diff options
Diffstat (limited to 'third_party/libcxx/include/c++/v1/__chrono')
38 files changed, 6654 insertions, 0 deletions
diff --git a/third_party/libcxx/include/c++/v1/__chrono/calendar.h b/third_party/libcxx/include/c++/v1/__chrono/calendar.h new file mode 100644 index 0000000..bb1c5e7 --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/calendar.h @@ -0,0 +1,44 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_CALENDAR_H +#define _LIBCPP___CHRONO_CALENDAR_H + +#include <__chrono/duration.h> +#include <__chrono/time_point.h> +#include <__config> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +#if _LIBCPP_STD_VER >= 20 + +_LIBCPP_BEGIN_NAMESPACE_STD + +namespace chrono { + +struct local_t {}; +template <class _Duration> +using local_time = time_point<local_t, _Duration>; +using local_seconds = local_time<seconds>; +using local_days = local_time<days>; + +struct last_spec { + explicit last_spec() = default; +}; +inline constexpr last_spec last{}; + +} // namespace chrono + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_STD_VER >= 20 + +#endif // _LIBCPP___CHRONO_CALENDAR_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/concepts.h b/third_party/libcxx/include/c++/v1/__chrono/concepts.h new file mode 100644 index 0000000..61ec256 --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/concepts.h @@ -0,0 +1,36 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_CONCEPTS_H +#define _LIBCPP___CHRONO_CONCEPTS_H + +#include <__chrono/hh_mm_ss.h> +#include <__chrono/time_point.h> +#include <__config> +#include <__type_traits/is_specialization.h> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +#if _LIBCPP_STD_VER >= 20 + +template <class _Tp> +concept __is_hh_mm_ss = __is_specialization_v<_Tp, chrono::hh_mm_ss>; + +template <class _Tp> +concept __is_time_point = __is_specialization_v<_Tp, chrono::time_point>; + +#endif // _LIBCPP_STD_VER >= 20 + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___CHRONO_CONCEPTS_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/convert_to_timespec.h b/third_party/libcxx/include/c++/v1/__chrono/convert_to_timespec.h new file mode 100644 index 0000000..11e0b82 --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/convert_to_timespec.h @@ -0,0 +1,51 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_CONVERT_TO_TIMESPEC_H +#define _LIBCPP___CHRONO_CONVERT_TO_TIMESPEC_H + +#include <__chrono/duration.h> +#include <__config> +#include <limits> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_PUSH_MACROS +#include <__undef_macros> + +_LIBCPP_BEGIN_NAMESPACE_STD + +// Convert a nanoseconds duration to the given TimeSpec type, which must have +// the same properties as std::timespec. +template <class _TimeSpec> +_LIBCPP_HIDE_FROM_ABI inline _TimeSpec __convert_to_timespec(const chrono::nanoseconds& __ns) { + using namespace chrono; + seconds __s = duration_cast<seconds>(__ns); + _TimeSpec __ts; + typedef decltype(__ts.tv_sec) __ts_sec; + const __ts_sec __ts_sec_max = numeric_limits<__ts_sec>::max(); + + if (__s.count() < __ts_sec_max) { + __ts.tv_sec = static_cast<__ts_sec>(__s.count()); + __ts.tv_nsec = static_cast<decltype(__ts.tv_nsec)>((__ns - __s).count()); + } else { + __ts.tv_sec = __ts_sec_max; + __ts.tv_nsec = 999999999; // (10^9 - 1) + } + + return __ts; +} + +_LIBCPP_END_NAMESPACE_STD + +_LIBCPP_POP_MACROS + +#endif // _LIBCPP___CHRONO_CONVERT_TO_TIMESPEC_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/convert_to_tm.h b/third_party/libcxx/include/c++/v1/__chrono/convert_to_tm.h new file mode 100644 index 0000000..16e1415 --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/convert_to_tm.h @@ -0,0 +1,241 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_CONVERT_TO_TM_H +#define _LIBCPP___CHRONO_CONVERT_TO_TM_H + +#include <__chrono/calendar.h> +#include <__chrono/concepts.h> +#include <__chrono/day.h> +#include <__chrono/duration.h> +#include <__chrono/file_clock.h> +#include <__chrono/gps_clock.h> +#include <__chrono/hh_mm_ss.h> +#include <__chrono/local_info.h> +#include <__chrono/month.h> +#include <__chrono/month_weekday.h> +#include <__chrono/monthday.h> +#include <__chrono/statically_widen.h> +#include <__chrono/sys_info.h> +#include <__chrono/system_clock.h> +#include <__chrono/tai_clock.h> +#include <__chrono/time_point.h> +#include <__chrono/utc_clock.h> +#include <__chrono/weekday.h> +#include <__chrono/year.h> +#include <__chrono/year_month.h> +#include <__chrono/year_month_day.h> +#include <__chrono/year_month_weekday.h> +#include <__chrono/zoned_time.h> +#include <__concepts/same_as.h> +#include <__config> +#include <__format/format_error.h> +#include <__memory/addressof.h> +#include <__type_traits/common_type.h> +#include <__type_traits/is_convertible.h> +#include <__type_traits/is_specialization.h> +#include <cstdint> +#include <ctime> +#include <limits> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_PUSH_MACROS +#include <__undef_macros> + +_LIBCPP_BEGIN_NAMESPACE_STD + +#if _LIBCPP_STD_VER >= 20 + +// Conerts a chrono date and weekday to a given _Tm type. +// +// This is an implementation detail for the function +// template <class _Tm, class _ChronoT> +// _Tm __convert_to_tm(const _ChronoT& __value) +// +// This manually converts the two values to the proper type. It is possible to +// convert from sys_days to time_t and then to _Tm. But this leads to the Y2K +// bug when time_t is a 32-bit signed integer. Chrono considers years beyond +// the year 2038 valid, so instead do the transformation manually. +template <class _Tm, class _Date> + requires(same_as<_Date, chrono::year_month_day> || same_as<_Date, chrono::year_month_day_last>) +_LIBCPP_HIDE_FROM_ABI _Tm __convert_to_tm(const _Date& __date, chrono::weekday __weekday) { + _Tm __result = {}; +# ifdef __GLIBC__ + __result.tm_zone = "UTC"; +# endif + __result.tm_year = static_cast<int>(__date.year()) - 1900; + __result.tm_mon = static_cast<unsigned>(__date.month()) - 1; + __result.tm_mday = static_cast<unsigned>(__date.day()); + __result.tm_wday = static_cast<unsigned>(__weekday.c_encoding()); + __result.tm_yday = + (static_cast<chrono::sys_days>(__date) - + static_cast<chrono::sys_days>(chrono::year_month_day{__date.year(), chrono::January, chrono::day{1}})) + .count(); + + return __result; +} + +template <class _Tm, class _Duration> +_LIBCPP_HIDE_FROM_ABI _Tm __convert_to_tm(const chrono::sys_time<_Duration> __tp) { + chrono::sys_days __days = chrono::floor<chrono::days>(__tp); + chrono::year_month_day __ymd{__days}; + + _Tm __result = std::__convert_to_tm<_Tm>(chrono::year_month_day{__ymd}, chrono::weekday{__days}); + + uint64_t __sec = + chrono::duration_cast<chrono::seconds>(__tp - chrono::time_point_cast<chrono::seconds>(__days)).count(); + __sec %= 24 * 3600; + __result.tm_hour = __sec / 3600; + __sec %= 3600; + __result.tm_min = __sec / 60; + __result.tm_sec = __sec % 60; + + return __result; +} + +# if _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM && _LIBCPP_HAS_LOCALIZATION +# if _LIBCPP_HAS_EXPERIMENTAL_TZDB + +template <class _Tm, class _Duration> +_LIBCPP_HIDE_FROM_ABI _Tm __convert_to_tm(chrono::utc_time<_Duration> __tp) { + _Tm __result = std::__convert_to_tm<_Tm>(chrono::utc_clock::to_sys(__tp)); + + if (chrono::get_leap_second_info(__tp).is_leap_second) + ++__result.tm_sec; + + return __result; +} + +template <class _Tm, class _Duration> +_LIBCPP_HIDE_FROM_ABI _Tm __convert_to_tm(chrono::tai_time<_Duration> __tp) { + using _Rp = common_type_t<_Duration, chrono::seconds>; + // The time between the TAI epoch (1958-01-01) and UNIX epoch (1970-01-01). + // This avoids leap second conversion when going from TAI to UTC. + // (It also avoids issues when the date is before the UTC epoch.) + constexpr chrono::seconds __offset{4383 * 24 * 60 * 60}; + return std::__convert_to_tm<_Tm>(chrono::sys_time<_Rp>{__tp.time_since_epoch() - __offset}); +} + +template <class _Tm, class _Duration> +_LIBCPP_HIDE_FROM_ABI _Tm __convert_to_tm(chrono::gps_time<_Duration> __tp) { + using _Rp = common_type_t<_Duration, chrono::seconds>; + // The time between the GPS epoch (1980-01-06) and UNIX epoch (1970-01-01). + constexpr chrono::seconds __offset{3657 * 24 * 60 * 60}; + return std::__convert_to_tm<_Tm>(chrono::sys_time<_Rp>{__tp.time_since_epoch() + __offset}); +} + +# endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB +# endif // _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM && _LIBCPP_HAS_LOCALIZATION + +// Convert a chrono (calendar) time point, or dururation to the given _Tm type, +// which must have the same properties as std::tm. +template <class _Tm, class _ChronoT> +_LIBCPP_HIDE_FROM_ABI _Tm __convert_to_tm(const _ChronoT& __value) { + _Tm __result = {}; +# ifdef __GLIBC__ + __result.tm_zone = "UTC"; +# endif + + if constexpr (__is_time_point<_ChronoT>) { + if constexpr (same_as<typename _ChronoT::clock, chrono::file_clock>) + return std::__convert_to_tm<_Tm>(_ChronoT::clock::to_sys(__value)); + else if constexpr (same_as<typename _ChronoT::clock, chrono::local_t>) + return std::__convert_to_tm<_Tm>(chrono::sys_time<typename _ChronoT::duration>{__value.time_since_epoch()}); + else { + // Note that some clocks have specializations __convert_to_tm for their + // time_point. These don't need to be added here. They do not trigger + // this assert. + static_assert(sizeof(_ChronoT) == 0, "TODO: Add the missing clock specialization"); + } + } else if constexpr (chrono::__is_duration_v<_ChronoT>) { + // [time.format]/6 + // ... However, if a flag refers to a "time of day" (e.g. %H, %I, %p, + // etc.), then a specialization of duration is interpreted as the time of + // day elapsed since midnight. + + // Not all values can be converted to hours, it may run into ratio + // conversion errors. In that case the conversion to seconds works. + if constexpr (is_convertible_v<_ChronoT, chrono::hours>) { + auto __hour = chrono::floor<chrono::hours>(__value); + auto __sec = chrono::duration_cast<chrono::seconds>(__value - __hour); + __result.tm_hour = __hour.count() % 24; + __result.tm_min = __sec.count() / 60; + __result.tm_sec = __sec.count() % 60; + } else { + uint64_t __sec = chrono::duration_cast<chrono::seconds>(__value).count(); + __sec %= 24 * 3600; + __result.tm_hour = __sec / 3600; + __sec %= 3600; + __result.tm_min = __sec / 60; + __result.tm_sec = __sec % 60; + } + } else if constexpr (same_as<_ChronoT, chrono::day>) + __result.tm_mday = static_cast<unsigned>(__value); + else if constexpr (same_as<_ChronoT, chrono::month>) + __result.tm_mon = static_cast<unsigned>(__value) - 1; + else if constexpr (same_as<_ChronoT, chrono::year>) + __result.tm_year = static_cast<int>(__value) - 1900; + else if constexpr (same_as<_ChronoT, chrono::weekday>) + __result.tm_wday = __value.c_encoding(); + else if constexpr (same_as<_ChronoT, chrono::weekday_indexed> || same_as<_ChronoT, chrono::weekday_last>) + __result.tm_wday = __value.weekday().c_encoding(); + else if constexpr (same_as<_ChronoT, chrono::month_day>) { + __result.tm_mday = static_cast<unsigned>(__value.day()); + __result.tm_mon = static_cast<unsigned>(__value.month()) - 1; + } else if constexpr (same_as<_ChronoT, chrono::month_day_last>) { + __result.tm_mon = static_cast<unsigned>(__value.month()) - 1; + } else if constexpr (same_as<_ChronoT, chrono::month_weekday> || same_as<_ChronoT, chrono::month_weekday_last>) { + __result.tm_wday = __value.weekday_indexed().weekday().c_encoding(); + __result.tm_mon = static_cast<unsigned>(__value.month()) - 1; + } else if constexpr (same_as<_ChronoT, chrono::year_month>) { + __result.tm_year = static_cast<int>(__value.year()) - 1900; + __result.tm_mon = static_cast<unsigned>(__value.month()) - 1; + } else if constexpr (same_as<_ChronoT, chrono::year_month_day> || same_as<_ChronoT, chrono::year_month_day_last>) { + return std::__convert_to_tm<_Tm>( + chrono::year_month_day{__value}, chrono::weekday{static_cast<chrono::sys_days>(__value)}); + } else if constexpr (same_as<_ChronoT, chrono::year_month_weekday> || + same_as<_ChronoT, chrono::year_month_weekday_last>) { + return std::__convert_to_tm<_Tm>(chrono::year_month_day{static_cast<chrono::sys_days>(__value)}, __value.weekday()); + } else if constexpr (__is_hh_mm_ss<_ChronoT>) { + __result.tm_sec = __value.seconds().count(); + __result.tm_min = __value.minutes().count(); + // In libc++ hours is stored as a long. The type in std::tm is an int. So + // the overflow can only occur when hour uses more bits than an int + // provides. + if constexpr (sizeof(std::chrono::hours::rep) > sizeof(__result.tm_hour)) + if (__value.hours().count() > std::numeric_limits<decltype(__result.tm_hour)>::max()) + std::__throw_format_error("Formatting hh_mm_ss, encountered an hour overflow"); + __result.tm_hour = __value.hours().count(); +# if _LIBCPP_HAS_EXPERIMENTAL_TZDB + } else if constexpr (same_as<_ChronoT, chrono::sys_info>) { + // Has no time information. + } else if constexpr (same_as<_ChronoT, chrono::local_info>) { + // Has no time information. +# if _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM && _LIBCPP_HAS_LOCALIZATION + } else if constexpr (__is_specialization_v<_ChronoT, chrono::zoned_time>) { + return std::__convert_to_tm<_Tm>( + chrono::sys_time<typename _ChronoT::duration>{__value.get_local_time().time_since_epoch()}); +# endif +# endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB + } else + static_assert(sizeof(_ChronoT) == 0, "Add the missing type specialization"); + + return __result; +} + +#endif // if _LIBCPP_STD_VER >= 20 + +_LIBCPP_END_NAMESPACE_STD + +_LIBCPP_POP_MACROS + +#endif // _LIBCPP___CHRONO_CONVERT_TO_TM_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/day.h b/third_party/libcxx/include/c++/v1/__chrono/day.h new file mode 100644 index 0000000..58fdc72 --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/day.h @@ -0,0 +1,112 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_DAY_H +#define _LIBCPP___CHRONO_DAY_H + +#include <__chrono/duration.h> +#include <__compare/ordering.h> +#include <__config> +#include <__cstddef/size_t.h> +#include <__functional/hash.h> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +#if _LIBCPP_STD_VER >= 20 + +_LIBCPP_BEGIN_NAMESPACE_STD + +namespace chrono { + +class day { +private: + unsigned char __d_; + +public: + day() = default; + _LIBCPP_HIDE_FROM_ABI explicit inline constexpr day(unsigned __val) noexcept + : __d_(static_cast<unsigned char>(__val)) {} + _LIBCPP_HIDE_FROM_ABI inline constexpr day& operator++() noexcept { + ++__d_; + return *this; + } + _LIBCPP_HIDE_FROM_ABI inline constexpr day operator++(int) noexcept { + day __tmp = *this; + ++(*this); + return __tmp; + } + _LIBCPP_HIDE_FROM_ABI inline constexpr day& operator--() noexcept { + --__d_; + return *this; + } + _LIBCPP_HIDE_FROM_ABI inline constexpr day operator--(int) noexcept { + day __tmp = *this; + --(*this); + return __tmp; + } + _LIBCPP_HIDE_FROM_ABI constexpr day& operator+=(const days& __dd) noexcept; + _LIBCPP_HIDE_FROM_ABI constexpr day& operator-=(const days& __dd) noexcept; + _LIBCPP_HIDE_FROM_ABI explicit inline constexpr operator unsigned() const noexcept { return __d_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr bool ok() const noexcept { return __d_ >= 1 && __d_ <= 31; } +}; + +_LIBCPP_HIDE_FROM_ABI inline constexpr bool operator==(const day& __lhs, const day& __rhs) noexcept { + return static_cast<unsigned>(__lhs) == static_cast<unsigned>(__rhs); +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr strong_ordering operator<=>(const day& __lhs, const day& __rhs) noexcept { + return static_cast<unsigned>(__lhs) <=> static_cast<unsigned>(__rhs); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr day operator+(const day& __lhs, const days& __rhs) noexcept { + return day(static_cast<unsigned>(__lhs) + __rhs.count()); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr day operator+(const days& __lhs, const day& __rhs) noexcept { + return __rhs + __lhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr day operator-(const day& __lhs, const days& __rhs) noexcept { + return __lhs + -__rhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr days operator-(const day& __lhs, const day& __rhs) noexcept { + return days(static_cast<int>(static_cast<unsigned>(__lhs)) - static_cast<int>(static_cast<unsigned>(__rhs))); +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr day& day::operator+=(const days& __dd) noexcept { + *this = *this + __dd; + return *this; +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr day& day::operator-=(const days& __dd) noexcept { + *this = *this - __dd; + return *this; +} + +} // namespace chrono + +# if _LIBCPP_STD_VER >= 26 + +template <> +struct hash<chrono::day> { + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static size_t operator()(const chrono::day& __d) noexcept { + return static_cast<unsigned>(__d); + } +}; + +# endif // _LIBCPP_STD_VER >= 26 + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_STD_VER >= 20 + +#endif // _LIBCPP___CHRONO_DAY_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/duration.h b/third_party/libcxx/include/c++/v1/__chrono/duration.h new file mode 100644 index 0000000..b7762bd --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/duration.h @@ -0,0 +1,570 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_DURATION_H +#define _LIBCPP___CHRONO_DURATION_H + +#include <__compare/ordering.h> +#include <__compare/three_way_comparable.h> +#include <__config> +#include <__cstddef/size_t.h> +#include <__functional/hash.h> +#include <__type_traits/common_type.h> +#include <__type_traits/enable_if.h> +#include <__type_traits/is_convertible.h> +#include <__type_traits/is_floating_point.h> +#include <limits> +#include <ratio> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_PUSH_MACROS +#include <__undef_macros> + +_LIBCPP_BEGIN_NAMESPACE_STD + +namespace chrono { + +template <class _Rep, class _Period = ratio<1> > +class duration; + +template <class _Tp> +inline const bool __is_duration_v = false; + +template <class _Rep, class _Period> +inline const bool __is_duration_v<duration<_Rep, _Period> > = true; + +template <class _Rep, class _Period> +inline const bool __is_duration_v<const duration<_Rep, _Period> > = true; + +template <class _Rep, class _Period> +inline const bool __is_duration_v<volatile duration<_Rep, _Period> > = true; + +template <class _Rep, class _Period> +inline const bool __is_duration_v<const volatile duration<_Rep, _Period> > = true; + +} // namespace chrono + +template <class _Rep1, class _Period1, class _Rep2, class _Period2> +struct common_type<chrono::duration<_Rep1, _Period1>, chrono::duration<_Rep2, _Period2> > { + typedef chrono::duration<typename common_type<_Rep1, _Rep2>::type, __ratio_gcd<_Period1, _Period2> > type; +}; + +namespace chrono { + +// duration_cast + +template <class _FromDuration, + class _ToDuration, + class _Period = typename ratio_divide<typename _FromDuration::period, typename _ToDuration::period>::type, + bool = _Period::num == 1, + bool = _Period::den == 1> +struct __duration_cast; + +template <class _FromDuration, class _ToDuration, class _Period> +struct __duration_cast<_FromDuration, _ToDuration, _Period, true, true> { + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _ToDuration operator()(const _FromDuration& __fd) const { + return _ToDuration(static_cast<typename _ToDuration::rep>(__fd.count())); + } +}; + +template <class _FromDuration, class _ToDuration, class _Period> +struct __duration_cast<_FromDuration, _ToDuration, _Period, true, false> { + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _ToDuration operator()(const _FromDuration& __fd) const { + typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct; + return _ToDuration( + static_cast<typename _ToDuration::rep>(static_cast<_Ct>(__fd.count()) / static_cast<_Ct>(_Period::den))); + } +}; + +template <class _FromDuration, class _ToDuration, class _Period> +struct __duration_cast<_FromDuration, _ToDuration, _Period, false, true> { + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _ToDuration operator()(const _FromDuration& __fd) const { + typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct; + return _ToDuration( + static_cast<typename _ToDuration::rep>(static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num))); + } +}; + +template <class _FromDuration, class _ToDuration, class _Period> +struct __duration_cast<_FromDuration, _ToDuration, _Period, false, false> { + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _ToDuration operator()(const _FromDuration& __fd) const { + typedef typename common_type<typename _ToDuration::rep, typename _FromDuration::rep, intmax_t>::type _Ct; + return _ToDuration(static_cast<typename _ToDuration::rep>( + static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num) / static_cast<_Ct>(_Period::den))); + } +}; + +template <class _ToDuration, class _Rep, class _Period, __enable_if_t<__is_duration_v<_ToDuration>, int> = 0> +[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _ToDuration +duration_cast(const duration<_Rep, _Period>& __fd) { + return __duration_cast<duration<_Rep, _Period>, _ToDuration>()(__fd); +} + +template <class _Rep> +struct treat_as_floating_point : is_floating_point<_Rep> {}; + +#if _LIBCPP_STD_VER >= 17 +template <class _Rep> +inline constexpr bool treat_as_floating_point_v = treat_as_floating_point<_Rep>::value; +#endif + +template <class _Rep> +struct duration_values { +public: + [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR _Rep zero() _NOEXCEPT { return _Rep(0); } + [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR _Rep max() _NOEXCEPT { + return numeric_limits<_Rep>::max(); + } + [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR _Rep min() _NOEXCEPT { + return numeric_limits<_Rep>::lowest(); + } +}; + +#if _LIBCPP_STD_VER >= 17 +template <class _ToDuration, class _Rep, class _Period, enable_if_t<__is_duration_v<_ToDuration>, int> = 0> +[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _ToDuration floor(const duration<_Rep, _Period>& __d) { + _ToDuration __t = chrono::duration_cast<_ToDuration>(__d); + if (__t > __d) + __t = __t - _ToDuration{1}; + return __t; +} + +template <class _ToDuration, class _Rep, class _Period, enable_if_t<__is_duration_v<_ToDuration>, int> = 0> +[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _ToDuration ceil(const duration<_Rep, _Period>& __d) { + _ToDuration __t = chrono::duration_cast<_ToDuration>(__d); + if (__t < __d) + __t = __t + _ToDuration{1}; + return __t; +} + +template <class _ToDuration, class _Rep, class _Period, enable_if_t<__is_duration_v<_ToDuration>, int> = 0> +[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR _ToDuration round(const duration<_Rep, _Period>& __d) { + _ToDuration __lower = chrono::floor<_ToDuration>(__d); + _ToDuration __upper = __lower + _ToDuration{1}; + auto __lower_diff = __d - __lower; + auto __upper_diff = __upper - __d; + if (__lower_diff < __upper_diff) + return __lower; + if (__lower_diff > __upper_diff) + return __upper; + return __lower.count() & 1 ? __upper : __lower; +} +#endif + +// duration + +template <class _Rep, class _Period> +class duration { + static_assert(!__is_duration_v<_Rep>, "A duration representation can not be a duration"); + static_assert(__is_ratio_v<_Period>, "Second template parameter of duration must be a std::ratio"); + static_assert(_Period::num > 0, "duration period must be positive"); + + template <class _R1, class _R2> + struct __no_overflow { + private: + static const intmax_t __gcd_n1_n2 = __static_gcd<_R1::num, _R2::num>; + static const intmax_t __gcd_d1_d2 = __static_gcd<_R1::den, _R2::den>; + static const intmax_t __n1 = _R1::num / __gcd_n1_n2; + static const intmax_t __d1 = _R1::den / __gcd_d1_d2; + static const intmax_t __n2 = _R2::num / __gcd_n1_n2; + static const intmax_t __d2 = _R2::den / __gcd_d1_d2; + static const intmax_t max = -((intmax_t(1) << (sizeof(intmax_t) * CHAR_BIT - 1)) + 1); + + template <intmax_t _Xp, intmax_t _Yp, bool __overflow> + struct __mul // __overflow == false + { + static const intmax_t value = _Xp * _Yp; + }; + + template <intmax_t _Xp, intmax_t _Yp> + struct __mul<_Xp, _Yp, true> { + static const intmax_t value = 1; + }; + + public: + static const bool value = (__n1 <= max / __d2) && (__n2 <= max / __d1); + typedef ratio<__mul<__n1, __d2, !value>::value, __mul<__n2, __d1, !value>::value> type; + }; + +public: + typedef _Rep rep; + typedef typename _Period::type period; + +private: + rep __rep_; + +public: +#ifndef _LIBCPP_CXX03_LANG + constexpr duration() = default; +#else + _LIBCPP_HIDE_FROM_ABI duration() {} +#endif + + template <class _Rep2, + __enable_if_t<is_convertible<const _Rep2&, rep>::value && + (treat_as_floating_point<rep>::value || !treat_as_floating_point<_Rep2>::value), + int> = 0> + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR explicit duration(const _Rep2& __r) : __rep_(__r) {} + + // conversions + template <class _Rep2, + class _Period2, + __enable_if_t<__no_overflow<_Period2, period>::value && (treat_as_floating_point<rep>::value || + (__no_overflow<_Period2, period>::type::den == 1 && + !treat_as_floating_point<_Rep2>::value)), + int> = 0> + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR duration(const duration<_Rep2, _Period2>& __d) + : __rep_(chrono::duration_cast<duration>(__d).count()) {} + + // observer + + [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR rep count() const { return __rep_; } + + // arithmetic + + [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR typename common_type<duration>::type operator+() const { + return typename common_type<duration>::type(*this); + } + [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR typename common_type<duration>::type operator-() const { + return typename common_type<duration>::type(-__rep_); + } + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator++() { + ++__rep_; + return *this; + } + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 duration operator++(int) { return duration(__rep_++); } + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator--() { + --__rep_; + return *this; + } + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 duration operator--(int) { return duration(__rep_--); } + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator+=(const duration& __d) { + __rep_ += __d.count(); + return *this; + } + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator-=(const duration& __d) { + __rep_ -= __d.count(); + return *this; + } + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator*=(const rep& __rhs) { + __rep_ *= __rhs; + return *this; + } + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator/=(const rep& __rhs) { + __rep_ /= __rhs; + return *this; + } + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator%=(const rep& __rhs) { + __rep_ %= __rhs; + return *this; + } + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator%=(const duration& __rhs) { + __rep_ %= __rhs.count(); + return *this; + } + + // special values + + [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR duration zero() _NOEXCEPT { + return duration(duration_values<rep>::zero()); + } + [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR duration min() _NOEXCEPT { + return duration(duration_values<rep>::min()); + } + [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR duration max() _NOEXCEPT { + return duration(duration_values<rep>::max()); + } +}; + +typedef duration<long long, nano> nanoseconds; +typedef duration<long long, micro> microseconds; +typedef duration<long long, milli> milliseconds; +typedef duration<long long > seconds; +typedef duration<long, ratio<60> > minutes; +typedef duration<long, ratio<60 * 60> > hours; +#if _LIBCPP_STD_VER >= 20 +typedef duration<int, ratio<60 * 60 * 24>> days; +typedef duration<int, ratio<60 * 60 * 24 * 7>> weeks; +typedef duration<int, ratio<static_cast<int>(365.2425 * 60 * 60 * 24)>> years; +typedef duration<int, ratio<static_cast<int>(365.2425 * 60 * 60 * 24) / 12>> months; +#endif +// Duration == + +template <class _LhsDuration, class _RhsDuration> +struct __duration_eq { + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool operator()(const _LhsDuration& __lhs, const _RhsDuration& __rhs) const { + typedef typename common_type<_LhsDuration, _RhsDuration>::type _Ct; + return _Ct(__lhs).count() == _Ct(__rhs).count(); + } +}; + +template <class _LhsDuration> +struct __duration_eq<_LhsDuration, _LhsDuration> { + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool operator()(const _LhsDuration& __lhs, const _LhsDuration& __rhs) const { + return __lhs.count() == __rhs.count(); + } +}; + +template <class _Rep1, class _Period1, class _Rep2, class _Period2> +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool +operator==(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { + return __duration_eq<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >()(__lhs, __rhs); +} + +#if _LIBCPP_STD_VER <= 17 + +// Duration != + +template <class _Rep1, class _Period1, class _Rep2, class _Period2> +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool +operator!=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { + return !(__lhs == __rhs); +} + +#endif // _LIBCPP_STD_VER <= 17 + +// Duration < + +template <class _LhsDuration, class _RhsDuration> +struct __duration_lt { + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool operator()(const _LhsDuration& __lhs, const _RhsDuration& __rhs) const { + typedef typename common_type<_LhsDuration, _RhsDuration>::type _Ct; + return _Ct(__lhs).count() < _Ct(__rhs).count(); + } +}; + +template <class _LhsDuration> +struct __duration_lt<_LhsDuration, _LhsDuration> { + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool operator()(const _LhsDuration& __lhs, const _LhsDuration& __rhs) const { + return __lhs.count() < __rhs.count(); + } +}; + +template <class _Rep1, class _Period1, class _Rep2, class _Period2> +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool +operator<(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { + return __duration_lt<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >()(__lhs, __rhs); +} + +// Duration > + +template <class _Rep1, class _Period1, class _Rep2, class _Period2> +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool +operator>(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { + return __rhs < __lhs; +} + +// Duration <= + +template <class _Rep1, class _Period1, class _Rep2, class _Period2> +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool +operator<=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { + return !(__rhs < __lhs); +} + +// Duration >= + +template <class _Rep1, class _Period1, class _Rep2, class _Period2> +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR bool +operator>=(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { + return !(__lhs < __rhs); +} + +#if _LIBCPP_STD_VER >= 20 + +template <class _Rep1, class _Period1, class _Rep2, class _Period2> + requires three_way_comparable<common_type_t<_Rep1, _Rep2>> +_LIBCPP_HIDE_FROM_ABI constexpr auto +operator<=>(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { + using _Ct = common_type_t<duration<_Rep1, _Period1>, duration<_Rep2, _Period2>>; + return _Ct(__lhs).count() <=> _Ct(__rhs).count(); +} + +#endif // _LIBCPP_STD_VER >= 20 + +// Duration + + +template <class _Rep1, class _Period1, class _Rep2, class _Period2> +[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR +typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type +operator+(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { + typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Cd; + return _Cd(_Cd(__lhs).count() + _Cd(__rhs).count()); +} + +// Duration - + +template <class _Rep1, class _Period1, class _Rep2, class _Period2> +[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR +typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type +operator-(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { + typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Cd; + return _Cd(_Cd(__lhs).count() - _Cd(__rhs).count()); +} + +// Duration * + +template <class _Rep1, + class _Period, + class _Rep2, + __enable_if_t<is_convertible<const _Rep2&, typename common_type<_Rep1, _Rep2>::type>::value, int> = 0> +[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI +_LIBCPP_CONSTEXPR duration<typename common_type<_Rep1, _Rep2>::type, _Period> +operator*(const duration<_Rep1, _Period>& __d, const _Rep2& __s) { + typedef typename common_type<_Rep1, _Rep2>::type _Cr; + typedef duration<_Cr, _Period> _Cd; + return _Cd(_Cd(__d).count() * static_cast<_Cr>(__s)); +} + +template <class _Rep1, + class _Period, + class _Rep2, + __enable_if_t<is_convertible<const _Rep1&, typename common_type<_Rep1, _Rep2>::type>::value, int> = 0> +[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI +_LIBCPP_CONSTEXPR duration<typename common_type<_Rep1, _Rep2>::type, _Period> +operator*(const _Rep1& __s, const duration<_Rep2, _Period>& __d) { + return __d * __s; +} + +// Duration / + +template <class _Rep1, + class _Period, + class _Rep2, + __enable_if_t<!__is_duration_v<_Rep2> && + is_convertible<const _Rep2&, typename common_type<_Rep1, _Rep2>::type>::value, + int> = 0> +[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI +_LIBCPP_CONSTEXPR duration<typename common_type<_Rep1, _Rep2>::type, _Period> +operator/(const duration<_Rep1, _Period>& __d, const _Rep2& __s) { + typedef typename common_type<_Rep1, _Rep2>::type _Cr; + typedef duration<_Cr, _Period> _Cd; + return _Cd(_Cd(__d).count() / static_cast<_Cr>(__s)); +} + +template <class _Rep1, class _Period1, class _Rep2, class _Period2> +[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR typename common_type<_Rep1, _Rep2>::type +operator/(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { + typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Ct; + return _Ct(__lhs).count() / _Ct(__rhs).count(); +} + +// Duration % + +template <class _Rep1, + class _Period, + class _Rep2, + __enable_if_t<!__is_duration_v<_Rep2> && + is_convertible<const _Rep2&, typename common_type<_Rep1, _Rep2>::type>::value, + int> = 0> +[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI +_LIBCPP_CONSTEXPR duration<typename common_type<_Rep1, _Rep2>::type, _Period> +operator%(const duration<_Rep1, _Period>& __d, const _Rep2& __s) { + typedef typename common_type<_Rep1, _Rep2>::type _Cr; + typedef duration<_Cr, _Period> _Cd; + return _Cd(_Cd(__d).count() % static_cast<_Cr>(__s)); +} + +template <class _Rep1, class _Period1, class _Rep2, class _Period2> +[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR +typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type +operator%(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { + typedef typename common_type<_Rep1, _Rep2>::type _Cr; + typedef typename common_type<duration<_Rep1, _Period1>, duration<_Rep2, _Period2> >::type _Cd; + return _Cd(static_cast<_Cr>(_Cd(__lhs).count()) % static_cast<_Cr>(_Cd(__rhs).count())); +} + +} // namespace chrono + +#if _LIBCPP_STD_VER >= 14 +// Suffixes for duration literals [time.duration.literals] +inline namespace literals { +inline namespace chrono_literals { + +[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI constexpr chrono::hours operator""h(unsigned long long __h) { + return chrono::hours(static_cast<chrono::hours::rep>(__h)); +} + +[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI constexpr chrono::duration<long double, ratio<3600, 1>> +operator""h(long double __h) { + return chrono::duration<long double, ratio<3600, 1>>(__h); +} + +[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI constexpr chrono::minutes operator""min(unsigned long long __m) { + return chrono::minutes(static_cast<chrono::minutes::rep>(__m)); +} + +[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI constexpr chrono::duration<long double, ratio<60, 1>> +operator""min(long double __m) { + return chrono::duration<long double, ratio<60, 1>>(__m); +} + +[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI constexpr chrono::seconds operator""s(unsigned long long __s) { + return chrono::seconds(static_cast<chrono::seconds::rep>(__s)); +} + +[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI constexpr chrono::duration<long double> operator""s(long double __s) { + return chrono::duration<long double>(__s); +} + +[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI constexpr chrono::milliseconds operator""ms(unsigned long long __ms) { + return chrono::milliseconds(static_cast<chrono::milliseconds::rep>(__ms)); +} + +[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI constexpr chrono::duration<long double, milli> operator""ms(long double __ms) { + return chrono::duration<long double, milli>(__ms); +} + +[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI constexpr chrono::microseconds operator""us(unsigned long long __us) { + return chrono::microseconds(static_cast<chrono::microseconds::rep>(__us)); +} + +[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI constexpr chrono::duration<long double, micro> operator""us(long double __us) { + return chrono::duration<long double, micro>(__us); +} + +[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI constexpr chrono::nanoseconds operator""ns(unsigned long long __ns) { + return chrono::nanoseconds(static_cast<chrono::nanoseconds::rep>(__ns)); +} + +[[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI constexpr chrono::duration<long double, nano> operator""ns(long double __ns) { + return chrono::duration<long double, nano>(__ns); +} + +} // namespace chrono_literals +} // namespace literals + +namespace chrono { // hoist the literals into namespace std::chrono +using namespace literals::chrono_literals; +} // namespace chrono + +#endif // _LIBCPP_STD_VER >= 14 + +#if _LIBCPP_STD_VER >= 26 + +template <class _Rep, class _Period> + requires __has_enabled_hash<_Rep>::value +struct hash<chrono::duration<_Rep, _Period>> { + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static size_t operator()(const chrono::duration<_Rep, _Period>& __d) { + return hash<_Rep>{}(__d.count()); + } +}; + +#endif // _LIBCPP_STD_VER >= 26 + +_LIBCPP_END_NAMESPACE_STD + +_LIBCPP_POP_MACROS + +#endif // _LIBCPP___CHRONO_DURATION_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/exception.h b/third_party/libcxx/include/c++/v1/__chrono/exception.h new file mode 100644 index 0000000..1eb5b1b --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/exception.h @@ -0,0 +1,135 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +// For information see https://libcxx.llvm.org/DesignDocs/TimeZone.html + +#ifndef _LIBCPP___CHRONO_EXCEPTION_H +#define _LIBCPP___CHRONO_EXCEPTION_H + +#include <version> +// Enable the contents of the header only when libc++ was built with experimental features enabled. +#if _LIBCPP_HAS_EXPERIMENTAL_TZDB + +# include <__chrono/calendar.h> +# include <__chrono/local_info.h> +# include <__chrono/time_point.h> +# include <__config> +# include <__configuration/availability.h> +# include <__verbose_abort> +# include <format> +# include <stdexcept> +# include <string> + +# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +# endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +# if _LIBCPP_STD_VER >= 20 + +namespace chrono { + +class nonexistent_local_time : public runtime_error { +public: + template <class _Duration> + _LIBCPP_HIDE_FROM_ABI nonexistent_local_time(const local_time<_Duration>& __time, const local_info& __info) + : runtime_error{__create_message(__time, __info)} { + // [time.zone.exception.nonexist]/2 + // Preconditions: i.result == local_info::nonexistent is true. + // The value of __info.result is not used. + _LIBCPP_ASSERT_PEDANTIC(__info.result == local_info::nonexistent, + "creating an nonexistent_local_time from a local_info that is not non-existent"); + } + + _LIBCPP_HIDE_FROM_ABI nonexistent_local_time(const nonexistent_local_time&) = default; + _LIBCPP_HIDE_FROM_ABI nonexistent_local_time& operator=(const nonexistent_local_time&) = default; + + _LIBCPP_AVAILABILITY_TZDB _LIBCPP_EXPORTED_FROM_ABI ~nonexistent_local_time() override; // exported as key function + +private: + template <class _Duration> + _LIBCPP_HIDE_FROM_ABI string __create_message(const local_time<_Duration>& __time, const local_info& __info) { + return std::format( + R"({} is in a gap between +{} {} and +{} {} which are both equivalent to +{} UTC)", + __time, + local_seconds{__info.first.end.time_since_epoch()} + __info.first.offset, + __info.first.abbrev, + local_seconds{__info.second.begin.time_since_epoch()} + __info.second.offset, + __info.second.abbrev, + __info.first.end); + } +}; + +template <class _Duration> +[[noreturn]] _LIBCPP_AVAILABILITY_TZDB _LIBCPP_HIDE_FROM_ABI void __throw_nonexistent_local_time( + [[maybe_unused]] const local_time<_Duration>& __time, [[maybe_unused]] const local_info& __info) { +# if _LIBCPP_HAS_EXCEPTIONS + throw nonexistent_local_time(__time, __info); +# else + _LIBCPP_VERBOSE_ABORT("nonexistent_local_time was thrown in -fno-exceptions mode"); +# endif +} + +class ambiguous_local_time : public runtime_error { +public: + template <class _Duration> + _LIBCPP_HIDE_FROM_ABI ambiguous_local_time(const local_time<_Duration>& __time, const local_info& __info) + : runtime_error{__create_message(__time, __info)} { + // [time.zone.exception.ambig]/2 + // Preconditions: i.result == local_info::ambiguous is true. + // The value of __info.result is not used. + _LIBCPP_ASSERT_PEDANTIC(__info.result == local_info::ambiguous, + "creating an ambiguous_local_time from a local_info that is not ambiguous"); + } + + _LIBCPP_HIDE_FROM_ABI ambiguous_local_time(const ambiguous_local_time&) = default; + _LIBCPP_HIDE_FROM_ABI ambiguous_local_time& operator=(const ambiguous_local_time&) = default; + + _LIBCPP_AVAILABILITY_TZDB _LIBCPP_EXPORTED_FROM_ABI ~ambiguous_local_time() override; // exported as key function + +private: + template <class _Duration> + _LIBCPP_HIDE_FROM_ABI string __create_message(const local_time<_Duration>& __time, const local_info& __info) { + return std::format( + // There are two spaces after the full-stop; this has been verified + // in the sources of the Standard. + R"({0} is ambiguous. It could be +{0} {1} == {2} UTC or +{0} {3} == {4} UTC)", + __time, + __info.first.abbrev, + __time - __info.first.offset, + __info.second.abbrev, + __time - __info.second.offset); + } +}; + +template <class _Duration> +[[noreturn]] _LIBCPP_AVAILABILITY_TZDB _LIBCPP_HIDE_FROM_ABI void __throw_ambiguous_local_time( + [[maybe_unused]] const local_time<_Duration>& __time, [[maybe_unused]] const local_info& __info) { +# if _LIBCPP_HAS_EXCEPTIONS + throw ambiguous_local_time(__time, __info); +# else + _LIBCPP_VERBOSE_ABORT("ambiguous_local_time was thrown in -fno-exceptions mode"); +# endif +} + +} // namespace chrono + +# endif // _LIBCPP_STD_VER >= 20 + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB + +#endif // _LIBCPP___CHRONO_EXCEPTION_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/file_clock.h b/third_party/libcxx/include/c++/v1/__chrono/file_clock.h new file mode 100644 index 0000000..968f652 --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/file_clock.h @@ -0,0 +1,82 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_FILE_CLOCK_H +#define _LIBCPP___CHRONO_FILE_CLOCK_H + +#include <__chrono/duration.h> +#include <__chrono/system_clock.h> +#include <__chrono/time_point.h> +#include <__config> +#include <ratio> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +#ifndef _LIBCPP_CXX03_LANG +_LIBCPP_BEGIN_NAMESPACE_FILESYSTEM +struct _FilesystemClock; +_LIBCPP_END_NAMESPACE_FILESYSTEM +#endif // !_LIBCPP_CXX03_LANG + +#if _LIBCPP_STD_VER >= 20 + +_LIBCPP_BEGIN_NAMESPACE_STD + +namespace chrono { + +// [time.clock.file], type file_clock +using file_clock = filesystem::_FilesystemClock; + +template <class _Duration> +using file_time = time_point<file_clock, _Duration>; + +} // namespace chrono + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_STD_VER >= 20 + +#ifndef _LIBCPP_CXX03_LANG +_LIBCPP_BEGIN_NAMESPACE_FILESYSTEM +struct _FilesystemClock { +# if _LIBCPP_HAS_INT128 + typedef __int128_t rep; + typedef nano period; +# else + typedef long long rep; + typedef nano period; +# endif + + typedef chrono::duration<rep, period> duration; + typedef chrono::time_point<_FilesystemClock> time_point; + + _LIBCPP_EXPORTED_FROM_ABI static _LIBCPP_CONSTEXPR_SINCE_CXX14 const bool is_steady = false; + + [[__nodiscard__]] _LIBCPP_EXPORTED_FROM_ABI static time_point now() noexcept; + +# if _LIBCPP_STD_VER >= 20 + template <class _Duration> + [[nodiscard]] + _LIBCPP_HIDE_FROM_ABI static chrono::sys_time<_Duration> to_sys(const chrono::file_time<_Duration>& __t) { + return chrono::sys_time<_Duration>(__t.time_since_epoch()); + } + + template <class _Duration> + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static chrono::file_time<_Duration> + from_sys(const chrono::sys_time<_Duration>& __t) { + return chrono::file_time<_Duration>(__t.time_since_epoch()); + } +# endif // _LIBCPP_STD_VER >= 20 +}; +_LIBCPP_END_NAMESPACE_FILESYSTEM +#endif // !_LIBCPP_CXX03_LANG + +#endif // _LIBCPP___CHRONO_FILE_CLOCK_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/formatter.h b/third_party/libcxx/include/c++/v1/__chrono/formatter.h new file mode 100644 index 0000000..4975839 --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/formatter.h @@ -0,0 +1,1035 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_FORMATTER_H +#define _LIBCPP___CHRONO_FORMATTER_H + +#include <__config> + +#if _LIBCPP_HAS_LOCALIZATION + +# include <__algorithm/ranges_copy.h> +# include <__chrono/calendar.h> +# include <__chrono/concepts.h> +# include <__chrono/convert_to_tm.h> +# include <__chrono/day.h> +# include <__chrono/duration.h> +# include <__chrono/file_clock.h> +# include <__chrono/gps_clock.h> +# include <__chrono/hh_mm_ss.h> +# include <__chrono/local_info.h> +# include <__chrono/month.h> +# include <__chrono/month_weekday.h> +# include <__chrono/monthday.h> +# include <__chrono/ostream.h> +# include <__chrono/parser_std_format_spec.h> +# include <__chrono/statically_widen.h> +# include <__chrono/sys_info.h> +# include <__chrono/system_clock.h> +# include <__chrono/tai_clock.h> +# include <__chrono/time_point.h> +# include <__chrono/utc_clock.h> +# include <__chrono/weekday.h> +# include <__chrono/year.h> +# include <__chrono/year_month.h> +# include <__chrono/year_month_day.h> +# include <__chrono/year_month_weekday.h> +# include <__chrono/zoned_time.h> +# include <__concepts/arithmetic.h> +# include <__concepts/same_as.h> +# include <__format/concepts.h> +# include <__format/format_error.h> +# include <__format/format_functions.h> +# include <__format/format_parse_context.h> +# include <__format/formatter.h> +# include <__format/parser_std_format_spec.h> +# include <__format/write_escaped.h> +# include <__iterator/istreambuf_iterator.h> +# include <__iterator/ostreambuf_iterator.h> +# include <__locale_dir/time.h> +# include <__memory/addressof.h> +# include <__type_traits/is_specialization.h> +# include <cmath> +# include <ctime> +# include <limits> +# include <sstream> +# include <string_view> + +# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +# endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +# if _LIBCPP_STD_VER >= 20 + +namespace __formatter { + +/// Formats a time based on a tm struct. +/// +/// This formatter passes the formatting to time_put which uses strftime. When +/// the value is outside the valid range it's unspecified what strftime will +/// output. For example weekday 8 can print 1 when the day is processed modulo +/// 7 since that handles the Sunday for 0-based weekday. It can also print 8 if +/// 7 is handled as a special case. +/// +/// The Standard doesn't specify what to do in this case so the result depends +/// on the result of the underlying code. +/// +/// \pre When the (abbreviated) weekday or month name are used, the caller +/// validates whether the value is valid. So the caller handles that +/// requirement of Table 97: Meaning of conversion specifiers +/// [tab:time.format.spec]. +/// +/// When no chrono-specs are provided it uses the stream formatter. + +// For tiny ratios it's not possible to convert a duration to a hh_mm_ss. This +// fails compile-time due to the limited precision of the ratio (64-bit is too +// small). Therefore a duration uses its own conversion. +template <class _CharT, class _Rep, class _Period> +_LIBCPP_HIDE_FROM_ABI void +__format_sub_seconds(basic_stringstream<_CharT>& __sstr, const chrono::duration<_Rep, _Period>& __value) { + __sstr << std::use_facet<numpunct<_CharT>>(__sstr.getloc()).decimal_point(); + + using __duration = chrono::duration<_Rep, _Period>; + + auto __fraction = __value - chrono::duration_cast<chrono::seconds>(__value); + // Converts a negative fraction to its positive value. + if (__value < chrono::seconds{0} && __fraction != __duration{0}) + __fraction += chrono::seconds{1}; + if constexpr (chrono::treat_as_floating_point_v<_Rep>) + // When the floating-point value has digits itself they are ignored based + // on the wording in [tab:time.format.spec] + // If the precision of the input cannot be exactly represented with + // seconds, then the format is a decimal floating-point number with a + // fixed format and a precision matching that of the precision of the + // input (or to a microseconds precision if the conversion to + // floating-point decimal seconds cannot be made within 18 fractional + // digits). + // + // This matches the behaviour of MSVC STL, fmtlib interprets this + // differently and uses 3 decimals. + // https://godbolt.org/z/6dsbnW8ba + std::format_to(std::ostreambuf_iterator<_CharT>{__sstr}, + _LIBCPP_STATICALLY_WIDEN(_CharT, "{:0{}.0f}"), + chrono::duration_cast<typename chrono::hh_mm_ss<__duration>::precision>(__fraction).count(), + chrono::hh_mm_ss<__duration>::fractional_width); + else + std::format_to(std::ostreambuf_iterator<_CharT>{__sstr}, + _LIBCPP_STATICALLY_WIDEN(_CharT, "{:0{}}"), + chrono::duration_cast<typename chrono::hh_mm_ss<__duration>::precision>(__fraction).count(), + chrono::hh_mm_ss<__duration>::fractional_width); +} + +template <class _CharT, __is_time_point _Tp> +_LIBCPP_HIDE_FROM_ABI void __format_sub_seconds(basic_stringstream<_CharT>& __sstr, const _Tp& __value) { + __formatter::__format_sub_seconds(__sstr, __value.time_since_epoch()); +} + +template <class _CharT, class _Duration> +_LIBCPP_HIDE_FROM_ABI void +__format_sub_seconds(basic_stringstream<_CharT>& __sstr, const chrono::hh_mm_ss<_Duration>& __value) { + __sstr << std::use_facet<numpunct<_CharT>>(__sstr.getloc()).decimal_point(); + if constexpr (chrono::treat_as_floating_point_v<typename _Duration::rep>) + std::format_to(std::ostreambuf_iterator<_CharT>{__sstr}, + _LIBCPP_STATICALLY_WIDEN(_CharT, "{:0{}.0f}"), + __value.subseconds().count(), + __value.fractional_width); + else + std::format_to(std::ostreambuf_iterator<_CharT>{__sstr}, + _LIBCPP_STATICALLY_WIDEN(_CharT, "{:0{}}"), + __value.subseconds().count(), + __value.fractional_width); +} + +# if _LIBCPP_HAS_EXPERIMENTAL_TZDB && _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM +template <class _CharT, class _Duration, class _TimeZonePtr> +_LIBCPP_HIDE_FROM_ABI void +__format_sub_seconds(basic_stringstream<_CharT>& __sstr, const chrono::zoned_time<_Duration, _TimeZonePtr>& __value) { + __formatter::__format_sub_seconds(__sstr, __value.get_local_time().time_since_epoch()); +} +# endif + +template <class _Tp> +consteval bool __use_fraction() { + if constexpr (__is_time_point<_Tp>) + return chrono::hh_mm_ss<typename _Tp::duration>::fractional_width; +# if _LIBCPP_HAS_EXPERIMENTAL_TZDB && _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM + else if constexpr (__is_specialization_v<_Tp, chrono::zoned_time>) + return chrono::hh_mm_ss<typename _Tp::duration>::fractional_width; +# endif + else if constexpr (chrono::__is_duration_v<_Tp>) + return chrono::hh_mm_ss<_Tp>::fractional_width; + else if constexpr (__is_hh_mm_ss<_Tp>) + return _Tp::fractional_width; + else + return false; +} + +template <class _CharT> +_LIBCPP_HIDE_FROM_ABI void __format_year(basic_stringstream<_CharT>& __sstr, int __year) { + if (__year < 0) { + __sstr << _CharT('-'); + __year = -__year; + } + + // TODO FMT Write an issue + // If the result has less than four digits it is zero-padded with 0 to two digits. + // is less -> has less + // left-padded -> zero-padded, otherwise the proper value would be 000-0. + + // Note according to the wording it should be left padded, which is odd. + __sstr << std::format(_LIBCPP_STATICALLY_WIDEN(_CharT, "{:04}"), __year); +} + +template <class _CharT> +_LIBCPP_HIDE_FROM_ABI void __format_century(basic_stringstream<_CharT>& __sstr, int __year) { + // TODO FMT Write an issue + // [tab:time.format.spec] + // %C The year divided by 100 using floored division. If the result is a + // single decimal digit, it is prefixed with 0. + + bool __negative = __year < 0; + int __century = (__year - (99 * __negative)) / 100; // floored division + __sstr << std::format(_LIBCPP_STATICALLY_WIDEN(_CharT, "{:02}"), __century); +} + +// Implements the %z format specifier according to [tab:time.format.spec], where +// '__modifier' signals %Oz or %Ez were used. (Both modifiers behave the same, +// so there is no need to distinguish between them.) +template <class _CharT> +_LIBCPP_HIDE_FROM_ABI void +__format_zone_offset(basic_stringstream<_CharT>& __sstr, chrono::seconds __offset, bool __modifier) { + if (__offset < 0s) { + __sstr << _CharT('-'); + __offset = -__offset; + } else { + __sstr << _CharT('+'); + } + + chrono::hh_mm_ss __hms{__offset}; + std::ostreambuf_iterator<_CharT> __out_it{__sstr}; + // Note HMS does not allow formatting hours > 23, but the offset is not limited to 24H. + std::format_to(__out_it, _LIBCPP_STATICALLY_WIDEN(_CharT, "{:02}"), __hms.hours().count()); + if (__modifier) + __sstr << _CharT(':'); + std::format_to(__out_it, _LIBCPP_STATICALLY_WIDEN(_CharT, "{:02}"), __hms.minutes().count()); +} + +// Helper to store the time zone information needed for formatting. +struct _LIBCPP_HIDE_FROM_ABI __time_zone { + // Typically these abbreviations are short and fit in the string's internal + // buffer. + string __abbrev; + chrono::seconds __offset; +}; + +template <class _Tp> +_LIBCPP_HIDE_FROM_ABI __time_zone __convert_to_time_zone([[maybe_unused]] const _Tp& __value) { +# if _LIBCPP_HAS_EXPERIMENTAL_TZDB + if constexpr (same_as<_Tp, chrono::sys_info>) + return {__value.abbrev, __value.offset}; +# if _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM + else if constexpr (__is_time_point<_Tp> && requires { requires same_as<typename _Tp::clock, chrono::tai_clock>; }) + return {"TAI", chrono::seconds{0}}; + else if constexpr (__is_time_point<_Tp> && requires { requires same_as<typename _Tp::clock, chrono::gps_clock>; }) + return {"GPS", chrono::seconds{0}}; + else if constexpr (__is_specialization_v<_Tp, chrono::zoned_time>) + return __formatter::__convert_to_time_zone(__value.get_info()); +# endif // _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM + else +# endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB + return {"UTC", chrono::seconds{0}}; +} + +template <class _CharT, class _Tp> +_LIBCPP_HIDE_FROM_ABI void __format_chrono_using_chrono_specs( + basic_stringstream<_CharT>& __sstr, const _Tp& __value, basic_string_view<_CharT> __chrono_specs) { + tm __t = std::__convert_to_tm<tm>(__value); + __time_zone __z = __formatter::__convert_to_time_zone(__value); + const auto& __facet = std::use_facet<time_put<_CharT>>(__sstr.getloc()); + for (auto __it = __chrono_specs.begin(); __it != __chrono_specs.end(); ++__it) { + if (*__it == _CharT('%')) { + auto __s = __it; + ++__it; + // We only handle the types that can't be directly handled by time_put. + // (as an optimization n, t, and % are also handled directly.) + switch (*__it) { + case _CharT('n'): + __sstr << _CharT('\n'); + break; + case _CharT('t'): + __sstr << _CharT('\t'); + break; + case _CharT('%'): + __sstr << *__it; + break; + + case _CharT('C'): { + // strftime's output is only defined in the range [00, 99]. + int __year = __t.tm_year + 1900; + if (__year < 1000 || __year > 9999) + __formatter::__format_century(__sstr, __year); + else + __facet.put( + {__sstr}, __sstr, _CharT(' '), std::addressof(__t), std::to_address(__s), std::to_address(__it + 1)); + } break; + + case _CharT('j'): + if constexpr (chrono::__is_duration_v<_Tp>) + // Converting a duration where the period has a small ratio to days + // may fail to compile. This due to loss of precision in the + // conversion. In order to avoid that issue convert to seconds as + // an intemediate step. + __sstr << chrono::duration_cast<chrono::days>(chrono::duration_cast<chrono::seconds>(__value)).count(); + else + __facet.put( + {__sstr}, __sstr, _CharT(' '), std::addressof(__t), std::to_address(__s), std::to_address(__it + 1)); + break; + + case _CharT('q'): + if constexpr (chrono::__is_duration_v<_Tp>) { + __sstr << chrono::__units_suffix<_CharT, typename _Tp::period>(); + break; + } + __builtin_unreachable(); + + case _CharT('Q'): + // TODO FMT Determine the proper ideas + // - Should it honour the precision? + // - Shoult it honour the locale setting for the separators? + // The wording for Q doesn't use the word locale and the effect of + // precision is unspecified. + // + // MSVC STL ignores precision but uses separator + // FMT honours precision and has a bug for separator + // https://godbolt.org/z/78b7sMxns + if constexpr (chrono::__is_duration_v<_Tp>) { + __sstr << std::format(_LIBCPP_STATICALLY_WIDEN(_CharT, "{}"), __value.count()); + break; + } + __builtin_unreachable(); + + case _CharT('S'): + case _CharT('T'): + __facet.put( + {__sstr}, __sstr, _CharT(' '), std::addressof(__t), std::to_address(__s), std::to_address(__it + 1)); + if constexpr (__formatter::__use_fraction<_Tp>()) + __formatter::__format_sub_seconds(__sstr, __value); + break; + + // Unlike time_put and strftime the formatting library requires %Y + // + // [tab:time.format.spec] + // The year as a decimal number. If the result is less than four digits + // it is left-padded with 0 to four digits. + // + // This means years in the range (-1000, 1000) need manual formatting. + // It's unclear whether %EY needs the same treatment. For example the + // Japanese EY contains the era name and year. This is zero-padded to 2 + // digits in time_put (note that older glibc versions didn't do + // padding.) However most eras won't reach 100 years, let alone 1000. + // So padding to 4 digits seems unwanted for Japanese. + // + // The same applies to %Ex since that too depends on the era. + // + // %x the locale's date representation is currently doesn't handle the + // zero-padding too. + // + // The 4 digits can be implemented better at a later time. On POSIX + // systems the required information can be extracted by nl_langinfo + // https://man7.org/linux/man-pages/man3/nl_langinfo.3.html + // + // Note since year < -1000 is expected to be rare it uses the more + // expensive year routine. + // + // TODO FMT evaluate the comment above. + +# if defined(__GLIBC__) || defined(_AIX) || defined(_WIN32) + case _CharT('y'): + // Glibc fails for negative values, AIX for positive values too. + __sstr << std::format(_LIBCPP_STATICALLY_WIDEN(_CharT, "{:02}"), (std::abs(__t.tm_year + 1900)) % 100); + break; +# endif // defined(__GLIBC__) || defined(_AIX) || defined(_WIN32) + + case _CharT('Y'): + // Depending on the platform's libc the range of supported years is + // limited. Instead of of testing all conditions use the internal + // implementation unconditionally. + __formatter::__format_year(__sstr, __t.tm_year + 1900); + break; + + case _CharT('F'): + // Depending on the platform's libc the range of supported years is + // limited. Instead of testing all conditions use the internal + // implementation unconditionally. + __formatter::__format_year(__sstr, __t.tm_year + 1900); + __sstr << std::format(_LIBCPP_STATICALLY_WIDEN(_CharT, "-{:02}-{:02}"), __t.tm_mon + 1, __t.tm_mday); + break; + + case _CharT('z'): + __formatter::__format_zone_offset(__sstr, __z.__offset, false); + break; + + case _CharT('Z'): + // __abbrev is always a char so the copy may convert. + ranges::copy(__z.__abbrev, std::ostreambuf_iterator<_CharT>{__sstr}); + break; + + case _CharT('O'): + if constexpr (__formatter::__use_fraction<_Tp>()) { + // Handle OS using the normal representation for the non-fractional + // part. There seems to be no locale information regarding how the + // fractional part should be formatted. + if (*(__it + 1) == 'S') { + ++__it; + __facet.put( + {__sstr}, __sstr, _CharT(' '), std::addressof(__t), std::to_address(__s), std::to_address(__it + 1)); + __formatter::__format_sub_seconds(__sstr, __value); + break; + } + } + + // Oz produces the same output as Ez below. + [[fallthrough]]; + case _CharT('E'): + ++__it; + if (*__it == 'z') { + __formatter::__format_zone_offset(__sstr, __z.__offset, true); + break; + } + [[fallthrough]]; + default: + __facet.put( + {__sstr}, __sstr, _CharT(' '), std::addressof(__t), std::to_address(__s), std::to_address(__it + 1)); + break; + } + } else { + __sstr << *__it; + } + } +} + +template <class _Tp> +_LIBCPP_HIDE_FROM_ABI constexpr bool __weekday_ok(const _Tp& __value) { + if constexpr (__is_time_point<_Tp>) + return true; + else if constexpr (same_as<_Tp, chrono::day>) + return true; + else if constexpr (same_as<_Tp, chrono::month>) + return __value.ok(); + else if constexpr (same_as<_Tp, chrono::year>) + return true; + else if constexpr (same_as<_Tp, chrono::weekday>) + return true; + else if constexpr (same_as<_Tp, chrono::weekday_indexed>) + return true; + else if constexpr (same_as<_Tp, chrono::weekday_last>) + return true; + else if constexpr (same_as<_Tp, chrono::month_day>) + return true; + else if constexpr (same_as<_Tp, chrono::month_day_last>) + return true; + else if constexpr (same_as<_Tp, chrono::month_weekday>) + return true; + else if constexpr (same_as<_Tp, chrono::month_weekday_last>) + return true; + else if constexpr (same_as<_Tp, chrono::year_month>) + return true; + else if constexpr (same_as<_Tp, chrono::year_month_day>) + return __value.ok(); + else if constexpr (same_as<_Tp, chrono::year_month_day_last>) + return __value.ok(); + else if constexpr (same_as<_Tp, chrono::year_month_weekday>) + return __value.weekday().ok(); + else if constexpr (same_as<_Tp, chrono::year_month_weekday_last>) + return __value.weekday().ok(); + else if constexpr (__is_hh_mm_ss<_Tp>) + return true; +# if _LIBCPP_HAS_EXPERIMENTAL_TZDB + else if constexpr (same_as<_Tp, chrono::sys_info>) + return true; + else if constexpr (same_as<_Tp, chrono::local_info>) + return true; +# if _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM + else if constexpr (__is_specialization_v<_Tp, chrono::zoned_time>) + return true; +# endif +# endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB + else + static_assert(sizeof(_Tp) == 0, "Add the missing type specialization"); +} + +template <class _Tp> +_LIBCPP_HIDE_FROM_ABI constexpr bool __weekday_name_ok(const _Tp& __value) { + if constexpr (__is_time_point<_Tp>) + return true; + else if constexpr (same_as<_Tp, chrono::day>) + return true; + else if constexpr (same_as<_Tp, chrono::month>) + return __value.ok(); + else if constexpr (same_as<_Tp, chrono::year>) + return true; + else if constexpr (same_as<_Tp, chrono::weekday>) + return __value.ok(); + else if constexpr (same_as<_Tp, chrono::weekday_indexed>) + return __value.weekday().ok(); + else if constexpr (same_as<_Tp, chrono::weekday_last>) + return __value.weekday().ok(); + else if constexpr (same_as<_Tp, chrono::month_day>) + return true; + else if constexpr (same_as<_Tp, chrono::month_day_last>) + return true; + else if constexpr (same_as<_Tp, chrono::month_weekday>) + return __value.weekday_indexed().ok(); + else if constexpr (same_as<_Tp, chrono::month_weekday_last>) + return __value.weekday_indexed().ok(); + else if constexpr (same_as<_Tp, chrono::year_month>) + return true; + else if constexpr (same_as<_Tp, chrono::year_month_day>) + return __value.ok(); + else if constexpr (same_as<_Tp, chrono::year_month_day_last>) + return __value.ok(); + else if constexpr (same_as<_Tp, chrono::year_month_weekday>) + return __value.weekday().ok(); + else if constexpr (same_as<_Tp, chrono::year_month_weekday_last>) + return __value.weekday().ok(); + else if constexpr (__is_hh_mm_ss<_Tp>) + return true; +# if _LIBCPP_HAS_EXPERIMENTAL_TZDB + else if constexpr (same_as<_Tp, chrono::sys_info>) + return true; + else if constexpr (same_as<_Tp, chrono::local_info>) + return true; +# if _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM + else if constexpr (__is_specialization_v<_Tp, chrono::zoned_time>) + return true; +# endif +# endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB + else + static_assert(sizeof(_Tp) == 0, "Add the missing type specialization"); +} + +template <class _Tp> +_LIBCPP_HIDE_FROM_ABI constexpr bool __date_ok(const _Tp& __value) { + if constexpr (__is_time_point<_Tp>) + return true; + else if constexpr (same_as<_Tp, chrono::day>) + return true; + else if constexpr (same_as<_Tp, chrono::month>) + return __value.ok(); + else if constexpr (same_as<_Tp, chrono::year>) + return true; + else if constexpr (same_as<_Tp, chrono::weekday>) + return true; + else if constexpr (same_as<_Tp, chrono::weekday_indexed>) + return true; + else if constexpr (same_as<_Tp, chrono::weekday_last>) + return true; + else if constexpr (same_as<_Tp, chrono::month_day>) + return true; + else if constexpr (same_as<_Tp, chrono::month_day_last>) + return true; + else if constexpr (same_as<_Tp, chrono::month_weekday>) + return true; + else if constexpr (same_as<_Tp, chrono::month_weekday_last>) + return true; + else if constexpr (same_as<_Tp, chrono::year_month>) + return true; + else if constexpr (same_as<_Tp, chrono::year_month_day>) + return __value.ok(); + else if constexpr (same_as<_Tp, chrono::year_month_day_last>) + return __value.ok(); + else if constexpr (same_as<_Tp, chrono::year_month_weekday>) + return __value.ok(); + else if constexpr (same_as<_Tp, chrono::year_month_weekday_last>) + return __value.ok(); + else if constexpr (__is_hh_mm_ss<_Tp>) + return true; +# if _LIBCPP_HAS_EXPERIMENTAL_TZDB + else if constexpr (same_as<_Tp, chrono::sys_info>) + return true; + else if constexpr (same_as<_Tp, chrono::local_info>) + return true; +# if _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM + else if constexpr (__is_specialization_v<_Tp, chrono::zoned_time>) + return true; +# endif +# endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB + else + static_assert(sizeof(_Tp) == 0, "Add the missing type specialization"); +} + +template <class _Tp> +_LIBCPP_HIDE_FROM_ABI constexpr bool __month_name_ok(const _Tp& __value) { + if constexpr (__is_time_point<_Tp>) + return true; + else if constexpr (same_as<_Tp, chrono::day>) + return true; + else if constexpr (same_as<_Tp, chrono::month>) + return __value.ok(); + else if constexpr (same_as<_Tp, chrono::year>) + return true; + else if constexpr (same_as<_Tp, chrono::weekday>) + return true; + else if constexpr (same_as<_Tp, chrono::weekday_indexed>) + return true; + else if constexpr (same_as<_Tp, chrono::weekday_last>) + return true; + else if constexpr (same_as<_Tp, chrono::month_day>) + return __value.month().ok(); + else if constexpr (same_as<_Tp, chrono::month_day_last>) + return __value.month().ok(); + else if constexpr (same_as<_Tp, chrono::month_weekday>) + return __value.month().ok(); + else if constexpr (same_as<_Tp, chrono::month_weekday_last>) + return __value.month().ok(); + else if constexpr (same_as<_Tp, chrono::year_month>) + return __value.month().ok(); + else if constexpr (same_as<_Tp, chrono::year_month_day>) + return __value.month().ok(); + else if constexpr (same_as<_Tp, chrono::year_month_day_last>) + return __value.month().ok(); + else if constexpr (same_as<_Tp, chrono::year_month_weekday>) + return __value.month().ok(); + else if constexpr (same_as<_Tp, chrono::year_month_weekday_last>) + return __value.month().ok(); + else if constexpr (__is_hh_mm_ss<_Tp>) + return true; +# if _LIBCPP_HAS_EXPERIMENTAL_TZDB + else if constexpr (same_as<_Tp, chrono::sys_info>) + return true; + else if constexpr (same_as<_Tp, chrono::local_info>) + return true; +# if _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM + else if constexpr (__is_specialization_v<_Tp, chrono::zoned_time>) + return true; +# endif +# endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB + else + static_assert(sizeof(_Tp) == 0, "Add the missing type specialization"); +} + +template <class _CharT, class _Tp, class _FormatContext> +_LIBCPP_HIDE_FROM_ABI auto +__format_chrono(const _Tp& __value, + _FormatContext& __ctx, + __format_spec::__parsed_specifications<_CharT> __specs, + basic_string_view<_CharT> __chrono_specs) { + basic_stringstream<_CharT> __sstr; + // [time.format]/2 + // 2.1 - the "C" locale if the L option is not present in chrono-format-spec, otherwise + // 2.2 - the locale passed to the formatting function if any, otherwise + // 2.3 - the global locale. + // Note that the __ctx's locale() call does 2.2 and 2.3. + if (__specs.__chrono_.__locale_specific_form_) + __sstr.imbue(__ctx.locale()); + else + __sstr.imbue(locale::classic()); + + if (__chrono_specs.empty()) + __sstr << __value; + else { + if constexpr (chrono::__is_duration_v<_Tp>) { + // A duration can be a user defined arithmetic type. Users may specialize + // numeric_limits, but they may not specialize is_signed. + if constexpr (numeric_limits<typename _Tp::rep>::is_signed) { + if (__value < __value.zero()) { + __sstr << _CharT('-'); + __formatter::__format_chrono_using_chrono_specs(__sstr, -__value, __chrono_specs); + } else + __formatter::__format_chrono_using_chrono_specs(__sstr, __value, __chrono_specs); + } else + __formatter::__format_chrono_using_chrono_specs(__sstr, __value, __chrono_specs); + // TODO FMT When keeping the precision it will truncate the string. + // Note that the behaviour what the precision does isn't specified. + __specs.__precision_ = -1; + } else { + // Test __weekday_name_ before __weekday_ to give a better error. + if (__specs.__chrono_.__weekday_name_ && !__formatter::__weekday_name_ok(__value)) + std::__throw_format_error("Formatting a weekday name needs a valid weekday"); + + if (__specs.__chrono_.__weekday_ && !__formatter::__weekday_ok(__value)) + std::__throw_format_error("Formatting a weekday needs a valid weekday"); + + if (__specs.__chrono_.__day_of_year_ && !__formatter::__date_ok(__value)) + std::__throw_format_error("Formatting a day of year needs a valid date"); + + if (__specs.__chrono_.__week_of_year_ && !__formatter::__date_ok(__value)) + std::__throw_format_error("Formatting a week of year needs a valid date"); + + if (__specs.__chrono_.__month_name_ && !__formatter::__month_name_ok(__value)) + std::__throw_format_error("Formatting a month name from an invalid month number"); + + if constexpr (__is_hh_mm_ss<_Tp>) { + // Note this is a pedantic intepretation of the Standard. A hh_mm_ss + // is no longer a time_of_day and can store an arbitrary number of + // hours. A number of hours in a 12 or 24 hour clock can't represent + // 24 hours or more. The functions std::chrono::make12 and + // std::chrono::make24 reaffirm this view point. + // + // Interestingly this will be the only output stream function that + // throws. + // + // TODO FMT The wording probably needs to be adapted to + // - The displayed hours is hh_mm_ss.hours() % 24 + // - It should probably allow %j in the same fashion as duration. + // - The stream formatter should change its output when hours >= 24 + // - Write it as not valid, + // - or write the number of days. + if (__specs.__chrono_.__hour_ && __value.hours().count() > 23) + std::__throw_format_error("Formatting a hour needs a valid value"); + + if (__value.is_negative()) + __sstr << _CharT('-'); + } + + __formatter::__format_chrono_using_chrono_specs(__sstr, __value, __chrono_specs); + } + } + + return __formatter::__write_string(__sstr.view(), __ctx.out(), __specs); +} + +} // namespace __formatter + +template <__fmt_char_type _CharT> +struct __formatter_chrono { +public: + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator + __parse(_ParseContext& __ctx, __format_spec::__fields __fields, __format_spec::__flags __flags) { + return __parser_.__parse(__ctx, __fields, __flags); + } + + template <class _Tp, class _FormatContext> + _LIBCPP_HIDE_FROM_ABI typename _FormatContext::iterator format(const _Tp& __value, _FormatContext& __ctx) const { + return __formatter::__format_chrono( + __value, __ctx, __parser_.__parser_.__get_parsed_chrono_specifications(__ctx), __parser_.__chrono_specs_); + } + + __format_spec::__parser_chrono<_CharT> __parser_; +}; + +template <class _Duration, __fmt_char_type _CharT> +struct formatter<chrono::sys_time<_Duration>, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__clock); + } +}; + +# if _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM +# if _LIBCPP_HAS_EXPERIMENTAL_TZDB + +template <class _Duration, __fmt_char_type _CharT> +struct formatter<chrono::utc_time<_Duration>, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__clock); + } +}; + +template <class _Duration, __fmt_char_type _CharT> +struct formatter<chrono::tai_time<_Duration>, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__clock); + } +}; + +template <class _Duration, __fmt_char_type _CharT> +struct formatter<chrono::gps_time<_Duration>, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__clock); + } +}; + +# endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB +# endif // _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM + +template <class _Duration, __fmt_char_type _CharT> +struct formatter<chrono::file_time<_Duration>, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__clock); + } +}; + +template <class _Duration, __fmt_char_type _CharT> +struct formatter<chrono::local_time<_Duration>, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + // The flags are not __clock since there is no associated time-zone. + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__date_time); + } +}; + +template <class _Rep, class _Period, __fmt_char_type _CharT> +struct formatter<chrono::duration<_Rep, _Period>, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + // [time.format]/1 + // Giving a precision specification in the chrono-format-spec is valid only + // for std::chrono::duration types where the representation type Rep is a + // floating-point type. For all other Rep types, an exception of type + // format_error is thrown if the chrono-format-spec contains a precision + // specification. + // + // Note this doesn't refer to chrono::treat_as_floating_point_v<_Rep>. + if constexpr (std::floating_point<_Rep>) + return _Base::__parse(__ctx, __format_spec::__fields_chrono_fractional, __format_spec::__flags::__duration); + else + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__duration); + } +}; + +template <__fmt_char_type _CharT> +struct formatter<chrono::day, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__day); + } +}; + +template <__fmt_char_type _CharT> +struct formatter<chrono::month, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__month); + } +}; + +template <__fmt_char_type _CharT> +struct formatter<chrono::year, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__year); + } +}; + +template <__fmt_char_type _CharT> +struct formatter<chrono::weekday, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__weekday); + } +}; + +template <__fmt_char_type _CharT> +struct formatter<chrono::weekday_indexed, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__weekday); + } +}; + +template <__fmt_char_type _CharT> +struct formatter<chrono::weekday_last, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__weekday); + } +}; + +template <__fmt_char_type _CharT> +struct formatter<chrono::month_day, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__month_day); + } +}; + +template <__fmt_char_type _CharT> +struct formatter<chrono::month_day_last, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__month); + } +}; + +template <__fmt_char_type _CharT> +struct formatter<chrono::month_weekday, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__month_weekday); + } +}; + +template <__fmt_char_type _CharT> +struct formatter<chrono::month_weekday_last, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__month_weekday); + } +}; + +template <__fmt_char_type _CharT> +struct formatter<chrono::year_month, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__year_month); + } +}; + +template <__fmt_char_type _CharT> +struct formatter<chrono::year_month_day, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__date); + } +}; + +template <__fmt_char_type _CharT> +struct formatter<chrono::year_month_day_last, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__date); + } +}; + +template <__fmt_char_type _CharT> +struct formatter<chrono::year_month_weekday, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__date); + } +}; + +template <__fmt_char_type _CharT> +struct formatter<chrono::year_month_weekday_last, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__date); + } +}; + +template <class _Duration, __fmt_char_type _CharT> +struct formatter<chrono::hh_mm_ss<_Duration>, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__time); + } +}; + +# if _LIBCPP_HAS_EXPERIMENTAL_TZDB +template <__fmt_char_type _CharT> +struct formatter<chrono::sys_info, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__time_zone); + } +}; + +template <__fmt_char_type _CharT> +struct formatter<chrono::local_info, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags{}); + } +}; +# if _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM +// Note due to how libc++'s formatters are implemented there is no need to add +// the exposition only local-time-format-t abstraction. +template <class _Duration, class _TimeZonePtr, __fmt_char_type _CharT> +struct formatter<chrono::zoned_time<_Duration, _TimeZonePtr>, _CharT> : public __formatter_chrono<_CharT> { +public: + using _Base _LIBCPP_NODEBUG = __formatter_chrono<_CharT>; + + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator parse(_ParseContext& __ctx) { + return _Base::__parse(__ctx, __format_spec::__fields_chrono, __format_spec::__flags::__clock); + } +}; +# endif // _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM +# endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB + +# endif // if _LIBCPP_STD_VER >= 20 + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_HAS_LOCALIZATION + +#endif // _LIBCPP___CHRONO_FORMATTER_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/gps_clock.h b/third_party/libcxx/include/c++/v1/__chrono/gps_clock.h new file mode 100644 index 0000000..2e220ca --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/gps_clock.h @@ -0,0 +1,90 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_GPS_CLOCK_H +#define _LIBCPP___CHRONO_GPS_CLOCK_H + +#include <version> +// Enable the contents of the header only when libc++ was built with experimental features enabled. +#if _LIBCPP_HAS_EXPERIMENTAL_TZDB + +# include <__assert> +# include <__chrono/duration.h> +# include <__chrono/time_point.h> +# include <__chrono/utc_clock.h> +# include <__config> +# include <__type_traits/common_type.h> + +# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +# endif + +_LIBCPP_PUSH_MACROS +# include <__undef_macros> + +_LIBCPP_BEGIN_NAMESPACE_STD + +# if _LIBCPP_STD_VER >= 20 && _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM && _LIBCPP_HAS_LOCALIZATION + +namespace chrono { + +class gps_clock; + +template <class _Duration> +using gps_time = time_point<gps_clock, _Duration>; +using gps_seconds = gps_time<seconds>; + +class gps_clock { +public: + using rep = utc_clock::rep; + using period = utc_clock::period; + using duration = chrono::duration<rep, period>; + using time_point = chrono::time_point<gps_clock>; + static constexpr bool is_steady = false; // The utc_clock is not steady. + + // The static difference between UTC and GPS time as specified in the Standard. + static constexpr chrono::seconds __offset{315964809}; + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static time_point now() { return from_utc(utc_clock::now()); } + + template <class _Duration> + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static utc_time<common_type_t<_Duration, seconds>> + to_utc(const gps_time<_Duration>& __time) noexcept { + using _Rp = common_type_t<_Duration, seconds>; + _Duration __time_since_epoch = __time.time_since_epoch(); + _LIBCPP_ASSERT_ARGUMENT_WITHIN_DOMAIN(__time_since_epoch >= utc_time<_Rp>::min().time_since_epoch() + __offset, + "the GPS to UTC conversion would underflow"); + + return utc_time<_Rp>{__time_since_epoch + __offset}; + } + + template <class _Duration> + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static gps_time<common_type_t<_Duration, seconds>> + from_utc(const utc_time<_Duration>& __time) noexcept { + using _Rp = common_type_t<_Duration, seconds>; + _Duration __time_since_epoch = __time.time_since_epoch(); + _LIBCPP_ASSERT_ARGUMENT_WITHIN_DOMAIN(__time_since_epoch <= utc_time<_Rp>::max().time_since_epoch() - __offset, + "the UTC to GPS conversion would overflow"); + + return gps_time<_Rp>{__time_since_epoch - __offset}; + } +}; + +} // namespace chrono + +# endif // _LIBCPP_STD_VER >= 20 && _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM && + // _LIBCPP_HAS_LOCALIZATION + +_LIBCPP_END_NAMESPACE_STD + +_LIBCPP_POP_MACROS + +#endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB + +#endif // _LIBCPP___CHRONO_GPS_CLOCK_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/hh_mm_ss.h b/third_party/libcxx/include/c++/v1/__chrono/hh_mm_ss.h new file mode 100644 index 0000000..746eba9 --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/hh_mm_ss.h @@ -0,0 +1,112 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_HH_MM_SS_H +#define _LIBCPP___CHRONO_HH_MM_SS_H + +#include <__chrono/duration.h> +#include <__chrono/time_point.h> +#include <__config> +#include <__type_traits/common_type.h> +#include <ratio> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +#if _LIBCPP_STD_VER >= 20 + +_LIBCPP_BEGIN_NAMESPACE_STD + +namespace chrono { + +template <class _Duration> +class hh_mm_ss { +private: + static_assert(__is_duration_v<_Duration>, "template parameter of hh_mm_ss must be a std::chrono::duration"); + using __CommonType _LIBCPP_NODEBUG = common_type_t<_Duration, chrono::seconds>; + + _LIBCPP_HIDE_FROM_ABI static constexpr uint64_t __pow10(unsigned __exp) { + uint64_t __ret = 1; + for (unsigned __i = 0; __i < __exp; ++__i) + __ret *= 10U; + return __ret; + } + + _LIBCPP_HIDE_FROM_ABI static constexpr unsigned __width(uint64_t __n, uint64_t __d = 10, unsigned __w = 0) { + if (__n >= 2 && __d != 0 && __w < 19) + return 1 + __width(__n, __d % __n * 10, __w + 1); + return 0; + } + +public: + _LIBCPP_HIDE_FROM_ABI static unsigned constexpr fractional_width = + __width(__CommonType::period::den) < 19 ? __width(__CommonType::period::den) : 6u; + using precision = duration<typename __CommonType::rep, ratio<1, __pow10(fractional_width)>>; + + _LIBCPP_HIDE_FROM_ABI constexpr hh_mm_ss() noexcept : hh_mm_ss{_Duration::zero()} {} + + _LIBCPP_HIDE_FROM_ABI constexpr explicit hh_mm_ss(_Duration __d) noexcept + : __is_neg_(__d < _Duration(0)), + __h_(chrono::duration_cast<chrono::hours>(chrono::abs(__d))), + __m_(chrono::duration_cast<chrono::minutes>(chrono::abs(__d) - hours())), + __s_(chrono::duration_cast<chrono::seconds>(chrono::abs(__d) - hours() - minutes())), + __f_(chrono::duration_cast<precision>(chrono::abs(__d) - hours() - minutes() - seconds())) {} + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr bool is_negative() const noexcept { return __is_neg_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr chrono::hours hours() const noexcept { return __h_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr chrono::minutes minutes() const noexcept { return __m_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr chrono::seconds seconds() const noexcept { return __s_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr precision subseconds() const noexcept { return __f_; } + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr precision to_duration() const noexcept { + auto __dur = __h_ + __m_ + __s_ + __f_; + return __is_neg_ ? -__dur : __dur; + } + + _LIBCPP_HIDE_FROM_ABI constexpr explicit operator precision() const noexcept { return to_duration(); } + +private: + bool __is_neg_; + chrono::hours __h_; + chrono::minutes __m_; + chrono::seconds __s_; + precision __f_; +}; +_LIBCPP_CTAD_SUPPORTED_FOR_TYPE(hh_mm_ss); + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr bool is_am(const hours& __h) noexcept { + return __h >= hours(0) && __h < hours(12); +} +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr bool is_pm(const hours& __h) noexcept { + return __h >= hours(12) && __h < hours(24); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr hours make12(const hours& __h) noexcept { + if (__h == hours(0)) + return hours(12); + else if (__h <= hours(12)) + return __h; + else + return __h - hours(12); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr hours make24(const hours& __h, bool __is_pm) noexcept { + if (__is_pm) + return __h == hours(12) ? __h : __h + hours(12); + else + return __h == hours(12) ? hours(0) : __h; +} +} // namespace chrono + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_STD_VER >= 20 + +#endif // _LIBCPP___CHRONO_HH_MM_SS_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/high_resolution_clock.h b/third_party/libcxx/include/c++/v1/__chrono/high_resolution_clock.h new file mode 100644 index 0000000..d324c7f --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/high_resolution_clock.h @@ -0,0 +1,35 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_HIGH_RESOLUTION_CLOCK_H +#define _LIBCPP___CHRONO_HIGH_RESOLUTION_CLOCK_H + +#include <__chrono/steady_clock.h> +#include <__chrono/system_clock.h> +#include <__config> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +namespace chrono { + +#if _LIBCPP_HAS_MONOTONIC_CLOCK +typedef steady_clock high_resolution_clock; +#else +typedef system_clock high_resolution_clock; +#endif + +} // namespace chrono + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___CHRONO_HIGH_RESOLUTION_CLOCK_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/is_clock.h b/third_party/libcxx/include/c++/v1/__chrono/is_clock.h new file mode 100644 index 0000000..e63b848 --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/is_clock.h @@ -0,0 +1,72 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_IS_CLOCK_H +#define _LIBCPP___CHRONO_IS_CLOCK_H + +#include <__config> + +#include <__chrono/duration.h> +#include <__chrono/time_point.h> +#include <__concepts/same_as.h> +#include <__type_traits/integral_constant.h> +#include <__type_traits/is_arithmetic.h> +#include <__type_traits/is_class.h> +#include <__type_traits/is_union.h> +#include <ratio> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +#if _LIBCPP_STD_VER >= 20 + +_LIBCPP_BEGIN_NAMESPACE_STD + +namespace chrono { + +// Helper to check that _Tp::time_point has the form time_point<_, typename _Tp::duration>. +template <class _TimePoint, class _ClockType> +inline constexpr bool __is_valid_clock_time_point_v = false; + +template <class _TimePointClock, class _ClockType> +inline constexpr bool + __is_valid_clock_time_point_v<time_point<_TimePointClock, typename _ClockType::duration>, _ClockType> = true; + +// Check if a clock satisfies the Cpp17Clock requirements as defined in [time.clock.req] +template <class _Tp> +_LIBCPP_NO_SPECIALIZATIONS inline constexpr bool is_clock_v = requires { + typename _Tp::rep; + requires is_arithmetic_v<typename _Tp::rep> || is_class_v<typename _Tp::rep> || is_union_v<typename _Tp::rep>; + + typename _Tp::period; + requires __is_ratio_v<typename _Tp::period>; + + typename _Tp::duration; + requires same_as<typename _Tp::duration, duration<typename _Tp::rep, typename _Tp::period>>; + + typename _Tp::time_point; + requires __is_valid_clock_time_point_v<typename _Tp::time_point, _Tp>; + + _Tp::is_steady; + requires same_as<decltype((_Tp::is_steady)), const bool&>; + + _Tp::now(); + requires same_as<decltype(_Tp::now()), typename _Tp::time_point>; +}; + +template <class _Tp> +struct _LIBCPP_NO_SPECIALIZATIONS is_clock : bool_constant<is_clock_v<_Tp>> {}; + +} // namespace chrono + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_STD_VER +#endif // _LIBCPP___CHRONO_IS_CLOCK_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/leap_second.h b/third_party/libcxx/include/c++/v1/__chrono/leap_second.h new file mode 100644 index 0000000..9e9df6b --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/leap_second.h @@ -0,0 +1,144 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +// For information see https://libcxx.llvm.org/DesignDocs/TimeZone.html + +#ifndef _LIBCPP___CHRONO_LEAP_SECOND_H +#define _LIBCPP___CHRONO_LEAP_SECOND_H + +#include <version> +// Enable the contents of the header only when libc++ was built with experimental features enabled. +#if _LIBCPP_HAS_EXPERIMENTAL_TZDB + +# include <__chrono/duration.h> +# include <__chrono/system_clock.h> +# include <__chrono/time_point.h> +# include <__compare/ordering.h> +# include <__compare/three_way_comparable.h> +# include <__config> +# include <__cstddef/size_t.h> +# include <__functional/hash.h> +# include <__utility/private_constructor_tag.h> + +# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +# endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +# if _LIBCPP_STD_VER >= 20 + +namespace chrono { + +class leap_second { +public: + [[nodiscard]] + _LIBCPP_HIDE_FROM_ABI explicit constexpr leap_second(__private_constructor_tag, sys_seconds __date, seconds __value) + : __date_(__date), __value_(__value) {} + + _LIBCPP_HIDE_FROM_ABI leap_second(const leap_second&) = default; + _LIBCPP_HIDE_FROM_ABI leap_second& operator=(const leap_second&) = default; + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr sys_seconds date() const noexcept { return __date_; } + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr seconds value() const noexcept { return __value_; } + +private: + sys_seconds __date_; + seconds __value_; + + // The function + // template<class Duration> + // requires three_way_comparable_with<sys_seconds, sys_time<Duration>> + // constexpr auto operator<=>(const leap_second& x, const sys_time<Duration>& y) noexcept; + // + // Has constraints that are recursive (LWG4139). The proposed resolution is + // to make the funcion a hidden friend. For consistency make this change for + // all comparison functions. + + _LIBCPP_HIDE_FROM_ABI friend constexpr bool operator==(const leap_second& __x, const leap_second& __y) { + return __x.date() == __y.date(); + } + + _LIBCPP_HIDE_FROM_ABI friend constexpr strong_ordering operator<=>(const leap_second& __x, const leap_second& __y) { + return __x.date() <=> __y.date(); + } + + template <class _Duration> + _LIBCPP_HIDE_FROM_ABI friend constexpr bool operator==(const leap_second& __x, const sys_time<_Duration>& __y) { + return __x.date() == __y; + } + + template <class _Duration> + _LIBCPP_HIDE_FROM_ABI friend constexpr bool operator<(const leap_second& __x, const sys_time<_Duration>& __y) { + return __x.date() < __y; + } + + template <class _Duration> + _LIBCPP_HIDE_FROM_ABI friend constexpr bool operator<(const sys_time<_Duration>& __x, const leap_second& __y) { + return __x < __y.date(); + } + + template <class _Duration> + _LIBCPP_HIDE_FROM_ABI friend constexpr bool operator>(const leap_second& __x, const sys_time<_Duration>& __y) { + return __y < __x; + } + + template <class _Duration> + _LIBCPP_HIDE_FROM_ABI friend constexpr bool operator>(const sys_time<_Duration>& __x, const leap_second& __y) { + return __y < __x; + } + + template <class _Duration> + _LIBCPP_HIDE_FROM_ABI friend constexpr bool operator<=(const leap_second& __x, const sys_time<_Duration>& __y) { + return !(__y < __x); + } + + template <class _Duration> + _LIBCPP_HIDE_FROM_ABI friend constexpr bool operator<=(const sys_time<_Duration>& __x, const leap_second& __y) { + return !(__y < __x); + } + + template <class _Duration> + _LIBCPP_HIDE_FROM_ABI friend constexpr bool operator>=(const leap_second& __x, const sys_time<_Duration>& __y) { + return !(__x < __y); + } + + template <class _Duration> + _LIBCPP_HIDE_FROM_ABI friend constexpr bool operator>=(const sys_time<_Duration>& __x, const leap_second& __y) { + return !(__x < __y); + } + + template <class _Duration> + requires three_way_comparable_with<sys_seconds, sys_time<_Duration>> + _LIBCPP_HIDE_FROM_ABI friend constexpr auto operator<=>(const leap_second& __x, const sys_time<_Duration>& __y) { + return __x.date() <=> __y; + } +}; + +} // namespace chrono + +# if _LIBCPP_STD_VER >= 26 + +template <> +struct hash<chrono::leap_second> { + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static size_t operator()(const chrono::leap_second& __lp) noexcept { + return std::__hash_combine(hash<chrono::sys_seconds>{}(__lp.date()), hash<chrono::seconds>{}(__lp.value())); + } +}; + +# endif // _LIBCPP_STD_VER >= 26 + +# endif // _LIBCPP_STD_VER >= 20 + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB + +#endif // _LIBCPP___CHRONO_LEAP_SECOND_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/literals.h b/third_party/libcxx/include/c++/v1/__chrono/literals.h new file mode 100644 index 0000000..b26acba --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/literals.h @@ -0,0 +1,45 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_LITERALS_H +#define _LIBCPP___CHRONO_LITERALS_H + +#include <__chrono/day.h> +#include <__chrono/year.h> +#include <__config> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +#if _LIBCPP_STD_VER >= 20 + +_LIBCPP_BEGIN_NAMESPACE_STD + +inline namespace literals { +inline namespace chrono_literals { +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr chrono::day operator""d(unsigned long long __d) noexcept { + return chrono::day(static_cast<unsigned>(__d)); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr chrono::year operator""y(unsigned long long __y) noexcept { + return chrono::year(static_cast<int>(__y)); +} +} // namespace chrono_literals +} // namespace literals + +namespace chrono { // hoist the literals into namespace std::chrono +using namespace literals::chrono_literals; +} // namespace chrono + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_STD_VER >= 20 + +#endif // _LIBCPP___CHRONO_LITERALS_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/local_info.h b/third_party/libcxx/include/c++/v1/__chrono/local_info.h new file mode 100644 index 0000000..31cf777 --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/local_info.h @@ -0,0 +1,50 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +// For information see https://libcxx.llvm.org/DesignDocs/TimeZone.html + +#ifndef _LIBCPP___CHRONO_LOCAL_INFO_H +#define _LIBCPP___CHRONO_LOCAL_INFO_H + +#include <version> +// Enable the contents of the header only when libc++ was built with experimental features enabled. +#if _LIBCPP_HAS_EXPERIMENTAL_TZDB + +# include <__chrono/sys_info.h> +# include <__config> + +# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +# endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +# if _LIBCPP_STD_VER >= 20 + +namespace chrono { + +struct local_info { + static constexpr int unique = 0; + static constexpr int nonexistent = 1; + static constexpr int ambiguous = 2; + + int result; + sys_info first; + sys_info second; +}; + +} // namespace chrono + +# endif // _LIBCPP_STD_VER >= 20 + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB + +#endif // _LIBCPP___CHRONO_LOCAL_INFO_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/month.h b/third_party/libcxx/include/c++/v1/__chrono/month.h new file mode 100644 index 0000000..abf07e8 --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/month.h @@ -0,0 +1,128 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_MONTH_H +#define _LIBCPP___CHRONO_MONTH_H + +#include <__chrono/duration.h> +#include <__compare/ordering.h> +#include <__config> +#include <__cstddef/size_t.h> +#include <__functional/hash.h> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +#if _LIBCPP_STD_VER >= 20 + +_LIBCPP_BEGIN_NAMESPACE_STD + +namespace chrono { + +class month { +private: + unsigned char __m_; + +public: + month() = default; + _LIBCPP_HIDE_FROM_ABI explicit inline constexpr month(unsigned __val) noexcept + : __m_(static_cast<unsigned char>(__val)) {} + _LIBCPP_HIDE_FROM_ABI inline constexpr month& operator++() noexcept { + *this += months{1}; + return *this; + } + _LIBCPP_HIDE_FROM_ABI inline constexpr month operator++(int) noexcept { + month __tmp = *this; + ++(*this); + return __tmp; + } + _LIBCPP_HIDE_FROM_ABI inline constexpr month& operator--() noexcept { + *this -= months{1}; + return *this; + } + _LIBCPP_HIDE_FROM_ABI inline constexpr month operator--(int) noexcept { + month __tmp = *this; + --(*this); + return __tmp; + } + _LIBCPP_HIDE_FROM_ABI constexpr month& operator+=(const months& __m1) noexcept; + _LIBCPP_HIDE_FROM_ABI constexpr month& operator-=(const months& __m1) noexcept; + _LIBCPP_HIDE_FROM_ABI explicit inline constexpr operator unsigned() const noexcept { return __m_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr bool ok() const noexcept { return __m_ >= 1 && __m_ <= 12; } +}; + +_LIBCPP_HIDE_FROM_ABI inline constexpr bool operator==(const month& __lhs, const month& __rhs) noexcept { + return static_cast<unsigned>(__lhs) == static_cast<unsigned>(__rhs); +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr strong_ordering operator<=>(const month& __lhs, const month& __rhs) noexcept { + return static_cast<unsigned>(__lhs) <=> static_cast<unsigned>(__rhs); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr month operator+(const month& __lhs, const months& __rhs) noexcept { + auto const __mu = static_cast<long long>(static_cast<unsigned>(__lhs)) + (__rhs.count() - 1); + auto const __yr = (__mu >= 0 ? __mu : __mu - 11) / 12; + return month{static_cast<unsigned>(__mu - __yr * 12 + 1)}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr month operator+(const months& __lhs, const month& __rhs) noexcept { + return __rhs + __lhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr month operator-(const month& __lhs, const months& __rhs) noexcept { + return __lhs + -__rhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr months operator-(const month& __lhs, const month& __rhs) noexcept { + auto const __dm = static_cast<unsigned>(__lhs) - static_cast<unsigned>(__rhs); + return months(__dm <= 11 ? __dm : __dm + 12); +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr month& month::operator+=(const months& __dm) noexcept { + *this = *this + __dm; + return *this; +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr month& month::operator-=(const months& __dm) noexcept { + *this = *this - __dm; + return *this; +} + +inline constexpr month January{1}; +inline constexpr month February{2}; +inline constexpr month March{3}; +inline constexpr month April{4}; +inline constexpr month May{5}; +inline constexpr month June{6}; +inline constexpr month July{7}; +inline constexpr month August{8}; +inline constexpr month September{9}; +inline constexpr month October{10}; +inline constexpr month November{11}; +inline constexpr month December{12}; + +} // namespace chrono + +# if _LIBCPP_STD_VER >= 26 + +template <> +struct hash<chrono::month> { + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static size_t operator()(const chrono::month& __m) noexcept { + return static_cast<unsigned>(__m); + } +}; + +# endif // _LIBCPP_STD_VER >= 26 + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_STD_VER >= 20 + +#endif // _LIBCPP___CHRONO_MONTH_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/month_weekday.h b/third_party/libcxx/include/c++/v1/__chrono/month_weekday.h new file mode 100644 index 0000000..f149806 --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/month_weekday.h @@ -0,0 +1,135 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_MONTH_WEEKDAY_H +#define _LIBCPP___CHRONO_MONTH_WEEKDAY_H + +#include <__chrono/month.h> +#include <__chrono/weekday.h> +#include <__config> +#include <__cstddef/size_t.h> +#include <__functional/hash.h> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +#if _LIBCPP_STD_VER >= 20 + +_LIBCPP_BEGIN_NAMESPACE_STD + +namespace chrono { + +class month_weekday { +private: + chrono::month __m_; + chrono::weekday_indexed __wdi_; + +public: + _LIBCPP_HIDE_FROM_ABI constexpr month_weekday(const chrono::month& __mval, + const chrono::weekday_indexed& __wdival) noexcept + : __m_{__mval}, __wdi_{__wdival} {} + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::month month() const noexcept { return __m_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::weekday_indexed weekday_indexed() const noexcept { + return __wdi_; + } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr bool ok() const noexcept { return __m_.ok() && __wdi_.ok(); } +}; + +_LIBCPP_HIDE_FROM_ABI inline constexpr bool +operator==(const month_weekday& __lhs, const month_weekday& __rhs) noexcept { + return __lhs.month() == __rhs.month() && __lhs.weekday_indexed() == __rhs.weekday_indexed(); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr month_weekday +operator/(const month& __lhs, const weekday_indexed& __rhs) noexcept { + return month_weekday{__lhs, __rhs}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr month_weekday +operator/(int __lhs, const weekday_indexed& __rhs) noexcept { + return month_weekday{month(__lhs), __rhs}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr month_weekday +operator/(const weekday_indexed& __lhs, const month& __rhs) noexcept { + return month_weekday{__rhs, __lhs}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr month_weekday +operator/(const weekday_indexed& __lhs, int __rhs) noexcept { + return month_weekday{month(__rhs), __lhs}; +} + +class month_weekday_last { + chrono::month __m_; + chrono::weekday_last __wdl_; + +public: + _LIBCPP_HIDE_FROM_ABI constexpr month_weekday_last(const chrono::month& __mval, + const chrono::weekday_last& __wdlval) noexcept + : __m_{__mval}, __wdl_{__wdlval} {} + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::month month() const noexcept { return __m_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::weekday_last weekday_last() const noexcept { + return __wdl_; + } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr bool ok() const noexcept { return __m_.ok() && __wdl_.ok(); } +}; + +_LIBCPP_HIDE_FROM_ABI inline constexpr bool +operator==(const month_weekday_last& __lhs, const month_weekday_last& __rhs) noexcept { + return __lhs.month() == __rhs.month() && __lhs.weekday_last() == __rhs.weekday_last(); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr month_weekday_last +operator/(const month& __lhs, const weekday_last& __rhs) noexcept { + return month_weekday_last{__lhs, __rhs}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr month_weekday_last +operator/(int __lhs, const weekday_last& __rhs) noexcept { + return month_weekday_last{month(__lhs), __rhs}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr month_weekday_last +operator/(const weekday_last& __lhs, const month& __rhs) noexcept { + return month_weekday_last{__rhs, __lhs}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr month_weekday_last +operator/(const weekday_last& __lhs, int __rhs) noexcept { + return month_weekday_last{month(__rhs), __lhs}; +} +} // namespace chrono + +# if _LIBCPP_STD_VER >= 26 + +template <> +struct hash<chrono::month_weekday> { + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static size_t operator()(const chrono::month_weekday& __mw) noexcept { + return std::__hash_combine( + hash<chrono::month>{}(__mw.month()), hash<chrono::weekday_indexed>{}(__mw.weekday_indexed())); + } +}; + +template <> +struct hash<chrono::month_weekday_last> { + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static size_t operator()(const chrono::month_weekday_last& __mwl) noexcept { + return std::__hash_combine( + hash<chrono::month>{}(__mwl.month()), hash<chrono::weekday_last>{}(__mwl.weekday_last())); + } +}; + +# endif // _LIBCPP_STD_VER >= 26 + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_STD_VER >= 20 + +#endif // _LIBCPP___CHRONO_MONTH_WEEKDAY_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/monthday.h b/third_party/libcxx/include/c++/v1/__chrono/monthday.h new file mode 100644 index 0000000..443d7ea --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/monthday.h @@ -0,0 +1,155 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_MONTHDAY_H +#define _LIBCPP___CHRONO_MONTHDAY_H + +#include <__chrono/calendar.h> +#include <__chrono/day.h> +#include <__chrono/month.h> +#include <__compare/ordering.h> +#include <__config> +#include <__cstddef/size_t.h> +#include <__functional/hash.h> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +#if _LIBCPP_STD_VER >= 20 + +_LIBCPP_BEGIN_NAMESPACE_STD + +namespace chrono { + +class month_day { +private: + chrono::month __m_; + chrono::day __d_; + +public: + month_day() = default; + _LIBCPP_HIDE_FROM_ABI constexpr month_day(const chrono::month& __mval, const chrono::day& __dval) noexcept + : __m_{__mval}, __d_{__dval} {} + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::month month() const noexcept { return __m_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::day day() const noexcept { return __d_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr bool ok() const noexcept; +}; + +_LIBCPP_HIDE_FROM_ABI inline constexpr bool month_day::ok() const noexcept { + if (!__m_.ok()) + return false; + const unsigned __dval = static_cast<unsigned>(__d_); + if (__dval < 1 || __dval > 31) + return false; + if (__dval <= 29) + return true; + // Now we've got either 30 or 31 + const unsigned __mval = static_cast<unsigned>(__m_); + if (__mval == 2) + return false; + if (__mval == 4 || __mval == 6 || __mval == 9 || __mval == 11) + return __dval == 30; + return true; +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr bool operator==(const month_day& __lhs, const month_day& __rhs) noexcept { + return __lhs.month() == __rhs.month() && __lhs.day() == __rhs.day(); +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr strong_ordering +operator<=>(const month_day& __lhs, const month_day& __rhs) noexcept { + if (auto __c = __lhs.month() <=> __rhs.month(); __c != 0) + return __c; + return __lhs.day() <=> __rhs.day(); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr month_day +operator/(const month& __lhs, const day& __rhs) noexcept { + return month_day{__lhs, __rhs}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr month_day +operator/(const day& __lhs, const month& __rhs) noexcept { + return __rhs / __lhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr month_day operator/(const month& __lhs, int __rhs) noexcept { + return __lhs / day(__rhs); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr month_day operator/(int __lhs, const day& __rhs) noexcept { + return month(__lhs) / __rhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr month_day operator/(const day& __lhs, int __rhs) noexcept { + return month(__rhs) / __lhs; +} + +class month_day_last { +private: + chrono::month __m_; + +public: + _LIBCPP_HIDE_FROM_ABI explicit constexpr month_day_last(const chrono::month& __val) noexcept : __m_{__val} {} + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::month month() const noexcept { return __m_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr bool ok() const noexcept { return __m_.ok(); } +}; + +_LIBCPP_HIDE_FROM_ABI inline constexpr bool +operator==(const month_day_last& __lhs, const month_day_last& __rhs) noexcept { + return __lhs.month() == __rhs.month(); +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr strong_ordering +operator<=>(const month_day_last& __lhs, const month_day_last& __rhs) noexcept { + return __lhs.month() <=> __rhs.month(); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr month_day_last operator/(const month& __lhs, last_spec) noexcept { + return month_day_last{__lhs}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr month_day_last operator/(last_spec, const month& __rhs) noexcept { + return month_day_last{__rhs}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr month_day_last operator/(int __lhs, last_spec) noexcept { + return month_day_last{month(__lhs)}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr month_day_last operator/(last_spec, int __rhs) noexcept { + return month_day_last{month(__rhs)}; +} + +} // namespace chrono + +# if _LIBCPP_STD_VER >= 26 + +template <> +struct hash<chrono::month_day> { + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static size_t operator()(const chrono::month_day& __md) noexcept { + return std::__hash_combine(hash<chrono::month>{}(__md.month()), hash<chrono::day>{}(__md.day())); + } +}; + +template <> +struct hash<chrono::month_day_last> { + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static size_t operator()(const chrono::month_day_last& __mdl) noexcept { + return hash<chrono::month>{}(__mdl.month()); + } +}; + +# endif // _LIBCPP_STD_VER >= 26 + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_STD_VER >= 20 + +#endif // _LIBCPP___CHRONO_MONTHDAY_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/ostream.h b/third_party/libcxx/include/c++/v1/__chrono/ostream.h new file mode 100644 index 0000000..7a01b18 --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/ostream.h @@ -0,0 +1,354 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_OSTREAM_H +#define _LIBCPP___CHRONO_OSTREAM_H + +#include <__config> + +#if _LIBCPP_HAS_LOCALIZATION + +# include <__chrono/calendar.h> +# include <__chrono/day.h> +# include <__chrono/duration.h> +# include <__chrono/file_clock.h> +# include <__chrono/gps_clock.h> +# include <__chrono/hh_mm_ss.h> +# include <__chrono/local_info.h> +# include <__chrono/month.h> +# include <__chrono/month_weekday.h> +# include <__chrono/monthday.h> +# include <__chrono/statically_widen.h> +# include <__chrono/sys_info.h> +# include <__chrono/system_clock.h> +# include <__chrono/tai_clock.h> +# include <__chrono/utc_clock.h> +# include <__chrono/weekday.h> +# include <__chrono/year.h> +# include <__chrono/year_month.h> +# include <__chrono/year_month_day.h> +# include <__chrono/year_month_weekday.h> +# include <__chrono/zoned_time.h> +# include <__concepts/same_as.h> +# include <__format/format_functions.h> +# include <__fwd/ostream.h> +# include <ratio> +# include <sstream> + +# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +# endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +# if _LIBCPP_STD_VER >= 20 + +namespace chrono { + +template <class _CharT, class _Traits, class _Duration> + requires(!treat_as_floating_point_v<typename _Duration::rep> && _Duration{1} < days{1}) +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const sys_time<_Duration>& __tp) { + return __os << std::format(__os.getloc(), _LIBCPP_STATICALLY_WIDEN(_CharT, "{:L%F %T}"), __tp); +} + +template <class _CharT, class _Traits> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const sys_days& __dp) { + return __os << year_month_day{__dp}; +} + +# if _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM +# if _LIBCPP_HAS_EXPERIMENTAL_TZDB + +template <class _CharT, class _Traits, class _Duration> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const utc_time<_Duration>& __tp) { + return __os << std::format(__os.getloc(), _LIBCPP_STATICALLY_WIDEN(_CharT, "{:L%F %T}"), __tp); +} + +template <class _CharT, class _Traits, class _Duration> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const tai_time<_Duration>& __tp) { + return __os << std::format(__os.getloc(), _LIBCPP_STATICALLY_WIDEN(_CharT, "{:L%F %T}"), __tp); +} + +template <class _CharT, class _Traits, class _Duration> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const gps_time<_Duration>& __tp) { + return __os << std::format(__os.getloc(), _LIBCPP_STATICALLY_WIDEN(_CharT, "{:L%F %T}"), __tp); +} + +# endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB +# endif // _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM + +template <class _CharT, class _Traits, class _Duration> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const file_time<_Duration> __tp) { + return __os << std::format(__os.getloc(), _LIBCPP_STATICALLY_WIDEN(_CharT, "{:L%F %T}"), __tp); +} + +template <class _CharT, class _Traits, class _Duration> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const local_time<_Duration> __tp) { + return __os << sys_time<_Duration>{__tp.time_since_epoch()}; +} + +// Depending on the type the return is a const _CharT* or a basic_string<_CharT> +template <class _CharT, class _Period> +_LIBCPP_HIDE_FROM_ABI auto __units_suffix() { + // TODO FMT LWG issue the suffixes are always char and not STATICALLY-WIDEN'ed. + if constexpr (same_as<typename _Period::type, atto>) + return _LIBCPP_STATICALLY_WIDEN(_CharT, "as"); + else if constexpr (same_as<typename _Period::type, femto>) + return _LIBCPP_STATICALLY_WIDEN(_CharT, "fs"); + else if constexpr (same_as<typename _Period::type, pico>) + return _LIBCPP_STATICALLY_WIDEN(_CharT, "ps"); + else if constexpr (same_as<typename _Period::type, nano>) + return _LIBCPP_STATICALLY_WIDEN(_CharT, "ns"); + else if constexpr (same_as<typename _Period::type, micro>) +# if _LIBCPP_HAS_UNICODE + return _LIBCPP_STATICALLY_WIDEN(_CharT, "\u00b5s"); +# else + return _LIBCPP_STATICALLY_WIDEN(_CharT, "us"); +# endif + else if constexpr (same_as<typename _Period::type, milli>) + return _LIBCPP_STATICALLY_WIDEN(_CharT, "ms"); + else if constexpr (same_as<typename _Period::type, centi>) + return _LIBCPP_STATICALLY_WIDEN(_CharT, "cs"); + else if constexpr (same_as<typename _Period::type, deci>) + return _LIBCPP_STATICALLY_WIDEN(_CharT, "ds"); + else if constexpr (same_as<typename _Period::type, ratio<1>>) + return _LIBCPP_STATICALLY_WIDEN(_CharT, "s"); + else if constexpr (same_as<typename _Period::type, deca>) + return _LIBCPP_STATICALLY_WIDEN(_CharT, "das"); + else if constexpr (same_as<typename _Period::type, hecto>) + return _LIBCPP_STATICALLY_WIDEN(_CharT, "hs"); + else if constexpr (same_as<typename _Period::type, kilo>) + return _LIBCPP_STATICALLY_WIDEN(_CharT, "ks"); + else if constexpr (same_as<typename _Period::type, mega>) + return _LIBCPP_STATICALLY_WIDEN(_CharT, "Ms"); + else if constexpr (same_as<typename _Period::type, giga>) + return _LIBCPP_STATICALLY_WIDEN(_CharT, "Gs"); + else if constexpr (same_as<typename _Period::type, tera>) + return _LIBCPP_STATICALLY_WIDEN(_CharT, "Ts"); + else if constexpr (same_as<typename _Period::type, peta>) + return _LIBCPP_STATICALLY_WIDEN(_CharT, "Ps"); + else if constexpr (same_as<typename _Period::type, exa>) + return _LIBCPP_STATICALLY_WIDEN(_CharT, "Es"); + else if constexpr (same_as<typename _Period::type, ratio<60>>) + return _LIBCPP_STATICALLY_WIDEN(_CharT, "min"); + else if constexpr (same_as<typename _Period::type, ratio<3600>>) + return _LIBCPP_STATICALLY_WIDEN(_CharT, "h"); + else if constexpr (same_as<typename _Period::type, ratio<86400>>) + return _LIBCPP_STATICALLY_WIDEN(_CharT, "d"); + else if constexpr (_Period::den == 1) + return std::format(_LIBCPP_STATICALLY_WIDEN(_CharT, "[{}]s"), _Period::num); + else + return std::format(_LIBCPP_STATICALLY_WIDEN(_CharT, "[{}/{}]s"), _Period::num, _Period::den); +} + +template <class _CharT, class _Traits, class _Rep, class _Period> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const duration<_Rep, _Period>& __d) { + basic_ostringstream<_CharT, _Traits> __s; + __s.flags(__os.flags()); + __s.imbue(__os.getloc()); + __s.precision(__os.precision()); + __s << __d.count() << chrono::__units_suffix<_CharT, _Period>(); + return __os << __s.str(); +} + +template <class _CharT, class _Traits> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& operator<<(basic_ostream<_CharT, _Traits>& __os, const day& __d) { + return __os << (__d.ok() ? std::format(_LIBCPP_STATICALLY_WIDEN(_CharT, "{:%d}"), __d) + // Note this error differs from the wording of the Standard. The + // Standard wording doesn't work well on AIX or Windows. There + // the formatted day seems to be either modulo 100 or completely + // omitted. Judging by the wording this is valid. + // TODO FMT Write a paper of file an LWG issue. + : std::format(_LIBCPP_STATICALLY_WIDEN(_CharT, "{:02} is not a valid day"), + static_cast<unsigned>(__d))); +} + +template <class _CharT, class _Traits> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const month& __m) { + return __os << (__m.ok() ? std::format(__os.getloc(), _LIBCPP_STATICALLY_WIDEN(_CharT, "{:L%b}"), __m) + : std::format(__os.getloc(), + _LIBCPP_STATICALLY_WIDEN(_CharT, "{} is not a valid month"), + static_cast<unsigned>(__m))); // TODO FMT Standard mandated locale isn't used. +} + +template <class _CharT, class _Traits> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const year& __y) { + return __os << (__y.ok() ? std::format(_LIBCPP_STATICALLY_WIDEN(_CharT, "{:%Y}"), __y) + : std::format(_LIBCPP_STATICALLY_WIDEN(_CharT, "{:%Y} is not a valid year"), __y)); +} + +template <class _CharT, class _Traits> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const weekday& __wd) { + return __os << (__wd.ok() ? std::format(__os.getloc(), _LIBCPP_STATICALLY_WIDEN(_CharT, "{:L%a}"), __wd) + : std::format(__os.getloc(), // TODO FMT Standard mandated locale isn't used. + _LIBCPP_STATICALLY_WIDEN(_CharT, "{} is not a valid weekday"), + static_cast<unsigned>(__wd.c_encoding()))); +} + +template <class _CharT, class _Traits> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const weekday_indexed& __wdi) { + auto __i = __wdi.index(); + return __os << (__i >= 1 && __i <= 5 + ? std::format(__os.getloc(), _LIBCPP_STATICALLY_WIDEN(_CharT, "{:L}[{}]"), __wdi.weekday(), __i) + : std::format(__os.getloc(), + _LIBCPP_STATICALLY_WIDEN(_CharT, "{:L}[{} is not a valid index]"), + __wdi.weekday(), + __i)); +} + +template <class _CharT, class _Traits> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const weekday_last& __wdl) { + return __os << std::format(__os.getloc(), _LIBCPP_STATICALLY_WIDEN(_CharT, "{:L}[last]"), __wdl.weekday()); +} + +template <class _CharT, class _Traits> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const month_day& __md) { + // TODO FMT The Standard allows 30th of February to be printed. + // It would be nice to show an error message instead. + return __os << std::format(__os.getloc(), _LIBCPP_STATICALLY_WIDEN(_CharT, "{:L}/{}"), __md.month(), __md.day()); +} + +template <class _CharT, class _Traits> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const month_day_last& __mdl) { + return __os << std::format(__os.getloc(), _LIBCPP_STATICALLY_WIDEN(_CharT, "{:L}/last"), __mdl.month()); +} + +template <class _CharT, class _Traits> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const month_weekday& __mwd) { + return __os << std::format( + __os.getloc(), _LIBCPP_STATICALLY_WIDEN(_CharT, "{:L}/{:L}"), __mwd.month(), __mwd.weekday_indexed()); +} + +template <class _CharT, class _Traits> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const month_weekday_last& __mwdl) { + return __os << std::format( + __os.getloc(), _LIBCPP_STATICALLY_WIDEN(_CharT, "{:L}/{:L}"), __mwdl.month(), __mwdl.weekday_last()); +} + +template <class _CharT, class _Traits> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const year_month& __ym) { + return __os << std::format(__os.getloc(), _LIBCPP_STATICALLY_WIDEN(_CharT, "{}/{:L}"), __ym.year(), __ym.month()); +} + +template <class _CharT, class _Traits> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const year_month_day& __ymd) { + return __os << (__ymd.ok() ? std::format(_LIBCPP_STATICALLY_WIDEN(_CharT, "{:%F}"), __ymd) + : std::format(_LIBCPP_STATICALLY_WIDEN(_CharT, "{:%F} is not a valid date"), __ymd)); +} + +template <class _CharT, class _Traits> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const year_month_day_last& __ymdl) { + return __os << std::format( + __os.getloc(), _LIBCPP_STATICALLY_WIDEN(_CharT, "{}/{:L}"), __ymdl.year(), __ymdl.month_day_last()); +} + +template <class _CharT, class _Traits> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const year_month_weekday& __ymwd) { + return __os << std::format( + __os.getloc(), + _LIBCPP_STATICALLY_WIDEN(_CharT, "{}/{:L}/{:L}"), + __ymwd.year(), + __ymwd.month(), + __ymwd.weekday_indexed()); +} + +template <class _CharT, class _Traits> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const year_month_weekday_last& __ymwdl) { + return __os << std::format( + __os.getloc(), + _LIBCPP_STATICALLY_WIDEN(_CharT, "{}/{:L}/{:L}"), + __ymwdl.year(), + __ymwdl.month(), + __ymwdl.weekday_last()); +} + +template <class _CharT, class _Traits, class _Duration> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const hh_mm_ss<_Duration> __hms) { + return __os << std::format(__os.getloc(), _LIBCPP_STATICALLY_WIDEN(_CharT, "{:L%T}"), __hms); +} + +# if _LIBCPP_HAS_EXPERIMENTAL_TZDB + +template <class _CharT, class _Traits> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const sys_info& __info) { + // __info.abbrev is always std::basic_string<char>. + // Since these strings typically are short the conversion should be cheap. + std::basic_string<_CharT> __abbrev{__info.abbrev.begin(), __info.abbrev.end()}; + return __os << std::format( + _LIBCPP_STATICALLY_WIDEN(_CharT, "[{:%F %T}, {:%F %T}) {:%T} {:%Q%q} \"{}\""), + __info.begin, + __info.end, + hh_mm_ss{__info.offset}, + __info.save, + __abbrev); +} + +template <class _CharT, class _Traits> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const local_info& __info) { + auto __result = [&]() -> basic_string<_CharT> { + switch (__info.result) { + case local_info::unique: + return _LIBCPP_STATICALLY_WIDEN(_CharT, "unique"); + case local_info::nonexistent: + return _LIBCPP_STATICALLY_WIDEN(_CharT, "non-existent"); + case local_info::ambiguous: + return _LIBCPP_STATICALLY_WIDEN(_CharT, "ambiguous"); + + default: + return std::format(_LIBCPP_STATICALLY_WIDEN(_CharT, "unspecified result ({})"), __info.result); + }; + }; + + return __os << std::format( + _LIBCPP_STATICALLY_WIDEN(_CharT, "{}: {{{}, {}}}"), __result(), __info.first, __info.second); +} + +# if _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM +template <class _CharT, class _Traits, class _Duration, class _TimeZonePtr> +_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>& +operator<<(basic_ostream<_CharT, _Traits>& __os, const zoned_time<_Duration, _TimeZonePtr>& __tp) { + return __os << std::format(__os.getloc(), _LIBCPP_STATICALLY_WIDEN(_CharT, "{:L%F %T %Z}"), __tp); +} +# endif +# endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB + +} // namespace chrono + +# endif // if _LIBCPP_STD_VER >= 20 + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_HAS_LOCALIZATION + +#endif // _LIBCPP___CHRONO_OSTREAM_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/parser_std_format_spec.h b/third_party/libcxx/include/c++/v1/__chrono/parser_std_format_spec.h new file mode 100644 index 0000000..8ecc19f --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/parser_std_format_spec.h @@ -0,0 +1,421 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_PARSER_STD_FORMAT_SPEC_H +#define _LIBCPP___CHRONO_PARSER_STD_FORMAT_SPEC_H + +#include <__config> + +#if _LIBCPP_HAS_LOCALIZATION + +# include <__format/concepts.h> +# include <__format/format_error.h> +# include <__format/format_parse_context.h> +# include <__format/formatter_string.h> +# include <__format/parser_std_format_spec.h> +# include <string_view> + +# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +# endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +# if _LIBCPP_STD_VER >= 20 + +namespace __format_spec { + +// By not placing this constant in the formatter class it's not duplicated for char and wchar_t +inline constexpr __fields __fields_chrono_fractional{ + .__precision_ = true, .__locale_specific_form_ = true, .__type_ = false}; +inline constexpr __fields __fields_chrono{.__locale_specific_form_ = true, .__type_ = false}; + +/// Flags available or required in a chrono type. +/// +/// The caller of the chrono formatter lists the types it has available and the +/// validation tests whether the requested type spec (e.g. %M) is available in +/// the formatter. +/// When the type in the chrono-format-spec isn't present in the data a +/// \ref format_error is thrown. +enum class __flags { + __second = 0x1, + __minute = 0x2, + __hour = 0x4, + __time = __hour | __minute | __second, + + __day = 0x8, + __month = 0x10, + __year = 0x20, + + __weekday = 0x40, + + __month_day = __day | __month, + __month_weekday = __weekday | __month, + __year_month = __month | __year, + __date = __day | __month | __year | __weekday, + + __date_time = __date | __time, + + __duration = 0x80 | __time, + + __time_zone = 0x100, + + __clock = __date_time | __time_zone +}; + +_LIBCPP_HIDE_FROM_ABI constexpr __flags operator&(__flags __lhs, __flags __rhs) { + return static_cast<__flags>(static_cast<unsigned>(__lhs) & static_cast<unsigned>(__rhs)); +} + +_LIBCPP_HIDE_FROM_ABI constexpr void __validate_second(__flags __flags) { + if ((__flags & __flags::__second) != __flags::__second) + std::__throw_format_error("The supplied date time doesn't contain a second"); +} + +_LIBCPP_HIDE_FROM_ABI constexpr void __validate_minute(__flags __flags) { + if ((__flags & __flags::__minute) != __flags::__minute) + std::__throw_format_error("The supplied date time doesn't contain a minute"); +} + +_LIBCPP_HIDE_FROM_ABI constexpr void __validate_hour(__flags __flags) { + if ((__flags & __flags::__hour) != __flags::__hour) + std::__throw_format_error("The supplied date time doesn't contain an hour"); +} + +_LIBCPP_HIDE_FROM_ABI constexpr void __validate_time(__flags __flags) { + if ((__flags & __flags::__time) != __flags::__time) + std::__throw_format_error("The supplied date time doesn't contain a time"); +} + +_LIBCPP_HIDE_FROM_ABI constexpr void __validate_day(__flags __flags) { + if ((__flags & __flags::__day) != __flags::__day) + std::__throw_format_error("The supplied date time doesn't contain a day"); +} + +_LIBCPP_HIDE_FROM_ABI constexpr void __validate_month(__flags __flags) { + if ((__flags & __flags::__month) != __flags::__month) + std::__throw_format_error("The supplied date time doesn't contain a month"); +} + +_LIBCPP_HIDE_FROM_ABI constexpr void __validate_year(__flags __flags) { + if ((__flags & __flags::__year) != __flags::__year) + std::__throw_format_error("The supplied date time doesn't contain a year"); +} + +_LIBCPP_HIDE_FROM_ABI constexpr void __validate_date(__flags __flags) { + if ((__flags & __flags::__date) != __flags::__date) + std::__throw_format_error("The supplied date time doesn't contain a date"); +} + +_LIBCPP_HIDE_FROM_ABI constexpr void __validate_date_or_duration(__flags __flags) { + if (((__flags & __flags::__date) != __flags::__date) && ((__flags & __flags::__duration) != __flags::__duration)) + std::__throw_format_error("The supplied date time doesn't contain a date or duration"); +} + +_LIBCPP_HIDE_FROM_ABI constexpr void __validate_date_time(__flags __flags) { + if ((__flags & __flags::__date_time) != __flags::__date_time) + std::__throw_format_error("The supplied date time doesn't contain a date and time"); +} + +_LIBCPP_HIDE_FROM_ABI constexpr void __validate_weekday(__flags __flags) { + if ((__flags & __flags::__weekday) != __flags::__weekday) + std::__throw_format_error("The supplied date time doesn't contain a weekday"); +} + +_LIBCPP_HIDE_FROM_ABI constexpr void __validate_duration(__flags __flags) { + if ((__flags & __flags::__duration) != __flags::__duration) + std::__throw_format_error("The supplied date time doesn't contain a duration"); +} + +_LIBCPP_HIDE_FROM_ABI constexpr void __validate_time_zone(__flags __flags) { + if ((__flags & __flags::__time_zone) != __flags::__time_zone) + std::__throw_format_error("The supplied date time doesn't contain a time zone"); +} + +template <class _CharT> +class __parser_chrono { + using _ConstIterator _LIBCPP_NODEBUG = typename basic_format_parse_context<_CharT>::const_iterator; + +public: + template <class _ParseContext> + _LIBCPP_HIDE_FROM_ABI constexpr typename _ParseContext::iterator + __parse(_ParseContext& __ctx, __fields __fields, __flags __flags) { + _ConstIterator __begin = __parser_.__parse(__ctx, __fields); + _ConstIterator __end = __ctx.end(); + if (__begin == __end) + return __begin; + + _ConstIterator __last = __parse_chrono_specs(__begin, __end, __flags); + __chrono_specs_ = basic_string_view<_CharT>{__begin, __last}; + + return __last; + } + + __parser<_CharT> __parser_; + basic_string_view<_CharT> __chrono_specs_; + +private: + _LIBCPP_HIDE_FROM_ABI constexpr _ConstIterator + __parse_chrono_specs(_ConstIterator __begin, _ConstIterator __end, __flags __flags) { + _LIBCPP_ASSERT_INTERNAL(__begin != __end, + "When called with an empty input the function will cause " + "undefined behavior by evaluating data not in the input"); + + if (*__begin != _CharT('%') && *__begin != _CharT('}')) + std::__throw_format_error("The format specifier expects a '%' or a '}'"); + + do { + switch (*__begin) { + case _CharT('{'): + std::__throw_format_error("The chrono specifiers contain a '{'"); + + case _CharT('}'): + return __begin; + + case _CharT('%'): + __parse_conversion_spec(__begin, __end, __flags); + [[fallthrough]]; + + default: + // All other literals + ++__begin; + } + + } while (__begin != __end && *__begin != _CharT('}')); + + return __begin; + } + + /// \pre *__begin == '%' + /// \post __begin points at the end parsed conversion-spec + _LIBCPP_HIDE_FROM_ABI constexpr void + __parse_conversion_spec(_ConstIterator& __begin, _ConstIterator __end, __flags __flags) { + ++__begin; + if (__begin == __end) + std::__throw_format_error("End of input while parsing a conversion specifier"); + + switch (*__begin) { + case _CharT('n'): + case _CharT('t'): + case _CharT('%'): + break; + + case _CharT('S'): + __format_spec::__validate_second(__flags); + break; + + case _CharT('M'): + __format_spec::__validate_minute(__flags); + break; + + case _CharT('p'): // TODO FMT does the formater require an hour or a time? + case _CharT('H'): + case _CharT('I'): + __parser_.__hour_ = true; + __validate_hour(__flags); + break; + + case _CharT('r'): + case _CharT('R'): + case _CharT('T'): + case _CharT('X'): + __parser_.__hour_ = true; + __format_spec::__validate_time(__flags); + break; + + case _CharT('d'): + case _CharT('e'): + __format_spec::__validate_day(__flags); + break; + + case _CharT('b'): + case _CharT('h'): + case _CharT('B'): + __parser_.__month_name_ = true; + [[fallthrough]]; + case _CharT('m'): + __format_spec::__validate_month(__flags); + break; + + case _CharT('y'): + case _CharT('C'): + case _CharT('Y'): + __format_spec::__validate_year(__flags); + break; + + case _CharT('j'): + __parser_.__day_of_year_ = true; + __format_spec::__validate_date_or_duration(__flags); + break; + + case _CharT('g'): + case _CharT('G'): + case _CharT('U'): + case _CharT('V'): + case _CharT('W'): + __parser_.__week_of_year_ = true; + [[fallthrough]]; + case _CharT('x'): + case _CharT('D'): + case _CharT('F'): + __format_spec::__validate_date(__flags); + break; + + case _CharT('c'): + __format_spec::__validate_date_time(__flags); + break; + + case _CharT('a'): + case _CharT('A'): + __parser_.__weekday_name_ = true; + [[fallthrough]]; + case _CharT('u'): + case _CharT('w'): + __parser_.__weekday_ = true; + __validate_weekday(__flags); + __format_spec::__validate_weekday(__flags); + break; + + case _CharT('q'): + case _CharT('Q'): + __format_spec::__validate_duration(__flags); + break; + + case _CharT('E'): + __parse_modifier_E(__begin, __end, __flags); + break; + + case _CharT('O'): + __parse_modifier_O(__begin, __end, __flags); + break; + + case _CharT('z'): + case _CharT('Z'): + // Currently there's no time zone information. However some clocks have a + // hard-coded "time zone", for these clocks the information can be used. + // TODO FMT implement time zones. + __format_spec::__validate_time_zone(__flags); + break; + + default: // unknown type; + std::__throw_format_error("The date time type specifier is invalid"); + } + } + + /// \pre *__begin == 'E' + /// \post __begin is incremented by one. + _LIBCPP_HIDE_FROM_ABI constexpr void + __parse_modifier_E(_ConstIterator& __begin, _ConstIterator __end, __flags __flags) { + ++__begin; + if (__begin == __end) + std::__throw_format_error("End of input while parsing the modifier E"); + + switch (*__begin) { + case _CharT('X'): + __parser_.__hour_ = true; + __format_spec::__validate_time(__flags); + break; + + case _CharT('y'): + case _CharT('C'): + case _CharT('Y'): + __format_spec::__validate_year(__flags); + break; + + case _CharT('x'): + __format_spec::__validate_date(__flags); + break; + + case _CharT('c'): + __format_spec::__validate_date_time(__flags); + break; + + case _CharT('z'): + // Currently there's no time zone information. However some clocks have a + // hard-coded "time zone", for these clocks the information can be used. + // TODO FMT implement time zones. + __format_spec::__validate_time_zone(__flags); + break; + + default: + std::__throw_format_error("The date time type specifier for modifier E is invalid"); + } + } + + /// \pre *__begin == 'O' + /// \post __begin is incremented by one. + _LIBCPP_HIDE_FROM_ABI constexpr void + __parse_modifier_O(_ConstIterator& __begin, _ConstIterator __end, __flags __flags) { + ++__begin; + if (__begin == __end) + std::__throw_format_error("End of input while parsing the modifier O"); + + switch (*__begin) { + case _CharT('S'): + __format_spec::__validate_second(__flags); + break; + + case _CharT('M'): + __format_spec::__validate_minute(__flags); + break; + + case _CharT('I'): + case _CharT('H'): + __parser_.__hour_ = true; + __format_spec::__validate_hour(__flags); + break; + + case _CharT('d'): + case _CharT('e'): + __format_spec::__validate_day(__flags); + break; + + case _CharT('m'): + __format_spec::__validate_month(__flags); + break; + + case _CharT('y'): + __format_spec::__validate_year(__flags); + break; + + case _CharT('U'): + case _CharT('V'): + case _CharT('W'): + __parser_.__week_of_year_ = true; + __format_spec::__validate_date(__flags); + break; + + case _CharT('u'): + case _CharT('w'): + __parser_.__weekday_ = true; + __format_spec::__validate_weekday(__flags); + break; + + case _CharT('z'): + // Currently there's no time zone information. However some clocks have a + // hard-coded "time zone", for these clocks the information can be used. + // TODO FMT implement time zones. + __format_spec::__validate_time_zone(__flags); + break; + + default: + std::__throw_format_error("The date time type specifier for modifier O is invalid"); + } + } +}; + +} // namespace __format_spec + +# endif // _LIBCPP_STD_VER >= 20 + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_HAS_LOCALIZATION + +#endif // _LIBCPP___CHRONO_PARSER_STD_FORMAT_SPEC_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/statically_widen.h b/third_party/libcxx/include/c++/v1/__chrono/statically_widen.h new file mode 100644 index 0000000..40e0856 --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/statically_widen.h @@ -0,0 +1,52 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_STATICALLY_WIDEN_H +#define _LIBCPP___CHRONO_STATICALLY_WIDEN_H + +// Implements the STATICALLY-WIDEN exposition-only function. ([time.general]/2) + +#include <__concepts/same_as.h> +#include <__config> +#include <__format/concepts.h> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +#if _LIBCPP_STD_VER >= 20 + +# if _LIBCPP_HAS_WIDE_CHARACTERS +template <__fmt_char_type _CharT> +_LIBCPP_HIDE_FROM_ABI constexpr const _CharT* __statically_widen(const char* __str, const wchar_t* __wstr) { + if constexpr (same_as<_CharT, char>) + return __str; + else + return __wstr; +} +# define _LIBCPP_STATICALLY_WIDEN(_CharT, __str) ::std::__statically_widen<_CharT>(__str, L##__str) +# else // _LIBCPP_HAS_WIDE_CHARACTERS + +// Without this indirection the unit test test/libcxx/modules_include.sh.cpp +// fails for the CI build "No wide characters". This seems like a bug. +// TODO FMT investigate why this is needed. +template <__fmt_char_type _CharT> +_LIBCPP_HIDE_FROM_ABI constexpr const _CharT* __statically_widen(const char* __str) { + return __str; +} +# define _LIBCPP_STATICALLY_WIDEN(_CharT, __str) ::std::__statically_widen<_CharT>(__str) +# endif // _LIBCPP_HAS_WIDE_CHARACTERS + +#endif // _LIBCPP_STD_VER >= 20 + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___CHRONO_STATICALLY_WIDEN_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/steady_clock.h b/third_party/libcxx/include/c++/v1/__chrono/steady_clock.h new file mode 100644 index 0000000..8e68c9a --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/steady_clock.h @@ -0,0 +1,42 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_STEADY_CLOCK_H +#define _LIBCPP___CHRONO_STEADY_CLOCK_H + +#include <__chrono/duration.h> +#include <__chrono/time_point.h> +#include <__config> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +namespace chrono { + +#if _LIBCPP_HAS_MONOTONIC_CLOCK +class _LIBCPP_EXPORTED_FROM_ABI steady_clock { +public: + typedef nanoseconds duration; + typedef duration::rep rep; + typedef duration::period period; + typedef chrono::time_point<steady_clock, duration> time_point; + static _LIBCPP_CONSTEXPR_SINCE_CXX14 const bool is_steady = true; + + [[__nodiscard__]] static time_point now() _NOEXCEPT; +}; +#endif + +} // namespace chrono + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___CHRONO_STEADY_CLOCK_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/sys_info.h b/third_party/libcxx/include/c++/v1/__chrono/sys_info.h new file mode 100644 index 0000000..81e37f2 --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/sys_info.h @@ -0,0 +1,51 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +// For information see https://libcxx.llvm.org/DesignDocs/TimeZone.html + +#ifndef _LIBCPP___CHRONO_SYS_INFO_H +#define _LIBCPP___CHRONO_SYS_INFO_H + +#include <version> +// Enable the contents of the header only when libc++ was built with experimental features enabled. +#if _LIBCPP_HAS_EXPERIMENTAL_TZDB + +# include <__chrono/duration.h> +# include <__chrono/system_clock.h> +# include <__chrono/time_point.h> +# include <__config> +# include <string> + +# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +# endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +# if _LIBCPP_STD_VER >= 20 + +namespace chrono { + +struct sys_info { + sys_seconds begin; + sys_seconds end; + seconds offset; + minutes save; + string abbrev; +}; + +} // namespace chrono + +# endif // _LIBCPP_STD_VER >= 20 + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB + +#endif // _LIBCPP___CHRONO_SYS_INFO_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/system_clock.h b/third_party/libcxx/include/c++/v1/__chrono/system_clock.h new file mode 100644 index 0000000..e3ef75a --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/system_clock.h @@ -0,0 +1,52 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_SYSTEM_CLOCK_H +#define _LIBCPP___CHRONO_SYSTEM_CLOCK_H + +#include <__chrono/duration.h> +#include <__chrono/time_point.h> +#include <__config> +#include <ctime> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +namespace chrono { + +class _LIBCPP_EXPORTED_FROM_ABI system_clock { +public: + typedef microseconds duration; + typedef duration::rep rep; + typedef duration::period period; + typedef chrono::time_point<system_clock> time_point; + static _LIBCPP_CONSTEXPR_SINCE_CXX14 const bool is_steady = false; + + [[__nodiscard__]] static time_point now() _NOEXCEPT; + [[__nodiscard__]] static time_t to_time_t(const time_point& __t) _NOEXCEPT; + [[__nodiscard__]] static time_point from_time_t(time_t __t) _NOEXCEPT; +}; + +#if _LIBCPP_STD_VER >= 20 + +template <class _Duration> +using sys_time = time_point<system_clock, _Duration>; +using sys_seconds = sys_time<seconds>; +using sys_days = sys_time<days>; + +#endif + +} // namespace chrono + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP___CHRONO_SYSTEM_CLOCK_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/tai_clock.h b/third_party/libcxx/include/c++/v1/__chrono/tai_clock.h new file mode 100644 index 0000000..14c8b70 --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/tai_clock.h @@ -0,0 +1,108 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_TAI_CLOCK_H +#define _LIBCPP___CHRONO_TAI_CLOCK_H + +#include <version> +// Enable the contents of the header only when libc++ was built with experimental features enabled. +#if _LIBCPP_HAS_EXPERIMENTAL_TZDB + +# include <__assert> +# include <__chrono/duration.h> +# include <__chrono/time_point.h> +# include <__chrono/utc_clock.h> +# include <__config> +# include <__type_traits/common_type.h> + +# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +# endif + +_LIBCPP_PUSH_MACROS +# include <__undef_macros> + +_LIBCPP_BEGIN_NAMESPACE_STD + +# if _LIBCPP_STD_VER >= 20 && _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM && _LIBCPP_HAS_LOCALIZATION + +namespace chrono { + +class tai_clock; + +template <class _Duration> +using tai_time = time_point<tai_clock, _Duration>; +using tai_seconds = tai_time<seconds>; + +// [time.clock.tai.overview]/1 +// The clock tai_clock measures seconds since 1958-01-01 00:00:00 and is +// offset 10s ahead of UTC at this date. That is, 1958-01-01 00:00:00 TAI is +// equivalent to 1957-12-31 23:59:50 UTC. Leap seconds are not inserted into +// TAI. Therefore every time a leap second is inserted into UTC, UTC shifts +// another second with respect to TAI. For example by 2000-01-01 there had +// been 22 positive and 0 negative leap seconds inserted so 2000-01-01 +// 00:00:00 UTC is equivalent to 2000-01-01 00:00:32 TAI (22s plus the +// initial 10s offset). +// +// Note this does not specify what the UTC offset before 1958-01-01 00:00:00 +// TAI is, nor does it follow the "real" TAI clock between 1958-01-01 and the +// start of the UTC epoch. So while the member functions are fully specified in +// the standard, they do not technically follow the "real-world" TAI clock with +// 100% accuracy. +// +// https://koka-lang.github.io/koka/doc/std_time_utc.html contains more +// information and references. +class tai_clock { +public: + using rep = utc_clock::rep; + using period = utc_clock::period; + using duration = chrono::duration<rep, period>; + using time_point = chrono::time_point<tai_clock>; + static constexpr bool is_steady = false; // The utc_clock is not steady. + + // The static difference between UTC and TAI time. + static constexpr chrono::seconds __offset{378691210}; + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static time_point now() { return from_utc(utc_clock::now()); } + + template <class _Duration> + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static utc_time<common_type_t<_Duration, seconds>> + to_utc(const tai_time<_Duration>& __time) noexcept { + using _Rp = common_type_t<_Duration, seconds>; + _Duration __time_since_epoch = __time.time_since_epoch(); + _LIBCPP_ASSERT_ARGUMENT_WITHIN_DOMAIN(__time_since_epoch >= utc_time<_Rp>::min().time_since_epoch() + __offset, + "the TAI to UTC conversion would underflow"); + + return utc_time<_Rp>{__time_since_epoch - __offset}; + } + + template <class _Duration> + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static tai_time<common_type_t<_Duration, seconds>> + from_utc(const utc_time<_Duration>& __time) noexcept { + using _Rp = common_type_t<_Duration, seconds>; + _Duration __time_since_epoch = __time.time_since_epoch(); + _LIBCPP_ASSERT_ARGUMENT_WITHIN_DOMAIN(__time_since_epoch <= utc_time<_Rp>::max().time_since_epoch() - __offset, + "the UTC to TAI conversion would overflow"); + + return tai_time<_Rp>{__time_since_epoch + __offset}; + } +}; + +} // namespace chrono + +# endif // _LIBCPP_STD_VER >= 20 && _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM && + // _LIBCPP_HAS_LOCALIZATION + +_LIBCPP_END_NAMESPACE_STD + +_LIBCPP_POP_MACROS + +#endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB + +#endif // _LIBCPP___CHRONO_TAI_CLOCK_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/time_point.h b/third_party/libcxx/include/c++/v1/__chrono/time_point.h new file mode 100644 index 0000000..d393e34 --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/time_point.h @@ -0,0 +1,255 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_TIME_POINT_H +#define _LIBCPP___CHRONO_TIME_POINT_H + +#include <__chrono/duration.h> +#include <__compare/ordering.h> +#include <__compare/three_way_comparable.h> +#include <__config> +#include <__cstddef/size_t.h> +#include <__functional/hash.h> +#include <__type_traits/common_type.h> +#include <__type_traits/enable_if.h> +#include <__type_traits/is_convertible.h> +#include <limits> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_PUSH_MACROS +#include <__undef_macros> + +_LIBCPP_BEGIN_NAMESPACE_STD + +namespace chrono { + +template <class _Clock, class _Duration = typename _Clock::duration> +class time_point { + static_assert(__is_duration_v<_Duration>, "Second template parameter of time_point must be a std::chrono::duration"); + +public: + typedef _Clock clock; + typedef _Duration duration; + typedef typename duration::rep rep; + typedef typename duration::period period; + +private: + duration __d_; + +public: + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 time_point() : __d_(duration::zero()) {} + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 explicit time_point(const duration& __d) : __d_(__d) {} + + // conversions + template <class _Duration2, __enable_if_t<is_convertible<_Duration2, duration>::value, int> = 0> + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 time_point(const time_point<clock, _Duration2>& __t) + : __d_(__t.time_since_epoch()) {} + + // observer + + [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 duration time_since_epoch() const { + return __d_; + } + + // arithmetic + +#if _LIBCPP_STD_VER >= 20 + _LIBCPP_HIDE_FROM_ABI constexpr time_point& operator++() { + ++__d_; + return *this; + } + _LIBCPP_HIDE_FROM_ABI constexpr time_point operator++(int) { return time_point{__d_++}; } + _LIBCPP_HIDE_FROM_ABI constexpr time_point& operator--() { + --__d_; + return *this; + } + _LIBCPP_HIDE_FROM_ABI constexpr time_point operator--(int) { return time_point{__d_--}; } +#endif // _LIBCPP_STD_VER >= 20 + + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 time_point& operator+=(const duration& __d) { + __d_ += __d; + return *this; + } + _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 time_point& operator-=(const duration& __d) { + __d_ -= __d; + return *this; + } + + // special values + + [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR time_point min() _NOEXCEPT { + return time_point(duration::min()); + } + [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI static _LIBCPP_CONSTEXPR time_point max() _NOEXCEPT { + return time_point(duration::max()); + } +}; + +} // namespace chrono + +template <class _Clock, class _Duration1, class _Duration2> +struct common_type<chrono::time_point<_Clock, _Duration1>, chrono::time_point<_Clock, _Duration2> > { + typedef chrono::time_point<_Clock, typename common_type<_Duration1, _Duration2>::type> type; +}; + +namespace chrono { + +template <class _ToDuration, class _Clock, class _Duration, __enable_if_t<__is_duration_v<_ToDuration>, int> = 0> +[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 time_point<_Clock, _ToDuration> +time_point_cast(const time_point<_Clock, _Duration>& __t) { + return time_point<_Clock, _ToDuration>(chrono::duration_cast<_ToDuration>(__t.time_since_epoch())); +} + +#if _LIBCPP_STD_VER >= 17 +template <class _ToDuration, class _Clock, class _Duration, enable_if_t<__is_duration_v<_ToDuration>, int> = 0> +[[nodiscard]] inline + _LIBCPP_HIDE_FROM_ABI constexpr time_point<_Clock, _ToDuration> floor(const time_point<_Clock, _Duration>& __t) { + return time_point<_Clock, _ToDuration>{chrono::floor<_ToDuration>(__t.time_since_epoch())}; +} + +template <class _ToDuration, class _Clock, class _Duration, enable_if_t<__is_duration_v<_ToDuration>, int> = 0> +[[nodiscard]] inline _LIBCPP_HIDE_FROM_ABI constexpr time_point<_Clock, _ToDuration> +ceil(const time_point<_Clock, _Duration>& __t) { + return time_point<_Clock, _ToDuration>{chrono::ceil<_ToDuration>(__t.time_since_epoch())}; +} + +template <class _ToDuration, class _Clock, class _Duration, enable_if_t<__is_duration_v<_ToDuration>, int> = 0> +[[nodiscard]] inline _LIBCPP_HIDE_FROM_ABI constexpr time_point<_Clock, _ToDuration> +round(const time_point<_Clock, _Duration>& __t) { + return time_point<_Clock, _ToDuration>{chrono::round<_ToDuration>(__t.time_since_epoch())}; +} + +template <class _Rep, class _Period, enable_if_t<numeric_limits<_Rep>::is_signed, int> = 0> +[[nodiscard]] inline _LIBCPP_HIDE_FROM_ABI constexpr duration<_Rep, _Period> abs(duration<_Rep, _Period> __d) { + return __d >= __d.zero() ? +__d : -__d; +} +#endif // _LIBCPP_STD_VER >= 17 + +// time_point == + +template <class _Clock, class _Duration1, class _Duration2> +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 bool +operator==(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) { + return __lhs.time_since_epoch() == __rhs.time_since_epoch(); +} + +#if _LIBCPP_STD_VER <= 17 + +// time_point != + +template <class _Clock, class _Duration1, class _Duration2> +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 bool +operator!=(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) { + return !(__lhs == __rhs); +} + +#endif // _LIBCPP_STD_VER <= 17 + +// time_point < + +template <class _Clock, class _Duration1, class _Duration2> +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 bool +operator<(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) { + return __lhs.time_since_epoch() < __rhs.time_since_epoch(); +} + +// time_point > + +template <class _Clock, class _Duration1, class _Duration2> +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 bool +operator>(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) { + return __rhs < __lhs; +} + +// time_point <= + +template <class _Clock, class _Duration1, class _Duration2> +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 bool +operator<=(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) { + return !(__rhs < __lhs); +} + +// time_point >= + +template <class _Clock, class _Duration1, class _Duration2> +inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 bool +operator>=(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) { + return !(__lhs < __rhs); +} + +#if _LIBCPP_STD_VER >= 20 + +template <class _Clock, class _Duration1, three_way_comparable_with<_Duration1> _Duration2> +_LIBCPP_HIDE_FROM_ABI constexpr auto +operator<=>(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) { + return __lhs.time_since_epoch() <=> __rhs.time_since_epoch(); +} + +#endif // _LIBCPP_STD_VER >= 20 + +// time_point operator+(time_point x, duration y); + +template <class _Clock, class _Duration1, class _Rep2, class _Period2> +[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI +_LIBCPP_CONSTEXPR_SINCE_CXX14 time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type> +operator+(const time_point<_Clock, _Duration1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { + typedef time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type> _Tr; + return _Tr(__lhs.time_since_epoch() + __rhs); +} + +// time_point operator+(duration x, time_point y); + +template <class _Rep1, class _Period1, class _Clock, class _Duration2> +[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI +_LIBCPP_CONSTEXPR_SINCE_CXX14 time_point<_Clock, typename common_type<duration<_Rep1, _Period1>, _Duration2>::type> +operator+(const duration<_Rep1, _Period1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) { + return __rhs + __lhs; +} + +// time_point operator-(time_point x, duration y); + +template <class _Clock, class _Duration1, class _Rep2, class _Period2> +[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI +_LIBCPP_CONSTEXPR_SINCE_CXX14 time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type> +operator-(const time_point<_Clock, _Duration1>& __lhs, const duration<_Rep2, _Period2>& __rhs) { + typedef time_point<_Clock, typename common_type<_Duration1, duration<_Rep2, _Period2> >::type> _Ret; + return _Ret(__lhs.time_since_epoch() - __rhs); +} + +// duration operator-(time_point x, time_point y); + +template <class _Clock, class _Duration1, class _Duration2> +[[__nodiscard__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 +typename common_type<_Duration1, _Duration2>::type +operator-(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock, _Duration2>& __rhs) { + return __lhs.time_since_epoch() - __rhs.time_since_epoch(); +} + +} // namespace chrono + +#if _LIBCPP_STD_VER >= 26 + +template <class _Clock, class _Duration> + requires __has_enabled_hash<_Duration>::value +struct hash<chrono::time_point<_Clock, _Duration>> { + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static size_t operator()(const chrono::time_point<_Clock, _Duration>& __tp) { + return hash<_Duration>{}(__tp.time_since_epoch()); + } +}; + +#endif // _LIBCPP_STD_VER >= 26 + +_LIBCPP_END_NAMESPACE_STD + +_LIBCPP_POP_MACROS + +#endif // _LIBCPP___CHRONO_TIME_POINT_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/time_zone.h b/third_party/libcxx/include/c++/v1/__chrono/time_zone.h new file mode 100644 index 0000000..d18d59d --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/time_zone.h @@ -0,0 +1,185 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +// For information see https://libcxx.llvm.org/DesignDocs/TimeZone.html + +#ifndef _LIBCPP___CHRONO_TIME_ZONE_H +#define _LIBCPP___CHRONO_TIME_ZONE_H + +#include <version> +// Enable the contents of the header only when libc++ was built with experimental features enabled. +#if _LIBCPP_HAS_EXPERIMENTAL_TZDB + +# include <__chrono/calendar.h> +# include <__chrono/duration.h> +# include <__chrono/exception.h> +# include <__chrono/local_info.h> +# include <__chrono/sys_info.h> +# include <__chrono/system_clock.h> +# include <__compare/strong_order.h> +# include <__config> +# include <__memory/unique_ptr.h> +# include <__type_traits/common_type.h> +# include <string_view> + +# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +# endif + +_LIBCPP_PUSH_MACROS +# include <__undef_macros> + +_LIBCPP_BEGIN_NAMESPACE_STD + +# if _LIBCPP_STD_VER >= 20 && _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM && _LIBCPP_HAS_LOCALIZATION + +namespace chrono { + +enum class choose { earliest, latest }; + +class _LIBCPP_AVAILABILITY_TZDB time_zone { + _LIBCPP_HIDE_FROM_ABI time_zone() = default; + +public: + class __impl; // public so it can be used by make_unique. + + // The "constructor". + // + // The default constructor is private to avoid the constructor from being + // part of the ABI. Instead use an __ugly_named function as an ABI interface, + // since that gives us the ability to change it in the future. + [[nodiscard]] _LIBCPP_EXPORTED_FROM_ABI static time_zone __create(unique_ptr<__impl>&& __p); + + _LIBCPP_EXPORTED_FROM_ABI ~time_zone(); + + _LIBCPP_HIDE_FROM_ABI time_zone(time_zone&&) = default; + _LIBCPP_HIDE_FROM_ABI time_zone& operator=(time_zone&&) = default; + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI string_view name() const noexcept { return __name(); } + + template <class _Duration> + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI sys_info get_info(const sys_time<_Duration>& __time) const { + return __get_info(chrono::time_point_cast<seconds>(__time)); + } + + template <class _Duration> + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI local_info get_info(const local_time<_Duration>& __time) const { + return __get_info(chrono::time_point_cast<seconds>(__time)); + } + + // We don't apply nodiscard here since this function throws on many inputs, + // so it could be used as a validation. + template <class _Duration> + _LIBCPP_HIDE_FROM_ABI sys_time<common_type_t<_Duration, seconds>> to_sys(const local_time<_Duration>& __time) const { + local_info __info = get_info(__time); + switch (__info.result) { + case local_info::unique: + return sys_time<common_type_t<_Duration, seconds>>{__time.time_since_epoch() - __info.first.offset}; + + case local_info::nonexistent: + chrono::__throw_nonexistent_local_time(__time, __info); + + case local_info::ambiguous: + chrono::__throw_ambiguous_local_time(__time, __info); + } + + // TODO TZDB The Standard does not specify anything in these cases. + _LIBCPP_ASSERT_ARGUMENT_WITHIN_DOMAIN( + __info.result != -1, "cannot convert the local time; it would be before the minimum system clock value"); + _LIBCPP_ASSERT_ARGUMENT_WITHIN_DOMAIN( + __info.result != -2, "cannot convert the local time; it would be after the maximum system clock value"); + + return {}; + } + + template <class _Duration> + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI sys_time<common_type_t<_Duration, seconds>> + to_sys(const local_time<_Duration>& __time, choose __z) const { + local_info __info = get_info(__time); + switch (__info.result) { + case local_info::unique: // first and second are the same + return sys_time<common_type_t<_Duration, seconds>>{__time.time_since_epoch() - __info.first.offset}; + + case local_info::nonexistent: + // first and second are the same + // All non-existing values are converted to the same time. + return sys_time<common_type_t<_Duration, seconds>>{__info.first.end}; + + case local_info::ambiguous: + switch (__z) { + case choose::earliest: + return sys_time<common_type_t<_Duration, seconds>>{__time.time_since_epoch() - __info.first.offset}; + + case choose::latest: + return sys_time<common_type_t<_Duration, seconds>>{__time.time_since_epoch() - __info.second.offset}; + + // Note a value out of bounds is not specified. + } + } + + // TODO TZDB The standard does not specify anything in these cases. + _LIBCPP_ASSERT_ARGUMENT_WITHIN_DOMAIN( + __info.result != -1, "cannot convert the local time; it would be before the minimum system clock value"); + _LIBCPP_ASSERT_ARGUMENT_WITHIN_DOMAIN( + __info.result != -2, "cannot convert the local time; it would be after the maximum system clock value"); + + return {}; + } + + template <class _Duration> + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI local_time<common_type_t<_Duration, seconds>> + to_local(const sys_time<_Duration>& __time) const { + using _Dp = common_type_t<_Duration, seconds>; + + sys_info __info = get_info(__time); + + _LIBCPP_ASSERT_ARGUMENT_WITHIN_DOMAIN( + __info.offset >= chrono::seconds{0} || __time.time_since_epoch() >= _Dp::min() - __info.offset, + "cannot convert the system time; it would be before the minimum local clock value"); + + _LIBCPP_ASSERT_ARGUMENT_WITHIN_DOMAIN( + __info.offset <= chrono::seconds{0} || __time.time_since_epoch() <= _Dp::max() - __info.offset, + "cannot convert the system time; it would be after the maximum local clock value"); + + return local_time<_Dp>{__time.time_since_epoch() + __info.offset}; + } + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI const __impl& __implementation() const noexcept { return *__impl_; } + +private: + [[nodiscard]] _LIBCPP_EXPORTED_FROM_ABI string_view __name() const noexcept; + + [[nodiscard]] _LIBCPP_AVAILABILITY_TZDB _LIBCPP_EXPORTED_FROM_ABI sys_info __get_info(sys_seconds __time) const; + [[nodiscard]] _LIBCPP_AVAILABILITY_TZDB _LIBCPP_EXPORTED_FROM_ABI local_info __get_info(local_seconds __time) const; + + unique_ptr<__impl> __impl_; +}; + +[[nodiscard]] _LIBCPP_AVAILABILITY_TZDB _LIBCPP_HIDE_FROM_ABI inline bool +operator==(const time_zone& __x, const time_zone& __y) noexcept { + return __x.name() == __y.name(); +} + +[[nodiscard]] _LIBCPP_AVAILABILITY_TZDB _LIBCPP_HIDE_FROM_ABI inline strong_ordering +operator<=>(const time_zone& __x, const time_zone& __y) noexcept { + return __x.name() <=> __y.name(); +} + +} // namespace chrono + +# endif // _LIBCPP_STD_VER >= 20 && _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM && + // _LIBCPP_HAS_LOCALIZATION + +_LIBCPP_END_NAMESPACE_STD + +_LIBCPP_POP_MACROS + +#endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB + +#endif // _LIBCPP___CHRONO_TIME_ZONE_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/time_zone_link.h b/third_party/libcxx/include/c++/v1/__chrono/time_zone_link.h new file mode 100644 index 0000000..cae40b0 --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/time_zone_link.h @@ -0,0 +1,79 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +// For information see https://libcxx.llvm.org/DesignDocs/TimeZone.html + +#ifndef _LIBCPP___CHRONO_TIME_ZONE_LINK_H +#define _LIBCPP___CHRONO_TIME_ZONE_LINK_H + +#include <version> +// Enable the contents of the header only when libc++ was built with experimental features enabled. +#if _LIBCPP_HAS_EXPERIMENTAL_TZDB + +# include <__compare/strong_order.h> +# include <__config> +# include <__utility/private_constructor_tag.h> +# include <string> +# include <string_view> + +# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +# endif + +_LIBCPP_PUSH_MACROS +# include <__undef_macros> + +_LIBCPP_BEGIN_NAMESPACE_STD + +# if _LIBCPP_STD_VER >= 20 && _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM && _LIBCPP_HAS_LOCALIZATION + +namespace chrono { + +class time_zone_link { +public: + [[nodiscard]] + _LIBCPP_HIDE_FROM_ABI explicit time_zone_link(__private_constructor_tag, string_view __name, string_view __target) + : __name_{__name}, __target_{__target} {} + + _LIBCPP_HIDE_FROM_ABI time_zone_link(time_zone_link&&) = default; + _LIBCPP_HIDE_FROM_ABI time_zone_link& operator=(time_zone_link&&) = default; + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI string_view name() const noexcept { return __name_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI string_view target() const noexcept { return __target_; } + +private: + string __name_; + // TODO TZDB instead of the name we can store the pointer to a zone. These + // pointers are immutable. This makes it possible to directly return a + // pointer in the time_zone in the 'locate_zone' function. + string __target_; +}; + +[[nodiscard]] _LIBCPP_AVAILABILITY_TZDB _LIBCPP_HIDE_FROM_ABI inline bool +operator==(const time_zone_link& __x, const time_zone_link& __y) noexcept { + return __x.name() == __y.name(); +} + +[[nodiscard]] _LIBCPP_AVAILABILITY_TZDB _LIBCPP_HIDE_FROM_ABI inline strong_ordering +operator<=>(const time_zone_link& __x, const time_zone_link& __y) noexcept { + return __x.name() <=> __y.name(); +} + +} // namespace chrono + +# endif // _LIBCPP_STD_VER >= 20 && _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM && + // _LIBCPP_HAS_LOCALIZATION + +_LIBCPP_END_NAMESPACE_STD + +_LIBCPP_POP_MACROS + +#endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB + +#endif // _LIBCPP___CHRONO_TIME_ZONE_LINK_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/tzdb.h b/third_party/libcxx/include/c++/v1/__chrono/tzdb.h new file mode 100644 index 0000000..fb85f66 --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/tzdb.h @@ -0,0 +1,96 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +// For information see https://libcxx.llvm.org/DesignDocs/TimeZone.html + +#ifndef _LIBCPP___CHRONO_TZDB_H +#define _LIBCPP___CHRONO_TZDB_H + +#include <version> +// Enable the contents of the header only when libc++ was built with experimental features enabled. +#if _LIBCPP_HAS_EXPERIMENTAL_TZDB + +# include <__algorithm/ranges_lower_bound.h> +# include <__chrono/leap_second.h> +# include <__chrono/time_zone.h> +# include <__chrono/time_zone_link.h> +# include <__config> +# include <__memory/addressof.h> +# include <__vector/vector.h> +# include <stdexcept> +# include <string> +# include <string_view> + +# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +# endif + +_LIBCPP_PUSH_MACROS +# include <__undef_macros> + +_LIBCPP_BEGIN_NAMESPACE_STD + +# if _LIBCPP_STD_VER >= 20 && _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM && _LIBCPP_HAS_LOCALIZATION + +namespace chrono { + +struct tzdb { + string version; + vector<time_zone> zones; + vector<time_zone_link> links; + + vector<leap_second> leap_seconds; + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI const time_zone* __locate_zone(string_view __name) const { + if (const time_zone* __result = __find_in_zone(__name)) + return __result; + + if (auto __it = ranges::lower_bound(links, __name, {}, &time_zone_link::name); + __it != links.end() && __it->name() == __name) + if (const time_zone* __result = __find_in_zone(__it->target())) + return __result; + + return nullptr; + } + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI const time_zone* locate_zone(string_view __name) const { + if (const time_zone* __result = __locate_zone(__name)) + return __result; + + std::__throw_runtime_error("tzdb: requested time zone not found"); + } + + [[nodiscard]] _LIBCPP_AVAILABILITY_TZDB _LIBCPP_HIDE_FROM_ABI const time_zone* current_zone() const { + return __current_zone(); + } + +private: + _LIBCPP_HIDE_FROM_ABI const time_zone* __find_in_zone(string_view __name) const noexcept { + if (auto __it = ranges::lower_bound(zones, __name, {}, &time_zone::name); + __it != zones.end() && __it->name() == __name) + return std::addressof(*__it); + + return nullptr; + } + + [[nodiscard]] _LIBCPP_AVAILABILITY_TZDB _LIBCPP_EXPORTED_FROM_ABI const time_zone* __current_zone() const; +}; + +} // namespace chrono + +# endif // _LIBCPP_STD_VER >= 20 && _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM && + // _LIBCPP_HAS_LOCALIZATION + +_LIBCPP_END_NAMESPACE_STD + +_LIBCPP_POP_MACROS + +#endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB + +#endif // _LIBCPP___CHRONO_TZDB_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/tzdb_list.h b/third_party/libcxx/include/c++/v1/__chrono/tzdb_list.h new file mode 100644 index 0000000..2b83a6d --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/tzdb_list.h @@ -0,0 +1,108 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +// For information see https://libcxx.llvm.org/DesignDocs/TimeZone.html + +#ifndef _LIBCPP___CHRONO_TZDB_LIST_H +#define _LIBCPP___CHRONO_TZDB_LIST_H + +#include <version> +// Enable the contents of the header only when libc++ was built with experimental features enabled. +#if _LIBCPP_HAS_EXPERIMENTAL_TZDB + +# include <__chrono/time_zone.h> +# include <__chrono/tzdb.h> +# include <__config> +# include <__fwd/string.h> +# include <forward_list> +# include <string_view> + +# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +# endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +# if _LIBCPP_STD_VER >= 20 && _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM && _LIBCPP_HAS_LOCALIZATION + +namespace chrono { + +// TODO TZDB +// Libc++ recently switched to only export __ugly_names from the dylib. +// Since the library is still experimental the functions in this header +// should be adapted to this new style. The other tzdb headers should be +// evaluated too. + +class _LIBCPP_AVAILABILITY_TZDB tzdb_list { +public: + class __impl; // public to allow construction in dylib + _LIBCPP_HIDE_FROM_ABI explicit tzdb_list(__impl* __p) : __impl_(__p) { + _LIBCPP_ASSERT_NON_NULL(__impl_ != nullptr, "initialized time_zone without a valid pimpl object"); + } + _LIBCPP_EXPORTED_FROM_ABI ~tzdb_list(); + + tzdb_list(const tzdb_list&) = delete; + tzdb_list& operator=(const tzdb_list&) = delete; + + using const_iterator = forward_list<tzdb>::const_iterator; + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI const tzdb& front() const noexcept { return __front(); } + + _LIBCPP_HIDE_FROM_ABI const_iterator erase_after(const_iterator __p) { return __erase_after(__p); } + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI const_iterator begin() const noexcept { return __begin(); } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI const_iterator end() const noexcept { return __end(); } + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI const_iterator cbegin() const noexcept { return __cbegin(); } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI const_iterator cend() const noexcept { return __cend(); } + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI __impl& __implementation() { return *__impl_; } + +private: + [[nodiscard]] _LIBCPP_EXPORTED_FROM_ABI const tzdb& __front() const noexcept; + + _LIBCPP_EXPORTED_FROM_ABI const_iterator __erase_after(const_iterator __p); + + [[nodiscard]] _LIBCPP_EXPORTED_FROM_ABI const_iterator __begin() const noexcept; + [[nodiscard]] _LIBCPP_EXPORTED_FROM_ABI const_iterator __end() const noexcept; + + [[nodiscard]] _LIBCPP_EXPORTED_FROM_ABI const_iterator __cbegin() const noexcept; + [[nodiscard]] _LIBCPP_EXPORTED_FROM_ABI const_iterator __cend() const noexcept; + + __impl* __impl_; +}; + +[[nodiscard]] _LIBCPP_AVAILABILITY_TZDB _LIBCPP_EXPORTED_FROM_ABI tzdb_list& get_tzdb_list(); + +[[nodiscard]] _LIBCPP_AVAILABILITY_TZDB _LIBCPP_HIDE_FROM_ABI inline const tzdb& get_tzdb() { + return get_tzdb_list().front(); +} + +[[nodiscard]] _LIBCPP_AVAILABILITY_TZDB _LIBCPP_HIDE_FROM_ABI inline const time_zone* locate_zone(string_view __name) { + return get_tzdb().locate_zone(__name); +} + +[[nodiscard]] _LIBCPP_AVAILABILITY_TZDB _LIBCPP_HIDE_FROM_ABI inline const time_zone* current_zone() { + return get_tzdb().current_zone(); +} + +_LIBCPP_AVAILABILITY_TZDB _LIBCPP_EXPORTED_FROM_ABI const tzdb& reload_tzdb(); + +[[nodiscard]] _LIBCPP_AVAILABILITY_TZDB _LIBCPP_EXPORTED_FROM_ABI string remote_version(); + +} // namespace chrono + +# endif // _LIBCPP_STD_VER >= 20 && _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM && + // _LIBCPP_HAS_LOCALIZATION + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB + +#endif // _LIBCPP___CHRONO_TZDB_LIST_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/utc_clock.h b/third_party/libcxx/include/c++/v1/__chrono/utc_clock.h new file mode 100644 index 0000000..2207b89 --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/utc_clock.h @@ -0,0 +1,163 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_UTC_CLOCK_H +#define _LIBCPP___CHRONO_UTC_CLOCK_H + +#include <version> +// Enable the contents of the header only when libc++ was built with experimental features enabled. +#if _LIBCPP_HAS_EXPERIMENTAL_TZDB + +# include <__chrono/duration.h> +# include <__chrono/leap_second.h> +# include <__chrono/system_clock.h> +# include <__chrono/time_point.h> +# include <__chrono/tzdb.h> +# include <__chrono/tzdb_list.h> +# include <__config> +# include <__type_traits/common_type.h> + +# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +# endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +# if _LIBCPP_STD_VER >= 20 && _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM && _LIBCPP_HAS_LOCALIZATION + +namespace chrono { + +class utc_clock; + +template <class _Duration> +using utc_time = time_point<utc_clock, _Duration>; +using utc_seconds = utc_time<seconds>; + +class utc_clock { +public: + using rep = system_clock::rep; + using period = system_clock::period; + using duration = chrono::duration<rep, period>; + using time_point = chrono::time_point<utc_clock>; + static constexpr bool is_steady = false; // The system_clock is not steady. + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static time_point now() { return from_sys(system_clock::now()); } + + template <class _Duration> + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static sys_time<common_type_t<_Duration, seconds>> + to_sys(const utc_time<_Duration>& __time); + + template <class _Duration> + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static utc_time<common_type_t<_Duration, seconds>> + from_sys(const sys_time<_Duration>& __time) { + using _Rp = utc_time<common_type_t<_Duration, seconds>>; + // TODO TZDB investigate optimizations. + // + // The leap second database stores all transitions, this mean to calculate + // the current number of leap seconds the code needs to iterate over all + // leap seconds to accumulate the sum. Then the sum can be used to determine + // the sys_time. Accessing the database involves acquiring a mutex. + // + // The historic entries in the database are immutable. Hard-coding these + // values in a table would allow: + // - To store the sum, allowing a binary search on the data. + // - Avoid acquiring a mutex. + // The disadvantage are: + // - A slightly larger code size. + // + // There are two optimization directions + // - hard-code the database and do a linear search for future entries. This + // search can start at the back, and should probably contain very few + // entries. (Adding leap seconds is quite rare and new release of libc++ + // can add the new entries; they are announced half a year before they are + // added.) + // - During parsing the leap seconds store an additional database in the + // dylib with the list of the sum of the leap seconds. In that case there + // can be a private function __get_utc_to_sys_table that returns the + // table. + // + // Note for to_sys there are no optimizations to be done; it uses + // get_leap_second_info. The function get_leap_second_info could benefit + // from optimizations as described above; again both options apply. + + // Both UTC and the system clock use the same epoch. The Standard + // specifies from 1970-01-01 even when UTC starts at + // 1972-01-01 00:00:10 TAI. So when the sys_time is before epoch we can be + // sure there both clocks return the same value. + + const tzdb& __tzdb = chrono::get_tzdb(); + _Rp __result{__time.time_since_epoch()}; + for (const auto& __leap_second : __tzdb.leap_seconds) { + if (__leap_second > __time) + return __result; + + __result += __leap_second.value(); + } + return __result; + } +}; + +struct leap_second_info { + bool is_leap_second; + seconds elapsed; +}; + +template <class _Duration> +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI leap_second_info get_leap_second_info(const utc_time<_Duration>& __time) { + const tzdb& __tzdb = chrono::get_tzdb(); + if (__tzdb.leap_seconds.empty()) [[unlikely]] + return {false, chrono::seconds{0}}; + + sys_seconds __sys{chrono::floor<seconds>(__time).time_since_epoch()}; + seconds __elapsed{0}; + for (const auto& __leap_second : __tzdb.leap_seconds) { + if (__sys == __leap_second.date() + __elapsed) + // A time point may only be a leap second during a positive leap second + // insertion, since time points that occur during a (theoretical) + // negative leap second don't exist. + return {__leap_second.value() > 0s, __elapsed + __leap_second.value()}; + + if (__sys < __leap_second.date() + __elapsed) + return {false, __elapsed}; + + __elapsed += __leap_second.value(); + } + + return {false, __elapsed}; +} + +template <class _Duration> +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI sys_time<common_type_t<_Duration, seconds>> +utc_clock::to_sys(const utc_time<_Duration>& __time) { + using _Dp = common_type_t<_Duration, seconds>; + leap_second_info __info = chrono::get_leap_second_info(__time); + + // [time.clock.utc.members]/2 + // Returns: A sys_time t, such that from_sys(t) == u if such a mapping + // exists. Otherwise u represents a time_point during a positive leap + // second insertion, the conversion counts that leap second as not + // inserted, and the last representable value of sys_time prior to the + // insertion of the leap second is returned. + sys_time<common_type_t<_Duration, seconds>> __result{__time.time_since_epoch() - __info.elapsed}; + if (__info.is_leap_second) + return chrono::floor<seconds>(__result) + chrono::seconds{1} - _Dp{1}; + + return __result; +} + +} // namespace chrono + +# endif // _LIBCPP_STD_VER >= 20 && _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM && + // _LIBCPP_HAS_LOCALIZATION + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB + +#endif // _LIBCPP___CHRONO_UTC_CLOCK_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/weekday.h b/third_party/libcxx/include/c++/v1/__chrono/weekday.h new file mode 100644 index 0000000..5e1065d --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/weekday.h @@ -0,0 +1,202 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_WEEKDAY_H +#define _LIBCPP___CHRONO_WEEKDAY_H + +#include <__chrono/calendar.h> +#include <__chrono/duration.h> +#include <__chrono/system_clock.h> +#include <__chrono/time_point.h> +#include <__config> +#include <__cstddef/size_t.h> +#include <__functional/hash.h> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +#if _LIBCPP_STD_VER >= 20 + +_LIBCPP_BEGIN_NAMESPACE_STD + +namespace chrono { + +class weekday_indexed; +class weekday_last; + +class weekday { +private: + unsigned char __wd_; + _LIBCPP_HIDE_FROM_ABI static constexpr unsigned char __weekday_from_days(int __days) noexcept; + +public: + weekday() = default; + _LIBCPP_HIDE_FROM_ABI inline explicit constexpr weekday(unsigned __val) noexcept + : __wd_(static_cast<unsigned char>(__val == 7 ? 0 : __val)) {} + _LIBCPP_HIDE_FROM_ABI inline constexpr weekday(const sys_days& __sysd) noexcept + : __wd_(__weekday_from_days(__sysd.time_since_epoch().count())) {} + _LIBCPP_HIDE_FROM_ABI inline explicit constexpr weekday(const local_days& __locd) noexcept + : __wd_(__weekday_from_days(__locd.time_since_epoch().count())) {} + + _LIBCPP_HIDE_FROM_ABI inline constexpr weekday& operator++() noexcept { + __wd_ = (__wd_ == 6 ? 0 : __wd_ + 1); + return *this; + } + _LIBCPP_HIDE_FROM_ABI inline constexpr weekday operator++(int) noexcept { + weekday __tmp = *this; + ++(*this); + return __tmp; + } + _LIBCPP_HIDE_FROM_ABI inline constexpr weekday& operator--() noexcept { + __wd_ = (__wd_ == 0 ? 6 : __wd_ - 1); + return *this; + } + _LIBCPP_HIDE_FROM_ABI inline constexpr weekday operator--(int) noexcept { + weekday __tmp = *this; + --(*this); + return __tmp; + } + _LIBCPP_HIDE_FROM_ABI constexpr weekday& operator+=(const days& __dd) noexcept; + _LIBCPP_HIDE_FROM_ABI constexpr weekday& operator-=(const days& __dd) noexcept; + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr unsigned c_encoding() const noexcept { return __wd_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr unsigned iso_encoding() const noexcept { + return __wd_ == 0u ? 7 : __wd_; + } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr bool ok() const noexcept { return __wd_ <= 6; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr weekday_indexed operator[](unsigned __index) const noexcept; + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr weekday_last operator[](last_spec) const noexcept; +}; + +// https://howardhinnant.github.io/date_algorithms.html#weekday_from_days +_LIBCPP_HIDE_FROM_ABI inline constexpr unsigned char weekday::__weekday_from_days(int __days) noexcept { + return static_cast<unsigned char>(static_cast<unsigned>(__days >= -4 ? (__days + 4) % 7 : (__days + 5) % 7 + 6)); +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr bool operator==(const weekday& __lhs, const weekday& __rhs) noexcept { + return __lhs.c_encoding() == __rhs.c_encoding(); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr weekday +operator+(const weekday& __lhs, const days& __rhs) noexcept { + auto const __mu = static_cast<long long>(__lhs.c_encoding()) + __rhs.count(); + auto const __yr = (__mu >= 0 ? __mu : __mu - 6) / 7; + return weekday{static_cast<unsigned>(__mu - __yr * 7)}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr weekday +operator+(const days& __lhs, const weekday& __rhs) noexcept { + return __rhs + __lhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr weekday +operator-(const weekday& __lhs, const days& __rhs) noexcept { + return __lhs + -__rhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr days +operator-(const weekday& __lhs, const weekday& __rhs) noexcept { + const int __wdu = __lhs.c_encoding() - __rhs.c_encoding(); + const int __wk = (__wdu >= 0 ? __wdu : __wdu - 6) / 7; + return days{__wdu - __wk * 7}; +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr weekday& weekday::operator+=(const days& __dd) noexcept { + *this = *this + __dd; + return *this; +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr weekday& weekday::operator-=(const days& __dd) noexcept { + *this = *this - __dd; + return *this; +} + +class weekday_indexed { +private: + chrono::weekday __wd_; + unsigned char __idx_; + +public: + weekday_indexed() = default; + _LIBCPP_HIDE_FROM_ABI inline constexpr weekday_indexed(const chrono::weekday& __wdval, unsigned __idxval) noexcept + : __wd_{__wdval}, __idx_(__idxval) {} + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::weekday weekday() const noexcept { return __wd_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr unsigned index() const noexcept { return __idx_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr bool ok() const noexcept { + return __wd_.ok() && __idx_ >= 1 && __idx_ <= 5; + } +}; + +_LIBCPP_HIDE_FROM_ABI inline constexpr bool +operator==(const weekday_indexed& __lhs, const weekday_indexed& __rhs) noexcept { + return __lhs.weekday() == __rhs.weekday() && __lhs.index() == __rhs.index(); +} + +class weekday_last { +private: + chrono::weekday __wd_; + +public: + _LIBCPP_HIDE_FROM_ABI explicit constexpr weekday_last(const chrono::weekday& __val) noexcept : __wd_{__val} {} + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr chrono::weekday weekday() const noexcept { return __wd_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr bool ok() const noexcept { return __wd_.ok(); } +}; + +_LIBCPP_HIDE_FROM_ABI inline constexpr bool operator==(const weekday_last& __lhs, const weekday_last& __rhs) noexcept { + return __lhs.weekday() == __rhs.weekday(); +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr weekday_indexed weekday::operator[](unsigned __index) const noexcept { + return weekday_indexed{*this, __index}; +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr weekday_last weekday::operator[](last_spec) const noexcept { + return weekday_last{*this}; +} + +inline constexpr weekday Sunday{0}; +inline constexpr weekday Monday{1}; +inline constexpr weekday Tuesday{2}; +inline constexpr weekday Wednesday{3}; +inline constexpr weekday Thursday{4}; +inline constexpr weekday Friday{5}; +inline constexpr weekday Saturday{6}; + +} // namespace chrono + +# if _LIBCPP_STD_VER >= 26 + +template <> +struct hash<chrono::weekday> { + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static size_t operator()(const chrono::weekday& __w) noexcept { + return __w.c_encoding(); + } +}; + +template <> +struct hash<chrono::weekday_indexed> { + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static size_t operator()(const chrono::weekday_indexed& __wi) noexcept { + return std::__hash_combine(hash<chrono::weekday>{}(__wi.weekday()), __wi.index()); + } +}; + +template <> +struct hash<chrono::weekday_last> { + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static size_t operator()(const chrono::weekday_last& __wl) noexcept { + return hash<chrono::weekday>{}(__wl.weekday()); + } +}; + +# endif // _LIBCPP_STD_VER >= 26 + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_STD_VER >= 20 + +#endif // _LIBCPP___CHRONO_WEEKDAY_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/year.h b/third_party/libcxx/include/c++/v1/__chrono/year.h new file mode 100644 index 0000000..208d6eb --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/year.h @@ -0,0 +1,131 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_YEAR_H +#define _LIBCPP___CHRONO_YEAR_H + +#include <__chrono/duration.h> +#include <__compare/ordering.h> +#include <__config> +#include <__cstddef/size_t.h> +#include <__functional/hash.h> +#include <limits> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +_LIBCPP_PUSH_MACROS +#include <__undef_macros> + +#if _LIBCPP_STD_VER >= 20 + +_LIBCPP_BEGIN_NAMESPACE_STD + +namespace chrono { + +class year { +private: + short __y_; + +public: + year() = default; + _LIBCPP_HIDE_FROM_ABI explicit inline constexpr year(int __val) noexcept : __y_(static_cast<short>(__val)) {} + + _LIBCPP_HIDE_FROM_ABI inline constexpr year& operator++() noexcept { + ++__y_; + return *this; + } + _LIBCPP_HIDE_FROM_ABI inline constexpr year operator++(int) noexcept { + year __tmp = *this; + ++(*this); + return __tmp; + } + _LIBCPP_HIDE_FROM_ABI inline constexpr year& operator--() noexcept { + --__y_; + return *this; + } + _LIBCPP_HIDE_FROM_ABI inline constexpr year operator--(int) noexcept { + year __tmp = *this; + --(*this); + return __tmp; + } + _LIBCPP_HIDE_FROM_ABI constexpr year& operator+=(const years& __dy) noexcept; + _LIBCPP_HIDE_FROM_ABI constexpr year& operator-=(const years& __dy) noexcept; + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year operator+() const noexcept { return *this; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year operator-() const noexcept { return year{-__y_}; } + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr bool is_leap() const noexcept { + return __y_ % 4 == 0 && (__y_ % 100 != 0 || __y_ % 400 == 0); + } + _LIBCPP_HIDE_FROM_ABI explicit inline constexpr operator int() const noexcept { return __y_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr bool ok() const noexcept; + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static inline constexpr year min() noexcept { return year{-32767}; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static inline constexpr year max() noexcept { return year{32767}; } +}; + +_LIBCPP_HIDE_FROM_ABI inline constexpr bool operator==(const year& __lhs, const year& __rhs) noexcept { + return static_cast<int>(__lhs) == static_cast<int>(__rhs); +} + +_LIBCPP_HIDE_FROM_ABI constexpr strong_ordering operator<=>(const year& __lhs, const year& __rhs) noexcept { + return static_cast<int>(__lhs) <=> static_cast<int>(__rhs); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year operator+(const year& __lhs, const years& __rhs) noexcept { + return year(static_cast<int>(__lhs) + __rhs.count()); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year operator+(const years& __lhs, const year& __rhs) noexcept { + return __rhs + __lhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year operator-(const year& __lhs, const years& __rhs) noexcept { + return __lhs + -__rhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr years operator-(const year& __lhs, const year& __rhs) noexcept { + return years{static_cast<int>(__lhs) - static_cast<int>(__rhs)}; +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr year& year::operator+=(const years& __dy) noexcept { + *this = *this + __dy; + return *this; +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr year& year::operator-=(const years& __dy) noexcept { + *this = *this - __dy; + return *this; +} + +_LIBCPP_HIDE_FROM_ABI constexpr bool year::ok() const noexcept { + static_assert(static_cast<int>(std::numeric_limits<decltype(__y_)>::max()) == static_cast<int>(max())); + return static_cast<int>(min()) <= __y_; +} + +} // namespace chrono + +# if _LIBCPP_STD_VER >= 26 + +template <> +struct hash<chrono::year> { + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static size_t operator()(const chrono::year& __y) noexcept { + return static_cast<int>(__y); + } +}; + +# endif // _LIBCPP_STD_VER >= 26 + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_STD_VER >= 20 + +_LIBCPP_POP_MACROS + +#endif // _LIBCPP___CHRONO_YEAR_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/year_month.h b/third_party/libcxx/include/c++/v1/__chrono/year_month.h new file mode 100644 index 0000000..fdeeed1 --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/year_month.h @@ -0,0 +1,143 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_YEAR_MONTH_H +#define _LIBCPP___CHRONO_YEAR_MONTH_H + +#include <__chrono/duration.h> +#include <__chrono/month.h> +#include <__chrono/year.h> +#include <__compare/ordering.h> +#include <__config> +#include <__cstddef/size_t.h> +#include <__functional/hash.h> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +#if _LIBCPP_STD_VER >= 20 + +_LIBCPP_BEGIN_NAMESPACE_STD + +namespace chrono { + +class year_month { + chrono::year __y_; + chrono::month __m_; + +public: + year_month() = default; + _LIBCPP_HIDE_FROM_ABI constexpr year_month(const chrono::year& __yval, const chrono::month& __mval) noexcept + : __y_{__yval}, __m_{__mval} {} + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::year year() const noexcept { return __y_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::month month() const noexcept { return __m_; } + _LIBCPP_HIDE_FROM_ABI inline constexpr year_month& operator+=(const months& __dm) noexcept; + _LIBCPP_HIDE_FROM_ABI inline constexpr year_month& operator-=(const months& __dm) noexcept; + _LIBCPP_HIDE_FROM_ABI inline constexpr year_month& operator+=(const years& __dy) noexcept; + _LIBCPP_HIDE_FROM_ABI inline constexpr year_month& operator-=(const years& __dy) noexcept; + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr bool ok() const noexcept { return __y_.ok() && __m_.ok(); } +}; + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month operator/(const year& __y, const month& __m) noexcept { + return year_month{__y, __m}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month operator/(const year& __y, int __m) noexcept { + return year_month{__y, month(__m)}; +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr bool operator==(const year_month& __lhs, const year_month& __rhs) noexcept { + return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month(); +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr strong_ordering +operator<=>(const year_month& __lhs, const year_month& __rhs) noexcept { + if (auto __c = __lhs.year() <=> __rhs.year(); __c != 0) + return __c; + return __lhs.month() <=> __rhs.month(); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month +operator+(const year_month& __lhs, const months& __rhs) noexcept { + int __dmi = static_cast<int>(static_cast<unsigned>(__lhs.month())) - 1 + __rhs.count(); + const int __dy = (__dmi >= 0 ? __dmi : __dmi - 11) / 12; + __dmi = __dmi - __dy * 12 + 1; + return (__lhs.year() + years(__dy)) / month(static_cast<unsigned>(__dmi)); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month +operator+(const months& __lhs, const year_month& __rhs) noexcept { + return __rhs + __lhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month +operator+(const year_month& __lhs, const years& __rhs) noexcept { + return (__lhs.year() + __rhs) / __lhs.month(); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month +operator+(const years& __lhs, const year_month& __rhs) noexcept { + return __rhs + __lhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr months +operator-(const year_month& __lhs, const year_month& __rhs) noexcept { + return (__lhs.year() - __rhs.year()) + + months(static_cast<unsigned>(__lhs.month()) - static_cast<unsigned>(__rhs.month())); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month +operator-(const year_month& __lhs, const months& __rhs) noexcept { + return __lhs + -__rhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month +operator-(const year_month& __lhs, const years& __rhs) noexcept { + return __lhs + -__rhs; +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr year_month& year_month::operator+=(const months& __dm) noexcept { + *this = *this + __dm; + return *this; +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr year_month& year_month::operator-=(const months& __dm) noexcept { + *this = *this - __dm; + return *this; +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr year_month& year_month::operator+=(const years& __dy) noexcept { + *this = *this + __dy; + return *this; +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr year_month& year_month::operator-=(const years& __dy) noexcept { + *this = *this - __dy; + return *this; +} + +} // namespace chrono + +# if _LIBCPP_STD_VER >= 26 + +template <> +struct hash<chrono::year_month> { + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static size_t operator()(const chrono::year_month& __ym) noexcept { + return std::__hash_combine(hash<chrono::year>{}(__ym.year()), hash<chrono::month>{}(__ym.month())); + } +}; + +# endif // _LIBCPP_STD_VER >= 26 + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_STD_VER >= 20 + +#endif // _LIBCPP___CHRONO_YEAR_MONTH_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/year_month_day.h b/third_party/libcxx/include/c++/v1/__chrono/year_month_day.h new file mode 100644 index 0000000..b0149d3 --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/year_month_day.h @@ -0,0 +1,371 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_YEAR_MONTH_DAY_H +#define _LIBCPP___CHRONO_YEAR_MONTH_DAY_H + +#include <__chrono/calendar.h> +#include <__chrono/day.h> +#include <__chrono/duration.h> +#include <__chrono/month.h> +#include <__chrono/monthday.h> +#include <__chrono/system_clock.h> +#include <__chrono/time_point.h> +#include <__chrono/year.h> +#include <__chrono/year_month.h> +#include <__compare/ordering.h> +#include <__config> +#include <__cstddef/size_t.h> +#include <__functional/hash.h> +#include <limits> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +#if _LIBCPP_STD_VER >= 20 + +_LIBCPP_BEGIN_NAMESPACE_STD + +namespace chrono { + +class year_month_day_last; + +class year_month_day { +private: + chrono::year __y_; + chrono::month __m_; + chrono::day __d_; + +public: + year_month_day() = default; + _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day( + const chrono::year& __yval, const chrono::month& __mval, const chrono::day& __dval) noexcept + : __y_{__yval}, __m_{__mval}, __d_{__dval} {} + _LIBCPP_HIDE_FROM_ABI constexpr year_month_day(const year_month_day_last& __ymdl) noexcept; + _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day(const sys_days& __sysd) noexcept + : year_month_day(__from_days(__sysd.time_since_epoch())) {} + _LIBCPP_HIDE_FROM_ABI inline explicit constexpr year_month_day(const local_days& __locd) noexcept + : year_month_day(__from_days(__locd.time_since_epoch())) {} + + _LIBCPP_HIDE_FROM_ABI constexpr year_month_day& operator+=(const months& __dm) noexcept; + _LIBCPP_HIDE_FROM_ABI constexpr year_month_day& operator-=(const months& __dm) noexcept; + _LIBCPP_HIDE_FROM_ABI constexpr year_month_day& operator+=(const years& __dy) noexcept; + _LIBCPP_HIDE_FROM_ABI constexpr year_month_day& operator-=(const years& __dy) noexcept; + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::year year() const noexcept { return __y_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::month month() const noexcept { return __m_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::day day() const noexcept { return __d_; } + _LIBCPP_HIDE_FROM_ABI inline constexpr operator sys_days() const noexcept { return sys_days{__to_days()}; } + _LIBCPP_HIDE_FROM_ABI inline explicit constexpr operator local_days() const noexcept { + return local_days{__to_days()}; + } + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr bool ok() const noexcept; + + _LIBCPP_HIDE_FROM_ABI static constexpr year_month_day __from_days(days __d) noexcept; + _LIBCPP_HIDE_FROM_ABI constexpr days __to_days() const noexcept; +}; + +// https://howardhinnant.github.io/date_algorithms.html#civil_from_days +_LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day year_month_day::__from_days(days __d) noexcept { + static_assert(numeric_limits<unsigned>::digits >= 18, ""); + static_assert(numeric_limits<int>::digits >= 20, ""); + const int __z = __d.count() + 719468; + const int __era = (__z >= 0 ? __z : __z - 146096) / 146097; + const unsigned __doe = static_cast<unsigned>(__z - __era * 146097); // [0, 146096] + const unsigned __yoe = (__doe - __doe / 1460 + __doe / 36524 - __doe / 146096) / 365; // [0, 399] + const int __yr = static_cast<int>(__yoe) + __era * 400; + const unsigned __doy = __doe - (365 * __yoe + __yoe / 4 - __yoe / 100); // [0, 365] + const unsigned __mp = (5 * __doy + 2) / 153; // [0, 11] + const unsigned __dy = __doy - (153 * __mp + 2) / 5 + 1; // [1, 31] + const unsigned __mth = __mp + (__mp < 10 ? 3 : -9); // [1, 12] + return year_month_day{chrono::year{__yr + (__mth <= 2)}, chrono::month{__mth}, chrono::day{__dy}}; +} + +// https://howardhinnant.github.io/date_algorithms.html#days_from_civil +_LIBCPP_HIDE_FROM_ABI inline constexpr days year_month_day::__to_days() const noexcept { + static_assert(numeric_limits<unsigned>::digits >= 18, ""); + static_assert(numeric_limits<int>::digits >= 20, ""); + + const int __yr = static_cast<int>(__y_) - (__m_ <= February); + const unsigned __mth = static_cast<unsigned>(__m_); + const unsigned __dy = static_cast<unsigned>(__d_); + + const int __era = (__yr >= 0 ? __yr : __yr - 399) / 400; + const unsigned __yoe = static_cast<unsigned>(__yr - __era * 400); // [0, 399] + const unsigned __doy = (153 * (__mth + (__mth > 2 ? -3 : 9)) + 2) / 5 + __dy - 1; // [0, 365] + const unsigned __doe = __yoe * 365 + __yoe / 4 - __yoe / 100 + __doy; // [0, 146096] + return days{__era * 146097 + static_cast<int>(__doe) - 719468}; +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr bool +operator==(const year_month_day& __lhs, const year_month_day& __rhs) noexcept { + return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month() && __lhs.day() == __rhs.day(); +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr strong_ordering +operator<=>(const year_month_day& __lhs, const year_month_day& __rhs) noexcept { + if (auto __c = __lhs.year() <=> __rhs.year(); __c != 0) + return __c; + if (auto __c = __lhs.month() <=> __rhs.month(); __c != 0) + return __c; + return __lhs.day() <=> __rhs.day(); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day +operator/(const year_month& __lhs, const day& __rhs) noexcept { + return year_month_day{__lhs.year(), __lhs.month(), __rhs}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day +operator/(const year_month& __lhs, int __rhs) noexcept { + return __lhs / day(__rhs); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day +operator/(const year& __lhs, const month_day& __rhs) noexcept { + return __lhs / __rhs.month() / __rhs.day(); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day +operator/(int __lhs, const month_day& __rhs) noexcept { + return year(__lhs) / __rhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day +operator/(const month_day& __lhs, const year& __rhs) noexcept { + return __rhs / __lhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day +operator/(const month_day& __lhs, int __rhs) noexcept { + return year(__rhs) / __lhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day +operator+(const year_month_day& __lhs, const months& __rhs) noexcept { + return (__lhs.year() / __lhs.month() + __rhs) / __lhs.day(); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day +operator+(const months& __lhs, const year_month_day& __rhs) noexcept { + return __rhs + __lhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day +operator-(const year_month_day& __lhs, const months& __rhs) noexcept { + return __lhs + -__rhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day +operator+(const year_month_day& __lhs, const years& __rhs) noexcept { + return (__lhs.year() + __rhs) / __lhs.month() / __lhs.day(); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day +operator+(const years& __lhs, const year_month_day& __rhs) noexcept { + return __rhs + __lhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day +operator-(const year_month_day& __lhs, const years& __rhs) noexcept { + return __lhs + -__rhs; +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day& year_month_day::operator+=(const months& __dm) noexcept { + *this = *this + __dm; + return *this; +} +_LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day& year_month_day::operator-=(const months& __dm) noexcept { + *this = *this - __dm; + return *this; +} +_LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day& year_month_day::operator+=(const years& __dy) noexcept { + *this = *this + __dy; + return *this; +} +_LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day& year_month_day::operator-=(const years& __dy) noexcept { + *this = *this - __dy; + return *this; +} + +class year_month_day_last { +private: + chrono::year __y_; + chrono::month_day_last __mdl_; + +public: + _LIBCPP_HIDE_FROM_ABI constexpr year_month_day_last(const year& __yval, const month_day_last& __mdlval) noexcept + : __y_{__yval}, __mdl_{__mdlval} {} + + _LIBCPP_HIDE_FROM_ABI constexpr year_month_day_last& operator+=(const months& __m) noexcept; + _LIBCPP_HIDE_FROM_ABI constexpr year_month_day_last& operator-=(const months& __m) noexcept; + _LIBCPP_HIDE_FROM_ABI constexpr year_month_day_last& operator+=(const years& __y) noexcept; + _LIBCPP_HIDE_FROM_ABI constexpr year_month_day_last& operator-=(const years& __y) noexcept; + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::year year() const noexcept { return __y_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::month month() const noexcept { return __mdl_.month(); } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::month_day_last month_day_last() const noexcept { + return __mdl_; + } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI constexpr chrono::day day() const noexcept; + _LIBCPP_HIDE_FROM_ABI inline constexpr operator sys_days() const noexcept { + return sys_days{year() / month() / day()}; + } + _LIBCPP_HIDE_FROM_ABI inline explicit constexpr operator local_days() const noexcept { + return local_days{year() / month() / day()}; + } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr bool ok() const noexcept { return __y_.ok() && __mdl_.ok(); } +}; + +_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::day year_month_day_last::day() const noexcept { + constexpr chrono::day __d[] = { + chrono::day(31), + chrono::day(28), + chrono::day(31), + chrono::day(30), + chrono::day(31), + chrono::day(30), + chrono::day(31), + chrono::day(31), + chrono::day(30), + chrono::day(31), + chrono::day(30), + chrono::day(31)}; + return (month() != February || !__y_.is_leap()) && month().ok() + ? __d[static_cast<unsigned>(month()) - 1] + : chrono::day{29}; +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr bool +operator==(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept { + return __lhs.year() == __rhs.year() && __lhs.month_day_last() == __rhs.month_day_last(); +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr strong_ordering +operator<=>(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept { + if (auto __c = __lhs.year() <=> __rhs.year(); __c != 0) + return __c; + return __lhs.month_day_last() <=> __rhs.month_day_last(); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day_last +operator/(const year_month& __lhs, last_spec) noexcept { + return year_month_day_last{__lhs.year(), month_day_last{__lhs.month()}}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day_last +operator/(const year& __lhs, const month_day_last& __rhs) noexcept { + return year_month_day_last{__lhs, __rhs}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day_last +operator/(int __lhs, const month_day_last& __rhs) noexcept { + return year_month_day_last{year{__lhs}, __rhs}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day_last +operator/(const month_day_last& __lhs, const year& __rhs) noexcept { + return __rhs / __lhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day_last +operator/(const month_day_last& __lhs, int __rhs) noexcept { + return year{__rhs} / __lhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day_last +operator+(const year_month_day_last& __lhs, const months& __rhs) noexcept { + return (__lhs.year() / __lhs.month() + __rhs) / last; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day_last +operator+(const months& __lhs, const year_month_day_last& __rhs) noexcept { + return __rhs + __lhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day_last +operator-(const year_month_day_last& __lhs, const months& __rhs) noexcept { + return __lhs + (-__rhs); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day_last +operator+(const year_month_day_last& __lhs, const years& __rhs) noexcept { + return year_month_day_last{__lhs.year() + __rhs, __lhs.month_day_last()}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day_last +operator+(const years& __lhs, const year_month_day_last& __rhs) noexcept { + return __rhs + __lhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day_last +operator-(const year_month_day_last& __lhs, const years& __rhs) noexcept { + return __lhs + (-__rhs); +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day_last& +year_month_day_last::operator+=(const months& __dm) noexcept { + *this = *this + __dm; + return *this; +} +_LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day_last& +year_month_day_last::operator-=(const months& __dm) noexcept { + *this = *this - __dm; + return *this; +} +_LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day_last& +year_month_day_last::operator+=(const years& __dy) noexcept { + *this = *this + __dy; + return *this; +} +_LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day_last& +year_month_day_last::operator-=(const years& __dy) noexcept { + *this = *this - __dy; + return *this; +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day::year_month_day(const year_month_day_last& __ymdl) noexcept + : __y_{__ymdl.year()}, __m_{__ymdl.month()}, __d_{__ymdl.day()} {} + +_LIBCPP_HIDE_FROM_ABI inline constexpr bool year_month_day::ok() const noexcept { + if (!__y_.ok() || !__m_.ok()) + return false; + return chrono::day{1} <= __d_ && __d_ <= (__y_ / __m_ / last).day(); +} + +} // namespace chrono + +# if _LIBCPP_STD_VER >= 26 + +template <> +struct hash<chrono::year_month_day> { + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static size_t operator()(const chrono::year_month_day& __ymd) noexcept { + return std::__hash_combine( + hash<chrono::year>{}(__ymd.year()), + std::__hash_combine(hash<chrono::month>{}(__ymd.month()), hash<chrono::day>{}(__ymd.day()))); + } +}; + +template <> +struct hash<chrono::year_month_day_last> { + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static size_t operator()(const chrono::year_month_day_last& __ymdl) noexcept { + return std::__hash_combine( + hash<chrono::year>{}(__ymdl.year()), hash<chrono::month_day_last>{}(__ymdl.month_day_last())); + } +}; + +# endif // _LIBCPP_STD_VER >= 26 + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_STD_VER >= 20 + +#endif // _LIBCPP___CHRONO_YEAR_MONTH_DAY_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/year_month_weekday.h b/third_party/libcxx/include/c++/v1/__chrono/year_month_weekday.h new file mode 100644 index 0000000..eff472f --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/year_month_weekday.h @@ -0,0 +1,325 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP___CHRONO_YEAR_MONTH_WEEKDAY_H +#define _LIBCPP___CHRONO_YEAR_MONTH_WEEKDAY_H + +#include <__chrono/calendar.h> +#include <__chrono/day.h> +#include <__chrono/duration.h> +#include <__chrono/month.h> +#include <__chrono/month_weekday.h> +#include <__chrono/system_clock.h> +#include <__chrono/time_point.h> +#include <__chrono/weekday.h> +#include <__chrono/year.h> +#include <__chrono/year_month.h> +#include <__chrono/year_month_day.h> +#include <__config> +#include <__cstddef/size_t.h> +#include <__functional/hash.h> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +#endif + +#if _LIBCPP_STD_VER >= 20 + +_LIBCPP_BEGIN_NAMESPACE_STD + +namespace chrono { + +class year_month_weekday { + chrono::year __y_; + chrono::month __m_; + chrono::weekday_indexed __wdi_; + +public: + year_month_weekday() = default; + _LIBCPP_HIDE_FROM_ABI constexpr year_month_weekday( + const chrono::year& __yval, const chrono::month& __mval, const chrono::weekday_indexed& __wdival) noexcept + : __y_{__yval}, __m_{__mval}, __wdi_{__wdival} {} + _LIBCPP_HIDE_FROM_ABI constexpr year_month_weekday(const sys_days& __sysd) noexcept + : year_month_weekday(__from_days(__sysd.time_since_epoch())) {} + _LIBCPP_HIDE_FROM_ABI inline explicit constexpr year_month_weekday(const local_days& __locd) noexcept + : year_month_weekday(__from_days(__locd.time_since_epoch())) {} + _LIBCPP_HIDE_FROM_ABI constexpr year_month_weekday& operator+=(const months&) noexcept; + _LIBCPP_HIDE_FROM_ABI constexpr year_month_weekday& operator-=(const months&) noexcept; + _LIBCPP_HIDE_FROM_ABI constexpr year_month_weekday& operator+=(const years&) noexcept; + _LIBCPP_HIDE_FROM_ABI constexpr year_month_weekday& operator-=(const years&) noexcept; + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::year year() const noexcept { return __y_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::month month() const noexcept { return __m_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::weekday weekday() const noexcept { + return __wdi_.weekday(); + } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr unsigned index() const noexcept { return __wdi_.index(); } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::weekday_indexed weekday_indexed() const noexcept { + return __wdi_; + } + + _LIBCPP_HIDE_FROM_ABI inline constexpr operator sys_days() const noexcept { return sys_days{__to_days()}; } + _LIBCPP_HIDE_FROM_ABI inline explicit constexpr operator local_days() const noexcept { + return local_days{__to_days()}; + } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr bool ok() const noexcept { + if (!__y_.ok() || !__m_.ok() || !__wdi_.ok()) + return false; + if (__wdi_.index() <= 4) + return true; + auto __nth_weekday_day = + __wdi_.weekday() - chrono::weekday{static_cast<sys_days>(__y_ / __m_ / 1)} + days{(__wdi_.index() - 1) * 7 + 1}; + return static_cast<unsigned>(__nth_weekday_day.count()) <= static_cast<unsigned>((__y_ / __m_ / last).day()); + } + + _LIBCPP_HIDE_FROM_ABI static constexpr year_month_weekday __from_days(days __d) noexcept; + _LIBCPP_HIDE_FROM_ABI constexpr days __to_days() const noexcept; +}; + +_LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday year_month_weekday::__from_days(days __d) noexcept { + const sys_days __sysd{__d}; + const chrono::weekday __wd = chrono::weekday(__sysd); + const year_month_day __ymd = year_month_day(__sysd); + return year_month_weekday{__ymd.year(), __ymd.month(), __wd[(static_cast<unsigned>(__ymd.day()) - 1) / 7 + 1]}; +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr days year_month_weekday::__to_days() const noexcept { + const sys_days __sysd = sys_days(__y_ / __m_ / 1); + return (__sysd + (__wdi_.weekday() - chrono::weekday(__sysd) + days{(__wdi_.index() - 1) * 7})).time_since_epoch(); +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr bool +operator==(const year_month_weekday& __lhs, const year_month_weekday& __rhs) noexcept { + return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month() && + __lhs.weekday_indexed() == __rhs.weekday_indexed(); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday +operator/(const year_month& __lhs, const weekday_indexed& __rhs) noexcept { + return year_month_weekday{__lhs.year(), __lhs.month(), __rhs}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday +operator/(const year& __lhs, const month_weekday& __rhs) noexcept { + return year_month_weekday{__lhs, __rhs.month(), __rhs.weekday_indexed()}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday +operator/(int __lhs, const month_weekday& __rhs) noexcept { + return year(__lhs) / __rhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday +operator/(const month_weekday& __lhs, const year& __rhs) noexcept { + return __rhs / __lhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday +operator/(const month_weekday& __lhs, int __rhs) noexcept { + return year(__rhs) / __lhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday +operator+(const year_month_weekday& __lhs, const months& __rhs) noexcept { + return (__lhs.year() / __lhs.month() + __rhs) / __lhs.weekday_indexed(); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday +operator+(const months& __lhs, const year_month_weekday& __rhs) noexcept { + return __rhs + __lhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday +operator-(const year_month_weekday& __lhs, const months& __rhs) noexcept { + return __lhs + (-__rhs); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday +operator+(const year_month_weekday& __lhs, const years& __rhs) noexcept { + return year_month_weekday{__lhs.year() + __rhs, __lhs.month(), __lhs.weekday_indexed()}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday +operator+(const years& __lhs, const year_month_weekday& __rhs) noexcept { + return __rhs + __lhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday +operator-(const year_month_weekday& __lhs, const years& __rhs) noexcept { + return __lhs + (-__rhs); +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday& year_month_weekday::operator+=(const months& __dm) noexcept { + *this = *this + __dm; + return *this; +} +_LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday& year_month_weekday::operator-=(const months& __dm) noexcept { + *this = *this - __dm; + return *this; +} +_LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday& year_month_weekday::operator+=(const years& __dy) noexcept { + *this = *this + __dy; + return *this; +} +_LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday& year_month_weekday::operator-=(const years& __dy) noexcept { + *this = *this - __dy; + return *this; +} + +class year_month_weekday_last { +private: + chrono::year __y_; + chrono::month __m_; + chrono::weekday_last __wdl_; + +public: + _LIBCPP_HIDE_FROM_ABI constexpr year_month_weekday_last( + const chrono::year& __yval, const chrono::month& __mval, const chrono::weekday_last& __wdlval) noexcept + : __y_{__yval}, __m_{__mval}, __wdl_{__wdlval} {} + _LIBCPP_HIDE_FROM_ABI constexpr year_month_weekday_last& operator+=(const months& __dm) noexcept; + _LIBCPP_HIDE_FROM_ABI constexpr year_month_weekday_last& operator-=(const months& __dm) noexcept; + _LIBCPP_HIDE_FROM_ABI constexpr year_month_weekday_last& operator+=(const years& __dy) noexcept; + _LIBCPP_HIDE_FROM_ABI constexpr year_month_weekday_last& operator-=(const years& __dy) noexcept; + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::year year() const noexcept { return __y_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::month month() const noexcept { return __m_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::weekday weekday() const noexcept { + return __wdl_.weekday(); + } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr chrono::weekday_last weekday_last() const noexcept { + return __wdl_; + } + _LIBCPP_HIDE_FROM_ABI inline constexpr operator sys_days() const noexcept { return sys_days{__to_days()}; } + _LIBCPP_HIDE_FROM_ABI inline explicit constexpr operator local_days() const noexcept { + return local_days{__to_days()}; + } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr bool ok() const noexcept { + return __y_.ok() && __m_.ok() && __wdl_.ok(); + } + + _LIBCPP_HIDE_FROM_ABI constexpr days __to_days() const noexcept; +}; + +_LIBCPP_HIDE_FROM_ABI inline constexpr days year_month_weekday_last::__to_days() const noexcept { + const sys_days __last = sys_days{__y_ / __m_ / last}; + return (__last - (chrono::weekday{__last} - __wdl_.weekday())).time_since_epoch(); +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr bool +operator==(const year_month_weekday_last& __lhs, const year_month_weekday_last& __rhs) noexcept { + return __lhs.year() == __rhs.year() && __lhs.month() == __rhs.month() && __lhs.weekday_last() == __rhs.weekday_last(); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday_last +operator/(const year_month& __lhs, const weekday_last& __rhs) noexcept { + return year_month_weekday_last{__lhs.year(), __lhs.month(), __rhs}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday_last +operator/(const year& __lhs, const month_weekday_last& __rhs) noexcept { + return year_month_weekday_last{__lhs, __rhs.month(), __rhs.weekday_last()}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday_last +operator/(int __lhs, const month_weekday_last& __rhs) noexcept { + return year(__lhs) / __rhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday_last +operator/(const month_weekday_last& __lhs, const year& __rhs) noexcept { + return __rhs / __lhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday_last +operator/(const month_weekday_last& __lhs, int __rhs) noexcept { + return year(__rhs) / __lhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday_last +operator+(const year_month_weekday_last& __lhs, const months& __rhs) noexcept { + return (__lhs.year() / __lhs.month() + __rhs) / __lhs.weekday_last(); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday_last +operator+(const months& __lhs, const year_month_weekday_last& __rhs) noexcept { + return __rhs + __lhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday_last +operator-(const year_month_weekday_last& __lhs, const months& __rhs) noexcept { + return __lhs + (-__rhs); +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday_last +operator+(const year_month_weekday_last& __lhs, const years& __rhs) noexcept { + return year_month_weekday_last{__lhs.year() + __rhs, __lhs.month(), __lhs.weekday_last()}; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday_last +operator+(const years& __lhs, const year_month_weekday_last& __rhs) noexcept { + return __rhs + __lhs; +} + +[[nodiscard]] _LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday_last +operator-(const year_month_weekday_last& __lhs, const years& __rhs) noexcept { + return __lhs + (-__rhs); +} + +_LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday_last& +year_month_weekday_last::operator+=(const months& __dm) noexcept { + *this = *this + __dm; + return *this; +} +_LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday_last& +year_month_weekday_last::operator-=(const months& __dm) noexcept { + *this = *this - __dm; + return *this; +} +_LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday_last& +year_month_weekday_last::operator+=(const years& __dy) noexcept { + *this = *this + __dy; + return *this; +} +_LIBCPP_HIDE_FROM_ABI inline constexpr year_month_weekday_last& +year_month_weekday_last::operator-=(const years& __dy) noexcept { + *this = *this - __dy; + return *this; +} + +} // namespace chrono + +# if _LIBCPP_STD_VER >= 26 + +template <> +struct hash<chrono::year_month_weekday> { + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static size_t operator()(const chrono::year_month_weekday& __ymw) noexcept { + return std::__hash_combine( + hash<chrono::year>{}(__ymw.year()), + std::__hash_combine( + hash<chrono::month>{}(__ymw.month()), hash<chrono::weekday_indexed>{}(__ymw.weekday_indexed()))); + } +}; + +template <> +struct hash<chrono::year_month_weekday_last> { + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static size_t operator()(const chrono::year_month_weekday_last& __ymwl) noexcept { + return std::__hash_combine( + hash<chrono::year>{}(__ymwl.year()), + std::__hash_combine( + hash<chrono::month>{}(__ymwl.month()), hash<chrono::weekday_last>{}(__ymwl.weekday_last()))); + } +}; + +# endif // _LIBCPP_STD_VER >= 26 + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_STD_VER >= 20 + +#endif // _LIBCPP___CHRONO_YEAR_MONTH_WEEKDAY_H diff --git a/third_party/libcxx/include/c++/v1/__chrono/zoned_time.h b/third_party/libcxx/include/c++/v1/__chrono/zoned_time.h new file mode 100644 index 0000000..e63528e --- /dev/null +++ b/third_party/libcxx/include/c++/v1/__chrono/zoned_time.h @@ -0,0 +1,244 @@ +// -*- C++ -*- +//===----------------------------------------------------------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +// For information see https://libcxx.llvm.org/DesignDocs/TimeZone.html + +#ifndef _LIBCPP___CHRONO_ZONED_TIME_H +#define _LIBCPP___CHRONO_ZONED_TIME_H + +#include <version> +// Enable the contents of the header only when libc++ was built with experimental features enabled. +#if _LIBCPP_HAS_EXPERIMENTAL_TZDB + +# include <__chrono/calendar.h> +# include <__chrono/duration.h> +# include <__chrono/sys_info.h> +# include <__chrono/system_clock.h> +# include <__chrono/time_zone.h> +# include <__chrono/tzdb_list.h> +# include <__concepts/constructible.h> +# include <__config> +# include <__cstddef/size_t.h> +# include <__functional/hash.h> +# include <__type_traits/common_type.h> +# include <__type_traits/conditional.h> +# include <__type_traits/remove_cvref.h> +# include <__utility/declval.h> +# include <__utility/move.h> +# include <string_view> + +# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +# pragma GCC system_header +# endif + +_LIBCPP_PUSH_MACROS +# include <__undef_macros> + +_LIBCPP_BEGIN_NAMESPACE_STD + +# if _LIBCPP_STD_VER >= 20 && _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM && _LIBCPP_HAS_LOCALIZATION + +namespace chrono { + +template <class> +struct zoned_traits {}; + +template <> +struct zoned_traits<const time_zone*> { + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static const time_zone* default_zone() { return chrono::locate_zone("UTC"); } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static const time_zone* locate_zone(string_view __name) { + return chrono::locate_zone(__name); + } +}; + +template <class _Duration, class _TimeZonePtr = const time_zone*> +class zoned_time { + // [time.zone.zonedtime.ctor]/2 + static_assert(__is_duration_v<_Duration>, + "the program is ill-formed since _Duration is not a specialization of std::chrono::duration"); + + // The wording uses the constraints like + // constructible_from<zoned_time, decltype(__traits::locate_zone(string_view{}))> + // Using these constraints in the code causes the compiler to give an + // error that the constraint depends on itself. To avoid that issue use + // the fact it is possible to create this object from a _TimeZonePtr. + using __traits _LIBCPP_NODEBUG = zoned_traits<_TimeZonePtr>; + +public: + using duration = common_type_t<_Duration, seconds>; + + _LIBCPP_HIDE_FROM_ABI zoned_time() + requires requires { __traits::default_zone(); } + : __zone_{__traits::default_zone()}, __tp_{} {} + + _LIBCPP_HIDE_FROM_ABI zoned_time(const zoned_time&) = default; + _LIBCPP_HIDE_FROM_ABI zoned_time& operator=(const zoned_time&) = default; + + _LIBCPP_HIDE_FROM_ABI zoned_time(const sys_time<_Duration>& __tp) + requires requires { __traits::default_zone(); } + : __zone_{__traits::default_zone()}, __tp_{__tp} {} + + _LIBCPP_HIDE_FROM_ABI explicit zoned_time(_TimeZonePtr __zone) : __zone_{std::move(__zone)}, __tp_{} {} + + _LIBCPP_HIDE_FROM_ABI explicit zoned_time(string_view __name) + requires(requires { __traits::locate_zone(string_view{}); } && + constructible_from<_TimeZonePtr, decltype(__traits::locate_zone(string_view{}))>) + : __zone_{__traits::locate_zone(__name)}, __tp_{} {} + + template <class _Duration2> + _LIBCPP_HIDE_FROM_ABI zoned_time(const zoned_time<_Duration2, _TimeZonePtr>& __zt) + requires is_convertible_v<sys_time<_Duration2>, sys_time<_Duration>> + : __zone_{__zt.get_time_zone()}, __tp_{__zt.get_sys_time()} {} + + _LIBCPP_HIDE_FROM_ABI zoned_time(_TimeZonePtr __zone, const sys_time<_Duration>& __tp) + : __zone_{std::move(__zone)}, __tp_{__tp} {} + + _LIBCPP_HIDE_FROM_ABI zoned_time(string_view __name, const sys_time<_Duration>& __tp) + requires requires { _TimeZonePtr{__traits::locate_zone(string_view{})}; } + : zoned_time{__traits::locate_zone(__name), __tp} {} + + _LIBCPP_HIDE_FROM_ABI zoned_time(_TimeZonePtr __zone, const local_time<_Duration>& __tp) + requires(is_convertible_v<decltype(std::declval<_TimeZonePtr&>() -> to_sys(local_time<_Duration>{})), + sys_time<duration>>) + : __zone_{std::move(__zone)}, __tp_{__zone_->to_sys(__tp)} {} + + _LIBCPP_HIDE_FROM_ABI zoned_time(string_view __name, const local_time<_Duration>& __tp) + requires(requires { + _TimeZonePtr{__traits::locate_zone(string_view{})}; + } && is_convertible_v<decltype(std::declval<_TimeZonePtr&>() -> to_sys(local_time<_Duration>{})), + sys_time<duration>>) + : zoned_time{__traits::locate_zone(__name), __tp} {} + + _LIBCPP_HIDE_FROM_ABI zoned_time(_TimeZonePtr __zone, const local_time<_Duration>& __tp, choose __c) + requires(is_convertible_v< + decltype(std::declval<_TimeZonePtr&>() -> to_sys(local_time<_Duration>{}, choose::earliest)), + sys_time<duration>>) + : __zone_{std::move(__zone)}, __tp_{__zone_->to_sys(__tp, __c)} {} + + _LIBCPP_HIDE_FROM_ABI zoned_time(string_view __name, const local_time<_Duration>& __tp, choose __c) + requires(requires { + _TimeZonePtr{__traits::locate_zone(string_view{})}; + } && is_convertible_v<decltype(std::declval<_TimeZonePtr&>() -> to_sys(local_time<_Duration>{}, choose::earliest)), + sys_time<duration>>) + : zoned_time{__traits::locate_zone(__name), __tp, __c} {} + + template <class _Duration2, class _TimeZonePtr2> + _LIBCPP_HIDE_FROM_ABI zoned_time(_TimeZonePtr __zone, const zoned_time<_Duration2, _TimeZonePtr2>& __zt) + requires is_convertible_v<sys_time<_Duration2>, sys_time<_Duration>> + : __zone_{std::move(__zone)}, __tp_{__zt.get_sys_time()} {} + + // per wording choose has no effect + template <class _Duration2, class _TimeZonePtr2> + _LIBCPP_HIDE_FROM_ABI zoned_time(_TimeZonePtr __zone, const zoned_time<_Duration2, _TimeZonePtr2>& __zt, choose) + requires is_convertible_v<sys_time<_Duration2>, sys_time<_Duration>> + : __zone_{std::move(__zone)}, __tp_{__zt.get_sys_time()} {} + + template <class _Duration2, class _TimeZonePtr2> + _LIBCPP_HIDE_FROM_ABI zoned_time(string_view __name, const zoned_time<_Duration2, _TimeZonePtr2>& __zt) + requires(requires { + _TimeZonePtr{__traits::locate_zone(string_view{})}; + } && is_convertible_v<sys_time<_Duration2>, sys_time<_Duration>>) + : zoned_time{__traits::locate_zone(__name), __zt} {} + + template <class _Duration2, class _TimeZonePtr2> + _LIBCPP_HIDE_FROM_ABI zoned_time(string_view __name, const zoned_time<_Duration2, _TimeZonePtr2>& __zt, choose __c) + requires(requires { + _TimeZonePtr{__traits::locate_zone(string_view{})}; + } && is_convertible_v<sys_time<_Duration2>, sys_time<_Duration>>) + : zoned_time{__traits::locate_zone(__name), __zt, __c} {} + + _LIBCPP_HIDE_FROM_ABI zoned_time& operator=(const sys_time<_Duration>& __tp) { + __tp_ = __tp; + return *this; + } + + _LIBCPP_HIDE_FROM_ABI zoned_time& operator=(const local_time<_Duration>& __tp) { + // TODO TZDB This seems wrong. + // Assigning a non-existent or ambiguous time will throw and not satisfy + // the post condition. This seems quite odd; I constructed an object with + // choose::earliest and that choice is not respected. + // what did LEWG do with this. + // MSVC STL and libstdc++ behave the same + __tp_ = __zone_->to_sys(__tp); + return *this; + } + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI operator sys_time<duration>() const { return get_sys_time(); } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI explicit operator local_time<duration>() const { return get_local_time(); } + + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI _TimeZonePtr get_time_zone() const { return __zone_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI local_time<duration> get_local_time() const { return __zone_->to_local(__tp_); } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI sys_time<duration> get_sys_time() const { return __tp_; } + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI sys_info get_info() const { return __zone_->get_info(__tp_); } + +private: + _TimeZonePtr __zone_; + sys_time<duration> __tp_; +}; + +zoned_time() -> zoned_time<seconds>; + +template <class _Duration> +zoned_time(sys_time<_Duration>) -> zoned_time<common_type_t<_Duration, seconds>>; + +template <class _TimeZonePtrOrName> +using __time_zone_representation _LIBCPP_NODEBUG = + conditional_t<is_convertible_v<_TimeZonePtrOrName, string_view>, + const time_zone*, + remove_cvref_t<_TimeZonePtrOrName>>; + +template <class _TimeZonePtrOrName> +zoned_time(_TimeZonePtrOrName&&) -> zoned_time<seconds, __time_zone_representation<_TimeZonePtrOrName>>; + +template <class _TimeZonePtrOrName, class _Duration> +zoned_time(_TimeZonePtrOrName&&, sys_time<_Duration>) + -> zoned_time<common_type_t<_Duration, seconds>, __time_zone_representation<_TimeZonePtrOrName>>; + +template <class _TimeZonePtrOrName, class _Duration> +zoned_time(_TimeZonePtrOrName&&, local_time<_Duration>, choose = choose::earliest) + -> zoned_time<common_type_t<_Duration, seconds>, __time_zone_representation<_TimeZonePtrOrName>>; + +template <class _Duration, class _TimeZonePtrOrName, class _TimeZonePtr2> +zoned_time(_TimeZonePtrOrName&&, zoned_time<_Duration, _TimeZonePtr2>, choose = choose::earliest) + -> zoned_time<common_type_t<_Duration, seconds>, __time_zone_representation<_TimeZonePtrOrName>>; + +using zoned_seconds = zoned_time<seconds>; + +template <class _Duration1, class _Duration2, class _TimeZonePtr> +_LIBCPP_HIDE_FROM_ABI bool +operator==(const zoned_time<_Duration1, _TimeZonePtr>& __lhs, const zoned_time<_Duration2, _TimeZonePtr>& __rhs) { + return __lhs.get_time_zone() == __rhs.get_time_zone() && __lhs.get_sys_time() == __rhs.get_sys_time(); +} + +} // namespace chrono + +# if _LIBCPP_STD_VER >= 26 + +template <class _Duration, class _TimeZonePtr> + requires __has_enabled_hash<_Duration>::value && __has_enabled_hash<_TimeZonePtr>::value +struct hash<chrono::zoned_time<_Duration, _TimeZonePtr>> { + [[nodiscard]] _LIBCPP_HIDE_FROM_ABI static size_t + operator()(const chrono::zoned_time<_Duration, _TimeZonePtr>& __zt) { + return std::__hash_combine( + hash<chrono::sys_time<_Duration>>{}(__zt.get_sys_time()), hash<_TimeZonePtr>{}(__zt.get_time_zone())); + } +}; + +# endif // _LIBCPP_STD_VER >= 26 + +# endif // _LIBCPP_STD_VER >= 20 && _LIBCPP_HAS_TIME_ZONE_DATABASE && _LIBCPP_HAS_FILESYSTEM && + // _LIBCPP_HAS_LOCALIZATION + +_LIBCPP_END_NAMESPACE_STD + +_LIBCPP_POP_MACROS + +#endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB + +#endif // _LIBCPP___CHRONO_ZONED_TIME_H |