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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 
MismatchedTokenException()50         public MismatchedTokenException() {
51         }
52 
MismatchedTokenException(string message)53         public MismatchedTokenException(string message)
54             : base(message) {
55         }
56 
MismatchedTokenException(string message, Exception innerException)57         public MismatchedTokenException(string message, Exception innerException)
58             : base(message, innerException) {
59         }
60 
MismatchedTokenException(int expecting, IIntStream input)61         public MismatchedTokenException(int expecting, IIntStream input)
62             : this(expecting, input, null) {
63         }
64 
MismatchedTokenException(int expecting, IIntStream input, IList<string> tokenNames)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         }
MismatchedTokenException(string message, int expecting, IIntStream input, IList<string> tokenNames)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 
MismatchedTokenException(string message, int expecting, IIntStream input, IList<string> tokenNames, Exception innerException)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 
MismatchedTokenException(SerializationInfo info, StreamingContext context)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 
GetObjectData(SerializationInfo info, StreamingContext context)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 
ToString()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