1/*
2 * Javassist, a Java-bytecode translator toolkit.
3 * Copyright (C) 1999-2007 Shigeru Chiba, and others. All Rights Reserved.
4 *
5 * The contents of this file are subject to the Mozilla Public License Version
6 * 1.1 (the "License"); you may not use this file except in compliance with
7 * the License.  Alternatively, the contents of this file may be used under
8 * the terms of the GNU Lesser General Public License Version 2.1 or later.
9 *
10 * Software distributed under the License is distributed on an "AS IS" basis,
11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 * for the specific language governing rights and limitations under the
13 * License.
14 */
15package javassist.tools;
16
17import javassist.ClassPool;
18import javassist.CtClass;
19import javassist.bytecode.analysis.FramePrinter;
20
21/**
22 * framedump is a tool for viewing a merged combination of the instructions and frame state
23 *  of all methods in a class.
24 *
25 * <p>For example,
26 * <ul><pre>% java javassist.tools.framedump foo.class</pre></ul>
27 */
28public class framedump {
29    private framedump() {}
30
31    /**
32     * Main method.
33     *
34     * @param args <code>args[0]</code> is the class file name.
35     */
36    public static void main(String[] args) throws Exception {
37        if (args.length != 1) {
38            System.err.println("Usage: java javassist.tools.framedump <class file name>");
39            return;
40        }
41
42        ClassPool pool = ClassPool.getDefault();
43        CtClass clazz = pool.get(args[0]);
44        System.out.println("Frame Dump of " + clazz.getName() + ":");
45        FramePrinter.print(clazz, System.out);
46    }
47}
48