/*
* 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.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();
}
}