javassist.tools.framedump Maven / Gradle / Ivy
/*
* Javassist, a Java-bytecode translator toolkit.
* Copyright (C) 1999- Shigeru Chiba. All Rights Reserved.
*
* 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. Alternatively, the contents of this file may be used under
* the terms of the GNU Lesser General Public License Version 2.1 or later,
* or the Apache License Version 2.0.
*
* 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.
*/
package javassist.tools;
import javassist.ClassPool;
import javassist.CtClass;
import javassist.bytecode.analysis.FramePrinter;
/**
* framedump is a tool for viewing a merged combination of the instructions and frame state
* of all methods in a class.
*
* For example,
*
% java javassist.tools.framedump foo.class
*/
public class framedump {
private framedump() {}
/**
* Main method.
*
* @param args args[0] is the class file name.
*/
public static void main(String[] args) throws Exception {
if (args.length != 1) {
System.err.println("Usage: java javassist.tools.framedump ");
return;
}
ClassPool pool = ClassPool.getDefault();
CtClass clazz = pool.get(args[0]);
System.out.println("Frame Dump of " + clazz.getName() + ":");
FramePrinter.print(clazz, System.out);
}
}