groovy/jsr/ideas/parsers/antlr/treewalker/build.xml

<?xml version="1.0"?>
<project name="groovy-treewalker" default="default">

  <target name="default" 
          depends="genTreeWalker" 
          description="default: build everything" />

  <target name="genTreeGrammar" description="regenerates GroovyRecognizerTree.g (requires antlr2.8.x)">
    <mkdir dir="gensrc"/>
    <copy file="../../../../../groovy-core/src/main/org/codehaus/groovy/antlr/groovy.g" todir="gensrc"/>

    <exec executable="patch">
      <arg value="gensrc/groovy.g"/>
      <arg value="tree.construction.patch"/>
    </exec>

    <java classname="antlr.Tool" dir="gensrc" fork="yes">
      <arg value="-tree"/>
      <arg value="groovy.g"/>
      <classpath>
        <pathelement location="lib/antlr.jar"/>
      </classpath>
    </java>

    <copy file="gensrc/GroovyRecognizerTree.g" todir="src"/>
  </target>

  <target name="genTreeWalker" description="generate tree walker">
    <mkdir dir="gensrc"/>
    <copy file="src/GroovyRecognizerTree.g" todir="gensrc"/>

    <exec executable="patch">
      <arg value="gensrc/GroovyRecognizerTree.g"/>
      <arg value="tree.fixes.patch"/>
    </exec>

    <java classname="antlr.Tool" dir="gensrc" fork="yes">
      <arg value="GroovyRecognizerTree.g"/>
      <classpath>
        <pathelement location="lib/antlr.jar"/>
      </classpath>
    </java>    
  </target>

  <target name="clean" description="clean generated files">
    <delete dir="gensrc"/>
  </target>

</project>