| 1 | #! /usr/bin/env python
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| 2 |
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| 3 | """Token constants (from "token.h")."""
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| 4 |
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| 5 | # This file is automatically generated; please don't muck it up!
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| 6 | #
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| 7 | # To update the symbols in this file, 'cd' to the top directory of
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| 8 | # the python source tree after building the interpreter and run:
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| 9 | #
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| 10 | # ./python Lib/token.py
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| 11 |
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| 12 | #--start constants--
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| 13 | ENDMARKER = 0
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| 14 | NAME = 1
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| 15 | NUMBER = 2
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| 16 | STRING = 3
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| 17 | NEWLINE = 4
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| 18 | INDENT = 5
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| 19 | DEDENT = 6
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| 20 | LPAR = 7
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| 21 | RPAR = 8
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| 22 | LSQB = 9
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| 23 | RSQB = 10
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| 24 | COLON = 11
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| 25 | COMMA = 12
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| 26 | SEMI = 13
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| 27 | PLUS = 14
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| 28 | MINUS = 15
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| 29 | STAR = 16
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| 30 | SLASH = 17
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| 31 | VBAR = 18
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| 32 | AMPER = 19
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| 33 | LESS = 20
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| 34 | GREATER = 21
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| 35 | EQUAL = 22
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| 36 | DOT = 23
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| 37 | PERCENT = 24
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| 38 | BACKQUOTE = 25
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| 39 | LBRACE = 26
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| 40 | RBRACE = 27
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| 41 | EQEQUAL = 28
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| 42 | NOTEQUAL = 29
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| 43 | LESSEQUAL = 30
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| 44 | GREATEREQUAL = 31
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| 45 | TILDE = 32
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| 46 | CIRCUMFLEX = 33
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| 47 | LEFTSHIFT = 34
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| 48 | RIGHTSHIFT = 35
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| 49 | DOUBLESTAR = 36
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| 50 | PLUSEQUAL = 37
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| 51 | MINEQUAL = 38
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| 52 | STAREQUAL = 39
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| 53 | SLASHEQUAL = 40
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| 54 | PERCENTEQUAL = 41
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| 55 | AMPEREQUAL = 42
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| 56 | VBAREQUAL = 43
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| 57 | CIRCUMFLEXEQUAL = 44
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| 58 | LEFTSHIFTEQUAL = 45
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| 59 | RIGHTSHIFTEQUAL = 46
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| 60 | DOUBLESTAREQUAL = 47
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| 61 | DOUBLESLASH = 48
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| 62 | DOUBLESLASHEQUAL = 49
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| 63 | AT = 50
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| 64 | OP = 51
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| 65 | ERRORTOKEN = 52
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| 66 | N_TOKENS = 53
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| 67 | NT_OFFSET = 256
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| 68 | #--end constants--
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| 69 |
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| 70 | tok_name = {}
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| 71 | for _name, _value in globals().items():
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| 72 | if type(_value) is type(0):
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| 73 | tok_name[_value] = _name
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| 74 | del _name, _value
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| 75 |
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| 76 |
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| 77 | def ISTERMINAL(x):
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| 78 | return x < NT_OFFSET
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| 79 |
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| 80 | def ISNONTERMINAL(x):
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| 81 | return x >= NT_OFFSET
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| 82 |
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| 83 | def ISEOF(x):
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| 84 | return x == ENDMARKER
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| 85 |
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| 86 |
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| 87 | def main():
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| 88 | import re
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| 89 | import sys
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| 90 | args = sys.argv[1:]
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| 91 | inFileName = args and args[0] or "Include/token.h"
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| 92 | outFileName = "Lib/token.py"
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| 93 | if len(args) > 1:
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| 94 | outFileName = args[1]
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| 95 | try:
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| 96 | fp = open(inFileName)
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| 97 | except IOError, err:
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| 98 | sys.stdout.write("I/O error: %s\n" % str(err))
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| 99 | sys.exit(1)
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| 100 | lines = fp.read().split("\n")
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| 101 | fp.close()
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| 102 | prog = re.compile(
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| 103 | "#define[ \t][ \t]*([A-Z0-9][A-Z0-9_]*)[ \t][ \t]*([0-9][0-9]*)",
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| 104 | re.IGNORECASE)
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| 105 | tokens = {}
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| 106 | for line in lines:
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| 107 | match = prog.match(line)
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| 108 | if match:
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| 109 | name, val = match.group(1, 2)
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| 110 | val = int(val)
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| 111 | tokens[val] = name # reverse so we can sort them...
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| 112 | keys = tokens.keys()
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| 113 | keys.sort()
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| 114 | # load the output skeleton from the target:
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| 115 | try:
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| 116 | fp = open(outFileName)
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| 117 | except IOError, err:
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| 118 | sys.stderr.write("I/O error: %s\n" % str(err))
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| 119 | sys.exit(2)
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| 120 | format = fp.read().split("\n")
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| 121 | fp.close()
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| 122 | try:
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| 123 | start = format.index("#--start constants--") + 1
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| 124 | end = format.index("#--end constants--")
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| 125 | except ValueError:
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| 126 | sys.stderr.write("target does not contain format markers")
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| 127 | sys.exit(3)
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| 128 | lines = []
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| 129 | for val in keys:
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| 130 | lines.append("%s = %d" % (tokens[val], val))
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| 131 | format[start:end] = lines
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| 132 | try:
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| 133 | fp = open(outFileName, 'w')
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| 134 | except IOError, err:
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| 135 | sys.stderr.write("I/O error: %s\n" % str(err))
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| 136 | sys.exit(4)
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| 137 | fp.write("\n".join(format))
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| 138 | fp.close()
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| 139 |
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| 140 |
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| 141 | if __name__ == "__main__":
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| 142 | main()
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