/* Soot - a J*va Optimization Framework * Copyright (C) 1997-1999 Raja Vallee-Rai * * 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.toolkits.scalar; import soot.*; /** * Utility class used to package a Local and a Unit together. */ public class LocalUnitPair { Local local; Unit unit; /** * Constructs a LocalUnitPair from a Unit object and a Local object. * @param local some Local * @param unit some Unit. */ public LocalUnitPair(Local local, Unit unit) { this.local = local; this.unit = unit; } /** * Two LocalUnitPairs are equal iff they hold the same Unit objects and * the same Local objects within them. * @param other another LocalUnitPair * @return true if other contains the same objects as this. */ public boolean equals(Object other) { if(other instanceof LocalUnitPair && ((LocalUnitPair) other).local == this.local && ((LocalUnitPair) other).unit == this.unit) { return true; } else return false; } public int hashCode() { return local.hashCode() * 101 + unit.hashCode() + 17; } public Local getLocal() { return local; } public Unit getUnit() { return unit; } }