Mailing-List: contact ant-dev-help@jakarta.apache.org; run by ezmlm
From: "Mike McCune" <mccune@angami.com>
To: <ant-dev@jakarta.apache.org>
Subject: RE: Jikes on Windows NT
Date: Wed, 2 Aug 2000 17:49:08 -0700
Message-ID: <NDBBJKIJJKGAAHCADEKKCEHJCKAA.mccune@angami.com>
MIME-Version: 1.0
Content-Type: multipart/mixed;
	boundary="----=_NextPart_000_0013_01BFFCA9.F51F8760"
Importance: Normal
In-Reply-To: <3988B537.67F5338B@fuzzymagic.com>

This is a multi-part message in MIME format.

------=_NextPart_000_0013_01BFFCA9.F51F8760
Content-Type: text/plain;
	charset="iso-8859-1"
Content-Transfer-Encoding: 7bit

Attached is a patched version of the Javac.java file from the 3.1 release version.  The only changes that I made were to the
doJikesCompile() method.

Mike

-----Original Message-----
From: Sean Brandt [mailto:sean@fuzzymagic.com]
Sent: Wednesday, August 02, 2000 4:57 PM
To: ant-dev@jakarta.apache.org
Subject: Re: Jikes on Windows NT


I'd love a copy of the patch.

Thanks,
    Sean


Mike McCune wrote:

> I found that on my machines here if you tried to compile more than ~380 files jikes wouldn't do anything.  I think this was some
> limitation of the size of the command passed from exec() to jikes.
>
> I wrote a patch to the Javac task to split the list of files (if greater than 300) into smaller chunks and compile them in
batches.
> This may be the same approach that Matt Foemel did but it has been working for my team for almost 6 months now.  I think we are
> using the 3.1 release with my patch worked in.
>
> If anyone wants this patch that I wrote or any more info, let me know,
> Mike
>
> -----Original Message-----
> From: Michael jamison [mailto:mjamison@centrimed.com]
> Sent: Wednesday, August 02, 2000 8:38 AM
> To: 'ant-dev@jakarta.apache.org'
> Subject: RE: Jikes on Windows NT
>
> Here's some output with the -verbose option
>
> Setting project property: java.specification.name -> Java Platform API
> Specification
> Setting project property: awt.toolkit -> sun.awt.windows.WToolkit
> Setting project property: java.version -> 1.2.2
> Setting project property: java.awt.graphicsenv ->
> sun.awt.Win32GraphicsEnvironment
> Setting project property: user.timezone -> America/Denver
> Setting project property: java.specification.version -> 1.2
> Setting project property: java.vm.vendor -> Sun Microsystems Inc.
> Setting project property: java.vm.specification.version -> 1.0
> Setting project property: user.home -> C:\WINNT\Profiles\mjamison
> Setting project property: os.arch -> x86
> Setting project property: java.awt.fonts ->
> Setting project property: java.vendor.url -> http://java.sun.com/
> Setting project property: file.encoding.pkg -> sun.io
> Setting project property: user.region -> US
> Setting project property: java.home -> c:\jdk1.2.2\jre
> Setting project property: java.class.path ->
> c:\work\classes;c:\work\lib\ant.jar;c:\work\classes;c:\jdk1.2.2\lib\tools.ja
> r;c:\work\lib\jaxp.jar;c:\work\lib\parser.jar;c:\work\lib\j2ee.jar
> Setting project property: line.separator ->
>
> Setting project property: java.ext.dirs -> c:\jdk1.2.2\jre\lib\ext
> Setting project property: java.io.tmpdir -> C:\TEMP\
> Setting project property: os.name -> Windows NT
> Setting project property: java.vendor -> Sun Microsystems Inc.
> Setting project property: java.awt.printerjob -> sun.awt.windows.WPrinterJob
> Setting project property: java.library.path ->
> c:\jdk1.2.2\bin;.;C:\WINNT\System32;C:\WINNT;D:\Oracle\Ora81\bin;C:\Program
> Files\Oracle\jre\1.1.7\bin;C:\WINNT\system32;C:\WINNT;D:\Oracle\Ora81\bin;C:
> \Program
> Files\Oracle\jre\1.1.7\bin;C:\WINNT\system32;C:\WINNT;c:\vslick\win;c:\work\
> src\batchfiles;c:\program files\microsoft visual studio\vss\win32
> Setting project property: java.vm.specification.vendor -> Sun Microsystems
> Inc.
> Setting project property: sun.io.unicode.encoding -> UnicodeLittle
> Setting project property: file.encoding -> Cp1252
> Setting project property: java.specification.vendor -> Sun Microsystems Inc.
> Setting project property: user.name -> mjamison
> Setting project property: user.language -> en
> Setting project property: java.vendor.url.bug ->
> http://java.sun.com/cgi-bin/bugreport.cgi
> Setting project property: java.vm.name -> Classic VM
> Setting project property: java.vm.specification.name -> Java Virtual Machine
> Specification
> Setting project property: java.class.version -> 46.0
> Setting project property: sun.boot.library.path -> c:\jdk1.2.2\jre\bin
> Setting project property: os.version -> 4.0
> Setting project property: java.vm.info -> build JDK-1.2.2-001, native
> threads, symcjit
> Setting project property: java.vm.version -> 1.2.2
> Setting project property: java.compiler -> symcjit
> Setting project property: path.separator -> ;
> Setting project property: user.dir -> C:\work\batchfiles\windows
> Setting project property: file.separator -> \
> Setting project property: sun.boot.class.path ->
> c:\jdk1.2.2\jre\lib\rt.jar;c:\jdk1.2.2\jre\lib\i18n.jar;c:\jdk1.2.2\jre\clas
> ses
> Setting ro project property: ant.home -> c:\work\lib
> Setting ro project property: basedir -> c:\work
> Setting ro project property: ant.file -> c:\work\build\build.xml
> Project base dir set to: C:\work
>     ...
>
>     [javac] Compiling 44 source files to C:\work\classes
>     [javac] Using jikes compiler
>     [javac] Dropping from classpath: C:\work\lib\tools.jar
>     [javac] Dropping from classpath: C:\jdk1.2.2\jre\jre\lib\rt.jar
>     [javac] Compilation args: [-Xstdout, -d, C:\work\classes, -classpath,
> C:\work\classes;C:\work\lib\j2ee.jar;C:\jdk1.2
> .2\jre\lib\rt.jar;C:\weblogic\lib\weblogicaux.jar;C:\weblogic\classes;C:\wor
> k\lib\ant.jar;C:\jdk1.2.2\lib\tools.jar;C:\w
> ork\lib\jaxp.jar;C:\work\lib\parser.jar;c:\work\src, -O]
>     [javac] Files to be compiled:
>         ..
>
> jikes.exe is in c:/winnt which is in java.library.path
>
> Mike
>
> -----Original Message-----
> From: Stefan Bodewig [mailto:bodewig@bost.de]
> Sent: Wednesday, August 02, 2000 9:14 AM
> To: ant-dev@jakarta.apache.org
> Subject: Re: Jikes on Windows NT
>
> >>>>> "Mj" == Michael jamison <mjamison@centrimed.com> writes:
>
>  Mj> Any suggestions would be greatly appreciated.
>
> apart from the obvious "ant -verbose" you've probably already tried?
>
> Hmm, how many files are you trying to compile? I've modified a patch
> Matt Foemel had submitted to support a large number of files. Maybe
> I've broken some functionality with this - me modifying the patch, not
> commiting it?
>
> Stefan


------=_NextPart_000_0013_01BFFCA9.F51F8760
Content-Type: application/octet-stream;
	name="Javac.java"
Content-Transfer-Encoding: quoted-printable
Content-Disposition: attachment;
	filename="Javac.java"

/*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 1999 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.
 * =
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
 *
 * 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;

import org.apache.tools.ant.*;

import java.io.*;
import java.util.*;

/**
 * Task to compile Java source files. This task can take the following
 * arguments:
 * <ul>
 * <li>sourcedir
 * <li>destdir
 * <li>deprecation
 * <li>classpath
 * <li>bootclasspath
 * <li>extdirs
 * <li>optimize
 * <li>debug
 * <li>target
 * </ul>
 * Of these arguments, the <b>sourcedir</b> and <b>destdir</b> are =
required.
 * <p>
 * When this task executes, it will recursively scan the sourcedir and
 * destdir looking for Java source files to compile. This task makes its
 * compile decision based on timestamp. Any other file in the
 * sourcedir will be copied to the destdir allowing support files to be
 * located properly in the classpath.
 *
 * @author James Davidson <a =
href=3D"mailto:duncan@x180.com">duncan@x180.com</a>
 */

public class Javac extends MatchingTask {

   =20

    private File srcDir;
    private File destDir;
    private String compileClasspath;
    private boolean debug =3D false;
    private boolean optimize =3D false;
    private boolean deprecation =3D false;
    private boolean filtering =3D false;
    private String target;
    private String bootclasspath;
    private String extdirs;

    protected Vector compileList =3D new Vector();
    protected Hashtable filecopyList =3D new Hashtable();

    /**
     * Set the source dir to find the source Java files.
     */
    public void setSrcdir(String srcDirName) {
        srcDir =3D project.resolveFile(srcDirName);
    }

    /**
     * Set the destination directory into which the Java source
     * files should be compiled.
     */
    public void setDestdir(String destDirName) {
        destDir =3D project.resolveFile(destDirName);
    }

    /**
     * Set the classpath to be used for this compilation.
     */
    public void setClasspath(String classpath) {
        compileClasspath =3D project.translatePath(classpath);
    }

    /**
     * Sets the bootclasspath that will be used to compile the classes
     * against.
     */
    public void setBootclasspath(String bootclasspath) {
        this.bootclasspath =3D project.translatePath(bootclasspath);
    }

    /**
     * Sets the extension directories that will be used during the
     * compilation.
     */
    public void setExtdirs(String extdirs) {
        this.extdirs =3D project.translatePath(extdirs);
    }

    /**
     * Set the deprecation flag.
     */
    public void setDeprecation(String deprecationString) {
        this.deprecation =3D Project.toBoolean(deprecationString);
    }

    /**
     * Set the debug flag.
     */
    public void setDebug(String debugString) {
        this.debug =3D Project.toBoolean(debugString);
    }

    /**
     * Set the optimize flag.
     */
     public void setOptimize(String optimizeString) {
        this.optimize =3D Project.toBoolean(optimizeString);
     }

    /**
     * Sets the target VM that the classes will be compiled for. Valid
     * strings are "1.1", "1.2", and "1.3".
     */
    public void setTarget(String target) {
        this.target =3D target;
    }

    /**
     * Set the filtering flag.
     */
    public void setFiltering(String filter) {
        filtering =3D Project.toBoolean(filter);
    }

    /**
     * Executes the task.
     */
    public void execute() throws BuildException {
        // first off, make sure that we've got a srcdir and destdir

        if (srcDir =3D=3D null) {
            throw new BuildException("srcdir attribute must be set!");
        }
        if (!srcDir.exists()) {
            throw new BuildException("srcdir does not exist!");
        }
        if (destDir =3D=3D null) {
            throw new BuildException("destdir attribute must be set!");
        }

        // scan source and dest dirs to build up both copy lists and
        // compile lists

        DirectoryScanner ds =3D this.getDirectoryScanner(srcDir);

        String[] files =3D ds.getIncludedFiles();

        scanDir(srcDir, destDir, files);

        // compile the source files

        String compiler =3D project.getProperty("build.compiler");
        if (compiler =3D=3D null) {
            if (Project.getJavaVersion().startsWith("1.3")) {
                compiler =3D "modern";
            } else {
                compiler =3D "classic";
            }
        }

        if (compileList.size() > 0) {
            project.log("Compiling " + compileList.size() +
                        " source files to " + destDir);

            if (compiler.equalsIgnoreCase("classic")) {
                doClassicCompile();
            } else if (compiler.equalsIgnoreCase("modern")) {
                doModernCompile();
            } else if (compiler.equalsIgnoreCase("jikes")) {
                doJikesCompile();
            } else {
                String msg =3D "Don't know how to use compiler " + =
compiler;
                throw new BuildException(msg);
            }
        }

        // copy the support files

        if (filecopyList.size() > 0) {
            project.log("Copying " + filecopyList.size() +
                        " support files to " + =
destDir.getAbsolutePath());
            Enumeration enum =3D filecopyList.keys();
            while (enum.hasMoreElements()) {
                String fromFile =3D (String) enum.nextElement();
                String toFile =3D (String) filecopyList.get(fromFile);
                try {
                    project.copyFile(fromFile, toFile, filtering);
                } catch (IOException ioe) {
                    String msg =3D "Failed to copy " + fromFile + " to " =
+ toFile
                        + " due to " + ioe.getMessage();
                    throw new BuildException(msg);
                }
            }
        }
    }

    /**
     * Scans the directory looking for source files to be compiled and
     * support files to be copied.  The results are returned in the
     * class variables compileList and filecopyList.
     */

    protected void scanDir(File srcDir, File destDir, String files[]) {

        compileList.removeAllElements();
        filecopyList.clear();

        long now =3D (new Date()).getTime();

        for (int i =3D 0; i < files.length; i++) {
            File srcFile =3D new File(srcDir, files[i]);
            if (files[i].endsWith(".java")) {
                File classFile =3D new File(destDir, =
files[i].substring(0,
                        files[i].indexOf(".java"))
                                                    + ".class");

                    if (srcFile.lastModified() > now) {
                        project.log("Warning: file modified in the =
future: " +=20
                            files[i], project.MSG_WARN);
                    }

                    if (srcFile.lastModified() > =
classFile.lastModified()) {
                        =
compileList.addElement(srcFile.getAbsolutePath());
                    }
                } else {
                File destFile =3D new File(destDir, files[i]);
                    if (srcFile.lastModified() > =
destFile.lastModified()) {
                        filecopyList.put(srcFile.getAbsolutePath(),
                                         destFile.getAbsolutePath());
                }
            }
        }
    }

    /**
     * Builds the compilation classpath.
     */

    // XXX
    // we need a way to not use the current classpath.

    private String getCompileClasspath() {
        StringBuffer classpath =3D new StringBuffer();

        // add dest dir to classpath so that previously compiled and
        // untouched classes are on classpath

        //classpath.append(sourceDir.getAbsolutePath());
        //classpath.append(File.pathSeparator);
        classpath.append(destDir.getAbsolutePath());

        // add our classpath to the mix

        if (compileClasspath !=3D null) {
            addExistingToClasspath(classpath,compileClasspath);
        }

        // add the system classpath

        =
addExistingToClasspath(classpath,System.getProperty("java.class.path"));
        return classpath.toString();
    }


     /**
     * Takes a classpath-like string, and adds each element of
     * this string to a new classpath, if the components exist.
     * Components that don't exist, aren't added.
     * We do this, because jikes issues warnings for non-existant
     * files/dirs in his classpath, and these warnings are pretty
     * annoying.
     * @param target - target classpath
     * @param source - source classpath
     * to get file objects.
     */
    private void addExistingToClasspath(StringBuffer target,String =
source) {
       StringTokenizer tok =3D new StringTokenizer(source,
                             System.getProperty("path.separator"), =
false);
       while (tok.hasMoreTokens()) {
           File f =3D project.resolveFile(tok.nextToken());

           if (f.exists()) {
               target.append(File.pathSeparator);
               target.append(f.getAbsolutePath());
           } else {
               project.log("Dropping from classpath: "+
                   f.getAbsolutePath(),project.MSG_VERBOSE);
           }
       }

    }

    /**
     * Peforms a copmile using the classic compiler that shipped with
     * JDK 1.1 and 1.2.
     */

    private void doClassicCompile() throws BuildException {
        project.log("Using classic compiler", project.MSG_VERBOSE);
        String classpath =3D getCompileClasspath();
        Vector argList =3D new Vector();

        if (deprecation =3D=3D true)
            argList.addElement("-deprecation");

        argList.addElement("-d");
        argList.addElement(destDir.getAbsolutePath());
        argList.addElement("-classpath");
        // Just add "sourcepath" to classpath ( for JDK1.1 )
        if (Project.getJavaVersion().startsWith("1.1")) {
            argList.addElement(classpath + File.pathSeparator +
                               srcDir.getAbsolutePath());
        } else {
            argList.addElement(classpath);
            argList.addElement("-sourcepath");
            argList.addElement(srcDir.getAbsolutePath());
            if (target !=3D null) {
                argList.addElement("-target");
                argList.addElement(target);
            }
        }
        if (debug) {
            argList.addElement("-g");
        }
        if (optimize) {
            argList.addElement("-O");
        }
        if (bootclasspath !=3D null) {
            argList.addElement("-bootclasspath");
            argList.addElement(bootclasspath);
        }
        if (extdirs !=3D null) {
            argList.addElement("-extdirs");
            argList.addElement(extdirs);
        }

        project.log("Compilation args: " + argList.toString(),
                    project.MSG_VERBOSE);

        String[] args =3D new String[argList.size() + =
compileList.size()];
        int counter =3D 0;

        for (int i =3D 0; i < argList.size(); i++) {
            args[i] =3D (String)argList.elementAt(i);
            counter++;
        }

        // XXX
        // should be using system independent line feed!

        StringBuffer niceSourceList =3D new StringBuffer("Files to be =
compiled:"
                                                       + "\r\n");

        Enumeration enum =3D compileList.elements();
        while (enum.hasMoreElements()) {
            args[counter] =3D (String)enum.nextElement();
            niceSourceList.append("    " + args[counter] + "\r\n");
            counter++;
        }

        project.log(niceSourceList.toString(), project.MSG_VERBOSE);

        // XXX
        // provide the compiler a different message sink - namely our =
own

        JavacOutputStream jos =3D new JavacOutputStream(project);

        sun.tools.javac.Main compiler =3D
            new sun.tools.javac.Main(jos, "javac");
        compiler.compile(args);
        if (jos.getErrorFlag()) {
            String msg =3D "Compile failed, messages should have been =
provided.";
            throw new BuildException(msg);
        }
    }

    /**
     * Performs a compile using the newer compiler that ships with JDK =
1.3
     */

    private void doModernCompile() throws BuildException {
        project.log("Performing a Modern Compile");
    }

    /**
     * Performs a compile using the Jikes compiler from IBM..
     * Mostly of this code is identical to doClassicCompile()
     * However, it does not support all options like
     * bootclasspath, extdirs, deprecation and so on, because
     * there is no option in jikes and I don't understand
     * what they should do.
     *
     * It has been successfully tested with jikes 1.10
     *
     * @author skanthak@muehlheim.de
     */

    private void doJikesCompile() throws BuildException {
       =20

        int NT_COMMAND_LIMIT =3D -1;
        String osName =3D System.getProperty("os.name");
        if ( osName.startsWith("Windows"))
        {
            NT_COMMAND_LIMIT =3D 300;
        }
        else
        {
            NT_COMMAND_LIMIT =3D Integer.MAX_VALUE;
        }
       =20

       =20
       =20
        project.log("Using jikes compiler",project.MSG_VERBOSE);

        StringBuffer classpath =3D new StringBuffer();
        classpath.append(getCompileClasspath());

        // Jikes doesn't support an extension dir (-extdir)
        // so we'll emulate it for compatibility and convenience.
        addExtdirsToClasspath(classpath);

        // Jikes has no option for source-path so we
        // will add it to classpath.
        classpath.append(File.pathSeparator);
        classpath.append(srcDir.getAbsolutePath());

        Vector argList =3D new Vector();
       =20
        argList.addElement("-depend");
       =20
        if (deprecation =3D=3D true)
            argList.addElement("-deprecation");

        // We want all output on stdout to make
        // parsing easier
        argList.addElement("-Xstdout");

        argList.addElement("-d");
        argList.addElement(destDir.getAbsolutePath());
        argList.addElement("-classpath");
        argList.addElement(classpath.toString());

        if (debug) {
            argList.addElement("-g");
        }
        if (optimize) {
            argList.addElement("-O");
        }

       /**
        * XXX
        * Perhaps we shouldn't use properties for these
        * two options (emacs mode and warnings),
        * but include it in the javac directive?
        */

       /**
        * Jikes has the nice feature to print error
        * messages in a form readable by emacs, so
        * that emcas can directly set the cursor
        * to the place, where the error occured.
        */
       boolean emacsMode =3D false;
       String emacsProperty =3D =
project.getProperty("build.compiler.emacs");
       if (emacsProperty !=3D null &&
           (emacsProperty.equalsIgnoreCase("on") ||
            emacsProperty.equalsIgnoreCase("true"))
           ) {
           emacsMode =3D true;
       }

       /**
        * Jikes issues more warnings that javac, for
        * example, when you have files in your classpath
        * that don't exist. As this is often the case, these
        * warning can be pretty annoying.
        */
       boolean warnings =3D true;
       String warningsProperty =3D =
project.getProperty("build.compiler.warnings");
       if (warningsProperty !=3D null &&
           (warningsProperty.equalsIgnoreCase("off") ||
            warningsProperty.equalsIgnoreCase("false"))
           ) {
           warnings =3D false;
       }

       if (emacsMode)
           argList.addElement("+E");

       if (!warnings)
           argList.addElement("-nowarn");
       =20
       =20
        project.log("Compilation args: " + argList.toString(),
                    project.MSG_VERBOSE);

       =20
        int execCount =3D compileList.size() / NT_COMMAND_LIMIT;
        int remainder =3D compileList.size() % NT_COMMAND_LIMIT;
        if (remainder > 0 && execCount !=3D 0)
            execCount++;
        if (execCount =3D=3D 0)
            execCount =3D 1;
           =20
        Vector[] files =3D new Vector[execCount];
       =20
        for (int i =3D 0; i < execCount - 1; i++)
        {
            files[i] =3D new Vector();
            int slice =3D (i + 1) * NT_COMMAND_LIMIT;
           =20
            for (int j =3D i*NT_COMMAND_LIMIT; j < slice; j++)
            {
                files[i].addElement(compileList.elementAt(j));
            }
        }
        int remainderStart =3D (execCount - 1) * NT_COMMAND_LIMIT;
        files[execCount - 1] =3D new Vector();
        for (int j =3D (execCount - 1) * NT_COMMAND_LIMIT; j < =
remainderStart + remainder; j++)
        {
            files[execCount - 1].addElement(compileList.elementAt(j));
        }
       =20
        // XXX
        // should be using system independent line feed!

        for (int i =3D 0; i < execCount; i++)
        {
            int counter =3D 0;
            String[] args =3D new String[argList.size() + =
files[i].size()]; // + compileList.size()];
            for (int j =3D 0; j < argList.size(); j++) {
                args[j] =3D (String)argList.elementAt(j);
                counter++;
            }
           =20
            StringBuffer niceSourceList =3D new StringBuffer("Files to =
be compiled:"
                                                       + "\r\n");
            // Add the list of files to the args[] array
            Enumeration enum =3D files[i].elements();
           =20
            while (enum.hasMoreElements()) {
                args[counter] =3D (String)enum.nextElement();
                niceSourceList.append("    " + args[counter] + "\r\n");
                counter++;
            }
   =20
            project.log(niceSourceList.toString(), project.MSG_VERBOSE);
   =20
            // XXX
            // provide the compiler a different message sink - namely =
our own
   =20
            JikesOutputParser jop =3D new =
JikesOutputParser(project,emacsMode);
   =20
            if (execCount > 1)
                project.log("[FYI]Split compile list, over limit of 300 =
files, running the #" + (i+1) + " compile",project.MSG_VERBOSE);
               =20
            Jikes compiler =3D new Jikes(jop,"jikes");
            compiler.compile(args);
            if (jop.getErrorFlag()) {
                String msg =3D "Compile failed, messages should have =
been provided.";
                throw new BuildException(msg);
            }
        }
    }

    class JarFilenameFilter implements FilenameFilter {
        public boolean accept(File dir,String name) {
            return name.endsWith(".jar");
        }
    }

    /**
     * Emulation of extdirs feature in java >=3D 1.2.
     * This method adds all jar archives in the given
     * directories (but not in sub-directories!) to the classpath,
     * so that you don't have to specify them all one by one.
     * @param classpath - stringbuffer to append jar files to
     */
    private void addExtdirsToClasspath(StringBuffer classpath) {
       // FIXME
       // Should we scan files recursively? How does
       // javac handle this?

       if (extdirs !=3D null) {
           StringTokenizer tok =3D new StringTokenizer(extdirs,
                                                     File.pathSeparator,
                                                     false);
           while (tok.hasMoreTokens()) {
               File dir =3D project.resolveFile(tok.nextToken());
               String[] files =3D dir.list(new JarFilenameFilter());
               for (int i=3D0 ; i < files.length ; i++) {
                   File f =3D new File(dir,files[i]);
                   if (f.exists() && f.isFile()) {
                       classpath.append(File.pathSeparator);
                       classpath.append(f.getAbsolutePath());
                   }
               }
           }
       }
    }
}


------=_NextPart_000_0013_01BFFCA9.F51F8760--