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965 Commits

Author SHA1 Message Date
Philip.Hazel f50ee03f5d Fix bug in UTF-16 checker returning wrong offset for missing low surrogate. 2020-02-24 15:39:56 +00:00
Zoltán Herczeg a3057bbecd Implement simd support for requested character in JIT. 2020-02-24 05:26:15 +00:00
Philip.Hazel 4a7dfab0ec Unicode upper/lower casing is now used when UCP is set, even if UTF is not set. 
This is not yet documented, and it not yet implemented in JIT.
 2020-02-23 16:40:05 +00:00
Zoltán Herczeg d0666136c9 JIT compiler update. 2020-02-21 07:44:04 +00:00
Zoltán Herczeg c39fb3a9e1 Remove hackings in JIT. 2020-02-20 08:57:39 +00:00
Zoltán Herczeg c21bd97754 Fix a crash which occurs when the character type of an invalid UTF character is decoded in JIT. 2020-02-20 07:42:47 +00:00
Philip.Hazel a57787b7cd Fix problems with new PCRE2_SUBSTITUTE_MATCHED code. 2020-02-16 17:46:40 +00:00
Zoltán Herczeg 697cf5f602 Fix control verb chain restoration issue in JIT. 2020-02-10 10:18:01 +00:00
Zoltán Herczeg d71dc302a5 Fix compiler warning on ARM64 with JIT. 2020-01-31 10:09:38 +00:00
Zoltán Herczeg ed8a3146b9 JIT compiler update. 2020-01-28 14:13:06 +00:00
Philip.Hazel b040e2e1cd Limit function recursion in pcre2_study to avoid stack overflow issues. 2020-01-27 10:28:19 +00:00
Philip.Hazel 3a6b4948d1 Fix bug in processing (?(DEFINE)...) within lookbehind assertions. 2020-01-26 15:31:27 +00:00
Philip.Hazel 9e960f5465 Ensure a newline after the final line in a file is output by pcre2grep. 2020-01-25 15:50:44 +00:00
Philip.Hazel 9e8c98587f Avoid compiler "fall through" warning. 2020-01-24 15:17:15 +00:00
Zoltán Herczeg 0a6ca6d420 Support napla and naplb in JIT when no control verbs are in the assertion. 2020-01-24 12:40:07 +00:00
Zoltán Herczeg 09984bb0e4 The JIT stack should be freed when the low-level stack allocation fails. 2020-01-24 08:28:23 +00:00
Philip.Hazel e8d70e2459 Implement PCRE2_SUBSTITUTE_REPLACEMENT_ONLY. 2020-01-22 17:50:12 +00:00
Zoltán Herczeg bf4cd8212f Fix *THEN verbs in lookahead assertions in JIT. 2020-01-11 15:28:15 +00:00
Philip.Hazel 5ba5230b82 Allow real repetition of assertions. 2020-01-01 12:07:02 +00:00
Philip.Hazel ac4ab7186d Add (?* and (?<* synonyms for non-atomic lookarounds. 2019-12-28 13:53:59 +00:00
Philip.Hazel d170829b26 Implement PCRE2_SUBSTITUTE_MATCHED. 2019-12-27 13:35:17 +00:00
Philip.Hazel 777582d4de Avoid some VS compiler warnings. 2019-12-26 15:10:26 +00:00
Philip.Hazel f3fd8b18cb Implement PCRE2_SUBSTITUTE_LITERAL. 2019-12-26 14:53:24 +00:00
Philip.Hazel 0a2033f0f7 Remove atomic restriction on capture groups containing recursive back 
references, as since 10.30 it has been unnecessary.
 2019-12-18 16:16:12 +00:00
Zoltán Herczeg 880aac5dda Fix the too early access of the fields of a compiled pattern in JIT. 2019-12-07 16:00:53 +00:00
Zoltán Herczeg 2632526c67 Fix ARMv5 JIT improper handling of labels right after a constant pool. 2019-11-29 11:03:10 +00:00
Zoltán Herczeg f5286d8f56 Use PCRE2_MATCH_EMPTY flag to detect empty matches in JIT. 2019-11-28 11:35:08 +00:00
Philip.Hazel add4db4c87 Final file tidies for 10.34 2019-11-21 16:31:08 +00:00
Zoltán Herczeg af45f41fbb Fixed the incorrect computation of jump sizes on x86 CPUs in JIT. 2019-11-19 12:25:32 +00:00
Philip.Hazel 26fc863155 Update comment about %lu warnings. 2019-11-17 17:38:53 +00:00
Philip.Hazel 3c869816ac Fix sometimes failing caseless non-ASCII matching in assertion. 2019-11-16 17:30:07 +00:00
Zoltán Herczeg 6f41a5a01a ARM64 first character fixes by Sebastian Pop. 2019-11-12 13:10:44 +00:00
Philip.Hazel 8855b0efe1 File tidies for 10.34-RC2. 2019-11-06 16:51:31 +00:00
Zoltán Herczeg 1838261037 JIT ARM64 fixes by Sebastian Pop. 2019-11-06 14:00:21 +00:00
Philip.Hazel ae9208ab7b Source tidies (trailing spaces) etc. for 10.34-RC1. 2019-10-17 16:39:38 +00:00
Philip.Hazel 7ecc9cdfaf Fix error offset bug introduced at 1176. 2019-10-16 17:12:13 +00:00
Zoltán Herczeg f768448fd3 JIT compiler update and disable wrong assert. 2019-10-16 12:50:55 +00:00
Philip.Hazel 2a0faa2114 Ensure regexec is thread safe to avoid sanitizer warnings. 2019-10-15 10:46:36 +00:00
Zoltán Herczeg 97acc05f0c Fix use after free and compilation error in JIT. 2019-10-06 03:36:20 +00:00
Zoltán Herczeg 70b0debf10 Better description for jit-sealloc option and early check for executable memory. 2019-10-01 13:46:41 +00:00
Zoltán Herczeg e69a614430 Support NEON based fast forward character search in ARM64. Patch by Sebastian Pop. 2019-09-17 06:59:45 +00:00
Philip.Hazel e413f3147c Optimize certain starting code unit bit maps into a single starting code unit. 2019-09-13 17:02:06 +00:00
Philip.Hazel d917899be5 Improve starting-byte bit map for UTF-8 patterns with wide characters in 
classes.
 2019-09-10 15:38:42 +00:00
Philip.Hazel 78fae97f6c Mend bug introduced in previous patch. Fixes crash detected by ClusterFuzz 
17101.
 2019-09-10 13:22:08 +00:00
Philip.Hazel bf15267c30 Optimize classes such as [Aa] to be a single caseless character. 2019-09-09 17:00:19 +00:00
Zoltán Herczeg aae44b83f8 Add underflow check in JIT. 2019-09-09 07:12:00 +00:00
Philip.Hazel 27d40c8ad8 When computing minimum length, don't scan subsequent branches if any branch in 
a group has zero minimum length.
 2019-09-07 15:16:10 +00:00
Philip.Hazel 7bbdc58513 Fix pessimizing optimization of start-of-match code units in the interpreters. 2019-09-06 16:08:45 +00:00
Philip.Hazel 963b570fd0 Back off failed attempt to handle nested lookbehinds for estimating how much of 
a partial match to retain for multi-segment matching. Document the current 
difficulty if the whole first segment cannot be retained.
 2019-09-04 18:14:54 +00:00
Philip.Hazel 87bc092222 Cut out maketables_free when included in freestanding program. 2019-09-04 07:23:01 +00:00
Philip.Hazel 0970ae4195 Add the pcre2_maketables_free() function. 2019-09-03 14:16:07 +00:00
Philip.Hazel 45b219e6bc Fix bug introduced in commit 1133. Lookbehinds that follow a condition were not 
always properly handled.
 2019-08-26 16:28:26 +00:00
Zoltán Herczeg 60df4c65d5 Move JIT simd into a separate header file. 2019-08-26 12:02:03 +00:00
Philip.Hazel 71eb916d79 Fix allusedtext bug, rightmost consulted character incorrect in negative 
lookaheads.
 2019-08-10 11:34:50 +00:00
Philip.Hazel 59c7c5d100 Fix incorrect computation of group length when one branch exceeded 65535. 2019-08-03 08:30:40 +00:00
Philip.Hazel 81ad92820a Comments updates. 2019-08-01 16:59:50 +00:00
Philip.Hazel ec6191cd7f Documentation update and ensure current pcre2.h.generic. 2019-08-01 16:49:09 +00:00
Philip.Hazel c0ed5a3ab3 Minor upgrade to pcre2test and comment in ucptest. 2019-07-30 17:59:42 +00:00
Philip.Hazel 7292c751a3 Remove incorrect comment. 2019-07-29 16:03:25 +00:00
Philip.Hazel aff5a78056 Upgrade to Unicode 12.1.0 2019-07-29 15:32:36 +00:00
Philip.Hazel 9319b5bb83 Correct tables argument data type for pcre2_set_character_tables() and fix 
documentation for pcre2_maketables().
 2019-07-28 15:58:24 +00:00
Philip.Hazel 24c62fc0d0 (*ACCEPT) at start of branch was not recording "may match empty string". 2019-07-23 16:58:57 +00:00
Zoltán Herczeg 82a4729e13 Follow the partial matching changes in JIT. 2019-07-23 12:34:58 +00:00
Philip.Hazel 3572634086 More partial match tweaks. 2019-07-22 16:30:44 +00:00
Philip.Hazel c84a06c96e Update definition of partial match and fix \z and \Z (as documented). 2019-07-21 16:48:13 +00:00
Philip.Hazel 344056baf8 Update pcre2demo with match_data block size information. 2019-07-19 15:31:54 +00:00
Philip.Hazel c30815f5a1 Fix bug in recent patch for lookbehinds within lookaheads. Fixes ClusterFuzz 
15933.
 2019-07-18 17:20:29 +00:00
Zoltán Herczeg f5b35e7943 Rework alternative matching in JIT. 2019-07-18 06:11:04 +00:00
Zoltán Herczeg c11b23e8cc JIT compiler update. 2019-07-17 07:05:48 +00:00
Philip.Hazel 0d0ee67eb0 Check start code unit bit map for setting minimum length. 2019-07-16 16:16:45 +00:00
Philip.Hazel bca9888a2c Implemented pcre2_get_match_data_size(). 2019-07-16 15:50:09 +00:00
Philip.Hazel 046c5cd21c Fix lookbehind within lookahead within lookbehind misbehaviour bug. 2019-07-16 15:06:21 +00:00
Philip.Hazel 66811c6c73 Fix oversights in recent non-atomic assertions patch. Fixes ClusterFuzz 15837. 2019-07-15 16:04:13 +00:00
Philip.Hazel 4677b1b0bb Tidy partial matching code; prepare for possible future change. 2019-07-14 16:44:46 +00:00
Philip.Hazel 620f3a1307 Implement non-atomic positive assertions. 2019-07-13 11:12:03 +00:00
Zoltán Herczeg 691aca7a86 Improve non-virtual register usage in JIT. 2019-07-10 14:57:43 +00:00
Philip.Hazel 2e06fdcdc1 Check for integer overflow when computing lookbehind lengths. Fixes Clusterfuzz 
issue 13656.
 2019-07-04 17:01:53 +00:00
Philip.Hazel a5c601091e Give error for zero timing argument to pcre2test. 2019-07-03 17:15:37 +00:00
Philip.Hazel 4866bd3652 Fix bugs in recent patch for setting the maximum lookbehind. 2019-06-28 16:58:08 +00:00
Philip.Hazel c0d0ee5365 Fix partial matching bug in pcre2_dfa_match(). 2019-06-26 16:13:28 +00:00
Philip.Hazel 434e3f7468 Make pcre2test show actual pre-match consulted characters for a partial match, 
not the length of the longest lookbehind. Control this by "allusedtext".
 2019-06-26 08:23:47 +00:00
Philip.Hazel d21f7daf9b Improve maximum lookbehind calculation for nested lookbehinds. 2019-06-25 15:40:42 +00:00
Zoltán Herczeg 7f24a98cfb Mixing SSE2 instructions in JIT. 2019-06-25 09:29:37 +00:00
Zoltán Herczeg 7768756737 Improve SSE2 optimiztions in JIT. 2019-06-25 06:11:14 +00:00
Philip.Hazel 9c53b6b11a Minor code and comment tidies. 2019-06-19 16:39:18 +00:00
Philip.Hazel da5155fed3 Don't ignore {1}+ when it is applied to a parenthesized item. 2019-06-19 16:27:50 +00:00
Philip.Hazel ef79b978a6 Fix minimum length bug for patterns containing (*ACCEPT). 2019-06-18 16:07:43 +00:00
Zoltán Herczeg 3b2fa4dff2 Improve first character search in JIT (BSF instruction is slow). 2019-06-18 08:29:43 +00:00
Philip.Hazel 1ebc2c50cc Another extension to minimum length calculation. 2019-06-17 16:26:44 +00:00
Philip.Hazel ead78198d1 Improve minimum length finder in the presence of back references when there are 
multiple groups with the same number.
 2019-06-16 15:37:45 +00:00
Philip.Hazel 0d1ab8515f Fix pcre2grep -o bug when ovector overflows; add option to adjust the limit; 
raise the default limit; give error if -o requests an uncaptured parens.
 2019-06-15 15:51:07 +00:00
Philip.Hazel 300bf6e2d6 Another fix to the recent (*ACCEPT) patch. Fixes clusterfuzz 15242. 2019-06-14 15:44:57 +00:00
Philip.Hazel 49f174ef78 Make pcre2_match() return (*MARK) names from successful conditional assertions, 
as Perl and the JIT do.
 2019-06-13 16:49:40 +00:00
Philip.Hazel 1f6b9097f4 Minor improvement to minimum length calculation. 2019-06-13 16:00:11 +00:00
Philip.Hazel f0c06ee212 Fix minor oversight in previous patch. Fixes clusterfuzz 15199. 2019-06-11 07:37:29 +00:00
Philip.Hazel 306f2b9c57 Allow (*ACCEPT) to be quantified. 2019-06-10 16:41:22 +00:00
Zoltán Herczeg cc51779d88 Improve single character iterators, add special path to dotall. 2019-06-07 13:48:59 +00:00
Philip.Hazel d5dc4e0c33 Tweak limits on "must have" code unit searches (improves some performance). 2019-05-28 16:34:28 +00:00
Philip.Hazel 4f31de2866 Add support for invalid UTF-8 matching to pcre2grep. 2019-05-28 14:14:22 +00:00
Philip.Hazel 5850cc5928 Fix previous patch for non-JIT compilation. 2019-05-25 16:31:38 +00:00