Support for kopi and gcc implementations of <javac>.

PR: 2476
Submitted by:	Takashi Okamoto <tora@debian.org>


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@269434 13f79535-47bb-0310-9956-ffa450edef68

WHATSNEW

@@ -135,6 +135,9 @@ Other changes:
   elements - using these you can have more than one in/excludes file
   per <patternset>. 
 
+* Two new supported compilers for javac: kjc for kopi and gcj for the
+  gcc frontend.
+
 Fixed bugs:
 -----------
 

docs/manual/CoreTasks/javac.html

@@ -38,6 +38,9 @@ inclusion/exclusion of files works, and how to write patterns.</p>
     compiler)</li>
   <li>jvc (the Command-Line Compiler from Microsoft's SDK for Java /
     Visual J++)</li>
+  <li>kjc (the <a href="http://www.dms.at/kopi/" target="_top">kopi</a>
+    compiler)</li>
+  <li>gcj (the gcj compiler from gcc)</li>
 </ul>
 <p>For JDK 1.1/1.2, classic is the default. For JDK 1.3, modern is the default.
 If you wish to use a different compiler interface than one of the four
@@ -123,7 +126,8 @@ files/directories from the CLASSPATH it passes to the compiler.</p>
   </tr>
   <tr>
     <td valign="top">encoding</td>
-    <td valign="top">encoding of source files.</td>
+    <td valign="top">encoding of source files. (gcj doesn't support
+      this option yet)</td>
     <td align="center" valign="top">No</td>
   </tr>
   <tr>

src/main/org/apache/tools/ant/taskdefs/compilers/CompilerAdapterFactory.java

@@ -80,6 +80,8 @@ public class CompilerAdapterFactory {
      * <li>modern, javac1.3 = the new compiler of JDK 1.3
      * <li>jvc, microsoft = the command line compiler from Microsoft's SDK
      * for Java / Visual J++
+     * <li>kjc = the kopi compiler</li>
+     * <li>gcj = the gcj compiler from gcc</li>
      * <li><i>a fully quallified classname</i> = the name of a compiler
      * adapter
      * </ul>
@@ -119,6 +121,12 @@ public class CompilerAdapterFactory {
                     compilerType.equalsIgnoreCase("microsoft")) {
                 return new Jvc();
             }
+            if ( compilerType.equalsIgnoreCase("kjc") ) {
+                return new Kjc();
+            }
+            if ( compilerType.equalsIgnoreCase("gcj") ) {
+                return new Gcj();
+            }
             return resolveClassName( compilerType );
         }
 

src/main/org/apache/tools/ant/taskdefs/compilers/Gcj.java

@@ -0,0 +1,141 @@
+/*
+ * 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
+ * <http://www.apache.org/>.
+ */
+
+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.*;
+import java.io.File;
+
+/**
+ * The implementation of the gcj compiler.
+ * This is primarily a cut-and-paste from the jikes.
+ *
+ * @author <a href="mailto:tora@debian.org">Takashi Okamoto</a>
+ */
+public class Gcj extends DefaultCompilerAdapter {
+
+    /**
+     * Performs a compile using the gcj compiler.
+     *  
+     * @author tora@debian.org
+     */
+    public boolean execute() throws BuildException {
+	Commandline cmd;
+        attributes.log("Using gcj compiler", Project.MSG_VERBOSE);
+	cmd = setupGCJCommand();
+
+        int firstFileName = cmd.size();
+        logAndAddFilesToCompile(cmd);
+
+        return executeExternalCompile(cmd.getCommandline(), firstFileName) == 0;
+    }
+
+    protected Commandline setupGCJCommand() {
+        Commandline cmd = new Commandline();
+        Path classpath = new Path(project);
+
+        // gcj doesn't support bootclasspath dir (-bootclasspath)
+        // so we'll emulate it for compatibility and convenience.
+        if (bootclasspath != null) {
+            classpath.append(bootclasspath);
+        }
+
+        // gcj doesn't support an extension dir (-extdir)
+        // so we'll emulate it for compatibility and convenience.
+        addExtdirsToClasspath(classpath);
+
+        if ( (bootclasspath == null) || (bootclasspath.size() == 0) ) {
+            // no bootclasspath, therefore, get one from the java runtime
+            includeJavaRuntime = true;
+        }
+        classpath.append(getCompileClasspath());
+
+        // Gcj has no option for source-path so we
+        // will add it to classpath.
+        classpath.append(src);
+
+        cmd.setExecutable("gcj");
+
+        if (destDir != null) {
+            cmd.createArgument().setValue("-d");
+            cmd.createArgument().setFile(destDir);
+	    
+	    if(destDir.mkdirs()){
+                throw new BuildException("Can't make output directories. Maybe permission is wrong. ");
+	    };
+        }
+        
+        cmd.createArgument().setValue("-classpath");
+        cmd.createArgument().setPath(classpath);
+
+        if (encoding != null) {
+            attributes.log("gcj doesn't support -encoding option.",
+                           Project.MSG_WARN);
+        }
+        if (debug) {
+            cmd.createArgument().setValue("-g1");
+        }
+        if (optimize) {
+            cmd.createArgument().setValue("-O");
+        }
+
+	/**
+	 *  gcj should be set for generate class.
+         */
+        cmd.createArgument().setValue("-C");
+	return cmd;
+    }
+}

src/main/org/apache/tools/ant/taskdefs/compilers/Kjc.java

@@ -0,0 +1,164 @@
+/*
+ * 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
+ * <http://www.apache.org/>.
+ */
+
+package org.apache.tools.ant.taskdefs.compilers;
+
+import org.apache.tools.ant.BuildException;
+import org.apache.tools.ant.Project;
+import org.apache.tools.ant.taskdefs.LogOutputStream;
+import org.apache.tools.ant.types.Commandline;
+import org.apache.tools.ant.types.Path;
+
+import java.io.*;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Method;
+
+/**
+ * The implementation of the Java compiler for KJC.
+ * This is primarily a cut-and-paste from Jikes.java and
+ * DefaultCompilerAdapter.
+ *
+ * @author <a href="mailto:tora@debian.org">Takashi Okamoto</a> + */
+public class Kjc extends DefaultCompilerAdapter {
+
+    public boolean execute() throws BuildException {
+        attributes.log("Using kjc compiler", Project.MSG_VERBOSE);
+        Commandline cmd = setupKjcCommand();
+
+        try {
+            Class c = Class.forName("at.dms.kjc.Main");
+
+            // Call the compile() method
+            Method compile = c.getMethod("compile", 
+                                         new Class [] { String [].class });
+            Boolean ok = (Boolean)compile.invoke(null, 
+                                                 new Object[] {cmd.getArguments()});
+            return ok.booleanValue();
+        }
+        catch (ClassNotFoundException ex) {
+            throw new BuildException("Cannot use kjc compiler, as it is not available"+
+                                     " A common solution is to set the environment variable"+
+                                     " CLASSPATH to your kjc archive (kjc.jar).", location);
+        }
+        catch (Exception ex) {
+            if (ex instanceof BuildException) {
+                throw (BuildException) ex;
+            } else {
+                throw new BuildException("Error starting kjc compiler: ", ex, location);
+            }
+        }
+    }
+
+    /**
+     * setup kjc command arguments.
+     */
+    protected Commandline setupKjcCommand() {
+        Commandline cmd = new Commandline();
+	
+	// generate classpath, because kjc does't support sourcepath.
+        Path classpath = getCompileClasspath();
+
+        if (deprecation == true) {
+            cmd.createArgument().setValue("-deprecation");
+        }
+
+        if (destDir != null) {
+            cmd.createArgument().setValue("-d");
+            cmd.createArgument().setFile(destDir);
+        }
+
+        // generate the clsspath 
+        cmd.createArgument().setValue("-classpath");
+
+	Path cp = new Path(project);
+
+	// kjc don't have bootclasspath option.
+	if (bootclasspath != null) {
+            cp.append(bootclasspath);
+	}
+
+	if (extdirs != null) {
+            addExtdirsToClasspath(cp);
+	}
+
+	cp.append(classpath);
+	cp.append(src);
+
+	cmd.createArgument().setPath(cp);
+
+	// kjc-1.5A doesn't support -encoding option now.
+        // but it will be supported near the feature.
+        if (encoding != null) {
+            cmd.createArgument().setValue("-encoding");
+            cmd.createArgument().setValue(encoding);
+        }
+
+        if (debug) {
+            cmd.createArgument().setValue("-g");
+        }
+
+        if (optimize) {
+            cmd.createArgument().setValue("-O2");
+        }
+
+        if (verbose) {
+            cmd.createArgument().setValue("-verbose");
+        }
+
+        logAndAddFilesToCompile(cmd);
+        return cmd;
+    }
+}
+
+