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Java > Open Source Codes > com > sun > org > apache > bcel > internal > verifier > exc > StructuralCodeConstraintException


1 package com.sun.org.apache.bcel.internal.verifier.exc;
2
3 /* ====================================================================
4  * The Apache Software License, Version 1.1
5  *
6  * Copyright (c) 2001 The Apache Software Foundation. All rights
7  * reserved.
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9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
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13  * 1. Redistributions of source code must retain the above copyright
14  * notice, this list of conditions and the following disclaimer.
15  *
16  * 2. Redistributions in binary form must reproduce the above copyright
17  * notice, this list of conditions and the following disclaimer in
18  * the documentation and/or other materials provided with the
19  * distribution.
20  *
21  * 3. The end-user documentation included with the redistribution,
22  * if any, must include the following acknowledgment:
23  * "This product includes software developed by the
24  * Apache Software Foundation (http://www.apache.org/)."
25  * Alternately, this acknowledgment may appear in the software itself,
26  * if and wherever such third-party acknowledgments normally appear.
27  *
28  * 4. The names "Apache" and "Apache Software Foundation" and
29  * "Apache BCEL" must not be used to endorse or promote products
30  * derived from this software without prior written permission. For
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34  * "Apache BCEL", nor may "Apache" appear in their name, without
35  * prior written permission of the Apache Software Foundation.
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55  */
56 /**
57  * Instances of this class are thrown by BCEL's class file verifier "JustIce" when
58  * a class file to verify does not pass the verification pass 3 because of a violation
59  * of a structural constraint as described in the Java Virtual Machine Specification,
60  * 2nd edition, 4.8.2, pages 137-139.
61  * Note that the notion of a "structural" constraint is somewhat misleading. Structural
62  * constraints are constraints on relationships between Java virtual machine instructions.
63  * These are the constraints where data-flow analysis is needed to verify if they hold.
64  * The data flow analysis of pass 3 is called pass 3b in JustIce.
65  *
66  * @version $Id: StructuralCodeConstraintException.java,v 1.1.1.1 2001/10/29 20:00:34 jvanzyl Exp $
67  * @author <A HREF="http://www.inf.fu-berlin.de/~ehaase"/>Enver Haase</A>
68  */
69 public class StructuralCodeConstraintException extends CodeConstraintException{
70     /**
71      * Constructs a new StructuralCodeConstraintException with the specified error message.
72      */
73     public StructuralCodeConstraintException(String JavaDoc message){
74         super(message);
75     }
76     /**
77      * Constructs a new StructuralCodeConstraintException with null as its error message string.
78      */
79     public StructuralCodeConstraintException(){
80         super();
81     }
82 }
83
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