| 1 |
// <experimental/source_location> -*- C++ -*- |
| 2 |
|
| 3 |
// Copyright (C) 2015-2021 Free Software Foundation, Inc. |
| 4 |
// |
| 5 |
// This file is part of the GNU ISO C++ Library. This library is free |
| 6 |
// software; you can redistribute it and/or modify it under the |
| 7 |
// terms of the GNU General Public License as published by the |
| 8 |
// Free Software Foundation; either version 3, or (at your option) |
| 9 |
// any later version. |
| 10 |
|
| 11 |
// This library is distributed in the hope that it will be useful, |
| 12 |
// but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
// GNU General Public License for more details. |
| 15 |
|
| 16 |
// Under Section 7 of GPL version 3, you are granted additional |
| 17 |
// permissions described in the GCC Runtime Library Exception, version |
| 18 |
// 3.1, as published by the Free Software Foundation. |
| 19 |
|
| 20 |
// You should have received a copy of the GNU General Public License and |
| 21 |
// a copy of the GCC Runtime Library Exception along with this program; |
| 22 |
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| 23 |
// <http://www.gnu.org/licenses/>. |
| 24 |
|
| 25 |
/** @file experimental/source_location |
| 26 |
* This is a TS C++ Library header. |
| 27 |
* @ingroup libfund-ts |
| 28 |
*/ |
| 29 |
|
| 30 |
#ifndef _GLIBCXX_EXPERIMENTAL_SRCLOC |
| 31 |
#define _GLIBCXX_EXPERIMENTAL_SRCLOC 1 |
| 32 |
|
| 33 |
#if __cplusplus >= 201402L |
| 34 |
#include <cstdint> |
| 35 |
|
| 36 |
namespace std { |
| 37 |
_GLIBCXX_BEGIN_NAMESPACE_VERSION |
| 38 |
|
| 39 |
namespace experimental { |
| 40 |
inline namespace fundamentals_v2 { |
| 41 |
#define __cpp_lib_experimental_source_location 201505 |
| 42 |
|
| 43 |
struct source_location |
| 44 |
{ |
| 45 |
#ifndef _GLIBCXX_USE_C99_STDINT_TR1 |
| 46 |
private: |
| 47 |
using uint_least32_t = unsigned; |
| 48 |
public: |
| 49 |
#endif |
| 50 |
|
| 51 |
// 14.1.2, source_location creation |
| 52 |
static constexpr source_location |
| 53 |
current(const char* __file = __builtin_FILE(), |
| 54 |
const char* __func = __builtin_FUNCTION(), |
| 55 |
int __line = __builtin_LINE(), |
| 56 |
int __col = 0) noexcept |
| 57 |
{ |
| 58 |
source_location __loc; |
| 59 |
__loc._M_file = __file; |
| 60 |
__loc._M_func = __func; |
| 61 |
__loc._M_line = __line; |
| 62 |
__loc._M_col = __col; |
| 63 |
return __loc; |
| 64 |
} |
| 65 |
|
| 66 |
constexpr source_location() noexcept |
| 67 |
: _M_file("unknown"), _M_func(_M_file), _M_line(0), _M_col(0) |
| 68 |
{ } |
| 69 |
|
| 70 |
// 14.1.3, source_location field access |
| 71 |
constexpr uint_least32_t line() const noexcept { return _M_line; } |
| 72 |
constexpr uint_least32_t column() const noexcept { return _M_col; } |
| 73 |
constexpr const char* file_name() const noexcept { return _M_file; } |
| 74 |
constexpr const char* function_name() const noexcept { return _M_func; } |
| 75 |
|
| 76 |
private: |
| 77 |
const char* _M_file; |
| 78 |
const char* _M_func; |
| 79 |
uint_least32_t _M_line; |
| 80 |
uint_least32_t _M_col; |
| 81 |
}; |
| 82 |
} // namespace fundamentals_v2 |
| 83 |
} // namespace experimental |
| 84 |
|
| 85 |
_GLIBCXX_END_NAMESPACE_VERSION |
| 86 |
} // namespace std |
| 87 |
|
| 88 |
#endif // C++14 |
| 89 |
#endif // _GLIBCXX_EXPERIMENTAL_SRCLOC |
