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