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  private boolean isInitialized = false;
+
+  /**
+   * Complete the initialization of the package and its meta-model.  This
+   * method is guarded to have no affect on any invocation but its first.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public void initializePackageContents()
+  {
+    if (isInitialized) return;
+    isInitialized = true;
+
+    // Initialize package
+    setName(eNAME);
+    setNsPrefix(eNS_PREFIX);
+    setNsURI(eNS_URI);
+
+    // Create type parameters
+
+    // Set bounds for type parameters
+
+    // Add supertypes to classes
+
+    // Initialize classes and features; add operations and parameters
+    initEClass(modelEClass, Model.class, "Model", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEReference(getModel_Greetings(), this.getGreeting(), null, "greetings", null, 0, -1, Model.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+    initEClass(greetingEClass, Greeting.class, "Greeting", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+    initEAttribute(getGreeting_Name(), ecorePackage.getEString(), "name", null, 0, 1, Greeting.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+    // Create resource
+    createResource(eNS_URI);
+  }
+
+} //MyDslPackageImpl
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/util/MyDslAdapterFactory.java b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/util/MyDslAdapterFactory.java
new file mode 100644
index 0000000..95ad725
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/util/MyDslAdapterFactory.java
@@ -0,0 +1,152 @@
+/**
+ */
+package org.xtext.example.mydsl.myDsl.util;
+
+import org.eclipse.emf.common.notify.Adapter;
+import org.eclipse.emf.common.notify.Notifier;
+
+import org.eclipse.emf.common.notify.impl.AdapterFactoryImpl;
+
+import org.eclipse.emf.ecore.EObject;
+
+import org.xtext.example.mydsl.myDsl.*;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Adapter Factory</b> for the model.
+ * It provides an adapter <code>createXXX</code> method for each class of the model.
+ * <!-- end-user-doc -->
+ * @see org.xtext.example.mydsl.myDsl.MyDslPackage
+ * @generated
+ */
+public class MyDslAdapterFactory extends AdapterFactoryImpl
+{
+  /**
+   * The cached model package.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected static MyDslPackage modelPackage;
+
+  /**
+   * Creates an instance of the adapter factory.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public MyDslAdapterFactory()
+  {
+    if (modelPackage == null)
+    {
+      modelPackage = MyDslPackage.eINSTANCE;
+    }
+  }
+
+  /**
+   * Returns whether this factory is applicable for the type of the object.
+   * <!-- begin-user-doc -->
+   * This implementation returns <code>true</code> if the object is either the model's package or is an instance object of the model.
+   * <!-- end-user-doc -->
+   * @return whether this factory is applicable for the type of the object.
+   * @generated
+   */
+  @Override
+  public boolean isFactoryForType(Object object)
+  {
+    if (object == modelPackage)
+    {
+      return true;
+    }
+    if (object instanceof EObject)
+    {
+      return ((EObject)object).eClass().getEPackage() == modelPackage;
+    }
+    return false;
+  }
+
+  /**
+   * The switch that delegates to the <code>createXXX</code> methods.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected MyDslSwitch<Adapter> modelSwitch =
+    new MyDslSwitch<Adapter>()
+    {
+      @Override
+      public Adapter caseModel(Model object)
+      {
+        return createModelAdapter();
+      }
+      @Override
+      public Adapter caseGreeting(Greeting object)
+      {
+        return createGreetingAdapter();
+      }
+      @Override
+      public Adapter defaultCase(EObject object)
+      {
+        return createEObjectAdapter();
+      }
+    };
+
+  /**
+   * Creates an adapter for the <code>target</code>.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @param target the object to adapt.
+   * @return the adapter for the <code>target</code>.
+   * @generated
+   */
+  @Override
+  public Adapter createAdapter(Notifier target)
+  {
+    return modelSwitch.doSwitch((EObject)target);
+  }
+
+
+  /**
+   * Creates a new adapter for an object of class '{@link org.xtext.example.mydsl.myDsl.Model <em>Model</em>}'.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null so that we can easily ignore cases;
+   * it's useful to ignore a case when inheritance will catch all the cases anyway.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @see org.xtext.example.mydsl.myDsl.Model
+   * @generated
+   */
+  public Adapter createModelAdapter()
+  {
+    return null;
+  }
+
+  /**
+   * Creates a new adapter for an object of class '{@link org.xtext.example.mydsl.myDsl.Greeting <em>Greeting</em>}'.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null so that we can easily ignore cases;
+   * it's useful to ignore a case when inheritance will catch all the cases anyway.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @see org.xtext.example.mydsl.myDsl.Greeting
+   * @generated
+   */
+  public Adapter createGreetingAdapter()
+  {
+    return null;
+  }
+
+  /**
+   * Creates a new adapter for the default case.
+   * <!-- begin-user-doc -->
+   * This default implementation returns null.
+   * <!-- end-user-doc -->
+   * @return the new adapter.
+   * @generated
+   */
+  public Adapter createEObjectAdapter()
+  {
+    return null;
+  }
+
+} //MyDslAdapterFactory
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/util/MyDslSwitch.java b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/util/MyDslSwitch.java
new file mode 100644
index 0000000..8e8abbc
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/myDsl/util/MyDslSwitch.java
@@ -0,0 +1,142 @@
+/**
+ */
+package org.xtext.example.mydsl.myDsl.util;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.util.Switch;
+
+import org.xtext.example.mydsl.myDsl.*;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Switch</b> for the model's inheritance hierarchy.
+ * It supports the call {@link #doSwitch(EObject) doSwitch(object)}
+ * to invoke the <code>caseXXX</code> method for each class of the model,
+ * starting with the actual class of the object
+ * and proceeding up the inheritance hierarchy
+ * until a non-null result is returned,
+ * which is the result of the switch.
+ * <!-- end-user-doc -->
+ * @see org.xtext.example.mydsl.myDsl.MyDslPackage
+ * @generated
+ */
+public class MyDslSwitch<T> extends Switch<T>
+{
+  /**
+   * The cached model package
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  protected static MyDslPackage modelPackage;
+
+  /**
+   * Creates an instance of the switch.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @generated
+   */
+  public MyDslSwitch()
+  {
+    if (modelPackage == null)
+    {
+      modelPackage = MyDslPackage.eINSTANCE;
+    }
+  }
+
+  /**
+   * Checks whether this is a switch for the given package.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @parameter ePackage the package in question.
+   * @return whether this is a switch for the given package.
+   * @generated
+   */
+  @Override
+  protected boolean isSwitchFor(EPackage ePackage)
+  {
+    return ePackage == modelPackage;
+  }
+
+  /**
+   * Calls <code>caseXXX</code> for each class of the model until one returns a non null result; it yields that result.
+   * <!-- begin-user-doc -->
+   * <!-- end-user-doc -->
+   * @return the first non-null result returned by a <code>caseXXX</code> call.
+   * @generated
+   */
+  @Override
+  protected T doSwitch(int classifierID, EObject theEObject)
+  {
+    switch (classifierID)
+    {
+      case MyDslPackage.MODEL:
+      {
+        Model model = (Model)theEObject;
+        T result = caseModel(model);
+        if (result == null) result = defaultCase(theEObject);
+        return result;
+      }
+      case MyDslPackage.GREETING:
+      {
+        Greeting greeting = (Greeting)theEObject;
+        T result = caseGreeting(greeting);
+        if (result == null) result = defaultCase(theEObject);
+        return result;
+      }
+      default: return defaultCase(theEObject);
+    }
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>Model</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>Model</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+   * @generated
+   */
+  public T caseModel(Model object)
+  {
+    return null;
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>Greeting</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>Greeting</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+   * @generated
+   */
+  public T caseGreeting(Greeting object)
+  {
+    return null;
+  }
+
+  /**
+   * Returns the result of interpreting the object as an instance of '<em>EObject</em>'.
+   * <!-- begin-user-doc -->
+   * This implementation returns null;
+   * returning a non-null result will terminate the switch, but this is the last case anyway.
+   * <!-- end-user-doc -->
+   * @param object the target of the switch.
+   * @return the result of interpreting the object as an instance of '<em>EObject</em>'.
+   * @see #doSwitch(org.eclipse.emf.ecore.EObject)
+   * @generated
+   */
+  @Override
+  public T defaultCase(EObject object)
+  {
+    return null;
+  }
+
+} //MyDslSwitch
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/MyDslAntlrTokenFileProvider.java b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/MyDslAntlrTokenFileProvider.java
new file mode 100644
index 0000000..09037f0
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/MyDslAntlrTokenFileProvider.java
@@ -0,0 +1,15 @@
+/*
+* generated by Xtext
+*/
+package org.xtext.example.mydsl.parser.antlr;
+
+import java.io.InputStream;
+import org.eclipse.xtext.parser.antlr.IAntlrTokenFileProvider;
+
+public class MyDslAntlrTokenFileProvider implements IAntlrTokenFileProvider {
+	
+	public InputStream getAntlrTokenFile() {
+		ClassLoader classLoader = getClass().getClassLoader();
+    	return classLoader.getResourceAsStream("org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.tokens");
+	}
+}
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/MyDslParser.java b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/MyDslParser.java
new file mode 100644
index 0000000..cabcc76
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/MyDslParser.java
@@ -0,0 +1,39 @@
+/*
+* generated by Xtext
+*/
+package org.xtext.example.mydsl.parser.antlr;
+
+import com.google.inject.Inject;
+
+import org.eclipse.xtext.parser.antlr.XtextTokenStream;
+import org.xtext.example.mydsl.services.MyDslGrammarAccess;
+
+public class MyDslParser extends org.eclipse.xtext.parser.antlr.AbstractAntlrParser {
+	
+	@Inject
+	private MyDslGrammarAccess grammarAccess;
+	
+	@Override
+	protected void setInitialHiddenTokens(XtextTokenStream tokenStream) {
+		tokenStream.setInitialHiddenTokens("RULE_WS", "RULE_ML_COMMENT", "RULE_SL_COMMENT");
+	}
+	
+	@Override
+	protected org.xtext.example.mydsl.parser.antlr.internal.InternalMyDslParser createParser(XtextTokenStream stream) {
+		return new org.xtext.example.mydsl.parser.antlr.internal.InternalMyDslParser(stream, getGrammarAccess());
+	}
+	
+	@Override 
+	protected String getDefaultRuleName() {
+		return "Model";
+	}
+	
+	public MyDslGrammarAccess getGrammarAccess() {
+		return this.grammarAccess;
+	}
+	
+	public void setGrammarAccess(MyDslGrammarAccess grammarAccess) {
+		this.grammarAccess = grammarAccess;
+	}
+	
+}
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g
new file mode 100644
index 0000000..5ab5569
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g
@@ -0,0 +1,166 @@
+/*
+* generated by Xtext
+*/
+grammar InternalMyDsl;
+
+options {
+	superClass=AbstractInternalAntlrParser;
+	
+}
+
+@lexer::header {
+package org.xtext.example.mydsl.parser.antlr.internal;
+
+// Hack: Use our own Lexer superclass by means of import. 
+// Currently there is no other way to specify the superclass for the lexer.
+import org.eclipse.xtext.parser.antlr.Lexer;
+}
+
+@parser::header {
+package org.xtext.example.mydsl.parser.antlr.internal; 
+
+import org.eclipse.xtext.*;
+import org.eclipse.xtext.parser.*;
+import org.eclipse.xtext.parser.impl.*;
+import org.eclipse.emf.ecore.util.EcoreUtil;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.parser.antlr.AbstractInternalAntlrParser;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream.HiddenTokens;
+import org.eclipse.xtext.parser.antlr.AntlrDatatypeRuleToken;
+import org.xtext.example.mydsl.services.MyDslGrammarAccess;
+
+}
+
+@parser::members {
+
+ 	private MyDslGrammarAccess grammarAccess;
+ 	
+    public InternalMyDslParser(TokenStream input, MyDslGrammarAccess grammarAccess) {
+        this(input);
+        this.grammarAccess = grammarAccess;
+        registerRules(grammarAccess.getGrammar());
+    }
+    
+    @Override
+    protected String getFirstRuleName() {
+    	return "Model";	
+   	}
+   	
+   	@Override
+   	protected MyDslGrammarAccess getGrammarAccess() {
+   		return grammarAccess;
+   	}
+}
+
+@rulecatch { 
+    catch (RecognitionException re) { 
+        recover(input,re); 
+        appendSkippedTokens();
+    } 
+}
+
+
+
+
+// Entry rule entryRuleModel
+entryRuleModel returns [EObject current=null] 
+	:
+	{ newCompositeNode(grammarAccess.getModelRule()); }
+	 iv_ruleModel=ruleModel 
+	 { $current=$iv_ruleModel.current; } 
+	 EOF 
+;
+
+// Rule Model
+ruleModel returns [EObject current=null] 
+    @init { enterRule(); 
+    }
+    @after { leaveRule(); }:
+(
+(
+		{ 
+	        newCompositeNode(grammarAccess.getModelAccess().getGreetingsGreetingParserRuleCall_0()); 
+	    }
+		lv_greetings_0_0=ruleGreeting		{
+	        if ($current==null) {
+	            $current = createModelElementForParent(grammarAccess.getModelRule());
+	        }
+       		add(
+       			$current, 
+       			"greetings",
+        		lv_greetings_0_0, 
+        		"Greeting");
+	        afterParserOrEnumRuleCall();
+	    }
+
+)
+)*
+;
+
+
+
+
+
+// Entry rule entryRuleGreeting
+entryRuleGreeting returns [EObject current=null] 
+	:
+	{ newCompositeNode(grammarAccess.getGreetingRule()); }
+	 iv_ruleGreeting=ruleGreeting 
+	 { $current=$iv_ruleGreeting.current; } 
+	 EOF 
+;
+
+// Rule Greeting
+ruleGreeting returns [EObject current=null] 
+    @init { enterRule(); 
+    }
+    @after { leaveRule(); }:
+(	otherlv_0='Hello' 
+    {
+    	newLeafNode(otherlv_0, grammarAccess.getGreetingAccess().getHelloKeyword_0());
+    }
+(
+(
+		lv_name_1_0=RULE_ID
+		{
+			newLeafNode(lv_name_1_0, grammarAccess.getGreetingAccess().getNameIDTerminalRuleCall_1_0()); 
+		}
+		{
+	        if ($current==null) {
+	            $current = createModelElement(grammarAccess.getGreetingRule());
+	        }
+       		setWithLastConsumed(
+       			$current, 
+       			"name",
+        		lv_name_1_0, 
+        		"ID");
+	    }
+
+)
+)	otherlv_2='!' 
+    {
+    	newLeafNode(otherlv_2, grammarAccess.getGreetingAccess().getExclamationMarkKeyword_2());
+    }
+)
+;
+
+
+
+
+
+RULE_ID : '^'? ('a'..'z'|'A'..'Z'|'_') ('a'..'z'|'A'..'Z'|'_'|'0'..'9')*;
+
+RULE_INT : ('0'..'9')+;
+
+RULE_STRING : ('"' ('\\' ('b'|'t'|'n'|'f'|'r'|'u'|'"'|'\''|'\\')|~(('\\'|'"')))* '"'|'\'' ('\\' ('b'|'t'|'n'|'f'|'r'|'u'|'"'|'\''|'\\')|~(('\\'|'\'')))* '\'');
+
+RULE_ML_COMMENT : '/*' ( options {greedy=false;} : . )*'*/';
+
+RULE_SL_COMMENT : '//' ~(('\n'|'\r'))* ('\r'? '\n')?;
+
+RULE_WS : (' '|'\t'|'\r'|'\n')+;
+
+RULE_ANY_OTHER : .;
+
+
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.tokens b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.tokens
new file mode 100644
index 0000000..056b618
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.tokens
@@ -0,0 +1,11 @@
+RULE_ID=4
+RULE_STRING=6
+T__12=12
+T__11=11
+RULE_ANY_OTHER=10
+RULE_INT=5
+RULE_WS=9
+RULE_SL_COMMENT=8
+RULE_ML_COMMENT=7
+'!'=12
+'Hello'=11
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDslLexer.java b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDslLexer.java
new file mode 100644
index 0000000..bdb004c
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDslLexer.java
@@ -0,0 +1,803 @@
+package org.xtext.example.mydsl.parser.antlr.internal;
+
+// Hack: Use our own Lexer superclass by means of import. 
+// Currently there is no other way to specify the superclass for the lexer.
+import org.eclipse.xtext.parser.antlr.Lexer;
+
+
+import org.antlr.runtime.*;
+import java.util.Stack;
+import java.util.List;
+import java.util.ArrayList;
+
+@SuppressWarnings("all")
+public class InternalMyDslLexer extends Lexer {
+    public static final int RULE_ID=4;
+    public static final int RULE_STRING=6;
+    public static final int T__12=12;
+    public static final int T__11=11;
+    public static final int RULE_ANY_OTHER=10;
+    public static final int RULE_INT=5;
+    public static final int RULE_WS=9;
+    public static final int RULE_SL_COMMENT=8;
+    public static final int EOF=-1;
+    public static final int RULE_ML_COMMENT=7;
+
+    // delegates
+    // delegators
+
+    public InternalMyDslLexer() {;} 
+    public InternalMyDslLexer(CharStream input) {
+        this(input, new RecognizerSharedState());
+    }
+    public InternalMyDslLexer(CharStream input, RecognizerSharedState state) {
+        super(input,state);
+
+    }
+    public String getGrammarFileName() { return "../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g"; }
+
+    // $ANTLR start "T__11"
+    public final void mT__11() throws RecognitionException {
+        try {
+            int _type = T__11;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:11:7: ( 'Hello' )
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:11:9: 'Hello'
+            {
+            match("Hello"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__11"
+
+    // $ANTLR start "T__12"
+    public final void mT__12() throws RecognitionException {
+        try {
+            int _type = T__12;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:12:7: ( '!' )
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:12:9: '!'
+            {
+            match('!'); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "T__12"
+
+    // $ANTLR start "RULE_ID"
+    public final void mRULE_ID() throws RecognitionException {
+        try {
+            int _type = RULE_ID;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:152:9: ( ( '^' )? ( 'a' .. 'z' | 'A' .. 'Z' | '_' ) ( 'a' .. 'z' | 'A' .. 'Z' | '_' | '0' .. '9' )* )
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:152:11: ( '^' )? ( 'a' .. 'z' | 'A' .. 'Z' | '_' ) ( 'a' .. 'z' | 'A' .. 'Z' | '_' | '0' .. '9' )*
+            {
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:152:11: ( '^' )?
+            int alt1=2;
+            int LA1_0 = input.LA(1);
+
+            if ( (LA1_0=='^') ) {
+                alt1=1;
+            }
+            switch (alt1) {
+                case 1 :
+                    // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:152:11: '^'
+                    {
+                    match('^'); 
+
+                    }
+                    break;
+
+            }
+
+            if ( (input.LA(1)>='A' && input.LA(1)<='Z')||input.LA(1)=='_'||(input.LA(1)>='a' && input.LA(1)<='z') ) {
+                input.consume();
+
+            }
+            else {
+                MismatchedSetException mse = new MismatchedSetException(null,input);
+                recover(mse);
+                throw mse;}
+
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:152:40: ( 'a' .. 'z' | 'A' .. 'Z' | '_' | '0' .. '9' )*
+            loop2:
+            do {
+                int alt2=2;
+                int LA2_0 = input.LA(1);
+
+                if ( ((LA2_0>='0' && LA2_0<='9')||(LA2_0>='A' && LA2_0<='Z')||LA2_0=='_'||(LA2_0>='a' && LA2_0<='z')) ) {
+                    alt2=1;
+                }
+
+
+                switch (alt2) {
+            	case 1 :
+            	    // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:
+            	    {
+            	    if ( (input.LA(1)>='0' && input.LA(1)<='9')||(input.LA(1)>='A' && input.LA(1)<='Z')||input.LA(1)=='_'||(input.LA(1)>='a' && input.LA(1)<='z') ) {
+            	        input.consume();
+
+            	    }
+            	    else {
+            	        MismatchedSetException mse = new MismatchedSetException(null,input);
+            	        recover(mse);
+            	        throw mse;}
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop2;
+                }
+            } while (true);
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_ID"
+
+    // $ANTLR start "RULE_INT"
+    public final void mRULE_INT() throws RecognitionException {
+        try {
+            int _type = RULE_INT;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:154:10: ( ( '0' .. '9' )+ )
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:154:12: ( '0' .. '9' )+
+            {
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:154:12: ( '0' .. '9' )+
+            int cnt3=0;
+            loop3:
+            do {
+                int alt3=2;
+                int LA3_0 = input.LA(1);
+
+                if ( ((LA3_0>='0' && LA3_0<='9')) ) {
+                    alt3=1;
+                }
+
+
+                switch (alt3) {
+            	case 1 :
+            	    // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:154:13: '0' .. '9'
+            	    {
+            	    matchRange('0','9'); 
+
+            	    }
+            	    break;
+
+            	default :
+            	    if ( cnt3 >= 1 ) break loop3;
+                        EarlyExitException eee =
+                            new EarlyExitException(3, input);
+                        throw eee;
+                }
+                cnt3++;
+            } while (true);
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_INT"
+
+    // $ANTLR start "RULE_STRING"
+    public final void mRULE_STRING() throws RecognitionException {
+        try {
+            int _type = RULE_STRING;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:156:13: ( ( '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"' | '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\'' ) )
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:156:15: ( '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"' | '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\'' )
+            {
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:156:15: ( '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"' | '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\'' )
+            int alt6=2;
+            int LA6_0 = input.LA(1);
+
+            if ( (LA6_0=='\"') ) {
+                alt6=1;
+            }
+            else if ( (LA6_0=='\'') ) {
+                alt6=2;
+            }
+            else {
+                NoViableAltException nvae =
+                    new NoViableAltException("", 6, 0, input);
+
+                throw nvae;
+            }
+            switch (alt6) {
+                case 1 :
+                    // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:156:16: '\"' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )* '\"'
+                    {
+                    match('\"'); 
+                    // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:156:20: ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\"' ) ) )*
+                    loop4:
+                    do {
+                        int alt4=3;
+                        int LA4_0 = input.LA(1);
+
+                        if ( (LA4_0=='\\') ) {
+                            alt4=1;
+                        }
+                        else if ( ((LA4_0>='\u0000' && LA4_0<='!')||(LA4_0>='#' && LA4_0<='[')||(LA4_0>=']' && LA4_0<='\uFFFF')) ) {
+                            alt4=2;
+                        }
+
+
+                        switch (alt4) {
+                    	case 1 :
+                    	    // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:156:21: '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' )
+                    	    {
+                    	    match('\\'); 
+                    	    if ( input.LA(1)=='\"'||input.LA(1)=='\''||input.LA(1)=='\\'||input.LA(1)=='b'||input.LA(1)=='f'||input.LA(1)=='n'||input.LA(1)=='r'||(input.LA(1)>='t' && input.LA(1)<='u') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+                    	case 2 :
+                    	    // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:156:66: ~ ( ( '\\\\' | '\"' ) )
+                    	    {
+                    	    if ( (input.LA(1)>='\u0000' && input.LA(1)<='!')||(input.LA(1)>='#' && input.LA(1)<='[')||(input.LA(1)>=']' && input.LA(1)<='\uFFFF') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+
+                    	default :
+                    	    break loop4;
+                        }
+                    } while (true);
+
+                    match('\"'); 
+
+                    }
+                    break;
+                case 2 :
+                    // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:156:86: '\\'' ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )* '\\''
+                    {
+                    match('\''); 
+                    // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:156:91: ( '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' ) | ~ ( ( '\\\\' | '\\'' ) ) )*
+                    loop5:
+                    do {
+                        int alt5=3;
+                        int LA5_0 = input.LA(1);
+
+                        if ( (LA5_0=='\\') ) {
+                            alt5=1;
+                        }
+                        else if ( ((LA5_0>='\u0000' && LA5_0<='&')||(LA5_0>='(' && LA5_0<='[')||(LA5_0>=']' && LA5_0<='\uFFFF')) ) {
+                            alt5=2;
+                        }
+
+
+                        switch (alt5) {
+                    	case 1 :
+                    	    // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:156:92: '\\\\' ( 'b' | 't' | 'n' | 'f' | 'r' | 'u' | '\"' | '\\'' | '\\\\' )
+                    	    {
+                    	    match('\\'); 
+                    	    if ( input.LA(1)=='\"'||input.LA(1)=='\''||input.LA(1)=='\\'||input.LA(1)=='b'||input.LA(1)=='f'||input.LA(1)=='n'||input.LA(1)=='r'||(input.LA(1)>='t' && input.LA(1)<='u') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+                    	case 2 :
+                    	    // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:156:137: ~ ( ( '\\\\' | '\\'' ) )
+                    	    {
+                    	    if ( (input.LA(1)>='\u0000' && input.LA(1)<='&')||(input.LA(1)>='(' && input.LA(1)<='[')||(input.LA(1)>=']' && input.LA(1)<='\uFFFF') ) {
+                    	        input.consume();
+
+                    	    }
+                    	    else {
+                    	        MismatchedSetException mse = new MismatchedSetException(null,input);
+                    	        recover(mse);
+                    	        throw mse;}
+
+
+                    	    }
+                    	    break;
+
+                    	default :
+                    	    break loop5;
+                        }
+                    } while (true);
+
+                    match('\''); 
+
+                    }
+                    break;
+
+            }
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_STRING"
+
+    // $ANTLR start "RULE_ML_COMMENT"
+    public final void mRULE_ML_COMMENT() throws RecognitionException {
+        try {
+            int _type = RULE_ML_COMMENT;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:158:17: ( '/*' ( options {greedy=false; } : . )* '*/' )
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:158:19: '/*' ( options {greedy=false; } : . )* '*/'
+            {
+            match("/*"); 
+
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:158:24: ( options {greedy=false; } : . )*
+            loop7:
+            do {
+                int alt7=2;
+                int LA7_0 = input.LA(1);
+
+                if ( (LA7_0=='*') ) {
+                    int LA7_1 = input.LA(2);
+
+                    if ( (LA7_1=='/') ) {
+                        alt7=2;
+                    }
+                    else if ( ((LA7_1>='\u0000' && LA7_1<='.')||(LA7_1>='0' && LA7_1<='\uFFFF')) ) {
+                        alt7=1;
+                    }
+
+
+                }
+                else if ( ((LA7_0>='\u0000' && LA7_0<=')')||(LA7_0>='+' && LA7_0<='\uFFFF')) ) {
+                    alt7=1;
+                }
+
+
+                switch (alt7) {
+            	case 1 :
+            	    // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:158:52: .
+            	    {
+            	    matchAny(); 
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop7;
+                }
+            } while (true);
+
+            match("*/"); 
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_ML_COMMENT"
+
+    // $ANTLR start "RULE_SL_COMMENT"
+    public final void mRULE_SL_COMMENT() throws RecognitionException {
+        try {
+            int _type = RULE_SL_COMMENT;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:160:17: ( '//' (~ ( ( '\\n' | '\\r' ) ) )* ( ( '\\r' )? '\\n' )? )
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:160:19: '//' (~ ( ( '\\n' | '\\r' ) ) )* ( ( '\\r' )? '\\n' )?
+            {
+            match("//"); 
+
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:160:24: (~ ( ( '\\n' | '\\r' ) ) )*
+            loop8:
+            do {
+                int alt8=2;
+                int LA8_0 = input.LA(1);
+
+                if ( ((LA8_0>='\u0000' && LA8_0<='\t')||(LA8_0>='\u000B' && LA8_0<='\f')||(LA8_0>='\u000E' && LA8_0<='\uFFFF')) ) {
+                    alt8=1;
+                }
+
+
+                switch (alt8) {
+            	case 1 :
+            	    // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:160:24: ~ ( ( '\\n' | '\\r' ) )
+            	    {
+            	    if ( (input.LA(1)>='\u0000' && input.LA(1)<='\t')||(input.LA(1)>='\u000B' && input.LA(1)<='\f')||(input.LA(1)>='\u000E' && input.LA(1)<='\uFFFF') ) {
+            	        input.consume();
+
+            	    }
+            	    else {
+            	        MismatchedSetException mse = new MismatchedSetException(null,input);
+            	        recover(mse);
+            	        throw mse;}
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop8;
+                }
+            } while (true);
+
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:160:40: ( ( '\\r' )? '\\n' )?
+            int alt10=2;
+            int LA10_0 = input.LA(1);
+
+            if ( (LA10_0=='\n'||LA10_0=='\r') ) {
+                alt10=1;
+            }
+            switch (alt10) {
+                case 1 :
+                    // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:160:41: ( '\\r' )? '\\n'
+                    {
+                    // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:160:41: ( '\\r' )?
+                    int alt9=2;
+                    int LA9_0 = input.LA(1);
+
+                    if ( (LA9_0=='\r') ) {
+                        alt9=1;
+                    }
+                    switch (alt9) {
+                        case 1 :
+                            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:160:41: '\\r'
+                            {
+                            match('\r'); 
+
+                            }
+                            break;
+
+                    }
+
+                    match('\n'); 
+
+                    }
+                    break;
+
+            }
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_SL_COMMENT"
+
+    // $ANTLR start "RULE_WS"
+    public final void mRULE_WS() throws RecognitionException {
+        try {
+            int _type = RULE_WS;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:162:9: ( ( ' ' | '\\t' | '\\r' | '\\n' )+ )
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:162:11: ( ' ' | '\\t' | '\\r' | '\\n' )+
+            {
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:162:11: ( ' ' | '\\t' | '\\r' | '\\n' )+
+            int cnt11=0;
+            loop11:
+            do {
+                int alt11=2;
+                int LA11_0 = input.LA(1);
+
+                if ( ((LA11_0>='\t' && LA11_0<='\n')||LA11_0=='\r'||LA11_0==' ') ) {
+                    alt11=1;
+                }
+
+
+                switch (alt11) {
+            	case 1 :
+            	    // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:
+            	    {
+            	    if ( (input.LA(1)>='\t' && input.LA(1)<='\n')||input.LA(1)=='\r'||input.LA(1)==' ' ) {
+            	        input.consume();
+
+            	    }
+            	    else {
+            	        MismatchedSetException mse = new MismatchedSetException(null,input);
+            	        recover(mse);
+            	        throw mse;}
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    if ( cnt11 >= 1 ) break loop11;
+                        EarlyExitException eee =
+                            new EarlyExitException(11, input);
+                        throw eee;
+                }
+                cnt11++;
+            } while (true);
+
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_WS"
+
+    // $ANTLR start "RULE_ANY_OTHER"
+    public final void mRULE_ANY_OTHER() throws RecognitionException {
+        try {
+            int _type = RULE_ANY_OTHER;
+            int _channel = DEFAULT_TOKEN_CHANNEL;
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:164:16: ( . )
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:164:18: .
+            {
+            matchAny(); 
+
+            }
+
+            state.type = _type;
+            state.channel = _channel;
+        }
+        finally {
+        }
+    }
+    // $ANTLR end "RULE_ANY_OTHER"
+
+    public void mTokens() throws RecognitionException {
+        // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:1:8: ( T__11 | T__12 | RULE_ID | RULE_INT | RULE_STRING | RULE_ML_COMMENT | RULE_SL_COMMENT | RULE_WS | RULE_ANY_OTHER )
+        int alt12=9;
+        alt12 = dfa12.predict(input);
+        switch (alt12) {
+            case 1 :
+                // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:1:10: T__11
+                {
+                mT__11(); 
+
+                }
+                break;
+            case 2 :
+                // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:1:16: T__12
+                {
+                mT__12(); 
+
+                }
+                break;
+            case 3 :
+                // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:1:22: RULE_ID
+                {
+                mRULE_ID(); 
+
+                }
+                break;
+            case 4 :
+                // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:1:30: RULE_INT
+                {
+                mRULE_INT(); 
+
+                }
+                break;
+            case 5 :
+                // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:1:39: RULE_STRING
+                {
+                mRULE_STRING(); 
+
+                }
+                break;
+            case 6 :
+                // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:1:51: RULE_ML_COMMENT
+                {
+                mRULE_ML_COMMENT(); 
+
+                }
+                break;
+            case 7 :
+                // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:1:67: RULE_SL_COMMENT
+                {
+                mRULE_SL_COMMENT(); 
+
+                }
+                break;
+            case 8 :
+                // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:1:83: RULE_WS
+                {
+                mRULE_WS(); 
+
+                }
+                break;
+            case 9 :
+                // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:1:91: RULE_ANY_OTHER
+                {
+                mRULE_ANY_OTHER(); 
+
+                }
+                break;
+
+        }
+
+    }
+
+
+    protected DFA12 dfa12 = new DFA12(this);
+    static final String DFA12_eotS =
+        "\1\uffff\1\14\1\uffff\1\12\2\uffff\3\12\2\uffff\1\14\7\uffff\2\14"+
+        "\1\26\1\uffff";
+    static final String DFA12_eofS =
+        "\27\uffff";
+    static final String DFA12_minS =
+        "\1\0\1\145\1\uffff\1\101\2\uffff\2\0\1\52\2\uffff\1\154\7\uffff"+
+        "\1\154\1\157\1\60\1\uffff";
+    static final String DFA12_maxS =
+        "\1\uffff\1\145\1\uffff\1\172\2\uffff\2\uffff\1\57\2\uffff\1\154"+
+        "\7\uffff\1\154\1\157\1\172\1\uffff";
+    static final String DFA12_acceptS =
+        "\2\uffff\1\2\1\uffff\1\3\1\4\3\uffff\1\10\1\11\1\uffff\1\3\1\2\1"+
+        "\4\1\5\1\6\1\7\1\10\3\uffff\1\1";
+    static final String DFA12_specialS =
+        "\1\0\5\uffff\1\2\1\1\17\uffff}>";
+    static final String[] DFA12_transitionS = {
+            "\11\12\2\11\2\12\1\11\22\12\1\11\1\2\1\6\4\12\1\7\7\12\1\10"+
+            "\12\5\7\12\7\4\1\1\22\4\3\12\1\3\1\4\1\12\32\4\uff85\12",
+            "\1\13",
+            "",
+            "\32\14\4\uffff\1\14\1\uffff\32\14",
+            "",
+            "",
+            "\0\17",
+            "\0\17",
+            "\1\20\4\uffff\1\21",
+            "",
+            "",
+            "\1\23",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "",
+            "\1\24",
+            "\1\25",
+            "\12\14\7\uffff\32\14\4\uffff\1\14\1\uffff\32\14",
+            ""
+    };
+
+    static final short[] DFA12_eot = DFA.unpackEncodedString(DFA12_eotS);
+    static final short[] DFA12_eof = DFA.unpackEncodedString(DFA12_eofS);
+    static final char[] DFA12_min = DFA.unpackEncodedStringToUnsignedChars(DFA12_minS);
+    static final char[] DFA12_max = DFA.unpackEncodedStringToUnsignedChars(DFA12_maxS);
+    static final short[] DFA12_accept = DFA.unpackEncodedString(DFA12_acceptS);
+    static final short[] DFA12_special = DFA.unpackEncodedString(DFA12_specialS);
+    static final short[][] DFA12_transition;
+
+    static {
+        int numStates = DFA12_transitionS.length;
+        DFA12_transition = new short[numStates][];
+        for (int i=0; i<numStates; i++) {
+            DFA12_transition[i] = DFA.unpackEncodedString(DFA12_transitionS[i]);
+        }
+    }
+
+    class DFA12 extends DFA {
+
+        public DFA12(BaseRecognizer recognizer) {
+            this.recognizer = recognizer;
+            this.decisionNumber = 12;
+            this.eot = DFA12_eot;
+            this.eof = DFA12_eof;
+            this.min = DFA12_min;
+            this.max = DFA12_max;
+            this.accept = DFA12_accept;
+            this.special = DFA12_special;
+            this.transition = DFA12_transition;
+        }
+        public String getDescription() {
+            return "1:1: Tokens : ( T__11 | T__12 | RULE_ID | RULE_INT | RULE_STRING | RULE_ML_COMMENT | RULE_SL_COMMENT | RULE_WS | RULE_ANY_OTHER );";
+        }
+        public int specialStateTransition(int s, IntStream _input) throws NoViableAltException {
+            IntStream input = _input;
+        	int _s = s;
+            switch ( s ) {
+                    case 0 : 
+                        int LA12_0 = input.LA(1);
+
+                        s = -1;
+                        if ( (LA12_0=='H') ) {s = 1;}
+
+                        else if ( (LA12_0=='!') ) {s = 2;}
+
+                        else if ( (LA12_0=='^') ) {s = 3;}
+
+                        else if ( ((LA12_0>='A' && LA12_0<='G')||(LA12_0>='I' && LA12_0<='Z')||LA12_0=='_'||(LA12_0>='a' && LA12_0<='z')) ) {s = 4;}
+
+                        else if ( ((LA12_0>='0' && LA12_0<='9')) ) {s = 5;}
+
+                        else if ( (LA12_0=='\"') ) {s = 6;}
+
+                        else if ( (LA12_0=='\'') ) {s = 7;}
+
+                        else if ( (LA12_0=='/') ) {s = 8;}
+
+                        else if ( ((LA12_0>='\t' && LA12_0<='\n')||LA12_0=='\r'||LA12_0==' ') ) {s = 9;}
+
+                        else if ( ((LA12_0>='\u0000' && LA12_0<='\b')||(LA12_0>='\u000B' && LA12_0<='\f')||(LA12_0>='\u000E' && LA12_0<='\u001F')||(LA12_0>='#' && LA12_0<='&')||(LA12_0>='(' && LA12_0<='.')||(LA12_0>=':' && LA12_0<='@')||(LA12_0>='[' && LA12_0<=']')||LA12_0=='`'||(LA12_0>='{' && LA12_0<='\uFFFF')) ) {s = 10;}
+
+                        if ( s>=0 ) return s;
+                        break;
+                    case 1 : 
+                        int LA12_7 = input.LA(1);
+
+                        s = -1;
+                        if ( ((LA12_7>='\u0000' && LA12_7<='\uFFFF')) ) {s = 15;}
+
+                        else s = 10;
+
+                        if ( s>=0 ) return s;
+                        break;
+                    case 2 : 
+                        int LA12_6 = input.LA(1);
+
+                        s = -1;
+                        if ( ((LA12_6>='\u0000' && LA12_6<='\uFFFF')) ) {s = 15;}
+
+                        else s = 10;
+
+                        if ( s>=0 ) return s;
+                        break;
+            }
+            NoViableAltException nvae =
+                new NoViableAltException(getDescription(), 12, _s, input);
+            error(nvae);
+            throw nvae;
+        }
+    }
+ 
+
+}
\ No newline at end of file
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDslParser.java b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDslParser.java
new file mode 100644
index 0000000..d735c56
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDslParser.java
@@ -0,0 +1,312 @@
+package org.xtext.example.mydsl.parser.antlr.internal; 
+
+import org.eclipse.xtext.*;
+import org.eclipse.xtext.parser.*;
+import org.eclipse.xtext.parser.impl.*;
+import org.eclipse.emf.ecore.util.EcoreUtil;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.parser.antlr.AbstractInternalAntlrParser;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream;
+import org.eclipse.xtext.parser.antlr.XtextTokenStream.HiddenTokens;
+import org.eclipse.xtext.parser.antlr.AntlrDatatypeRuleToken;
+import org.xtext.example.mydsl.services.MyDslGrammarAccess;
+
+
+
+import org.antlr.runtime.*;
+import java.util.Stack;
+import java.util.List;
+import java.util.ArrayList;
+
+@SuppressWarnings("all")
+public class InternalMyDslParser extends AbstractInternalAntlrParser {
+    public static final String[] tokenNames = new String[] {
+        "<invalid>", "<EOR>", "<DOWN>", "<UP>", "RULE_ID", "RULE_INT", "RULE_STRING", "RULE_ML_COMMENT", "RULE_SL_COMMENT", "RULE_WS", "RULE_ANY_OTHER", "'Hello'", "'!'"
+    };
+    public static final int RULE_ID=4;
+    public static final int RULE_STRING=6;
+    public static final int T__12=12;
+    public static final int T__11=11;
+    public static final int RULE_ANY_OTHER=10;
+    public static final int RULE_INT=5;
+    public static final int RULE_WS=9;
+    public static final int RULE_SL_COMMENT=8;
+    public static final int EOF=-1;
+    public static final int RULE_ML_COMMENT=7;
+
+    // delegates
+    // delegators
+
+
+        public InternalMyDslParser(TokenStream input) {
+            this(input, new RecognizerSharedState());
+        }
+        public InternalMyDslParser(TokenStream input, RecognizerSharedState state) {
+            super(input, state);
+             
+        }
+        
+
+    public String[] getTokenNames() { return InternalMyDslParser.tokenNames; }
+    public String getGrammarFileName() { return "../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g"; }
+
+
+
+     	private MyDslGrammarAccess grammarAccess;
+     	
+        public InternalMyDslParser(TokenStream input, MyDslGrammarAccess grammarAccess) {
+            this(input);
+            this.grammarAccess = grammarAccess;
+            registerRules(grammarAccess.getGrammar());
+        }
+        
+        @Override
+        protected String getFirstRuleName() {
+        	return "Model";	
+       	}
+       	
+       	@Override
+       	protected MyDslGrammarAccess getGrammarAccess() {
+       		return grammarAccess;
+       	}
+
+
+
+    // $ANTLR start "entryRuleModel"
+    // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:67:1: entryRuleModel returns [EObject current=null] : iv_ruleModel= ruleModel EOF ;
+    public final EObject entryRuleModel() throws RecognitionException {
+        EObject current = null;
+
+        EObject iv_ruleModel = null;
+
+
+        try {
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:68:2: (iv_ruleModel= ruleModel EOF )
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:69:2: iv_ruleModel= ruleModel EOF
+            {
+             newCompositeNode(grammarAccess.getModelRule()); 
+            pushFollow(FOLLOW_ruleModel_in_entryRuleModel75);
+            iv_ruleModel=ruleModel();
+
+            state._fsp--;
+
+             current =iv_ruleModel; 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleModel85); 
+
+            }
+
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "entryRuleModel"
+
+
+    // $ANTLR start "ruleModel"
+    // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:76:1: ruleModel returns [EObject current=null] : ( (lv_greetings_0_0= ruleGreeting ) )* ;
+    public final EObject ruleModel() throws RecognitionException {
+        EObject current = null;
+
+        EObject lv_greetings_0_0 = null;
+
+
+         enterRule(); 
+            
+        try {
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:79:28: ( ( (lv_greetings_0_0= ruleGreeting ) )* )
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:80:1: ( (lv_greetings_0_0= ruleGreeting ) )*
+            {
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:80:1: ( (lv_greetings_0_0= ruleGreeting ) )*
+            loop1:
+            do {
+                int alt1=2;
+                int LA1_0 = input.LA(1);
+
+                if ( (LA1_0==11) ) {
+                    alt1=1;
+                }
+
+
+                switch (alt1) {
+            	case 1 :
+            	    // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:81:1: (lv_greetings_0_0= ruleGreeting )
+            	    {
+            	    // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:81:1: (lv_greetings_0_0= ruleGreeting )
+            	    // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:82:3: lv_greetings_0_0= ruleGreeting
+            	    {
+            	     
+            	    	        newCompositeNode(grammarAccess.getModelAccess().getGreetingsGreetingParserRuleCall_0()); 
+            	    	    
+            	    pushFollow(FOLLOW_ruleGreeting_in_ruleModel130);
+            	    lv_greetings_0_0=ruleGreeting();
+
+            	    state._fsp--;
+
+
+            	    	        if (current==null) {
+            	    	            current = createModelElementForParent(grammarAccess.getModelRule());
+            	    	        }
+            	           		add(
+            	           			current, 
+            	           			"greetings",
+            	            		lv_greetings_0_0, 
+            	            		"Greeting");
+            	    	        afterParserOrEnumRuleCall();
+            	    	    
+
+            	    }
+
+
+            	    }
+            	    break;
+
+            	default :
+            	    break loop1;
+                }
+            } while (true);
+
+
+            }
+
+             leaveRule(); 
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "ruleModel"
+
+
+    // $ANTLR start "entryRuleGreeting"
+    // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:106:1: entryRuleGreeting returns [EObject current=null] : iv_ruleGreeting= ruleGreeting EOF ;
+    public final EObject entryRuleGreeting() throws RecognitionException {
+        EObject current = null;
+
+        EObject iv_ruleGreeting = null;
+
+
+        try {
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:107:2: (iv_ruleGreeting= ruleGreeting EOF )
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:108:2: iv_ruleGreeting= ruleGreeting EOF
+            {
+             newCompositeNode(grammarAccess.getGreetingRule()); 
+            pushFollow(FOLLOW_ruleGreeting_in_entryRuleGreeting166);
+            iv_ruleGreeting=ruleGreeting();
+
+            state._fsp--;
+
+             current =iv_ruleGreeting; 
+            match(input,EOF,FOLLOW_EOF_in_entryRuleGreeting176); 
+
+            }
+
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "entryRuleGreeting"
+
+
+    // $ANTLR start "ruleGreeting"
+    // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:115:1: ruleGreeting returns [EObject current=null] : (otherlv_0= 'Hello' ( (lv_name_1_0= RULE_ID ) ) otherlv_2= '!' ) ;
+    public final EObject ruleGreeting() throws RecognitionException {
+        EObject current = null;
+
+        Token otherlv_0=null;
+        Token lv_name_1_0=null;
+        Token otherlv_2=null;
+
+         enterRule(); 
+            
+        try {
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:118:28: ( (otherlv_0= 'Hello' ( (lv_name_1_0= RULE_ID ) ) otherlv_2= '!' ) )
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:119:1: (otherlv_0= 'Hello' ( (lv_name_1_0= RULE_ID ) ) otherlv_2= '!' )
+            {
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:119:1: (otherlv_0= 'Hello' ( (lv_name_1_0= RULE_ID ) ) otherlv_2= '!' )
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:119:3: otherlv_0= 'Hello' ( (lv_name_1_0= RULE_ID ) ) otherlv_2= '!'
+            {
+            otherlv_0=(Token)match(input,11,FOLLOW_11_in_ruleGreeting213); 
+
+                	newLeafNode(otherlv_0, grammarAccess.getGreetingAccess().getHelloKeyword_0());
+                
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:123:1: ( (lv_name_1_0= RULE_ID ) )
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:124:1: (lv_name_1_0= RULE_ID )
+            {
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:124:1: (lv_name_1_0= RULE_ID )
+            // ../org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/parser/antlr/internal/InternalMyDsl.g:125:3: lv_name_1_0= RULE_ID
+            {
+            lv_name_1_0=(Token)match(input,RULE_ID,FOLLOW_RULE_ID_in_ruleGreeting230); 
+
+            			newLeafNode(lv_name_1_0, grammarAccess.getGreetingAccess().getNameIDTerminalRuleCall_1_0()); 
+            		
+
+            	        if (current==null) {
+            	            current = createModelElement(grammarAccess.getGreetingRule());
+            	        }
+                   		setWithLastConsumed(
+                   			current, 
+                   			"name",
+                    		lv_name_1_0, 
+                    		"ID");
+            	    
+
+            }
+
+
+            }
+
+            otherlv_2=(Token)match(input,12,FOLLOW_12_in_ruleGreeting247); 
+
+                	newLeafNode(otherlv_2, grammarAccess.getGreetingAccess().getExclamationMarkKeyword_2());
+                
+
+            }
+
+
+            }
+
+             leaveRule(); 
+        }
+         
+            catch (RecognitionException re) { 
+                recover(input,re); 
+                appendSkippedTokens();
+            } 
+        finally {
+        }
+        return current;
+    }
+    // $ANTLR end "ruleGreeting"
+
+    // Delegated rules
+
+
+ 
+
+    public static final BitSet FOLLOW_ruleModel_in_entryRuleModel75 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleModel85 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_ruleGreeting_in_ruleModel130 = new BitSet(new long[]{0x0000000000000802L});
+    public static final BitSet FOLLOW_ruleGreeting_in_entryRuleGreeting166 = new BitSet(new long[]{0x0000000000000000L});
+    public static final BitSet FOLLOW_EOF_in_entryRuleGreeting176 = new BitSet(new long[]{0x0000000000000002L});
+    public static final BitSet FOLLOW_11_in_ruleGreeting213 = new BitSet(new long[]{0x0000000000000010L});
+    public static final BitSet FOLLOW_RULE_ID_in_ruleGreeting230 = new BitSet(new long[]{0x0000000000001000L});
+    public static final BitSet FOLLOW_12_in_ruleGreeting247 = new BitSet(new long[]{0x0000000000000002L});
+
+}
\ No newline at end of file
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/serializer/MyDslSemanticSequencer.java b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/serializer/MyDslSemanticSequencer.java
new file mode 100644
index 0000000..5e0a5c8
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/serializer/MyDslSemanticSequencer.java
@@ -0,0 +1,68 @@
+package org.xtext.example.mydsl.serializer;
+
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.serializer.acceptor.ISemanticSequenceAcceptor;
+import org.eclipse.xtext.serializer.acceptor.SequenceFeeder;
+import org.eclipse.xtext.serializer.diagnostic.ISemanticSequencerDiagnosticProvider;
+import org.eclipse.xtext.serializer.diagnostic.ISerializationDiagnostic.Acceptor;
+import org.eclipse.xtext.serializer.sequencer.AbstractDelegatingSemanticSequencer;
+import org.eclipse.xtext.serializer.sequencer.GenericSequencer;
+import org.eclipse.xtext.serializer.sequencer.ISemanticNodeProvider.INodesForEObjectProvider;
+import org.eclipse.xtext.serializer.sequencer.ISemanticSequencer;
+import org.eclipse.xtext.serializer.sequencer.ITransientValueService;
+import org.eclipse.xtext.serializer.sequencer.ITransientValueService.ValueTransient;
+import org.xtext.example.mydsl.myDsl.Greeting;
+import org.xtext.example.mydsl.myDsl.Model;
+import org.xtext.example.mydsl.myDsl.MyDslPackage;
+import org.xtext.example.mydsl.services.MyDslGrammarAccess;
+
+@SuppressWarnings("all")
+public class MyDslSemanticSequencer extends AbstractDelegatingSemanticSequencer {
+
+	@Inject
+	private MyDslGrammarAccess grammarAccess;
+	
+	public void createSequence(EObject context, EObject semanticObject) {
+		if(semanticObject.eClass().getEPackage() == MyDslPackage.eINSTANCE) switch(semanticObject.eClass().getClassifierID()) {
+			case MyDslPackage.GREETING:
+				if(context == grammarAccess.getGreetingRule()) {
+					sequence_Greeting(context, (Greeting) semanticObject); 
+					return; 
+				}
+				else break;
+			case MyDslPackage.MODEL:
+				if(context == grammarAccess.getModelRule()) {
+					sequence_Model(context, (Model) semanticObject); 
+					return; 
+				}
+				else break;
+			}
+		if (errorAcceptor != null) errorAcceptor.accept(diagnosticProvider.createInvalidContextOrTypeDiagnostic(semanticObject, context));
+	}
+	
+	/**
+	 * Constraint:
+	 *     name=ID
+	 */
+	protected void sequence_Greeting(EObject context, Greeting semanticObject) {
+		if(errorAcceptor != null) {
+			if(transientValues.isValueTransient(semanticObject, MyDslPackage.Literals.GREETING__NAME) == ValueTransient.YES)
+				errorAcceptor.accept(diagnosticProvider.createFeatureValueMissing(semanticObject, MyDslPackage.Literals.GREETING__NAME));
+		}
+		INodesForEObjectProvider nodes = createNodeProvider(semanticObject);
+		SequenceFeeder feeder = createSequencerFeeder(semanticObject, nodes);
+		feeder.accept(grammarAccess.getGreetingAccess().getNameIDTerminalRuleCall_1_0(), semanticObject.getName());
+		feeder.finish();
+	}
+	
+	
+	/**
+	 * Constraint:
+	 *     greetings+=Greeting*
+	 */
+	protected void sequence_Model(EObject context, Model semanticObject) {
+		genericSequencer.createSequence(context, semanticObject);
+	}
+}
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/serializer/MyDslSyntacticSequencer.java b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/serializer/MyDslSyntacticSequencer.java
new file mode 100644
index 0000000..181399b
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/serializer/MyDslSyntacticSequencer.java
@@ -0,0 +1,40 @@
+package org.xtext.example.mydsl.serializer;
+
+import com.google.inject.Inject;
+import java.util.List;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.xtext.IGrammarAccess;
+import org.eclipse.xtext.RuleCall;
+import org.eclipse.xtext.nodemodel.INode;
+import org.eclipse.xtext.serializer.analysis.GrammarAlias.AbstractElementAlias;
+import org.eclipse.xtext.serializer.analysis.ISyntacticSequencerPDAProvider.ISynTransition;
+import org.eclipse.xtext.serializer.sequencer.AbstractSyntacticSequencer;
+import org.xtext.example.mydsl.services.MyDslGrammarAccess;
+
+@SuppressWarnings("all")
+public class MyDslSyntacticSequencer extends AbstractSyntacticSequencer {
+
+	protected MyDslGrammarAccess grammarAccess;
+	
+	@Inject
+	protected void init(IGrammarAccess access) {
+		grammarAccess = (MyDslGrammarAccess) access;
+	}
+	
+	@Override
+	protected String getUnassignedRuleCallToken(EObject semanticObject, RuleCall ruleCall, INode node) {
+		return "";
+	}
+	
+	
+	@Override
+	protected void emitUnassignedTokens(EObject semanticObject, ISynTransition transition, INode fromNode, INode toNode) {
+		if (transition.getAmbiguousSyntaxes().isEmpty()) return;
+		List<INode> transitionNodes = collectNodes(fromNode, toNode);
+		for (AbstractElementAlias syntax : transition.getAmbiguousSyntaxes()) {
+			List<INode> syntaxNodes = getNodesFor(transitionNodes, syntax);
+			acceptNodes(getLastNavigableState(), syntaxNodes);
+		}
+	}
+
+}
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/services/MyDslGrammarAccess.java b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/services/MyDslGrammarAccess.java
new file mode 100644
index 0000000..4826514
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/services/MyDslGrammarAccess.java
@@ -0,0 +1,170 @@
+/*
+* generated by Xtext
+*/
+
+package org.xtext.example.mydsl.services;
+
+import com.google.inject.Singleton;
+import com.google.inject.Inject;
+
+import java.util.List;
+
+import org.eclipse.xtext.*;
+import org.eclipse.xtext.service.GrammarProvider;
+import org.eclipse.xtext.service.AbstractElementFinder.*;
+
+import org.eclipse.xtext.common.services.TerminalsGrammarAccess;
+
+@Singleton
+public class MyDslGrammarAccess extends AbstractGrammarElementFinder {
+	
+	
+	public class ModelElements extends AbstractParserRuleElementFinder {
+		private final ParserRule rule = (ParserRule) GrammarUtil.findRuleForName(getGrammar(), "Model");
+		private final Assignment cGreetingsAssignment = (Assignment)rule.eContents().get(1);
+		private final RuleCall cGreetingsGreetingParserRuleCall_0 = (RuleCall)cGreetingsAssignment.eContents().get(0);
+		
+		//Model:
+		//	greetings+=Greeting*;
+		public ParserRule getRule() { return rule; }
+
+		//greetings+=Greeting*
+		public Assignment getGreetingsAssignment() { return cGreetingsAssignment; }
+
+		//Greeting
+		public RuleCall getGreetingsGreetingParserRuleCall_0() { return cGreetingsGreetingParserRuleCall_0; }
+	}
+
+	public class GreetingElements extends AbstractParserRuleElementFinder {
+		private final ParserRule rule = (ParserRule) GrammarUtil.findRuleForName(getGrammar(), "Greeting");
+		private final Group cGroup = (Group)rule.eContents().get(1);
+		private final Keyword cHelloKeyword_0 = (Keyword)cGroup.eContents().get(0);
+		private final Assignment cNameAssignment_1 = (Assignment)cGroup.eContents().get(1);
+		private final RuleCall cNameIDTerminalRuleCall_1_0 = (RuleCall)cNameAssignment_1.eContents().get(0);
+		private final Keyword cExclamationMarkKeyword_2 = (Keyword)cGroup.eContents().get(2);
+		
+		//Greeting:
+		//	"Hello" name=ID "!";
+		public ParserRule getRule() { return rule; }
+
+		//"Hello" name=ID "!"
+		public Group getGroup() { return cGroup; }
+
+		//"Hello"
+		public Keyword getHelloKeyword_0() { return cHelloKeyword_0; }
+
+		//name=ID
+		public Assignment getNameAssignment_1() { return cNameAssignment_1; }
+
+		//ID
+		public RuleCall getNameIDTerminalRuleCall_1_0() { return cNameIDTerminalRuleCall_1_0; }
+
+		//"!"
+		public Keyword getExclamationMarkKeyword_2() { return cExclamationMarkKeyword_2; }
+	}
+	
+	
+	private ModelElements pModel;
+	private GreetingElements pGreeting;
+	
+	private final Grammar grammar;
+
+	private TerminalsGrammarAccess gaTerminals;
+
+	@Inject
+	public MyDslGrammarAccess(GrammarProvider grammarProvider,
+		TerminalsGrammarAccess gaTerminals) {
+		this.grammar = internalFindGrammar(grammarProvider);
+		this.gaTerminals = gaTerminals;
+	}
+	
+	protected Grammar internalFindGrammar(GrammarProvider grammarProvider) {
+		Grammar grammar = grammarProvider.getGrammar(this);
+		while (grammar != null) {
+			if ("org.xtext.example.mydsl.MyDsl".equals(grammar.getName())) {
+				return grammar;
+			}
+			List<Grammar> grammars = grammar.getUsedGrammars();
+			if (!grammars.isEmpty()) {
+				grammar = grammars.iterator().next();
+			} else {
+				return null;
+			}
+		}
+		return grammar;
+	}
+	
+	
+	public Grammar getGrammar() {
+		return grammar;
+	}
+	
+
+	public TerminalsGrammarAccess getTerminalsGrammarAccess() {
+		return gaTerminals;
+	}
+
+	
+	//Model:
+	//	greetings+=Greeting*;
+	public ModelElements getModelAccess() {
+		return (pModel != null) ? pModel : (pModel = new ModelElements());
+	}
+	
+	public ParserRule getModelRule() {
+		return getModelAccess().getRule();
+	}
+
+	//Greeting:
+	//	"Hello" name=ID "!";
+	public GreetingElements getGreetingAccess() {
+		return (pGreeting != null) ? pGreeting : (pGreeting = new GreetingElements());
+	}
+	
+	public ParserRule getGreetingRule() {
+		return getGreetingAccess().getRule();
+	}
+
+	//terminal ID:
+	//	"^"? ("a".."z" | "A".."Z" | "_") ("a".."z" | "A".."Z" | "_" | "0".."9")*;
+	public TerminalRule getIDRule() {
+		return gaTerminals.getIDRule();
+	} 
+
+	//terminal INT returns ecore::EInt:
+	//	"0".."9"+;
+	public TerminalRule getINTRule() {
+		return gaTerminals.getINTRule();
+	} 
+
+	//terminal STRING:
+	//	"\"" ("\\" ("b" | "t" | "n" | "f" | "r" | "u" | "\"" | "\'" | "\\") | !("\\" | "\""))* "\"" | "\'" ("\\" ("b" | "t" |
+	//	"n" | "f" | "r" | "u" | "\"" | "\'" | "\\") | !("\\" | "\'"))* "\'";
+	public TerminalRule getSTRINGRule() {
+		return gaTerminals.getSTRINGRule();
+	} 
+
+	//terminal ML_COMMENT:
+	//	"/ *"->"* /";
+	public TerminalRule getML_COMMENTRule() {
+		return gaTerminals.getML_COMMENTRule();
+	} 
+
+	//terminal SL_COMMENT:
+	//	"//" !("\n" | "\r")* ("\r"? "\n")?;
+	public TerminalRule getSL_COMMENTRule() {
+		return gaTerminals.getSL_COMMENTRule();
+	} 
+
+	//terminal WS:
+	//	(" " | "\t" | "\r" | "\n")+;
+	public TerminalRule getWSRule() {
+		return gaTerminals.getWSRule();
+	} 
+
+	//terminal ANY_OTHER:
+	//	.;
+	public TerminalRule getANY_OTHERRule() {
+		return gaTerminals.getANY_OTHERRule();
+	} 
+}
diff --git a/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/validation/AbstractMyDslJavaValidator.java b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/validation/AbstractMyDslJavaValidator.java
new file mode 100644
index 0000000..7a1bb29
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src-gen/org/xtext/example/mydsl/validation/AbstractMyDslJavaValidator.java
@@ -0,0 +1,18 @@
+package org.xtext.example.mydsl.validation;
+ 
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.xtext.validation.AbstractDeclarativeValidator;
+
+public class AbstractMyDslJavaValidator extends AbstractDeclarativeValidator {
+
+	@Override
+	protected List<EPackage> getEPackages() {
+	    List<EPackage> result = new ArrayList<EPackage>();
+	    result.add(org.xtext.example.mydsl.myDsl.MyDslPackage.eINSTANCE);
+		return result;
+	}
+
+}
diff --git a/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/GenerateMyDsl.mwe2 b/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/GenerateMyDsl.mwe2
new file mode 100644
index 0000000..9a6c883
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/GenerateMyDsl.mwe2
@@ -0,0 +1,139 @@
+module org.xtext.example.mydsl.GenerateMyDsl
+
+import org.eclipse.emf.mwe.utils.*
+import org.eclipse.xtext.generator.*
+import org.eclipse.xtext.ui.generator.*
+
+var grammarURI = "classpath:/org/xtext/example/mydsl/MyDsl.xtext"
+var file.extensions = "mydsl"
+var projectName = "org.xtext.example.mydsl"
+var runtimeProject = "../${projectName}"
+
+Workflow {
+    bean = StandaloneSetup {
+            scanClassPath = true
+            platformUri = "${runtimeProject}/.."
+            // The following two lines can be removed, if Xbase is not used.
+            registerGeneratedEPackage = "org.eclipse.xtext.xbase.XbasePackage"
+            registerGenModelFile = "platform:/resource/org.eclipse.xtext.xbase/model/Xbase.genmodel"
+        }
+    
+        component = DirectoryCleaner {
+            directory = "${runtimeProject}/src-gen"
+        }
+    
+        component = DirectoryCleaner {
+            directory = "${runtimeProject}.ui/src-gen"
+        }
+    
+        component = Generator {
+            pathRtProject = runtimeProject
+            pathUiProject = "${runtimeProject}.ui"
+            pathTestProject = "${runtimeProject}.tests"
+            projectNameRt = projectName
+            projectNameUi = "${projectName}.ui"
+            language = {
+                uri = grammarURI
+                fileExtensions = file.extensions
+    
+                // Java API to access grammar elements (required by several other fragments)
+                fragment = grammarAccess.GrammarAccessFragment {}
+    
+                // generates Java API for the generated EPackages
+                fragment = ecore.EcoreGeneratorFragment {
+                // referencedGenModels = "
+                //  platform:/resource/org.eclipse.xtext.xbase/model/Xbase.genmodel,
+                //  platform:/resource/org.eclipse.xtext.common.types/model/JavaVMTypes.genmodel
+                // "
+                }
+    
+                // Serializer 2.0
+                fragment = serializer.SerializerFragment {
+                	generateStub = false
+                }
+                
+                // the serialization component (1.0)
+                // fragment = parseTreeConstructor.ParseTreeConstructorFragment {}
+    
+                // a custom ResourceFactory for use with EMF
+                fragment = resourceFactory.ResourceFactoryFragment {
+                    fileExtensions = file.extensions
+                }
+    
+                // The antlr parser generator fragment.
+                fragment = parser.antlr.XtextAntlrGeneratorFragment {
+                //  options = {
+                //      backtrack = true
+                //  }
+                }
+    
+                // java-based API for validation
+                fragment = validation.JavaValidatorFragment {
+                //    composedCheck = "org.eclipse.xtext.validation.ImportUriValidator"
+                //    composedCheck = "org.eclipse.xtext.validation.NamesAreUniqueValidator"
+                }
+    
+                // scoping and exporting API
+                // fragment = scoping.ImportURIScopingFragment {}
+                // fragment = exporting.SimpleNamesFragment {}
+    
+                // scoping and exporting API
+                fragment = scoping.ImportNamespacesScopingFragment {}
+                fragment = exporting.QualifiedNamesFragment {}
+                fragment = builder.BuilderIntegrationFragment {}
+    
+                // generator API
+                fragment = generator.GeneratorFragment {
+                    generateMwe = false
+                    generateJavaMain = false
+                }
+    
+                // formatter API
+                fragment = formatting.FormatterFragment {}
+    
+                // labeling API
+                fragment = labeling.LabelProviderFragment {}
+    
+                // outline API
+                fragment = outline.OutlineTreeProviderFragment {}
+                fragment = outline.QuickOutlineFragment {}
+    
+                // quickfix API
+                fragment = quickfix.QuickfixProviderFragment {}
+    
+                // content assist API
+                fragment = contentAssist.JavaBasedContentAssistFragment {}
+    
+                // generates a more lightweight Antlr parser and lexer tailored for content assist
+                fragment = parser.antlr.XtextAntlrUiGeneratorFragment {}
+    
+                // generates junit test support classes into Generator#pathTestProject
+                fragment = junit.Junit4Fragment {}
+    
+                // project wizard (optional)
+                // fragment = projectWizard.SimpleProjectWizardFragment {
+                //      generatorProjectName = "${projectName}"
+                //      modelFileExtension = file.extensions
+                // }
+    
+                // rename refactoring
+                fragment = refactoring.RefactorElementNameFragment {}
+    
+                // provides the necessary bindings for java types integration
+                fragment = types.TypesGeneratorFragment {}
+    
+                // generates the required bindings only if the grammar inherits from Xbase
+                fragment = xbase.XbaseGeneratorFragment {}
+    
+                // provides a preference page for template proposals
+                fragment = templates.CodetemplatesGeneratorFragment {}
+    
+                // provides a compare view
+                fragment = compare.CompareFragment {
+                     fileExtensions = file.extensions
+                }
+    
+            }
+        }
+}
+
diff --git a/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/MyDsl.xtext b/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/MyDsl.xtext
new file mode 100644
index 0000000..046e930
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/MyDsl.xtext
@@ -0,0 +1,9 @@
+grammar org.xtext.example.mydsl.MyDsl with org.eclipse.xtext.common.Terminals
+
+generate myDsl "http://www.xtext.org/example/mydsl/MyDsl"
+
+Model:
+	greetings+=Greeting*;
+	
+Greeting:
+	'Hello' name=ID '!';
diff --git a/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/MyDslRuntimeModule.java b/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/MyDslRuntimeModule.java
new file mode 100644
index 0000000..3867acb
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/MyDslRuntimeModule.java
@@ -0,0 +1,11 @@
+/*
+ * generated by Xtext
+ */
+package org.xtext.example.mydsl;
+
+/**
+ * Use this class to register components to be used at runtime / without the Equinox extension registry.
+ */
+public class MyDslRuntimeModule extends org.xtext.example.mydsl.AbstractMyDslRuntimeModule {
+
+}
diff --git a/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/MyDslStandaloneSetup.java b/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/MyDslStandaloneSetup.java
new file mode 100644
index 0000000..864cb5b
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/MyDslStandaloneSetup.java
@@ -0,0 +1,14 @@
+
+package org.xtext.example.mydsl;
+
+/**
+ * Initialization support for running Xtext languages 
+ * without equinox extension registry
+ */
+public class MyDslStandaloneSetup extends MyDslStandaloneSetupGenerated{
+
+	public static void doSetup() {
+		new MyDslStandaloneSetup().createInjectorAndDoEMFRegistration();
+	}
+}
+
diff --git a/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/formatting/MyDslFormatter.java b/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/formatting/MyDslFormatter.java
new file mode 100644
index 0000000..5f74094
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/formatting/MyDslFormatter.java
@@ -0,0 +1,27 @@
+/*
+ * generated by Xtext
+ */
+package org.xtext.example.mydsl.formatting;
+
+import org.eclipse.xtext.formatting.impl.AbstractDeclarativeFormatter;
+import org.eclipse.xtext.formatting.impl.FormattingConfig;
+
+/**
+ * This class contains custom formatting description.
+ * 
+ * see : http://www.eclipse.org/Xtext/documentation/latest/xtext.html#formatting
+ * on how and when to use it 
+ * 
+ * Also see {@link org.eclipse.xtext.xtext.XtextFormattingTokenSerializer} as an example
+ */
+public class MyDslFormatter extends AbstractDeclarativeFormatter {
+	
+	@Override
+	protected void configureFormatting(FormattingConfig c) {
+// It's usually a good idea to activate the following three statements.
+// They will add and preserve newlines around comments
+//		c.setLinewrap(0, 1, 2).before(getGrammarAccess().getSL_COMMENTRule());
+//		c.setLinewrap(0, 1, 2).before(getGrammarAccess().getML_COMMENTRule());
+//		c.setLinewrap(0, 1, 1).after(getGrammarAccess().getML_COMMENTRule());
+	}
+}
diff --git a/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/generator/MyDslGenerator.xtend b/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/generator/MyDslGenerator.xtend
new file mode 100644
index 0000000..b8abd8f
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/generator/MyDslGenerator.xtend
@@ -0,0 +1,15 @@
+/*
+ * generated by Xtext
+ */
+package org.xtext.example.mydsl.generator
+
+import org.eclipse.emf.ecore.resource.Resource
+import org.eclipse.xtext.generator.IGenerator
+import org.eclipse.xtext.generator.IFileSystemAccess
+
+class MyDslGenerator implements IGenerator {
+	
+	override void doGenerate(Resource resource, IFileSystemAccess fsa) {
+		//TODO implement me
+	}
+}
diff --git a/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/scoping/MyDslScopeProvider.java b/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/scoping/MyDslScopeProvider.java
new file mode 100644
index 0000000..af5c509
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/scoping/MyDslScopeProvider.java
@@ -0,0 +1,17 @@
+/*
+ * generated by Xtext
+ */
+package org.xtext.example.mydsl.scoping;
+
+import org.eclipse.xtext.scoping.impl.AbstractDeclarativeScopeProvider;
+
+/**
+ * This class contains custom scoping description.
+ * 
+ * see : http://www.eclipse.org/Xtext/documentation/latest/xtext.html#scoping
+ * on how and when to use it 
+ *
+ */
+public class MyDslScopeProvider extends AbstractDeclarativeScopeProvider {
+
+}
diff --git a/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/validation/MyDslJavaValidator.java b/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/validation/MyDslJavaValidator.java
new file mode 100644
index 0000000..ea0ab44
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/src/org/xtext/example/mydsl/validation/MyDslJavaValidator.java
@@ -0,0 +1,13 @@
+package org.xtext.example.mydsl.validation;
+ 
+
+public class MyDslJavaValidator extends AbstractMyDslJavaValidator {
+
+//	@Check
+//	public void checkGreetingStartsWithCapital(Greeting greeting) {
+//		if (!Character.isUpperCase(greeting.getName().charAt(0))) {
+//			warning("Name should start with a capital", MyDslPackage.Literals.GREETING__NAME);
+//		}
+//	}
+
+}
diff --git a/examples/plugins/org.xtext.example.mydsl/xtend-gen/org/xtext/example/mydsl/generator/MyDslGenerator.java b/examples/plugins/org.xtext.example.mydsl/xtend-gen/org/xtext/example/mydsl/generator/MyDslGenerator.java
new file mode 100644
index 0000000..ba71c71
--- /dev/null
+++ b/examples/plugins/org.xtext.example.mydsl/xtend-gen/org/xtext/example/mydsl/generator/MyDslGenerator.java
@@ -0,0 +1,11 @@
+package org.xtext.example.mydsl.generator;
+
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.xtext.generator.IFileSystemAccess;
+import org.eclipse.xtext.generator.IGenerator;
+
+@SuppressWarnings("all")
+public class MyDslGenerator implements IGenerator {
+  public void doGenerate(final Resource resource, final IFileSystemAccess fsa) {
+  }
+}
diff --git a/plugins/org.eclipse.bpel.ui.xtext/.classpath b/plugins/org.eclipse.bpel.ui.xtext/.classpath
new file mode 100644
index 0000000..ad32c83
--- /dev/null
+++ b/plugins/org.eclipse.bpel.ui.xtext/.classpath
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git a/plugins/org.eclipse.bpel.ui.xtext/.project b/plugins/org.eclipse.bpel.ui.xtext/.project
new file mode 100644
index 0000000..0eb73ee
--- /dev/null
+++ b/plugins/org.eclipse.bpel.ui.xtext/.project
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>org.eclipse.bpel.ui.xtext</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ManifestBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.SchemaBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.pde.PluginNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>
diff --git a/plugins/org.eclipse.bpel.ui.xtext/META-INF/MANIFEST.MF b/plugins/org.eclipse.bpel.ui.xtext/META-INF/MANIFEST.MF
new file mode 100644
index 0000000..2741ad1
--- /dev/null
+++ b/plugins/org.eclipse.bpel.ui.xtext/META-INF/MANIFEST.MF
@@ -0,0 +1,17 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: Xtext Embeddable Editor in Bpel Designer
+Bundle-SymbolicName: org.eclipse.bpel.ui.xtext
+Bundle-Version: 1.0.0.qualifier
+Bundle-Activator: org.eclipse.bpel.ui.xtext.Activator
+Require-Bundle: org.eclipse.core.runtime,
+ org.eclipse.xtext.ui;bundle-version="2.3.0";visibility:=reexport,
+ org.eclipse.bpel.ui;bundle-version="1.0.1";visibility:=reexport,
+ org.eclipse.bpel.model;bundle-version="1.0.1";visibility:=reexport,
+ org.eclipse.ui.views.properties.tabbed;bundle-version="3.5.300";visibility:=reexport,
+ org.eclipse.gef;visibility:=reexport,
+ org.eclipse.bpel.common.ui;bundle-version="1.0.1";visibility:=reexport
+Bundle-ActivationPolicy: lazy
+Bundle-RequiredExecutionEnvironment: JavaSE-1.6
+Export-Package: org.eclipse.bpel.ui.properties.xtext
+Bundle-Vendor: Lorenzo Bettini
diff --git a/plugins/org.eclipse.bpel.ui.xtext/build.properties b/plugins/org.eclipse.bpel.ui.xtext/build.properties
new file mode 100644
index 0000000..34d2e4d
--- /dev/null
+++ b/plugins/org.eclipse.bpel.ui.xtext/build.properties
@@ -0,0 +1,4 @@
+source.. = src/
+output.. = bin/
+bin.includes = META-INF/,\
+               .
diff --git a/plugins/org.eclipse.bpel.ui.xtext/src/org/eclipse/bpel/ui/properties/xtext/AbstractXtextExpressionAssignCategory.java b/plugins/org.eclipse.bpel.ui.xtext/src/org/eclipse/bpel/ui/properties/xtext/AbstractXtextExpressionAssignCategory.java
new file mode 100644
index 0000000..a58c811
--- /dev/null
+++ b/plugins/org.eclipse.bpel.ui.xtext/src/org/eclipse/bpel/ui/properties/xtext/AbstractXtextExpressionAssignCategory.java
@@ -0,0 +1,74 @@
+package org.eclipse.bpel.ui.properties.xtext;
+
+import org.eclipse.bpel.ui.properties.AbstractExpressionAssignCategory;
+import org.eclipse.bpel.ui.properties.IAssignCategory;
+import org.eclipse.jface.text.source.ISourceViewer;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.custom.StyledText;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.xtext.ui.editor.XtextSourceViewer;
+import org.eclipse.xtext.ui.editor.embedded.EmbeddedEditor;
+
+import com.google.inject.Injector;
+
+/**
+ * An {@link IAssignCategory} specialized to provide a StyledText configured for
+ * an Xtext DSL, relying on {@link EmbeddedEditor} which is NOT an editor, but
+ * provides a {@link XtextSourceViewer}.
+ * 
+ * @author Lorenzo Bettini
+ * 
+ */
+@SuppressWarnings("restriction")
+public abstract class AbstractXtextExpressionAssignCategory extends
+		AbstractExpressionAssignCategory implements IAssignCategory {
+
+	/**
+	 * @param styledTextComposite
+	 *            the Composite for the StyledText
+	 * @return the created and configured StyledText based on an
+	 *         {@link EmbeddedEditor}
+	 */
+	protected StyledText createStyledText(Composite styledTextComposite) {
+		Composite editor = getWidgetFactory().createComposite(this.fEditorArea,
+				SWT.BORDER);
+		editor.setLayout(new GridLayout());
+
+		GridData layoutData = new GridData(GridData.FILL_BOTH);
+		editor.setLayoutData(layoutData);
+
+		EmbeddedEditor embeddedEditor = getInjector().getInstance(
+				XtextEmbeddedEditorProvider.class).getXtextEmbeddedEditor(
+				editor);
+		final ISourceViewer viewer = embeddedEditor.getViewer();
+		StyledText textWidget = viewer.getTextWidget();
+		// textWidget.setLayoutData(new GridData(GridData.FILL_BOTH));
+
+		return textWidget;
+	}
+
+	/**
+	 * This must redefined so to return the {@link Injector} for your own Xtext
+	 * DSL.
+	 * 
+	 * You can get the injector from the Activator generated by Xtext for your
+	 * DSL in the ui plugin, for instance
+	 * 
+	 * <pre>
+	 * org.xtext.example.mydsl.ui.internal.MyDslActivator.getInstance().getInjector(
+	 * 		MyDslActivator.ORG_XTEXT_EXAMPLE_MYDSL_MYDSL);
+	 * </pre>
+	 * 
+	 * @return
+	 */
+	public abstract Injector getInjector();
+
+	/**
+	 * A string to identify your DSL.
+	 * 
+	 * @see org.eclipse.bpel.ui.properties.AbstractExpressionAssignCategory#getExpressionLanguage()
+	 */
+	public abstract String getExpressionLanguage();
+}
diff --git a/plugins/org.eclipse.bpel.ui.xtext/src/org/eclipse/bpel/ui/properties/xtext/XtextEmbeddedEditorProvider.java b/plugins/org.eclipse.bpel.ui.xtext/src/org/eclipse/bpel/ui/properties/xtext/XtextEmbeddedEditorProvider.java
new file mode 100644
index 0000000..3cbabd0
--- /dev/null
+++ b/plugins/org.eclipse.bpel.ui.xtext/src/org/eclipse/bpel/ui/properties/xtext/XtextEmbeddedEditorProvider.java
@@ -0,0 +1,81 @@
+package org.eclipse.bpel.ui.properties.xtext;
+
+import org.eclipse.emf.common.util.URI;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.ecore.resource.ResourceSet;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.xtext.Constants;
+import org.eclipse.xtext.resource.XtextResource;
+import org.eclipse.xtext.resource.XtextResourceFactory;
+import org.eclipse.xtext.resource.XtextResourceSet;
+import org.eclipse.xtext.ui.editor.embedded.EmbeddedEditor;
+import org.eclipse.xtext.ui.editor.embedded.EmbeddedEditorFactory;
+import org.eclipse.xtext.ui.editor.embedded.IEditedResourceProvider;
+
+import com.google.inject.Inject;
+import com.google.inject.Injector;
+import com.google.inject.Provider;
+import com.google.inject.name.Named;
+
+/**
+ * The provider for creating the Xtext {@link EmbeddedEditor}, this class must
+ * be instantiated through an {@link Injector}.
+ * 
+ * @author Lorenzo Bettini
+ *
+ */
+@SuppressWarnings("restriction")
+public class XtextEmbeddedEditorProvider {
+
+	@Inject
+	protected EmbeddedEditorFactory editorFactory;
+
+	@Inject
+	private Provider<XtextResourceSet> resourceSetProvider;
+
+	@Inject
+	private XtextResourceFactory resourceFactory;
+
+	@Inject
+	@Named(Constants.FILE_EXTENSIONS)
+	public String fileExtension;
+
+	/**
+	 * The constructor.
+	 */
+	public XtextEmbeddedEditorProvider() {
+	}
+
+	public EmbeddedEditor getXtextEmbeddedEditor(Composite parent) {
+		IEditedResourceProvider resourceProvider = new IEditedResourceProvider() {
+
+			@Override
+			public XtextResource createResource() {
+				XtextResourceSet xtextResourceSet = resourceSetProvider.get();
+				Resource resource = resourceFactory
+						.createResource(computeUnusedUri(xtextResourceSet));
+				xtextResourceSet.getResources().add(resource);
+				return (XtextResource) resource;
+			}
+
+			protected URI computeUnusedUri(ResourceSet resourceSet) {
+				String name = "__synthetic";
+				for (int i = 0; i < Integer.MAX_VALUE; i++) {
+					URI syntheticUri = URI.createURI(name + i + "."
+							+ fileExtension);
+					if (resourceSet.getResource(syntheticUri, false) == null)
+						return syntheticUri;
+				}
+				throw new IllegalStateException();
+			}
+		};
+
+		EmbeddedEditor editor = editorFactory.newEditor(resourceProvider)
+				.showErrorAndWarningAnnotations().withParent(parent);
+
+		editor.createPartialEditor(true);
+
+		return editor;
+	}
+
+}
\ No newline at end of file
diff --git a/plugins/org.eclipse.bpel.ui.xtext/src/org/eclipse/bpel/ui/xtext/Activator.java b/plugins/org.eclipse.bpel.ui.xtext/src/org/eclipse/bpel/ui/xtext/Activator.java
new file mode 100644
index 0000000..a1ba176
--- /dev/null
+++ b/plugins/org.eclipse.bpel.ui.xtext/src/org/eclipse/bpel/ui/xtext/Activator.java
@@ -0,0 +1,30 @@
+package org.eclipse.bpel.ui.xtext;
+
+import org.osgi.framework.BundleActivator;
+import org.osgi.framework.BundleContext;
+
+public class Activator implements BundleActivator {
+
+	private static BundleContext context;
+
+	static BundleContext getContext() {
+		return context;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see org.osgi.framework.BundleActivator#start(org.osgi.framework.BundleContext)
+	 */
+	public void start(BundleContext bundleContext) throws Exception {
+		Activator.context = bundleContext;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see org.osgi.framework.BundleActivator#stop(org.osgi.framework.BundleContext)
+	 */
+	public void stop(BundleContext bundleContext) throws Exception {
+		Activator.context = null;
+	}
+
+}