41 lines
980 B
C++
41 lines
980 B
C++
/// \file source_location.h
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/// \brief Portable `source_location` wrapper.
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///
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/// Uses `std::source_location` when available (C++20), otherwise falls
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/// back to a minimal stub that returns empty/zero values.
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#pragma once
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#include <version>
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/// NOTE: fallback to a minimal source_location implementation
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#if defined(__cpp_lib_source_location)
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#include <source_location>
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using source_location_t = std::source_location;
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#else
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struct source_location_fallback {
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public:
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static constexpr source_location_fallback current() noexcept {
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return source_location_fallback{};
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}
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constexpr source_location_fallback() noexcept = default;
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constexpr unsigned line() const noexcept {
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return 0;
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}
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constexpr unsigned column() const noexcept {
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return 0;
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}
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constexpr const char* file_name() const noexcept {
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return "";
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}
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constexpr const char* function_name() const noexcept {
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return "";
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}
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};
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using source_location_t = source_location_fallback;
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#endif
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