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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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101
third_party/libcxx/__chrono/year_month.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_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