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    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 structural constraint as described in the Java Virtual Machine Specification,
    23   * 2nd edition, 4.8.2, pages 137-139.
    24   * Note that the notion of a "structural" constraint is somewhat misleading. Structural
    25   * constraints are constraints on relationships between Java virtual machine instructions.
    26   * These are the constraints where data-flow analysis is needed to verify if they hold.
    27   * The data flow analysis of pass 3 is called pass 3b in JustIce.
    28   *
    29   * @version $Id: StructuralCodeConstraintException.java 371539 2006-01-23 14:08:00Z tcurdt $
    30   * @author Enver Haase
    31   */
    32  public class StructuralCodeConstraintException extends CodeConstraintException{
    33  	/***
    34  	 * Constructs a new StructuralCodeConstraintException with the specified error message.
    35  	 */
    36  	public StructuralCodeConstraintException(String message){
    37  		super(message);
    38  	}
    39  	/***
    40  	 * Constructs a new StructuralCodeConstraintException with null as its error message string.
    41  	 */
    42  	public StructuralCodeConstraintException(){
    43  		super();
    44  	}
    45  }