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 Exception = System.Exception; 37 using SerializationInfo = System.Runtime.Serialization.SerializationInfo; 38 using StreamingContext = System.Runtime.Serialization.StreamingContext; 39 40 /** <summary>An extra token while parsing a TokenStream</summary> */ 41 [System.Serializable] 42 public class UnwantedTokenException : MismatchedTokenException 43 { UnwantedTokenException()44 public UnwantedTokenException() 45 { 46 } 47 UnwantedTokenException(string message)48 public UnwantedTokenException(string message) 49 : base(message) 50 { 51 } 52 UnwantedTokenException(string message, Exception innerException)53 public UnwantedTokenException(string message, Exception innerException) 54 : base(message, innerException) 55 { 56 } 57 UnwantedTokenException(int expecting, IIntStream input)58 public UnwantedTokenException(int expecting, IIntStream input) 59 : base(expecting, input) 60 { 61 } 62 UnwantedTokenException(int expecting, IIntStream input, IList<string> tokenNames)63 public UnwantedTokenException(int expecting, IIntStream input, IList<string> tokenNames) 64 : base(expecting, input, tokenNames) 65 { 66 } 67 UnwantedTokenException(string message, int expecting, IIntStream input, IList<string> tokenNames)68 public UnwantedTokenException(string message, int expecting, IIntStream input, IList<string> tokenNames) 69 : base(message, expecting, input, tokenNames) 70 { 71 } 72 UnwantedTokenException(string message, int expecting, IIntStream input, IList<string> tokenNames, Exception innerException)73 public UnwantedTokenException(string message, int expecting, IIntStream input, IList<string> tokenNames, Exception innerException) 74 : base(message, expecting, input, tokenNames, innerException) 75 { 76 } 77 UnwantedTokenException(SerializationInfo info, StreamingContext context)78 protected UnwantedTokenException(SerializationInfo info, StreamingContext context) 79 : base(info, context) 80 { 81 } 82 83 public virtual IToken UnexpectedToken 84 { 85 get 86 { 87 return Token; 88 } 89 } 90 ToString()91 public override string ToString() 92 { 93 //int unexpectedType = getUnexpectedType(); 94 //string unexpected = ( tokenNames != null && unexpectedType >= 0 && unexpectedType < tokenNames.Length ) ? tokenNames[unexpectedType] : unexpectedType.ToString(); 95 string expected = (TokenNames != null && Expecting >= 0 && Expecting < TokenNames.Count) ? TokenNames[Expecting] : Expecting.ToString(); 96 97 string exp = ", expected " + expected; 98 if (Expecting == TokenTypes.Invalid) 99 { 100 exp = ""; 101 } 102 if (Token == null) 103 { 104 return "UnwantedTokenException(found=" + null + exp + ")"; 105 } 106 return "UnwantedTokenException(found=" + Token.Text + exp + ")"; 107 } 108 } 109 } 110