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> 40 * We were expecting a token but it's not found. The current token 41 * is actually what we wanted next. Used for tree node errors too. 42 * </summary> 43 */ 44 [System.Serializable] 45 public class MissingTokenException : MismatchedTokenException { 46 private readonly object _inserted; 47 MissingTokenException()48 public MissingTokenException() { 49 } 50 MissingTokenException(string message)51 public MissingTokenException(string message) 52 : base(message) { 53 } 54 MissingTokenException(string message, Exception innerException)55 public MissingTokenException(string message, Exception innerException) 56 : base(message, innerException) { 57 } 58 MissingTokenException(int expecting, IIntStream input, object inserted)59 public MissingTokenException(int expecting, IIntStream input, object inserted) 60 : this(expecting, input, inserted, null) { 61 } 62 MissingTokenException(int expecting, IIntStream input, object inserted, IList<string> tokenNames)63 public MissingTokenException(int expecting, IIntStream input, object inserted, IList<string> tokenNames) 64 : base(expecting, input, tokenNames) { 65 this._inserted = inserted; 66 } 67 MissingTokenException(string message, int expecting, IIntStream input, object inserted, IList<string> tokenNames)68 public MissingTokenException(string message, int expecting, IIntStream input, object inserted, IList<string> tokenNames) 69 : base(message, expecting, input, tokenNames) { 70 this._inserted = inserted; 71 } 72 MissingTokenException(string message, int expecting, IIntStream input, object inserted, IList<string> tokenNames, Exception innerException)73 public MissingTokenException(string message, int expecting, IIntStream input, object inserted, IList<string> tokenNames, Exception innerException) 74 : base(message, expecting, input, tokenNames, innerException) { 75 this._inserted = inserted; 76 } 77 MissingTokenException(SerializationInfo info, StreamingContext context)78 protected MissingTokenException(SerializationInfo info, StreamingContext context) 79 : base(info, context) { 80 } 81 82 public virtual int MissingType { 83 get { 84 return Expecting; 85 } 86 } 87 ToString()88 public override string ToString() { 89 if (_inserted != null && Token != null) { 90 return "MissingTokenException(inserted " + _inserted + " at " + Token.Text + ")"; 91 } 92 if (Token != null) { 93 return "MissingTokenException(at " + Token.Text + ")"; 94 } 95 return "MissingTokenException"; 96 } 97 } 98 } 99