Mercurial > hg > Members > kono > jpf-core

annotate src/main/gov/nasa/jpf/vm/ClassInfoException.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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1 /*
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2 * Copyright (C) 2014, United States Government, as represented by the
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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 /**
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21 * @author Nastaran Shafiei <nastaran.shafiei@gmail.com>
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22 *
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23 * This unchecked exception is thrown by the host VM. It captures all errors
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24 * and exceptions that can occur at the load of a JPF class, which includes
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25 * defining, and resolving it. Here are some of the scenarios that this
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26 * exception is thrown and captures the corresponding exception:
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27 *
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28 * * if the representation does not represent a class with the requested
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29 * name, loading throws an instance of NoClassDefFoundError
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30 *
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31 * * if any of the superclasses of a class, is the class itself, or if
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32 * any of the superinterfaces of an interface, is the interface itself,
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33 * loading throws an instance of ClassCircularityError
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34 *
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35 * * if the representation is not a ClassFile structure, loading throws an
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36 * instance of ClassFormatError
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37 *
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38 * If this exception is thrown during the initialization of VM, and the failed
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39 * class is a system class, or creating of the main thread in not successful, we
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40 * immediately bail out by throwing JPFException.
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41 *
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42 * While JPF is running, this error is handled by throwing an exception at the
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43 * SUT level. This exception is handled if it is thrown by
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44 *
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45 * 1. a native peer method,
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46 * 2. Intruction.execute(),
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47 * 3. ThreadInfo.creatAndThrowException()
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48 * 4. VM.initialize() // here it is handled only if it a non-system class
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49 *
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50 * If this exception is thrown by a Listener, the host VM throws JPFListenerException.
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51 *
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52 */
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53 public class ClassInfoException extends RuntimeException{
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54
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55 ClassLoaderInfo classLoader;
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56 String exceptionClass; // how we map this into the SUT (i.e. the JPF side)
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57 String failedClass;
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58
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59 public ClassInfoException(String details, ClassLoaderInfo cl, String exceptionClass, String faildClass) {
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60 super(details);
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61 this.classLoader = cl;
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62 this.exceptionClass = exceptionClass;
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63 this.failedClass = faildClass;
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64 }
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65
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66 public ClassInfoException (String details, ClassLoaderInfo cl, String exceptionClass, String faildClass, Throwable cause) {
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67 super(details, cause);
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68 this.classLoader = cl;
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69 this.exceptionClass = exceptionClass;
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70 this.failedClass = faildClass;
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71 }
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72
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73
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74 public boolean checkSystemClassFailure() {
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75 return (failedClass.startsWith("java."));
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76 }
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77
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78 public ClassLoaderInfo getClassLoaderInfo() {
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79 return classLoader;
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80 }
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81
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82 public String getFailedClass() {
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83 return failedClass;
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84 }
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85
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86 public String getExceptionClass() {
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87 return exceptionClass;
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88 }
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89 }