87 lines
2.6 KiB
C++
87 lines
2.6 KiB
C++
// <experimental/source_location> -*- C++ -*-
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// Copyright (C) 2015-2019 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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/** @file experimental/source_location
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* This is a TS C++ Library header.
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*/
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#ifndef _GLIBCXX_EXPERIMENTAL_SRCLOC
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#define _GLIBCXX_EXPERIMENTAL_SRCLOC 1
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#include <cstdint>
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namespace std {
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_GLIBCXX_BEGIN_NAMESPACE_VERSION
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namespace experimental {
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inline namespace fundamentals_v2 {
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#define __cpp_lib_experimental_source_location 201505
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struct source_location
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{
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#ifndef _GLIBCXX_USE_C99_STDINT_TR1
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private:
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using uint_least32_t = unsigned;
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public:
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#endif
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// 14.1.2, source_location creation
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static constexpr source_location
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current(const char* __file = __builtin_FILE(),
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const char* __func = __builtin_FUNCTION(),
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int __line = __builtin_LINE(),
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int __col = 0) noexcept
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{
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source_location __loc;
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__loc._M_file = __file;
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__loc._M_func = __func;
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__loc._M_line = __line;
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__loc._M_col = __col;
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return __loc;
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}
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constexpr source_location() noexcept
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: _M_file("unknown"), _M_func(_M_file), _M_line(0), _M_col(0)
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{ }
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// 14.1.3, source_location field access
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constexpr uint_least32_t line() const noexcept { return _M_line; }
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constexpr uint_least32_t column() const noexcept { return _M_col; }
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constexpr const char* file_name() const noexcept { return _M_file; }
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constexpr const char* function_name() const noexcept { return _M_func; }
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private:
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const char* _M_file;
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const char* _M_func;
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uint_least32_t _M_line;
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uint_least32_t _M_col;
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};
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} // namespace fundamentals_v2
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} // namespace experimental
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_GLIBCXX_END_NAMESPACE_VERSION
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} // namespace std
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#endif
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