/* Soot - a J*va Optimization Framework * Copyright (C) 2000 Patrice Pominville and Feng Qian * * 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.tagkit; import java.util.*; /** * This class must be extended by Attributes that can * be emitted in Jasmin. The attributes must format their data * in Base64 and if Unit references they may contain must be emitted as * labels embedded and * escaped in the attribute's Base64 data stream at the location where the value * of their pc is to occur. For example: <pre> aload_1 iload_2 label2: iaload label3: iastore iinc 2 1 label0: iload_2 aload_0 arraylength label4: if_icmplt label1 return .code_attribute ArrayCheckAttribute "%label2%Aw==%label3%Ag==%label4%Ag==" </pre> * */ public abstract class JasminAttribute implements Attribute { abstract public byte[] decode(String attr, Hashtable labelToPc); abstract public String getJasminValue(Map instToLabel); }