diff --git a/WHATSNEW b/WHATSNEW index 7624549a1..a1e79f96d 100644 --- a/WHATSNEW +++ b/WHATSNEW @@ -136,7 +136,8 @@ Other changes: per . * Two new supported compilers for javac: kjc for kopi and gcj for the - gcc frontend. + gcc frontend. In addition extJavac or the new fork attribute can be + used to run the JDK's javac in a JVM separate from Ant. * can now with CR only line-ends and can use an arbitraty between 2 and 80. diff --git a/docs/manual/CoreTasks/javac.html b/docs/manual/CoreTasks/javac.html index 8901033f5..5061f681d 100644 --- a/docs/manual/CoreTasks/javac.html +++ b/docs/manual/CoreTasks/javac.html @@ -41,13 +41,17 @@ inclusion/exclusion of files works, and how to write patterns.

  • kjc (the kopi compiler)
  • gcj (the gcj compiler from gcc)
  • +
  • extJavac (run either modern or classic in a JVM of its own)
  • -

    For JDK 1.1/1.2, classic is the default. For JDK 1.3, modern is the default. +

    For JDK 1.1/1.2, classic is the default. For JDK 1.3/1.4, modern is the default. If you wish to use a different compiler interface than one of the four supplied, write a class that implements the CompilerAdapter interface (package org.apache.tools.ant.taskdefs.compilers). Supply the full classname in the "build.compiler" property.

    +

    The fork attribute overrides the build.compiler setting and expects +a JDK1.1 or higher to be set in java.home. +

    This task will drop all entries that point to non-existant files/directories from the CLASSPATH it passes to the compiler.

    Parameters

    @@ -176,6 +180,12 @@ files/directories from the CLASSPATH it passes to the compiler.

    libraries from the executing VM; defaults to no. No + + fork + whether to execute Javac using the JDK compiler externally; + defaults to no. + No + failonerror indicates whether the build will continue even if there are compilation errors; defaults to true. diff --git a/src/main/org/apache/tools/ant/taskdefs/Javac.java b/src/main/org/apache/tools/ant/taskdefs/Javac.java index f648bc0ab..b4584729f 100644 --- a/src/main/org/apache/tools/ant/taskdefs/Javac.java +++ b/src/main/org/apache/tools/ant/taskdefs/Javac.java @@ -114,6 +114,7 @@ public class Javac extends MatchingTask { private Path extdirs; private boolean includeAntRuntime = true; private boolean includeJavaRuntime = false; + private boolean fork = false; protected boolean failOnError = true; protected File[] compileList = new File[0]; @@ -400,6 +401,15 @@ public class Javac extends MatchingTask { return includeJavaRuntime; } + /** + * Sets whether to fork the javac compiler. + */ + public void setFork(boolean fork) + { + this.fork = fork; + } + + /** * Executes the task. */ @@ -437,7 +447,15 @@ public class Javac extends MatchingTask { // compile the source files String compiler = project.getProperty("build.compiler"); - if (compiler == null) { + + if (fork) { + if (compiler != null) { + log("Since fork is true, ignoring build.compiler setting.", Project.MSG_WARN); + } + compiler = "extJavac"; + } + + if (compiler == null) { if (Project.getJavaVersion() != Project.JAVA_1_1 && Project.getJavaVersion() != Project.JAVA_1_2) { compiler = "modern"; diff --git a/src/main/org/apache/tools/ant/taskdefs/compilers/CompilerAdapterFactory.java b/src/main/org/apache/tools/ant/taskdefs/compilers/CompilerAdapterFactory.java index 661acc0cc..4ba345010 100644 --- a/src/main/org/apache/tools/ant/taskdefs/compilers/CompilerAdapterFactory.java +++ b/src/main/org/apache/tools/ant/taskdefs/compilers/CompilerAdapterFactory.java @@ -100,6 +100,9 @@ public class CompilerAdapterFactory { if ( compilerType.equalsIgnoreCase("jikes") ) { return new Jikes(); } + if ( compilerType.equalsIgnoreCase("extJavac") ) { + return new JavacExternal(); + } if ( compilerType.equalsIgnoreCase("classic") || compilerType.equalsIgnoreCase("javac1.1") || compilerType.equalsIgnoreCase("javac1.2")) { diff --git a/src/main/org/apache/tools/ant/taskdefs/compilers/DefaultCompilerAdapter.java b/src/main/org/apache/tools/ant/taskdefs/compilers/DefaultCompilerAdapter.java index a41901222..708379eb5 100644 --- a/src/main/org/apache/tools/ant/taskdefs/compilers/DefaultCompilerAdapter.java +++ b/src/main/org/apache/tools/ant/taskdefs/compilers/DefaultCompilerAdapter.java @@ -201,10 +201,9 @@ public abstract class DefaultCompilerAdapter implements CompilerAdapter { /** * Does the command line argument processing common to classic and - * modern. + * modern. Doesn't add the files to compile. */ - protected Commandline setupJavacCommand() { - Commandline cmd = new Commandline(); + protected Commandline setupJavacCommandlineSwitches(Commandline cmd) { Path classpath = getCompileClasspath(); if (deprecation == true) { @@ -280,7 +279,16 @@ public abstract class DefaultCompilerAdapter implements CompilerAdapter { if (verbose) { cmd.createArgument().setValue("-verbose"); } + return cmd; + } + /** + * Does the command line argument processing common to classic and + * modern and adds the files to compile as well. + */ + protected Commandline setupJavacCommand() { + Commandline cmd = new Commandline(); + setupJavacCommandlineSwitches(cmd); logAndAddFilesToCompile(cmd); return cmd; } diff --git a/src/main/org/apache/tools/ant/taskdefs/compilers/JavacExternal.java b/src/main/org/apache/tools/ant/taskdefs/compilers/JavacExternal.java new file mode 100644 index 000000000..d15709a63 --- /dev/null +++ b/src/main/org/apache/tools/ant/taskdefs/compilers/JavacExternal.java @@ -0,0 +1,82 @@ +/* + * The Apache Software License, Version 1.1 + * + * Copyright (c) 2001 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", "Ant", 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 + * . + */ + +package org.apache.tools.ant.taskdefs.compilers; + +import org.apache.tools.ant.BuildException; +import org.apache.tools.ant.Project; +import org.apache.tools.ant.types.*; + +/** + * Performs a compile using javac externally. + * + * @author Brian Deitte + */ +public class JavacExternal extends DefaultCompilerAdapter { + + /** + * Performs a compile using the Javac externally. + */ + public boolean execute() throws BuildException { + attributes.log("Using external javac compiler", Project.MSG_VERBOSE); + + Commandline cmd = new Commandline(); + setupJavacCommandlineSwitches(cmd); + int firstFileName = cmd.size(); + logAndAddFilesToCompile(cmd); + + return executeExternalCompile(cmd.getCommandline(), firstFileName) == 0; + } +} +