View Javadoc

1   /*
2    * Copyright  2000-2004 The Apache Software Foundation
3    *
4    *  Licensed under the Apache License, Version 2.0 (the "License"); 
5    *  you may not use this file except in compliance with the License.
6    *  You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   *  Unless required by applicable law or agreed to in writing, software
11   *  distributed under the License is distributed on an "AS IS" BASIS,
12   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   *  See the License for the specific language governing permissions and
14   *  limitations under the License. 
15   *
16   */ 
17  package org.apache.bcel.verifier.exc;
18  
19  /***
20   * Instances of this class are thrown by BCEL's class file verifier "JustIce" when
21   * a class file to verify does not pass the verification pass 3 because of a violation
22   * of a constraint that is usually only verified at run-time (pass 4).
23   * The Java Virtual Machine Specification, 2nd edition, states that certain constraints
24   * are usually verified at run-time for performance reasons (the verification of those
25   * constraints requires loading in and recursively verifying referenced classes) that
26   * conceptually belong to pass 3; to be precise, that conceptually belong to the
27   * data flow analysis of pass 3 (called pass 3b in JustIce).
28   * These are the checks necessary for resolution: Compare pages 142-143 ("4.9.1 The
29   * Verification Process") and pages 50-51 ("2.17.3 Linking: Verification, Preparation,
30   * and Resolution") of the above mentioned book.
31   * <B>TODO: At this time, this class is not used in JustIce.</B>
32   *
33   * @version $Id: LinkingConstraintException.java 371539 2006-01-23 14:08:00Z tcurdt $
34   * @author Enver Haase
35   */
36  public class LinkingConstraintException extends StructuralCodeConstraintException{
37  }