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Posted to dev@ant.apache.org by bu...@apache.org on 2003/08/08 11:27:42 UTC
DO NOT REPLY [Bug 22243] New: -
Changes in JavaCC task
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=22243
Changes in JavaCC task
Summary: Changes in JavaCC task
Product: Ant
Version: 1.5.3
Platform: All
OS/Version: All
Status: NEW
Severity: Normal
Priority: Other
Component: Optional Tasks
AssignedTo: dev@ant.apache.org
ReportedBy: darek@rodan.pl
Hi,
In order to be able use the JavaCC 3.0. I have modified code of JavaCC task. I
have attached modified code below.
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "Ant" and "Apache Software
* Foundation" must not be used to endorse or promote products derived
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* permission, please contact apache@apache.org.
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* nor may "Apache" appear in their names without prior written
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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package org.apache.tools.ant.taskdefs.optional.javacc;
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;
import java.io.File;
import java.util.Hashtable;
import java.util.Enumeration;
/**
* JavaCC compiler compiler task.
*
* @author thomas.haas@softwired-inc.com
* @author Michael Saunders <a
href="mailto:michael@amtec.com">michael@amtec.com</a>
* @author Dariusz Tyszka <a href="mailto:darek@rodan.pl">darek@rodan.pl</a>
*/
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 final Hashtable optionalAttrs = new Hashtable();
// required attributes
private File outputDirectory = null;
private File target = null;
private File javaccHome = null;
private CommandlineJava cmdl = new CommandlineJava();
/**
* Sets the LOOKAHEAD grammar option.
*/
public void setLookahead(int lookahead) {
optionalAttrs.put(LOOKAHEAD, new Integer(lookahead));
}
/**
* Sets the CHOICE_AMBIGUITY_CHECK grammar option.
*/
public void setChoiceambiguitycheck(int choiceAmbiguityCheck) {
optionalAttrs.put(CHOICE_AMBIGUITY_CHECK, new Integer
(choiceAmbiguityCheck));
}
/**
* Sets the OTHER_AMBIGUITY_CHECK grammar option.
*/
public void setOtherambiguityCheck(int otherAmbiguityCheck) {
optionalAttrs.put(OTHER_AMBIGUITY_CHECK, new Integer
(otherAmbiguityCheck));
}
/**
* Sets the STATIC grammar option.
*/
public void setStatic(boolean staticParser) {
optionalAttrs.put(STATIC, new Boolean(staticParser));
}
/**
* Sets the DEBUG_PARSER grammar option.
*/
public void setDebugparser(boolean debugParser) {
optionalAttrs.put(DEBUG_PARSER, new Boolean(debugParser));
}
/**
* Sets the DEBUG_LOOKAHEAD grammar option.
*/
public void setDebuglookahead(boolean debugLookahead) {
optionalAttrs.put(DEBUG_LOOKAHEAD, new Boolean(debugLookahead));
}
/**
* Sets the DEBUG_TOKEN_MANAGER grammar option.
*/
public void setDebugtokenmanager(boolean debugTokenManager) {
optionalAttrs.put(DEBUG_TOKEN_MANAGER, new Boolean(debugTokenManager));
}
/**
* Sets the OPTIMIZE_TOKEN_MANAGER grammar option.
*/
public void setOptimizetokenmanager(boolean optimizeTokenManager) {
optionalAttrs.put(OPTIMIZE_TOKEN_MANAGER, new Boolean
(optimizeTokenManager));
}
/**
* Sets the ERROR_REPORTING grammar option.
*/
public void setErrorreporting(boolean errorReporting) {
optionalAttrs.put(ERROR_REPORTING, new Boolean(errorReporting));
}
/**
* Sets the JAVA_UNICODE_ESCAPE grammar option.
*/
public void setJavaunicodeescape(boolean javaUnicodeEscape) {
optionalAttrs.put(JAVA_UNICODE_ESCAPE, new Boolean(javaUnicodeEscape));
}
/**
* Sets the UNICODE_INPUT grammar option.
*/
public void setUnicodeinput(boolean unicodeInput) {
optionalAttrs.put(UNICODE_INPUT, new Boolean(unicodeInput));
}
/**
* Sets the IGNORE_CASE grammar option.
*/
public void setIgnorecase(boolean ignoreCase) {
optionalAttrs.put(IGNORE_CASE, new Boolean(ignoreCase));
}
/**
* Sets the COMMON_TOKEN_ACTION grammar option.
*/
public void setCommontokenaction(boolean commonTokenAction) {
optionalAttrs.put(COMMON_TOKEN_ACTION, new Boolean(commonTokenAction));
}
/**
* Sets the USER_TOKEN_MANAGER grammar option.
*/
public void setUsertokenmanager(boolean userTokenManager) {
optionalAttrs.put(USER_TOKEN_MANAGER, new Boolean(userTokenManager));
}
/**
* Sets the USER_CHAR_STREAM grammar option.
*/
public void setUsercharstream(boolean userCharStream) {
optionalAttrs.put(USER_CHAR_STREAM, new Boolean(userCharStream));
}
/**
* Sets the BUILD_PARSER grammar option.
*/
public void setBuildparser(boolean buildParser) {
optionalAttrs.put(BUILD_PARSER, new Boolean(buildParser));
}
/**
* Sets the BUILD_TOKEN_MANAGER grammar option.
*/
public void setBuildtokenmanager(boolean buildTokenManager) {
optionalAttrs.put(BUILD_TOKEN_MANAGER, new Boolean(buildTokenManager));
}
/**
* Sets the SANITY_CHECK grammar option.
*/
public void setSanitycheck(boolean sanityCheck) {
optionalAttrs.put(SANITY_CHECK, new Boolean(sanityCheck));
}
/**
* Sets the FORCE_LA_CHECK grammar option.
*/
public void setForcelacheck(boolean forceLACheck) {
optionalAttrs.put(FORCE_LA_CHECK, new Boolean(forceLACheck));
}
/**
* Sets the CACHE_TOKENS grammar option.
*/
public void setCachetokens(boolean cacheTokens) {
optionalAttrs.put(CACHE_TOKENS, new Boolean(cacheTokens));
}
/**
* The directory to write the generated files to.
* If not set, the files are written to the directory
* containing the grammar file.
*/
public void setOutputdirectory(File outputDirectory) {
this.outputDirectory = outputDirectory;
}
/**
* The grammar file to process.
*/
public void setTarget(File target) {
this.target = target;
}
/**
* The directory containing the JavaCC distribution.
*/
public void setJavacchome(File javaccHome) {
this.javaccHome = javaccHome;
}
public JavaCC() {
cmdl.setVm(JavaEnvUtils.getJreExecutable("java"));
// Added by DT
try {
Class.forName("COM.sun.labs.javacc.Main");
cmdl.setClassname("COM.sun.labs.javacc.Main");
} catch (ClassNotFoundException e) {
cmdl.setClassname("org.netbeans.javacc.parser.Main");
} catch (Exception e) {
e.printStackTrace();
}
}
public void execute() throws BuildException {
// load command line with optional attributes
Enumeration iter = optionalAttrs.keys();
while (iter.hasMoreElements()) {
String name = (String) iter.nextElement();
Object value = optionalAttrs.get(name);
cmdl.createArgument().setValue("-" + name + ":" + value.toString());
}
// check the target is a file
if (target == null || !target.isFile()) {
throw new BuildException("Invalid target: " + target);
}
// use the directory containing the target as the output directory
if (outputDirectory == null) {
outputDirectory = new File(target.getParent());
} else if (!outputDirectory.isDirectory()) {
throw new BuildException("Outputdir not a directory.");
}
cmdl.createArgument().setValue("-OUTPUT_DIRECTORY:"
+ outputDirectory.getAbsolutePath());
// determine if the generated java file is up-to-date
final File javaFile = getOutputJavaFile(outputDirectory, target);
if (javaFile.exists() && target.lastModified() < javaFile.lastModified
()) {
log("Target is already built - skipping (" + target + ")",
Project.MSG_VERBOSE);
return;
}
cmdl.createArgument().setValue(target.getAbsolutePath());
final Path classpath = cmdl.createClasspath(project);
final File javaccJar = JavaCC.getArchiveFile(javaccHome);
classpath.createPathElement().setPath(javaccJar.getAbsolutePath());
classpath.addJavaRuntime();
final Commandline.Argument arg = cmdl.createVmArgument();
arg.setValue("-mx140M");
arg.setValue("-Dinstall.root=" + javaccHome.getAbsolutePath());
Execute.runCommand(this, cmdl.getCommandline());
}
/**
* Helper class to retrieve the path used to store the JavaCC.zip which is
* different from versions.
* @param home the javacc home path directory.
* @throws BuildException thrown if the home directory is invalid or if the
archive
* could not be found despite attemps to do so.
* @return the file object pointing to the JavaCC archive.
*/
protected static File getArchiveFile(File home) throws BuildException {
if (home == null || !home.isDirectory()) {
throw new BuildException("JavaCC home must be a valid directory.");
}
// javacc prior to 2.0
File f = new File(home, "JavaCC.zip");
if (f.exists()){
return f;
}
// javacc install 2.0+
f = new File(home, "bin/lib/JavaCC.zip");
if (f.exists()){
return f;
}
// Added by DT
// javacc install 3.0+
f = new File(home, "bin/lib/javacc.jar");
if (f.exists()){
return f;
}
throw new BuildException("Could not find a path to JavaCC.zip or
javacc.jar from '" + home + "'.");
}
/**
* Determines the output Java file to be generated by the given grammar
* file.
*
*/
private File getOutputJavaFile(File outputdir, File srcfile) {
String path = srcfile.getPath();
// Extract file's base-name
int startBasename = path.lastIndexOf(File.separator);
if (startBasename != -1) {
path = path.substring(startBasename + 1);
}
// Replace the file's extension with '.java'
int startExtn = path.lastIndexOf('.');
if (startExtn != -1) {
path = path.substring(0, startExtn) + ".java";
} else {
path += ".java";
}
// Change the directory
if (outputdir != null) {
path = outputdir + File.separator + path;
}
return new File(path);
}
}
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