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/*
*
* 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.os390;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Vector;
import net.sf.antcontrib.cpptasks.CCTask;
import net.sf.antcontrib.cpptasks.CUtil;
import net.sf.antcontrib.cpptasks.compiler.CommandLineLinker;
import net.sf.antcontrib.cpptasks.compiler.CommandLineLinkerConfiguration;
import net.sf.antcontrib.cpptasks.compiler.LinkType;
import net.sf.antcontrib.cpptasks.compiler.Linker;
import net.sf.antcontrib.cpptasks.types.LibrarySet;
import net.sf.antcontrib.cpptasks.types.LibraryTypeEnum;
import net.sf.antcontrib.cpptasks.VersionInfo;
import org.apache.tools.ant.BuildException;
/**
* Adapter for the IBM (R) OS/390 (tm) Linker
*
* @author Hiram Chirino (cojonudo14@hotmail.com)
*/
public final class OS390Linker extends CommandLineLinker {
private static final OS390Linker datasetLinker = new OS390Linker();
private static final OS390Linker dllLinker = new OS390Linker("", ".dll");
private static final OS390Linker instance = new OS390Linker("", "");
public static OS390Linker getDataSetInstance() {
return datasetLinker;
}
public static OS390Linker getInstance() {
return instance;
}
private final boolean isADatasetLinker;
File outputFile;
private final String outputPrefix;
CCTask task;
private OS390Linker() {
super("cxx", "/bogus", new String[]{".o", ".a", ".lib", ".xds"},
new String[]{".dll", ".x"}, ".xds", false, false, null);
this.outputPrefix = "";
this.isADatasetLinker = true;
}
private OS390Linker(final String outputPrefix, final String outputSuffix) {
super("cxx", "/bogus", new String[]{".o", ".a", ".lib", ".x"},
new String[]{".dll"}, outputSuffix, false, false, null);
this.outputPrefix = outputPrefix;
this.isADatasetLinker = false;
}
@Override
protected void addBase(final long base, final Vector args) {
}
@Override
protected void addFixed(final Boolean fixed, final Vector args) {
}
@Override
protected void addImpliedArgs(final boolean debug, final LinkType linkType, final Vector args) {
if (linkType.isSharedLibrary()) {
args.addElement("-W");
args.addElement("l,DLL");
}
}
@Override
protected void addIncremental(final boolean incremental, final Vector args) {
}
/*
* @see CommandLineLinker#addLibrarySets(LibrarySet[], Vector, Vector,
* Vector)
*/
@Override
protected String[] addLibrarySets(final CCTask task, final LibrarySet[] libsets,
final Vector preargs, final Vector midargs, final Vector endargs) {
// If yo want to link against a library sitting in a dataset and
// not in the HFS, you can just use the //'dataset' notation
// to specify it. e.g:
// <libset dir="." libs="//'MQM.V5R2M0.SCSQLOAD'"/>
//
// We have to have special handling here because the file is not
// on the normal filesystem so the task will not noramly include it
// as part of the link command.
if (libsets != null) {
for (int i = 0; i < libsets.length; i++) {
final String libs[] = libsets[i].getLibs();
for (int j = 0; j < libs.length; j++) {
if (libs[j].startsWith("//")) {
endargs.addElement("-l");
endargs.addElement(libs[j]);
} else if (libsets[i].getDataset() != null) {
final String ds = libsets[i].getDataset();
endargs.addElement("//'" + ds + "(" + libs[j] + ")'");
}
}
}
}
return super.addLibrarySets(task, libsets, preargs, midargs, endargs);
}
@Override
protected void addMap(final boolean map, final Vector args) {
}
@Override
protected void addStack(final int stack, final Vector args) {
}
@Override
protected void addEntry(final String entry, final Vector args) {
}
@Override
public String getCommandFileSwitch(final String commandFile) {
return "@" + commandFile;
}
@Override
public File[] getLibraryPath() {
return CUtil.getPathFromEnvironment("LIB", ";");
}
@Override
public String[] getLibraryPatterns(final String[] libnames, final LibraryTypeEnum libType) {
final StringBuffer buf = new StringBuffer();
final String[] patterns = new String[libnames.length * 3];
int offset = addLibraryPatterns(libnames, buf, "lib", ".a", patterns, 0);
offset = addLibraryPatterns(libnames, buf, "", ".x", patterns, offset);
offset = addLibraryPatterns(libnames, buf, "", ".o", patterns, offset);
return patterns;
}
private static int addLibraryPatterns(final String[] libnames, final StringBuffer buf,
final String prefix, final String extension, final String[] patterns, final int offset) {
for (int i = 0; i < libnames.length; i++) {
buf.setLength(0);
buf.append(prefix);
buf.append(libnames[i]);
buf.append(extension);
patterns[offset + i] = buf.toString();
}
return offset + libnames.length;
}
@Override
public Linker getLinker(final LinkType linkType) {
if (this == datasetLinker)
return datasetLinker;
if (linkType.isSharedLibrary())
return dllLinker;
return instance;
}
@Override
public int getMaximumCommandLength() {
return Integer.MAX_VALUE;
}
@Override
public String getOutputFileName(final String baseName, final VersionInfo versionInfo) {
return outputPrefix + super.getOutputFileName(baseName, versionInfo);
}
@Override
protected String[] getOutputFileSwitch(final CCTask task, String outputFile) {
if (isADatasetLinker && task.getDataset() != null) {
final String ds = task.getDataset();
outputFile = "//'" + ds + "(" + outputFile + ")'";
}
return getOutputFileSwitch(outputFile);
}
@Override
public String[] getOutputFileSwitch(final String outputFile) {
return new String[]{"-o", outputFile};
}
@Override
public boolean isCaseSensitive() {
return OS390Processor.isCaseSensitive();
}
/*
* @see CommandLineLinker#link(Task, File, String[],
* CommandLineLinkerConfiguration)
*/
@Override
public void link(final CCTask task, File outputFile, final String[] sourceFiles,
final CommandLineLinkerConfiguration config) throws BuildException {
this.task = task;
this.outputFile = outputFile;
if (isADatasetLinker) {
final int p = outputFile.getName().indexOf(".");
if (p >= 0) {
final String newname = outputFile.getName().substring(0, p);
outputFile = new File(outputFile.getParent(), newname);
}
}
super.link(task, outputFile, sourceFiles, config);
}
/*
* @see CommandLineLinker#runCommand(Task, File, String[])
*/
@Override
protected int runCommand(final CCTask task, final File workingDir, final String[] cmdline)
throws BuildException {
final int rc = super.runCommand(task, workingDir, cmdline);
// create the .xds file if everything was ok.
if (rc == 0) {
try {
outputFile.delete();
new FileOutputStream(outputFile).close();
} catch (final IOException e) {
throw new BuildException(e.getMessage());
}
}
return rc;
}
}
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