Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
Token |
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| 1.0;1 |
1 | /* Generated By:JavaCC: Do not edit this line. Token.java Version 2.1 */ | |
2 | package org.apache.commons.el.parser; | |
3 | ||
4 | /** | |
5 | * Describes the input token stream. | |
6 | */ | |
7 | ||
8 | 51 | public class Token { |
9 | ||
10 | /** | |
11 | * An integer that describes the kind of this token. This numbering | |
12 | * system is determined by JavaCCParser, and a table of these numbers is | |
13 | * stored in the file ...Constants.java. | |
14 | */ | |
15 | public int kind; | |
16 | ||
17 | /** | |
18 | * beginLine and beginColumn describe the position of the first character | |
19 | * of this token; endLine and endColumn describe the position of the | |
20 | * last character of this token. | |
21 | */ | |
22 | public int beginLine, beginColumn, endLine, endColumn; | |
23 | ||
24 | /** | |
25 | * The string image of the token. | |
26 | */ | |
27 | public String image; | |
28 | ||
29 | /** | |
30 | * A reference to the next regular (non-special) token from the input | |
31 | * stream. If this is the last token from the input stream, or if the | |
32 | * token manager has not read tokens beyond this one, this field is | |
33 | * set to null. This is true only if this token is also a regular | |
34 | * token. Otherwise, see below for a description of the contents of | |
35 | * this field. | |
36 | */ | |
37 | public Token next; | |
38 | ||
39 | /** | |
40 | * This field is used to access special tokens that occur prior to this | |
41 | * token, but after the immediately preceding regular (non-special) token. | |
42 | * If there are no such special tokens, this field is set to null. | |
43 | * When there are more than one such special token, this field refers | |
44 | * to the last of these special tokens, which in turn refers to the next | |
45 | * previous special token through its specialToken field, and so on | |
46 | * until the first special token (whose specialToken field is null). | |
47 | * The next fields of special tokens refer to other special tokens that | |
48 | * immediately follow it (without an intervening regular token). If there | |
49 | * is no such token, this field is null. | |
50 | */ | |
51 | public Token specialToken; | |
52 | ||
53 | /** | |
54 | * Returns the image. | |
55 | */ | |
56 | public final String toString() | |
57 | { | |
58 | 0 | return image; |
59 | } | |
60 | ||
61 | /** | |
62 | * Returns a new Token object, by default. However, if you want, you | |
63 | * can create and return subclass objects based on the value of ofKind. | |
64 | * Simply add the cases to the switch for all those special cases. | |
65 | * For example, if you have a subclass of Token called IDToken that | |
66 | * you want to create if ofKind is ID, simlpy add something like : | |
67 | * | |
68 | * case MyParserConstants.ID : return new IDToken(); | |
69 | * | |
70 | * to the following switch statement. Then you can cast matchedToken | |
71 | * variable to the appropriate type and use it in your lexical actions. | |
72 | */ | |
73 | public static final Token newToken(int ofKind) | |
74 | { | |
75 | 43 | switch(ofKind) |
76 | { | |
77 | 43 | default : return new Token(); |
78 | } | |
79 | } | |
80 | ||
81 | } |