Retro68/gcc/libstdc++-v3/include/experimental/source_location
2018-12-28 16:30:48 +01:00

87 lines
2.6 KiB
C++

// <experimental/source_location> -*- C++ -*-
// Copyright (C) 2015-2018 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
/** @file experimental/source_location
* This is a TS C++ Library header.
*/
#ifndef _GLIBCXX_EXPERIMENTAL_SRCLOC
#define _GLIBCXX_EXPERIMENTAL_SRCLOC 1
#include <cstdint>
namespace std {
_GLIBCXX_BEGIN_NAMESPACE_VERSION
namespace experimental {
inline namespace fundamentals_v2 {
#define __cpp_lib_experimental_source_location 201505
struct source_location
{
#ifndef _GLIBCXX_USE_C99_STDINT_TR1
private:
using uint_least32_t = unsigned;
public:
#endif
// 14.1.2, source_location creation
static constexpr source_location
current(const char* __file = __builtin_FILE(),
const char* __func = __builtin_FUNCTION(),
int __line = __builtin_LINE(),
int __col = 0) noexcept
{
source_location __loc;
__loc._M_file = __file;
__loc._M_func = __func;
__loc._M_line = __line;
__loc._M_col = __col;
return __loc;
}
constexpr source_location() noexcept
: _M_file("unknown"), _M_func(_M_file), _M_line(0), _M_col(0)
{ }
// 14.1.3, source_location field access
constexpr uint_least32_t line() const noexcept { return _M_line; }
constexpr uint_least32_t column() const noexcept { return _M_col; }
constexpr const char* file_name() const noexcept { return _M_file; }
constexpr const char* function_name() const noexcept { return _M_func; }
private:
const char* _M_file;
const char* _M_func;
uint_least32_t _M_line;
uint_least32_t _M_col;
};
} // namespace fundamentals_v2
} // namespace experimental
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace std
#endif