/*
* reserved comment block
* DO NOT REMOVE OR ALTER!
*/
package com.sun.org.apache.bcel.internal.generic;
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*
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* individuals on behalf of the Apache Software Foundation. For more
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import com.sun.org.apache.bcel.internal.Constants;
import java.util.Objects;
/**
* Returnaddress, the type JSR or JSR_W instructions push upon the stack.
*
* see vmspec2 3.3.3
* @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;
}
@Override
public int hashCode() {
return Objects.hashCode(this.returnTarget);
}
/**
* Returns if the two Returnaddresses refer to the same target.
*/
@Override
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;
}
}