org.eclipse.jdt.debug/eval/org/eclipse/jdt/internal/debug/eval/ast/engine/BinaryBasedSourceGenerator.java - jdt/eclipse.jdt.debug - Git at Google

 package org.eclipse.jdt.internal.debug.eval.ast.engine;

 /*
  * (c) Copyright IBM Corp. 2002.
  * All Rights Reserved.
  */

 import java.util.Iterator;
 import java.util.List;

 import org.eclipse.debug.core.DebugException;
 import org.eclipse.jdt.core.Flags;
 import org.eclipse.jdt.internal.debug.core.model.JDIClassType;
 import org.eclipse.jdt.internal.debug.core.model.JDIObjectValue;
 import org.eclipse.jdt.internal.debug.core.model.JDIStackFrame;

 import com.sun.jdi.ClassNotPreparedException;
 import com.sun.jdi.ClassType;
 import com.sun.jdi.Field;
 import com.sun.jdi.InterfaceType;
 import com.sun.jdi.Method;
 import com.sun.jdi.ObjectReference;
 import com.sun.jdi.ReferenceType;
 import com.sun.jdi.Type;

 public class BinaryBasedSourceGenerator {

 	private static final String RUN_METHOD_NAME= "___run"; //$NON-NLS-1$
 	private static final String EVAL_METHOD_NAME= "___eval"; //$NON-NLS-1$
 	private static final String ANONYMOUS_CLASS_NAME= "___EvalClass"; //$NON-NLS-1$


 	private String[] fLocalVariableTypeNames;

 	private String[] fLocalVariableNames;

 	private boolean fIsInStaticMethod;

 	private StringBuffer fSource;

 	private int fRunMethodStartOffset;
 	private int fRunMethodLength;
 	private int fCodeSnippetPosition;

 	private String fCompilationUnitName;

 	public BinaryBasedSourceGenerator(String[] localTypesNames, String[] localVariables, boolean isInStaticMethod) throws DebugException {
 		fLocalVariableTypeNames= localTypesNames;
 		fLocalVariableNames= localVariables;
 		fIsInStaticMethod= isInStaticMethod;
 	}

 	/**
 	 * Build source for an object value (instance context)
 	 */
 	public void buildSource(JDIObjectValue object) {
 		ObjectReference reference= object.getUnderlyingObject();
 		fSource= buildTypeDeclaration(reference, buildRunMethod(reference.referenceType()), null);
 	}

 	/**
 	 * Build source for a class type (static context)
 	 */
 	public void buildSource(JDIClassType type) {
 		Type underlyingType= type.getUnderlyingType();
 		if (!(underlyingType instanceof ReferenceType)) {
 			return;
 		}
 		ReferenceType refType= (ReferenceType)underlyingType;
 		fSource= buildTypeDeclaration(refType, buildRunMethod(refType), null, false);
 		String packageName = getPackageName(refType.name());
 		if (packageName != null) {
 			fSource.insert(0, "package " + packageName + ";\n"); //$NON-NLS-1$ //$NON-NLS-2$
 			fCodeSnippetPosition += 10 + packageName.length();
 		}
 		fCompilationUnitName= getSimpleName(refType.name());
 	}

 	protected String getUniqueMethodName(String methodName, ReferenceType type) {
 		List methods= type.methodsByName(methodName);
 		while (!methods.isEmpty()) {
 			methodName += '_';
 			methods= type.methodsByName(methodName);
 		}
 		return methodName;
 	}

 	private StringBuffer buildRunMethod(ReferenceType type) {
 		StringBuffer source = new StringBuffer();

 		if (isInStaticMethod()) {
 			source.append("static "); //$NON-NLS-1$
 		}

 		source.append("void "); //$NON-NLS-1$
 		source.append(getUniqueMethodName(RUN_METHOD_NAME, type));
 		source.append('(');
 		for(int i= 0, length= fLocalVariableNames.length; i < length; i++) {
 			source.append(getDotName(fLocalVariableTypeNames[i]));
 			source.append(' ');
 			source.append(fLocalVariableNames[i]);
 			if (i + 1 < length)
 				source.append(", "); //$NON-NLS-1$
 		}
 		source.append(") throws Throwable {"); //$NON-NLS-1$
 		source.append('\n');
 		fCodeSnippetPosition= source.length();
 		fRunMethodStartOffset= fCodeSnippetPosition;

 		source.append('\n');
 		source.append('}').append('\n');
 		fRunMethodLength= source.length();
 		return source;
 	}

 	private StringBuffer buildTypeDeclaration(ObjectReference object, StringBuffer buffer, String nestedTypeName) {

 		ReferenceType referenceType = object.referenceType();

 		Field thisField= null;

 		List fields= referenceType.visibleFields();
 		for (Iterator iterator= fields.iterator(); iterator.hasNext();) {
 			Field field= (Field) iterator.next();
 			if (field.name().startsWith("this$")) { //$NON-NLS-1$
 				thisField = field;
 				break;
 			}
 		}

 		StringBuffer source = buildTypeDeclaration(referenceType, buffer, nestedTypeName, thisField != null);

 		if (thisField == null) {
 			String packageName = getPackageName(referenceType.name());
 			if (packageName != null) {
 				source.insert(0, "package " + packageName + ";\n"); //$NON-NLS-1$ //$NON-NLS-2$
 				fCodeSnippetPosition += 10 + packageName.length();
 			}
 			if (isAnonymousTypeName(referenceType.name())) {
 				fCompilationUnitName= ANONYMOUS_CLASS_NAME;
 			} else {
 				fCompilationUnitName= getSimpleName(referenceType.name());
 			}
 		} else {
 			ObjectReference thisObject= (ObjectReference)object.getValue(thisField);
 			return buildTypeDeclaration(thisObject, source, referenceType.name());
 		}

 		return source;
 	}

 	private StringBuffer buildTypeDeclaration(ReferenceType referenceType, StringBuffer buffer, String nestedTypeName, boolean hasEnclosingInstance) {
 		StringBuffer source= new StringBuffer();

 		String typeName= referenceType.name();

 		boolean isAnonymousType= isAnonymousTypeName(typeName);

 		if (isAnonymousType) {
 			ClassType classType= (ClassType) referenceType;

 			List interfaceList= classType.interfaces();
 			String superClassName= classType.superclass().name();
 			if (hasEnclosingInstance) {
 				source.append("void "); //$NON-NLS-1$
 				source.append(getUniqueMethodName(EVAL_METHOD_NAME, referenceType));
 				source.append("() {\nnew "); //$NON-NLS-1$
 				if (interfaceList.size() != 0) {
 					source.append(getDotName(((InterfaceType)interfaceList.get(0)).name()));
 				} else {
 					source.append(getDotName(superClassName));
 				}
 				source.append("()"); //$NON-NLS-1$
 			} else {
 				source.append("public class ").append(ANONYMOUS_CLASS_NAME).append(" "); //$NON-NLS-1$ //$NON-NLS-2$
 				if (interfaceList.size() != 0) {
 					source.append(" implements ").append(getDotName(((InterfaceType)interfaceList.get(0)).name())); //$NON-NLS-1$
 				} else {
 					source.append(" implements ").append(getDotName(superClassName)); //$NON-NLS-1$
 				}
 			}

 		} else {
 			if (referenceType.isFinal()) {
 				source.append("final "); //$NON-NLS-1$
 			}

 			if (referenceType.isStatic()) {
 				source.append("static "); //$NON-NLS-1$
 			}

 			if (referenceType instanceof ClassType) {
 				ClassType classType= (ClassType) referenceType;

 				if (classType.isAbstract()) {
 					source.append("abstract "); //$NON-NLS-1$
 				}

 				source.append("class "); //$NON-NLS-1$

 				source.append(getSimpleName(typeName)).append(' ');

 				ClassType superClass= classType.superclass();
 				if (superClass != null) {
 					source.append("extends ").append(getDotName(superClass.name())).append(' '); //$NON-NLS-1$
 				}

 				List interfaces;
 				try {
 					interfaces= classType.interfaces();
 				} catch (ClassNotPreparedException e) {
 					return new StringBuffer();
 				}
 				if (interfaces.size() != 0) {
 					source.append("implements "); //$NON-NLS-1$
 					Iterator iterator= interfaces.iterator();
 					InterfaceType interface_= (InterfaceType)iterator.next();
 					source.append(getDotName(interface_.name()));
 					while (iterator.hasNext()) {
 						source.append(',').append(getDotName(((InterfaceType)iterator.next()).name()));
 					}
 				}
 			} else if (referenceType instanceof InterfaceType) {
 				InterfaceType interfaceType= (InterfaceType) referenceType;

 				source.append("interface "); //$NON-NLS-1$

 				source.append(getSimpleName(typeName)).append(' ');

 				List interfaces;
 				try {
 					interfaces= interfaceType.superinterfaces();
 				} catch (ClassNotPreparedException e) {
 					return new StringBuffer();
 				}
 				if (interfaces.size() != 0) {
 					source.append("extends "); //$NON-NLS-1$
 					Iterator iterator= interfaces.iterator();
 					InterfaceType interface_= (InterfaceType)iterator.next();
 					source.append(getDotName(interface_.name()));
 					while (iterator.hasNext()) {
 						source.append(',').append(getDotName(((InterfaceType)iterator.next()).name()));
 					}
 				}

 			}
 		}

 		source.append(" {\n"); //$NON-NLS-1$

 		if (buffer != null) {
 			fCodeSnippetPosition += source.length();
 			source.append(buffer);
 		}

 		List fields= referenceType.fields();
 		for (Iterator iterator= fields.iterator(); iterator.hasNext();) {
 			Field field= (Field) iterator.next();
 			if (!field.name().startsWith("this$")) { //$NON-NLS-1$
 				source.append(buildFieldDeclaration(field));
 			}
 		}

 		List methods= referenceType.methods();
 		for (Iterator iterator = methods.iterator(); iterator.hasNext();) {
 			Method method= (Method) iterator.next();
 			if (!method.isConstructor() && !method.isStaticInitializer()) {
 				source.append(buildMethodDeclaration(method));
 			}
 		}

 		List nestedTypes= referenceType.nestedTypes();
 		if (nestedTypeName == null) {
 			for (Iterator iterator = nestedTypes.iterator(); iterator.hasNext();) {
 				ReferenceType nestedType= (ReferenceType) iterator.next();
 				if (isADirectInnerType(typeName, nestedType.name())) {
 					source.append(buildTypeDeclaration(nestedType, null, null, true));
 				}
 			}
 		} else {
 			for (Iterator iterator = nestedTypes.iterator(); iterator.hasNext();) {
 				ReferenceType nestedType= (ReferenceType) iterator.next();
 				if (!nestedTypeName.equals(nestedType.name()) && isADirectInnerType(typeName, nestedType.name())) {
 					source.append(buildTypeDeclaration(nestedType, null, null, true));
 				}
 			}
 		}

 		if (isAnonymousType & hasEnclosingInstance) {
 			source.append("};\n"); //$NON-NLS-1$
 		}

 		source.append("}\n"); //$NON-NLS-1$

 		return source;
 	}

 	private StringBuffer buildFieldDeclaration(Field field) {
 		StringBuffer source = new StringBuffer();

 		if (field.isFinal()) {
 			source.append("final "); //$NON-NLS-1$
 		}

 		if (field.isStatic()) {
 			source.append("static "); //$NON-NLS-1$
 		}

 		if (field.isPublic()) {
 			source.append("public "); //$NON-NLS-1$
 		} else if (field.isPrivate()) {
 			source.append("private "); //$NON-NLS-1$
 		} else if (field.isProtected()) {
 			source.append("protected "); //$NON-NLS-1$
 		}

 		source.append(getDotName(field.typeName())).append(' ').append(field.name()).append(';').append('\n');

 		return source;
 	}

 	private StringBuffer buildMethodDeclaration(Method method) {
 		StringBuffer source= new StringBuffer();

 		if (method.isFinal()) {
 			source.append("final "); //$NON-NLS-1$
 		}

 		if (method.isStatic()) {
 			source.append("static "); //$NON-NLS-1$
 		}

 		if (method.isNative()) {
 			source.append("native "); //$NON-NLS-1$
 		} else if (method.isAbstract()) {
 			source.append("abstract "); //$NON-NLS-1$
 		}

 		if (method.isPublic()) {
 			source.append("public "); //$NON-NLS-1$
 		} else if (method.isPrivate()) {
 			source.append("private "); //$NON-NLS-1$
 		} else if (method.isProtected()) {
 			source.append("protected "); //$NON-NLS-1$
 		}

 		source.append(getDotName(method.returnTypeName())).append(' ').append(method.name()).append('(');

 		List arguments= method.argumentTypeNames();
 		int i= 0;
 		if (arguments.size() != 0) {
 			Iterator iterator= arguments.iterator();
 			source.append(getDotName((String) iterator.next())).append(" arg").append(i++); //$NON-NLS-1$
 			while (iterator.hasNext()) {
 				source.append(',').append(getDotName((String) iterator.next())).append(" arg").append(i++); //$NON-NLS-1$
 			}
 		}
 		source.append(')');

 		if (method.isAbstract() || method.isNative()) {
 			// No body for abstract and native methods
 			source.append(";\n"); //$NON-NLS-1$
 		} else {
 			source.append('{').append('\n');
 			source.append(getReturnStatement(method.returnTypeName()));
 			source.append('}').append('\n');
 		}

 		return source;
 	}

 	private String getReturnStatement(String returnTypeName) {
 		String typeName= getSimpleName(returnTypeName);
 		if (typeName.charAt(typeName.length() - 1) == ']') {
 			return "return null;\n"; //$NON-NLS-1$
 		}
 		switch (typeName.charAt(0)) {
 			case 'v':
 				return ""; //$NON-NLS-1$
 			case 'b':
 				if (typeName.charAt(1) == 'o') {
 					return "return false;\n"; //$NON-NLS-1$
 				}
 			case 's':
 			case 'c':
 			case 'i':
 			case 'l':
 			case 'd':
 			case 'f':
 				return "return 0;\n"; //$NON-NLS-1$
 			default:
 				return "return null;\n"; //$NON-NLS-1$
 		}
 	}

 	private String getDotName(String typeName) {
 		return typeName.replace('$', '.');
 	}

 	private boolean isAnonymousTypeName(String typeName) {
 		char char0 = getSimpleName(typeName).charAt(0);
 		return '0' <= char0 && char0 <= '9';
 	}

 	private String getSimpleName(String qualifiedName) {
 		int pos = qualifiedName.lastIndexOf('$');
 		if (pos == -1) {
 			pos = qualifiedName.lastIndexOf('.');
 		}
 		return ((pos == -1)? qualifiedName : qualifiedName.substring(pos + 1));
 	}

 	private String getPackageName(String qualifiedName) {
 		int pos = qualifiedName.lastIndexOf('.');
 		return ((pos == -1)? null : qualifiedName.substring(0, pos));
 	}

 	private boolean isADirectInnerType(String typeName, String nestedTypeName) {
 		String end= nestedTypeName.substring(typeName.length() + 1);
 		return end.indexOf('$') == -1;
 	}

 	private boolean isInStaticMethod() {
 		return fIsInStaticMethod;
 	}

 	public StringBuffer getSource() {
 		return fSource;
 	}

 	public int getCodeSnippetPosition() {
 		return fCodeSnippetPosition;
 	}

 	public String getCompilationUnitName() {
 		return fCompilationUnitName;
 	}

 	public int getSnippetStart() {
 		return fCodeSnippetPosition - 2;
 	}

 	public int getRunMethodStart() {
 		return fCodeSnippetPosition - fRunMethodStartOffset;
 	}

 	public int getRunMethodLength() {
 		return fRunMethodLength;
 	}

 }
	package org.eclipse.jdt.internal.debug.eval.ast.engine;

	/*
	* (c) Copyright IBM Corp. 2002.
	* All Rights Reserved.
	*/

	import java.util.Iterator;
	import java.util.List;

	import org.eclipse.debug.core.DebugException;
	import org.eclipse.jdt.core.Flags;
	import org.eclipse.jdt.internal.debug.core.model.JDIClassType;
	import org.eclipse.jdt.internal.debug.core.model.JDIObjectValue;
	import org.eclipse.jdt.internal.debug.core.model.JDIStackFrame;

	import com.sun.jdi.ClassNotPreparedException;
	import com.sun.jdi.ClassType;
	import com.sun.jdi.Field;
	import com.sun.jdi.InterfaceType;
	import com.sun.jdi.Method;
	import com.sun.jdi.ObjectReference;
	import com.sun.jdi.ReferenceType;
	import com.sun.jdi.Type;

	public class BinaryBasedSourceGenerator {

	private static final String RUN_METHOD_NAME= "___run"; //$NON-NLS-1$
	private static final String EVAL_METHOD_NAME= "___eval"; //$NON-NLS-1$
	private static final String ANONYMOUS_CLASS_NAME= "___EvalClass"; //$NON-NLS-1$


	private String[] fLocalVariableTypeNames;

	private String[] fLocalVariableNames;

	private boolean fIsInStaticMethod;

	private StringBuffer fSource;

	private int fRunMethodStartOffset;
	private int fRunMethodLength;
	private int fCodeSnippetPosition;

	private String fCompilationUnitName;

	public BinaryBasedSourceGenerator(String[] localTypesNames, String[] localVariables, boolean isInStaticMethod) throws DebugException {
	fLocalVariableTypeNames= localTypesNames;
	fLocalVariableNames= localVariables;
	fIsInStaticMethod= isInStaticMethod;
	}

	/**
	* Build source for an object value (instance context)
	*/
	public void buildSource(JDIObjectValue object) {
	ObjectReference reference= object.getUnderlyingObject();
	fSource= buildTypeDeclaration(reference, buildRunMethod(reference.referenceType()), null);
	}

	/**
	* Build source for a class type (static context)
	*/
	public void buildSource(JDIClassType type) {
	Type underlyingType= type.getUnderlyingType();
	if (!(underlyingType instanceof ReferenceType)) {
	return;
	}
	ReferenceType refType= (ReferenceType)underlyingType;
	fSource= buildTypeDeclaration(refType, buildRunMethod(refType), null, false);
	String packageName = getPackageName(refType.name());
	if (packageName != null) {
	fSource.insert(0, "package " + packageName + ";\n"); //$NON-NLS-1$ //$NON-NLS-2$
	fCodeSnippetPosition += 10 + packageName.length();
	}
	fCompilationUnitName= getSimpleName(refType.name());
	}

	protected String getUniqueMethodName(String methodName, ReferenceType type) {
	List methods= type.methodsByName(methodName);
	while (!methods.isEmpty()) {
	methodName += '_';
	methods= type.methodsByName(methodName);
	}
	return methodName;
	}

	private StringBuffer buildRunMethod(ReferenceType type) {
	StringBuffer source = new StringBuffer();

	if (isInStaticMethod()) {
	source.append("static "); //$NON-NLS-1$
	}

	source.append("void "); //$NON-NLS-1$
	source.append(getUniqueMethodName(RUN_METHOD_NAME, type));
	source.append('(');
	for(int i= 0, length= fLocalVariableNames.length; i < length; i++) {
	source.append(getDotName(fLocalVariableTypeNames[i]));
	source.append(' ');
	source.append(fLocalVariableNames[i]);
	if (i + 1 < length)
	source.append(", "); //$NON-NLS-1$
	}
	source.append(") throws Throwable {"); //$NON-NLS-1$
	source.append('\n');
	fCodeSnippetPosition= source.length();
	fRunMethodStartOffset= fCodeSnippetPosition;

	source.append('\n');
	source.append('}').append('\n');
	fRunMethodLength= source.length();
	return source;
	}

	private StringBuffer buildTypeDeclaration(ObjectReference object, StringBuffer buffer, String nestedTypeName) {

	ReferenceType referenceType = object.referenceType();

	Field thisField= null;

	List fields= referenceType.visibleFields();
	for (Iterator iterator= fields.iterator(); iterator.hasNext();) {
	Field field= (Field) iterator.next();
	if (field.name().startsWith("this$")) { //$NON-NLS-1$
	thisField = field;
	break;
	}
	}

	StringBuffer source = buildTypeDeclaration(referenceType, buffer, nestedTypeName, thisField != null);

	if (thisField == null) {
	String packageName = getPackageName(referenceType.name());
	if (packageName != null) {
	source.insert(0, "package " + packageName + ";\n"); //$NON-NLS-1$ //$NON-NLS-2$
	fCodeSnippetPosition += 10 + packageName.length();
	}
	if (isAnonymousTypeName(referenceType.name())) {
	fCompilationUnitName= ANONYMOUS_CLASS_NAME;
	} else {
	fCompilationUnitName= getSimpleName(referenceType.name());
	}
	} else {
	ObjectReference thisObject= (ObjectReference)object.getValue(thisField);
	return buildTypeDeclaration(thisObject, source, referenceType.name());
	}

	return source;
	}

	private StringBuffer buildTypeDeclaration(ReferenceType referenceType, StringBuffer buffer, String nestedTypeName, boolean hasEnclosingInstance) {
	StringBuffer source= new StringBuffer();

	String typeName= referenceType.name();

	boolean isAnonymousType= isAnonymousTypeName(typeName);

	if (isAnonymousType) {
	ClassType classType= (ClassType) referenceType;

	List interfaceList= classType.interfaces();
	String superClassName= classType.superclass().name();
	if (hasEnclosingInstance) {
	source.append("void "); //$NON-NLS-1$
	source.append(getUniqueMethodName(EVAL_METHOD_NAME, referenceType));
	source.append("() {\nnew "); //$NON-NLS-1$
	if (interfaceList.size() != 0) {
	source.append(getDotName(((InterfaceType)interfaceList.get(0)).name()));
	} else {
	source.append(getDotName(superClassName));
	}
	source.append("()"); //$NON-NLS-1$
	} else {
	source.append("public class ").append(ANONYMOUS_CLASS_NAME).append(" "); //$NON-NLS-1$ //$NON-NLS-2$
	if (interfaceList.size() != 0) {
	source.append(" implements ").append(getDotName(((InterfaceType)interfaceList.get(0)).name())); //$NON-NLS-1$
	} else {
	source.append(" implements ").append(getDotName(superClassName)); //$NON-NLS-1$
	}
	}

	} else {
	if (referenceType.isFinal()) {
	source.append("final "); //$NON-NLS-1$
	}

	if (referenceType.isStatic()) {
	source.append("static "); //$NON-NLS-1$
	}

	if (referenceType instanceof ClassType) {
	ClassType classType= (ClassType) referenceType;

	if (classType.isAbstract()) {
	source.append("abstract "); //$NON-NLS-1$
	}

	source.append("class "); //$NON-NLS-1$

	source.append(getSimpleName(typeName)).append(' ');

	ClassType superClass= classType.superclass();
	if (superClass != null) {
	source.append("extends ").append(getDotName(superClass.name())).append(' '); //$NON-NLS-1$
	}

	List interfaces;
	try {
	interfaces= classType.interfaces();
	} catch (ClassNotPreparedException e) {
	return new StringBuffer();
	}
	if (interfaces.size() != 0) {
	source.append("implements "); //$NON-NLS-1$
	Iterator iterator= interfaces.iterator();
	InterfaceType interface_= (InterfaceType)iterator.next();
	source.append(getDotName(interface_.name()));
	while (iterator.hasNext()) {
	source.append(',').append(getDotName(((InterfaceType)iterator.next()).name()));
	}
	}
	} else if (referenceType instanceof InterfaceType) {
	InterfaceType interfaceType= (InterfaceType) referenceType;

	source.append("interface "); //$NON-NLS-1$

	source.append(getSimpleName(typeName)).append(' ');

	List interfaces;
	try {
	interfaces= interfaceType.superinterfaces();
	} catch (ClassNotPreparedException e) {
	return new StringBuffer();
	}
	if (interfaces.size() != 0) {
	source.append("extends "); //$NON-NLS-1$
	Iterator iterator= interfaces.iterator();
	InterfaceType interface_= (InterfaceType)iterator.next();
	source.append(getDotName(interface_.name()));
	while (iterator.hasNext()) {
	source.append(',').append(getDotName(((InterfaceType)iterator.next()).name()));
	}
	}

	}
	}

	source.append(" {\n"); //$NON-NLS-1$

	if (buffer != null) {
	fCodeSnippetPosition += source.length();
	source.append(buffer);
	}

	List fields= referenceType.fields();
	for (Iterator iterator= fields.iterator(); iterator.hasNext();) {
	Field field= (Field) iterator.next();
	if (!field.name().startsWith("this$")) { //$NON-NLS-1$
	source.append(buildFieldDeclaration(field));
	}
	}

	List methods= referenceType.methods();
	for (Iterator iterator = methods.iterator(); iterator.hasNext();) {
	Method method= (Method) iterator.next();
	if (!method.isConstructor() && !method.isStaticInitializer()) {
	source.append(buildMethodDeclaration(method));
	}
	}

	List nestedTypes= referenceType.nestedTypes();
	if (nestedTypeName == null) {
	for (Iterator iterator = nestedTypes.iterator(); iterator.hasNext();) {
	ReferenceType nestedType= (ReferenceType) iterator.next();
	if (isADirectInnerType(typeName, nestedType.name())) {
	source.append(buildTypeDeclaration(nestedType, null, null, true));
	}
	}
	} else {
	for (Iterator iterator = nestedTypes.iterator(); iterator.hasNext();) {
	ReferenceType nestedType= (ReferenceType) iterator.next();
	if (!nestedTypeName.equals(nestedType.name()) && isADirectInnerType(typeName, nestedType.name())) {
	source.append(buildTypeDeclaration(nestedType, null, null, true));
	}
	}
	}

	if (isAnonymousType & hasEnclosingInstance) {
	source.append("};\n"); //$NON-NLS-1$
	}

	source.append("}\n"); //$NON-NLS-1$

	return source;
	}

	private StringBuffer buildFieldDeclaration(Field field) {
	StringBuffer source = new StringBuffer();

	if (field.isFinal()) {
	source.append("final "); //$NON-NLS-1$
	}

	if (field.isStatic()) {
	source.append("static "); //$NON-NLS-1$
	}

	if (field.isPublic()) {
	source.append("public "); //$NON-NLS-1$
	} else if (field.isPrivate()) {
	source.append("private "); //$NON-NLS-1$
	} else if (field.isProtected()) {
	source.append("protected "); //$NON-NLS-1$
	}

	source.append(getDotName(field.typeName())).append(' ').append(field.name()).append(';').append('\n');

	return source;
	}

	private StringBuffer buildMethodDeclaration(Method method) {
	StringBuffer source= new StringBuffer();

	if (method.isFinal()) {
	source.append("final "); //$NON-NLS-1$
	}

	if (method.isStatic()) {
	source.append("static "); //$NON-NLS-1$
	}

	if (method.isNative()) {
	source.append("native "); //$NON-NLS-1$
	} else if (method.isAbstract()) {
	source.append("abstract "); //$NON-NLS-1$
	}

	if (method.isPublic()) {
	source.append("public "); //$NON-NLS-1$
	} else if (method.isPrivate()) {
	source.append("private "); //$NON-NLS-1$
	} else if (method.isProtected()) {
	source.append("protected "); //$NON-NLS-1$
	}

	source.append(getDotName(method.returnTypeName())).append(' ').append(method.name()).append('(');

	List arguments= method.argumentTypeNames();
	int i= 0;
	if (arguments.size() != 0) {
	Iterator iterator= arguments.iterator();
	source.append(getDotName((String) iterator.next())).append(" arg").append(i++); //$NON-NLS-1$
	while (iterator.hasNext()) {
	source.append(',').append(getDotName((String) iterator.next())).append(" arg").append(i++); //$NON-NLS-1$
	}
	}
	source.append(')');

	if (method.isAbstract() \|\| method.isNative()) {
	// No body for abstract and native methods
	source.append(";\n"); //$NON-NLS-1$
	} else {
	source.append('{').append('\n');
	source.append(getReturnStatement(method.returnTypeName()));
	source.append('}').append('\n');
	}

	return source;
	}

	private String getReturnStatement(String returnTypeName) {
	String typeName= getSimpleName(returnTypeName);
	if (typeName.charAt(typeName.length() - 1) == ']') {
	return "return null;\n"; //$NON-NLS-1$
	}
	switch (typeName.charAt(0)) {
	case 'v':
	return ""; //$NON-NLS-1$
	case 'b':
	if (typeName.charAt(1) == 'o') {
	return "return false;\n"; //$NON-NLS-1$
	}
	case 's':
	case 'c':
	case 'i':
	case 'l':
	case 'd':
	case 'f':
	return "return 0;\n"; //$NON-NLS-1$
	default:
	return "return null;\n"; //$NON-NLS-1$
	}
	}

	private String getDotName(String typeName) {
	return typeName.replace('$', '.');
	}

	private boolean isAnonymousTypeName(String typeName) {
	char char0 = getSimpleName(typeName).charAt(0);
	return '0' <= char0 && char0 <= '9';
	}

	private String getSimpleName(String qualifiedName) {
	int pos = qualifiedName.lastIndexOf('$');
	if (pos == -1) {
	pos = qualifiedName.lastIndexOf('.');
	}
	return ((pos == -1)? qualifiedName : qualifiedName.substring(pos + 1));
	}

	private String getPackageName(String qualifiedName) {
	int pos = qualifiedName.lastIndexOf('.');
	return ((pos == -1)? null : qualifiedName.substring(0, pos));
	}

	private boolean isADirectInnerType(String typeName, String nestedTypeName) {
	String end= nestedTypeName.substring(typeName.length() + 1);
	return end.indexOf('$') == -1;
	}

	private boolean isInStaticMethod() {
	return fIsInStaticMethod;
	}

	public StringBuffer getSource() {
	return fSource;
	}

	public int getCodeSnippetPosition() {
	return fCodeSnippetPosition;
	}

	public String getCompilationUnitName() {
	return fCompilationUnitName;
	}

	public int getSnippetStart() {
	return fCodeSnippetPosition - 2;
	}

	public int getRunMethodStart() {
	return fCodeSnippetPosition - fRunMethodStartOffset;
	}

	public int getRunMethodLength() {
	return fRunMethodLength;
	}

	}