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https://github.com/python/cpython.git
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132 lines
2.6 KiB
Python
Executable File
132 lines
2.6 KiB
Python
Executable File
#! /usr/bin/env python
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#
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# Tokens (from "token.h")
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#
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# This file is automatically generated; please don't muck it up!
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#
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# To update the symbols in this file, 'cd' to the top directory of
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# the python source tree after building the interpreter and run:
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#
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# PYTHONPATH=./Lib ./python Lib/token.py
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#
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# (this path allows the import of string.py and regexmodule.so
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# for a site with no installation in place)
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#--start constants--
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ENDMARKER = 0
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NAME = 1
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NUMBER = 2
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STRING = 3
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NEWLINE = 4
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INDENT = 5
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DEDENT = 6
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LPAR = 7
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RPAR = 8
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LSQB = 9
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RSQB = 10
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COLON = 11
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COMMA = 12
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SEMI = 13
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PLUS = 14
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MINUS = 15
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STAR = 16
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SLASH = 17
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VBAR = 18
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AMPER = 19
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LESS = 20
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GREATER = 21
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EQUAL = 22
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DOT = 23
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PERCENT = 24
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BACKQUOTE = 25
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LBRACE = 26
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RBRACE = 27
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EQEQUAL = 28
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NOTEQUAL = 29
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LESSEQUAL = 30
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GREATEREQUAL = 31
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TILDE = 32
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CIRCUMFLEX = 33
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LEFTSHIFT = 34
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RIGHTSHIFT = 35
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DOUBLESTAR = 36
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OP = 37
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ERRORTOKEN = 38
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N_TOKENS = 39
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NT_OFFSET = 256
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#--end constants--
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names = dir()
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tok_name = {}
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for name in names:
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number = eval(name)
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if type(number) is type(0):
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tok_name[number] = name
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def ISTERMINAL(x):
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return x < NT_OFFSET
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def ISNONTERMINAL(x):
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return x >= NT_OFFSET
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def ISEOF(x):
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return x == ENDMARKER
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def main():
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import regex
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import string
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import sys
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args = sys.argv[1:]
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inFileName = args and args[0] or "Include/token.h"
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outFileName = "Lib/token.py"
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if len(args) > 1:
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outFileName = args[1]
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try:
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fp = open(inFileName)
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except IOError, err:
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sys.stdout.write("I/O error: %s\n" % str(err))
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sys.exit(1)
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lines = string.splitfields(fp.read(), "\n")
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fp.close()
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re = regex.compile(
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"#define[ \t][ \t]*\([A-Z][A-Z_]*\)[ \t][ \t]*\([0-9][0-9]*\)",
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regex.casefold)
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tokens = {}
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for line in lines:
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if re.match(line) > -1:
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name, val = re.group(1, 2)
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val = string.atoi(val)
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tokens[val] = name # reverse so we can sort them...
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keys = tokens.keys()
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keys.sort()
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# load the output skeleton from the target:
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try:
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fp = open(outFileName)
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except IOError, err:
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sys.stderr.write("I/O error: %s\n" % str(err))
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sys.exit(2)
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format = string.splitfields(fp.read(), "\n")
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fp.close()
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try:
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start = format.index("#--start constants--") + 1
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end = format.index("#--end constants--")
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except ValueError:
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sys.stderr.write("target does not contain format markers")
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sys.exit(3)
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lines = []
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for val in keys:
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lines.append("%s = %d" % (tokens[val], val))
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format[start:end] = lines
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try:
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fp = open(outFileName, 'w')
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except IOError, err:
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sys.stderr.write("I/O error: %s\n" % str(err))
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sys.exit(4)
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fp.write(string.joinfields(format, "\n"))
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fp.close()
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if __name__ == "__main__":
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main()
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