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SRE fixes for 2.1 alpha:

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-- added some more docstrings
-- fixed typo in scanner class (#125531)
-- the multiline flag (?m) should't affect the \Z operator (#127259)
-- fixed non-greedy backtracking bug (#123769, #127259)
-- added sre.DEBUG flag (currently dumps the parsed pattern structure)
-- fixed a couple of glitches in groupdict (the #126587 memory leak
   had already been fixed by AMK)
This commit is contained in:
Fredrik Lundh 2001-01-14 15:06:11 +00:00
parent 77b20f099e
commit 770617b23e
7 changed files with 104 additions and 66 deletions
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11
Lib/sre_constants.py
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@ -4,7 +4,7 @@
# 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.
# Copyright (c) 1998-2001 by Secret Labs AB. All rights reserved.
#
# See the sre.py file for information on usage and redistribution.
#
@ -54,10 +54,12 @@ SUBPATTERN = "subpattern"
# positions
AT_BEGINNING = "at_beginning"
AT_BEGINNING_LINE = "at_beginning_line"
AT_BEGINNING_STRING = "at_beginning_string"
AT_BOUNDARY = "at_boundary"
AT_NON_BOUNDARY = "at_non_boundary"
AT_END = "at_end"
AT_END_LINE = "at_end_line"
AT_END_STRING = "at_end_string"
# categories
CATEGORY_DIGIT = "category_digit"
@ -109,8 +111,8 @@ OPCODES = [
]
ATCODES = [
AT_BEGINNING, AT_BEGINNING_LINE, AT_BOUNDARY,
AT_NON_BOUNDARY, AT_END, AT_END_LINE
AT_BEGINNING, AT_BEGINNING_LINE, AT_BEGINNING_STRING, AT_BOUNDARY,
AT_NON_BOUNDARY, AT_END, AT_END_LINE, AT_END_STRING
]
CHCODES = [
@ -178,6 +180,7 @@ SRE_FLAG_MULTILINE = 8 # treat target as multiline string
SRE_FLAG_DOTALL = 16 # treat target as a single string
SRE_FLAG_UNICODE = 32 # use unicode locale
SRE_FLAG_VERBOSE = 64 # ignore whitespace and comments
SRE_FLAG_DEBUG = 128 # debugging
# flags for INFO primitive
SRE_INFO_PREFIX = 1 # has prefix
@ -201,7 +204,7 @@ if __name__ == "__main__":
* NOTE: This file is generated by sre_constants.py. If you need
* to change anything in here, edit sre_constants.py and run it.
*
* Copyright (c) 1997-2000 by Secret Labs AB. All rights reserved.
* Copyright (c) 1997-2001 by Secret Labs AB. All rights reserved.
*
* See the _sre.c file for information on usage and redistribution.
*/