2 * Copyright (C) 2015, 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.SystemAttribute;
23 * system attribute to dynamically mark ChoiceGenerators for transition extension checks
25 public class CheckExtendTransition implements SystemAttribute {
27 static final CheckExtendTransition singleton = new CheckExtendTransition();
29 public static void mark (ChoiceGenerator<?> cg){
30 cg.addAttr(singleton);
33 public static boolean isMarked (ChoiceGenerator<?> cg){
34 return (cg != null) && cg.hasAttr(CheckExtendTransition.class);