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 |