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.
19 package gov.nasa.jpf.vm;
21 import gov.nasa.jpf.JPFException;
24 * fieldinfo for slots holding booleans
26 public class BooleanFieldInfo extends SingleSlotFieldInfo {
30 public BooleanFieldInfo (String name, int modifiers) {
31 super(name, "Z", modifiers);
35 public void setConstantValue(Object constValue){
36 if (constValue instanceof Integer){
38 init = ((Integer)constValue).intValue() == 1;
41 throw new JPFException("illegal boolean ConstValue=" + constValue);
46 public void initialize (ElementInfo ei, ThreadInfo ti) {
47 ei.getFields().setBooleanValue(storageOffset, init);
51 public boolean isBooleanField() {
56 public Object getValueObject (Fields f){
57 int i = f.getIntValue(storageOffset);
58 return new Boolean(i != 0);
62 public String valueToString (Fields f) {
63 boolean b = f.getBooleanValue(storageOffset);
64 return Boolean.toString(b);