| Index: third_party/libc++/include/dynarray
|
| ===================================================================
|
| --- third_party/libc++/include/dynarray (revision 0)
|
| +++ third_party/libc++/include/dynarray (revision 0)
|
| @@ -0,0 +1,311 @@
|
| +// -*- C++ -*-
|
| +//===-------------------------- dynarray ----------------------------------===//
|
| +//
|
| +// The LLVM Compiler Infrastructure
|
| +//
|
| +// This file is dual licensed under the MIT and the University of Illinois Open
|
| +// Source Licenses. See LICENSE.TXT for details.
|
| +//
|
| +//===----------------------------------------------------------------------===//
|
| +
|
| +#ifndef _LIBCPP_DYNARRAY
|
| +#define _LIBCPP_DYNARRAY
|
| +
|
| +#include <__config>
|
| +#if _LIBCPP_STD_VER > 11
|
| +
|
| +/*
|
| + dynarray synopsis
|
| +
|
| +namespace std {
|
| +
|
| +template< typename T >
|
| +class dynarray
|
| +{
|
| + // types:
|
| + typedef T value_type;
|
| + typedef T& reference;
|
| + typedef const T& const_reference;
|
| + typedef T* pointer;
|
| + typedef const T* const_pointer;
|
| + typedef implementation-defined iterator;
|
| + typedef implementation-defined const_iterator;
|
| + typedef reverse_iterator<iterator> reverse_iterator;
|
| + typedef reverse_iterator<const_iterator> const_reverse_iterator;
|
| + typedef size_t size_type;
|
| + typedef ptrdiff_t difference_type;
|
| +
|
| +public:
|
| + // construct/copy/destroy:
|
| + explicit dynarray(size_type c);
|
| + template <typename Alloc>
|
| + dynarray(size_type c, const Alloc& alloc);
|
| + dynarray(size_type c, const T& v);
|
| + template <typename Alloc>
|
| + dynarray(size_type c, const T& v, const Alloc& alloc);
|
| + dynarray(const dynarray& d);
|
| + template <typename Alloc>
|
| + dynarray(const dynarray& d, const Alloc& alloc);
|
| + dynarray(initializer_list<T>);
|
| + template <typename Alloc>
|
| + dynarray(initializer_list<T>, const Alloc& alloc);
|
| +
|
| + dynarray& operator=(const dynarray&) = delete;
|
| + ~dynarray();
|
| +
|
| + // iterators:
|
| + iterator begin() noexcept;
|
| + const_iterator begin() const noexcept;
|
| + const_iterator cbegin() const noexcept;
|
| + iterator end() noexcept;
|
| + const_iterator end() const noexcept;
|
| + const_iterator cend() const noexcept;
|
| +
|
| + reverse_iterator rbegin() noexcept;
|
| + const_reverse_iterator rbegin() const noexcept;
|
| + const_reverse_iterator crbegin() const noexcept;
|
| + reverse_iterator rend() noexcept;
|
| + const_reverse_iterator rend() const noexcept;
|
| + const_reverse_iterator crend() const noexcept;
|
| +
|
| + // capacity:
|
| + size_type size() const noexcept;
|
| + size_type max_size() const noexcept;
|
| + bool empty() const noexcept;
|
| +
|
| + // element access:
|
| + reference operator[](size_type n);
|
| + const_reference operator[](size_type n) const;
|
| +
|
| + reference front();
|
| + const_reference front() const;
|
| + reference back();
|
| + const_reference back() const;
|
| +
|
| + const_reference at(size_type n) const;
|
| + reference at(size_type n);
|
| +
|
| + // data access:
|
| + T* data() noexcept;
|
| + const T* data() const noexcept;
|
| +
|
| + // mutating member functions:
|
| + void fill(const T& v);
|
| +};
|
| +
|
| +} // std
|
| +
|
| +*/
|
| +
|
| +#include <__functional_base>
|
| +#include <iterator>
|
| +#include <stdexcept>
|
| +#include <initializer_list>
|
| +#include <new>
|
| +#include <algorithm>
|
| +
|
| +#if defined(_LIBCPP_NO_EXCEPTIONS)
|
| + #include <cassert>
|
| +#endif
|
| +
|
| +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
|
| +#pragma GCC system_header
|
| +#endif
|
| +
|
| +_LIBCPP_BEGIN_NAMESPACE_STD
|
| +
|
| +template <class _Tp>
|
| +struct _LIBCPP_TYPE_VIS_ONLY dynarray
|
| +{
|
| +public:
|
| + // types:
|
| + typedef dynarray __self;
|
| + typedef _Tp value_type;
|
| + typedef value_type& reference;
|
| + typedef const value_type& const_reference;
|
| + typedef value_type* iterator;
|
| + typedef const value_type* const_iterator;
|
| + typedef value_type* pointer;
|
| + typedef const value_type* const_pointer;
|
| + typedef size_t size_type;
|
| + typedef ptrdiff_t difference_type;
|
| + typedef std::reverse_iterator<iterator> reverse_iterator;
|
| + typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
|
| +
|
| +private:
|
| + size_t __size_;
|
| + value_type * __base_;
|
| + _LIBCPP_ALWAYS_INLINE dynarray () noexcept : __base_(nullptr), __size_(0) {}
|
| +
|
| + static inline _LIBCPP_INLINE_VISIBILITY value_type* __allocate ( size_t count )
|
| + {
|
| + if ( numeric_limits<size_t>::max() / sizeof (value_type) <= count )
|
| + {
|
| +#ifndef _LIBCPP_NO_EXCEPTIONS
|
| + throw bad_array_length();
|
| +#else
|
| + assert(!"dynarray::allocation");
|
| +#endif
|
| + }
|
| + return static_cast<value_type *> (::operator new (sizeof(value_type) * count));
|
| + }
|
| +
|
| + static inline _LIBCPP_INLINE_VISIBILITY void __deallocate ( value_type* __ptr ) noexcept
|
| + {
|
| + ::operator delete (static_cast<void *> (__ptr));
|
| + }
|
| +
|
| +public:
|
| +
|
| + explicit dynarray(size_type __c);
|
| + dynarray(size_type __c, const value_type& __v);
|
| + dynarray(const dynarray& __d);
|
| + dynarray(initializer_list<value_type>);
|
| +
|
| +// We're not implementing these right now.
|
| +// Waiting for the resolution of LWG issue #2235
|
| +// template <typename _Alloc>
|
| +// dynarray(size_type __c, const _Alloc& __alloc);
|
| +// template <typename _Alloc>
|
| +// dynarray(size_type __c, const value_type& __v, const _Alloc& __alloc);
|
| +// template <typename _Alloc>
|
| +// dynarray(const dynarray& __d, const _Alloc& __alloc);
|
| +// template <typename _Alloc>
|
| +// dynarray(initializer_list<value_type>, const _Alloc& __alloc);
|
| +
|
| + dynarray& operator=(const dynarray&) = delete;
|
| + ~dynarray();
|
| +
|
| + // iterators:
|
| + inline _LIBCPP_INLINE_VISIBILITY iterator begin() noexcept { return iterator(data()); }
|
| + inline _LIBCPP_INLINE_VISIBILITY const_iterator begin() const noexcept { return const_iterator(data()); }
|
| + inline _LIBCPP_INLINE_VISIBILITY const_iterator cbegin() const noexcept { return const_iterator(data()); }
|
| + inline _LIBCPP_INLINE_VISIBILITY iterator end() noexcept { return iterator(data() + __size_); }
|
| + inline _LIBCPP_INLINE_VISIBILITY const_iterator end() const noexcept { return const_iterator(data() + __size_); }
|
| + inline _LIBCPP_INLINE_VISIBILITY const_iterator cend() const noexcept { return const_iterator(data() + __size_); }
|
| +
|
| + inline _LIBCPP_INLINE_VISIBILITY reverse_iterator rbegin() noexcept { return reverse_iterator(end()); }
|
| + inline _LIBCPP_INLINE_VISIBILITY const_reverse_iterator rbegin() const noexcept { return const_reverse_iterator(end()); }
|
| + inline _LIBCPP_INLINE_VISIBILITY const_reverse_iterator crbegin() const noexcept { return const_reverse_iterator(end()); }
|
| + inline _LIBCPP_INLINE_VISIBILITY reverse_iterator rend() noexcept { return reverse_iterator(begin()); }
|
| + inline _LIBCPP_INLINE_VISIBILITY const_reverse_iterator rend() const noexcept { return const_reverse_iterator(begin()); }
|
| + inline _LIBCPP_INLINE_VISIBILITY const_reverse_iterator crend() const noexcept { return const_reverse_iterator(begin()); }
|
| +
|
| + // capacity:
|
| + inline _LIBCPP_INLINE_VISIBILITY size_type size() const noexcept { return __size_; }
|
| + inline _LIBCPP_INLINE_VISIBILITY size_type max_size() const noexcept { return __size_; }
|
| + inline _LIBCPP_INLINE_VISIBILITY bool empty() const noexcept { return __size_ == 0; }
|
| +
|
| + // element access:
|
| + inline _LIBCPP_INLINE_VISIBILITY reference operator[](size_type __n) { return data()[__n]; }
|
| + inline _LIBCPP_INLINE_VISIBILITY const_reference operator[](size_type __n) const { return data()[__n]; }
|
| +
|
| + inline _LIBCPP_INLINE_VISIBILITY reference front() { return data()[0]; }
|
| + inline _LIBCPP_INLINE_VISIBILITY const_reference front() const { return data()[0]; }
|
| + inline _LIBCPP_INLINE_VISIBILITY reference back() { return data()[__size_-1]; }
|
| + inline _LIBCPP_INLINE_VISIBILITY const_reference back() const { return data()[__size_-1]; }
|
| +
|
| + inline _LIBCPP_INLINE_VISIBILITY const_reference at(size_type __n) const;
|
| + inline _LIBCPP_INLINE_VISIBILITY reference at(size_type __n);
|
| +
|
| + // data access:
|
| + inline _LIBCPP_INLINE_VISIBILITY _Tp* data() noexcept { return __base_; }
|
| + inline _LIBCPP_INLINE_VISIBILITY const _Tp* data() const noexcept { return __base_; }
|
| +
|
| + // mutating member functions:
|
| + inline _LIBCPP_INLINE_VISIBILITY void fill(const value_type& __v) { fill_n(begin(), __size_, __v); }
|
| +};
|
| +
|
| +template <class _Tp>
|
| +inline _LIBCPP_INLINE_VISIBILITY
|
| +dynarray<_Tp>::dynarray(size_type __c) : dynarray ()
|
| +{
|
| + __base_ = __allocate (__c);
|
| + value_type *__data = data ();
|
| + for ( __size_ = 0; __size_ < __c; ++__size_, ++__data )
|
| + ::new (__data) value_type;
|
| +}
|
| +
|
| +template <class _Tp>
|
| +inline _LIBCPP_INLINE_VISIBILITY
|
| +dynarray<_Tp>::dynarray(size_type __c, const value_type& __v) : dynarray ()
|
| +{
|
| + __base_ = __allocate (__c);
|
| + value_type *__data = data ();
|
| + for ( __size_ = 0; __size_ < __c; ++__size_, ++__data )
|
| + ::new (__data) value_type (__v);
|
| +}
|
| +
|
| +template <class _Tp>
|
| +inline _LIBCPP_INLINE_VISIBILITY
|
| +dynarray<_Tp>::dynarray(initializer_list<value_type> __il) : dynarray ()
|
| +{
|
| + size_t sz = __il.size();
|
| + __base_ = __allocate (sz);
|
| + value_type *__data = data ();
|
| + auto src = __il.begin();
|
| + for ( __size_ = 0; __size_ < sz; ++__size_, ++__data, ++src )
|
| + ::new (__data) value_type (*src);
|
| +}
|
| +
|
| +template <class _Tp>
|
| +inline _LIBCPP_INLINE_VISIBILITY
|
| +dynarray<_Tp>::dynarray(const dynarray& __d) : dynarray ()
|
| +{
|
| + size_t sz = __d.size();
|
| + __base_ = __allocate (sz);
|
| + value_type *__data = data ();
|
| + auto src = __d.begin();
|
| + for ( __size_ = 0; __size_ < sz; ++__size_, ++__data, ++src )
|
| + ::new (__data) value_type (*src);
|
| +}
|
| +
|
| +template <class _Tp>
|
| +inline _LIBCPP_INLINE_VISIBILITY
|
| +dynarray<_Tp>::~dynarray()
|
| +{
|
| + value_type *__data = data () + __size_;
|
| + for ( size_t i = 0; i < __size_; ++i )
|
| + (--__data)->value_type::~value_type();
|
| + __deallocate ( __base_ );
|
| +}
|
| +
|
| +template <class _Tp>
|
| +inline _LIBCPP_INLINE_VISIBILITY
|
| +typename dynarray<_Tp>::reference
|
| +dynarray<_Tp>::at(size_type __n)
|
| +{
|
| + if (__n >= __size_)
|
| + {
|
| +#ifndef _LIBCPP_NO_EXCEPTIONS
|
| + throw out_of_range("dynarray::at");
|
| +#else
|
| + assert(!"dynarray::at out_of_range");
|
| +#endif
|
| + }
|
| + return data()[__n];
|
| +}
|
| +
|
| +template <class _Tp>
|
| +inline _LIBCPP_INLINE_VISIBILITY
|
| +typename dynarray<_Tp>::const_reference
|
| +dynarray<_Tp>::at(size_type __n) const
|
| +{
|
| + if (__n >= __size_)
|
| + {
|
| +#ifndef _LIBCPP_NO_EXCEPTIONS
|
| + throw out_of_range("dynarray::at");
|
| +#else
|
| + assert(!"dynarray::at out_of_range");
|
| +#endif
|
| + }
|
| + return data()[__n];
|
| +}
|
| +
|
| +template <class _Tp, class _Alloc>
|
| +struct _LIBCPP_TYPE_VIS_ONLY uses_allocator<dynarray<_Tp>, _Alloc> : true_type {};
|
| +
|
| +_LIBCPP_END_NAMESPACE_STD
|
| +
|
| +#endif // if _LIBCPP_STD_VER > 11
|
| +#endif // _LIBCPP_DYNARRAY
|
|
|