soot.EquivalentValue Maven / Gradle / Ivy
/* Soot - a J*va Optimization Framework
* Copyright (C) 2000 Patrick Lam
* extended 2002 Florian Loitsch
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the Sable Research Group and others 1997-1999.
* See the 'credits' file distributed with Soot for the complete list of
* contributors. (Soot is distributed at http://www.sable.mcgill.ca/soot)
*/
package soot;
import java.util.*;
import soot.util.*;
/**
* Encapsulates the Value class, but uses EquivTo for equality comparisons.
* Also uses equivHashCode as its hash code. */
public class EquivalentValue implements Value {
Value e;
public EquivalentValue(Value e) { this.e = e; }
public boolean equals(Object o)
{
if (o instanceof EquivalentValue)
o = ((EquivalentValue)o).e;
return e.equivTo(o);
}
/**
* compares the encapsulated value with v, using
* equivTo
**/
public boolean equivToValue(Value v) {
return e.equivTo(v);
}
/**
* compares the encapsulated value with v, using
* equals
**/
public boolean equalsToValue(Value v) {
return e.equals(v);
}
/**
* returns the deepest Value stored in this. If the
* immediate stored value is an EquivalentValue its deepest value is
* returned.
**/
public Value getDeepestValue() {
Value deepest = e;
while (e instanceof EquivalentValue)
deepest = ((EquivalentValue)deepest).getValue();
return deepest;
}
public int hashCode() { return e.equivHashCode(); }
public String toString() { return e.toString(); }
public Value getValue() { return e; }
/*********************************/
/* implement the Value-interface */
/*********************************/
public List getUseBoxes() {
return e.getUseBoxes();
}
public Type getType() {
return e.getType();
}
public Object clone() {
EquivalentValue equiVal = new EquivalentValue((Value)e.clone());
return equiVal;
}
public boolean equivTo(Object o) {
return e.equivTo(o);
}
public int equivHashCode() {
return e.equivHashCode();
}
public void apply(Switch sw) {
e.apply(sw);
}
public void toString( UnitPrinter up ) {
e.toString(up);
}
}