build.xml

<project name="cogwed" default="compile" basedir=".">

  <path id="lib.path">
    <pathelement location="build"/>
    <fileset dir=".">
          <include name="lib/*.jar"/>
    </fileset>
  </path>


<macrodef name="antlr4">
  <attribute name="grammar.name"/>
  <attribute name="outputdirectory" default="."/>
  <attribute name="package.name" />
  <sequential>
    <java jar="lib/antlr-4.7.1-complete.jar" fork="true">
      <arg value="-package" />
      <arg value="@{package.name}" />
      <arg value="-o"/>
      <arg path="@{outputdirectory}"/>
      <arg path="@{grammar.name}"/>
      <classpath>
	<pathelement location="./lib/antlr-4.7.1-complete.jar"/>
      </classpath>
    </java>
  </sequential>
</macrodef>

<target name="-init">
  <tstamp/>
  <mkdir dir="build"/> 
</target>

<target name="CogwedModelGrammar">
  <antlr4 grammar.name="src/grammars/CogwedModelGrammar.g" package.name="mccal.model.modelreader.antlr" outputdirectory="./src/mccal/model/modelreader/antlr"/>
</target>

<target name="CogwedFormulaGrammar">
  <antlr4 grammar.name="./src/grammars/CogwedFormulaGrammar.g" package.name="mccal.formula.formulareader.antlr" outputdirectory="./src/mccal/formula/formulareader/antlr" />
</target>

 <target name="compile" depends="-init,CogwedModelGrammar,CogwedFormulaGrammar">
   <javac srcdir="src/" destdir="build/" includeantruntime="false"
	  classpathref="lib.path" />
 </target>

  <target name="clean"
          description="remove all build artifacts and temporary files">
    <delete dir="build" failonerror="false"/>
    <delete>
      <fileset dir="." includes="**/*~" defaultexcludes="no" />
      <fileset dir="." includes="**/*.bak" defaultexcludes="no" />
      <fileset dir="." includes="**/error.xml" />
    </delete>
  </target>

</project>