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98 Commits

Author SHA1 Message Date
Marshall Clow
99447c8e03 Fix bug #31387 - not checking end iterator when parsing decimal escape. Thanks to Karen for the report. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@290500 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-12-24 17:21:03 +00:00
Eric Fiselier
50f6579e74 fix sign comparison warnings 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@290469 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-12-24 00:24:44 +00:00
Tim Shen
38c2a3767b [libcxx] Make regex_match backtrack when search fails 
Summary:
Fixes PR19851.
alg.re.match/ecma.pass.cpp still XFAILS on linux, but after commenting out
locale-related tests, it passes. I don't have a freebsd machine to produce a
full pass.

Reviewers: mclow.lists

Subscribers: cfe-commits, emaste

Differential Revision: https://reviews.llvm.org/D26026

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@285352 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-10-27 21:40:34 +00:00
Tim Shen
741cb8b8e6 [libcxx] Support std::regex_constants::match_not_null 
Summary: Fixes PR21597.

Reviewers: mclow.lists, EricWF

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D25595

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@284881 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-10-21 20:41:47 +00:00
Marshall Clow
14c09a2413 Add an _LIBCPP_NORETURN inline function named __throw_XXX for each exception type we define. They either construct and throw the exception, or abort() (if exceptions are disabled). Use these functions everywhere instead of assert()ing when exceptions are disabled. WARNING: This is a behavior change - but only with exceptions disabled. Reviewed as: https://reviews.llvm.org/D23855. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@279744 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-08-25 15:09:01 +00:00
Hubert Tong
7f6e8e2141 [libcxx] Add "flag" default arg: basic_regex ptr_size_flag ctor 
Summary:
The synopsis in C++11 subclause 28.8 [re.regex] has:
```
basic_regex(const charT* p, size_t len,
            flag_type f = regex_constants::ECMAScript);
```

The default argument is added to libc++ by this change.

Reviewers: mclow.lists, rsmith, hubert.reinterpretcast

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D22702

Reapplies r277966.
Patch by Jason Liu!


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@277968 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-08-07 22:26:04 +00:00
Hubert Tong
5f9ee490e7 Revert r277966. Forgot patch attribution. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@277967 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-08-07 22:23:24 +00:00
Hubert Tong
9bae734ed9 [libcxx] Add "flag" default arg: basic_regex ptr_size_flag ctor 
Summary:
The synopsis in C++11 subclause 28.8 [re.regex] has:
```
basic_regex(const charT* p, size_t len,
            flag_type f = regex_constants::ECMAScript);
```

The default argument is added to libc++ by this change.

Reviewers: mclow.lists, rsmith, hubert.reinterpretcast

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D22702


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@277966 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-08-07 22:18:33 +00:00
Hubert Tong
b49c67fad2 [libcxx] basic_regex: add traits_type, string_type 
Summary:
In the synopsis in C++11 subclause 28.8 [re.regex], `basic_regex` is
specified to have member typedefs `traits_type` and `string_type`. This
change adds them to libc++.

Reviewers: mclow.lists, rsmith, hubert.reinterpretcast

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D22698

Patch by Jason Liu!


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@277526 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-08-02 21:34:48 +00:00
Daniel Sanders
7e87bc9c67 [libcxx] Fix definition of regex_traits::__regex_word on big-endian glibc systems 
Summary:
On glibc, the bits used for the various character classes is endian dependant
(see _ISbit() in ctypes.h) but __regex_word does not account for this and uses
a spare bit that isn't spare on big-endian. On big-endian, it overlaps with the
bit for graphic characters which causes '-', '@', etc. to be considered a word
character.

Fixed this by defining the value using _ISbit(15) on MIPS glibc systems. We've
restricted this to MIPS for now to avoid the risk of introducing failures in
other targets.

Fixes PR26476.

Reviewers: hans, mclow.lists

Subscribers: dsanders, cfe-commits

Differential Revision: http://reviews.llvm.org/D17132


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@261088 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-02-17 13:16:31 +00:00
Duncan P. N. Exon Smith
e784f5770f re.results.form: Format out-of-range subexpression references as null 
Rather than crashing in match_results::format() when a reference to a
marked subexpression is out of range, format the subexpression as empty
(i.e., replace it with an empty string).  Note that
match_results::operator[]() has a range-check and returns a null match
in this case, so this just re-uses that logic.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@259682 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-02-03 19:30:20 +00:00
Marshall Clow
685cdcaf9f Fix PR#26175. Thanks to Josh Petrie for the report and the patch. Reviewed as http://reviews.llvm.org/D16262 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@258107 91177308-0d34-0410-b5e6-96231b3b80d8
 2016-01-19 00:50:37 +00:00
Evgeniy Stepanov
a3b25f81d1 Cleanup: move visibility/linkage attributes to the first declaration. 
This change moves visibility attributes from out-of-class method
definitions to in-class declaration. This is needed for a switch to
attribute((internal_linkage)) (see http://reviews.llvm.org/D13925)
which can only appear on the first declaration.

This change does not touch istream/ostream/streambuf. They are
handled separately in http://reviews.llvm.org/D14409.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@252385 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-11-07 01:22:13 +00:00
Marshall Clow
70e8f59884 Fix a crasher found by libFuzzer 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@245849 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-24 15:57:09 +00:00
Marshall Clow
fc93ce7349 Make regex and any assert when they should throw an exception _but_ the user has decreed 'no exceptions'. This matches the behavior of string and vector 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@245239 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-17 21:14:16 +00:00
Marshall Clow
2576c29dab Consolidate a bunch of #ifdef _LIBCPP_NO_EXCEPTIONS .. #endif blocks into a single template function. NFC 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@243415 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-28 13:30:47 +00:00
Marshall Clow
568bd0222f Detect and throw on a class of bad regexes that we mistakenly accepted before. Thanks to Trevor Smigiel for the report 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@243030 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-23 18:27:51 +00:00
Eric Fiselier
7cc7106776 Fix initializer list order in <regex> to be correct 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@242864 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-22 01:29:41 +00:00
Eric Fiselier
47c5dae573 Remove unused typedefs in random and regex 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@242628 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-07-18 22:57:14 +00:00
Marshall Clow
64befb5bc5 Add code to honor the match_not_bol and match_not_eol regex flats. Fixes PR#22651. Thanks to Jim Porter for the report and suggested fix. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@232733 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-03-19 17:05:59 +00:00
Marshall Clow
5e56c30413 Fix for PR22061 by K-ballo 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@227384 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-01-28 22:22:35 +00:00
Marshall Clow
083e011d6c Make regex::assign not clobber the regex in case of failure. Fixes PR#22213 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@225799 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-01-13 16:49:52 +00:00
Marshall Clow
e3e7054f48 Implement LWG 2217 - operator==(sub_match, string) slices on embedded '\0's 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224292 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-12-15 23:57:56 +00:00
Dan Albert
1757386944 Base regex code on char_class_type. 
__get_classname() and __bracket_expression were assuming that
char_class_type was ctype_base::mask rather than using
regex_traits<_CharT>::char_class_type.

This change allows char_class_type to be defined to something other than
ctype_base::mask so that the implementation will still work for
platforms with an 8-bit ctype mask (such as Android and OpenBSD).


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@214201 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-07-29 19:23:39 +00:00
Marshall Clow
6b7e6921e2 Fix Bug 19678 - libc++ does not correctly handle the regex: '[^\0]*' 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@209307 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-05-21 16:29:50 +00:00
Marshall Clow
103af3478e Implement LWG issue 2306: match_results::reference should be value_type&, not const value_type&. This is a general move by the LWG to have the reference type of read-only containers be a non-const reference; however, there are no methods that return a non-const reference to a match_result entry, so there's no worries about getting a non-const reference to a constant object. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@202214 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-02-26 01:56:31 +00:00
Marshall Clow
e0f8672e7a Implement LWG Issues #2329 and #2332 - disallow iterators into temporary regexes and regexes into temporary strings 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@201717 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-02-19 21:21:11 +00:00
Marshall Clow
97f50f6c5e Update __parse_DUP_COUNT and __parse_BACKREF to use the traits class to recognize digits. Fixes PR18514 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@199541 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-01-18 03:40:03 +00:00
Marshall Clow
72fe0ae7cf Fix a bug in regex_token_iterator's copy constructor. Caught by Bob Wilson. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@199122 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-01-13 17:47:08 +00:00
Marshall Clow
0efd9dcfa0 Fix PR18404 - 'Bug in regex_token_iterator::operator++(int) implementation'. Enhance the tests for regex_token_iterator and regex_iterator. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@198878 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-01-09 18:25:57 +00:00
Marshall Clow
33ae2337e2 Patch by GM: apparently '__value' (two underscores) is a special name in Visual Studio, so rename the private method in <regex> with that name. GM's patch used '___value' (three underscores), but I changed that to '__regex_traits_value' because I've been burned in the past by identifiers that appear identical but are not. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@193087 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-10-21 15:43:25 +00:00
Howard Hinnant
499cea12bb Debug mode for string. This commit also marks the first time libc++ debug-mode has found a bug (found one in regex). Had to play with extern templates a bit to get this to work since string is heavily used within libc++.dylib. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@189114 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-08-23 17:37:05 +00:00
Howard Hinnant
0f678bd69e Nico Rieck: this patch series fixes visibility issues on Windows as explained in <http://lists.cs.uiuc.edu/pipermail/cfe-dev/2013-August/031214.html>. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@188192 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-08-12 18:38:34 +00:00
Howard Hinnant
cd59accbf5 Bill Fisher: This patch fixes a bug where std::regex in ECMAScript mode was ignoring capture groups inside lookahead assertions. 
For example, matching /(?=(a))(a)/ to "a" should yield two captures: \1 = "a", \2 = "a"

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@186954 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-07-23 16:18:04 +00:00
Howard Hinnant
1e1d05121d Bill Fisher: This patch fixes an ill-formed comparison when parsing control escapes, e.g. "\cA\ca". The code will now throw an error_escape exception for invalid control sequences like "\c:" or "\c". 
I've added the test cases to bad_escape.pass.cpp.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@186335 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-07-15 18:21:11 +00:00
Howard Hinnant
e840208989 Bill Fisher: This patch fixes a less likely case where '\b' can back up into invalid memory, when driven by a regex_iterator (for case 1, see r185273 or http://llvm.org/bugs/show_bug.cgi?id=16240) 
The attached test program also supplies a test for the case 1 fix in r185273.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@186089 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-07-11 15:32:55 +00:00
Howard Hinnant
7670f7d1ed Bill Fisher: This patch fixes a bug where regex_iterator doesn't indicate when it's restarting in the middle of a string. This bug causes /^a/ to match in the middle of the string "aaaaaaa", during iteration. 
My patch uses  to communicate when  is false.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@185950 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-07-09 17:29:09 +00:00
Howard Hinnant
dbc8cf059e Bill Fisher: This patch fixes a bug where the regex parser doesn't advance the pointer after reading the third character of an octal escape (in awk mode). 
That is, regex{"\141", awk} results in the regular expression /a1/ instead of just /a/.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@185449 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-07-02 17:43:31 +00:00
Howard Hinnant
a9602d56de Prevent '\b' from backing up into invalid memory. Fixes http://llvm.org/bugs/show_bug.cgi?id=16240. Sorry, I can not think of a good test case for this one, except by running valgrind as reported in the bug. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@185273 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-29 23:45:43 +00:00
Howard Hinnant
c1ecd97f00 Provide missing '{' in parsing extended quoted characters. This fixes http://llvm.org/bugs/show_bug.cgi?id=16135 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@185211 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-28 20:31:05 +00:00
Howard Hinnant
e57b7c445b William Fisher: A bug in __lookahead::exec causes /(?=^)b/ to match ab. When makes a recursive call to , it passes true for the value of . This causes a beginning-of-line anchor (^) inside a lookahead assertion to match anywhere in the text. This fixes http://llvm.org/bugs/show_bug.cgi?id=11118 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@185196 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-28 19:11:23 +00:00
Howard Hinnant
918f2a80ab Bill Fisher: Fix for failing to throw an exception in regex when parsing an invalid escape sequence. This fixes http://llvm.org/bugs/show_bug.cgi?id=16023 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@185192 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-06-28 18:57:30 +00:00
Marshall Clow
04bd79b23a Fix undefined behavior in syntax_option_type::operator~ and match_flag_type::operator./a.out Found by UBSan 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@177693 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-22 02:13:55 +00:00
Howard Hinnant
23fb972520 Albert Wong: definition for regex_traits<_CharT>::__regex_word. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@176640 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-07 19:38:08 +00:00
Howard Hinnant
83eade6abb No functionality change at this time. I've split _LIBCPP_VISIBLE up into two flags: _LIBCPP_TYPE_VIS and _LIBCPP_FUNC_VIS. This is in preparation for taking advantage of clang's new __type_visibility__ attribute. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@176593 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-03-06 23:30:19 +00:00
Howard Hinnant
0a69fa14d2 Zhang Xiongpang: Add definitions for const data members. Fixes http://llvm.org/bugs/show_bug.cgi?id=14585. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@170026 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-12-12 21:14:28 +00:00
Argyrios Kyrtzidis
1dc6f7ab97 Don't neglect to "return *this". 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@165860 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-13 02:03:45 +00:00
Howard Hinnant
33be35effe Dimitry Andric: many visibility fixes. Howard: Much appreciated. Can you send me a patch to CREDITS.TXT? 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@163862 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-09-14 00:39:16 +00:00
Howard Hinnant
46623a09ee noexcept and constexpr applied to <regex>. 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@160594 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-07-21 01:31:58 +00:00
Howard Hinnant
ec3773c2da Quash a whole bunch of warnings 
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@145624 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-12-01 20:21:04 +00:00