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 using System.Collections.Generic; 35 using Exception = System.Exception; 36 using SerializationInfo = System.Runtime.Serialization.SerializationInfo; 37 using StreamingContext = System.Runtime.Serialization.StreamingContext; 38 39 /** <summary>An extra token while parsing a TokenStream</summary> */ 40 [System.Serializable] 41 public class UnwantedTokenException : MismatchedTokenException { UnwantedTokenException()42 public UnwantedTokenException() { 43 } 44 UnwantedTokenException(string message)45 public UnwantedTokenException(string message) 46 : base(message) { 47 } 48 UnwantedTokenException(string message, Exception innerException)49 public UnwantedTokenException(string message, Exception innerException) 50 : base(message, innerException) { 51 } 52 UnwantedTokenException(int expecting, IIntStream input)53 public UnwantedTokenException(int expecting, IIntStream input) 54 : base(expecting, input) { 55 } 56 UnwantedTokenException(int expecting, IIntStream input, IList<string> tokenNames)57 public UnwantedTokenException(int expecting, IIntStream input, IList<string> tokenNames) 58 : base(expecting, input, tokenNames) { 59 } 60 UnwantedTokenException(string message, int expecting, IIntStream input, IList<string> tokenNames)61 public UnwantedTokenException(string message, int expecting, IIntStream input, IList<string> tokenNames) 62 : base(message, expecting, input, tokenNames) { 63 } 64 UnwantedTokenException(string message, int expecting, IIntStream input, IList<string> tokenNames, Exception innerException)65 public UnwantedTokenException(string message, int expecting, IIntStream input, IList<string> tokenNames, Exception innerException) 66 : base(message, expecting, input, tokenNames, innerException) { 67 } 68 UnwantedTokenException(SerializationInfo info, StreamingContext context)69 protected UnwantedTokenException(SerializationInfo info, StreamingContext context) 70 : base(info, context) { 71 } 72 73 public virtual IToken UnexpectedToken { 74 get { 75 return Token; 76 } 77 } 78 ToString()79 public override string ToString() { 80 //int unexpectedType = getUnexpectedType(); 81 //string unexpected = ( tokenNames != null && unexpectedType >= 0 && unexpectedType < tokenNames.Length ) ? tokenNames[unexpectedType] : unexpectedType.ToString(); 82 string expected = (TokenNames != null && Expecting >= 0 && Expecting < TokenNames.Count) ? TokenNames[Expecting] : Expecting.ToString(); 83 84 string exp = ", expected " + expected; 85 if (Expecting == TokenTypes.Invalid) { 86 exp = ""; 87 } 88 if (Token == null) { 89 return "UnwantedTokenException(found=" + null + exp + ")"; 90 } 91 return "UnwantedTokenException(found=" + Token.Text + exp + ")"; 92 } 93 } 94 } 95