Commit Graph

278 Commits

Author SHA1 Message Date
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
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
Philip.Hazel 6b6e611b39 Fix mutual recursion inside other parentheses stack overflow bug. 2015-03-27 17:45:02 +00:00
Philip.Hazel cd85fae3c6 Fix bad memory computation for "(*UTF)[\S\V\H]" (a pattern with a negative
class (\S) and explicit wide characters).
2015-03-25 19:26:27 +00:00
Philip.Hazel a4ceadbf47 Fix bugs when (?!) is used as a condition. 2015-03-24 10:21:34 +00:00
Philip.Hazel b15698b077 Fix data overrun for /(?(?C)/ 2015-03-20 12:37:28 +00:00
Philip.Hazel 15e034c9c2 Add string offset within the pattern to the data passed to a callout with a
string argument.
2015-03-14 12:20:18 +00:00
Philip.Hazel baf08a3d37 Support manual callout with string argument at start of condition. 2015-03-12 17:00:18 +00:00
Philip.Hazel d0cf279d87 Code for callouts with string arguments. Documentation not yet updated. 2015-03-11 17:44:16 +00:00
Philip.Hazel 54396a364d Fix bad compile of patterns like /[A-`]/i,utf where the range contains
characters with multiple other cases and the ranges adjoin.
2015-03-06 11:57:06 +00:00
Philip.Hazel c372df5dce Fix compile error for forward reference subroutine call within a group that
also contained a recursive back reference.
2015-03-01 18:34:05 +00:00
Philip.Hazel ea03932668 Fix "internal error" bug caused by patterns like "((?2){0,1999}())?". 2015-02-28 11:31:51 +00:00
Philip.Hazel 49a7eada2d Final source file tidies for 10.10-RC1 2015-02-20 11:20:40 +00:00
Philip.Hazel 2e36497404 Fix compile loop for subroutine reference after class such as [^\ff]. 2015-02-06 17:51:55 +00:00
Philip.Hazel ad452f4036 Give an internal error for a bad opcode during auto-possessification. This can
stop a loop when compiling an invalid UTF string with PCRE2_NO_UTF_CHECK.
2015-02-06 16:47:15 +00:00
Philip.Hazel 0011aaa712 Disallow quantification of assertion conditions, for Perl compatibility (and in
any case it didn't always work).
2015-01-28 17:31:11 +00:00
Philip.Hazel 911b800984 Fix incorrect size calculation when a reference to a duplicate name occurs
in a part of the pattern where PCRE2_DUPNAMES is not set.
2015-01-27 17:21:32 +00:00
Philip.Hazel ca77bdd5c4 Implement (*NO_JIT) 2015-01-26 14:57:27 +00:00
Philip.Hazel 5438fc8a6a Add serialization functions and tests with updated pcre2test. Fix
PCRE2_INFO_SIZE issues.
2015-01-23 16:51:47 +00:00
Philip.Hazel d4daaf966d Fix conditional group backreference bug. 2015-01-13 16:01:24 +00:00
Philip.Hazel 5a18651441 Add PCRE2_NO_DOTSTAR_ANCHOR and revise documentation for .* optimizing. 2015-01-02 17:09:16 +00:00
Philip.Hazel 9fcdf2cc6f Add user data to recursion guard; get ready for RC1 (again) 2014-11-26 16:51:53 +00:00
Philip.Hazel adc7be2d3a Get rid of remaining FIXMEs in the code; implement JIT compile timing. 2014-11-12 17:46:02 +00:00
Philip.Hazel 08e3107cbe Changed jit_stack_alloc to jit_stack_create. 2014-11-03 17:13:00 +00:00
Philip.Hazel 8aa511a98b Improve test coverage; minor typo in JIT test and other minor buglets fixed. 2014-10-31 12:34:34 +00:00
Philip.Hazel 3989f00461 Convert the special "EBCDIC on an ASCII system" test. 2014-10-26 18:00:19 +00:00
Philip.Hazel 56805a1246 Remove some unused code and a spurious comment and reword one message. 2014-10-25 14:28:43 +00:00