1 // <experimental/source_location> -*- C++ -*-
3 // Copyright (C) 2015-2022 Free Software Foundation, Inc.
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)
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.
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.
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/>.
25 /** @file experimental/source_location
26 * This is a TS C++ Library header.
30 #ifndef _GLIBCXX_EXPERIMENTAL_SRCLOC
31 #define _GLIBCXX_EXPERIMENTAL_SRCLOC 1
33 #if __cplusplus >= 201402L
37 _GLIBCXX_BEGIN_NAMESPACE_VERSION
39 namespace experimental {
40 inline namespace fundamentals_v2 {
41 #define __cpp_lib_experimental_source_location 201505
43 struct source_location
45 #ifndef _GLIBCXX_USE_C99_STDINT_TR1
47 using uint_least32_t = unsigned;
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
58 source_location __loc;
59 __loc._M_file = __file;
60 __loc._M_func = __func;
61 __loc._M_line = __line;
66 constexpr source_location() noexcept
67 : _M_file("unknown"), _M_func(_M_file), _M_line(0), _M_col(0)
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; }
79 uint_least32_t _M_line;
80 uint_least32_t _M_col;
82 } // namespace fundamentals_v2
83 } // namespace experimental
85 _GLIBCXX_END_NAMESPACE_VERSION
89 #endif // _GLIBCXX_EXPERIMENTAL_SRCLOC