Mercurial > hg > Members > kono > jpf-core

annotate src/main/gov/nasa/jpf/vm/NoUncaughtExceptionsProperty.java @ 0:61d41facf527

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initial v8 import (history reset)
author Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
date Fri, 23 Jan 2015 10:14:01 -0800
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
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1 /*
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2 * Copyright (C) 2014, United States Government, as represented by the
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Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
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3 * Administrator of the National Aeronautics and Space Administration.
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4 * All rights reserved.
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5 *
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6 * The Java Pathfinder core (jpf-core) platform is licensed under the
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7 * Apache License, Version 2.0 (the "License"); you may not use this file except
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8 * in compliance with the License. You may obtain a copy of the License at
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9 *
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10 * http://www.apache.org/licenses/LICENSE-2.0.
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11 *
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12 * Unless required by applicable law or agreed to in writing, software
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13 * distributed under the License is distributed on an "AS IS" BASIS,
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14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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15 * See the License for the specific language governing permissions and
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16 * limitations under the License.
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17 */
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18 package gov.nasa.jpf.vm;
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19
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20 import gov.nasa.jpf.Config;
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21 import gov.nasa.jpf.GenericProperty;
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22 import gov.nasa.jpf.search.Search;
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23
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24 import java.io.PrintWriter;
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25 import java.io.StringWriter;
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26
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27
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28 /**
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29 * property class to check for uncaught exceptions
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30 */
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31 public class NoUncaughtExceptionsProperty extends GenericProperty {
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32
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33 ExceptionInfo uncaughtXi;
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34
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35 public NoUncaughtExceptionsProperty (Config config) {
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36 uncaughtXi = null;
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37 }
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38
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39 void setExceptionInfo (ExceptionInfo xi){
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40 uncaughtXi = xi;
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41 }
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42
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43 public ExceptionInfo getUncaughtExceptionInfo() {
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44 return uncaughtXi;
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45 }
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46
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47 @Override
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48 public String getExplanation () {
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49 // that's pretty self explaining, isn't it?
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50 return null;
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51 //return "no uncaught exception";
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52 }
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53
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54 @Override
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55 public String getErrorMessage () {
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56 if (uncaughtXi != null) {
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57 StringWriter sw = new StringWriter();
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58 uncaughtXi.printOn(new PrintWriter(sw));
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59 return sw.toString();
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60 }
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61
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62 return null;
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63 }
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64
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65 @Override
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66 public void reset() {
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67 uncaughtXi = null;
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68 }
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69
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70 @Override
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71 public boolean check (Search search, VM vm) {
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72 uncaughtXi = vm.getPendingException();
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73 return (uncaughtXi == null);
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74 }
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75
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76 }