/* 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; import soot.tagkit.*; /** Reference implementation for ValueBox; just * add a canContainValue method. */ public abstract class AbstractValueBox extends AbstractHost implements ValueBox { Value value; public void setValue(Value value) { if(canContainValue(value)) this.value = value; else throw new RuntimeException("Box " + this + " cannot contain value: " + value + "(" + value.getClass() + ")" ); } public Value getValue() { return value; } public void toString( UnitPrinter up ) { up.startValueBox(this); value.toString(up); up.endValueBox(this); } public String toString() { return getClass().getSimpleName()+"("+value+")"; } }