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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) 2008-2009 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 System.Collections.Generic;
     36     using System.Collections.ObjectModel;
     37     using ArgumentNullException = System.ArgumentNullException;
     38     using Exception = System.Exception;
     39     using SerializationInfo = System.Runtime.Serialization.SerializationInfo;
     40     using StreamingContext = System.Runtime.Serialization.StreamingContext;
     41 
     42     /** <summary>A mismatched char or Token or tree node</summary> */
     43     [System.Serializable]
     44     public class MismatchedTokenException : RecognitionException
     45     {
     46         private readonly int _expecting = TokenTypes.Invalid;
     47         private readonly ReadOnlyCollection<string> _tokenNames;
     48 
     49         public MismatchedTokenException()
     50         {
     51         }
     52 
     53         public MismatchedTokenException(string message)
     54             : base(message)
     55         {
     56         }
     57 
     58         public MismatchedTokenException(string message, Exception innerException)
     59             : base(message, innerException)
     60         {
     61         }
     62 
     63         public MismatchedTokenException(int expecting, IIntStream input)
     64             : this(expecting, input, null)
     65         {
     66         }
     67 
     68         public MismatchedTokenException(int expecting, IIntStream input, IList<string> tokenNames)
     69             : base(input)
     70         {
     71             this._expecting = expecting;
     72 
     73             if (tokenNames != null)
     74                 this._tokenNames = new List<string>(tokenNames).AsReadOnly();
     75         }
     76 
     77         public MismatchedTokenException(string message, int expecting, IIntStream input, IList<string> tokenNames)
     78             : base(message, input)
     79         {
     80             this._expecting = expecting;
     81 
     82             if (tokenNames != null)
     83                 this._tokenNames = new List<string>(tokenNames).AsReadOnly();
     84         }
     85 
     86         public MismatchedTokenException(string message, int expecting, IIntStream input, IList<string> tokenNames, Exception innerException)
     87             : base(message, input, innerException)
     88         {
     89             this._expecting = expecting;
     90 
     91             if (tokenNames != null)
     92                 this._tokenNames = new List<string>(tokenNames).AsReadOnly();
     93         }
     94 
     95         protected MismatchedTokenException(SerializationInfo info, StreamingContext context)
     96             : base(info, context)
     97         {
     98             if (info == null)
     99                 throw new ArgumentNullException("info");
    100 
    101             this._expecting = info.GetInt32("Expecting");
    102             this._tokenNames = new ReadOnlyCollection<string>((string[])info.GetValue("TokenNames", typeof(string[])));
    103         }
    104 
    105         public int Expecting
    106         {
    107             get
    108             {
    109                 return _expecting;
    110             }
    111         }
    112 
    113         public ReadOnlyCollection<string> TokenNames
    114         {
    115             get
    116             {
    117                 return _tokenNames;
    118             }
    119         }
    120 
    121         public override void GetObjectData(SerializationInfo info, StreamingContext context)
    122         {
    123             if (info == null)
    124                 throw new ArgumentNullException("info");
    125 
    126             base.GetObjectData(info, context);
    127             info.AddValue("Expecting", _expecting);
    128             info.AddValue("TokenNames", (_tokenNames != null) ? new List<string>(_tokenNames).ToArray() : default(string[]));
    129         }
    130 
    131         public override string ToString()
    132         {
    133             int unexpectedType = UnexpectedType;
    134             string unexpected = ( TokenNames != null && unexpectedType >= 0 && unexpectedType < TokenNames.Count ) ? TokenNames[unexpectedType] : unexpectedType.ToString();
    135             string expected = ( TokenNames != null && Expecting >= 0 && Expecting < TokenNames.Count ) ? TokenNames[Expecting] : Expecting.ToString();
    136             return "MismatchedTokenException(" + unexpected + "!=" + expected + ")";
    137         }
    138     }
    139 }
    140