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31 Commits

Author SHA1 Message Date
Christian Brabandt
d2cc51f9a1
patch 9.1.0011: regexp cannot match combining chars in collection 
Problem:  regexp cannot match combining chars in collection
Solution: Check for combining characters in regex collections for the
          NFA and BT Regex Engine

Also, while at it, make debug mode work again.

fixes #10286
closes: #12871

Signed-off-by: Christian Brabandt <cb@256bit.org>
 2024-01-04 22:54:08 +01:00
Bram Moolenaar
01105b37a1 patch 9.0.0951: trying every character position for a match is inefficient 
Problem:    Trying every character position for a match is inefficient.
Solution:   Use the start position of the match ignoring "\zs".
 2022-11-26 11:47:10 +00:00
Paul Ollis
6574577cac patch 8.2.5057: using gettimeofday() for timeout is very inefficient 
Problem:    Using gettimeofday() for timeout is very inefficient.
Solution:   Set a platform dependent timer. (Paul Ollis, closes #10505)
 2022-06-05 16:55:54 +01:00
Bram Moolenaar
4aaf3e7f4d patch 8.2.5046: vim_regsub() can overwrite the destination 
Problem:    vim_regsub() can overwrite the destination.
Solution:   Pass the destination length, give an error when it doesn't fit.
 2022-05-30 20:58:55 +01:00
Bram Moolenaar
33d3ce640c patch 8.2.4808: unused item in engine struct 
Problem:    Unused item in engine struct.
Solution:   Remove "expr".  Add comment with tags.
 2022-04-23 10:41:35 +01:00
kylo252
9dac9b1751 patch 8.2.4639: not sufficient parenthesis in preprocessor macros 
Problem:    Not sufficient parenthesis in preprocessor macros.
Solution:   Add more parenthesis. (closes #10031)
 2022-03-27 20:05:17 +01:00
Bram Moolenaar
9bf703d46a patch 8.1.2366: using old C style comments 
Problem:    Using old C style comments.
Solution:   Use // comments where appropriate.
 2019-11-30 19:44:38 +01:00
Bram Moolenaar
ad3ec76bb8 patch 8.1.1194: typos and small problems in source files 
Problem:    Typos and small problems in source files.
Solution:   Small fixes.
 2019-04-21 00:00:13 +02:00
Bram Moolenaar
0270f38e1a patch 8.1.0192: executing regexp recursively fails with a crash 
Problem:    Executing regexp recursively fails with a crash.
Solution:   Move global variables into "rex".
 2018-07-17 05:43:58 +02:00
Bram Moolenaar
fbd0b0af68 patch 8.0.0643: when a pattern search is slow Vim becomes unusable 
Problem:    When 'hlsearch' is set and matching with the last search pattern
            is very slow, Vim becomes unusable.  Cannot quit search by
            pressing CTRL-C.
Solution:   When the search times out set a flag and don't try again.  Check
            for timeout and CTRL-C in NFA loop that adds states.
 2017-06-17 18:44:21 +02:00
Bram Moolenaar
edf3f97ae2 patch 7.4.2293 
Problem:    Modelines in source code are inconsistant.
Solution:   Use the same line in most files.  Add 'noet'.  (Naruhiko Nishino)
 2016-08-29 22:49:24 +02:00
Bram Moolenaar
fda3729a06 updated for version 7.4.497 
Problem:    With some regexp patterns the NFA engine uses many states and
            becomes very slow.  To the user it looks like Vim freezes.
Solution:   When the number of states reaches a limit fall back to the old
            engine. (Christian Brabandt)
 2014-11-05 14:27:36 +01:00
Bram Moolenaar
2af78a1408 updated for version 7.4.262 
Problem:    Duplicate code in regexec().
Solution:   Add line_lbr flag to regexec_nl().
 2014-04-23 19:06:37 +02:00
Bram Moolenaar
16619a235b updated for version 7.3.1165 
Problem:    HP-UX compiler can't handle zero size array. (Charles Cooper)
Solution:   Make the array one item big.
 2013-06-11 18:42:36 +02:00
Bram Moolenaar
473de61b04 updated for version 7.3.1149 
Problem:    New regexp engine: Matching plain text could be faster.
Solution:   Detect a plain text match and handle it specifically.  Add
            vim_regfree().
 2013-06-08 18:19:48 +02:00
Bram Moolenaar
decd9540fd updated for version 7.3.1139 
Problem:    New regexp engine: negated flag is hardly used.
Solution:   Add separate _NEG states, remove negated flag.
 2013-06-07 16:31:50 +02:00
Bram Moolenaar
d89616ebb8 updated for version 7.3.1133 
Problem:    New regexp engine is a bit slow.
Solution:   Skip ahead to a character that must match.  Don't try matching a
            "^" patter past the start of line.
 2013-06-06 18:46:06 +02:00
Bram Moolenaar
dd2ccdf6ea updated for version 7.3.1106 
Problem:    New regexp engine: saving and restoring lastlist in the states
            takes a lot of time.
Solution:   Use a second lastlist value for the first recursive call.
 2013-06-03 12:17:04 +02:00
Bram Moolenaar
69afb7bf0a updated for version 7.3.1092 
Problem:    Can't build with regexp debugging.  NFA debug output shows wrong
            pattern.
Solution:   Fix debugging code for recent changes.  Add the pattern to the
            program.
 2013-06-02 15:55:55 +02:00
Bram Moolenaar
efb23f26e8 updated for version 7.3.1090 
Problem:    New regexp engine does not support \z1 .. \z9 and \z(.
Solution:   Implement the syntax submatches.
 2013-06-01 23:02:54 +02:00
Bram Moolenaar
428e987b61 updated for version 7.3.1071 
Problem:    New regexp engine: backreferences don't work correctly.
Solution:   Add every possible start/end position on the state stack.
 2013-05-30 17:05:39 +02:00
Bram Moolenaar
423532e10d updated for version 7.3.1039 
Problem:    New regexp engine does not support \%23c, \%<23c and the like.
Solution:   Implement them. (partly by Yasuhiro Matsumoto)
 2013-05-29 21:14:42 +02:00
Bram Moolenaar
5714b80032 updated for version 7.3.1033 
Problem:    "\1" .. "\9" are not supported in the new regexp engine.
Solution:   Implement them.  Add a few more tests.
 2013-05-28 22:03:20 +02:00
Bram Moolenaar
963fee2d69 updated for version 7.3.1028 
Problem:    New regexp performance: Copying a lot of position state.
Solution:   Only copy the sub-expressions that are being used.
 2013-05-26 21:47:28 +02:00
Bram Moolenaar
57a285b105 updated for version 7.3.1024 
Problem:    New regexp: End of matching pattern not set correctly. (Cesar
            Romani)
Solution:   Quit the loop after finding the match.  Store nfa_has_zend in the
            program.
 2013-05-26 16:57:28 +02:00
Bram Moolenaar
4b41706477 updated for version 7.3.1017 
Problem:    Zero width match changes length of match.
Solution:   For a zero width match put new states in the current position in
            the state list.
 2013-05-25 20:19:50 +02:00
Bram Moolenaar
f47ca63dbc updated for version 7.3.1016 
Problem:    Unused field in nfa_state.
Solution:   Remove lastthread.
 2013-05-25 15:31:05 +02:00
Bram Moolenaar
fbc0d2ea1e updated for version 7.3.970 
Problem:    Syntax highlighting can be slow.
Solution:   Include the NFA regexp engine.  Add the 'regexpengine' option to
            select which one is used. (various authors, including Ken Takata,
            Andrei Aiordachioaie, Russ Cox, Xiaozhou Liua, Ian Young)
 2013-05-19 19:40:29 +02:00
Bram Moolenaar
bbebc85750 updated for version 7.0109 2005-07-18 21:47:53 +00:00
Bram Moolenaar
3b56eb3d31 updated for version 7.0107 2005-07-11 22:40:32 +00:00
Bram Moolenaar
071d4279d6 updated for version 7.0001 2004-06-13 20:20:40 +00:00