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package org.aspectj.apache.bcel.generic;
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" and
* "Apache BCEL" must not be used to endorse or promote products
* derived from this software without prior written permission. For
* written permission, please contact [email protected].
*
* 5. Products derived from this software may not be called "Apache",
* "Apache BCEL", nor may "Apache" appear in their name, without
* prior written permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* .
*/
import org.aspectj.apache.bcel.Constants;
import org.aspectj.apache.bcel.generic.InstructionHandle;
/**
* Returnaddress, the type JSR or JSR_W instructions push upon the stack.
*
* see vmspec2 ?3.3.3
* @version $Id: ReturnaddressType.java,v 1.3 2008/05/28 23:52:56 aclement Exp $
* @author Enver Haase
*/
public class ReturnaddressType extends Type {
public static final ReturnaddressType NO_TARGET = new ReturnaddressType();
private InstructionHandle returnTarget;
/**
* A Returnaddress [that doesn't know where to return to].
*/
private ReturnaddressType(){
super(Constants.T_ADDRESS, "");
}
/**
* Creates a ReturnaddressType object with a target.
*/
public ReturnaddressType(InstructionHandle returnTarget) {
super(Constants.T_ADDRESS, "");
this.returnTarget = returnTarget;
}
/**
* Returns if the two Returnaddresses refer to the same target.
*/
public boolean equals(Object rat){
if(!(rat instanceof ReturnaddressType))
return false;
return ((ReturnaddressType)rat).returnTarget.equals(this.returnTarget);
}
/**
* @return the target of this ReturnaddressType
*/
public InstructionHandle getTarget(){
return returnTarget;
}
}