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EquivalentValue.java
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121 lines (101 loc) · 2.63 KB
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package soot;
/*-
* #%L
* Soot - a J*va Optimization Framework
* %%
* Copyright (C) 2000 Patrick Lam
* extended 2002 Florian Loitsch
* %%
* This program 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 program 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 General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/lgpl-2.1.html>.
* #L%
*/
import java.util.List;
import soot.util.Switch;
/**
* Encapsulates the Value class, but uses EquivTo for equality comparisons. Also uses equivHashCode as its hash code.
*/
@SuppressWarnings("serial")
public class EquivalentValue implements Value {
private final Value e;
public EquivalentValue(Value v) {
this.e = (v instanceof EquivalentValue) ? ((EquivalentValue) v).e : v;
}
@Override
public boolean equals(Object o) {
return e.equivTo((o instanceof EquivalentValue) ? ((EquivalentValue) o).e : o);
}
/**
* compares the encapsulated value with <code>v</code>, using <code>equivTo</code>
*/
public boolean equivToValue(Value v) {
return e.equivTo(v);
}
/**
* compares the encapsulated value with <code>v</code>, using <code>equals</code>
*/
public boolean equalsToValue(Value v) {
return e.equals(v);
}
/**
* @deprecated
* @see #getValue()
*/
@Deprecated
public Value getDeepestValue() {
return getValue();
}
@Override
public int hashCode() {
return e.equivHashCode();
}
@Override
public String toString() {
return e.toString();
}
public Value getValue() {
return e;
}
/*********************************/
/* implement the Value-interface */
/*********************************/
@Override
public List<ValueBox> getUseBoxes() {
return e.getUseBoxes();
}
@Override
public Type getType() {
return e.getType();
}
@Override
public Object clone() {
return new EquivalentValue((Value) e.clone());
}
@Override
public boolean equivTo(Object o) {
return e.equivTo(o);
}
@Override
public int equivHashCode() {
return e.equivHashCode();
}
@Override
public void apply(Switch sw) {
e.apply(sw);
}
@Override
public void toString(UnitPrinter up) {
e.toString(up);
}
}