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Java > Open Source Codes > org > aspectj > compiler > base > parser > Token


1 /* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2  *
3  * This file is part of the compiler and core tools for the AspectJ(tm)
4  * programming language; see http://aspectj.org
5  *
6  * The contents of this file are subject to the Mozilla Public License
7  * Version 1.1 (the "License"); you may not use this file except in
8  * compliance with the License. You may obtain a copy of the License at
9  * either http://www.mozilla.org/MPL/ or http://aspectj.org/MPL/.
10  *
11  * Software distributed under the License is distributed on an "AS IS" basis,
12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13  * for the specific language governing rights and limitations under the
14  * License.
15  *
16  * The Original Code is AspectJ.
17  *
18  * The Initial Developer of the Original Code is Xerox Corporation. Portions
19  * created by Xerox Corporation are Copyright (C) 1999-2002 Xerox Corporation.
20  * All Rights Reserved.
21  *
22  * Contributor(s):
23  */
24
25 package org.aspectj.compiler.base.parser;
26
27 import org.aspectj.compiler.base.JavaCompiler;
28 import org.aspectj.compiler.base.ast.*;
29
30 public class Token implements JavaConstants {
31     public Token(int _kind, String JavaDoc _image, boolean _isIdentifier) {
32         kind = _kind;
33         image = _image;
34         isIdentifier = _isIdentifier;
35     }
36
37     public int kind;
38     // an optimization would be to encode this in the value of kind
39 boolean isIdentifier;
40
41     public int startPosition, endPosition;
42     public String JavaDoc image;
43
44     public boolean isIdentifier() {
45         return isIdentifier;
46     }
47
48     public Expr getExpr(SourceLocation source) {
49         return null;
50     }
51
52     public Expr getNegativeExpr(SourceLocation source) {
53         return null;
54     }
55
56     public Token specialToken;
57
58     public String JavaDoc toString() {
59         if (specialToken != null) {
60             return "Token("+image+", " + specialToken + ")";
61         } else {
62             return "Token("+image+")";
63         }
64     }
65 }
66
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