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.serialize;
20 import gov.nasa.jpf.vm.MJIEnv;
23 * (mostly) pass-through Abstraction
25 public class AbstractionAdapter implements Abstraction {
28 public int getAbstractValue(int v) {
33 public int getAbstractValue(float v) {
34 return Float.floatToIntBits(v);
38 public int getAbstractValue(long v) {
39 return (int)(v^(v>>>32)); // Long.hashValue
43 public int getAbstractValue(double v) {
44 long l = Double.doubleToLongBits(v);
45 return (int)(l^(l>>>32)); // Double.hashValue
49 public int getAbstractObject(int ref) {
54 public boolean traverseObject(int ref) {
55 return (ref != MJIEnv.NULL);