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      1 /*
      2  * [The "BSD licence"]
      3  * Copyright (c) 2005-2008 Terence Parr
      4  * All rights reserved.
      5  *
      6  * Conversion to C#:
      7  * Copyright (c) 2008 Sam Harwell, Pixel Mine, Inc.
      8  * All rights reserved.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 namespace Antlr.Runtime
     34 {
     35     using ArgumentNullException = System.ArgumentNullException;
     36     using Exception = System.Exception;
     37     using SerializationInfo = System.Runtime.Serialization.SerializationInfo;
     38     using StreamingContext = System.Runtime.Serialization.StreamingContext;
     39 
     40     /** <summary>
     41      *  A semantic predicate failed during validation.  Validation of predicates
     42      *  occurs when normally parsing the alternative just like matching a token.
     43      *  Disambiguating predicate evaluation occurs when we hoist a predicate into
     44      *  a prediction decision.
     45      *  </summary>
     46      */
     47     [System.Serializable]
     48     public class FailedPredicateException : RecognitionException
     49     {
     50         private readonly string _ruleName;
     51         private readonly string _predicateText;
     52 
     53         public FailedPredicateException()
     54         {
     55         }
     56 
     57         public FailedPredicateException(string message)
     58             : base(message)
     59         {
     60         }
     61 
     62         public FailedPredicateException(string message, Exception innerException)
     63             : base(message, innerException)
     64         {
     65         }
     66 
     67         public FailedPredicateException(IIntStream input, string ruleName, string predicateText)
     68             : base(input)
     69         {
     70             this._ruleName = ruleName;
     71             this._predicateText = predicateText;
     72         }
     73 
     74         public FailedPredicateException(string message, IIntStream input, string ruleName, string predicateText)
     75             : base(message, input)
     76         {
     77             this._ruleName = ruleName;
     78             this._predicateText = predicateText;
     79         }
     80 
     81         public FailedPredicateException(string message, IIntStream input, string ruleName, string predicateText, Exception innerException)
     82             : base(message, input, innerException)
     83         {
     84             this._ruleName = ruleName;
     85             this._predicateText = predicateText;
     86         }
     87 
     88         protected FailedPredicateException(SerializationInfo info, StreamingContext context)
     89             : base(info, context)
     90         {
     91             if (info == null)
     92                 throw new ArgumentNullException("info");
     93 
     94             this._ruleName = info.GetString("RuleName");
     95             this._predicateText = info.GetString("PredicateText");
     96         }
     97 
     98         public string RuleName
     99         {
    100             get
    101             {
    102                 return _ruleName;
    103             }
    104         }
    105 
    106         public string PredicateText
    107         {
    108             get
    109             {
    110                 return _predicateText;
    111             }
    112         }
    113 
    114         public override void GetObjectData(SerializationInfo info, StreamingContext context)
    115         {
    116             if (info == null)
    117                 throw new ArgumentNullException("info");
    118 
    119             base.GetObjectData(info, context);
    120             info.AddValue("RuleName", _ruleName);
    121             info.AddValue("PredicateText", _predicateText);
    122         }
    123 
    124         public override string ToString()
    125         {
    126             return "FailedPredicateException(" + RuleName + ",{" + PredicateText + "}?)";
    127         }
    128     }
    129 }
    130