tools/lexer/jflex-1.4/src/build.xml

<project name="JFlex" default="help">

  <!-- ==================== properties ============================== -->

  <!-- use any of these files to override properties -->
  <property file="build.properties" />
  <property file="${user.home}/.jflex.properties" />
  
  <!-- location of development tools necessary for the build -->
  <property name="tools.dir" value="../tools"/>
  
  <!-- override these if you want to use your own versions -->
  <property name="jflex.jar" value="${tools.dir}/JFlex.jar" />
  <property name="cup.jar" value="${tools.dir}/java_cup.jar" />
  <property name="junit.jar" value="${tools.dir}/junit.jar" />

  <!-- where to get tool jars from -->
  <property name="jflex.jar.url" 
  	        value="http://jflex.sourceforge.net/jar/stable/JFlex.jar" />
  <property name="cup.jar.url" 
  	        value="http://jflex.sourceforge.net/jar/stable/java_cup.jar" />
  <property name="junit.jar.url"
                value="http://jflex.sourceforge.net/jar/stable/junit.jar" />

  	        
  <!-- ==================== targets ================================= -->

  <target name="help" description="show help message">
  	<echo message="Ant build file for JFlex. Useful targets:"/> 
  	<echo message=""/> 
  	<echo message="gettools:   download development tools for the build"/> 
  	<echo message="realclean:  remove all compiled and generated files"/>
  	<echo message="jar:        make JFlex.jar"/> 
  	<echo message=""/> 
  	<echo message="Use the gettool target or override the *.jar properties"/>
  	<echo message="before you do the first build."/> 
  </target> 

  <target name="declare" description="define tasks for jflex and cup">
    <taskdef classname="JFlex.anttask.JFlexTask" name="jflex" classpath="${jflex.jar}"/>
    <taskdef classname="java_cup.anttask.CUPTask" name="cup" classpath="${cup.jar}"/>
  </target>

  <target name="gettools" description="download development tools">
    <mkdir dir="${tools.dir}"/>
    <get src="${jflex.jar.url}" dest="${jflex.jar}"/>
    <get src="${cup.jar.url}" dest="${cup.jar}"/>
    <get src="${junit.jar.url}" dest="${junit.jar}"/>
  </target>

  <target name="dist" description="build distribution">
    <antcall target="gettools" />
    <antcall target="build" />
    <antcall target="libclean" />
  </target>

  <target name="build" depends="realclean,jar" 
          description="complete build from scratch"/>

  <target name="cbuild" depends="libclean,compile,jar" 
          description="recompile and pack all classes"/> 

  <target name="compile" depends="jflex,cup"
          description="compile all classes">
    <javac srcdir="." 
           destdir="../lib" 
           target="1.1"
    	     source="1.2"
           classpath=".:${junit.jar}"
           debug="on" />
  </target>

  <target name="jflex" depends="declare" description="generate scanner">
    <jflex file="JFlex/LexScan.flex" skeleton="skeleton.nested"/>
  </target>

  <target name="cup" depends="declare" description="generate parser">
    <cup srcfile="JFlex/LexParse.cup" interface="true" parser="LexParse" />
  </target>

  <target name="copy" description="copy resources to build dir">
    <copy file="skeleton.default" todir="../lib/JFlex" />
    <copy file="JFlex/Messages.properties" todir="../lib/JFlex/" />
  </target>

  <target name="jar" depends="compile,copy" description="make JFlex.jar">
    <jar basedir="../lib" 
    	 includes="JFlex/**,java_cup/**,skeleton" 
    	 jarfile="../lib/JFlex.jar" 
    	 manifest="manifest"/>
  </target>

  <target name="libclean" description="remove compiled classes">
    <delete dir="../lib/JFlex" />
    <delete dir="../lib/java_cup" />
  </target>

  <target name="jarclean" description="remove JFlex.jar">
    <delete file="../lib/JFlex.jar" />
  </target>

  <target name="genclean" description="remove genrated classes">
    <delete file="JFlex/LexScan.java" />
    <delete file="JFlex/LexParse.java" />
    <delete file="JFlex/sym.java" />
  </target>

  <target name="clean" description="remove backup files">
    <delete> <fileset dir="." includes="**/*~"/> </delete>
  </target>

  <target name="realclean" depends="clean,genclean,libclean,jarclean" 
          description="clean up extra tidily"/>
</project>