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NetRexxC and supporting taskdefs. 

NetRexxC 1.160 or higher needed (due to bugs in the way the compiler
handles error streams).

Note: I changed the package names and converted the calls from using
Introspection to directly calling the compiler.

Submitted by: dIon Gillard <dion@multitask.com.au>


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@267637 13f79535-47bb-0310-9956-ffa450edef68
master
Sam Ruby 25 years ago
parent
e9f55d77d1
commit
e525cc224a
3 changed files with 756 additions and 0 deletions
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  1. +2
    -0
      build.xml
  2. +649
    -0
      src/main/org/apache/tools/ant/taskdefs/optional/NetRexxC.java
  3. +105
    -0
      src/main/org/apache/tools/ant/taskdefs/optional/RenameExtensions.java

+ 2
- 0
build.xml View File

@@ -29,6 +29,7 @@
<property name="build.compiler" value="classic"/>

<available property="bsf.present" classname="com.ibm.bsf.BSFManager" />
<available property="netrexx.present" classname="netrexx.lang.Rexx" />

<!-- Give user a chance to override without editing this file
(and without typing -D each time it compiles it -->
@@ -54,6 +55,7 @@
deprecation="on"
optimize="on" >
<exclude name="**/Script.java" unless="bsf.present" />
<exclude name="**/NetRexxC.java" unless="netrexx.present" />
</javac>
</target>



+ 649
- 0
src/main/org/apache/tools/ant/taskdefs/optional/NetRexxC.java View File

@@ -0,0 +1,649 @@
/*
* 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.
* ====================================================================
*
* 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;

import org.apache.tools.ant.*;
import org.apache.tools.ant.taskdefs.*;

import netrexx.lang.Rexx;

import java.io.*;
import java.lang.reflect.*;
import java.util.*;

/**
* Task to compile NetRexx source files. This task can take the following
* arguments:
* <ul>
* <li>binary</li>
* <li>classpath</li>
* <li>comments</li>
* <li>compile</li>
* <li>console</li>
* <li>crossref</li>
* <li>decimal</li>
* <li>destdir</li>
* <li>diag</li>
* <li>explicit</li>
* <li>format</li>
* <li>keep</li>
* <li>logo</li>
* <li>replace</li>
* <li>savelog</li>
* <li>srcdir</li>
* <li>sourcedir</li>
* <li>strictargs</li>
* <li>strictassign</li>
* <li>strictcase</li>
* <li>strictimport</li>
* <li>symbols</li>
* <li>time</li>
* <li>trace</li>
* <li>utf8</li>
* <li>verbose</li>
* </ul>
* Of these arguments, the <b>srcdir</b> argument is required.
*
* <p>When this task executes, it will recursively scan the srcdir
* looking for NetRexx source files to compile. This task makes its
* compile decision based on timestamp.
* <p>Before files are compiled they and any other file in the
* srcdir will be copied to the destdir allowing support files to be
* located properly in the classpath. The reason for copying the source files
* before the compile is that NetRexxC has only two destinations for classfiles:
* <ol>
* <li>The current directory, and,</li>
* <li>The directory the source is in (see sourcedir option)
* </ol>
*
* @author dIon Gillard <a href="mailto:dion@multitask.com.au">dion@multitask.com.au</a>
*/

public class NetRexxC extends MatchingTask {

// variables to hold arguments
private boolean binary;
private String classpath;
private boolean comments;
private boolean compact;
private boolean compile = true;
private boolean console;
private boolean crossref;
private boolean decimal = true;
private File destDir;
private boolean diag;
private boolean explicit;
private boolean format;
private boolean java;
private boolean keep;
private boolean logo = true;
private boolean replace;
private boolean savelog;
private File srcDir;
private boolean sourcedir = true; // ?? Should this be the default for ant?
private boolean strictargs;
private boolean strictassign;
private boolean strictcase;
private boolean strictimport;
private boolean strictprops;
private boolean strictsignal;
private boolean symbols;
private boolean time;
private String trace = "trace2";
private boolean utf8;
private String verbose = "verbose3";

// other implementation variables
private Vector compileList = new Vector();
private Hashtable filecopyList = new Hashtable();
private String oldClasspath = System.getProperty("java.class.path");


/**
* Set whether literals are treated as binary, rather than NetRexx types
*/
public void setBinary(String binary) {
this.binary = Project.toBoolean(binary);
}

/**
* Set the classpath used for NetRexx compilation
*/
public void setClasspath(String classpath) {
this.classpath = classpath;
}

/**
* Set whether comments are passed through to the generated java source.
* Valid true values are "on" or "true". Anything else sets the flag to false.
* The default value is false
*/
public void setComments(String comments) {
this.comments = Project.toBoolean(comments);
}

/**
* Set whether error messages come out in compact or verbose format.
* Valid true values are "on" or "true". Anything else sets the flag to false.
* The default value is false
*/
public void setCompact(String compact) {
this.compact = Project.toBoolean(compact);
}

/**
* Set whether the NetRexx compiler should compile the generated java code
* Valid true values are "on" or "true". Anything else sets the flag to false.
* The default value is true.
* Setting this flag to false, will automatically set the keep flag to true.
*/
public void setCompile(String compile) {
this.compile = Project.toBoolean(compile);
if (!this.compile && !this.keep) this.keep = true;
}

/**
* Set whether or not messages should be displayed on the 'console'
* Valid true values are "on" or "true". Anything else sets the flag to false.
* The default value is true.
*/
public void setConsole(String console) {
this.console = Project.toBoolean(console);
}

/**
* Whether variable cross references are generated
*/
public void setCrossref(String crossref) {
this.crossref = Project.toBoolean(crossref);
}

/**
* Set whether decimal arithmetic should be used for the netrexx code.
* Binary arithmetic is used when this flag is turned off.
* Valid true values are "on" or "true". Anything else sets the flag to false.
* The default value is true.
*/
public void setDecimal(String decimal) {
this.decimal = Project.toBoolean(decimal);
}

/**
* Set the destination directory into which the NetRexx source
* files should be copied and then compiled.
*/
public void setDestDir(String destDirName) {
destDir = project.resolveFile(destDirName);
}

/**
* Whether diagnostic information about the compile is generated
*/
public void setDiag(String diag) {
this.diag = Project.toBoolean(diag);
}

/**
* Sets whether variables must be declared explicitly before use.
* Valid true values are "on" or "true". Anything else sets the flag to false.
* The default value is false.
*/
public void setExplicit(String explicit) {
this.explicit = Project.toBoolean(explicit);
}

/**
* Whether the generated java code is formatted nicely or left to match NetRexx
* line numbers for call stack debugging
*/
public void setFormat(String format) {
this.format = Project.toBoolean(format);
}

/**
* Whether the generated java code is produced
* Valid true values are "on" or "true". Anything else sets the flag to false.
* The default value is false.
*/
public void setJava(String java) {
this.java = Project.toBoolean(java);
}


/**
* Sets whether the generated java source file should be kept after compilation.
* The generated files will have an extension of .java.keep, <b>not</b> .java
* Valid true values are "on" or "true". Anything else sets the flag to false.
* The default value is false.
*/
public void setKeep(String keep) {
this.keep = Project.toBoolean(keep);
}

/**
* Whether the compiler text logo is displayed when compiling
*/
public void setLogo(String logo) {
this.logo = Project.toBoolean(logo);
}

/**
* Whether the generated .java file should be replaced when compiling
* Valid true values are "on" or "true". Anything else sets the flag to false.
* The default value is false.
*/
public void setReplace(String replace) {
this.replace = Project.toBoolean(replace);
}

/**
* Sets whether the compiler messages will be written to NetRexxC.log as
* well as to the console
* Valid true values are "on" or "true". Anything else sets the flag to false.
* The default value is false.
*/
public void setSavelog(String savelog) {
this.savelog = Project.toBoolean(savelog);
}

/**
* Tells the NetRexx compiler to store the class files in the same directory
* as the source files. The alternative is the working directory
* Valid true values are "on" or "true". Anything else sets the flag to false.
* The default value is true.
*/
public void setSourcedir(String sourcedir) {
this.sourcedir = Project.toBoolean(sourcedir);
}

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

/**
* Tells the NetRexx compiler that method calls always need parentheses,
* even if no arguments are needed, e.g. <code>aStringVar.getBytes</code>
* vs. <code>aStringVar.getBytes()</code>
* Valid true values are "on" or "true". Anything else sets the flag to false.
* The default value is false.
*/
public void setStrictargs(String strictargs) {
this.strictargs = Project.toBoolean(strictargs);
}

/**
* Tells the NetRexx compile that assignments must match exactly on type
*/
public void setStrictassign(String strictassign) {
this.strictassign = Project.toBoolean(strictassign);
}

/**
* Specifies whether the NetRexx compiler should be case sensitive or not
*/
public void setStrictcase(String strictcase) {
this.strictcase = Project.toBoolean(strictcase);
}

/**
* Sets whether classes need to be imported explicitly using an
* <code>import</code> statement. By default the NetRexx compiler will import
* certain packages automatically
* Valid true values are "on" or "true". Anything else sets the flag to false.
* The default value is false.
*/
public void setStrictimport(String strictimport) {
this.strictimport = Project.toBoolean(strictimport);
}

/**
* Sets whether local properties need to be qualified explicitly using <code>this</code>
* Valid true values are "on" or "true". Anything else sets the flag to false.
* The default value is false.
*/
public void setStrictprops(String strictprops) {
this.strictprops = Project.toBoolean(strictprops);
}


/**
* Whether the compiler should force catching of exceptions by explicitly named types
*/
public void setStrictsignal(String strictsignal) {
this.strictsignal = Project.toBoolean(strictsignal);
}

/**
* Sets whether debug symbols should be generated into the class file
* Valid true values are "on" or "true". Anything else sets the flag to false.
* The default value is false.
*/
public void setSymbols(String symbols) {
this.symbols = Project.toBoolean(symbols);
}

/**
* Asks the NetRexx compiler to print compilation times to the console
* Valid true values are "on" or "true". Anything else sets the flag to false.
* The default value is false.
*/
public void setTime(String time) {
this.time = Project.toBoolean(time);
}

/**
* Turns on or off tracing and directs the resultant trace output
* Valid values are: "trace", "trace1", "trace2" and "notrace".
* "trace" and "trace2"
*/
public void setTrace(String trace) {
if (trace.equalsIgnoreCase("trace")
|| trace.equalsIgnoreCase("trace1")
|| trace.equalsIgnoreCase("trace2")
|| trace.equalsIgnoreCase("notrace")) {
this.trace = trace;
} else {
throw new BuildException("Unknown trace value specified: '" + trace + "'");
}
}

/**
* Tells the NetRexx compiler that the source is in UTF8
* Valid true values are "on" or "true". Anything else sets the flag to false.
* The default value is false.
*/
public void setUtf8(String utf8) {
this.utf8 = Project.toBoolean(utf8);
}

/**
* Whether lots of warnings and error messages should be generated
*/
public void setVerbose(String verbose) {
this.verbose = verbose;
}

/**
* Executes the task, i.e. does the actual compiler call
*/
public void execute() throws BuildException {

// first off, make sure that we've got a srcdir and destdir
if (srcDir == null || destDir == null ) {
throw new BuildException("srcDir and destDir attributes must be set!");
}

// scan source and dest dirs to build up both copy lists and
// compile lists
// scanDir(srcDir, destDir);
DirectoryScanner ds = getDirectoryScanner(srcDir);

String[] files = ds.getIncludedFiles();

scanDir(srcDir, destDir, files);

// copy the source and support files
copyFilesToDestination();

// compile the source files
if (compileList.size() > 0) {
project.log("Compiling " + compileList.size() + " source files to " + destDir);
doNetRexxCompile();
}
}

/**
* Scans the directory looking for source files to be compiled and
* support files to be copied.
*/
private void scanDir(File srcDir, File destDir, String[] files) {
for (int i = 0; i < files.length; i++) {
File srcFile = new File(srcDir, files[i]);
File destFile = new File(destDir, files[i]);
String filename = files[i];
// if it's a non source file, copy it if a later date than the
// dest
// if it's a source file, see if the destination class file
// needs to be recreated via compilation
if (filename.toLowerCase().endsWith(".nrx")) {
File classFile = new File(destDir, filename.substring(0, filename.lastIndexOf('.')) + ".class");
if (!compile || srcFile.lastModified() > classFile.lastModified()) {
filecopyList.put(srcFile.getAbsolutePath(), destFile.getAbsolutePath());
compileList.addElement(destFile.getAbsolutePath());
}
} else {
if (srcFile.lastModified() > destFile.lastModified()) {
filecopyList.put(srcFile.getAbsolutePath(), destFile.getAbsolutePath());
}
}
}
}

/**
* Copy eligible files from the srcDir to destDir
*/
private void copyFilesToDestination() {
if (filecopyList.size() > 0) {
project.log("Copying " + filecopyList.size() + " files to " + destDir.getAbsolutePath());
Enumeration enum = filecopyList.keys();
while (enum.hasMoreElements()) {
String fromFile = (String)enum.nextElement();
String toFile = (String)filecopyList.get(fromFile);
try {
project.copyFile(fromFile, toFile);
} catch (IOException ioe) {
String msg = "Failed to copy " + fromFile + " to " + toFile
+ " due to " + ioe.getMessage();
throw new BuildException(msg, ioe);
}
}
}
}

/**
* Peforms a copmile using the NetRexx 1.1.x compiler
*/
private void doNetRexxCompile() throws BuildException {
project.log("Using NetRexx compiler", project.MSG_VERBOSE);
String classpath = getCompileClasspath();
StringBuffer compileOptions = new StringBuffer();
StringBuffer fileList = new StringBuffer();

// create an array of strings for input to the compiler: one array
// comes from the compile options, the other from the compileList
String[] compileOptionsArray = getCompileOptionsAsArray();
String[] fileListArray = new String[compileList.size()];
Enumeration e = compileList.elements();
int j = 0;
while (e.hasMoreElements()) {
fileListArray[j] = (String)e.nextElement();
j++;
}
// create a single array of arguments for the compiler
String compileArgs[] = new String[compileOptionsArray.length + fileListArray.length];
for (int i = 0; i < compileOptionsArray.length; i++) {
compileArgs[i] = compileOptionsArray[i];
}
for (int i = 0; i < fileListArray.length; i++) {
compileArgs[i+compileOptionsArray.length] = fileListArray[i];
}

// print nice output about what we are doing for the log
compileOptions.append("Compilation args: ");
for (int i = 0; i < compileOptionsArray.length; i++) {
compileOptions.append(compileOptionsArray[i]);
compileOptions.append(" ");
}
project.log(compileOptions.toString(), project.MSG_VERBOSE);

String eol = System.getProperty("line.separator");
StringBuffer niceSourceList = new StringBuffer("Files to be compiled:" + eol);

for (int i = 0; i < compileList.size(); i++) {
niceSourceList.append(" ");
niceSourceList.append(compileList.elementAt(i).toString());
niceSourceList.append(eol);
}

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

// need to set java.class.path property and restore it later
// since the NetRexx compiler has no option for the classpath
String currentClassPath = System.getProperty("java.class.path");
Properties currentProperties = System.getProperties();
currentProperties.put("java.class.path", classpath);

try {
int rc = COM.ibm.netrexx.process.NetRexxC.main(
new Rexx(compileArgs), new PrintWriter(project.getOutput()));

if (rc > 1) { // 1 is warnings from real NetRexxC
String msg = "Compile failed, messages should have been provided.";
throw new BuildException(msg);
}
} finally {
// need to reset java.class.path property
// since the NetRexx compiler has no option for the classpath
currentProperties = System.getProperties();
currentProperties.put("java.class.path", currentClassPath);
}
}

/**
* Builds the compilation classpath.
*/
private String getCompileClasspath() {
StringBuffer classpath = new StringBuffer();

// add dest dir to classpath so that previously compiled and
// untouched classes are on classpath
classpath.append(destDir.getAbsolutePath());

// add our classpath to the mix
if (this.classpath != null) {
addExistingToClasspath(classpath, this.classpath);
}

// add the system classpath
// addExistingToClasspath(classpath,System.getProperty("java.class.path"));
return classpath.toString();
}

/**
* This
*/
private String[] getCompileOptionsAsArray() {
Vector options = new Vector();
options.addElement(binary ? "-binary" : "-nobinary");
options.addElement(comments ? "-comments" : "-nocomments");
options.addElement(compile ? "-compile" : "-nocompile");
options.addElement(compact ? "-compact" : "-nocompact");
options.addElement(console ? "-console" : "-noconsole");
options.addElement(crossref ? "-crossref" : "-nocrossref");
options.addElement(decimal ? "-decimal" : "-nodecimal");
options.addElement(diag ? "-diag" : "-nodiag");
options.addElement(explicit ? "-explicit": "-noexplicit");
options.addElement(format ? "-format" : "-noformat");
options.addElement(keep ? "-keep" : "-nokeep");
options.addElement(logo ? "-logo" : "-nologo");
options.addElement(replace ? "-replace" : "-noreplace");
options.addElement(savelog ? "-savelog" : "-nosavelog");
options.addElement(sourcedir ? "-sourcedir" : "-nosourcedir");
options.addElement(strictargs ? "-strictargs" : "-nostrictargs");
options.addElement(strictassign ? "-strictassign" : "-nostrictassign");
options.addElement(strictcase ? "-strictcase": "-nostrictcase");
options.addElement(strictimport ? "-strictimport" : "-nostrictimport");
options.addElement(strictprops ? "-strictprops" : "-nostrictprops");
options.addElement(strictsignal ? "-strictsignal" : "-nostrictsignal");
options.addElement(symbols ? "-symbols" : "-nosymbols");
options.addElement(time ? "-time" : "-notime");
options.addElement("-" + trace);
options.addElement(utf8 ? "-utf8" : "-noutf8");
options.addElement("-" + verbose);
String[] results = new String[options.size()];
options.copyInto(results);
return results;
}
/**
* 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 = new StringTokenizer(source,
System.getProperty("path.separator"), false);
while (tok.hasMoreTokens()) {
File f = 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);
}
}

}
}

+ 105
- 0
src/main/org/apache/tools/ant/taskdefs/optional/RenameExtensions.java View File

@@ -0,0 +1,105 @@
/*
* RenameExtensions.java
*
* Created on 16 March 2000, 23:14
*/

package org.apache.tools.ant.taskdefs.optional;

import java.io.*;
import java.util.*;
import org.apache.tools.ant.*;
import org.apache.tools.ant.taskdefs.*;

/**
*
* @author dion
* @version
*/
public class RenameExtensions extends MatchingTask {

private String fromExtension = "";
private String toExtension = "";
private boolean replace = false;
private File srcDir;


/** Creates new RenameExtensions */
public RenameExtensions() {
super();
}

/** store fromExtension **/
public void setFromExtension(String from) {
fromExtension = from;
}

/** store toExtension **/
public void setToExtension(String to) {
toExtension = to;
}

/**
* store replace attribute - this determines whether the target file
* should be overwritten if present
*/
public void setReplace(String replaceString) {
replace = Project.toBoolean(replaceString);
}

/**
* Set the source dir to find the files to be renamed.
*/
public void setSrcDir(String srcDirName) {
srcDir = project.resolveFile(srcDirName);
}

/**
* Executes the task, i.e. does the actual compiler call
*/
public void execute() throws BuildException {

// first off, make sure that we've got a from and to extension
if (fromExtension == null || toExtension == null || srcDir == null) {
throw new BuildException("srcDir, destDir, fromExtension and toExtension attributes must be set!");
}

// scan source and dest dirs to build up rename list
DirectoryScanner ds = getDirectoryScanner(srcDir);

String[] files = ds.getIncludedFiles();

Hashtable renameList = scanDir(srcDir, files);

Enumeration e = renameList.keys();
File fromFile = null;
File toFile = null;
while (e.hasMoreElements()) {
fromFile = (File)e.nextElement();
toFile = (File)renameList.get(fromFile);
if (toFile.exists() && replace) toFile.delete();
if (!fromFile.renameTo(toFile)) throw new BuildException("Rename from: '" + fromFile + "' to '" + toFile + "' failed.");
}

}
private Hashtable scanDir(File srcDir, String[] files) {
Hashtable list = new Hashtable();
for (int i = 0; i < files.length; i++) {
File srcFile = new File(srcDir, files[i]);
String filename = files[i];
// if it's a file that ends in the fromExtension, copy to the rename list
if (filename.toLowerCase().endsWith(fromExtension)) {
File destFile = new File(srcDir, filename.substring(0, filename.lastIndexOf(fromExtension)) + toExtension);
if (replace || !destFile.exists()) {
list.put(srcFile, destFile);
} else {
project.log("Rejecting file: '" + srcFile + "' for rename as replace is false and file exists", Project.MSG_VERBOSE);
}
} else {
project.log("File '"+ filename + "' doesn't match fromExtension: '" + fromExtension + "'", Project.MSG_VERBOSE);
}
}
return list;
}

}

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