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/*******************************************************************************
* Copyright (c) 2006, 2011 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.make.xlc.core.scannerconfig;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.eclipse.cdt.core.IMarkerGenerator;
import org.eclipse.cdt.make.core.scannerconfig.IScannerInfoCollector;
import org.eclipse.cdt.make.core.scannerconfig.IScannerInfoCollector2;
import org.eclipse.cdt.make.core.scannerconfig.IScannerInfoConsoleParser;
import org.eclipse.cdt.make.core.scannerconfig.ScannerInfoTypes;
import org.eclipse.cdt.make.internal.core.scannerconfig.util.TraceUtil;
import org.eclipse.cdt.make.xlc.core.activator.Activator;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
/**
* Parses output of ppuxlc -E -v specs.c or ppuxlc -E -v specs.cpp command
*
* @author laggarcia
* @since 1.0.0
*/
public class XlCSpecsConsoleParser implements IScannerInfoConsoleParser {
// pattern for the output line of interest
final Pattern linePattern = Pattern
.compile("exec:\\s(?!export)(?:.*)\\((.*)\\)"); //$NON-NLS-1$
// pattern for the symbols arguments
final Pattern symbolPattern = Pattern.compile("-D(.*)"); //$NON-NLS-1$
// pattern for the includes arguments
final Pattern includePattern = Pattern
.compile("-(?:qgcc_c_stdinc|qc_stdinc|qgcc_cpp_stdinc|qcpp_stdinc)=(.*)"); //$NON-NLS-1$
// xlC compiler constants
protected final static String [] compilerConstants = {
"__IBMCPP__", //$NON-NLS-1$
"__xlC__", //$NON-NLS-1$
"__IBMC__", //$NON-NLS-1$
"__xlc__" //$NON-NLS-1$
};
private IProject fProject = null;
protected IScannerInfoCollector fCollector = null;
protected List<String> symbols = new ArrayList<String>();
protected List<String> includes = new ArrayList<String>();
/*
* (non-Javadoc)
*
* @see org.eclipse.cdt.make.core.scannerconfig.IScannerInfoConsoleParser#startup(org.eclipse.core.resources.IProject,
* org.eclipse.core.runtime.IPath,
* org.eclipse.cdt.make.core.scannerconfig.IScannerInfoCollector,
* org.eclipse.cdt.core.IMarkerGenerator)
* @since 1.0
*/
@Override
public void startup(IProject project, IPath workingDirectory,
IScannerInfoCollector collector, IMarkerGenerator markerGenerator) {
this.fProject = project;
this.fCollector = collector;
}
/*
* Process an output line from the compiler command line used to retrieve
* standard information about the compiler being used. <p> During the
* processing, builds two List objects, one with the standard symbols
* defined in the compiler and other with the standard include directories.
*
* @param line the output line from the compiler command line used @return
* boolean
*
* @see org.eclipse.cdt.make.intrenal.core.scannerconfig.gnu.GCCSpecsConsoleParser#processLine(java.lang.String)
* @since 1.0
*/
@Override
public boolean processLine(String line) {
boolean rc = false;
TraceUtil.outputTrace(
"XLCSpecsConsoleParser parsing line: [", line, "]"); //$NON-NLS-1$ //$NON-NLS-2$
// testing the output line against the pattern of interest
Matcher lineMatcher = linePattern.matcher(line);
if (lineMatcher.matches()) {
// getting the arguments from the line of interest from the
// output
// generated in command line
String[] args = lineMatcher.group(1).split(","); //$NON-NLS-1$
for (int i = 0; i < args.length; i++) {
// getting the arguments of interest
Matcher symbolMatcher = symbolPattern.matcher(args[i]);
if (symbolMatcher.matches()
&& !symbols.contains(symbolMatcher.group(1))) {
// if it is a symbol and it was not yet added
symbols.add(symbolMatcher.group(1));
} else {
// if it is not a symbol, check to see if it is an
// include
Matcher includeMatcher = includePattern.matcher(args[i]);
if (includeMatcher.matches()) {
// if it is a set of include paths, split it
String[] includePaths = includeMatcher.group(1).split(
":"); //$NON-NLS-1$
for (int j = 0; j < includePaths.length; j++) {
if (!includes.contains(includePaths[j])) {
// if the include path was not yet added
includes.add(includePaths[j]);
}
}
}
}
}
}
return rc;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.cdt.make.internal.core.scannerconfig.IScannerInfoConsoleParser#shutdown()
* @since 1.0
*/
@Override
public void shutdown() {
Map<ScannerInfoTypes, List<String>> scannerInfo = new HashMap<ScannerInfoTypes, List<String>>();
// insert compiler constants, work around buggy xlC option for dumping symbols (it misses a few)
for (String constant : compilerConstants) {
if (!symbols.contains(constant))
symbols.add(constant);
}
// add the scanner info
scannerInfo.put(ScannerInfoTypes.INCLUDE_PATHS, includes);
scannerInfo.put(ScannerInfoTypes.SYMBOL_DEFINITIONS, symbols);
fCollector.contributeToScannerConfig(fProject, scannerInfo);
if(fCollector != null && fCollector instanceof IScannerInfoCollector2) {
IScannerInfoCollector2 collector = (IScannerInfoCollector2) fCollector;
try {
collector.updateScannerConfiguration(null);
} catch (CoreException e) {
// TODO Auto-generated catch block
Activator.log(e);
}
}
TraceUtil.outputTrace(
"Scanner info from \'specs\' file", //$NON-NLS-1$
"Include paths", includes, new ArrayList<String>(), "Defined symbols", symbols); //$NON-NLS-1$ //$NON-NLS-2$
}
}
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