build.xml

<?xml version="1.0" encoding="UTF-8"?>
<project name="BasicMigration" default="compile" basedir=".">
  <target name="init" description="Initialize variables and path">
    <property name="src.dir" value="src"/>
    <property name="java-gen.dir" value="java-gen"/>
    <property name="build.dir" value="build"/>
    <property name="datastructure-impl.dir" value="${src.dir}/datastructure-impl"/>
    <property name="mainclass" value="BasicParser"/>
    
    <path id="project.classpath">
      <pathelement location="${build.dir}"/>
    </path>
  </target>

  <target name="run" depends="compile">
    <java fork="true" classpathref="project.classpath" classname="${mainclass}"/>
  </target>

  <target name="compile" depends="BasicParserJJ">   
    <mkdir dir="${build.dir}"/>
    <javac srcdir="${java-gen.dir}"
	   destdir="${build.dir}"
	   classpathref="project.classpath" />
  </target>

  <target name="BasicParserJJ" depends="BasicParserJJT">
    <exec executable="javacc">
      <arg line="${java-gen.dir}/BasicParser.jj"/>
    </exec>
  </target>

  <target name="BasicParserJJT" depends="init">
    <copy todir="${java-gen.dir}">
      <fileset dir="${datastructure-impl.dir}">
	<include name="**/*.java"/>
      </fileset>
    </copy>
    <exec executable="jjtree">
      <arg line="${src.dir}/BasicParser.jjt"/>
    </exec>
  </target>

  <target name="clean" depends="init">
    <delete includeemptydirs="true">
      <fileset dir="${build.dir}"/>
      <fileset dir="${java-gen.dir}"/>
    </delete>
  </target>
  
</project>