summaryrefslogtreecommitdiff
path: root/Lib/token.py
blob: 9d0c0bf0fb0368e15170336a0c60b17f5fa4da40 (plain)
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
"""Token constants."""
# Auto-generated by Tools/scripts/generate_token.py

__all__ = ['tok_name', 'ISTERMINAL', 'ISNONTERMINAL', 'ISEOF']

ENDMARKER = 0
NAME = 1
NUMBER = 2
STRING = 3
NEWLINE = 4
INDENT = 5
DEDENT = 6
LPAR = 7
RPAR = 8
LSQB = 9
RSQB = 10
COLON = 11
COMMA = 12
SEMI = 13
PLUS = 14
MINUS = 15
STAR = 16
SLASH = 17
VBAR = 18
AMPER = 19
LESS = 20
GREATER = 21
EQUAL = 22
DOT = 23
PERCENT = 24
LBRACE = 25
RBRACE = 26
EQEQUAL = 27
NOTEQUAL = 28
LESSEQUAL = 29
GREATEREQUAL = 30
TILDE = 31
CIRCUMFLEX = 32
LEFTSHIFT = 33
RIGHTSHIFT = 34
DOUBLESTAR = 35
PLUSEQUAL = 36
MINEQUAL = 37
STAREQUAL = 38
SLASHEQUAL = 39
PERCENTEQUAL = 40
AMPEREQUAL = 41
VBAREQUAL = 42
CIRCUMFLEXEQUAL = 43
LEFTSHIFTEQUAL = 44
RIGHTSHIFTEQUAL = 45
DOUBLESTAREQUAL = 46
DOUBLESLASH = 47
DOUBLESLASHEQUAL = 48
AT = 49
ATEQUAL = 50
RARROW = 51
ELLIPSIS = 52
COLONEQUAL = 53
OP = 54
AWAIT = 55
ASYNC = 56
TYPE_IGNORE = 57
TYPE_COMMENT = 58
SOFT_KEYWORD = 59
# These aren't used by the C tokenizer but are needed for tokenize.py
ERRORTOKEN = 60
COMMENT = 61
NL = 62
ENCODING = 63
N_TOKENS = 64
# Special definitions for cooperation with parser
NT_OFFSET = 256

tok_name = {value: name
            for name, value in globals().items()
            if isinstance(value, int) and not name.startswith('_')}
__all__.extend(tok_name.values())

EXACT_TOKEN_TYPES = {
    '!=': NOTEQUAL,
    '%': PERCENT,
    '%=': PERCENTEQUAL,
    '&': AMPER,
    '&=': AMPEREQUAL,
    '(': LPAR,
    ')': RPAR,
    '*': STAR,
    '**': DOUBLESTAR,
    '**=': DOUBLESTAREQUAL,
    '*=': STAREQUAL,
    '+': PLUS,
    '+=': PLUSEQUAL,
    ',': COMMA,
    '-': MINUS,
    '-=': MINEQUAL,
    '->': RARROW,
    '.': DOT,
    '...': ELLIPSIS,
    '/': SLASH,
    '//': DOUBLESLASH,
    '//=': DOUBLESLASHEQUAL,
    '/=': SLASHEQUAL,
    ':': COLON,
    ':=': COLONEQUAL,
    ';': SEMI,
    '<': LESS,
    '<<': LEFTSHIFT,
    '<<=': LEFTSHIFTEQUAL,
    '<=': LESSEQUAL,
    '=': EQUAL,
    '==': EQEQUAL,
    '>': GREATER,
    '>=': GREATEREQUAL,
    '>>': RIGHTSHIFT,
    '>>=': RIGHTSHIFTEQUAL,
    '@': AT,
    '@=': ATEQUAL,
    '[': LSQB,
    ']': RSQB,
    '^': CIRCUMFLEX,
    '^=': CIRCUMFLEXEQUAL,
    '{': LBRACE,
    '|': VBAR,
    '|=': VBAREQUAL,
    '}': RBRACE,
    '~': TILDE,
}

def ISTERMINAL(x):
    return x < NT_OFFSET

def ISNONTERMINAL(x):
    return x >= NT_OFFSET

def ISEOF(x):
    return x == ENDMARKER