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