Staging
v0.8.1
v0.8.1
https://github.com/python/cpython
Tip revision: 1da43e5e916949c8e849e656d9d05fa4b9d6836c authored by Benjamin Peterson on 26 June 2009, 13:21:52 UTC
rearrange the sections of the README, so they'll hopefully be more in the order people will interested in
rearrange the sections of the README, so they'll hopefully be more in the order people will interested in
Tip revision: 1da43e5
token.py
#! /usr/bin/env python
"""Token constants (from "token.h")."""
# This file is automatically generated; please don't muck it up!
#
# To update the symbols in this file, 'cd' to the top directory of
# the python source tree after building the interpreter and run:
#
# python Lib/token.py
#--start constants--
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 = 26
RBRACE = 27
EQEQUAL = 28
NOTEQUAL = 29
LESSEQUAL = 30
GREATEREQUAL = 31
TILDE = 32
CIRCUMFLEX = 33
LEFTSHIFT = 34
RIGHTSHIFT = 35
DOUBLESTAR = 36
PLUSEQUAL = 37
MINEQUAL = 38
STAREQUAL = 39
SLASHEQUAL = 40
PERCENTEQUAL = 41
AMPEREQUAL = 42
VBAREQUAL = 43
CIRCUMFLEXEQUAL = 44
LEFTSHIFTEQUAL = 45
RIGHTSHIFTEQUAL = 46
DOUBLESTAREQUAL = 47
DOUBLESLASH = 48
DOUBLESLASHEQUAL = 49
AT = 50
RARROW = 51
ELLIPSIS = 52
OP = 53
ERRORTOKEN = 54
N_TOKENS = 55
NT_OFFSET = 256
#--end constants--
tok_name = {}
for _name, _value in list(globals().items()):
if type(_value) is type(0):
tok_name[_value] = _name
del _name, _value
def ISTERMINAL(x):
return x < NT_OFFSET
def ISNONTERMINAL(x):
return x >= NT_OFFSET
def ISEOF(x):
return x == ENDMARKER
def main():
import re
import sys
args = sys.argv[1:]
inFileName = args and args[0] or "Include/token.h"
outFileName = "Lib/token.py"
if len(args) > 1:
outFileName = args[1]
try:
fp = open(inFileName)
except IOError as err:
sys.stdout.write("I/O error: %s\n" % str(err))
sys.exit(1)
lines = fp.read().split("\n")
fp.close()
prog = re.compile(
"#define[ \t][ \t]*([A-Z0-9][A-Z0-9_]*)[ \t][ \t]*([0-9][0-9]*)",
re.IGNORECASE)
tokens = {}
for line in lines:
match = prog.match(line)
if match:
name, val = match.group(1, 2)
val = int(val)
tokens[val] = name # reverse so we can sort them...
keys = sorted(tokens.keys())
# load the output skeleton from the target:
try:
fp = open(outFileName)
except IOError as err:
sys.stderr.write("I/O error: %s\n" % str(err))
sys.exit(2)
format = fp.read().split("\n")
fp.close()
try:
start = format.index("#--start constants--") + 1
end = format.index("#--end constants--")
except ValueError:
sys.stderr.write("target does not contain format markers")
sys.exit(3)
lines = []
for val in keys:
lines.append("%s = %d" % (tokens[val], val))
format[start:end] = lines
try:
fp = open(outFileName, 'w')
except IOError as err:
sys.stderr.write("I/O error: %s\n" % str(err))
sys.exit(4)
fp.write("\n".join(format))
fp.close()
if __name__ == "__main__":
main()