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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 apache@apache.org.
- *
- * 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
- * <http://www.apache.org/>.
- */
- import org.aspectj.apache.bcel.Constants;
-
- /**
- * 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 <A HREF="http://www.inf.fu-berlin.de/~ehaase">Enver Haase</A>
- */
- 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, "<return address>");
- }
-
- /**
- * Creates a ReturnaddressType object with a target.
- */
- public ReturnaddressType(InstructionHandle returnTarget) {
- super(Constants.T_ADDRESS, "<return address targeting "+returnTarget+">");
- 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;
- }
- }
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