build.xml

<!-- 
// Copyright 2013 Bill Campbell, Swami Iyer and Bahar Akbal-Delibas
-->

<project default="testParser">
    <property name="APP_FULL_NAME" value="j-- (A Non-trivial Subset of Java)" />
    <property name="SRC_DIR" value="src" />
    <property name="CLASS_DIR" value="classes" />
    <property name="LIB_DIR" value="lib" />
    <property name="JAVADOC_DIR" value="javadoc" />
    <property name="J2H_DIR" value="java2html" />
    <property name="PASS_TESTS_STEP0_DIR" value="${basedir}/tests/pass/step0" />
    <property name="PASS_TESTS_STEP1_DIR" value="${basedir}/tests/pass/step1" />
    <property name="PASS_TESTS_STEP2_DIR" value="${basedir}/tests/pass/step2" />
    <property name="PASS_TESTS_STEP3_DIR" value="${basedir}/tests/pass/step3" />
    <property name="PASS_TESTS_STEP4_DIR" value="${basedir}/tests/pass/step4" />
    <property name="PASS_TESTS_STEP5_DIR" value="${basedir}/tests/pass/step5" />
    <property name="PASS_TESTS_DIR" value="${basedir}/tests/pass" />
    <property name="FAIL_TESTS_DIR" value="${basedir}/tests/fail" />
    <property name="GEN_CLASS_DIR" value="${basedir}/${CLASS_DIR}" />

    <!-- help: Lists main targets -->
    <target name="help">
        <echo message="package: Creates a distributable for j--"/>
        <echo message="testStep0: Tests the scanner (step0)" />
        <echo message="testStep1: Tests the scanner (step1)" />
        <echo message="testStep2: Tests the handwritten parser (step2)" />
        <echo message="testStep3: Tests the JavaCC scanner and parser (step3)" />
        <echo message="testStep4: Tests type checking (step4)" />
        <echo message="testStep5: Tests code generation (step5)" />
        <echo message="runCompilerTests: Compiles and runs j-- (JVM) tests"/>
        <echo message="runCompilerTestsJavaCC: Compiles and runs j-- (JVM) tests using JavaCC frontend"/>
        <echo message="testScanner: Tokenizes j-- tests"/>
        <echo message="testJavaCCScanner: Tokenizes j-- tests using JavaCC scanner"/>
        <echo message="testParser: Parses j-- tests"/>
        <echo message="testJavaCCParser: Parses j-- tests using JavaCC parser"/>
        <echo message="testPreAnalysis: Pre-analyzes j-- tests"/>
        <echo message="testAnalysis: Analyzes j-- tests"/>
    	<echo message="help: Lists main targets"/>
    </target>
    
    <!-- javacc: Generates JavaCC scanner and parser. -->
    <target name="javacc">
        <echo message="Generating JavaCC files..."/>
        <javacc target="${SRC_DIR}/jminusminus/j--.jj"
                outputdirectory="${SRC_DIR}/jminusminus"
                javacchome="${LIB_DIR}"
                static="false" />
    </target>

    <!-- compile: Compiles the jminusminus and SPIM source files. -->
    <target name="compile">
        <echo message="Compiling j-- source files..."/>
        <mkdir dir="${CLASS_DIR}" />
        <javac srcdir="${SRC_DIR}"
               destdir="${CLASS_DIR}"
               includes="jminusminus/**"
	           excludes="jminusminus/JavaCCMain.java"
	       includeantruntime="false"
               debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
        </javac>
    </target>

    <!-- 
	 compileJavaCC: Compiles the jminusminus source files including 
	 JavaCC frontend.
    -->
    
    <target name="compileJavaCC">
        <echo message="Compiling j-- source files..."/>
        <mkdir dir="${CLASS_DIR}" />
        <javac srcdir="${SRC_DIR}"
               destdir="${CLASS_DIR}"
               includes="jminusminus/**"
	       includeantruntime="false"
               debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
        </javac>
    </target>

    <!-- compile: Compiles the SPIM runtime files. -->
    <target name="compileSPIM">
        <echo message="Compiling j-- source files..."/>
        <mkdir dir="${CLASS_DIR}" />
        <javac srcdir="${SRC_DIR}"
               destdir="${CLASS_DIR}"
               includes="spim/**"
	       includeantruntime="false"
    	       debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
        </javac>
    </target>

    <!-- 
       jar: Bundles the jminusminus classes and SPIM runtime  
       classes into respective jar files.
    -->
    
    <target name="jar">
        <echo message="Bundling class files into jar files..."/>
        <jar destfile="${LIB_DIR}/j--.jar" basedir="${CLASS_DIR}" includes="jminusminus/**"/>
        <jar destfile="${LIB_DIR}/spim.jar" basedir="${CLASS_DIR}" includes="spim/**"/>
    </target>

    <!-- javadoc: Generates javadoc for jminusminus and spim runtime classes. -->
    <target name="javadoc">
        <echo message="Generating javadoc for j-- classes..."/>
        <mkdir dir="${JAVADOC_DIR}" />
        <javadoc overview="${SRC_DIR}/overview.html"
                 package="Yes"
                 sourcepath="${SRC_DIR}" destdir="${JAVADOC_DIR}"
                 packagenames="jminusminus.*,spim.*"
                 windowtitle="${APP_FULL_NAME}" 
		 	     doctitle="${APP_FULL_NAME}">
            <link href="http://java.sun.com/javase/6/docs/api/" />
        </javadoc>
    </target>

    <!-- j2h: Generates browsable code using java2html. -->
    <target name="j2h">
        <echo message="Generating browsable code for j--..."/>
        <mkdir dir="${J2H_DIR}" />
	<java jar="${LIB_DIR}/j2h.jar"
           fork="true"
           failonerror="true"
           maxmemory="128m">
          <arg value="-m"/>
          <arg value="4"/>
          <arg value="-d"/>
          <arg value="${J2H_DIR}"/>
          <arg value="-js"/>
          <arg value="${SRC_DIR}"/>
       </java>
    </target>

    <!-- 
    package: Makes a distributable package for the compiler which includes the 
    sources, binaries, documentation and junit test framework. 
    -->
    <target name="package" 
	    depends="clean,javacc,compileJavaCC,compileSPIM,jar,javadoc,j2h">
        <echo message="Making a distributable j--.zip..."/>
        <zip destfile="j--.zip"
             basedir="../"
             includes="j--/**"
             excludes="j--/${CLASS_DIR}/**,j--/*.zip" />
    </target>

    <target name="testStep5" depends="javacc,compileJavaCC,compile,compileSPIM,jar">
        <echo message="Compiling and running j-- (JVM) programs..."/>
        <javac srcdir="${basedir}/tests/"
               destdir="${CLASS_DIR}"
               includes="junit/JMinusMinusTest.java"
	       includeantruntime="false"
        	   debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
            </classpath>
        </javac>
        <junit printsummary="yes" haltonfailure="no" showoutput="yes">
            <sysproperty key="PASS_TESTS_DIR" value="${PASS_TESTS_STEP5_DIR}" />
            <sysproperty key="FAIL_TESTS_DIR" value="${FAIL_TESTS_DIR}" />
            <sysproperty key="GEN_CLASS_DIR" value="${GEN_CLASS_DIR}" />
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
            <test name="junit.JMinusMinusTest"
                  haltonfailure="no">
                <formatter type="plain" usefile="false"/>
            </test>
        </junit>
        <javac srcdir="${basedir}/tests"
               sourcepath=""
               destdir="${CLASS_DIR}"
               includes="junit/**"
               excludes="junit/JavaCCScannerTest.java,junit/JavaCCParserTest.java,junit/JMinusMinusTestJavaCC.java"
	       includeantruntime="false"
	       debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
        </javac>
        <junit printsummary="yes" haltonfailure="no" showoutput="yes">
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
            <test name="junit.JMinusMinusTestRunner"
                  haltonfailure="no">
                <formatter type="plain" usefile="false"/>
            </test>
        </junit>
        <javac srcdir="${basedir}/tests/"
               destdir="${CLASS_DIR}"
               includes="junit/JMinusMinusTestJavaCC.java"
	       includeantruntime="false"
               debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
            </classpath>
        </javac>
        <junit printsummary="yes" haltonfailure="no" showoutput="yes">
            <sysproperty key="PASS_TESTS_DIR" value="${PASS_TESTS_STEP5_DIR}" />
            <sysproperty key="FAIL_TESTS_DIR" value="${FAIL_TESTS_DIR}" />
            <sysproperty key="GEN_CLASS_DIR" value="${GEN_CLASS_DIR}" />
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
            <test name="junit.JMinusMinusTestJavaCC"
                  haltonfailure="no">
                <formatter type="plain" usefile="false"/>
            </test>
        </junit>
        <javac srcdir="${basedir}/tests"
               sourcepath=""
               destdir="${CLASS_DIR}"
               includes="junit/**"
               excludes="clemitter/**,pass/**,fail/**"
	       includeantruntime="false"
               debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
        </javac>
        <junit printsummary="yes" haltonfailure="no" showoutput="yes">
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
            <test name="junit.JMinusMinusTestRunner"
                  haltonfailure="no">
                <formatter type="plain" usefile="false"/>
            </test>
        </junit>
    </target>
        
    <!-- 
    runCompilerTests: We first compile the tests in tests/pass and 
    tests/fail directories using the jminusminus compiler. We  
    use a JUnit test JMinusMinusTest.java to run the jminusminus 
    compiler on each of the tests. We then run the 
    JMinusMinusTestRunner JUnit test suite, which includes a JUnit test 
    case for each jminusminus test file under tests/pass directory. 
    For example, there is a GCDTest.java test case under tests/junit 
    corresponding to the jminusminus test GCD.java under tests/pass. 
    -->
    <target name="runCompilerTests" depends="compile,compileSPIM,jar">
        <echo message="Compiling and running j-- (JVM) programs..."/>
        <javac srcdir="${basedir}/tests/"
               destdir="${CLASS_DIR}"
               includes="junit/JMinusMinusTest.java"
	       includeantruntime="false"
        	   debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
            </classpath>
        </javac>
        <junit printsummary="yes" haltonfailure="no" showoutput="yes">
            <sysproperty key="PASS_TESTS_DIR" value="${PASS_TESTS_STEP5_DIR}" />
            <sysproperty key="FAIL_TESTS_DIR" value="${FAIL_TESTS_DIR}" />
            <sysproperty key="GEN_CLASS_DIR" value="${GEN_CLASS_DIR}" />
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
            <test name="junit.JMinusMinusTest"
                  haltonfailure="no">
                <formatter type="plain" usefile="false"/>
            </test>
        </junit>
        <javac srcdir="${basedir}/tests"
               sourcepath=""
               destdir="${CLASS_DIR}"
               includes="junit/**"
               excludes="junit/JavaCCScannerTest.java,junit/JavaCCParserTest.java,junit/JMinusMinusTestJavaCC.java"
	       includeantruntime="false"
	       debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
        </javac>
        <junit printsummary="yes" haltonfailure="no" showoutput="yes">
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
            <test name="junit.JMinusMinusTestRunner"
                  haltonfailure="no">
                <formatter type="plain" usefile="false"/>
            </test>
        </junit>
    </target>
    
    <!-- 
    runCompilerTestsJavaCC: Same as run compilerTests, but using 
    JavaCC frontend.                                 
    -->
    <target name="runCompilerTestsJavaCC" 
	    depends="javacc,compileJavaCC,compileSPIM,jar">
        <echo message=
            "Compiling and running j-- (JVM) programs using JavaCC frontend..."/>
        <javac srcdir="${basedir}/tests/"
               destdir="${CLASS_DIR}"
               includes="junit/JMinusMinusTestJavaCC.java"
	       includeantruntime="false"
               debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
            </classpath>
        </javac>
        <junit printsummary="yes" haltonfailure="no" showoutput="yes">
            <sysproperty key="PASS_TESTS_DIR" value="${PASS_TESTS_STEP5_DIR}" />
            <sysproperty key="FAIL_TESTS_DIR" value="${FAIL_TESTS_DIR}" />
            <sysproperty key="GEN_CLASS_DIR" value="${GEN_CLASS_DIR}" />
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
            <test name="junit.JMinusMinusTestJavaCC"
                  haltonfailure="no">
                <formatter type="plain" usefile="false"/>
            </test>
        </junit>
        <javac srcdir="${basedir}/tests"
               sourcepath=""
               destdir="${CLASS_DIR}"
               includes="junit/**"
               excludes="clemitter/**,pass/**,fail/**"
	       includeantruntime="false"
               debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
        </javac>
        <junit printsummary="yes" haltonfailure="no" showoutput="yes">
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
            <test name="junit.JMinusMinusTestRunner"
                  haltonfailure="no">
                <formatter type="plain" usefile="false"/>
            </test>
        </junit>
    </target>

    <target name="testStep0" depends="compile,jar">
        <echo message="Running handwritten scanner on the j-- programs..."/>
        <javac srcdir="${basedir}/tests/"
               destdir="${CLASS_DIR}"
               includes="junit/ScannerTest.java"
	       includeantruntime="false"
               debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
            </classpath>
        </javac>
        <junit printsummary="yes" haltonfailure="no" showoutput="yes">
            <sysproperty key="PASS_TESTS_DIR" value="${PASS_TESTS_STEP0_DIR}" />
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
            <test name="junit.ScannerTest"
                  haltonfailure="no">
                <formatter type="plain" usefile="false"/>
            </test>
        </junit>
    </target>

    <target name="testStep1" depends="compile,jar">
        <echo message="Running handwritten scanner on the j-- programs..."/>
        <javac srcdir="${basedir}/tests/"
               destdir="${CLASS_DIR}"
               includes="junit/ScannerTest.java"
	       includeantruntime="false"
               debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
            </classpath>
        </javac>
        <junit printsummary="yes" haltonfailure="no" showoutput="yes">
            <sysproperty key="PASS_TESTS_DIR" value="${PASS_TESTS_STEP1_DIR}" />
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
            <test name="junit.ScannerTest"
                  haltonfailure="no">
                <formatter type="plain" usefile="false"/>
            </test>
        </junit>
    </target>

    <!-- 
    testScanner: Tests handwritten scanner by running it on all tests under 
    tests/pass directory. 
    -->
    <target name="testScanner" depends="compile,jar">
        <echo message="Running handwritten scanner on the j-- programs..."/>
        <javac srcdir="${basedir}/tests/"
               destdir="${CLASS_DIR}"
               includes="junit/ScannerTest.java"
	       includeantruntime="false"
               debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
            </classpath>
        </javac>
        <junit printsummary="yes" haltonfailure="no" showoutput="yes">
            <sysproperty key="PASS_TESTS_DIR" value="${PASS_TESTS_STEP1_DIR}" />
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
            <test name="junit.ScannerTest"
                  haltonfailure="no">
                <formatter type="plain" usefile="false"/>
            </test>
        </junit>
    </target>
    
    <!-- 
    testJavaCCScanner: Tests JavaCC scanner by running it on all tests 
    under tests/pass directory. 
    -->
    <target name="testJavaCCScanner" depends="javacc,compileJavaCC,jar">
        <echo message="Running JavaCC scanner on the j-- programs..."/>
        <javac srcdir="${basedir}/tests/"
               destdir="${CLASS_DIR}"
               includes="junit/JavaCCScannerTest.java"
	       includeantruntime="false"
               debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
            </classpath>
        </javac>
        <junit printsummary="yes" haltonfailure="no" showoutput="yes">
            <sysproperty key="PASS_TESTS_DIR" value="${PASS_TESTS_STEP3_DIR}" />
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
            <test name="junit.JavaCCScannerTest"
                  haltonfailure="no">
                <formatter type="plain" usefile="false"/>
            </test>
        </junit>
    </target>

    <target name="testStep2" depends="compile,jar">
        <echo message="Running handwritten parser on the j-- programs..."/>
        <javac srcdir="${basedir}/tests/"
               destdir="${CLASS_DIR}"
               includes="junit/ParserTest.java"
	       includeantruntime="false"
               debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
            </classpath>
        </javac>
        <junit printsummary="yes" haltonfailure="no" showoutput="yes">
            <sysproperty key="PASS_TESTS_DIR" value="${PASS_TESTS_STEP2_DIR}" />
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
            <test name="junit.ParserTest"
                  haltonfailure="no">
                <formatter type="plain" usefile="false"/>
            </test>
        </junit>
    </target>

    <!-- 
    testParser: Tests hand-written parser by running it on all tests 
    under tests/pass directory. 
    -->
    <target name="testParser" depends="compile,jar">
        <echo message="Running handwritten parser on the j-- programs..."/>
        <javac srcdir="${basedir}/tests/"
               destdir="${CLASS_DIR}"
               includes="junit/ParserTest.java"
	       includeantruntime="false"
               debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
            </classpath>
        </javac>
        <junit printsummary="yes" haltonfailure="no" showoutput="yes">
            <sysproperty key="PASS_TESTS_DIR" value="${PASS_TESTS_STEP2_DIR}" />
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
            <test name="junit.ParserTest"
                  haltonfailure="no">
                <formatter type="plain" usefile="false"/>
            </test>
        </junit>
    </target>

    <target name="testStep3" depends="javacc,compileJavaCC,jar">
        <echo message="Running JavaCC scanner and parser on the j-- programs..."/>
        <javac srcdir="${basedir}/tests/"
               destdir="${CLASS_DIR}"
               includes="junit/JavaCCScannerTest.java"
	       includeantruntime="false"
               debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
            </classpath>
        </javac>
        <junit printsummary="yes" haltonfailure="no" showoutput="yes">
            <sysproperty key="PASS_TESTS_DIR" value="${PASS_TESTS_STEP3_DIR}" />
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
            <test name="junit.JavaCCScannerTest"
                  haltonfailure="no">
                <formatter type="plain" usefile="false"/>
            </test>
        </junit>
        <javac srcdir="${basedir}/tests/"
               destdir="${CLASS_DIR}"
               includes="junit/JavaCCParserTest.java"
	       includeantruntime="false"
               debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
            </classpath>
        </javac>
        <junit printsummary="yes" haltonfailure="no" showoutput="yes">
            <sysproperty key="PASS_TESTS_DIR" value="${PASS_TESTS_STEP3_DIR}" />
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
            <test name="junit.JavaCCParserTest"
                  haltonfailure="no">
                <formatter type="plain" usefile="false"/>
            </test>
        </junit>
    </target>

    <!-- 
    testJavaCCParser: Tests JavaCC parser by running it on all tests 
    under tests/pass directory. 
    -->
    <target name="testJavaCCParser" depends="javacc,compileJavaCC,jar">
        <echo message="Running JavaCC parser on the j-- programs..."/>
        <javac srcdir="${basedir}/tests/"
               destdir="${CLASS_DIR}"
               includes="junit/JavaCCParserTest.java"
	       includeantruntime="false"
               debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
            </classpath>
        </javac>
        <junit printsummary="yes" haltonfailure="no" showoutput="yes">
            <sysproperty key="PASS_TESTS_DIR" value="${PASS_TESTS_DIR}" />
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
            <test name="junit.JavaCCParserTest"
                  haltonfailure="no">
                <formatter type="plain" usefile="false"/>
            </test>
        </junit>
    </target>


    <target name="testStep4" depends="compile,jar">
        <echo message="Running compiler on j-- programs up to analysis"/>
        <javac srcdir="${basedir}/tests/"
               destdir="${CLASS_DIR}"
               includes="junit/PreAnalysisTest.java"
	       includeantruntime="false"
               debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
            </classpath>
        </javac>
        <junit printsummary="yes" haltonfailure="no" showoutput="yes">
            <sysproperty key="PASS_TESTS_DIR" value="${PASS_TESTS_STEP4_DIR}" />
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
            <test name="junit.PreAnalysisTest"
                  haltonfailure="no">
                <formatter type="plain" usefile="false"/>
            </test>
        </junit>
        <javac srcdir="${basedir}/tests/"
               destdir="${CLASS_DIR}"
               includes="junit/AnalysisTest.java"
	       includeantruntime="false"
               debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
            </classpath>
        </javac>
        <junit printsummary="yes" haltonfailure="no" showoutput="yes">
            <sysproperty key="PASS_TESTS_DIR" value="${PASS_TESTS_STEP4_DIR}" />
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
            <test name="junit.AnalysisTest"
                  haltonfailure="no">
                <formatter type="plain" usefile="false"/>
            </test>
        </junit>
    </target>

    <!-- 
    testPreAnalysis: Runs the jminusminus compiler on each test under 
    tests/pass up to the stage where the AST has been pre-analyzed. 
    -->
    <target name="testPreAnalysis" depends="compile,jar">
        <echo message="Running compiler on j-- programs up to pre-analysis..."/>
        <javac srcdir="${basedir}/tests/"
               destdir="${CLASS_DIR}"
               includes="junit/PreAnalysisTest.java"
	       includeantruntime="false"
               debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
            </classpath>
        </javac>
        <junit printsummary="yes" haltonfailure="no" showoutput="yes">
            <sysproperty key="PASS_TESTS_DIR" value="${PASS_TESTS_DIR}" />
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
            <test name="junit.PreAnalysisTest"
                  haltonfailure="no">
                <formatter type="plain" usefile="false"/>
            </test>
        </junit>
    </target>

    <!-- 
    testAnalysis: Runs the jminusminus compiler on each test under 
    tests/pass up to the stage where the AST has been analyzed. 
    -->
    <target name="testAnalysis" depends="compile,jar">
        <echo message="Running compiler on j-- programs up to analysis..."/>
        <javac srcdir="${basedir}/tests/"
               destdir="${CLASS_DIR}"
               includes="junit/AnalysisTest.java"
	       includeantruntime="false"
               debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
            </classpath>
        </javac>
        <junit printsummary="yes" haltonfailure="no" showoutput="yes">
            <sysproperty key="PASS_TESTS_DIR" value="${PASS_TESTS_DIR}" />
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
            <test name="junit.AnalysisTest"
                  haltonfailure="no">
                <formatter type="plain" usefile="false"/>
            </test>
        </junit>
    </target>


    <target name="testAnalysisSingle" depends="compile,jar">
        <echo message="Running compiler on j-- programs up to analysis..."/>
        <javac srcdir="${basedir}/tests/"
               destdir="${CLASS_DIR}"
               includes="junit/AnalysisTest.java"
               includeantruntime="false"
               debug="on">
            <!-- Uncomment the following to see compiler warnings. -->
            <!-- <compilerarg value="-Xlint" />                    -->
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
            </classpath>
        </javac>
        <junit printsummary="yes" haltonfailure="no" showoutput="yes">
            <sysproperty key="PASS_TESTS_DIR" value="${SINGLE_TEST_DIR}" />
            <classpath>
                <pathelement location="${LIB_DIR}/junit.jar" />
                <pathelement location="${basedir}/${CLASS_DIR}" />
            </classpath>
            <test name="junit.AnalysisTest"
                  haltonfailure="no">
                <formatter type="plain" usefile="false"/>
            </test>
        </junit>
    </target>


    <!-- clean: Removes generated files and folders. -->
    <target name="clean">
        <echo message="Removing generated files and folders..."/>
        <delete file="${SRC_DIR}/jminusminus/Token.java" />
        <delete file="${SRC_DIR}/jminusminus/TokenMgrError.java" />
        <delete file="${SRC_DIR}/jminusminus/ParseException.java" />
        <delete file="${SRC_DIR}/jminusminus/JavaCCParser.java" />
        <delete file="${SRC_DIR}/jminusminus/JavaCCParserTokenManager.java" />
        <delete file="${SRC_DIR}/jminusminus/JavaCCParserConstants.java" />
        <delete file="${SRC_DIR}/jminusminus/SimpleCharStream.java" />
        <delete>
            <fileset dir="${basedir}" includes="**/*.class"/>
        </delete>
        <delete file="j--.zip" />
        <delete file="${LIB_DIR}/j--.jar" />
        <delete file="${LIB_DIR}/spim.jar" />
        <delete dir="${CLASS_DIR}" />
        <delete dir="${JAVADOC_DIR}" />
        <delete dir="${J2H_DIR}" />
    </target>

</project>