scouter.javassist.bytecode.analysis.Subroutine 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 scouter.javassist.bytecode.analysis;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
/**
* Represents a nested method subroutine (marked by JSR and RET).
*
* @author Jason T. Greene
*/
public class Subroutine {
//private Set callers = new HashSet();
private List callers = new ArrayList();
private Set access = new HashSet();
private int start;
public Subroutine(int start, int caller) {
this.start = start;
callers.add(new Integer(caller));
}
public void addCaller(int caller) {
callers.add(new Integer(caller));
}
public int start() {
return start;
}
public void access(int index) {
access.add(new Integer(index));
}
public boolean isAccessed(int index) {
return access.contains(new Integer(index));
}
public Collection accessed() {
return access;
}
public Collection callers() {
return callers;
}
public String toString() {
return "start = " + start + " callers = " + callers.toString();
}
}