memory revision 232950
1227825Stheraven// -*- C++ -*- 2227825Stheraven//===-------------------------- memory ------------------------------------===// 3227825Stheraven// 4227825Stheraven// The LLVM Compiler Infrastructure 5227825Stheraven// 6227825Stheraven// This file is dual licensed under the MIT and the University of Illinois Open 7227825Stheraven// Source Licenses. See LICENSE.TXT for details. 8227825Stheraven// 9227825Stheraven//===----------------------------------------------------------------------===// 10227825Stheraven 11227825Stheraven#ifndef _LIBCPP_MEMORY 12227825Stheraven#define _LIBCPP_MEMORY 13227825Stheraven 14227825Stheraven/* 15227825Stheraven memory synopsis 16227825Stheraven 17227825Stheravennamespace std 18227825Stheraven{ 19227825Stheraven 20227825Stheravenstruct allocator_arg_t { }; 21227825Stheravenconstexpr allocator_arg_t allocator_arg = allocator_arg_t(); 22227825Stheraven 23227825Stheraventemplate <class T, class Alloc> struct uses_allocator; 24227825Stheraven 25227825Stheraventemplate <class Ptr> 26227825Stheravenstruct pointer_traits 27227825Stheraven{ 28227825Stheraven typedef Ptr pointer; 29227825Stheraven typedef <details> element_type; 30227825Stheraven typedef <details> difference_type; 31227825Stheraven 32227825Stheraven template <class U> using rebind = <details>; 33227825Stheraven 34227825Stheraven static pointer pointer_to(<details>); 35227825Stheraven}; 36227825Stheraven 37227825Stheraventemplate <class T> 38227825Stheravenstruct pointer_traits<T*> 39227825Stheraven{ 40227825Stheraven typedef T* pointer; 41227825Stheraven typedef T element_type; 42227825Stheraven typedef ptrdiff_t difference_type; 43227825Stheraven 44227825Stheraven template <class U> using rebind = U*; 45227825Stheraven 46227825Stheraven static pointer pointer_to(<details>) noexcept; 47227825Stheraven}; 48227825Stheraven 49227825Stheraventemplate <class Alloc> 50227825Stheravenstruct allocator_traits 51227825Stheraven{ 52227825Stheraven typedef Alloc allocator_type; 53227825Stheraven typedef typename allocator_type::value_type 54227825Stheraven value_type; 55227825Stheraven 56227825Stheraven typedef Alloc::pointer | value_type* pointer; 57227825Stheraven typedef Alloc::const_pointer 58227825Stheraven | pointer_traits<pointer>::rebind<const value_type> 59227825Stheraven const_pointer; 60227825Stheraven typedef Alloc::void_pointer 61227825Stheraven | pointer_traits<pointer>::rebind<void> 62227825Stheraven void_pointer; 63227825Stheraven typedef Alloc::const_void_pointer 64227825Stheraven | pointer_traits<pointer>::rebind<const void> 65227825Stheraven const_void_pointer; 66227825Stheraven typedef Alloc::difference_type 67227825Stheraven | pointer_traits<pointer>::difference_type 68227825Stheraven difference_type; 69227825Stheraven typedef Alloc::size_type 70227825Stheraven | make_unsigned<difference_type>::type 71227825Stheraven size_type; 72227825Stheraven typedef Alloc::propagate_on_container_copy_assignment 73227825Stheraven | false_type propagate_on_container_copy_assignment; 74227825Stheraven typedef Alloc::propagate_on_container_move_assignment 75227825Stheraven | false_type propagate_on_container_move_assignment; 76227825Stheraven typedef Alloc::propagate_on_container_swap 77227825Stheraven | false_type propagate_on_container_swap; 78227825Stheraven 79227825Stheraven template <class T> using rebind_alloc = Alloc::rebind<U>::other | Alloc<T, Args...>; 80227825Stheraven template <class T> using rebind_traits = allocator_traits<rebind_alloc<T>>; 81227825Stheraven 82227825Stheraven static pointer allocate(allocator_type& a, size_type n); 83227825Stheraven static pointer allocate(allocator_type& a, size_type n, const_void_pointer hint); 84227825Stheraven 85227825Stheraven static void deallocate(allocator_type& a, pointer p, size_type n) noexcept; 86227825Stheraven 87227825Stheraven template <class T, class... Args> 88227825Stheraven static void construct(allocator_type& a, T* p, Args&&... args); 89227825Stheraven 90227825Stheraven template <class T> 91227825Stheraven static void destroy(allocator_type& a, T* p); 92227825Stheraven 93227825Stheraven static size_type max_size(const allocator_type& a); 94227825Stheraven 95227825Stheraven static allocator_type 96227825Stheraven select_on_container_copy_construction(const allocator_type& a); 97227825Stheraven}; 98227825Stheraven 99227825Stheraventemplate <> 100227825Stheravenclass allocator<void> 101227825Stheraven{ 102227825Stheravenpublic: 103227825Stheraven typedef void* pointer; 104227825Stheraven typedef const void* const_pointer; 105227825Stheraven typedef void value_type; 106227825Stheraven 107227825Stheraven template <class _Up> struct rebind {typedef allocator<_Up> other;}; 108227825Stheraven}; 109227825Stheraven 110227825Stheraventemplate <class T> 111227825Stheravenclass allocator 112227825Stheraven{ 113227825Stheravenpublic: 114227825Stheraven typedef size_t size_type; 115227825Stheraven typedef ptrdiff_t difference_type; 116227825Stheraven typedef T* pointer; 117227825Stheraven typedef const T* const_pointer; 118227825Stheraven typedef typename add_lvalue_reference<T>::type reference; 119227825Stheraven typedef typename add_lvalue_reference<const T>::type const_reference; 120227825Stheraven typedef T value_type; 121227825Stheraven 122227825Stheraven template <class U> struct rebind {typedef allocator<U> other;}; 123227825Stheraven 124227825Stheraven allocator() noexcept; 125227825Stheraven allocator(const allocator&) noexcept; 126227825Stheraven template <class U> allocator(const allocator<U>&) noexcept; 127227825Stheraven ~allocator(); 128227825Stheraven pointer address(reference x) const noexcept; 129227825Stheraven const_pointer address(const_reference x) const noexcept; 130227825Stheraven pointer allocate(size_type, allocator<void>::const_pointer hint = 0); 131227825Stheraven void deallocate(pointer p, size_type n) noexcept; 132227825Stheraven size_type max_size() const noexcept; 133227825Stheraven template<class U, class... Args> 134227825Stheraven void construct(U* p, Args&&... args); 135227825Stheraven template <class U> 136227825Stheraven void destroy(U* p); 137227825Stheraven}; 138227825Stheraven 139227825Stheraventemplate <class T, class U> 140227825Stheravenbool operator==(const allocator<T>&, const allocator<U>&) noexcept; 141227825Stheraven 142227825Stheraventemplate <class T, class U> 143227825Stheravenbool operator!=(const allocator<T>&, const allocator<U>&) noexcept; 144227825Stheraven 145227825Stheraventemplate <class OutputIterator, class T> 146227825Stheravenclass raw_storage_iterator 147227825Stheraven : public iterator<output_iterator_tag, 148227825Stheraven T, // purposefully not C++03 149227825Stheraven ptrdiff_t, // purposefully not C++03 150227825Stheraven T*, // purposefully not C++03 151227825Stheraven raw_storage_iterator&> // purposefully not C++03 152227825Stheraven{ 153227825Stheravenpublic: 154227825Stheraven explicit raw_storage_iterator(OutputIterator x); 155227825Stheraven raw_storage_iterator& operator*(); 156227825Stheraven raw_storage_iterator& operator=(const T& element); 157227825Stheraven raw_storage_iterator& operator++(); 158227825Stheraven raw_storage_iterator operator++(int); 159227825Stheraven}; 160227825Stheraven 161227825Stheraventemplate <class T> pair<T*,ptrdiff_t> get_temporary_buffer(ptrdiff_t n) noexcept; 162227825Stheraventemplate <class T> void return_temporary_buffer(T* p) noexcept; 163227825Stheraven 164227825Stheraventemplate <class T> T* addressof(T& r) noexcept; 165227825Stheraven 166227825Stheraventemplate <class InputIterator, class ForwardIterator> 167227825StheravenForwardIterator 168227825Stheravenuninitialized_copy(InputIterator first, InputIterator last, ForwardIterator result); 169227825Stheraven 170227825Stheraventemplate <class InputIterator, class Size, class ForwardIterator> 171227825StheravenForwardIterator 172227825Stheravenuninitialized_copy_n(InputIterator first, Size n, ForwardIterator result); 173227825Stheraven 174227825Stheraventemplate <class ForwardIterator, class T> 175227825Stheravenvoid uninitialized_fill(ForwardIterator first, ForwardIterator last, const T& x); 176227825Stheraven 177227825Stheraventemplate <class ForwardIterator, class Size, class T> 178227825StheravenForwardIterator 179227825Stheravenuninitialized_fill_n(ForwardIterator first, Size n, const T& x); 180227825Stheraven 181227825Stheraventemplate <class Y> struct auto_ptr_ref {}; 182227825Stheraven 183227825Stheraventemplate<class X> 184227825Stheravenclass auto_ptr 185227825Stheraven{ 186227825Stheravenpublic: 187227825Stheraven typedef X element_type; 188227825Stheraven 189227825Stheraven explicit auto_ptr(X* p =0) throw(); 190227825Stheraven auto_ptr(auto_ptr&) throw(); 191227825Stheraven template<class Y> auto_ptr(auto_ptr<Y>&) throw(); 192227825Stheraven auto_ptr& operator=(auto_ptr&) throw(); 193227825Stheraven template<class Y> auto_ptr& operator=(auto_ptr<Y>&) throw(); 194227825Stheraven auto_ptr& operator=(auto_ptr_ref<X> r) throw(); 195227825Stheraven ~auto_ptr() throw(); 196227825Stheraven 197227825Stheraven typename add_lvalue_reference<X>::type operator*() const throw(); 198227825Stheraven X* operator->() const throw(); 199227825Stheraven X* get() const throw(); 200227825Stheraven X* release() throw(); 201227825Stheraven void reset(X* p =0) throw(); 202227825Stheraven 203227825Stheraven auto_ptr(auto_ptr_ref<X>) throw(); 204227825Stheraven template<class Y> operator auto_ptr_ref<Y>() throw(); 205227825Stheraven template<class Y> operator auto_ptr<Y>() throw(); 206227825Stheraven}; 207227825Stheraven 208227825Stheraventemplate <class T> 209227825Stheravenstruct default_delete 210227825Stheraven{ 211227825Stheraven constexpr default_delete() noexcept = default; 212227825Stheraven template <class U> default_delete(const default_delete<U>&) noexcept; 213227825Stheraven 214227825Stheraven void operator()(T*) const noexcept; 215227825Stheraven}; 216227825Stheraven 217227825Stheraventemplate <class T> 218227825Stheravenstruct default_delete<T[]> 219227825Stheraven{ 220227825Stheraven constexpr default_delete() noexcept = default; 221227825Stheraven void operator()(T*) const noexcept; 222227825Stheraven template <class U> void operator()(U*) const = delete; 223227825Stheraven}; 224227825Stheraven 225227825Stheraventemplate <class T, class D = default_delete<T>> 226227825Stheravenclass unique_ptr 227227825Stheraven{ 228227825Stheravenpublic: 229227825Stheraven typedef see below pointer; 230227825Stheraven typedef T element_type; 231227825Stheraven typedef D deleter_type; 232227825Stheraven 233227825Stheraven // constructors 234227825Stheraven constexpr unique_ptr() noexcept; 235227825Stheraven explicit unique_ptr(pointer p) noexcept; 236227825Stheraven unique_ptr(pointer p, see below d1) noexcept; 237227825Stheraven unique_ptr(pointer p, see below d2) noexcept; 238227825Stheraven unique_ptr(unique_ptr&& u) noexcept; 239227825Stheraven unique_ptr(nullptr_t) noexcept : unique_ptr() { } 240227825Stheraven template <class U, class E> 241227825Stheraven unique_ptr(unique_ptr<U, E>&& u) noexcept; 242227825Stheraven template <class U> 243227825Stheraven unique_ptr(auto_ptr<U>&& u) noexcept; 244227825Stheraven 245227825Stheraven // destructor 246227825Stheraven ~unique_ptr(); 247227825Stheraven 248227825Stheraven // assignment 249227825Stheraven unique_ptr& operator=(unique_ptr&& u) noexcept; 250227825Stheraven template <class U, class E> unique_ptr& operator=(unique_ptr<U, E>&& u) noexcept; 251227825Stheraven unique_ptr& operator=(nullptr_t) noexcept; 252227825Stheraven 253227825Stheraven // observers 254227825Stheraven typename add_lvalue_reference<T>::type operator*() const; 255227825Stheraven pointer operator->() const noexcept; 256227825Stheraven pointer get() const noexcept; 257227825Stheraven deleter_type& get_deleter() noexcept; 258227825Stheraven const deleter_type& get_deleter() const noexcept; 259227825Stheraven explicit operator bool() const noexcept; 260227825Stheraven 261227825Stheraven // modifiers 262227825Stheraven pointer release() noexcept; 263227825Stheraven void reset(pointer p = pointer()) noexcept; 264227825Stheraven void swap(unique_ptr& u) noexcept; 265227825Stheraven}; 266227825Stheraven 267227825Stheraventemplate <class T, class D> 268227825Stheravenclass unique_ptr<T[], D> 269227825Stheraven{ 270227825Stheravenpublic: 271227825Stheraven typedef implementation-defined pointer; 272227825Stheraven typedef T element_type; 273227825Stheraven typedef D deleter_type; 274227825Stheraven 275227825Stheraven // constructors 276227825Stheraven constexpr unique_ptr() noexcept; 277227825Stheraven explicit unique_ptr(pointer p) noexcept; 278227825Stheraven unique_ptr(pointer p, see below d) noexcept; 279227825Stheraven unique_ptr(pointer p, see below d) noexcept; 280227825Stheraven unique_ptr(unique_ptr&& u) noexcept; 281227825Stheraven unique_ptr(nullptr_t) noexcept : unique_ptr() { } 282227825Stheraven 283227825Stheraven // destructor 284227825Stheraven ~unique_ptr(); 285227825Stheraven 286227825Stheraven // assignment 287227825Stheraven unique_ptr& operator=(unique_ptr&& u) noexcept; 288227825Stheraven unique_ptr& operator=(nullptr_t) noexcept; 289227825Stheraven 290227825Stheraven // observers 291227825Stheraven T& operator[](size_t i) const; 292227825Stheraven pointer get() const noexcept; 293227825Stheraven deleter_type& get_deleter() noexcept; 294227825Stheraven const deleter_type& get_deleter() const noexcept; 295227825Stheraven explicit operator bool() const noexcept; 296227825Stheraven 297227825Stheraven // modifiers 298227825Stheraven pointer release() noexcept; 299227825Stheraven void reset(pointer p = pointer()) noexcept; 300227825Stheraven void reset(nullptr_t) noexcept; 301227825Stheraven template <class U> void reset(U) = delete; 302227825Stheraven void swap(unique_ptr& u) noexcept; 303227825Stheraven}; 304227825Stheraven 305227825Stheraventemplate <class T, class D> 306227825Stheraven void swap(unique_ptr<T, D>& x, unique_ptr<T, D>& y) noexcept; 307227825Stheraven 308227825Stheraventemplate <class T1, class D1, class T2, class D2> 309227825Stheraven bool operator==(const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y); 310227825Stheraventemplate <class T1, class D1, class T2, class D2> 311227825Stheraven bool operator!=(const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y); 312227825Stheraventemplate <class T1, class D1, class T2, class D2> 313227825Stheraven bool operator<(const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y); 314227825Stheraventemplate <class T1, class D1, class T2, class D2> 315227825Stheraven bool operator<=(const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y); 316227825Stheraventemplate <class T1, class D1, class T2, class D2> 317227825Stheraven bool operator>(const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y); 318227825Stheraventemplate <class T1, class D1, class T2, class D2> 319227825Stheraven bool operator>=(const unique_ptr<T1, D1>& x, const unique_ptr<T2, D2>& y); 320227825Stheraven 321227825Stheraventemplate <class T, class D> 322227825Stheraven bool operator==(const unique_ptr<T, D>& x, nullptr_t) noexcept; 323227825Stheraventemplate <class T, class D> 324227825Stheraven bool operator==(nullptr_t, const unique_ptr<T, D>& y) noexcept; 325227825Stheraventemplate <class T, class D> 326227825Stheraven bool operator!=(const unique_ptr<T, D>& x, nullptr_t) noexcept; 327227825Stheraventemplate <class T, class D> 328227825Stheraven bool operator!=(nullptr_t, const unique_ptr<T, D>& y) noexcept; 329227825Stheraven 330227825Stheraventemplate <class T, class D> 331227825Stheraven bool operator<(const unique_ptr<T, D>& x, nullptr_t); 332227825Stheraventemplate <class T, class D> 333227825Stheraven bool operator<(nullptr_t, const unique_ptr<T, D>& y); 334227825Stheraventemplate <class T, class D> 335227825Stheraven bool operator<=(const unique_ptr<T, D>& x, nullptr_t); 336227825Stheraventemplate <class T, class D> 337227825Stheraven bool operator<=(nullptr_t, const unique_ptr<T, D>& y); 338227825Stheraventemplate <class T, class D> 339227825Stheraven bool operator>(const unique_ptr<T, D>& x, nullptr_t); 340227825Stheraventemplate <class T, class D> 341227825Stheraven bool operator>(nullptr_t, const unique_ptr<T, D>& y); 342227825Stheraventemplate <class T, class D> 343227825Stheraven bool operator>=(const unique_ptr<T, D>& x, nullptr_t); 344227825Stheraventemplate <class T, class D> 345227825Stheraven bool operator>=(nullptr_t, const unique_ptr<T, D>& y); 346227825Stheraven 347227825Stheravenclass bad_weak_ptr 348227825Stheraven : public std::exception 349227825Stheraven{ 350227825Stheraven bad_weak_ptr() noexcept; 351227825Stheraven}; 352227825Stheraven 353227825Stheraventemplate<class T> 354227825Stheravenclass shared_ptr 355227825Stheraven{ 356227825Stheravenpublic: 357227825Stheraven typedef T element_type; 358227825Stheraven 359227825Stheraven // constructors: 360227825Stheraven constexpr shared_ptr() noexcept; 361227825Stheraven template<class Y> explicit shared_ptr(Y* p); 362227825Stheraven template<class Y, class D> shared_ptr(Y* p, D d); 363227825Stheraven template<class Y, class D, class A> shared_ptr(Y* p, D d, A a); 364227825Stheraven template <class D> shared_ptr(nullptr_t p, D d); 365227825Stheraven template <class D, class A> shared_ptr(nullptr_t p, D d, A a); 366227825Stheraven template<class Y> shared_ptr(const shared_ptr<Y>& r, T *p) noexcept; 367227825Stheraven shared_ptr(const shared_ptr& r) noexcept; 368227825Stheraven template<class Y> shared_ptr(const shared_ptr<Y>& r) noexcept; 369227825Stheraven shared_ptr(shared_ptr&& r) noexcept; 370227825Stheraven template<class Y> shared_ptr(shared_ptr<Y>&& r) noexcept; 371227825Stheraven template<class Y> explicit shared_ptr(const weak_ptr<Y>& r); 372227825Stheraven template<class Y> shared_ptr(auto_ptr<Y>&& r); 373227825Stheraven template <class Y, class D> shared_ptr(unique_ptr<Y, D>&& r); 374227825Stheraven shared_ptr(nullptr_t) : shared_ptr() { } 375227825Stheraven 376227825Stheraven // destructor: 377227825Stheraven ~shared_ptr(); 378227825Stheraven 379227825Stheraven // assignment: 380227825Stheraven shared_ptr& operator=(const shared_ptr& r) noexcept; 381227825Stheraven template<class Y> shared_ptr& operator=(const shared_ptr<Y>& r) noexcept; 382227825Stheraven shared_ptr& operator=(shared_ptr&& r) noexcept; 383227825Stheraven template<class Y> shared_ptr& operator=(shared_ptr<Y>&& r); 384227825Stheraven template<class Y> shared_ptr& operator=(auto_ptr<Y>&& r); 385227825Stheraven template <class Y, class D> shared_ptr& operator=(unique_ptr<Y, D>&& r); 386227825Stheraven 387227825Stheraven // modifiers: 388227825Stheraven void swap(shared_ptr& r) noexcept; 389227825Stheraven void reset() noexcept; 390227825Stheraven template<class Y> void reset(Y* p); 391227825Stheraven template<class Y, class D> void reset(Y* p, D d); 392227825Stheraven template<class Y, class D, class A> void reset(Y* p, D d, A a); 393227825Stheraven 394227825Stheraven // observers: 395227825Stheraven T* get() const noexcept; 396227825Stheraven T& operator*() const noexcept; 397227825Stheraven T* operator->() const noexcept; 398227825Stheraven long use_count() const noexcept; 399227825Stheraven bool unique() const noexcept; 400227825Stheraven explicit operator bool() const noexcept; 401227825Stheraven template<class U> bool owner_before(shared_ptr<U> const& b) const; 402227825Stheraven template<class U> bool owner_before(weak_ptr<U> const& b) const; 403227825Stheraven}; 404227825Stheraven 405227825Stheraven// shared_ptr comparisons: 406227825Stheraventemplate<class T, class U> 407227825Stheraven bool operator==(shared_ptr<T> const& a, shared_ptr<U> const& b) noexcept; 408227825Stheraventemplate<class T, class U> 409227825Stheraven bool operator!=(shared_ptr<T> const& a, shared_ptr<U> const& b) noexcept; 410227825Stheraventemplate<class T, class U> 411227825Stheraven bool operator<(shared_ptr<T> const& a, shared_ptr<U> const& b) noexcept; 412227825Stheraventemplate<class T, class U> 413227825Stheraven bool operator>(shared_ptr<T> const& a, shared_ptr<U> const& b) noexcept; 414227825Stheraventemplate<class T, class U> 415227825Stheraven bool operator<=(shared_ptr<T> const& a, shared_ptr<U> const& b) noexcept; 416227825Stheraventemplate<class T, class U> 417227825Stheraven bool operator>=(shared_ptr<T> const& a, shared_ptr<U> const& b) noexcept; 418227825Stheraven 419227825Stheraventemplate <class T> 420227825Stheraven bool operator==(const shared_ptr<T>& x, nullptr_t) noexcept; 421227825Stheraventemplate <class T> 422227825Stheraven bool operator==(nullptr_t, const shared_ptr<T>& y) noexcept; 423227825Stheraventemplate <class T> 424227825Stheraven bool operator!=(const shared_ptr<T>& x, nullptr_t) noexcept; 425227825Stheraventemplate <class T> 426227825Stheraven bool operator!=(nullptr_t, const shared_ptr<T>& y) noexcept; 427227825Stheraventemplate <class T> 428227825Stheraven bool operator<(const shared_ptr<T>& x, nullptr_t) noexcept; 429227825Stheraventemplate <class T> 430227825Stheravenbool operator<(nullptr_t, const shared_ptr<T>& y) noexcept; 431227825Stheraventemplate <class T> 432227825Stheraven bool operator<=(const shared_ptr<T>& x, nullptr_t) noexcept; 433227825Stheraventemplate <class T> 434227825Stheraven bool operator<=(nullptr_t, const shared_ptr<T>& y) noexcept; 435227825Stheraventemplate <class T> 436227825Stheraven bool operator>(const shared_ptr<T>& x, nullptr_t) noexcept; 437227825Stheraventemplate <class T> 438227825Stheraven bool operator>(nullptr_t, const shared_ptr<T>& y) noexcept; 439227825Stheraventemplate <class T> 440227825Stheraven bool operator>=(const shared_ptr<T>& x, nullptr_t) noexcept; 441227825Stheraventemplate <class T> 442227825Stheraven bool operator>=(nullptr_t, const shared_ptr<T>& y) noexcept; 443227825Stheraven 444227825Stheraven// shared_ptr specialized algorithms: 445227825Stheraventemplate<class T> void swap(shared_ptr<T>& a, shared_ptr<T>& b) noexcept; 446227825Stheraven 447227825Stheraven// shared_ptr casts: 448227825Stheraventemplate<class T, class U> 449227825Stheraven shared_ptr<T> static_pointer_cast(shared_ptr<U> const& r) noexcept; 450227825Stheraventemplate<class T, class U> 451227825Stheraven shared_ptr<T> dynamic_pointer_cast(shared_ptr<U> const& r) noexcept; 452227825Stheraventemplate<class T, class U> 453227825Stheraven shared_ptr<T> const_pointer_cast(shared_ptr<U> const& r) noexcept; 454227825Stheraven 455227825Stheraven// shared_ptr I/O: 456227825Stheraventemplate<class E, class T, class Y> 457227825Stheraven basic_ostream<E, T>& operator<< (basic_ostream<E, T>& os, shared_ptr<Y> const& p); 458227825Stheraven 459227825Stheraven// shared_ptr get_deleter: 460227825Stheraventemplate<class D, class T> D* get_deleter(shared_ptr<T> const& p) noexcept; 461227825Stheraven 462227825Stheraventemplate<class T, class... Args> 463227825Stheraven shared_ptr<T> make_shared(Args&&... args); 464227825Stheraventemplate<class T, class A, class... Args> 465227825Stheraven shared_ptr<T> allocate_shared(const A& a, Args&&... args); 466227825Stheraven 467227825Stheraventemplate<class T> 468227825Stheravenclass weak_ptr 469227825Stheraven{ 470227825Stheravenpublic: 471227825Stheraven typedef T element_type; 472227825Stheraven 473227825Stheraven // constructors 474227825Stheraven constexpr weak_ptr() noexcept; 475227825Stheraven template<class Y> weak_ptr(shared_ptr<Y> const& r) noexcept; 476227825Stheraven weak_ptr(weak_ptr const& r) noexcept; 477227825Stheraven template<class Y> weak_ptr(weak_ptr<Y> const& r) noexcept; 478227825Stheraven 479227825Stheraven // destructor 480227825Stheraven ~weak_ptr(); 481227825Stheraven 482227825Stheraven // assignment 483227825Stheraven weak_ptr& operator=(weak_ptr const& r) noexcept; 484227825Stheraven template<class Y> weak_ptr& operator=(weak_ptr<Y> const& r) noexcept; 485227825Stheraven template<class Y> weak_ptr& operator=(shared_ptr<Y> const& r) noexcept; 486227825Stheraven 487227825Stheraven // modifiers 488227825Stheraven void swap(weak_ptr& r) noexcept; 489227825Stheraven void reset() noexcept; 490227825Stheraven 491227825Stheraven // observers 492227825Stheraven long use_count() const noexcept; 493227825Stheraven bool expired() const noexcept; 494227825Stheraven shared_ptr<T> lock() const noexcept; 495227825Stheraven template<class U> bool owner_before(shared_ptr<U> const& b); 496227825Stheraven template<class U> bool owner_before(weak_ptr<U> const& b); 497227825Stheraven}; 498227825Stheraven 499227825Stheraven// weak_ptr specialized algorithms: 500227825Stheraventemplate<class T> void swap(weak_ptr<T>& a, weak_ptr<T>& b) noexcept; 501227825Stheraven 502227825Stheraven// class owner_less: 503227825Stheraventemplate<class T> struct owner_less; 504227825Stheraven 505227825Stheraventemplate<class T> 506227825Stheravenstruct owner_less<shared_ptr<T>> 507227825Stheraven : binary_function<shared_ptr<T>, shared_ptr<T>, bool> 508227825Stheraven{ 509227825Stheraven typedef bool result_type; 510227825Stheraven bool operator()(shared_ptr<T> const&, shared_ptr<T> const&) const; 511227825Stheraven bool operator()(shared_ptr<T> const&, weak_ptr<T> const&) const; 512227825Stheraven bool operator()(weak_ptr<T> const&, shared_ptr<T> const&) const; 513227825Stheraven}; 514227825Stheraven 515227825Stheraventemplate<class T> 516227825Stheravenstruct owner_less<weak_ptr<T>> 517227825Stheraven : binary_function<weak_ptr<T>, weak_ptr<T>, bool> 518227825Stheraven{ 519227825Stheraven typedef bool result_type; 520227825Stheraven bool operator()(weak_ptr<T> const&, weak_ptr<T> const&) const; 521227825Stheraven bool operator()(shared_ptr<T> const&, weak_ptr<T> const&) const; 522227825Stheraven bool operator()(weak_ptr<T> const&, shared_ptr<T> const&) const; 523227825Stheraven}; 524227825Stheraven 525227825Stheraventemplate<class T> 526227825Stheravenclass enable_shared_from_this 527227825Stheraven{ 528227825Stheravenprotected: 529227825Stheraven constexpr enable_shared_from_this() noexcept; 530227825Stheraven enable_shared_from_this(enable_shared_from_this const&) noexcept; 531227825Stheraven enable_shared_from_this& operator=(enable_shared_from_this const&) noexcept; 532227825Stheraven ~enable_shared_from_this(); 533227825Stheravenpublic: 534227825Stheraven shared_ptr<T> shared_from_this(); 535227825Stheraven shared_ptr<T const> shared_from_this() const; 536227825Stheraven}; 537227825Stheraven 538227825Stheraventemplate<class T> 539227825Stheraven bool atomic_is_lock_free(const shared_ptr<T>* p); 540227825Stheraventemplate<class T> 541227825Stheraven shared_ptr<T> atomic_load(const shared_ptr<T>* p); 542227825Stheraventemplate<class T> 543227825Stheraven shared_ptr<T> atomic_load_explicit(const shared_ptr<T>* p, memory_order mo); 544227825Stheraventemplate<class T> 545227825Stheraven void atomic_store(shared_ptr<T>* p, shared_ptr<T> r); 546227825Stheraventemplate<class T> 547227825Stheraven void atomic_store_explicit(shared_ptr<T>* p, shared_ptr<T> r, memory_order mo); 548227825Stheraventemplate<class T> 549227825Stheraven shared_ptr<T> atomic_exchange(shared_ptr<T>* p, shared_ptr<T> r); 550227825Stheraventemplate<class T> 551227825Stheraven shared_ptr<T> 552227825Stheraven atomic_exchange_explicit(shared_ptr<T>* p, shared_ptr<T> r, memory_order mo); 553227825Stheraventemplate<class T> 554227825Stheraven bool 555227825Stheraven atomic_compare_exchange_weak(shared_ptr<T>* p, shared_ptr<T>* v, shared_ptr<T> w); 556227825Stheraventemplate<class T> 557227825Stheraven bool 558227825Stheraven atomic_compare_exchange_strong( shared_ptr<T>* p, shared_ptr<T>* v, shared_ptr<T> w); 559227825Stheraventemplate<class T> 560227825Stheraven bool 561227825Stheraven atomic_compare_exchange_weak_explicit(shared_ptr<T>* p, shared_ptr<T>* v, 562227825Stheraven shared_ptr<T> w, memory_order success, 563227825Stheraven memory_order failure); 564227825Stheraventemplate<class T> 565227825Stheraven bool 566227825Stheraven atomic_compare_exchange_strong_explicit(shared_ptr<T>* p, shared_ptr<T>* v, 567227825Stheraven shared_ptr<T> w, memory_order success, 568227825Stheraven memory_order failure); 569227825Stheraven// Hash support 570227825Stheraventemplate <class T> struct hash; 571227825Stheraventemplate <class T, class D> struct hash<unique_ptr<T, D> >; 572227825Stheraventemplate <class T> struct hash<shared_ptr<T> >; 573227825Stheraven 574227825Stheraven// Pointer safety 575227825Stheravenenum class pointer_safety { relaxed, preferred, strict }; 576227825Stheravenvoid declare_reachable(void *p); 577227825Stheraventemplate <class T> T *undeclare_reachable(T *p); 578227825Stheravenvoid declare_no_pointers(char *p, size_t n); 579227825Stheravenvoid undeclare_no_pointers(char *p, size_t n); 580227825Stheravenpointer_safety get_pointer_safety() noexcept; 581227825Stheraven 582227825Stheravenvoid* align(size_t alignment, size_t size, void*& ptr, size_t& space); 583227825Stheraven 584227825Stheraven} // std 585227825Stheraven 586227825Stheraven*/ 587227825Stheraven 588227825Stheraven#include <__config> 589227825Stheraven#include <type_traits> 590227825Stheraven#include <typeinfo> 591227825Stheraven#include <cstddef> 592227825Stheraven#include <cstdint> 593227825Stheraven#include <new> 594227825Stheraven#include <utility> 595227825Stheraven#include <limits> 596227825Stheraven#include <iterator> 597227825Stheraven#include <__functional_base> 598227825Stheraven#include <iosfwd> 599232950Stheraven#include <tuple> 600232950Stheraven#include <cstring> 601227825Stheraven#if defined(_LIBCPP_NO_EXCEPTIONS) 602227825Stheraven #include <cassert> 603227825Stheraven#endif 604227825Stheraven 605232950Stheraven#include <__undef_min_max> 606232950Stheraven 607227825Stheraven#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 608227825Stheraven#pragma GCC system_header 609227825Stheraven#endif 610227825Stheraven 611227825Stheraven_LIBCPP_BEGIN_NAMESPACE_STD 612227825Stheraven 613227825Stheraven// addressof 614227825Stheraven 615227825Stheraventemplate <class _Tp> 616227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 617227825Stheraven_Tp* 618227825Stheravenaddressof(_Tp& __x) _NOEXCEPT 619227825Stheraven{ 620227825Stheraven return (_Tp*)&(char&)__x; 621227825Stheraven} 622227825Stheraven 623227825Stheraven#if defined(_LIBCPP_HAS_OBJC_ARC) && !defined(_LIBCPP_PREDEFINED_OBJC_ARC_ADDRESSOF) 624227825Stheraven// Objective-C++ Automatic Reference Counting uses qualified pointers 625227825Stheraven// that require special addressof() signatures. When 626227825Stheraven// _LIBCPP_PREDEFINED_OBJC_ARC_ADDRESSOF is defined, the compiler 627227825Stheraven// itself is providing these definitions. Otherwise, we provide them. 628227825Stheraventemplate <class _Tp> 629227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 630227825Stheraven__strong _Tp* 631227825Stheravenaddressof(__strong _Tp& __x) _NOEXCEPT 632227825Stheraven{ 633227825Stheraven return &__x; 634227825Stheraven} 635227825Stheraven 636227825Stheraven#ifdef _LIBCPP_HAS_OBJC_ARC_WEAK 637227825Stheraventemplate <class _Tp> 638227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 639227825Stheraven__weak _Tp* 640227825Stheravenaddressof(__weak _Tp& __x) _NOEXCEPT 641227825Stheraven{ 642227825Stheraven return &__x; 643227825Stheraven} 644227825Stheraven#endif 645227825Stheraven 646227825Stheraventemplate <class _Tp> 647227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 648227825Stheraven__autoreleasing _Tp* 649227825Stheravenaddressof(__autoreleasing _Tp& __x) _NOEXCEPT 650227825Stheraven{ 651227825Stheraven return &__x; 652227825Stheraven} 653227825Stheraven 654227825Stheraventemplate <class _Tp> 655227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 656227825Stheraven__unsafe_unretained _Tp* 657227825Stheravenaddressof(__unsafe_unretained _Tp& __x) _NOEXCEPT 658227825Stheraven{ 659227825Stheraven return &__x; 660227825Stheraven} 661227825Stheraven#endif 662227825Stheraven 663227825Stheraventemplate <class _Tp> class allocator; 664227825Stheraven 665227825Stheraventemplate <> 666227825Stheravenclass _LIBCPP_VISIBLE allocator<void> 667227825Stheraven{ 668227825Stheravenpublic: 669227825Stheraven typedef void* pointer; 670227825Stheraven typedef const void* const_pointer; 671227825Stheraven typedef void value_type; 672227825Stheraven 673227825Stheraven template <class _Up> struct rebind {typedef allocator<_Up> other;}; 674227825Stheraven}; 675227825Stheraven 676232950Stheraventemplate <> 677232950Stheravenclass _LIBCPP_VISIBLE allocator<const void> 678232950Stheraven{ 679232950Stheravenpublic: 680232950Stheraven typedef const void* pointer; 681232950Stheraven typedef const void* const_pointer; 682232950Stheraven typedef const void value_type; 683232950Stheraven 684232950Stheraven template <class _Up> struct rebind {typedef allocator<_Up> other;}; 685232950Stheraven}; 686232950Stheraven 687227825Stheraven// pointer_traits 688227825Stheraven 689227825Stheraventemplate <class _Tp> 690227825Stheravenstruct __has_element_type 691227825Stheraven{ 692227825Stheravenprivate: 693227825Stheraven struct __two {char _; char __;}; 694227825Stheraven template <class _Up> static __two __test(...); 695227825Stheraven template <class _Up> static char __test(typename _Up::element_type* = 0); 696227825Stheravenpublic: 697227825Stheraven static const bool value = sizeof(__test<_Tp>(0)) == 1; 698227825Stheraven}; 699227825Stheraven 700227825Stheraventemplate <class _Ptr, bool = __has_element_type<_Ptr>::value> 701227825Stheravenstruct __pointer_traits_element_type; 702227825Stheraven 703227825Stheraventemplate <class _Ptr> 704227825Stheravenstruct __pointer_traits_element_type<_Ptr, true> 705227825Stheraven{ 706227825Stheraven typedef typename _Ptr::element_type type; 707227825Stheraven}; 708227825Stheraven 709227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 710227825Stheraven 711227825Stheraventemplate <template <class, class...> class _Sp, class _Tp, class ..._Args> 712227825Stheravenstruct __pointer_traits_element_type<_Sp<_Tp, _Args...>, true> 713227825Stheraven{ 714227825Stheraven typedef typename _Sp<_Tp, _Args...>::element_type type; 715227825Stheraven}; 716227825Stheraven 717227825Stheraventemplate <template <class, class...> class _Sp, class _Tp, class ..._Args> 718227825Stheravenstruct __pointer_traits_element_type<_Sp<_Tp, _Args...>, false> 719227825Stheraven{ 720227825Stheraven typedef _Tp type; 721227825Stheraven}; 722227825Stheraven 723227825Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 724227825Stheraven 725227825Stheraventemplate <template <class> class _Sp, class _Tp> 726227825Stheravenstruct __pointer_traits_element_type<_Sp<_Tp>, true> 727227825Stheraven{ 728227825Stheraven typedef typename _Sp<_Tp>::element_type type; 729227825Stheraven}; 730227825Stheraven 731227825Stheraventemplate <template <class> class _Sp, class _Tp> 732227825Stheravenstruct __pointer_traits_element_type<_Sp<_Tp>, false> 733227825Stheraven{ 734227825Stheraven typedef _Tp type; 735227825Stheraven}; 736227825Stheraven 737227825Stheraventemplate <template <class, class> class _Sp, class _Tp, class _A0> 738227825Stheravenstruct __pointer_traits_element_type<_Sp<_Tp, _A0>, true> 739227825Stheraven{ 740227825Stheraven typedef typename _Sp<_Tp, _A0>::element_type type; 741227825Stheraven}; 742227825Stheraven 743227825Stheraventemplate <template <class, class> class _Sp, class _Tp, class _A0> 744227825Stheravenstruct __pointer_traits_element_type<_Sp<_Tp, _A0>, false> 745227825Stheraven{ 746227825Stheraven typedef _Tp type; 747227825Stheraven}; 748227825Stheraven 749227825Stheraventemplate <template <class, class, class> class _Sp, class _Tp, class _A0, class _A1> 750227825Stheravenstruct __pointer_traits_element_type<_Sp<_Tp, _A0, _A1>, true> 751227825Stheraven{ 752227825Stheraven typedef typename _Sp<_Tp, _A0, _A1>::element_type type; 753227825Stheraven}; 754227825Stheraven 755227825Stheraventemplate <template <class, class, class> class _Sp, class _Tp, class _A0, class _A1> 756227825Stheravenstruct __pointer_traits_element_type<_Sp<_Tp, _A0, _A1>, false> 757227825Stheraven{ 758227825Stheraven typedef _Tp type; 759227825Stheraven}; 760227825Stheraven 761227825Stheraventemplate <template <class, class, class, class> class _Sp, class _Tp, class _A0, 762227825Stheraven class _A1, class _A2> 763227825Stheravenstruct __pointer_traits_element_type<_Sp<_Tp, _A0, _A1, _A2>, true> 764227825Stheraven{ 765227825Stheraven typedef typename _Sp<_Tp, _A0, _A1, _A2>::element_type type; 766227825Stheraven}; 767227825Stheraven 768227825Stheraventemplate <template <class, class, class, class> class _Sp, class _Tp, class _A0, 769227825Stheraven class _A1, class _A2> 770227825Stheravenstruct __pointer_traits_element_type<_Sp<_Tp, _A0, _A1, _A2>, false> 771227825Stheraven{ 772227825Stheraven typedef _Tp type; 773227825Stheraven}; 774227825Stheraven 775227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 776227825Stheraven 777227825Stheraventemplate <class _Tp> 778227825Stheravenstruct __has_difference_type 779227825Stheraven{ 780227825Stheravenprivate: 781227825Stheraven struct __two {char _; char __;}; 782227825Stheraven template <class _Up> static __two __test(...); 783227825Stheraven template <class _Up> static char __test(typename _Up::difference_type* = 0); 784227825Stheravenpublic: 785227825Stheraven static const bool value = sizeof(__test<_Tp>(0)) == 1; 786227825Stheraven}; 787227825Stheraven 788227825Stheraventemplate <class _Ptr, bool = __has_difference_type<_Ptr>::value> 789227825Stheravenstruct __pointer_traits_difference_type 790227825Stheraven{ 791227825Stheraven typedef ptrdiff_t type; 792227825Stheraven}; 793227825Stheraven 794227825Stheraventemplate <class _Ptr> 795227825Stheravenstruct __pointer_traits_difference_type<_Ptr, true> 796227825Stheraven{ 797227825Stheraven typedef typename _Ptr::difference_type type; 798227825Stheraven}; 799227825Stheraven 800227825Stheraventemplate <class _Tp, class _Up> 801227825Stheravenstruct __has_rebind 802227825Stheraven{ 803227825Stheravenprivate: 804227825Stheraven struct __two {char _; char __;}; 805227825Stheraven template <class _Xp> static __two __test(...); 806227825Stheraven template <class _Xp> static char __test(typename _Xp::template rebind<_Up>* = 0); 807227825Stheravenpublic: 808227825Stheraven static const bool value = sizeof(__test<_Tp>(0)) == 1; 809227825Stheraven}; 810227825Stheraven 811227825Stheraventemplate <class _Tp, class _Up, bool = __has_rebind<_Tp, _Up>::value> 812227825Stheravenstruct __pointer_traits_rebind 813227825Stheraven{ 814227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 815227825Stheraven typedef typename _Tp::template rebind<_Up> type; 816227825Stheraven#else 817227825Stheraven typedef typename _Tp::template rebind<_Up>::other type; 818227825Stheraven#endif 819227825Stheraven}; 820227825Stheraven 821227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 822227825Stheraven 823227825Stheraventemplate <template <class, class...> class _Sp, class _Tp, class ..._Args, class _Up> 824227825Stheravenstruct __pointer_traits_rebind<_Sp<_Tp, _Args...>, _Up, true> 825227825Stheraven{ 826227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 827227825Stheraven typedef typename _Sp<_Tp, _Args...>::template rebind<_Up> type; 828227825Stheraven#else 829227825Stheraven typedef typename _Sp<_Tp, _Args...>::template rebind<_Up>::other type; 830227825Stheraven#endif 831227825Stheraven}; 832227825Stheraven 833227825Stheraventemplate <template <class, class...> class _Sp, class _Tp, class ..._Args, class _Up> 834227825Stheravenstruct __pointer_traits_rebind<_Sp<_Tp, _Args...>, _Up, false> 835227825Stheraven{ 836227825Stheraven typedef _Sp<_Up, _Args...> type; 837227825Stheraven}; 838227825Stheraven 839227825Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 840227825Stheraven 841227825Stheraventemplate <template <class> class _Sp, class _Tp, class _Up> 842227825Stheravenstruct __pointer_traits_rebind<_Sp<_Tp>, _Up, true> 843227825Stheraven{ 844227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 845227825Stheraven typedef typename _Sp<_Tp>::template rebind<_Up> type; 846227825Stheraven#else 847227825Stheraven typedef typename _Sp<_Tp>::template rebind<_Up>::other type; 848227825Stheraven#endif 849227825Stheraven}; 850227825Stheraven 851227825Stheraventemplate <template <class> class _Sp, class _Tp, class _Up> 852227825Stheravenstruct __pointer_traits_rebind<_Sp<_Tp>, _Up, false> 853227825Stheraven{ 854227825Stheraven typedef _Sp<_Up> type; 855227825Stheraven}; 856227825Stheraven 857227825Stheraventemplate <template <class, class> class _Sp, class _Tp, class _A0, class _Up> 858227825Stheravenstruct __pointer_traits_rebind<_Sp<_Tp, _A0>, _Up, true> 859227825Stheraven{ 860227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 861227825Stheraven typedef typename _Sp<_Tp, _A0>::template rebind<_Up> type; 862227825Stheraven#else 863227825Stheraven typedef typename _Sp<_Tp, _A0>::template rebind<_Up>::other type; 864227825Stheraven#endif 865227825Stheraven}; 866227825Stheraven 867227825Stheraventemplate <template <class, class> class _Sp, class _Tp, class _A0, class _Up> 868227825Stheravenstruct __pointer_traits_rebind<_Sp<_Tp, _A0>, _Up, false> 869227825Stheraven{ 870227825Stheraven typedef _Sp<_Up, _A0> type; 871227825Stheraven}; 872227825Stheraven 873227825Stheraventemplate <template <class, class, class> class _Sp, class _Tp, class _A0, 874227825Stheraven class _A1, class _Up> 875227825Stheravenstruct __pointer_traits_rebind<_Sp<_Tp, _A0, _A1>, _Up, true> 876227825Stheraven{ 877227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 878227825Stheraven typedef typename _Sp<_Tp, _A0, _A1>::template rebind<_Up> type; 879227825Stheraven#else 880227825Stheraven typedef typename _Sp<_Tp, _A0, _A1>::template rebind<_Up>::other type; 881227825Stheraven#endif 882227825Stheraven}; 883227825Stheraven 884227825Stheraventemplate <template <class, class, class> class _Sp, class _Tp, class _A0, 885227825Stheraven class _A1, class _Up> 886227825Stheravenstruct __pointer_traits_rebind<_Sp<_Tp, _A0, _A1>, _Up, false> 887227825Stheraven{ 888227825Stheraven typedef _Sp<_Up, _A0, _A1> type; 889227825Stheraven}; 890227825Stheraven 891227825Stheraventemplate <template <class, class, class, class> class _Sp, class _Tp, class _A0, 892227825Stheraven class _A1, class _A2, class _Up> 893227825Stheravenstruct __pointer_traits_rebind<_Sp<_Tp, _A0, _A1, _A2>, _Up, true> 894227825Stheraven{ 895227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 896227825Stheraven typedef typename _Sp<_Tp, _A0, _A1, _A2>::template rebind<_Up> type; 897227825Stheraven#else 898227825Stheraven typedef typename _Sp<_Tp, _A0, _A1, _A2>::template rebind<_Up>::other type; 899227825Stheraven#endif 900227825Stheraven}; 901227825Stheraven 902227825Stheraventemplate <template <class, class, class, class> class _Sp, class _Tp, class _A0, 903227825Stheraven class _A1, class _A2, class _Up> 904227825Stheravenstruct __pointer_traits_rebind<_Sp<_Tp, _A0, _A1, _A2>, _Up, false> 905227825Stheraven{ 906227825Stheraven typedef _Sp<_Up, _A0, _A1, _A2> type; 907227825Stheraven}; 908227825Stheraven 909227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 910227825Stheraven 911227825Stheraventemplate <class _Ptr> 912227825Stheravenstruct _LIBCPP_VISIBLE pointer_traits 913227825Stheraven{ 914227825Stheraven typedef _Ptr pointer; 915227825Stheraven typedef typename __pointer_traits_element_type<pointer>::type element_type; 916227825Stheraven typedef typename __pointer_traits_difference_type<pointer>::type difference_type; 917227825Stheraven 918227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 919227825Stheraven template <class _Up> using rebind = typename __pointer_traits_rebind<pointer, _Up>::type; 920227825Stheraven#else 921227825Stheraven template <class _Up> struct rebind 922227825Stheraven {typedef typename __pointer_traits_rebind<pointer, _Up>::type other;}; 923227825Stheraven#endif // _LIBCPP_HAS_NO_TEMPLATE_ALIASES 924227825Stheraven 925227825Stheravenprivate: 926227825Stheraven struct __nat {}; 927227825Stheravenpublic: 928227825Stheraven _LIBCPP_INLINE_VISIBILITY 929227825Stheraven static pointer pointer_to(typename conditional<is_void<element_type>::value, 930227825Stheraven __nat, element_type>::type& __r) 931227825Stheraven {return pointer::pointer_to(__r);} 932227825Stheraven}; 933227825Stheraven 934227825Stheraventemplate <class _Tp> 935227825Stheravenstruct _LIBCPP_VISIBLE pointer_traits<_Tp*> 936227825Stheraven{ 937227825Stheraven typedef _Tp* pointer; 938227825Stheraven typedef _Tp element_type; 939227825Stheraven typedef ptrdiff_t difference_type; 940227825Stheraven 941227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 942227825Stheraven template <class _Up> using rebind = _Up*; 943227825Stheraven#else 944227825Stheraven template <class _Up> struct rebind {typedef _Up* other;}; 945227825Stheraven#endif 946227825Stheraven 947227825Stheravenprivate: 948227825Stheraven struct __nat {}; 949227825Stheravenpublic: 950227825Stheraven _LIBCPP_INLINE_VISIBILITY 951227825Stheraven static pointer pointer_to(typename conditional<is_void<element_type>::value, 952227825Stheraven __nat, element_type>::type& __r) _NOEXCEPT 953227825Stheraven {return _VSTD::addressof(__r);} 954227825Stheraven}; 955227825Stheraven 956227825Stheraven// allocator_traits 957227825Stheraven 958227825Stheravennamespace __has_pointer_type_imp 959227825Stheraven{ 960227825Stheraven template <class _Up> static __two test(...); 961227825Stheraven template <class _Up> static char test(typename _Up::pointer* = 0); 962227825Stheraven} 963227825Stheraven 964227825Stheraventemplate <class _Tp> 965227825Stheravenstruct __has_pointer_type 966227825Stheraven : public integral_constant<bool, sizeof(__has_pointer_type_imp::test<_Tp>(0)) == 1> 967227825Stheraven{ 968227825Stheraven}; 969227825Stheraven 970227825Stheravennamespace __pointer_type_imp 971227825Stheraven{ 972227825Stheraven 973227825Stheraventemplate <class _Tp, class _Dp, bool = __has_pointer_type<_Dp>::value> 974227825Stheravenstruct __pointer_type 975227825Stheraven{ 976227825Stheraven typedef typename _Dp::pointer type; 977227825Stheraven}; 978227825Stheraven 979227825Stheraventemplate <class _Tp, class _Dp> 980227825Stheravenstruct __pointer_type<_Tp, _Dp, false> 981227825Stheraven{ 982227825Stheraven typedef _Tp* type; 983227825Stheraven}; 984227825Stheraven 985227825Stheraven} // __pointer_type_imp 986227825Stheraven 987227825Stheraventemplate <class _Tp, class _Dp> 988227825Stheravenstruct __pointer_type 989227825Stheraven{ 990227825Stheraven typedef typename __pointer_type_imp::__pointer_type<_Tp, typename remove_reference<_Dp>::type>::type type; 991227825Stheraven}; 992227825Stheraven 993227825Stheraventemplate <class _Tp> 994227825Stheravenstruct __has_const_pointer 995227825Stheraven{ 996227825Stheravenprivate: 997227825Stheraven struct __two {char _; char __;}; 998227825Stheraven template <class _Up> static __two __test(...); 999227825Stheraven template <class _Up> static char __test(typename _Up::const_pointer* = 0); 1000227825Stheravenpublic: 1001227825Stheraven static const bool value = sizeof(__test<_Tp>(0)) == 1; 1002227825Stheraven}; 1003227825Stheraven 1004227825Stheraventemplate <class _Tp, class _Ptr, class _Alloc, bool = __has_const_pointer<_Alloc>::value> 1005227825Stheravenstruct __const_pointer 1006227825Stheraven{ 1007227825Stheraven typedef typename _Alloc::const_pointer type; 1008227825Stheraven}; 1009227825Stheraven 1010227825Stheraventemplate <class _Tp, class _Ptr, class _Alloc> 1011227825Stheravenstruct __const_pointer<_Tp, _Ptr, _Alloc, false> 1012227825Stheraven{ 1013227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 1014227825Stheraven typedef typename pointer_traits<_Ptr>::template rebind<const _Tp> type; 1015227825Stheraven#else 1016227825Stheraven typedef typename pointer_traits<_Ptr>::template rebind<const _Tp>::other type; 1017227825Stheraven#endif 1018227825Stheraven}; 1019227825Stheraven 1020227825Stheraventemplate <class _Tp> 1021227825Stheravenstruct __has_void_pointer 1022227825Stheraven{ 1023227825Stheravenprivate: 1024227825Stheraven struct __two {char _; char __;}; 1025227825Stheraven template <class _Up> static __two __test(...); 1026227825Stheraven template <class _Up> static char __test(typename _Up::void_pointer* = 0); 1027227825Stheravenpublic: 1028227825Stheraven static const bool value = sizeof(__test<_Tp>(0)) == 1; 1029227825Stheraven}; 1030227825Stheraven 1031227825Stheraventemplate <class _Ptr, class _Alloc, bool = __has_void_pointer<_Alloc>::value> 1032227825Stheravenstruct __void_pointer 1033227825Stheraven{ 1034227825Stheraven typedef typename _Alloc::void_pointer type; 1035227825Stheraven}; 1036227825Stheraven 1037227825Stheraventemplate <class _Ptr, class _Alloc> 1038227825Stheravenstruct __void_pointer<_Ptr, _Alloc, false> 1039227825Stheraven{ 1040227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 1041227825Stheraven typedef typename pointer_traits<_Ptr>::template rebind<void> type; 1042227825Stheraven#else 1043227825Stheraven typedef typename pointer_traits<_Ptr>::template rebind<void>::other type; 1044227825Stheraven#endif 1045227825Stheraven}; 1046227825Stheraven 1047227825Stheraventemplate <class _Tp> 1048227825Stheravenstruct __has_const_void_pointer 1049227825Stheraven{ 1050227825Stheravenprivate: 1051227825Stheraven struct __two {char _; char __;}; 1052227825Stheraven template <class _Up> static __two __test(...); 1053227825Stheraven template <class _Up> static char __test(typename _Up::const_void_pointer* = 0); 1054227825Stheravenpublic: 1055227825Stheraven static const bool value = sizeof(__test<_Tp>(0)) == 1; 1056227825Stheraven}; 1057227825Stheraven 1058227825Stheraventemplate <class _Ptr, class _Alloc, bool = __has_const_void_pointer<_Alloc>::value> 1059227825Stheravenstruct __const_void_pointer 1060227825Stheraven{ 1061227825Stheraven typedef typename _Alloc::const_void_pointer type; 1062227825Stheraven}; 1063227825Stheraven 1064227825Stheraventemplate <class _Ptr, class _Alloc> 1065227825Stheravenstruct __const_void_pointer<_Ptr, _Alloc, false> 1066227825Stheraven{ 1067227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 1068227825Stheraven typedef typename pointer_traits<_Ptr>::template rebind<const void> type; 1069227825Stheraven#else 1070227825Stheraven typedef typename pointer_traits<_Ptr>::template rebind<const void>::other type; 1071227825Stheraven#endif 1072227825Stheraven}; 1073227825Stheraven 1074232950Stheraventemplate <class _Tp> 1075227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1076232950Stheraven_Tp* 1077232950Stheraven__to_raw_pointer(_Tp* __p) _NOEXCEPT 1078227825Stheraven{ 1079227825Stheraven return __p; 1080227825Stheraven} 1081227825Stheraven 1082227825Stheraventemplate <class _Pointer> 1083227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1084227825Stheraventypename pointer_traits<_Pointer>::element_type* 1085227825Stheraven__to_raw_pointer(_Pointer __p) _NOEXCEPT 1086227825Stheraven{ 1087227825Stheraven return _VSTD::__to_raw_pointer(__p.operator->()); 1088227825Stheraven} 1089227825Stheraven 1090227825Stheraventemplate <class _Tp> 1091227825Stheravenstruct __has_size_type 1092227825Stheraven{ 1093227825Stheravenprivate: 1094227825Stheraven struct __two {char _; char __;}; 1095227825Stheraven template <class _Up> static __two __test(...); 1096227825Stheraven template <class _Up> static char __test(typename _Up::size_type* = 0); 1097227825Stheravenpublic: 1098227825Stheraven static const bool value = sizeof(__test<_Tp>(0)) == 1; 1099227825Stheraven}; 1100227825Stheraven 1101227825Stheraventemplate <class _Alloc, class _DiffType, bool = __has_size_type<_Alloc>::value> 1102227825Stheravenstruct __size_type 1103227825Stheraven{ 1104227825Stheraven typedef typename make_unsigned<_DiffType>::type type; 1105227825Stheraven}; 1106227825Stheraven 1107227825Stheraventemplate <class _Alloc, class _DiffType> 1108227825Stheravenstruct __size_type<_Alloc, _DiffType, true> 1109227825Stheraven{ 1110227825Stheraven typedef typename _Alloc::size_type type; 1111227825Stheraven}; 1112227825Stheraven 1113227825Stheraventemplate <class _Tp> 1114227825Stheravenstruct __has_propagate_on_container_copy_assignment 1115227825Stheraven{ 1116227825Stheravenprivate: 1117227825Stheraven struct __two {char _; char __;}; 1118227825Stheraven template <class _Up> static __two __test(...); 1119227825Stheraven template <class _Up> static char __test(typename _Up::propagate_on_container_copy_assignment* = 0); 1120227825Stheravenpublic: 1121227825Stheraven static const bool value = sizeof(__test<_Tp>(0)) == 1; 1122227825Stheraven}; 1123227825Stheraven 1124227825Stheraventemplate <class _Alloc, bool = __has_propagate_on_container_copy_assignment<_Alloc>::value> 1125227825Stheravenstruct __propagate_on_container_copy_assignment 1126227825Stheraven{ 1127227825Stheraven typedef false_type type; 1128227825Stheraven}; 1129227825Stheraven 1130227825Stheraventemplate <class _Alloc> 1131227825Stheravenstruct __propagate_on_container_copy_assignment<_Alloc, true> 1132227825Stheraven{ 1133227825Stheraven typedef typename _Alloc::propagate_on_container_copy_assignment type; 1134227825Stheraven}; 1135227825Stheraven 1136227825Stheraventemplate <class _Tp> 1137227825Stheravenstruct __has_propagate_on_container_move_assignment 1138227825Stheraven{ 1139227825Stheravenprivate: 1140227825Stheraven struct __two {char _; char __;}; 1141227825Stheraven template <class _Up> static __two __test(...); 1142227825Stheraven template <class _Up> static char __test(typename _Up::propagate_on_container_move_assignment* = 0); 1143227825Stheravenpublic: 1144227825Stheraven static const bool value = sizeof(__test<_Tp>(0)) == 1; 1145227825Stheraven}; 1146227825Stheraven 1147227825Stheraventemplate <class _Alloc, bool = __has_propagate_on_container_move_assignment<_Alloc>::value> 1148227825Stheravenstruct __propagate_on_container_move_assignment 1149227825Stheraven{ 1150227825Stheraven typedef false_type type; 1151227825Stheraven}; 1152227825Stheraven 1153227825Stheraventemplate <class _Alloc> 1154227825Stheravenstruct __propagate_on_container_move_assignment<_Alloc, true> 1155227825Stheraven{ 1156227825Stheraven typedef typename _Alloc::propagate_on_container_move_assignment type; 1157227825Stheraven}; 1158227825Stheraven 1159227825Stheraventemplate <class _Tp> 1160227825Stheravenstruct __has_propagate_on_container_swap 1161227825Stheraven{ 1162227825Stheravenprivate: 1163227825Stheraven struct __two {char _; char __;}; 1164227825Stheraven template <class _Up> static __two __test(...); 1165227825Stheraven template <class _Up> static char __test(typename _Up::propagate_on_container_swap* = 0); 1166227825Stheravenpublic: 1167227825Stheraven static const bool value = sizeof(__test<_Tp>(0)) == 1; 1168227825Stheraven}; 1169227825Stheraven 1170227825Stheraventemplate <class _Alloc, bool = __has_propagate_on_container_swap<_Alloc>::value> 1171227825Stheravenstruct __propagate_on_container_swap 1172227825Stheraven{ 1173227825Stheraven typedef false_type type; 1174227825Stheraven}; 1175227825Stheraven 1176227825Stheraventemplate <class _Alloc> 1177227825Stheravenstruct __propagate_on_container_swap<_Alloc, true> 1178227825Stheraven{ 1179227825Stheraven typedef typename _Alloc::propagate_on_container_swap type; 1180227825Stheraven}; 1181227825Stheraven 1182227825Stheraventemplate <class _Tp, class _Up, bool = __has_rebind<_Tp, _Up>::value> 1183227825Stheravenstruct __has_rebind_other 1184227825Stheraven{ 1185227825Stheravenprivate: 1186227825Stheraven struct __two {char _; char __;}; 1187227825Stheraven template <class _Xp> static __two __test(...); 1188227825Stheraven template <class _Xp> static char __test(typename _Xp::template rebind<_Up>::other* = 0); 1189227825Stheravenpublic: 1190227825Stheraven static const bool value = sizeof(__test<_Tp>(0)) == 1; 1191227825Stheraven}; 1192227825Stheraven 1193227825Stheraventemplate <class _Tp, class _Up> 1194227825Stheravenstruct __has_rebind_other<_Tp, _Up, false> 1195227825Stheraven{ 1196227825Stheraven static const bool value = false; 1197227825Stheraven}; 1198227825Stheraven 1199227825Stheraventemplate <class _Tp, class _Up, bool = __has_rebind_other<_Tp, _Up>::value> 1200227825Stheravenstruct __allocator_traits_rebind 1201227825Stheraven{ 1202227825Stheraven typedef typename _Tp::template rebind<_Up>::other type; 1203227825Stheraven}; 1204227825Stheraven 1205227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 1206227825Stheraven 1207227825Stheraventemplate <template <class, class...> class _Alloc, class _Tp, class ..._Args, class _Up> 1208227825Stheravenstruct __allocator_traits_rebind<_Alloc<_Tp, _Args...>, _Up, true> 1209227825Stheraven{ 1210227825Stheraven typedef typename _Alloc<_Tp, _Args...>::template rebind<_Up>::other type; 1211227825Stheraven}; 1212227825Stheraven 1213227825Stheraventemplate <template <class, class...> class _Alloc, class _Tp, class ..._Args, class _Up> 1214227825Stheravenstruct __allocator_traits_rebind<_Alloc<_Tp, _Args...>, _Up, false> 1215227825Stheraven{ 1216227825Stheraven typedef _Alloc<_Up, _Args...> type; 1217227825Stheraven}; 1218227825Stheraven 1219227825Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 1220227825Stheraven 1221227825Stheraventemplate <template <class> class _Alloc, class _Tp, class _Up> 1222227825Stheravenstruct __allocator_traits_rebind<_Alloc<_Tp>, _Up, true> 1223227825Stheraven{ 1224227825Stheraven typedef typename _Alloc<_Tp>::template rebind<_Up>::other type; 1225227825Stheraven}; 1226227825Stheraven 1227227825Stheraventemplate <template <class> class _Alloc, class _Tp, class _Up> 1228227825Stheravenstruct __allocator_traits_rebind<_Alloc<_Tp>, _Up, false> 1229227825Stheraven{ 1230227825Stheraven typedef _Alloc<_Up> type; 1231227825Stheraven}; 1232227825Stheraven 1233227825Stheraventemplate <template <class, class> class _Alloc, class _Tp, class _A0, class _Up> 1234227825Stheravenstruct __allocator_traits_rebind<_Alloc<_Tp, _A0>, _Up, true> 1235227825Stheraven{ 1236227825Stheraven typedef typename _Alloc<_Tp, _A0>::template rebind<_Up>::other type; 1237227825Stheraven}; 1238227825Stheraven 1239227825Stheraventemplate <template <class, class> class _Alloc, class _Tp, class _A0, class _Up> 1240227825Stheravenstruct __allocator_traits_rebind<_Alloc<_Tp, _A0>, _Up, false> 1241227825Stheraven{ 1242227825Stheraven typedef _Alloc<_Up, _A0> type; 1243227825Stheraven}; 1244227825Stheraven 1245227825Stheraventemplate <template <class, class, class> class _Alloc, class _Tp, class _A0, 1246227825Stheraven class _A1, class _Up> 1247227825Stheravenstruct __allocator_traits_rebind<_Alloc<_Tp, _A0, _A1>, _Up, true> 1248227825Stheraven{ 1249227825Stheraven typedef typename _Alloc<_Tp, _A0, _A1>::template rebind<_Up>::other type; 1250227825Stheraven}; 1251227825Stheraven 1252227825Stheraventemplate <template <class, class, class> class _Alloc, class _Tp, class _A0, 1253227825Stheraven class _A1, class _Up> 1254227825Stheravenstruct __allocator_traits_rebind<_Alloc<_Tp, _A0, _A1>, _Up, false> 1255227825Stheraven{ 1256227825Stheraven typedef _Alloc<_Up, _A0, _A1> type; 1257227825Stheraven}; 1258227825Stheraven 1259227825Stheraventemplate <template <class, class, class, class> class _Alloc, class _Tp, class _A0, 1260227825Stheraven class _A1, class _A2, class _Up> 1261227825Stheravenstruct __allocator_traits_rebind<_Alloc<_Tp, _A0, _A1, _A2>, _Up, true> 1262227825Stheraven{ 1263227825Stheraven typedef typename _Alloc<_Tp, _A0, _A1, _A2>::template rebind<_Up>::other type; 1264227825Stheraven}; 1265227825Stheraven 1266227825Stheraventemplate <template <class, class, class, class> class _Alloc, class _Tp, class _A0, 1267227825Stheraven class _A1, class _A2, class _Up> 1268227825Stheravenstruct __allocator_traits_rebind<_Alloc<_Tp, _A0, _A1, _A2>, _Up, false> 1269227825Stheraven{ 1270227825Stheraven typedef _Alloc<_Up, _A0, _A1, _A2> type; 1271227825Stheraven}; 1272227825Stheraven 1273227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 1274227825Stheraven 1275227825Stheraven#ifndef _LIBCPP_HAS_NO_ADVANCED_SFINAE 1276227825Stheraven 1277227825Stheraventemplate <class _Alloc, class _SizeType, class _ConstVoidPtr> 1278227825Stheravenauto 1279227825Stheraven__has_allocate_hint_test(_Alloc&& __a, _SizeType&& __sz, _ConstVoidPtr&& __p) 1280227825Stheraven -> decltype(__a.allocate(__sz, __p), true_type()); 1281227825Stheraven 1282227825Stheraventemplate <class _Alloc, class _SizeType, class _ConstVoidPtr> 1283227825Stheravenauto 1284227825Stheraven__has_allocate_hint_test(const _Alloc& __a, _SizeType&& __sz, _ConstVoidPtr&& __p) 1285227825Stheraven -> false_type; 1286227825Stheraven 1287227825Stheraventemplate <class _Alloc, class _SizeType, class _ConstVoidPtr> 1288227825Stheravenstruct __has_allocate_hint 1289227825Stheraven : integral_constant<bool, 1290227825Stheraven is_same< 1291227825Stheraven decltype(__has_allocate_hint_test(declval<_Alloc>(), 1292227825Stheraven declval<_SizeType>(), 1293227825Stheraven declval<_ConstVoidPtr>())), 1294227825Stheraven true_type>::value> 1295227825Stheraven{ 1296227825Stheraven}; 1297227825Stheraven 1298227825Stheraven#else // _LIBCPP_HAS_NO_ADVANCED_SFINAE 1299227825Stheraven 1300227825Stheraventemplate <class _Alloc, class _SizeType, class _ConstVoidPtr> 1301227825Stheravenstruct __has_allocate_hint 1302227825Stheraven : true_type 1303227825Stheraven{ 1304227825Stheraven}; 1305227825Stheraven 1306227825Stheraven#endif // _LIBCPP_HAS_NO_ADVANCED_SFINAE 1307227825Stheraven 1308227825Stheraven#if !defined(_LIBCPP_HAS_NO_ADVANCED_SFINAE) && !defined(_LIBCPP_HAS_NO_VARIADICS) 1309227825Stheraven 1310227825Stheraventemplate <class _Alloc, class _Tp, class ..._Args> 1311227825Stheravendecltype(_VSTD::declval<_Alloc>().construct(_VSTD::declval<_Tp*>(), 1312227825Stheraven _VSTD::declval<_Args>()...), 1313227825Stheraven true_type()) 1314227825Stheraven__has_construct_test(_Alloc&& __a, _Tp* __p, _Args&& ...__args); 1315227825Stheraven 1316227825Stheraventemplate <class _Alloc, class _Pointer, class ..._Args> 1317227825Stheravenfalse_type 1318227825Stheraven__has_construct_test(const _Alloc& __a, _Pointer&& __p, _Args&& ...__args); 1319227825Stheraven 1320227825Stheraventemplate <class _Alloc, class _Pointer, class ..._Args> 1321227825Stheravenstruct __has_construct 1322227825Stheraven : integral_constant<bool, 1323227825Stheraven is_same< 1324227825Stheraven decltype(__has_construct_test(declval<_Alloc>(), 1325227825Stheraven declval<_Pointer>(), 1326227825Stheraven declval<_Args>()...)), 1327227825Stheraven true_type>::value> 1328227825Stheraven{ 1329227825Stheraven}; 1330227825Stheraven 1331227825Stheraventemplate <class _Alloc, class _Pointer> 1332227825Stheravenauto 1333227825Stheraven__has_destroy_test(_Alloc&& __a, _Pointer&& __p) 1334227825Stheraven -> decltype(__a.destroy(__p), true_type()); 1335227825Stheraven 1336227825Stheraventemplate <class _Alloc, class _Pointer> 1337227825Stheravenauto 1338227825Stheraven__has_destroy_test(const _Alloc& __a, _Pointer&& __p) 1339227825Stheraven -> false_type; 1340227825Stheraven 1341227825Stheraventemplate <class _Alloc, class _Pointer> 1342227825Stheravenstruct __has_destroy 1343227825Stheraven : integral_constant<bool, 1344227825Stheraven is_same< 1345227825Stheraven decltype(__has_destroy_test(declval<_Alloc>(), 1346227825Stheraven declval<_Pointer>())), 1347227825Stheraven true_type>::value> 1348227825Stheraven{ 1349227825Stheraven}; 1350227825Stheraven 1351227825Stheraventemplate <class _Alloc> 1352227825Stheravenauto 1353227825Stheraven__has_max_size_test(_Alloc&& __a) 1354227825Stheraven -> decltype(__a.max_size(), true_type()); 1355227825Stheraven 1356227825Stheraventemplate <class _Alloc> 1357227825Stheravenauto 1358227825Stheraven__has_max_size_test(const volatile _Alloc& __a) 1359227825Stheraven -> false_type; 1360227825Stheraven 1361227825Stheraventemplate <class _Alloc> 1362227825Stheravenstruct __has_max_size 1363227825Stheraven : integral_constant<bool, 1364227825Stheraven is_same< 1365227825Stheraven decltype(__has_max_size_test(declval<_Alloc&>())), 1366227825Stheraven true_type>::value> 1367227825Stheraven{ 1368227825Stheraven}; 1369227825Stheraven 1370227825Stheraventemplate <class _Alloc> 1371227825Stheravenauto 1372227825Stheraven__has_select_on_container_copy_construction_test(_Alloc&& __a) 1373227825Stheraven -> decltype(__a.select_on_container_copy_construction(), true_type()); 1374227825Stheraven 1375227825Stheraventemplate <class _Alloc> 1376227825Stheravenauto 1377227825Stheraven__has_select_on_container_copy_construction_test(const volatile _Alloc& __a) 1378227825Stheraven -> false_type; 1379227825Stheraven 1380227825Stheraventemplate <class _Alloc> 1381227825Stheravenstruct __has_select_on_container_copy_construction 1382227825Stheraven : integral_constant<bool, 1383227825Stheraven is_same< 1384227825Stheraven decltype(__has_select_on_container_copy_construction_test(declval<_Alloc&>())), 1385227825Stheraven true_type>::value> 1386227825Stheraven{ 1387227825Stheraven}; 1388227825Stheraven 1389227825Stheraven#else // _LIBCPP_HAS_NO_ADVANCED_SFINAE 1390227825Stheraven 1391227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 1392227825Stheraven 1393227825Stheraventemplate <class _Alloc, class _Pointer, class ..._Args> 1394227825Stheravenstruct __has_construct 1395227825Stheraven : false_type 1396227825Stheraven{ 1397227825Stheraven}; 1398227825Stheraven 1399232950Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 1400232950Stheraven 1401232950Stheraventemplate <class _Alloc, class _Pointer, class _Args> 1402232950Stheravenstruct __has_construct 1403232950Stheraven : false_type 1404232950Stheraven{ 1405232950Stheraven}; 1406232950Stheraven 1407227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 1408227825Stheraven 1409227825Stheraventemplate <class _Alloc, class _Pointer> 1410227825Stheravenstruct __has_destroy 1411227825Stheraven : false_type 1412227825Stheraven{ 1413227825Stheraven}; 1414227825Stheraven 1415227825Stheraventemplate <class _Alloc> 1416227825Stheravenstruct __has_max_size 1417227825Stheraven : true_type 1418227825Stheraven{ 1419227825Stheraven}; 1420227825Stheraven 1421227825Stheraventemplate <class _Alloc> 1422227825Stheravenstruct __has_select_on_container_copy_construction 1423227825Stheraven : false_type 1424227825Stheraven{ 1425227825Stheraven}; 1426227825Stheraven 1427227825Stheraven#endif // _LIBCPP_HAS_NO_ADVANCED_SFINAE 1428227825Stheraven 1429227825Stheraventemplate <class _Alloc, class _Ptr, bool = __has_difference_type<_Alloc>::value> 1430227825Stheravenstruct __alloc_traits_difference_type 1431227825Stheraven{ 1432227825Stheraven typedef typename pointer_traits<_Ptr>::difference_type type; 1433227825Stheraven}; 1434227825Stheraven 1435227825Stheraventemplate <class _Alloc, class _Ptr> 1436227825Stheravenstruct __alloc_traits_difference_type<_Alloc, _Ptr, true> 1437227825Stheraven{ 1438227825Stheraven typedef typename _Alloc::difference_type type; 1439227825Stheraven}; 1440227825Stheraven 1441227825Stheraventemplate <class _Alloc> 1442227825Stheravenstruct _LIBCPP_VISIBLE allocator_traits 1443227825Stheraven{ 1444227825Stheraven typedef _Alloc allocator_type; 1445227825Stheraven typedef typename allocator_type::value_type value_type; 1446227825Stheraven 1447227825Stheraven typedef typename __pointer_type<value_type, allocator_type>::type pointer; 1448227825Stheraven typedef typename __const_pointer<value_type, pointer, allocator_type>::type const_pointer; 1449227825Stheraven typedef typename __void_pointer<pointer, allocator_type>::type void_pointer; 1450227825Stheraven typedef typename __const_void_pointer<pointer, allocator_type>::type const_void_pointer; 1451227825Stheraven 1452227825Stheraven typedef typename __alloc_traits_difference_type<allocator_type, pointer>::type difference_type; 1453227825Stheraven typedef typename __size_type<allocator_type, difference_type>::type size_type; 1454227825Stheraven 1455227825Stheraven typedef typename __propagate_on_container_copy_assignment<allocator_type>::type 1456227825Stheraven propagate_on_container_copy_assignment; 1457227825Stheraven typedef typename __propagate_on_container_move_assignment<allocator_type>::type 1458227825Stheraven propagate_on_container_move_assignment; 1459227825Stheraven typedef typename __propagate_on_container_swap<allocator_type>::type 1460227825Stheraven propagate_on_container_swap; 1461227825Stheraven 1462227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 1463227825Stheraven template <class _Tp> using rebind_alloc = 1464227825Stheraven typename __allocator_traits_rebind<allocator_type, _Tp>::type; 1465227825Stheraven template <class _Tp> using rebind_traits = allocator_traits<rebind_alloc<_Tp>>; 1466227825Stheraven#else // _LIBCPP_HAS_NO_TEMPLATE_ALIASES 1467227825Stheraven template <class _Tp> struct rebind_alloc 1468227825Stheraven {typedef typename __allocator_traits_rebind<allocator_type, _Tp>::type other;}; 1469227825Stheraven template <class _Tp> struct rebind_traits 1470227825Stheraven {typedef allocator_traits<typename rebind_alloc<_Tp>::other> other;}; 1471227825Stheraven#endif // _LIBCPP_HAS_NO_TEMPLATE_ALIASES 1472227825Stheraven 1473227825Stheraven _LIBCPP_INLINE_VISIBILITY 1474227825Stheraven static pointer allocate(allocator_type& __a, size_type __n) 1475227825Stheraven {return __a.allocate(__n);} 1476227825Stheraven _LIBCPP_INLINE_VISIBILITY 1477227825Stheraven static pointer allocate(allocator_type& __a, size_type __n, const_void_pointer __hint) 1478227825Stheraven {return allocate(__a, __n, __hint, 1479227825Stheraven __has_allocate_hint<allocator_type, size_type, const_void_pointer>());} 1480227825Stheraven 1481227825Stheraven _LIBCPP_INLINE_VISIBILITY 1482227825Stheraven static void deallocate(allocator_type& __a, pointer __p, size_type __n) _NOEXCEPT 1483227825Stheraven {__a.deallocate(__p, __n);} 1484227825Stheraven 1485227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 1486227825Stheraven template <class _Tp, class... _Args> 1487227825Stheraven _LIBCPP_INLINE_VISIBILITY 1488227825Stheraven static void construct(allocator_type& __a, _Tp* __p, _Args&&... __args) 1489227825Stheraven {__construct(__has_construct<allocator_type, pointer, _Args...>(), 1490227825Stheraven __a, __p, _VSTD::forward<_Args>(__args)...);} 1491227825Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 1492227825Stheraven template <class _Tp> 1493227825Stheraven _LIBCPP_INLINE_VISIBILITY 1494227825Stheraven static void construct(allocator_type& __a, _Tp* __p) 1495227825Stheraven { 1496227825Stheraven ::new ((void*)__p) _Tp(); 1497227825Stheraven } 1498227825Stheraven template <class _Tp, class _A0> 1499227825Stheraven _LIBCPP_INLINE_VISIBILITY 1500227825Stheraven static void construct(allocator_type& __a, _Tp* __p, const _A0& __a0) 1501227825Stheraven { 1502227825Stheraven ::new ((void*)__p) _Tp(__a0); 1503227825Stheraven } 1504227825Stheraven template <class _Tp, class _A0, class _A1> 1505227825Stheraven _LIBCPP_INLINE_VISIBILITY 1506227825Stheraven static void construct(allocator_type& __a, _Tp* __p, const _A0& __a0, 1507227825Stheraven const _A1& __a1) 1508227825Stheraven { 1509227825Stheraven ::new ((void*)__p) _Tp(__a0, __a1); 1510227825Stheraven } 1511227825Stheraven template <class _Tp, class _A0, class _A1, class _A2> 1512227825Stheraven _LIBCPP_INLINE_VISIBILITY 1513227825Stheraven static void construct(allocator_type& __a, _Tp* __p, const _A0& __a0, 1514227825Stheraven const _A1& __a1, const _A2& __a2) 1515227825Stheraven { 1516227825Stheraven ::new ((void*)__p) _Tp(__a0, __a1, __a2); 1517227825Stheraven } 1518227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 1519227825Stheraven 1520227825Stheraven template <class _Tp> 1521227825Stheraven _LIBCPP_INLINE_VISIBILITY 1522227825Stheraven static void destroy(allocator_type& __a, _Tp* __p) 1523227825Stheraven {__destroy(__has_destroy<allocator_type, _Tp*>(), __a, __p);} 1524227825Stheraven 1525227825Stheraven _LIBCPP_INLINE_VISIBILITY 1526227825Stheraven static size_type max_size(const allocator_type& __a) 1527227825Stheraven {return __max_size(__has_max_size<const allocator_type>(), __a);} 1528227825Stheraven 1529227825Stheraven _LIBCPP_INLINE_VISIBILITY 1530227825Stheraven static allocator_type 1531227825Stheraven select_on_container_copy_construction(const allocator_type& __a) 1532227825Stheraven {return select_on_container_copy_construction( 1533227825Stheraven __has_select_on_container_copy_construction<const allocator_type>(), 1534227825Stheraven __a);} 1535227825Stheraven 1536232950Stheraven template <class _Ptr> 1537232950Stheraven _LIBCPP_INLINE_VISIBILITY 1538232950Stheraven static 1539232950Stheraven void 1540232950Stheraven __construct_forward(allocator_type& __a, _Ptr __begin1, _Ptr __end1, _Ptr& __begin2) 1541232950Stheraven { 1542232950Stheraven for (; __begin1 != __end1; ++__begin1, ++__begin2) 1543232950Stheraven construct(__a, _VSTD::__to_raw_pointer(__begin2), _VSTD::move_if_noexcept(*__begin1)); 1544232950Stheraven } 1545232950Stheraven 1546232950Stheraven template <class _Tp> 1547232950Stheraven _LIBCPP_INLINE_VISIBILITY 1548232950Stheraven static 1549232950Stheraven typename enable_if 1550232950Stheraven < 1551232950Stheraven (is_same<allocator_type, allocator<_Tp> >::value 1552232950Stheraven || !__has_construct<allocator_type, _Tp*, _Tp>::value) && 1553232950Stheraven is_trivially_move_constructible<_Tp>::value, 1554232950Stheraven void 1555232950Stheraven >::type 1556232950Stheraven __construct_forward(allocator_type& __a, _Tp* __begin1, _Tp* __end1, _Tp*& __begin2) 1557232950Stheraven { 1558232950Stheraven ptrdiff_t _Np = __end1 - __begin1; 1559232950Stheraven _VSTD::memcpy(__begin2, __begin1, _Np * sizeof(_Tp)); 1560232950Stheraven __begin2 += _Np; 1561232950Stheraven } 1562232950Stheraven 1563232950Stheraven template <class _Ptr> 1564232950Stheraven _LIBCPP_INLINE_VISIBILITY 1565232950Stheraven static 1566232950Stheraven void 1567232950Stheraven __construct_backward(allocator_type& __a, _Ptr __begin1, _Ptr __end1, _Ptr& __end2) 1568232950Stheraven { 1569232950Stheraven while (__end1 != __begin1) 1570232950Stheraven construct(__a, _VSTD::__to_raw_pointer(--__end2), _VSTD::move_if_noexcept(*--__end1)); 1571232950Stheraven } 1572232950Stheraven 1573232950Stheraven template <class _Tp> 1574232950Stheraven _LIBCPP_INLINE_VISIBILITY 1575232950Stheraven static 1576232950Stheraven typename enable_if 1577232950Stheraven < 1578232950Stheraven (is_same<allocator_type, allocator<_Tp> >::value 1579232950Stheraven || !__has_construct<allocator_type, _Tp*, _Tp>::value) && 1580232950Stheraven is_trivially_move_constructible<_Tp>::value, 1581232950Stheraven void 1582232950Stheraven >::type 1583232950Stheraven __construct_backward(allocator_type& __a, _Tp* __begin1, _Tp* __end1, _Tp*& __end2) 1584232950Stheraven { 1585232950Stheraven ptrdiff_t _Np = __end1 - __begin1; 1586232950Stheraven __end2 -= _Np; 1587232950Stheraven _VSTD::memcpy(__end2, __begin1, _Np * sizeof(_Tp)); 1588232950Stheraven } 1589232950Stheraven 1590227825Stheravenprivate: 1591227825Stheraven 1592227825Stheraven _LIBCPP_INLINE_VISIBILITY 1593227825Stheraven static pointer allocate(allocator_type& __a, size_type __n, 1594227825Stheraven const_void_pointer __hint, true_type) 1595227825Stheraven {return __a.allocate(__n, __hint);} 1596227825Stheraven _LIBCPP_INLINE_VISIBILITY 1597227825Stheraven static pointer allocate(allocator_type& __a, size_type __n, 1598232950Stheraven const_void_pointer, false_type) 1599227825Stheraven {return __a.allocate(__n);} 1600227825Stheraven 1601227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 1602227825Stheraven template <class _Tp, class... _Args> 1603227825Stheraven _LIBCPP_INLINE_VISIBILITY 1604227825Stheraven static void __construct(true_type, allocator_type& __a, _Tp* __p, _Args&&... __args) 1605227825Stheraven {__a.construct(__p, _VSTD::forward<_Args>(__args)...);} 1606227825Stheraven template <class _Tp, class... _Args> 1607227825Stheraven _LIBCPP_INLINE_VISIBILITY 1608227825Stheraven static void __construct(false_type, allocator_type&, _Tp* __p, _Args&&... __args) 1609227825Stheraven { 1610227825Stheraven ::new ((void*)__p) _Tp(_VSTD::forward<_Args>(__args)...); 1611227825Stheraven } 1612227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 1613227825Stheraven 1614227825Stheraven template <class _Tp> 1615227825Stheraven _LIBCPP_INLINE_VISIBILITY 1616227825Stheraven static void __destroy(true_type, allocator_type& __a, _Tp* __p) 1617227825Stheraven {__a.destroy(__p);} 1618227825Stheraven template <class _Tp> 1619227825Stheraven _LIBCPP_INLINE_VISIBILITY 1620227825Stheraven static void __destroy(false_type, allocator_type&, _Tp* __p) 1621227825Stheraven { 1622227825Stheraven __p->~_Tp(); 1623227825Stheraven } 1624227825Stheraven 1625227825Stheraven _LIBCPP_INLINE_VISIBILITY 1626227825Stheraven static size_type __max_size(true_type, const allocator_type& __a) 1627227825Stheraven {return __a.max_size();} 1628227825Stheraven _LIBCPP_INLINE_VISIBILITY 1629227825Stheraven static size_type __max_size(false_type, const allocator_type&) 1630227825Stheraven {return numeric_limits<size_type>::max();} 1631227825Stheraven 1632227825Stheraven _LIBCPP_INLINE_VISIBILITY 1633227825Stheraven static allocator_type 1634227825Stheraven select_on_container_copy_construction(true_type, const allocator_type& __a) 1635227825Stheraven {return __a.select_on_container_copy_construction();} 1636227825Stheraven _LIBCPP_INLINE_VISIBILITY 1637227825Stheraven static allocator_type 1638227825Stheraven select_on_container_copy_construction(false_type, const allocator_type& __a) 1639227825Stheraven {return __a;} 1640227825Stheraven}; 1641227825Stheraven 1642232950Stheraven// allocator 1643227825Stheraven 1644227825Stheraventemplate <class _Tp> 1645232950Stheravenclass _LIBCPP_VISIBLE allocator 1646227825Stheraven{ 1647227825Stheravenpublic: 1648232950Stheraven typedef size_t size_type; 1649232950Stheraven typedef ptrdiff_t difference_type; 1650232950Stheraven typedef _Tp* pointer; 1651232950Stheraven typedef const _Tp* const_pointer; 1652232950Stheraven typedef _Tp& reference; 1653232950Stheraven typedef const _Tp& const_reference; 1654232950Stheraven typedef _Tp value_type; 1655227825Stheraven 1656232950Stheraven typedef true_type propagate_on_container_move_assignment; 1657227825Stheraven 1658232950Stheraven template <class _Up> struct rebind {typedef allocator<_Up> other;}; 1659227825Stheraven 1660232950Stheraven _LIBCPP_INLINE_VISIBILITY allocator() _NOEXCEPT {} 1661232950Stheraven template <class _Up> _LIBCPP_INLINE_VISIBILITY allocator(const allocator<_Up>&) _NOEXCEPT {} 1662232950Stheraven _LIBCPP_INLINE_VISIBILITY pointer address(reference __x) const _NOEXCEPT 1663232950Stheraven {return _VSTD::addressof(__x);} 1664232950Stheraven _LIBCPP_INLINE_VISIBILITY const_pointer address(const_reference __x) const _NOEXCEPT 1665232950Stheraven {return _VSTD::addressof(__x);} 1666232950Stheraven _LIBCPP_INLINE_VISIBILITY pointer allocate(size_type __n, allocator<void>::const_pointer = 0) 1667232950Stheraven {return static_cast<pointer>(::operator new(__n * sizeof(_Tp)));} 1668232950Stheraven _LIBCPP_INLINE_VISIBILITY void deallocate(pointer __p, size_type) _NOEXCEPT 1669232950Stheraven {::operator delete((void*)__p);} 1670232950Stheraven _LIBCPP_INLINE_VISIBILITY size_type max_size() const _NOEXCEPT 1671232950Stheraven {return size_type(~0) / sizeof(_Tp);} 1672232950Stheraven#if !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS) 1673232950Stheraven template <class _Up, class... _Args> 1674232950Stheraven _LIBCPP_INLINE_VISIBILITY 1675232950Stheraven void 1676232950Stheraven construct(_Up* __p, _Args&&... __args) 1677232950Stheraven { 1678232950Stheraven ::new((void*)__p) _Up(_VSTD::forward<_Args>(__args)...); 1679232950Stheraven } 1680232950Stheraven#else // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS) 1681232950Stheraven _LIBCPP_INLINE_VISIBILITY 1682232950Stheraven void 1683232950Stheraven construct(pointer __p) 1684232950Stheraven { 1685232950Stheraven ::new((void*)__p) _Tp(); 1686232950Stheraven } 1687232950Stheraven# if defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) 1688232950Stheraven template <class _A0> 1689232950Stheraven _LIBCPP_INLINE_VISIBILITY 1690232950Stheraven typename enable_if 1691232950Stheraven < 1692232950Stheraven !is_convertible<_A0, __rv<_A0> >::value, 1693232950Stheraven void 1694232950Stheraven >::type 1695232950Stheraven construct(pointer __p, _A0& __a0) 1696232950Stheraven { 1697232950Stheraven ::new((void*)__p) _Tp(__a0); 1698232950Stheraven } 1699232950Stheraven template <class _A0> 1700232950Stheraven _LIBCPP_INLINE_VISIBILITY 1701232950Stheraven typename enable_if 1702232950Stheraven < 1703232950Stheraven !is_convertible<_A0, __rv<_A0> >::value, 1704232950Stheraven void 1705232950Stheraven >::type 1706232950Stheraven construct(pointer __p, const _A0& __a0) 1707232950Stheraven { 1708232950Stheraven ::new((void*)__p) _Tp(__a0); 1709232950Stheraven } 1710232950Stheraven template <class _A0> 1711232950Stheraven _LIBCPP_INLINE_VISIBILITY 1712232950Stheraven typename enable_if 1713232950Stheraven < 1714232950Stheraven is_convertible<_A0, __rv<_A0> >::value, 1715232950Stheraven void 1716232950Stheraven >::type 1717232950Stheraven construct(pointer __p, _A0 __a0) 1718232950Stheraven { 1719232950Stheraven ::new((void*)__p) _Tp(_VSTD::move(__a0)); 1720232950Stheraven } 1721232950Stheraven# endif // defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) 1722232950Stheraven template <class _A0, class _A1> 1723232950Stheraven _LIBCPP_INLINE_VISIBILITY 1724232950Stheraven void 1725232950Stheraven construct(pointer __p, _A0& __a0, _A1& __a1) 1726232950Stheraven { 1727232950Stheraven ::new((void*)__p) _Tp(__a0, __a1); 1728232950Stheraven } 1729232950Stheraven template <class _A0, class _A1> 1730232950Stheraven _LIBCPP_INLINE_VISIBILITY 1731232950Stheraven void 1732232950Stheraven construct(pointer __p, const _A0& __a0, _A1& __a1) 1733232950Stheraven { 1734232950Stheraven ::new((void*)__p) _Tp(__a0, __a1); 1735232950Stheraven } 1736232950Stheraven template <class _A0, class _A1> 1737232950Stheraven _LIBCPP_INLINE_VISIBILITY 1738232950Stheraven void 1739232950Stheraven construct(pointer __p, _A0& __a0, const _A1& __a1) 1740232950Stheraven { 1741232950Stheraven ::new((void*)__p) _Tp(__a0, __a1); 1742232950Stheraven } 1743232950Stheraven template <class _A0, class _A1> 1744232950Stheraven _LIBCPP_INLINE_VISIBILITY 1745232950Stheraven void 1746232950Stheraven construct(pointer __p, const _A0& __a0, const _A1& __a1) 1747232950Stheraven { 1748232950Stheraven ::new((void*)__p) _Tp(__a0, __a1); 1749232950Stheraven } 1750232950Stheraven#endif // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS) 1751232950Stheraven _LIBCPP_INLINE_VISIBILITY void destroy(pointer __p) {__p->~_Tp();} 1752227825Stheraven}; 1753227825Stheraven 1754227825Stheraventemplate <class _Tp> 1755232950Stheravenclass _LIBCPP_VISIBLE allocator<const _Tp> 1756227825Stheraven{ 1757227825Stheravenpublic: 1758227825Stheraven typedef size_t size_type; 1759227825Stheraven typedef ptrdiff_t difference_type; 1760232950Stheraven typedef const _Tp* pointer; 1761227825Stheraven typedef const _Tp* const_pointer; 1762232950Stheraven typedef const _Tp& reference; 1763227825Stheraven typedef const _Tp& const_reference; 1764227825Stheraven typedef _Tp value_type; 1765227825Stheraven 1766227825Stheraven typedef true_type propagate_on_container_move_assignment; 1767227825Stheraven 1768227825Stheraven template <class _Up> struct rebind {typedef allocator<_Up> other;}; 1769227825Stheraven 1770227825Stheraven _LIBCPP_INLINE_VISIBILITY allocator() _NOEXCEPT {} 1771227825Stheraven template <class _Up> _LIBCPP_INLINE_VISIBILITY allocator(const allocator<_Up>&) _NOEXCEPT {} 1772227825Stheraven _LIBCPP_INLINE_VISIBILITY const_pointer address(const_reference __x) const _NOEXCEPT 1773227825Stheraven {return _VSTD::addressof(__x);} 1774227825Stheraven _LIBCPP_INLINE_VISIBILITY pointer allocate(size_type __n, allocator<void>::const_pointer = 0) 1775227825Stheraven {return static_cast<pointer>(::operator new(__n * sizeof(_Tp)));} 1776227825Stheraven _LIBCPP_INLINE_VISIBILITY void deallocate(pointer __p, size_type) _NOEXCEPT 1777227825Stheraven {::operator delete((void*)__p);} 1778227825Stheraven _LIBCPP_INLINE_VISIBILITY size_type max_size() const _NOEXCEPT 1779227825Stheraven {return size_type(~0) / sizeof(_Tp);} 1780227825Stheraven#if !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS) 1781227825Stheraven template <class _Up, class... _Args> 1782227825Stheraven _LIBCPP_INLINE_VISIBILITY 1783227825Stheraven void 1784227825Stheraven construct(_Up* __p, _Args&&... __args) 1785227825Stheraven { 1786227825Stheraven ::new((void*)__p) _Up(_VSTD::forward<_Args>(__args)...); 1787227825Stheraven } 1788227825Stheraven#else // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS) 1789227825Stheraven _LIBCPP_INLINE_VISIBILITY 1790227825Stheraven void 1791227825Stheraven construct(pointer __p) 1792227825Stheraven { 1793227825Stheraven ::new((void*)__p) _Tp(); 1794227825Stheraven } 1795227825Stheraven# if defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) 1796227825Stheraven template <class _A0> 1797227825Stheraven _LIBCPP_INLINE_VISIBILITY 1798227825Stheraven typename enable_if 1799227825Stheraven < 1800227825Stheraven !is_convertible<_A0, __rv<_A0> >::value, 1801227825Stheraven void 1802227825Stheraven >::type 1803227825Stheraven construct(pointer __p, _A0& __a0) 1804227825Stheraven { 1805227825Stheraven ::new((void*)__p) _Tp(__a0); 1806227825Stheraven } 1807227825Stheraven template <class _A0> 1808227825Stheraven _LIBCPP_INLINE_VISIBILITY 1809227825Stheraven typename enable_if 1810227825Stheraven < 1811227825Stheraven !is_convertible<_A0, __rv<_A0> >::value, 1812227825Stheraven void 1813227825Stheraven >::type 1814227825Stheraven construct(pointer __p, const _A0& __a0) 1815227825Stheraven { 1816227825Stheraven ::new((void*)__p) _Tp(__a0); 1817227825Stheraven } 1818227825Stheraven template <class _A0> 1819227825Stheraven _LIBCPP_INLINE_VISIBILITY 1820227825Stheraven typename enable_if 1821227825Stheraven < 1822227825Stheraven is_convertible<_A0, __rv<_A0> >::value, 1823227825Stheraven void 1824227825Stheraven >::type 1825227825Stheraven construct(pointer __p, _A0 __a0) 1826227825Stheraven { 1827227825Stheraven ::new((void*)__p) _Tp(_VSTD::move(__a0)); 1828227825Stheraven } 1829227825Stheraven# endif // defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) 1830227825Stheraven template <class _A0, class _A1> 1831227825Stheraven _LIBCPP_INLINE_VISIBILITY 1832227825Stheraven void 1833227825Stheraven construct(pointer __p, _A0& __a0, _A1& __a1) 1834227825Stheraven { 1835227825Stheraven ::new((void*)__p) _Tp(__a0, __a1); 1836227825Stheraven } 1837227825Stheraven template <class _A0, class _A1> 1838227825Stheraven _LIBCPP_INLINE_VISIBILITY 1839227825Stheraven void 1840227825Stheraven construct(pointer __p, const _A0& __a0, _A1& __a1) 1841227825Stheraven { 1842227825Stheraven ::new((void*)__p) _Tp(__a0, __a1); 1843227825Stheraven } 1844227825Stheraven template <class _A0, class _A1> 1845227825Stheraven _LIBCPP_INLINE_VISIBILITY 1846227825Stheraven void 1847227825Stheraven construct(pointer __p, _A0& __a0, const _A1& __a1) 1848227825Stheraven { 1849227825Stheraven ::new((void*)__p) _Tp(__a0, __a1); 1850227825Stheraven } 1851227825Stheraven template <class _A0, class _A1> 1852227825Stheraven _LIBCPP_INLINE_VISIBILITY 1853227825Stheraven void 1854227825Stheraven construct(pointer __p, const _A0& __a0, const _A1& __a1) 1855227825Stheraven { 1856227825Stheraven ::new((void*)__p) _Tp(__a0, __a1); 1857227825Stheraven } 1858227825Stheraven#endif // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS) 1859227825Stheraven _LIBCPP_INLINE_VISIBILITY void destroy(pointer __p) {__p->~_Tp();} 1860227825Stheraven}; 1861227825Stheraven 1862227825Stheraventemplate <class _Tp, class _Up> 1863227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1864227825Stheravenbool operator==(const allocator<_Tp>&, const allocator<_Up>&) _NOEXCEPT {return true;} 1865227825Stheraven 1866227825Stheraventemplate <class _Tp, class _Up> 1867227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1868227825Stheravenbool operator!=(const allocator<_Tp>&, const allocator<_Up>&) _NOEXCEPT {return false;} 1869227825Stheraven 1870227825Stheraventemplate <class _OutputIterator, class _Tp> 1871227825Stheravenclass _LIBCPP_VISIBLE raw_storage_iterator 1872227825Stheraven : public iterator<output_iterator_tag, 1873227825Stheraven _Tp, // purposefully not C++03 1874227825Stheraven ptrdiff_t, // purposefully not C++03 1875227825Stheraven _Tp*, // purposefully not C++03 1876227825Stheraven raw_storage_iterator<_OutputIterator, _Tp>&> // purposefully not C++03 1877227825Stheraven{ 1878227825Stheravenprivate: 1879227825Stheraven _OutputIterator __x_; 1880227825Stheravenpublic: 1881227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit raw_storage_iterator(_OutputIterator __x) : __x_(__x) {} 1882227825Stheraven _LIBCPP_INLINE_VISIBILITY raw_storage_iterator& operator*() {return *this;} 1883227825Stheraven _LIBCPP_INLINE_VISIBILITY raw_storage_iterator& operator=(const _Tp& __element) 1884227825Stheraven {::new(&*__x_) _Tp(__element); return *this;} 1885227825Stheraven _LIBCPP_INLINE_VISIBILITY raw_storage_iterator& operator++() {++__x_; return *this;} 1886227825Stheraven _LIBCPP_INLINE_VISIBILITY raw_storage_iterator operator++(int) 1887227825Stheraven {raw_storage_iterator __t(*this); ++__x_; return __t;} 1888227825Stheraven}; 1889227825Stheraven 1890227825Stheraventemplate <class _Tp> 1891227825Stheravenpair<_Tp*, ptrdiff_t> 1892227825Stheravenget_temporary_buffer(ptrdiff_t __n) _NOEXCEPT 1893227825Stheraven{ 1894227825Stheraven pair<_Tp*, ptrdiff_t> __r(0, 0); 1895227825Stheraven const ptrdiff_t __m = (~ptrdiff_t(0) ^ 1896227825Stheraven ptrdiff_t(ptrdiff_t(1) << (sizeof(ptrdiff_t) * __CHAR_BIT__ - 1))) 1897227825Stheraven / sizeof(_Tp); 1898227825Stheraven if (__n > __m) 1899227825Stheraven __n = __m; 1900227825Stheraven while (__n > 0) 1901227825Stheraven { 1902227825Stheraven __r.first = static_cast<_Tp*>(::operator new(__n * sizeof(_Tp), nothrow)); 1903227825Stheraven if (__r.first) 1904227825Stheraven { 1905227825Stheraven __r.second = __n; 1906227825Stheraven break; 1907227825Stheraven } 1908227825Stheraven __n /= 2; 1909227825Stheraven } 1910227825Stheraven return __r; 1911227825Stheraven} 1912227825Stheraven 1913227825Stheraventemplate <class _Tp> 1914227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1915227825Stheravenvoid return_temporary_buffer(_Tp* __p) _NOEXCEPT {::operator delete(__p);} 1916227825Stheraven 1917227825Stheraventemplate <class _Tp> 1918227825Stheravenstruct auto_ptr_ref 1919227825Stheraven{ 1920227825Stheraven _Tp* __ptr_; 1921227825Stheraven}; 1922227825Stheraven 1923227825Stheraventemplate<class _Tp> 1924227825Stheravenclass _LIBCPP_VISIBLE auto_ptr 1925227825Stheraven{ 1926227825Stheravenprivate: 1927227825Stheraven _Tp* __ptr_; 1928227825Stheravenpublic: 1929227825Stheraven typedef _Tp element_type; 1930227825Stheraven 1931227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit auto_ptr(_Tp* __p = 0) throw() : __ptr_(__p) {} 1932227825Stheraven _LIBCPP_INLINE_VISIBILITY auto_ptr(auto_ptr& __p) throw() : __ptr_(__p.release()) {} 1933227825Stheraven template<class _Up> _LIBCPP_INLINE_VISIBILITY auto_ptr(auto_ptr<_Up>& __p) throw() 1934227825Stheraven : __ptr_(__p.release()) {} 1935227825Stheraven _LIBCPP_INLINE_VISIBILITY auto_ptr& operator=(auto_ptr& __p) throw() 1936227825Stheraven {reset(__p.release()); return *this;} 1937227825Stheraven template<class _Up> _LIBCPP_INLINE_VISIBILITY auto_ptr& operator=(auto_ptr<_Up>& __p) throw() 1938227825Stheraven {reset(__p.release()); return *this;} 1939227825Stheraven _LIBCPP_INLINE_VISIBILITY auto_ptr& operator=(auto_ptr_ref<_Tp> __p) throw() 1940227825Stheraven {reset(__p.__ptr_); return *this;} 1941227825Stheraven _LIBCPP_INLINE_VISIBILITY ~auto_ptr() throw() {delete __ptr_;} 1942227825Stheraven 1943227825Stheraven _LIBCPP_INLINE_VISIBILITY _Tp& operator*() const throw() 1944227825Stheraven {return *__ptr_;} 1945227825Stheraven _LIBCPP_INLINE_VISIBILITY _Tp* operator->() const throw() {return __ptr_;} 1946227825Stheraven _LIBCPP_INLINE_VISIBILITY _Tp* get() const throw() {return __ptr_;} 1947227825Stheraven _LIBCPP_INLINE_VISIBILITY _Tp* release() throw() 1948227825Stheraven { 1949227825Stheraven _Tp* __t = __ptr_; 1950227825Stheraven __ptr_ = 0; 1951227825Stheraven return __t; 1952227825Stheraven } 1953227825Stheraven _LIBCPP_INLINE_VISIBILITY void reset(_Tp* __p = 0) throw() 1954227825Stheraven { 1955227825Stheraven if (__ptr_ != __p) 1956227825Stheraven delete __ptr_; 1957227825Stheraven __ptr_ = __p; 1958227825Stheraven } 1959227825Stheraven 1960227825Stheraven _LIBCPP_INLINE_VISIBILITY auto_ptr(auto_ptr_ref<_Tp> __p) throw() : __ptr_(__p.__ptr_) {} 1961227825Stheraven template<class _Up> _LIBCPP_INLINE_VISIBILITY operator auto_ptr_ref<_Up>() throw() 1962227825Stheraven {auto_ptr_ref<_Up> __t; __t.__ptr_ = release(); return __t;} 1963227825Stheraven template<class _Up> _LIBCPP_INLINE_VISIBILITY operator auto_ptr<_Up>() throw() 1964227825Stheraven {return auto_ptr<_Up>(release());} 1965227825Stheraven}; 1966227825Stheraven 1967227825Stheraventemplate <> 1968227825Stheravenclass _LIBCPP_VISIBLE auto_ptr<void> 1969227825Stheraven{ 1970227825Stheravenpublic: 1971227825Stheraven typedef void element_type; 1972227825Stheraven}; 1973227825Stheraven 1974227825Stheraventemplate <class _T1, class _T2, bool = is_same<typename remove_cv<_T1>::type, 1975227825Stheraven typename remove_cv<_T2>::type>::value, 1976232950Stheraven bool = is_empty<_T1>::value 1977232950Stheraven#if __has_feature(is_final) 1978232950Stheraven && !__is_final(_T1) 1979232950Stheraven#endif 1980232950Stheraven , 1981232950Stheraven bool = is_empty<_T2>::value 1982232950Stheraven#if __has_feature(is_final) 1983232950Stheraven && !__is_final(_T2) 1984232950Stheraven#endif 1985232950Stheraven > 1986227825Stheravenstruct __libcpp_compressed_pair_switch; 1987227825Stheraven 1988227825Stheraventemplate <class _T1, class _T2, bool IsSame> 1989227825Stheravenstruct __libcpp_compressed_pair_switch<_T1, _T2, IsSame, false, false> {enum {value = 0};}; 1990227825Stheraven 1991227825Stheraventemplate <class _T1, class _T2, bool IsSame> 1992227825Stheravenstruct __libcpp_compressed_pair_switch<_T1, _T2, IsSame, true, false> {enum {value = 1};}; 1993227825Stheraven 1994227825Stheraventemplate <class _T1, class _T2, bool IsSame> 1995227825Stheravenstruct __libcpp_compressed_pair_switch<_T1, _T2, IsSame, false, true> {enum {value = 2};}; 1996227825Stheraven 1997227825Stheraventemplate <class _T1, class _T2> 1998227825Stheravenstruct __libcpp_compressed_pair_switch<_T1, _T2, false, true, true> {enum {value = 3};}; 1999227825Stheraven 2000227825Stheraventemplate <class _T1, class _T2> 2001227825Stheravenstruct __libcpp_compressed_pair_switch<_T1, _T2, true, true, true> {enum {value = 1};}; 2002227825Stheraven 2003227825Stheraventemplate <class _T1, class _T2, unsigned = __libcpp_compressed_pair_switch<_T1, _T2>::value> 2004227825Stheravenclass __libcpp_compressed_pair_imp; 2005227825Stheraven 2006227825Stheraventemplate <class _T1, class _T2> 2007227825Stheravenclass __libcpp_compressed_pair_imp<_T1, _T2, 0> 2008227825Stheraven{ 2009227825Stheravenprivate: 2010227825Stheraven _T1 __first_; 2011227825Stheraven _T2 __second_; 2012227825Stheravenpublic: 2013227825Stheraven typedef _T1 _T1_param; 2014227825Stheraven typedef _T2 _T2_param; 2015227825Stheraven 2016227825Stheraven typedef typename remove_reference<_T1>::type& _T1_reference; 2017227825Stheraven typedef typename remove_reference<_T2>::type& _T2_reference; 2018227825Stheraven 2019227825Stheraven typedef const typename remove_reference<_T1>::type& _T1_const_reference; 2020227825Stheraven typedef const typename remove_reference<_T2>::type& _T2_const_reference; 2021227825Stheraven 2022227825Stheraven _LIBCPP_INLINE_VISIBILITY __libcpp_compressed_pair_imp() {} 2023232950Stheraven _LIBCPP_INLINE_VISIBILITY explicit __libcpp_compressed_pair_imp(_T1_param __t1) 2024227825Stheraven : __first_(_VSTD::forward<_T1_param>(__t1)) {} 2025232950Stheraven _LIBCPP_INLINE_VISIBILITY explicit __libcpp_compressed_pair_imp(_T2_param __t2) 2026227825Stheraven : __second_(_VSTD::forward<_T2_param>(__t2)) {} 2027227825Stheraven _LIBCPP_INLINE_VISIBILITY __libcpp_compressed_pair_imp(_T1_param __t1, _T2_param __t2) 2028227825Stheraven : __first_(_VSTD::forward<_T1_param>(__t1)), __second_(_VSTD::forward<_T2_param>(__t2)) {} 2029227825Stheraven 2030227825Stheraven#ifdef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 2031227825Stheraven 2032227825Stheraven _LIBCPP_INLINE_VISIBILITY 2033227825Stheraven __libcpp_compressed_pair_imp(const __libcpp_compressed_pair_imp& __p) 2034227825Stheraven _NOEXCEPT_(is_nothrow_copy_constructible<_T1>::value && 2035227825Stheraven is_nothrow_copy_constructible<_T2>::value) 2036227825Stheraven : __first_(__p.first()), 2037227825Stheraven __second_(__p.second()) {} 2038227825Stheraven 2039227825Stheraven _LIBCPP_INLINE_VISIBILITY 2040227825Stheraven __libcpp_compressed_pair_imp& operator=(const __libcpp_compressed_pair_imp& __p) 2041227825Stheraven _NOEXCEPT_(is_nothrow_copy_assignable<_T1>::value && 2042227825Stheraven is_nothrow_copy_assignable<_T2>::value) 2043227825Stheraven { 2044227825Stheraven __first_ = __p.first(); 2045227825Stheraven __second_ = __p.second(); 2046227825Stheraven return *this; 2047227825Stheraven } 2048227825Stheraven 2049227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2050227825Stheraven 2051227825Stheraven _LIBCPP_INLINE_VISIBILITY 2052227825Stheraven __libcpp_compressed_pair_imp(__libcpp_compressed_pair_imp&& __p) 2053227825Stheraven _NOEXCEPT_(is_nothrow_move_constructible<_T1>::value && 2054227825Stheraven is_nothrow_move_constructible<_T2>::value) 2055227825Stheraven : __first_(_VSTD::forward<_T1>(__p.first())), 2056227825Stheraven __second_(_VSTD::forward<_T2>(__p.second())) {} 2057227825Stheraven 2058227825Stheraven _LIBCPP_INLINE_VISIBILITY 2059227825Stheraven __libcpp_compressed_pair_imp& operator=(__libcpp_compressed_pair_imp&& __p) 2060227825Stheraven _NOEXCEPT_(is_nothrow_move_assignable<_T1>::value && 2061227825Stheraven is_nothrow_move_assignable<_T2>::value) 2062227825Stheraven { 2063227825Stheraven __first_ = _VSTD::forward<_T1>(__p.first()); 2064227825Stheraven __second_ = _VSTD::forward<_T2>(__p.second()); 2065227825Stheraven return *this; 2066227825Stheraven } 2067227825Stheraven 2068232950Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 2069232950Stheraven 2070232950Stheraven template <class... _Args1, class... _Args2, size_t... _I1, size_t... _I2> 2071232950Stheraven _LIBCPP_INLINE_VISIBILITY 2072232950Stheraven __libcpp_compressed_pair_imp(piecewise_construct_t __pc, 2073232950Stheraven tuple<_Args1...> __first_args, 2074232950Stheraven tuple<_Args2...> __second_args, 2075232950Stheraven __tuple_indices<_I1...>, 2076232950Stheraven __tuple_indices<_I2...>) 2077232950Stheraven : __first_(_VSTD::forward<_Args1>(get<_I1>(__first_args))...), 2078232950Stheraven __second_(_VSTD::forward<_Args2>(get<_I2>(__second_args))...) 2079232950Stheraven {} 2080232950Stheraven 2081232950Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 2082232950Stheraven 2083227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2084227825Stheraven 2085227825Stheraven#endif // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 2086227825Stheraven 2087227825Stheraven _LIBCPP_INLINE_VISIBILITY _T1_reference first() _NOEXCEPT {return __first_;} 2088227825Stheraven _LIBCPP_INLINE_VISIBILITY _T1_const_reference first() const _NOEXCEPT {return __first_;} 2089227825Stheraven 2090227825Stheraven _LIBCPP_INLINE_VISIBILITY _T2_reference second() _NOEXCEPT {return __second_;} 2091227825Stheraven _LIBCPP_INLINE_VISIBILITY _T2_const_reference second() const _NOEXCEPT {return __second_;} 2092227825Stheraven 2093227825Stheraven _LIBCPP_INLINE_VISIBILITY void swap(__libcpp_compressed_pair_imp& __x) 2094227825Stheraven _NOEXCEPT_(__is_nothrow_swappable<_T1>::value && 2095227825Stheraven __is_nothrow_swappable<_T1>::value) 2096227825Stheraven { 2097227825Stheraven using _VSTD::swap; 2098227825Stheraven swap(__first_, __x.__first_); 2099227825Stheraven swap(__second_, __x.__second_); 2100227825Stheraven } 2101227825Stheraven}; 2102227825Stheraven 2103227825Stheraventemplate <class _T1, class _T2> 2104227825Stheravenclass __libcpp_compressed_pair_imp<_T1, _T2, 1> 2105227825Stheraven : private _T1 2106227825Stheraven{ 2107227825Stheravenprivate: 2108227825Stheraven _T2 __second_; 2109227825Stheravenpublic: 2110227825Stheraven typedef _T1 _T1_param; 2111227825Stheraven typedef _T2 _T2_param; 2112227825Stheraven 2113227825Stheraven typedef _T1& _T1_reference; 2114227825Stheraven typedef typename remove_reference<_T2>::type& _T2_reference; 2115227825Stheraven 2116227825Stheraven typedef const _T1& _T1_const_reference; 2117227825Stheraven typedef const typename remove_reference<_T2>::type& _T2_const_reference; 2118227825Stheraven 2119227825Stheraven _LIBCPP_INLINE_VISIBILITY __libcpp_compressed_pair_imp() {} 2120232950Stheraven _LIBCPP_INLINE_VISIBILITY explicit __libcpp_compressed_pair_imp(_T1_param __t1) 2121227825Stheraven : _T1(_VSTD::forward<_T1_param>(__t1)) {} 2122232950Stheraven _LIBCPP_INLINE_VISIBILITY explicit __libcpp_compressed_pair_imp(_T2_param __t2) 2123227825Stheraven : __second_(_VSTD::forward<_T2_param>(__t2)) {} 2124227825Stheraven _LIBCPP_INLINE_VISIBILITY __libcpp_compressed_pair_imp(_T1_param __t1, _T2_param __t2) 2125227825Stheraven : _T1(_VSTD::forward<_T1_param>(__t1)), __second_(_VSTD::forward<_T2_param>(__t2)) {} 2126227825Stheraven 2127227825Stheraven#ifdef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 2128227825Stheraven 2129227825Stheraven _LIBCPP_INLINE_VISIBILITY 2130227825Stheraven __libcpp_compressed_pair_imp(const __libcpp_compressed_pair_imp& __p) 2131227825Stheraven _NOEXCEPT_(is_nothrow_copy_constructible<_T1>::value && 2132227825Stheraven is_nothrow_copy_constructible<_T2>::value) 2133227825Stheraven : _T1(__p.first()), __second_(__p.second()) {} 2134227825Stheraven 2135227825Stheraven _LIBCPP_INLINE_VISIBILITY 2136227825Stheraven __libcpp_compressed_pair_imp& operator=(const __libcpp_compressed_pair_imp& __p) 2137227825Stheraven _NOEXCEPT_(is_nothrow_copy_assignable<_T1>::value && 2138227825Stheraven is_nothrow_copy_assignable<_T2>::value) 2139227825Stheraven { 2140227825Stheraven _T1::operator=(__p.first()); 2141227825Stheraven __second_ = __p.second(); 2142227825Stheraven return *this; 2143227825Stheraven } 2144227825Stheraven 2145227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2146227825Stheraven 2147227825Stheraven _LIBCPP_INLINE_VISIBILITY 2148227825Stheraven __libcpp_compressed_pair_imp(__libcpp_compressed_pair_imp&& __p) 2149227825Stheraven _NOEXCEPT_(is_nothrow_move_constructible<_T1>::value && 2150227825Stheraven is_nothrow_move_constructible<_T2>::value) 2151227825Stheraven : _T1(_VSTD::move(__p.first())), __second_(_VSTD::forward<_T2>(__p.second())) {} 2152227825Stheraven 2153227825Stheraven _LIBCPP_INLINE_VISIBILITY 2154227825Stheraven __libcpp_compressed_pair_imp& operator=(__libcpp_compressed_pair_imp&& __p) 2155227825Stheraven _NOEXCEPT_(is_nothrow_move_assignable<_T1>::value && 2156227825Stheraven is_nothrow_move_assignable<_T2>::value) 2157227825Stheraven { 2158227825Stheraven _T1::operator=(_VSTD::move(__p.first())); 2159227825Stheraven __second_ = _VSTD::forward<_T2>(__p.second()); 2160227825Stheraven return *this; 2161227825Stheraven } 2162227825Stheraven 2163232950Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 2164232950Stheraven 2165232950Stheraven template <class... _Args1, class... _Args2, size_t... _I1, size_t... _I2> 2166232950Stheraven _LIBCPP_INLINE_VISIBILITY 2167232950Stheraven __libcpp_compressed_pair_imp(piecewise_construct_t __pc, 2168232950Stheraven tuple<_Args1...> __first_args, 2169232950Stheraven tuple<_Args2...> __second_args, 2170232950Stheraven __tuple_indices<_I1...>, 2171232950Stheraven __tuple_indices<_I2...>) 2172232950Stheraven : _T1(_VSTD::forward<_Args1>(get<_I1>(__first_args))...), 2173232950Stheraven __second_(_VSTD::forward<_Args2>(get<_I2>(__second_args))...) 2174232950Stheraven {} 2175232950Stheraven 2176232950Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 2177232950Stheraven 2178227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2179227825Stheraven 2180227825Stheraven#endif // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 2181227825Stheraven 2182227825Stheraven _LIBCPP_INLINE_VISIBILITY _T1_reference first() _NOEXCEPT {return *this;} 2183227825Stheraven _LIBCPP_INLINE_VISIBILITY _T1_const_reference first() const _NOEXCEPT {return *this;} 2184227825Stheraven 2185227825Stheraven _LIBCPP_INLINE_VISIBILITY _T2_reference second() _NOEXCEPT {return __second_;} 2186227825Stheraven _LIBCPP_INLINE_VISIBILITY _T2_const_reference second() const _NOEXCEPT {return __second_;} 2187227825Stheraven 2188227825Stheraven _LIBCPP_INLINE_VISIBILITY void swap(__libcpp_compressed_pair_imp& __x) 2189227825Stheraven _NOEXCEPT_(__is_nothrow_swappable<_T1>::value && 2190227825Stheraven __is_nothrow_swappable<_T1>::value) 2191227825Stheraven { 2192227825Stheraven using _VSTD::swap; 2193227825Stheraven swap(__second_, __x.__second_); 2194227825Stheraven } 2195227825Stheraven}; 2196227825Stheraven 2197227825Stheraventemplate <class _T1, class _T2> 2198227825Stheravenclass __libcpp_compressed_pair_imp<_T1, _T2, 2> 2199227825Stheraven : private _T2 2200227825Stheraven{ 2201227825Stheravenprivate: 2202227825Stheraven _T1 __first_; 2203227825Stheravenpublic: 2204227825Stheraven typedef _T1 _T1_param; 2205227825Stheraven typedef _T2 _T2_param; 2206227825Stheraven 2207227825Stheraven typedef typename remove_reference<_T1>::type& _T1_reference; 2208227825Stheraven typedef _T2& _T2_reference; 2209227825Stheraven 2210227825Stheraven typedef const typename remove_reference<_T1>::type& _T1_const_reference; 2211227825Stheraven typedef const _T2& _T2_const_reference; 2212227825Stheraven 2213227825Stheraven _LIBCPP_INLINE_VISIBILITY __libcpp_compressed_pair_imp() {} 2214227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit __libcpp_compressed_pair_imp(_T1_param __t1) 2215227825Stheraven : __first_(_VSTD::forward<_T1_param>(__t1)) {} 2216227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit __libcpp_compressed_pair_imp(_T2_param __t2) 2217227825Stheraven : _T2(_VSTD::forward<_T2_param>(__t2)) {} 2218227825Stheraven _LIBCPP_INLINE_VISIBILITY __libcpp_compressed_pair_imp(_T1_param __t1, _T2_param __t2) 2219227825Stheraven _NOEXCEPT_(is_nothrow_move_constructible<_T1>::value && 2220227825Stheraven is_nothrow_move_constructible<_T2>::value) 2221227825Stheraven : _T2(_VSTD::forward<_T2_param>(__t2)), __first_(_VSTD::forward<_T1_param>(__t1)) {} 2222227825Stheraven 2223227825Stheraven#ifdef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 2224227825Stheraven 2225227825Stheraven _LIBCPP_INLINE_VISIBILITY 2226227825Stheraven __libcpp_compressed_pair_imp(const __libcpp_compressed_pair_imp& __p) 2227227825Stheraven _NOEXCEPT_(is_nothrow_copy_constructible<_T1>::value && 2228227825Stheraven is_nothrow_copy_constructible<_T2>::value) 2229227825Stheraven : _T2(__p.second()), __first_(__p.first()) {} 2230227825Stheraven 2231227825Stheraven _LIBCPP_INLINE_VISIBILITY 2232227825Stheraven __libcpp_compressed_pair_imp& operator=(const __libcpp_compressed_pair_imp& __p) 2233227825Stheraven _NOEXCEPT_(is_nothrow_copy_assignable<_T1>::value && 2234227825Stheraven is_nothrow_copy_assignable<_T2>::value) 2235227825Stheraven { 2236227825Stheraven _T2::operator=(__p.second()); 2237227825Stheraven __first_ = __p.first(); 2238227825Stheraven return *this; 2239227825Stheraven } 2240227825Stheraven 2241227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2242227825Stheraven 2243227825Stheraven _LIBCPP_INLINE_VISIBILITY 2244227825Stheraven __libcpp_compressed_pair_imp(__libcpp_compressed_pair_imp&& __p) 2245227825Stheraven _NOEXCEPT_(is_nothrow_move_constructible<_T1>::value && 2246227825Stheraven is_nothrow_move_constructible<_T2>::value) 2247227825Stheraven : _T2(_VSTD::forward<_T2>(__p.second())), __first_(_VSTD::move(__p.first())) {} 2248227825Stheraven 2249227825Stheraven _LIBCPP_INLINE_VISIBILITY 2250227825Stheraven __libcpp_compressed_pair_imp& operator=(__libcpp_compressed_pair_imp&& __p) 2251227825Stheraven _NOEXCEPT_(is_nothrow_move_assignable<_T1>::value && 2252227825Stheraven is_nothrow_move_assignable<_T2>::value) 2253227825Stheraven { 2254227825Stheraven _T2::operator=(_VSTD::forward<_T2>(__p.second())); 2255227825Stheraven __first_ = _VSTD::move(__p.first()); 2256227825Stheraven return *this; 2257227825Stheraven } 2258227825Stheraven 2259232950Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 2260232950Stheraven 2261232950Stheraven template <class... _Args1, class... _Args2, size_t... _I1, size_t... _I2> 2262232950Stheraven _LIBCPP_INLINE_VISIBILITY 2263232950Stheraven __libcpp_compressed_pair_imp(piecewise_construct_t __pc, 2264232950Stheraven tuple<_Args1...> __first_args, 2265232950Stheraven tuple<_Args2...> __second_args, 2266232950Stheraven __tuple_indices<_I1...>, 2267232950Stheraven __tuple_indices<_I2...>) 2268232950Stheraven : _T2(_VSTD::forward<_Args2>(get<_I2>(__second_args))...), 2269232950Stheraven __first_(_VSTD::forward<_Args1>(get<_I1>(__first_args))...) 2270232950Stheraven 2271232950Stheraven {} 2272232950Stheraven 2273232950Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 2274232950Stheraven 2275227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2276227825Stheraven 2277227825Stheraven#endif // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 2278227825Stheraven 2279227825Stheraven _LIBCPP_INLINE_VISIBILITY _T1_reference first() _NOEXCEPT {return __first_;} 2280227825Stheraven _LIBCPP_INLINE_VISIBILITY _T1_const_reference first() const _NOEXCEPT {return __first_;} 2281227825Stheraven 2282227825Stheraven _LIBCPP_INLINE_VISIBILITY _T2_reference second() _NOEXCEPT {return *this;} 2283227825Stheraven _LIBCPP_INLINE_VISIBILITY _T2_const_reference second() const _NOEXCEPT {return *this;} 2284227825Stheraven 2285227825Stheraven _LIBCPP_INLINE_VISIBILITY void swap(__libcpp_compressed_pair_imp& __x) 2286227825Stheraven _NOEXCEPT_(__is_nothrow_swappable<_T1>::value && 2287227825Stheraven __is_nothrow_swappable<_T1>::value) 2288227825Stheraven { 2289227825Stheraven using _VSTD::swap; 2290227825Stheraven swap(__first_, __x.__first_); 2291227825Stheraven } 2292227825Stheraven}; 2293227825Stheraven 2294227825Stheraventemplate <class _T1, class _T2> 2295227825Stheravenclass __libcpp_compressed_pair_imp<_T1, _T2, 3> 2296227825Stheraven : private _T1, 2297227825Stheraven private _T2 2298227825Stheraven{ 2299227825Stheravenpublic: 2300227825Stheraven typedef _T1 _T1_param; 2301227825Stheraven typedef _T2 _T2_param; 2302227825Stheraven 2303227825Stheraven typedef _T1& _T1_reference; 2304227825Stheraven typedef _T2& _T2_reference; 2305227825Stheraven 2306227825Stheraven typedef const _T1& _T1_const_reference; 2307227825Stheraven typedef const _T2& _T2_const_reference; 2308227825Stheraven 2309227825Stheraven _LIBCPP_INLINE_VISIBILITY __libcpp_compressed_pair_imp() {} 2310227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit __libcpp_compressed_pair_imp(_T1_param __t1) 2311227825Stheraven : _T1(_VSTD::forward<_T1_param>(__t1)) {} 2312227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit __libcpp_compressed_pair_imp(_T2_param __t2) 2313227825Stheraven : _T2(_VSTD::forward<_T2_param>(__t2)) {} 2314227825Stheraven _LIBCPP_INLINE_VISIBILITY __libcpp_compressed_pair_imp(_T1_param __t1, _T2_param __t2) 2315227825Stheraven : _T1(_VSTD::forward<_T1_param>(__t1)), _T2(_VSTD::forward<_T2_param>(__t2)) {} 2316227825Stheraven 2317227825Stheraven#ifdef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 2318227825Stheraven 2319227825Stheraven _LIBCPP_INLINE_VISIBILITY 2320227825Stheraven __libcpp_compressed_pair_imp(const __libcpp_compressed_pair_imp& __p) 2321227825Stheraven _NOEXCEPT_(is_nothrow_copy_constructible<_T1>::value && 2322227825Stheraven is_nothrow_copy_constructible<_T2>::value) 2323227825Stheraven : _T1(__p.first()), _T2(__p.second()) {} 2324227825Stheraven 2325227825Stheraven _LIBCPP_INLINE_VISIBILITY 2326227825Stheraven __libcpp_compressed_pair_imp& operator=(const __libcpp_compressed_pair_imp& __p) 2327227825Stheraven _NOEXCEPT_(is_nothrow_copy_assignable<_T1>::value && 2328227825Stheraven is_nothrow_copy_assignable<_T2>::value) 2329227825Stheraven { 2330227825Stheraven _T1::operator=(__p.first()); 2331227825Stheraven _T2::operator=(__p.second()); 2332227825Stheraven return *this; 2333227825Stheraven } 2334227825Stheraven 2335227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2336227825Stheraven 2337227825Stheraven _LIBCPP_INLINE_VISIBILITY 2338227825Stheraven __libcpp_compressed_pair_imp(__libcpp_compressed_pair_imp&& __p) 2339227825Stheraven _NOEXCEPT_(is_nothrow_move_constructible<_T1>::value && 2340227825Stheraven is_nothrow_move_constructible<_T2>::value) 2341227825Stheraven : _T1(_VSTD::move(__p.first())), _T2(_VSTD::move(__p.second())) {} 2342227825Stheraven 2343227825Stheraven _LIBCPP_INLINE_VISIBILITY 2344227825Stheraven __libcpp_compressed_pair_imp& operator=(__libcpp_compressed_pair_imp&& __p) 2345227825Stheraven _NOEXCEPT_(is_nothrow_move_assignable<_T1>::value && 2346227825Stheraven is_nothrow_move_assignable<_T2>::value) 2347227825Stheraven { 2348227825Stheraven _T1::operator=(_VSTD::move(__p.first())); 2349227825Stheraven _T2::operator=(_VSTD::move(__p.second())); 2350227825Stheraven return *this; 2351227825Stheraven } 2352227825Stheraven 2353232950Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 2354232950Stheraven 2355232950Stheraven template <class... _Args1, class... _Args2, size_t... _I1, size_t... _I2> 2356232950Stheraven _LIBCPP_INLINE_VISIBILITY 2357232950Stheraven __libcpp_compressed_pair_imp(piecewise_construct_t __pc, 2358232950Stheraven tuple<_Args1...> __first_args, 2359232950Stheraven tuple<_Args2...> __second_args, 2360232950Stheraven __tuple_indices<_I1...>, 2361232950Stheraven __tuple_indices<_I2...>) 2362232950Stheraven : _T1(_VSTD::forward<_Args1>(get<_I1>(__first_args))...), 2363232950Stheraven _T2(_VSTD::forward<_Args2>(get<_I2>(__second_args))...) 2364232950Stheraven {} 2365232950Stheraven 2366232950Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 2367232950Stheraven 2368227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2369227825Stheraven 2370227825Stheraven#endif // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 2371227825Stheraven 2372227825Stheraven _LIBCPP_INLINE_VISIBILITY _T1_reference first() _NOEXCEPT {return *this;} 2373227825Stheraven _LIBCPP_INLINE_VISIBILITY _T1_const_reference first() const _NOEXCEPT {return *this;} 2374227825Stheraven 2375227825Stheraven _LIBCPP_INLINE_VISIBILITY _T2_reference second() _NOEXCEPT {return *this;} 2376227825Stheraven _LIBCPP_INLINE_VISIBILITY _T2_const_reference second() const _NOEXCEPT {return *this;} 2377227825Stheraven 2378232950Stheraven _LIBCPP_INLINE_VISIBILITY void swap(__libcpp_compressed_pair_imp&) 2379227825Stheraven _NOEXCEPT_(__is_nothrow_swappable<_T1>::value && 2380227825Stheraven __is_nothrow_swappable<_T1>::value) 2381227825Stheraven { 2382227825Stheraven } 2383227825Stheraven}; 2384227825Stheraven 2385227825Stheraventemplate <class _T1, class _T2> 2386227825Stheravenclass __compressed_pair 2387227825Stheraven : private __libcpp_compressed_pair_imp<_T1, _T2> 2388227825Stheraven{ 2389227825Stheraven typedef __libcpp_compressed_pair_imp<_T1, _T2> base; 2390227825Stheravenpublic: 2391227825Stheraven typedef typename base::_T1_param _T1_param; 2392227825Stheraven typedef typename base::_T2_param _T2_param; 2393227825Stheraven 2394227825Stheraven typedef typename base::_T1_reference _T1_reference; 2395227825Stheraven typedef typename base::_T2_reference _T2_reference; 2396227825Stheraven 2397227825Stheraven typedef typename base::_T1_const_reference _T1_const_reference; 2398227825Stheraven typedef typename base::_T2_const_reference _T2_const_reference; 2399227825Stheraven 2400227825Stheraven _LIBCPP_INLINE_VISIBILITY __compressed_pair() {} 2401232950Stheraven _LIBCPP_INLINE_VISIBILITY explicit __compressed_pair(_T1_param __t1) 2402227825Stheraven : base(_VSTD::forward<_T1_param>(__t1)) {} 2403232950Stheraven _LIBCPP_INLINE_VISIBILITY explicit __compressed_pair(_T2_param __t2) 2404227825Stheraven : base(_VSTD::forward<_T2_param>(__t2)) {} 2405227825Stheraven _LIBCPP_INLINE_VISIBILITY __compressed_pair(_T1_param __t1, _T2_param __t2) 2406227825Stheraven : base(_VSTD::forward<_T1_param>(__t1), _VSTD::forward<_T2_param>(__t2)) {} 2407227825Stheraven 2408227825Stheraven#ifdef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 2409227825Stheraven 2410227825Stheraven _LIBCPP_INLINE_VISIBILITY 2411227825Stheraven __compressed_pair(const __compressed_pair& __p) 2412227825Stheraven _NOEXCEPT_(is_nothrow_copy_constructible<_T1>::value && 2413227825Stheraven is_nothrow_copy_constructible<_T2>::value) 2414227825Stheraven : base(__p) {} 2415227825Stheraven 2416227825Stheraven _LIBCPP_INLINE_VISIBILITY 2417227825Stheraven __compressed_pair& operator=(const __compressed_pair& __p) 2418227825Stheraven _NOEXCEPT_(is_nothrow_copy_assignable<_T1>::value && 2419227825Stheraven is_nothrow_copy_assignable<_T2>::value) 2420227825Stheraven { 2421227825Stheraven base::operator=(__p); 2422227825Stheraven return *this; 2423227825Stheraven } 2424227825Stheraven 2425227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2426227825Stheraven _LIBCPP_INLINE_VISIBILITY 2427227825Stheraven __compressed_pair(__compressed_pair&& __p) 2428227825Stheraven _NOEXCEPT_(is_nothrow_move_constructible<_T1>::value && 2429227825Stheraven is_nothrow_move_constructible<_T2>::value) 2430227825Stheraven : base(_VSTD::move(__p)) {} 2431227825Stheraven 2432227825Stheraven _LIBCPP_INLINE_VISIBILITY 2433227825Stheraven __compressed_pair& operator=(__compressed_pair&& __p) 2434227825Stheraven _NOEXCEPT_(is_nothrow_move_assignable<_T1>::value && 2435227825Stheraven is_nothrow_move_assignable<_T2>::value) 2436227825Stheraven { 2437227825Stheraven base::operator=(_VSTD::move(__p)); 2438227825Stheraven return *this; 2439227825Stheraven } 2440232950Stheraven 2441232950Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 2442232950Stheraven 2443232950Stheraven template <class... _Args1, class... _Args2> 2444232950Stheraven _LIBCPP_INLINE_VISIBILITY 2445232950Stheraven __compressed_pair(piecewise_construct_t __pc, tuple<_Args1...> __first_args, 2446232950Stheraven tuple<_Args2...> __second_args) 2447232950Stheraven : base(__pc, _VSTD::move(__first_args), _VSTD::move(__second_args), 2448232950Stheraven typename __make_tuple_indices<sizeof...(_Args1)>::type(), 2449232950Stheraven typename __make_tuple_indices<sizeof...(_Args2) >::type()) 2450232950Stheraven {} 2451232950Stheraven 2452232950Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 2453232950Stheraven 2454227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2455227825Stheraven 2456227825Stheraven#endif // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 2457227825Stheraven 2458227825Stheraven _LIBCPP_INLINE_VISIBILITY _T1_reference first() _NOEXCEPT {return base::first();} 2459227825Stheraven _LIBCPP_INLINE_VISIBILITY _T1_const_reference first() const _NOEXCEPT {return base::first();} 2460227825Stheraven 2461227825Stheraven _LIBCPP_INLINE_VISIBILITY _T2_reference second() _NOEXCEPT {return base::second();} 2462227825Stheraven _LIBCPP_INLINE_VISIBILITY _T2_const_reference second() const _NOEXCEPT {return base::second();} 2463227825Stheraven 2464227825Stheraven _LIBCPP_INLINE_VISIBILITY void swap(__compressed_pair& __x) 2465227825Stheraven _NOEXCEPT_(__is_nothrow_swappable<_T1>::value && 2466227825Stheraven __is_nothrow_swappable<_T1>::value) 2467227825Stheraven {base::swap(__x);} 2468227825Stheraven}; 2469227825Stheraven 2470227825Stheraventemplate <class _T1, class _T2> 2471227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 2472227825Stheravenvoid 2473227825Stheravenswap(__compressed_pair<_T1, _T2>& __x, __compressed_pair<_T1, _T2>& __y) 2474227825Stheraven _NOEXCEPT_(__is_nothrow_swappable<_T1>::value && 2475227825Stheraven __is_nothrow_swappable<_T1>::value) 2476227825Stheraven {__x.swap(__y);} 2477227825Stheraven 2478232950Stheraven// __same_or_less_cv_qualified 2479232950Stheraven 2480232950Stheraventemplate <class _Ptr1, class _Ptr2, 2481232950Stheraven bool = is_same<typename remove_cv<typename pointer_traits<_Ptr1>::element_type>::type, 2482232950Stheraven typename remove_cv<typename pointer_traits<_Ptr2>::element_type>::type 2483232950Stheraven >::value 2484232950Stheraven > 2485232950Stheravenstruct __same_or_less_cv_qualified_imp 2486232950Stheraven : is_convertible<_Ptr1, _Ptr2> {}; 2487232950Stheraven 2488232950Stheraventemplate <class _Ptr1, class _Ptr2> 2489232950Stheravenstruct __same_or_less_cv_qualified_imp<_Ptr1, _Ptr2, false> 2490232950Stheraven : false_type {}; 2491232950Stheraven 2492232950Stheraventemplate <class _Ptr1, class _Ptr2, bool = is_scalar<_Ptr1>::value && 2493232950Stheraven !is_pointer<_Ptr1>::value> 2494232950Stheravenstruct __same_or_less_cv_qualified 2495232950Stheraven : __same_or_less_cv_qualified_imp<_Ptr1, _Ptr2> {}; 2496232950Stheraven 2497232950Stheraventemplate <class _Ptr1, class _Ptr2> 2498232950Stheravenstruct __same_or_less_cv_qualified<_Ptr1, _Ptr2, true> 2499232950Stheraven : false_type {}; 2500232950Stheraven 2501232950Stheraven// default_delete 2502232950Stheraven 2503227825Stheraventemplate <class _Tp> 2504227825Stheravenstruct _LIBCPP_VISIBLE default_delete 2505227825Stheraven{ 2506227825Stheraven _LIBCPP_INLINE_VISIBILITY default_delete() _NOEXCEPT {} 2507227825Stheraven template <class _Up> 2508227825Stheraven _LIBCPP_INLINE_VISIBILITY default_delete(const default_delete<_Up>&, 2509227825Stheraven typename enable_if<is_convertible<_Up*, _Tp*>::value>::type* = 0) _NOEXCEPT {} 2510227825Stheraven _LIBCPP_INLINE_VISIBILITY void operator() (_Tp* __ptr) const _NOEXCEPT 2511227825Stheraven { 2512227825Stheraven static_assert(sizeof(_Tp) > 0, "default_delete can not delete incomplete type"); 2513227825Stheraven delete __ptr; 2514227825Stheraven } 2515227825Stheraven}; 2516227825Stheraven 2517227825Stheraventemplate <class _Tp> 2518227825Stheravenstruct _LIBCPP_VISIBLE default_delete<_Tp[]> 2519227825Stheraven{ 2520232950Stheravenpublic: 2521232950Stheraven _LIBCPP_INLINE_VISIBILITY default_delete() _NOEXCEPT {} 2522232950Stheraven template <class _Up> 2523232950Stheraven _LIBCPP_INLINE_VISIBILITY default_delete(const default_delete<_Up[]>&, 2524232950Stheraven typename enable_if<__same_or_less_cv_qualified<_Up*, _Tp*>::value>::type* = 0) _NOEXCEPT {} 2525232950Stheraven template <class _Up> 2526232950Stheraven _LIBCPP_INLINE_VISIBILITY 2527232950Stheraven void operator() (_Up* __ptr, 2528232950Stheraven typename enable_if<__same_or_less_cv_qualified<_Up*, _Tp*>::value>::type* = 0) const _NOEXCEPT 2529227825Stheraven { 2530227825Stheraven static_assert(sizeof(_Tp) > 0, "default_delete can not delete incomplete type"); 2531227825Stheraven delete [] __ptr; 2532227825Stheraven } 2533227825Stheraven}; 2534227825Stheraven 2535227825Stheraventemplate <class _Tp, class _Dp = default_delete<_Tp> > 2536227825Stheravenclass _LIBCPP_VISIBLE unique_ptr 2537227825Stheraven{ 2538227825Stheravenpublic: 2539227825Stheraven typedef _Tp element_type; 2540227825Stheraven typedef _Dp deleter_type; 2541227825Stheraven typedef typename __pointer_type<_Tp, deleter_type>::type pointer; 2542227825Stheravenprivate: 2543227825Stheraven __compressed_pair<pointer, deleter_type> __ptr_; 2544227825Stheraven 2545232950Stheraven#ifdef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2546227825Stheraven unique_ptr(unique_ptr&); 2547227825Stheraven template <class _Up, class _Ep> 2548227825Stheraven unique_ptr(unique_ptr<_Up, _Ep>&); 2549227825Stheraven unique_ptr& operator=(unique_ptr&); 2550227825Stheraven template <class _Up, class _Ep> 2551227825Stheraven unique_ptr& operator=(unique_ptr<_Up, _Ep>&); 2552227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2553227825Stheraven 2554227825Stheraven struct __nat {int __for_bool_;}; 2555227825Stheraven 2556227825Stheraven typedef typename remove_reference<deleter_type>::type& _Dp_reference; 2557227825Stheraven typedef const typename remove_reference<deleter_type>::type& _Dp_const_reference; 2558227825Stheravenpublic: 2559227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr() _NOEXCEPT 2560227825Stheraven : __ptr_(pointer()) 2561227825Stheraven { 2562227825Stheraven static_assert(!is_pointer<deleter_type>::value, 2563227825Stheraven "unique_ptr constructed with null function pointer deleter"); 2564227825Stheraven } 2565227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(nullptr_t) _NOEXCEPT 2566227825Stheraven : __ptr_(pointer()) 2567227825Stheraven { 2568227825Stheraven static_assert(!is_pointer<deleter_type>::value, 2569227825Stheraven "unique_ptr constructed with null function pointer deleter"); 2570227825Stheraven } 2571227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit unique_ptr(pointer __p) _NOEXCEPT 2572227825Stheraven : __ptr_(_VSTD::move(__p)) 2573227825Stheraven { 2574227825Stheraven static_assert(!is_pointer<deleter_type>::value, 2575227825Stheraven "unique_ptr constructed with null function pointer deleter"); 2576227825Stheraven } 2577227825Stheraven 2578227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2579227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(pointer __p, typename conditional< 2580227825Stheraven is_reference<deleter_type>::value, 2581227825Stheraven deleter_type, 2582227825Stheraven typename add_lvalue_reference<const deleter_type>::type>::type __d) 2583227825Stheraven _NOEXCEPT 2584227825Stheraven : __ptr_(__p, __d) {} 2585227825Stheraven 2586227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(pointer __p, typename remove_reference<deleter_type>::type&& __d) 2587227825Stheraven _NOEXCEPT 2588227825Stheraven : __ptr_(__p, _VSTD::move(__d)) 2589227825Stheraven { 2590227825Stheraven static_assert(!is_reference<deleter_type>::value, "rvalue deleter bound to reference"); 2591227825Stheraven } 2592227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(unique_ptr&& __u) _NOEXCEPT 2593227825Stheraven : __ptr_(__u.release(), _VSTD::forward<deleter_type>(__u.get_deleter())) {} 2594227825Stheraven template <class _Up, class _Ep> 2595227825Stheraven _LIBCPP_INLINE_VISIBILITY 2596227825Stheraven unique_ptr(unique_ptr<_Up, _Ep>&& __u, 2597227825Stheraven typename enable_if 2598227825Stheraven < 2599227825Stheraven !is_array<_Up>::value && 2600227825Stheraven is_convertible<typename unique_ptr<_Up, _Ep>::pointer, pointer>::value && 2601227825Stheraven is_convertible<_Ep, deleter_type>::value && 2602227825Stheraven ( 2603227825Stheraven !is_reference<deleter_type>::value || 2604227825Stheraven is_same<deleter_type, _Ep>::value 2605227825Stheraven ), 2606227825Stheraven __nat 2607227825Stheraven >::type = __nat()) _NOEXCEPT 2608227825Stheraven : __ptr_(__u.release(), _VSTD::forward<_Ep>(__u.get_deleter())) {} 2609227825Stheraven 2610227825Stheraven template <class _Up> 2611227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(auto_ptr<_Up>&& __p, 2612227825Stheraven typename enable_if< 2613227825Stheraven is_convertible<_Up*, _Tp*>::value && 2614227825Stheraven is_same<_Dp, default_delete<_Tp> >::value, 2615227825Stheraven __nat 2616227825Stheraven >::type = __nat()) _NOEXCEPT 2617227825Stheraven : __ptr_(__p.release()) 2618227825Stheraven { 2619227825Stheraven } 2620227825Stheraven 2621227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr& operator=(unique_ptr&& __u) _NOEXCEPT 2622227825Stheraven { 2623227825Stheraven reset(__u.release()); 2624227825Stheraven __ptr_.second() = _VSTD::forward<deleter_type>(__u.get_deleter()); 2625227825Stheraven return *this; 2626227825Stheraven } 2627227825Stheraven 2628227825Stheraven template <class _Up, class _Ep> 2629227825Stheraven _LIBCPP_INLINE_VISIBILITY 2630227825Stheraven typename enable_if 2631227825Stheraven < 2632232950Stheraven !is_array<_Up>::value && 2633232950Stheraven is_convertible<typename unique_ptr<_Up, _Ep>::pointer, pointer>::value && 2634232950Stheraven is_assignable<deleter_type&, _Ep&&>::value, 2635227825Stheraven unique_ptr& 2636227825Stheraven >::type 2637227825Stheraven operator=(unique_ptr<_Up, _Ep>&& __u) _NOEXCEPT 2638227825Stheraven { 2639227825Stheraven reset(__u.release()); 2640227825Stheraven __ptr_.second() = _VSTD::forward<_Ep>(__u.get_deleter()); 2641227825Stheraven return *this; 2642227825Stheraven } 2643227825Stheraven#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2644227825Stheraven 2645227825Stheraven _LIBCPP_INLINE_VISIBILITY operator __rv<unique_ptr>() 2646227825Stheraven { 2647227825Stheraven return __rv<unique_ptr>(*this); 2648227825Stheraven } 2649227825Stheraven 2650227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(__rv<unique_ptr> __u) 2651227825Stheraven : __ptr_(__u->release(), _VSTD::forward<deleter_type>(__u->get_deleter())) {} 2652227825Stheraven 2653227825Stheraven template <class _Up, class _Ep> 2654227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr& operator=(unique_ptr<_Up, _Ep> __u) 2655227825Stheraven { 2656227825Stheraven reset(__u.release()); 2657227825Stheraven __ptr_.second() = _VSTD::forward<deleter_type>(__u.get_deleter()); 2658227825Stheraven return *this; 2659227825Stheraven } 2660227825Stheraven 2661227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(pointer __p, deleter_type __d) 2662227825Stheraven : __ptr_(_VSTD::move(__p), _VSTD::move(__d)) {} 2663227825Stheraven 2664227825Stheraven template <class _Up> 2665227825Stheraven _LIBCPP_INLINE_VISIBILITY 2666227825Stheraven typename enable_if< 2667227825Stheraven is_convertible<_Up*, _Tp*>::value && 2668227825Stheraven is_same<_Dp, default_delete<_Tp> >::value, 2669227825Stheraven unique_ptr& 2670227825Stheraven >::type 2671227825Stheraven operator=(auto_ptr<_Up> __p) 2672227825Stheraven {reset(__p.release()); return *this;} 2673227825Stheraven 2674227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2675227825Stheraven _LIBCPP_INLINE_VISIBILITY ~unique_ptr() {reset();} 2676227825Stheraven 2677227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr& operator=(nullptr_t) _NOEXCEPT 2678227825Stheraven { 2679227825Stheraven reset(); 2680227825Stheraven return *this; 2681227825Stheraven } 2682227825Stheraven 2683227825Stheraven _LIBCPP_INLINE_VISIBILITY typename add_lvalue_reference<_Tp>::type operator*() const 2684227825Stheraven {return *__ptr_.first();} 2685227825Stheraven _LIBCPP_INLINE_VISIBILITY pointer operator->() const _NOEXCEPT {return __ptr_.first();} 2686227825Stheraven _LIBCPP_INLINE_VISIBILITY pointer get() const _NOEXCEPT {return __ptr_.first();} 2687227825Stheraven _LIBCPP_INLINE_VISIBILITY _Dp_reference get_deleter() _NOEXCEPT 2688227825Stheraven {return __ptr_.second();} 2689227825Stheraven _LIBCPP_INLINE_VISIBILITY _Dp_const_reference get_deleter() const _NOEXCEPT 2690227825Stheraven {return __ptr_.second();} 2691232950Stheraven _LIBCPP_INLINE_VISIBILITY 2692232950Stheraven _LIBCPP_EXPLICIT operator bool() const _NOEXCEPT 2693232950Stheraven {return __ptr_.first() != nullptr;} 2694227825Stheraven 2695227825Stheraven _LIBCPP_INLINE_VISIBILITY pointer release() _NOEXCEPT 2696227825Stheraven { 2697227825Stheraven pointer __t = __ptr_.first(); 2698227825Stheraven __ptr_.first() = pointer(); 2699227825Stheraven return __t; 2700227825Stheraven } 2701227825Stheraven 2702227825Stheraven _LIBCPP_INLINE_VISIBILITY void reset(pointer __p = pointer()) _NOEXCEPT 2703227825Stheraven { 2704227825Stheraven pointer __tmp = __ptr_.first(); 2705227825Stheraven __ptr_.first() = __p; 2706227825Stheraven if (__tmp) 2707227825Stheraven __ptr_.second()(__tmp); 2708227825Stheraven } 2709227825Stheraven 2710227825Stheraven _LIBCPP_INLINE_VISIBILITY void swap(unique_ptr& __u) _NOEXCEPT 2711227825Stheraven {__ptr_.swap(__u.__ptr_);} 2712227825Stheraven}; 2713227825Stheraven 2714227825Stheraventemplate <class _Tp, class _Dp> 2715227825Stheravenclass _LIBCPP_VISIBLE unique_ptr<_Tp[], _Dp> 2716227825Stheraven{ 2717227825Stheravenpublic: 2718227825Stheraven typedef _Tp element_type; 2719227825Stheraven typedef _Dp deleter_type; 2720227825Stheraven typedef typename __pointer_type<_Tp, deleter_type>::type pointer; 2721227825Stheravenprivate: 2722227825Stheraven __compressed_pair<pointer, deleter_type> __ptr_; 2723227825Stheraven 2724232950Stheraven#ifdef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2725227825Stheraven unique_ptr(unique_ptr&); 2726227825Stheraven template <class _Up> 2727227825Stheraven unique_ptr(unique_ptr<_Up>&); 2728227825Stheraven unique_ptr& operator=(unique_ptr&); 2729227825Stheraven template <class _Up> 2730227825Stheraven unique_ptr& operator=(unique_ptr<_Up>&); 2731227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2732227825Stheraven 2733227825Stheraven struct __nat {int __for_bool_;}; 2734227825Stheraven 2735227825Stheraven typedef typename remove_reference<deleter_type>::type& _Dp_reference; 2736227825Stheraven typedef const typename remove_reference<deleter_type>::type& _Dp_const_reference; 2737227825Stheravenpublic: 2738227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr() _NOEXCEPT 2739227825Stheraven : __ptr_(pointer()) 2740227825Stheraven { 2741227825Stheraven static_assert(!is_pointer<deleter_type>::value, 2742227825Stheraven "unique_ptr constructed with null function pointer deleter"); 2743227825Stheraven } 2744227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(nullptr_t) _NOEXCEPT 2745227825Stheraven : __ptr_(pointer()) 2746227825Stheraven { 2747227825Stheraven static_assert(!is_pointer<deleter_type>::value, 2748227825Stheraven "unique_ptr constructed with null function pointer deleter"); 2749227825Stheraven } 2750227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2751232950Stheraven template <class _Pp, 2752232950Stheraven class = typename enable_if<__same_or_less_cv_qualified<_Pp, pointer>::value>::type 2753227825Stheraven > 2754232950Stheraven _LIBCPP_INLINE_VISIBILITY explicit unique_ptr(_Pp __p) _NOEXCEPT 2755227825Stheraven : __ptr_(__p) 2756227825Stheraven { 2757227825Stheraven static_assert(!is_pointer<deleter_type>::value, 2758227825Stheraven "unique_ptr constructed with null function pointer deleter"); 2759227825Stheraven } 2760227825Stheraven 2761232950Stheraven template <class _Pp, 2762232950Stheraven class = typename enable_if<__same_or_less_cv_qualified<_Pp, pointer>::value>::type 2763227825Stheraven > 2764232950Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(_Pp __p, typename conditional< 2765227825Stheraven is_reference<deleter_type>::value, 2766227825Stheraven deleter_type, 2767227825Stheraven typename add_lvalue_reference<const deleter_type>::type>::type __d) 2768227825Stheraven _NOEXCEPT 2769227825Stheraven : __ptr_(__p, __d) {} 2770227825Stheraven 2771227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(nullptr_t, typename conditional< 2772227825Stheraven is_reference<deleter_type>::value, 2773227825Stheraven deleter_type, 2774227825Stheraven typename add_lvalue_reference<const deleter_type>::type>::type __d) 2775227825Stheraven _NOEXCEPT 2776227825Stheraven : __ptr_(pointer(), __d) {} 2777227825Stheraven 2778232950Stheraven template <class _Pp, 2779232950Stheraven class = typename enable_if<__same_or_less_cv_qualified<_Pp, pointer>::value>::type 2780227825Stheraven > 2781232950Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(_Pp __p, typename remove_reference<deleter_type>::type&& __d) 2782227825Stheraven _NOEXCEPT 2783227825Stheraven : __ptr_(__p, _VSTD::move(__d)) 2784227825Stheraven { 2785227825Stheraven static_assert(!is_reference<deleter_type>::value, "rvalue deleter bound to reference"); 2786227825Stheraven } 2787227825Stheraven 2788227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(nullptr_t, typename remove_reference<deleter_type>::type&& __d) 2789227825Stheraven _NOEXCEPT 2790227825Stheraven : __ptr_(pointer(), _VSTD::move(__d)) 2791227825Stheraven { 2792227825Stheraven static_assert(!is_reference<deleter_type>::value, "rvalue deleter bound to reference"); 2793227825Stheraven } 2794227825Stheraven 2795227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(unique_ptr&& __u) _NOEXCEPT 2796227825Stheraven : __ptr_(__u.release(), _VSTD::forward<deleter_type>(__u.get_deleter())) {} 2797227825Stheraven 2798227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr& operator=(unique_ptr&& __u) _NOEXCEPT 2799227825Stheraven { 2800227825Stheraven reset(__u.release()); 2801227825Stheraven __ptr_.second() = _VSTD::forward<deleter_type>(__u.get_deleter()); 2802227825Stheraven return *this; 2803227825Stheraven } 2804232950Stheraven 2805232950Stheraven template <class _Up, class _Ep> 2806232950Stheraven _LIBCPP_INLINE_VISIBILITY 2807232950Stheraven unique_ptr(unique_ptr<_Up, _Ep>&& __u, 2808232950Stheraven typename enable_if 2809232950Stheraven < 2810232950Stheraven is_array<_Up>::value && 2811232950Stheraven __same_or_less_cv_qualified<typename unique_ptr<_Up, _Ep>::pointer, pointer>::value 2812232950Stheraven && is_convertible<_Ep, deleter_type>::value && 2813232950Stheraven ( 2814232950Stheraven !is_reference<deleter_type>::value || 2815232950Stheraven is_same<deleter_type, _Ep>::value 2816232950Stheraven ), 2817232950Stheraven __nat 2818232950Stheraven >::type = __nat() 2819232950Stheraven ) _NOEXCEPT 2820232950Stheraven : __ptr_(__u.release(), _VSTD::forward<deleter_type>(__u.get_deleter())) {} 2821232950Stheraven 2822232950Stheraven 2823232950Stheraven template <class _Up, class _Ep> 2824232950Stheraven _LIBCPP_INLINE_VISIBILITY 2825232950Stheraven typename enable_if 2826232950Stheraven < 2827232950Stheraven is_array<_Up>::value && 2828232950Stheraven __same_or_less_cv_qualified<typename unique_ptr<_Up, _Ep>::pointer, pointer>::value && 2829232950Stheraven is_assignable<deleter_type&, _Ep&&>::value, 2830232950Stheraven unique_ptr& 2831232950Stheraven >::type 2832232950Stheraven operator=(unique_ptr<_Up, _Ep>&& __u) _NOEXCEPT 2833232950Stheraven { 2834232950Stheraven reset(__u.release()); 2835232950Stheraven __ptr_.second() = _VSTD::forward<_Ep>(__u.get_deleter()); 2836232950Stheraven return *this; 2837232950Stheraven } 2838227825Stheraven#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2839227825Stheraven 2840227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit unique_ptr(pointer __p) 2841227825Stheraven : __ptr_(__p) 2842227825Stheraven { 2843227825Stheraven static_assert(!is_pointer<deleter_type>::value, 2844227825Stheraven "unique_ptr constructed with null function pointer deleter"); 2845227825Stheraven } 2846227825Stheraven 2847227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(pointer __p, deleter_type __d) 2848227825Stheraven : __ptr_(__p, _VSTD::forward<deleter_type>(__d)) {} 2849227825Stheraven 2850227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(nullptr_t, deleter_type __d) 2851227825Stheraven : __ptr_(pointer(), _VSTD::forward<deleter_type>(__d)) {} 2852227825Stheraven 2853227825Stheraven _LIBCPP_INLINE_VISIBILITY operator __rv<unique_ptr>() 2854227825Stheraven { 2855227825Stheraven return __rv<unique_ptr>(*this); 2856227825Stheraven } 2857227825Stheraven 2858227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(__rv<unique_ptr> __u) 2859227825Stheraven : __ptr_(__u->release(), _VSTD::forward<deleter_type>(__u->get_deleter())) {} 2860227825Stheraven 2861227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr& operator=(__rv<unique_ptr> __u) 2862227825Stheraven { 2863227825Stheraven reset(__u->release()); 2864227825Stheraven __ptr_.second() = _VSTD::forward<deleter_type>(__u->get_deleter()); 2865227825Stheraven return *this; 2866227825Stheraven } 2867227825Stheraven 2868227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2869227825Stheraven _LIBCPP_INLINE_VISIBILITY ~unique_ptr() {reset();} 2870227825Stheraven 2871227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr& operator=(nullptr_t) _NOEXCEPT 2872227825Stheraven { 2873227825Stheraven reset(); 2874227825Stheraven return *this; 2875227825Stheraven } 2876227825Stheraven 2877227825Stheraven _LIBCPP_INLINE_VISIBILITY typename add_lvalue_reference<_Tp>::type operator[](size_t __i) const 2878227825Stheraven {return __ptr_.first()[__i];} 2879227825Stheraven _LIBCPP_INLINE_VISIBILITY pointer get() const _NOEXCEPT {return __ptr_.first();} 2880227825Stheraven _LIBCPP_INLINE_VISIBILITY _Dp_reference get_deleter() _NOEXCEPT 2881227825Stheraven {return __ptr_.second();} 2882227825Stheraven _LIBCPP_INLINE_VISIBILITY _Dp_const_reference get_deleter() const _NOEXCEPT 2883227825Stheraven {return __ptr_.second();} 2884232950Stheraven _LIBCPP_INLINE_VISIBILITY 2885232950Stheraven _LIBCPP_EXPLICIT operator bool() const _NOEXCEPT 2886232950Stheraven {return __ptr_.first() != nullptr;} 2887227825Stheraven 2888227825Stheraven _LIBCPP_INLINE_VISIBILITY pointer release() _NOEXCEPT 2889227825Stheraven { 2890227825Stheraven pointer __t = __ptr_.first(); 2891227825Stheraven __ptr_.first() = pointer(); 2892227825Stheraven return __t; 2893227825Stheraven } 2894227825Stheraven 2895227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2896232950Stheraven template <class _Pp, 2897232950Stheraven class = typename enable_if<__same_or_less_cv_qualified<_Pp, pointer>::value>::type 2898227825Stheraven > 2899232950Stheraven _LIBCPP_INLINE_VISIBILITY void reset(_Pp __p) _NOEXCEPT 2900227825Stheraven { 2901227825Stheraven pointer __tmp = __ptr_.first(); 2902227825Stheraven __ptr_.first() = __p; 2903227825Stheraven if (__tmp) 2904227825Stheraven __ptr_.second()(__tmp); 2905227825Stheraven } 2906227825Stheraven _LIBCPP_INLINE_VISIBILITY void reset(nullptr_t) _NOEXCEPT 2907227825Stheraven { 2908227825Stheraven pointer __tmp = __ptr_.first(); 2909227825Stheraven __ptr_.first() = nullptr; 2910227825Stheraven if (__tmp) 2911227825Stheraven __ptr_.second()(__tmp); 2912227825Stheraven } 2913227825Stheraven _LIBCPP_INLINE_VISIBILITY void reset() _NOEXCEPT 2914227825Stheraven { 2915227825Stheraven pointer __tmp = __ptr_.first(); 2916227825Stheraven __ptr_.first() = nullptr; 2917227825Stheraven if (__tmp) 2918227825Stheraven __ptr_.second()(__tmp); 2919227825Stheraven } 2920227825Stheraven#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2921227825Stheraven _LIBCPP_INLINE_VISIBILITY void reset(pointer __p = pointer()) 2922227825Stheraven { 2923227825Stheraven pointer __tmp = __ptr_.first(); 2924227825Stheraven __ptr_.first() = __p; 2925227825Stheraven if (__tmp) 2926227825Stheraven __ptr_.second()(__tmp); 2927227825Stheraven } 2928227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2929227825Stheraven 2930227825Stheraven _LIBCPP_INLINE_VISIBILITY void swap(unique_ptr& __u) {__ptr_.swap(__u.__ptr_);} 2931227825Stheravenprivate: 2932227825Stheraven 2933227825Stheraven#ifdef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2934227825Stheraven template <class _Up> 2935227825Stheraven explicit unique_ptr(_Up); 2936227825Stheraven template <class _Up> 2937227825Stheraven unique_ptr(_Up __u, 2938227825Stheraven typename conditional< 2939227825Stheraven is_reference<deleter_type>::value, 2940227825Stheraven deleter_type, 2941227825Stheraven typename add_lvalue_reference<const deleter_type>::type>::type, 2942227825Stheraven typename enable_if 2943227825Stheraven < 2944227825Stheraven is_convertible<_Up, pointer>::value, 2945227825Stheraven __nat 2946227825Stheraven >::type = __nat()); 2947227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2948227825Stheraven}; 2949227825Stheraven 2950227825Stheraventemplate <class _Tp, class _Dp> 2951227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 2952227825Stheravenvoid 2953227825Stheravenswap(unique_ptr<_Tp, _Dp>& __x, unique_ptr<_Tp, _Dp>& __y) _NOEXCEPT {__x.swap(__y);} 2954227825Stheraven 2955227825Stheraventemplate <class _T1, class _D1, class _T2, class _D2> 2956227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 2957227825Stheravenbool 2958227825Stheravenoperator==(const unique_ptr<_T1, _D1>& __x, const unique_ptr<_T2, _D2>& __y) {return __x.get() == __y.get();} 2959227825Stheraven 2960227825Stheraventemplate <class _T1, class _D1, class _T2, class _D2> 2961227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 2962227825Stheravenbool 2963227825Stheravenoperator!=(const unique_ptr<_T1, _D1>& __x, const unique_ptr<_T2, _D2>& __y) {return !(__x == __y);} 2964227825Stheraven 2965227825Stheraventemplate <class _T1, class _D1, class _T2, class _D2> 2966227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 2967227825Stheravenbool 2968232950Stheravenoperator< (const unique_ptr<_T1, _D1>& __x, const unique_ptr<_T2, _D2>& __y) 2969232950Stheraven{ 2970232950Stheraven typedef typename unique_ptr<_T1, _D1>::pointer _P1; 2971232950Stheraven typedef typename unique_ptr<_T2, _D2>::pointer _P2; 2972232950Stheraven typedef typename common_type<_P1, _P2>::type _V; 2973232950Stheraven return less<_V>()(__x.get(), __y.get()); 2974232950Stheraven} 2975227825Stheraven 2976227825Stheraventemplate <class _T1, class _D1, class _T2, class _D2> 2977227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 2978227825Stheravenbool 2979227825Stheravenoperator> (const unique_ptr<_T1, _D1>& __x, const unique_ptr<_T2, _D2>& __y) {return __y < __x;} 2980227825Stheraven 2981227825Stheraventemplate <class _T1, class _D1, class _T2, class _D2> 2982227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 2983227825Stheravenbool 2984227825Stheravenoperator<=(const unique_ptr<_T1, _D1>& __x, const unique_ptr<_T2, _D2>& __y) {return !(__y < __x);} 2985227825Stheraven 2986227825Stheraventemplate <class _T1, class _D1, class _T2, class _D2> 2987227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 2988227825Stheravenbool 2989227825Stheravenoperator>=(const unique_ptr<_T1, _D1>& __x, const unique_ptr<_T2, _D2>& __y) {return !(__x < __y);} 2990227825Stheraven 2991232950Stheraventemplate <class _T1, class _D1> 2992232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 2993232950Stheravenbool 2994232950Stheravenoperator==(const unique_ptr<_T1, _D1>& __x, nullptr_t) 2995232950Stheraven{ 2996232950Stheraven return !__x; 2997232950Stheraven} 2998232950Stheraven 2999232950Stheraventemplate <class _T1, class _D1> 3000232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 3001232950Stheravenbool 3002232950Stheravenoperator==(nullptr_t, const unique_ptr<_T1, _D1>& __x) 3003232950Stheraven{ 3004232950Stheraven return !__x; 3005232950Stheraven} 3006232950Stheraven 3007232950Stheraventemplate <class _T1, class _D1> 3008232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 3009232950Stheravenbool 3010232950Stheravenoperator!=(const unique_ptr<_T1, _D1>& __x, nullptr_t) 3011232950Stheraven{ 3012232950Stheraven return static_cast<bool>(__x); 3013232950Stheraven} 3014232950Stheraven 3015232950Stheraventemplate <class _T1, class _D1> 3016232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 3017232950Stheravenbool 3018232950Stheravenoperator!=(nullptr_t, const unique_ptr<_T1, _D1>& __x) 3019232950Stheraven{ 3020232950Stheraven return static_cast<bool>(__x); 3021232950Stheraven} 3022232950Stheraven 3023232950Stheraventemplate <class _T1, class _D1> 3024232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 3025232950Stheravenbool 3026232950Stheravenoperator<(const unique_ptr<_T1, _D1>& __x, nullptr_t) 3027232950Stheraven{ 3028232950Stheraven typedef typename unique_ptr<_T1, _D1>::pointer _P1; 3029232950Stheraven return less<_P1>()(__x.get(), nullptr); 3030232950Stheraven} 3031232950Stheraven 3032232950Stheraventemplate <class _T1, class _D1> 3033232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 3034232950Stheravenbool 3035232950Stheravenoperator<(nullptr_t, const unique_ptr<_T1, _D1>& __x) 3036232950Stheraven{ 3037232950Stheraven typedef typename unique_ptr<_T1, _D1>::pointer _P1; 3038232950Stheraven return less<_P1>()(nullptr, __x.get()); 3039232950Stheraven} 3040232950Stheraven 3041232950Stheraventemplate <class _T1, class _D1> 3042232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 3043232950Stheravenbool 3044232950Stheravenoperator>(const unique_ptr<_T1, _D1>& __x, nullptr_t) 3045232950Stheraven{ 3046232950Stheraven return nullptr < __x; 3047232950Stheraven} 3048232950Stheraven 3049232950Stheraventemplate <class _T1, class _D1> 3050232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 3051232950Stheravenbool 3052232950Stheravenoperator>(nullptr_t, const unique_ptr<_T1, _D1>& __x) 3053232950Stheraven{ 3054232950Stheraven return __x < nullptr; 3055232950Stheraven} 3056232950Stheraven 3057232950Stheraventemplate <class _T1, class _D1> 3058232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 3059232950Stheravenbool 3060232950Stheravenoperator<=(const unique_ptr<_T1, _D1>& __x, nullptr_t) 3061232950Stheraven{ 3062232950Stheraven return !(nullptr < __x); 3063232950Stheraven} 3064232950Stheraven 3065232950Stheraventemplate <class _T1, class _D1> 3066232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 3067232950Stheravenbool 3068232950Stheravenoperator<=(nullptr_t, const unique_ptr<_T1, _D1>& __x) 3069232950Stheraven{ 3070232950Stheraven return !(__x < nullptr); 3071232950Stheraven} 3072232950Stheraven 3073232950Stheraventemplate <class _T1, class _D1> 3074232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 3075232950Stheravenbool 3076232950Stheravenoperator>=(const unique_ptr<_T1, _D1>& __x, nullptr_t) 3077232950Stheraven{ 3078232950Stheraven return !(__x < nullptr); 3079232950Stheraven} 3080232950Stheraven 3081232950Stheraventemplate <class _T1, class _D1> 3082232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 3083232950Stheravenbool 3084232950Stheravenoperator>=(nullptr_t, const unique_ptr<_T1, _D1>& __x) 3085232950Stheraven{ 3086232950Stheraven return !(nullptr < __x); 3087232950Stheraven} 3088232950Stheraven 3089227825Stheraventemplate <class _Tp> struct hash; 3090227825Stheraven 3091232950Stheraven// We use murmur2 when size_t is 32 bits, and cityhash64 when size_t 3092232950Stheraven// is 64 bits. This is because cityhash64 uses 64bit x 64bit 3093232950Stheraven// multiplication, which can be very slow on 32-bit systems. 3094232950Stheraventemplate <class _Size, size_t = sizeof(_Size)*__CHAR_BIT__> 3095232950Stheravenstruct __murmur2_or_cityhash; 3096232950Stheraven 3097232950Stheraventemplate <class _Size> 3098232950Stheravenstruct __murmur2_or_cityhash<_Size, 32> 3099227825Stheraven{ 3100232950Stheraven _Size operator()(const void* __key, _Size __len); 3101232950Stheraven}; 3102232950Stheraven 3103232950Stheraven// murmur2 3104232950Stheraventemplate <class _Size> 3105232950Stheraven_Size 3106232950Stheraven__murmur2_or_cityhash<_Size, 32>::operator()(const void* __key, _Size __len) 3107232950Stheraven{ 3108232950Stheraven const _Size __m = 0x5bd1e995; 3109232950Stheraven const _Size __r = 24; 3110232950Stheraven _Size __h = __len; 3111232950Stheraven const unsigned char* __data = static_cast<const unsigned char*>(__key); 3112232950Stheraven for (; __len >= 4; __data += 4, __len -= 4) 3113232950Stheraven { 3114232950Stheraven _Size __k = *(const _Size*)__data; 3115232950Stheraven __k *= __m; 3116232950Stheraven __k ^= __k >> __r; 3117232950Stheraven __k *= __m; 3118232950Stheraven __h *= __m; 3119232950Stheraven __h ^= __k; 3120232950Stheraven } 3121232950Stheraven switch (__len) 3122232950Stheraven { 3123232950Stheraven case 3: 3124232950Stheraven __h ^= __data[2] << 16; 3125232950Stheraven case 2: 3126232950Stheraven __h ^= __data[1] << 8; 3127232950Stheraven case 1: 3128232950Stheraven __h ^= __data[0]; 3129232950Stheraven __h *= __m; 3130232950Stheraven } 3131232950Stheraven __h ^= __h >> 13; 3132232950Stheraven __h *= __m; 3133232950Stheraven __h ^= __h >> 15; 3134232950Stheraven return __h; 3135232950Stheraven} 3136232950Stheraven 3137232950Stheraventemplate <class _Size> 3138232950Stheravenstruct __murmur2_or_cityhash<_Size, 64> 3139232950Stheraven{ 3140232950Stheraven _Size operator()(const void* __key, _Size __len); 3141232950Stheraven 3142232950Stheraven private: 3143232950Stheraven // Some primes between 2^63 and 2^64. 3144232950Stheraven static const _Size __k0 = 0xc3a5c85c97cb3127ULL; 3145232950Stheraven static const _Size __k1 = 0xb492b66fbe98f273ULL; 3146232950Stheraven static const _Size __k2 = 0x9ae16a3b2f90404fULL; 3147232950Stheraven static const _Size __k3 = 0xc949d7c7509e6557ULL; 3148232950Stheraven 3149232950Stheraven static _Size __rotate(_Size __val, int __shift) { 3150232950Stheraven return __shift == 0 ? __val : ((__val >> __shift) | (__val << (64 - __shift))); 3151232950Stheraven } 3152232950Stheraven 3153232950Stheraven static _Size __rotate_by_at_least_1(_Size __val, int __shift) { 3154232950Stheraven return (__val >> __shift) | (__val << (64 - __shift)); 3155232950Stheraven } 3156232950Stheraven 3157232950Stheraven static _Size __shift_mix(_Size __val) { 3158232950Stheraven return __val ^ (__val >> 47); 3159232950Stheraven } 3160232950Stheraven 3161232950Stheraven static _Size __hash_len_16(_Size __u, _Size __v) { 3162232950Stheraven const _Size __mul = 0x9ddfea08eb382d69ULL; 3163232950Stheraven _Size __a = (__u ^ __v) * __mul; 3164232950Stheraven __a ^= (__a >> 47); 3165232950Stheraven _Size __b = (__v ^ __a) * __mul; 3166232950Stheraven __b ^= (__b >> 47); 3167232950Stheraven __b *= __mul; 3168232950Stheraven return __b; 3169232950Stheraven } 3170232950Stheraven 3171232950Stheraven static _Size __hash_len_0_to_16(const char* __s, _Size __len) { 3172232950Stheraven if (__len > 8) { 3173232950Stheraven const _Size __a = *(const _Size*)__s; 3174232950Stheraven const _Size __b = *(const _Size*)(__s + __len - 8); 3175232950Stheraven return __hash_len_16(__a, __rotate_by_at_least_1(__b + __len, __len)) ^ __b; 3176232950Stheraven } 3177232950Stheraven if (__len >= 4) { 3178232950Stheraven const uint32_t __a = *(const uint32_t*)(__s); 3179232950Stheraven const uint32_t __b = *(const uint32_t*)(__s + __len - 4); 3180232950Stheraven return __hash_len_16(__len + (__a << 3), __b); 3181232950Stheraven } 3182232950Stheraven if (__len > 0) { 3183232950Stheraven const unsigned char __a = __s[0]; 3184232950Stheraven const unsigned char __b = __s[__len >> 1]; 3185232950Stheraven const unsigned char __c = __s[__len - 1]; 3186232950Stheraven const uint32_t __y = static_cast<uint32_t>(__a) + 3187232950Stheraven (static_cast<uint32_t>(__b) << 8); 3188232950Stheraven const uint32_t __z = __len + (static_cast<uint32_t>(__c) << 2); 3189232950Stheraven return __shift_mix(__y * __k2 ^ __z * __k3) * __k2; 3190232950Stheraven } 3191232950Stheraven return __k2; 3192232950Stheraven } 3193232950Stheraven 3194232950Stheraven static _Size __hash_len_17_to_32(const char *__s, _Size __len) { 3195232950Stheraven const _Size __a = *(const _Size*)(__s) * __k1; 3196232950Stheraven const _Size __b = *(const _Size*)(__s + 8); 3197232950Stheraven const _Size __c = *(const _Size*)(__s + __len - 8) * __k2; 3198232950Stheraven const _Size __d = *(const _Size*)(__s + __len - 16) * __k0; 3199232950Stheraven return __hash_len_16(__rotate(__a - __b, 43) + __rotate(__c, 30) + __d, 3200232950Stheraven __a + __rotate(__b ^ __k3, 20) - __c + __len); 3201232950Stheraven } 3202232950Stheraven 3203232950Stheraven // Return a 16-byte hash for 48 bytes. Quick and dirty. 3204232950Stheraven // Callers do best to use "random-looking" values for a and b. 3205232950Stheraven static pair<_Size, _Size> __weak_hash_len_32_with_seeds( 3206232950Stheraven _Size __w, _Size __x, _Size __y, _Size __z, _Size __a, _Size __b) { 3207232950Stheraven __a += __w; 3208232950Stheraven __b = __rotate(__b + __a + __z, 21); 3209232950Stheraven const _Size __c = __a; 3210232950Stheraven __a += __x; 3211232950Stheraven __a += __y; 3212232950Stheraven __b += __rotate(__a, 44); 3213232950Stheraven return pair<_Size, _Size>(__a + __z, __b + __c); 3214232950Stheraven } 3215232950Stheraven 3216232950Stheraven // Return a 16-byte hash for s[0] ... s[31], a, and b. Quick and dirty. 3217232950Stheraven static pair<_Size, _Size> __weak_hash_len_32_with_seeds( 3218232950Stheraven const char* __s, _Size __a, _Size __b) { 3219232950Stheraven return __weak_hash_len_32_with_seeds(*(const _Size*)(__s), 3220232950Stheraven *(const _Size*)(__s + 8), 3221232950Stheraven *(const _Size*)(__s + 16), 3222232950Stheraven *(const _Size*)(__s + 24), 3223232950Stheraven __a, 3224232950Stheraven __b); 3225232950Stheraven } 3226232950Stheraven 3227232950Stheraven // Return an 8-byte hash for 33 to 64 bytes. 3228232950Stheraven static _Size __hash_len_33_to_64(const char *__s, size_t __len) { 3229232950Stheraven _Size __z = *(const _Size*)(__s + 24); 3230232950Stheraven _Size __a = *(const _Size*)(__s) + 3231232950Stheraven (__len + *(const _Size*)(__s + __len - 16)) * __k0; 3232232950Stheraven _Size __b = __rotate(__a + __z, 52); 3233232950Stheraven _Size __c = __rotate(__a, 37); 3234232950Stheraven __a += *(const _Size*)(__s + 8); 3235232950Stheraven __c += __rotate(__a, 7); 3236232950Stheraven __a += *(const _Size*)(__s + 16); 3237232950Stheraven _Size __vf = __a + __z; 3238232950Stheraven _Size __vs = __b + __rotate(__a, 31) + __c; 3239232950Stheraven __a = *(const _Size*)(__s + 16) + *(const _Size*)(__s + __len - 32); 3240232950Stheraven __z += *(const _Size*)(__s + __len - 8); 3241232950Stheraven __b = __rotate(__a + __z, 52); 3242232950Stheraven __c = __rotate(__a, 37); 3243232950Stheraven __a += *(const _Size*)(__s + __len - 24); 3244232950Stheraven __c += __rotate(__a, 7); 3245232950Stheraven __a += *(const _Size*)(__s + __len - 16); 3246232950Stheraven _Size __wf = __a + __z; 3247232950Stheraven _Size __ws = __b + __rotate(__a, 31) + __c; 3248232950Stheraven _Size __r = __shift_mix((__vf + __ws) * __k2 + (__wf + __vs) * __k0); 3249232950Stheraven return __shift_mix(__r * __k0 + __vs) * __k2; 3250232950Stheraven } 3251232950Stheraven}; 3252232950Stheraven 3253232950Stheraven// cityhash64 3254232950Stheraventemplate <class _Size> 3255232950Stheraven_Size 3256232950Stheraven__murmur2_or_cityhash<_Size, 64>::operator()(const void* __key, _Size __len) 3257232950Stheraven{ 3258232950Stheraven const char* __s = static_cast<const char*>(__key); 3259232950Stheraven if (__len <= 32) { 3260232950Stheraven if (__len <= 16) { 3261232950Stheraven return __hash_len_0_to_16(__s, __len); 3262232950Stheraven } else { 3263232950Stheraven return __hash_len_17_to_32(__s, __len); 3264232950Stheraven } 3265232950Stheraven } else if (__len <= 64) { 3266232950Stheraven return __hash_len_33_to_64(__s, __len); 3267232950Stheraven } 3268232950Stheraven 3269232950Stheraven // For strings over 64 bytes we hash the end first, and then as we 3270232950Stheraven // loop we keep 56 bytes of state: v, w, x, y, and z. 3271232950Stheraven _Size __x = *(const _Size*)(__s + __len - 40); 3272232950Stheraven _Size __y = *(const _Size*)(__s + __len - 16) + 3273232950Stheraven *(const _Size*)(__s + __len - 56); 3274232950Stheraven _Size __z = __hash_len_16(*(const _Size*)(__s + __len - 48) + __len, 3275232950Stheraven *(const _Size*)(__s + __len - 24)); 3276232950Stheraven pair<_Size, _Size> __v = __weak_hash_len_32_with_seeds(__s + __len - 64, __len, __z); 3277232950Stheraven pair<_Size, _Size> __w = __weak_hash_len_32_with_seeds(__s + __len - 32, __y + __k1, __x); 3278232950Stheraven __x = __x * __k1 + *(const _Size*)(__s); 3279232950Stheraven 3280232950Stheraven // Decrease len to the nearest multiple of 64, and operate on 64-byte chunks. 3281232950Stheraven __len = (__len - 1) & ~static_cast<_Size>(63); 3282232950Stheraven do { 3283232950Stheraven __x = __rotate(__x + __y + __v.first + *(const _Size*)(__s + 8), 37) * __k1; 3284232950Stheraven __y = __rotate(__y + __v.second + *(const _Size*)(__s + 48), 42) * __k1; 3285232950Stheraven __x ^= __w.second; 3286232950Stheraven __y += __v.first + *(const _Size*)(__s + 40); 3287232950Stheraven __z = __rotate(__z + __w.first, 33) * __k1; 3288232950Stheraven __v = __weak_hash_len_32_with_seeds(__s, __v.second * __k1, __x + __w.first); 3289232950Stheraven __w = __weak_hash_len_32_with_seeds(__s + 32, __z + __w.second, 3290232950Stheraven __y + *(const _Size*)(__s + 16)); 3291232950Stheraven std::swap(__z, __x); 3292232950Stheraven __s += 64; 3293232950Stheraven __len -= 64; 3294232950Stheraven } while (__len != 0); 3295232950Stheraven return __hash_len_16( 3296232950Stheraven __hash_len_16(__v.first, __w.first) + __shift_mix(__y) * __k1 + __z, 3297232950Stheraven __hash_len_16(__v.second, __w.second) + __x); 3298232950Stheraven} 3299232950Stheraven 3300232950Stheraventemplate <class _Tp, size_t = sizeof(_Tp) / sizeof(size_t)> 3301232950Stheravenstruct __scalar_hash; 3302232950Stheraven 3303232950Stheraventemplate <class _Tp> 3304232950Stheravenstruct __scalar_hash<_Tp, 0> 3305232950Stheraven : public unary_function<_Tp, size_t> 3306232950Stheraven{ 3307227825Stheraven _LIBCPP_INLINE_VISIBILITY 3308232950Stheraven size_t operator()(_Tp __v) const _NOEXCEPT 3309227825Stheraven { 3310232950Stheraven union 3311232950Stheraven { 3312232950Stheraven _Tp __t; 3313232950Stheraven size_t __a; 3314232950Stheraven } __u; 3315232950Stheraven __u.__a = 0; 3316232950Stheraven __u.__t = __v; 3317232950Stheraven return __u.__a; 3318227825Stheraven } 3319227825Stheraven}; 3320227825Stheraven 3321232950Stheraventemplate <class _Tp> 3322232950Stheravenstruct __scalar_hash<_Tp, 1> 3323232950Stheraven : public unary_function<_Tp, size_t> 3324232950Stheraven{ 3325232950Stheraven _LIBCPP_INLINE_VISIBILITY 3326232950Stheraven size_t operator()(_Tp __v) const _NOEXCEPT 3327232950Stheraven { 3328232950Stheraven union 3329232950Stheraven { 3330232950Stheraven _Tp __t; 3331232950Stheraven size_t __a; 3332232950Stheraven } __u; 3333232950Stheraven __u.__t = __v; 3334232950Stheraven return __u.__a; 3335232950Stheraven } 3336232950Stheraven}; 3337232950Stheraven 3338232950Stheraventemplate <class _Tp> 3339232950Stheravenstruct __scalar_hash<_Tp, 2> 3340232950Stheraven : public unary_function<_Tp, size_t> 3341232950Stheraven{ 3342232950Stheraven _LIBCPP_INLINE_VISIBILITY 3343232950Stheraven size_t operator()(_Tp __v) const _NOEXCEPT 3344232950Stheraven { 3345232950Stheraven union 3346232950Stheraven { 3347232950Stheraven _Tp __t; 3348232950Stheraven struct 3349232950Stheraven { 3350232950Stheraven size_t __a; 3351232950Stheraven size_t __b; 3352232950Stheraven }; 3353232950Stheraven } __u; 3354232950Stheraven __u.__t = __v; 3355232950Stheraven return __murmur2_or_cityhash<size_t>()(&__u, sizeof(__u)); 3356232950Stheraven } 3357232950Stheraven}; 3358232950Stheraven 3359232950Stheraventemplate <class _Tp> 3360232950Stheravenstruct __scalar_hash<_Tp, 3> 3361232950Stheraven : public unary_function<_Tp, size_t> 3362232950Stheraven{ 3363232950Stheraven _LIBCPP_INLINE_VISIBILITY 3364232950Stheraven size_t operator()(_Tp __v) const _NOEXCEPT 3365232950Stheraven { 3366232950Stheraven union 3367232950Stheraven { 3368232950Stheraven _Tp __t; 3369232950Stheraven struct 3370232950Stheraven { 3371232950Stheraven size_t __a; 3372232950Stheraven size_t __b; 3373232950Stheraven size_t __c; 3374232950Stheraven }; 3375232950Stheraven } __u; 3376232950Stheraven __u.__t = __v; 3377232950Stheraven return __murmur2_or_cityhash<size_t>()(&__u, sizeof(__u)); 3378232950Stheraven } 3379232950Stheraven}; 3380232950Stheraven 3381232950Stheraventemplate <class _Tp> 3382232950Stheravenstruct __scalar_hash<_Tp, 4> 3383232950Stheraven : public unary_function<_Tp, size_t> 3384232950Stheraven{ 3385232950Stheraven _LIBCPP_INLINE_VISIBILITY 3386232950Stheraven size_t operator()(_Tp __v) const _NOEXCEPT 3387232950Stheraven { 3388232950Stheraven union 3389232950Stheraven { 3390232950Stheraven _Tp __t; 3391232950Stheraven struct 3392232950Stheraven { 3393232950Stheraven size_t __a; 3394232950Stheraven size_t __b; 3395232950Stheraven size_t __c; 3396232950Stheraven size_t __d; 3397232950Stheraven }; 3398232950Stheraven } __u; 3399232950Stheraven __u.__t = __v; 3400232950Stheraven return __murmur2_or_cityhash<size_t>()(&__u, sizeof(__u)); 3401232950Stheraven } 3402232950Stheraven}; 3403232950Stheraven 3404232950Stheraventemplate<class _Tp> 3405232950Stheravenstruct _LIBCPP_VISIBLE hash<_Tp*> 3406232950Stheraven : public __scalar_hash<_Tp*> 3407232950Stheraven{ 3408232950Stheraven}; 3409232950Stheraven 3410227825Stheraventemplate <class _Tp, class _Dp> 3411227825Stheravenstruct _LIBCPP_VISIBLE hash<unique_ptr<_Tp, _Dp> > 3412227825Stheraven{ 3413227825Stheraven typedef unique_ptr<_Tp, _Dp> argument_type; 3414227825Stheraven typedef size_t result_type; 3415227825Stheraven _LIBCPP_INLINE_VISIBILITY 3416227825Stheraven result_type operator()(const argument_type& __ptr) const _NOEXCEPT 3417227825Stheraven { 3418227825Stheraven typedef typename argument_type::pointer pointer; 3419227825Stheraven return hash<pointer>()(__ptr.get()); 3420227825Stheraven } 3421227825Stheraven}; 3422227825Stheraven 3423227825Stheravenstruct __destruct_n 3424227825Stheraven{ 3425227825Stheravenprivate: 3426227825Stheraven size_t size; 3427227825Stheraven 3428227825Stheraven template <class _Tp> 3429227825Stheraven _LIBCPP_INLINE_VISIBILITY void __process(_Tp* __p, false_type) _NOEXCEPT 3430227825Stheraven {for (size_t __i = 0; __i < size; ++__i, ++__p) __p->~_Tp();} 3431227825Stheraven 3432227825Stheraven template <class _Tp> 3433227825Stheraven _LIBCPP_INLINE_VISIBILITY void __process(_Tp*, true_type) _NOEXCEPT 3434227825Stheraven {} 3435227825Stheraven 3436227825Stheraven _LIBCPP_INLINE_VISIBILITY void __incr(false_type) _NOEXCEPT 3437227825Stheraven {++size;} 3438227825Stheraven _LIBCPP_INLINE_VISIBILITY void __incr(true_type) _NOEXCEPT 3439227825Stheraven {} 3440227825Stheraven 3441227825Stheraven _LIBCPP_INLINE_VISIBILITY void __set(size_t __s, false_type) _NOEXCEPT 3442227825Stheraven {size = __s;} 3443227825Stheraven _LIBCPP_INLINE_VISIBILITY void __set(size_t, true_type) _NOEXCEPT 3444227825Stheraven {} 3445227825Stheravenpublic: 3446227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit __destruct_n(size_t __s) _NOEXCEPT 3447227825Stheraven : size(__s) {} 3448227825Stheraven 3449227825Stheraven template <class _Tp> 3450227825Stheraven _LIBCPP_INLINE_VISIBILITY void __incr(_Tp*) _NOEXCEPT 3451227825Stheraven {__incr(integral_constant<bool, is_trivially_destructible<_Tp>::value>());} 3452227825Stheraven 3453227825Stheraven template <class _Tp> 3454227825Stheraven _LIBCPP_INLINE_VISIBILITY void __set(size_t __s, _Tp*) _NOEXCEPT 3455227825Stheraven {__set(__s, integral_constant<bool, is_trivially_destructible<_Tp>::value>());} 3456227825Stheraven 3457227825Stheraven template <class _Tp> 3458227825Stheraven _LIBCPP_INLINE_VISIBILITY void operator()(_Tp* __p) _NOEXCEPT 3459227825Stheraven {__process(__p, integral_constant<bool, is_trivially_destructible<_Tp>::value>());} 3460227825Stheraven}; 3461227825Stheraven 3462227825Stheraventemplate <class _Alloc> 3463227825Stheravenclass __allocator_destructor 3464227825Stheraven{ 3465227825Stheraven typedef allocator_traits<_Alloc> __alloc_traits; 3466227825Stheravenpublic: 3467227825Stheraven typedef typename __alloc_traits::pointer pointer; 3468227825Stheraven typedef typename __alloc_traits::size_type size_type; 3469227825Stheravenprivate: 3470227825Stheraven _Alloc& __alloc_; 3471227825Stheraven size_type __s_; 3472227825Stheravenpublic: 3473227825Stheraven _LIBCPP_INLINE_VISIBILITY __allocator_destructor(_Alloc& __a, size_type __s) 3474227825Stheraven _NOEXCEPT 3475227825Stheraven : __alloc_(__a), __s_(__s) {} 3476227825Stheraven _LIBCPP_INLINE_VISIBILITY 3477227825Stheraven void operator()(pointer __p) _NOEXCEPT 3478227825Stheraven {__alloc_traits::deallocate(__alloc_, __p, __s_);} 3479227825Stheraven}; 3480227825Stheraven 3481227825Stheraventemplate <class _InputIterator, class _ForwardIterator> 3482227825Stheraven_ForwardIterator 3483227825Stheravenuninitialized_copy(_InputIterator __f, _InputIterator __l, _ForwardIterator __r) 3484227825Stheraven{ 3485227825Stheraven typedef typename iterator_traits<_ForwardIterator>::value_type value_type; 3486232950Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 3487232950Stheraven _ForwardIterator __s = __r; 3488232950Stheraven try 3489232950Stheraven { 3490232950Stheraven#endif 3491232950Stheraven for (; __f != __l; ++__f, ++__r) 3492232950Stheraven ::new(&*__r) value_type(*__f); 3493232950Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 3494232950Stheraven } 3495232950Stheraven catch (...) 3496232950Stheraven { 3497232950Stheraven for (; __s != __r; ++__s) 3498232950Stheraven __s->~value_type(); 3499232950Stheraven throw; 3500232950Stheraven } 3501232950Stheraven#endif 3502227825Stheraven return __r; 3503227825Stheraven} 3504227825Stheraven 3505227825Stheraventemplate <class _InputIterator, class _Size, class _ForwardIterator> 3506227825Stheraven_ForwardIterator 3507227825Stheravenuninitialized_copy_n(_InputIterator __f, _Size __n, _ForwardIterator __r) 3508227825Stheraven{ 3509227825Stheraven typedef typename iterator_traits<_ForwardIterator>::value_type value_type; 3510232950Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 3511232950Stheraven _ForwardIterator __s = __r; 3512232950Stheraven try 3513232950Stheraven { 3514232950Stheraven#endif 3515232950Stheraven for (; __n > 0; ++__f, ++__r, --__n) 3516232950Stheraven ::new(&*__r) value_type(*__f); 3517232950Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 3518232950Stheraven } 3519232950Stheraven catch (...) 3520232950Stheraven { 3521232950Stheraven for (; __s != __r; ++__s) 3522232950Stheraven __s->~value_type(); 3523232950Stheraven throw; 3524232950Stheraven } 3525232950Stheraven#endif 3526227825Stheraven return __r; 3527227825Stheraven} 3528227825Stheraven 3529227825Stheraventemplate <class _ForwardIterator, class _Tp> 3530227825Stheravenvoid 3531227825Stheravenuninitialized_fill(_ForwardIterator __f, _ForwardIterator __l, const _Tp& __x) 3532227825Stheraven{ 3533227825Stheraven typedef typename iterator_traits<_ForwardIterator>::value_type value_type; 3534232950Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 3535232950Stheraven _ForwardIterator __s = __f; 3536232950Stheraven try 3537232950Stheraven { 3538232950Stheraven#endif 3539232950Stheraven for (; __f != __l; ++__f) 3540232950Stheraven ::new(&*__f) value_type(__x); 3541232950Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 3542232950Stheraven } 3543232950Stheraven catch (...) 3544232950Stheraven { 3545232950Stheraven for (; __s != __f; ++__s) 3546232950Stheraven __s->~value_type(); 3547232950Stheraven throw; 3548232950Stheraven } 3549232950Stheraven#endif 3550227825Stheraven} 3551227825Stheraven 3552227825Stheraventemplate <class _ForwardIterator, class _Size, class _Tp> 3553227825Stheraven_ForwardIterator 3554227825Stheravenuninitialized_fill_n(_ForwardIterator __f, _Size __n, const _Tp& __x) 3555227825Stheraven{ 3556227825Stheraven typedef typename iterator_traits<_ForwardIterator>::value_type value_type; 3557232950Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 3558232950Stheraven _ForwardIterator __s = __f; 3559232950Stheraven try 3560232950Stheraven { 3561232950Stheraven#endif 3562232950Stheraven for (; __n > 0; ++__f, --__n) 3563232950Stheraven ::new(&*__f) value_type(__x); 3564232950Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 3565232950Stheraven } 3566232950Stheraven catch (...) 3567232950Stheraven { 3568232950Stheraven for (; __s != __f; ++__s) 3569232950Stheraven __s->~value_type(); 3570232950Stheraven throw; 3571232950Stheraven } 3572232950Stheraven#endif 3573227825Stheraven return __f; 3574227825Stheraven} 3575227825Stheraven 3576227825Stheravenclass _LIBCPP_EXCEPTION_ABI bad_weak_ptr 3577227825Stheraven : public std::exception 3578227825Stheraven{ 3579227825Stheravenpublic: 3580227825Stheraven virtual ~bad_weak_ptr() _NOEXCEPT; 3581227825Stheraven virtual const char* what() const _NOEXCEPT; 3582227825Stheraven}; 3583227825Stheraven 3584227825Stheraventemplate<class _Tp> class weak_ptr; 3585227825Stheraven 3586227825Stheravenclass __shared_count 3587227825Stheraven{ 3588227825Stheraven __shared_count(const __shared_count&); 3589227825Stheraven __shared_count& operator=(const __shared_count&); 3590227825Stheraven 3591227825Stheravenprotected: 3592227825Stheraven long __shared_owners_; 3593227825Stheraven virtual ~__shared_count(); 3594227825Stheravenprivate: 3595227825Stheraven virtual void __on_zero_shared() _NOEXCEPT = 0; 3596227825Stheraven 3597227825Stheravenpublic: 3598227825Stheraven _LIBCPP_INLINE_VISIBILITY 3599227825Stheraven explicit __shared_count(long __refs = 0) _NOEXCEPT 3600227825Stheraven : __shared_owners_(__refs) {} 3601227825Stheraven 3602227825Stheraven void __add_shared() _NOEXCEPT; 3603227825Stheraven bool __release_shared() _NOEXCEPT; 3604227825Stheraven _LIBCPP_INLINE_VISIBILITY 3605227825Stheraven long use_count() const _NOEXCEPT {return __shared_owners_ + 1;} 3606227825Stheraven}; 3607227825Stheraven 3608227825Stheravenclass __shared_weak_count 3609227825Stheraven : private __shared_count 3610227825Stheraven{ 3611227825Stheraven long __shared_weak_owners_; 3612227825Stheraven 3613227825Stheravenpublic: 3614227825Stheraven _LIBCPP_INLINE_VISIBILITY 3615227825Stheraven explicit __shared_weak_count(long __refs = 0) _NOEXCEPT 3616227825Stheraven : __shared_count(__refs), 3617227825Stheraven __shared_weak_owners_(__refs) {} 3618227825Stheravenprotected: 3619227825Stheraven virtual ~__shared_weak_count(); 3620227825Stheraven 3621227825Stheravenpublic: 3622227825Stheraven void __add_shared() _NOEXCEPT; 3623227825Stheraven void __add_weak() _NOEXCEPT; 3624227825Stheraven void __release_shared() _NOEXCEPT; 3625227825Stheraven void __release_weak() _NOEXCEPT; 3626227825Stheraven _LIBCPP_INLINE_VISIBILITY 3627227825Stheraven long use_count() const _NOEXCEPT {return __shared_count::use_count();} 3628227825Stheraven __shared_weak_count* lock() _NOEXCEPT; 3629227825Stheraven 3630227825Stheraven virtual const void* __get_deleter(const type_info&) const _NOEXCEPT; 3631227825Stheravenprivate: 3632227825Stheraven virtual void __on_zero_shared_weak() _NOEXCEPT = 0; 3633227825Stheraven}; 3634227825Stheraven 3635227825Stheraventemplate <class _Tp, class _Dp, class _Alloc> 3636227825Stheravenclass __shared_ptr_pointer 3637227825Stheraven : public __shared_weak_count 3638227825Stheraven{ 3639227825Stheraven __compressed_pair<__compressed_pair<_Tp, _Dp>, _Alloc> __data_; 3640227825Stheravenpublic: 3641227825Stheraven _LIBCPP_INLINE_VISIBILITY 3642227825Stheraven __shared_ptr_pointer(_Tp __p, _Dp __d, _Alloc __a) 3643227825Stheraven : __data_(__compressed_pair<_Tp, _Dp>(__p, _VSTD::move(__d)), _VSTD::move(__a)) {} 3644227825Stheraven 3645227825Stheraven#ifndef _LIBCPP_NO_RTTI 3646227825Stheraven virtual const void* __get_deleter(const type_info&) const _NOEXCEPT; 3647227825Stheraven#endif 3648227825Stheraven 3649227825Stheravenprivate: 3650227825Stheraven virtual void __on_zero_shared() _NOEXCEPT; 3651227825Stheraven virtual void __on_zero_shared_weak() _NOEXCEPT; 3652227825Stheraven}; 3653227825Stheraven 3654227825Stheraven#ifndef _LIBCPP_NO_RTTI 3655227825Stheraven 3656227825Stheraventemplate <class _Tp, class _Dp, class _Alloc> 3657227825Stheravenconst void* 3658227825Stheraven__shared_ptr_pointer<_Tp, _Dp, _Alloc>::__get_deleter(const type_info& __t) const _NOEXCEPT 3659227825Stheraven{ 3660227825Stheraven return __t == typeid(_Dp) ? &__data_.first().second() : 0; 3661227825Stheraven} 3662227825Stheraven 3663227825Stheraven#endif // _LIBCPP_NO_RTTI 3664227825Stheraven 3665227825Stheraventemplate <class _Tp, class _Dp, class _Alloc> 3666227825Stheravenvoid 3667227825Stheraven__shared_ptr_pointer<_Tp, _Dp, _Alloc>::__on_zero_shared() _NOEXCEPT 3668227825Stheraven{ 3669227825Stheraven __data_.first().second()(__data_.first().first()); 3670227825Stheraven __data_.first().second().~_Dp(); 3671227825Stheraven} 3672227825Stheraven 3673227825Stheraventemplate <class _Tp, class _Dp, class _Alloc> 3674227825Stheravenvoid 3675227825Stheraven__shared_ptr_pointer<_Tp, _Dp, _Alloc>::__on_zero_shared_weak() _NOEXCEPT 3676227825Stheraven{ 3677227825Stheraven typename _Alloc::template rebind<__shared_ptr_pointer>::other __a(__data_.second()); 3678227825Stheraven __data_.second().~_Alloc(); 3679227825Stheraven __a.deallocate(this, 1); 3680227825Stheraven} 3681227825Stheraven 3682227825Stheraventemplate <class _Tp, class _Alloc> 3683227825Stheravenclass __shared_ptr_emplace 3684227825Stheraven : public __shared_weak_count 3685227825Stheraven{ 3686227825Stheraven __compressed_pair<_Alloc, _Tp> __data_; 3687227825Stheravenpublic: 3688227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 3689227825Stheraven 3690227825Stheraven _LIBCPP_INLINE_VISIBILITY 3691227825Stheraven __shared_ptr_emplace(_Alloc __a) 3692227825Stheraven : __data_(_VSTD::move(__a)) {} 3693227825Stheraven 3694227825Stheraven template <class ..._Args> 3695227825Stheraven _LIBCPP_INLINE_VISIBILITY 3696227825Stheraven __shared_ptr_emplace(_Alloc __a, _Args&& ...__args) 3697232950Stheraven : __data_(piecewise_construct, _VSTD::forward_as_tuple(__a), 3698232950Stheraven _VSTD::forward_as_tuple(_VSTD::forward<_Args>(__args)...)) {} 3699227825Stheraven 3700227825Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 3701227825Stheraven 3702227825Stheraven _LIBCPP_INLINE_VISIBILITY 3703227825Stheraven __shared_ptr_emplace(_Alloc __a) 3704227825Stheraven : __data_(__a) {} 3705227825Stheraven 3706227825Stheraven template <class _A0> 3707227825Stheraven _LIBCPP_INLINE_VISIBILITY 3708227825Stheraven __shared_ptr_emplace(_Alloc __a, _A0& __a0) 3709227825Stheraven : __data_(__a, _Tp(__a0)) {} 3710227825Stheraven 3711227825Stheraven template <class _A0, class _A1> 3712227825Stheraven _LIBCPP_INLINE_VISIBILITY 3713227825Stheraven __shared_ptr_emplace(_Alloc __a, _A0& __a0, _A1& __a1) 3714227825Stheraven : __data_(__a, _Tp(__a0, __a1)) {} 3715227825Stheraven 3716227825Stheraven template <class _A0, class _A1, class _A2> 3717227825Stheraven _LIBCPP_INLINE_VISIBILITY 3718227825Stheraven __shared_ptr_emplace(_Alloc __a, _A0& __a0, _A1& __a1, _A2& __a2) 3719227825Stheraven : __data_(__a, _Tp(__a0, __a1, __a2)) {} 3720227825Stheraven 3721227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 3722227825Stheraven 3723227825Stheravenprivate: 3724227825Stheraven virtual void __on_zero_shared() _NOEXCEPT; 3725227825Stheraven virtual void __on_zero_shared_weak() _NOEXCEPT; 3726227825Stheravenpublic: 3727227825Stheraven _LIBCPP_INLINE_VISIBILITY 3728227825Stheraven _Tp* get() _NOEXCEPT {return &__data_.second();} 3729227825Stheraven}; 3730227825Stheraven 3731227825Stheraventemplate <class _Tp, class _Alloc> 3732227825Stheravenvoid 3733227825Stheraven__shared_ptr_emplace<_Tp, _Alloc>::__on_zero_shared() _NOEXCEPT 3734227825Stheraven{ 3735227825Stheraven __data_.second().~_Tp(); 3736227825Stheraven} 3737227825Stheraven 3738227825Stheraventemplate <class _Tp, class _Alloc> 3739227825Stheravenvoid 3740227825Stheraven__shared_ptr_emplace<_Tp, _Alloc>::__on_zero_shared_weak() _NOEXCEPT 3741227825Stheraven{ 3742227825Stheraven typename _Alloc::template rebind<__shared_ptr_emplace>::other __a(__data_.first()); 3743227825Stheraven __data_.first().~_Alloc(); 3744227825Stheraven __a.deallocate(this, 1); 3745227825Stheraven} 3746227825Stheraven 3747227825Stheraventemplate<class _Tp> class enable_shared_from_this; 3748227825Stheraven 3749227825Stheraventemplate<class _Tp> 3750227825Stheravenclass _LIBCPP_VISIBLE shared_ptr 3751227825Stheraven{ 3752227825Stheravenpublic: 3753227825Stheraven typedef _Tp element_type; 3754227825Stheravenprivate: 3755227825Stheraven element_type* __ptr_; 3756227825Stheraven __shared_weak_count* __cntrl_; 3757227825Stheraven 3758227825Stheraven struct __nat {int __for_bool_;}; 3759227825Stheravenpublic: 3760227825Stheraven shared_ptr() _NOEXCEPT; 3761227825Stheraven shared_ptr(nullptr_t) _NOEXCEPT; 3762232950Stheraven template<class _Yp, 3763232950Stheraven class = typename enable_if 3764232950Stheraven < 3765232950Stheraven is_convertible<_Yp*, element_type*>::value 3766232950Stheraven >::type 3767232950Stheraven > 3768232950Stheraven explicit shared_ptr(_Yp* __p); 3769232950Stheraven template<class _Yp, class _Dp, 3770232950Stheraven class = typename enable_if 3771232950Stheraven < 3772232950Stheraven is_convertible<_Yp*, element_type*>::value 3773232950Stheraven >::type 3774232950Stheraven > 3775232950Stheraven shared_ptr(_Yp* __p, _Dp __d); 3776232950Stheraven template<class _Yp, class _Dp, class _Alloc, 3777232950Stheraven class = typename enable_if 3778232950Stheraven < 3779232950Stheraven is_convertible<_Yp*, element_type*>::value 3780232950Stheraven >::type 3781232950Stheraven > 3782232950Stheraven shared_ptr(_Yp* __p, _Dp __d, _Alloc __a); 3783227825Stheraven template <class _Dp> shared_ptr(nullptr_t __p, _Dp __d); 3784227825Stheraven template <class _Dp, class _Alloc> shared_ptr(nullptr_t __p, _Dp __d, _Alloc __a); 3785227825Stheraven template<class _Yp> shared_ptr(const shared_ptr<_Yp>& __r, element_type* __p) _NOEXCEPT; 3786227825Stheraven shared_ptr(const shared_ptr& __r) _NOEXCEPT; 3787227825Stheraven template<class _Yp> 3788227825Stheraven shared_ptr(const shared_ptr<_Yp>& __r, 3789227825Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat>::type = __nat()) 3790227825Stheraven _NOEXCEPT; 3791227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 3792227825Stheraven shared_ptr(shared_ptr&& __r) _NOEXCEPT; 3793227825Stheraven template<class _Yp> shared_ptr(shared_ptr<_Yp>&& __r, 3794227825Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat>::type = __nat()) 3795227825Stheraven _NOEXCEPT; 3796227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 3797227825Stheraven template<class _Yp> explicit shared_ptr(const weak_ptr<_Yp>& __r, 3798227825Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat>::type= __nat()); 3799227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 3800232950Stheraven template<class _Yp, 3801232950Stheraven class = typename enable_if 3802232950Stheraven < 3803232950Stheraven is_convertible<_Yp*, element_type*>::value 3804232950Stheraven >::type 3805232950Stheraven > 3806232950Stheraven shared_ptr(auto_ptr<_Yp>&& __r); 3807227825Stheraven#else 3808232950Stheraven template<class _Yp, 3809232950Stheraven class = typename enable_if 3810232950Stheraven < 3811232950Stheraven is_convertible<_Yp*, element_type*>::value 3812232950Stheraven >::type 3813232950Stheraven > 3814232950Stheraven shared_ptr(auto_ptr<_Yp> __r); 3815227825Stheraven#endif 3816227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 3817232950Stheraven template <class _Yp, class _Dp, 3818232950Stheraven class = typename enable_if 3819232950Stheraven < 3820232950Stheraven !is_array<_Yp>::value && 3821232950Stheraven is_convertible<typename unique_ptr<_Yp, _Dp>::pointer, element_type*>::value 3822232950Stheraven >::type 3823232950Stheraven > 3824232950Stheraven shared_ptr(unique_ptr<_Yp, _Dp>&&, 3825227825Stheraven typename enable_if<!is_lvalue_reference<_Dp>::value, __nat>::type = __nat()); 3826232950Stheraven template <class _Yp, class _Dp, 3827232950Stheraven class = typename enable_if 3828232950Stheraven < 3829232950Stheraven !is_array<_Yp>::value && 3830232950Stheraven is_convertible<typename unique_ptr<_Yp, _Dp>::pointer, element_type*>::value 3831232950Stheraven >::type 3832232950Stheraven > 3833232950Stheraven shared_ptr(unique_ptr<_Yp, _Dp>&&, 3834227825Stheraven typename enable_if<is_lvalue_reference<_Dp>::value, __nat>::type = __nat()); 3835227825Stheraven#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES 3836232950Stheraven template <class _Yp, class _Dp, 3837232950Stheraven class = typename enable_if 3838232950Stheraven < 3839232950Stheraven !is_array<_Yp>::value && 3840232950Stheraven is_convertible<typename unique_ptr<_Yp, _Dp>::pointer, element_type*>::value 3841232950Stheraven >::type 3842232950Stheraven > shared_ptr(unique_ptr<_Yp, _Dp>, 3843227825Stheraven typename enable_if<!is_lvalue_reference<_Dp>::value, __nat>::type = __nat()); 3844232950Stheraven template <class _Yp, class _Dp, 3845232950Stheraven class = typename enable_if 3846232950Stheraven < 3847232950Stheraven !is_array<_Yp>::value && 3848232950Stheraven is_convertible<typename unique_ptr<_Yp, _Dp>::pointer, element_type*>::value 3849232950Stheraven >::type 3850232950Stheraven > 3851232950Stheraven shared_ptr(unique_ptr<_Yp, _Dp>, 3852227825Stheraven typename enable_if<is_lvalue_reference<_Dp>::value, __nat>::type = __nat()); 3853227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 3854227825Stheraven 3855227825Stheraven ~shared_ptr(); 3856227825Stheraven 3857227825Stheraven shared_ptr& operator=(const shared_ptr& __r) _NOEXCEPT; 3858232950Stheraven template<class _Yp> 3859232950Stheraven typename enable_if 3860232950Stheraven < 3861232950Stheraven is_convertible<_Yp*, element_type*>::value, 3862232950Stheraven shared_ptr& 3863232950Stheraven >::type 3864232950Stheraven operator=(const shared_ptr<_Yp>& __r) _NOEXCEPT; 3865227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 3866227825Stheraven shared_ptr& operator=(shared_ptr&& __r) _NOEXCEPT; 3867232950Stheraven template<class _Yp> 3868232950Stheraven typename enable_if 3869232950Stheraven < 3870232950Stheraven is_convertible<_Yp*, element_type*>::value, 3871232950Stheraven shared_ptr<_Tp>& 3872232950Stheraven >::type 3873232950Stheraven operator=(shared_ptr<_Yp>&& __r); 3874232950Stheraven template<class _Yp> 3875232950Stheraven typename enable_if 3876232950Stheraven < 3877232950Stheraven !is_array<_Yp>::value && 3878232950Stheraven is_convertible<_Yp*, element_type*>::value, 3879232950Stheraven shared_ptr& 3880232950Stheraven >::type 3881232950Stheraven operator=(auto_ptr<_Yp>&& __r); 3882227825Stheraven#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES 3883232950Stheraven template<class _Yp> 3884232950Stheraven typename enable_if 3885232950Stheraven < 3886232950Stheraven !is_array<_Yp>::value && 3887232950Stheraven is_convertible<_Yp*, element_type*>::value, 3888232950Stheraven shared_ptr& 3889232950Stheraven >::type 3890232950Stheraven operator=(auto_ptr<_Yp> __r); 3891227825Stheraven#endif 3892232950Stheraven template <class _Yp, class _Dp> 3893232950Stheraven typename enable_if 3894232950Stheraven < 3895232950Stheraven !is_array<_Yp>::value && 3896232950Stheraven is_convertible<typename unique_ptr<_Yp, _Dp>::pointer, element_type*>::value, 3897232950Stheraven shared_ptr& 3898232950Stheraven >::type 3899227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 3900232950Stheraven operator=(unique_ptr<_Yp, _Dp>&& __r); 3901227825Stheraven#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES 3902232950Stheraven operator=(unique_ptr<_Yp, _Dp> __r); 3903227825Stheraven#endif 3904227825Stheraven 3905227825Stheraven void swap(shared_ptr& __r) _NOEXCEPT; 3906227825Stheraven void reset() _NOEXCEPT; 3907232950Stheraven template<class _Yp> 3908232950Stheraven typename enable_if 3909232950Stheraven < 3910232950Stheraven is_convertible<_Yp*, element_type*>::value, 3911232950Stheraven void 3912232950Stheraven >::type 3913232950Stheraven reset(_Yp* __p); 3914232950Stheraven template<class _Yp, class _Dp> 3915232950Stheraven typename enable_if 3916232950Stheraven < 3917232950Stheraven is_convertible<_Yp*, element_type*>::value, 3918232950Stheraven void 3919232950Stheraven >::type 3920232950Stheraven reset(_Yp* __p, _Dp __d); 3921232950Stheraven template<class _Yp, class _Dp, class _Alloc> 3922232950Stheraven typename enable_if 3923232950Stheraven < 3924232950Stheraven is_convertible<_Yp*, element_type*>::value, 3925232950Stheraven void 3926232950Stheraven >::type 3927232950Stheraven reset(_Yp* __p, _Dp __d, _Alloc __a); 3928227825Stheraven 3929227825Stheraven _LIBCPP_INLINE_VISIBILITY 3930227825Stheraven element_type* get() const _NOEXCEPT {return __ptr_;} 3931227825Stheraven _LIBCPP_INLINE_VISIBILITY 3932227825Stheraven typename add_lvalue_reference<element_type>::type operator*() const _NOEXCEPT 3933227825Stheraven {return *__ptr_;} 3934227825Stheraven _LIBCPP_INLINE_VISIBILITY 3935227825Stheraven element_type* operator->() const _NOEXCEPT {return __ptr_;} 3936227825Stheraven _LIBCPP_INLINE_VISIBILITY 3937227825Stheraven long use_count() const _NOEXCEPT {return __cntrl_ ? __cntrl_->use_count() : 0;} 3938227825Stheraven _LIBCPP_INLINE_VISIBILITY 3939227825Stheraven bool unique() const _NOEXCEPT {return use_count() == 1;} 3940227825Stheraven _LIBCPP_INLINE_VISIBILITY 3941232950Stheraven _LIBCPP_EXPLICIT operator bool() const _NOEXCEPT {return get() != 0;} 3942232950Stheraven template <class _Up> 3943227825Stheraven _LIBCPP_INLINE_VISIBILITY 3944232950Stheraven bool owner_before(shared_ptr<_Up> const& __p) const 3945227825Stheraven {return __cntrl_ < __p.__cntrl_;} 3946232950Stheraven template <class _Up> 3947227825Stheraven _LIBCPP_INLINE_VISIBILITY 3948232950Stheraven bool owner_before(weak_ptr<_Up> const& __p) const 3949227825Stheraven {return __cntrl_ < __p.__cntrl_;} 3950227825Stheraven 3951227825Stheraven#ifndef _LIBCPP_NO_RTTI 3952227825Stheraven template <class _Dp> 3953227825Stheraven _LIBCPP_INLINE_VISIBILITY 3954227825Stheraven _Dp* __get_deleter() const _NOEXCEPT 3955227825Stheraven {return (_Dp*)(__cntrl_ ? __cntrl_->__get_deleter(typeid(_Dp)) : 0);} 3956227825Stheraven#endif // _LIBCPP_NO_RTTI 3957227825Stheraven 3958227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 3959227825Stheraven 3960227825Stheraven template<class ..._Args> 3961227825Stheraven static 3962227825Stheraven shared_ptr<_Tp> 3963227825Stheraven make_shared(_Args&& ...__args); 3964227825Stheraven 3965227825Stheraven template<class _Alloc, class ..._Args> 3966227825Stheraven static 3967227825Stheraven shared_ptr<_Tp> 3968227825Stheraven allocate_shared(const _Alloc& __a, _Args&& ...__args); 3969227825Stheraven 3970227825Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 3971227825Stheraven 3972227825Stheraven static shared_ptr<_Tp> make_shared(); 3973227825Stheraven 3974227825Stheraven template<class _A0> 3975227825Stheraven static shared_ptr<_Tp> make_shared(_A0&); 3976227825Stheraven 3977227825Stheraven template<class _A0, class _A1> 3978227825Stheraven static shared_ptr<_Tp> make_shared(_A0&, _A1&); 3979227825Stheraven 3980227825Stheraven template<class _A0, class _A1, class _A2> 3981227825Stheraven static shared_ptr<_Tp> make_shared(_A0&, _A1&, _A2&); 3982227825Stheraven 3983227825Stheraven template<class _Alloc> 3984227825Stheraven static shared_ptr<_Tp> 3985227825Stheraven allocate_shared(const _Alloc& __a); 3986227825Stheraven 3987227825Stheraven template<class _Alloc, class _A0> 3988227825Stheraven static shared_ptr<_Tp> 3989227825Stheraven allocate_shared(const _Alloc& __a, _A0& __a0); 3990227825Stheraven 3991227825Stheraven template<class _Alloc, class _A0, class _A1> 3992227825Stheraven static shared_ptr<_Tp> 3993227825Stheraven allocate_shared(const _Alloc& __a, _A0& __a0, _A1& __a1); 3994227825Stheraven 3995227825Stheraven template<class _Alloc, class _A0, class _A1, class _A2> 3996227825Stheraven static shared_ptr<_Tp> 3997227825Stheraven allocate_shared(const _Alloc& __a, _A0& __a0, _A1& __a1, _A2& __a2); 3998227825Stheraven 3999227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 4000227825Stheraven 4001227825Stheravenprivate: 4002227825Stheraven 4003227825Stheraven template <class _Yp> 4004227825Stheraven _LIBCPP_INLINE_VISIBILITY 4005227825Stheraven void 4006227825Stheraven __enable_weak_this(const enable_shared_from_this<_Yp>* __e) _NOEXCEPT 4007227825Stheraven { 4008227825Stheraven if (__e) 4009227825Stheraven __e->__weak_this_ = *this; 4010227825Stheraven } 4011227825Stheraven 4012227825Stheraven _LIBCPP_INLINE_VISIBILITY 4013227825Stheraven void __enable_weak_this(const void*) _NOEXCEPT {} 4014227825Stheraven 4015227825Stheraven template <class _Up> friend class _LIBCPP_VISIBLE shared_ptr; 4016227825Stheraven template <class _Up> friend class _LIBCPP_VISIBLE weak_ptr; 4017227825Stheraven}; 4018227825Stheraven 4019227825Stheraventemplate<class _Tp> 4020227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4021227825Stheravenshared_ptr<_Tp>::shared_ptr() _NOEXCEPT 4022227825Stheraven : __ptr_(0), 4023227825Stheraven __cntrl_(0) 4024227825Stheraven{ 4025227825Stheraven} 4026227825Stheraven 4027227825Stheraventemplate<class _Tp> 4028227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4029227825Stheravenshared_ptr<_Tp>::shared_ptr(nullptr_t) _NOEXCEPT 4030227825Stheraven : __ptr_(0), 4031227825Stheraven __cntrl_(0) 4032227825Stheraven{ 4033227825Stheraven} 4034227825Stheraven 4035227825Stheraventemplate<class _Tp> 4036232950Stheraventemplate<class _Yp, class> 4037227825Stheravenshared_ptr<_Tp>::shared_ptr(_Yp* __p) 4038227825Stheraven : __ptr_(__p) 4039227825Stheraven{ 4040227825Stheraven unique_ptr<_Yp> __hold(__p); 4041227825Stheraven typedef __shared_ptr_pointer<_Yp*, default_delete<_Yp>, allocator<_Yp> > _CntrlBlk; 4042227825Stheraven __cntrl_ = new _CntrlBlk(__p, default_delete<_Yp>(), allocator<_Yp>()); 4043227825Stheraven __hold.release(); 4044227825Stheraven __enable_weak_this(__p); 4045227825Stheraven} 4046227825Stheraven 4047227825Stheraventemplate<class _Tp> 4048232950Stheraventemplate<class _Yp, class _Dp, class> 4049227825Stheravenshared_ptr<_Tp>::shared_ptr(_Yp* __p, _Dp __d) 4050227825Stheraven : __ptr_(__p) 4051227825Stheraven{ 4052227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 4053227825Stheraven try 4054227825Stheraven { 4055227825Stheraven#endif // _LIBCPP_NO_EXCEPTIONS 4056227825Stheraven typedef __shared_ptr_pointer<_Yp*, _Dp, allocator<_Yp> > _CntrlBlk; 4057227825Stheraven __cntrl_ = new _CntrlBlk(__p, __d, allocator<_Yp>()); 4058227825Stheraven __enable_weak_this(__p); 4059227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 4060227825Stheraven } 4061227825Stheraven catch (...) 4062227825Stheraven { 4063227825Stheraven __d(__p); 4064227825Stheraven throw; 4065227825Stheraven } 4066227825Stheraven#endif // _LIBCPP_NO_EXCEPTIONS 4067227825Stheraven} 4068227825Stheraven 4069227825Stheraventemplate<class _Tp> 4070227825Stheraventemplate<class _Dp> 4071227825Stheravenshared_ptr<_Tp>::shared_ptr(nullptr_t __p, _Dp __d) 4072227825Stheraven : __ptr_(0) 4073227825Stheraven{ 4074227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 4075227825Stheraven try 4076227825Stheraven { 4077227825Stheraven#endif // _LIBCPP_NO_EXCEPTIONS 4078227825Stheraven typedef __shared_ptr_pointer<nullptr_t, _Dp, allocator<_Tp> > _CntrlBlk; 4079227825Stheraven __cntrl_ = new _CntrlBlk(__p, __d, allocator<_Tp>()); 4080227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 4081227825Stheraven } 4082227825Stheraven catch (...) 4083227825Stheraven { 4084227825Stheraven __d(__p); 4085227825Stheraven throw; 4086227825Stheraven } 4087227825Stheraven#endif // _LIBCPP_NO_EXCEPTIONS 4088227825Stheraven} 4089227825Stheraven 4090227825Stheraventemplate<class _Tp> 4091232950Stheraventemplate<class _Yp, class _Dp, class _Alloc, class> 4092227825Stheravenshared_ptr<_Tp>::shared_ptr(_Yp* __p, _Dp __d, _Alloc __a) 4093227825Stheraven : __ptr_(__p) 4094227825Stheraven{ 4095227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 4096227825Stheraven try 4097227825Stheraven { 4098227825Stheraven#endif // _LIBCPP_NO_EXCEPTIONS 4099227825Stheraven typedef __shared_ptr_pointer<_Yp*, _Dp, _Alloc> _CntrlBlk; 4100227825Stheraven typedef typename _Alloc::template rebind<_CntrlBlk>::other _A2; 4101227825Stheraven typedef __allocator_destructor<_A2> _D2; 4102227825Stheraven _A2 __a2(__a); 4103227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__a2.allocate(1), _D2(__a2, 1)); 4104227825Stheraven ::new(__hold2.get()) _CntrlBlk(__p, __d, __a); 4105227825Stheraven __cntrl_ = __hold2.release(); 4106227825Stheraven __enable_weak_this(__p); 4107227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 4108227825Stheraven } 4109227825Stheraven catch (...) 4110227825Stheraven { 4111227825Stheraven __d(__p); 4112227825Stheraven throw; 4113227825Stheraven } 4114227825Stheraven#endif // _LIBCPP_NO_EXCEPTIONS 4115227825Stheraven} 4116227825Stheraven 4117227825Stheraventemplate<class _Tp> 4118227825Stheraventemplate<class _Dp, class _Alloc> 4119227825Stheravenshared_ptr<_Tp>::shared_ptr(nullptr_t __p, _Dp __d, _Alloc __a) 4120227825Stheraven : __ptr_(0) 4121227825Stheraven{ 4122227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 4123227825Stheraven try 4124227825Stheraven { 4125227825Stheraven#endif // _LIBCPP_NO_EXCEPTIONS 4126227825Stheraven typedef __shared_ptr_pointer<nullptr_t, _Dp, _Alloc> _CntrlBlk; 4127227825Stheraven typedef typename _Alloc::template rebind<_CntrlBlk>::other _A2; 4128227825Stheraven typedef __allocator_destructor<_A2> _D2; 4129227825Stheraven _A2 __a2(__a); 4130227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__a2.allocate(1), _D2(__a2, 1)); 4131227825Stheraven ::new(__hold2.get()) _CntrlBlk(__p, __d, __a); 4132227825Stheraven __cntrl_ = __hold2.release(); 4133227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 4134227825Stheraven } 4135227825Stheraven catch (...) 4136227825Stheraven { 4137227825Stheraven __d(__p); 4138227825Stheraven throw; 4139227825Stheraven } 4140227825Stheraven#endif // _LIBCPP_NO_EXCEPTIONS 4141227825Stheraven} 4142227825Stheraven 4143227825Stheraventemplate<class _Tp> 4144227825Stheraventemplate<class _Yp> 4145227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4146227825Stheravenshared_ptr<_Tp>::shared_ptr(const shared_ptr<_Yp>& __r, element_type *__p) _NOEXCEPT 4147227825Stheraven : __ptr_(__p), 4148227825Stheraven __cntrl_(__r.__cntrl_) 4149227825Stheraven{ 4150227825Stheraven if (__cntrl_) 4151227825Stheraven __cntrl_->__add_shared(); 4152227825Stheraven} 4153227825Stheraven 4154227825Stheraventemplate<class _Tp> 4155227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4156227825Stheravenshared_ptr<_Tp>::shared_ptr(const shared_ptr& __r) _NOEXCEPT 4157227825Stheraven : __ptr_(__r.__ptr_), 4158227825Stheraven __cntrl_(__r.__cntrl_) 4159227825Stheraven{ 4160227825Stheraven if (__cntrl_) 4161227825Stheraven __cntrl_->__add_shared(); 4162227825Stheraven} 4163227825Stheraven 4164227825Stheraventemplate<class _Tp> 4165227825Stheraventemplate<class _Yp> 4166227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4167227825Stheravenshared_ptr<_Tp>::shared_ptr(const shared_ptr<_Yp>& __r, 4168227825Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat>::type) 4169227825Stheraven _NOEXCEPT 4170227825Stheraven : __ptr_(__r.__ptr_), 4171227825Stheraven __cntrl_(__r.__cntrl_) 4172227825Stheraven{ 4173227825Stheraven if (__cntrl_) 4174227825Stheraven __cntrl_->__add_shared(); 4175227825Stheraven} 4176227825Stheraven 4177227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 4178227825Stheraven 4179227825Stheraventemplate<class _Tp> 4180227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4181227825Stheravenshared_ptr<_Tp>::shared_ptr(shared_ptr&& __r) _NOEXCEPT 4182227825Stheraven : __ptr_(__r.__ptr_), 4183227825Stheraven __cntrl_(__r.__cntrl_) 4184227825Stheraven{ 4185227825Stheraven __r.__ptr_ = 0; 4186227825Stheraven __r.__cntrl_ = 0; 4187227825Stheraven} 4188227825Stheraven 4189227825Stheraventemplate<class _Tp> 4190227825Stheraventemplate<class _Yp> 4191227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4192227825Stheravenshared_ptr<_Tp>::shared_ptr(shared_ptr<_Yp>&& __r, 4193227825Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat>::type) 4194227825Stheraven _NOEXCEPT 4195227825Stheraven : __ptr_(__r.__ptr_), 4196227825Stheraven __cntrl_(__r.__cntrl_) 4197227825Stheraven{ 4198227825Stheraven __r.__ptr_ = 0; 4199227825Stheraven __r.__cntrl_ = 0; 4200227825Stheraven} 4201227825Stheraven 4202227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 4203227825Stheraven 4204227825Stheraventemplate<class _Tp> 4205232950Stheraventemplate<class _Yp, class> 4206227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 4207227825Stheravenshared_ptr<_Tp>::shared_ptr(auto_ptr<_Yp>&& __r) 4208227825Stheraven#else 4209227825Stheravenshared_ptr<_Tp>::shared_ptr(auto_ptr<_Yp> __r) 4210227825Stheraven#endif 4211227825Stheraven : __ptr_(__r.get()) 4212227825Stheraven{ 4213227825Stheraven typedef __shared_ptr_pointer<_Yp*, default_delete<_Yp>, allocator<_Yp> > _CntrlBlk; 4214227825Stheraven __cntrl_ = new _CntrlBlk(__r.get(), default_delete<_Yp>(), allocator<_Yp>()); 4215227825Stheraven __enable_weak_this(__r.get()); 4216227825Stheraven __r.release(); 4217227825Stheraven} 4218227825Stheraven 4219227825Stheraventemplate<class _Tp> 4220232950Stheraventemplate <class _Yp, class _Dp, class> 4221227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 4222227825Stheravenshared_ptr<_Tp>::shared_ptr(unique_ptr<_Yp, _Dp>&& __r, 4223227825Stheraven#else 4224227825Stheravenshared_ptr<_Tp>::shared_ptr(unique_ptr<_Yp, _Dp> __r, 4225227825Stheraven#endif 4226227825Stheraven typename enable_if<!is_lvalue_reference<_Dp>::value, __nat>::type) 4227227825Stheraven : __ptr_(__r.get()) 4228227825Stheraven{ 4229227825Stheraven typedef __shared_ptr_pointer<_Yp*, _Dp, allocator<_Yp> > _CntrlBlk; 4230227825Stheraven __cntrl_ = new _CntrlBlk(__r.get(), __r.get_deleter(), allocator<_Yp>()); 4231227825Stheraven __enable_weak_this(__r.get()); 4232227825Stheraven __r.release(); 4233227825Stheraven} 4234227825Stheraven 4235227825Stheraventemplate<class _Tp> 4236232950Stheraventemplate <class _Yp, class _Dp, class> 4237227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 4238227825Stheravenshared_ptr<_Tp>::shared_ptr(unique_ptr<_Yp, _Dp>&& __r, 4239227825Stheraven#else 4240227825Stheravenshared_ptr<_Tp>::shared_ptr(unique_ptr<_Yp, _Dp> __r, 4241227825Stheraven#endif 4242227825Stheraven typename enable_if<is_lvalue_reference<_Dp>::value, __nat>::type) 4243227825Stheraven : __ptr_(__r.get()) 4244227825Stheraven{ 4245227825Stheraven typedef __shared_ptr_pointer<_Yp*, 4246227825Stheraven reference_wrapper<typename remove_reference<_Dp>::type>, 4247227825Stheraven allocator<_Yp> > _CntrlBlk; 4248227825Stheraven __cntrl_ = new _CntrlBlk(__r.get(), ref(__r.get_deleter()), allocator<_Yp>()); 4249227825Stheraven __enable_weak_this(__r.get()); 4250227825Stheraven __r.release(); 4251227825Stheraven} 4252227825Stheraven 4253227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 4254227825Stheraven 4255227825Stheraventemplate<class _Tp> 4256227825Stheraventemplate<class ..._Args> 4257227825Stheravenshared_ptr<_Tp> 4258227825Stheravenshared_ptr<_Tp>::make_shared(_Args&& ...__args) 4259227825Stheraven{ 4260227825Stheraven typedef __shared_ptr_emplace<_Tp, allocator<_Tp> > _CntrlBlk; 4261227825Stheraven typedef allocator<_CntrlBlk> _A2; 4262227825Stheraven typedef __allocator_destructor<_A2> _D2; 4263227825Stheraven _A2 __a2; 4264227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__a2.allocate(1), _D2(__a2, 1)); 4265227825Stheraven ::new(__hold2.get()) _CntrlBlk(__a2, _VSTD::forward<_Args>(__args)...); 4266227825Stheraven shared_ptr<_Tp> __r; 4267227825Stheraven __r.__ptr_ = __hold2.get()->get(); 4268227825Stheraven __r.__cntrl_ = __hold2.release(); 4269227825Stheraven __r.__enable_weak_this(__r.__ptr_); 4270227825Stheraven return __r; 4271227825Stheraven} 4272227825Stheraven 4273227825Stheraventemplate<class _Tp> 4274227825Stheraventemplate<class _Alloc, class ..._Args> 4275227825Stheravenshared_ptr<_Tp> 4276227825Stheravenshared_ptr<_Tp>::allocate_shared(const _Alloc& __a, _Args&& ...__args) 4277227825Stheraven{ 4278227825Stheraven typedef __shared_ptr_emplace<_Tp, _Alloc> _CntrlBlk; 4279227825Stheraven typedef typename _Alloc::template rebind<_CntrlBlk>::other _A2; 4280227825Stheraven typedef __allocator_destructor<_A2> _D2; 4281227825Stheraven _A2 __a2(__a); 4282227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__a2.allocate(1), _D2(__a2, 1)); 4283227825Stheraven ::new(__hold2.get()) _CntrlBlk(__a, _VSTD::forward<_Args>(__args)...); 4284227825Stheraven shared_ptr<_Tp> __r; 4285227825Stheraven __r.__ptr_ = __hold2.get()->get(); 4286227825Stheraven __r.__cntrl_ = __hold2.release(); 4287227825Stheraven __r.__enable_weak_this(__r.__ptr_); 4288227825Stheraven return __r; 4289227825Stheraven} 4290227825Stheraven 4291227825Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 4292227825Stheraven 4293227825Stheraventemplate<class _Tp> 4294227825Stheravenshared_ptr<_Tp> 4295227825Stheravenshared_ptr<_Tp>::make_shared() 4296227825Stheraven{ 4297227825Stheraven typedef __shared_ptr_emplace<_Tp, allocator<_Tp> > _CntrlBlk; 4298227825Stheraven typedef allocator<_CntrlBlk> _Alloc2; 4299227825Stheraven typedef __allocator_destructor<_Alloc2> _D2; 4300227825Stheraven _Alloc2 __alloc2; 4301227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__alloc2.allocate(1), _D2(__alloc2, 1)); 4302227825Stheraven ::new(__hold2.get()) _CntrlBlk(__alloc2); 4303227825Stheraven shared_ptr<_Tp> __r; 4304227825Stheraven __r.__ptr_ = __hold2.get()->get(); 4305227825Stheraven __r.__cntrl_ = __hold2.release(); 4306227825Stheraven __r.__enable_weak_this(__r.__ptr_); 4307227825Stheraven return __r; 4308227825Stheraven} 4309227825Stheraven 4310227825Stheraventemplate<class _Tp> 4311227825Stheraventemplate<class _A0> 4312227825Stheravenshared_ptr<_Tp> 4313227825Stheravenshared_ptr<_Tp>::make_shared(_A0& __a0) 4314227825Stheraven{ 4315227825Stheraven typedef __shared_ptr_emplace<_Tp, allocator<_Tp> > _CntrlBlk; 4316227825Stheraven typedef allocator<_CntrlBlk> _Alloc2; 4317227825Stheraven typedef __allocator_destructor<_Alloc2> _D2; 4318227825Stheraven _Alloc2 __alloc2; 4319227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__alloc2.allocate(1), _D2(__alloc2, 1)); 4320227825Stheraven ::new(__hold2.get()) _CntrlBlk(__alloc2, __a0); 4321227825Stheraven shared_ptr<_Tp> __r; 4322227825Stheraven __r.__ptr_ = __hold2.get()->get(); 4323227825Stheraven __r.__cntrl_ = __hold2.release(); 4324227825Stheraven __r.__enable_weak_this(__r.__ptr_); 4325227825Stheraven return __r; 4326227825Stheraven} 4327227825Stheraven 4328227825Stheraventemplate<class _Tp> 4329227825Stheraventemplate<class _A0, class _A1> 4330227825Stheravenshared_ptr<_Tp> 4331227825Stheravenshared_ptr<_Tp>::make_shared(_A0& __a0, _A1& __a1) 4332227825Stheraven{ 4333227825Stheraven typedef __shared_ptr_emplace<_Tp, allocator<_Tp> > _CntrlBlk; 4334227825Stheraven typedef allocator<_CntrlBlk> _Alloc2; 4335227825Stheraven typedef __allocator_destructor<_Alloc2> _D2; 4336227825Stheraven _Alloc2 __alloc2; 4337227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__alloc2.allocate(1), _D2(__alloc2, 1)); 4338227825Stheraven ::new(__hold2.get()) _CntrlBlk(__alloc2, __a0, __a1); 4339227825Stheraven shared_ptr<_Tp> __r; 4340227825Stheraven __r.__ptr_ = __hold2.get()->get(); 4341227825Stheraven __r.__cntrl_ = __hold2.release(); 4342227825Stheraven __r.__enable_weak_this(__r.__ptr_); 4343227825Stheraven return __r; 4344227825Stheraven} 4345227825Stheraven 4346227825Stheraventemplate<class _Tp> 4347227825Stheraventemplate<class _A0, class _A1, class _A2> 4348227825Stheravenshared_ptr<_Tp> 4349227825Stheravenshared_ptr<_Tp>::make_shared(_A0& __a0, _A1& __a1, _A2& __a2) 4350227825Stheraven{ 4351227825Stheraven typedef __shared_ptr_emplace<_Tp, allocator<_Tp> > _CntrlBlk; 4352227825Stheraven typedef allocator<_CntrlBlk> _Alloc2; 4353227825Stheraven typedef __allocator_destructor<_Alloc2> _D2; 4354227825Stheraven _Alloc2 __alloc2; 4355227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__alloc2.allocate(1), _D2(__alloc2, 1)); 4356227825Stheraven ::new(__hold2.get()) _CntrlBlk(__alloc2, __a0, __a1, __a2); 4357227825Stheraven shared_ptr<_Tp> __r; 4358227825Stheraven __r.__ptr_ = __hold2.get()->get(); 4359227825Stheraven __r.__cntrl_ = __hold2.release(); 4360227825Stheraven __r.__enable_weak_this(__r.__ptr_); 4361227825Stheraven return __r; 4362227825Stheraven} 4363227825Stheraven 4364227825Stheraventemplate<class _Tp> 4365227825Stheraventemplate<class _Alloc> 4366227825Stheravenshared_ptr<_Tp> 4367227825Stheravenshared_ptr<_Tp>::allocate_shared(const _Alloc& __a) 4368227825Stheraven{ 4369227825Stheraven typedef __shared_ptr_emplace<_Tp, _Alloc> _CntrlBlk; 4370227825Stheraven typedef typename _Alloc::template rebind<_CntrlBlk>::other _Alloc2; 4371227825Stheraven typedef __allocator_destructor<_Alloc2> _D2; 4372227825Stheraven _Alloc2 __alloc2(__a); 4373227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__alloc2.allocate(1), _D2(__alloc2, 1)); 4374227825Stheraven ::new(__hold2.get()) _CntrlBlk(__a); 4375227825Stheraven shared_ptr<_Tp> __r; 4376227825Stheraven __r.__ptr_ = __hold2.get()->get(); 4377227825Stheraven __r.__cntrl_ = __hold2.release(); 4378227825Stheraven __r.__enable_weak_this(__r.__ptr_); 4379227825Stheraven return __r; 4380227825Stheraven} 4381227825Stheraven 4382227825Stheraventemplate<class _Tp> 4383227825Stheraventemplate<class _Alloc, class _A0> 4384227825Stheravenshared_ptr<_Tp> 4385227825Stheravenshared_ptr<_Tp>::allocate_shared(const _Alloc& __a, _A0& __a0) 4386227825Stheraven{ 4387227825Stheraven typedef __shared_ptr_emplace<_Tp, _Alloc> _CntrlBlk; 4388227825Stheraven typedef typename _Alloc::template rebind<_CntrlBlk>::other _Alloc2; 4389227825Stheraven typedef __allocator_destructor<_Alloc2> _D2; 4390227825Stheraven _Alloc2 __alloc2(__a); 4391227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__alloc2.allocate(1), _D2(__alloc2, 1)); 4392227825Stheraven ::new(__hold2.get()) _CntrlBlk(__a, __a0); 4393227825Stheraven shared_ptr<_Tp> __r; 4394227825Stheraven __r.__ptr_ = __hold2.get()->get(); 4395227825Stheraven __r.__cntrl_ = __hold2.release(); 4396227825Stheraven __r.__enable_weak_this(__r.__ptr_); 4397227825Stheraven return __r; 4398227825Stheraven} 4399227825Stheraven 4400227825Stheraventemplate<class _Tp> 4401227825Stheraventemplate<class _Alloc, class _A0, class _A1> 4402227825Stheravenshared_ptr<_Tp> 4403227825Stheravenshared_ptr<_Tp>::allocate_shared(const _Alloc& __a, _A0& __a0, _A1& __a1) 4404227825Stheraven{ 4405227825Stheraven typedef __shared_ptr_emplace<_Tp, _Alloc> _CntrlBlk; 4406227825Stheraven typedef typename _Alloc::template rebind<_CntrlBlk>::other _Alloc2; 4407227825Stheraven typedef __allocator_destructor<_Alloc2> _D2; 4408227825Stheraven _Alloc2 __alloc2(__a); 4409227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__alloc2.allocate(1), _D2(__alloc2, 1)); 4410227825Stheraven ::new(__hold2.get()) _CntrlBlk(__a, __a0, __a1); 4411227825Stheraven shared_ptr<_Tp> __r; 4412227825Stheraven __r.__ptr_ = __hold2.get()->get(); 4413227825Stheraven __r.__cntrl_ = __hold2.release(); 4414227825Stheraven __r.__enable_weak_this(__r.__ptr_); 4415227825Stheraven return __r; 4416227825Stheraven} 4417227825Stheraven 4418227825Stheraventemplate<class _Tp> 4419227825Stheraventemplate<class _Alloc, class _A0, class _A1, class _A2> 4420227825Stheravenshared_ptr<_Tp> 4421227825Stheravenshared_ptr<_Tp>::allocate_shared(const _Alloc& __a, _A0& __a0, _A1& __a1, _A2& __a2) 4422227825Stheraven{ 4423227825Stheraven typedef __shared_ptr_emplace<_Tp, _Alloc> _CntrlBlk; 4424227825Stheraven typedef typename _Alloc::template rebind<_CntrlBlk>::other _Alloc2; 4425227825Stheraven typedef __allocator_destructor<_Alloc2> _D2; 4426227825Stheraven _Alloc2 __alloc2(__a); 4427227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__alloc2.allocate(1), _D2(__alloc2, 1)); 4428227825Stheraven ::new(__hold2.get()) _CntrlBlk(__a, __a0, __a1, __a2); 4429227825Stheraven shared_ptr<_Tp> __r; 4430227825Stheraven __r.__ptr_ = __hold2.get()->get(); 4431227825Stheraven __r.__cntrl_ = __hold2.release(); 4432227825Stheraven __r.__enable_weak_this(__r.__ptr_); 4433227825Stheraven return __r; 4434227825Stheraven} 4435227825Stheraven 4436227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 4437227825Stheraven 4438227825Stheraventemplate<class _Tp> 4439227825Stheravenshared_ptr<_Tp>::~shared_ptr() 4440227825Stheraven{ 4441227825Stheraven if (__cntrl_) 4442227825Stheraven __cntrl_->__release_shared(); 4443227825Stheraven} 4444227825Stheraven 4445227825Stheraventemplate<class _Tp> 4446227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4447227825Stheravenshared_ptr<_Tp>& 4448227825Stheravenshared_ptr<_Tp>::operator=(const shared_ptr& __r) _NOEXCEPT 4449227825Stheraven{ 4450227825Stheraven shared_ptr(__r).swap(*this); 4451227825Stheraven return *this; 4452227825Stheraven} 4453227825Stheraven 4454227825Stheraventemplate<class _Tp> 4455227825Stheraventemplate<class _Yp> 4456227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4457232950Stheraventypename enable_if 4458232950Stheraven< 4459232950Stheraven is_convertible<_Yp*, _Tp*>::value, 4460232950Stheraven shared_ptr<_Tp>& 4461232950Stheraven>::type 4462227825Stheravenshared_ptr<_Tp>::operator=(const shared_ptr<_Yp>& __r) _NOEXCEPT 4463227825Stheraven{ 4464227825Stheraven shared_ptr(__r).swap(*this); 4465227825Stheraven return *this; 4466227825Stheraven} 4467227825Stheraven 4468227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 4469227825Stheraven 4470227825Stheraventemplate<class _Tp> 4471227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4472227825Stheravenshared_ptr<_Tp>& 4473227825Stheravenshared_ptr<_Tp>::operator=(shared_ptr&& __r) _NOEXCEPT 4474227825Stheraven{ 4475227825Stheraven shared_ptr(_VSTD::move(__r)).swap(*this); 4476227825Stheraven return *this; 4477227825Stheraven} 4478227825Stheraven 4479227825Stheraventemplate<class _Tp> 4480227825Stheraventemplate<class _Yp> 4481227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4482232950Stheraventypename enable_if 4483232950Stheraven< 4484232950Stheraven is_convertible<_Yp*, _Tp*>::value, 4485232950Stheraven shared_ptr<_Tp>& 4486232950Stheraven>::type 4487227825Stheravenshared_ptr<_Tp>::operator=(shared_ptr<_Yp>&& __r) 4488227825Stheraven{ 4489227825Stheraven shared_ptr(_VSTD::move(__r)).swap(*this); 4490227825Stheraven return *this; 4491227825Stheraven} 4492227825Stheraven 4493227825Stheraventemplate<class _Tp> 4494227825Stheraventemplate<class _Yp> 4495227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4496232950Stheraventypename enable_if 4497232950Stheraven< 4498232950Stheraven !is_array<_Yp>::value && 4499232950Stheraven is_convertible<_Yp*, _Tp*>::value, 4500232950Stheraven shared_ptr<_Tp>& 4501232950Stheraven>::type 4502227825Stheravenshared_ptr<_Tp>::operator=(auto_ptr<_Yp>&& __r) 4503227825Stheraven{ 4504227825Stheraven shared_ptr(_VSTD::move(__r)).swap(*this); 4505227825Stheraven return *this; 4506227825Stheraven} 4507227825Stheraven 4508227825Stheraventemplate<class _Tp> 4509227825Stheraventemplate <class _Yp, class _Dp> 4510227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4511232950Stheraventypename enable_if 4512232950Stheraven< 4513232950Stheraven !is_array<_Yp>::value && 4514232950Stheraven is_convertible<typename unique_ptr<_Yp, _Dp>::pointer, _Tp*>::value, 4515232950Stheraven shared_ptr<_Tp>& 4516232950Stheraven>::type 4517227825Stheravenshared_ptr<_Tp>::operator=(unique_ptr<_Yp, _Dp>&& __r) 4518227825Stheraven{ 4519227825Stheraven shared_ptr(_VSTD::move(__r)).swap(*this); 4520227825Stheraven return *this; 4521227825Stheraven} 4522227825Stheraven 4523227825Stheraven#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES 4524227825Stheraven 4525227825Stheraventemplate<class _Tp> 4526227825Stheraventemplate<class _Yp> 4527227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4528232950Stheraventypename enable_if 4529232950Stheraven< 4530232950Stheraven !is_array<_Yp>::value && 4531232950Stheraven is_convertible<_Yp*, _Tp*>::value, 4532232950Stheraven shared_ptr<_Tp>& 4533232950Stheraven>::type 4534227825Stheravenshared_ptr<_Tp>::operator=(auto_ptr<_Yp> __r) 4535227825Stheraven{ 4536227825Stheraven shared_ptr(__r).swap(*this); 4537227825Stheraven return *this; 4538227825Stheraven} 4539227825Stheraven 4540227825Stheraventemplate<class _Tp> 4541227825Stheraventemplate <class _Yp, class _Dp> 4542227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4543232950Stheraventypename enable_if 4544232950Stheraven< 4545232950Stheraven !is_array<_Yp>::value && 4546232950Stheraven is_convertible<typename unique_ptr<_Yp, _Dp>::pointer, _Tp*>::value, 4547232950Stheraven shared_ptr<_Tp>& 4548232950Stheraven>::type 4549227825Stheravenshared_ptr<_Tp>::operator=(unique_ptr<_Yp, _Dp> __r) 4550227825Stheraven{ 4551227825Stheraven shared_ptr(_VSTD::move(__r)).swap(*this); 4552227825Stheraven return *this; 4553227825Stheraven} 4554227825Stheraven 4555227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 4556227825Stheraven 4557227825Stheraventemplate<class _Tp> 4558227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4559227825Stheravenvoid 4560227825Stheravenshared_ptr<_Tp>::swap(shared_ptr& __r) _NOEXCEPT 4561227825Stheraven{ 4562227825Stheraven _VSTD::swap(__ptr_, __r.__ptr_); 4563227825Stheraven _VSTD::swap(__cntrl_, __r.__cntrl_); 4564227825Stheraven} 4565227825Stheraven 4566227825Stheraventemplate<class _Tp> 4567227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4568227825Stheravenvoid 4569227825Stheravenshared_ptr<_Tp>::reset() _NOEXCEPT 4570227825Stheraven{ 4571227825Stheraven shared_ptr().swap(*this); 4572227825Stheraven} 4573227825Stheraven 4574227825Stheraventemplate<class _Tp> 4575227825Stheraventemplate<class _Yp> 4576227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4577232950Stheraventypename enable_if 4578232950Stheraven< 4579232950Stheraven is_convertible<_Yp*, _Tp*>::value, 4580232950Stheraven void 4581232950Stheraven>::type 4582227825Stheravenshared_ptr<_Tp>::reset(_Yp* __p) 4583227825Stheraven{ 4584227825Stheraven shared_ptr(__p).swap(*this); 4585227825Stheraven} 4586227825Stheraven 4587227825Stheraventemplate<class _Tp> 4588227825Stheraventemplate<class _Yp, class _Dp> 4589227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4590232950Stheraventypename enable_if 4591232950Stheraven< 4592232950Stheraven is_convertible<_Yp*, _Tp*>::value, 4593232950Stheraven void 4594232950Stheraven>::type 4595227825Stheravenshared_ptr<_Tp>::reset(_Yp* __p, _Dp __d) 4596227825Stheraven{ 4597227825Stheraven shared_ptr(__p, __d).swap(*this); 4598227825Stheraven} 4599227825Stheraven 4600227825Stheraventemplate<class _Tp> 4601227825Stheraventemplate<class _Yp, class _Dp, class _Alloc> 4602227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4603232950Stheraventypename enable_if 4604232950Stheraven< 4605232950Stheraven is_convertible<_Yp*, _Tp*>::value, 4606232950Stheraven void 4607232950Stheraven>::type 4608227825Stheravenshared_ptr<_Tp>::reset(_Yp* __p, _Dp __d, _Alloc __a) 4609227825Stheraven{ 4610227825Stheraven shared_ptr(__p, __d, __a).swap(*this); 4611227825Stheraven} 4612227825Stheraven 4613227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 4614227825Stheraven 4615227825Stheraventemplate<class _Tp, class ..._Args> 4616227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4617232950Stheraventypename enable_if 4618232950Stheraven< 4619232950Stheraven !is_array<_Tp>::value, 4620232950Stheraven shared_ptr<_Tp> 4621232950Stheraven>::type 4622227825Stheravenmake_shared(_Args&& ...__args) 4623227825Stheraven{ 4624227825Stheraven return shared_ptr<_Tp>::make_shared(_VSTD::forward<_Args>(__args)...); 4625227825Stheraven} 4626227825Stheraven 4627227825Stheraventemplate<class _Tp, class _Alloc, class ..._Args> 4628227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4629232950Stheraventypename enable_if 4630232950Stheraven< 4631232950Stheraven !is_array<_Tp>::value, 4632232950Stheraven shared_ptr<_Tp> 4633232950Stheraven>::type 4634227825Stheravenallocate_shared(const _Alloc& __a, _Args&& ...__args) 4635227825Stheraven{ 4636227825Stheraven return shared_ptr<_Tp>::allocate_shared(__a, _VSTD::forward<_Args>(__args)...); 4637227825Stheraven} 4638227825Stheraven 4639227825Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 4640227825Stheraven 4641227825Stheraventemplate<class _Tp> 4642227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4643227825Stheravenshared_ptr<_Tp> 4644227825Stheravenmake_shared() 4645227825Stheraven{ 4646227825Stheraven return shared_ptr<_Tp>::make_shared(); 4647227825Stheraven} 4648227825Stheraven 4649227825Stheraventemplate<class _Tp, class _A0> 4650227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4651227825Stheravenshared_ptr<_Tp> 4652227825Stheravenmake_shared(_A0& __a0) 4653227825Stheraven{ 4654227825Stheraven return shared_ptr<_Tp>::make_shared(__a0); 4655227825Stheraven} 4656227825Stheraven 4657227825Stheraventemplate<class _Tp, class _A0, class _A1> 4658227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4659227825Stheravenshared_ptr<_Tp> 4660227825Stheravenmake_shared(_A0& __a0, _A1& __a1) 4661227825Stheraven{ 4662227825Stheraven return shared_ptr<_Tp>::make_shared(__a0, __a1); 4663227825Stheraven} 4664227825Stheraven 4665227825Stheraventemplate<class _Tp, class _A0, class _A1, class _A2> 4666227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4667227825Stheravenshared_ptr<_Tp> 4668227825Stheravenmake_shared(_A0& __a0, _A1& __a1, _A2& __a2) 4669227825Stheraven{ 4670227825Stheraven return shared_ptr<_Tp>::make_shared(__a0, __a1, __a2); 4671227825Stheraven} 4672227825Stheraven 4673227825Stheraventemplate<class _Tp, class _Alloc> 4674227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4675227825Stheravenshared_ptr<_Tp> 4676227825Stheravenallocate_shared(const _Alloc& __a) 4677227825Stheraven{ 4678227825Stheraven return shared_ptr<_Tp>::allocate_shared(__a); 4679227825Stheraven} 4680227825Stheraven 4681227825Stheraventemplate<class _Tp, class _Alloc, class _A0> 4682227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4683227825Stheravenshared_ptr<_Tp> 4684227825Stheravenallocate_shared(const _Alloc& __a, _A0& __a0) 4685227825Stheraven{ 4686227825Stheraven return shared_ptr<_Tp>::allocate_shared(__a, __a0); 4687227825Stheraven} 4688227825Stheraven 4689227825Stheraventemplate<class _Tp, class _Alloc, class _A0, class _A1> 4690227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4691227825Stheravenshared_ptr<_Tp> 4692227825Stheravenallocate_shared(const _Alloc& __a, _A0& __a0, _A1& __a1) 4693227825Stheraven{ 4694227825Stheraven return shared_ptr<_Tp>::allocate_shared(__a, __a0, __a1); 4695227825Stheraven} 4696227825Stheraven 4697227825Stheraventemplate<class _Tp, class _Alloc, class _A0, class _A1, class _A2> 4698227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4699227825Stheravenshared_ptr<_Tp> 4700227825Stheravenallocate_shared(const _Alloc& __a, _A0& __a0, _A1& __a1, _A2& __a2) 4701227825Stheraven{ 4702227825Stheraven return shared_ptr<_Tp>::allocate_shared(__a, __a0, __a1, __a2); 4703227825Stheraven} 4704227825Stheraven 4705227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 4706227825Stheraven 4707227825Stheraventemplate<class _Tp, class _Up> 4708227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4709227825Stheravenbool 4710227825Stheravenoperator==(const shared_ptr<_Tp>& __x, const shared_ptr<_Up>& __y) _NOEXCEPT 4711227825Stheraven{ 4712227825Stheraven return __x.get() == __y.get(); 4713227825Stheraven} 4714227825Stheraven 4715227825Stheraventemplate<class _Tp, class _Up> 4716227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4717227825Stheravenbool 4718227825Stheravenoperator!=(const shared_ptr<_Tp>& __x, const shared_ptr<_Up>& __y) _NOEXCEPT 4719227825Stheraven{ 4720227825Stheraven return !(__x == __y); 4721227825Stheraven} 4722227825Stheraven 4723227825Stheraventemplate<class _Tp, class _Up> 4724227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4725227825Stheravenbool 4726227825Stheravenoperator<(const shared_ptr<_Tp>& __x, const shared_ptr<_Up>& __y) _NOEXCEPT 4727227825Stheraven{ 4728232950Stheraven typedef typename common_type<_Tp*, _Up*>::type _V; 4729232950Stheraven return less<_V>()(__x.get(), __y.get()); 4730227825Stheraven} 4731227825Stheraven 4732232950Stheraventemplate<class _Tp, class _Up> 4733232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4734232950Stheravenbool 4735232950Stheravenoperator>(const shared_ptr<_Tp>& __x, const shared_ptr<_Up>& __y) _NOEXCEPT 4736232950Stheraven{ 4737232950Stheraven return __y < __x; 4738232950Stheraven} 4739232950Stheraven 4740232950Stheraventemplate<class _Tp, class _Up> 4741232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4742232950Stheravenbool 4743232950Stheravenoperator<=(const shared_ptr<_Tp>& __x, const shared_ptr<_Up>& __y) _NOEXCEPT 4744232950Stheraven{ 4745232950Stheraven return !(__y < __x); 4746232950Stheraven} 4747232950Stheraven 4748232950Stheraventemplate<class _Tp, class _Up> 4749232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4750232950Stheravenbool 4751232950Stheravenoperator>=(const shared_ptr<_Tp>& __x, const shared_ptr<_Up>& __y) _NOEXCEPT 4752232950Stheraven{ 4753232950Stheraven return !(__x < __y); 4754232950Stheraven} 4755232950Stheraven 4756227825Stheraventemplate<class _Tp> 4757227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4758232950Stheravenbool 4759232950Stheravenoperator==(const shared_ptr<_Tp>& __x, nullptr_t) _NOEXCEPT 4760232950Stheraven{ 4761232950Stheraven return !__x; 4762232950Stheraven} 4763232950Stheraven 4764232950Stheraventemplate<class _Tp> 4765232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4766232950Stheravenbool 4767232950Stheravenoperator==(nullptr_t, const shared_ptr<_Tp>& __x) _NOEXCEPT 4768232950Stheraven{ 4769232950Stheraven return !__x; 4770232950Stheraven} 4771232950Stheraven 4772232950Stheraventemplate<class _Tp> 4773232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4774232950Stheravenbool 4775232950Stheravenoperator!=(const shared_ptr<_Tp>& __x, nullptr_t) _NOEXCEPT 4776232950Stheraven{ 4777232950Stheraven return static_cast<bool>(__x); 4778232950Stheraven} 4779232950Stheraven 4780232950Stheraventemplate<class _Tp> 4781232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4782232950Stheravenbool 4783232950Stheravenoperator!=(nullptr_t, const shared_ptr<_Tp>& __x) _NOEXCEPT 4784232950Stheraven{ 4785232950Stheraven return static_cast<bool>(__x); 4786232950Stheraven} 4787232950Stheraven 4788232950Stheraventemplate<class _Tp> 4789232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4790232950Stheravenbool 4791232950Stheravenoperator<(const shared_ptr<_Tp>& __x, nullptr_t) _NOEXCEPT 4792232950Stheraven{ 4793232950Stheraven return less<_Tp*>()(__x.get(), nullptr); 4794232950Stheraven} 4795232950Stheraven 4796232950Stheraventemplate<class _Tp> 4797232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4798232950Stheravenbool 4799232950Stheravenoperator<(nullptr_t, const shared_ptr<_Tp>& __x) _NOEXCEPT 4800232950Stheraven{ 4801232950Stheraven return less<_Tp*>()(nullptr, __x.get()); 4802232950Stheraven} 4803232950Stheraven 4804232950Stheraventemplate<class _Tp> 4805232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4806232950Stheravenbool 4807232950Stheravenoperator>(const shared_ptr<_Tp>& __x, nullptr_t) _NOEXCEPT 4808232950Stheraven{ 4809232950Stheraven return nullptr < __x; 4810232950Stheraven} 4811232950Stheraven 4812232950Stheraventemplate<class _Tp> 4813232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4814232950Stheravenbool 4815232950Stheravenoperator>(nullptr_t, const shared_ptr<_Tp>& __x) _NOEXCEPT 4816232950Stheraven{ 4817232950Stheraven return __x < nullptr; 4818232950Stheraven} 4819232950Stheraven 4820232950Stheraventemplate<class _Tp> 4821232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4822232950Stheravenbool 4823232950Stheravenoperator<=(const shared_ptr<_Tp>& __x, nullptr_t) _NOEXCEPT 4824232950Stheraven{ 4825232950Stheraven return !(nullptr < __x); 4826232950Stheraven} 4827232950Stheraven 4828232950Stheraventemplate<class _Tp> 4829232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4830232950Stheravenbool 4831232950Stheravenoperator<=(nullptr_t, const shared_ptr<_Tp>& __x) _NOEXCEPT 4832232950Stheraven{ 4833232950Stheraven return !(__x < nullptr); 4834232950Stheraven} 4835232950Stheraven 4836232950Stheraventemplate<class _Tp> 4837232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4838232950Stheravenbool 4839232950Stheravenoperator>=(const shared_ptr<_Tp>& __x, nullptr_t) _NOEXCEPT 4840232950Stheraven{ 4841232950Stheraven return !(__x < nullptr); 4842232950Stheraven} 4843232950Stheraven 4844232950Stheraventemplate<class _Tp> 4845232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4846232950Stheravenbool 4847232950Stheravenoperator>=(nullptr_t, const shared_ptr<_Tp>& __x) _NOEXCEPT 4848232950Stheraven{ 4849232950Stheraven return !(nullptr < __x); 4850232950Stheraven} 4851232950Stheraven 4852232950Stheraventemplate<class _Tp> 4853232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4854227825Stheravenvoid 4855227825Stheravenswap(shared_ptr<_Tp>& __x, shared_ptr<_Tp>& __y) _NOEXCEPT 4856227825Stheraven{ 4857227825Stheraven __x.swap(__y); 4858227825Stheraven} 4859227825Stheraven 4860227825Stheraventemplate<class _Tp, class _Up> 4861227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4862232950Stheraventypename enable_if 4863232950Stheraven< 4864232950Stheraven !is_array<_Tp>::value && !is_array<_Up>::value, 4865232950Stheraven shared_ptr<_Tp> 4866232950Stheraven>::type 4867227825Stheravenstatic_pointer_cast(const shared_ptr<_Up>& __r) _NOEXCEPT 4868227825Stheraven{ 4869227825Stheraven return shared_ptr<_Tp>(__r, static_cast<_Tp*>(__r.get())); 4870227825Stheraven} 4871227825Stheraven 4872227825Stheraventemplate<class _Tp, class _Up> 4873227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4874232950Stheraventypename enable_if 4875232950Stheraven< 4876232950Stheraven !is_array<_Tp>::value && !is_array<_Up>::value, 4877232950Stheraven shared_ptr<_Tp> 4878232950Stheraven>::type 4879227825Stheravendynamic_pointer_cast(const shared_ptr<_Up>& __r) _NOEXCEPT 4880227825Stheraven{ 4881227825Stheraven _Tp* __p = dynamic_cast<_Tp*>(__r.get()); 4882227825Stheraven return __p ? shared_ptr<_Tp>(__r, __p) : shared_ptr<_Tp>(); 4883227825Stheraven} 4884227825Stheraven 4885227825Stheraventemplate<class _Tp, class _Up> 4886232950Stheraventypename enable_if 4887232950Stheraven< 4888232950Stheraven is_array<_Tp>::value == is_array<_Up>::value, 4889232950Stheraven shared_ptr<_Tp> 4890232950Stheraven>::type 4891227825Stheravenconst_pointer_cast(const shared_ptr<_Up>& __r) _NOEXCEPT 4892227825Stheraven{ 4893232950Stheraven typedef typename remove_extent<_Tp>::type _RTp; 4894232950Stheraven return shared_ptr<_Tp>(__r, const_cast<_RTp*>(__r.get())); 4895227825Stheraven} 4896227825Stheraven 4897227825Stheraven#ifndef _LIBCPP_NO_RTTI 4898227825Stheraven 4899227825Stheraventemplate<class _Dp, class _Tp> 4900227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4901227825Stheraven_Dp* 4902227825Stheravenget_deleter(const shared_ptr<_Tp>& __p) _NOEXCEPT 4903227825Stheraven{ 4904227825Stheraven return __p.template __get_deleter<_Dp>(); 4905227825Stheraven} 4906227825Stheraven 4907227825Stheraven#endif // _LIBCPP_NO_RTTI 4908227825Stheraven 4909227825Stheraventemplate<class _Tp> 4910227825Stheravenclass _LIBCPP_VISIBLE weak_ptr 4911227825Stheraven{ 4912227825Stheravenpublic: 4913227825Stheraven typedef _Tp element_type; 4914227825Stheravenprivate: 4915227825Stheraven element_type* __ptr_; 4916227825Stheraven __shared_weak_count* __cntrl_; 4917227825Stheraven 4918227825Stheravenpublic: 4919227825Stheraven weak_ptr() _NOEXCEPT; 4920227825Stheraven template<class _Yp> weak_ptr(shared_ptr<_Yp> const& __r, 4921227825Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat*>::type = 0) 4922227825Stheraven _NOEXCEPT; 4923227825Stheraven weak_ptr(weak_ptr const& __r) _NOEXCEPT; 4924227825Stheraven template<class _Yp> weak_ptr(weak_ptr<_Yp> const& __r, 4925227825Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat*>::type = 0) 4926227825Stheraven _NOEXCEPT; 4927227825Stheraven 4928232950Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 4929232950Stheraven weak_ptr(weak_ptr&& __r) _NOEXCEPT; 4930232950Stheraven template<class _Yp> weak_ptr(weak_ptr<_Yp>&& __r, 4931232950Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat*>::type = 0) 4932232950Stheraven _NOEXCEPT; 4933232950Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 4934227825Stheraven ~weak_ptr(); 4935227825Stheraven 4936227825Stheraven weak_ptr& operator=(weak_ptr const& __r) _NOEXCEPT; 4937232950Stheraven template<class _Yp> 4938232950Stheraven typename enable_if 4939232950Stheraven < 4940232950Stheraven is_convertible<_Yp*, element_type*>::value, 4941232950Stheraven weak_ptr& 4942232950Stheraven >::type 4943232950Stheraven operator=(weak_ptr<_Yp> const& __r) _NOEXCEPT; 4944227825Stheraven 4945232950Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 4946232950Stheraven 4947232950Stheraven weak_ptr& operator=(weak_ptr&& __r) _NOEXCEPT; 4948232950Stheraven template<class _Yp> 4949232950Stheraven typename enable_if 4950232950Stheraven < 4951232950Stheraven is_convertible<_Yp*, element_type*>::value, 4952232950Stheraven weak_ptr& 4953232950Stheraven >::type 4954232950Stheraven operator=(weak_ptr<_Yp>&& __r) _NOEXCEPT; 4955232950Stheraven 4956232950Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 4957232950Stheraven 4958232950Stheraven template<class _Yp> 4959232950Stheraven typename enable_if 4960232950Stheraven < 4961232950Stheraven is_convertible<_Yp*, element_type*>::value, 4962232950Stheraven weak_ptr& 4963232950Stheraven >::type 4964232950Stheraven operator=(shared_ptr<_Yp> const& __r) _NOEXCEPT; 4965232950Stheraven 4966227825Stheraven void swap(weak_ptr& __r) _NOEXCEPT; 4967227825Stheraven void reset() _NOEXCEPT; 4968227825Stheraven 4969227825Stheraven _LIBCPP_INLINE_VISIBILITY 4970227825Stheraven long use_count() const _NOEXCEPT 4971227825Stheraven {return __cntrl_ ? __cntrl_->use_count() : 0;} 4972227825Stheraven _LIBCPP_INLINE_VISIBILITY 4973227825Stheraven bool expired() const _NOEXCEPT 4974227825Stheraven {return __cntrl_ == 0 || __cntrl_->use_count() == 0;} 4975227825Stheraven shared_ptr<_Tp> lock() const _NOEXCEPT; 4976227825Stheraven template<class _Up> 4977227825Stheraven _LIBCPP_INLINE_VISIBILITY 4978227825Stheraven bool owner_before(const shared_ptr<_Up>& __r) const 4979227825Stheraven {return __cntrl_ < __r.__cntrl_;} 4980227825Stheraven template<class _Up> 4981227825Stheraven _LIBCPP_INLINE_VISIBILITY 4982227825Stheraven bool owner_before(const weak_ptr<_Up>& __r) const 4983227825Stheraven {return __cntrl_ < __r.__cntrl_;} 4984227825Stheraven 4985227825Stheraven template <class _Up> friend class _LIBCPP_VISIBLE weak_ptr; 4986227825Stheraven template <class _Up> friend class _LIBCPP_VISIBLE shared_ptr; 4987227825Stheraven}; 4988227825Stheraven 4989227825Stheraventemplate<class _Tp> 4990227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4991227825Stheravenweak_ptr<_Tp>::weak_ptr() _NOEXCEPT 4992227825Stheraven : __ptr_(0), 4993227825Stheraven __cntrl_(0) 4994227825Stheraven{ 4995227825Stheraven} 4996227825Stheraven 4997227825Stheraventemplate<class _Tp> 4998227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4999227825Stheravenweak_ptr<_Tp>::weak_ptr(weak_ptr const& __r) _NOEXCEPT 5000227825Stheraven : __ptr_(__r.__ptr_), 5001227825Stheraven __cntrl_(__r.__cntrl_) 5002227825Stheraven{ 5003227825Stheraven if (__cntrl_) 5004227825Stheraven __cntrl_->__add_weak(); 5005227825Stheraven} 5006227825Stheraven 5007227825Stheraventemplate<class _Tp> 5008227825Stheraventemplate<class _Yp> 5009227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 5010227825Stheravenweak_ptr<_Tp>::weak_ptr(shared_ptr<_Yp> const& __r, 5011227825Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat*>::type) 5012227825Stheraven _NOEXCEPT 5013227825Stheraven : __ptr_(__r.__ptr_), 5014227825Stheraven __cntrl_(__r.__cntrl_) 5015227825Stheraven{ 5016227825Stheraven if (__cntrl_) 5017227825Stheraven __cntrl_->__add_weak(); 5018227825Stheraven} 5019227825Stheraven 5020227825Stheraventemplate<class _Tp> 5021227825Stheraventemplate<class _Yp> 5022227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 5023227825Stheravenweak_ptr<_Tp>::weak_ptr(weak_ptr<_Yp> const& __r, 5024227825Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat*>::type) 5025227825Stheraven _NOEXCEPT 5026227825Stheraven : __ptr_(__r.__ptr_), 5027227825Stheraven __cntrl_(__r.__cntrl_) 5028227825Stheraven{ 5029227825Stheraven if (__cntrl_) 5030227825Stheraven __cntrl_->__add_weak(); 5031227825Stheraven} 5032227825Stheraven 5033232950Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 5034232950Stheraven 5035227825Stheraventemplate<class _Tp> 5036232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 5037232950Stheravenweak_ptr<_Tp>::weak_ptr(weak_ptr&& __r) _NOEXCEPT 5038232950Stheraven : __ptr_(__r.__ptr_), 5039232950Stheraven __cntrl_(__r.__cntrl_) 5040232950Stheraven{ 5041232950Stheraven __r.__ptr_ = 0; 5042232950Stheraven __r.__cntrl_ = 0; 5043232950Stheraven} 5044232950Stheraven 5045232950Stheraventemplate<class _Tp> 5046232950Stheraventemplate<class _Yp> 5047232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 5048232950Stheravenweak_ptr<_Tp>::weak_ptr(weak_ptr<_Yp>&& __r, 5049232950Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat*>::type) 5050232950Stheraven _NOEXCEPT 5051232950Stheraven : __ptr_(__r.__ptr_), 5052232950Stheraven __cntrl_(__r.__cntrl_) 5053232950Stheraven{ 5054232950Stheraven __r.__ptr_ = 0; 5055232950Stheraven __r.__cntrl_ = 0; 5056232950Stheraven} 5057232950Stheraven 5058232950Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 5059232950Stheraven 5060232950Stheraventemplate<class _Tp> 5061227825Stheravenweak_ptr<_Tp>::~weak_ptr() 5062227825Stheraven{ 5063227825Stheraven if (__cntrl_) 5064227825Stheraven __cntrl_->__release_weak(); 5065227825Stheraven} 5066227825Stheraven 5067227825Stheraventemplate<class _Tp> 5068227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 5069227825Stheravenweak_ptr<_Tp>& 5070227825Stheravenweak_ptr<_Tp>::operator=(weak_ptr const& __r) _NOEXCEPT 5071227825Stheraven{ 5072227825Stheraven weak_ptr(__r).swap(*this); 5073227825Stheraven return *this; 5074227825Stheraven} 5075227825Stheraven 5076227825Stheraventemplate<class _Tp> 5077227825Stheraventemplate<class _Yp> 5078227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 5079232950Stheraventypename enable_if 5080232950Stheraven< 5081232950Stheraven is_convertible<_Yp*, _Tp*>::value, 5082232950Stheraven weak_ptr<_Tp>& 5083232950Stheraven>::type 5084227825Stheravenweak_ptr<_Tp>::operator=(weak_ptr<_Yp> const& __r) _NOEXCEPT 5085227825Stheraven{ 5086227825Stheraven weak_ptr(__r).swap(*this); 5087227825Stheraven return *this; 5088227825Stheraven} 5089227825Stheraven 5090232950Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 5091232950Stheraven 5092227825Stheraventemplate<class _Tp> 5093232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 5094232950Stheravenweak_ptr<_Tp>& 5095232950Stheravenweak_ptr<_Tp>::operator=(weak_ptr&& __r) _NOEXCEPT 5096232950Stheraven{ 5097232950Stheraven weak_ptr(_VSTD::move(__r)).swap(*this); 5098232950Stheraven return *this; 5099232950Stheraven} 5100232950Stheraven 5101232950Stheraventemplate<class _Tp> 5102227825Stheraventemplate<class _Yp> 5103227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 5104232950Stheraventypename enable_if 5105232950Stheraven< 5106232950Stheraven is_convertible<_Yp*, _Tp*>::value, 5107232950Stheraven weak_ptr<_Tp>& 5108232950Stheraven>::type 5109232950Stheravenweak_ptr<_Tp>::operator=(weak_ptr<_Yp>&& __r) _NOEXCEPT 5110232950Stheraven{ 5111232950Stheraven weak_ptr(_VSTD::move(__r)).swap(*this); 5112232950Stheraven return *this; 5113232950Stheraven} 5114232950Stheraven 5115232950Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 5116232950Stheraven 5117232950Stheraventemplate<class _Tp> 5118232950Stheraventemplate<class _Yp> 5119232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 5120232950Stheraventypename enable_if 5121232950Stheraven< 5122232950Stheraven is_convertible<_Yp*, _Tp*>::value, 5123232950Stheraven weak_ptr<_Tp>& 5124232950Stheraven>::type 5125227825Stheravenweak_ptr<_Tp>::operator=(shared_ptr<_Yp> const& __r) _NOEXCEPT 5126227825Stheraven{ 5127227825Stheraven weak_ptr(__r).swap(*this); 5128227825Stheraven return *this; 5129227825Stheraven} 5130227825Stheraven 5131227825Stheraventemplate<class _Tp> 5132227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 5133227825Stheravenvoid 5134227825Stheravenweak_ptr<_Tp>::swap(weak_ptr& __r) _NOEXCEPT 5135227825Stheraven{ 5136227825Stheraven _VSTD::swap(__ptr_, __r.__ptr_); 5137227825Stheraven _VSTD::swap(__cntrl_, __r.__cntrl_); 5138227825Stheraven} 5139227825Stheraven 5140227825Stheraventemplate<class _Tp> 5141227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 5142227825Stheravenvoid 5143227825Stheravenswap(weak_ptr<_Tp>& __x, weak_ptr<_Tp>& __y) _NOEXCEPT 5144227825Stheraven{ 5145227825Stheraven __x.swap(__y); 5146227825Stheraven} 5147227825Stheraven 5148227825Stheraventemplate<class _Tp> 5149227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 5150227825Stheravenvoid 5151227825Stheravenweak_ptr<_Tp>::reset() _NOEXCEPT 5152227825Stheraven{ 5153227825Stheraven weak_ptr().swap(*this); 5154227825Stheraven} 5155227825Stheraven 5156227825Stheraventemplate<class _Tp> 5157227825Stheraventemplate<class _Yp> 5158227825Stheravenshared_ptr<_Tp>::shared_ptr(const weak_ptr<_Yp>& __r, 5159227825Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat>::type) 5160227825Stheraven : __ptr_(__r.__ptr_), 5161227825Stheraven __cntrl_(__r.__cntrl_ ? __r.__cntrl_->lock() : __r.__cntrl_) 5162227825Stheraven{ 5163227825Stheraven if (__cntrl_ == 0) 5164227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 5165227825Stheraven throw bad_weak_ptr(); 5166227825Stheraven#else 5167227825Stheraven assert(!"bad_weak_ptr"); 5168227825Stheraven#endif 5169227825Stheraven} 5170227825Stheraven 5171227825Stheraventemplate<class _Tp> 5172227825Stheravenshared_ptr<_Tp> 5173227825Stheravenweak_ptr<_Tp>::lock() const _NOEXCEPT 5174227825Stheraven{ 5175227825Stheraven shared_ptr<_Tp> __r; 5176227825Stheraven __r.__cntrl_ = __cntrl_ ? __cntrl_->lock() : __cntrl_; 5177227825Stheraven if (__r.__cntrl_) 5178227825Stheraven __r.__ptr_ = __ptr_; 5179227825Stheraven return __r; 5180227825Stheraven} 5181227825Stheraven 5182227825Stheraventemplate <class _Tp> struct owner_less; 5183227825Stheraven 5184227825Stheraventemplate <class _Tp> 5185227825Stheravenstruct _LIBCPP_VISIBLE owner_less<shared_ptr<_Tp> > 5186227825Stheraven : binary_function<shared_ptr<_Tp>, shared_ptr<_Tp>, bool> 5187227825Stheraven{ 5188227825Stheraven typedef bool result_type; 5189227825Stheraven _LIBCPP_INLINE_VISIBILITY 5190227825Stheraven bool operator()(shared_ptr<_Tp> const& __x, shared_ptr<_Tp> const& __y) const 5191227825Stheraven {return __x.owner_before(__y);} 5192227825Stheraven _LIBCPP_INLINE_VISIBILITY 5193227825Stheraven bool operator()(shared_ptr<_Tp> const& __x, weak_ptr<_Tp> const& __y) const 5194227825Stheraven {return __x.owner_before(__y);} 5195227825Stheraven _LIBCPP_INLINE_VISIBILITY 5196227825Stheraven bool operator()( weak_ptr<_Tp> const& __x, shared_ptr<_Tp> const& __y) const 5197227825Stheraven {return __x.owner_before(__y);} 5198227825Stheraven}; 5199227825Stheraven 5200227825Stheraventemplate <class _Tp> 5201227825Stheravenstruct _LIBCPP_VISIBLE owner_less<weak_ptr<_Tp> > 5202227825Stheraven : binary_function<weak_ptr<_Tp>, weak_ptr<_Tp>, bool> 5203227825Stheraven{ 5204227825Stheraven typedef bool result_type; 5205227825Stheraven _LIBCPP_INLINE_VISIBILITY 5206227825Stheraven bool operator()( weak_ptr<_Tp> const& __x, weak_ptr<_Tp> const& __y) const 5207227825Stheraven {return __x.owner_before(__y);} 5208227825Stheraven _LIBCPP_INLINE_VISIBILITY 5209227825Stheraven bool operator()(shared_ptr<_Tp> const& __x, weak_ptr<_Tp> const& __y) const 5210227825Stheraven {return __x.owner_before(__y);} 5211227825Stheraven _LIBCPP_INLINE_VISIBILITY 5212227825Stheraven bool operator()( weak_ptr<_Tp> const& __x, shared_ptr<_Tp> const& __y) const 5213227825Stheraven {return __x.owner_before(__y);} 5214227825Stheraven}; 5215227825Stheraven 5216227825Stheraventemplate<class _Tp> 5217227825Stheravenclass _LIBCPP_VISIBLE enable_shared_from_this 5218227825Stheraven{ 5219227825Stheraven mutable weak_ptr<_Tp> __weak_this_; 5220227825Stheravenprotected: 5221227825Stheraven _LIBCPP_INLINE_VISIBILITY 5222227825Stheraven enable_shared_from_this() _NOEXCEPT {} 5223227825Stheraven _LIBCPP_INLINE_VISIBILITY 5224227825Stheraven enable_shared_from_this(enable_shared_from_this const&) _NOEXCEPT {} 5225227825Stheraven _LIBCPP_INLINE_VISIBILITY 5226227825Stheraven enable_shared_from_this& operator=(enable_shared_from_this const&) _NOEXCEPT 5227227825Stheraven {return *this;} 5228227825Stheraven _LIBCPP_INLINE_VISIBILITY 5229227825Stheraven ~enable_shared_from_this() {} 5230227825Stheravenpublic: 5231227825Stheraven _LIBCPP_INLINE_VISIBILITY 5232227825Stheraven shared_ptr<_Tp> shared_from_this() 5233227825Stheraven {return shared_ptr<_Tp>(__weak_this_);} 5234227825Stheraven _LIBCPP_INLINE_VISIBILITY 5235227825Stheraven shared_ptr<_Tp const> shared_from_this() const 5236227825Stheraven {return shared_ptr<const _Tp>(__weak_this_);} 5237227825Stheraven 5238227825Stheraven template <class _Up> friend class shared_ptr; 5239227825Stheraven}; 5240227825Stheraven 5241227825Stheraventemplate <class _Tp> 5242227825Stheravenstruct _LIBCPP_VISIBLE hash<shared_ptr<_Tp> > 5243227825Stheraven{ 5244227825Stheraven typedef shared_ptr<_Tp> argument_type; 5245227825Stheraven typedef size_t result_type; 5246227825Stheraven _LIBCPP_INLINE_VISIBILITY 5247227825Stheraven result_type operator()(const argument_type& __ptr) const _NOEXCEPT 5248227825Stheraven { 5249227825Stheraven return hash<_Tp*>()(__ptr.get()); 5250227825Stheraven } 5251227825Stheraven}; 5252227825Stheraven 5253232950Stheraventemplate<class _CharT, class _Traits, class _Yp> 5254227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 5255227825Stheravenbasic_ostream<_CharT, _Traits>& 5256232950Stheravenoperator<<(basic_ostream<_CharT, _Traits>& __os, shared_ptr<_Yp> const& __p); 5257227825Stheraven 5258227825Stheraven//enum class 5259227825Stheravenstruct _LIBCPP_VISIBLE pointer_safety 5260227825Stheraven{ 5261227825Stheraven enum _ 5262227825Stheraven { 5263227825Stheraven relaxed, 5264227825Stheraven preferred, 5265227825Stheraven strict 5266227825Stheraven }; 5267227825Stheraven 5268227825Stheraven _ __v_; 5269227825Stheraven 5270227825Stheraven _LIBCPP_INLINE_VISIBILITY 5271227825Stheraven pointer_safety(_ __v) : __v_(__v) {} 5272227825Stheraven _LIBCPP_INLINE_VISIBILITY 5273227825Stheraven operator int() const {return __v_;} 5274227825Stheraven}; 5275227825Stheraven 5276227825Stheravenvoid declare_reachable(void* __p); 5277227825Stheravenvoid declare_no_pointers(char* __p, size_t __n); 5278227825Stheravenvoid undeclare_no_pointers(char* __p, size_t __n); 5279227825Stheravenpointer_safety get_pointer_safety() _NOEXCEPT; 5280227825Stheravenvoid* __undeclare_reachable(void* __p); 5281227825Stheraven 5282227825Stheraventemplate <class _Tp> 5283227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 5284227825Stheraven_Tp* 5285227825Stheravenundeclare_reachable(_Tp* __p) 5286227825Stheraven{ 5287227825Stheraven return static_cast<_Tp*>(__undeclare_reachable(__p)); 5288227825Stheraven} 5289227825Stheraven 5290227825Stheravenvoid* align(size_t __align, size_t __sz, void*& __ptr, size_t& __space); 5291227825Stheraven 5292227825Stheraven_LIBCPP_END_NAMESPACE_STD 5293227825Stheraven 5294227825Stheraven#endif // _LIBCPP_MEMORY 5295