mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-06-01 10:12:27 +00:00
Release Cosmopolitan v3.6.0
This release is an atomic upgrade to GCC 14.1.0 with C23 and C++23
This commit is contained in:
Justine Tunney
parent
62ace3623a
commit
5660ec4741
1585 changed files with 117353 additions and 271644 deletions
644
third_party/libcxx/__split_buffer
vendored
644
third_party/libcxx/__split_buffer
vendored
|
|
@ -24,13 +24,14 @@
|
|||
#include <__memory/pointer_traits.h>
|
||||
#include <__memory/swap_allocator.h>
|
||||
#include <__type_traits/add_lvalue_reference.h>
|
||||
#include <__type_traits/conditional.h>
|
||||
#include <__type_traits/enable_if.h>
|
||||
#include <__type_traits/integral_constant.h>
|
||||
#include <__type_traits/is_nothrow_default_constructible.h>
|
||||
#include <__type_traits/is_nothrow_move_assignable.h>
|
||||
#include <__type_traits/is_nothrow_move_constructible.h>
|
||||
#include <__type_traits/is_nothrow_assignable.h>
|
||||
#include <__type_traits/is_nothrow_constructible.h>
|
||||
#include <__type_traits/is_swappable.h>
|
||||
#include <__type_traits/is_trivially_destructible.h>
|
||||
#include <__type_traits/is_trivially_relocatable.h>
|
||||
#include <__type_traits/remove_reference.h>
|
||||
#include <__utility/forward.h>
|
||||
#include <__utility/move.h>
|
||||
|
|
@ -43,7 +44,6 @@
|
|||
_LIBCPP_PUSH_MACROS
|
||||
#include <__undef_macros>
|
||||
|
||||
|
||||
_LIBCPP_BEGIN_NAMESPACE_STD
|
||||
|
||||
// __split_buffer allocates a contiguous chunk of memory and stores objects in the range [__begin_, __end_).
|
||||
|
|
@ -51,8 +51,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD
|
|||
// it to grow both in the front and back without having to move the data.
|
||||
|
||||
template <class _Tp, class _Allocator = allocator<_Tp> >
|
||||
struct __split_buffer
|
||||
{
|
||||
struct __split_buffer {
|
||||
public:
|
||||
using value_type = _Tp;
|
||||
using allocator_type = _Allocator;
|
||||
|
|
@ -67,6 +66,15 @@ public:
|
|||
using iterator = pointer;
|
||||
using const_iterator = const_pointer;
|
||||
|
||||
// A __split_buffer contains the following members which may be trivially relocatable:
|
||||
// - pointer: may be trivially relocatable, so it's checked
|
||||
// - allocator_type: may be trivially relocatable, so it's checked
|
||||
// __split_buffer doesn't have any self-references, so it's trivially relocatable if its members are.
|
||||
using __trivially_relocatable = __conditional_t<
|
||||
__libcpp_is_trivially_relocatable<pointer>::value && __libcpp_is_trivially_relocatable<allocator_type>::value,
|
||||
__split_buffer,
|
||||
void>;
|
||||
|
||||
pointer __first_;
|
||||
pointer __begin_;
|
||||
pointer __end_;
|
||||
|
|
@ -75,7 +83,7 @@ public:
|
|||
using __alloc_ref = __add_lvalue_reference_t<allocator_type>;
|
||||
using __alloc_const_ref = __add_lvalue_reference_t<allocator_type>;
|
||||
|
||||
__split_buffer(const __split_buffer&) = delete;
|
||||
__split_buffer(const __split_buffer&) = delete;
|
||||
__split_buffer& operator=(const __split_buffer&) = delete;
|
||||
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI __split_buffer()
|
||||
|
|
@ -160,23 +168,20 @@ public:
|
|||
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __construct_at_end(size_type __n);
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __construct_at_end(size_type __n, const_reference __x);
|
||||
|
||||
template <class _InputIter>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI
|
||||
__enable_if_t<__has_exactly_input_iterator_category<_InputIter>::value>
|
||||
__construct_at_end(_InputIter __first, _InputIter __last);
|
||||
template <class _InputIter, __enable_if_t<__has_exactly_input_iterator_category<_InputIter>::value, int> = 0>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __construct_at_end(_InputIter __first, _InputIter __last);
|
||||
|
||||
template <class _ForwardIterator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI
|
||||
__enable_if_t<__has_forward_iterator_category<_ForwardIterator>::value>
|
||||
__construct_at_end(_ForwardIterator __first, _ForwardIterator __last);
|
||||
template <class _ForwardIterator, __enable_if_t<__has_forward_iterator_category<_ForwardIterator>::value, int> = 0>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void
|
||||
__construct_at_end(_ForwardIterator __first, _ForwardIterator __last);
|
||||
|
||||
template <class _Iterator, class _Sentinel>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI
|
||||
void __construct_at_end_with_sentinel(_Iterator __first, _Sentinel __last);
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void
|
||||
__construct_at_end_with_sentinel(_Iterator __first, _Sentinel __last);
|
||||
|
||||
template <class _Iterator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI
|
||||
void __construct_at_end_with_size(_Iterator __first, size_type __n);
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void
|
||||
__construct_at_end_with_size(_Iterator __first, size_type __n);
|
||||
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __destruct_at_begin(pointer __new_begin) {
|
||||
__destruct_at_begin(__new_begin, is_trivially_destructible<value_type>());
|
||||
|
|
@ -193,21 +198,21 @@ public:
|
|||
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __destruct_at_end(pointer __new_last, true_type) _NOEXCEPT;
|
||||
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void swap(__split_buffer& __x)
|
||||
_NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || __is_nothrow_swappable<__alloc_rr>::value);
|
||||
_NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || __is_nothrow_swappable_v<__alloc_rr>);
|
||||
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI bool __invariants() const;
|
||||
|
||||
private:
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __move_assign_alloc(__split_buffer& __c, true_type)
|
||||
_NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value) {
|
||||
__alloc() = _VSTD::move(__c.__alloc());
|
||||
__alloc() = std::move(__c.__alloc());
|
||||
}
|
||||
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI void __move_assign_alloc(__split_buffer&, false_type) _NOEXCEPT {}
|
||||
|
||||
struct _ConstructTransaction {
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 _LIBCPP_HIDE_FROM_ABI explicit _ConstructTransaction(
|
||||
pointer* __p, size_type __n) _NOEXCEPT
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
_LIBCPP_HIDE_FROM_ABI explicit _ConstructTransaction(pointer* __p, size_type __n) _NOEXCEPT
|
||||
: __pos_(*__p),
|
||||
__end_(*__p + __n),
|
||||
__dest_(__p) {}
|
||||
|
|
@ -223,29 +228,23 @@ private:
|
|||
};
|
||||
|
||||
template <class _Tp, class _Allocator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
bool
|
||||
__split_buffer<_Tp, _Allocator>::__invariants() const
|
||||
{
|
||||
if (__first_ == nullptr)
|
||||
{
|
||||
if (__begin_ != nullptr)
|
||||
return false;
|
||||
if (__end_ != nullptr)
|
||||
return false;
|
||||
if (__end_cap() != nullptr)
|
||||
return false;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (__begin_ < __first_)
|
||||
return false;
|
||||
if (__end_ < __begin_)
|
||||
return false;
|
||||
if (__end_cap() < __end_)
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 bool __split_buffer<_Tp, _Allocator>::__invariants() const {
|
||||
if (__first_ == nullptr) {
|
||||
if (__begin_ != nullptr)
|
||||
return false;
|
||||
if (__end_ != nullptr)
|
||||
return false;
|
||||
if (__end_cap() != nullptr)
|
||||
return false;
|
||||
} else {
|
||||
if (__begin_ < __first_)
|
||||
return false;
|
||||
if (__end_ < __begin_)
|
||||
return false;
|
||||
if (__end_cap() < __end_)
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
// Default constructs __n objects starting at __end_
|
||||
|
|
@ -254,14 +253,11 @@ __split_buffer<_Tp, _Allocator>::__invariants() const
|
|||
// Precondition: size() + __n <= capacity()
|
||||
// Postcondition: size() == size() + __n
|
||||
template <class _Tp, class _Allocator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
void
|
||||
__split_buffer<_Tp, _Allocator>::__construct_at_end(size_type __n)
|
||||
{
|
||||
_ConstructTransaction __tx(&this->__end_, __n);
|
||||
for (; __tx.__pos_ != __tx.__end_; ++__tx.__pos_) {
|
||||
__alloc_traits::construct(this->__alloc(), _VSTD::__to_address(__tx.__pos_));
|
||||
}
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 void __split_buffer<_Tp, _Allocator>::__construct_at_end(size_type __n) {
|
||||
_ConstructTransaction __tx(&this->__end_, __n);
|
||||
for (; __tx.__pos_ != __tx.__end_; ++__tx.__pos_) {
|
||||
__alloc_traits::construct(this->__alloc(), std::__to_address(__tx.__pos_));
|
||||
}
|
||||
}
|
||||
|
||||
// Copy constructs __n objects starting at __end_ from __x
|
||||
|
|
@ -271,413 +267,315 @@ __split_buffer<_Tp, _Allocator>::__construct_at_end(size_type __n)
|
|||
// Postcondition: size() == old size() + __n
|
||||
// Postcondition: [i] == __x for all i in [size() - __n, __n)
|
||||
template <class _Tp, class _Allocator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
void
|
||||
__split_buffer<_Tp, _Allocator>::__construct_at_end(size_type __n, const_reference __x)
|
||||
{
|
||||
_ConstructTransaction __tx(&this->__end_, __n);
|
||||
for (; __tx.__pos_ != __tx.__end_; ++__tx.__pos_) {
|
||||
__alloc_traits::construct(this->__alloc(),
|
||||
_VSTD::__to_address(__tx.__pos_), __x);
|
||||
}
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 void
|
||||
__split_buffer<_Tp, _Allocator>::__construct_at_end(size_type __n, const_reference __x) {
|
||||
_ConstructTransaction __tx(&this->__end_, __n);
|
||||
for (; __tx.__pos_ != __tx.__end_; ++__tx.__pos_) {
|
||||
__alloc_traits::construct(this->__alloc(), std::__to_address(__tx.__pos_), __x);
|
||||
}
|
||||
}
|
||||
|
||||
template <class _Tp, class _Allocator>
|
||||
template <class _InputIter>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 __enable_if_t<__has_exactly_input_iterator_category<_InputIter>::value>
|
||||
__split_buffer<_Tp, _Allocator>::__construct_at_end(_InputIter __first, _InputIter __last)
|
||||
{
|
||||
template <class _InputIter, __enable_if_t<__has_exactly_input_iterator_category<_InputIter>::value, int> >
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 void
|
||||
__split_buffer<_Tp, _Allocator>::__construct_at_end(_InputIter __first, _InputIter __last) {
|
||||
__construct_at_end_with_sentinel(__first, __last);
|
||||
}
|
||||
|
||||
template <class _Tp, class _Allocator>
|
||||
template <class _Iterator, class _Sentinel>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
void __split_buffer<_Tp, _Allocator>::__construct_at_end_with_sentinel(_Iterator __first, _Sentinel __last) {
|
||||
__alloc_rr& __a = this->__alloc();
|
||||
for (; __first != __last; ++__first)
|
||||
{
|
||||
if (__end_ == __end_cap())
|
||||
{
|
||||
size_type __old_cap = __end_cap() - __first_;
|
||||
size_type __new_cap = _VSTD::max<size_type>(2 * __old_cap, 8);
|
||||
__split_buffer __buf(__new_cap, 0, __a);
|
||||
for (pointer __p = __begin_; __p != __end_; ++__p, (void) ++__buf.__end_)
|
||||
__alloc_traits::construct(__buf.__alloc(),
|
||||
_VSTD::__to_address(__buf.__end_), _VSTD::move(*__p));
|
||||
swap(__buf);
|
||||
}
|
||||
__alloc_traits::construct(__a, _VSTD::__to_address(this->__end_), *__first);
|
||||
++this->__end_;
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 void
|
||||
__split_buffer<_Tp, _Allocator>::__construct_at_end_with_sentinel(_Iterator __first, _Sentinel __last) {
|
||||
__alloc_rr& __a = this->__alloc();
|
||||
for (; __first != __last; ++__first) {
|
||||
if (__end_ == __end_cap()) {
|
||||
size_type __old_cap = __end_cap() - __first_;
|
||||
size_type __new_cap = std::max<size_type>(2 * __old_cap, 8);
|
||||
__split_buffer __buf(__new_cap, 0, __a);
|
||||
for (pointer __p = __begin_; __p != __end_; ++__p, (void)++__buf.__end_)
|
||||
__alloc_traits::construct(__buf.__alloc(), std::__to_address(__buf.__end_), std::move(*__p));
|
||||
swap(__buf);
|
||||
}
|
||||
__alloc_traits::construct(__a, std::__to_address(this->__end_), *__first);
|
||||
++this->__end_;
|
||||
}
|
||||
}
|
||||
template <class _Tp, class _Allocator>
|
||||
template <class _ForwardIterator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 __enable_if_t<__has_forward_iterator_category<_ForwardIterator>::value>
|
||||
__split_buffer<_Tp, _Allocator>::__construct_at_end(_ForwardIterator __first, _ForwardIterator __last)
|
||||
{
|
||||
template <class _ForwardIterator, __enable_if_t<__has_forward_iterator_category<_ForwardIterator>::value, int> >
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 void
|
||||
__split_buffer<_Tp, _Allocator>::__construct_at_end(_ForwardIterator __first, _ForwardIterator __last) {
|
||||
__construct_at_end_with_size(__first, std::distance(__first, __last));
|
||||
}
|
||||
|
||||
template <class _Tp, class _Allocator>
|
||||
template <class _ForwardIterator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
void __split_buffer<_Tp, _Allocator>::__construct_at_end_with_size(_ForwardIterator __first, size_type __n) {
|
||||
_ConstructTransaction __tx(&this->__end_, __n);
|
||||
for (; __tx.__pos_ != __tx.__end_; ++__tx.__pos_, (void) ++__first) {
|
||||
__alloc_traits::construct(this->__alloc(),
|
||||
_VSTD::__to_address(__tx.__pos_), *__first);
|
||||
}
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 void
|
||||
__split_buffer<_Tp, _Allocator>::__construct_at_end_with_size(_ForwardIterator __first, size_type __n) {
|
||||
_ConstructTransaction __tx(&this->__end_, __n);
|
||||
for (; __tx.__pos_ != __tx.__end_; ++__tx.__pos_, (void)++__first) {
|
||||
__alloc_traits::construct(this->__alloc(), std::__to_address(__tx.__pos_), *__first);
|
||||
}
|
||||
}
|
||||
|
||||
template <class _Tp, class _Allocator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
inline
|
||||
void
|
||||
__split_buffer<_Tp, _Allocator>::__destruct_at_begin(pointer __new_begin, false_type)
|
||||
{
|
||||
while (__begin_ != __new_begin)
|
||||
__alloc_traits::destroy(__alloc(), _VSTD::__to_address(__begin_++));
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 inline void
|
||||
__split_buffer<_Tp, _Allocator>::__destruct_at_begin(pointer __new_begin, false_type) {
|
||||
while (__begin_ != __new_begin)
|
||||
__alloc_traits::destroy(__alloc(), std::__to_address(__begin_++));
|
||||
}
|
||||
|
||||
template <class _Tp, class _Allocator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
inline
|
||||
void
|
||||
__split_buffer<_Tp, _Allocator>::__destruct_at_begin(pointer __new_begin, true_type)
|
||||
{
|
||||
__begin_ = __new_begin;
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 inline void
|
||||
__split_buffer<_Tp, _Allocator>::__destruct_at_begin(pointer __new_begin, true_type) {
|
||||
__begin_ = __new_begin;
|
||||
}
|
||||
|
||||
template <class _Tp, class _Allocator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
inline _LIBCPP_HIDE_FROM_ABI
|
||||
void
|
||||
__split_buffer<_Tp, _Allocator>::__destruct_at_end(pointer __new_last, false_type) _NOEXCEPT
|
||||
{
|
||||
while (__new_last != __end_)
|
||||
__alloc_traits::destroy(__alloc(), _VSTD::__to_address(--__end_));
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI void
|
||||
__split_buffer<_Tp, _Allocator>::__destruct_at_end(pointer __new_last, false_type) _NOEXCEPT {
|
||||
while (__new_last != __end_)
|
||||
__alloc_traits::destroy(__alloc(), std::__to_address(--__end_));
|
||||
}
|
||||
|
||||
template <class _Tp, class _Allocator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
inline _LIBCPP_HIDE_FROM_ABI
|
||||
void
|
||||
__split_buffer<_Tp, _Allocator>::__destruct_at_end(pointer __new_last, true_type) _NOEXCEPT
|
||||
{
|
||||
__end_ = __new_last;
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI void
|
||||
__split_buffer<_Tp, _Allocator>::__destruct_at_end(pointer __new_last, true_type) _NOEXCEPT {
|
||||
__end_ = __new_last;
|
||||
}
|
||||
|
||||
template <class _Tp, class _Allocator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
__split_buffer<_Tp, _Allocator>::__split_buffer(size_type __cap, size_type __start, __alloc_rr& __a)
|
||||
: __end_cap_(nullptr, __a)
|
||||
{
|
||||
if (__cap == 0) {
|
||||
__first_ = nullptr;
|
||||
} else {
|
||||
auto __allocation = std::__allocate_at_least(__alloc(), __cap);
|
||||
__first_ = __allocation.ptr;
|
||||
__cap = __allocation.count;
|
||||
}
|
||||
__begin_ = __end_ = __first_ + __start;
|
||||
__end_cap() = __first_ + __cap;
|
||||
: __end_cap_(nullptr, __a) {
|
||||
if (__cap == 0) {
|
||||
__first_ = nullptr;
|
||||
} else {
|
||||
auto __allocation = std::__allocate_at_least(__alloc(), __cap);
|
||||
__first_ = __allocation.ptr;
|
||||
__cap = __allocation.count;
|
||||
}
|
||||
__begin_ = __end_ = __first_ + __start;
|
||||
__end_cap() = __first_ + __cap;
|
||||
}
|
||||
|
||||
template <class _Tp, class _Allocator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
__split_buffer<_Tp, _Allocator>::~__split_buffer()
|
||||
{
|
||||
clear();
|
||||
if (__first_)
|
||||
__alloc_traits::deallocate(__alloc(), __first_, capacity());
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 __split_buffer<_Tp, _Allocator>::~__split_buffer() {
|
||||
clear();
|
||||
if (__first_)
|
||||
__alloc_traits::deallocate(__alloc(), __first_, capacity());
|
||||
}
|
||||
|
||||
template <class _Tp, class _Allocator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
__split_buffer<_Tp, _Allocator>::__split_buffer(__split_buffer&& __c)
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 __split_buffer<_Tp, _Allocator>::__split_buffer(__split_buffer&& __c)
|
||||
_NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value)
|
||||
: __first_(_VSTD::move(__c.__first_)),
|
||||
__begin_(_VSTD::move(__c.__begin_)),
|
||||
__end_(_VSTD::move(__c.__end_)),
|
||||
__end_cap_(_VSTD::move(__c.__end_cap_))
|
||||
{
|
||||
__c.__first_ = nullptr;
|
||||
__c.__begin_ = nullptr;
|
||||
__c.__end_ = nullptr;
|
||||
__c.__end_cap() = nullptr;
|
||||
: __first_(std::move(__c.__first_)),
|
||||
__begin_(std::move(__c.__begin_)),
|
||||
__end_(std::move(__c.__end_)),
|
||||
__end_cap_(std::move(__c.__end_cap_)) {
|
||||
__c.__first_ = nullptr;
|
||||
__c.__begin_ = nullptr;
|
||||
__c.__end_ = nullptr;
|
||||
__c.__end_cap() = nullptr;
|
||||
}
|
||||
|
||||
template <class _Tp, class _Allocator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
__split_buffer<_Tp, _Allocator>::__split_buffer(__split_buffer&& __c, const __alloc_rr& __a)
|
||||
: __end_cap_(nullptr, __a)
|
||||
{
|
||||
if (__a == __c.__alloc())
|
||||
{
|
||||
__first_ = __c.__first_;
|
||||
__begin_ = __c.__begin_;
|
||||
__end_ = __c.__end_;
|
||||
__end_cap() = __c.__end_cap();
|
||||
__c.__first_ = nullptr;
|
||||
__c.__begin_ = nullptr;
|
||||
__c.__end_ = nullptr;
|
||||
__c.__end_cap() = nullptr;
|
||||
}
|
||||
else
|
||||
{
|
||||
auto __allocation = std::__allocate_at_least(__alloc(), __c.size());
|
||||
__first_ = __allocation.ptr;
|
||||
__begin_ = __end_ = __first_;
|
||||
__end_cap() = __first_ + __allocation.count;
|
||||
typedef move_iterator<iterator> _Ip;
|
||||
__construct_at_end(_Ip(__c.begin()), _Ip(__c.end()));
|
||||
}
|
||||
: __end_cap_(nullptr, __a) {
|
||||
if (__a == __c.__alloc()) {
|
||||
__first_ = __c.__first_;
|
||||
__begin_ = __c.__begin_;
|
||||
__end_ = __c.__end_;
|
||||
__end_cap() = __c.__end_cap();
|
||||
__c.__first_ = nullptr;
|
||||
__c.__begin_ = nullptr;
|
||||
__c.__end_ = nullptr;
|
||||
__c.__end_cap() = nullptr;
|
||||
} else {
|
||||
auto __allocation = std::__allocate_at_least(__alloc(), __c.size());
|
||||
__first_ = __allocation.ptr;
|
||||
__begin_ = __end_ = __first_;
|
||||
__end_cap() = __first_ + __allocation.count;
|
||||
typedef move_iterator<iterator> _Ip;
|
||||
__construct_at_end(_Ip(__c.begin()), _Ip(__c.end()));
|
||||
}
|
||||
}
|
||||
|
||||
template <class _Tp, class _Allocator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
__split_buffer<_Tp, _Allocator>&
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 __split_buffer<_Tp, _Allocator>&
|
||||
__split_buffer<_Tp, _Allocator>::operator=(__split_buffer&& __c)
|
||||
_NOEXCEPT_((__alloc_traits::propagate_on_container_move_assignment::value &&
|
||||
is_nothrow_move_assignable<allocator_type>::value) ||
|
||||
!__alloc_traits::propagate_on_container_move_assignment::value)
|
||||
{
|
||||
clear();
|
||||
shrink_to_fit();
|
||||
__first_ = __c.__first_;
|
||||
__begin_ = __c.__begin_;
|
||||
__end_ = __c.__end_;
|
||||
__end_cap() = __c.__end_cap();
|
||||
__move_assign_alloc(__c,
|
||||
integral_constant<bool,
|
||||
__alloc_traits::propagate_on_container_move_assignment::value>());
|
||||
__c.__first_ = __c.__begin_ = __c.__end_ = __c.__end_cap() = nullptr;
|
||||
return *this;
|
||||
!__alloc_traits::propagate_on_container_move_assignment::value) {
|
||||
clear();
|
||||
shrink_to_fit();
|
||||
__first_ = __c.__first_;
|
||||
__begin_ = __c.__begin_;
|
||||
__end_ = __c.__end_;
|
||||
__end_cap() = __c.__end_cap();
|
||||
__move_assign_alloc(__c, integral_constant<bool, __alloc_traits::propagate_on_container_move_assignment::value>());
|
||||
__c.__first_ = __c.__begin_ = __c.__end_ = __c.__end_cap() = nullptr;
|
||||
return *this;
|
||||
}
|
||||
|
||||
template <class _Tp, class _Allocator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
void
|
||||
__split_buffer<_Tp, _Allocator>::swap(__split_buffer& __x)
|
||||
_NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value||
|
||||
__is_nothrow_swappable<__alloc_rr>::value)
|
||||
{
|
||||
_VSTD::swap(__first_, __x.__first_);
|
||||
_VSTD::swap(__begin_, __x.__begin_);
|
||||
_VSTD::swap(__end_, __x.__end_);
|
||||
_VSTD::swap(__end_cap(), __x.__end_cap());
|
||||
_VSTD::__swap_allocator(__alloc(), __x.__alloc());
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 void __split_buffer<_Tp, _Allocator>::swap(__split_buffer& __x)
|
||||
_NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || __is_nothrow_swappable_v<__alloc_rr>) {
|
||||
std::swap(__first_, __x.__first_);
|
||||
std::swap(__begin_, __x.__begin_);
|
||||
std::swap(__end_, __x.__end_);
|
||||
std::swap(__end_cap(), __x.__end_cap());
|
||||
std::__swap_allocator(__alloc(), __x.__alloc());
|
||||
}
|
||||
|
||||
template <class _Tp, class _Allocator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
void
|
||||
__split_buffer<_Tp, _Allocator>::reserve(size_type __n)
|
||||
{
|
||||
if (__n < capacity())
|
||||
{
|
||||
__split_buffer<value_type, __alloc_rr&> __t(__n, 0, __alloc());
|
||||
__t.__construct_at_end(move_iterator<pointer>(__begin_),
|
||||
move_iterator<pointer>(__end_));
|
||||
_VSTD::swap(__first_, __t.__first_);
|
||||
_VSTD::swap(__begin_, __t.__begin_);
|
||||
_VSTD::swap(__end_, __t.__end_);
|
||||
_VSTD::swap(__end_cap(), __t.__end_cap());
|
||||
}
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 void __split_buffer<_Tp, _Allocator>::reserve(size_type __n) {
|
||||
if (__n < capacity()) {
|
||||
__split_buffer<value_type, __alloc_rr&> __t(__n, 0, __alloc());
|
||||
__t.__construct_at_end(move_iterator<pointer>(__begin_), move_iterator<pointer>(__end_));
|
||||
std::swap(__first_, __t.__first_);
|
||||
std::swap(__begin_, __t.__begin_);
|
||||
std::swap(__end_, __t.__end_);
|
||||
std::swap(__end_cap(), __t.__end_cap());
|
||||
}
|
||||
}
|
||||
|
||||
template <class _Tp, class _Allocator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
void
|
||||
__split_buffer<_Tp, _Allocator>::shrink_to_fit() _NOEXCEPT
|
||||
{
|
||||
if (capacity() > size())
|
||||
{
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 void __split_buffer<_Tp, _Allocator>::shrink_to_fit() _NOEXCEPT {
|
||||
if (capacity() > size()) {
|
||||
#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
|
||||
try
|
||||
{
|
||||
try {
|
||||
#endif // _LIBCPP_HAS_NO_EXCEPTIONS
|
||||
__split_buffer<value_type, __alloc_rr&> __t(size(), 0, __alloc());
|
||||
__t.__construct_at_end(move_iterator<pointer>(__begin_),
|
||||
move_iterator<pointer>(__end_));
|
||||
__t.__end_ = __t.__begin_ + (__end_ - __begin_);
|
||||
_VSTD::swap(__first_, __t.__first_);
|
||||
_VSTD::swap(__begin_, __t.__begin_);
|
||||
_VSTD::swap(__end_, __t.__end_);
|
||||
_VSTD::swap(__end_cap(), __t.__end_cap());
|
||||
__split_buffer<value_type, __alloc_rr&> __t(size(), 0, __alloc());
|
||||
__t.__construct_at_end(move_iterator<pointer>(__begin_), move_iterator<pointer>(__end_));
|
||||
__t.__end_ = __t.__begin_ + (__end_ - __begin_);
|
||||
std::swap(__first_, __t.__first_);
|
||||
std::swap(__begin_, __t.__begin_);
|
||||
std::swap(__end_, __t.__end_);
|
||||
std::swap(__end_cap(), __t.__end_cap());
|
||||
#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
}
|
||||
} catch (...) {
|
||||
}
|
||||
#endif // _LIBCPP_HAS_NO_EXCEPTIONS
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
template <class _Tp, class _Allocator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
void
|
||||
__split_buffer<_Tp, _Allocator>::push_front(const_reference __x)
|
||||
{
|
||||
if (__begin_ == __first_)
|
||||
{
|
||||
if (__end_ < __end_cap())
|
||||
{
|
||||
difference_type __d = __end_cap() - __end_;
|
||||
__d = (__d + 1) / 2;
|
||||
__begin_ = _VSTD::move_backward(__begin_, __end_, __end_ + __d);
|
||||
__end_ += __d;
|
||||
}
|
||||
else
|
||||
{
|
||||
size_type __c = std::max<size_type>(2 * static_cast<size_t>(__end_cap() - __first_), 1);
|
||||
__split_buffer<value_type, __alloc_rr&> __t(__c, (__c + 3) / 4, __alloc());
|
||||
__t.__construct_at_end(move_iterator<pointer>(__begin_),
|
||||
move_iterator<pointer>(__end_));
|
||||
_VSTD::swap(__first_, __t.__first_);
|
||||
_VSTD::swap(__begin_, __t.__begin_);
|
||||
_VSTD::swap(__end_, __t.__end_);
|
||||
_VSTD::swap(__end_cap(), __t.__end_cap());
|
||||
}
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 void __split_buffer<_Tp, _Allocator>::push_front(const_reference __x) {
|
||||
if (__begin_ == __first_) {
|
||||
if (__end_ < __end_cap()) {
|
||||
difference_type __d = __end_cap() - __end_;
|
||||
__d = (__d + 1) / 2;
|
||||
__begin_ = std::move_backward(__begin_, __end_, __end_ + __d);
|
||||
__end_ += __d;
|
||||
} else {
|
||||
size_type __c = std::max<size_type>(2 * static_cast<size_t>(__end_cap() - __first_), 1);
|
||||
__split_buffer<value_type, __alloc_rr&> __t(__c, (__c + 3) / 4, __alloc());
|
||||
__t.__construct_at_end(move_iterator<pointer>(__begin_), move_iterator<pointer>(__end_));
|
||||
std::swap(__first_, __t.__first_);
|
||||
std::swap(__begin_, __t.__begin_);
|
||||
std::swap(__end_, __t.__end_);
|
||||
std::swap(__end_cap(), __t.__end_cap());
|
||||
}
|
||||
__alloc_traits::construct(__alloc(), _VSTD::__to_address(__begin_-1), __x);
|
||||
--__begin_;
|
||||
}
|
||||
__alloc_traits::construct(__alloc(), std::__to_address(__begin_ - 1), __x);
|
||||
--__begin_;
|
||||
}
|
||||
|
||||
template <class _Tp, class _Allocator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
void
|
||||
__split_buffer<_Tp, _Allocator>::push_front(value_type&& __x)
|
||||
{
|
||||
if (__begin_ == __first_)
|
||||
{
|
||||
if (__end_ < __end_cap())
|
||||
{
|
||||
difference_type __d = __end_cap() - __end_;
|
||||
__d = (__d + 1) / 2;
|
||||
__begin_ = _VSTD::move_backward(__begin_, __end_, __end_ + __d);
|
||||
__end_ += __d;
|
||||
}
|
||||
else
|
||||
{
|
||||
size_type __c = std::max<size_type>(2 * static_cast<size_t>(__end_cap() - __first_), 1);
|
||||
__split_buffer<value_type, __alloc_rr&> __t(__c, (__c + 3) / 4, __alloc());
|
||||
__t.__construct_at_end(move_iterator<pointer>(__begin_),
|
||||
move_iterator<pointer>(__end_));
|
||||
_VSTD::swap(__first_, __t.__first_);
|
||||
_VSTD::swap(__begin_, __t.__begin_);
|
||||
_VSTD::swap(__end_, __t.__end_);
|
||||
_VSTD::swap(__end_cap(), __t.__end_cap());
|
||||
}
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 void __split_buffer<_Tp, _Allocator>::push_front(value_type&& __x) {
|
||||
if (__begin_ == __first_) {
|
||||
if (__end_ < __end_cap()) {
|
||||
difference_type __d = __end_cap() - __end_;
|
||||
__d = (__d + 1) / 2;
|
||||
__begin_ = std::move_backward(__begin_, __end_, __end_ + __d);
|
||||
__end_ += __d;
|
||||
} else {
|
||||
size_type __c = std::max<size_type>(2 * static_cast<size_t>(__end_cap() - __first_), 1);
|
||||
__split_buffer<value_type, __alloc_rr&> __t(__c, (__c + 3) / 4, __alloc());
|
||||
__t.__construct_at_end(move_iterator<pointer>(__begin_), move_iterator<pointer>(__end_));
|
||||
std::swap(__first_, __t.__first_);
|
||||
std::swap(__begin_, __t.__begin_);
|
||||
std::swap(__end_, __t.__end_);
|
||||
std::swap(__end_cap(), __t.__end_cap());
|
||||
}
|
||||
__alloc_traits::construct(__alloc(), _VSTD::__to_address(__begin_-1),
|
||||
_VSTD::move(__x));
|
||||
--__begin_;
|
||||
}
|
||||
__alloc_traits::construct(__alloc(), std::__to_address(__begin_ - 1), std::move(__x));
|
||||
--__begin_;
|
||||
}
|
||||
|
||||
template <class _Tp, class _Allocator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
inline _LIBCPP_HIDE_FROM_ABI
|
||||
void
|
||||
__split_buffer<_Tp, _Allocator>::push_back(const_reference __x)
|
||||
{
|
||||
if (__end_ == __end_cap())
|
||||
{
|
||||
if (__begin_ > __first_)
|
||||
{
|
||||
difference_type __d = __begin_ - __first_;
|
||||
__d = (__d + 1) / 2;
|
||||
__end_ = _VSTD::move(__begin_, __end_, __begin_ - __d);
|
||||
__begin_ -= __d;
|
||||
}
|
||||
else
|
||||
{
|
||||
size_type __c = std::max<size_type>(2 * static_cast<size_t>(__end_cap() - __first_), 1);
|
||||
__split_buffer<value_type, __alloc_rr&> __t(__c, __c / 4, __alloc());
|
||||
__t.__construct_at_end(move_iterator<pointer>(__begin_),
|
||||
move_iterator<pointer>(__end_));
|
||||
_VSTD::swap(__first_, __t.__first_);
|
||||
_VSTD::swap(__begin_, __t.__begin_);
|
||||
_VSTD::swap(__end_, __t.__end_);
|
||||
_VSTD::swap(__end_cap(), __t.__end_cap());
|
||||
}
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI void
|
||||
__split_buffer<_Tp, _Allocator>::push_back(const_reference __x) {
|
||||
if (__end_ == __end_cap()) {
|
||||
if (__begin_ > __first_) {
|
||||
difference_type __d = __begin_ - __first_;
|
||||
__d = (__d + 1) / 2;
|
||||
__end_ = std::move(__begin_, __end_, __begin_ - __d);
|
||||
__begin_ -= __d;
|
||||
} else {
|
||||
size_type __c = std::max<size_type>(2 * static_cast<size_t>(__end_cap() - __first_), 1);
|
||||
__split_buffer<value_type, __alloc_rr&> __t(__c, __c / 4, __alloc());
|
||||
__t.__construct_at_end(move_iterator<pointer>(__begin_), move_iterator<pointer>(__end_));
|
||||
std::swap(__first_, __t.__first_);
|
||||
std::swap(__begin_, __t.__begin_);
|
||||
std::swap(__end_, __t.__end_);
|
||||
std::swap(__end_cap(), __t.__end_cap());
|
||||
}
|
||||
__alloc_traits::construct(__alloc(), _VSTD::__to_address(__end_), __x);
|
||||
++__end_;
|
||||
}
|
||||
__alloc_traits::construct(__alloc(), std::__to_address(__end_), __x);
|
||||
++__end_;
|
||||
}
|
||||
|
||||
template <class _Tp, class _Allocator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
void
|
||||
__split_buffer<_Tp, _Allocator>::push_back(value_type&& __x)
|
||||
{
|
||||
if (__end_ == __end_cap())
|
||||
{
|
||||
if (__begin_ > __first_)
|
||||
{
|
||||
difference_type __d = __begin_ - __first_;
|
||||
__d = (__d + 1) / 2;
|
||||
__end_ = _VSTD::move(__begin_, __end_, __begin_ - __d);
|
||||
__begin_ -= __d;
|
||||
}
|
||||
else
|
||||
{
|
||||
size_type __c = std::max<size_type>(2 * static_cast<size_t>(__end_cap() - __first_), 1);
|
||||
__split_buffer<value_type, __alloc_rr&> __t(__c, __c / 4, __alloc());
|
||||
__t.__construct_at_end(move_iterator<pointer>(__begin_),
|
||||
move_iterator<pointer>(__end_));
|
||||
_VSTD::swap(__first_, __t.__first_);
|
||||
_VSTD::swap(__begin_, __t.__begin_);
|
||||
_VSTD::swap(__end_, __t.__end_);
|
||||
_VSTD::swap(__end_cap(), __t.__end_cap());
|
||||
}
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 void __split_buffer<_Tp, _Allocator>::push_back(value_type&& __x) {
|
||||
if (__end_ == __end_cap()) {
|
||||
if (__begin_ > __first_) {
|
||||
difference_type __d = __begin_ - __first_;
|
||||
__d = (__d + 1) / 2;
|
||||
__end_ = std::move(__begin_, __end_, __begin_ - __d);
|
||||
__begin_ -= __d;
|
||||
} else {
|
||||
size_type __c = std::max<size_type>(2 * static_cast<size_t>(__end_cap() - __first_), 1);
|
||||
__split_buffer<value_type, __alloc_rr&> __t(__c, __c / 4, __alloc());
|
||||
__t.__construct_at_end(move_iterator<pointer>(__begin_), move_iterator<pointer>(__end_));
|
||||
std::swap(__first_, __t.__first_);
|
||||
std::swap(__begin_, __t.__begin_);
|
||||
std::swap(__end_, __t.__end_);
|
||||
std::swap(__end_cap(), __t.__end_cap());
|
||||
}
|
||||
__alloc_traits::construct(__alloc(), _VSTD::__to_address(__end_),
|
||||
_VSTD::move(__x));
|
||||
++__end_;
|
||||
}
|
||||
__alloc_traits::construct(__alloc(), std::__to_address(__end_), std::move(__x));
|
||||
++__end_;
|
||||
}
|
||||
|
||||
template <class _Tp, class _Allocator>
|
||||
template <class... _Args>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
void
|
||||
__split_buffer<_Tp, _Allocator>::emplace_back(_Args&&... __args)
|
||||
{
|
||||
if (__end_ == __end_cap())
|
||||
{
|
||||
if (__begin_ > __first_)
|
||||
{
|
||||
difference_type __d = __begin_ - __first_;
|
||||
__d = (__d + 1) / 2;
|
||||
__end_ = _VSTD::move(__begin_, __end_, __begin_ - __d);
|
||||
__begin_ -= __d;
|
||||
}
|
||||
else
|
||||
{
|
||||
size_type __c = std::max<size_type>(2 * static_cast<size_t>(__end_cap() - __first_), 1);
|
||||
__split_buffer<value_type, __alloc_rr&> __t(__c, __c / 4, __alloc());
|
||||
__t.__construct_at_end(move_iterator<pointer>(__begin_),
|
||||
move_iterator<pointer>(__end_));
|
||||
_VSTD::swap(__first_, __t.__first_);
|
||||
_VSTD::swap(__begin_, __t.__begin_);
|
||||
_VSTD::swap(__end_, __t.__end_);
|
||||
_VSTD::swap(__end_cap(), __t.__end_cap());
|
||||
}
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 void __split_buffer<_Tp, _Allocator>::emplace_back(_Args&&... __args) {
|
||||
if (__end_ == __end_cap()) {
|
||||
if (__begin_ > __first_) {
|
||||
difference_type __d = __begin_ - __first_;
|
||||
__d = (__d + 1) / 2;
|
||||
__end_ = std::move(__begin_, __end_, __begin_ - __d);
|
||||
__begin_ -= __d;
|
||||
} else {
|
||||
size_type __c = std::max<size_type>(2 * static_cast<size_t>(__end_cap() - __first_), 1);
|
||||
__split_buffer<value_type, __alloc_rr&> __t(__c, __c / 4, __alloc());
|
||||
__t.__construct_at_end(move_iterator<pointer>(__begin_), move_iterator<pointer>(__end_));
|
||||
std::swap(__first_, __t.__first_);
|
||||
std::swap(__begin_, __t.__begin_);
|
||||
std::swap(__end_, __t.__end_);
|
||||
std::swap(__end_cap(), __t.__end_cap());
|
||||
}
|
||||
__alloc_traits::construct(__alloc(), _VSTD::__to_address(__end_),
|
||||
_VSTD::forward<_Args>(__args)...);
|
||||
++__end_;
|
||||
}
|
||||
__alloc_traits::construct(__alloc(), std::__to_address(__end_), std::forward<_Args>(__args)...);
|
||||
++__end_;
|
||||
}
|
||||
|
||||
template <class _Tp, class _Allocator>
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20
|
||||
inline _LIBCPP_HIDE_FROM_ABI
|
||||
void
|
||||
swap(__split_buffer<_Tp, _Allocator>& __x, __split_buffer<_Tp, _Allocator>& __y)
|
||||
_NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
|
||||
{
|
||||
__x.swap(__y);
|
||||
_LIBCPP_CONSTEXPR_SINCE_CXX20 inline _LIBCPP_HIDE_FROM_ABI void
|
||||
swap(__split_buffer<_Tp, _Allocator>& __x, __split_buffer<_Tp, _Allocator>& __y) _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y))) {
|
||||
__x.swap(__y);
|
||||
}
|
||||
|
||||
_LIBCPP_END_NAMESPACE_STD
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue