01: //
02: // Copyright (C) 2005 United States Government as represented by the
03: // Administrator of the National Aeronautics and Space Administration
04: // (NASA). All Rights Reserved.
05: //
06: // This software is distributed under the NASA Open Source Agreement
07: // (NOSA), version 1.3. The NOSA has been approved by the Open Source
08: // Initiative. See the file NOSA-1.3-JPF at the top of the distribution
09: // 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 gov.nasa.jpf.Config;
22: import gov.nasa.jpf.GenericProperty;
23: import gov.nasa.jpf.VM;
24:
25: import java.io.PrintWriter;
26:
27: /**
28: * property class to check for uncaught exceptions
29: */
30: public class NoUncaughtExceptionsProperty extends GenericProperty {
31:
32: // <2do> that's a hack for now (makes us de-facto a singleton)
33: static ExceptionInfo uncaughtXi;
34:
35: public NoUncaughtExceptionsProperty(Config config) {
36: uncaughtXi = null;
37: }
38:
39: static void setExceptionInfo(ExceptionInfo xi) {
40: uncaughtXi = xi;
41: }
42:
43: public String getErrorMessage() {
44: return "uncaught exception";
45: }
46:
47: public boolean check(VM vm, Object arg) {
48: return (uncaughtXi == null);
49: }
50:
51: public void printOn(PrintWriter pw) {
52: if (uncaughtXi != null) {
53: uncaughtXi.printOn(pw);
54: }
55: }
56: }
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