STL/stl/inc/source_location

75 строки
2.3 KiB
C++

// source_location standard header (core)
// Copyright (c) Microsoft Corporation.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#ifndef _SOURCE_LOCATION_
#define _SOURCE_LOCATION_
#include <yvals_core.h>
#if _STL_COMPILER_PREPROCESSOR
#if !_HAS_CXX20
_EMIT_STL_WARNING(STL4038, "The contents of <source_location> are available only with C++20 or later.");
#else // ^^^ !_HAS_CXX20 / _HAS_CXX20 vvv
#include <cstdint>
#pragma pack(push, _CRT_PACKING)
#pragma warning(push, _STL_WARNING_LEVEL)
#pragma warning(disable : _STL_DISABLED_WARNINGS)
_STL_DISABLE_CLANG_WARNINGS
#pragma push_macro("new")
#undef new
#ifndef _USE_DETAILED_FUNCTION_NAME_IN_SOURCE_LOCATION
#define _USE_DETAILED_FUNCTION_NAME_IN_SOURCE_LOCATION 1
#endif // ^^^ !defined(_USE_DETAILED_FUNCTION_NAME_IN_SOURCE_LOCATION) ^^^
_STD_BEGIN
_EXPORT_STD struct source_location {
_NODISCARD static consteval source_location current(const uint_least32_t _Line_ = __builtin_LINE(),
const uint_least32_t _Column_ = __builtin_COLUMN(), const char* const _File_ = __builtin_FILE(),
#if _USE_DETAILED_FUNCTION_NAME_IN_SOURCE_LOCATION
const char* const _Function_ = __builtin_FUNCSIG()
#else // ^^^ detailed / basic vvv
const char* const _Function_ = __builtin_FUNCTION()
#endif // ^^^ basic ^^^
) noexcept {
source_location _Result{};
_Result._Line = _Line_;
_Result._Column = _Column_;
_Result._File = _File_;
_Result._Function = _Function_;
return _Result;
}
_NODISCARD_CTOR constexpr source_location() noexcept = default;
_NODISCARD constexpr uint_least32_t line() const noexcept {
return _Line;
}
_NODISCARD constexpr uint_least32_t column() const noexcept {
return _Column;
}
_NODISCARD constexpr const char* file_name() const noexcept {
return _File;
}
_NODISCARD constexpr const char* function_name() const noexcept {
return _Function;
}
private:
uint_least32_t _Line{};
uint_least32_t _Column{};
const char* _File = "";
const char* _Function = "";
};
_STD_END
#pragma pop_macro("new")
_STL_RESTORE_CLANG_WARNINGS
#pragma warning(pop)
#pragma pack(pop)
#endif // ^^^ _HAS_CXX20 ^^^
#endif // _STL_COMPILER_PREPROCESSOR
#endif // _SOURCE_LOCATION_