plugins/xpath/xpath-lang/build.xml

<project default="all" name="xpath-lang">

  <property file="build.properties"/>

  <dirname file="${ant.file}" property="project.dir" />
  <property name="src.dir" value="${project.dir}/src" />

  <property name="build.dir" value="${basedir}/build" />
  <property name="build.classes.dir" value="${build.dir}/classes" />

  <path id="idea.classpath">
    <fileset dir="${idea.home}">
      <include name="lib/*.jar"/>
      <include name="redist/*.jar"/>
    </fileset>
  </path>

  <path id="classpath.uidesigner">
    <fileset dir="${idea.home}">
      <include name="lib/*.jar"/>
      <include name="redist/*.jar"/>
    </fileset>
  </path>

  <taskdef name="javac2" classname="com.intellij.ant.Javac2">
    <classpath refid="classpath.uidesigner" />
  </taskdef>
  <taskdef name="jflex" classname="JFlex.anttask.JFlexTask">
    <classpath location="${idea.home}/tools/jflex/lib/JFlex.jar"/>
  </taskdef>

  <target name="init">
  </target>

  <target name="jflex" depends="init">
    <jflex skeleton="${idea.home}/tools/jflex/idea-flex.skeleton" nobak="true"
           file="${src.dir}/org/intellij/lang/xpath/xpath-lexer.flex" destdir="${src.dir}" charat="true"/>
  </target>

  <target name="compile" depends="init, jflex">
    <mkdir dir="${build.classes.dir}"/>
    <mkdir dir="${build.dir}/xslt-rt/classes"/>

    <javac2 srcdir="${src.dir}" destdir="${build.classes.dir}" source="1.5" target="1.5" debug="${compile.debug}" optimize="${compile.optimize}">
      <classpath refid="idea.classpath"/>
      <exclude name="com/**/*" />
    </javac2>

    <javac2 srcdir="../xslt-rt/src" destdir="${build.dir}/xslt-rt/classes" source="1.4" target="1.4" debug="${compile.debug}" optimize="${compile.optimize}">
      <exclude name="com/**/*" />
    </javac2>
  </target>

  <target name="build" depends="compile" description="Build project"/>

  <target name="jar" depends="build">
    <jar file="${build.dir}/xpath-lang.jar" compress="false">
      <zipfileset dir="${build.classes.dir}">
        <include name="**/*"/>
        <exclude name="**/run/rt/*"/>
      </zipfileset>
      <zipfileset dir="${src.dir}">
        <include name="icons/**/*"/>
        <include name="intentionDescriptions/**/*.*"/>
        <include name="inspectionDescriptions/**/*.*"/>
        <include name="**/*.xml"/>
        <include name="**/*.xsd"/>
        <include name="**/*.xsl"/>
        <include name="**/*.xhtml"/>
      </zipfileset>
      <zipfileset dir="${project.dir}">
        <include name="LICENSE"/>
        <include name="W3C Document License.htm"/>
        <include name="META-INF/*.*" unless="xpath-lang.embedded"/>
      </zipfileset>
    </jar>

    <jar file="${build.dir}/xslt-rt/xslt-rt.jar" compress="false">
      <zipfileset dir="${build.dir}/xslt-rt/classes">
        <include name="**/run/rt/**/*"/>
      </zipfileset>
    </jar>
  </target>

  <target name="all" depends="compile, jar"/>

  <target name="clean">
    <delete dir="${build.dir}"/>
  </target>
</project>