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/*******************************************************************************
* Copyright (c) 2009 Red Hat, Inc.
* 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:
* Elliott Baron <ebaron@redhat.com> - initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.valgrind.cachegrind;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import org.eclipse.linuxtools.valgrind.cachegrind.model.CachegrindDescription;
import org.eclipse.linuxtools.valgrind.cachegrind.model.CachegrindFile;
import org.eclipse.linuxtools.valgrind.cachegrind.model.CachegrindFunction;
import org.eclipse.linuxtools.valgrind.cachegrind.model.CachegrindLine;
import org.eclipse.linuxtools.valgrind.cachegrind.model.CachegrindOutput;
import org.eclipse.linuxtools.valgrind.core.AbstractValgrindTextParser;
public class CachegrindParser extends AbstractValgrindTextParser {
private static final String CMD = "cmd"; //$NON-NLS-1$
private static final String DESC = "desc"; //$NON-NLS-1$
private static final String FL = "fl"; //$NON-NLS-1$
private static final String FN = "fn"; //$NON-NLS-1$
private static final String EVENTS = "events"; //$NON-NLS-1$
private static final String SUMMARY = "summary"; //$NON-NLS-1$
private static final String COMMA = ","; //$NON-NLS-1$
protected static CachegrindParser instance;
protected CachegrindParser() {
}
public static CachegrindParser getParser() {
if (instance == null) {
instance = new CachegrindParser();
}
return instance;
}
public void parse(CachegrindOutput output, File cgOut) throws IOException {
BufferedReader br = null;
try {
br = new BufferedReader(new FileReader(cgOut));
output.setPid(parsePID(cgOut.getName(), CachegrindLaunchDelegate.OUT_PREFIX));
String line;
CachegrindFile curFl = null;
CachegrindFunction curFn = null;
while ((line = br.readLine()) != null) {
if (line.startsWith(EVENTS + COLON)) {
output.setEvents(parseStrValue(line, COLON + SPACE).split(SPACE));
}
else if (line.startsWith(CMD + COLON)) {
output.setCommand(parseStrValue(line, COLON + SPACE));
}
else if (line.startsWith(DESC + COLON)) {
CachegrindDescription description = parseDescription(line);
output.addDescription(description);
}
else if (line.startsWith(FL + EQUALS)) {
curFl = new CachegrindFile(output, parseStrValue(line, EQUALS));
output.addFile(curFl);
}
else if (line.startsWith(FN + EQUALS)) {
if (curFl != null) {
curFn = new CachegrindFunction(curFl, parseStrValue(line, EQUALS));
curFl.addFunction(curFn);
}
else {
fail(line);
}
}
else if (line.startsWith(SUMMARY + COLON)) {
long[] summary = parseData(line, parseStrValue(line, COLON + SPACE).split(SPACE));
output.setSummary(summary);
}
else { // line data
String[] tokens = line.split(SPACE, 2);
if (isNumber(tokens[0])) {
int lineNo = Integer.parseInt(tokens[0]);
long[] data = parseData(line, tokens[1].split(SPACE));
if (curFn != null) {
curFn.addLine(new CachegrindLine(curFn, lineNo, data));
}
else {
fail(line);
}
}
else {
fail(line);
}
}
}
} finally {
if (br != null) {
br.close();
}
}
}
private long[] parseData(String line, String[] data) throws IOException {
long[] result = new long[data.length];
for (int i = 0; i < data.length; i++) {
if (!isNumber(data[i])) {
fail(line);
}
result[i] = Long.parseLong(data[i]);
}
return result;
}
private CachegrindDescription parseDescription(String line) throws IOException {
CachegrindDescription desc = null;
String[] tokens = line.split(COLON + "\\s+"); //$NON-NLS-1$
if (tokens.length == 3) {
String name = tokens[1];
tokens = tokens[2].split(COMMA + SPACE);
if (tokens.length == 3) {
desc = new CachegrindDescription(name, tokens[0], tokens[1], tokens[2]);
}
else {
fail(line);
}
}
else {
fail(line);
}
return desc;
}
}
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