/*******************************************************************************
* Copyright (c) 2005, 2015 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:
* Andrew Gvozdev (Quoin Inc.) - initial API and implementation adapted from MakeErrorParser
* Marc-Andre Laperle (Ericsson) - Bug 462036
*******************************************************************************/
package org.eclipse.cdt.internal.errorparsers;
import java.util.regex.Matcher;
import org.eclipse.cdt.core.ErrorParserManager;
import org.eclipse.cdt.core.errorparsers.AbstractErrorParser;
import org.eclipse.cdt.core.errorparsers.ErrorPattern;
import org.eclipse.core.runtime.Path;
/**
* Class {@code CWDLocator} is used to change working directory from where file name is searched by
* {@link ErrorParserManager}. The intention is to handle make output of commands "pushd" and "popd".
*/
public class CWDLocator extends AbstractErrorParser {
private static boolean enabled = true;
@Override
public boolean processLine(String line, ErrorParserManager manager) {
int lineNumber = manager.getLineCounter();
// enable on first line (can be previously disabled if processed parallel build)
if (lineNumber==1)
enabled = true;
if (enabled)
return super.processLine(line, manager);
return false;
}
private static final ErrorPattern[] patterns = {
// parallel build makes interleaved output and so this parser useless
// turn it off in that case
new ErrorPattern("^\\w*make.*\\s((-j)|(--jobs=))(\\s*\\d*)", 0, 0) { //$NON-NLS-1$
@Override
protected boolean recordError(Matcher matcher, ErrorParserManager eoParser) {
String jobs = matcher.group(4).trim();
if (!jobs.equals("1")) { //$NON-NLS-1$
enabled = false;
int parseLevel = eoParser.getDirectoryLevel();
for (int level=0; level < parseLevel; level++) {
eoParser.popDirectoryURI();
}
}
return false;
}
},
new ErrorPattern("make\\[(.*)\\]: Entering directory [`'](.*)'", 0, 0) { //$NON-NLS-1$
@Override
protected boolean recordError(Matcher matcher, ErrorParserManager eoParser) {
int level;
try {
level = Integer.valueOf(matcher.group(1)).intValue();
} catch (NumberFormatException e) {
level = 0;
}
String dir = matcher.group(2);
/*
* Sometimes make screws up the output, so "leave" events can't be seen. Double-check
* level here.
*/
int parseLevel = eoParser.getDirectoryLevel();
for (; level < parseLevel; level++) {
eoParser.popDirectoryURI();
}
eoParser.pushDirectory(new Path(dir));
return true;
}
},
// This is emitted by GNU make using options -w or --print-directory.
new ErrorPattern("make: Entering directory [`'](.*)'", 0, 0) { //$NON-NLS-1$
@Override
protected boolean recordError(Matcher matcher, ErrorParserManager eoParser) {
String dir = matcher.group(1);
eoParser.pushDirectory(new Path(dir));
return true;
}
},
new ErrorPattern("make(\\[.*\\])?: Leaving directory", 0, 0) { //$NON-NLS-1$
@Override
protected boolean recordError(Matcher matcher, ErrorParserManager eoParser) {
eoParser.popDirectoryURI();
return true;
}
},
};
public CWDLocator() {
super(patterns);
enabled = true;
}
}