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view src/tests/gov/nasa/jpf/test/mc/basic/JPF_gov_nasa_jpf_test_mc_basic_RestorerTest$X.java @ 0:61d41facf527
initial v8 import (history reset)
author | Peter Mehlitz <Peter.C.Mehlitz@nasa.gov> |
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date | Fri, 23 Jan 2015 10:14:01 -0800 |
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/* * Copyright (C) 2014, United States Government, as represented by the * Administrator of the National Aeronautics and Space Administration. * All rights reserved. * * The Java Pathfinder core (jpf-core) platform is licensed under the * Apache License, Version 2.0 (the "License"); you may not use this file except * in compliance with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0. * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package gov.nasa.jpf.test.mc.basic; import gov.nasa.jpf.annotation.MJI; import gov.nasa.jpf.vm.ClosedMemento; import gov.nasa.jpf.vm.Instruction; import gov.nasa.jpf.vm.MJIEnv; import gov.nasa.jpf.vm.NativePeer; import gov.nasa.jpf.vm.StackFrame; import gov.nasa.jpf.vm.SystemState; import gov.nasa.jpf.vm.ThreadInfo; /** * peer for the regression test for on-demand state restoration by means of * ClosedMementos */ public class JPF_gov_nasa_jpf_test_mc_basic_RestorerTest$X extends NativePeer { static class InsnExecCount { int count; } static class InsnCountRestorer implements ClosedMemento { InsnExecCount insnAttr; int count; // the value to restore InsnCountRestorer (InsnExecCount insnAttr){ this.insnAttr = insnAttr; this.count = insnAttr.count; System.out.println("## storing: " + count); } @Override public void restore(){ System.out.println("## restoring: " + count); insnAttr.count = count; } } @MJI public void $init (MJIEnv env, int objref){ ThreadInfo ti = env.getThreadInfo(); StackFrame caller = ti.getCallerStackFrame(); Instruction insn = caller.getPC(); InsnExecCount a = insn.getAttr(InsnExecCount.class); if (a == null){ a = new InsnExecCount(); insn.addAttr( a); } SystemState ss = env.getSystemState(); if (!ss.hasRestorer(a)){ env.getSystemState().putRestorer( a, new InsnCountRestorer(a)); } a.count++; env.setIntField(objref, "id", a.count); } }