Mercurial > hg > Members > kono > jpf-core
view src/main/gov/nasa/jpf/vm/AtomicData.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.vm; import gov.nasa.jpf.util.HashData; /** * helper object to store per thread information about atomic line * execution * <2do> check if we can't do this less expensive. atomic-lines is not * the default anymore */ public class AtomicData { /** * The method in which the line step started. */ public MethodInfo currentMethod; /** * The line at which the line step started. */ public int line; /** * Set to true if we still are in the same method in which we were * when the line step started. */ public boolean inSameMethod; @Override public Object clone () { AtomicData a = new AtomicData(); a.currentMethod = currentMethod; a.line = line; a.inSameMethod = inSameMethod; return a; } @Override public boolean equals (Object o) { if (o == null) { return false; } if (!(o instanceof AtomicData)) { return false; } AtomicData a = (AtomicData) o; if (currentMethod != a.currentMethod) { return false; } if (line != a.line) { return false; } if (inSameMethod != a.inSameMethod) { return false; } return true; } /** * Computes a hash code with the object data. */ public void hash (HashData hd) { hd.add(line); hd.add(inSameMethod ? 1 : 0); } /** * Returns a hash code for the object. */ @Override public int hashCode () { HashData hd = new HashData(); hash(hd); return hd.getValue(); } }