javacc.java

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/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */

package org.apache.tools.ant.taskdefs.optional.javacc;

import java.io.File;
import java.io.InputStream;
import java.util.Enumeration;
import java.util.Hashtable;

import org.apache.tools.ant.AntClassLoader;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.taskdefs.Execute;
import org.apache.tools.ant.types.Commandline;
import org.apache.tools.ant.types.CommandlineJava;
import org.apache.tools.ant.types.Path;
import org.apache.tools.ant.util.JavaEnvUtils;

/**
 * JavaCC compiler compiler task.
 *
 */
public class JavaCC extends Task {

    // keys to optional attributes
    private static final String LOOKAHEAD              = "LOOKAHEAD";
    private static final String CHOICE_AMBIGUITY_CHECK = "CHOICE_AMBIGUITY_CHECK";
    private static final String OTHER_AMBIGUITY_CHECK  = "OTHER_AMBIGUITY_CHECK";

    private static final String STATIC                 = "STATIC";
    private static final String DEBUG_PARSER           = "DEBUG_PARSER";
    private static final String DEBUG_LOOKAHEAD        = "DEBUG_LOOKAHEAD";
    private static final String DEBUG_TOKEN_MANAGER    = "DEBUG_TOKEN_MANAGER";
    private static final String OPTIMIZE_TOKEN_MANAGER = "OPTIMIZE_TOKEN_MANAGER";
    private static final String ERROR_REPORTING        = "ERROR_REPORTING";
    private static final String JAVA_UNICODE_ESCAPE    = "JAVA_UNICODE_ESCAPE";
    private static final String UNICODE_INPUT          = "UNICODE_INPUT";
    private static final String IGNORE_CASE            = "IGNORE_CASE";
    private static final String COMMON_TOKEN_ACTION    = "COMMON_TOKEN_ACTION";
    private static final String USER_TOKEN_MANAGER     = "USER_TOKEN_MANAGER";
    private static final String USER_CHAR_STREAM       = "USER_CHAR_STREAM";
    private static final String BUILD_PARSER           = "BUILD_PARSER";
    private static final String BUILD_TOKEN_MANAGER    = "BUILD_TOKEN_MANAGER";
    private static final String SANITY_CHECK           = "SANITY_CHECK";
    private static final String FORCE_LA_CHECK         = "FORCE_LA_CHECK";
    private static final String CACHE_TOKENS           = "CACHE_TOKENS";
    private static final String KEEP_LINE_COLUMN       = "KEEP_LINE_COLUMN";
    private static final String JDK_VERSION            = "JDK_VERSION";

    private final Hashtable optionalAttrs = new Hashtable();

    // required attributes
    private File outputDirectory = null;
    private File targetFile      = null;
    private File javaccHome      = null;

    private CommandlineJava cmdl = new CommandlineJava();

    protected static final int TASKDEF_TYPE_JAVACC = 1;
    protected static final int TASKDEF_TYPE_JJTREE = 2;
    protected static final int TASKDEF_TYPE_JJDOC = 3;

    protected static final String[] ARCHIVE_LOCATIONS =
        new String[] {
            "JavaCC.zip",
            "bin/lib/JavaCC.zip",
            "bin/lib/javacc.jar",
            "javacc.jar", // used by jpackage for JavaCC 3.x
        };

    protected static final int[] ARCHIVE_LOCATIONS_VS_MAJOR_VERSION =
        new int[] {
            1,
            2,
            3,
            3,
        };

    protected static final String COM_PACKAGE = "COM.sun.labs.";
    protected static final String COM_JAVACC_CLASS = "javacc.Main";
    protected static final String COM_JJTREE_CLASS = "jjtree.Main";
    protected static final String COM_JJDOC_CLASS = "jjdoc.JJDocMain";

    protected static final String ORG_PACKAGE_3_0 = "org.netbeans.javacc.";
    protected static final String ORG_PACKAGE_3_1 = "org.javacc.";
    protected static final String ORG_JAVACC_CLASS = "parser.Main";
    protected static final String ORG_JJTREE_CLASS = COM_JJTREE_CLASS;
    protected static final String ORG_JJDOC_CLASS = COM_JJDOC_CLASS;

    /**
     * Sets the LOOKAHEAD grammar option.
     * @param lookahead an <code>int</code> value.
     */
    public void setLookahead(int lookahead) {
        optionalAttrs.put(LOOKAHEAD, new Integer(lookahead));
    }

    /**
     * Sets the CHOICE_AMBIGUITY_CHECK grammar option.
     * @param choiceAmbiguityCheck an <code>int</code> value.
     */
    public void setChoiceambiguitycheck(int choiceAmbiguityCheck) {
        optionalAttrs.put(CHOICE_AMBIGUITY_CHECK, new Integer(choiceAmbiguityCheck));
    }

    /**
     * Sets the OTHER_AMBIGUITY_CHECK grammar option.
     * @param otherAmbiguityCheck an <code>int</code> value.
     */
    public void setOtherambiguityCheck(int otherAmbiguityCheck) {
        optionalAttrs.put(OTHER_AMBIGUITY_CHECK, new Integer(otherAmbiguityCheck));
    }

    /**
     * Sets the STATIC grammar option.
     * @param staticParser a <code>boolean</code> value.
     */
    public void setStatic(boolean staticParser) {
        optionalAttrs.put(STATIC, staticParser ? Boolean.TRUE : Boolean.FALSE);
    }

    /**
     * Sets the DEBUG_PARSER grammar option.
     * @param debugParser a <code>boolean</code> value.
     */
    public void setDebugparser(boolean debugParser) {
        optionalAttrs.put(DEBUG_PARSER, debugParser ? Boolean.TRUE : Boolean.FALSE);
    }

    /**
     * Sets the DEBUG_LOOKAHEAD grammar option.
     * @param debugLookahead a <code>boolean</code> value.
     */
    public void setDebuglookahead(boolean debugLookahead) {
        optionalAttrs.put(DEBUG_LOOKAHEAD, debugLookahead ? Boolean.TRUE : Boolean.FALSE);
    }

    /**
     * Sets the DEBUG_TOKEN_MANAGER grammar option.
     * @param debugTokenManager a <code>boolean</code> value.
     */
    public void setDebugtokenmanager(boolean debugTokenManager) {
        optionalAttrs.put(DEBUG_TOKEN_MANAGER, debugTokenManager ? Boolean.TRUE : Boolean.FALSE);
    }

    /**
     * Sets the OPTIMIZE_TOKEN_MANAGER grammar option.
     * @param optimizeTokenManager a <code>boolean</code> value.
     */
    public void setOptimizetokenmanager(boolean optimizeTokenManager) {
        optionalAttrs.put(OPTIMIZE_TOKEN_MANAGER,
                          optimizeTokenManager ? Boolean.TRUE : Boolean.FALSE);
    }

    /**
     * Sets the ERROR_REPORTING grammar option.
     * @param errorReporting a <code>boolean</code> value.
     */
    public void setErrorreporting(boolean errorReporting) {
        optionalAttrs.put(ERROR_REPORTING, errorReporting ? Boolean.TRUE : Boolean.FALSE);
    }

    /**
     * Sets the JAVA_UNICODE_ESCAPE grammar option.
     * @param javaUnicodeEscape a <code>boolean</code> value.
     */
    public void setJavaunicodeescape(boolean javaUnicodeEscape) {
        optionalAttrs.put(JAVA_UNICODE_ESCAPE, javaUnicodeEscape ? Boolean.TRUE : Boolean.FALSE);
    }

    /**
     * Sets the UNICODE_INPUT grammar option.
     * @param unicodeInput a <code>boolean</code> value.
     */
    public void setUnicodeinput(boolean unicodeInput) {
        optionalAttrs.put(UNICODE_INPUT, unicodeInput ? Boolean.TRUE : Boolean.FALSE);
    }

    /**
     * Sets the IGNORE_CASE grammar option.
     * @param ignoreCase a <code>boolean</code> value.
     */
    public void setIgnorecase(boolean ignoreCase) {
        optionalAttrs.put(IGNORE_CASE, ignoreCase ? Boolean.TRUE : Boolean.FALSE);
    }

    /**
     * Sets the COMMON_TOKEN_ACTION grammar option.
     * @param commonTokenAction a <code>boolean</code> value.
     */
    public void setCommontokenaction(boolean commonTokenAction) {
        optionalAttrs.put(COMMON_TOKEN_ACTION, commonTokenAction ? Boolean.TRUE : Boolean.FALSE);
    }

    /**
     * Sets the USER_TOKEN_MANAGER grammar option.
     * @param userTokenManager a <code>boolean</code> value.
     */
    public void setUsertokenmanager(boolean userTokenManager) {
        optionalAttrs.put(USER_TOKEN_MANAGER, userTokenManager ? Boolean.TRUE : Boolean.FALSE);
    }

    /**
     * Sets the USER_CHAR_STREAM grammar option.
     * @param userCharStream a <code>boolean</code> value.
     */
    public void setUsercharstream(boolean userCharStream) {
        optionalAttrs.put(USER_CHAR_STREAM, userCharStream ? Boolean.TRUE : Boolean.FALSE);
    }

    /**
     * Sets the BUILD_PARSER grammar option.
     * @param buildParser a <code>boolean</code> value.
     */
    public void setBuildparser(boolean buildParser) {
        optionalAttrs.put(BUILD_PARSER, buildParser ? Boolean.TRUE : Boolean.FALSE);
    }

    /**
     * Sets the BUILD_TOKEN_MANAGER grammar option.
     * @param buildTokenManager a <code>boolean</code> value.
     */
    public void setBuildtokenmanager(boolean buildTokenManager) {
        optionalAttrs.put(BUILD_TOKEN_MANAGER, buildTokenManager ? Boolean.TRUE : Boolean.FALSE);
    }

    /**
     * Sets the SANITY_CHECK grammar option.
     * @param sanityCheck a <code>boolean</code> value.
     */
    public void setSanitycheck(boolean sanityCheck) {
        optionalAttrs.put(SANITY_CHECK, sanityCheck ? Boolean.TRUE : Boolean.FALSE);
    }

    /**
     * Sets the FORCE_LA_CHECK grammar option.
     * @param forceLACheck a <code>boolean</code> value.
     */
    public void setForcelacheck(boolean forceLACheck) {
        optionalAttrs.put(FORCE_LA_CHECK, forceLACheck ? Boolean.TRUE : Boolean.FALSE);
    }

    /**
     * Sets the CACHE_TOKENS grammar option.
     * @param cacheTokens a <code>boolean</code> value.
     */
    public void setCachetokens(boolean cacheTokens) {
        optionalAttrs.put(CACHE_TOKENS, cacheTokens ? Boolean.TRUE : Boolean.FALSE);
    }

    /**
     * Sets the KEEP_LINE_COLUMN grammar option.
     * @param keepLineColumn a <code>boolean</code> value.
     */
    public void setKeeplinecolumn(boolean keepLineColumn) {
        optionalAttrs.put(KEEP_LINE_COLUMN, keepLineColumn ? Boolean.TRUE : Boolean.FALSE);
    }

    /**
     * Sets the JDK_VERSION option.
     * @param jdkVersion the version to use.
     * @since Ant1.7