mirror of
https://github.com/python/cpython.git
synced 2024-11-24 00:38:00 +01:00
132 lines
2.7 KiB
Python
132 lines
2.7 KiB
Python
#
|
|
# Secret Labs' Regular Expression Engine
|
|
# $Id$
|
|
#
|
|
# various symbols used by the regular expression engine.
|
|
# run this script to update the _sre include files!
|
|
#
|
|
# Copyright (c) 1998-2000 by Secret Labs AB. All rights reserved.
|
|
#
|
|
# This code can only be used for 1.6 alpha testing. All other use
|
|
# require explicit permission from Secret Labs AB.
|
|
#
|
|
# Portions of this engine have been developed in cooperation with
|
|
# CNRI. Hewlett-Packard provided funding for 1.6 integration and
|
|
# other compatibility work.
|
|
#
|
|
|
|
# operators
|
|
|
|
FAILURE = "failure"
|
|
SUCCESS = "success"
|
|
|
|
ANY = "any"
|
|
ASSERT = "assert"
|
|
AT = "at"
|
|
BRANCH = "branch"
|
|
CALL = "call"
|
|
CATEGORY = "category"
|
|
GROUP = "group"
|
|
GROUP_IGNORE = "group_ignore"
|
|
IN = "in"
|
|
IN_IGNORE = "in_ignore"
|
|
JUMP = "jump"
|
|
LITERAL = "literal"
|
|
LITERAL_IGNORE = "literal_ignore"
|
|
MARK = "mark"
|
|
MAX_REPEAT = "max_repeat"
|
|
MAX_REPEAT_ONE = "max_repeat_one"
|
|
MAX_UNTIL = "max_until"
|
|
MIN_REPEAT = "min_repeat"
|
|
MIN_UNTIL = "min_until"
|
|
NEGATE = "negate"
|
|
NOT_LITERAL = "not_literal"
|
|
NOT_LITERAL_IGNORE = "not_literal_ignore"
|
|
RANGE = "range"
|
|
REPEAT = "repeat"
|
|
SUBPATTERN = "subpattern"
|
|
|
|
# positions
|
|
AT_BEGINNING = "at_beginning"
|
|
AT_BOUNDARY = "at_boundary"
|
|
AT_NON_BOUNDARY = "at_non_boundary"
|
|
AT_END = "at_end"
|
|
|
|
# categories
|
|
|
|
CATEGORY_DIGIT = "category_digit"
|
|
CATEGORY_NOT_DIGIT = "category_not_digit"
|
|
CATEGORY_SPACE = "category_space"
|
|
CATEGORY_NOT_SPACE = "category_not_space"
|
|
CATEGORY_WORD = "category_word"
|
|
CATEGORY_NOT_WORD = "category_not_word"
|
|
|
|
CODES = [
|
|
|
|
# failure=0 success=1 (just because it looks better that way :-)
|
|
FAILURE, SUCCESS,
|
|
|
|
ANY,
|
|
ASSERT,
|
|
AT,
|
|
BRANCH,
|
|
CALL,
|
|
CATEGORY,
|
|
GROUP, GROUP_IGNORE,
|
|
IN, IN_IGNORE,
|
|
JUMP,
|
|
LITERAL, LITERAL_IGNORE,
|
|
MARK,
|
|
MAX_REPEAT, MAX_UNTIL,
|
|
MAX_REPEAT_ONE,
|
|
MIN_REPEAT, MIN_UNTIL,
|
|
NOT_LITERAL, NOT_LITERAL_IGNORE,
|
|
NEGATE,
|
|
RANGE,
|
|
REPEAT
|
|
|
|
]
|
|
|
|
# convert to dictionary
|
|
c = {}
|
|
i = 0
|
|
for code in CODES:
|
|
c[code] = i
|
|
i = i + 1
|
|
CODES = c
|
|
|
|
# replacement operations for "ignore case" mode
|
|
MAP_IGNORE = {
|
|
GROUP: GROUP_IGNORE,
|
|
IN: IN_IGNORE,
|
|
LITERAL: LITERAL_IGNORE,
|
|
NOT_LITERAL: NOT_LITERAL_IGNORE
|
|
}
|
|
|
|
POSITIONS = {
|
|
AT_BEGINNING: ord("a"),
|
|
AT_BOUNDARY: ord("b"),
|
|
AT_NON_BOUNDARY: ord("B"),
|
|
AT_END: ord("z"),
|
|
}
|
|
|
|
CATEGORIES = {
|
|
CATEGORY_DIGIT: ord("d"),
|
|
CATEGORY_NOT_DIGIT: ord("D"),
|
|
CATEGORY_SPACE: ord("s"),
|
|
CATEGORY_NOT_SPACE: ord("S"),
|
|
CATEGORY_WORD: ord("w"),
|
|
CATEGORY_NOT_WORD: ord("W"),
|
|
}
|
|
|
|
if __name__ == "__main__":
|
|
import string
|
|
items = CODES.items()
|
|
items.sort(lambda a, b: cmp(a[1], b[1]))
|
|
f = open("sre_constants.h", "w")
|
|
f.write("/* generated by sre_constants.py */\n")
|
|
for k, v in items:
|
|
f.write("#define SRE_OP_" + string.upper(k) + " " + str(v) + "\n")
|
|
f.close()
|
|
print "done"
|