build.xml

<?xml version="1.0" encoding="UTF-8"?>
<!-- 
     Scala + JAVA + Antlr Build Script Written By Russell Cohen, 2013, modifed 
     from the original script by 6.035 TAs of yore. 
     This somewhat complex Ant script handles the necessary build dance to link 
     Antrl, Java and Scala together.
-->
 
<project name="ProjectName" default="build" basedir=".">
  <description>Project Build Script</description>
 
  <!-- targets -->
  <target name="build" depends="package" description="Build whole project"/>
 
  <target name="clean" depends="init" description="Remove previous build files">
    <delete dir="${build.dir}" includeemptydirs="true" quiet="true"/>
    <ant dir="parser" target="clean" />
  </target>
 
  <target name="init">
    <property environment="env"/>
 
    <!-- check for required tools -->
    <fail message="Missing SCALA_HOME variable in OS environment">
      <condition><isset property="${env.SCALA_HOME}"/></condition>
    </fail>
    <fail message="Missing JAVA_HOME variable in OS environment">
      <condition><isset property="${env.JAVA_HOME}"/></condition>
    </fail>
 
    <!-- variables for paths and files -->
    <property name="src.dir" location="${basedir}/src"/>
    <property name="tests.dir" location="${basedir}/unittests"/>
    <property name="lib.dir" location="${basedir}/lib"/>
    <property name="build.dir" location="${basedir}/build"/>
    <property name="build-classes.dir" location="${build.dir}/classes"/>
    <property name="test-classes.dir" location="${build.dir}/test/classes"/>
    <property name="build-lib.dir" location="${build.dir}/lib"/>
    <property name="build-doc.dir" location="${build.dir}/doc"/>
    <property name="java.dir" location="${env.JAVA_HOME}"/>
    <property name="scala.dir" location="${env.SCALA_HOME}"/>
    <property name="scala-library.jar" location="${scala.dir}/scala-library.jar"/>
    <property name="scala-compiler.jar" location="${scala.dir}/scala-compiler.jar"/>
    <property name="scala-reflect.jar" location="${scala.dir}/scala-reflect.jar"/>
 
    <path id="project.classpath">
      <pathelement location="${scala-library.jar}"/>
      <pathelement location="${build-classes.dir}"/> <!-- used during recompilation -->
      <pathelement location="${test-classes.dir}"/> <!-- used during recompilation -->
      <fileset dir="${lib.dir}">  
        <include name="**/*.jar"/>  
      </fileset>  
    </path>
 
    <path id="scala.classpath">
      <pathelement location="${scala-compiler.jar}"/>
      <pathelement location="${scala-library.jar}"/>
      <pathelement location="${scala-reflect.jar}"/>
    </path> 

    <!-- load scala's ant tasks -->
    <taskdef resource="scala/tools/ant/antlib.xml" classpathref="scala.classpath"/>
 
    <!-- print where this project will get scala and java from -->
    <echo message="Init project"/>
    <echo message=" with scala.dir = ${scala.dir}"/>
    <echo message=" with java.dir = ${java.dir}"/>
 
    <!-- check if any files has been modified since last build -->
    <uptodate property="build.uptodate" targetfile="${build.dir}/build.done">
      <srcfiles dir= "${src.dir}" includes="**"/>
      <srcfiles dir= "${lib.dir}" includes="**"/>
    </uptodate>
  </target>

  <target name="parser" depends="init">
    <ant dir="parser" />
  </target>

  <target name="compile" depends="parser" unless="build.uptodate">
    <mkdir dir="${build-classes.dir}"/>
    <scalac
      destdir="${build-classes.dir}"
      classpathref="project.classpath"
      deprecation="off"
      unchecked="off">
      <include name="**/*.scala"/>
      <include name="**/*.java"/>
      <src>
        <pathelement location="${src.dir}"/>
      </src>
    </scalac>
    <javac
      destdir="${build-classes.dir}"
      classpathref="project.classpath"
      includeantruntime="false">
      <include name="**/*.java"/>
      <src><pathelement location="${src.dir}"/></src>
    </javac>
  </target>

  <target name="compile-test" depends="compile" unless="tests.uptodate">
    <mkdir dir="${test-classes.dir}"/>
    <scalac
      destdir="${test-classes.dir}"
      classpathref="project.classpath"
      deprecation="off"
      unchecked="off">
      <include name="**/*.scala"/>
      <include name="**/*.java"/>
      <src>
        <pathelement location="${tests.dir}"/>
      </src>
    </scalac>
    <javac
      destdir="${test-classes.dir}"
      classpathref="project.classpath"
      includeantruntime="false">
      <include name="**/*.java"/>
      <src>
        <pathelement location="${tests.dir}"/>
      </src>
    </javac>
    <uptodate property="tests.uptodate" targetfile="${build.dir}/tests.done">
      <srcfiles dir= "${tests.dir}" includes="**"/>
    </uptodate>
  </target>
  
  <target name="test" depends="compile-test" unless="tests.uptodate">  
    <taskdef name="scalatest" classname="org.scalatest.tools.ScalaTestAntTask" classpathref="project.classpath">  
      <classpath>  
        <fileset dir="${scala.dir}">  
          <include name="**/*.jar"/>  
        </fileset>  
        <fileset dir="${lib.dir}">  
          <include name="**/*.jar"/>  
        </fileset>  
      </classpath>  
    </taskdef>  
    <scalatest runpath="${test-classes.dir}" haltonfailure="true" fork="no">  
      <reporter type="stdout" />  
    </scalatest>  
 </target>   

  <target name="tar" depends="clean">
    <delete file="${env.USER}-handin.tar.gz" />
    <delete file="${env.USER}-handin.tar" />
    <tar destfile="${env.USER}-handin.tar">
      <tarfileset dir="."
                  prefix="${env.USER}-handin/">
        <include name="**/*" />
        <exclude name="*.tar" />
        <exclude name="*.tar.gz" />
        <exclude name="**/.git/**" />
      </tarfileset>
    </tar>
    <gzip destfile="${env.USER}-handin.tar.gz"
          src="${env.USER}-handin.tar" />
  </target>
 
  <target name="package" depends="compile" unless="build.uptodate">
    <mkdir dir="${build-lib.dir}"/>
    <jar destfile="${build-lib.dir}/project.jar">
      <fileset dir="${build-classes.dir}"/>
      <fileset dir="${lib.dir}">  
        <include name="**/*.jar"/>  
      </fileset>
     </jar>
    <jar destfile="${build-lib.dir}/project-src.jar">
      <fileset dir="${src.dir}" includes="**/*.scala"/>
    </jar>
    <touch file="${build.dir}/build.done"/> <!-- mark build as up-to-date -->
  </target>
</project>