Tools/Source/Cpptasks/net/sf/antcontrib/cpptasks/compiler/CommandLineLinker.java - edk2 - Git at Google

 /*
  *
  * Copyright 2002-2004 The Ant-Contrib project
  *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  */
 package net.sf.antcontrib.cpptasks.compiler;

 import java.io.File;
 import java.io.FileWriter;
 import java.io.IOException;
 import java.util.Enumeration;
 import java.util.Vector;

 import net.sf.antcontrib.cpptasks.CCTask;
 import net.sf.antcontrib.cpptasks.CUtil;
 import net.sf.antcontrib.cpptasks.LinkerDef;
 import net.sf.antcontrib.cpptasks.ProcessorDef;
 import net.sf.antcontrib.cpptasks.ProcessorParam;
 import net.sf.antcontrib.cpptasks.types.CommandLineArgument;
 import net.sf.antcontrib.cpptasks.types.LibrarySet;
 import net.sf.antcontrib.cpptasks.TargetDef;

 import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.types.Environment;


 /**
  * An abstract Linker implementation that performs the link via an external
  * command.
  *
  * @author Adam Murdoch
  */
 public abstract class CommandLineLinker extends AbstractLinker
 {
     private String command;
     private Environment env = null;
     private String identifier;
     private String identifierArg;
     private boolean isLibtool;
     private String[] librarySets;
     private CommandLineLinker libtoolLinker;
     private boolean newEnvironment = false;
     private String outputSuffix;


     /** Creates a comand line linker invocation */
     public CommandLineLinker(String command,
         String identifierArg,
         String[] extensions,
         String[] ignoredExtensions, String outputSuffix,
         boolean isLibtool, CommandLineLinker libtoolLinker)
     {
         super(extensions, ignoredExtensions);
         this.command = command;
         this.identifierArg = identifierArg;
         this.outputSuffix = outputSuffix;
         this.isLibtool = isLibtool;
         this.libtoolLinker = libtoolLinker;
     }
     protected abstract void addBase(long base, Vector args);

     protected abstract void addFixed(Boolean fixed, Vector args);

     abstract protected void addImpliedArgs(boolean debug,
       LinkType linkType, Vector args, Boolean defaultflag);
     protected abstract void addIncremental(boolean incremental, Vector args);

       //
       //  Windows processors handle these through file list
       //
     protected String[] addLibrarySets(CCTask task, LibrarySet[] libsets, Vector preargs,
         Vector midargs, Vector endargs) {
         return null;
     }
     protected abstract void addMap(boolean map, Vector args);
     protected abstract void addStack(int stack, Vector args);
     protected abstract void addEntry(String entry, Vector args);

     protected LinkerConfiguration createConfiguration(
       CCTask task,
       LinkType linkType,
       ProcessorDef[] baseDefs, LinkerDef specificDef, TargetDef targetPlatform) {

       Vector preargs = new Vector();
       Vector midargs = new Vector();
       Vector endargs = new Vector();
       Vector[] args = new Vector[] { preargs, midargs, endargs };

       LinkerDef[] defaultProviders = new LinkerDef[baseDefs.length+1];
       defaultProviders[0] = specificDef;
       for(int i = 0; i < baseDefs.length; i++) {
         defaultProviders[i+1] = (LinkerDef) baseDefs[i];
       }
       //
       //   add command line arguments inherited from <cc> element
       //     any "extends" and finally the specific CompilerDef
       CommandLineArgument[] commandArgs;
       for(int i = defaultProviders.length-1; i >= 0; i--) {
         commandArgs = defaultProviders[i].getActiveProcessorArgs();
         for(int j = 0; j < commandArgs.length; j++) {
           args[commandArgs[j].getLocation()].
                 addElement(commandArgs[j].getValue());
         }
       }

         Vector params = new Vector();
         //
         //   add command line arguments inherited from <cc> element
         //     any "extends" and finally the specific CompilerDef
         ProcessorParam[] paramArray;
         for (int i = defaultProviders.length - 1; i >= 0; i--) {
             paramArray = defaultProviders[i].getActiveProcessorParams();
             for (int j = 0; j < paramArray.length; j++) {
                 params.add(paramArray[j]);
             }
         }

         paramArray = (ProcessorParam[])(params.toArray(new ProcessorParam[params.size()]));

         boolean debug = specificDef.getDebug(baseDefs,0);


       String startupObject = getStartupObject(linkType);
       Boolean defaultflag = specificDef.getDefaultflag(defaultProviders, 1);
       addImpliedArgs(debug, linkType, preargs, defaultflag);
       addIncremental(specificDef.getIncremental(defaultProviders,1), preargs);
       addFixed(specificDef.getFixed(defaultProviders,1), preargs);
       addMap(specificDef.getMap(defaultProviders,1), preargs);
       addBase(specificDef.getBase(defaultProviders,1), preargs);
       addStack(specificDef.getStack(defaultProviders,1), preargs);
       addEntry(specificDef.getEntry(defaultProviders, 1), preargs);

       String[] libnames = null;
       LibrarySet[] libsets = specificDef.getActiveLibrarySets(defaultProviders,1);
       if (libsets.length > 0) {
         libnames = addLibrarySets(task, libsets, preargs, midargs, endargs);
       }

       StringBuffer buf = new StringBuffer(getIdentifier());
       for (int i = 0; i < 3; i++) {
         Enumeration argenum = args[i].elements();
         while (argenum.hasMoreElements()) {
            buf.append(' ');
            buf.append(argenum.nextElement().toString());
         }
       }
       String configId = buf.toString();

       String[][] options = new String[][] {
         new String[args[0].size() + args[1].size()],
         new String[args[2].size()] };
       args[0].copyInto(options[0]);
       int offset = args[0].size();
       for (int i = 0; i < args[1].size(); i++) {
         options[0][i+offset] = (String) args[1].elementAt(i);
       }
       args[2].copyInto(options[1]);


       boolean rebuild = specificDef.getRebuild(baseDefs,0);
       boolean map = specificDef.getMap(defaultProviders,1);

       //task.log("libnames:"+libnames.length, Project.MSG_VERBOSE);
       return new CommandLineLinkerConfiguration(this,configId,options,
               paramArray,
               rebuild,map,libnames, startupObject);
     }

     /**
      * Allows drived linker to decorate linker option.
      * Override by GccLinker to prepend a "-Wl," to
      * pass option to through gcc to linker.
      *
      * @param buf buffer that may be used and abused in the decoration process,
      * must not be null.
      * @param arg linker argument
      */
     protected String decorateLinkerOption(StringBuffer buf, String arg) {
       return arg;
     }

     protected final String getCommand() {
       return command;
     }
     protected abstract String getCommandFileSwitch(String commandFile);


      public String getIdentifier() {
       if(identifier == null) {
         if (identifierArg == null) {
           identifier = getIdentifier(new String[] { command }, command);
         } else {
           identifier = getIdentifier(new String[] { command, identifierArg },
             command);
         }
       }
       return identifier;
     }
     public final CommandLineLinker getLibtoolLinker() {
       if (libtoolLinker != null) {
         return libtoolLinker;
       }
       return this;
     }
     protected abstract int getMaximumCommandLength();

     public String getOutputFileName(String baseName) {
         return baseName + outputSuffix;
     }

     protected String[] getOutputFileSwitch(CCTask task, String outputFile) {
         return getOutputFileSwitch(outputFile);
     }
     protected abstract String[] getOutputFileSwitch(String outputFile);
     protected String getStartupObject(LinkType linkType) {
       return null;
     }

     /**
      * Performs a link using a command line linker
      *
      */
     public void link(CCTask task,
                      File outputFile,
                      String[] sourceFiles,
                      CommandLineLinkerConfiguration config)
                      throws BuildException
     {
         File parentDir = new File(outputFile.getParent());
         String parentPath;
         try {
           parentPath = parentDir.getCanonicalPath();
         } catch(IOException ex) {
           parentPath = parentDir.getAbsolutePath();
         }
         String[] execArgs = prepareArguments(task, parentPath,outputFile.getName(),
             sourceFiles, config);
         int commandLength = 0;
         for(int i = 0; i < execArgs.length; i++) {
           commandLength += execArgs[i].length() + 1;
         }

         //
         //   if command length exceeds maximum
         //       (1024 for Windows) then create a temporary
         //       file containing everything but the command name
         if(commandLength >= this.getMaximumCommandLength()) {
           try {
             execArgs = prepareResponseFile(outputFile,execArgs);
           }
           catch(IOException ex) {
             throw new BuildException(ex);
           }
         }

         int retval = runCommand(task,parentDir,execArgs);
         //
         //   if the process returned a failure code then
         //       throw an BuildException
         //
         if(retval != 0) {
           //
           //   construct the exception
           //
           throw new BuildException(this.getCommand() + " failed with return code " + retval, task.getLocation());
         }

     }


     /**
      * Prepares argument list for exec command.  Will return null
      * if command line would exceed allowable command line buffer.
      *
      * @param outputFile linker output file
      * @param sourceFiles linker input files (.obj, .o, .res)
      * @param args linker arguments
      * @return arguments for runTask
      */
     protected String[] prepareArguments(
         CCTask task,
         String outputDir,
         String outputFile,
         String[] sourceFiles,
         CommandLineLinkerConfiguration config) {

         String[] preargs = config.getPreArguments();
         String[] endargs = config.getEndArguments();
         String outputSwitch[] =  getOutputFileSwitch(task, outputFile);
         int allArgsCount = preargs.length + 1 + outputSwitch.length +
                 sourceFiles.length + endargs.length;
         if (isLibtool) {
           allArgsCount++;
         }
         String[] allArgs = new String[allArgsCount];
         int index = 0;
         if (isLibtool) {
           allArgs[index++] = "libtool";
         }
         allArgs[index++] = this.getCommand();
         StringBuffer buf = new StringBuffer();
         for (int i = 0; i < preargs.length; i++) {
           allArgs[index++] = decorateLinkerOption(buf, preargs[i]);
         }
         for (int i = 0; i < outputSwitch.length; i++) {
           allArgs[index++] = outputSwitch[i];
         }
         for (int i = 0; i < sourceFiles.length; i++) {
           allArgs[index++] = prepareFilename(buf,outputDir,sourceFiles[i]);
         }
         for (int i = 0; i < endargs.length; i++) {
           allArgs[index++] = decorateLinkerOption(buf, endargs[i]);
         }
         return allArgs;
     }

     /**
      * Processes filename into argument form
      *
      */
     protected String prepareFilename(StringBuffer buf,
       String outputDir, String sourceFile) {
       String relativePath = CUtil.getRelativePath(outputDir,
         new File(sourceFile));
       return quoteFilename(buf,relativePath);
     }

     /**
      * Prepares argument list to execute the linker using a
      * response file.
      *
      * @param outputFile linker output file
      * @param args output of prepareArguments
      * @return arguments for runTask
      */
     protected String[] prepareResponseFile(File outputFile,String[] args) throws IOException
     {
         String baseName = outputFile.getName();
         File commandFile = new File(outputFile.getParent(),baseName + ".rsp");
         FileWriter writer = new FileWriter(commandFile);
         int execArgCount = 1;
         if (isLibtool) {
           execArgCount++;
         }
         String[] execArgs = new String[execArgCount+1];
         for (int i = 0; i < execArgCount; i++) {
           execArgs[i] = args[i];
         }
         execArgs[execArgCount] = getCommandFileSwitch(commandFile.toString());
         for(int i = execArgCount; i < args.length; i++) {
         	//
         	//   if embedded space and not quoted then
         	//       quote argument
           if (args[i].indexOf(" ") >= 0 && args[i].charAt(0) != '\"') {
           	writer.write('\"');
           	writer.write(args[i]);
           	writer.write("\"\n");
           } else {
           	writer.write(args[i]);
             writer.write('\n');
           }
         }
         writer.close();
         return execArgs;
     }


     protected String quoteFilename(StringBuffer buf,String filename) {
       if(filename.indexOf(' ') >= 0) {
         buf.setLength(0);
         buf.append('\"');
         buf.append(filename);
         buf.append('\"');
         return buf.toString();
       }
       return filename;
     }

     /**
      * This method is exposed so test classes can overload
      * and test the arguments without actually spawning the
      * compiler
      */
     protected int runCommand(CCTask task, File workingDir,String[] cmdline)
       throws BuildException {
       return CUtil.runCommand(task,workingDir,cmdline, newEnvironment, env);
     }

     protected final void setCommand(String command) {
         this.command = command;
     }

 }
	/*
	*
	* Copyright 2002-2004 The Ant-Contrib project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/
	package net.sf.antcontrib.cpptasks.compiler;

	import java.io.File;
	import java.io.FileWriter;
	import java.io.IOException;
	import java.util.Enumeration;
	import java.util.Vector;

	import net.sf.antcontrib.cpptasks.CCTask;
	import net.sf.antcontrib.cpptasks.CUtil;
	import net.sf.antcontrib.cpptasks.LinkerDef;
	import net.sf.antcontrib.cpptasks.ProcessorDef;
	import net.sf.antcontrib.cpptasks.ProcessorParam;
	import net.sf.antcontrib.cpptasks.types.CommandLineArgument;
	import net.sf.antcontrib.cpptasks.types.LibrarySet;
	import net.sf.antcontrib.cpptasks.TargetDef;

	import org.apache.tools.ant.BuildException;
	import org.apache.tools.ant.types.Environment;


	/**
	* An abstract Linker implementation that performs the link via an external
	* command.
	*
	* @author Adam Murdoch
	*/
	public abstract class CommandLineLinker extends AbstractLinker
	{
	private String command;
	private Environment env = null;
	private String identifier;
	private String identifierArg;
	private boolean isLibtool;
	private String[] librarySets;
	private CommandLineLinker libtoolLinker;
	private boolean newEnvironment = false;
	private String outputSuffix;


	/** Creates a comand line linker invocation */
	public CommandLineLinker(String command,
	String identifierArg,
	String[] extensions,
	String[] ignoredExtensions, String outputSuffix,
	boolean isLibtool, CommandLineLinker libtoolLinker)
	{
	super(extensions, ignoredExtensions);
	this.command = command;
	this.identifierArg = identifierArg;
	this.outputSuffix = outputSuffix;
	this.isLibtool = isLibtool;
	this.libtoolLinker = libtoolLinker;
	}
	protected abstract void addBase(long base, Vector args);

	protected abstract void addFixed(Boolean fixed, Vector args);

	abstract protected void addImpliedArgs(boolean debug,
	LinkType linkType, Vector args, Boolean defaultflag);
	protected abstract void addIncremental(boolean incremental, Vector args);

	//
	// Windows processors handle these through file list
	//
	protected String[] addLibrarySets(CCTask task, LibrarySet[] libsets, Vector preargs,
	Vector midargs, Vector endargs) {
	return null;
	}
	protected abstract void addMap(boolean map, Vector args);
	protected abstract void addStack(int stack, Vector args);
	protected abstract void addEntry(String entry, Vector args);

	protected LinkerConfiguration createConfiguration(
	CCTask task,
	LinkType linkType,
	ProcessorDef[] baseDefs, LinkerDef specificDef, TargetDef targetPlatform) {

	Vector preargs = new Vector();
	Vector midargs = new Vector();
	Vector endargs = new Vector();
	Vector[] args = new Vector[] { preargs, midargs, endargs };

	LinkerDef[] defaultProviders = new LinkerDef[baseDefs.length+1];
	defaultProviders[0] = specificDef;
	for(int i = 0; i < baseDefs.length; i++) {
	defaultProviders[i+1] = (LinkerDef) baseDefs[i];
	}
	//
	// add command line arguments inherited from <cc> element
	// any "extends" and finally the specific CompilerDef
	CommandLineArgument[] commandArgs;
	for(int i = defaultProviders.length-1; i >= 0; i--) {
	commandArgs = defaultProviders[i].getActiveProcessorArgs();
	for(int j = 0; j < commandArgs.length; j++) {
	args[commandArgs[j].getLocation()].
	addElement(commandArgs[j].getValue());
	}
	}

	Vector params = new Vector();
	//
	// add command line arguments inherited from <cc> element
	// any "extends" and finally the specific CompilerDef
	ProcessorParam[] paramArray;
	for (int i = defaultProviders.length - 1; i >= 0; i--) {
	paramArray = defaultProviders[i].getActiveProcessorParams();
	for (int j = 0; j < paramArray.length; j++) {
	params.add(paramArray[j]);
	}
	}

	paramArray = (ProcessorParam[])(params.toArray(new ProcessorParam[params.size()]));

	boolean debug = specificDef.getDebug(baseDefs,0);


	String startupObject = getStartupObject(linkType);
	Boolean defaultflag = specificDef.getDefaultflag(defaultProviders, 1);
	addImpliedArgs(debug, linkType, preargs, defaultflag);
	addIncremental(specificDef.getIncremental(defaultProviders,1), preargs);
	addFixed(specificDef.getFixed(defaultProviders,1), preargs);
	addMap(specificDef.getMap(defaultProviders,1), preargs);
	addBase(specificDef.getBase(defaultProviders,1), preargs);
	addStack(specificDef.getStack(defaultProviders,1), preargs);
	addEntry(specificDef.getEntry(defaultProviders, 1), preargs);

	String[] libnames = null;
	LibrarySet[] libsets = specificDef.getActiveLibrarySets(defaultProviders,1);
	if (libsets.length > 0) {
	libnames = addLibrarySets(task, libsets, preargs, midargs, endargs);
	}

	StringBuffer buf = new StringBuffer(getIdentifier());
	for (int i = 0; i < 3; i++) {
	Enumeration argenum = args[i].elements();
	while (argenum.hasMoreElements()) {
	buf.append(' ');
	buf.append(argenum.nextElement().toString());
	}
	}
	String configId = buf.toString();

	String[][] options = new String[][] {
	new String[args[0].size() + args[1].size()],
	new String[args[2].size()] };
	args[0].copyInto(options[0]);
	int offset = args[0].size();
	for (int i = 0; i < args[1].size(); i++) {
	options[0][i+offset] = (String) args[1].elementAt(i);
	}
	args[2].copyInto(options[1]);


	boolean rebuild = specificDef.getRebuild(baseDefs,0);
	boolean map = specificDef.getMap(defaultProviders,1);

	//task.log("libnames:"+libnames.length, Project.MSG_VERBOSE);
	return new CommandLineLinkerConfiguration(this,configId,options,
	paramArray,
	rebuild,map,libnames, startupObject);
	}

	/**
	* Allows drived linker to decorate linker option.
	* Override by GccLinker to prepend a "-Wl," to
	* pass option to through gcc to linker.
	*
	* @param buf buffer that may be used and abused in the decoration process,
	* must not be null.
	* @param arg linker argument
	*/
	protected String decorateLinkerOption(StringBuffer buf, String arg) {
	return arg;
	}

	protected final String getCommand() {
	return command;
	}
	protected abstract String getCommandFileSwitch(String commandFile);


	public String getIdentifier() {
	if(identifier == null) {
	if (identifierArg == null) {
	identifier = getIdentifier(new String[] { command }, command);
	} else {
	identifier = getIdentifier(new String[] { command, identifierArg },
	command);
	}
	}
	return identifier;
	}
	public final CommandLineLinker getLibtoolLinker() {
	if (libtoolLinker != null) {
	return libtoolLinker;
	}
	return this;
	}
	protected abstract int getMaximumCommandLength();

	public String getOutputFileName(String baseName) {
	return baseName + outputSuffix;
	}

	protected String[] getOutputFileSwitch(CCTask task, String outputFile) {
	return getOutputFileSwitch(outputFile);
	}
	protected abstract String[] getOutputFileSwitch(String outputFile);
	protected String getStartupObject(LinkType linkType) {
	return null;
	}

	/**
	* Performs a link using a command line linker
	*
	*/
	public void link(CCTask task,
	File outputFile,
	String[] sourceFiles,
	CommandLineLinkerConfiguration config)
	throws BuildException
	{
	File parentDir = new File(outputFile.getParent());
	String parentPath;
	try {
	parentPath = parentDir.getCanonicalPath();
	} catch(IOException ex) {
	parentPath = parentDir.getAbsolutePath();
	}
	String[] execArgs = prepareArguments(task, parentPath,outputFile.getName(),
	sourceFiles, config);
	int commandLength = 0;
	for(int i = 0; i < execArgs.length; i++) {
	commandLength += execArgs[i].length() + 1;
	}

	//
	// if command length exceeds maximum
	// (1024 for Windows) then create a temporary
	// file containing everything but the command name
	if(commandLength >= this.getMaximumCommandLength()) {
	try {
	execArgs = prepareResponseFile(outputFile,execArgs);
	}
	catch(IOException ex) {
	throw new BuildException(ex);
	}
	}

	int retval = runCommand(task,parentDir,execArgs);
	//
	// if the process returned a failure code then
	// throw an BuildException
	//
	if(retval != 0) {
	//
	// construct the exception
	//
	throw new BuildException(this.getCommand() + " failed with return code " + retval, task.getLocation());
	}

	}


	/**
	* Prepares argument list for exec command. Will return null
	* if command line would exceed allowable command line buffer.
	*
	* @param outputFile linker output file
	* @param sourceFiles linker input files (.obj, .o, .res)
	* @param args linker arguments
	* @return arguments for runTask
	*/
	protected String[] prepareArguments(
	CCTask task,
	String outputDir,
	String outputFile,
	String[] sourceFiles,
	CommandLineLinkerConfiguration config) {

	String[] preargs = config.getPreArguments();
	String[] endargs = config.getEndArguments();
	String outputSwitch[] = getOutputFileSwitch(task, outputFile);
	int allArgsCount = preargs.length + 1 + outputSwitch.length +
	sourceFiles.length + endargs.length;
	if (isLibtool) {
	allArgsCount++;
	}
	String[] allArgs = new String[allArgsCount];
	int index = 0;
	if (isLibtool) {
	allArgs[index++] = "libtool";
	}
	allArgs[index++] = this.getCommand();
	StringBuffer buf = new StringBuffer();
	for (int i = 0; i < preargs.length; i++) {
	allArgs[index++] = decorateLinkerOption(buf, preargs[i]);
	}
	for (int i = 0; i < outputSwitch.length; i++) {
	allArgs[index++] = outputSwitch[i];
	}
	for (int i = 0; i < sourceFiles.length; i++) {
	allArgs[index++] = prepareFilename(buf,outputDir,sourceFiles[i]);
	}
	for (int i = 0; i < endargs.length; i++) {
	allArgs[index++] = decorateLinkerOption(buf, endargs[i]);
	}
	return allArgs;
	}

	/**
	* Processes filename into argument form
	*
	*/
	protected String prepareFilename(StringBuffer buf,
	String outputDir, String sourceFile) {
	String relativePath = CUtil.getRelativePath(outputDir,
	new File(sourceFile));
	return quoteFilename(buf,relativePath);
	}

	/**
	* Prepares argument list to execute the linker using a
	* response file.
	*
	* @param outputFile linker output file
	* @param args output of prepareArguments
	* @return arguments for runTask
	*/
	protected String[] prepareResponseFile(File outputFile,String[] args) throws IOException
	{
	String baseName = outputFile.getName();
	File commandFile = new File(outputFile.getParent(),baseName + ".rsp");
	FileWriter writer = new FileWriter(commandFile);
	int execArgCount = 1;
	if (isLibtool) {
	execArgCount++;
	}
	String[] execArgs = new String[execArgCount+1];
	for (int i = 0; i < execArgCount; i++) {
	execArgs[i] = args[i];
	}
	execArgs[execArgCount] = getCommandFileSwitch(commandFile.toString());
	for(int i = execArgCount; i < args.length; i++) {
	//
	// if embedded space and not quoted then
	// quote argument
	if (args[i].indexOf(" ") >= 0 && args[i].charAt(0) != '\"') {
	writer.write('\"');
	writer.write(args[i]);
	writer.write("\"\n");
	} else {
	writer.write(args[i]);
	writer.write('\n');
	}
	}
	writer.close();
	return execArgs;
	}


	protected String quoteFilename(StringBuffer buf,String filename) {
	if(filename.indexOf(' ') >= 0) {
	buf.setLength(0);
	buf.append('\"');
	buf.append(filename);
	buf.append('\"');
	return buf.toString();
	}
	return filename;
	}

	/**
	* This method is exposed so test classes can overload
	* and test the arguments without actually spawning the
	* compiler
	*/
	protected int runCommand(CCTask task, File workingDir,String[] cmdline)
	throws BuildException {
	return CUtil.runCommand(task,workingDir,cmdline, newEnvironment, env);
	}

	protected final void setCommand(String command) {
	this.command = command;
	}

	}