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Upgrade to 2022-era LLVM LIBCXX

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Justine Tunney 2024-05-27 02:12:27 -07:00
parent 2f4ca71f26
commit 8e68384e15
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2078 changed files with 165657 additions and 65010 deletions
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44
third_party/libcxx/__chrono/calendar.h vendored Normal file
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// -*- 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

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// -*- 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

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third_party/libcxx/__chrono/convert_to_timespec.h vendored Normal file
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// -*- 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

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third_party/libcxx/__chrono/convert_to_tm.h vendored Normal file
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// -*- 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/hh_mm_ss.h>
#include <__chrono/month.h>
#include <__chrono/month_weekday.h>
#include <__chrono/monthday.h>
#include <__chrono/statically_widen.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 <__chrono/year_month_weekday.h>
#include <__concepts/same_as.h>
#include <__config>
#include <__format/format_error.h>
#include <__memory/addressof.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::time_point_cast<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;
}
// 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::system_clock>)
return std::__convert_to_tm<_Tm>(__value);
else 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
static_assert(sizeof(_ChronoT) == 0, "TODO: Add the missing clock specialization");
} else if constexpr (chrono::__is_duration<_ChronoT>::value) {
// [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.
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();
} 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

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// -*- 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 <__config>
#include <compare>
#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_; }
_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 constexpr strong_ordering operator<=>(const day& __lhs, const day& __rhs) noexcept {
return static_cast<unsigned>(__lhs) <=> static_cast<unsigned>(__rhs);
}
_LIBCPP_HIDE_FROM_ABI inline constexpr
day operator+ (const day& __lhs, const days& __rhs) noexcept
{ return day(static_cast<unsigned>(__lhs) + __rhs.count()); }
_LIBCPP_HIDE_FROM_ABI inline constexpr
day operator+ (const days& __lhs, const day& __rhs) noexcept
{ return __rhs + __lhs; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
day operator- (const day& __lhs, const days& __rhs) noexcept
{ return __lhs + -__rhs; }
_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
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_STD_VER >= 20
#endif // _LIBCPP___CHRONO_DAY_H

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// -*- 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 <__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 _LIBCPP_TEMPLATE_VIS duration;
template <class _Tp>
struct __is_duration : false_type {};
template <class _Rep, class _Period>
struct __is_duration<duration<_Rep, _Period> > : true_type {};
template <class _Rep, class _Period>
struct __is_duration<const duration<_Rep, _Period> > : true_type {};
template <class _Rep, class _Period>
struct __is_duration<volatile duration<_Rep, _Period> > : true_type {};
template <class _Rep, class _Period>
struct __is_duration<const volatile duration<_Rep, _Period> > : true_type {};
} // namespace chrono
template <class _Rep1, class _Period1, class _Rep2, class _Period2>
struct _LIBCPP_TEMPLATE_VIS common_type<chrono::duration<_Rep1, _Period1>,
chrono::duration<_Rep2, _Period2> >
{
typedef chrono::duration<typename common_type<_Rep1, _Rep2>::type,
typename __ratio_gcd<_Period1, _Period2>::type> 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_INLINE_VISIBILITY _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_INLINE_VISIBILITY _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_INLINE_VISIBILITY _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_INLINE_VISIBILITY _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>
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
typename enable_if
<
__is_duration<_ToDuration>::value,
_ToDuration
>::type
duration_cast(const duration<_Rep, _Period>& __fd)
{
return __duration_cast<duration<_Rep, _Period>, _ToDuration>()(__fd);
}
template <class _Rep>
struct _LIBCPP_TEMPLATE_VIS 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 _LIBCPP_TEMPLATE_VIS duration_values
{
public:
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep zero() _NOEXCEPT {return _Rep(0);}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep max() _NOEXCEPT {return numeric_limits<_Rep>::max();}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep min() _NOEXCEPT {return numeric_limits<_Rep>::lowest();}
};
#if _LIBCPP_STD_VER >= 17
template <class _ToDuration, class _Rep, class _Period>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
typename enable_if
<
__is_duration<_ToDuration>::value,
_ToDuration
>::type
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>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
typename enable_if
<
__is_duration<_ToDuration>::value,
_ToDuration
>::type
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>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
typename enable_if
<
__is_duration<_ToDuration>::value,
_ToDuration
>::type
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 _LIBCPP_TEMPLATE_VIS duration
{
static_assert(!__is_duration<_Rep>::value, "A duration representation can not be a duration");
static_assert(__is_ratio<_Period>::value, "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>::value;
static const intmax_t __gcd_d1_d2 = __static_gcd<_R1::den, _R2::den>::value;
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>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
explicit duration(const _Rep2& __r,
typename enable_if
<
is_convertible<const _Rep2&, rep>::value &&
(treat_as_floating_point<rep>::value ||
!treat_as_floating_point<_Rep2>::value)
>::type* = nullptr)
: __rep_(__r) {}
// conversions
template <class _Rep2, class _Period2>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
duration(const duration<_Rep2, _Period2>& __d,
typename enable_if
<
__no_overflow<_Period2, period>::value && (
treat_as_floating_point<rep>::value ||
(__no_overflow<_Period2, period>::type::den == 1 &&
!treat_as_floating_point<_Rep2>::value))
>::type* = nullptr)
: __rep_(chrono::duration_cast<duration>(__d).count()) {}
// observer
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR rep count() const {return __rep_;}
// arithmetic
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename common_type<duration>::type operator+() const {return typename common_type<duration>::type(*this);}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR typename common_type<duration>::type operator-() const {return typename common_type<duration>::type(-__rep_);}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator++() {++__rep_; return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX17 duration operator++(int) {return duration(__rep_++);}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator--() {--__rep_; return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX17 duration operator--(int) {return duration(__rep_--);}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator+=(const duration& __d) {__rep_ += __d.count(); return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator-=(const duration& __d) {__rep_ -= __d.count(); return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator*=(const rep& __rhs) {__rep_ *= __rhs; return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator/=(const rep& __rhs) {__rep_ /= __rhs; return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator%=(const rep& __rhs) {__rep_ %= __rhs; return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX17 duration& operator%=(const duration& __rhs) {__rep_ %= __rhs.count(); return *this;}
// special values
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR duration zero() _NOEXCEPT {return duration(duration_values<rep>::zero());}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR duration min() _NOEXCEPT {return duration(duration_values<rep>::min());}
_LIBCPP_INLINE_VISIBILITY 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<3600> > hours;
#if _LIBCPP_STD_VER >= 20
typedef duration< int, ratio_multiply<ratio<24>, hours::period>> days;
typedef duration< int, ratio_multiply<ratio<7>, days::period>> weeks;
typedef duration< int, ratio_multiply<ratio<146097, 400>, days::period>> years;
typedef duration< int, ratio_divide<years::period, ratio<12>>> months;
#endif
// Duration ==
template <class _LhsDuration, class _RhsDuration>
struct __duration_eq
{
_LIBCPP_INLINE_VISIBILITY _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_INLINE_VISIBILITY _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_INLINE_VISIBILITY
_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_INLINE_VISIBILITY
_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_INLINE_VISIBILITY _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_INLINE_VISIBILITY _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_INLINE_VISIBILITY
_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_INLINE_VISIBILITY
_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_INLINE_VISIBILITY
_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_INLINE_VISIBILITY
_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>
inline _LIBCPP_INLINE_VISIBILITY
_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>
inline _LIBCPP_INLINE_VISIBILITY
_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>
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
typename enable_if
<
is_convertible<_Rep2, typename common_type<_Rep1, _Rep2>::type>::value,
duration<typename common_type<_Rep1, _Rep2>::type, _Period>
>::type
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>
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
typename enable_if
<
is_convertible<_Rep1, typename common_type<_Rep1, _Rep2>::type>::value,
duration<typename common_type<_Rep1, _Rep2>::type, _Period>
>::type
operator*(const _Rep1& __s, const duration<_Rep2, _Period>& __d)
{
return __d * __s;
}
// Duration /
template <class _Rep1, class _Period, class _Rep2>
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
typename enable_if
<
!__is_duration<_Rep2>::value &&
is_convertible<_Rep2, typename common_type<_Rep1, _Rep2>::type>::value,
duration<typename common_type<_Rep1, _Rep2>::type, _Period>
>::type
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>
inline _LIBCPP_INLINE_VISIBILITY
_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>
inline _LIBCPP_INLINE_VISIBILITY
_LIBCPP_CONSTEXPR
typename enable_if
<
!__is_duration<_Rep2>::value &&
is_convertible<_Rep2, typename common_type<_Rep1, _Rep2>::type>::value,
duration<typename common_type<_Rep1, _Rep2>::type, _Period>
>::type
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>
inline _LIBCPP_INLINE_VISIBILITY
_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
{
_LIBCPP_HIDE_FROM_ABI constexpr chrono::hours operator""h(unsigned long long __h)
{
return chrono::hours(static_cast<chrono::hours::rep>(__h));
}
_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);
}
_LIBCPP_HIDE_FROM_ABI constexpr chrono::minutes operator""min(unsigned long long __m)
{
return chrono::minutes(static_cast<chrono::minutes::rep>(__m));
}
_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);
}
_LIBCPP_HIDE_FROM_ABI constexpr chrono::seconds operator""s(unsigned long long __s)
{
return chrono::seconds(static_cast<chrono::seconds::rep>(__s));
}
_LIBCPP_HIDE_FROM_ABI constexpr chrono::duration<long double> operator""s(long double __s)
{
return chrono::duration<long double> (__s);
}
_LIBCPP_HIDE_FROM_ABI constexpr chrono::milliseconds operator""ms(unsigned long long __ms)
{
return chrono::milliseconds(static_cast<chrono::milliseconds::rep>(__ms));
}
_LIBCPP_HIDE_FROM_ABI constexpr chrono::duration<long double, milli> operator""ms(long double __ms)
{
return chrono::duration<long double, milli>(__ms);
}
_LIBCPP_HIDE_FROM_ABI constexpr chrono::microseconds operator""us(unsigned long long __us)
{
return chrono::microseconds(static_cast<chrono::microseconds::rep>(__us));
}
_LIBCPP_HIDE_FROM_ABI constexpr chrono::duration<long double, micro> operator""us(long double __us)
{
return chrono::duration<long double, micro> (__us);
}
_LIBCPP_HIDE_FROM_ABI constexpr chrono::nanoseconds operator""ns(unsigned long long __ns)
{
return chrono::nanoseconds(static_cast<chrono::nanoseconds::rep>(__ns));
}
_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
_LIBCPP_END_NAMESPACE_STD
_LIBCPP_POP_MACROS
#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
# include <type_traits>
#endif
#endif // _LIBCPP___CHRONO_DURATION_H

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// -*- 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 <__availability>
#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 = _VSTD_FS::_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 !defined(_LIBCPP_HAS_NO_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;
_LIBCPP_AVAILABILITY_FILESYSTEM _LIBCPP_FUNC_VIS static time_point now() noexcept;
#if _LIBCPP_STD_VER >= 20
template <class _Duration>
_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>
_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

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// -*- 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 <__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/hh_mm_ss.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/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 <__chrono/year_month_weekday.h>
#include <__concepts/arithmetic.h>
#include <__concepts/same_as.h>
#include <__config>
#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/formatter_output.h>
#include <__format/parser_std_format_spec.h>
#include <__memory/addressof.h>
#include <cmath>
#include <ctime>
#include <sstream>
#include <string>
#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(const chrono::duration<_Rep, _Period>& __value, basic_stringstream<_CharT>& __sstr) {
__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);
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}"),
__fraction.count(),
chrono::hh_mm_ss<__duration>::fractional_width);
else
std::format_to(std::ostreambuf_iterator<_CharT>{__sstr},
_LIBCPP_STATICALLY_WIDEN(_CharT, "{:0{}}"),
__fraction.count(),
chrono::hh_mm_ss<__duration>::fractional_width);
}
template <class _CharT, __is_time_point _Tp>
_LIBCPP_HIDE_FROM_ABI void __format_sub_seconds(const _Tp& __value, basic_stringstream<_CharT>& __sstr) {
__formatter::__format_sub_seconds(__value.time_since_epoch(), __sstr);
}
template <class _CharT, class _Duration>
_LIBCPP_HIDE_FROM_ABI void
__format_sub_seconds(const chrono::hh_mm_ss<_Duration>& __value, basic_stringstream<_CharT>& __sstr) {
__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);
}
template <class _Tp>
consteval bool __use_fraction() {
if constexpr (__is_time_point<_Tp>)
return chrono::hh_mm_ss<typename _Tp::duration>::fractional_width;
else if constexpr (chrono::__is_duration<_Tp>::value)
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(int __year, basic_stringstream<_CharT>& __sstr) {
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(int __year, basic_stringstream<_CharT>& __sstr) {
// 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);
}
template <class _CharT, class _Tp>
_LIBCPP_HIDE_FROM_ABI void __format_chrono_using_chrono_specs(
const _Tp& __value, basic_stringstream<_CharT>& __sstr, basic_string_view<_CharT> __chrono_specs) {
tm __t = std::__convert_to_tm<tm>(__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(__year, __sstr);
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<_Tp>::value)
// 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<_Tp>::value) {
__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<_Tp>::value) {
__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 (__use_fraction<_Tp>())
__formatter::__format_sub_seconds(__value, __sstr);
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. Intead of of testing all conditions use the internal
// implementation unconditionally.
__formatter::__format_year(__t.tm_year + 1900, __sstr);
break;
case _CharT('F'): {
int __year = __t.tm_year + 1900;
if (__year < 1000) {
__formatter::__format_year(__year, __sstr);
__sstr << std::format(_LIBCPP_STATICALLY_WIDEN(_CharT, "-{:02}-{:02}"), __t.tm_mon + 1, __t.tm_mday);
} else
__facet.put({__sstr}, __sstr, _CharT(' '), std::addressof(__t), std::to_address(__s), std::to_address(__it + 1));
} break;
case _CharT('Z'):
// TODO FMT Add proper timezone support.
__sstr << _LIBCPP_STATICALLY_WIDEN(_CharT, "UTC");
break;
case _CharT('O'):
if constexpr (__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(__value, __sstr);
break;
}
}
[[fallthrough]];
case _CharT('E'):
++__it;
[[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;
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;
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;
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;
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<_Tp>::value) {
if (__value < __value.zero())
__sstr << _CharT('-');
__formatter::__format_chrono_using_chrono_specs(chrono::abs(__value), __sstr, __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(__value, __sstr, __chrono_specs);
}
}
return __formatter::__write_string(__sstr.view(), __ctx.out(), __specs);
}
} // namespace __formatter
template <__fmt_char_type _CharT>
struct _LIBCPP_TEMPLATE_VIS __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 _LIBCPP_TEMPLATE_VIS formatter<chrono::sys_time<_Duration>, _CharT> : public __formatter_chrono<_CharT> {
public:
using _Base = __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 _LIBCPP_TEMPLATE_VIS formatter<chrono::file_time<_Duration>, _CharT> : public __formatter_chrono<_CharT> {
public:
using _Base = __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 _LIBCPP_TEMPLATE_VIS formatter<chrono::local_time<_Duration>, _CharT> : public __formatter_chrono<_CharT> {
public:
using _Base = __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 = __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 _LIBCPP_TEMPLATE_VIS formatter<chrono::day, _CharT>
: public __formatter_chrono<_CharT> {
public:
using _Base = __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 _LIBCPP_TEMPLATE_VIS formatter<chrono::month, _CharT>
: public __formatter_chrono<_CharT> {
public:
using _Base = __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 _LIBCPP_TEMPLATE_VIS formatter<chrono::year, _CharT>
: public __formatter_chrono<_CharT> {
public:
using _Base = __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 _LIBCPP_TEMPLATE_VIS formatter<chrono::weekday, _CharT>
: public __formatter_chrono<_CharT> {
public:
using _Base = __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 _LIBCPP_TEMPLATE_VIS formatter<chrono::weekday_indexed, _CharT>
: public __formatter_chrono<_CharT> {
public:
using _Base = __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 _LIBCPP_TEMPLATE_VIS formatter<chrono::weekday_last, _CharT>
: public __formatter_chrono<_CharT> {
public:
using _Base = __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 _LIBCPP_TEMPLATE_VIS formatter<chrono::month_day, _CharT>
: public __formatter_chrono<_CharT> {
public:
using _Base = __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 _LIBCPP_TEMPLATE_VIS formatter<chrono::month_day_last, _CharT>
: public __formatter_chrono<_CharT> {
public:
using _Base = __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 _LIBCPP_TEMPLATE_VIS formatter<chrono::month_weekday, _CharT>
: public __formatter_chrono<_CharT> {
public:
using _Base = __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 _LIBCPP_TEMPLATE_VIS formatter<chrono::month_weekday_last, _CharT>
: public __formatter_chrono<_CharT> {
public:
using _Base = __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 _LIBCPP_TEMPLATE_VIS formatter<chrono::year_month, _CharT>
: public __formatter_chrono<_CharT> {
public:
using _Base = __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 _LIBCPP_TEMPLATE_VIS formatter<chrono::year_month_day, _CharT>
: public __formatter_chrono<_CharT> {
public:
using _Base = __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 _LIBCPP_TEMPLATE_VIS formatter<chrono::year_month_day_last, _CharT>
: public __formatter_chrono<_CharT> {
public:
using _Base = __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 _LIBCPP_TEMPLATE_VIS formatter<chrono::year_month_weekday, _CharT>
: public __formatter_chrono<_CharT> {
public:
using _Base = __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 _LIBCPP_TEMPLATE_VIS formatter<chrono::year_month_weekday_last, _CharT>
: public __formatter_chrono<_CharT> {
public:
using _Base = __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 = __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);
}
};
#endif // if _LIBCPP_STD_VER >= 20
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___CHRONO_FORMATTER_H

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// -*- 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<_Duration>::value, "template parameter of hh_mm_ss must be a std::chrono::duration");
using __CommonType = 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()))
{}
_LIBCPP_HIDE_FROM_ABI constexpr bool is_negative() const noexcept { return __is_neg_; }
_LIBCPP_HIDE_FROM_ABI constexpr chrono::hours hours() const noexcept { return __h_; }
_LIBCPP_HIDE_FROM_ABI constexpr chrono::minutes minutes() const noexcept { return __m_; }
_LIBCPP_HIDE_FROM_ABI constexpr chrono::seconds seconds() const noexcept { return __s_; }
_LIBCPP_HIDE_FROM_ABI constexpr precision subseconds() const noexcept { return __f_; }
_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);
_LIBCPP_HIDE_FROM_ABI constexpr bool is_am(const hours& __h) noexcept { return __h >= hours( 0) && __h < hours(12); }
_LIBCPP_HIDE_FROM_ABI constexpr bool is_pm(const hours& __h) noexcept { return __h >= hours(12) && __h < hours(24); }
_LIBCPP_HIDE_FROM_ABI 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);
}
_LIBCPP_HIDE_FROM_ABI 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

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// -*- 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
{
#ifndef _LIBCPP_HAS_NO_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

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// -*- 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
{
_LIBCPP_HIDE_FROM_ABI constexpr chrono::day operator ""d(unsigned long long __d) noexcept
{
return chrono::day(static_cast<unsigned>(__d));
}
_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

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// -*- 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 <__config>
#include <compare>
#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 { ++__m_; 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 { --__m_; 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_; }
_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 constexpr strong_ordering operator<=>(const month& __lhs, const month& __rhs) noexcept {
return static_cast<unsigned>(__lhs) <=> static_cast<unsigned>(__rhs);
}
_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)};
}
_LIBCPP_HIDE_FROM_ABI inline constexpr
month operator+ (const months& __lhs, const month& __rhs) noexcept
{ return __rhs + __lhs; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
month operator- (const month& __lhs, const months& __rhs) noexcept
{ return __lhs + -__rhs; }
_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
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_STD_VER >= 20
#endif // _LIBCPP___CHRONO_MONTH_H

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// -*- 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>
#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} {}
_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::month month() const noexcept { return __m_; }
_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::weekday_indexed weekday_indexed() const noexcept { return __wdi_; }
_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(); }
_LIBCPP_HIDE_FROM_ABI inline constexpr
bool operator!=(const month_weekday& __lhs, const month_weekday& __rhs) noexcept
{ return !(__lhs == __rhs); }
_LIBCPP_HIDE_FROM_ABI inline constexpr
month_weekday operator/(const month& __lhs, const weekday_indexed& __rhs) noexcept
{ return month_weekday{__lhs, __rhs}; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
month_weekday operator/(int __lhs, const weekday_indexed& __rhs) noexcept
{ return month_weekday{month(__lhs), __rhs}; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
month_weekday operator/(const weekday_indexed& __lhs, const month& __rhs) noexcept
{ return month_weekday{__rhs, __lhs}; }
_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} {}
_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::month month() const noexcept { return __m_; }
_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::weekday_last weekday_last() const noexcept { return __wdl_; }
_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(); }
_LIBCPP_HIDE_FROM_ABI inline constexpr
bool operator!=(const month_weekday_last& __lhs, const month_weekday_last& __rhs) noexcept
{ return !(__lhs == __rhs); }
_LIBCPP_HIDE_FROM_ABI inline constexpr
month_weekday_last operator/(const month& __lhs, const weekday_last& __rhs) noexcept
{ return month_weekday_last{__lhs, __rhs}; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
month_weekday_last operator/(int __lhs, const weekday_last& __rhs) noexcept
{ return month_weekday_last{month(__lhs), __rhs}; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
month_weekday_last operator/(const weekday_last& __lhs, const month& __rhs) noexcept
{ return month_weekday_last{__rhs, __lhs}; }
_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
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_STD_VER >= 20
#endif // _LIBCPP___CHRONO_MONTH_WEEKDAY_H

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// -*- 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 <__config>
#include <compare>
#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} {}
_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::month month() const noexcept { return __m_; }
_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::day day() const noexcept { return __d_; }
_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 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();
}
_LIBCPP_HIDE_FROM_ABI inline constexpr
month_day operator/(const month& __lhs, const day& __rhs) noexcept
{ return month_day{__lhs, __rhs}; }
_LIBCPP_HIDE_FROM_ABI constexpr
month_day operator/(const day& __lhs, const month& __rhs) noexcept
{ return __rhs / __lhs; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
month_day operator/(const month& __lhs, int __rhs) noexcept
{ return __lhs / day(__rhs); }
_LIBCPP_HIDE_FROM_ABI constexpr
month_day operator/(int __lhs, const day& __rhs) noexcept
{ return month(__lhs) / __rhs; }
_LIBCPP_HIDE_FROM_ABI 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} {}
_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::month month() const noexcept { return __m_; }
_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 constexpr strong_ordering
operator<=>(const month_day_last& __lhs, const month_day_last& __rhs) noexcept {
return __lhs.month() <=> __rhs.month();
}
_LIBCPP_HIDE_FROM_ABI inline constexpr
month_day_last operator/(const month& __lhs, last_spec) noexcept
{ return month_day_last{__lhs}; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
month_day_last operator/(last_spec, const month& __rhs) noexcept
{ return month_day_last{__rhs}; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
month_day_last operator/(int __lhs, last_spec) noexcept
{ return month_day_last{month(__lhs)}; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
month_day_last operator/(last_spec, int __rhs) noexcept
{ return month_day_last{month(__rhs)}; }
} // namespace chrono
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_STD_VER >= 20
#endif // _LIBCPP___CHRONO_MONTHDAY_H

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// -*- 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 <__chrono/calendar.h>
#include <__chrono/day.h>
#include <__chrono/duration.h>
#include <__chrono/file_clock.h>
#include <__chrono/hh_mm_ss.h>
#include <__chrono/month.h>
#include <__chrono/month_weekday.h>
#include <__chrono/monthday.h>
#include <__chrono/statically_widen.h>
#include <__chrono/system_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 <__concepts/same_as.h>
#include <__config>
#include <__format/format_functions.h>
#include <ostream>
#include <ratio>
#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>
_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, 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>)
# ifndef _LIBCPP_HAS_NO_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);
}
} // namespace chrono
#endif // if _LIBCPP_STD_VER >= 20
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___CHRONO_OSTREAM_H

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// -*- 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>
#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 _LIBCPP_TEMPLATE_VIS __parser_chrono {
using _ConstIterator = 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(__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("Expected '%' or '}' in the chrono format-string");
do {
switch (*__begin) {
case _CharT('{'):
std::__throw_format_error("The chrono-specs contains 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 the modifier chrono conversion-spec");
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___CHRONO_PARSER_STD_FORMAT_SPEC_H

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// -*- 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
# ifndef _LIBCPP_HAS_NO_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_NO_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_NO_WIDE_CHARACTERS
#endif //_LIBCPP_STD_VER >= 20
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___CHRONO_STATICALLY_WIDEN_H

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// -*- 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
{
#ifndef _LIBCPP_HAS_NO_MONOTONIC_CLOCK
class _LIBCPP_TYPE_VIS 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;
static time_point now() _NOEXCEPT;
};
#endif
} // namespace chrono
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___CHRONO_STEADY_CLOCK_H

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// -*- 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_TYPE_VIS 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;
static time_point now() _NOEXCEPT;
static time_t to_time_t (const time_point& __t) _NOEXCEPT;
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

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// -*- 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 <__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 _LIBCPP_TEMPLATE_VIS time_point
{
static_assert(__is_duration<_Duration>::value,
"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_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 time_point() : __d_(duration::zero()) {}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 explicit time_point(const duration& __d) : __d_(__d) {}
// conversions
template <class _Duration2>
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14
time_point(const time_point<clock, _Duration2>& __t,
typename enable_if
<
is_convertible<_Duration2, duration>::value
>::type* = nullptr)
: __d_(__t.time_since_epoch()) {}
// observer
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 duration time_since_epoch() const {return __d_;}
// arithmetic
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX17 time_point& operator+=(const duration& __d) {__d_ += __d; return *this;}
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX17 time_point& operator-=(const duration& __d) {__d_ -= __d; return *this;}
// special values
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR time_point min() _NOEXCEPT {return time_point(duration::min());}
_LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR time_point max() _NOEXCEPT {return time_point(duration::max());}
};
} // namespace chrono
template <class _Clock, class _Duration1, class _Duration2>
struct _LIBCPP_TEMPLATE_VIS 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>
inline _LIBCPP_INLINE_VISIBILITY _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>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
typename enable_if
<
__is_duration<_ToDuration>::value,
time_point<_Clock, _ToDuration>
>::type
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>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
typename enable_if
<
__is_duration<_ToDuration>::value,
time_point<_Clock, _ToDuration>
>::type
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>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
typename enable_if
<
__is_duration<_ToDuration>::value,
time_point<_Clock, _ToDuration>
>::type
round(const time_point<_Clock, _Duration>& __t)
{
return time_point<_Clock, _ToDuration>{chrono::round<_ToDuration>(__t.time_since_epoch())};
}
template <class _Rep, class _Period>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR
typename enable_if
<
numeric_limits<_Rep>::is_signed,
duration<_Rep, _Period>
>::type
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_INLINE_VISIBILITY _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_INLINE_VISIBILITY _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_INLINE_VISIBILITY _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_INLINE_VISIBILITY _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_INLINE_VISIBILITY _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_INLINE_VISIBILITY _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>
inline _LIBCPP_INLINE_VISIBILITY _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>
inline _LIBCPP_INLINE_VISIBILITY _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>
inline _LIBCPP_INLINE_VISIBILITY _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>
inline _LIBCPP_INLINE_VISIBILITY _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
_LIBCPP_END_NAMESPACE_STD
_LIBCPP_POP_MACROS
#endif // _LIBCPP___CHRONO_TIME_POINT_H

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// -*- 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>
#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;
_LIBCPP_HIDE_FROM_ABI inline constexpr unsigned c_encoding() const noexcept { return __wd_; }
_LIBCPP_HIDE_FROM_ABI inline constexpr unsigned iso_encoding() const noexcept { return __wd_ == 0u ? 7 : __wd_; }
_LIBCPP_HIDE_FROM_ABI inline constexpr bool ok() const noexcept { return __wd_ <= 6; }
_LIBCPP_HIDE_FROM_ABI constexpr weekday_indexed operator[](unsigned __index) const noexcept;
_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(); }
_LIBCPP_HIDE_FROM_ABI inline constexpr
bool operator!=(const weekday& __lhs, const weekday& __rhs) noexcept
{ return !(__lhs == __rhs); }
_LIBCPP_HIDE_FROM_ABI inline constexpr
bool operator< (const weekday& __lhs, const weekday& __rhs) noexcept
{ return __lhs.c_encoding() < __rhs.c_encoding(); }
_LIBCPP_HIDE_FROM_ABI inline constexpr
bool operator> (const weekday& __lhs, const weekday& __rhs) noexcept
{ return __rhs < __lhs; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
bool operator<=(const weekday& __lhs, const weekday& __rhs) noexcept
{ return !(__rhs < __lhs);}
_LIBCPP_HIDE_FROM_ABI inline constexpr
bool operator>=(const weekday& __lhs, const weekday& __rhs) noexcept
{ return !(__lhs < __rhs); }
_LIBCPP_HIDE_FROM_ABI 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)};
}
_LIBCPP_HIDE_FROM_ABI constexpr
weekday operator+(const days& __lhs, const weekday& __rhs) noexcept
{ return __rhs + __lhs; }
_LIBCPP_HIDE_FROM_ABI constexpr
weekday operator-(const weekday& __lhs, const days& __rhs) noexcept
{ return __lhs + -__rhs; }
_LIBCPP_HIDE_FROM_ABI 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) {}
_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::weekday weekday() const noexcept { return __wd_; }
_LIBCPP_HIDE_FROM_ABI inline constexpr unsigned index() const noexcept { return __idx_; }
_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(); }
_LIBCPP_HIDE_FROM_ABI inline constexpr
bool operator!=(const weekday_indexed& __lhs, const weekday_indexed& __rhs) noexcept
{ return !(__lhs == __rhs); }
class weekday_last {
private:
chrono::weekday __wd_;
public:
_LIBCPP_HIDE_FROM_ABI explicit constexpr weekday_last(const chrono::weekday& __val) noexcept
: __wd_{__val} {}
_LIBCPP_HIDE_FROM_ABI constexpr chrono::weekday weekday() const noexcept { return __wd_; }
_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
bool operator!=(const weekday_last& __lhs, const weekday_last& __rhs) noexcept
{ return !(__lhs == __rhs); }
_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
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_STD_VER >= 20
#endif // _LIBCPP___CHRONO_WEEKDAY_H

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// -*- 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 <__config>
#include <compare>
#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;
_LIBCPP_HIDE_FROM_ABI inline constexpr year operator+() const noexcept { return *this; }
_LIBCPP_HIDE_FROM_ABI inline constexpr year operator-() const noexcept { return year{-__y_}; }
_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_; }
_LIBCPP_HIDE_FROM_ABI constexpr bool ok() const noexcept;
_LIBCPP_HIDE_FROM_ABI static inline constexpr year min() noexcept { return year{-32767}; }
_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);
}
_LIBCPP_HIDE_FROM_ABI inline constexpr
year operator+ (const year& __lhs, const years& __rhs) noexcept
{ return year(static_cast<int>(__lhs) + __rhs.count()); }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year operator+ (const years& __lhs, const year& __rhs) noexcept
{ return __rhs + __lhs; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year operator- (const year& __lhs, const years& __rhs) noexcept
{ return __lhs + -__rhs; }
_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
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_STD_VER >= 20
_LIBCPP_POP_MACROS
#endif // _LIBCPP___CHRONO_YEAR_H

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// -*- 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 <__config>
#include <compare>
#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} {}
_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::year year() const noexcept { return __y_; }
_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 { this->__m_ += __dm; return *this; }
_LIBCPP_HIDE_FROM_ABI inline constexpr year_month& operator-=(const months& __dm) noexcept { this->__m_ -= __dm; return *this; }
_LIBCPP_HIDE_FROM_ABI inline constexpr year_month& operator+=(const years& __dy) noexcept { this->__y_ += __dy; return *this; }
_LIBCPP_HIDE_FROM_ABI inline constexpr year_month& operator-=(const years& __dy) noexcept { this->__y_ -= __dy; return *this; }
_LIBCPP_HIDE_FROM_ABI inline constexpr bool ok() const noexcept { return __y_.ok() && __m_.ok(); }
};
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month operator/(const year& __y, const month& __m) noexcept { return year_month{__y, __m}; }
_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 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();
}
_LIBCPP_HIDE_FROM_ABI 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));
}
_LIBCPP_HIDE_FROM_ABI constexpr
year_month operator+(const months& __lhs, const year_month& __rhs) noexcept
{ return __rhs + __lhs; }
_LIBCPP_HIDE_FROM_ABI constexpr
year_month operator+(const year_month& __lhs, const years& __rhs) noexcept
{ return (__lhs.year() + __rhs) / __lhs.month(); }
_LIBCPP_HIDE_FROM_ABI constexpr
year_month operator+(const years& __lhs, const year_month& __rhs) noexcept
{ return __rhs + __lhs; }
_LIBCPP_HIDE_FROM_ABI 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())); }
_LIBCPP_HIDE_FROM_ABI constexpr
year_month operator-(const year_month& __lhs, const months& __rhs) noexcept
{ return __lhs + -__rhs; }
_LIBCPP_HIDE_FROM_ABI constexpr
year_month operator-(const year_month& __lhs, const years& __rhs) noexcept
{ return __lhs + -__rhs; }
} // namespace chrono
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_STD_VER >= 20
#endif // _LIBCPP___CHRONO_YEAR_MONTH_H

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// -*- 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 <__config>
#include <compare>
#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;
_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::year year() const noexcept { return __y_; }
_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::month month() const noexcept { return __m_; }
_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()}; }
_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 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();
}
_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}; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_day operator/(const year_month& __lhs, int __rhs) noexcept
{ return __lhs / day(__rhs); }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_day operator/(const year& __lhs, const month_day& __rhs) noexcept
{ return __lhs / __rhs.month() / __rhs.day(); }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_day operator/(int __lhs, const month_day& __rhs) noexcept
{ return year(__lhs) / __rhs; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_day operator/(const month_day& __lhs, const year& __rhs) noexcept
{ return __rhs / __lhs; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_day operator/(const month_day& __lhs, int __rhs) noexcept
{ return year(__rhs) / __lhs; }
_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(); }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_day operator+(const months& __lhs, const year_month_day& __rhs) noexcept
{ return __rhs + __lhs; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_day operator-(const year_month_day& __lhs, const months& __rhs) noexcept
{ return __lhs + -__rhs; }
_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(); }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_day operator+(const years& __lhs, const year_month_day& __rhs) noexcept
{ return __rhs + __lhs; }
_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;
_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::year year() const noexcept { return __y_; }
_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::month month() const noexcept { return __mdl_.month(); }
_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::month_day_last month_day_last() const noexcept { return __mdl_; }
_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()}; }
_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
bool operator!=(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
{ return !(__lhs == __rhs); }
_LIBCPP_HIDE_FROM_ABI inline constexpr
bool operator< (const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
{
if (__lhs.year() < __rhs.year()) return true;
if (__lhs.year() > __rhs.year()) return false;
return __lhs.month_day_last() < __rhs.month_day_last();
}
_LIBCPP_HIDE_FROM_ABI inline constexpr
bool operator> (const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
{ return __rhs < __lhs; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
bool operator<=(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
{ return !(__rhs < __lhs);}
_LIBCPP_HIDE_FROM_ABI inline constexpr
bool operator>=(const year_month_day_last& __lhs, const year_month_day_last& __rhs) noexcept
{ return !(__lhs < __rhs); }
_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()}}; }
_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}; }
_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}; }
_LIBCPP_HIDE_FROM_ABI inline constexpr year_month_day_last
operator/(const month_day_last& __lhs, const year& __rhs) noexcept
{ return __rhs / __lhs; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_day_last operator/(const month_day_last& __lhs, int __rhs) noexcept
{ return year{__rhs} / __lhs; }
_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; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_day_last operator+(const months& __lhs, const year_month_day_last& __rhs) noexcept
{ return __rhs + __lhs; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_day_last operator-(const year_month_day_last& __lhs, const months& __rhs) noexcept
{ return __lhs + (-__rhs); }
_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()}; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_day_last operator+(const years& __lhs, const year_month_day_last& __rhs) noexcept
{ return __rhs + __lhs; }
_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
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_STD_VER >= 20
#endif // _LIBCPP___CHRONO_YEAR_MONTH_DAY_H

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// -*- 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>
#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;
_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::year year() const noexcept { return __y_; }
_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::month month() const noexcept { return __m_; }
_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::weekday weekday() const noexcept { return __wdi_.weekday(); }
_LIBCPP_HIDE_FROM_ABI inline constexpr unsigned index() const noexcept { return __wdi_.index(); }
_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()}; }
_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(); }
_LIBCPP_HIDE_FROM_ABI inline constexpr
bool operator!=(const year_month_weekday& __lhs, const year_month_weekday& __rhs) noexcept
{ return !(__lhs == __rhs); }
_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}; }
_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()}; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_weekday operator/(int __lhs, const month_weekday& __rhs) noexcept
{ return year(__lhs) / __rhs; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_weekday operator/(const month_weekday& __lhs, const year& __rhs) noexcept
{ return __rhs / __lhs; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_weekday operator/(const month_weekday& __lhs, int __rhs) noexcept
{ return year(__rhs) / __lhs; }
_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(); }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_weekday operator+(const months& __lhs, const year_month_weekday& __rhs) noexcept
{ return __rhs + __lhs; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_weekday operator-(const year_month_weekday& __lhs, const months& __rhs) noexcept
{ return __lhs + (-__rhs); }
_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()}; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_weekday operator+(const years& __lhs, const year_month_weekday& __rhs) noexcept
{ return __rhs + __lhs; }
_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;
_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::year year() const noexcept { return __y_; }
_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::month month() const noexcept { return __m_; }
_LIBCPP_HIDE_FROM_ABI inline constexpr chrono::weekday weekday() const noexcept { return __wdl_.weekday(); }
_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()}; }
_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(); }
_LIBCPP_HIDE_FROM_ABI inline constexpr
bool operator!=(const year_month_weekday_last& __lhs, const year_month_weekday_last& __rhs) noexcept
{ return !(__lhs == __rhs); }
_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}; }
_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()}; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_weekday_last operator/(int __lhs, const month_weekday_last& __rhs) noexcept
{ return year(__lhs) / __rhs; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_weekday_last operator/(const month_weekday_last& __lhs, const year& __rhs) noexcept
{ return __rhs / __lhs; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_weekday_last operator/(const month_weekday_last& __lhs, int __rhs) noexcept
{ return year(__rhs) / __lhs; }
_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(); }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_weekday_last operator+(const months& __lhs, const year_month_weekday_last& __rhs) noexcept
{ return __rhs + __lhs; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_weekday_last operator-(const year_month_weekday_last& __lhs, const months& __rhs) noexcept
{ return __lhs + (-__rhs); }
_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()}; }
_LIBCPP_HIDE_FROM_ABI inline constexpr
year_month_weekday_last operator+(const years& __lhs, const year_month_weekday_last& __rhs) noexcept
{ return __rhs + __lhs; }
_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
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_STD_VER >= 20
#endif // _LIBCPP___CHRONO_YEAR_MONTH_WEEKDAY_H