mirror of
https://github.com/llvm-mirror/libcxx.git
synced 2025-10-24 03:32:35 +08:00
7f6e8e2141
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
40 lines
1023 B
C++
40 lines
1023 B
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
|
// Source Licenses. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <regex>
|
|
|
|
// template <class charT, class traits = regex_traits<charT>> class basic_regex;
|
|
|
|
// basic_regex(const charT* p, size_t len);
|
|
|
|
#include <regex>
|
|
#include <cassert>
|
|
|
|
template <class CharT>
|
|
void
|
|
test(const CharT* p, std::size_t len, unsigned mc)
|
|
{
|
|
std::basic_regex<CharT> r(p, len);
|
|
assert(r.flags() == std::regex_constants::ECMAScript);
|
|
assert(r.mark_count() == mc);
|
|
}
|
|
|
|
int main()
|
|
{
|
|
test("\\(a\\)", 5, 0);
|
|
test("\\(a[bc]\\)", 9, 0);
|
|
test("\\(a\\([bc]\\)\\)", 13, 0);
|
|
test("(a([bc]))", 9, 2);
|
|
|
|
test("(\0)(b)(c)(d)", 12, 4);
|
|
test("(\0)(b)(c)(d)", 9, 3);
|
|
test("(\0)(b)(c)(d)", 3, 1);
|
|
test("(\0)(b)(c)(d)", 0, 0);
|
|
}
|