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From bode...@locus.apache.org
Subject cvs commit: jakarta-ant/src/main/org/apache/tools/ant/taskdefs/optional/javacc JavaCC.java
Date Wed, 19 Jul 2000 13:02:43 GMT
bodewig     00/07/19 06:02:43

  Added:       src/main/org/apache/tools/ant/taskdefs/optional/javacc
                        JavaCC.java
  Log:
  JavaCC task.
  Submitted by:	Thomas Haas <thomas.haas@softwired-inc.com>
  
  Revision  Changes    Path
  1.1                  jakarta-ant/src/main/org/apache/tools/ant/taskdefs/optional/javacc/JavaCC.java
  
  Index: JavaCC.java
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2000 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 "The Jakarta Project", "Tomcat", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Group.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * 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
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  package org.apache.tools.ant.taskdefs.optional.javacc;
  
  import org.apache.tools.ant.*;
  import org.apache.tools.ant.taskdefs.*;
  import org.apache.tools.ant.types.Commandline;
  import org.apache.tools.ant.types.CommandlineJava;
  
  import java.io.File;
  import java.io.IOException;
  
  /*
   *
   * @author thomas.haas@softwired-inc.com
   */
  public class JavaCC extends Task {
  
      private Path userclasspath = new Path();
      private File metahome = null;
      private File metaworkingdir = null;
      private File target = null;
      private boolean cleanupHack = false;
      private CommandlineJava cmdl = new CommandlineJava();
  
  
      public void setMetamatahome(File metamatahome) {
          this.metahome = metamatahome;
      }
  
      public void setWorkingdir(File workingdir) {
          this.metaworkingdir = workingdir;
      }
  
      public void setTarget(File target) {
          this.target = target;
      }
  
      public Path createUserclasspath() {
          return userclasspath;
      }
  
  
      public void setCleanupHack(boolean value) {
          cleanupHack = value;
      }
  
      public JavaCC() {
          cmdl.setVm("java");
          cmdl.setClassname("com.metamata.jj.MParse");
      }
  
  
      public void execute() throws BuildException {
  
          if (target == null || !target.isFile()) {
              throw new BuildException("Invalid target: " + target);
          }
          final File javaFile = new File(target.toString().substring(0,
                                                                     target.toString().indexOf(".jj"))
+ ".java");
          if (javaFile.exists() && target.lastModified() < javaFile.lastModified())
{
              project.log("Target is already build - skipping (" + target + ")");
              return;
          }
          cmdl.createArgument().setValue(target.getAbsolutePath());
  
          if (metahome == null || !metahome.isDirectory()) {
              throw new BuildException("Metamatahome not valid.");
          }
          if (metaworkingdir == null || !metaworkingdir.isDirectory()) {
              throw new BuildException("Workingdir not set.");
          }
          if (userclasspath == null) {
              throw new BuildException("Userclasspath not set.");
          }
  
          final Path classpath = cmdl.createClasspath();
          classpath.createPathElement().setLocation(metahome.getAbsolutePath() + "/lib/metamatadebug.jar");
          classpath.createPathElement().setLocation(metahome.getAbsolutePath() + "/lib/metamata.jar");
          classpath.createPathElement().setLocation(metahome.getAbsolutePath() + "/lib/JavaCC.zip");
  
          final Commandline.Argument arg = cmdl.createVmArgument();
          arg.setValue("-mx140M");
          arg.setValue("-Dmwp=" + metaworkingdir.getAbsolutePath());
          arg.setValue("-Dmetamata.home=" + metahome.getAbsolutePath());
          arg.setValue("-Dmetamata.java=java");
          arg.setValue("-Dmetamata.java.options=-mx140M");
          arg.setValue("-Dmetamata.java.options.classpath=-classpath");
          arg.setValue("-Dmetamata.java.compiler=javac");
          arg.setValue("-Dmetamata.java.compiler.options.0=-J-mx64M");
          arg.setValue("-Dmetamata.java.compiler.options.classpath=-classpath");
          arg.setValue("-Dmetamata.language=en");
          arg.setValue("-Dmetamata.country=US");
          arg.setValue("-Dmetamata.classpath=" + userclasspath);
  
          final Execute process = new Execute(new LogStreamHandler(this,
                                                                   Project.MSG_INFO,
                                                                   Project.MSG_INFO), null);
          log(cmdl.toString(), Project.MSG_VERBOSE);
          process.setCommandline(cmdl.getCommandline());
  
          try {
              try {
                  if (process.execute() != 0) {
                      throw new BuildException("JavaCC failed.");
                  }
              } finally {
                  if (cleanupHack) {
                      final File oo393 = new File(javaFile.getParentFile(),
                                                  "OO393.class");
                      if (oo393.exists()) {
                          project.log("Removing stale file: " + oo393.getName());
                          oo393.delete();
                      }
                      final File sunjj = new File(javaFile.getParentFile(),
                                                  "__jj" + javaFile.getName().substring(0,
                                                                                        javaFile.getName().indexOf(".java"))
+ ".sunjj");
                      if (sunjj.exists()) {
                          project.log("Removing stale file: " + sunjj.getName());
                          sunjj.delete();
                      }
                  }
              }
          }
          catch (IOException e) {
              throw new BuildException("Failed to launch JavaCC: " + e);
          }
      }
  
  }
  
  
  

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