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67 lines
2.3 KiB
C++
67 lines
2.3 KiB
C++
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
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// Distributed under the MIT License (http://opensource.org/licenses/MIT)
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#pragma once
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#include <cstdint>
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#if __has_include(<version>)
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#include <version>
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#endif
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#if __cpp_lib_source_location >= 201907
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#include <source_location>
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#define SPDLOG_HAVE_STD_SOURCE_LOCATION
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#elif __has_include(<experimental/source_location>)
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#include <experimental/source_location>
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#define SPDLOG_HAVE_EXPERIMENTAL_SOURCE_LOCATION
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#endif
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namespace spdlog {
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// source location - either initiated from std::source_location or from
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// std::experimental::source_location or empty
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struct source_loc {
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constexpr source_loc() = default;
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constexpr source_loc(const char *filename_in, std::uint_least32_t line_in, const char *funcname_in)
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: filename{filename_in},
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short_filename{basename(filename_in)},
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line{line_in},
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funcname{funcname_in} {}
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#ifdef SPDLOG_HAVE_STD_SOURCE_LOCATION
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static constexpr source_loc current(const std::source_location source_location = std::source_location::current()) {
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return source_loc{source_location.file_name(), source_location.line(), source_location.function_name()};
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}
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#elif defined(SPDLOG_HAVE_EXPERIMENTAL_SOURCE_LOCATION)
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static constexpr source_loc current(
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const std::experimental::source_location source_location = std::experimental::source_location::current()) {
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return source_loc{source_location.file_name(), source_location.line(), source_location.function_name()};
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}
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#else // no source location support
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static constexpr source_loc current() { return source_loc{}; }
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#endif
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[[nodiscard]] constexpr bool empty() const noexcept { return line == 0 || filename == nullptr || short_filename == nullptr; }
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const char *filename{nullptr};
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const char *short_filename{nullptr};
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std::uint_least32_t line{0};
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const char *funcname{nullptr};
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// return filename without the leading path
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static constexpr const char *basename(const char *path) {
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const char *file = path;
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while (*path) {
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#ifdef _WIN32
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if (*path == '\\' || *path == '/')
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#else
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if (*path == '/')
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#endif
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{
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file = path + 1;
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}
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++path;
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}
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return file;
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}
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};
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} // namespace spdlog
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