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      1 /*
      2  * Note to JL: Removed LINQ usages from original
      3  *
      4  * [The "BSD licence"]
      5  * Copyright (c) 2005-2008 Terence Parr
      6  * All rights reserved.
      7  *
      8  * Conversion to C#:
      9  * Copyright (c) 2008-2009 Sam Harwell, Pixel Mine, Inc.
     10  * All rights reserved.
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. The name of the author may not be used to endorse or promote products
     21  *    derived from this software without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     25  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     26  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     27  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     28  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     29  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     30  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     31  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     32  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     33  */
     34 
     35 namespace Antlr.Runtime {
     36     using System;
     37     using System.Collections.Generic;
     38     using System.Collections.ObjectModel;
     39     using ArgumentNullException = System.ArgumentNullException;
     40     using Exception = System.Exception;
     41     using SerializationInfo = System.Runtime.Serialization.SerializationInfo;
     42     using StreamingContext = System.Runtime.Serialization.StreamingContext;
     43 
     44     /** <summary>A mismatched char or Token or tree node</summary> */
     45     [System.Serializable]
     46     public class MismatchedTokenException : RecognitionException {
     47         private readonly int _expecting = TokenTypes.Invalid;
     48         private readonly ReadOnlyCollection<string> _tokenNames;
     49 
     50         public MismatchedTokenException() {
     51         }
     52 
     53         public MismatchedTokenException(string message)
     54             : base(message) {
     55         }
     56 
     57         public MismatchedTokenException(string message, Exception innerException)
     58             : base(message, innerException) {
     59         }
     60 
     61         public MismatchedTokenException(int expecting, IIntStream input)
     62             : this(expecting, input, null) {
     63         }
     64 
     65         public MismatchedTokenException(int expecting, IIntStream input, IList<string> tokenNames)
     66             : base(input) {
     67             this._expecting = expecting;
     68 
     69             if (tokenNames != null)
     70                 this._tokenNames = new List<string>(tokenNames).AsReadOnly();
     71         }
     72         public MismatchedTokenException(string message, int expecting, IIntStream input, IList<string> tokenNames)
     73             : base(message, input) {
     74             this._expecting = expecting;
     75 
     76             if (tokenNames != null) {
     77                 this._tokenNames = new ReadOnlyCollection<string>(new List<string>(tokenNames));
     78             }
     79         }
     80 
     81         public MismatchedTokenException(string message, int expecting, IIntStream input, IList<string> tokenNames, Exception innerException)
     82             : base(message, input, innerException) {
     83             this._expecting = expecting;
     84 
     85             if (tokenNames != null)
     86                 this._tokenNames = new ReadOnlyCollection<string>(new List<string>(tokenNames));
     87         }
     88 
     89         protected MismatchedTokenException(SerializationInfo info, StreamingContext context)
     90             : base(info, context) {
     91             if (info == null)
     92                 throw new ArgumentNullException("info");
     93 
     94             this._expecting = info.GetInt32("Expecting");
     95             this._tokenNames = new ReadOnlyCollection<string>((string[])info.GetValue("TokenNames", typeof(string[])));
     96         }
     97 
     98         public int Expecting {
     99             get {
    100                 return _expecting;
    101             }
    102         }
    103 
    104         public ReadOnlyCollection<string> TokenNames {
    105             get {
    106                 return _tokenNames;
    107             }
    108         }
    109 
    110         public override void GetObjectData(SerializationInfo info, StreamingContext context) {
    111             if (info == null)
    112                 throw new ArgumentNullException("info");
    113 
    114             base.GetObjectData(info, context);
    115             info.AddValue("Expecting", _expecting);
    116             var tokenArray = default(string[]);
    117             if (_tokenNames != null) {
    118                 tokenArray = new string[_tokenNames.Count];
    119                 int i = 0;
    120                 foreach (var token in _tokenNames) {
    121                     tokenArray[i++] = token;
    122                 }
    123             }
    124             info.AddValue("TokenNames", tokenArray);
    125         }
    126 
    127         public override string ToString() {
    128             int unexpectedType = UnexpectedType;
    129             string unexpected = (TokenNames != null && unexpectedType >= 0 && unexpectedType < TokenNames.Count) ? TokenNames[unexpectedType] : unexpectedType.ToString();
    130             string expected = (TokenNames != null && Expecting >= 0 && Expecting < TokenNames.Count) ? TokenNames[Expecting] : Expecting.ToString();
    131             return "MismatchedTokenException(" + unexpected + "!=" + expected + ")";
    132         }
    133     }
    134 }
    135