2 * Copyright (C) 2014, United States Government, as represented by the
3 * Administrator of the National Aeronautics and Space Administration.
6 * The Java Pathfinder core (jpf-core) platform is licensed under the
7 * Apache License, Version 2.0 (the "License"); you may not use this file except
8 * in compliance with the License. You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0.
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 package gov.nasa.jpf.vm;
20 import gov.nasa.jpf.util.HashData;
24 * helper object to store per thread information about atomic line
26 * <2do> check if we can't do this less expensive. atomic-lines is not
29 public class AtomicData {
31 * The method in which the line step started.
33 public MethodInfo currentMethod;
36 * The line at which the line step started.
41 * Set to true if we still are in the same method in which we were
42 * when the line step started.
44 public boolean inSameMethod;
47 public Object clone () {
48 AtomicData a = new AtomicData();
50 a.currentMethod = currentMethod;
52 a.inSameMethod = inSameMethod;
58 public boolean equals (Object o) {
63 if (!(o instanceof AtomicData)) {
67 AtomicData a = (AtomicData) o;
69 if (currentMethod != a.currentMethod) {
77 if (inSameMethod != a.inSameMethod) {
85 * Computes a hash code with the object data.
87 public void hash (HashData hd) {
89 hd.add(inSameMethod ? 1 : 0);
93 * Returns a hash code for the object.
96 public int hashCode () {
97 HashData hd = new HashData();
101 return hd.getValue();