|
1
|
/* Generated By:JavaCC: Do not edit this line. Token.java Version 5.0 */
|
|
2
|
/* JavaCCOptions:TOKEN_EXTENDS=,KEEP_LINE_COL=null,SUPPORT_CLASS_VISIBILITY_PUBLIC=true */
|
|
3
|
package eu.dnetlib.data.collective.transformation.rulelanguage.parser;
|
|
4
|
|
|
5
|
/**
|
|
6
|
* Describes the input token stream.
|
|
7
|
*/
|
|
8
|
|
|
9
|
public class Token implements java.io.Serializable {
|
|
10
|
|
|
11
|
/**
|
|
12
|
* The version identifier for this Serializable class.
|
|
13
|
* Increment only if the <i>serialized</i> form of the
|
|
14
|
* class changes.
|
|
15
|
*/
|
|
16
|
private static final long serialVersionUID = 1L;
|
|
17
|
|
|
18
|
/**
|
|
19
|
* An integer that describes the kind of this token. This numbering
|
|
20
|
* system is determined by JavaCCParser, and a table of these numbers is
|
|
21
|
* stored in the file ...Constants.java.
|
|
22
|
*/
|
|
23
|
public int kind;
|
|
24
|
|
|
25
|
/** The line number of the first character of this Token. */
|
|
26
|
public int beginLine;
|
|
27
|
/** The column number of the first character of this Token. */
|
|
28
|
public int beginColumn;
|
|
29
|
/** The line number of the last character of this Token. */
|
|
30
|
public int endLine;
|
|
31
|
/** The column number of the last character of this Token. */
|
|
32
|
public int endColumn;
|
|
33
|
|
|
34
|
/**
|
|
35
|
* The string image of the token.
|
|
36
|
*/
|
|
37
|
public String image;
|
|
38
|
|
|
39
|
/**
|
|
40
|
* A reference to the next regular (non-special) token from the input
|
|
41
|
* stream. If this is the last token from the input stream, or if the
|
|
42
|
* token manager has not read tokens beyond this one, this field is
|
|
43
|
* set to null. This is true only if this token is also a regular
|
|
44
|
* token. Otherwise, see below for a description of the contents of
|
|
45
|
* this field.
|
|
46
|
*/
|
|
47
|
public Token next;
|
|
48
|
|
|
49
|
/**
|
|
50
|
* This field is used to access special tokens that occur prior to this
|
|
51
|
* token, but after the immediately preceding regular (non-special) token.
|
|
52
|
* If there are no such special tokens, this field is set to null.
|
|
53
|
* When there are more than one such special token, this field refers
|
|
54
|
* to the last of these special tokens, which in turn refers to the next
|
|
55
|
* previous special token through its specialToken field, and so on
|
|
56
|
* until the first special token (whose specialToken field is null).
|
|
57
|
* The next fields of special tokens refer to other special tokens that
|
|
58
|
* immediately follow it (without an intervening regular token). If there
|
|
59
|
* is no such token, this field is null.
|
|
60
|
*/
|
|
61
|
public Token specialToken;
|
|
62
|
|
|
63
|
/**
|
|
64
|
* An optional attribute value of the Token.
|
|
65
|
* Tokens which are not used as syntactic sugar will often contain
|
|
66
|
* meaningful values that will be used later on by the compiler or
|
|
67
|
* interpreter. This attribute value is often different from the image.
|
|
68
|
* Any subclass of Token that actually wants to return a non-null value can
|
|
69
|
* override this method as appropriate.
|
|
70
|
*/
|
|
71
|
public Object getValue() {
|
|
72
|
return null;
|
|
73
|
}
|
|
74
|
|
|
75
|
/**
|
|
76
|
* No-argument constructor
|
|
77
|
*/
|
|
78
|
public Token() {}
|
|
79
|
|
|
80
|
/**
|
|
81
|
* Constructs a new token for the specified Image.
|
|
82
|
*/
|
|
83
|
public Token(int kind)
|
|
84
|
{
|
|
85
|
this(kind, null);
|
|
86
|
}
|
|
87
|
|
|
88
|
/**
|
|
89
|
* Constructs a new token for the specified Image and Kind.
|
|
90
|
*/
|
|
91
|
public Token(int kind, String image)
|
|
92
|
{
|
|
93
|
this.kind = kind;
|
|
94
|
this.image = image;
|
|
95
|
}
|
|
96
|
|
|
97
|
/**
|
|
98
|
* Returns the image.
|
|
99
|
*/
|
|
100
|
public String toString()
|
|
101
|
{
|
|
102
|
return image;
|
|
103
|
}
|
|
104
|
|
|
105
|
/**
|
|
106
|
* Returns a new Token object, by default. However, if you want, you
|
|
107
|
* can create and return subclass objects based on the value of ofKind.
|
|
108
|
* Simply add the cases to the switch for all those special cases.
|
|
109
|
* For example, if you have a subclass of Token called IDToken that
|
|
110
|
* you want to create if ofKind is ID, simply add something like :
|
|
111
|
*
|
|
112
|
* case MyParserConstants.ID : return new IDToken(ofKind, image);
|
|
113
|
*
|
|
114
|
* to the following switch statement. Then you can cast matchedToken
|
|
115
|
* variable to the appropriate type and use sit in your lexical actions.
|
|
116
|
*/
|
|
117
|
public static Token newToken(int ofKind, String image)
|
|
118
|
{
|
|
119
|
switch(ofKind)
|
|
120
|
{
|
|
121
|
default : return new Token(ofKind, image);
|
|
122
|
}
|
|
123
|
}
|
|
124
|
|
|
125
|
public static Token newToken(int ofKind)
|
|
126
|
{
|
|
127
|
return newToken(ofKind, null);
|
|
128
|
}
|
|
129
|
|
|
130
|
}
|
|
131
|
/* JavaCC - OriginalChecksum=d30698094e3526551e198c33b8e7086d (do not edit this line) */
|