mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-07 04:05:49 +00:00
109 lines
3.7 KiB
Java
109 lines
3.7 KiB
Java
/* -*- 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.util.Enumeration;
|
|
import java.util.Vector;
|
|
|
|
/**
|
|
* Represents a global tree of calls.
|
|
*/
|
|
public class CallTree {
|
|
public static class Node {
|
|
int id;
|
|
Node parent;
|
|
String data;
|
|
|
|
public Node(int id, Node parent) {
|
|
this.id = id;
|
|
this.parent = parent;
|
|
}
|
|
};
|
|
|
|
private Vector nodes = new Vector(16000);
|
|
private StringTable strings;
|
|
|
|
public CallTree(StringTable strings) {
|
|
nodes.addElement(null);
|
|
this.strings = strings;
|
|
}
|
|
|
|
/**
|
|
* Parses a line of the form:
|
|
* <c id=number pid=number>function[file,offset]</c>
|
|
*/
|
|
public Node parseNode(String line) {
|
|
try {
|
|
int start = 1 + line.indexOf('=');
|
|
int endTag = line.indexOf('>');
|
|
if (line.charAt(endTag - 1) == '/') {
|
|
// just references an already parsed node.
|
|
int id = Integer.parseInt(line.substring(start, endTag - 1));
|
|
return (Node) nodes.elementAt(id);
|
|
} else {
|
|
int end = line.indexOf(' ', start + 1);
|
|
int id = Integer.parseInt(line.substring(start, end));
|
|
start = 1 + line.indexOf('=', end + 1);
|
|
end = line.indexOf('>', start + 1);
|
|
int pid = Integer.parseInt(line.substring(start, end));
|
|
Node node = addNode(id, pid);
|
|
start = end + 1;
|
|
end = line.lastIndexOf('<');
|
|
node.data = strings.intern(line.substring(start, end));
|
|
return node;
|
|
}
|
|
} catch (NumberFormatException nfe) {
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public Node addNode(int id, int pid) {
|
|
Node parent = (Node) nodes.elementAt(pid);
|
|
Node node = new Node(id, parent);
|
|
nodes.addElement(node);
|
|
if (nodes.size() != (id + 1))
|
|
throw new Error("inconsistent node id");
|
|
return node;
|
|
}
|
|
|
|
public Node getNode(int id) {
|
|
return (Node) nodes.elementAt(id);
|
|
}
|
|
}
|