зеркало из https://github.com/microsoft/STL.git
2891 строка
105 KiB
C++
2891 строка
105 KiB
C++
// vector standard header
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// Copyright (c) Microsoft Corporation.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#pragma once
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#ifndef _VECTOR_
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#define _VECTOR_
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#include <yvals_core.h>
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#if _STL_COMPILER_PREPROCESSOR
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#include <xmemory>
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#if _HAS_CXX17
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#include <xpolymorphic_allocator.h>
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#endif // _HAS_CXX17
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#pragma pack(push, _CRT_PACKING)
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#pragma warning(push, _STL_WARNING_LEVEL)
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#pragma warning(disable : _STL_DISABLED_WARNINGS)
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_STL_DISABLE_CLANG_WARNINGS
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#pragma push_macro("new")
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#undef new
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_STD_BEGIN
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// CLASS TEMPLATE _Vector_const_iterator
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template <class _Myvec>
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class _Vector_const_iterator : public _Iterator_base {
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public:
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#ifdef __cpp_lib_concepts
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using iterator_concept = contiguous_iterator_tag;
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#endif // __cpp_lib_concepts
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using iterator_category = random_access_iterator_tag;
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using value_type = typename _Myvec::value_type;
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using difference_type = typename _Myvec::difference_type;
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using pointer = typename _Myvec::const_pointer;
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using reference = const value_type&;
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using _Tptr = typename _Myvec::pointer;
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_Vector_const_iterator() noexcept : _Ptr() {}
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_Vector_const_iterator(_Tptr _Parg, const _Container_base* _Pvector) noexcept : _Ptr(_Parg) {
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this->_Adopt(_Pvector);
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}
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_NODISCARD reference operator*() const {
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#if _ITERATOR_DEBUG_LEVEL != 0
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const auto _Mycont = static_cast<const _Myvec*>(this->_Getcont());
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_STL_VERIFY(_Ptr, "can't dereference value-initialized vector iterator");
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_STL_VERIFY(
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_Mycont->_Myfirst <= _Ptr && _Ptr < _Mycont->_Mylast, "can't dereference out of range vector iterator");
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#endif // _ITERATOR_DEBUG_LEVEL != 0
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return *_Ptr;
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}
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_NODISCARD pointer operator->() const {
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#if _ITERATOR_DEBUG_LEVEL != 0
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const auto _Mycont = static_cast<const _Myvec*>(this->_Getcont());
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_STL_VERIFY(_Ptr, "can't dereference value-initialized vector iterator");
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_STL_VERIFY(
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_Mycont->_Myfirst <= _Ptr && _Ptr < _Mycont->_Mylast, "can't dereference out of range vector iterator");
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#endif // _ITERATOR_DEBUG_LEVEL != 0
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return _Ptr;
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}
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_Vector_const_iterator& operator++() {
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#if _ITERATOR_DEBUG_LEVEL != 0
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const auto _Mycont = static_cast<const _Myvec*>(this->_Getcont());
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_STL_VERIFY(_Ptr, "can't increment value-initialized vector iterator");
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_STL_VERIFY(_Ptr < _Mycont->_Mylast, "can't increment vector iterator past end");
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#endif // _ITERATOR_DEBUG_LEVEL != 0
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++_Ptr;
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return *this;
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}
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_Vector_const_iterator operator++(int) {
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_Vector_const_iterator _Tmp = *this;
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++*this;
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return _Tmp;
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}
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_Vector_const_iterator& operator--() {
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#if _ITERATOR_DEBUG_LEVEL != 0
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const auto _Mycont = static_cast<const _Myvec*>(this->_Getcont());
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_STL_VERIFY(_Ptr, "can't decrement value-initialized vector iterator");
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_STL_VERIFY(_Mycont->_Myfirst < _Ptr, "can't decrement vector iterator before begin");
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#endif // _ITERATOR_DEBUG_LEVEL != 0
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--_Ptr;
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return *this;
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}
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_Vector_const_iterator operator--(int) {
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_Vector_const_iterator _Tmp = *this;
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--*this;
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return _Tmp;
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}
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void _Verify_offset(const difference_type _Off) const {
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#if _ITERATOR_DEBUG_LEVEL == 0
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(void) _Off;
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#else // ^^^ _ITERATOR_DEBUG_LEVEL == 0 ^^^ // vvv _ITERATOR_DEBUG_LEVEL != 0 vvv
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const auto _Mycont = static_cast<const _Myvec*>(this->_Getcont());
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_STL_VERIFY(_Off == 0 || _Ptr, "cannot seek value-initialized vector iterator");
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if (_Off < 0) {
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_STL_VERIFY(_Off >= _Mycont->_Myfirst - _Ptr, "cannot seek vector iterator before begin");
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}
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if (_Off > 0) {
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_STL_VERIFY(_Off <= _Mycont->_Mylast - _Ptr, "cannot seek vector iterator after end");
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}
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#endif // _ITERATOR_DEBUG_LEVEL == 0
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}
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_Vector_const_iterator& operator+=(const difference_type _Off) {
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_Verify_offset(_Off);
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_Ptr += _Off;
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return *this;
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}
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_NODISCARD _Vector_const_iterator operator+(const difference_type _Off) const {
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_Vector_const_iterator _Tmp = *this;
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return _Tmp += _Off;
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}
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_Vector_const_iterator& operator-=(const difference_type _Off) {
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return *this += -_Off;
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}
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_NODISCARD _Vector_const_iterator operator-(const difference_type _Off) const {
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_Vector_const_iterator _Tmp = *this;
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return _Tmp -= _Off;
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}
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_NODISCARD difference_type operator-(const _Vector_const_iterator& _Right) const {
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_Compat(_Right);
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return _Ptr - _Right._Ptr;
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}
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_NODISCARD reference operator[](const difference_type _Off) const {
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return *(*this + _Off);
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}
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_NODISCARD bool operator==(const _Vector_const_iterator& _Right) const {
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_Compat(_Right);
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return _Ptr == _Right._Ptr;
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}
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_NODISCARD bool operator!=(const _Vector_const_iterator& _Right) const {
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return !(*this == _Right);
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}
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_NODISCARD bool operator<(const _Vector_const_iterator& _Right) const {
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_Compat(_Right);
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return _Ptr < _Right._Ptr;
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}
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_NODISCARD bool operator>(const _Vector_const_iterator& _Right) const {
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return _Right < *this;
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}
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_NODISCARD bool operator<=(const _Vector_const_iterator& _Right) const {
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return !(_Right < *this);
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}
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_NODISCARD bool operator>=(const _Vector_const_iterator& _Right) const {
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return !(*this < _Right);
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}
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void _Compat(const _Vector_const_iterator& _Right) const { // test for compatible iterator pair
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#if _ITERATOR_DEBUG_LEVEL == 0
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(void) _Right;
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#else // ^^^ _ITERATOR_DEBUG_LEVEL == 0 ^^^ // vvv _ITERATOR_DEBUG_LEVEL != 0 vvv
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_STL_VERIFY(this->_Getcont() == _Right._Getcont(), "vector iterators incompatible");
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#endif // _ITERATOR_DEBUG_LEVEL == 0
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}
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#if _ITERATOR_DEBUG_LEVEL != 0
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friend void _Verify_range(const _Vector_const_iterator& _First, const _Vector_const_iterator& _Last) {
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_STL_VERIFY(_First._Getcont() == _Last._Getcont(), "vector iterators in range are from different containers");
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_STL_VERIFY(_First._Ptr <= _Last._Ptr, "vector iterator range transposed");
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}
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#endif // _ITERATOR_DEBUG_LEVEL != 0
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using _Prevent_inheriting_unwrap = _Vector_const_iterator;
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_NODISCARD const value_type* _Unwrapped() const {
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return _Unfancy(_Ptr);
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}
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void _Seek_to(const value_type* _It) {
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_Ptr = _Refancy<_Tptr>(const_cast<value_type*>(_It));
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}
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_Tptr _Ptr; // pointer to element in vector
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};
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template <class _Myvec>
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_NODISCARD _Vector_const_iterator<_Myvec> operator+(
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typename _Vector_const_iterator<_Myvec>::difference_type _Off, _Vector_const_iterator<_Myvec> _Next) {
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return _Next += _Off;
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}
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#if _HAS_CXX20
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template <class _Myvec>
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struct pointer_traits<_Vector_const_iterator<_Myvec>> {
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using pointer = _Vector_const_iterator<_Myvec>;
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using element_type = const typename pointer::value_type;
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using difference_type = typename pointer::difference_type;
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_NODISCARD static constexpr element_type* to_address(const pointer _Iter) noexcept {
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#if _ITERATOR_DEBUG_LEVEL != 0
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// A value-initialized iterator is in the domain of to_address. An invalidated end iterator for a vector with
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// capacity() of 0 is not. This function cannot distinguish those two cases, so it incorrectly does not diagnose
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// the latter. In practice, this isn't a significant problem since to_address returns nullptr for such an
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// iterator.
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const auto _Mycont = static_cast<const _Myvec*>(_Iter._Getcont());
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if (_Mycont) {
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_STL_VERIFY(_Mycont->_Myfirst <= _Iter._Ptr && _Iter._Ptr <= _Mycont->_Mylast,
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"can't convert out-of-range vector iterator to pointer");
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} else {
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_STL_VERIFY(!_Iter._Ptr, "can't convert invalid vector iterator to pointer");
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}
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#endif // _ITERATOR_DEBUG_LEVEL != 0
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return _STD to_address(_Iter._Ptr);
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}
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};
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#endif // _HAS_CXX20
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// CLASS TEMPLATE _Vector_iterator
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template <class _Myvec>
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class _Vector_iterator : public _Vector_const_iterator<_Myvec> {
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public:
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using _Mybase = _Vector_const_iterator<_Myvec>;
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#ifdef __cpp_lib_concepts
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using iterator_concept = contiguous_iterator_tag;
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#endif // __cpp_lib_concepts
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using iterator_category = random_access_iterator_tag;
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using value_type = typename _Myvec::value_type;
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using difference_type = typename _Myvec::difference_type;
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using pointer = typename _Myvec::pointer;
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using reference = value_type&;
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using _Mybase::_Mybase;
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_NODISCARD reference operator*() const {
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return const_cast<reference>(_Mybase::operator*());
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}
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_NODISCARD pointer operator->() const {
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return _Const_cast(_Mybase::operator->());
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}
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_Vector_iterator& operator++() {
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_Mybase::operator++();
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return *this;
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}
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_Vector_iterator operator++(int) {
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_Vector_iterator _Tmp = *this;
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_Mybase::operator++();
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return _Tmp;
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}
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_Vector_iterator& operator--() {
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_Mybase::operator--();
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return *this;
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}
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_Vector_iterator operator--(int) {
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_Vector_iterator _Tmp = *this;
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_Mybase::operator--();
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return _Tmp;
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}
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_Vector_iterator& operator+=(const difference_type _Off) {
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_Mybase::operator+=(_Off);
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return *this;
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}
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_NODISCARD _Vector_iterator operator+(const difference_type _Off) const {
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_Vector_iterator _Tmp = *this;
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return _Tmp += _Off;
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}
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_Vector_iterator& operator-=(const difference_type _Off) {
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_Mybase::operator-=(_Off);
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return *this;
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}
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using _Mybase::operator-;
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_NODISCARD _Vector_iterator operator-(const difference_type _Off) const {
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_Vector_iterator _Tmp = *this;
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return _Tmp -= _Off;
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}
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_NODISCARD reference operator[](const difference_type _Off) const {
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return const_cast<reference>(_Mybase::operator[](_Off));
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}
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using _Prevent_inheriting_unwrap = _Vector_iterator;
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_NODISCARD value_type* _Unwrapped() const {
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return _Unfancy(this->_Ptr);
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}
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};
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template <class _Myvec>
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_NODISCARD _Vector_iterator<_Myvec> operator+(
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typename _Vector_iterator<_Myvec>::difference_type _Off, _Vector_iterator<_Myvec> _Next) {
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return _Next += _Off;
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}
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#if _HAS_CXX20
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template <class _Myvec>
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struct pointer_traits<_Vector_iterator<_Myvec>> {
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using pointer = _Vector_iterator<_Myvec>;
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using element_type = typename pointer::value_type;
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using difference_type = typename pointer::difference_type;
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_NODISCARD static constexpr element_type* to_address(const pointer _Iter) noexcept {
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#if _ITERATOR_DEBUG_LEVEL != 0
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// A value-initialized iterator is in the domain of to_address. An invalidated end iterator for a vector with
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// capacity() of 0 is not. This function cannot distinguish those two cases, so it incorrectly does not diagnose
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// the latter. In practice, this isn't a significant problem since to_address returns nullptr for such an
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// iterator.
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const auto _Mycont = static_cast<const _Myvec*>(_Iter._Getcont());
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if (_Mycont) {
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_STL_VERIFY(_Mycont->_Myfirst <= _Iter._Ptr && _Iter._Ptr <= _Mycont->_Mylast,
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"can't convert out-of-range vector iterator to pointer");
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} else {
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_STL_VERIFY(!_Iter._Ptr, "can't convert invalid vector iterator to pointer");
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}
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#endif // _ITERATOR_DEBUG_LEVEL != 0
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return _STD to_address(_Iter._Ptr);
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}
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};
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#endif // _HAS_CXX20
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// vector TYPE WRAPPERS
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template <class _Value_type, class _Size_type, class _Difference_type, class _Pointer, class _Const_pointer,
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class _Reference, class _Const_reference>
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struct _Vec_iter_types {
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using value_type = _Value_type;
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using size_type = _Size_type;
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using difference_type = _Difference_type;
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using pointer = _Pointer;
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using const_pointer = _Const_pointer;
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};
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// STRUCT _Value_init_tag
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struct _Value_init_tag { // tag to request value-initialization
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explicit _Value_init_tag() = default;
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};
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// CLASS TEMPLATE _Vector_val
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template <class _Val_types>
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class _Vector_val : public _Container_base {
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public:
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using value_type = typename _Val_types::value_type;
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using size_type = typename _Val_types::size_type;
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using difference_type = typename _Val_types::difference_type;
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using pointer = typename _Val_types::pointer;
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using const_pointer = typename _Val_types::const_pointer;
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using reference = value_type&;
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using const_reference = const value_type&;
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_Vector_val() noexcept : _Myfirst(), _Mylast(), _Myend() {}
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void _Swap_val(_Vector_val& _Right) noexcept {
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this->_Swap_proxy_and_iterators(_Right);
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_Swap_adl(_Myfirst, _Right._Myfirst);
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_Swap_adl(_Mylast, _Right._Mylast);
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_Swap_adl(_Myend, _Right._Myend);
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}
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void _Take_contents(_Vector_val& _Right) noexcept {
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this->_Swap_proxy_and_iterators(_Right);
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_Myfirst = _Right._Myfirst;
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_Mylast = _Right._Mylast;
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_Myend = _Right._Myend;
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_Right._Myfirst = pointer();
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_Right._Mylast = pointer();
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_Right._Myend = pointer();
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}
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pointer _Myfirst; // pointer to beginning of array
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pointer _Mylast; // pointer to current end of sequence
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pointer _Myend; // pointer to end of array
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};
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// FUNCTION TEMPLATE _Unfancy_maybe_null
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template <class _Ptrty>
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auto _Unfancy_maybe_null(_Ptrty _Ptr) { // converts from a (potentially null) fancy pointer to a plain pointer
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return _Ptr ? _STD addressof(*_Ptr) : nullptr;
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}
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template <class _Ty>
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_Ty* _Unfancy_maybe_null(_Ty* _Ptr) { // do nothing for plain pointers
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return _Ptr;
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}
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// CLASS TEMPLATE vector
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template <class _Ty, class _Alloc = allocator<_Ty>>
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class vector { // varying size array of values
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private:
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template <class>
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friend class _Vb_val;
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friend _Tidy_guard<vector>;
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using _Alty = _Rebind_alloc_t<_Alloc, _Ty>;
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using _Alty_traits = allocator_traits<_Alty>;
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public:
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static_assert(!_ENFORCE_MATCHING_ALLOCATORS || is_same_v<_Ty, typename _Alloc::value_type>,
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_MISMATCHED_ALLOCATOR_MESSAGE("vector<T, Allocator>", "T"));
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using value_type = _Ty;
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using allocator_type = _Alloc;
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using pointer = typename _Alty_traits::pointer;
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using const_pointer = typename _Alty_traits::const_pointer;
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using reference = _Ty&;
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using const_reference = const _Ty&;
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using size_type = typename _Alty_traits::size_type;
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using difference_type = typename _Alty_traits::difference_type;
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private:
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using _Scary_val = _Vector_val<conditional_t<_Is_simple_alloc_v<_Alty>, _Simple_types<_Ty>,
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_Vec_iter_types<_Ty, size_type, difference_type, pointer, const_pointer, _Ty&, const _Ty&>>>;
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public:
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using iterator = _Vector_iterator<_Scary_val>;
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using const_iterator = _Vector_const_iterator<_Scary_val>;
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using reverse_iterator = _STD reverse_iterator<iterator>;
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using const_reverse_iterator = _STD reverse_iterator<const_iterator>;
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vector() noexcept(is_nothrow_default_constructible_v<_Alty>) : _Mypair(_Zero_then_variadic_args_t{}) {
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_Mypair._Myval2._Alloc_proxy(_GET_PROXY_ALLOCATOR(_Alty, _Getal()));
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}
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explicit vector(const _Alloc& _Al) noexcept : _Mypair(_One_then_variadic_args_t{}, _Al) {
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_Mypair._Myval2._Alloc_proxy(_GET_PROXY_ALLOCATOR(_Alty, _Getal()));
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}
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private:
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template <class _Ty2>
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void _Construct_n_copies_of_ty(_CRT_GUARDOVERFLOW const size_type _Count, const _Ty2& _Val) {
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auto&& _Alproxy = _GET_PROXY_ALLOCATOR(_Alty, _Getal());
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auto& _My_data = _Mypair._Myval2;
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_Container_proxy_ptr<_Alty> _Proxy(_Alproxy, _My_data);
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if (_Count != 0) {
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_Buy_nonzero(_Count);
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_Tidy_guard<vector> _Guard{this};
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_My_data._Mylast = _Ufill(_My_data._Myfirst, _Count, _Val);
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_Guard._Target = nullptr;
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}
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_Proxy._Release();
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}
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public:
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explicit vector(_CRT_GUARDOVERFLOW const size_type _Count, const _Alloc& _Al = _Alloc())
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: _Mypair(_One_then_variadic_args_t{}, _Al) {
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_Construct_n_copies_of_ty(_Count, _Value_init_tag{});
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}
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vector(_CRT_GUARDOVERFLOW const size_type _Count, const _Ty& _Val, const _Alloc& _Al = _Alloc())
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: _Mypair(_One_then_variadic_args_t{}, _Al) {
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_Construct_n_copies_of_ty(_Count, _Val);
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}
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|
|
|
private:
|
|
template <class _Iter>
|
|
void _Range_construct_or_tidy(_Iter _First, _Iter _Last, input_iterator_tag) {
|
|
_Tidy_guard<vector> _Guard{this};
|
|
for (; _First != _Last; ++_First) {
|
|
emplace_back(*_First); // performance note: emplace_back()'s strong guarantee is unnecessary here
|
|
}
|
|
|
|
_Guard._Target = nullptr;
|
|
}
|
|
|
|
template <class _Iter>
|
|
void _Range_construct_or_tidy(_Iter _First, _Iter _Last, forward_iterator_tag) {
|
|
const auto _Count = _Convert_size<size_type>(static_cast<size_t>(_STD distance(_First, _Last)));
|
|
if (_Count != 0) {
|
|
_Buy_nonzero(_Count);
|
|
_Tidy_guard<vector> _Guard{this};
|
|
auto& _My_data = _Mypair._Myval2;
|
|
_My_data._Mylast = _Ucopy(_First, _Last, _My_data._Myfirst);
|
|
_Guard._Target = nullptr;
|
|
}
|
|
}
|
|
|
|
public:
|
|
template <class _Iter, enable_if_t<_Is_iterator_v<_Iter>, int> = 0>
|
|
vector(_Iter _First, _Iter _Last, const _Alloc& _Al = _Alloc()) : _Mypair(_One_then_variadic_args_t{}, _Al) {
|
|
auto&& _Alproxy = _GET_PROXY_ALLOCATOR(_Alty, _Getal());
|
|
_Container_proxy_ptr<_Alty> _Proxy(_Alproxy, _Mypair._Myval2);
|
|
_Adl_verify_range(_First, _Last);
|
|
_Range_construct_or_tidy(_Get_unwrapped(_First), _Get_unwrapped(_Last), _Iter_cat_t<_Iter>{});
|
|
_Proxy._Release();
|
|
}
|
|
|
|
vector(initializer_list<_Ty> _Ilist, const _Alloc& _Al = _Alloc()) : _Mypair(_One_then_variadic_args_t{}, _Al) {
|
|
auto&& _Alproxy = _GET_PROXY_ALLOCATOR(_Alty, _Getal());
|
|
_Container_proxy_ptr<_Alty> _Proxy(_Alproxy, _Mypair._Myval2);
|
|
_Range_construct_or_tidy(_Ilist.begin(), _Ilist.end(), random_access_iterator_tag{});
|
|
_Proxy._Release();
|
|
}
|
|
|
|
vector(const vector& _Right)
|
|
: _Mypair(_One_then_variadic_args_t{}, _Alty_traits::select_on_container_copy_construction(_Right._Getal())) {
|
|
auto&& _Alproxy = _GET_PROXY_ALLOCATOR(_Alty, _Getal());
|
|
auto& _My_data = _Mypair._Myval2;
|
|
const auto& _Right_data = _Right._Mypair._Myval2;
|
|
const pointer _Rightfirst = _Right_data._Myfirst;
|
|
const pointer _Rightlast = _Right_data._Mylast;
|
|
_Container_proxy_ptr<_Alty> _Proxy(_Alproxy, _My_data);
|
|
if (_Rightfirst != _Rightlast) {
|
|
_Buy_raw(static_cast<size_type>(_Rightlast - _Rightfirst));
|
|
_Tidy_guard<vector> _Guard{this};
|
|
_My_data._Mylast = _Ucopy(_Rightfirst, _Rightlast, _My_data._Myfirst);
|
|
_Guard._Target = nullptr;
|
|
}
|
|
|
|
_Proxy._Release();
|
|
}
|
|
|
|
vector(const vector& _Right, const _Alloc& _Al) : _Mypair(_One_then_variadic_args_t{}, _Al) {
|
|
auto&& _Alproxy = _GET_PROXY_ALLOCATOR(_Alty, _Getal());
|
|
auto& _My_data = _Mypair._Myval2;
|
|
const auto& _Right_data = _Right._Mypair._Myval2;
|
|
const pointer _Rightfirst = _Right_data._Myfirst;
|
|
const pointer _Rightlast = _Right_data._Mylast;
|
|
_Container_proxy_ptr<_Alty> _Proxy(_Alproxy, _My_data);
|
|
if (_Rightfirst != _Rightlast) {
|
|
_Buy_raw(static_cast<size_type>(_Rightlast - _Rightfirst));
|
|
_Tidy_guard<vector> _Guard{this};
|
|
_My_data._Mylast = _Ucopy(_Rightfirst, _Rightlast, _My_data._Myfirst);
|
|
_Guard._Target = nullptr;
|
|
}
|
|
|
|
_Proxy._Release();
|
|
}
|
|
|
|
private:
|
|
void _Move_construct(vector& _Right, true_type) noexcept { // move from _Right, stealing its contents
|
|
_Mypair._Myval2._Take_contents(_Right._Mypair._Myval2);
|
|
}
|
|
|
|
void _Move_construct(vector& _Right, false_type) { // move from _Right, possibly moving its contents
|
|
if _CONSTEXPR_IF (!_Alty_traits::is_always_equal::value) {
|
|
if (_Getal() != _Right._Getal()) {
|
|
const auto& _Right_data = _Right._Mypair._Myval2;
|
|
const pointer _Rightfirst = _Right_data._Myfirst;
|
|
const pointer _Rightlast = _Right_data._Mylast;
|
|
if (_Rightfirst != _Rightlast) {
|
|
_Buy_raw(static_cast<size_type>(_Rightlast - _Rightfirst));
|
|
_Tidy_guard<vector> _Guard{this};
|
|
auto& _My_data = _Mypair._Myval2;
|
|
_My_data._Mylast = _Umove(_Rightfirst, _Rightlast, _My_data._Myfirst);
|
|
_Guard._Target = nullptr;
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
|
|
_Move_construct(_Right, true_type{});
|
|
}
|
|
|
|
public:
|
|
vector(vector&& _Right) noexcept : _Mypair(_One_then_variadic_args_t{}, _STD move(_Right._Getal())) {
|
|
_Mypair._Myval2._Alloc_proxy(_GET_PROXY_ALLOCATOR(_Alty, _Getal()));
|
|
_Move_construct(_Right, true_type{});
|
|
}
|
|
|
|
vector(vector&& _Right, const _Alloc& _Al) noexcept(_Alty_traits::is_always_equal::value) // strengthened
|
|
: _Mypair(_One_then_variadic_args_t{}, _Al) {
|
|
auto&& _Alproxy = _GET_PROXY_ALLOCATOR(_Alty, _Getal());
|
|
_Container_proxy_ptr<_Alty> _Proxy(_Alproxy, _Mypair._Myval2);
|
|
_Move_construct(_Right, typename _Alty_traits::is_always_equal::type{});
|
|
_Proxy._Release();
|
|
}
|
|
|
|
private:
|
|
void _Move_assign(vector& _Right, _Equal_allocators) noexcept {
|
|
_Tidy();
|
|
_Pocma(_Getal(), _Right._Getal());
|
|
_Mypair._Myval2._Take_contents(_Right._Mypair._Myval2);
|
|
}
|
|
|
|
void _Move_assign(vector& _Right, _Propagate_allocators) noexcept /* terminates */ {
|
|
_Tidy();
|
|
#if _ITERATOR_DEBUG_LEVEL != 0
|
|
if (_Getal() != _Right._Getal()) {
|
|
// intentionally slams into noexcept on OOM, TRANSITION, VSO-466800
|
|
_Mypair._Myval2._Reload_proxy(
|
|
_GET_PROXY_ALLOCATOR(_Alty, _Getal()), _GET_PROXY_ALLOCATOR(_Alty, _Right._Getal()));
|
|
}
|
|
#endif
|
|
|
|
_Pocma(_Getal(), _Right._Getal());
|
|
_Mypair._Myval2._Take_contents(_Right._Mypair._Myval2);
|
|
}
|
|
|
|
void _Move_assign(vector& _Right, _No_propagate_allocators) {
|
|
if (_Getal() == _Right._Getal()) {
|
|
_Move_assign(_Right, _Equal_allocators{});
|
|
} else {
|
|
auto& _Right_data = _Right._Mypair._Myval2;
|
|
const pointer _First = _Right_data._Myfirst;
|
|
const pointer _Last = _Right_data._Mylast;
|
|
const auto _Newsize = static_cast<size_type>(_Last - _First);
|
|
|
|
auto& _My_data = _Mypair._Myval2;
|
|
pointer& _Myfirst = _My_data._Myfirst;
|
|
pointer& _Mylast = _My_data._Mylast;
|
|
|
|
_My_data._Orphan_all();
|
|
|
|
const auto _Oldcapacity = static_cast<size_type>(_My_data._Myend - _Myfirst);
|
|
#if _HAS_IF_CONSTEXPR
|
|
if constexpr (conjunction_v<bool_constant<_Ptr_copy_cat<_Ty*, _Ty*>::_Trivially_copyable>,
|
|
_Uses_default_construct<_Alty, _Ty*, _Ty>, _Uses_default_destroy<_Alty, _Ty*>>) {
|
|
if (_Newsize > _Oldcapacity) {
|
|
_Clear_and_reserve_geometric(_Newsize);
|
|
}
|
|
|
|
_Mylast = _Refancy<pointer>(_Copy_memmove(_Unfancy(_First), _Unfancy(_Last), _Unfancy(_Myfirst)));
|
|
} else
|
|
#endif // _HAS_IF_CONSTEXPR
|
|
{
|
|
auto _Oldsize = static_cast<size_type>(_Mylast - _Myfirst);
|
|
|
|
if (_Newsize > _Oldsize) {
|
|
if (_Newsize > _Oldcapacity) { // reallocate
|
|
_Clear_and_reserve_geometric(_Newsize);
|
|
_Oldsize = 0;
|
|
}
|
|
|
|
const pointer _Mid = _First + _Oldsize;
|
|
_Move_unchecked(_First, _Mid, _Myfirst);
|
|
_Mylast = _Umove(_Mid, _Last, _Mylast);
|
|
} else {
|
|
const pointer _Newlast = _Myfirst + _Newsize;
|
|
_Move_unchecked(_First, _Last, _Myfirst);
|
|
_Destroy(_Newlast, _Mylast);
|
|
_Mylast = _Newlast;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public:
|
|
vector& operator=(vector&& _Right) noexcept(noexcept(_Move_assign(_Right, _Choose_pocma<_Alty>{}))) {
|
|
if (this != _STD addressof(_Right)) {
|
|
_Move_assign(_Right, _Choose_pocma<_Alty>{});
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
~vector() noexcept {
|
|
_Tidy();
|
|
#if _ITERATOR_DEBUG_LEVEL != 0
|
|
auto&& _Alproxy = _GET_PROXY_ALLOCATOR(_Alty, _Getal());
|
|
_Delete_plain_internal(_Alproxy, _STD exchange(_Mypair._Myval2._Myproxy, nullptr));
|
|
#endif // _ITERATOR_DEBUG_LEVEL != 0
|
|
}
|
|
|
|
private:
|
|
template <class... _Valty>
|
|
decltype(auto) _Emplace_back_with_unused_capacity(_Valty&&... _Val) {
|
|
// insert by perfectly forwarding into element at end, provide strong guarantee
|
|
auto& _My_data = _Mypair._Myval2;
|
|
pointer& _Mylast = _My_data._Mylast;
|
|
_STL_INTERNAL_CHECK(_Mylast != _My_data._Myend); // check that we have unused capacity
|
|
_Alty_traits::construct(_Getal(), _Unfancy(_Mylast), _STD forward<_Valty>(_Val)...);
|
|
_Orphan_range(_Mylast, _Mylast);
|
|
_Ty& _Result = *_Mylast;
|
|
++_Mylast;
|
|
#if _HAS_CXX17
|
|
return _Result;
|
|
#else // ^^^ _HAS_CXX17 ^^^ // vvv !_HAS_CXX17 vvv
|
|
(void) _Result;
|
|
#endif // _HAS_CXX17
|
|
}
|
|
|
|
public:
|
|
template <class... _Valty>
|
|
decltype(auto) emplace_back(_Valty&&... _Val) {
|
|
// insert by perfectly forwarding into element at end, provide strong guarantee
|
|
auto& _My_data = _Mypair._Myval2;
|
|
pointer& _Mylast = _My_data._Mylast;
|
|
if (_Mylast != _My_data._Myend) {
|
|
return _Emplace_back_with_unused_capacity(_STD forward<_Valty>(_Val)...);
|
|
}
|
|
|
|
_Ty& _Result = *_Emplace_reallocate(_Mylast, _STD forward<_Valty>(_Val)...);
|
|
#if _HAS_CXX17
|
|
return _Result;
|
|
#else // ^^^ _HAS_CXX17 ^^^ // vvv !_HAS_CXX17 vvv
|
|
(void) _Result;
|
|
#endif // _HAS_CXX17
|
|
}
|
|
|
|
void push_back(const _Ty& _Val) { // insert element at end, provide strong guarantee
|
|
emplace_back(_Val);
|
|
}
|
|
|
|
void push_back(_Ty&& _Val) { // insert by moving into element at end, provide strong guarantee
|
|
emplace_back(_STD move(_Val));
|
|
}
|
|
|
|
template <class... _Valty>
|
|
pointer _Emplace_reallocate(const pointer _Whereptr, _Valty&&... _Val) {
|
|
// reallocate and insert by perfectly forwarding _Val at _Whereptr
|
|
_Alty& _Al = _Getal();
|
|
auto& _My_data = _Mypair._Myval2;
|
|
pointer& _Myfirst = _My_data._Myfirst;
|
|
pointer& _Mylast = _My_data._Mylast;
|
|
|
|
_STL_INTERNAL_CHECK(_Mylast == _My_data._Myend); // check that we have no unused capacity
|
|
|
|
const auto _Whereoff = static_cast<size_type>(_Whereptr - _Myfirst);
|
|
const auto _Oldsize = static_cast<size_type>(_Mylast - _Myfirst);
|
|
|
|
if (_Oldsize == max_size()) {
|
|
_Xlength();
|
|
}
|
|
|
|
const size_type _Newsize = _Oldsize + 1;
|
|
const size_type _Newcapacity = _Calculate_growth(_Newsize);
|
|
|
|
const pointer _Newvec = _Al.allocate(_Newcapacity);
|
|
const pointer _Constructed_last = _Newvec + _Whereoff + 1;
|
|
pointer _Constructed_first = _Constructed_last;
|
|
|
|
_TRY_BEGIN
|
|
_Alty_traits::construct(_Al, _Unfancy(_Newvec + _Whereoff), _STD forward<_Valty>(_Val)...);
|
|
_Constructed_first = _Newvec + _Whereoff;
|
|
|
|
if (_Whereptr == _Mylast) { // at back, provide strong guarantee
|
|
_Umove_if_noexcept(_Myfirst, _Mylast, _Newvec);
|
|
} else { // provide basic guarantee
|
|
_Umove(_Myfirst, _Whereptr, _Newvec);
|
|
_Constructed_first = _Newvec;
|
|
_Umove(_Whereptr, _Mylast, _Newvec + _Whereoff + 1);
|
|
}
|
|
_CATCH_ALL
|
|
_Destroy(_Constructed_first, _Constructed_last);
|
|
_Al.deallocate(_Newvec, _Newcapacity);
|
|
_RERAISE;
|
|
_CATCH_END
|
|
|
|
_Change_array(_Newvec, _Newsize, _Newcapacity);
|
|
return _Newvec + _Whereoff;
|
|
}
|
|
|
|
template <class... _Valty>
|
|
iterator emplace(const_iterator _Where, _Valty&&... _Val) { // insert by perfectly forwarding _Val at _Where
|
|
const pointer _Whereptr = _Where._Ptr;
|
|
auto& _My_data = _Mypair._Myval2;
|
|
const pointer _Oldlast = _My_data._Mylast;
|
|
#if _ITERATOR_DEBUG_LEVEL == 2
|
|
_STL_VERIFY(
|
|
_Where._Getcont() == _STD addressof(_My_data) && _Whereptr >= _My_data._Myfirst && _Oldlast >= _Whereptr,
|
|
"vector emplace iterator outside range");
|
|
#endif // _ITERATOR_DEBUG_LEVEL == 2
|
|
|
|
if (_Oldlast != _My_data._Myend) {
|
|
if (_Whereptr == _Oldlast) { // at back, provide strong guarantee
|
|
_Emplace_back_with_unused_capacity(_STD forward<_Valty>(_Val)...);
|
|
} else {
|
|
auto& _Al = _Getal();
|
|
_Alloc_temporary<_Alty> _Obj(_Al, _STD forward<_Valty>(_Val)...); // handle aliasing
|
|
// after constructing _Obj, provide basic guarantee
|
|
_Orphan_range(_Whereptr, _Oldlast);
|
|
_Alty_traits::construct(_Al, _Unfancy(_Oldlast), _STD move(_Oldlast[-1]));
|
|
++_My_data._Mylast;
|
|
_Move_backward_unchecked(_Whereptr, _Oldlast - 1, _Oldlast);
|
|
*_Whereptr = _STD move(_Obj._Storage._Value);
|
|
}
|
|
|
|
return _Make_iterator(_Whereptr);
|
|
}
|
|
|
|
return _Make_iterator(_Emplace_reallocate(_Whereptr, _STD forward<_Valty>(_Val)...));
|
|
}
|
|
|
|
iterator insert(const_iterator _Where, const _Ty& _Val) { // insert _Val at _Where
|
|
return emplace(_Where, _Val);
|
|
}
|
|
|
|
iterator insert(const_iterator _Where, _Ty&& _Val) { // insert by moving _Val at _Where
|
|
return emplace(_Where, _STD move(_Val));
|
|
}
|
|
|
|
iterator insert(const_iterator _Where, _CRT_GUARDOVERFLOW const size_type _Count, const _Ty& _Val) {
|
|
// insert _Count * _Val at _Where
|
|
const pointer _Whereptr = _Where._Ptr;
|
|
|
|
auto& _My_data = _Mypair._Myval2;
|
|
pointer& _Mylast = _My_data._Mylast;
|
|
|
|
const pointer _Oldfirst = _My_data._Myfirst;
|
|
const pointer _Oldlast = _Mylast;
|
|
#if _ITERATOR_DEBUG_LEVEL == 2
|
|
_STL_VERIFY(_Where._Getcont() == _STD addressof(_My_data) && _Whereptr >= _Oldfirst && _Oldlast >= _Whereptr,
|
|
"vector insert iterator outside range");
|
|
#endif // _ITERATOR_DEBUG_LEVEL == 2
|
|
|
|
const auto _Whereoff = static_cast<size_type>(_Whereptr - _Oldfirst);
|
|
const auto _Unused_capacity = static_cast<size_type>(_My_data._Myend - _Oldlast);
|
|
const bool _One_at_back = _Count == 1 && _Whereptr == _Oldlast;
|
|
if (_Count == 0) { // nothing to do, avoid invalidating iterators
|
|
} else if (_Count > _Unused_capacity) { // reallocate
|
|
const auto _Oldsize = static_cast<size_type>(_Oldlast - _Oldfirst);
|
|
|
|
if (_Count > max_size() - _Oldsize) {
|
|
_Xlength();
|
|
}
|
|
|
|
const size_type _Newsize = _Oldsize + _Count;
|
|
const size_type _Newcapacity = _Calculate_growth(_Newsize);
|
|
|
|
const pointer _Newvec = _Getal().allocate(_Newcapacity);
|
|
const pointer _Constructed_last = _Newvec + _Whereoff + _Count;
|
|
pointer _Constructed_first = _Constructed_last;
|
|
|
|
_TRY_BEGIN
|
|
_Ufill(_Newvec + _Whereoff, _Count, _Val);
|
|
_Constructed_first = _Newvec + _Whereoff;
|
|
|
|
if (_One_at_back) { // provide strong guarantee
|
|
_Umove_if_noexcept(_Oldfirst, _Oldlast, _Newvec);
|
|
} else { // provide basic guarantee
|
|
_Umove(_Oldfirst, _Whereptr, _Newvec);
|
|
_Constructed_first = _Newvec;
|
|
_Umove(_Whereptr, _Oldlast, _Newvec + _Whereoff + _Count);
|
|
}
|
|
_CATCH_ALL
|
|
_Destroy(_Constructed_first, _Constructed_last);
|
|
_Getal().deallocate(_Newvec, _Newcapacity);
|
|
_RERAISE;
|
|
_CATCH_END
|
|
|
|
_Change_array(_Newvec, _Newsize, _Newcapacity);
|
|
} else if (_One_at_back) { // provide strong guarantee
|
|
_Emplace_back_with_unused_capacity(_Val);
|
|
} else { // provide basic guarantee
|
|
const _Alloc_temporary<_Alty> _Tmp_storage(_Getal(), _Val); // handle aliasing
|
|
const auto& _Tmp = _Tmp_storage._Storage._Value;
|
|
const auto _Affected_elements = static_cast<size_type>(_Oldlast - _Whereptr);
|
|
_Orphan_range(_Whereptr, _Oldlast);
|
|
|
|
if (_Count > _Affected_elements) { // new stuff spills off end
|
|
_Mylast = _Ufill(_Oldlast, _Count - _Affected_elements, _Tmp);
|
|
_Mylast = _Umove(_Whereptr, _Oldlast, _Mylast);
|
|
_STD fill(_Whereptr, _Oldlast, _Tmp);
|
|
} else { // new stuff can all be assigned
|
|
_Mylast = _Umove(_Oldlast - _Count, _Oldlast, _Oldlast);
|
|
_Move_backward_unchecked(_Whereptr, _Oldlast - _Count, _Oldlast);
|
|
_STD fill(_Whereptr, _Whereptr + _Count, _Tmp);
|
|
}
|
|
}
|
|
|
|
return _Make_iterator_offset(_Whereoff);
|
|
}
|
|
|
|
private:
|
|
template <class _Iter>
|
|
void _Insert_range(const_iterator _Where, _Iter _First, _Iter _Last, input_iterator_tag) {
|
|
// insert input range [_First, _Last) at _Where
|
|
if (_First == _Last) {
|
|
return; // nothing to do, avoid invalidating iterators
|
|
}
|
|
|
|
auto& _My_data = _Mypair._Myval2;
|
|
pointer& _Myfirst = _My_data._Myfirst;
|
|
pointer& _Mylast = _My_data._Mylast;
|
|
const auto _Whereoff = static_cast<size_type>(_Where._Ptr - _Myfirst);
|
|
const auto _Oldsize = static_cast<size_type>(_Mylast - _Myfirst);
|
|
|
|
// For one-at-back, provide strong guarantee.
|
|
// Otherwise, provide basic guarantee (despite N4659 26.3.11.5 [vector.modifiers]/1).
|
|
// Performance note: except for one-at-back, emplace_back()'s strong guarantee is unnecessary here.
|
|
|
|
for (; _First != _Last; ++_First) {
|
|
emplace_back(*_First);
|
|
}
|
|
|
|
_Orphan_range(_Myfirst + _Whereoff, _Myfirst + _Oldsize);
|
|
|
|
_STD rotate(_Myfirst + _Whereoff, _Myfirst + _Oldsize, _Mylast);
|
|
}
|
|
|
|
template <class _Iter>
|
|
void _Insert_range(const_iterator _Where, _Iter _First, _Iter _Last, forward_iterator_tag) {
|
|
// insert forward range [_First, _Last) at _Where
|
|
const pointer _Whereptr = _Where._Ptr;
|
|
const auto _Count = _Convert_size<size_type>(static_cast<size_t>(_STD distance(_First, _Last)));
|
|
|
|
auto& _My_data = _Mypair._Myval2;
|
|
pointer& _Mylast = _My_data._Mylast;
|
|
|
|
const pointer _Oldfirst = _My_data._Myfirst;
|
|
const pointer _Oldlast = _Mylast;
|
|
const auto _Unused_capacity = static_cast<size_type>(_My_data._Myend - _Oldlast);
|
|
|
|
if (_Count == 0) { // nothing to do, avoid invalidating iterators
|
|
} else if (_Count > _Unused_capacity) { // reallocate
|
|
const auto _Oldsize = static_cast<size_type>(_Oldlast - _Oldfirst);
|
|
|
|
if (_Count > max_size() - _Oldsize) {
|
|
_Xlength();
|
|
}
|
|
|
|
const size_type _Newsize = _Oldsize + _Count;
|
|
const size_type _Newcapacity = _Calculate_growth(_Newsize);
|
|
|
|
const pointer _Newvec = _Getal().allocate(_Newcapacity);
|
|
const auto _Whereoff = static_cast<size_type>(_Whereptr - _Oldfirst);
|
|
const pointer _Constructed_last = _Newvec + _Whereoff + _Count;
|
|
pointer _Constructed_first = _Constructed_last;
|
|
|
|
_TRY_BEGIN
|
|
_Ucopy(_First, _Last, _Newvec + _Whereoff);
|
|
_Constructed_first = _Newvec + _Whereoff;
|
|
|
|
if (_Count == 1 && _Whereptr == _Oldlast) { // one at back, provide strong guarantee
|
|
_Umove_if_noexcept(_Oldfirst, _Oldlast, _Newvec);
|
|
} else { // provide basic guarantee
|
|
_Umove(_Oldfirst, _Whereptr, _Newvec);
|
|
_Constructed_first = _Newvec;
|
|
_Umove(_Whereptr, _Oldlast, _Newvec + _Whereoff + _Count);
|
|
}
|
|
_CATCH_ALL
|
|
_Destroy(_Constructed_first, _Constructed_last);
|
|
_Getal().deallocate(_Newvec, _Newcapacity);
|
|
_RERAISE;
|
|
_CATCH_END
|
|
|
|
_Change_array(_Newvec, _Newsize, _Newcapacity);
|
|
} else { // Attempt to provide the strong guarantee for EmplaceConstructible failure.
|
|
// If we encounter copy/move construction/assignment failure, provide the basic guarantee.
|
|
// (For one-at-back, this provides the strong guarantee.)
|
|
|
|
const auto _Affected_elements = static_cast<size_type>(_Oldlast - _Whereptr);
|
|
|
|
if (_Count < _Affected_elements) { // some affected elements must be assigned
|
|
_Mylast = _Umove(_Oldlast - _Count, _Oldlast, _Oldlast);
|
|
_Move_backward_unchecked(_Whereptr, _Oldlast - _Count, _Oldlast);
|
|
_Destroy(_Whereptr, _Whereptr + _Count);
|
|
|
|
_TRY_BEGIN
|
|
_Ucopy(_First, _Last, _Whereptr);
|
|
_CATCH_ALL
|
|
// glue the broken pieces back together
|
|
|
|
_TRY_BEGIN
|
|
_Umove(_Whereptr + _Count, _Whereptr + 2 * _Count, _Whereptr);
|
|
_CATCH_ALL
|
|
// vaporize the detached piece
|
|
_Orphan_range(_Whereptr, _Oldlast);
|
|
_Destroy(_Whereptr + _Count, _Mylast);
|
|
_Mylast = _Whereptr;
|
|
_RERAISE;
|
|
_CATCH_END
|
|
|
|
_Move_unchecked(_Whereptr + 2 * _Count, _Mylast, _Whereptr + _Count);
|
|
_Destroy(_Oldlast, _Mylast);
|
|
_Mylast = _Oldlast;
|
|
_RERAISE;
|
|
_CATCH_END
|
|
} else { // affected elements don't overlap before/after
|
|
const pointer _Relocated = _Whereptr + _Count;
|
|
_Mylast = _Umove(_Whereptr, _Oldlast, _Relocated);
|
|
_Destroy(_Whereptr, _Oldlast);
|
|
|
|
_TRY_BEGIN
|
|
_Ucopy(_First, _Last, _Whereptr);
|
|
_CATCH_ALL
|
|
// glue the broken pieces back together
|
|
|
|
_TRY_BEGIN
|
|
_Umove(_Relocated, _Mylast, _Whereptr);
|
|
_CATCH_ALL
|
|
// vaporize the detached piece
|
|
_Orphan_range(_Whereptr, _Oldlast);
|
|
_Destroy(_Relocated, _Mylast);
|
|
_Mylast = _Whereptr;
|
|
_RERAISE;
|
|
_CATCH_END
|
|
|
|
_Destroy(_Relocated, _Mylast);
|
|
_Mylast = _Oldlast;
|
|
_RERAISE;
|
|
_CATCH_END
|
|
}
|
|
|
|
_Orphan_range(_Whereptr, _Oldlast);
|
|
}
|
|
}
|
|
|
|
public:
|
|
template <class _Iter, enable_if_t<_Is_iterator_v<_Iter>, int> = 0>
|
|
iterator insert(const_iterator _Where, _Iter _First, _Iter _Last) {
|
|
const pointer _Whereptr = _Where._Ptr;
|
|
auto& _My_data = _Mypair._Myval2;
|
|
const pointer _Oldfirst = _My_data._Myfirst;
|
|
#if _ITERATOR_DEBUG_LEVEL == 2
|
|
_STL_VERIFY(
|
|
_Where._Getcont() == _STD addressof(_My_data) && _Whereptr >= _Oldfirst && _My_data._Mylast >= _Whereptr,
|
|
"vector insert iterator outside range");
|
|
#endif // _ITERATOR_DEBUG_LEVEL == 2
|
|
|
|
_Adl_verify_range(_First, _Last);
|
|
const auto _Whereoff = static_cast<size_type>(_Whereptr - _Oldfirst);
|
|
_Insert_range(_Where, _Get_unwrapped(_First), _Get_unwrapped(_Last), _Iter_cat_t<_Iter>{});
|
|
return _Make_iterator_offset(_Whereoff);
|
|
}
|
|
|
|
iterator insert(const_iterator _Where, initializer_list<_Ty> _Ilist) {
|
|
return insert(_Where, _Ilist.begin(), _Ilist.end());
|
|
}
|
|
|
|
void assign(_CRT_GUARDOVERFLOW const size_type _Newsize, const _Ty& _Val) { // assign _Newsize * _Val
|
|
auto& _My_data = _Mypair._Myval2;
|
|
pointer& _Myfirst = _My_data._Myfirst;
|
|
pointer& _Mylast = _My_data._Mylast;
|
|
|
|
_My_data._Orphan_all();
|
|
|
|
auto _Oldsize = static_cast<size_type>(_Mylast - _Myfirst);
|
|
if (_Newsize > _Oldsize) {
|
|
const auto _Oldcapacity = static_cast<size_type>(_My_data._Myend - _Myfirst);
|
|
if (_Newsize > _Oldcapacity) { // reallocate
|
|
_Clear_and_reserve_geometric(_Newsize);
|
|
_Oldsize = 0;
|
|
} else {
|
|
_STD fill(_Myfirst, _Mylast, _Val);
|
|
}
|
|
|
|
_Mylast = _Ufill(_Mylast, _Newsize - _Oldsize, _Val);
|
|
} else {
|
|
const pointer _Newlast = _Myfirst + _Newsize;
|
|
_STD fill(_Myfirst, _Newlast, _Val);
|
|
_Destroy(_Newlast, _Mylast);
|
|
_Mylast = _Newlast;
|
|
}
|
|
}
|
|
|
|
private:
|
|
template <class _Iter>
|
|
void _Assign_range(_Iter _First, _Iter _Last, input_iterator_tag) { // assign input range [_First, _Last)
|
|
auto& _My_data = _Mypair._Myval2;
|
|
pointer& _Myfirst = _My_data._Myfirst;
|
|
pointer& _Mylast = _My_data._Mylast;
|
|
|
|
_My_data._Orphan_all();
|
|
|
|
pointer _Next = _Myfirst;
|
|
|
|
for (; _First != _Last && _Next != _Mylast; ++_First, (void) ++_Next) {
|
|
*_Next = *_First;
|
|
}
|
|
|
|
// Code size optimization: we've exhausted only the source, only the dest, or both.
|
|
// If we've exhausted only the source: we Trim, then Append does nothing.
|
|
// If we've exhausted only the dest: Trim does nothing, then we Append.
|
|
// If we've exhausted both: Trim does nothing, then Append does nothing.
|
|
|
|
// Trim.
|
|
_Destroy(_Next, _Mylast);
|
|
_Mylast = _Next;
|
|
|
|
// Append.
|
|
for (; _First != _Last; ++_First) {
|
|
emplace_back(*_First); // performance note: emplace_back()'s strong guarantee is unnecessary here
|
|
}
|
|
}
|
|
|
|
template <class _Iter>
|
|
void _Assign_range(_Iter _First, _Iter _Last, forward_iterator_tag) { // assign forward range [_First, _Last)
|
|
const auto _Newsize = _Convert_size<size_type>(static_cast<size_t>(_STD distance(_First, _Last)));
|
|
auto& _My_data = _Mypair._Myval2;
|
|
pointer& _Myfirst = _My_data._Myfirst;
|
|
pointer& _Mylast = _My_data._Mylast;
|
|
pointer& _Myend = _My_data._Myend;
|
|
|
|
_My_data._Orphan_all();
|
|
|
|
#if _HAS_IF_CONSTEXPR
|
|
if constexpr (conjunction_v<bool_constant<_Ptr_copy_cat<_Iter, _Ty*>::_Trivially_copyable>,
|
|
_Uses_default_construct<_Alty, _Ty*, decltype(*_First)>,
|
|
_Uses_default_destroy<_Alty, _Ty*>>) {
|
|
const auto _Oldcapacity = static_cast<size_type>(_Myend - _Myfirst);
|
|
if (_Newsize > _Oldcapacity) {
|
|
_Clear_and_reserve_geometric(_Newsize);
|
|
}
|
|
|
|
_Mylast = _Refancy<pointer>(_Copy_memmove(_First, _Last, _Unfancy(_Myfirst)));
|
|
} else
|
|
#endif // _HAS_IF_CONSTEXPR
|
|
{
|
|
auto _Oldsize = static_cast<size_type>(_Mylast - _Myfirst);
|
|
|
|
if (_Newsize > _Oldsize) {
|
|
const auto _Oldcapacity = static_cast<size_type>(_Myend - _Myfirst);
|
|
if (_Newsize > _Oldcapacity) { // reallocate
|
|
_Clear_and_reserve_geometric(_Newsize);
|
|
_Oldsize = 0;
|
|
}
|
|
|
|
// performance note: traversing [_First, _Mid) twice
|
|
const _Iter _Mid = _STD next(_First, static_cast<difference_type>(_Oldsize));
|
|
_Copy_unchecked(_First, _Mid, _Myfirst);
|
|
_Mylast = _Ucopy(_Mid, _Last, _Mylast);
|
|
} else {
|
|
const pointer _Newlast = _Myfirst + _Newsize;
|
|
_Copy_unchecked(_First, _Last, _Myfirst);
|
|
_Destroy(_Newlast, _Mylast);
|
|
_Mylast = _Newlast;
|
|
}
|
|
}
|
|
}
|
|
|
|
public:
|
|
template <class _Iter, enable_if_t<_Is_iterator_v<_Iter>, int> = 0>
|
|
void assign(_Iter _First, _Iter _Last) {
|
|
_Adl_verify_range(_First, _Last);
|
|
_Assign_range(_Get_unwrapped(_First), _Get_unwrapped(_Last), _Iter_cat_t<_Iter>{});
|
|
}
|
|
|
|
void assign(initializer_list<_Ty> _Ilist) {
|
|
_Assign_range(_Ilist.begin(), _Ilist.end(), random_access_iterator_tag{});
|
|
}
|
|
|
|
private:
|
|
void _Copy_assign(const vector& _Right, false_type) {
|
|
_Pocca(_Getal(), _Right._Getal());
|
|
auto& _Right_data = _Right._Mypair._Myval2;
|
|
assign(_Right_data._Myfirst, _Right_data._Mylast);
|
|
}
|
|
|
|
void _Copy_assign(const vector& _Right, true_type) {
|
|
if (_Getal() != _Right._Getal()) {
|
|
_Tidy();
|
|
_Mypair._Myval2._Reload_proxy(
|
|
_GET_PROXY_ALLOCATOR(_Alty, _Getal()), _GET_PROXY_ALLOCATOR(_Alty, _Right._Getal()));
|
|
}
|
|
|
|
_Copy_assign(_Right, false_type{});
|
|
}
|
|
|
|
public:
|
|
vector& operator=(const vector& _Right) {
|
|
if (this != _STD addressof(_Right)) {
|
|
_Copy_assign(_Right, _Choose_pocca<_Alty>{});
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
vector& operator=(initializer_list<_Ty> _Ilist) {
|
|
_Assign_range(_Ilist.begin(), _Ilist.end(), random_access_iterator_tag{});
|
|
return *this;
|
|
}
|
|
|
|
private:
|
|
template <class _Ty2>
|
|
void _Resize_reallocate(const size_type _Newsize, const _Ty2& _Val) {
|
|
if (_Newsize > max_size()) {
|
|
_Xlength();
|
|
}
|
|
|
|
auto& _My_data = _Mypair._Myval2;
|
|
pointer& _Myfirst = _My_data._Myfirst;
|
|
pointer& _Mylast = _My_data._Mylast;
|
|
|
|
const auto _Oldsize = static_cast<size_type>(_Mylast - _Myfirst);
|
|
const size_type _Newcapacity = _Calculate_growth(_Newsize);
|
|
|
|
const pointer _Newvec = _Getal().allocate(_Newcapacity);
|
|
const pointer _Appended_first = _Newvec + _Oldsize;
|
|
pointer _Appended_last = _Appended_first;
|
|
|
|
_TRY_BEGIN
|
|
_Appended_last = _Ufill(_Appended_first, _Newsize - _Oldsize, _Val);
|
|
_Umove_if_noexcept(_Myfirst, _Mylast, _Newvec);
|
|
_CATCH_ALL
|
|
_Destroy(_Appended_first, _Appended_last);
|
|
_Getal().deallocate(_Newvec, _Newcapacity);
|
|
_RERAISE;
|
|
_CATCH_END
|
|
|
|
_Change_array(_Newvec, _Newsize, _Newcapacity);
|
|
}
|
|
|
|
template <class _Ty2>
|
|
void _Resize(const size_type _Newsize, const _Ty2& _Val) { // trim or append elements, provide strong guarantee
|
|
auto& _My_data = _Mypair._Myval2;
|
|
pointer& _Myfirst = _My_data._Myfirst;
|
|
pointer& _Mylast = _My_data._Mylast;
|
|
const auto _Oldsize = static_cast<size_type>(_Mylast - _Myfirst);
|
|
if (_Newsize < _Oldsize) { // trim
|
|
const pointer _Newlast = _Myfirst + _Newsize;
|
|
_Orphan_range(_Newlast, _Mylast);
|
|
_Destroy(_Newlast, _Mylast);
|
|
_Mylast = _Newlast;
|
|
return;
|
|
}
|
|
|
|
if (_Newsize > _Oldsize) { // append
|
|
const auto _Oldcapacity = static_cast<size_type>(_My_data._Myend - _Myfirst);
|
|
if (_Newsize > _Oldcapacity) { // reallocate
|
|
_Resize_reallocate(_Newsize, _Val);
|
|
return;
|
|
}
|
|
|
|
const pointer _Oldlast = _Mylast;
|
|
_Mylast = _Ufill(_Oldlast, _Newsize - _Oldsize, _Val);
|
|
_Orphan_range(_Oldlast, _Oldlast);
|
|
}
|
|
|
|
// if _Newsize == _Oldsize, do nothing; avoid invalidating iterators
|
|
}
|
|
|
|
public:
|
|
void resize(_CRT_GUARDOVERFLOW const size_type _Newsize) {
|
|
// trim or append value-initialized elements, provide strong guarantee
|
|
_Resize(_Newsize, _Value_init_tag{});
|
|
}
|
|
|
|
void resize(_CRT_GUARDOVERFLOW const size_type _Newsize, const _Ty& _Val) {
|
|
// trim or append copies of _Val, provide strong guarantee
|
|
_Resize(_Newsize, _Val);
|
|
}
|
|
|
|
private:
|
|
void _Reallocate_exactly(const size_type _Newcapacity) {
|
|
// set capacity to _Newcapacity (without geometric growth), provide strong guarantee
|
|
auto& _My_data = _Mypair._Myval2;
|
|
pointer& _Myfirst = _My_data._Myfirst;
|
|
pointer& _Mylast = _My_data._Mylast;
|
|
|
|
const auto _Size = static_cast<size_type>(_Mylast - _Myfirst);
|
|
|
|
const pointer _Newvec = _Getal().allocate(_Newcapacity);
|
|
|
|
_TRY_BEGIN
|
|
_Umove_if_noexcept(_Myfirst, _Mylast, _Newvec);
|
|
_CATCH_ALL
|
|
_Getal().deallocate(_Newvec, _Newcapacity);
|
|
_RERAISE;
|
|
_CATCH_END
|
|
|
|
_Change_array(_Newvec, _Size, _Newcapacity);
|
|
}
|
|
|
|
void _Clear_and_reserve_geometric(const size_type _Newsize) {
|
|
auto& _My_data = _Mypair._Myval2;
|
|
pointer& _Myfirst = _My_data._Myfirst;
|
|
pointer& _Mylast = _My_data._Mylast;
|
|
pointer& _Myend = _My_data._Myend;
|
|
|
|
#if _ITERATOR_DEBUG_LEVEL != 0 && defined(_ENABLE_STL_INTERNAL_CHECK)
|
|
_STL_INTERNAL_CHECK(_Newsize != 0);
|
|
{
|
|
_Lockit _Lock(_LOCK_DEBUG);
|
|
_STL_INTERNAL_CHECK(!_My_data._Myproxy->_Myfirstiter); // asserts that all iterators are orphaned
|
|
} // unlock
|
|
#endif // _ITERATOR_DEBUG_LEVEL != 0 && defined(_ENABLE_STL_INTERNAL_CHECK)
|
|
|
|
if (_Newsize > max_size()) {
|
|
_Xlength();
|
|
}
|
|
|
|
const size_type _Newcapacity = _Calculate_growth(_Newsize);
|
|
|
|
if (_Myfirst) { // destroy and deallocate old array
|
|
_Destroy(_Myfirst, _Mylast);
|
|
_Getal().deallocate(_Myfirst, static_cast<size_type>(_Myend - _Myfirst));
|
|
|
|
_Myfirst = pointer();
|
|
_Mylast = pointer();
|
|
_Myend = pointer();
|
|
}
|
|
|
|
_Buy_raw(_Newcapacity);
|
|
}
|
|
|
|
public:
|
|
void reserve(_CRT_GUARDOVERFLOW const size_type _Newcapacity) {
|
|
// increase capacity to _Newcapacity (without geometric growth), provide strong guarantee
|
|
if (_Newcapacity > capacity()) { // something to do (reserve() never shrinks)
|
|
if (_Newcapacity > max_size()) {
|
|
_Xlength();
|
|
}
|
|
|
|
_Reallocate_exactly(_Newcapacity);
|
|
}
|
|
}
|
|
|
|
void shrink_to_fit() { // reduce capacity to size, provide strong guarantee
|
|
auto& _My_data = _Mypair._Myval2;
|
|
const pointer _Oldlast = _My_data._Mylast;
|
|
if (_Oldlast != _My_data._Myend) { // something to do
|
|
const pointer _Oldfirst = _My_data._Myfirst;
|
|
if (_Oldfirst == _Oldlast) {
|
|
_Tidy();
|
|
} else {
|
|
_Reallocate_exactly(static_cast<size_type>(_Oldlast - _Oldfirst));
|
|
}
|
|
}
|
|
}
|
|
|
|
void pop_back() noexcept /* strengthened */ {
|
|
auto& _My_data = _Mypair._Myval2;
|
|
pointer& _Mylast = _My_data._Mylast;
|
|
|
|
#if _ITERATOR_DEBUG_LEVEL == 2
|
|
_STL_VERIFY(_My_data._Myfirst != _Mylast, "vector empty before pop");
|
|
_Orphan_range(_Mylast - 1, _Mylast);
|
|
#endif // _ITERATOR_DEBUG_LEVEL == 2
|
|
|
|
_Alty_traits::destroy(_Getal(), _Unfancy(_Mylast - 1));
|
|
--_Mylast;
|
|
}
|
|
|
|
iterator erase(const_iterator _Where) noexcept(is_nothrow_move_assignable_v<value_type>) /* strengthened */ {
|
|
const pointer _Whereptr = _Where._Ptr;
|
|
auto& _My_data = _Mypair._Myval2;
|
|
pointer& _Mylast = _My_data._Mylast;
|
|
|
|
#if _ITERATOR_DEBUG_LEVEL == 2
|
|
_STL_VERIFY(
|
|
_Where._Getcont() == _STD addressof(_My_data) && _Whereptr >= _My_data._Myfirst && _Mylast > _Whereptr,
|
|
"vector erase iterator outside range");
|
|
_Orphan_range(_Whereptr, _Mylast);
|
|
#endif // _ITERATOR_DEBUG_LEVEL == 2
|
|
|
|
_Move_unchecked(_Whereptr + 1, _Mylast, _Whereptr);
|
|
_Alty_traits::destroy(_Getal(), _Unfancy(_Mylast - 1));
|
|
--_Mylast;
|
|
return iterator(_Whereptr, _STD addressof(_My_data));
|
|
}
|
|
|
|
iterator erase(const_iterator _First, const_iterator _Last) noexcept(
|
|
is_nothrow_move_assignable_v<value_type>) /* strengthened */ {
|
|
const pointer _Firstptr = _First._Ptr;
|
|
const pointer _Lastptr = _Last._Ptr;
|
|
auto& _My_data = _Mypair._Myval2;
|
|
pointer& _Mylast = _My_data._Mylast;
|
|
|
|
#if _ITERATOR_DEBUG_LEVEL == 2
|
|
_STL_VERIFY(_First._Getcont() == _STD addressof(_My_data) && _Last._Getcont() == _STD addressof(_My_data)
|
|
&& _Firstptr >= _My_data._Myfirst && _Lastptr >= _Firstptr && _Mylast >= _Lastptr,
|
|
"vector erase iterator outside range");
|
|
#endif // _ITERATOR_DEBUG_LEVEL == 2
|
|
|
|
if (_Firstptr != _Lastptr) { // something to do, invalidate iterators
|
|
_Orphan_range(_Firstptr, _Mylast);
|
|
|
|
const pointer _Newlast = _Move_unchecked(_Lastptr, _Mylast, _Firstptr);
|
|
_Destroy(_Newlast, _Mylast);
|
|
_Mylast = _Newlast;
|
|
}
|
|
|
|
return iterator(_Firstptr, _STD addressof(_My_data));
|
|
}
|
|
|
|
void clear() noexcept { // erase all
|
|
auto& _My_data = _Mypair._Myval2;
|
|
pointer& _Myfirst = _My_data._Myfirst;
|
|
pointer& _Mylast = _My_data._Mylast;
|
|
|
|
_My_data._Orphan_all();
|
|
_Destroy(_Myfirst, _Mylast);
|
|
_Mylast = _Myfirst;
|
|
}
|
|
|
|
public:
|
|
void swap(vector& _Right) noexcept /* strengthened */ {
|
|
if (this != _STD addressof(_Right)) {
|
|
_Pocs(_Getal(), _Right._Getal());
|
|
_Mypair._Myval2._Swap_val(_Right._Mypair._Myval2);
|
|
}
|
|
}
|
|
|
|
_NODISCARD _Ty* data() noexcept {
|
|
return _Unfancy_maybe_null(_Mypair._Myval2._Myfirst);
|
|
}
|
|
|
|
_NODISCARD const _Ty* data() const noexcept {
|
|
return _Unfancy_maybe_null(_Mypair._Myval2._Myfirst);
|
|
}
|
|
|
|
_NODISCARD iterator begin() noexcept {
|
|
auto& _My_data = _Mypair._Myval2;
|
|
return iterator(_My_data._Myfirst, _STD addressof(_My_data));
|
|
}
|
|
|
|
_NODISCARD const_iterator begin() const noexcept {
|
|
auto& _My_data = _Mypair._Myval2;
|
|
return const_iterator(_My_data._Myfirst, _STD addressof(_My_data));
|
|
}
|
|
|
|
_NODISCARD iterator end() noexcept {
|
|
auto& _My_data = _Mypair._Myval2;
|
|
return iterator(_My_data._Mylast, _STD addressof(_My_data));
|
|
}
|
|
|
|
_NODISCARD const_iterator end() const noexcept {
|
|
auto& _My_data = _Mypair._Myval2;
|
|
return const_iterator(_My_data._Mylast, _STD addressof(_My_data));
|
|
}
|
|
|
|
_NODISCARD reverse_iterator rbegin() noexcept {
|
|
return reverse_iterator(end());
|
|
}
|
|
|
|
_NODISCARD const_reverse_iterator rbegin() const noexcept {
|
|
return const_reverse_iterator(end());
|
|
}
|
|
|
|
_NODISCARD reverse_iterator rend() noexcept {
|
|
return reverse_iterator(begin());
|
|
}
|
|
|
|
_NODISCARD const_reverse_iterator rend() const noexcept {
|
|
return const_reverse_iterator(begin());
|
|
}
|
|
|
|
_NODISCARD const_iterator cbegin() const noexcept {
|
|
return begin();
|
|
}
|
|
|
|
_NODISCARD const_iterator cend() const noexcept {
|
|
return end();
|
|
}
|
|
|
|
_NODISCARD const_reverse_iterator crbegin() const noexcept {
|
|
return rbegin();
|
|
}
|
|
|
|
_NODISCARD const_reverse_iterator crend() const noexcept {
|
|
return rend();
|
|
}
|
|
|
|
pointer _Unchecked_begin() noexcept {
|
|
return _Mypair._Myval2._Myfirst;
|
|
}
|
|
|
|
const_pointer _Unchecked_begin() const noexcept {
|
|
return _Mypair._Myval2._Myfirst;
|
|
}
|
|
|
|
pointer _Unchecked_end() noexcept {
|
|
return _Mypair._Myval2._Mylast;
|
|
}
|
|
|
|
const_pointer _Unchecked_end() const noexcept {
|
|
return _Mypair._Myval2._Mylast;
|
|
}
|
|
|
|
_NODISCARD bool empty() const noexcept {
|
|
auto& _My_data = _Mypair._Myval2;
|
|
return _My_data._Myfirst == _My_data._Mylast;
|
|
}
|
|
|
|
_NODISCARD size_type size() const noexcept {
|
|
auto& _My_data = _Mypair._Myval2;
|
|
return static_cast<size_type>(_My_data._Mylast - _My_data._Myfirst);
|
|
}
|
|
|
|
_NODISCARD size_type max_size() const noexcept {
|
|
return (_STD min)(
|
|
static_cast<size_type>((numeric_limits<difference_type>::max)()), _Alty_traits::max_size(_Getal()));
|
|
}
|
|
|
|
_NODISCARD size_type capacity() const noexcept {
|
|
auto& _My_data = _Mypair._Myval2;
|
|
return static_cast<size_type>(_My_data._Myend - _My_data._Myfirst);
|
|
}
|
|
|
|
_NODISCARD _Ty& operator[](const size_type _Pos) noexcept /* strengthened */ {
|
|
auto& _My_data = _Mypair._Myval2;
|
|
#if _CONTAINER_DEBUG_LEVEL > 0
|
|
_STL_VERIFY(
|
|
_Pos < static_cast<size_type>(_My_data._Mylast - _My_data._Myfirst), "vector subscript out of range");
|
|
#endif // _CONTAINER_DEBUG_LEVEL > 0
|
|
|
|
return _My_data._Myfirst[_Pos];
|
|
}
|
|
|
|
_NODISCARD const _Ty& operator[](const size_type _Pos) const noexcept /* strengthened */ {
|
|
auto& _My_data = _Mypair._Myval2;
|
|
#if _CONTAINER_DEBUG_LEVEL > 0
|
|
_STL_VERIFY(
|
|
_Pos < static_cast<size_type>(_My_data._Mylast - _My_data._Myfirst), "vector subscript out of range");
|
|
#endif // _CONTAINER_DEBUG_LEVEL > 0
|
|
|
|
return _My_data._Myfirst[_Pos];
|
|
}
|
|
|
|
_NODISCARD _Ty& at(const size_type _Pos) {
|
|
auto& _My_data = _Mypair._Myval2;
|
|
if (static_cast<size_type>(_My_data._Mylast - _My_data._Myfirst) <= _Pos) {
|
|
_Xrange();
|
|
}
|
|
|
|
return _My_data._Myfirst[_Pos];
|
|
}
|
|
|
|
_NODISCARD const _Ty& at(const size_type _Pos) const {
|
|
auto& _My_data = _Mypair._Myval2;
|
|
if (static_cast<size_type>(_My_data._Mylast - _My_data._Myfirst) <= _Pos) {
|
|
_Xrange();
|
|
}
|
|
|
|
return _My_data._Myfirst[_Pos];
|
|
}
|
|
|
|
_NODISCARD _Ty& front() noexcept /* strengthened */ {
|
|
auto& _My_data = _Mypair._Myval2;
|
|
#if _CONTAINER_DEBUG_LEVEL > 0
|
|
_STL_VERIFY(_My_data._Myfirst != _My_data._Mylast, "front() called on empty vector");
|
|
#endif // _CONTAINER_DEBUG_LEVEL > 0
|
|
|
|
return *_My_data._Myfirst;
|
|
}
|
|
|
|
_NODISCARD const _Ty& front() const noexcept /* strengthened */ {
|
|
auto& _My_data = _Mypair._Myval2;
|
|
#if _CONTAINER_DEBUG_LEVEL > 0
|
|
_STL_VERIFY(_My_data._Myfirst != _My_data._Mylast, "front() called on empty vector");
|
|
#endif // _CONTAINER_DEBUG_LEVEL > 0
|
|
|
|
return *_My_data._Myfirst;
|
|
}
|
|
|
|
_NODISCARD _Ty& back() noexcept /* strengthened */ {
|
|
auto& _My_data = _Mypair._Myval2;
|
|
#if _CONTAINER_DEBUG_LEVEL > 0
|
|
_STL_VERIFY(_My_data._Myfirst != _My_data._Mylast, "back() called on empty vector");
|
|
#endif // _CONTAINER_DEBUG_LEVEL > 0
|
|
|
|
return _My_data._Mylast[-1];
|
|
}
|
|
|
|
_NODISCARD const _Ty& back() const noexcept /* strengthened */ {
|
|
auto& _My_data = _Mypair._Myval2;
|
|
#if _CONTAINER_DEBUG_LEVEL > 0
|
|
_STL_VERIFY(_My_data._Myfirst != _My_data._Mylast, "back() called on empty vector");
|
|
#endif // _CONTAINER_DEBUG_LEVEL > 0
|
|
|
|
return _My_data._Mylast[-1];
|
|
}
|
|
|
|
_NODISCARD allocator_type get_allocator() const noexcept {
|
|
return static_cast<allocator_type>(_Getal());
|
|
}
|
|
|
|
private:
|
|
pointer _Ufill(pointer _Dest, const size_type _Count, const _Ty& _Val) {
|
|
// fill raw _Dest with _Count copies of _Val, using allocator
|
|
return _Uninitialized_fill_n(_Dest, _Count, _Val, _Getal());
|
|
}
|
|
|
|
pointer _Ufill(pointer _Dest, const size_type _Count, _Value_init_tag) {
|
|
// fill raw _Dest with _Count value-initialized objects, using allocator
|
|
return _Uninitialized_value_construct_n(_Dest, _Count, _Getal());
|
|
}
|
|
|
|
template <class _Iter>
|
|
pointer _Ucopy(_Iter _First, _Iter _Last, pointer _Dest) { // copy [_First, _Last) to raw _Dest, using allocator
|
|
return _Uninitialized_copy(_First, _Last, _Dest, _Getal());
|
|
}
|
|
|
|
pointer _Umove(pointer _First, pointer _Last, pointer _Dest) { // move [_First, _Last) to raw _Dest, using allocator
|
|
return _Uninitialized_move(_First, _Last, _Dest, _Getal());
|
|
}
|
|
|
|
void _Umove_if_noexcept1(pointer _First, pointer _Last, pointer _Dest, true_type) {
|
|
// move [_First, _Last) to raw _Dest, using allocator
|
|
_Uninitialized_move(_First, _Last, _Dest, _Getal());
|
|
}
|
|
|
|
void _Umove_if_noexcept1(pointer _First, pointer _Last, pointer _Dest, false_type) {
|
|
// copy [_First, _Last) to raw _Dest, using allocator
|
|
_Uninitialized_copy(_First, _Last, _Dest, _Getal());
|
|
}
|
|
|
|
void _Umove_if_noexcept(pointer _First, pointer _Last, pointer _Dest) {
|
|
// move_if_noexcept [_First, _Last) to raw _Dest, using allocator
|
|
_Umove_if_noexcept1(_First, _Last, _Dest,
|
|
bool_constant<disjunction_v<is_nothrow_move_constructible<_Ty>, negation<is_copy_constructible<_Ty>>>>{});
|
|
}
|
|
|
|
void _Destroy(pointer _First, pointer _Last) { // destroy [_First, _Last) using allocator
|
|
_Destroy_range(_First, _Last, _Getal());
|
|
}
|
|
|
|
size_type _Calculate_growth(const size_type _Newsize) const {
|
|
// given _Oldcapacity and _Newsize, calculate geometric growth
|
|
const size_type _Oldcapacity = capacity();
|
|
|
|
if (_Oldcapacity > max_size() - _Oldcapacity / 2) {
|
|
return _Newsize; // geometric growth would overflow
|
|
}
|
|
|
|
const size_type _Geometric = _Oldcapacity + _Oldcapacity / 2;
|
|
|
|
if (_Geometric < _Newsize) {
|
|
return _Newsize; // geometric growth would be insufficient
|
|
}
|
|
|
|
return _Geometric; // geometric growth is sufficient
|
|
}
|
|
|
|
void _Buy_raw(const size_type _Newcapacity) {
|
|
// allocate array with _Newcapacity elements
|
|
auto& _My_data = _Mypair._Myval2;
|
|
pointer& _Myfirst = _My_data._Myfirst;
|
|
pointer& _Mylast = _My_data._Mylast;
|
|
pointer& _Myend = _My_data._Myend;
|
|
|
|
_STL_INTERNAL_CHECK(!_Myfirst && !_Mylast && !_Myend); // check that *this is tidy
|
|
_STL_INTERNAL_CHECK(0 < _Newcapacity && _Newcapacity <= max_size());
|
|
|
|
const auto _Newvec = _Getal().allocate(_Newcapacity);
|
|
_Myfirst = _Newvec;
|
|
_Mylast = _Newvec;
|
|
_Myend = _Newvec + _Newcapacity;
|
|
}
|
|
|
|
void _Buy_nonzero(const size_type _Newcapacity) {
|
|
// allocate array with _Newcapacity elements
|
|
#ifdef _ENABLE_STL_INTERNAL_CHECK
|
|
auto& _My_data = _Mypair._Myval2;
|
|
pointer& _Myfirst = _My_data._Myfirst;
|
|
pointer& _Mylast = _My_data._Mylast;
|
|
pointer& _Myend = _My_data._Myend;
|
|
_STL_INTERNAL_CHECK(!_Myfirst && !_Mylast && !_Myend); // check that *this is tidy
|
|
_STL_INTERNAL_CHECK(0 < _Newcapacity);
|
|
#endif // _ENABLE_STL_INTERNAL_CHECK
|
|
|
|
if (_Newcapacity > max_size()) {
|
|
_Xlength();
|
|
}
|
|
|
|
_Buy_raw(_Newcapacity);
|
|
}
|
|
|
|
void _Change_array(const pointer _Newvec, const size_type _Newsize, const size_type _Newcapacity) {
|
|
// orphan all iterators, discard old array, acquire new array
|
|
auto& _My_data = _Mypair._Myval2;
|
|
pointer& _Myfirst = _My_data._Myfirst;
|
|
pointer& _Mylast = _My_data._Mylast;
|
|
pointer& _Myend = _My_data._Myend;
|
|
|
|
_My_data._Orphan_all();
|
|
|
|
if (_Myfirst) { // destroy and deallocate old array
|
|
_Destroy(_Myfirst, _Mylast);
|
|
_Getal().deallocate(_Myfirst, static_cast<size_type>(_Myend - _Myfirst));
|
|
}
|
|
|
|
_Myfirst = _Newvec;
|
|
_Mylast = _Newvec + _Newsize;
|
|
_Myend = _Newvec + _Newcapacity;
|
|
}
|
|
|
|
void _Tidy() noexcept { // free all storage
|
|
auto& _My_data = _Mypair._Myval2;
|
|
pointer& _Myfirst = _My_data._Myfirst;
|
|
pointer& _Mylast = _My_data._Mylast;
|
|
pointer& _Myend = _My_data._Myend;
|
|
|
|
_My_data._Orphan_all();
|
|
|
|
if (_Myfirst) { // destroy and deallocate old array
|
|
_Destroy(_Myfirst, _Mylast);
|
|
_Getal().deallocate(_Myfirst, static_cast<size_type>(_Myend - _Myfirst));
|
|
|
|
_Myfirst = pointer();
|
|
_Mylast = pointer();
|
|
_Myend = pointer();
|
|
}
|
|
}
|
|
|
|
[[noreturn]] static void _Xlength() {
|
|
_Xlength_error("vector too long");
|
|
}
|
|
|
|
[[noreturn]] static void _Xrange() {
|
|
_Xout_of_range("invalid vector subscript");
|
|
}
|
|
|
|
void _Orphan_range(pointer _First, pointer _Last) const { // orphan iterators within specified (inclusive) range
|
|
#if _ITERATOR_DEBUG_LEVEL == 2
|
|
_Lockit _Lock(_LOCK_DEBUG);
|
|
|
|
_Iterator_base12** _Pnext = &_Mypair._Myval2._Myproxy->_Myfirstiter;
|
|
while (*_Pnext) {
|
|
const auto _Pnextptr = static_cast<const_iterator&>(**_Pnext)._Ptr;
|
|
if (_Pnextptr < _First || _Last < _Pnextptr) { // skip the iterator
|
|
_Pnext = &(*_Pnext)->_Mynextiter;
|
|
} else { // orphan the iterator
|
|
(*_Pnext)->_Myproxy = nullptr;
|
|
*_Pnext = (*_Pnext)->_Mynextiter;
|
|
}
|
|
}
|
|
#else // ^^^ _ITERATOR_DEBUG_LEVEL == 2 ^^^ // vvv _ITERATOR_DEBUG_LEVEL != 2 vvv
|
|
(void) _First;
|
|
(void) _Last;
|
|
#endif // _ITERATOR_DEBUG_LEVEL == 2
|
|
}
|
|
|
|
_Alty& _Getal() noexcept {
|
|
return _Mypair._Get_first();
|
|
}
|
|
|
|
const _Alty& _Getal() const noexcept {
|
|
return _Mypair._Get_first();
|
|
}
|
|
|
|
iterator _Make_iterator(const pointer _Ptr) noexcept {
|
|
return iterator(_Ptr, _STD addressof(_Mypair._Myval2));
|
|
}
|
|
|
|
iterator _Make_iterator_offset(const size_type _Offset) noexcept {
|
|
// return the iterator begin() + _Offset without a debugging check
|
|
auto& _My_data = _Mypair._Myval2;
|
|
return iterator(_My_data._Myfirst + _Offset, _STD addressof(_My_data));
|
|
}
|
|
|
|
_Compressed_pair<_Alty, _Scary_val> _Mypair;
|
|
};
|
|
|
|
#if _HAS_CXX17
|
|
template <class _Iter, class _Alloc = allocator<_Iter_value_t<_Iter>>,
|
|
enable_if_t<conjunction_v<_Is_iterator<_Iter>, _Is_allocator<_Alloc>>, int> = 0>
|
|
vector(_Iter, _Iter, _Alloc = _Alloc()) -> vector<_Iter_value_t<_Iter>, _Alloc>;
|
|
#endif // _HAS_CXX17
|
|
|
|
template <class _Ty, class _Alloc>
|
|
void swap(vector<_Ty, _Alloc>& _Left, vector<_Ty, _Alloc>& _Right) noexcept /* strengthened */ {
|
|
_Left.swap(_Right);
|
|
}
|
|
|
|
template <class _Ty, class _Alloc>
|
|
_NODISCARD bool operator==(const vector<_Ty, _Alloc>& _Left, const vector<_Ty, _Alloc>& _Right) {
|
|
return _Left.size() == _Right.size()
|
|
&& _STD equal(_Left._Unchecked_begin(), _Left._Unchecked_end(), _Right._Unchecked_begin());
|
|
}
|
|
|
|
template <class _Ty, class _Alloc>
|
|
_NODISCARD bool operator!=(const vector<_Ty, _Alloc>& _Left, const vector<_Ty, _Alloc>& _Right) {
|
|
return !(_Left == _Right);
|
|
}
|
|
|
|
template <class _Ty, class _Alloc>
|
|
_NODISCARD bool operator<(const vector<_Ty, _Alloc>& _Left, const vector<_Ty, _Alloc>& _Right) {
|
|
return _STD lexicographical_compare(
|
|
_Left._Unchecked_begin(), _Left._Unchecked_end(), _Right._Unchecked_begin(), _Right._Unchecked_end());
|
|
}
|
|
|
|
template <class _Ty, class _Alloc>
|
|
_NODISCARD bool operator>(const vector<_Ty, _Alloc>& _Left, const vector<_Ty, _Alloc>& _Right) {
|
|
return _Right < _Left;
|
|
}
|
|
|
|
template <class _Ty, class _Alloc>
|
|
_NODISCARD bool operator<=(const vector<_Ty, _Alloc>& _Left, const vector<_Ty, _Alloc>& _Right) {
|
|
return !(_Right < _Left);
|
|
}
|
|
|
|
template <class _Ty, class _Alloc>
|
|
_NODISCARD bool operator>=(const vector<_Ty, _Alloc>& _Left, const vector<_Ty, _Alloc>& _Right) {
|
|
return !(_Left < _Right);
|
|
}
|
|
|
|
// CLASS TEMPLATE vector<bool, Alloc> AND FRIENDS
|
|
using _Vbase = unsigned int; // word type for vector<bool> representation
|
|
constexpr int _VBITS = 8 * sizeof(_Vbase); // at least CHAR_BITS bits per word
|
|
|
|
template <class _Alloc0>
|
|
struct _Wrap_alloc { // TRANSITION, ABI compat, preserves symbol names of vector<bool>::iterator
|
|
using _Alloc = _Alloc0;
|
|
};
|
|
|
|
// CLASS _Vb_iter_base
|
|
template <class _Alvbase_wrapped>
|
|
class _Vb_iter_base : public _Iterator_base {
|
|
// store information common to reference and iterators
|
|
public:
|
|
using _Alvbase = typename _Alvbase_wrapped::_Alloc;
|
|
using _Size_type = typename allocator_traits<_Alvbase>::size_type;
|
|
using _Difference_type = typename allocator_traits<_Alvbase>::difference_type;
|
|
using _Mycont = vector<bool, _Rebind_alloc_t<_Alvbase, bool>>;
|
|
|
|
_Vb_iter_base() = default;
|
|
|
|
_Vb_iter_base(const _Vbase* _Ptr, _Size_type _Off, const _Container_base* _Mypvbool) noexcept
|
|
: _Myptr(_Ptr), _Myoff(_Off) {
|
|
this->_Adopt(_Mypvbool);
|
|
}
|
|
|
|
void _Advance(_Size_type _Off) {
|
|
_Myoff += _Off;
|
|
_Myptr += _Myoff / _VBITS;
|
|
_Myoff %= _VBITS;
|
|
}
|
|
|
|
#if _ITERATOR_DEBUG_LEVEL != 0
|
|
_Difference_type _Total_off(const _Mycont* _Cont) const {
|
|
return static_cast<_Difference_type>(_VBITS * (_Myptr - _Cont->_Myvec.data()) + _Myoff);
|
|
}
|
|
#endif // _ITERATOR_DEBUG_LEVEL != 0
|
|
|
|
const _Vbase* _Myptr = nullptr;
|
|
_Size_type _Myoff = 0;
|
|
};
|
|
|
|
// CLASS _Vb_reference
|
|
template <class _Alvbase_wrapped>
|
|
class _Vb_reference : public _Vb_iter_base<_Alvbase_wrapped> {
|
|
// reference to a bit within a base word
|
|
using _Mybase = _Vb_iter_base<_Alvbase_wrapped>;
|
|
using _Mycont = typename _Mybase::_Mycont;
|
|
using _Difference_type = typename _Mybase::_Difference_type;
|
|
|
|
// TRANSITION, ABI: non-trivial constructor
|
|
_Vb_reference() = default;
|
|
|
|
public:
|
|
_Vb_reference(const _Mybase& _Right) noexcept : _Mybase(_Right._Myptr, _Right._Myoff, _Right._Getcont()) {}
|
|
|
|
_Vb_reference& operator=(const _Vb_reference& _Right) noexcept {
|
|
return *this = static_cast<bool>(_Right);
|
|
}
|
|
|
|
_Vb_reference& operator=(bool _Val) noexcept {
|
|
if (_Val) {
|
|
*const_cast<_Vbase*>(_Getptr()) |= _Mask();
|
|
} else {
|
|
*const_cast<_Vbase*>(_Getptr()) &= ~_Mask();
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
void flip() noexcept {
|
|
*const_cast<_Vbase*>(_Getptr()) ^= _Mask();
|
|
}
|
|
|
|
operator bool() const noexcept {
|
|
return (*_Getptr() & _Mask()) != 0;
|
|
}
|
|
|
|
const _Vbase* _Getptr() const {
|
|
#if _ITERATOR_DEBUG_LEVEL != 0
|
|
const auto _Cont = static_cast<const _Mycont*>(this->_Getcont());
|
|
_STL_VERIFY(_Cont, "cannot dereference value-initialized vector<bool> iterator");
|
|
_STL_VERIFY(this->_Total_off(_Cont) <= static_cast<_Difference_type>(_Cont->_Mysize),
|
|
"vector<bool> iterator not dereferenceable");
|
|
#endif // _ITERATOR_DEBUG_LEVEL != 0
|
|
|
|
return this->_Myptr;
|
|
}
|
|
|
|
friend void swap(_Vb_reference _Left, _Vb_reference _Right) noexcept {
|
|
bool _Val = _Left; // NOT _STD swap
|
|
_Left = _Right;
|
|
_Right = _Val;
|
|
}
|
|
|
|
protected:
|
|
_Vbase _Mask() const {
|
|
return static_cast<_Vbase>(1) << this->_Myoff;
|
|
}
|
|
};
|
|
|
|
// CLASS _Vb_const_iterator
|
|
template <class _Alvbase_wrapped>
|
|
class _Vb_const_iterator : public _Vb_iter_base<_Alvbase_wrapped> {
|
|
private:
|
|
using _Mybase = _Vb_iter_base<_Alvbase_wrapped>;
|
|
|
|
public:
|
|
using _Mycont = typename _Mybase::_Mycont;
|
|
using _Difference_type = typename _Mybase::_Difference_type;
|
|
using _Size_type = typename _Mybase::_Size_type;
|
|
using _Reft = _Vb_reference<_Alvbase_wrapped>;
|
|
using const_reference = bool;
|
|
|
|
using iterator_category = random_access_iterator_tag;
|
|
using value_type = bool;
|
|
using difference_type = typename _Mybase::_Difference_type;
|
|
using pointer = const_reference*;
|
|
using reference = const_reference;
|
|
|
|
_Vb_const_iterator() = default;
|
|
|
|
_Vb_const_iterator(const _Vbase* _Ptr, const _Container_base* _Mypvbool) noexcept : _Mybase(_Ptr, 0, _Mypvbool) {}
|
|
|
|
_NODISCARD const_reference operator*() const {
|
|
#if _ITERATOR_DEBUG_LEVEL != 0
|
|
const auto _Cont = static_cast<const _Mycont*>(this->_Getcont());
|
|
_STL_VERIFY(_Cont, "cannot dereference value-initialized vector<bool> iterator");
|
|
_STL_VERIFY(this->_Total_off(_Cont) < static_cast<_Difference_type>(_Cont->_Mysize),
|
|
"vector<bool> iterator not dereferenceable");
|
|
#endif // _ITERATOR_DEBUG_LEVEL != 0
|
|
|
|
return _Reft(*this);
|
|
}
|
|
|
|
_Vb_const_iterator& operator++() {
|
|
_Inc();
|
|
return *this;
|
|
}
|
|
|
|
_Vb_const_iterator operator++(int) {
|
|
_Vb_const_iterator _Tmp = *this;
|
|
_Inc();
|
|
return _Tmp;
|
|
}
|
|
|
|
_Vb_const_iterator& operator--() {
|
|
_Dec();
|
|
return *this;
|
|
}
|
|
|
|
_Vb_const_iterator operator--(int) {
|
|
_Vb_const_iterator _Tmp = *this;
|
|
_Dec();
|
|
return _Tmp;
|
|
}
|
|
|
|
_Vb_const_iterator& operator+=(const difference_type _Off) {
|
|
#if _ITERATOR_DEBUG_LEVEL != 0
|
|
if (_Off != 0) {
|
|
const auto _Cont = static_cast<const _Mycont*>(this->_Getcont());
|
|
_STL_VERIFY(_Cont, "cannot seek value-initialized vector<bool> iterator");
|
|
const auto _Start_offset = this->_Total_off(_Cont);
|
|
if (_Off < 0) {
|
|
_STL_VERIFY(-_Start_offset <= _Off, "cannot seek vector<bool> iterator before begin");
|
|
} else if (0 < _Off) {
|
|
_STL_VERIFY(_Off <= static_cast<_Difference_type>(_Cont->_Mysize - _Start_offset),
|
|
"cannot seek vector<bool> iterator after end");
|
|
}
|
|
}
|
|
#endif // _ITERATOR_DEBUG_LEVEL != 0
|
|
|
|
if (_Off < 0 && this->_Myoff < 0 - static_cast<_Size_type>(_Off)) { // add negative increment
|
|
this->_Myoff += _Off;
|
|
this->_Myptr -= 1 + (static_cast<_Size_type>(-1) - this->_Myoff) / _VBITS;
|
|
this->_Myoff %= _VBITS;
|
|
} else { // add non-negative increment
|
|
this->_Myoff += _Off;
|
|
this->_Myptr += this->_Myoff / _VBITS;
|
|
this->_Myoff %= _VBITS;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
_NODISCARD _Vb_const_iterator operator+(const difference_type _Off) const {
|
|
_Vb_const_iterator _Tmp = *this;
|
|
return _Tmp += _Off;
|
|
}
|
|
|
|
_Vb_const_iterator& operator-=(const difference_type _Off) {
|
|
return *this += -_Off;
|
|
}
|
|
|
|
_NODISCARD _Vb_const_iterator operator-(const difference_type _Off) const {
|
|
_Vb_const_iterator _Tmp = *this;
|
|
return _Tmp -= _Off;
|
|
}
|
|
|
|
_NODISCARD difference_type operator-(const _Vb_const_iterator& _Right) const {
|
|
_Compat(_Right);
|
|
return static_cast<difference_type>(_VBITS * (this->_Myptr - _Right._Myptr))
|
|
+ static_cast<difference_type>(this->_Myoff) - static_cast<difference_type>(_Right._Myoff);
|
|
}
|
|
|
|
_NODISCARD const_reference operator[](const difference_type _Off) const {
|
|
return *(*this + _Off);
|
|
}
|
|
|
|
_NODISCARD bool operator==(const _Vb_const_iterator& _Right) const {
|
|
_Compat(_Right);
|
|
return this->_Myptr == _Right._Myptr && this->_Myoff == _Right._Myoff;
|
|
}
|
|
|
|
_NODISCARD bool operator!=(const _Vb_const_iterator& _Right) const {
|
|
return !(*this == _Right);
|
|
}
|
|
|
|
_NODISCARD bool operator<(const _Vb_const_iterator& _Right) const {
|
|
_Compat(_Right);
|
|
return this->_Myptr < _Right._Myptr || (this->_Myptr == _Right._Myptr && this->_Myoff < _Right._Myoff);
|
|
}
|
|
|
|
_NODISCARD bool operator>(const _Vb_const_iterator& _Right) const {
|
|
return _Right < *this;
|
|
}
|
|
|
|
_NODISCARD bool operator<=(const _Vb_const_iterator& _Right) const {
|
|
return !(_Right < *this);
|
|
}
|
|
|
|
_NODISCARD bool operator>=(const _Vb_const_iterator& _Right) const {
|
|
return !(*this < _Right);
|
|
}
|
|
|
|
void _Compat(const _Vb_const_iterator& _Right) const { // test for compatible iterator pair
|
|
#if _ITERATOR_DEBUG_LEVEL == 0
|
|
(void) _Right;
|
|
#else // _ITERATOR_DEBUG_LEVEL == 0
|
|
_STL_VERIFY(this->_Getcont() == _Right._Getcont(), "vector<bool> iterators incompatible");
|
|
#endif // _ITERATOR_DEBUG_LEVEL
|
|
}
|
|
|
|
#if _ITERATOR_DEBUG_LEVEL != 0
|
|
using _Prevent_inheriting_unwrap = _Vb_const_iterator;
|
|
|
|
friend void _Verify_range(const _Vb_const_iterator& _First, const _Vb_const_iterator& _Last) {
|
|
// note _Compat check inside <=
|
|
_STL_VERIFY(_First <= _Last, "vector<bool> iterator range transposed");
|
|
}
|
|
#endif // _ITERATOR_DEBUG_LEVEL != 0
|
|
|
|
void _Dec() { // decrement bit position
|
|
#if _ITERATOR_DEBUG_LEVEL != 0
|
|
const auto _Cont = static_cast<const _Mycont*>(this->_Getcont());
|
|
_STL_VERIFY(_Cont, "cannot decrement value-initialized vector<bool> iterator");
|
|
_STL_VERIFY(this->_Total_off(_Cont) > 0, "cannot decrement vector<bool> begin iterator");
|
|
#endif // _ITERATOR_DEBUG_LEVEL != 0
|
|
|
|
if (this->_Myoff != 0) {
|
|
--this->_Myoff;
|
|
} else { // move to previous word
|
|
this->_Myoff = _VBITS - 1;
|
|
--this->_Myptr;
|
|
}
|
|
}
|
|
|
|
void _Inc() { // increment bit position
|
|
#if _ITERATOR_DEBUG_LEVEL != 0
|
|
const auto _Cont = static_cast<const _Mycont*>(this->_Getcont());
|
|
_STL_VERIFY(_Cont, "cannot increment value-initialized vector<bool> iterator");
|
|
_STL_VERIFY(this->_Total_off(_Cont) < static_cast<_Difference_type>(_Cont->_Mysize),
|
|
"cannot increment vector<bool> end iterator");
|
|
#endif // _ITERATOR_DEBUG_LEVEL != 0
|
|
|
|
if (this->_Myoff < _VBITS - 1) {
|
|
++this->_Myoff;
|
|
} else { // move to next word
|
|
this->_Myoff = 0;
|
|
++this->_Myptr;
|
|
}
|
|
}
|
|
};
|
|
|
|
template <class _Alvbase_wrapped>
|
|
_NODISCARD _Vb_const_iterator<_Alvbase_wrapped> operator+(
|
|
typename _Vb_const_iterator<_Alvbase_wrapped>::difference_type _Off, _Vb_const_iterator<_Alvbase_wrapped> _Right) {
|
|
return _Right += _Off;
|
|
}
|
|
|
|
// CLASS _Vb_iterator
|
|
template <class _Alvbase_wrapped>
|
|
class _Vb_iterator : public _Vb_const_iterator<_Alvbase_wrapped> {
|
|
public:
|
|
using _Mybase = _Vb_const_iterator<_Alvbase_wrapped>;
|
|
using _Mycont = typename _Mybase::_Mycont;
|
|
using _Difference_type = typename _Mybase::_Difference_type;
|
|
|
|
using _Reft = _Vb_reference<_Alvbase_wrapped>;
|
|
using const_reference = bool;
|
|
|
|
using iterator_category = random_access_iterator_tag;
|
|
using value_type = bool;
|
|
using difference_type = typename _Mybase::difference_type;
|
|
using pointer = _Reft*;
|
|
using reference = _Reft;
|
|
|
|
using _Mybase::_Mybase;
|
|
|
|
_NODISCARD reference operator*() const {
|
|
#if _ITERATOR_DEBUG_LEVEL != 0
|
|
const auto _Cont = static_cast<const _Mycont*>(this->_Getcont());
|
|
_STL_VERIFY(_Cont, "cannot dereference value-initialized vector<bool> iterator");
|
|
_STL_VERIFY(this->_Total_off(_Cont) < static_cast<_Difference_type>(_Cont->_Mysize),
|
|
"vector<bool> iterator not dereferenceable");
|
|
#endif // _ITERATOR_DEBUG_LEVEL != 0
|
|
|
|
return _Reft(*this);
|
|
}
|
|
|
|
_Vb_iterator& operator++() {
|
|
_Mybase::operator++();
|
|
return *this;
|
|
}
|
|
|
|
_Vb_iterator operator++(int) {
|
|
_Vb_iterator _Tmp = *this;
|
|
_Mybase::operator++();
|
|
return _Tmp;
|
|
}
|
|
|
|
_Vb_iterator& operator--() {
|
|
_Mybase::operator--();
|
|
return *this;
|
|
}
|
|
|
|
_Vb_iterator operator--(int) {
|
|
_Vb_iterator _Tmp = *this;
|
|
_Mybase::operator--();
|
|
return _Tmp;
|
|
}
|
|
|
|
_Vb_iterator& operator+=(const difference_type _Off) {
|
|
_Mybase::operator+=(_Off);
|
|
return *this;
|
|
}
|
|
|
|
_NODISCARD _Vb_iterator operator+(const difference_type _Off) const {
|
|
_Vb_iterator _Tmp = *this;
|
|
return _Tmp += _Off;
|
|
}
|
|
|
|
_Vb_iterator& operator-=(const difference_type _Off) {
|
|
_Mybase::operator-=(_Off);
|
|
return *this;
|
|
}
|
|
|
|
using _Mybase::operator-;
|
|
|
|
_NODISCARD _Vb_iterator operator-(const difference_type _Off) const {
|
|
_Vb_iterator _Tmp = *this;
|
|
return _Tmp -= _Off;
|
|
}
|
|
|
|
_NODISCARD reference operator[](const difference_type _Off) const {
|
|
return *(*this + _Off);
|
|
}
|
|
|
|
using _Prevent_inheriting_unwrap = _Vb_iterator;
|
|
};
|
|
|
|
template <class _Alvbase_wrapped>
|
|
_NODISCARD _Vb_iterator<_Alvbase_wrapped> operator+(
|
|
typename _Vb_iterator<_Alvbase_wrapped>::difference_type _Off, _Vb_iterator<_Alvbase_wrapped> _Right) {
|
|
return _Right += _Off;
|
|
}
|
|
|
|
// CLASS TEMPLATE _Vb_val
|
|
template <class _Alloc>
|
|
class _Vb_val : public _Container_base {
|
|
public:
|
|
using _Alvbase = _Rebind_alloc_t<_Alloc, _Vbase>;
|
|
using _Alvbase_traits = allocator_traits<_Alvbase>;
|
|
using _Vectype = vector<_Vbase, _Alvbase>;
|
|
using _Alvbase_wrapped = _Wrap_alloc<_Alvbase>;
|
|
using size_type = typename _Alvbase_traits::size_type;
|
|
|
|
_Vb_val() noexcept(is_nothrow_default_constructible_v<_Vectype>) : _Myvec(), _Mysize(0) {
|
|
this->_Alloc_proxy(_GET_PROXY_ALLOCATOR(_Alvbase, _Getal()));
|
|
}
|
|
|
|
_Vb_val(const _Alloc& _Al) noexcept(is_nothrow_constructible_v<_Vectype, _Alvbase>)
|
|
: _Myvec(static_cast<_Alvbase>(_Al)), _Mysize(0) {
|
|
this->_Alloc_proxy(_GET_PROXY_ALLOCATOR(_Alvbase, _Getal()));
|
|
}
|
|
|
|
_Vb_val(size_type _Count, const bool& _Val) : _Myvec(_Nw(_Count), static_cast<_Vbase>(_Val ? -1 : 0)), _Mysize(0) {
|
|
this->_Alloc_proxy(_GET_PROXY_ALLOCATOR(_Alvbase, _Getal()));
|
|
}
|
|
|
|
_Vb_val(size_type _Count, const bool& _Val, const _Alloc& _Al)
|
|
: _Myvec(_Nw(_Count), static_cast<_Vbase>(_Val ? -1 : 0), static_cast<_Alvbase>(_Al)), _Mysize(0) {
|
|
this->_Alloc_proxy(_GET_PROXY_ALLOCATOR(_Alvbase, _Getal()));
|
|
}
|
|
|
|
_Vb_val(const _Vb_val& _Right) : _Myvec(_Right._Myvec), _Mysize(_Right._Mysize) {
|
|
this->_Alloc_proxy(_GET_PROXY_ALLOCATOR(_Alvbase, _Getal()));
|
|
}
|
|
|
|
_Vb_val(const _Vb_val& _Right, const _Alloc& _Al)
|
|
: _Myvec(_Right._Myvec, static_cast<_Alvbase>(_Al)), _Mysize(_Right._Mysize) {
|
|
this->_Alloc_proxy(_GET_PROXY_ALLOCATOR(_Alvbase, _Getal()));
|
|
}
|
|
|
|
_Vb_val(_Vb_val&& _Right) noexcept(is_nothrow_move_constructible_v<_Vectype>)
|
|
: _Myvec(_STD move(_Right._Myvec)), _Mysize(_STD exchange(_Right._Mysize, size_type{0})) {
|
|
this->_Alloc_proxy(_GET_PROXY_ALLOCATOR(_Alvbase, _Getal()));
|
|
}
|
|
|
|
_Vb_val(_Vb_val&& _Right, const _Alloc& _Al) noexcept(is_nothrow_constructible_v<_Vectype, _Vectype, _Alvbase>)
|
|
: _Myvec(_STD move(_Right._Myvec), static_cast<_Alvbase>(_Al)), _Mysize(_Right._Mysize) {
|
|
if (_Right._Myvec.empty()) {
|
|
// we took _Right's buffer, so zero out size
|
|
_Right._Mysize = 0;
|
|
}
|
|
|
|
this->_Alloc_proxy(_GET_PROXY_ALLOCATOR(_Alvbase, _Getal()));
|
|
}
|
|
|
|
~_Vb_val() noexcept {
|
|
#if _ITERATOR_DEBUG_LEVEL != 0
|
|
this->_Orphan_all();
|
|
auto&& _Alproxy = _GET_PROXY_ALLOCATOR(_Alvbase, this->_Getal());
|
|
_Delete_plain_internal(_Alproxy, _STD exchange(this->_Myproxy, nullptr));
|
|
#endif // _ITERATOR_DEBUG_LEVEL != 0
|
|
}
|
|
|
|
_Alvbase& _Getal() noexcept {
|
|
return _Myvec._Getal();
|
|
}
|
|
|
|
const _Alvbase& _Getal() const noexcept {
|
|
return _Myvec._Getal();
|
|
}
|
|
|
|
static size_type _Nw(size_type _Count) {
|
|
return (_Count + _VBITS - 1) / _VBITS;
|
|
}
|
|
|
|
_Vectype _Myvec; // base vector of words
|
|
size_type _Mysize; // current length of sequence
|
|
};
|
|
|
|
// CLASS vector<bool>
|
|
template <class _Alloc>
|
|
class vector<bool, _Alloc> : public _Vb_val<_Alloc> {
|
|
public:
|
|
static_assert(!_ENFORCE_MATCHING_ALLOCATORS || is_same_v<bool, typename _Alloc::value_type>,
|
|
_MISMATCHED_ALLOCATOR_MESSAGE("vector<bool, Allocator>", "bool"));
|
|
|
|
using _Mybase = _Vb_val<_Alloc>;
|
|
using _Alvbase_wrapped = typename _Mybase::_Alvbase_wrapped;
|
|
using _Alvbase = typename _Mybase::_Alvbase;
|
|
using _Alvbase_traits = typename _Mybase::_Alvbase_traits;
|
|
|
|
using size_type = typename _Alvbase_traits::size_type;
|
|
using difference_type = typename _Alvbase_traits::difference_type;
|
|
using allocator_type = _Alloc;
|
|
|
|
using reference = _Vb_reference<_Alvbase_wrapped>;
|
|
using const_reference = bool;
|
|
using value_type = bool;
|
|
|
|
using _Reft = reference;
|
|
using iterator = _Vb_iterator<_Alvbase_wrapped>;
|
|
using const_iterator = _Vb_const_iterator<_Alvbase_wrapped>;
|
|
|
|
using pointer = iterator;
|
|
using const_pointer = const_iterator;
|
|
using reverse_iterator = _STD reverse_iterator<iterator>;
|
|
using const_reverse_iterator = _STD reverse_iterator<const_iterator>;
|
|
|
|
static const int _VBITS = _STD _VBITS;
|
|
enum { _EEN_VBITS = _VBITS }; // helper for expression evaluator
|
|
|
|
vector() noexcept(is_nothrow_default_constructible_v<_Mybase>) // strengthened
|
|
: _Mybase() {}
|
|
|
|
explicit vector(const _Alloc& _Al) noexcept(is_nothrow_constructible_v<_Mybase, const _Alloc&>) // strengthened
|
|
: _Mybase(_Al) {}
|
|
|
|
explicit vector(_CRT_GUARDOVERFLOW size_type _Count, const _Alloc& _Al = _Alloc()) : _Mybase(_Count, false, _Al) {
|
|
_Trim(_Count);
|
|
}
|
|
|
|
vector(_CRT_GUARDOVERFLOW size_type _Count, const bool& _Val, const _Alloc& _Al = _Alloc())
|
|
: _Mybase(_Count, _Val, _Al) {
|
|
_Trim(_Count);
|
|
}
|
|
|
|
vector(const vector& _Right) : _Mybase(_Right) {}
|
|
|
|
vector(const vector& _Right, const _Alloc& _Al) : _Mybase(_Right, _Al) {}
|
|
|
|
template <class _Iter, enable_if_t<_Is_iterator_v<_Iter>, int> = 0>
|
|
vector(_Iter _First, _Iter _Last, const _Alloc& _Al = _Alloc()) : _Mybase(_Al) {
|
|
_BConstruct(_First, _Last);
|
|
}
|
|
|
|
template <class _Iter>
|
|
void _BConstruct(_Iter _First, _Iter _Last) {
|
|
insert(begin(), _First, _Last);
|
|
}
|
|
|
|
vector(vector&& _Right) noexcept(is_nothrow_move_constructible_v<_Mybase>) // strengthened
|
|
: _Mybase(_STD move(_Right)) {
|
|
this->_Swap_proxy_and_iterators(_Right);
|
|
}
|
|
|
|
vector(vector&& _Right, const _Alloc& _Al) noexcept(is_nothrow_constructible_v<_Mybase, _Mybase, const _Alloc&>)
|
|
: _Mybase(_STD move(_Right), _Al) {
|
|
if _CONSTEXPR_IF (!_Alvbase_traits::is_always_equal::value) {
|
|
if (this->_Getal() != _Right._Getal()) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
this->_Swap_proxy_and_iterators(_Right);
|
|
}
|
|
|
|
private:
|
|
#if _ITERATOR_DEBUG_LEVEL != 0
|
|
void _Move_assign(vector& _Right, _Equal_allocators) noexcept {
|
|
this->_Myvec = _STD move(_Right._Myvec);
|
|
this->_Mysize = _STD exchange(_Right._Mysize, size_type{0});
|
|
this->_Swap_proxy_and_iterators(_Right);
|
|
}
|
|
|
|
void _Move_assign(vector& _Right, _Propagate_allocators) noexcept {
|
|
using _Alproxy_type = _Rebind_alloc_t<_Alvbase, _Container_proxy>;
|
|
if (this->_Getal() != _Right._Getal()) { // reload proxy
|
|
// intentionally slams into noexcept on OOM, TRANSITION, VSO-466800
|
|
_Alproxy_type _Oldal(this->_Getal());
|
|
_Alproxy_type _Right_proxy_al(_Right._Getal());
|
|
_Container_proxy_ptr<_Alvbase> _Proxy(_Right_proxy_al, _Leave_proxy_unbound{});
|
|
this->_Myvec = _STD move(_Right._Myvec);
|
|
this->_Mysize = _STD exchange(_Right._Mysize, size_type{0});
|
|
_Proxy._Bind(_Oldal, this);
|
|
this->_Swap_proxy_and_iterators(_Right);
|
|
return;
|
|
}
|
|
|
|
this->_Myvec = _STD move(_Right._Myvec);
|
|
this->_Mysize = _STD exchange(_Right._Mysize, size_type{0});
|
|
this->_Swap_proxy_and_iterators(_Right);
|
|
}
|
|
|
|
void _Move_assign(vector& _Right, _No_propagate_allocators) {
|
|
this->_Myvec = _STD move(_Right._Myvec);
|
|
this->_Mysize = _Right._Mysize;
|
|
if (_Right._Myvec.empty()) {
|
|
// we took _Right's buffer, so zero out size
|
|
_Right._Mysize = 0;
|
|
}
|
|
|
|
if (this->_Getal() == _Right._Getal()) {
|
|
this->_Swap_proxy_and_iterators(_Right);
|
|
}
|
|
}
|
|
#endif // _ITERATOR_DEBUG_LEVEL != 0
|
|
|
|
public:
|
|
vector& operator=(vector&& _Right) noexcept(is_nothrow_move_assignable_v<_Mybase>) {
|
|
if (this != _STD addressof(_Right)) {
|
|
#if _ITERATOR_DEBUG_LEVEL == 0
|
|
this->_Myvec = _STD move(_Right._Myvec);
|
|
this->_Mysize = _STD exchange(_Right._Mysize, size_type{0});
|
|
#else // ^^^ _ITERATOR_DEBUG_LEVEL == 0 ^^^ // vvv _ITERATOR_DEBUG_LEVEL != 0 vvv
|
|
this->_Orphan_all();
|
|
_Move_assign(_Right, _Choose_pocma<_Alvbase>{});
|
|
#endif // _ITERATOR_DEBUG_LEVEL == 0
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
template <class... _Valty>
|
|
decltype(auto) emplace_back(_Valty&&... _Val) {
|
|
bool _Tmp(_STD forward<_Valty>(_Val)...);
|
|
push_back(_Tmp);
|
|
|
|
#if _HAS_CXX17
|
|
return back();
|
|
#endif // _HAS_CXX17
|
|
}
|
|
|
|
template <class... _Valty>
|
|
iterator emplace(const_iterator _Where, _Valty&&... _Val) {
|
|
bool _Tmp(_STD forward<_Valty>(_Val)...);
|
|
return insert(_Where, _Tmp);
|
|
}
|
|
|
|
vector(initializer_list<bool> _Ilist, const _Alloc& _Al = allocator_type()) : _Mybase(0, false, _Al) {
|
|
insert(begin(), _Ilist.begin(), _Ilist.end());
|
|
}
|
|
|
|
vector& operator=(initializer_list<bool> _Ilist) {
|
|
assign(_Ilist.begin(), _Ilist.end());
|
|
return *this;
|
|
}
|
|
|
|
void assign(initializer_list<bool> _Ilist) {
|
|
assign(_Ilist.begin(), _Ilist.end());
|
|
}
|
|
|
|
iterator insert(const_iterator _Where, initializer_list<bool> _Ilist) {
|
|
return insert(_Where, _Ilist.begin(), _Ilist.end());
|
|
}
|
|
|
|
~vector() noexcept {}
|
|
|
|
private:
|
|
#if _ITERATOR_DEBUG_LEVEL != 0
|
|
void _Copy_assign(const vector& _Right, false_type) {
|
|
this->_Myvec = _Right._Myvec;
|
|
this->_Mysize = _Right._Mysize;
|
|
}
|
|
|
|
void _Copy_assign(const vector& _Right, true_type) {
|
|
if (this->_Getal() == _Right._Getal()) {
|
|
_Copy_assign(_Right, false_type{});
|
|
} else {
|
|
// reload proxy
|
|
using _Alproxy_type = _Rebind_alloc_t<_Alvbase, _Container_proxy>;
|
|
_Alproxy_type _Oldal(this->_Getal());
|
|
_Alproxy_type _Right_proxy_al(_Right._Getal());
|
|
_Container_proxy_ptr<_Alvbase> _Proxy(_Right_proxy_al, _Leave_proxy_unbound{});
|
|
this->_Myvec = _Right._Myvec;
|
|
this->_Mysize = _Right._Mysize;
|
|
_Proxy._Bind(_Oldal, this);
|
|
}
|
|
}
|
|
#endif // _ITERATOR_DEBUG_LEVEL != 0
|
|
|
|
public:
|
|
vector& operator=(const vector& _Right) {
|
|
if (this != _STD addressof(_Right)) {
|
|
#if _ITERATOR_DEBUG_LEVEL == 0
|
|
this->_Myvec = _Right._Myvec;
|
|
this->_Mysize = _Right._Mysize;
|
|
#else // ^^^ _ITERATOR_DEBUG_LEVEL == 0 ^^^ // vvv _ITERATOR_DEBUG_LEVEL != 0 vvv
|
|
this->_Orphan_all();
|
|
_Copy_assign(_Right, _Choose_pocca<_Alvbase>{});
|
|
#endif // _ITERATOR_DEBUG_LEVEL == 0
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
void reserve(_CRT_GUARDOVERFLOW size_type _Count) {
|
|
this->_Myvec.reserve(this->_Nw(_Count));
|
|
}
|
|
|
|
_NODISCARD size_type capacity() const noexcept {
|
|
return this->_Myvec.capacity() * _VBITS;
|
|
}
|
|
|
|
_NODISCARD iterator begin() noexcept {
|
|
return iterator(this->_Myvec.data(), this);
|
|
}
|
|
|
|
_NODISCARD const_iterator begin() const noexcept {
|
|
return const_iterator(this->_Myvec.data(), this);
|
|
}
|
|
|
|
_NODISCARD iterator end() noexcept {
|
|
return begin() + static_cast<difference_type>(this->_Mysize);
|
|
}
|
|
|
|
_NODISCARD const_iterator end() const noexcept {
|
|
return begin() + static_cast<difference_type>(this->_Mysize);
|
|
}
|
|
|
|
_NODISCARD const_iterator cbegin() const noexcept {
|
|
return begin();
|
|
}
|
|
|
|
_NODISCARD const_iterator cend() const noexcept {
|
|
return end();
|
|
}
|
|
|
|
_NODISCARD const_reverse_iterator crbegin() const noexcept {
|
|
return rbegin();
|
|
}
|
|
|
|
_NODISCARD const_reverse_iterator crend() const noexcept {
|
|
return rend();
|
|
}
|
|
|
|
_NODISCARD iterator _Unchecked_begin() noexcept {
|
|
return iterator(this->_Myvec.data(), this);
|
|
}
|
|
|
|
_NODISCARD const_iterator _Unchecked_begin() const noexcept {
|
|
return const_iterator(this->_Myvec.data(), this);
|
|
}
|
|
|
|
_NODISCARD iterator _Unchecked_end() noexcept {
|
|
return _Unchecked_begin() + static_cast<difference_type>(this->_Mysize);
|
|
}
|
|
|
|
_NODISCARD const_iterator _Unchecked_end() const noexcept {
|
|
return _Unchecked_begin() + static_cast<difference_type>(this->_Mysize);
|
|
}
|
|
|
|
void shrink_to_fit() {
|
|
if (this->_Myvec.capacity() != this->_Myvec.size()) {
|
|
this->_Orphan_all();
|
|
this->_Myvec.shrink_to_fit();
|
|
}
|
|
}
|
|
|
|
iterator _Make_iter(const_iterator _Where) noexcept {
|
|
iterator _Tmp = begin();
|
|
if (0 < this->_Mysize) {
|
|
_Tmp += _Where - begin();
|
|
}
|
|
|
|
return _Tmp;
|
|
}
|
|
|
|
_NODISCARD reverse_iterator rbegin() noexcept {
|
|
return reverse_iterator(end());
|
|
}
|
|
|
|
_NODISCARD const_reverse_iterator rbegin() const noexcept {
|
|
return const_reverse_iterator(end());
|
|
}
|
|
|
|
_NODISCARD reverse_iterator rend() noexcept {
|
|
return reverse_iterator(begin());
|
|
}
|
|
|
|
_NODISCARD const_reverse_iterator rend() const noexcept {
|
|
return const_reverse_iterator(begin());
|
|
}
|
|
|
|
void resize(_CRT_GUARDOVERFLOW size_type _Newsize, bool _Val = false) {
|
|
if (size() < _Newsize) {
|
|
_Insert_n(end(), _Newsize - size(), _Val);
|
|
} else if (_Newsize < size()) {
|
|
erase(begin() + static_cast<difference_type>(_Newsize), end());
|
|
}
|
|
}
|
|
|
|
_NODISCARD size_type size() const noexcept {
|
|
return this->_Mysize;
|
|
}
|
|
|
|
_NODISCARD size_type max_size() const noexcept {
|
|
constexpr auto _Diff_max = static_cast<size_type>((numeric_limits<difference_type>::max)());
|
|
const size_type _Ints_max = this->_Myvec.max_size();
|
|
if (_Ints_max > _Diff_max / _VBITS) { // max_size bound by difference_type limits
|
|
return _Diff_max;
|
|
}
|
|
|
|
// max_size bound by underlying storage limits
|
|
return _Ints_max * _VBITS;
|
|
}
|
|
|
|
_NODISCARD bool empty() const noexcept {
|
|
return size() == 0;
|
|
}
|
|
|
|
_NODISCARD allocator_type get_allocator() const noexcept {
|
|
return static_cast<allocator_type>(this->_Myvec.get_allocator());
|
|
}
|
|
|
|
_NODISCARD const_reference at(size_type _Off) const {
|
|
if (size() <= _Off) {
|
|
_Xran();
|
|
}
|
|
|
|
return (*this)[_Off];
|
|
}
|
|
|
|
_NODISCARD reference at(size_type _Off) {
|
|
if (size() <= _Off) {
|
|
_Xran();
|
|
}
|
|
|
|
return (*this)[_Off];
|
|
}
|
|
|
|
_NODISCARD const_reference operator[](size_type _Off) const noexcept /* strengthened */ {
|
|
#if _CONTAINER_DEBUG_LEVEL > 0
|
|
_STL_VERIFY(_Off < this->_Mysize, "vector<bool> subscript out of range");
|
|
#endif // _CONTAINER_DEBUG_LEVEL > 0
|
|
|
|
const_iterator _It = begin();
|
|
_It._Advance(_Off);
|
|
return *_It;
|
|
}
|
|
|
|
_NODISCARD reference operator[](size_type _Off) noexcept /* strengthened */ {
|
|
#if _CONTAINER_DEBUG_LEVEL > 0
|
|
_STL_VERIFY(_Off < this->_Mysize, "vector<bool> subscript out of range");
|
|
#endif // _CONTAINER_DEBUG_LEVEL > 0
|
|
|
|
iterator _It = begin();
|
|
_It._Advance(_Off);
|
|
return *_It;
|
|
}
|
|
|
|
_NODISCARD reference front() noexcept /* strengthened */ {
|
|
#if _CONTAINER_DEBUG_LEVEL > 0
|
|
_STL_VERIFY(this->_Mysize != 0, "front() called on empty vector<bool>");
|
|
#endif // _CONTAINER_DEBUG_LEVEL > 0
|
|
|
|
return *begin();
|
|
}
|
|
|
|
_NODISCARD const_reference front() const noexcept /* strengthened */ {
|
|
#if _CONTAINER_DEBUG_LEVEL > 0
|
|
_STL_VERIFY(this->_Mysize != 0, "front() called on empty vector<bool>");
|
|
#endif // _CONTAINER_DEBUG_LEVEL > 0
|
|
|
|
return *begin();
|
|
}
|
|
|
|
_NODISCARD reference back() noexcept /* strengthened */ {
|
|
#if _CONTAINER_DEBUG_LEVEL > 0
|
|
_STL_VERIFY(this->_Mysize != 0, "back() called on empty vector<bool>");
|
|
#endif // _CONTAINER_DEBUG_LEVEL > 0
|
|
|
|
return *(end() - 1);
|
|
}
|
|
|
|
_NODISCARD const_reference back() const noexcept /* strengthened */ {
|
|
#if _CONTAINER_DEBUG_LEVEL > 0
|
|
_STL_VERIFY(this->_Mysize != 0, "back() called on empty vector<bool>");
|
|
#endif // _CONTAINER_DEBUG_LEVEL > 0
|
|
|
|
return *(end() - 1);
|
|
}
|
|
|
|
void push_back(const bool& _Val) {
|
|
insert(end(), _Val);
|
|
}
|
|
|
|
void pop_back() noexcept /* strengthened */ {
|
|
erase(end() - 1);
|
|
}
|
|
|
|
template <class _Iter, enable_if_t<_Is_iterator_v<_Iter>, int> = 0>
|
|
void assign(_Iter _First, _Iter _Last) {
|
|
clear();
|
|
insert(begin(), _First, _Last);
|
|
}
|
|
|
|
void assign(_CRT_GUARDOVERFLOW size_type _Count, const bool& _Val) {
|
|
clear();
|
|
_Insert_n(begin(), _Count, _Val);
|
|
}
|
|
|
|
iterator insert(const_iterator _Where, const bool& _Val) {
|
|
return _Insert_n(_Where, static_cast<size_type>(1), _Val);
|
|
}
|
|
|
|
iterator insert(const_iterator _Where, _CRT_GUARDOVERFLOW size_type _Count, const bool& _Val) {
|
|
return _Insert_n(_Where, _Count, _Val);
|
|
}
|
|
|
|
template <class _Iter, enable_if_t<_Is_iterator_v<_Iter>, int> = 0>
|
|
iterator insert(const_iterator _Where, _Iter _First, _Iter _Last) {
|
|
difference_type _Off = _Where - begin();
|
|
_Insert(_Where, _First, _Last, _Iter_cat_t<_Iter>());
|
|
return begin() + _Off;
|
|
}
|
|
|
|
template <class _Iter>
|
|
void _Insert(const_iterator _Where, _Iter _First, _Iter _Last, input_iterator_tag) {
|
|
difference_type _Off = _Where - begin();
|
|
|
|
for (; _First != _Last; ++_First, (void) ++_Off) {
|
|
insert(begin() + _Off, *_First);
|
|
}
|
|
}
|
|
|
|
template <class _Iter>
|
|
void _Insert(const_iterator _Where, _Iter _First, _Iter _Last, forward_iterator_tag) {
|
|
_Adl_verify_range(_First, _Last);
|
|
auto _Count = _Convert_size<size_type>(static_cast<size_t>(_STD distance(_First, _Last)));
|
|
size_type _Off = _Insert_x(_Where, _Count);
|
|
_Copy_unchecked(_Get_unwrapped(_First), _Get_unwrapped(_Last), begin() + static_cast<difference_type>(_Off));
|
|
}
|
|
|
|
iterator erase(const_iterator _Where_arg) noexcept /* strengthened */ {
|
|
iterator _Where = _Make_iter(_Where_arg);
|
|
difference_type _Off = _Where - begin();
|
|
|
|
#if _ITERATOR_DEBUG_LEVEL == 2
|
|
_STL_VERIFY(end() > _Where, "vector<bool> erase iterator outside range");
|
|
_STD copy(_Where + 1, end(), _Where);
|
|
_Orphan_range(static_cast<size_type>(_Off), this->_Mysize);
|
|
|
|
#else // _ITERATOR_DEBUG_LEVEL == 2
|
|
_STD copy(_Where + 1, end(), _Where);
|
|
#endif // _ITERATOR_DEBUG_LEVEL == 2
|
|
|
|
_Trim(this->_Mysize - 1);
|
|
return begin() + _Off;
|
|
}
|
|
|
|
iterator erase(const_iterator _First_arg, const_iterator _Last_arg) noexcept /* strengthened */ {
|
|
iterator _First = _Make_iter(_First_arg);
|
|
iterator _Last = _Make_iter(_Last_arg);
|
|
difference_type _Off = _First - begin();
|
|
|
|
if (_First != _Last) { // worth doing, copy down over hole
|
|
#if _ITERATOR_DEBUG_LEVEL == 2
|
|
_STL_VERIFY(_Last >= _First && end() >= _Last, "vector<bool> erase iterator outside range");
|
|
iterator _Next = _STD copy(_Last, end(), _First);
|
|
const auto _Newsize = static_cast<size_type>(_Next - begin());
|
|
_Orphan_range(_Newsize, this->_Mysize);
|
|
_Trim(_Newsize);
|
|
|
|
#else // _ITERATOR_DEBUG_LEVEL == 2
|
|
iterator _Next = _STD copy(_Last, end(), _First);
|
|
_Trim(static_cast<size_type>(_Next - begin()));
|
|
#endif // _ITERATOR_DEBUG_LEVEL == 2
|
|
}
|
|
return begin() + _Off;
|
|
}
|
|
|
|
void clear() noexcept {
|
|
this->_Orphan_all();
|
|
this->_Myvec.clear();
|
|
this->_Mysize = 0;
|
|
}
|
|
|
|
void flip() noexcept { // toggle all elements
|
|
for (auto& _Elem : this->_Myvec) {
|
|
_Elem = ~_Elem;
|
|
}
|
|
|
|
_Trim(this->_Mysize);
|
|
}
|
|
|
|
void swap(vector& _Right) noexcept /* strengthened */ {
|
|
if (this != _STD addressof(_Right)) {
|
|
this->_Swap_proxy_and_iterators(_Right);
|
|
this->_Myvec.swap(_Right._Myvec);
|
|
_STD swap(this->_Mysize, _Right._Mysize);
|
|
}
|
|
}
|
|
|
|
static void swap(reference _Left, reference _Right) noexcept {
|
|
bool _Val = _Left; // NOT _STD swap
|
|
_Left = _Right;
|
|
_Right = _Val;
|
|
}
|
|
|
|
friend hash<vector<bool, _Alloc>>;
|
|
|
|
iterator _Insert_n(const_iterator _Where, size_type _Count, const bool& _Val) {
|
|
size_type _Off = _Insert_x(_Where, _Count);
|
|
const auto _Result = begin() + static_cast<difference_type>(_Off);
|
|
_STD fill(_Result, _Result + static_cast<difference_type>(_Count), _Val);
|
|
return _Result;
|
|
}
|
|
|
|
size_type _Insert_x(const_iterator _Where, size_type _Count) {
|
|
difference_type _Off = _Where - begin();
|
|
|
|
#if _ITERATOR_DEBUG_LEVEL == 2
|
|
_STL_VERIFY(end() >= _Where, "vector<bool> insert iterator outside range");
|
|
bool _Realloc = capacity() - size() < _Count;
|
|
#endif // _ITERATOR_DEBUG_LEVEL == 2
|
|
|
|
if (_Count != 0) {
|
|
if (max_size() - size() < _Count) {
|
|
_Xlen(); // result too long
|
|
}
|
|
|
|
// worth doing
|
|
this->_Myvec.resize(this->_Nw(size() + _Count), 0);
|
|
if (empty()) {
|
|
this->_Mysize += _Count;
|
|
} else { // make room and copy down suffix
|
|
iterator _Oldend = end();
|
|
this->_Mysize += _Count;
|
|
_STD copy_backward(begin() + _Off, _Oldend, end());
|
|
}
|
|
|
|
#if _ITERATOR_DEBUG_LEVEL == 2
|
|
_Orphan_range(static_cast<size_type>(_Realloc ? 0 : _Off), this->_Mysize);
|
|
#endif // _ITERATOR_DEBUG_LEVEL == 2
|
|
}
|
|
|
|
return static_cast<size_type>(_Off);
|
|
}
|
|
|
|
#if _ITERATOR_DEBUG_LEVEL == 2
|
|
void _Orphan_range(size_type _Offlo, size_type _Offhi) const {
|
|
_Lockit _Lock(_LOCK_DEBUG);
|
|
const auto _Base = this->_Myvec.data();
|
|
|
|
_Iterator_base12** _Pnext = &this->_Myproxy->_Myfirstiter;
|
|
while (*_Pnext) { // test offset from beginning of vector
|
|
const auto& _Pnextiter = static_cast<const_iterator&>(**_Pnext);
|
|
const auto _Off = static_cast<size_type>(_VBITS * (_Pnextiter._Myptr - _Base)) + _Pnextiter._Myoff;
|
|
if (_Off < _Offlo || _Offhi < _Off) {
|
|
_Pnext = &(*_Pnext)->_Mynextiter;
|
|
} else { // orphan the iterator
|
|
(*_Pnext)->_Myproxy = nullptr;
|
|
*_Pnext = (*_Pnext)->_Mynextiter;
|
|
}
|
|
}
|
|
}
|
|
|
|
#else // _ITERATOR_DEBUG_LEVEL == 2
|
|
void _Orphan_range(size_type, size_type) const {}
|
|
#endif // _ITERATOR_DEBUG_LEVEL == 2
|
|
|
|
void _Trim(size_type _Size) {
|
|
if (max_size() < _Size) {
|
|
_Xlen(); // result too long
|
|
}
|
|
|
|
const size_type _Words = this->_Nw(_Size);
|
|
if (_Words < this->_Myvec.size()) {
|
|
this->_Myvec.erase(this->_Myvec.begin() + static_cast<difference_type>(_Words), this->_Myvec.end());
|
|
}
|
|
|
|
this->_Mysize = _Size;
|
|
_Size %= _VBITS;
|
|
if (0 < _Size) {
|
|
this->_Myvec[_Words - 1] &= (static_cast<_Vbase>(1) << _Size) - 1;
|
|
}
|
|
}
|
|
|
|
[[noreturn]] void _Xlen() const {
|
|
_Xlength_error("vector<bool> too long");
|
|
}
|
|
|
|
[[noreturn]] void _Xran() const {
|
|
_Xout_of_range("invalid vector<bool> subscript");
|
|
}
|
|
};
|
|
|
|
template <class _Alloc>
|
|
_NODISCARD bool operator==(const vector<bool, _Alloc>& _Left, const vector<bool, _Alloc>& _Right) {
|
|
return _Left.size() == _Right.size() && _Left._Myvec == _Right._Myvec;
|
|
}
|
|
|
|
template <class _Alloc>
|
|
_NODISCARD bool operator!=(const vector<bool, _Alloc>& _Left, const vector<bool, _Alloc>& _Right) {
|
|
return !(_Left == _Right);
|
|
}
|
|
|
|
// STRUCT TEMPLATE SPECIALIZATION hash
|
|
template <class _Alloc>
|
|
struct hash<vector<bool, _Alloc>> {
|
|
_CXX17_DEPRECATE_ADAPTOR_TYPEDEFS typedef vector<bool, _Alloc> _ARGUMENT_TYPE_NAME;
|
|
_CXX17_DEPRECATE_ADAPTOR_TYPEDEFS typedef size_t _RESULT_TYPE_NAME;
|
|
|
|
_NODISCARD size_t operator()(const vector<bool, _Alloc>& _Keyval) const noexcept {
|
|
return _Hash_array_representation(_Keyval._Myvec.data(), _Keyval._Myvec.size());
|
|
}
|
|
};
|
|
|
|
#if _HAS_CXX20
|
|
template <class _Ty, class _Alloc, class _Uty>
|
|
typename vector<_Ty, _Alloc>::size_type erase(vector<_Ty, _Alloc>& _Cont, const _Uty& _Val) {
|
|
return _Erase_remove(_Cont, _Val);
|
|
}
|
|
|
|
template <class _Ty, class _Alloc, class _Pr>
|
|
typename vector<_Ty, _Alloc>::size_type erase_if(vector<_Ty, _Alloc>& _Cont, _Pr _Pred) {
|
|
return _Erase_remove_if(_Cont, _Pass_fn(_Pred));
|
|
}
|
|
#endif // _HAS_CXX20
|
|
|
|
#if _HAS_CXX17
|
|
namespace pmr {
|
|
template <class _Ty>
|
|
using vector = _STD vector<_Ty, polymorphic_allocator<_Ty>>;
|
|
} // namespace pmr
|
|
#endif // _HAS_CXX17
|
|
_STD_END
|
|
|
|
#pragma pop_macro("new")
|
|
_STL_RESTORE_CLANG_WARNINGS
|
|
#pragma warning(pop)
|
|
#pragma pack(pop)
|
|
#endif // _STL_COMPILER_PREPROCESSOR
|
|
#endif // _VECTOR_
|