gecko-dev/gc/boehm/leaksoup/FileLocator.java
2005-12-31 16:02:07 +00:00

167 lines
7.0 KiB
Java
Executable File

/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code, released
* March 31, 1998.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Patrick C. Beard <beard@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
import java.io.*;
import java.util.*;
public class FileLocator {
static boolean USE_BLAME = false;
static boolean ASSIGN_BLAME = false;
static final String MOZILLA_BASE = "/mozilla/";
static final String LXR_BASE = "http://lxr.mozilla.org/seamonkey/source/";
static final String BONSAI_BASE = "http://bonsai.mozilla.org/cvsblame.cgi?file=";
static final String NS_BASE = "/ns/";
static final String NS_BONSAI_URL = "http://warp.mcom.com/webtools/bonsai/cvsblame.cgi?root=/m/src&file=";
static final Hashtable fileTables = new Hashtable();
static final RevisionTable revisionTable = new RevisionTable();
static final BlameTable blameTable = new BlameTable();
static final Hashtable addr2LineTable = new Hashtable();
public static String getFileLocation(byte[] line) throws IOException {
return getFileLocation(new String(line));
}
public static String getFileLocation(String line) throws IOException {
// start from the LAST occurence of '[', as C++ symbols can include it.
int leftBracket = line.lastIndexOf('[');
if (leftBracket == -1)
return line;
int rightBracket = line.indexOf(']', leftBracket + 1);
if (rightBracket == -1)
return line;
// generalize for Linux & Mac versions of the Leak detector.
String fullPath;
int lineNumber, lineAnchor;
int comma = line.indexOf(',', leftBracket + 1);
if (comma != -1) {
// Mac format: unmangled_symbol[mac_path,byte_offset]
String macPath = line.substring(leftBracket + 1, comma);
fullPath = "/" + macPath.replace(':', '/');
// compute the line number in the file.
int offset = 0;
try {
offset = Integer.parseInt(line.substring(comma + 1, rightBracket));
} catch (NumberFormatException nfe) {
return line;
} catch (StringIndexOutOfBoundsException sobe) {
System.err.println("### Error processing line: " + line);
System.err.println("### comma = " + comma + ", rightBracket = " + rightBracket);
System.err.flush();
return line;
}
FileTable table = (FileTable) fileTables.get(fullPath);
if (table == null) {
table = new FileTable(fullPath);
fileTables.put(fullPath, table);
}
lineNumber = 1 + table.getLine(offset);
lineAnchor = lineNumber;
} else {
int space = line.indexOf(' ', leftBracket + 1);
if (space != -1) {
// Raw Linux format: mangled_symbol[library +address]
String library = line.substring(leftBracket + 1, space);
String address = line.substring(space + 1, rightBracket);
Addr2Line addr2line = (Addr2Line) addr2LineTable.get(library);
if (addr2line == null) {
System.out.println("new Addr2Line["+library+"]");
addr2line = new Addr2Line(library);
addr2LineTable.put(library, addr2line);
}
line = addr2line.getLine(address);
return getFileLocation(line);
} else {
// Linux format: unmangled_symbol[unix_path:line_number]
int colon = line.indexOf(':', leftBracket + 1);
fullPath = line.substring(leftBracket + 1, colon);
try {
lineNumber = Integer.parseInt(line.substring(colon + 1, rightBracket));
} catch (NumberFormatException nfe) {
return line;
}
lineAnchor = lineNumber;
}
}
// compute the URL of the file.
int mozillaIndex = fullPath.indexOf(MOZILLA_BASE);
String locationURL = null, blameInfo = "";
if (mozillaIndex > -1) {
// if using blame, hilite the line number of the call, and include the revision.
String mozillaPath = fullPath.substring(mozillaIndex + 1);
String revision = revisionTable.getRevision(fullPath);
String bonsaiPath = mozillaPath + (revision.length() > 0 ? "&rev=" + revision : "");
if (USE_BLAME) {
locationURL = BONSAI_BASE + bonsaiPath + "&mark=" + lineNumber;
if (lineAnchor > 10)
lineAnchor -= 10;
} else {
locationURL = LXR_BASE + mozillaPath.substring(MOZILLA_BASE.length());
}
if (ASSIGN_BLAME)
blameInfo = " (" + blameTable.getBlame(bonsaiPath, lineNumber) + ")";
} else {
int nsIndex = fullPath.indexOf(NS_BASE);
if (nsIndex > -1 && USE_BLAME) {
// if using blame, hilite the line number of the call, and include the revision.
String nsPath = fullPath.substring(nsIndex + 1);
String revision = revisionTable.getRevision(fullPath);
String bonsaiPath = nsPath + (revision.length() > 0 ? "&rev=" + revision : "");
locationURL = NS_BONSAI_URL + bonsaiPath + "&mark=" + lineNumber;
if (lineAnchor > 10)
lineAnchor -= 10;
if (ASSIGN_BLAME)
blameInfo = " (" + blameTable.getBlame(bonsaiPath, lineNumber) + ")";
} else {
locationURL = "file://" + fullPath;
}
}
return "<A HREF=\"" + locationURL + "#" + lineAnchor + "\"TARGET=\"SOURCE\">" + line.substring(0, leftBracket) + "</A>" + blameInfo;
}
}