FilesExpand file tree

 master

/

Token.java

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

153 lines (130 loc) · 4.17 KB

 master

/

Token.java

Copy path

Top

File metadata and controls

• Code
• Blame

153 lines (130 loc) · 4.17 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

/*

* Token.java - Generic token

* Copyright (C) 1998, 1999 Slava Pestov

*

* You may use and modify this package for any purpose. Redistribution is

* permitted, in both source and binary form, provided that this notice

* remains intact in all source distributions of this package.

*/

package processing.app.syntax;

/**

* A linked list of tokens. Each token has three fields - a token

* identifier, which is a byte value that can be looked up in the

* array returned by <code>SyntaxDocument.getColors()</code>

* to get a color value, a length value which is the length of the

* token in the text, and a pointer to the next token in the list.

*

* @author Slava Pestov

*/

public class Token

{

/**

* Normal text token id. This should be used to mark

* normal text.

*/

public static final byte NULL = 0;

/**

* Comment 1 token id. This can be used to mark a comment.

*/

public static final byte COMMENT1 = 1;

/**

* Comment 2 token id. This can be used to mark a comment.

*/

public static final byte COMMENT2 = 2;

/**

* Literal 1 token id. This can be used to mark a string

* literal (eg, C mode uses this to mark "..." literals)

*/

public static final byte LITERAL1 = 3;

/**

* Literal 2 token id. This can be used to mark an object

* literal (eg, Java mode uses this to mark true, false, etc)

*/

public static final byte LITERAL2 = 4;

/**

* Label token id. This can be used to mark labels

* (eg, C mode uses this to mark ...: sequences)

*/

public static final byte LABEL = 5;

/**

* Keyword 1 token id. This can be used to mark a

* keyword. This should be used for general language

* constructs.

*/

public static final byte KEYWORD1 = 6;

/**

* Keyword 2 token id. This can be used to mark a

* keyword. This should be used for preprocessor

* commands, or variables.

*/

public static final byte KEYWORD2 = 7;

/**

* Keyword 3 token id. This can be used to mark a

* keyword. This should be used for data types.

*/

public static final byte KEYWORD3 = 8;

/**

* Operator token id. This can be used to mark an

* operator. (eg, SQL mode marks +, -, etc with this

* token type)

*/

public static final byte OPERATOR = 9;

/**

* URL token id.

*/

public static final byte URL = 10;

/**

* Invalid token id. This can be used to mark invalid

* or incomplete tokens, so the user can easily spot

* syntax errors.

*/

public static final byte INVALID = 11;

/**

* The total number of defined token ids.

*/

public static final byte ID_COUNT = 12;

/**

* The first id that can be used for internal state

* in a token marker.

*/

public static final byte INTERNAL_FIRST = 100;

/**

* The last id that can be used for internal state

* in a token marker.

*/

public static final byte INTERNAL_LAST = 126;

/**

* The token type, that along with a length of 0

* marks the end of the token list.

*/

public static final byte END = 127;

/**

* The length of this token.

*/

public int length;

/**

* The id of this token.

*/

public byte id;

/**

* The next token in the linked list.

*/

public Token next;

/**

* Creates a new token.

* @param length The length of the token

* @param id The id of the token

*/

public Token(int length, byte id)

{

this.length = length;

this.id = id;

}

/**

* Returns a string representation of this token.

*/

public String toString()

{

return "[id=" + id + ",length=" + length + "]";

}

}