/* Soot - a J*va Optimization Framework * Copyright (C) 2003 Ondrej Lhotak * * 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. */ package soot.jimple.toolkits.pointer; import soot.tagkit.*; /** Implements a tag that can be used to tell a VM whether a cast check can * be eliminated or not. */ public class CastCheckTag implements Tag { boolean eliminateCheck; CastCheckTag( boolean eliminateCheck ) { this.eliminateCheck = eliminateCheck; } public String getName() { return "CastCheckTag"; } public byte[] getValue() { byte[] ret = new byte[1]; ret[0] = (byte) ( eliminateCheck ? 1 : 0 ); return ret; } public String toString() { if( eliminateCheck ) { return "This cast check can be eliminated."; } else { return "This cast check should NOT be eliminated."; } } public boolean canEliminateCheck() { return eliminateCheck; } }