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122 Коммитов

Автор SHA1 Сообщение Дата
Peter Zhu 7193b404a1 Add function rb_reg_onig_match 
rb_reg_onig_match performs preparation, error handling, and cleanup for
matching a regex against a string. This reduces repetitive code and
removes the need for StringScanner to access internal data of regex.
 2023-07-27 13:33:40 -04:00
Peter Zhu 58386814a7 Don't check for null pointer in calls to free 
According to the C99 specification section 7.20.3.2 paragraph 2:

> If ptr is a null pointer, no action occurs.

So we do not need to check that the pointer is a null pointer.
 2023-06-30 09:13:31 -04:00
TSUYUSATO Kitsune a5819b5b25
Allow the match cache optimization for atomic groups (#7804) 2023-05-22 11:27:34 +09:00
TSUYUSATO Kitsune 93dd13d97a
Remove warnings and errors in `regexec.c` with `ONIG_DEBUG_...` macros (#7803) 2023-05-13 10:04:28 +09:00
TSUYUSATO Kitsune ac730d3e75
Delay start of the match cache optimization (#7738) 2023-05-04 13:15:51 +09:00
TSUYUSATO Kitsune a1c2c274ee
Refactor `Regexp#match` cache implementation (#7724) 
* Refactor Regexp#match cache implementation

Improved variable and function names
Fixed [Bug 19537] (Maybe fixed in https://github.com/ruby/ruby/pull/7694)

* Add a comment of the glossary for "match cache"

* Skip to reset match cache when no cache point on null check
 2023-04-19 13:08:28 +09:00
Nobuyoshi Nakada fac814c2dc
Fix `PLATFORM_GET_INC` 
On platforms where unaligned word access is not allowed, and if
`sizeof(val)` and `sizeof(type)` differ:

- `val` > `type`, `val` will be a garbage.
- `val` < `type`, outside `val` will be clobbered.
 2023-04-16 17:45:27 +09:00
Nobuyoshi Nakada 0ac3f2c20e [Bug #19587] Fix `reset_match_cache` arguments 2023-04-12 18:35:32 +09:00
Nobuyoshi Nakada 1b697d7cb5 Constify 2023-04-12 18:35:32 +09:00
Nobuyoshi Nakada 2e1a95b569 Extract `bsearch_cache_index` function 2023-04-12 18:35:32 +09:00
TSUYUSATO Kitsune dddc542e9b
[Bug #19476]: correct cache index computation for repetition (#7457) 2023-03-13 18:31:13 +09:00
TSUYUSATO Kitsune e22c4e8877
[Bug #19467] correct cache points and counting failure on `OP_ANYCHAR_STAR_PEEK_NEXT` (#7454) 2023-03-13 15:46:41 +09:00
TSUYUSATO Kitsune b726d60c98
Fix [Bug 19273], set correct value to `outer_repeat` on `OP_REPEAT` (#7035) 2022-12-28 20:03:25 +09:00
Nobuyoshi Nakada 43f4093a31
Adjust style [ci skip] 2022-12-22 15:12:05 +09:00
TSUYUSATO Kitsune fbedadb61f
Add `Regexp.linear_time?` (#6901) 2022-12-14 12:57:14 +09:00
Yusuke Endoh b8e542b463 Make absent operator work at the end of the input string 
https://bugs.ruby-lang.org/issues/19104#change-100542
 2022-12-12 14:26:38 +09:00
TSUYUSATO Kitsune 189e3c0ada Add default cases for cache point finding function 2022-11-17 23:19:17 +09:00
TSUYUSATO Kitsune 90bfac296e Add OP_CCLASS_MB case 2022-11-17 23:19:17 +09:00
TSUYUSATO Kitsune 1dc4128e92 Reduce warnings 2022-11-09 23:21:26 +09:00
TSUYUSATO Kitsune 36ff0521c1 Use long instead of int 2022-11-09 23:21:26 +09:00
Yusuke Endoh d868f4ca31 Check for integer overflow in the allocation of match_cache table 2022-11-09 23:21:26 +09:00
Yusuke Endoh 14845ab4ff Ensure that the table size for CACHE_MATCH fits with int 
Currently, the keys for CACHE_MATCH are handled as an `int` type. So we
should make sure the table size are smaller than the range of `int`.
 2022-11-09 23:21:26 +09:00
Yusuke Endoh 537286d0bb Prevent GCC warnings 
```
regexec.c: In function ‘reset_match_cache’:
regexec.c:1259:56: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses]
 1259 |     match_cache[k1 >> 3] &= ((1 << (8 - (k2 & 7) - 1)) - 1 << ((k2 & 7) + 1)) | ((1 << (k1 & 7)) - 1);
      |                              ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
regexec.c:1269:60: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses]
 1269 |         match_cache[k2 >> 3] &= ((1 << (8 - (k2 & 7) - 1)) - 1 << ((k2 & 7) + 1));
      |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
regexec.c: In function ‘find_cache_index_table’:
regexec.c:1192:11: warning: ‘m’ may be used uninitialized [-Wmaybe-uninitialized]
 1192 |   if (!(0 <= m && m < num_cache_table && table[m].addr == p)) {
      |         ~~^~~~
regexec.c: In function ‘match_at’:
regexec.c:1238:12: warning: ‘m1’ is used uninitialized [-Wuninitialized]
 1238 |   if (table[m1].addr < pbegin && m1 + 1 < num_cache_table) m1++;
      |            ^
regexec.c:1218:39: note: ‘m1’ was declared here
 1218 |   int l = 0, r = num_cache_table - 1, m1, m2;
      |                                       ^~
regexec.c:1239:12: warning: ‘m2’ is used uninitialized [-Wuninitialized]
 1239 |   if (table[m2].addr > pend && m2 - 1 > 0) m2--;
      |            ^
regexec.c:1218:43: note: ‘m2’ was declared here
 1218 |   int l = 0, r = num_cache_table - 1, m1, m2;
      |                                           ^~
```
 2022-11-09 23:21:26 +09:00
Yusuke Endoh ff5dba8319 Return ONIGERR_MEMORY if it fails to allocate memory for cache_match_opt 2022-11-09 23:21:26 +09:00
TSUYUSATO Kitsune a1c1fc558a Revert "Refactor field names" 
This reverts commit 1e6673d6bbd2adbf555d82c7c0906ceb148ed6ee.
 2022-11-09 23:21:26 +09:00
TSUYUSATO Kitsune 22294731a8 Refactor field names 2022-11-09 23:21:26 +09:00
TSUYUSATO Kitsune ff2998a86c Remove debug printf 2022-11-09 23:21:26 +09:00
TSUYUSATO Kitsune 37613fea16 Clear cache on OP_NULL_CHECK_END_MEMST 2022-11-09 23:21:26 +09:00
TSUYUSATO Kitsune f25bb291b4 Support OP_REPEAT and OP_REPEAT_INC 2022-11-09 23:21:26 +09:00
TSUYUSATO Kitsune ea3d9893bf Reduce warnings 2022-11-09 23:21:26 +09:00
TSUYUSATO Kitsune 3c79731981 Fix to compile when USE_CACHE_MATCH_OPT is disabled 2022-11-09 23:21:26 +09:00
TSUYUSATO Kitsune 1134fa40ee Enable optimization for PUSH_IF/OR opcodes 2022-11-09 23:21:26 +09:00
TSUYUSATO Kitsune 70f8e9efda Enable optimization for ANYCHAR_STAR opcodes 2022-11-09 23:21:26 +09:00
TSUYUSATO Kitsune cbabba9c82 Add index to the latest NULL_CHECK_STACK for fast matching 2022-11-09 23:21:26 +09:00
TSUYUSATO Kitsune aefb7e5fa5 Add static declaration to new functions 2022-11-09 23:21:26 +09:00
TSUYUSATO Kitsune d84edce689 Increment num_fail on OP_POP too 2022-11-09 23:21:26 +09:00
TSUYUSATO Kitsune 8c9e4d37a3 Fix look-around like operators and cclass 2022-11-09 23:21:26 +09:00
TSUYUSATO Kitsune f07dea16e3 Keep cache optimization info to MatchArg for global matching 2022-11-09 23:21:26 +09:00
TSUYUSATO Kitsune 881bf9a0b8 Implement cache optimization for regexp matching 2022-11-09 23:21:26 +09:00
Yusuke Endoh ffc3b37f96 re.c: Add Regexp.timeout= and Regexp.timeout 
[Feature #17837]
 2022-03-30 16:50:46 +09:00
Jeremy Evans 6d3f447aec Fix multiplex backreferencs near end of string in regexp match 
Idea from Jirka Marsik.

Fixes [Bug #18631]
 2022-03-29 15:29:15 -07:00
Yusuke Endoh 9112cf4ae7 regint.h: Reduce the frequency of rb_thread_check_ints 
edc8576a65 checks interrupt at every
backtrack, which brought significant overhead.

This change makes the check only once every 128 backtracks.
 2022-03-24 09:47:22 +09:00
Jeremy Evans edc8576a65 Allow interrupting regexps that backtrack 
Fixes [Bug #14103]

Co-authored-by: Nobuyoshi Nakada <nobu@ruby-lang.org>
 2022-03-10 11:06:33 -08:00
Nobuyoshi Nakada 40612d55c6
Fixed shorten-64-to-32 errors when USE_COMBINATION_EXPLOSION_CHECK 2021-05-07 20:15:05 +09:00
Lourens Naudé 31cf13060c Only define history_root member of the Oniguruma re_registers struct if USE_CAPTURE_HISTORY is enabled 2019-04-24 00:40:17 +09:00
shyouhei 1f76918a33 label as lvalue is a GCCism 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61558 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2018-01-02 06:41:54 +00:00
naruse 51716c331f re-apply r60755 
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60969 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2017-12-01 14:32:12 +00:00
naruse 31796f17d3 Update to Onigmo 6.1.3-669ac9997619954c298da971fcfacccf36909d05. 
[Bug #13892]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60966 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2017-12-01 13:50:13 +00:00
nobu 24d38cc447 regexec.c: invalidate previously matched position 
* regexec.c (match_at): invalidate end position not yet matched
  when new start position is pushed, to dispose previously stored
  position.  [ruby-core:83743] [Bug #14101]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60755 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2017-11-13 05:50:54 +00:00
naruse 6b1c6e0e55 Merge Onigmo 6.1.1 
* Support absent operator https://github.com/k-takata/Onigmo/issues/82
* https://github.com/k-takata/Onigmo/blob/Onigmo-6.1.1/HISTORY

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57603 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
 2017-02-11 15:08:33 +00:00