Commit Graph

203 Commits

Author SHA1 Message Date
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
Philip.Hazel d2e87a75af Implemented PCRE2_ALT_VERBNAMES 2015-08-30 17:47:36 +00:00
Philip.Hazel ee41aa906f Runtime UTF checks now take not of the starting offset. 2015-08-18 10:34:05 +00:00
Philip.Hazel f86d8d35fa Make (*LIMIT_MATCH=) give an error and correct offsets for limit syntax errors. 2015-08-10 16:34:17 +00:00
Philip.Hazel 8e37b0b3c6 Fix missing non-existent reference test and bad error offsets for bad \g and \k
items.
2015-08-09 17:46:35 +00:00
Philip.Hazel e3d62b0ff8 Re-write recursion handling to fix another compiler bug and make it all less
error-prone.
2015-08-09 16:29:35 +00:00
Philip.Hazel b89a448d8d Add missing integer overflow checks. 2015-08-04 09:13:11 +00:00
Philip.Hazel 3e12e15fe1 Fix incorrect minimum matching length when pattern contains (?| groups. 2015-08-03 13:18:49 +00:00
Philip.Hazel fe0a16fe8f Make EBCDIC [a-z] type ranges Perl compatible. 2015-07-24 18:18:05 +00:00
Philip.Hazel 1bcfb856f5 Fix pedantic infelicities shown up by clang and a UTF-8 checking overflow bug. 2015-07-24 13:30:50 +00:00
Philip.Hazel 83c7c24b92 Fix bugs for patterns with conditional groups starting with assertions. 2015-07-22 14:34:31 +00:00
Philip.Hazel e4d630c4af Fix (?R- not being correctly diagnosed. 2015-07-22 09:29:09 +00:00
Philip.Hazel 0046526d0e Fix incorrect compilation for repeated conditionals with only one branch. 2015-07-22 09:01:50 +00:00
Philip.Hazel 688151205d Fix not diagnosis of missing ) for callout with string argument. 2015-07-21 14:03:08 +00:00
Philip.Hazel 01c4647b02 Fix "running for ever" bug for deeply nested [: sequences. 2015-07-21 13:42:14 +00:00
Philip.Hazel 31241914a5 Fix another fuzzer bug. 2015-07-20 10:17:23 +00:00
Philip.Hazel 21b15d96f2 Fix empty comment (?#) bug 2015-07-17 16:25:21 +00:00
Philip.Hazel c1f8a7dfb3 Fix bad compilation of a possessively repeated conditional that could match an
empty string.
2015-07-17 15:11:45 +00:00
Philip.Hazel 54f59d3c05 Ignore {1} quantifiers. 2015-07-17 13:41:09 +00:00
Philip.Hazel 5cd731f314 Fix crash due to incorrect pre-pass handling of callouts with string arguments,
and tighten up the callout handling.
2015-07-16 17:47:20 +00:00
Philip.Hazel 3326a72f6d Move pcre2_find_bracket() into its own module to avoid circular dependency. 2015-07-16 16:11:52 +00:00
Philip.Hazel 328c7920cc Fix bad processing of (?x)(*MARK) within another group. 2015-07-15 09:34:04 +00:00
Philip.Hazel 098562db96 Fix [[:>:]] when followed by parenthesis buffer overflow. 2015-07-15 09:08:12 +00:00
Philip.Hazel 865b2d5f6e Final file tidies for 10.20. 2015-07-02 13:18:14 +00:00
Philip.Hazel bac822ba58 Fix EBCDIC 0x41 omission and give error for \p and \P in a class when not
supported.
2015-06-19 16:41:22 +00:00
Philip.Hazel c146059c22 Make \c operate like Perl in EBCDIC environments. 2015-06-13 16:10:14 +00:00
Philip.Hazel 149aa29209 Fix \a and \e in pcre2test, and \a in pcre2_compile, on EBCDIC platforms. 2015-06-12 16:25:23 +00:00
Philip.Hazel 1d44822484 Fix empty string matching bug. 2015-06-09 17:41:45 +00:00
Philip.Hazel 1e6edd2e33 Fix table entry for \l in EBCDIC environments. 2015-06-09 16:33:44 +00:00
Philip.Hazel ff4553df08 Check for integer overflow in subroutine calls. 2015-06-08 17:51:54 +00:00
Philip.Hazel c9ac9e23ec Refactor named group handling by adding a pre-pass that generates a list of
named groups with their numbers before the rest of the compiling code is run. 
This has simplified the main compiling code and removed some sources of error.
2015-06-03 16:27:47 +00:00
Philip.Hazel 9ce0207f5c Make pcre2test give an error for \P, \p, and \X after #forbid_utf. 2015-05-20 17:44:17 +00:00
Philip.Hazel 666b3c88cf Give error for empty subpattern name such as (?''). 2015-05-19 16:48:57 +00:00
Philip.Hazel 78735a5336 Fix buffer overflow for lookbehind with mutually recursive groups. 2015-05-18 17:31:29 +00:00
Philip.Hazel 472d1c4e62 Fix sanitize=undefined warnings for left shifts of 31. 2015-05-16 16:02:46 +00:00
Philip.Hazel 6f94ece67d Fix forward reference by name to duplicate group number bug. 2015-05-16 11:01:48 +00:00
Philip.Hazel 56444e9978 Fix buffer overflow for recursive byname back reference when duplicate names
exist.
2015-05-15 17:09:01 +00:00
Philip.Hazel 92739ef5d8 Fix repeated condition check by duplicated name bug. 2015-05-08 16:32:28 +00:00
Philip.Hazel e653c5f142 Re-do previous patch and fix new forward-reference-with-quantification bugs. 2015-05-06 16:51:25 +00:00
Philip.Hazel c420d11041 Fix bug in previous fix. 2015-05-05 18:46:51 +00:00
Philip.Hazel d5191510db Fix recursive forward reference bug. 2015-05-03 16:46:56 +00:00
Philip.Hazel 4d35b44b43 Fix compatibility issues for \8 and \9. 2015-04-23 17:28:39 +00:00
Philip.Hazel d1a13b8e2e Implement PCRE2_ALT_CIRCUMFLEX. 2015-04-22 17:39:25 +00:00
Philip.Hazel e47a6ebe87 Implement PCRE2_NEVER_BACKSLASH_C. 2015-04-13 17:29:05 +00:00
Philip.Hazel 3e1748390b Fix very slow find_minlength when mutual recursion is present. 2015-04-13 09:13:39 +00:00
Philip.Hazel ade67323e7 Fix stack overflow instead of error diagnosis for mutual recursion within
lookbehind assertion.
2015-04-01 15:37:54 +00:00
Philip.Hazel 2f265daed0 Tidy the types of some integer variables. 2015-03-31 16:10:01 +00:00
Philip.Hazel 6a2cb0d774 Fix diagnosis of negative relative references to non-existent groups. 2015-03-31 15:01:25 +00:00
Philip.Hazel 2327a5860b Fix bad compile for possessive quantifier on group containing a subroutine
reference.
2015-03-29 17:34:04 +00:00
Philip.Hazel 63cab0dba9 Fix non-diagnosis of syntax error for (?(?< when not followed by ! or =. 2015-03-29 15:40:45 +00:00
Philip.Hazel 99bb61e903 Fix comment between recursion and quantifier bug. 2015-03-29 11:15:32 +00:00