1   package org.apache.bcel.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.
8    *
9    * Redistribution and use in source and binary forms, with or without
10   * modification, are permitted provided that the following conditions
11   * are met:
12   *
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
31   *    written permission, please contact apache@apache.org.
32   *
33   * 5. Products derived from this software may not be called "Apache",
34   *    "Apache BCEL", nor may "Apache" appear in their name, without
35   *    prior written permission of the Apache Software Foundation.
36   *
37   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
41   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
43   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
44   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
45   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
46   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
47   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48   * SUCH DAMAGE.
49   * ====================================================================
50   *
51   * This software consists of voluntary contributions made by many
52   * individuals on behalf of the Apache Software Foundation.  For more
53   * information on the Apache Software Foundation, please see
54   * <http://www.apache.org/>.
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 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  }
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