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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     public interface IToken {
36         /** <summary>Get the text of the token</summary> */
37         string Text {
38             get;
39             set;
40         }
41 
42         int Type {
43             get;
44             set;
45         }
46 
47         /** <summary>The line number on which this token was matched; line=1..n</summary> */
48         int Line {
49             get;
50             set;
51         }
52 
53         /** <summary>The index of the first character relative to the beginning of the line 0..n-1</summary> */
54         int CharPositionInLine {
55             get;
56             set;
57         }
58 
59         int Channel {
60             get;
61             set;
62         }
63 
64         int StartIndex {
65             get;
66             set;
67         }
68 
69         int StopIndex {
70             get;
71             set;
72         }
73 
74         /** <summary>
75          *  An index from 0..n-1 of the token object in the input stream.
76          *  This must be valid in order to use the ANTLRWorks debugger.
77          *  </summary>
78          */
79         int TokenIndex {
80             get;
81             set;
82         }
83 
84         /** <summary>
85          *  From what character stream was this token created?  You don't have to
86          *  implement but it's nice to know where a Token comes from if you have
87          *  include files etc... on the input.
88          *  </summary>
89          */
90         ICharStream InputStream {
91             get;
92             set;
93         }
94     }
95 }
96