LinkingConstraintException.java

  1. /*
  2.  * Licensed to the Apache Software Foundation (ASF) under one or more
  3.  * contributor license agreements.  See the NOTICE file distributed with
  4.  * this work for additional information regarding copyright ownership.
  5.  * The ASF licenses this file to You under the Apache License, Version 2.0
  6.  * (the "License"); you may not use this file except in compliance with
  7.  * the License.  You may obtain a copy of the License at
  8.  *
  9.  *      http://www.apache.org/licenses/LICENSE-2.0
  10.  *
  11.  *  Unless required by applicable law or agreed to in writing, software
  12.  *  distributed under the License is distributed on an "AS IS" BASIS,
  13.  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14.  *  See the License for the specific language governing permissions and
  15.  *  limitations under the License.
  16.  */
  17. package org.apache.bcel.verifier.exc;

  18. /**
  19.  * Instances of this class are thrown by BCEL's class file verifier "JustIce" when a class file to verify does not pass
  20.  * the verification pass 3 because of a violation of a constraint that is usually only verified at run-time (pass 4).
  21.  * The Java Virtual Machine Specification, 2nd edition, states that certain constraints are usually verified at run-time
  22.  * for performance reasons (the verification of those constraints requires loading in and recursively verifying
  23.  * referenced classes) that conceptually belong to pass 3; to be precise, that conceptually belong to the data flow
  24.  * analysis of pass 3 (called pass 3b in JustIce). These are the checks necessary for resolution: Compare pages 142-143
  25.  * ("4.9.1 The Verification Process") and pages 50-51 ("2.17.3 Linking: Verification, Preparation, and Resolution") of
  26.  * the above mentioned book. <B>TODO: At this time, this class is not used in JustIce.</B>
  27.  */
  28. public class LinkingConstraintException extends StructuralCodeConstraintException {

  29.     private static final long serialVersionUID = -5239226345026321126L;
  30. }