Commit Graph

482 Commits

Author SHA1 Message Date
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 f985a68ea5 Additional overflow test. 2019-07-05 15:49:37 +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 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
Philip.Hazel 175b4919f7 Update tests. 2019-06-20 17:19:13 +00:00
Philip.Hazel 8eb01ad8a9 Typo in doc and update tests 2019-06-20 16:37:30 +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 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
Philip.Hazel 4f31de2866 Add support for invalid UTF-8 matching to pcre2grep. 2019-05-28 14:14:22 +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 e118e60a68 Fix crash when \X is used without UTF in JIT. 2019-05-13 16:26:17 +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 e85de98d0a Fix crash in pcre2_substitute() with NULL match context. 2019-03-11 17:29:08 +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 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 86349f8814 Fix bug in VERSION conditional test in DFA matching. 2019-01-29 14:34:59 +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 0ad7ff1549 Add --disable-pcre2grep-callout-fork configuration setting. 2018-11-17 16:45:57 +00:00
Philip.Hazel 9bc81d5229 Upgrade the as yet unreleased substitute callout facility. 2018-11-12 16:02:01 +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
Philip.Hazel f90ce1a333 Implement PCRE2_COPY_MATCHED_SUBJECT. 2018-10-17 08:33:38 +00:00
Philip.Hazel 2ba22647d1 Update Makefile.am for compiling with gcov. Add Script Run tests to improve
coverage.
2018-10-14 15:56:36 +00:00
Philip.Hazel 1c4dc562e4 Upgrade the ucptest program (used only by maintainer) and script run tests. 2018-10-14 14:27:16 +00:00
Philip.Hazel 0fc5cda13b Documentation and tests update for script runs. 2018-10-12 17:02:34 +00:00
Philip.Hazel 4e7a204d18 Update Script Run code to use the Script Extension property instead of the
Script property.
2018-10-09 16:42:21 +00:00
Philip.Hazel cda4780fb6 Fix bugs of omission in new script run code. 2018-10-03 15:41:47 +00:00
Philip.Hazel 866750fd53 Basic "script run" implementation. Not yet complete, and not yet documented. 2018-10-02 15:25:58 +00:00
Philip.Hazel f26b0b0bae Implement Perl 5.28's alphabetic lookaround syntax, e.g. (*pla:...) and also
(*atomic:...).
2018-09-24 16:23:53 +00:00
Philip.Hazel 69254c77f1 Implement PCRE2_EXTRA_ESCAPED_CR_IS_LF 2018-09-21 16:59:48 +00:00
Philip.Hazel a69267246f Implement callouts from pcre2_substitute(). 2018-09-18 16:31:30 +00:00
Philip.Hazel 3fce7c75e9 Add "allvector" to pcre2test. 2018-09-15 17:10:39 +00:00
Philip.Hazel bfad956b34 Treat empty-string-matching repeated conditionals the same as ordinary ones
when checking for an anchored pattern.
2018-09-03 15:20:40 +00:00
Philip.Hazel 59c2175ed9 Fix anchoring bug in conditionals with only one branch. 2018-09-02 16:53:29 +00:00
Philip.Hazel 50f0de6015 Lock out \N{U+hhhh} in non-UTF (non-Unicode) modes. 2018-09-02 16:03:27 +00:00
Philip.Hazel 6e6bb40a3d Fix bad auto-possessification of certain types of class. 2018-08-17 14:45:35 +00:00
Philip.Hazel 9332d4be69 Fix dynamic options changing bug. 2018-08-04 08:20:18 +00:00
Philip.Hazel b196143523 Make /x more Perl-compatible by recognizing all of Unicode's "Pattern White
Space" characters, not just the ASCII ones.
2018-08-03 09:38:36 +00:00
Philip.Hazel 6e245572b8 Add support for (?^) as now supported by Perl. 2018-07-28 16:23:24 +00:00
Philip.Hazel a9453f096f Give specific error for \F as for \L, \U etc. 2018-07-27 16:55:52 +00:00
Philip.Hazel e9aa3c0a21 Add support for \N{U+dd...}, for ASCII and Unicode modes only. 2018-07-27 16:30:40 +00:00
Philip.Hazel 775481293a Add more tests for further ClusterFuzz issues, all were fixed by the previous
patch; they just crashed in different ways. The fixed issues are ClusterFuzz 
numbers 9522, 9534, 9535, 9541, 9542. The bug was a new one, introduced by a 
recent code update (never in a release).
2018-07-22 15:43:00 +00:00
Philip.Hazel 7d97c226c7 Fix oversight in recent OP_COMMIT_ARG update. 2018-07-22 15:19:43 +00:00
Philip.Hazel 5ea9f6b0f1 Some places where the new opcode OP_COMMIT_ARG needs to be handled and which I
forgot.
2018-07-21 14:52:26 +00:00
Philip.Hazel 192b82cf6e Allow :NAME on (*ACCEPT), (*FAIL), and (*COMMIT) and fix bug with (*MARK)
followed by (*ACCEPT) in an assertion. More small updates to perltest.sh.
2018-07-21 14:34:51 +00:00
Philip.Hazel 666e94cd59 Fixed atomic group backtracking bug. 2018-07-16 15:24:32 +00:00
Philip.Hazel a0e367f5b6 Update Perl tester to allow for optimization to be turned off. Required moving
some tests out of the Perl-compatible files.
2018-07-14 16:16:51 +00:00
Philip.Hazel 7db5904b9f Documentation and tests update and minor tweak to perltest.sh. 2018-07-12 17:04:43 +00:00
Philip.Hazel 937617f343 Update to Unicode 11.0.0 2018-07-07 16:10:29 +00:00
Philip.Hazel 50aa69657e Fix bug in VERSION number reading. 2018-07-02 12:26:04 +00:00
Philip.Hazel b2294373d7 Ignore qualifiers on lookaheads within lookbehinds when checking for a fixed
length.
2018-07-02 11:23:45 +00:00
Philip.Hazel 1c79bdf36f Fix global search/replace in pcre2test and pcre2_substitute() when the pattern
matches an empty string, but never at the starting offset.
2018-07-02 10:54:03 +00:00
Philip.Hazel 89c2a02027 Fix bug when \K is used in a lookbehind in a substitute pattern. 2018-06-22 16:29:56 +00:00
Philip.Hazel e75410a5d8 More typos and changes to "Kibibytes" for "Kilobytes". 2018-06-18 14:03:33 +00:00
Philip.Hazel 3fb01b0443 Ensure all match limit tests set a limit, don't rely on the default. 2018-04-29 15:07:44 +00:00
Philip.Hazel fb15b37b2c Remove ctrl/Z from the input for test 6. 2018-04-28 16:05:48 +00:00
Philip.Hazel 75747ebb11 Re-factor pcre2_dfa_match() to use the heap instead of the stack for workspace
vectors when doing recursive function calls.
2018-04-27 16:48:35 +00:00
Philip.Hazel 04919e9d03 Add support to pcre2grep for binary zeros in -f files. 2018-02-24 17:09:19 +00:00
Philip.Hazel c440473190 Add another test. 2018-02-20 15:37:49 +00:00
Philip.Hazel b26aa366ba Fix \C bug with repeated character classes in UTF-8 mode. 2018-02-19 17:26:33 +00:00
Philip.Hazel aff77100bb Fix the value passed back for POSIX unset groups when REG_STARTEND has a
non-zero starting offset, and make pcre2test show relevant POSIX unset groups.
2018-02-19 14:49:42 +00:00
Philip.Hazel 53a588431c Fix auto-possessification bug at the end of a capturing group that is called
recursively.
2018-01-31 17:53:56 +00:00
Zoltán Herczeg 940627c83a Fix a typo in JIT and add a test. 2018-01-10 09:28:03 +00:00
Zoltán Herczeg 4a4389fa50 Support the new EXTUNI in JIT. 2018-01-06 08:48:11 +00:00
Philip.Hazel 807f37095d Previous FIRSTLINE patch was broken. Fix it. 2018-01-01 14:54:06 +00:00
Philip.Hazel 7a6e8a4454 Fix PCRE2_FIRSTLINE bug when a pattern match starts with the first code unit of
a newline sequence.
2018-01-01 14:12:35 +00:00
Philip.Hazel 911d43cd1e Fix \K issues in pcre2grep. 2017-12-26 15:10:04 +00:00
Philip.Hazel 94d5f4a050 Add callout_flags to callout blocks, and set bits within it from pcre2_match()
interpretation.
2017-12-22 15:56:27 +00:00
Philip.Hazel 814cc96bc5 Save extra compile options with the compiled pattern, and add an info call to
retrieve them.
2017-12-16 17:49:26 +00:00
Philip.Hazel 3458a2e2cd Fix infelicity in not finding a first character inside a non-assertive group
within a positive assertion.
2017-12-12 16:23:01 +00:00
Philip.Hazel 59d85d7b55 Fix incorrect first matching character when a backreference with zero minimum
repeat starts a pattern (possibly after assertions).
2017-12-12 15:01:51 +00:00
Philip.Hazel 76814d92c7 Fix multiple multiline matching issues in pcre2grep. 2017-11-13 16:52:39 +00:00
Philip.Hazel 36366914f5 Fix oss-fuzz bugs 3852 and 3891 (same bug); mis-closing external captures by
*ACCEPT inside assertions.
2017-10-29 16:58:38 +00:00
Philip.Hazel 4d82a61d47 Hyphen at the end of a character class is always literal. Give error for false
range after \d etc.
2017-07-29 15:54:04 +00:00
Philip.Hazel 0ba5272960 Fix bug in /xx implementation. 2017-07-25 15:27:30 +00:00
Philip.Hazel 810d9b6da5 Code tidies for 10.30-RC1 release candidate. 2017-07-19 16:04:15 +00:00
Philip.Hazel e3052af6fd Cut out the binary zero pcre2grep test on Solaris (SunOS) as it isn't possible
to check the output because sed won't handle binary zeros on Solaris.
2017-07-18 17:22:39 +00:00
Philip.Hazel a23715d7b1 Document experimental pattern conversion functions and remove unimplemented
features.
2017-07-12 16:34:49 +00:00
Philip.Hazel 4f7a608d56 Update grapheme breaking rules for Unicode 10.0.0. 2017-07-05 08:55:49 +00:00
Philip.Hazel 41bb787fb3 Update to Unicode 10.0.0 and add callout_no_where to pcre2test to aid testing. 2017-07-02 16:32:01 +00:00
Philip.Hazel b7d5cee61f Allow anchored patterns to use "first code unit" optimization. 2017-06-30 16:00:33 +00:00
Philip.Hazel 651ce3dea1 Update convert tests so they run on Windows. 2017-06-24 15:54:14 +00:00