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Move system_clock from <__msvc_chrono.hpp> to <chrono> (microso…
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…ft#5105)
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@cpplearner
cpplearner authored Nov 22, 2024
1 parent 8ebb4d6 commit 5e0ddad
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Showing 3 changed files with 99 additions and 100 deletions.
97 changes: 0 additions & 97 deletions stl/inc/__msvc_chrono.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -646,33 +646,6 @@ namespace chrono {
return time_point<_Clock, _To>(_CHRONO round<_To>(_Time.time_since_epoch()));
}

_EXPORT_STD struct system_clock { // wraps GetSystemTimePreciseAsFileTime
using rep = long long;
using period = ratio<1, 10'000'000>; // 100 nanoseconds
using duration = _CHRONO duration<rep, period>;
using time_point = _CHRONO time_point<system_clock>;
static constexpr bool is_steady = false;

_NODISCARD static time_point now() noexcept { // get current time
return time_point(duration(_Xtime_get_ticks()));
}

_NODISCARD static __time64_t to_time_t(const time_point& _Time) noexcept { // convert to __time64_t
return duration_cast<seconds>(_Time.time_since_epoch()).count();
}

_NODISCARD static time_point from_time_t(__time64_t _Tm) noexcept { // convert from __time64_t
return time_point{seconds{_Tm}};
}
};

#if _HAS_CXX20
_EXPORT_STD template <class _Duration>
using sys_time = time_point<system_clock, _Duration>;
_EXPORT_STD using sys_seconds = sys_time<seconds>;
_EXPORT_STD using sys_days = sys_time<days>;
#endif // _HAS_CXX20

_EXPORT_STD struct steady_clock { // wraps QueryPerformanceCounter
using rep = long long;
using period = nano;
Expand Down Expand Up @@ -726,76 +699,6 @@ namespace chrono {
#undef _LIKELY_ARM_ARM64
#undef _LIKELY_X86_X64
};

_EXPORT_STD using high_resolution_clock = steady_clock;
} // namespace chrono

inline namespace literals {
inline namespace chrono_literals {
_EXPORT_STD _NODISCARD constexpr _CHRONO hours operator""h(unsigned long long _Val) noexcept
/* strengthened */ {
return _CHRONO hours(_Val);
}

_EXPORT_STD _NODISCARD constexpr _CHRONO duration<double, ratio<3600>> operator""h(long double _Val) noexcept
/* strengthened */ {
return _CHRONO duration<double, ratio<3600>>(_Val);
}

_EXPORT_STD _NODISCARD constexpr _CHRONO minutes operator""min(unsigned long long _Val) noexcept
/* strengthened */ {
return _CHRONO minutes(_Val);
}

_EXPORT_STD _NODISCARD constexpr _CHRONO duration<double, ratio<60>> operator""min(long double _Val) noexcept
/* strengthened */ {
return _CHRONO duration<double, ratio<60>>(_Val);
}

_EXPORT_STD _NODISCARD constexpr _CHRONO seconds operator""s(unsigned long long _Val) noexcept
/* strengthened */ {
return _CHRONO seconds(_Val);
}

_EXPORT_STD _NODISCARD constexpr _CHRONO duration<double> operator""s(long double _Val) noexcept
/* strengthened */ {
return _CHRONO duration<double>(_Val);
}

_EXPORT_STD _NODISCARD constexpr _CHRONO milliseconds operator""ms(unsigned long long _Val) noexcept
/* strengthened */ {
return _CHRONO milliseconds(_Val);
}

_EXPORT_STD _NODISCARD constexpr _CHRONO duration<double, milli> operator""ms(long double _Val) noexcept
/* strengthened */ {
return _CHRONO duration<double, milli>(_Val);
}

_EXPORT_STD _NODISCARD constexpr _CHRONO microseconds operator""us(unsigned long long _Val) noexcept
/* strengthened */ {
return _CHRONO microseconds(_Val);
}

_EXPORT_STD _NODISCARD constexpr _CHRONO duration<double, micro> operator""us(long double _Val) noexcept
/* strengthened */ {
return _CHRONO duration<double, micro>(_Val);
}

_EXPORT_STD _NODISCARD constexpr _CHRONO nanoseconds operator""ns(unsigned long long _Val) noexcept
/* strengthened */ {
return _CHRONO nanoseconds(_Val);
}

_EXPORT_STD _NODISCARD constexpr _CHRONO duration<double, nano> operator""ns(long double _Val) noexcept
/* strengthened */ {
return _CHRONO duration<double, nano>(_Val);
}
} // namespace chrono_literals
} // namespace literals

namespace chrono {
_EXPORT_STD using namespace literals::chrono_literals;
} // namespace chrono
_STD_END

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100 changes: 98 additions & 2 deletions stl/inc/chrono
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Original file line number Diff line number Diff line change
Expand Up @@ -77,8 +77,37 @@ _NODISCARD basic_string<typename _Traits::char_type, _Traits, _Alloc> _Convert_w
}
#endif // _HAS_CXX17

#if _HAS_CXX20
namespace chrono {
_EXPORT_STD struct system_clock { // wraps GetSystemTimePreciseAsFileTime
using rep = long long;
using period = ratio<1, 10'000'000>; // 100 nanoseconds
using duration = _CHRONO duration<rep, period>;
using time_point = _CHRONO time_point<system_clock>;
static constexpr bool is_steady = false;

_NODISCARD static time_point now() noexcept { // get current time
return time_point(duration(_Xtime_get_ticks()));
}

_NODISCARD static __time64_t to_time_t(const time_point& _Time) noexcept { // convert to __time64_t
return duration_cast<seconds>(_Time.time_since_epoch()).count();
}

_NODISCARD static time_point from_time_t(__time64_t _Tm) noexcept { // convert from __time64_t
return time_point{seconds{_Tm}};
}
};

#if _HAS_CXX20
_EXPORT_STD template <class _Duration>
using sys_time = time_point<system_clock, _Duration>;
_EXPORT_STD using sys_seconds = sys_time<seconds>;
_EXPORT_STD using sys_days = sys_time<days>;
#endif // _HAS_CXX20

_EXPORT_STD using high_resolution_clock = steady_clock;

#if _HAS_CXX20
// [time.duration.io]

#define _IF_PERIOD_RETURN_SUFFIX_ELSE(_TYPE, _SUFFIX) \
Expand Down Expand Up @@ -2758,8 +2787,10 @@ namespace chrono {
return gps_time<common_type_t<_Duration, seconds>>{_Time.time_since_epoch()} + _Gps_epoch_adjust;
}
};
#endif // _HAS_CXX20
} // namespace chrono

#if _HAS_CXX20
namespace filesystem {
struct _File_time_clock;
} // namespace filesystem
Expand Down Expand Up @@ -6119,19 +6150,84 @@ namespace chrono {
return _STD move(_Os).str();
}
} // namespace chrono
#endif // _HAS_CXX20

inline namespace literals {
inline namespace chrono_literals {
_EXPORT_STD _NODISCARD constexpr _CHRONO hours operator""h(unsigned long long _Val) noexcept
/* strengthened */ {
return _CHRONO hours(_Val);
}

_EXPORT_STD _NODISCARD constexpr _CHRONO duration<double, ratio<3600>> operator""h(long double _Val) noexcept
/* strengthened */ {
return _CHRONO duration<double, ratio<3600>>(_Val);
}

_EXPORT_STD _NODISCARD constexpr _CHRONO minutes operator""min(unsigned long long _Val) noexcept
/* strengthened */ {
return _CHRONO minutes(_Val);
}

_EXPORT_STD _NODISCARD constexpr _CHRONO duration<double, ratio<60>> operator""min(long double _Val) noexcept
/* strengthened */ {
return _CHRONO duration<double, ratio<60>>(_Val);
}

_EXPORT_STD _NODISCARD constexpr _CHRONO seconds operator""s(unsigned long long _Val) noexcept
/* strengthened */ {
return _CHRONO seconds(_Val);
}

_EXPORT_STD _NODISCARD constexpr _CHRONO duration<double> operator""s(long double _Val) noexcept
/* strengthened */ {
return _CHRONO duration<double>(_Val);
}

_EXPORT_STD _NODISCARD constexpr _CHRONO milliseconds operator""ms(unsigned long long _Val) noexcept
/* strengthened */ {
return _CHRONO milliseconds(_Val);
}

_EXPORT_STD _NODISCARD constexpr _CHRONO duration<double, milli> operator""ms(long double _Val) noexcept
/* strengthened */ {
return _CHRONO duration<double, milli>(_Val);
}

_EXPORT_STD _NODISCARD constexpr _CHRONO microseconds operator""us(unsigned long long _Val) noexcept
/* strengthened */ {
return _CHRONO microseconds(_Val);
}

_EXPORT_STD _NODISCARD constexpr _CHRONO duration<double, micro> operator""us(long double _Val) noexcept
/* strengthened */ {
return _CHRONO duration<double, micro>(_Val);
}

_EXPORT_STD _NODISCARD constexpr _CHRONO nanoseconds operator""ns(unsigned long long _Val) noexcept
/* strengthened */ {
return _CHRONO nanoseconds(_Val);
}

_EXPORT_STD _NODISCARD constexpr _CHRONO duration<double, nano> operator""ns(long double _Val) noexcept
/* strengthened */ {
return _CHRONO duration<double, nano>(_Val);
}

#if _HAS_CXX20
_EXPORT_STD _NODISCARD constexpr _CHRONO day operator""d(unsigned long long _Day) noexcept {
return _CHRONO day{static_cast<unsigned int>(_Day)};
}
_EXPORT_STD _NODISCARD constexpr _CHRONO year operator""y(unsigned long long _Year) noexcept {
return _CHRONO year{static_cast<int>(_Year)};
}
#endif // _HAS_CXX20
} // namespace chrono_literals
} // namespace literals
#endif // _HAS_CXX20

namespace chrono {
_EXPORT_STD using namespace literals::chrono_literals;
} // namespace chrono
_STD_END
#pragma pop_macro("new")
_STL_RESTORE_CLANG_WARNINGS
Expand Down
2 changes: 1 addition & 1 deletion stl/inc/experimental/filesystem
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Original file line number Diff line number Diff line change
Expand Up @@ -8,8 +8,8 @@
#include <yvals_core.h>
#if _STL_COMPILER_PREPROCESSOR

#include <__msvc_chrono.hpp> // for chrono::time_point
#include <algorithm> // for replace
#include <chrono> // for chrono::time_point
#include <codecvt> // for codecvt_utf8_*
#include <list> // for recursive_directory_iterator stack
#include <locale> // for wstring_convert
Expand Down

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