00001 package edu.ksu.cis.bandera.bofa; 00002 00003 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 00004 * Bandera, a Java(TM) analysis and transformation toolkit * 00005 * Copyright (C) 1998, 1999 Shawn Laubach (laubach@acm.org) * 00006 * All rights reserved. * 00007 * * 00008 * This work was done as a project in the SAnToS Laboratory, * 00009 * Department of Computing and Information Sciences, Kansas State * 00010 * University, USA (http://www.cis.ksu.edu/santos). * 00011 * It is understood that any modification not identified as such is * 00012 * not covered by the preceding statement. * 00013 * * 00014 * This work is free software; you can redistribute it and/or * 00015 * modify it under the terms of the GNU Library General Public * 00016 * License as published by the Free Software Foundation; either * 00017 * version 2 of the License, or (at your option) any later version. * 00018 * * 00019 * This work is distributed in the hope that it will be useful, * 00020 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00021 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00022 * Library General Public License for more details. * 00023 * * 00024 * You should have received a copy of the GNU Library General Public * 00025 * License along with this toolkit; if not, write to the * 00026 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * 00027 * Boston, MA 02111-1307, USA. * 00028 * * 00029 * Java is a trademark of Sun Microsystems, Inc. * 00030 * * 00031 * To submit a bug report, send a comment, or get the latest news on * 00032 * this project and other SAnToS projects, please visit the web-site * 00033 * http://www.cis.ksu.edu/santos * 00034 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ 00035 00036 /* 00037 * FGWork.java 00038 * $Id: FGWork.java,v 1.1.1.1 2002/01/24 03:42:08 pserver Exp $ 00039 */ 00040 00041 /** 00042 * This is an abstract class defining the structure of objects to be held in the 00043 * value flow graph work list. Work items typically contain sets of values that 00044 * are to be pushed to given flowgraph nodes. The process of performing this 00045 * "work" via the doWork method may cause "actions" associated with the 00046 * destination flow graph node to be invoked. 00047 * @author <A HREF="http://www.cis.ksu.edu/~hatcliff">John Hatcliff</A> 00048 * @author 00049 * <a href="http://www.cis.ksu.edu/~rvprasad">Venkatesh Prasad Ranganath</a> 00050 * @version $Name: $($Revision: 1.1.1.1 $) 00051 */ 00052 public abstract class FGWork 00053 { 00054 00055 /** 00056 * The node which is the "target" of the work. 00057 */ 00058 protected FGNode dest; 00059 00060 /** 00061 * Performs the value propagation described by the class derived from FGWork. 00062 * This will usually involve updating the flowgraph and the worklist. 00063 */ 00064 public abstract void doWork(); 00065 }