plugins/org.eclipse.mat.parser/build_javacc.xml

<!--
/*******************************************************************************
 * Copyright (c) 2011 IBM Corporation.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *    IBM Corporation - initial API and implementation
 *******************************************************************************/
-->
<project name="parser">
	<description>
		Generates java files from jj grammar file using javacc
	</description>
	<target name="pre" description="Sets the temporary directory for java files built by javacc">
		<property name="temp.dir" value="src/org/eclipse/mat/parser/internal/oql/parser/tmp" />
	</target>
	<target name="clean_java" description="Removes java files generated by javacc">
		<delete>
			<fileset dir="src/org/eclipse/mat/parser/internal/oql/parser" includes="**/*">
				<filename name="**/*.java"/>
				<filename name="package-info.java" negate="true"/>
			</fileset>
		</delete>
	</target>
	<target name="javacc" depends="pre" description="Generates java files using javacc. Requires javacc.jar (from javacc-4.1.jar or javacc-5.0.jar) to be added to project root.">
		<mkdir dir="${temp.dir}" />
		<javacc target="src/org/eclipse/mat/parser/internal/oql/parser/OQLParser.jj" javacchome="." outputdirectory="${temp.dir}" />
		<copy toDir="src/org/eclipse/mat/parser/internal/oql/parser">
			<fileset dir="${temp.dir}">
				<include name="*.java" />
			</fileset>
			<filterchain>
				<!-- javacc converts backslash to a unicode escape, which works but looks messy, so reverse it -->
				<replaceregex pattern="u005c" replace="" flags="g" />
				<!-- avoid problems with the Turkish locale with toUpperCase -->
				<replaceregex pattern="toUpperCase\(\)" replace="toUpperCase\(Locale.ENGLISH\)" flags="g" />
				<!-- internationalize the missing return message -->
				<replaceregex pattern='"Missing return statement in function"' replace="Messages.OQLParser_Missing_return_statement_in_function" flags="g" />
				<!-- avoid warnings by adding suppressWarnings -->
				<replaceregex pattern="public class OQLParser" replace='@SuppressWarnings("nls") \0' />
				<!-- remove semicolon on its own -->
				<replaceregex pattern="^\s*;$" replace="" />
			</filterchain>
		</copy>
		<echo>Organize imports and reformat java source code to make code conform to project standards.</echo>
	</target>
	<target name="javacc_doc">
		<property name="grammar.out" location="src/org/eclipse/mat/parser/internal/oql/parser/OQL.html"/>
		<jjdoc 
			target="src/org/eclipse/mat/parser/internal/oql/parser/OQLParser.jj"
			outputfile="${grammar.out}"
			javacchome="."
		/>
	</target>
	<target name="clean_tmp" depends="pre" description="Removes temporary java files generated using javacc">
		<delete dir="${temp.dir}"/>
	</target>
	<target name="clean_build" depends="clean_java,javacc,javacc_doc,clean_tmp" description="Builds all the javacc files and tidies up">
	</target>
</project>