Commit Graph

253 Commits

Author SHA1 Message Date
Philip.Hazel b7d5cee61f Allow anchored patterns to use "first code unit" optimization. 2017-06-30 16:00:33 +00:00
Philip.Hazel a083420cac Implement PCRE2_EXTRA_MATCH_LINE and PCRE2_EXTRA_MATCH_WORD for the benefit
of pcre2grep.
2017-06-16 17:51:13 +00:00
Philip.Hazel c4fac10bad Implement PCRE2_LITERAL and REG_NOSPEC. 2017-06-15 16:41:44 +00:00
Philip.Hazel f850015168 Add suitable "fall through" comments for latest gcc warnings. 2017-06-03 17:50:03 +00:00
Philip.Hazel e3a0f22349 Implement PCRE2_EXTRA_BAD_ESCAPE_IS_LITERAL. 2017-06-01 18:10:15 +00:00
Philip.Hazel 3d80fa4fc2 Implement PCRE2_NEWLINE_NUL. 2017-05-26 17:14:36 +00:00
Philip.Hazel fef4de56a1 Fix potential NULL dereference in new code for surrogate escapes, discovered by
Coverity Scan.
2017-05-23 16:47:29 +00:00
Philip.Hazel dfc9712bcd Add additional compile options and PCRE2_EXTRA_ALLOW_SURROGATE_ESCAPES. 2017-05-17 17:55:11 +00:00
Philip.Hazel 369d82e03a Implement Perl's /n option, which is the same as PCRE2_NO_AUTO_CAPTURE. 2017-04-18 16:21:50 +00:00
Philip.Hazel 3dca43fdff Implement PCRE2_EXTENDED_MORE and friends. 2017-04-18 12:32:52 +00:00
Philip.Hazel 41d1c6d6ce Tidies and minor bug fix resulting from Coverity Scan issues. 2017-04-16 16:49:11 +00:00
Philip.Hazel 346447005a Remove redundant line of code (a typo really). 2017-04-14 11:42:02 +00:00
Philip.Hazel bd511d381f Fix valgrind warnings for unset padding at the end of the pcre2_real_code
structure.
2017-04-12 13:48:11 +00:00
Philip.Hazel 14989bd454 Add explicit heap limiting options to pcre2_match(), with associated features
for listing, configuring, etc.
2017-04-11 11:47:25 +00:00
Philip.Hazel 09f87cbfce Extend auto-anchoring to ignore "never-obeyed" groups at the start. 2017-04-07 08:46:29 +00:00
Philip.Hazel a3275d1e0f Implement PCRE2_ENDANCHORED. 2017-04-04 17:09:33 +00:00
Philip.Hazel d7da2dcb37 Fix crash for forward reference in lookbehind with PCRE2_ANCHORED. Fixes
oss-fuzz issue 865.
2017-03-16 17:17:47 +00:00
Philip.Hazel 88db1be123 Change "limit recursion" to "limit depth" in code and build systems because the
old name, which is retained as a synonym for the moment, is no longer 
appropriate.
2017-03-12 13:47:01 +00:00
Philip.Hazel 04da0725f3 Remove obsolete OP_ONCE_NC internal opcode. 2017-03-11 17:59:23 +00:00
Philip.Hazel 20804215a8 Code for new interpreter (build system and documentation still to be done). 2017-03-09 16:23:28 +00:00
Philip.Hazel bea3a10a93 Final file updates for 10.23. 2017-02-14 10:40:33 +00:00
Philip.Hazel 4311f49d0e Fix \g+ bug when the number that follows is too big. 2017-01-31 17:15:30 +00:00
Philip.Hazel ca1ecd41a1 File tidies for 10.23-RC1 2017-01-16 17:40:47 +00:00
Philip.Hazel 1226e2e0d0 Fix hyphen after \E after POSIX class causing an error. 2017-01-11 16:40:35 +00:00
Philip.Hazel 255bc030d9 Improve class handling for \H and \V by ignoring caseless. 2017-01-03 18:17:31 +00:00
Philip.Hazel 15c30bf55a Detect overlong patterns earlier. 2017-01-03 11:35:26 +00:00
Philip.Hazel f676362977 Fix issue with \Q\E after a callout before an assertion condition. 2016-12-28 12:26:12 +00:00
Philip.Hazel fdf7946ee0 Fail hyphen after POSIX character class. 2016-12-27 11:50:28 +00:00
Philip.Hazel 8933d999d8 Fix class bug when UCP but not UTF was set and all wide characters need to be
included.
2016-12-26 17:11:18 +00:00
Philip.Hazel a7a25ed91d Fix bug when a character > 0xffff appears in a lookbehind within a lookbehind. 2016-12-24 16:25:11 +00:00
Philip.Hazel 6c48775955 Fix mis-parsing of a conditional group with callout but a question mark where
the assertion should start.
2016-12-23 18:34:10 +00:00
Philip.Hazel d15aab4d17 More refactoring: keep track of empty branches during compiling, replacing a
post-compile scan.
2016-12-23 17:09:37 +00:00
Philip.Hazel 3df9674c4e Fix name table sort buffer overflow. 2016-12-21 17:09:11 +00:00
Philip.Hazel f77339a3ca Fix \Q\E quantification bug. 2016-12-11 16:42:29 +00:00
Philip.Hazel bcad1aa4f6 Fix NULL defer in extended substition for \p, \P, or \X. 2016-12-09 16:57:51 +00:00
Philip.Hazel 14f6b9fb03 Fix \Q...\E bug in (*VERB) name when PCRE2_ALT_VERBNAMES and PCRE2_AUTO_CALLOUT
were both specified.
2016-11-27 16:14:33 +00:00
Philip.Hazel 7390ce13f6 Quantifiers following (*VERB)s were not being diagnosed. 2016-11-25 10:37:23 +00:00
Philip.Hazel 4c69f50e69 Fix bad behaviour for subroutine call in lookbehind when the called subroutine
contained an option setting such as (?s) and PCRE2_ANCHORED was set.
2016-11-23 17:17:57 +00:00
Philip.Hazel 2aec84e37e Add pcre2_code_copy_with_tables(). 2016-11-22 15:37:02 +00:00
Philip.Hazel e0cccdd028 Fix overrun bug caused by conditional with assertion using too much memory. 2016-11-18 18:59:37 +00:00
Philip.Hazel 270eaa7615 Fix bad working space size calculation when PCRE2_AUTO_CALLOUT is set. 2016-11-04 16:35:47 +00:00
Philip.Hazel e533e0f774 Fix overrun for unterminated number after \g' 2016-11-04 11:05:21 +00:00
Philip.Hazel 6a15c1cbcc Fix callout string read overrun; do better with catching these when using
zero-terminated patterns under valgrind.
2016-11-01 17:45:54 +00:00
Philip.Hazel 4fd8feaa50 Fix auto-anchor bug when .* is inside an assertion. 2016-11-01 15:58:28 +00:00
Philip.Hazel 12a6d697fe Fix read beyond unterminated quantifier at end of pattern. 2016-11-01 12:12:45 +00:00
Philip.Hazel 0ea3274a53 Fix pattern overrun in utf extended mode for a # comment that hit the end. 2016-10-31 17:46:56 +00:00
Philip.Hazel 24ab24fde0 Fix bad memory calculation when the first branch of a lookbehind is of zero
length.
2016-10-28 16:09:08 +00:00
Philip.Hazel 8eae402315 Fix bad lookup in global table for wide characters in extended mode and in
*VERB names.
2016-10-27 17:42:14 +00:00
Philip.Hazel 56084cc922 Fix *MARK length check in UTF mode (it was checking characters, not code
units).
2016-10-26 16:59:22 +00:00
Philip.Hazel 2821076981 Diagnose an overall recursion (?0) inside a lookbehind as an error. 2016-10-23 17:05:09 +00:00
Philip.Hazel a22c5e4204 Fix optimization bugs when pattern starts with lookahead. 2016-10-18 11:22:40 +00:00
Philip.Hazel 99264dfc23 Major refactoring of pcre2_compile.c; see ChangeLog and HACKING. 2016-10-02 16:01:01 +00:00
Philip.Hazel dda1e79060 Fix bug that caused chars > 255 not to be matched by classes like [\W\pL] when
PCRE2_UCP was not set.
2016-08-03 17:22:59 +00:00
Philip.Hazel 921636f6fc Documentation detrail and make HTML for 10.22-RC1. 2016-06-29 16:52:05 +00:00
Philip.Hazel 149456dce0 Support \C in lookbehinds and DFA matching in UTF-32 mode. 2016-06-20 18:14:51 +00:00
Philip.Hazel 4db9b51ce0 Fix comment describing returns from find_fixedlength(). 2016-06-14 15:12:07 +00:00
Philip.Hazel bf1587490b Minor code refactor to avoid compiler warning. 2016-05-20 10:47:42 +00:00
Philip.Hazel 96926349bc Implemented pcre2_code_copy(). 2016-02-26 18:26:17 +00:00
Philip.Hazel c28ed7fd4a Fix some picky compiler warnings 2016-02-16 10:23:06 +00:00
Philip.Hazel 94e07de498 Detect missing closing parentheses during the pre-pass. 2016-02-13 15:30:29 +00:00
Philip.Hazel 6bb132265b Fix workspace overflow for deep nested parentheses with (*ACCEPT). 2016-02-10 18:24:02 +00:00
Philip.Hazel 9f75a0f92a Detect unmatched closing parentheses in the pre-scan to avoid giving incorrect
error messages.
2016-02-02 17:22:55 +00:00
Philip.Hazel bebd2d48bf Final file updates for 10.21 release. 2016-01-12 14:44:34 +00:00
Philip.Hazel 38caadff03 Fix typo introduced by ChangeLog 107. 2015-12-04 14:34:35 +00:00
Philip.Hazel a7c9027ae6 Fix \) in (*verb) "name" bug. 2015-12-03 18:36:36 +00:00
Philip.Hazel 1f9b2a2e4b Fix /x bug when pattern starts with whitespace followed by (?-x). 2015-12-03 16:58:31 +00:00
Philip.Hazel d71b70cdf7 Fix issues with NULL characters in patterns. 2015-12-02 17:39:26 +00:00
Philip.Hazel 7b1d9549c6 Fix extended *verb name ignored terminating whitespace bug. 2015-12-01 17:41:24 +00:00
Philip.Hazel 12fc152074 Fix empty \Q\E between an item and a qualifier in auto-callout mode. 2015-11-30 17:31:16 +00:00
Philip.Hazel de6603d294 Fix bad behaviour for isolated \E before qualifier with auto-callout. 2015-11-27 17:34:36 +00:00
Philip.Hazel 291ececa58 Fix negated POSIX class bug. 2015-11-27 17:03:58 +00:00
Philip.Hazel aec5c96cf5 Fix bad offset value in invalid UTF pattern error. 2015-11-27 15:58:44 +00:00
Philip.Hazel 2eb24e2dac Fix auto-callout with (?# comment bug. 2015-11-25 18:46:35 +00:00
Philip.Hazel 11e0001b14 Fix wide character problem with negated POSIX ascii and xdigit class items. 2015-11-20 16:55:36 +00:00
Philip.Hazel 6650a2fd9a Fix single-character POSIX class bug in UCP mode. 2015-11-17 17:13:43 +00:00
Philip.Hazel 5ced14bf24 Implement PCRE2_INFO_HASBACKSLASHC. 2015-11-14 17:28:19 +00:00
Philip.Hazel e7727c36be Don't use group caching when (?| is involved; instead use a counter to cap too
much computation.
2015-11-10 14:33:28 +00:00
Philip.Hazel 1bd3658bd9 Allow for the possibility of the size of the nest_save structure not being
a factor of the size of the compiling workspace.
2015-11-09 17:39:43 +00:00
Philip.Hazel ddf5f0532b Correct comments. 2015-11-09 17:09:00 +00:00
Philip.Hazel 8dcd23238a Adjust tests for workspace overflow and relevant comments in pcre2_compile.c 2015-11-08 14:41:34 +00:00
Philip.Hazel 89b1ae1c98 Use caching to improve could_be_empty() and find_fixed_length() compile times,
especially when recursion/subroutine calls are present.
2015-11-08 14:20:09 +00:00
Philip.Hazel efc135b261 Fix out-of-date comment. 2015-11-06 17:52:41 +00:00
Philip.Hazel 2909e2411c Fix (*NO_AUTO_POSSESS) 2015-11-05 18:03:16 +00:00
Philip.Hazel b7ee0684e3 Implement pcre2_set_max_pattern_length() 2015-11-05 17:33:39 +00:00
Philip.Hazel 37e9ea2331 Fix buglet in recent name length patch. 2015-11-03 20:09:33 +00:00
Philip.Hazel b02bb996af Check subpattern name lengths dynamically. 2015-11-03 20:04:23 +00:00
Philip.Hazel 4ad83f7103 Dynamic check of (*MARK) etc name length to avoid the possibility of overflow. 2015-11-03 19:14:31 +00:00
Philip.Hazel 75181cca2e Give error for overlong lookbehind assertion. 2015-11-03 10:39:27 +00:00
Philip.Hazel 7d7a92edef Bad max lookbehind length was calculated when a back reference contained a
recursion.
2015-11-01 17:31:48 +00:00
Philip.Hazel f72b753f73 Fix VERSION condition bug. 2015-11-01 16:28:13 +00:00
Philip.Hazel d1b4d99bc5 Improve error message for overly-complicated patterns. 2015-10-28 09:59:53 +00:00
Philip.Hazel 9577d9e165 Fix overlong (*MARK) or (*THEN) names bug. 2015-10-28 09:25:31 +00:00
Philip.Hazel 766fbc81d0 Fix PCRE2_NO_AUTO_CAPTURE bug. 2015-10-25 17:35:34 +00:00
Philip.Hazel 94eda7669a Fix UCP with [[:<]] and [[:>:]] bad compile bug. 2015-10-21 11:29:07 +00:00
Philip.Hazel 836fbb1148 Fix erroneous "\ at end of pattern" errors, introduced by
PCRE2_SUBSTITUTE_EXTENDED patch.
2015-10-17 18:29:01 +00:00
Philip.Hazel 3263d44b97 Implement --never-backslash-C 2015-10-17 13:50:56 +00:00
Philip.Hazel 093412143d Fix compiler bug for classes such as [\W\p{Any}]. 2015-10-09 16:06:53 +00:00
Philip.Hazel 6ae5c36e83 Implement PCRE2_SUBSTITUTE_EXTENDED. 2015-10-07 17:32:48 +00:00
Philip.Hazel 69d61e2fdb Implement PCRE2_USE_OFFSET_LIMIT and pcre2_set_offset_limit(). No documentation
yet.
2015-09-22 11:24:28 +00:00
Philip.Hazel cdf07ab585 Complete escape processing for PCRE2_ALT_VERBNAMES 2015-09-01 17:32:42 +00:00