Commit Graph

282 Commits

Author SHA1 Message Date
Philip.Hazel cd45050ee4 Final file tidies for 10.37-RC1 2021-04-28 16:44:51 +00:00
Philip.Hazel 8144ae04e9 Fix some numerical checking bugs, Bugzilla 2690. 2021-02-01 17:56:12 +00:00
Philip.Hazel 0ad89ab06d Fix read overflow for invalid VERSION test with one fractional digit at the end
of a pattern. Fixes ClusterFuzz 23779.
2020-06-29 15:35:49 +00:00
Philip.Hazel 3faff02596 Add cast to prevent a compiler warning. 2020-06-05 16:11:01 +00:00
Philip.Hazel 8057c3c8b9 Renamed dftables as pcre2_dftables and enable it to write the tables in binary.
Update documentation about character tables.
2020-03-20 18:09:59 +00:00
Philip.Hazel 3155a6951f Fix bugs in new UCP casing code for back references and characters with more
than 2 cases.
2020-02-26 16:53:39 +00:00
Philip.Hazel 3be538015b Fix bad lookbehind compilation when preceded by a DEFINE group. 2020-02-24 17:29:00 +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
Philip.Hazel 3a6b4948d1 Fix bug in processing (?(DEFINE)...) within lookbehind assertions. 2020-01-26 15:31:27 +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 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
Philip.Hazel add4db4c87 Final file tidies for 10.34 2019-11-21 16:31:08 +00:00
Philip.Hazel 3c869816ac Fix sometimes failing caseless non-ASCII matching in assertion. 2019-11-16 17:30:07 +00:00
Philip.Hazel ae9208ab7b Source tidies (trailing spaces) etc. for 10.34-RC1. 2019-10-17 16:39:38 +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
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 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
Philip.Hazel 24c62fc0d0 (*ACCEPT) at start of branch was not recording "may match empty string". 2019-07-23 16:58:57 +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
Philip.Hazel 0d0ee67eb0 Check start code unit bit map for setting minimum length. 2019-07-16 16:16:45 +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 620f3a1307 Implement non-atomic positive assertions. 2019-07-13 11:12:03 +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 4866bd3652 Fix bugs in recent patch for setting the maximum lookbehind. 2019-06-28 16:58:08 +00:00
Philip.Hazel d21f7daf9b Improve maximum lookbehind calculation for nested lookbehinds. 2019-06-25 15:40:42 +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
Philip.Hazel 300bf6e2d6 Another fix to the recent (*ACCEPT) patch. Fixes clusterfuzz 15242. 2019-06-14 15:44:57 +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
Philip.Hazel 16c046ce50 Implement support for invalid UTF in the pcre2_match() interpreter. 2019-05-24 17:15:48 +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
Philip.Hazel 95c9d011e3 Change a number of expressions like 1<<10 to 1u<<10. 2019-04-12 14:40:27 +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 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 7de013bac3 Fix issues with BAD_ESCAPE_IS_LITERAL in character classes. 2019-01-04 16:41:32 +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 9a9fdf3037 Fix teeny typo. 2018-10-28 17:24:24 +00:00
Philip.Hazel c796bb85a1 Fix typos and obsolescences in comments. 2018-10-21 15:06:43 +00:00
Philip.Hazel 996892434f Fix zero-repeated subroutine call at start of pattern bug, which recorded an
incorrect first code unit.
2018-10-20 09:28:02 +00:00