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Java > Open Source Codes > gov > nasa > jpf > jvm > JPF_java_lang_Throwable


1 //
2 // Copyright (C) 2005 United States Government as represented by the
3 // Administrator of the National Aeronautics and Space Administration
4 // (NASA). All Rights Reserved.
5 //
6 // This software is distributed under the NASA Open Source Agreement
7 // (NOSA), version 1.3. The NOSA has been approved by the Open Source
8 // Initiative. See the file NOSA-1.3-JPF at the top of the distribution
9 // directory tree for the complete NOSA document.
10 //
11 // THE SUBJECT SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY OF ANY
12 // KIND, EITHER EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT
13 // LIMITED TO, ANY WARRANTY THAT THE SUBJECT SOFTWARE WILL CONFORM TO
14 // SPECIFICATIONS, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR
15 // A PARTICULAR PURPOSE, OR FREEDOM FROM INFRINGEMENT, ANY WARRANTY THAT
16 // THE SUBJECT SOFTWARE WILL BE ERROR FREE, OR ANY WARRANTY THAT
17 // DOCUMENTATION, IF PROVIDED, WILL CONFORM TO THE SUBJECT SOFTWARE.
18 //
19 package gov.nasa.jpf.jvm;
20
21 import java.util.HashMap JavaDoc;
22
23
24 /**
25  * MJI NativePeer class for java.lang.Throwable library abstraction
26  */
27 public class JPF_java_lang_Throwable {
28   static HashMap JavaDoc stackTraces;
29   
30   /**
31    * return array of StackTraceElement elements with the current threads callstack
32    */
33   public static int getStackTrace (MJIEnv env, int objref) {
34     return env.getThreadInfo().getStackTrace(objref);
35   }
36   
37   public static int fillInStackTrace (MJIEnv env, int objref) {
38     int traceRef = getStackTrace(env, objref);
39     DynamicArea da = env.getDynamicArea();
40     ElementInfo ei = da.get(objref);
41     
42     env.setReferenceField(objref, "stackTrace", traceRef);
43     return MJIEnv.NULL;
44   }
45   
46   // native because we don't want to waste states
47 public static void printStackTrace (MJIEnv env, int objRef) {
48     
49     env.getThreadInfo().printStackTrace(objRef);
50   }
51 }
52
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