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929 Commits

Author SHA1 Message Date
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
Philip.Hazel 16c046ce50 Implement support for invalid UTF in the pcre2_match() interpreter. 2019-05-24 17:15:48 +00:00
Zoltán Herczeg 2ad4329f83 Rework word boundary in JIT. 2019-05-23 07:46:10 +00:00
Philip.Hazel 342c16ecd3 Forgot this file in previous commit. Fixes JIT non-UTF bug. 2019-05-13 16:38:18 +00:00
Zoltán Herczeg 274efb8ded Improved the invalid utf32 support of the JIT compiler. 2019-05-10 13:15:20 +00:00
Philip.Hazel 16de9003e5 Implement a check on the number of capturing parentheses, which for some reason 
has never existed. This fixes ClusterFuzz issue 14376.
 2019-04-22 12:39:38 +00:00
Philip.Hazel 4e4f273f07 Final file tidies for 10.33. 2019-04-16 15:34:27 +00:00
Philip.Hazel 4acee004ec Casts and rewrites to avoid clang sanitize warnings. 2019-04-16 14:49:07 +00:00
Zoltán Herczeg e17e54711b Negate signed shift warnings. 2019-04-16 08:57:10 +00:00
Philip.Hazel 95c9d011e3 Change a number of expressions like 1<<10 to 1u<<10. 2019-04-12 14:40:27 +00:00
Zoltán Herczeg 590bc16842 Disable SSE2 JIT optimizations in x86 CPUs when SSE2 is not available. 2019-03-25 14:10:24 +00:00
Philip.Hazel e85de98d0a Fix crash in pcre2_substitute() with NULL match context. 2019-03-11 17:29:08 +00:00
Philip.Hazel 7375089fa5 More file tidies for 10.33-RC1 2019-03-04 18:07:04 +00:00
Zoltán Herczeg 4bb683e3ea JIT compiler update. 2019-02-14 07:49:03 +00:00
Zoltán Herczeg 1b95f98f95 Compile invalid UTF check in JIT test when only pcre32 is enabled. 2019-02-14 07:33:57 +00:00
Philip.Hazel 255f5e741b Compile \p{Any} the same as . in DOTALL mode, to benefit from auto-anchoring. 2019-02-13 17:30:24 +00:00
Philip.Hazel f2e1cea288 Fix overflow bug in new /u code. Fixes ClusterFuzz 13073. 2019-02-13 16:48:30 +00:00
Philip.Hazel 8c8deae8eb Implement PCRE2_EXTRA_ALT_BSUX to support ECMAscript 6's \u{hhh..} syntax. 2019-02-12 17:50:19 +00:00
Philip.Hazel d90de8b053 Previout bug-fix was bad. This properly fixes an overrun while reading a 
Unicode group name.
 2019-02-07 17:59:37 +00:00
Philip.Hazel 45959f1eec Fix small bug in new Unicode group name logic. 2019-02-07 17:29:50 +00:00
Philip.Hazel 4d17f4b856 JIT tests for script runs must only run when Unicode is supported. 2019-02-06 19:02:23 +00:00
Philip.Hazel d7b10a57d1 Allow non-ASCII in group names when UTF is set; revise group naming terminology 
in documentation to use "capture group", as Perl does.
 2019-02-06 18:11:36 +00:00
Philip.Hazel a657d4cff8 Fix warning when compiled without Unicode support. 2019-02-03 14:49:39 +00:00
Philip.Hazel ae913fbee7 Update POSIX wrapper to use macros in the .h file, but also have the POSIX 
function names in the library.
 2019-01-30 16:11:16 +00:00
Philip.Hazel 51fb3956ee Update copyright date 2019-01-30 16:10:38 +00:00
Philip.Hazel 86349f8814 Fix bug in VERSION conditional test in DFA matching. 2019-01-29 14:34:59 +00:00
Zoltán Herczeg f33fc9b85c JIT compiler update. 2019-01-22 08:51:48 +00:00
Zoltán Herczeg 9b1c7e4d4a Add preliminary script run support to JIT. 2019-01-18 14:14:19 +00:00
Zoltán Herczeg d38c7f7e8d Fix word boundary in JIT compiler. Patch by Mike Munday. 2019-01-17 11:47:59 +00:00
Philip.Hazel 7de013bac3 Fix issues with BAD_ESCAPE_IS_LITERAL in character classes. 2019-01-04 16:41:32 +00:00
Zoltán Herczeg 8f165d376e JIT compiler update. 2019-01-03 09:34:42 +00:00
Philip.Hazel 9938684b7b Cast to get rid of compiler warning. 2018-12-14 16:02:29 +00:00
Zoltán Herczeg 5ca7ac2e8e Use TARGET_OS_MAC macro in the executable allocator. 2018-12-14 08:00:49 +00:00
Zoltán Herczeg 5bec7dd3b0 Fix MAP_JIT issues on Mac. Patch by Carlo Arenas. 2018-12-13 13:23:59 +00:00
Philip.Hazel 0b64d9cfca Fix non-recognition of anchoring when preceded by (*MARK) etc. 2018-11-27 16:00:58 +00:00
Philip.Hazel 9e4e6feee7 Update explanatory comment. 2018-11-27 10:42:59 +00:00
Zoltán Herczeg 57f1eca640 Improve MAP_JIT flag usage on MacOS. Patch by Rich Siegel. 2018-11-25 17:11:52 +00:00