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 93262801Sdim static size_type max_size(const allocator_type& a); // noexcept in C++14 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 353253159Stheraventemplate<class T, class... Args> unique_ptr<T> make_unique(Args&&... args); // C++14 354253159Stheraventemplate<class T> unique_ptr<T> make_unique(size_t n); // C++14 355253159Stheraventemplate<class T, class... Args> unspecified make_unique(Args&&...) = delete; // C++14, T == U[N] 356253159Stheraven 357227825Stheraventemplate<class T> 358227825Stheravenclass shared_ptr 359227825Stheraven{ 360227825Stheravenpublic: 361227825Stheraven typedef T element_type; 362227825Stheraven 363227825Stheraven // constructors: 364227825Stheraven constexpr shared_ptr() noexcept; 365227825Stheraven template<class Y> explicit shared_ptr(Y* p); 366227825Stheraven template<class Y, class D> shared_ptr(Y* p, D d); 367227825Stheraven template<class Y, class D, class A> shared_ptr(Y* p, D d, A a); 368227825Stheraven template <class D> shared_ptr(nullptr_t p, D d); 369227825Stheraven template <class D, class A> shared_ptr(nullptr_t p, D d, A a); 370227825Stheraven template<class Y> shared_ptr(const shared_ptr<Y>& r, T *p) noexcept; 371227825Stheraven shared_ptr(const shared_ptr& r) noexcept; 372227825Stheraven template<class Y> shared_ptr(const shared_ptr<Y>& r) noexcept; 373227825Stheraven shared_ptr(shared_ptr&& r) noexcept; 374227825Stheraven template<class Y> shared_ptr(shared_ptr<Y>&& r) noexcept; 375227825Stheraven template<class Y> explicit shared_ptr(const weak_ptr<Y>& r); 376227825Stheraven template<class Y> shared_ptr(auto_ptr<Y>&& r); 377227825Stheraven template <class Y, class D> shared_ptr(unique_ptr<Y, D>&& r); 378227825Stheraven shared_ptr(nullptr_t) : shared_ptr() { } 379227825Stheraven 380227825Stheraven // destructor: 381227825Stheraven ~shared_ptr(); 382227825Stheraven 383227825Stheraven // assignment: 384227825Stheraven shared_ptr& operator=(const shared_ptr& r) noexcept; 385227825Stheraven template<class Y> shared_ptr& operator=(const shared_ptr<Y>& r) noexcept; 386227825Stheraven shared_ptr& operator=(shared_ptr&& r) noexcept; 387227825Stheraven template<class Y> shared_ptr& operator=(shared_ptr<Y>&& r); 388227825Stheraven template<class Y> shared_ptr& operator=(auto_ptr<Y>&& r); 389227825Stheraven template <class Y, class D> shared_ptr& operator=(unique_ptr<Y, D>&& r); 390227825Stheraven 391227825Stheraven // modifiers: 392227825Stheraven void swap(shared_ptr& r) noexcept; 393227825Stheraven void reset() noexcept; 394227825Stheraven template<class Y> void reset(Y* p); 395227825Stheraven template<class Y, class D> void reset(Y* p, D d); 396227825Stheraven template<class Y, class D, class A> void reset(Y* p, D d, A a); 397227825Stheraven 398227825Stheraven // observers: 399227825Stheraven T* get() const noexcept; 400227825Stheraven T& operator*() const noexcept; 401227825Stheraven T* operator->() const noexcept; 402227825Stheraven long use_count() const noexcept; 403227825Stheraven bool unique() const noexcept; 404227825Stheraven explicit operator bool() const noexcept; 405227825Stheraven template<class U> bool owner_before(shared_ptr<U> const& b) const; 406227825Stheraven template<class U> bool owner_before(weak_ptr<U> const& b) const; 407227825Stheraven}; 408227825Stheraven 409227825Stheraven// shared_ptr comparisons: 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; 418227825Stheraventemplate<class T, class U> 419227825Stheraven bool operator<=(shared_ptr<T> const& a, shared_ptr<U> const& b) noexcept; 420227825Stheraventemplate<class T, class U> 421227825Stheraven bool operator>=(shared_ptr<T> const& a, shared_ptr<U> const& b) noexcept; 422227825Stheraven 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> 430227825Stheraven bool 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> 434227825Stheravenbool 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; 443227825Stheraventemplate <class T> 444227825Stheraven bool operator>=(const shared_ptr<T>& x, nullptr_t) noexcept; 445227825Stheraventemplate <class T> 446227825Stheraven bool operator>=(nullptr_t, const shared_ptr<T>& y) noexcept; 447227825Stheraven 448227825Stheraven// shared_ptr specialized algorithms: 449227825Stheraventemplate<class T> void swap(shared_ptr<T>& a, shared_ptr<T>& b) noexcept; 450227825Stheraven 451227825Stheraven// shared_ptr casts: 452227825Stheraventemplate<class T, class U> 453227825Stheraven shared_ptr<T> static_pointer_cast(shared_ptr<U> const& r) noexcept; 454227825Stheraventemplate<class T, class U> 455227825Stheraven shared_ptr<T> dynamic_pointer_cast(shared_ptr<U> const& r) noexcept; 456227825Stheraventemplate<class T, class U> 457227825Stheraven shared_ptr<T> const_pointer_cast(shared_ptr<U> const& r) noexcept; 458227825Stheraven 459227825Stheraven// shared_ptr I/O: 460227825Stheraventemplate<class E, class T, class Y> 461227825Stheraven basic_ostream<E, T>& operator<< (basic_ostream<E, T>& os, shared_ptr<Y> const& p); 462227825Stheraven 463227825Stheraven// shared_ptr get_deleter: 464227825Stheraventemplate<class D, class T> D* get_deleter(shared_ptr<T> const& p) noexcept; 465227825Stheraven 466227825Stheraventemplate<class T, class... Args> 467227825Stheraven shared_ptr<T> make_shared(Args&&... args); 468227825Stheraventemplate<class T, class A, class... Args> 469227825Stheraven shared_ptr<T> allocate_shared(const A& a, Args&&... args); 470227825Stheraven 471227825Stheraventemplate<class T> 472227825Stheravenclass weak_ptr 473227825Stheraven{ 474227825Stheravenpublic: 475227825Stheraven typedef T element_type; 476227825Stheraven 477227825Stheraven // constructors 478227825Stheraven constexpr weak_ptr() noexcept; 479227825Stheraven template<class Y> weak_ptr(shared_ptr<Y> const& r) noexcept; 480227825Stheraven weak_ptr(weak_ptr const& r) noexcept; 481227825Stheraven template<class Y> weak_ptr(weak_ptr<Y> const& r) noexcept; 482278724Sdim weak_ptr(weak_ptr&& r) noexcept; // C++14 483278724Sdim template<class Y> weak_ptr(weak_ptr<Y>&& r) noexcept; // C++14 484227825Stheraven 485227825Stheraven // destructor 486227825Stheraven ~weak_ptr(); 487227825Stheraven 488227825Stheraven // assignment 489227825Stheraven weak_ptr& operator=(weak_ptr const& r) noexcept; 490227825Stheraven template<class Y> weak_ptr& operator=(weak_ptr<Y> const& r) noexcept; 491227825Stheraven template<class Y> weak_ptr& operator=(shared_ptr<Y> const& r) noexcept; 492278724Sdim weak_ptr& operator=(weak_ptr&& r) noexcept; // C++14 493278724Sdim template<class Y> weak_ptr& operator=(weak_ptr<Y>&& r) noexcept; // C++14 494227825Stheraven 495227825Stheraven // modifiers 496227825Stheraven void swap(weak_ptr& r) noexcept; 497227825Stheraven void reset() noexcept; 498227825Stheraven 499227825Stheraven // observers 500227825Stheraven long use_count() const noexcept; 501227825Stheraven bool expired() const noexcept; 502227825Stheraven shared_ptr<T> lock() const noexcept; 503262801Sdim template<class U> bool owner_before(shared_ptr<U> const& b) const; 504262801Sdim template<class U> bool owner_before(weak_ptr<U> const& b) const; 505227825Stheraven}; 506227825Stheraven 507227825Stheraven// weak_ptr specialized algorithms: 508227825Stheraventemplate<class T> void swap(weak_ptr<T>& a, weak_ptr<T>& b) noexcept; 509227825Stheraven 510227825Stheraven// class owner_less: 511227825Stheraventemplate<class T> struct owner_less; 512227825Stheraven 513227825Stheraventemplate<class T> 514227825Stheravenstruct owner_less<shared_ptr<T>> 515227825Stheraven : binary_function<shared_ptr<T>, shared_ptr<T>, bool> 516227825Stheraven{ 517227825Stheraven typedef bool result_type; 518227825Stheraven bool operator()(shared_ptr<T> const&, shared_ptr<T> const&) const; 519227825Stheraven bool operator()(shared_ptr<T> const&, weak_ptr<T> const&) const; 520227825Stheraven bool operator()(weak_ptr<T> const&, shared_ptr<T> const&) const; 521227825Stheraven}; 522227825Stheraven 523227825Stheraventemplate<class T> 524227825Stheravenstruct owner_less<weak_ptr<T>> 525227825Stheraven : binary_function<weak_ptr<T>, weak_ptr<T>, bool> 526227825Stheraven{ 527227825Stheraven typedef bool result_type; 528227825Stheraven bool operator()(weak_ptr<T> const&, weak_ptr<T> const&) const; 529227825Stheraven bool operator()(shared_ptr<T> const&, weak_ptr<T> const&) const; 530227825Stheraven bool operator()(weak_ptr<T> const&, shared_ptr<T> const&) const; 531227825Stheraven}; 532227825Stheraven 533227825Stheraventemplate<class T> 534227825Stheravenclass enable_shared_from_this 535227825Stheraven{ 536227825Stheravenprotected: 537227825Stheraven constexpr enable_shared_from_this() noexcept; 538227825Stheraven enable_shared_from_this(enable_shared_from_this const&) noexcept; 539227825Stheraven enable_shared_from_this& operator=(enable_shared_from_this const&) noexcept; 540227825Stheraven ~enable_shared_from_this(); 541227825Stheravenpublic: 542227825Stheraven shared_ptr<T> shared_from_this(); 543227825Stheraven shared_ptr<T const> shared_from_this() const; 544227825Stheraven}; 545227825Stheraven 546227825Stheraventemplate<class T> 547227825Stheraven bool atomic_is_lock_free(const shared_ptr<T>* p); 548227825Stheraventemplate<class T> 549227825Stheraven shared_ptr<T> atomic_load(const shared_ptr<T>* p); 550227825Stheraventemplate<class T> 551227825Stheraven shared_ptr<T> atomic_load_explicit(const shared_ptr<T>* p, memory_order mo); 552227825Stheraventemplate<class T> 553227825Stheraven void atomic_store(shared_ptr<T>* p, shared_ptr<T> r); 554227825Stheraventemplate<class T> 555227825Stheraven void atomic_store_explicit(shared_ptr<T>* p, shared_ptr<T> r, memory_order mo); 556227825Stheraventemplate<class T> 557227825Stheraven shared_ptr<T> atomic_exchange(shared_ptr<T>* p, shared_ptr<T> r); 558227825Stheraventemplate<class T> 559227825Stheraven shared_ptr<T> 560227825Stheraven atomic_exchange_explicit(shared_ptr<T>* p, shared_ptr<T> r, memory_order mo); 561227825Stheraventemplate<class T> 562227825Stheraven bool 563227825Stheraven atomic_compare_exchange_weak(shared_ptr<T>* p, shared_ptr<T>* v, shared_ptr<T> w); 564227825Stheraventemplate<class T> 565227825Stheraven bool 566227825Stheraven atomic_compare_exchange_strong( shared_ptr<T>* p, shared_ptr<T>* v, shared_ptr<T> w); 567227825Stheraventemplate<class T> 568227825Stheraven bool 569227825Stheraven atomic_compare_exchange_weak_explicit(shared_ptr<T>* p, shared_ptr<T>* v, 570227825Stheraven shared_ptr<T> w, memory_order success, 571227825Stheraven memory_order failure); 572227825Stheraventemplate<class T> 573227825Stheraven bool 574227825Stheraven atomic_compare_exchange_strong_explicit(shared_ptr<T>* p, shared_ptr<T>* v, 575227825Stheraven shared_ptr<T> w, memory_order success, 576227825Stheraven memory_order failure); 577227825Stheraven// Hash support 578227825Stheraventemplate <class T> struct hash; 579227825Stheraventemplate <class T, class D> struct hash<unique_ptr<T, D> >; 580227825Stheraventemplate <class T> struct hash<shared_ptr<T> >; 581227825Stheraven 582227825Stheraven// Pointer safety 583227825Stheravenenum class pointer_safety { relaxed, preferred, strict }; 584227825Stheravenvoid declare_reachable(void *p); 585227825Stheraventemplate <class T> T *undeclare_reachable(T *p); 586227825Stheravenvoid declare_no_pointers(char *p, size_t n); 587227825Stheravenvoid undeclare_no_pointers(char *p, size_t n); 588227825Stheravenpointer_safety get_pointer_safety() noexcept; 589227825Stheraven 590227825Stheravenvoid* align(size_t alignment, size_t size, void*& ptr, size_t& space); 591227825Stheraven 592227825Stheraven} // std 593227825Stheraven 594227825Stheraven*/ 595227825Stheraven 596227825Stheraven#include <__config> 597227825Stheraven#include <type_traits> 598227825Stheraven#include <typeinfo> 599227825Stheraven#include <cstddef> 600227825Stheraven#include <cstdint> 601227825Stheraven#include <new> 602227825Stheraven#include <utility> 603227825Stheraven#include <limits> 604227825Stheraven#include <iterator> 605227825Stheraven#include <__functional_base> 606227825Stheraven#include <iosfwd> 607232950Stheraven#include <tuple> 608232950Stheraven#include <cstring> 609227825Stheraven#if defined(_LIBCPP_NO_EXCEPTIONS) 610227825Stheraven #include <cassert> 611227825Stheraven#endif 612227825Stheraven 613278724Sdim#if __has_feature(cxx_atomic) && !defined(_LIBCPP_HAS_NO_THREADS) 614241903Sdim# include <atomic> 615241903Sdim#endif 616241903Sdim 617232950Stheraven#include <__undef_min_max> 618232950Stheraven 619227825Stheraven#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 620227825Stheraven#pragma GCC system_header 621227825Stheraven#endif 622227825Stheraven 623227825Stheraven_LIBCPP_BEGIN_NAMESPACE_STD 624227825Stheraven 625262801Sdim// addressof moved to <__functional_base> 626227825Stheraven 627227825Stheraventemplate <class _Tp> class allocator; 628227825Stheraven 629227825Stheraventemplate <> 630262801Sdimclass _LIBCPP_TYPE_VIS_ONLY allocator<void> 631227825Stheraven{ 632227825Stheravenpublic: 633227825Stheraven typedef void* pointer; 634227825Stheraven typedef const void* const_pointer; 635227825Stheraven typedef void value_type; 636227825Stheraven 637227825Stheraven template <class _Up> struct rebind {typedef allocator<_Up> other;}; 638227825Stheraven}; 639227825Stheraven 640232950Stheraventemplate <> 641262801Sdimclass _LIBCPP_TYPE_VIS_ONLY allocator<const void> 642232950Stheraven{ 643232950Stheravenpublic: 644232950Stheraven typedef const void* pointer; 645232950Stheraven typedef const void* const_pointer; 646232950Stheraven typedef const void value_type; 647232950Stheraven 648232950Stheraven template <class _Up> struct rebind {typedef allocator<_Up> other;}; 649232950Stheraven}; 650232950Stheraven 651227825Stheraven// pointer_traits 652227825Stheraven 653227825Stheraventemplate <class _Tp> 654227825Stheravenstruct __has_element_type 655227825Stheraven{ 656227825Stheravenprivate: 657242945Stheraven struct __two {char __lx; char __lxx;}; 658227825Stheraven template <class _Up> static __two __test(...); 659227825Stheraven template <class _Up> static char __test(typename _Up::element_type* = 0); 660227825Stheravenpublic: 661227825Stheraven static const bool value = sizeof(__test<_Tp>(0)) == 1; 662227825Stheraven}; 663227825Stheraven 664227825Stheraventemplate <class _Ptr, bool = __has_element_type<_Ptr>::value> 665227825Stheravenstruct __pointer_traits_element_type; 666227825Stheraven 667227825Stheraventemplate <class _Ptr> 668227825Stheravenstruct __pointer_traits_element_type<_Ptr, true> 669227825Stheraven{ 670227825Stheraven typedef typename _Ptr::element_type type; 671227825Stheraven}; 672227825Stheraven 673227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 674227825Stheraven 675227825Stheraventemplate <template <class, class...> class _Sp, class _Tp, class ..._Args> 676227825Stheravenstruct __pointer_traits_element_type<_Sp<_Tp, _Args...>, true> 677227825Stheraven{ 678227825Stheraven typedef typename _Sp<_Tp, _Args...>::element_type type; 679227825Stheraven}; 680227825Stheraven 681227825Stheraventemplate <template <class, class...> class _Sp, class _Tp, class ..._Args> 682227825Stheravenstruct __pointer_traits_element_type<_Sp<_Tp, _Args...>, false> 683227825Stheraven{ 684227825Stheraven typedef _Tp type; 685227825Stheraven}; 686227825Stheraven 687227825Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 688227825Stheraven 689227825Stheraventemplate <template <class> class _Sp, class _Tp> 690227825Stheravenstruct __pointer_traits_element_type<_Sp<_Tp>, true> 691227825Stheraven{ 692227825Stheraven typedef typename _Sp<_Tp>::element_type type; 693227825Stheraven}; 694227825Stheraven 695227825Stheraventemplate <template <class> class _Sp, class _Tp> 696227825Stheravenstruct __pointer_traits_element_type<_Sp<_Tp>, false> 697227825Stheraven{ 698227825Stheraven typedef _Tp type; 699227825Stheraven}; 700227825Stheraven 701227825Stheraventemplate <template <class, class> class _Sp, class _Tp, class _A0> 702227825Stheravenstruct __pointer_traits_element_type<_Sp<_Tp, _A0>, true> 703227825Stheraven{ 704227825Stheraven typedef typename _Sp<_Tp, _A0>::element_type type; 705227825Stheraven}; 706227825Stheraven 707227825Stheraventemplate <template <class, class> class _Sp, class _Tp, class _A0> 708227825Stheravenstruct __pointer_traits_element_type<_Sp<_Tp, _A0>, false> 709227825Stheraven{ 710227825Stheraven typedef _Tp type; 711227825Stheraven}; 712227825Stheraven 713227825Stheraventemplate <template <class, class, class> class _Sp, class _Tp, class _A0, class _A1> 714227825Stheravenstruct __pointer_traits_element_type<_Sp<_Tp, _A0, _A1>, true> 715227825Stheraven{ 716227825Stheraven typedef typename _Sp<_Tp, _A0, _A1>::element_type type; 717227825Stheraven}; 718227825Stheraven 719227825Stheraventemplate <template <class, class, class> class _Sp, class _Tp, class _A0, class _A1> 720227825Stheravenstruct __pointer_traits_element_type<_Sp<_Tp, _A0, _A1>, false> 721227825Stheraven{ 722227825Stheraven typedef _Tp type; 723227825Stheraven}; 724227825Stheraven 725227825Stheraventemplate <template <class, class, class, class> class _Sp, class _Tp, class _A0, 726227825Stheraven class _A1, class _A2> 727227825Stheravenstruct __pointer_traits_element_type<_Sp<_Tp, _A0, _A1, _A2>, true> 728227825Stheraven{ 729227825Stheraven typedef typename _Sp<_Tp, _A0, _A1, _A2>::element_type type; 730227825Stheraven}; 731227825Stheraven 732227825Stheraventemplate <template <class, class, class, class> class _Sp, class _Tp, class _A0, 733227825Stheraven class _A1, class _A2> 734227825Stheravenstruct __pointer_traits_element_type<_Sp<_Tp, _A0, _A1, _A2>, false> 735227825Stheraven{ 736227825Stheraven typedef _Tp type; 737227825Stheraven}; 738227825Stheraven 739227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 740227825Stheraven 741227825Stheraventemplate <class _Tp> 742227825Stheravenstruct __has_difference_type 743227825Stheraven{ 744227825Stheravenprivate: 745242945Stheraven struct __two {char __lx; char __lxx;}; 746227825Stheraven template <class _Up> static __two __test(...); 747227825Stheraven template <class _Up> static char __test(typename _Up::difference_type* = 0); 748227825Stheravenpublic: 749227825Stheraven static const bool value = sizeof(__test<_Tp>(0)) == 1; 750227825Stheraven}; 751227825Stheraven 752227825Stheraventemplate <class _Ptr, bool = __has_difference_type<_Ptr>::value> 753227825Stheravenstruct __pointer_traits_difference_type 754227825Stheraven{ 755227825Stheraven typedef ptrdiff_t type; 756227825Stheraven}; 757227825Stheraven 758227825Stheraventemplate <class _Ptr> 759227825Stheravenstruct __pointer_traits_difference_type<_Ptr, true> 760227825Stheraven{ 761227825Stheraven typedef typename _Ptr::difference_type type; 762227825Stheraven}; 763227825Stheraven 764227825Stheraventemplate <class _Tp, class _Up> 765227825Stheravenstruct __has_rebind 766227825Stheraven{ 767227825Stheravenprivate: 768242945Stheraven struct __two {char __lx; char __lxx;}; 769227825Stheraven template <class _Xp> static __two __test(...); 770227825Stheraven template <class _Xp> static char __test(typename _Xp::template rebind<_Up>* = 0); 771227825Stheravenpublic: 772227825Stheraven static const bool value = sizeof(__test<_Tp>(0)) == 1; 773227825Stheraven}; 774227825Stheraven 775227825Stheraventemplate <class _Tp, class _Up, bool = __has_rebind<_Tp, _Up>::value> 776227825Stheravenstruct __pointer_traits_rebind 777227825Stheraven{ 778227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 779227825Stheraven typedef typename _Tp::template rebind<_Up> type; 780227825Stheraven#else 781227825Stheraven typedef typename _Tp::template rebind<_Up>::other type; 782227825Stheraven#endif 783227825Stheraven}; 784227825Stheraven 785227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 786227825Stheraven 787227825Stheraventemplate <template <class, class...> class _Sp, class _Tp, class ..._Args, class _Up> 788227825Stheravenstruct __pointer_traits_rebind<_Sp<_Tp, _Args...>, _Up, true> 789227825Stheraven{ 790227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 791227825Stheraven typedef typename _Sp<_Tp, _Args...>::template rebind<_Up> type; 792227825Stheraven#else 793227825Stheraven typedef typename _Sp<_Tp, _Args...>::template rebind<_Up>::other type; 794227825Stheraven#endif 795227825Stheraven}; 796227825Stheraven 797227825Stheraventemplate <template <class, class...> class _Sp, class _Tp, class ..._Args, class _Up> 798227825Stheravenstruct __pointer_traits_rebind<_Sp<_Tp, _Args...>, _Up, false> 799227825Stheraven{ 800227825Stheraven typedef _Sp<_Up, _Args...> type; 801227825Stheraven}; 802227825Stheraven 803227825Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 804227825Stheraven 805227825Stheraventemplate <template <class> class _Sp, class _Tp, class _Up> 806227825Stheravenstruct __pointer_traits_rebind<_Sp<_Tp>, _Up, true> 807227825Stheraven{ 808227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 809227825Stheraven typedef typename _Sp<_Tp>::template rebind<_Up> type; 810227825Stheraven#else 811227825Stheraven typedef typename _Sp<_Tp>::template rebind<_Up>::other type; 812227825Stheraven#endif 813227825Stheraven}; 814227825Stheraven 815227825Stheraventemplate <template <class> class _Sp, class _Tp, class _Up> 816227825Stheravenstruct __pointer_traits_rebind<_Sp<_Tp>, _Up, false> 817227825Stheraven{ 818227825Stheraven typedef _Sp<_Up> type; 819227825Stheraven}; 820227825Stheraven 821227825Stheraventemplate <template <class, class> class _Sp, class _Tp, class _A0, class _Up> 822227825Stheravenstruct __pointer_traits_rebind<_Sp<_Tp, _A0>, _Up, true> 823227825Stheraven{ 824227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 825227825Stheraven typedef typename _Sp<_Tp, _A0>::template rebind<_Up> type; 826227825Stheraven#else 827227825Stheraven typedef typename _Sp<_Tp, _A0>::template rebind<_Up>::other type; 828227825Stheraven#endif 829227825Stheraven}; 830227825Stheraven 831227825Stheraventemplate <template <class, class> class _Sp, class _Tp, class _A0, class _Up> 832227825Stheravenstruct __pointer_traits_rebind<_Sp<_Tp, _A0>, _Up, false> 833227825Stheraven{ 834227825Stheraven typedef _Sp<_Up, _A0> type; 835227825Stheraven}; 836227825Stheraven 837227825Stheraventemplate <template <class, class, class> class _Sp, class _Tp, class _A0, 838227825Stheraven class _A1, class _Up> 839227825Stheravenstruct __pointer_traits_rebind<_Sp<_Tp, _A0, _A1>, _Up, true> 840227825Stheraven{ 841227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 842227825Stheraven typedef typename _Sp<_Tp, _A0, _A1>::template rebind<_Up> type; 843227825Stheraven#else 844227825Stheraven typedef typename _Sp<_Tp, _A0, _A1>::template rebind<_Up>::other type; 845227825Stheraven#endif 846227825Stheraven}; 847227825Stheraven 848227825Stheraventemplate <template <class, class, class> class _Sp, class _Tp, class _A0, 849227825Stheraven class _A1, class _Up> 850227825Stheravenstruct __pointer_traits_rebind<_Sp<_Tp, _A0, _A1>, _Up, false> 851227825Stheraven{ 852227825Stheraven typedef _Sp<_Up, _A0, _A1> type; 853227825Stheraven}; 854227825Stheraven 855227825Stheraventemplate <template <class, class, class, class> class _Sp, class _Tp, class _A0, 856227825Stheraven class _A1, class _A2, class _Up> 857227825Stheravenstruct __pointer_traits_rebind<_Sp<_Tp, _A0, _A1, _A2>, _Up, true> 858227825Stheraven{ 859227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 860227825Stheraven typedef typename _Sp<_Tp, _A0, _A1, _A2>::template rebind<_Up> type; 861227825Stheraven#else 862227825Stheraven typedef typename _Sp<_Tp, _A0, _A1, _A2>::template rebind<_Up>::other type; 863227825Stheraven#endif 864227825Stheraven}; 865227825Stheraven 866227825Stheraventemplate <template <class, class, class, class> class _Sp, class _Tp, class _A0, 867227825Stheraven class _A1, class _A2, class _Up> 868227825Stheravenstruct __pointer_traits_rebind<_Sp<_Tp, _A0, _A1, _A2>, _Up, false> 869227825Stheraven{ 870227825Stheraven typedef _Sp<_Up, _A0, _A1, _A2> type; 871227825Stheraven}; 872227825Stheraven 873227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 874227825Stheraven 875227825Stheraventemplate <class _Ptr> 876262801Sdimstruct _LIBCPP_TYPE_VIS_ONLY pointer_traits 877227825Stheraven{ 878227825Stheraven typedef _Ptr pointer; 879227825Stheraven typedef typename __pointer_traits_element_type<pointer>::type element_type; 880227825Stheraven typedef typename __pointer_traits_difference_type<pointer>::type difference_type; 881227825Stheraven 882227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 883227825Stheraven template <class _Up> using rebind = typename __pointer_traits_rebind<pointer, _Up>::type; 884227825Stheraven#else 885227825Stheraven template <class _Up> struct rebind 886227825Stheraven {typedef typename __pointer_traits_rebind<pointer, _Up>::type other;}; 887227825Stheraven#endif // _LIBCPP_HAS_NO_TEMPLATE_ALIASES 888227825Stheraven 889227825Stheravenprivate: 890227825Stheraven struct __nat {}; 891227825Stheravenpublic: 892227825Stheraven _LIBCPP_INLINE_VISIBILITY 893227825Stheraven static pointer pointer_to(typename conditional<is_void<element_type>::value, 894227825Stheraven __nat, element_type>::type& __r) 895227825Stheraven {return pointer::pointer_to(__r);} 896227825Stheraven}; 897227825Stheraven 898227825Stheraventemplate <class _Tp> 899262801Sdimstruct _LIBCPP_TYPE_VIS_ONLY pointer_traits<_Tp*> 900227825Stheraven{ 901227825Stheraven typedef _Tp* pointer; 902227825Stheraven typedef _Tp element_type; 903227825Stheraven typedef ptrdiff_t difference_type; 904227825Stheraven 905227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 906227825Stheraven template <class _Up> using rebind = _Up*; 907227825Stheraven#else 908227825Stheraven template <class _Up> struct rebind {typedef _Up* other;}; 909227825Stheraven#endif 910227825Stheraven 911227825Stheravenprivate: 912227825Stheraven struct __nat {}; 913227825Stheravenpublic: 914227825Stheraven _LIBCPP_INLINE_VISIBILITY 915227825Stheraven static pointer pointer_to(typename conditional<is_void<element_type>::value, 916227825Stheraven __nat, element_type>::type& __r) _NOEXCEPT 917227825Stheraven {return _VSTD::addressof(__r);} 918227825Stheraven}; 919227825Stheraven 920227825Stheraven// allocator_traits 921227825Stheraven 922227825Stheravennamespace __has_pointer_type_imp 923227825Stheraven{ 924256082Sdecke template <class _Up> static __two __test(...); 925256082Sdecke template <class _Up> static char __test(typename _Up::pointer* = 0); 926227825Stheraven} 927227825Stheraven 928227825Stheraventemplate <class _Tp> 929227825Stheravenstruct __has_pointer_type 930256082Sdecke : public integral_constant<bool, sizeof(__has_pointer_type_imp::__test<_Tp>(0)) == 1> 931227825Stheraven{ 932227825Stheraven}; 933227825Stheraven 934227825Stheravennamespace __pointer_type_imp 935227825Stheraven{ 936227825Stheraven 937227825Stheraventemplate <class _Tp, class _Dp, bool = __has_pointer_type<_Dp>::value> 938227825Stheravenstruct __pointer_type 939227825Stheraven{ 940227825Stheraven typedef typename _Dp::pointer type; 941227825Stheraven}; 942227825Stheraven 943227825Stheraventemplate <class _Tp, class _Dp> 944227825Stheravenstruct __pointer_type<_Tp, _Dp, false> 945227825Stheraven{ 946227825Stheraven typedef _Tp* type; 947227825Stheraven}; 948227825Stheraven 949227825Stheraven} // __pointer_type_imp 950227825Stheraven 951227825Stheraventemplate <class _Tp, class _Dp> 952227825Stheravenstruct __pointer_type 953227825Stheraven{ 954227825Stheraven typedef typename __pointer_type_imp::__pointer_type<_Tp, typename remove_reference<_Dp>::type>::type type; 955227825Stheraven}; 956227825Stheraven 957227825Stheraventemplate <class _Tp> 958227825Stheravenstruct __has_const_pointer 959227825Stheraven{ 960227825Stheravenprivate: 961242945Stheraven struct __two {char __lx; char __lxx;}; 962227825Stheraven template <class _Up> static __two __test(...); 963227825Stheraven template <class _Up> static char __test(typename _Up::const_pointer* = 0); 964227825Stheravenpublic: 965227825Stheraven static const bool value = sizeof(__test<_Tp>(0)) == 1; 966227825Stheraven}; 967227825Stheraven 968227825Stheraventemplate <class _Tp, class _Ptr, class _Alloc, bool = __has_const_pointer<_Alloc>::value> 969227825Stheravenstruct __const_pointer 970227825Stheraven{ 971227825Stheraven typedef typename _Alloc::const_pointer type; 972227825Stheraven}; 973227825Stheraven 974227825Stheraventemplate <class _Tp, class _Ptr, class _Alloc> 975227825Stheravenstruct __const_pointer<_Tp, _Ptr, _Alloc, false> 976227825Stheraven{ 977227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 978227825Stheraven typedef typename pointer_traits<_Ptr>::template rebind<const _Tp> type; 979227825Stheraven#else 980227825Stheraven typedef typename pointer_traits<_Ptr>::template rebind<const _Tp>::other type; 981227825Stheraven#endif 982227825Stheraven}; 983227825Stheraven 984227825Stheraventemplate <class _Tp> 985227825Stheravenstruct __has_void_pointer 986227825Stheraven{ 987227825Stheravenprivate: 988242945Stheraven struct __two {char __lx; char __lxx;}; 989227825Stheraven template <class _Up> static __two __test(...); 990227825Stheraven template <class _Up> static char __test(typename _Up::void_pointer* = 0); 991227825Stheravenpublic: 992227825Stheraven static const bool value = sizeof(__test<_Tp>(0)) == 1; 993227825Stheraven}; 994227825Stheraven 995227825Stheraventemplate <class _Ptr, class _Alloc, bool = __has_void_pointer<_Alloc>::value> 996227825Stheravenstruct __void_pointer 997227825Stheraven{ 998227825Stheraven typedef typename _Alloc::void_pointer type; 999227825Stheraven}; 1000227825Stheraven 1001227825Stheraventemplate <class _Ptr, class _Alloc> 1002227825Stheravenstruct __void_pointer<_Ptr, _Alloc, false> 1003227825Stheraven{ 1004227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 1005227825Stheraven typedef typename pointer_traits<_Ptr>::template rebind<void> type; 1006227825Stheraven#else 1007227825Stheraven typedef typename pointer_traits<_Ptr>::template rebind<void>::other type; 1008227825Stheraven#endif 1009227825Stheraven}; 1010227825Stheraven 1011227825Stheraventemplate <class _Tp> 1012227825Stheravenstruct __has_const_void_pointer 1013227825Stheraven{ 1014227825Stheravenprivate: 1015242945Stheraven struct __two {char __lx; char __lxx;}; 1016227825Stheraven template <class _Up> static __two __test(...); 1017227825Stheraven template <class _Up> static char __test(typename _Up::const_void_pointer* = 0); 1018227825Stheravenpublic: 1019227825Stheraven static const bool value = sizeof(__test<_Tp>(0)) == 1; 1020227825Stheraven}; 1021227825Stheraven 1022227825Stheraventemplate <class _Ptr, class _Alloc, bool = __has_const_void_pointer<_Alloc>::value> 1023227825Stheravenstruct __const_void_pointer 1024227825Stheraven{ 1025227825Stheraven typedef typename _Alloc::const_void_pointer type; 1026227825Stheraven}; 1027227825Stheraven 1028227825Stheraventemplate <class _Ptr, class _Alloc> 1029227825Stheravenstruct __const_void_pointer<_Ptr, _Alloc, false> 1030227825Stheraven{ 1031227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 1032227825Stheraven typedef typename pointer_traits<_Ptr>::template rebind<const void> type; 1033227825Stheraven#else 1034227825Stheraven typedef typename pointer_traits<_Ptr>::template rebind<const void>::other type; 1035227825Stheraven#endif 1036227825Stheraven}; 1037227825Stheraven 1038232950Stheraventemplate <class _Tp> 1039227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1040232950Stheraven_Tp* 1041232950Stheraven__to_raw_pointer(_Tp* __p) _NOEXCEPT 1042227825Stheraven{ 1043227825Stheraven return __p; 1044227825Stheraven} 1045227825Stheraven 1046227825Stheraventemplate <class _Pointer> 1047227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1048227825Stheraventypename pointer_traits<_Pointer>::element_type* 1049227825Stheraven__to_raw_pointer(_Pointer __p) _NOEXCEPT 1050227825Stheraven{ 1051227825Stheraven return _VSTD::__to_raw_pointer(__p.operator->()); 1052227825Stheraven} 1053227825Stheraven 1054227825Stheraventemplate <class _Tp> 1055227825Stheravenstruct __has_size_type 1056227825Stheraven{ 1057227825Stheravenprivate: 1058242945Stheraven struct __two {char __lx; char __lxx;}; 1059227825Stheraven template <class _Up> static __two __test(...); 1060227825Stheraven template <class _Up> static char __test(typename _Up::size_type* = 0); 1061227825Stheravenpublic: 1062227825Stheraven static const bool value = sizeof(__test<_Tp>(0)) == 1; 1063227825Stheraven}; 1064227825Stheraven 1065227825Stheraventemplate <class _Alloc, class _DiffType, bool = __has_size_type<_Alloc>::value> 1066227825Stheravenstruct __size_type 1067227825Stheraven{ 1068227825Stheraven typedef typename make_unsigned<_DiffType>::type type; 1069227825Stheraven}; 1070227825Stheraven 1071227825Stheraventemplate <class _Alloc, class _DiffType> 1072227825Stheravenstruct __size_type<_Alloc, _DiffType, true> 1073227825Stheraven{ 1074227825Stheraven typedef typename _Alloc::size_type type; 1075227825Stheraven}; 1076227825Stheraven 1077227825Stheraventemplate <class _Tp> 1078227825Stheravenstruct __has_propagate_on_container_copy_assignment 1079227825Stheraven{ 1080227825Stheravenprivate: 1081242945Stheraven struct __two {char __lx; char __lxx;}; 1082227825Stheraven template <class _Up> static __two __test(...); 1083227825Stheraven template <class _Up> static char __test(typename _Up::propagate_on_container_copy_assignment* = 0); 1084227825Stheravenpublic: 1085227825Stheraven static const bool value = sizeof(__test<_Tp>(0)) == 1; 1086227825Stheraven}; 1087227825Stheraven 1088227825Stheraventemplate <class _Alloc, bool = __has_propagate_on_container_copy_assignment<_Alloc>::value> 1089227825Stheravenstruct __propagate_on_container_copy_assignment 1090227825Stheraven{ 1091227825Stheraven typedef false_type type; 1092227825Stheraven}; 1093227825Stheraven 1094227825Stheraventemplate <class _Alloc> 1095227825Stheravenstruct __propagate_on_container_copy_assignment<_Alloc, true> 1096227825Stheraven{ 1097227825Stheraven typedef typename _Alloc::propagate_on_container_copy_assignment type; 1098227825Stheraven}; 1099227825Stheraven 1100227825Stheraventemplate <class _Tp> 1101227825Stheravenstruct __has_propagate_on_container_move_assignment 1102227825Stheraven{ 1103227825Stheravenprivate: 1104242945Stheraven struct __two {char __lx; char __lxx;}; 1105227825Stheraven template <class _Up> static __two __test(...); 1106227825Stheraven template <class _Up> static char __test(typename _Up::propagate_on_container_move_assignment* = 0); 1107227825Stheravenpublic: 1108227825Stheraven static const bool value = sizeof(__test<_Tp>(0)) == 1; 1109227825Stheraven}; 1110227825Stheraven 1111227825Stheraventemplate <class _Alloc, bool = __has_propagate_on_container_move_assignment<_Alloc>::value> 1112227825Stheravenstruct __propagate_on_container_move_assignment 1113227825Stheraven{ 1114227825Stheraven typedef false_type type; 1115227825Stheraven}; 1116227825Stheraven 1117227825Stheraventemplate <class _Alloc> 1118227825Stheravenstruct __propagate_on_container_move_assignment<_Alloc, true> 1119227825Stheraven{ 1120227825Stheraven typedef typename _Alloc::propagate_on_container_move_assignment type; 1121227825Stheraven}; 1122227825Stheraven 1123227825Stheraventemplate <class _Tp> 1124227825Stheravenstruct __has_propagate_on_container_swap 1125227825Stheraven{ 1126227825Stheravenprivate: 1127242945Stheraven struct __two {char __lx; char __lxx;}; 1128227825Stheraven template <class _Up> static __two __test(...); 1129227825Stheraven template <class _Up> static char __test(typename _Up::propagate_on_container_swap* = 0); 1130227825Stheravenpublic: 1131227825Stheraven static const bool value = sizeof(__test<_Tp>(0)) == 1; 1132227825Stheraven}; 1133227825Stheraven 1134227825Stheraventemplate <class _Alloc, bool = __has_propagate_on_container_swap<_Alloc>::value> 1135227825Stheravenstruct __propagate_on_container_swap 1136227825Stheraven{ 1137227825Stheraven typedef false_type type; 1138227825Stheraven}; 1139227825Stheraven 1140227825Stheraventemplate <class _Alloc> 1141227825Stheravenstruct __propagate_on_container_swap<_Alloc, true> 1142227825Stheraven{ 1143227825Stheraven typedef typename _Alloc::propagate_on_container_swap type; 1144227825Stheraven}; 1145227825Stheraven 1146227825Stheraventemplate <class _Tp, class _Up, bool = __has_rebind<_Tp, _Up>::value> 1147227825Stheravenstruct __has_rebind_other 1148227825Stheraven{ 1149227825Stheravenprivate: 1150242945Stheraven struct __two {char __lx; char __lxx;}; 1151227825Stheraven template <class _Xp> static __two __test(...); 1152227825Stheraven template <class _Xp> static char __test(typename _Xp::template rebind<_Up>::other* = 0); 1153227825Stheravenpublic: 1154227825Stheraven static const bool value = sizeof(__test<_Tp>(0)) == 1; 1155227825Stheraven}; 1156227825Stheraven 1157227825Stheraventemplate <class _Tp, class _Up> 1158227825Stheravenstruct __has_rebind_other<_Tp, _Up, false> 1159227825Stheraven{ 1160227825Stheraven static const bool value = false; 1161227825Stheraven}; 1162227825Stheraven 1163227825Stheraventemplate <class _Tp, class _Up, bool = __has_rebind_other<_Tp, _Up>::value> 1164227825Stheravenstruct __allocator_traits_rebind 1165227825Stheraven{ 1166227825Stheraven typedef typename _Tp::template rebind<_Up>::other type; 1167227825Stheraven}; 1168227825Stheraven 1169227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 1170227825Stheraven 1171227825Stheraventemplate <template <class, class...> class _Alloc, class _Tp, class ..._Args, class _Up> 1172227825Stheravenstruct __allocator_traits_rebind<_Alloc<_Tp, _Args...>, _Up, true> 1173227825Stheraven{ 1174227825Stheraven typedef typename _Alloc<_Tp, _Args...>::template rebind<_Up>::other type; 1175227825Stheraven}; 1176227825Stheraven 1177227825Stheraventemplate <template <class, class...> class _Alloc, class _Tp, class ..._Args, class _Up> 1178227825Stheravenstruct __allocator_traits_rebind<_Alloc<_Tp, _Args...>, _Up, false> 1179227825Stheraven{ 1180227825Stheraven typedef _Alloc<_Up, _Args...> type; 1181227825Stheraven}; 1182227825Stheraven 1183227825Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 1184227825Stheraven 1185227825Stheraventemplate <template <class> class _Alloc, class _Tp, class _Up> 1186227825Stheravenstruct __allocator_traits_rebind<_Alloc<_Tp>, _Up, true> 1187227825Stheraven{ 1188227825Stheraven typedef typename _Alloc<_Tp>::template rebind<_Up>::other type; 1189227825Stheraven}; 1190227825Stheraven 1191227825Stheraventemplate <template <class> class _Alloc, class _Tp, class _Up> 1192227825Stheravenstruct __allocator_traits_rebind<_Alloc<_Tp>, _Up, false> 1193227825Stheraven{ 1194227825Stheraven typedef _Alloc<_Up> type; 1195227825Stheraven}; 1196227825Stheraven 1197227825Stheraventemplate <template <class, class> class _Alloc, class _Tp, class _A0, class _Up> 1198227825Stheravenstruct __allocator_traits_rebind<_Alloc<_Tp, _A0>, _Up, true> 1199227825Stheraven{ 1200227825Stheraven typedef typename _Alloc<_Tp, _A0>::template rebind<_Up>::other type; 1201227825Stheraven}; 1202227825Stheraven 1203227825Stheraventemplate <template <class, class> class _Alloc, class _Tp, class _A0, class _Up> 1204227825Stheravenstruct __allocator_traits_rebind<_Alloc<_Tp, _A0>, _Up, false> 1205227825Stheraven{ 1206227825Stheraven typedef _Alloc<_Up, _A0> type; 1207227825Stheraven}; 1208227825Stheraven 1209227825Stheraventemplate <template <class, class, class> class _Alloc, class _Tp, class _A0, 1210227825Stheraven class _A1, class _Up> 1211227825Stheravenstruct __allocator_traits_rebind<_Alloc<_Tp, _A0, _A1>, _Up, true> 1212227825Stheraven{ 1213227825Stheraven typedef typename _Alloc<_Tp, _A0, _A1>::template rebind<_Up>::other type; 1214227825Stheraven}; 1215227825Stheraven 1216227825Stheraventemplate <template <class, class, class> class _Alloc, class _Tp, class _A0, 1217227825Stheraven class _A1, class _Up> 1218227825Stheravenstruct __allocator_traits_rebind<_Alloc<_Tp, _A0, _A1>, _Up, false> 1219227825Stheraven{ 1220227825Stheraven typedef _Alloc<_Up, _A0, _A1> type; 1221227825Stheraven}; 1222227825Stheraven 1223227825Stheraventemplate <template <class, class, class, class> class _Alloc, class _Tp, class _A0, 1224227825Stheraven class _A1, class _A2, class _Up> 1225227825Stheravenstruct __allocator_traits_rebind<_Alloc<_Tp, _A0, _A1, _A2>, _Up, true> 1226227825Stheraven{ 1227227825Stheraven typedef typename _Alloc<_Tp, _A0, _A1, _A2>::template rebind<_Up>::other type; 1228227825Stheraven}; 1229227825Stheraven 1230227825Stheraventemplate <template <class, class, class, class> class _Alloc, class _Tp, class _A0, 1231227825Stheraven class _A1, class _A2, class _Up> 1232227825Stheravenstruct __allocator_traits_rebind<_Alloc<_Tp, _A0, _A1, _A2>, _Up, false> 1233227825Stheraven{ 1234227825Stheraven typedef _Alloc<_Up, _A0, _A1, _A2> type; 1235227825Stheraven}; 1236227825Stheraven 1237227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 1238227825Stheraven 1239227825Stheraven#ifndef _LIBCPP_HAS_NO_ADVANCED_SFINAE 1240227825Stheraven 1241227825Stheraventemplate <class _Alloc, class _SizeType, class _ConstVoidPtr> 1242227825Stheravenauto 1243227825Stheraven__has_allocate_hint_test(_Alloc&& __a, _SizeType&& __sz, _ConstVoidPtr&& __p) 1244227825Stheraven -> decltype(__a.allocate(__sz, __p), true_type()); 1245227825Stheraven 1246227825Stheraventemplate <class _Alloc, class _SizeType, class _ConstVoidPtr> 1247227825Stheravenauto 1248227825Stheraven__has_allocate_hint_test(const _Alloc& __a, _SizeType&& __sz, _ConstVoidPtr&& __p) 1249227825Stheraven -> false_type; 1250227825Stheraven 1251227825Stheraventemplate <class _Alloc, class _SizeType, class _ConstVoidPtr> 1252227825Stheravenstruct __has_allocate_hint 1253227825Stheraven : integral_constant<bool, 1254227825Stheraven is_same< 1255227825Stheraven decltype(__has_allocate_hint_test(declval<_Alloc>(), 1256227825Stheraven declval<_SizeType>(), 1257227825Stheraven declval<_ConstVoidPtr>())), 1258227825Stheraven true_type>::value> 1259227825Stheraven{ 1260227825Stheraven}; 1261227825Stheraven 1262227825Stheraven#else // _LIBCPP_HAS_NO_ADVANCED_SFINAE 1263227825Stheraven 1264227825Stheraventemplate <class _Alloc, class _SizeType, class _ConstVoidPtr> 1265227825Stheravenstruct __has_allocate_hint 1266227825Stheraven : true_type 1267227825Stheraven{ 1268227825Stheraven}; 1269227825Stheraven 1270227825Stheraven#endif // _LIBCPP_HAS_NO_ADVANCED_SFINAE 1271227825Stheraven 1272227825Stheraven#if !defined(_LIBCPP_HAS_NO_ADVANCED_SFINAE) && !defined(_LIBCPP_HAS_NO_VARIADICS) 1273227825Stheraven 1274227825Stheraventemplate <class _Alloc, class _Tp, class ..._Args> 1275227825Stheravendecltype(_VSTD::declval<_Alloc>().construct(_VSTD::declval<_Tp*>(), 1276227825Stheraven _VSTD::declval<_Args>()...), 1277227825Stheraven true_type()) 1278227825Stheraven__has_construct_test(_Alloc&& __a, _Tp* __p, _Args&& ...__args); 1279227825Stheraven 1280227825Stheraventemplate <class _Alloc, class _Pointer, class ..._Args> 1281227825Stheravenfalse_type 1282227825Stheraven__has_construct_test(const _Alloc& __a, _Pointer&& __p, _Args&& ...__args); 1283227825Stheraven 1284227825Stheraventemplate <class _Alloc, class _Pointer, class ..._Args> 1285227825Stheravenstruct __has_construct 1286227825Stheraven : integral_constant<bool, 1287227825Stheraven is_same< 1288227825Stheraven decltype(__has_construct_test(declval<_Alloc>(), 1289227825Stheraven declval<_Pointer>(), 1290227825Stheraven declval<_Args>()...)), 1291227825Stheraven true_type>::value> 1292227825Stheraven{ 1293227825Stheraven}; 1294227825Stheraven 1295227825Stheraventemplate <class _Alloc, class _Pointer> 1296227825Stheravenauto 1297227825Stheraven__has_destroy_test(_Alloc&& __a, _Pointer&& __p) 1298227825Stheraven -> decltype(__a.destroy(__p), true_type()); 1299227825Stheraven 1300227825Stheraventemplate <class _Alloc, class _Pointer> 1301227825Stheravenauto 1302227825Stheraven__has_destroy_test(const _Alloc& __a, _Pointer&& __p) 1303227825Stheraven -> false_type; 1304227825Stheraven 1305227825Stheraventemplate <class _Alloc, class _Pointer> 1306227825Stheravenstruct __has_destroy 1307227825Stheraven : integral_constant<bool, 1308227825Stheraven is_same< 1309227825Stheraven decltype(__has_destroy_test(declval<_Alloc>(), 1310227825Stheraven declval<_Pointer>())), 1311227825Stheraven true_type>::value> 1312227825Stheraven{ 1313227825Stheraven}; 1314227825Stheraven 1315227825Stheraventemplate <class _Alloc> 1316227825Stheravenauto 1317227825Stheraven__has_max_size_test(_Alloc&& __a) 1318227825Stheraven -> decltype(__a.max_size(), true_type()); 1319227825Stheraven 1320227825Stheraventemplate <class _Alloc> 1321227825Stheravenauto 1322227825Stheraven__has_max_size_test(const volatile _Alloc& __a) 1323227825Stheraven -> false_type; 1324227825Stheraven 1325227825Stheraventemplate <class _Alloc> 1326227825Stheravenstruct __has_max_size 1327227825Stheraven : integral_constant<bool, 1328227825Stheraven is_same< 1329227825Stheraven decltype(__has_max_size_test(declval<_Alloc&>())), 1330227825Stheraven true_type>::value> 1331227825Stheraven{ 1332227825Stheraven}; 1333227825Stheraven 1334227825Stheraventemplate <class _Alloc> 1335227825Stheravenauto 1336227825Stheraven__has_select_on_container_copy_construction_test(_Alloc&& __a) 1337227825Stheraven -> decltype(__a.select_on_container_copy_construction(), true_type()); 1338227825Stheraven 1339227825Stheraventemplate <class _Alloc> 1340227825Stheravenauto 1341227825Stheraven__has_select_on_container_copy_construction_test(const volatile _Alloc& __a) 1342227825Stheraven -> false_type; 1343227825Stheraven 1344227825Stheraventemplate <class _Alloc> 1345227825Stheravenstruct __has_select_on_container_copy_construction 1346227825Stheraven : integral_constant<bool, 1347227825Stheraven is_same< 1348227825Stheraven decltype(__has_select_on_container_copy_construction_test(declval<_Alloc&>())), 1349227825Stheraven true_type>::value> 1350227825Stheraven{ 1351227825Stheraven}; 1352227825Stheraven 1353227825Stheraven#else // _LIBCPP_HAS_NO_ADVANCED_SFINAE 1354227825Stheraven 1355227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 1356227825Stheraven 1357227825Stheraventemplate <class _Alloc, class _Pointer, class ..._Args> 1358227825Stheravenstruct __has_construct 1359227825Stheraven : false_type 1360227825Stheraven{ 1361227825Stheraven}; 1362227825Stheraven 1363232950Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 1364232950Stheraven 1365232950Stheraventemplate <class _Alloc, class _Pointer, class _Args> 1366232950Stheravenstruct __has_construct 1367232950Stheraven : false_type 1368232950Stheraven{ 1369232950Stheraven}; 1370232950Stheraven 1371227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 1372227825Stheraven 1373227825Stheraventemplate <class _Alloc, class _Pointer> 1374227825Stheravenstruct __has_destroy 1375227825Stheraven : false_type 1376227825Stheraven{ 1377227825Stheraven}; 1378227825Stheraven 1379227825Stheraventemplate <class _Alloc> 1380227825Stheravenstruct __has_max_size 1381227825Stheraven : true_type 1382227825Stheraven{ 1383227825Stheraven}; 1384227825Stheraven 1385227825Stheraventemplate <class _Alloc> 1386227825Stheravenstruct __has_select_on_container_copy_construction 1387227825Stheraven : false_type 1388227825Stheraven{ 1389227825Stheraven}; 1390227825Stheraven 1391227825Stheraven#endif // _LIBCPP_HAS_NO_ADVANCED_SFINAE 1392227825Stheraven 1393227825Stheraventemplate <class _Alloc, class _Ptr, bool = __has_difference_type<_Alloc>::value> 1394227825Stheravenstruct __alloc_traits_difference_type 1395227825Stheraven{ 1396227825Stheraven typedef typename pointer_traits<_Ptr>::difference_type type; 1397227825Stheraven}; 1398227825Stheraven 1399227825Stheraventemplate <class _Alloc, class _Ptr> 1400227825Stheravenstruct __alloc_traits_difference_type<_Alloc, _Ptr, true> 1401227825Stheraven{ 1402227825Stheraven typedef typename _Alloc::difference_type type; 1403227825Stheraven}; 1404227825Stheraven 1405227825Stheraventemplate <class _Alloc> 1406262801Sdimstruct _LIBCPP_TYPE_VIS_ONLY allocator_traits 1407227825Stheraven{ 1408227825Stheraven typedef _Alloc allocator_type; 1409227825Stheraven typedef typename allocator_type::value_type value_type; 1410227825Stheraven 1411227825Stheraven typedef typename __pointer_type<value_type, allocator_type>::type pointer; 1412227825Stheraven typedef typename __const_pointer<value_type, pointer, allocator_type>::type const_pointer; 1413227825Stheraven typedef typename __void_pointer<pointer, allocator_type>::type void_pointer; 1414227825Stheraven typedef typename __const_void_pointer<pointer, allocator_type>::type const_void_pointer; 1415227825Stheraven 1416227825Stheraven typedef typename __alloc_traits_difference_type<allocator_type, pointer>::type difference_type; 1417227825Stheraven typedef typename __size_type<allocator_type, difference_type>::type size_type; 1418227825Stheraven 1419227825Stheraven typedef typename __propagate_on_container_copy_assignment<allocator_type>::type 1420227825Stheraven propagate_on_container_copy_assignment; 1421227825Stheraven typedef typename __propagate_on_container_move_assignment<allocator_type>::type 1422227825Stheraven propagate_on_container_move_assignment; 1423227825Stheraven typedef typename __propagate_on_container_swap<allocator_type>::type 1424227825Stheraven propagate_on_container_swap; 1425227825Stheraven 1426227825Stheraven#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES 1427227825Stheraven template <class _Tp> using rebind_alloc = 1428227825Stheraven typename __allocator_traits_rebind<allocator_type, _Tp>::type; 1429227825Stheraven template <class _Tp> using rebind_traits = allocator_traits<rebind_alloc<_Tp>>; 1430227825Stheraven#else // _LIBCPP_HAS_NO_TEMPLATE_ALIASES 1431227825Stheraven template <class _Tp> struct rebind_alloc 1432227825Stheraven {typedef typename __allocator_traits_rebind<allocator_type, _Tp>::type other;}; 1433227825Stheraven template <class _Tp> struct rebind_traits 1434227825Stheraven {typedef allocator_traits<typename rebind_alloc<_Tp>::other> other;}; 1435227825Stheraven#endif // _LIBCPP_HAS_NO_TEMPLATE_ALIASES 1436227825Stheraven 1437227825Stheraven _LIBCPP_INLINE_VISIBILITY 1438227825Stheraven static pointer allocate(allocator_type& __a, size_type __n) 1439227825Stheraven {return __a.allocate(__n);} 1440227825Stheraven _LIBCPP_INLINE_VISIBILITY 1441227825Stheraven static pointer allocate(allocator_type& __a, size_type __n, const_void_pointer __hint) 1442227825Stheraven {return allocate(__a, __n, __hint, 1443227825Stheraven __has_allocate_hint<allocator_type, size_type, const_void_pointer>());} 1444227825Stheraven 1445227825Stheraven _LIBCPP_INLINE_VISIBILITY 1446227825Stheraven static void deallocate(allocator_type& __a, pointer __p, size_type __n) _NOEXCEPT 1447227825Stheraven {__a.deallocate(__p, __n);} 1448227825Stheraven 1449227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 1450227825Stheraven template <class _Tp, class... _Args> 1451227825Stheraven _LIBCPP_INLINE_VISIBILITY 1452227825Stheraven static void construct(allocator_type& __a, _Tp* __p, _Args&&... __args) 1453278724Sdim {__construct(__has_construct<allocator_type, _Tp*, _Args...>(), 1454227825Stheraven __a, __p, _VSTD::forward<_Args>(__args)...);} 1455227825Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 1456227825Stheraven template <class _Tp> 1457227825Stheraven _LIBCPP_INLINE_VISIBILITY 1458227825Stheraven static void construct(allocator_type& __a, _Tp* __p) 1459227825Stheraven { 1460227825Stheraven ::new ((void*)__p) _Tp(); 1461227825Stheraven } 1462227825Stheraven template <class _Tp, class _A0> 1463227825Stheraven _LIBCPP_INLINE_VISIBILITY 1464227825Stheraven static void construct(allocator_type& __a, _Tp* __p, const _A0& __a0) 1465227825Stheraven { 1466227825Stheraven ::new ((void*)__p) _Tp(__a0); 1467227825Stheraven } 1468227825Stheraven template <class _Tp, class _A0, class _A1> 1469227825Stheraven _LIBCPP_INLINE_VISIBILITY 1470227825Stheraven static void construct(allocator_type& __a, _Tp* __p, const _A0& __a0, 1471227825Stheraven const _A1& __a1) 1472227825Stheraven { 1473227825Stheraven ::new ((void*)__p) _Tp(__a0, __a1); 1474227825Stheraven } 1475227825Stheraven template <class _Tp, class _A0, class _A1, class _A2> 1476227825Stheraven _LIBCPP_INLINE_VISIBILITY 1477227825Stheraven static void construct(allocator_type& __a, _Tp* __p, const _A0& __a0, 1478227825Stheraven const _A1& __a1, const _A2& __a2) 1479227825Stheraven { 1480227825Stheraven ::new ((void*)__p) _Tp(__a0, __a1, __a2); 1481227825Stheraven } 1482227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 1483227825Stheraven 1484227825Stheraven template <class _Tp> 1485227825Stheraven _LIBCPP_INLINE_VISIBILITY 1486227825Stheraven static void destroy(allocator_type& __a, _Tp* __p) 1487227825Stheraven {__destroy(__has_destroy<allocator_type, _Tp*>(), __a, __p);} 1488227825Stheraven 1489227825Stheraven _LIBCPP_INLINE_VISIBILITY 1490262801Sdim static size_type max_size(const allocator_type& __a) _NOEXCEPT 1491227825Stheraven {return __max_size(__has_max_size<const allocator_type>(), __a);} 1492227825Stheraven 1493227825Stheraven _LIBCPP_INLINE_VISIBILITY 1494227825Stheraven static allocator_type 1495227825Stheraven select_on_container_copy_construction(const allocator_type& __a) 1496227825Stheraven {return select_on_container_copy_construction( 1497227825Stheraven __has_select_on_container_copy_construction<const allocator_type>(), 1498227825Stheraven __a);} 1499227825Stheraven 1500232950Stheraven template <class _Ptr> 1501232950Stheraven _LIBCPP_INLINE_VISIBILITY 1502232950Stheraven static 1503232950Stheraven void 1504232950Stheraven __construct_forward(allocator_type& __a, _Ptr __begin1, _Ptr __end1, _Ptr& __begin2) 1505232950Stheraven { 1506232950Stheraven for (; __begin1 != __end1; ++__begin1, ++__begin2) 1507232950Stheraven construct(__a, _VSTD::__to_raw_pointer(__begin2), _VSTD::move_if_noexcept(*__begin1)); 1508232950Stheraven } 1509232950Stheraven 1510232950Stheraven template <class _Tp> 1511232950Stheraven _LIBCPP_INLINE_VISIBILITY 1512232950Stheraven static 1513232950Stheraven typename enable_if 1514232950Stheraven < 1515232950Stheraven (is_same<allocator_type, allocator<_Tp> >::value 1516232950Stheraven || !__has_construct<allocator_type, _Tp*, _Tp>::value) && 1517232950Stheraven is_trivially_move_constructible<_Tp>::value, 1518232950Stheraven void 1519232950Stheraven >::type 1520232950Stheraven __construct_forward(allocator_type& __a, _Tp* __begin1, _Tp* __end1, _Tp*& __begin2) 1521232950Stheraven { 1522232950Stheraven ptrdiff_t _Np = __end1 - __begin1; 1523232950Stheraven _VSTD::memcpy(__begin2, __begin1, _Np * sizeof(_Tp)); 1524232950Stheraven __begin2 += _Np; 1525232950Stheraven } 1526232950Stheraven 1527232950Stheraven template <class _Ptr> 1528232950Stheraven _LIBCPP_INLINE_VISIBILITY 1529232950Stheraven static 1530232950Stheraven void 1531232950Stheraven __construct_backward(allocator_type& __a, _Ptr __begin1, _Ptr __end1, _Ptr& __end2) 1532232950Stheraven { 1533232950Stheraven while (__end1 != __begin1) 1534246487Stheraven { 1535246487Stheraven construct(__a, _VSTD::__to_raw_pointer(__end2-1), _VSTD::move_if_noexcept(*--__end1)); 1536246487Stheraven --__end2; 1537246487Stheraven } 1538232950Stheraven } 1539232950Stheraven 1540232950Stheraven template <class _Tp> 1541232950Stheraven _LIBCPP_INLINE_VISIBILITY 1542232950Stheraven static 1543232950Stheraven typename enable_if 1544232950Stheraven < 1545232950Stheraven (is_same<allocator_type, allocator<_Tp> >::value 1546232950Stheraven || !__has_construct<allocator_type, _Tp*, _Tp>::value) && 1547232950Stheraven is_trivially_move_constructible<_Tp>::value, 1548232950Stheraven void 1549232950Stheraven >::type 1550232950Stheraven __construct_backward(allocator_type& __a, _Tp* __begin1, _Tp* __end1, _Tp*& __end2) 1551232950Stheraven { 1552232950Stheraven ptrdiff_t _Np = __end1 - __begin1; 1553232950Stheraven __end2 -= _Np; 1554232950Stheraven _VSTD::memcpy(__end2, __begin1, _Np * sizeof(_Tp)); 1555232950Stheraven } 1556232950Stheraven 1557227825Stheravenprivate: 1558227825Stheraven 1559227825Stheraven _LIBCPP_INLINE_VISIBILITY 1560227825Stheraven static pointer allocate(allocator_type& __a, size_type __n, 1561227825Stheraven const_void_pointer __hint, true_type) 1562227825Stheraven {return __a.allocate(__n, __hint);} 1563227825Stheraven _LIBCPP_INLINE_VISIBILITY 1564227825Stheraven static pointer allocate(allocator_type& __a, size_type __n, 1565232950Stheraven const_void_pointer, false_type) 1566227825Stheraven {return __a.allocate(__n);} 1567227825Stheraven 1568227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 1569227825Stheraven template <class _Tp, class... _Args> 1570227825Stheraven _LIBCPP_INLINE_VISIBILITY 1571227825Stheraven static void __construct(true_type, allocator_type& __a, _Tp* __p, _Args&&... __args) 1572227825Stheraven {__a.construct(__p, _VSTD::forward<_Args>(__args)...);} 1573227825Stheraven template <class _Tp, class... _Args> 1574227825Stheraven _LIBCPP_INLINE_VISIBILITY 1575227825Stheraven static void __construct(false_type, allocator_type&, _Tp* __p, _Args&&... __args) 1576227825Stheraven { 1577227825Stheraven ::new ((void*)__p) _Tp(_VSTD::forward<_Args>(__args)...); 1578227825Stheraven } 1579227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 1580227825Stheraven 1581227825Stheraven template <class _Tp> 1582227825Stheraven _LIBCPP_INLINE_VISIBILITY 1583227825Stheraven static void __destroy(true_type, allocator_type& __a, _Tp* __p) 1584227825Stheraven {__a.destroy(__p);} 1585227825Stheraven template <class _Tp> 1586227825Stheraven _LIBCPP_INLINE_VISIBILITY 1587227825Stheraven static void __destroy(false_type, allocator_type&, _Tp* __p) 1588227825Stheraven { 1589227825Stheraven __p->~_Tp(); 1590227825Stheraven } 1591227825Stheraven 1592227825Stheraven _LIBCPP_INLINE_VISIBILITY 1593227825Stheraven static size_type __max_size(true_type, const allocator_type& __a) 1594227825Stheraven {return __a.max_size();} 1595227825Stheraven _LIBCPP_INLINE_VISIBILITY 1596227825Stheraven static size_type __max_size(false_type, const allocator_type&) 1597227825Stheraven {return numeric_limits<size_type>::max();} 1598227825Stheraven 1599227825Stheraven _LIBCPP_INLINE_VISIBILITY 1600227825Stheraven static allocator_type 1601227825Stheraven select_on_container_copy_construction(true_type, const allocator_type& __a) 1602227825Stheraven {return __a.select_on_container_copy_construction();} 1603227825Stheraven _LIBCPP_INLINE_VISIBILITY 1604227825Stheraven static allocator_type 1605227825Stheraven select_on_container_copy_construction(false_type, const allocator_type& __a) 1606227825Stheraven {return __a;} 1607227825Stheraven}; 1608227825Stheraven 1609232950Stheraven// allocator 1610227825Stheraven 1611227825Stheraventemplate <class _Tp> 1612262801Sdimclass _LIBCPP_TYPE_VIS_ONLY allocator 1613227825Stheraven{ 1614227825Stheravenpublic: 1615232950Stheraven typedef size_t size_type; 1616232950Stheraven typedef ptrdiff_t difference_type; 1617232950Stheraven typedef _Tp* pointer; 1618232950Stheraven typedef const _Tp* const_pointer; 1619232950Stheraven typedef _Tp& reference; 1620232950Stheraven typedef const _Tp& const_reference; 1621232950Stheraven typedef _Tp value_type; 1622227825Stheraven 1623232950Stheraven typedef true_type propagate_on_container_move_assignment; 1624227825Stheraven 1625232950Stheraven template <class _Up> struct rebind {typedef allocator<_Up> other;}; 1626227825Stheraven 1627232950Stheraven _LIBCPP_INLINE_VISIBILITY allocator() _NOEXCEPT {} 1628232950Stheraven template <class _Up> _LIBCPP_INLINE_VISIBILITY allocator(const allocator<_Up>&) _NOEXCEPT {} 1629232950Stheraven _LIBCPP_INLINE_VISIBILITY pointer address(reference __x) const _NOEXCEPT 1630232950Stheraven {return _VSTD::addressof(__x);} 1631232950Stheraven _LIBCPP_INLINE_VISIBILITY const_pointer address(const_reference __x) const _NOEXCEPT 1632232950Stheraven {return _VSTD::addressof(__x);} 1633232950Stheraven _LIBCPP_INLINE_VISIBILITY pointer allocate(size_type __n, allocator<void>::const_pointer = 0) 1634278724Sdim {return static_cast<pointer>(_VSTD::__allocate(__n * sizeof(_Tp)));} 1635232950Stheraven _LIBCPP_INLINE_VISIBILITY void deallocate(pointer __p, size_type) _NOEXCEPT 1636278724Sdim {_VSTD::__deallocate((void*)__p);} 1637232950Stheraven _LIBCPP_INLINE_VISIBILITY size_type max_size() const _NOEXCEPT 1638232950Stheraven {return size_type(~0) / sizeof(_Tp);} 1639232950Stheraven#if !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS) 1640232950Stheraven template <class _Up, class... _Args> 1641232950Stheraven _LIBCPP_INLINE_VISIBILITY 1642232950Stheraven void 1643232950Stheraven construct(_Up* __p, _Args&&... __args) 1644232950Stheraven { 1645232950Stheraven ::new((void*)__p) _Up(_VSTD::forward<_Args>(__args)...); 1646232950Stheraven } 1647232950Stheraven#else // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS) 1648232950Stheraven _LIBCPP_INLINE_VISIBILITY 1649232950Stheraven void 1650232950Stheraven construct(pointer __p) 1651232950Stheraven { 1652232950Stheraven ::new((void*)__p) _Tp(); 1653232950Stheraven } 1654232950Stheraven# if defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) 1655234976Stheraven 1656232950Stheraven template <class _A0> 1657232950Stheraven _LIBCPP_INLINE_VISIBILITY 1658234976Stheraven void 1659232950Stheraven construct(pointer __p, _A0& __a0) 1660232950Stheraven { 1661232950Stheraven ::new((void*)__p) _Tp(__a0); 1662232950Stheraven } 1663232950Stheraven template <class _A0> 1664232950Stheraven _LIBCPP_INLINE_VISIBILITY 1665234976Stheraven void 1666232950Stheraven construct(pointer __p, const _A0& __a0) 1667232950Stheraven { 1668232950Stheraven ::new((void*)__p) _Tp(__a0); 1669232950Stheraven } 1670232950Stheraven# endif // defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) 1671232950Stheraven template <class _A0, class _A1> 1672232950Stheraven _LIBCPP_INLINE_VISIBILITY 1673232950Stheraven void 1674232950Stheraven construct(pointer __p, _A0& __a0, _A1& __a1) 1675232950Stheraven { 1676232950Stheraven ::new((void*)__p) _Tp(__a0, __a1); 1677232950Stheraven } 1678232950Stheraven template <class _A0, class _A1> 1679232950Stheraven _LIBCPP_INLINE_VISIBILITY 1680232950Stheraven void 1681232950Stheraven construct(pointer __p, const _A0& __a0, _A1& __a1) 1682232950Stheraven { 1683232950Stheraven ::new((void*)__p) _Tp(__a0, __a1); 1684232950Stheraven } 1685232950Stheraven template <class _A0, class _A1> 1686232950Stheraven _LIBCPP_INLINE_VISIBILITY 1687232950Stheraven void 1688232950Stheraven construct(pointer __p, _A0& __a0, const _A1& __a1) 1689232950Stheraven { 1690232950Stheraven ::new((void*)__p) _Tp(__a0, __a1); 1691232950Stheraven } 1692232950Stheraven template <class _A0, class _A1> 1693232950Stheraven _LIBCPP_INLINE_VISIBILITY 1694232950Stheraven void 1695232950Stheraven construct(pointer __p, const _A0& __a0, const _A1& __a1) 1696232950Stheraven { 1697232950Stheraven ::new((void*)__p) _Tp(__a0, __a1); 1698232950Stheraven } 1699232950Stheraven#endif // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS) 1700232950Stheraven _LIBCPP_INLINE_VISIBILITY void destroy(pointer __p) {__p->~_Tp();} 1701227825Stheraven}; 1702227825Stheraven 1703227825Stheraventemplate <class _Tp> 1704262801Sdimclass _LIBCPP_TYPE_VIS_ONLY allocator<const _Tp> 1705227825Stheraven{ 1706227825Stheravenpublic: 1707227825Stheraven typedef size_t size_type; 1708227825Stheraven typedef ptrdiff_t difference_type; 1709232950Stheraven typedef const _Tp* pointer; 1710227825Stheraven typedef const _Tp* const_pointer; 1711232950Stheraven typedef const _Tp& reference; 1712227825Stheraven typedef const _Tp& const_reference; 1713253159Stheraven typedef const _Tp value_type; 1714227825Stheraven 1715227825Stheraven typedef true_type propagate_on_container_move_assignment; 1716227825Stheraven 1717227825Stheraven template <class _Up> struct rebind {typedef allocator<_Up> other;}; 1718227825Stheraven 1719227825Stheraven _LIBCPP_INLINE_VISIBILITY allocator() _NOEXCEPT {} 1720227825Stheraven template <class _Up> _LIBCPP_INLINE_VISIBILITY allocator(const allocator<_Up>&) _NOEXCEPT {} 1721227825Stheraven _LIBCPP_INLINE_VISIBILITY const_pointer address(const_reference __x) const _NOEXCEPT 1722227825Stheraven {return _VSTD::addressof(__x);} 1723227825Stheraven _LIBCPP_INLINE_VISIBILITY pointer allocate(size_type __n, allocator<void>::const_pointer = 0) 1724278724Sdim {return static_cast<pointer>(_VSTD::__allocate(__n * sizeof(_Tp)));} 1725227825Stheraven _LIBCPP_INLINE_VISIBILITY void deallocate(pointer __p, size_type) _NOEXCEPT 1726278724Sdim {_VSTD::__deallocate((void*)__p);} 1727227825Stheraven _LIBCPP_INLINE_VISIBILITY size_type max_size() const _NOEXCEPT 1728227825Stheraven {return size_type(~0) / sizeof(_Tp);} 1729227825Stheraven#if !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS) 1730227825Stheraven template <class _Up, class... _Args> 1731227825Stheraven _LIBCPP_INLINE_VISIBILITY 1732227825Stheraven void 1733227825Stheraven construct(_Up* __p, _Args&&... __args) 1734227825Stheraven { 1735227825Stheraven ::new((void*)__p) _Up(_VSTD::forward<_Args>(__args)...); 1736227825Stheraven } 1737227825Stheraven#else // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS) 1738227825Stheraven _LIBCPP_INLINE_VISIBILITY 1739227825Stheraven void 1740227825Stheraven construct(pointer __p) 1741227825Stheraven { 1742227825Stheraven ::new((void*)__p) _Tp(); 1743227825Stheraven } 1744227825Stheraven# if defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) 1745234976Stheraven 1746227825Stheraven template <class _A0> 1747227825Stheraven _LIBCPP_INLINE_VISIBILITY 1748234976Stheraven void 1749227825Stheraven construct(pointer __p, _A0& __a0) 1750227825Stheraven { 1751227825Stheraven ::new((void*)__p) _Tp(__a0); 1752227825Stheraven } 1753227825Stheraven template <class _A0> 1754227825Stheraven _LIBCPP_INLINE_VISIBILITY 1755234976Stheraven void 1756227825Stheraven construct(pointer __p, const _A0& __a0) 1757227825Stheraven { 1758227825Stheraven ::new((void*)__p) _Tp(__a0); 1759227825Stheraven } 1760227825Stheraven# endif // defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) 1761227825Stheraven template <class _A0, class _A1> 1762227825Stheraven _LIBCPP_INLINE_VISIBILITY 1763227825Stheraven void 1764227825Stheraven construct(pointer __p, _A0& __a0, _A1& __a1) 1765227825Stheraven { 1766227825Stheraven ::new((void*)__p) _Tp(__a0, __a1); 1767227825Stheraven } 1768227825Stheraven template <class _A0, class _A1> 1769227825Stheraven _LIBCPP_INLINE_VISIBILITY 1770227825Stheraven void 1771227825Stheraven construct(pointer __p, const _A0& __a0, _A1& __a1) 1772227825Stheraven { 1773227825Stheraven ::new((void*)__p) _Tp(__a0, __a1); 1774227825Stheraven } 1775227825Stheraven template <class _A0, class _A1> 1776227825Stheraven _LIBCPP_INLINE_VISIBILITY 1777227825Stheraven void 1778227825Stheraven construct(pointer __p, _A0& __a0, const _A1& __a1) 1779227825Stheraven { 1780227825Stheraven ::new((void*)__p) _Tp(__a0, __a1); 1781227825Stheraven } 1782227825Stheraven template <class _A0, class _A1> 1783227825Stheraven _LIBCPP_INLINE_VISIBILITY 1784227825Stheraven void 1785227825Stheraven construct(pointer __p, const _A0& __a0, const _A1& __a1) 1786227825Stheraven { 1787227825Stheraven ::new((void*)__p) _Tp(__a0, __a1); 1788227825Stheraven } 1789227825Stheraven#endif // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS) 1790227825Stheraven _LIBCPP_INLINE_VISIBILITY void destroy(pointer __p) {__p->~_Tp();} 1791227825Stheraven}; 1792227825Stheraven 1793227825Stheraventemplate <class _Tp, class _Up> 1794227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1795227825Stheravenbool operator==(const allocator<_Tp>&, const allocator<_Up>&) _NOEXCEPT {return true;} 1796227825Stheraven 1797227825Stheraventemplate <class _Tp, class _Up> 1798227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1799227825Stheravenbool operator!=(const allocator<_Tp>&, const allocator<_Up>&) _NOEXCEPT {return false;} 1800227825Stheraven 1801227825Stheraventemplate <class _OutputIterator, class _Tp> 1802262801Sdimclass _LIBCPP_TYPE_VIS_ONLY raw_storage_iterator 1803227825Stheraven : public iterator<output_iterator_tag, 1804227825Stheraven _Tp, // purposefully not C++03 1805227825Stheraven ptrdiff_t, // purposefully not C++03 1806227825Stheraven _Tp*, // purposefully not C++03 1807227825Stheraven raw_storage_iterator<_OutputIterator, _Tp>&> // purposefully not C++03 1808227825Stheraven{ 1809227825Stheravenprivate: 1810227825Stheraven _OutputIterator __x_; 1811227825Stheravenpublic: 1812227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit raw_storage_iterator(_OutputIterator __x) : __x_(__x) {} 1813227825Stheraven _LIBCPP_INLINE_VISIBILITY raw_storage_iterator& operator*() {return *this;} 1814227825Stheraven _LIBCPP_INLINE_VISIBILITY raw_storage_iterator& operator=(const _Tp& __element) 1815227825Stheraven {::new(&*__x_) _Tp(__element); return *this;} 1816227825Stheraven _LIBCPP_INLINE_VISIBILITY raw_storage_iterator& operator++() {++__x_; return *this;} 1817227825Stheraven _LIBCPP_INLINE_VISIBILITY raw_storage_iterator operator++(int) 1818227825Stheraven {raw_storage_iterator __t(*this); ++__x_; return __t;} 1819227825Stheraven}; 1820227825Stheraven 1821227825Stheraventemplate <class _Tp> 1822227825Stheravenpair<_Tp*, ptrdiff_t> 1823227825Stheravenget_temporary_buffer(ptrdiff_t __n) _NOEXCEPT 1824227825Stheraven{ 1825227825Stheraven pair<_Tp*, ptrdiff_t> __r(0, 0); 1826227825Stheraven const ptrdiff_t __m = (~ptrdiff_t(0) ^ 1827227825Stheraven ptrdiff_t(ptrdiff_t(1) << (sizeof(ptrdiff_t) * __CHAR_BIT__ - 1))) 1828227825Stheraven / sizeof(_Tp); 1829227825Stheraven if (__n > __m) 1830227825Stheraven __n = __m; 1831227825Stheraven while (__n > 0) 1832227825Stheraven { 1833227825Stheraven __r.first = static_cast<_Tp*>(::operator new(__n * sizeof(_Tp), nothrow)); 1834227825Stheraven if (__r.first) 1835227825Stheraven { 1836227825Stheraven __r.second = __n; 1837227825Stheraven break; 1838227825Stheraven } 1839227825Stheraven __n /= 2; 1840227825Stheraven } 1841227825Stheraven return __r; 1842227825Stheraven} 1843227825Stheraven 1844227825Stheraventemplate <class _Tp> 1845227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 1846227825Stheravenvoid return_temporary_buffer(_Tp* __p) _NOEXCEPT {::operator delete(__p);} 1847227825Stheraven 1848227825Stheraventemplate <class _Tp> 1849227825Stheravenstruct auto_ptr_ref 1850227825Stheraven{ 1851227825Stheraven _Tp* __ptr_; 1852227825Stheraven}; 1853227825Stheraven 1854227825Stheraventemplate<class _Tp> 1855262801Sdimclass _LIBCPP_TYPE_VIS_ONLY auto_ptr 1856227825Stheraven{ 1857227825Stheravenprivate: 1858227825Stheraven _Tp* __ptr_; 1859227825Stheravenpublic: 1860227825Stheraven typedef _Tp element_type; 1861227825Stheraven 1862227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit auto_ptr(_Tp* __p = 0) throw() : __ptr_(__p) {} 1863227825Stheraven _LIBCPP_INLINE_VISIBILITY auto_ptr(auto_ptr& __p) throw() : __ptr_(__p.release()) {} 1864227825Stheraven template<class _Up> _LIBCPP_INLINE_VISIBILITY auto_ptr(auto_ptr<_Up>& __p) throw() 1865227825Stheraven : __ptr_(__p.release()) {} 1866227825Stheraven _LIBCPP_INLINE_VISIBILITY auto_ptr& operator=(auto_ptr& __p) throw() 1867227825Stheraven {reset(__p.release()); return *this;} 1868227825Stheraven template<class _Up> _LIBCPP_INLINE_VISIBILITY auto_ptr& operator=(auto_ptr<_Up>& __p) throw() 1869227825Stheraven {reset(__p.release()); return *this;} 1870227825Stheraven _LIBCPP_INLINE_VISIBILITY auto_ptr& operator=(auto_ptr_ref<_Tp> __p) throw() 1871227825Stheraven {reset(__p.__ptr_); return *this;} 1872227825Stheraven _LIBCPP_INLINE_VISIBILITY ~auto_ptr() throw() {delete __ptr_;} 1873227825Stheraven 1874227825Stheraven _LIBCPP_INLINE_VISIBILITY _Tp& operator*() const throw() 1875227825Stheraven {return *__ptr_;} 1876227825Stheraven _LIBCPP_INLINE_VISIBILITY _Tp* operator->() const throw() {return __ptr_;} 1877227825Stheraven _LIBCPP_INLINE_VISIBILITY _Tp* get() const throw() {return __ptr_;} 1878227825Stheraven _LIBCPP_INLINE_VISIBILITY _Tp* release() throw() 1879227825Stheraven { 1880227825Stheraven _Tp* __t = __ptr_; 1881227825Stheraven __ptr_ = 0; 1882227825Stheraven return __t; 1883227825Stheraven } 1884227825Stheraven _LIBCPP_INLINE_VISIBILITY void reset(_Tp* __p = 0) throw() 1885227825Stheraven { 1886227825Stheraven if (__ptr_ != __p) 1887227825Stheraven delete __ptr_; 1888227825Stheraven __ptr_ = __p; 1889227825Stheraven } 1890227825Stheraven 1891227825Stheraven _LIBCPP_INLINE_VISIBILITY auto_ptr(auto_ptr_ref<_Tp> __p) throw() : __ptr_(__p.__ptr_) {} 1892227825Stheraven template<class _Up> _LIBCPP_INLINE_VISIBILITY operator auto_ptr_ref<_Up>() throw() 1893227825Stheraven {auto_ptr_ref<_Up> __t; __t.__ptr_ = release(); return __t;} 1894227825Stheraven template<class _Up> _LIBCPP_INLINE_VISIBILITY operator auto_ptr<_Up>() throw() 1895227825Stheraven {return auto_ptr<_Up>(release());} 1896227825Stheraven}; 1897227825Stheraven 1898227825Stheraventemplate <> 1899262801Sdimclass _LIBCPP_TYPE_VIS_ONLY auto_ptr<void> 1900227825Stheraven{ 1901227825Stheravenpublic: 1902227825Stheraven typedef void element_type; 1903227825Stheraven}; 1904227825Stheraven 1905227825Stheraventemplate <class _T1, class _T2, bool = is_same<typename remove_cv<_T1>::type, 1906227825Stheraven typename remove_cv<_T2>::type>::value, 1907232950Stheraven bool = is_empty<_T1>::value 1908232950Stheraven#if __has_feature(is_final) 1909232950Stheraven && !__is_final(_T1) 1910232950Stheraven#endif 1911232950Stheraven , 1912232950Stheraven bool = is_empty<_T2>::value 1913232950Stheraven#if __has_feature(is_final) 1914232950Stheraven && !__is_final(_T2) 1915232950Stheraven#endif 1916232950Stheraven > 1917227825Stheravenstruct __libcpp_compressed_pair_switch; 1918227825Stheraven 1919227825Stheraventemplate <class _T1, class _T2, bool IsSame> 1920227825Stheravenstruct __libcpp_compressed_pair_switch<_T1, _T2, IsSame, false, false> {enum {value = 0};}; 1921227825Stheraven 1922227825Stheraventemplate <class _T1, class _T2, bool IsSame> 1923227825Stheravenstruct __libcpp_compressed_pair_switch<_T1, _T2, IsSame, true, false> {enum {value = 1};}; 1924227825Stheraven 1925227825Stheraventemplate <class _T1, class _T2, bool IsSame> 1926227825Stheravenstruct __libcpp_compressed_pair_switch<_T1, _T2, IsSame, false, true> {enum {value = 2};}; 1927227825Stheraven 1928227825Stheraventemplate <class _T1, class _T2> 1929227825Stheravenstruct __libcpp_compressed_pair_switch<_T1, _T2, false, true, true> {enum {value = 3};}; 1930227825Stheraven 1931227825Stheraventemplate <class _T1, class _T2> 1932227825Stheravenstruct __libcpp_compressed_pair_switch<_T1, _T2, true, true, true> {enum {value = 1};}; 1933227825Stheraven 1934227825Stheraventemplate <class _T1, class _T2, unsigned = __libcpp_compressed_pair_switch<_T1, _T2>::value> 1935227825Stheravenclass __libcpp_compressed_pair_imp; 1936227825Stheraven 1937227825Stheraventemplate <class _T1, class _T2> 1938227825Stheravenclass __libcpp_compressed_pair_imp<_T1, _T2, 0> 1939227825Stheraven{ 1940227825Stheravenprivate: 1941227825Stheraven _T1 __first_; 1942227825Stheraven _T2 __second_; 1943227825Stheravenpublic: 1944227825Stheraven typedef _T1 _T1_param; 1945227825Stheraven typedef _T2 _T2_param; 1946227825Stheraven 1947227825Stheraven typedef typename remove_reference<_T1>::type& _T1_reference; 1948227825Stheraven typedef typename remove_reference<_T2>::type& _T2_reference; 1949227825Stheraven 1950227825Stheraven typedef const typename remove_reference<_T1>::type& _T1_const_reference; 1951227825Stheraven typedef const typename remove_reference<_T2>::type& _T2_const_reference; 1952227825Stheraven 1953227825Stheraven _LIBCPP_INLINE_VISIBILITY __libcpp_compressed_pair_imp() {} 1954232950Stheraven _LIBCPP_INLINE_VISIBILITY explicit __libcpp_compressed_pair_imp(_T1_param __t1) 1955227825Stheraven : __first_(_VSTD::forward<_T1_param>(__t1)) {} 1956232950Stheraven _LIBCPP_INLINE_VISIBILITY explicit __libcpp_compressed_pair_imp(_T2_param __t2) 1957227825Stheraven : __second_(_VSTD::forward<_T2_param>(__t2)) {} 1958227825Stheraven _LIBCPP_INLINE_VISIBILITY __libcpp_compressed_pair_imp(_T1_param __t1, _T2_param __t2) 1959227825Stheraven : __first_(_VSTD::forward<_T1_param>(__t1)), __second_(_VSTD::forward<_T2_param>(__t2)) {} 1960227825Stheraven 1961262801Sdim#if defined(_LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS) && !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) 1962227825Stheraven 1963227825Stheraven _LIBCPP_INLINE_VISIBILITY 1964227825Stheraven __libcpp_compressed_pair_imp(const __libcpp_compressed_pair_imp& __p) 1965227825Stheraven _NOEXCEPT_(is_nothrow_copy_constructible<_T1>::value && 1966227825Stheraven is_nothrow_copy_constructible<_T2>::value) 1967227825Stheraven : __first_(__p.first()), 1968227825Stheraven __second_(__p.second()) {} 1969227825Stheraven 1970227825Stheraven _LIBCPP_INLINE_VISIBILITY 1971227825Stheraven __libcpp_compressed_pair_imp& operator=(const __libcpp_compressed_pair_imp& __p) 1972227825Stheraven _NOEXCEPT_(is_nothrow_copy_assignable<_T1>::value && 1973227825Stheraven is_nothrow_copy_assignable<_T2>::value) 1974227825Stheraven { 1975227825Stheraven __first_ = __p.first(); 1976227825Stheraven __second_ = __p.second(); 1977227825Stheraven return *this; 1978227825Stheraven } 1979227825Stheraven 1980227825Stheraven _LIBCPP_INLINE_VISIBILITY 1981227825Stheraven __libcpp_compressed_pair_imp(__libcpp_compressed_pair_imp&& __p) 1982227825Stheraven _NOEXCEPT_(is_nothrow_move_constructible<_T1>::value && 1983227825Stheraven is_nothrow_move_constructible<_T2>::value) 1984227825Stheraven : __first_(_VSTD::forward<_T1>(__p.first())), 1985227825Stheraven __second_(_VSTD::forward<_T2>(__p.second())) {} 1986227825Stheraven 1987227825Stheraven _LIBCPP_INLINE_VISIBILITY 1988227825Stheraven __libcpp_compressed_pair_imp& operator=(__libcpp_compressed_pair_imp&& __p) 1989227825Stheraven _NOEXCEPT_(is_nothrow_move_assignable<_T1>::value && 1990227825Stheraven is_nothrow_move_assignable<_T2>::value) 1991227825Stheraven { 1992227825Stheraven __first_ = _VSTD::forward<_T1>(__p.first()); 1993227825Stheraven __second_ = _VSTD::forward<_T2>(__p.second()); 1994227825Stheraven return *this; 1995227825Stheraven } 1996227825Stheraven 1997262801Sdim#endif // defined(_LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS) && !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) 1998253159Stheraven 1999232950Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 2000232950Stheraven 2001232950Stheraven template <class... _Args1, class... _Args2, size_t... _I1, size_t... _I2> 2002232950Stheraven _LIBCPP_INLINE_VISIBILITY 2003232950Stheraven __libcpp_compressed_pair_imp(piecewise_construct_t __pc, 2004232950Stheraven tuple<_Args1...> __first_args, 2005232950Stheraven tuple<_Args2...> __second_args, 2006232950Stheraven __tuple_indices<_I1...>, 2007232950Stheraven __tuple_indices<_I2...>) 2008278724Sdim : __first_(_VSTD::forward<_Args1>(_VSTD::get<_I1>(__first_args))...), 2009278724Sdim __second_(_VSTD::forward<_Args2>(_VSTD::get<_I2>(__second_args))...) 2010232950Stheraven {} 2011232950Stheraven 2012232950Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 2013232950Stheraven 2014227825Stheraven _LIBCPP_INLINE_VISIBILITY _T1_reference first() _NOEXCEPT {return __first_;} 2015227825Stheraven _LIBCPP_INLINE_VISIBILITY _T1_const_reference first() const _NOEXCEPT {return __first_;} 2016227825Stheraven 2017227825Stheraven _LIBCPP_INLINE_VISIBILITY _T2_reference second() _NOEXCEPT {return __second_;} 2018227825Stheraven _LIBCPP_INLINE_VISIBILITY _T2_const_reference second() const _NOEXCEPT {return __second_;} 2019227825Stheraven 2020227825Stheraven _LIBCPP_INLINE_VISIBILITY void swap(__libcpp_compressed_pair_imp& __x) 2021227825Stheraven _NOEXCEPT_(__is_nothrow_swappable<_T1>::value && 2022278724Sdim __is_nothrow_swappable<_T2>::value) 2023227825Stheraven { 2024227825Stheraven using _VSTD::swap; 2025227825Stheraven swap(__first_, __x.__first_); 2026227825Stheraven swap(__second_, __x.__second_); 2027227825Stheraven } 2028227825Stheraven}; 2029227825Stheraven 2030227825Stheraventemplate <class _T1, class _T2> 2031227825Stheravenclass __libcpp_compressed_pair_imp<_T1, _T2, 1> 2032227825Stheraven : private _T1 2033227825Stheraven{ 2034227825Stheravenprivate: 2035227825Stheraven _T2 __second_; 2036227825Stheravenpublic: 2037227825Stheraven typedef _T1 _T1_param; 2038227825Stheraven typedef _T2 _T2_param; 2039227825Stheraven 2040227825Stheraven typedef _T1& _T1_reference; 2041227825Stheraven typedef typename remove_reference<_T2>::type& _T2_reference; 2042227825Stheraven 2043227825Stheraven typedef const _T1& _T1_const_reference; 2044227825Stheraven typedef const typename remove_reference<_T2>::type& _T2_const_reference; 2045227825Stheraven 2046227825Stheraven _LIBCPP_INLINE_VISIBILITY __libcpp_compressed_pair_imp() {} 2047232950Stheraven _LIBCPP_INLINE_VISIBILITY explicit __libcpp_compressed_pair_imp(_T1_param __t1) 2048227825Stheraven : _T1(_VSTD::forward<_T1_param>(__t1)) {} 2049232950Stheraven _LIBCPP_INLINE_VISIBILITY explicit __libcpp_compressed_pair_imp(_T2_param __t2) 2050227825Stheraven : __second_(_VSTD::forward<_T2_param>(__t2)) {} 2051227825Stheraven _LIBCPP_INLINE_VISIBILITY __libcpp_compressed_pair_imp(_T1_param __t1, _T2_param __t2) 2052227825Stheraven : _T1(_VSTD::forward<_T1_param>(__t1)), __second_(_VSTD::forward<_T2_param>(__t2)) {} 2053227825Stheraven 2054262801Sdim#if defined(_LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS) && !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) 2055227825Stheraven 2056227825Stheraven _LIBCPP_INLINE_VISIBILITY 2057227825Stheraven __libcpp_compressed_pair_imp(const __libcpp_compressed_pair_imp& __p) 2058227825Stheraven _NOEXCEPT_(is_nothrow_copy_constructible<_T1>::value && 2059227825Stheraven is_nothrow_copy_constructible<_T2>::value) 2060227825Stheraven : _T1(__p.first()), __second_(__p.second()) {} 2061227825Stheraven 2062227825Stheraven _LIBCPP_INLINE_VISIBILITY 2063227825Stheraven __libcpp_compressed_pair_imp& operator=(const __libcpp_compressed_pair_imp& __p) 2064227825Stheraven _NOEXCEPT_(is_nothrow_copy_assignable<_T1>::value && 2065227825Stheraven is_nothrow_copy_assignable<_T2>::value) 2066227825Stheraven { 2067227825Stheraven _T1::operator=(__p.first()); 2068227825Stheraven __second_ = __p.second(); 2069227825Stheraven return *this; 2070227825Stheraven } 2071227825Stheraven 2072227825Stheraven _LIBCPP_INLINE_VISIBILITY 2073227825Stheraven __libcpp_compressed_pair_imp(__libcpp_compressed_pair_imp&& __p) 2074227825Stheraven _NOEXCEPT_(is_nothrow_move_constructible<_T1>::value && 2075227825Stheraven is_nothrow_move_constructible<_T2>::value) 2076227825Stheraven : _T1(_VSTD::move(__p.first())), __second_(_VSTD::forward<_T2>(__p.second())) {} 2077227825Stheraven 2078227825Stheraven _LIBCPP_INLINE_VISIBILITY 2079227825Stheraven __libcpp_compressed_pair_imp& operator=(__libcpp_compressed_pair_imp&& __p) 2080227825Stheraven _NOEXCEPT_(is_nothrow_move_assignable<_T1>::value && 2081227825Stheraven is_nothrow_move_assignable<_T2>::value) 2082227825Stheraven { 2083227825Stheraven _T1::operator=(_VSTD::move(__p.first())); 2084227825Stheraven __second_ = _VSTD::forward<_T2>(__p.second()); 2085227825Stheraven return *this; 2086227825Stheraven } 2087227825Stheraven 2088262801Sdim#endif // defined(_LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS) && !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) 2089253159Stheraven 2090232950Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 2091232950Stheraven 2092232950Stheraven template <class... _Args1, class... _Args2, size_t... _I1, size_t... _I2> 2093232950Stheraven _LIBCPP_INLINE_VISIBILITY 2094232950Stheraven __libcpp_compressed_pair_imp(piecewise_construct_t __pc, 2095232950Stheraven tuple<_Args1...> __first_args, 2096232950Stheraven tuple<_Args2...> __second_args, 2097232950Stheraven __tuple_indices<_I1...>, 2098232950Stheraven __tuple_indices<_I2...>) 2099278724Sdim : _T1(_VSTD::forward<_Args1>(_VSTD::get<_I1>(__first_args))...), 2100278724Sdim __second_(_VSTD::forward<_Args2>(_VSTD::get<_I2>(__second_args))...) 2101232950Stheraven {} 2102232950Stheraven 2103232950Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 2104232950Stheraven 2105227825Stheraven _LIBCPP_INLINE_VISIBILITY _T1_reference first() _NOEXCEPT {return *this;} 2106227825Stheraven _LIBCPP_INLINE_VISIBILITY _T1_const_reference first() const _NOEXCEPT {return *this;} 2107227825Stheraven 2108227825Stheraven _LIBCPP_INLINE_VISIBILITY _T2_reference second() _NOEXCEPT {return __second_;} 2109227825Stheraven _LIBCPP_INLINE_VISIBILITY _T2_const_reference second() const _NOEXCEPT {return __second_;} 2110227825Stheraven 2111227825Stheraven _LIBCPP_INLINE_VISIBILITY void swap(__libcpp_compressed_pair_imp& __x) 2112227825Stheraven _NOEXCEPT_(__is_nothrow_swappable<_T1>::value && 2113278724Sdim __is_nothrow_swappable<_T2>::value) 2114227825Stheraven { 2115227825Stheraven using _VSTD::swap; 2116227825Stheraven swap(__second_, __x.__second_); 2117227825Stheraven } 2118227825Stheraven}; 2119227825Stheraven 2120227825Stheraventemplate <class _T1, class _T2> 2121227825Stheravenclass __libcpp_compressed_pair_imp<_T1, _T2, 2> 2122227825Stheraven : private _T2 2123227825Stheraven{ 2124227825Stheravenprivate: 2125227825Stheraven _T1 __first_; 2126227825Stheravenpublic: 2127227825Stheraven typedef _T1 _T1_param; 2128227825Stheraven typedef _T2 _T2_param; 2129227825Stheraven 2130227825Stheraven typedef typename remove_reference<_T1>::type& _T1_reference; 2131227825Stheraven typedef _T2& _T2_reference; 2132227825Stheraven 2133227825Stheraven typedef const typename remove_reference<_T1>::type& _T1_const_reference; 2134227825Stheraven typedef const _T2& _T2_const_reference; 2135227825Stheraven 2136227825Stheraven _LIBCPP_INLINE_VISIBILITY __libcpp_compressed_pair_imp() {} 2137227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit __libcpp_compressed_pair_imp(_T1_param __t1) 2138227825Stheraven : __first_(_VSTD::forward<_T1_param>(__t1)) {} 2139227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit __libcpp_compressed_pair_imp(_T2_param __t2) 2140227825Stheraven : _T2(_VSTD::forward<_T2_param>(__t2)) {} 2141227825Stheraven _LIBCPP_INLINE_VISIBILITY __libcpp_compressed_pair_imp(_T1_param __t1, _T2_param __t2) 2142227825Stheraven _NOEXCEPT_(is_nothrow_move_constructible<_T1>::value && 2143227825Stheraven is_nothrow_move_constructible<_T2>::value) 2144227825Stheraven : _T2(_VSTD::forward<_T2_param>(__t2)), __first_(_VSTD::forward<_T1_param>(__t1)) {} 2145227825Stheraven 2146262801Sdim#if defined(_LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS) && !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) 2147227825Stheraven 2148227825Stheraven _LIBCPP_INLINE_VISIBILITY 2149227825Stheraven __libcpp_compressed_pair_imp(const __libcpp_compressed_pair_imp& __p) 2150227825Stheraven _NOEXCEPT_(is_nothrow_copy_constructible<_T1>::value && 2151227825Stheraven is_nothrow_copy_constructible<_T2>::value) 2152227825Stheraven : _T2(__p.second()), __first_(__p.first()) {} 2153227825Stheraven 2154227825Stheraven _LIBCPP_INLINE_VISIBILITY 2155227825Stheraven __libcpp_compressed_pair_imp& operator=(const __libcpp_compressed_pair_imp& __p) 2156227825Stheraven _NOEXCEPT_(is_nothrow_copy_assignable<_T1>::value && 2157227825Stheraven is_nothrow_copy_assignable<_T2>::value) 2158227825Stheraven { 2159227825Stheraven _T2::operator=(__p.second()); 2160227825Stheraven __first_ = __p.first(); 2161227825Stheraven return *this; 2162227825Stheraven } 2163227825Stheraven 2164227825Stheraven _LIBCPP_INLINE_VISIBILITY 2165227825Stheraven __libcpp_compressed_pair_imp(__libcpp_compressed_pair_imp&& __p) 2166227825Stheraven _NOEXCEPT_(is_nothrow_move_constructible<_T1>::value && 2167227825Stheraven is_nothrow_move_constructible<_T2>::value) 2168227825Stheraven : _T2(_VSTD::forward<_T2>(__p.second())), __first_(_VSTD::move(__p.first())) {} 2169227825Stheraven 2170227825Stheraven _LIBCPP_INLINE_VISIBILITY 2171227825Stheraven __libcpp_compressed_pair_imp& operator=(__libcpp_compressed_pair_imp&& __p) 2172227825Stheraven _NOEXCEPT_(is_nothrow_move_assignable<_T1>::value && 2173227825Stheraven is_nothrow_move_assignable<_T2>::value) 2174227825Stheraven { 2175227825Stheraven _T2::operator=(_VSTD::forward<_T2>(__p.second())); 2176227825Stheraven __first_ = _VSTD::move(__p.first()); 2177227825Stheraven return *this; 2178227825Stheraven } 2179227825Stheraven 2180262801Sdim#endif // defined(_LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS) && !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) 2181253159Stheraven 2182232950Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 2183232950Stheraven 2184232950Stheraven template <class... _Args1, class... _Args2, size_t... _I1, size_t... _I2> 2185232950Stheraven _LIBCPP_INLINE_VISIBILITY 2186232950Stheraven __libcpp_compressed_pair_imp(piecewise_construct_t __pc, 2187232950Stheraven tuple<_Args1...> __first_args, 2188232950Stheraven tuple<_Args2...> __second_args, 2189232950Stheraven __tuple_indices<_I1...>, 2190232950Stheraven __tuple_indices<_I2...>) 2191278724Sdim : _T2(_VSTD::forward<_Args2>(_VSTD::get<_I2>(__second_args))...), 2192278724Sdim __first_(_VSTD::forward<_Args1>(_VSTD::get<_I1>(__first_args))...) 2193232950Stheraven 2194232950Stheraven {} 2195232950Stheraven 2196232950Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 2197232950Stheraven 2198227825Stheraven _LIBCPP_INLINE_VISIBILITY _T1_reference first() _NOEXCEPT {return __first_;} 2199227825Stheraven _LIBCPP_INLINE_VISIBILITY _T1_const_reference first() const _NOEXCEPT {return __first_;} 2200227825Stheraven 2201227825Stheraven _LIBCPP_INLINE_VISIBILITY _T2_reference second() _NOEXCEPT {return *this;} 2202227825Stheraven _LIBCPP_INLINE_VISIBILITY _T2_const_reference second() const _NOEXCEPT {return *this;} 2203227825Stheraven 2204227825Stheraven _LIBCPP_INLINE_VISIBILITY void swap(__libcpp_compressed_pair_imp& __x) 2205227825Stheraven _NOEXCEPT_(__is_nothrow_swappable<_T1>::value && 2206278724Sdim __is_nothrow_swappable<_T2>::value) 2207227825Stheraven { 2208227825Stheraven using _VSTD::swap; 2209227825Stheraven swap(__first_, __x.__first_); 2210227825Stheraven } 2211227825Stheraven}; 2212227825Stheraven 2213227825Stheraventemplate <class _T1, class _T2> 2214227825Stheravenclass __libcpp_compressed_pair_imp<_T1, _T2, 3> 2215227825Stheraven : private _T1, 2216227825Stheraven private _T2 2217227825Stheraven{ 2218227825Stheravenpublic: 2219227825Stheraven typedef _T1 _T1_param; 2220227825Stheraven typedef _T2 _T2_param; 2221227825Stheraven 2222227825Stheraven typedef _T1& _T1_reference; 2223227825Stheraven typedef _T2& _T2_reference; 2224227825Stheraven 2225227825Stheraven typedef const _T1& _T1_const_reference; 2226227825Stheraven typedef const _T2& _T2_const_reference; 2227227825Stheraven 2228227825Stheraven _LIBCPP_INLINE_VISIBILITY __libcpp_compressed_pair_imp() {} 2229227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit __libcpp_compressed_pair_imp(_T1_param __t1) 2230227825Stheraven : _T1(_VSTD::forward<_T1_param>(__t1)) {} 2231227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit __libcpp_compressed_pair_imp(_T2_param __t2) 2232227825Stheraven : _T2(_VSTD::forward<_T2_param>(__t2)) {} 2233227825Stheraven _LIBCPP_INLINE_VISIBILITY __libcpp_compressed_pair_imp(_T1_param __t1, _T2_param __t2) 2234227825Stheraven : _T1(_VSTD::forward<_T1_param>(__t1)), _T2(_VSTD::forward<_T2_param>(__t2)) {} 2235227825Stheraven 2236262801Sdim#if defined(_LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS) && !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) 2237227825Stheraven 2238227825Stheraven _LIBCPP_INLINE_VISIBILITY 2239227825Stheraven __libcpp_compressed_pair_imp(const __libcpp_compressed_pair_imp& __p) 2240227825Stheraven _NOEXCEPT_(is_nothrow_copy_constructible<_T1>::value && 2241227825Stheraven is_nothrow_copy_constructible<_T2>::value) 2242227825Stheraven : _T1(__p.first()), _T2(__p.second()) {} 2243227825Stheraven 2244227825Stheraven _LIBCPP_INLINE_VISIBILITY 2245227825Stheraven __libcpp_compressed_pair_imp& operator=(const __libcpp_compressed_pair_imp& __p) 2246227825Stheraven _NOEXCEPT_(is_nothrow_copy_assignable<_T1>::value && 2247227825Stheraven is_nothrow_copy_assignable<_T2>::value) 2248227825Stheraven { 2249227825Stheraven _T1::operator=(__p.first()); 2250227825Stheraven _T2::operator=(__p.second()); 2251227825Stheraven return *this; 2252227825Stheraven } 2253227825Stheraven 2254227825Stheraven _LIBCPP_INLINE_VISIBILITY 2255227825Stheraven __libcpp_compressed_pair_imp(__libcpp_compressed_pair_imp&& __p) 2256227825Stheraven _NOEXCEPT_(is_nothrow_move_constructible<_T1>::value && 2257227825Stheraven is_nothrow_move_constructible<_T2>::value) 2258227825Stheraven : _T1(_VSTD::move(__p.first())), _T2(_VSTD::move(__p.second())) {} 2259227825Stheraven 2260227825Stheraven _LIBCPP_INLINE_VISIBILITY 2261227825Stheraven __libcpp_compressed_pair_imp& operator=(__libcpp_compressed_pair_imp&& __p) 2262227825Stheraven _NOEXCEPT_(is_nothrow_move_assignable<_T1>::value && 2263227825Stheraven is_nothrow_move_assignable<_T2>::value) 2264227825Stheraven { 2265227825Stheraven _T1::operator=(_VSTD::move(__p.first())); 2266227825Stheraven _T2::operator=(_VSTD::move(__p.second())); 2267227825Stheraven return *this; 2268227825Stheraven } 2269227825Stheraven 2270262801Sdim#endif // defined(_LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS) && !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) 2271253159Stheraven 2272232950Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 2273232950Stheraven 2274232950Stheraven template <class... _Args1, class... _Args2, size_t... _I1, size_t... _I2> 2275232950Stheraven _LIBCPP_INLINE_VISIBILITY 2276232950Stheraven __libcpp_compressed_pair_imp(piecewise_construct_t __pc, 2277232950Stheraven tuple<_Args1...> __first_args, 2278232950Stheraven tuple<_Args2...> __second_args, 2279232950Stheraven __tuple_indices<_I1...>, 2280232950Stheraven __tuple_indices<_I2...>) 2281278724Sdim : _T1(_VSTD::forward<_Args1>(_VSTD::get<_I1>(__first_args))...), 2282278724Sdim _T2(_VSTD::forward<_Args2>(_VSTD::get<_I2>(__second_args))...) 2283232950Stheraven {} 2284232950Stheraven 2285232950Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 2286232950Stheraven 2287227825Stheraven _LIBCPP_INLINE_VISIBILITY _T1_reference first() _NOEXCEPT {return *this;} 2288227825Stheraven _LIBCPP_INLINE_VISIBILITY _T1_const_reference first() const _NOEXCEPT {return *this;} 2289227825Stheraven 2290227825Stheraven _LIBCPP_INLINE_VISIBILITY _T2_reference second() _NOEXCEPT {return *this;} 2291227825Stheraven _LIBCPP_INLINE_VISIBILITY _T2_const_reference second() const _NOEXCEPT {return *this;} 2292227825Stheraven 2293232950Stheraven _LIBCPP_INLINE_VISIBILITY void swap(__libcpp_compressed_pair_imp&) 2294227825Stheraven _NOEXCEPT_(__is_nothrow_swappable<_T1>::value && 2295278724Sdim __is_nothrow_swappable<_T2>::value) 2296227825Stheraven { 2297227825Stheraven } 2298227825Stheraven}; 2299227825Stheraven 2300227825Stheraventemplate <class _T1, class _T2> 2301227825Stheravenclass __compressed_pair 2302227825Stheraven : private __libcpp_compressed_pair_imp<_T1, _T2> 2303227825Stheraven{ 2304227825Stheraven typedef __libcpp_compressed_pair_imp<_T1, _T2> base; 2305227825Stheravenpublic: 2306227825Stheraven typedef typename base::_T1_param _T1_param; 2307227825Stheraven typedef typename base::_T2_param _T2_param; 2308227825Stheraven 2309227825Stheraven typedef typename base::_T1_reference _T1_reference; 2310227825Stheraven typedef typename base::_T2_reference _T2_reference; 2311227825Stheraven 2312227825Stheraven typedef typename base::_T1_const_reference _T1_const_reference; 2313227825Stheraven typedef typename base::_T2_const_reference _T2_const_reference; 2314227825Stheraven 2315227825Stheraven _LIBCPP_INLINE_VISIBILITY __compressed_pair() {} 2316232950Stheraven _LIBCPP_INLINE_VISIBILITY explicit __compressed_pair(_T1_param __t1) 2317227825Stheraven : base(_VSTD::forward<_T1_param>(__t1)) {} 2318232950Stheraven _LIBCPP_INLINE_VISIBILITY explicit __compressed_pair(_T2_param __t2) 2319227825Stheraven : base(_VSTD::forward<_T2_param>(__t2)) {} 2320227825Stheraven _LIBCPP_INLINE_VISIBILITY __compressed_pair(_T1_param __t1, _T2_param __t2) 2321227825Stheraven : base(_VSTD::forward<_T1_param>(__t1), _VSTD::forward<_T2_param>(__t2)) {} 2322227825Stheraven 2323262801Sdim#if defined(_LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS) && !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) 2324227825Stheraven 2325227825Stheraven _LIBCPP_INLINE_VISIBILITY 2326227825Stheraven __compressed_pair(const __compressed_pair& __p) 2327227825Stheraven _NOEXCEPT_(is_nothrow_copy_constructible<_T1>::value && 2328227825Stheraven is_nothrow_copy_constructible<_T2>::value) 2329227825Stheraven : base(__p) {} 2330227825Stheraven 2331227825Stheraven _LIBCPP_INLINE_VISIBILITY 2332227825Stheraven __compressed_pair& operator=(const __compressed_pair& __p) 2333227825Stheraven _NOEXCEPT_(is_nothrow_copy_assignable<_T1>::value && 2334227825Stheraven is_nothrow_copy_assignable<_T2>::value) 2335227825Stheraven { 2336227825Stheraven base::operator=(__p); 2337227825Stheraven return *this; 2338227825Stheraven } 2339227825Stheraven 2340227825Stheraven _LIBCPP_INLINE_VISIBILITY 2341227825Stheraven __compressed_pair(__compressed_pair&& __p) 2342227825Stheraven _NOEXCEPT_(is_nothrow_move_constructible<_T1>::value && 2343227825Stheraven is_nothrow_move_constructible<_T2>::value) 2344227825Stheraven : base(_VSTD::move(__p)) {} 2345227825Stheraven 2346227825Stheraven _LIBCPP_INLINE_VISIBILITY 2347227825Stheraven __compressed_pair& operator=(__compressed_pair&& __p) 2348227825Stheraven _NOEXCEPT_(is_nothrow_move_assignable<_T1>::value && 2349227825Stheraven is_nothrow_move_assignable<_T2>::value) 2350227825Stheraven { 2351227825Stheraven base::operator=(_VSTD::move(__p)); 2352227825Stheraven return *this; 2353227825Stheraven } 2354232950Stheraven 2355262801Sdim#endif // defined(_LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS) && !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) 2356253159Stheraven 2357232950Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 2358232950Stheraven 2359232950Stheraven template <class... _Args1, class... _Args2> 2360232950Stheraven _LIBCPP_INLINE_VISIBILITY 2361232950Stheraven __compressed_pair(piecewise_construct_t __pc, tuple<_Args1...> __first_args, 2362232950Stheraven tuple<_Args2...> __second_args) 2363232950Stheraven : base(__pc, _VSTD::move(__first_args), _VSTD::move(__second_args), 2364232950Stheraven typename __make_tuple_indices<sizeof...(_Args1)>::type(), 2365232950Stheraven typename __make_tuple_indices<sizeof...(_Args2) >::type()) 2366232950Stheraven {} 2367232950Stheraven 2368232950Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 2369232950Stheraven 2370227825Stheraven _LIBCPP_INLINE_VISIBILITY _T1_reference first() _NOEXCEPT {return base::first();} 2371227825Stheraven _LIBCPP_INLINE_VISIBILITY _T1_const_reference first() const _NOEXCEPT {return base::first();} 2372227825Stheraven 2373227825Stheraven _LIBCPP_INLINE_VISIBILITY _T2_reference second() _NOEXCEPT {return base::second();} 2374227825Stheraven _LIBCPP_INLINE_VISIBILITY _T2_const_reference second() const _NOEXCEPT {return base::second();} 2375227825Stheraven 2376227825Stheraven _LIBCPP_INLINE_VISIBILITY void swap(__compressed_pair& __x) 2377227825Stheraven _NOEXCEPT_(__is_nothrow_swappable<_T1>::value && 2378278724Sdim __is_nothrow_swappable<_T2>::value) 2379227825Stheraven {base::swap(__x);} 2380227825Stheraven}; 2381227825Stheraven 2382227825Stheraventemplate <class _T1, class _T2> 2383227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 2384227825Stheravenvoid 2385227825Stheravenswap(__compressed_pair<_T1, _T2>& __x, __compressed_pair<_T1, _T2>& __y) 2386227825Stheraven _NOEXCEPT_(__is_nothrow_swappable<_T1>::value && 2387278724Sdim __is_nothrow_swappable<_T2>::value) 2388227825Stheraven {__x.swap(__y);} 2389227825Stheraven 2390232950Stheraven// __same_or_less_cv_qualified 2391232950Stheraven 2392232950Stheraventemplate <class _Ptr1, class _Ptr2, 2393232950Stheraven bool = is_same<typename remove_cv<typename pointer_traits<_Ptr1>::element_type>::type, 2394232950Stheraven typename remove_cv<typename pointer_traits<_Ptr2>::element_type>::type 2395232950Stheraven >::value 2396232950Stheraven > 2397232950Stheravenstruct __same_or_less_cv_qualified_imp 2398232950Stheraven : is_convertible<_Ptr1, _Ptr2> {}; 2399232950Stheraven 2400232950Stheraventemplate <class _Ptr1, class _Ptr2> 2401232950Stheravenstruct __same_or_less_cv_qualified_imp<_Ptr1, _Ptr2, false> 2402232950Stheraven : false_type {}; 2403232950Stheraven 2404278724Sdimtemplate <class _Ptr1, class _Ptr2, bool = is_pointer<_Ptr1>::value || 2405278724Sdim is_same<_Ptr1, _Ptr2>::value || 2406278724Sdim __has_element_type<_Ptr1>::value> 2407232950Stheravenstruct __same_or_less_cv_qualified 2408232950Stheraven : __same_or_less_cv_qualified_imp<_Ptr1, _Ptr2> {}; 2409232950Stheraven 2410232950Stheraventemplate <class _Ptr1, class _Ptr2> 2411278724Sdimstruct __same_or_less_cv_qualified<_Ptr1, _Ptr2, false> 2412232950Stheraven : false_type {}; 2413232950Stheraven 2414232950Stheraven// default_delete 2415232950Stheraven 2416227825Stheraventemplate <class _Tp> 2417262801Sdimstruct _LIBCPP_TYPE_VIS_ONLY default_delete 2418227825Stheraven{ 2419241903Sdim#ifndef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 2420241903Sdim _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR default_delete() _NOEXCEPT = default; 2421241903Sdim#else 2422241903Sdim _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR default_delete() _NOEXCEPT {} 2423241903Sdim#endif 2424227825Stheraven template <class _Up> 2425227825Stheraven _LIBCPP_INLINE_VISIBILITY default_delete(const default_delete<_Up>&, 2426227825Stheraven typename enable_if<is_convertible<_Up*, _Tp*>::value>::type* = 0) _NOEXCEPT {} 2427227825Stheraven _LIBCPP_INLINE_VISIBILITY void operator() (_Tp* __ptr) const _NOEXCEPT 2428227825Stheraven { 2429227825Stheraven static_assert(sizeof(_Tp) > 0, "default_delete can not delete incomplete type"); 2430249998Sdim static_assert(!is_void<_Tp>::value, "default_delete can not delete incomplete type"); 2431227825Stheraven delete __ptr; 2432227825Stheraven } 2433227825Stheraven}; 2434227825Stheraven 2435227825Stheraventemplate <class _Tp> 2436262801Sdimstruct _LIBCPP_TYPE_VIS_ONLY default_delete<_Tp[]> 2437227825Stheraven{ 2438232950Stheravenpublic: 2439241903Sdim#ifndef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS 2440241903Sdim _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR default_delete() _NOEXCEPT = default; 2441241903Sdim#else 2442241903Sdim _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR default_delete() _NOEXCEPT {} 2443241903Sdim#endif 2444232950Stheraven template <class _Up> 2445232950Stheraven _LIBCPP_INLINE_VISIBILITY default_delete(const default_delete<_Up[]>&, 2446232950Stheraven typename enable_if<__same_or_less_cv_qualified<_Up*, _Tp*>::value>::type* = 0) _NOEXCEPT {} 2447232950Stheraven template <class _Up> 2448232950Stheraven _LIBCPP_INLINE_VISIBILITY 2449232950Stheraven void operator() (_Up* __ptr, 2450232950Stheraven typename enable_if<__same_or_less_cv_qualified<_Up*, _Tp*>::value>::type* = 0) const _NOEXCEPT 2451227825Stheraven { 2452227825Stheraven static_assert(sizeof(_Tp) > 0, "default_delete can not delete incomplete type"); 2453249998Sdim static_assert(!is_void<_Tp>::value, "default_delete can not delete incomplete type"); 2454227825Stheraven delete [] __ptr; 2455227825Stheraven } 2456227825Stheraven}; 2457227825Stheraven 2458227825Stheraventemplate <class _Tp, class _Dp = default_delete<_Tp> > 2459262801Sdimclass _LIBCPP_TYPE_VIS_ONLY unique_ptr 2460227825Stheraven{ 2461227825Stheravenpublic: 2462227825Stheraven typedef _Tp element_type; 2463227825Stheraven typedef _Dp deleter_type; 2464227825Stheraven typedef typename __pointer_type<_Tp, deleter_type>::type pointer; 2465227825Stheravenprivate: 2466227825Stheraven __compressed_pair<pointer, deleter_type> __ptr_; 2467227825Stheraven 2468232950Stheraven#ifdef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2469227825Stheraven unique_ptr(unique_ptr&); 2470227825Stheraven template <class _Up, class _Ep> 2471227825Stheraven unique_ptr(unique_ptr<_Up, _Ep>&); 2472227825Stheraven unique_ptr& operator=(unique_ptr&); 2473227825Stheraven template <class _Up, class _Ep> 2474227825Stheraven unique_ptr& operator=(unique_ptr<_Up, _Ep>&); 2475227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2476227825Stheraven 2477227825Stheraven struct __nat {int __for_bool_;}; 2478227825Stheraven 2479227825Stheraven typedef typename remove_reference<deleter_type>::type& _Dp_reference; 2480227825Stheraven typedef const typename remove_reference<deleter_type>::type& _Dp_const_reference; 2481227825Stheravenpublic: 2482241903Sdim _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR unique_ptr() _NOEXCEPT 2483227825Stheraven : __ptr_(pointer()) 2484227825Stheraven { 2485227825Stheraven static_assert(!is_pointer<deleter_type>::value, 2486227825Stheraven "unique_ptr constructed with null function pointer deleter"); 2487227825Stheraven } 2488241903Sdim _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR unique_ptr(nullptr_t) _NOEXCEPT 2489227825Stheraven : __ptr_(pointer()) 2490227825Stheraven { 2491227825Stheraven static_assert(!is_pointer<deleter_type>::value, 2492227825Stheraven "unique_ptr constructed with null function pointer deleter"); 2493227825Stheraven } 2494227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit unique_ptr(pointer __p) _NOEXCEPT 2495227825Stheraven : __ptr_(_VSTD::move(__p)) 2496227825Stheraven { 2497227825Stheraven static_assert(!is_pointer<deleter_type>::value, 2498227825Stheraven "unique_ptr constructed with null function pointer deleter"); 2499227825Stheraven } 2500227825Stheraven 2501227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2502227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(pointer __p, typename conditional< 2503227825Stheraven is_reference<deleter_type>::value, 2504227825Stheraven deleter_type, 2505227825Stheraven typename add_lvalue_reference<const deleter_type>::type>::type __d) 2506227825Stheraven _NOEXCEPT 2507227825Stheraven : __ptr_(__p, __d) {} 2508227825Stheraven 2509227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(pointer __p, typename remove_reference<deleter_type>::type&& __d) 2510227825Stheraven _NOEXCEPT 2511227825Stheraven : __ptr_(__p, _VSTD::move(__d)) 2512227825Stheraven { 2513227825Stheraven static_assert(!is_reference<deleter_type>::value, "rvalue deleter bound to reference"); 2514227825Stheraven } 2515227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(unique_ptr&& __u) _NOEXCEPT 2516227825Stheraven : __ptr_(__u.release(), _VSTD::forward<deleter_type>(__u.get_deleter())) {} 2517227825Stheraven template <class _Up, class _Ep> 2518227825Stheraven _LIBCPP_INLINE_VISIBILITY 2519227825Stheraven unique_ptr(unique_ptr<_Up, _Ep>&& __u, 2520227825Stheraven typename enable_if 2521227825Stheraven < 2522227825Stheraven !is_array<_Up>::value && 2523227825Stheraven is_convertible<typename unique_ptr<_Up, _Ep>::pointer, pointer>::value && 2524227825Stheraven is_convertible<_Ep, deleter_type>::value && 2525227825Stheraven ( 2526227825Stheraven !is_reference<deleter_type>::value || 2527227825Stheraven is_same<deleter_type, _Ep>::value 2528227825Stheraven ), 2529227825Stheraven __nat 2530227825Stheraven >::type = __nat()) _NOEXCEPT 2531227825Stheraven : __ptr_(__u.release(), _VSTD::forward<_Ep>(__u.get_deleter())) {} 2532227825Stheraven 2533227825Stheraven template <class _Up> 2534227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(auto_ptr<_Up>&& __p, 2535227825Stheraven typename enable_if< 2536227825Stheraven is_convertible<_Up*, _Tp*>::value && 2537227825Stheraven is_same<_Dp, default_delete<_Tp> >::value, 2538227825Stheraven __nat 2539227825Stheraven >::type = __nat()) _NOEXCEPT 2540227825Stheraven : __ptr_(__p.release()) 2541227825Stheraven { 2542227825Stheraven } 2543227825Stheraven 2544227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr& operator=(unique_ptr&& __u) _NOEXCEPT 2545227825Stheraven { 2546227825Stheraven reset(__u.release()); 2547227825Stheraven __ptr_.second() = _VSTD::forward<deleter_type>(__u.get_deleter()); 2548227825Stheraven return *this; 2549227825Stheraven } 2550227825Stheraven 2551227825Stheraven template <class _Up, class _Ep> 2552227825Stheraven _LIBCPP_INLINE_VISIBILITY 2553227825Stheraven typename enable_if 2554227825Stheraven < 2555232950Stheraven !is_array<_Up>::value && 2556232950Stheraven is_convertible<typename unique_ptr<_Up, _Ep>::pointer, pointer>::value && 2557232950Stheraven is_assignable<deleter_type&, _Ep&&>::value, 2558227825Stheraven unique_ptr& 2559227825Stheraven >::type 2560227825Stheraven operator=(unique_ptr<_Up, _Ep>&& __u) _NOEXCEPT 2561227825Stheraven { 2562227825Stheraven reset(__u.release()); 2563227825Stheraven __ptr_.second() = _VSTD::forward<_Ep>(__u.get_deleter()); 2564227825Stheraven return *this; 2565227825Stheraven } 2566227825Stheraven#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2567227825Stheraven 2568227825Stheraven _LIBCPP_INLINE_VISIBILITY operator __rv<unique_ptr>() 2569227825Stheraven { 2570227825Stheraven return __rv<unique_ptr>(*this); 2571227825Stheraven } 2572227825Stheraven 2573227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(__rv<unique_ptr> __u) 2574227825Stheraven : __ptr_(__u->release(), _VSTD::forward<deleter_type>(__u->get_deleter())) {} 2575227825Stheraven 2576227825Stheraven template <class _Up, class _Ep> 2577227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr& operator=(unique_ptr<_Up, _Ep> __u) 2578227825Stheraven { 2579227825Stheraven reset(__u.release()); 2580227825Stheraven __ptr_.second() = _VSTD::forward<deleter_type>(__u.get_deleter()); 2581227825Stheraven return *this; 2582227825Stheraven } 2583227825Stheraven 2584227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(pointer __p, deleter_type __d) 2585227825Stheraven : __ptr_(_VSTD::move(__p), _VSTD::move(__d)) {} 2586227825Stheraven 2587227825Stheraven template <class _Up> 2588227825Stheraven _LIBCPP_INLINE_VISIBILITY 2589227825Stheraven typename enable_if< 2590227825Stheraven is_convertible<_Up*, _Tp*>::value && 2591227825Stheraven is_same<_Dp, default_delete<_Tp> >::value, 2592227825Stheraven unique_ptr& 2593227825Stheraven >::type 2594227825Stheraven operator=(auto_ptr<_Up> __p) 2595227825Stheraven {reset(__p.release()); return *this;} 2596227825Stheraven 2597227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2598227825Stheraven _LIBCPP_INLINE_VISIBILITY ~unique_ptr() {reset();} 2599227825Stheraven 2600227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr& operator=(nullptr_t) _NOEXCEPT 2601227825Stheraven { 2602227825Stheraven reset(); 2603227825Stheraven return *this; 2604227825Stheraven } 2605227825Stheraven 2606227825Stheraven _LIBCPP_INLINE_VISIBILITY typename add_lvalue_reference<_Tp>::type operator*() const 2607227825Stheraven {return *__ptr_.first();} 2608227825Stheraven _LIBCPP_INLINE_VISIBILITY pointer operator->() const _NOEXCEPT {return __ptr_.first();} 2609227825Stheraven _LIBCPP_INLINE_VISIBILITY pointer get() const _NOEXCEPT {return __ptr_.first();} 2610227825Stheraven _LIBCPP_INLINE_VISIBILITY _Dp_reference get_deleter() _NOEXCEPT 2611227825Stheraven {return __ptr_.second();} 2612227825Stheraven _LIBCPP_INLINE_VISIBILITY _Dp_const_reference get_deleter() const _NOEXCEPT 2613227825Stheraven {return __ptr_.second();} 2614232950Stheraven _LIBCPP_INLINE_VISIBILITY 2615232950Stheraven _LIBCPP_EXPLICIT operator bool() const _NOEXCEPT 2616232950Stheraven {return __ptr_.first() != nullptr;} 2617227825Stheraven 2618227825Stheraven _LIBCPP_INLINE_VISIBILITY pointer release() _NOEXCEPT 2619227825Stheraven { 2620227825Stheraven pointer __t = __ptr_.first(); 2621227825Stheraven __ptr_.first() = pointer(); 2622227825Stheraven return __t; 2623227825Stheraven } 2624227825Stheraven 2625227825Stheraven _LIBCPP_INLINE_VISIBILITY void reset(pointer __p = pointer()) _NOEXCEPT 2626227825Stheraven { 2627227825Stheraven pointer __tmp = __ptr_.first(); 2628227825Stheraven __ptr_.first() = __p; 2629227825Stheraven if (__tmp) 2630227825Stheraven __ptr_.second()(__tmp); 2631227825Stheraven } 2632227825Stheraven 2633227825Stheraven _LIBCPP_INLINE_VISIBILITY void swap(unique_ptr& __u) _NOEXCEPT 2634227825Stheraven {__ptr_.swap(__u.__ptr_);} 2635227825Stheraven}; 2636227825Stheraven 2637227825Stheraventemplate <class _Tp, class _Dp> 2638262801Sdimclass _LIBCPP_TYPE_VIS_ONLY unique_ptr<_Tp[], _Dp> 2639227825Stheraven{ 2640227825Stheravenpublic: 2641227825Stheraven typedef _Tp element_type; 2642227825Stheraven typedef _Dp deleter_type; 2643227825Stheraven typedef typename __pointer_type<_Tp, deleter_type>::type pointer; 2644227825Stheravenprivate: 2645227825Stheraven __compressed_pair<pointer, deleter_type> __ptr_; 2646227825Stheraven 2647232950Stheraven#ifdef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2648227825Stheraven unique_ptr(unique_ptr&); 2649227825Stheraven template <class _Up> 2650227825Stheraven unique_ptr(unique_ptr<_Up>&); 2651227825Stheraven unique_ptr& operator=(unique_ptr&); 2652227825Stheraven template <class _Up> 2653227825Stheraven unique_ptr& operator=(unique_ptr<_Up>&); 2654227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2655227825Stheraven 2656227825Stheraven struct __nat {int __for_bool_;}; 2657227825Stheraven 2658227825Stheraven typedef typename remove_reference<deleter_type>::type& _Dp_reference; 2659227825Stheraven typedef const typename remove_reference<deleter_type>::type& _Dp_const_reference; 2660227825Stheravenpublic: 2661241903Sdim _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR unique_ptr() _NOEXCEPT 2662227825Stheraven : __ptr_(pointer()) 2663227825Stheraven { 2664227825Stheraven static_assert(!is_pointer<deleter_type>::value, 2665227825Stheraven "unique_ptr constructed with null function pointer deleter"); 2666227825Stheraven } 2667241903Sdim _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR unique_ptr(nullptr_t) _NOEXCEPT 2668227825Stheraven : __ptr_(pointer()) 2669227825Stheraven { 2670227825Stheraven static_assert(!is_pointer<deleter_type>::value, 2671227825Stheraven "unique_ptr constructed with null function pointer deleter"); 2672227825Stheraven } 2673227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2674278724Sdim template <class _Pp> 2675278724Sdim _LIBCPP_INLINE_VISIBILITY explicit unique_ptr(_Pp __p, 2676278724Sdim typename enable_if<__same_or_less_cv_qualified<_Pp, pointer>::value, __nat>::type = __nat()) _NOEXCEPT 2677227825Stheraven : __ptr_(__p) 2678227825Stheraven { 2679227825Stheraven static_assert(!is_pointer<deleter_type>::value, 2680227825Stheraven "unique_ptr constructed with null function pointer deleter"); 2681227825Stheraven } 2682227825Stheraven 2683278724Sdim template <class _Pp> 2684232950Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(_Pp __p, typename conditional< 2685227825Stheraven is_reference<deleter_type>::value, 2686227825Stheraven deleter_type, 2687278724Sdim typename add_lvalue_reference<const deleter_type>::type>::type __d, 2688278724Sdim typename enable_if<__same_or_less_cv_qualified<_Pp, pointer>::value, __nat>::type = __nat()) 2689227825Stheraven _NOEXCEPT 2690227825Stheraven : __ptr_(__p, __d) {} 2691227825Stheraven 2692227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(nullptr_t, typename conditional< 2693227825Stheraven is_reference<deleter_type>::value, 2694227825Stheraven deleter_type, 2695227825Stheraven typename add_lvalue_reference<const deleter_type>::type>::type __d) 2696227825Stheraven _NOEXCEPT 2697227825Stheraven : __ptr_(pointer(), __d) {} 2698227825Stheraven 2699278724Sdim template <class _Pp> 2700278724Sdim _LIBCPP_INLINE_VISIBILITY unique_ptr(_Pp __p, 2701278724Sdim typename remove_reference<deleter_type>::type&& __d, 2702278724Sdim typename enable_if<__same_or_less_cv_qualified<_Pp, pointer>::value, __nat>::type = __nat()) 2703227825Stheraven _NOEXCEPT 2704227825Stheraven : __ptr_(__p, _VSTD::move(__d)) 2705227825Stheraven { 2706227825Stheraven static_assert(!is_reference<deleter_type>::value, "rvalue deleter bound to reference"); 2707227825Stheraven } 2708227825Stheraven 2709227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(nullptr_t, typename remove_reference<deleter_type>::type&& __d) 2710227825Stheraven _NOEXCEPT 2711227825Stheraven : __ptr_(pointer(), _VSTD::move(__d)) 2712227825Stheraven { 2713227825Stheraven static_assert(!is_reference<deleter_type>::value, "rvalue deleter bound to reference"); 2714227825Stheraven } 2715227825Stheraven 2716227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(unique_ptr&& __u) _NOEXCEPT 2717227825Stheraven : __ptr_(__u.release(), _VSTD::forward<deleter_type>(__u.get_deleter())) {} 2718227825Stheraven 2719227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr& operator=(unique_ptr&& __u) _NOEXCEPT 2720227825Stheraven { 2721227825Stheraven reset(__u.release()); 2722227825Stheraven __ptr_.second() = _VSTD::forward<deleter_type>(__u.get_deleter()); 2723227825Stheraven return *this; 2724227825Stheraven } 2725232950Stheraven 2726232950Stheraven template <class _Up, class _Ep> 2727232950Stheraven _LIBCPP_INLINE_VISIBILITY 2728232950Stheraven unique_ptr(unique_ptr<_Up, _Ep>&& __u, 2729232950Stheraven typename enable_if 2730232950Stheraven < 2731232950Stheraven is_array<_Up>::value && 2732232950Stheraven __same_or_less_cv_qualified<typename unique_ptr<_Up, _Ep>::pointer, pointer>::value 2733232950Stheraven && is_convertible<_Ep, deleter_type>::value && 2734232950Stheraven ( 2735232950Stheraven !is_reference<deleter_type>::value || 2736232950Stheraven is_same<deleter_type, _Ep>::value 2737232950Stheraven ), 2738232950Stheraven __nat 2739232950Stheraven >::type = __nat() 2740232950Stheraven ) _NOEXCEPT 2741232950Stheraven : __ptr_(__u.release(), _VSTD::forward<deleter_type>(__u.get_deleter())) {} 2742232950Stheraven 2743232950Stheraven 2744232950Stheraven template <class _Up, class _Ep> 2745232950Stheraven _LIBCPP_INLINE_VISIBILITY 2746232950Stheraven typename enable_if 2747232950Stheraven < 2748232950Stheraven is_array<_Up>::value && 2749232950Stheraven __same_or_less_cv_qualified<typename unique_ptr<_Up, _Ep>::pointer, pointer>::value && 2750232950Stheraven is_assignable<deleter_type&, _Ep&&>::value, 2751232950Stheraven unique_ptr& 2752232950Stheraven >::type 2753232950Stheraven operator=(unique_ptr<_Up, _Ep>&& __u) _NOEXCEPT 2754232950Stheraven { 2755232950Stheraven reset(__u.release()); 2756232950Stheraven __ptr_.second() = _VSTD::forward<_Ep>(__u.get_deleter()); 2757232950Stheraven return *this; 2758232950Stheraven } 2759227825Stheraven#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2760227825Stheraven 2761227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit unique_ptr(pointer __p) 2762227825Stheraven : __ptr_(__p) 2763227825Stheraven { 2764227825Stheraven static_assert(!is_pointer<deleter_type>::value, 2765227825Stheraven "unique_ptr constructed with null function pointer deleter"); 2766227825Stheraven } 2767227825Stheraven 2768227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(pointer __p, deleter_type __d) 2769227825Stheraven : __ptr_(__p, _VSTD::forward<deleter_type>(__d)) {} 2770227825Stheraven 2771227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(nullptr_t, deleter_type __d) 2772227825Stheraven : __ptr_(pointer(), _VSTD::forward<deleter_type>(__d)) {} 2773227825Stheraven 2774227825Stheraven _LIBCPP_INLINE_VISIBILITY operator __rv<unique_ptr>() 2775227825Stheraven { 2776227825Stheraven return __rv<unique_ptr>(*this); 2777227825Stheraven } 2778227825Stheraven 2779227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr(__rv<unique_ptr> __u) 2780227825Stheraven : __ptr_(__u->release(), _VSTD::forward<deleter_type>(__u->get_deleter())) {} 2781227825Stheraven 2782227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr& operator=(__rv<unique_ptr> __u) 2783227825Stheraven { 2784227825Stheraven reset(__u->release()); 2785227825Stheraven __ptr_.second() = _VSTD::forward<deleter_type>(__u->get_deleter()); 2786227825Stheraven return *this; 2787227825Stheraven } 2788227825Stheraven 2789227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2790227825Stheraven _LIBCPP_INLINE_VISIBILITY ~unique_ptr() {reset();} 2791227825Stheraven 2792227825Stheraven _LIBCPP_INLINE_VISIBILITY unique_ptr& operator=(nullptr_t) _NOEXCEPT 2793227825Stheraven { 2794227825Stheraven reset(); 2795227825Stheraven return *this; 2796227825Stheraven } 2797227825Stheraven 2798227825Stheraven _LIBCPP_INLINE_VISIBILITY typename add_lvalue_reference<_Tp>::type operator[](size_t __i) const 2799227825Stheraven {return __ptr_.first()[__i];} 2800227825Stheraven _LIBCPP_INLINE_VISIBILITY pointer get() const _NOEXCEPT {return __ptr_.first();} 2801227825Stheraven _LIBCPP_INLINE_VISIBILITY _Dp_reference get_deleter() _NOEXCEPT 2802227825Stheraven {return __ptr_.second();} 2803227825Stheraven _LIBCPP_INLINE_VISIBILITY _Dp_const_reference get_deleter() const _NOEXCEPT 2804227825Stheraven {return __ptr_.second();} 2805232950Stheraven _LIBCPP_INLINE_VISIBILITY 2806232950Stheraven _LIBCPP_EXPLICIT operator bool() const _NOEXCEPT 2807232950Stheraven {return __ptr_.first() != nullptr;} 2808227825Stheraven 2809227825Stheraven _LIBCPP_INLINE_VISIBILITY pointer release() _NOEXCEPT 2810227825Stheraven { 2811227825Stheraven pointer __t = __ptr_.first(); 2812227825Stheraven __ptr_.first() = pointer(); 2813227825Stheraven return __t; 2814227825Stheraven } 2815227825Stheraven 2816227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2817278724Sdim template <class _Pp> 2818278724Sdim _LIBCPP_INLINE_VISIBILITY 2819278724Sdim typename enable_if<__same_or_less_cv_qualified<_Pp, pointer>::value, void>::type 2820278724Sdim reset(_Pp __p) _NOEXCEPT 2821227825Stheraven { 2822227825Stheraven pointer __tmp = __ptr_.first(); 2823227825Stheraven __ptr_.first() = __p; 2824227825Stheraven if (__tmp) 2825227825Stheraven __ptr_.second()(__tmp); 2826227825Stheraven } 2827227825Stheraven _LIBCPP_INLINE_VISIBILITY void reset(nullptr_t) _NOEXCEPT 2828227825Stheraven { 2829227825Stheraven pointer __tmp = __ptr_.first(); 2830227825Stheraven __ptr_.first() = nullptr; 2831227825Stheraven if (__tmp) 2832227825Stheraven __ptr_.second()(__tmp); 2833227825Stheraven } 2834227825Stheraven _LIBCPP_INLINE_VISIBILITY void reset() _NOEXCEPT 2835227825Stheraven { 2836227825Stheraven pointer __tmp = __ptr_.first(); 2837227825Stheraven __ptr_.first() = nullptr; 2838227825Stheraven if (__tmp) 2839227825Stheraven __ptr_.second()(__tmp); 2840227825Stheraven } 2841227825Stheraven#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2842227825Stheraven _LIBCPP_INLINE_VISIBILITY void reset(pointer __p = pointer()) 2843227825Stheraven { 2844227825Stheraven pointer __tmp = __ptr_.first(); 2845227825Stheraven __ptr_.first() = __p; 2846227825Stheraven if (__tmp) 2847227825Stheraven __ptr_.second()(__tmp); 2848227825Stheraven } 2849227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2850227825Stheraven 2851227825Stheraven _LIBCPP_INLINE_VISIBILITY void swap(unique_ptr& __u) {__ptr_.swap(__u.__ptr_);} 2852227825Stheravenprivate: 2853227825Stheraven 2854227825Stheraven#ifdef _LIBCPP_HAS_NO_RVALUE_REFERENCES 2855227825Stheraven template <class _Up> 2856227825Stheraven explicit unique_ptr(_Up); 2857227825Stheraven template <class _Up> 2858227825Stheraven unique_ptr(_Up __u, 2859227825Stheraven typename conditional< 2860227825Stheraven is_reference<deleter_type>::value, 2861227825Stheraven deleter_type, 2862227825Stheraven typename add_lvalue_reference<const deleter_type>::type>::type, 2863227825Stheraven typename enable_if 2864227825Stheraven < 2865227825Stheraven is_convertible<_Up, pointer>::value, 2866227825Stheraven __nat 2867227825Stheraven >::type = __nat()); 2868227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 2869227825Stheraven}; 2870227825Stheraven 2871227825Stheraventemplate <class _Tp, class _Dp> 2872227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 2873227825Stheravenvoid 2874227825Stheravenswap(unique_ptr<_Tp, _Dp>& __x, unique_ptr<_Tp, _Dp>& __y) _NOEXCEPT {__x.swap(__y);} 2875227825Stheraven 2876227825Stheraventemplate <class _T1, class _D1, class _T2, class _D2> 2877227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 2878227825Stheravenbool 2879227825Stheravenoperator==(const unique_ptr<_T1, _D1>& __x, const unique_ptr<_T2, _D2>& __y) {return __x.get() == __y.get();} 2880227825Stheraven 2881227825Stheraventemplate <class _T1, class _D1, class _T2, class _D2> 2882227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 2883227825Stheravenbool 2884227825Stheravenoperator!=(const unique_ptr<_T1, _D1>& __x, const unique_ptr<_T2, _D2>& __y) {return !(__x == __y);} 2885227825Stheraven 2886227825Stheraventemplate <class _T1, class _D1, class _T2, class _D2> 2887227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 2888227825Stheravenbool 2889232950Stheravenoperator< (const unique_ptr<_T1, _D1>& __x, const unique_ptr<_T2, _D2>& __y) 2890232950Stheraven{ 2891232950Stheraven typedef typename unique_ptr<_T1, _D1>::pointer _P1; 2892232950Stheraven typedef typename unique_ptr<_T2, _D2>::pointer _P2; 2893232950Stheraven typedef typename common_type<_P1, _P2>::type _V; 2894232950Stheraven return less<_V>()(__x.get(), __y.get()); 2895232950Stheraven} 2896227825Stheraven 2897227825Stheraventemplate <class _T1, class _D1, class _T2, class _D2> 2898227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 2899227825Stheravenbool 2900227825Stheravenoperator> (const unique_ptr<_T1, _D1>& __x, const unique_ptr<_T2, _D2>& __y) {return __y < __x;} 2901227825Stheraven 2902227825Stheraventemplate <class _T1, class _D1, class _T2, class _D2> 2903227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 2904227825Stheravenbool 2905227825Stheravenoperator<=(const unique_ptr<_T1, _D1>& __x, const unique_ptr<_T2, _D2>& __y) {return !(__y < __x);} 2906227825Stheraven 2907227825Stheraventemplate <class _T1, class _D1, class _T2, class _D2> 2908227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 2909227825Stheravenbool 2910227825Stheravenoperator>=(const unique_ptr<_T1, _D1>& __x, const unique_ptr<_T2, _D2>& __y) {return !(__x < __y);} 2911227825Stheraven 2912232950Stheraventemplate <class _T1, class _D1> 2913232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 2914232950Stheravenbool 2915241903Sdimoperator==(const unique_ptr<_T1, _D1>& __x, nullptr_t) _NOEXCEPT 2916232950Stheraven{ 2917232950Stheraven return !__x; 2918232950Stheraven} 2919232950Stheraven 2920232950Stheraventemplate <class _T1, class _D1> 2921232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 2922232950Stheravenbool 2923241903Sdimoperator==(nullptr_t, const unique_ptr<_T1, _D1>& __x) _NOEXCEPT 2924232950Stheraven{ 2925232950Stheraven return !__x; 2926232950Stheraven} 2927232950Stheraven 2928232950Stheraventemplate <class _T1, class _D1> 2929232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 2930232950Stheravenbool 2931241903Sdimoperator!=(const unique_ptr<_T1, _D1>& __x, nullptr_t) _NOEXCEPT 2932232950Stheraven{ 2933232950Stheraven return static_cast<bool>(__x); 2934232950Stheraven} 2935232950Stheraven 2936232950Stheraventemplate <class _T1, class _D1> 2937232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 2938232950Stheravenbool 2939241903Sdimoperator!=(nullptr_t, const unique_ptr<_T1, _D1>& __x) _NOEXCEPT 2940232950Stheraven{ 2941232950Stheraven return static_cast<bool>(__x); 2942232950Stheraven} 2943232950Stheraven 2944232950Stheraventemplate <class _T1, class _D1> 2945232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 2946232950Stheravenbool 2947232950Stheravenoperator<(const unique_ptr<_T1, _D1>& __x, nullptr_t) 2948232950Stheraven{ 2949232950Stheraven typedef typename unique_ptr<_T1, _D1>::pointer _P1; 2950232950Stheraven return less<_P1>()(__x.get(), nullptr); 2951232950Stheraven} 2952232950Stheraven 2953232950Stheraventemplate <class _T1, class _D1> 2954232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 2955232950Stheravenbool 2956232950Stheravenoperator<(nullptr_t, const unique_ptr<_T1, _D1>& __x) 2957232950Stheraven{ 2958232950Stheraven typedef typename unique_ptr<_T1, _D1>::pointer _P1; 2959232950Stheraven return less<_P1>()(nullptr, __x.get()); 2960232950Stheraven} 2961232950Stheraven 2962232950Stheraventemplate <class _T1, class _D1> 2963232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 2964232950Stheravenbool 2965232950Stheravenoperator>(const unique_ptr<_T1, _D1>& __x, nullptr_t) 2966232950Stheraven{ 2967232950Stheraven return nullptr < __x; 2968232950Stheraven} 2969232950Stheraven 2970232950Stheraventemplate <class _T1, class _D1> 2971232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 2972232950Stheravenbool 2973232950Stheravenoperator>(nullptr_t, const unique_ptr<_T1, _D1>& __x) 2974232950Stheraven{ 2975232950Stheraven return __x < nullptr; 2976232950Stheraven} 2977232950Stheraven 2978232950Stheraventemplate <class _T1, class _D1> 2979232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 2980232950Stheravenbool 2981232950Stheravenoperator<=(const unique_ptr<_T1, _D1>& __x, nullptr_t) 2982232950Stheraven{ 2983232950Stheraven return !(nullptr < __x); 2984232950Stheraven} 2985232950Stheraven 2986232950Stheraventemplate <class _T1, class _D1> 2987232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 2988232950Stheravenbool 2989232950Stheravenoperator<=(nullptr_t, const unique_ptr<_T1, _D1>& __x) 2990232950Stheraven{ 2991232950Stheraven return !(__x < nullptr); 2992232950Stheraven} 2993232950Stheraven 2994232950Stheraventemplate <class _T1, class _D1> 2995232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 2996232950Stheravenbool 2997232950Stheravenoperator>=(const unique_ptr<_T1, _D1>& __x, nullptr_t) 2998232950Stheraven{ 2999232950Stheraven return !(__x < nullptr); 3000232950Stheraven} 3001232950Stheraven 3002232950Stheraventemplate <class _T1, class _D1> 3003232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 3004232950Stheravenbool 3005232950Stheravenoperator>=(nullptr_t, const unique_ptr<_T1, _D1>& __x) 3006232950Stheraven{ 3007232950Stheraven return !(nullptr < __x); 3008232950Stheraven} 3009232950Stheraven 3010234976Stheraven#ifdef _LIBCPP_HAS_NO_RVALUE_REFERENCES 3011234976Stheraven 3012234976Stheraventemplate <class _Tp, class _Dp> 3013234976Stheraveninline _LIBCPP_INLINE_VISIBILITY 3014234976Stheravenunique_ptr<_Tp, _Dp> 3015234976Stheravenmove(unique_ptr<_Tp, _Dp>& __t) 3016234976Stheraven{ 3017234976Stheraven return unique_ptr<_Tp, _Dp>(__rv<unique_ptr<_Tp, _Dp> >(__t)); 3018234976Stheraven} 3019234976Stheraven 3020234976Stheraven#endif 3021234976Stheraven 3022253159Stheraven#if _LIBCPP_STD_VER > 11 3023253159Stheraven 3024253159Stheraventemplate<class _Tp> 3025253159Stheravenstruct __unique_if 3026253159Stheraven{ 3027253159Stheraven typedef unique_ptr<_Tp> __unique_single; 3028253159Stheraven}; 3029253159Stheraven 3030253159Stheraventemplate<class _Tp> 3031253159Stheravenstruct __unique_if<_Tp[]> 3032253159Stheraven{ 3033253159Stheraven typedef unique_ptr<_Tp[]> __unique_array_unknown_bound; 3034253159Stheraven}; 3035253159Stheraven 3036253159Stheraventemplate<class _Tp, size_t _Np> 3037253159Stheravenstruct __unique_if<_Tp[_Np]> 3038253159Stheraven{ 3039253159Stheraven typedef void __unique_array_known_bound; 3040253159Stheraven}; 3041253159Stheraven 3042253159Stheraventemplate<class _Tp, class... _Args> 3043253159Stheraveninline _LIBCPP_INLINE_VISIBILITY 3044253159Stheraventypename __unique_if<_Tp>::__unique_single 3045253159Stheravenmake_unique(_Args&&... __args) 3046253159Stheraven{ 3047253159Stheraven return unique_ptr<_Tp>(new _Tp(_VSTD::forward<_Args>(__args)...)); 3048253159Stheraven} 3049253159Stheraven 3050253159Stheraventemplate<class _Tp> 3051253159Stheraveninline _LIBCPP_INLINE_VISIBILITY 3052253159Stheraventypename __unique_if<_Tp>::__unique_array_unknown_bound 3053253159Stheravenmake_unique(size_t __n) 3054253159Stheraven{ 3055253159Stheraven typedef typename remove_extent<_Tp>::type _Up; 3056253159Stheraven return unique_ptr<_Tp>(new _Up[__n]()); 3057253159Stheraven} 3058253159Stheraven 3059253159Stheraventemplate<class _Tp, class... _Args> 3060253159Stheraven typename __unique_if<_Tp>::__unique_array_known_bound 3061253159Stheraven make_unique(_Args&&...) = delete; 3062253159Stheraven 3063253159Stheraven#endif // _LIBCPP_STD_VER > 11 3064253159Stheraven 3065227825Stheraventemplate <class _Tp> struct hash; 3066227825Stheraven 3067253159Stheraventemplate <class _Size> 3068253159Stheraveninline _LIBCPP_INLINE_VISIBILITY 3069253159Stheraven_Size 3070253159Stheraven__loadword(const void* __p) 3071253159Stheraven{ 3072253159Stheraven _Size __r; 3073253159Stheraven std::memcpy(&__r, __p, sizeof(__r)); 3074253159Stheraven return __r; 3075253159Stheraven} 3076253159Stheraven 3077232950Stheraven// We use murmur2 when size_t is 32 bits, and cityhash64 when size_t 3078232950Stheraven// is 64 bits. This is because cityhash64 uses 64bit x 64bit 3079232950Stheraven// multiplication, which can be very slow on 32-bit systems. 3080232950Stheraventemplate <class _Size, size_t = sizeof(_Size)*__CHAR_BIT__> 3081232950Stheravenstruct __murmur2_or_cityhash; 3082232950Stheraven 3083232950Stheraventemplate <class _Size> 3084232950Stheravenstruct __murmur2_or_cityhash<_Size, 32> 3085227825Stheraven{ 3086232950Stheraven _Size operator()(const void* __key, _Size __len); 3087232950Stheraven}; 3088232950Stheraven 3089232950Stheraven// murmur2 3090232950Stheraventemplate <class _Size> 3091232950Stheraven_Size 3092232950Stheraven__murmur2_or_cityhash<_Size, 32>::operator()(const void* __key, _Size __len) 3093232950Stheraven{ 3094232950Stheraven const _Size __m = 0x5bd1e995; 3095232950Stheraven const _Size __r = 24; 3096232950Stheraven _Size __h = __len; 3097232950Stheraven const unsigned char* __data = static_cast<const unsigned char*>(__key); 3098232950Stheraven for (; __len >= 4; __data += 4, __len -= 4) 3099232950Stheraven { 3100253159Stheraven _Size __k = __loadword<_Size>(__data); 3101232950Stheraven __k *= __m; 3102232950Stheraven __k ^= __k >> __r; 3103232950Stheraven __k *= __m; 3104232950Stheraven __h *= __m; 3105232950Stheraven __h ^= __k; 3106232950Stheraven } 3107232950Stheraven switch (__len) 3108232950Stheraven { 3109232950Stheraven case 3: 3110232950Stheraven __h ^= __data[2] << 16; 3111232950Stheraven case 2: 3112232950Stheraven __h ^= __data[1] << 8; 3113232950Stheraven case 1: 3114232950Stheraven __h ^= __data[0]; 3115232950Stheraven __h *= __m; 3116232950Stheraven } 3117232950Stheraven __h ^= __h >> 13; 3118232950Stheraven __h *= __m; 3119232950Stheraven __h ^= __h >> 15; 3120232950Stheraven return __h; 3121232950Stheraven} 3122232950Stheraven 3123232950Stheraventemplate <class _Size> 3124232950Stheravenstruct __murmur2_or_cityhash<_Size, 64> 3125232950Stheraven{ 3126232950Stheraven _Size operator()(const void* __key, _Size __len); 3127232950Stheraven 3128232950Stheraven private: 3129232950Stheraven // Some primes between 2^63 and 2^64. 3130232950Stheraven static const _Size __k0 = 0xc3a5c85c97cb3127ULL; 3131232950Stheraven static const _Size __k1 = 0xb492b66fbe98f273ULL; 3132232950Stheraven static const _Size __k2 = 0x9ae16a3b2f90404fULL; 3133232950Stheraven static const _Size __k3 = 0xc949d7c7509e6557ULL; 3134232950Stheraven 3135232950Stheraven static _Size __rotate(_Size __val, int __shift) { 3136232950Stheraven return __shift == 0 ? __val : ((__val >> __shift) | (__val << (64 - __shift))); 3137232950Stheraven } 3138232950Stheraven 3139232950Stheraven static _Size __rotate_by_at_least_1(_Size __val, int __shift) { 3140232950Stheraven return (__val >> __shift) | (__val << (64 - __shift)); 3141232950Stheraven } 3142232950Stheraven 3143232950Stheraven static _Size __shift_mix(_Size __val) { 3144232950Stheraven return __val ^ (__val >> 47); 3145232950Stheraven } 3146232950Stheraven 3147232950Stheraven static _Size __hash_len_16(_Size __u, _Size __v) { 3148232950Stheraven const _Size __mul = 0x9ddfea08eb382d69ULL; 3149232950Stheraven _Size __a = (__u ^ __v) * __mul; 3150232950Stheraven __a ^= (__a >> 47); 3151232950Stheraven _Size __b = (__v ^ __a) * __mul; 3152232950Stheraven __b ^= (__b >> 47); 3153232950Stheraven __b *= __mul; 3154232950Stheraven return __b; 3155232950Stheraven } 3156232950Stheraven 3157232950Stheraven static _Size __hash_len_0_to_16(const char* __s, _Size __len) { 3158232950Stheraven if (__len > 8) { 3159253159Stheraven const _Size __a = __loadword<_Size>(__s); 3160253159Stheraven const _Size __b = __loadword<_Size>(__s + __len - 8); 3161232950Stheraven return __hash_len_16(__a, __rotate_by_at_least_1(__b + __len, __len)) ^ __b; 3162232950Stheraven } 3163232950Stheraven if (__len >= 4) { 3164253159Stheraven const uint32_t __a = __loadword<uint32_t>(__s); 3165253159Stheraven const uint32_t __b = __loadword<uint32_t>(__s + __len - 4); 3166232950Stheraven return __hash_len_16(__len + (__a << 3), __b); 3167232950Stheraven } 3168232950Stheraven if (__len > 0) { 3169232950Stheraven const unsigned char __a = __s[0]; 3170232950Stheraven const unsigned char __b = __s[__len >> 1]; 3171232950Stheraven const unsigned char __c = __s[__len - 1]; 3172232950Stheraven const uint32_t __y = static_cast<uint32_t>(__a) + 3173232950Stheraven (static_cast<uint32_t>(__b) << 8); 3174232950Stheraven const uint32_t __z = __len + (static_cast<uint32_t>(__c) << 2); 3175232950Stheraven return __shift_mix(__y * __k2 ^ __z * __k3) * __k2; 3176232950Stheraven } 3177232950Stheraven return __k2; 3178232950Stheraven } 3179232950Stheraven 3180232950Stheraven static _Size __hash_len_17_to_32(const char *__s, _Size __len) { 3181253159Stheraven const _Size __a = __loadword<_Size>(__s) * __k1; 3182253159Stheraven const _Size __b = __loadword<_Size>(__s + 8); 3183253159Stheraven const _Size __c = __loadword<_Size>(__s + __len - 8) * __k2; 3184253159Stheraven const _Size __d = __loadword<_Size>(__s + __len - 16) * __k0; 3185232950Stheraven return __hash_len_16(__rotate(__a - __b, 43) + __rotate(__c, 30) + __d, 3186232950Stheraven __a + __rotate(__b ^ __k3, 20) - __c + __len); 3187232950Stheraven } 3188232950Stheraven 3189232950Stheraven // Return a 16-byte hash for 48 bytes. Quick and dirty. 3190232950Stheraven // Callers do best to use "random-looking" values for a and b. 3191232950Stheraven static pair<_Size, _Size> __weak_hash_len_32_with_seeds( 3192232950Stheraven _Size __w, _Size __x, _Size __y, _Size __z, _Size __a, _Size __b) { 3193232950Stheraven __a += __w; 3194232950Stheraven __b = __rotate(__b + __a + __z, 21); 3195232950Stheraven const _Size __c = __a; 3196232950Stheraven __a += __x; 3197232950Stheraven __a += __y; 3198232950Stheraven __b += __rotate(__a, 44); 3199232950Stheraven return pair<_Size, _Size>(__a + __z, __b + __c); 3200232950Stheraven } 3201232950Stheraven 3202232950Stheraven // Return a 16-byte hash for s[0] ... s[31], a, and b. Quick and dirty. 3203232950Stheraven static pair<_Size, _Size> __weak_hash_len_32_with_seeds( 3204232950Stheraven const char* __s, _Size __a, _Size __b) { 3205253159Stheraven return __weak_hash_len_32_with_seeds(__loadword<_Size>(__s), 3206253159Stheraven __loadword<_Size>(__s + 8), 3207253159Stheraven __loadword<_Size>(__s + 16), 3208253159Stheraven __loadword<_Size>(__s + 24), 3209232950Stheraven __a, 3210232950Stheraven __b); 3211232950Stheraven } 3212232950Stheraven 3213232950Stheraven // Return an 8-byte hash for 33 to 64 bytes. 3214232950Stheraven static _Size __hash_len_33_to_64(const char *__s, size_t __len) { 3215253159Stheraven _Size __z = __loadword<_Size>(__s + 24); 3216253159Stheraven _Size __a = __loadword<_Size>(__s) + 3217253159Stheraven (__len + __loadword<_Size>(__s + __len - 16)) * __k0; 3218232950Stheraven _Size __b = __rotate(__a + __z, 52); 3219232950Stheraven _Size __c = __rotate(__a, 37); 3220253159Stheraven __a += __loadword<_Size>(__s + 8); 3221232950Stheraven __c += __rotate(__a, 7); 3222253159Stheraven __a += __loadword<_Size>(__s + 16); 3223232950Stheraven _Size __vf = __a + __z; 3224232950Stheraven _Size __vs = __b + __rotate(__a, 31) + __c; 3225253159Stheraven __a = __loadword<_Size>(__s + 16) + __loadword<_Size>(__s + __len - 32); 3226253159Stheraven __z += __loadword<_Size>(__s + __len - 8); 3227232950Stheraven __b = __rotate(__a + __z, 52); 3228232950Stheraven __c = __rotate(__a, 37); 3229253159Stheraven __a += __loadword<_Size>(__s + __len - 24); 3230232950Stheraven __c += __rotate(__a, 7); 3231253159Stheraven __a += __loadword<_Size>(__s + __len - 16); 3232232950Stheraven _Size __wf = __a + __z; 3233232950Stheraven _Size __ws = __b + __rotate(__a, 31) + __c; 3234232950Stheraven _Size __r = __shift_mix((__vf + __ws) * __k2 + (__wf + __vs) * __k0); 3235232950Stheraven return __shift_mix(__r * __k0 + __vs) * __k2; 3236232950Stheraven } 3237232950Stheraven}; 3238232950Stheraven 3239232950Stheraven// cityhash64 3240232950Stheraventemplate <class _Size> 3241232950Stheraven_Size 3242232950Stheraven__murmur2_or_cityhash<_Size, 64>::operator()(const void* __key, _Size __len) 3243232950Stheraven{ 3244232950Stheraven const char* __s = static_cast<const char*>(__key); 3245232950Stheraven if (__len <= 32) { 3246232950Stheraven if (__len <= 16) { 3247232950Stheraven return __hash_len_0_to_16(__s, __len); 3248232950Stheraven } else { 3249232950Stheraven return __hash_len_17_to_32(__s, __len); 3250232950Stheraven } 3251232950Stheraven } else if (__len <= 64) { 3252232950Stheraven return __hash_len_33_to_64(__s, __len); 3253232950Stheraven } 3254232950Stheraven 3255232950Stheraven // For strings over 64 bytes we hash the end first, and then as we 3256232950Stheraven // loop we keep 56 bytes of state: v, w, x, y, and z. 3257253159Stheraven _Size __x = __loadword<_Size>(__s + __len - 40); 3258253159Stheraven _Size __y = __loadword<_Size>(__s + __len - 16) + 3259253159Stheraven __loadword<_Size>(__s + __len - 56); 3260253159Stheraven _Size __z = __hash_len_16(__loadword<_Size>(__s + __len - 48) + __len, 3261253159Stheraven __loadword<_Size>(__s + __len - 24)); 3262232950Stheraven pair<_Size, _Size> __v = __weak_hash_len_32_with_seeds(__s + __len - 64, __len, __z); 3263232950Stheraven pair<_Size, _Size> __w = __weak_hash_len_32_with_seeds(__s + __len - 32, __y + __k1, __x); 3264253159Stheraven __x = __x * __k1 + __loadword<_Size>(__s); 3265232950Stheraven 3266232950Stheraven // Decrease len to the nearest multiple of 64, and operate on 64-byte chunks. 3267232950Stheraven __len = (__len - 1) & ~static_cast<_Size>(63); 3268232950Stheraven do { 3269253159Stheraven __x = __rotate(__x + __y + __v.first + __loadword<_Size>(__s + 8), 37) * __k1; 3270253159Stheraven __y = __rotate(__y + __v.second + __loadword<_Size>(__s + 48), 42) * __k1; 3271232950Stheraven __x ^= __w.second; 3272253159Stheraven __y += __v.first + __loadword<_Size>(__s + 40); 3273232950Stheraven __z = __rotate(__z + __w.first, 33) * __k1; 3274232950Stheraven __v = __weak_hash_len_32_with_seeds(__s, __v.second * __k1, __x + __w.first); 3275232950Stheraven __w = __weak_hash_len_32_with_seeds(__s + 32, __z + __w.second, 3276253159Stheraven __y + __loadword<_Size>(__s + 16)); 3277232950Stheraven std::swap(__z, __x); 3278232950Stheraven __s += 64; 3279232950Stheraven __len -= 64; 3280232950Stheraven } while (__len != 0); 3281232950Stheraven return __hash_len_16( 3282232950Stheraven __hash_len_16(__v.first, __w.first) + __shift_mix(__y) * __k1 + __z, 3283232950Stheraven __hash_len_16(__v.second, __w.second) + __x); 3284232950Stheraven} 3285232950Stheraven 3286232950Stheraventemplate <class _Tp, size_t = sizeof(_Tp) / sizeof(size_t)> 3287232950Stheravenstruct __scalar_hash; 3288232950Stheraven 3289232950Stheraventemplate <class _Tp> 3290232950Stheravenstruct __scalar_hash<_Tp, 0> 3291232950Stheraven : public unary_function<_Tp, size_t> 3292232950Stheraven{ 3293227825Stheraven _LIBCPP_INLINE_VISIBILITY 3294232950Stheraven size_t operator()(_Tp __v) const _NOEXCEPT 3295227825Stheraven { 3296232950Stheraven union 3297232950Stheraven { 3298232950Stheraven _Tp __t; 3299232950Stheraven size_t __a; 3300232950Stheraven } __u; 3301232950Stheraven __u.__a = 0; 3302232950Stheraven __u.__t = __v; 3303232950Stheraven return __u.__a; 3304227825Stheraven } 3305227825Stheraven}; 3306227825Stheraven 3307232950Stheraventemplate <class _Tp> 3308232950Stheravenstruct __scalar_hash<_Tp, 1> 3309232950Stheraven : public unary_function<_Tp, size_t> 3310232950Stheraven{ 3311232950Stheraven _LIBCPP_INLINE_VISIBILITY 3312232950Stheraven size_t operator()(_Tp __v) const _NOEXCEPT 3313232950Stheraven { 3314232950Stheraven union 3315232950Stheraven { 3316232950Stheraven _Tp __t; 3317232950Stheraven size_t __a; 3318232950Stheraven } __u; 3319232950Stheraven __u.__t = __v; 3320232950Stheraven return __u.__a; 3321232950Stheraven } 3322232950Stheraven}; 3323232950Stheraven 3324232950Stheraventemplate <class _Tp> 3325232950Stheravenstruct __scalar_hash<_Tp, 2> 3326232950Stheraven : public unary_function<_Tp, size_t> 3327232950Stheraven{ 3328232950Stheraven _LIBCPP_INLINE_VISIBILITY 3329232950Stheraven size_t operator()(_Tp __v) const _NOEXCEPT 3330232950Stheraven { 3331232950Stheraven union 3332232950Stheraven { 3333232950Stheraven _Tp __t; 3334232950Stheraven struct 3335232950Stheraven { 3336232950Stheraven size_t __a; 3337232950Stheraven size_t __b; 3338232950Stheraven }; 3339232950Stheraven } __u; 3340232950Stheraven __u.__t = __v; 3341232950Stheraven return __murmur2_or_cityhash<size_t>()(&__u, sizeof(__u)); 3342232950Stheraven } 3343232950Stheraven}; 3344232950Stheraven 3345232950Stheraventemplate <class _Tp> 3346232950Stheravenstruct __scalar_hash<_Tp, 3> 3347232950Stheraven : public unary_function<_Tp, size_t> 3348232950Stheraven{ 3349232950Stheraven _LIBCPP_INLINE_VISIBILITY 3350232950Stheraven size_t operator()(_Tp __v) const _NOEXCEPT 3351232950Stheraven { 3352232950Stheraven union 3353232950Stheraven { 3354232950Stheraven _Tp __t; 3355232950Stheraven struct 3356232950Stheraven { 3357232950Stheraven size_t __a; 3358232950Stheraven size_t __b; 3359232950Stheraven size_t __c; 3360232950Stheraven }; 3361232950Stheraven } __u; 3362232950Stheraven __u.__t = __v; 3363232950Stheraven return __murmur2_or_cityhash<size_t>()(&__u, sizeof(__u)); 3364232950Stheraven } 3365232950Stheraven}; 3366232950Stheraven 3367232950Stheraventemplate <class _Tp> 3368232950Stheravenstruct __scalar_hash<_Tp, 4> 3369232950Stheraven : public unary_function<_Tp, size_t> 3370232950Stheraven{ 3371232950Stheraven _LIBCPP_INLINE_VISIBILITY 3372232950Stheraven size_t operator()(_Tp __v) const _NOEXCEPT 3373232950Stheraven { 3374232950Stheraven union 3375232950Stheraven { 3376232950Stheraven _Tp __t; 3377232950Stheraven struct 3378232950Stheraven { 3379232950Stheraven size_t __a; 3380232950Stheraven size_t __b; 3381232950Stheraven size_t __c; 3382232950Stheraven size_t __d; 3383232950Stheraven }; 3384232950Stheraven } __u; 3385232950Stheraven __u.__t = __v; 3386232950Stheraven return __murmur2_or_cityhash<size_t>()(&__u, sizeof(__u)); 3387232950Stheraven } 3388232950Stheraven}; 3389232950Stheraven 3390232950Stheraventemplate<class _Tp> 3391262801Sdimstruct _LIBCPP_TYPE_VIS_ONLY hash<_Tp*> 3392241903Sdim : public unary_function<_Tp*, size_t> 3393232950Stheraven{ 3394241903Sdim _LIBCPP_INLINE_VISIBILITY 3395241903Sdim size_t operator()(_Tp* __v) const _NOEXCEPT 3396241903Sdim { 3397241903Sdim union 3398241903Sdim { 3399241903Sdim _Tp* __t; 3400241903Sdim size_t __a; 3401241903Sdim } __u; 3402241903Sdim __u.__t = __v; 3403241903Sdim return __murmur2_or_cityhash<size_t>()(&__u, sizeof(__u)); 3404241903Sdim } 3405232950Stheraven}; 3406232950Stheraven 3407227825Stheraventemplate <class _Tp, class _Dp> 3408262801Sdimstruct _LIBCPP_TYPE_VIS_ONLY hash<unique_ptr<_Tp, _Dp> > 3409227825Stheraven{ 3410227825Stheraven typedef unique_ptr<_Tp, _Dp> argument_type; 3411227825Stheraven typedef size_t result_type; 3412227825Stheraven _LIBCPP_INLINE_VISIBILITY 3413227825Stheraven result_type operator()(const argument_type& __ptr) const _NOEXCEPT 3414227825Stheraven { 3415227825Stheraven typedef typename argument_type::pointer pointer; 3416227825Stheraven return hash<pointer>()(__ptr.get()); 3417227825Stheraven } 3418227825Stheraven}; 3419227825Stheraven 3420227825Stheravenstruct __destruct_n 3421227825Stheraven{ 3422227825Stheravenprivate: 3423227825Stheraven size_t size; 3424227825Stheraven 3425227825Stheraven template <class _Tp> 3426227825Stheraven _LIBCPP_INLINE_VISIBILITY void __process(_Tp* __p, false_type) _NOEXCEPT 3427227825Stheraven {for (size_t __i = 0; __i < size; ++__i, ++__p) __p->~_Tp();} 3428227825Stheraven 3429227825Stheraven template <class _Tp> 3430227825Stheraven _LIBCPP_INLINE_VISIBILITY void __process(_Tp*, true_type) _NOEXCEPT 3431227825Stheraven {} 3432227825Stheraven 3433227825Stheraven _LIBCPP_INLINE_VISIBILITY void __incr(false_type) _NOEXCEPT 3434227825Stheraven {++size;} 3435227825Stheraven _LIBCPP_INLINE_VISIBILITY void __incr(true_type) _NOEXCEPT 3436227825Stheraven {} 3437227825Stheraven 3438227825Stheraven _LIBCPP_INLINE_VISIBILITY void __set(size_t __s, false_type) _NOEXCEPT 3439227825Stheraven {size = __s;} 3440227825Stheraven _LIBCPP_INLINE_VISIBILITY void __set(size_t, true_type) _NOEXCEPT 3441227825Stheraven {} 3442227825Stheravenpublic: 3443227825Stheraven _LIBCPP_INLINE_VISIBILITY explicit __destruct_n(size_t __s) _NOEXCEPT 3444227825Stheraven : size(__s) {} 3445227825Stheraven 3446227825Stheraven template <class _Tp> 3447227825Stheraven _LIBCPP_INLINE_VISIBILITY void __incr(_Tp*) _NOEXCEPT 3448227825Stheraven {__incr(integral_constant<bool, is_trivially_destructible<_Tp>::value>());} 3449227825Stheraven 3450227825Stheraven template <class _Tp> 3451227825Stheraven _LIBCPP_INLINE_VISIBILITY void __set(size_t __s, _Tp*) _NOEXCEPT 3452227825Stheraven {__set(__s, integral_constant<bool, is_trivially_destructible<_Tp>::value>());} 3453227825Stheraven 3454227825Stheraven template <class _Tp> 3455227825Stheraven _LIBCPP_INLINE_VISIBILITY void operator()(_Tp* __p) _NOEXCEPT 3456227825Stheraven {__process(__p, integral_constant<bool, is_trivially_destructible<_Tp>::value>());} 3457227825Stheraven}; 3458227825Stheraven 3459227825Stheraventemplate <class _Alloc> 3460227825Stheravenclass __allocator_destructor 3461227825Stheraven{ 3462227825Stheraven typedef allocator_traits<_Alloc> __alloc_traits; 3463227825Stheravenpublic: 3464227825Stheraven typedef typename __alloc_traits::pointer pointer; 3465227825Stheraven typedef typename __alloc_traits::size_type size_type; 3466227825Stheravenprivate: 3467227825Stheraven _Alloc& __alloc_; 3468227825Stheraven size_type __s_; 3469227825Stheravenpublic: 3470227825Stheraven _LIBCPP_INLINE_VISIBILITY __allocator_destructor(_Alloc& __a, size_type __s) 3471227825Stheraven _NOEXCEPT 3472227825Stheraven : __alloc_(__a), __s_(__s) {} 3473227825Stheraven _LIBCPP_INLINE_VISIBILITY 3474227825Stheraven void operator()(pointer __p) _NOEXCEPT 3475227825Stheraven {__alloc_traits::deallocate(__alloc_, __p, __s_);} 3476227825Stheraven}; 3477227825Stheraven 3478227825Stheraventemplate <class _InputIterator, class _ForwardIterator> 3479227825Stheraven_ForwardIterator 3480227825Stheravenuninitialized_copy(_InputIterator __f, _InputIterator __l, _ForwardIterator __r) 3481227825Stheraven{ 3482227825Stheraven typedef typename iterator_traits<_ForwardIterator>::value_type value_type; 3483232950Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 3484232950Stheraven _ForwardIterator __s = __r; 3485232950Stheraven try 3486232950Stheraven { 3487232950Stheraven#endif 3488232950Stheraven for (; __f != __l; ++__f, ++__r) 3489232950Stheraven ::new(&*__r) value_type(*__f); 3490232950Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 3491232950Stheraven } 3492232950Stheraven catch (...) 3493232950Stheraven { 3494232950Stheraven for (; __s != __r; ++__s) 3495232950Stheraven __s->~value_type(); 3496232950Stheraven throw; 3497232950Stheraven } 3498232950Stheraven#endif 3499227825Stheraven return __r; 3500227825Stheraven} 3501227825Stheraven 3502227825Stheraventemplate <class _InputIterator, class _Size, class _ForwardIterator> 3503227825Stheraven_ForwardIterator 3504227825Stheravenuninitialized_copy_n(_InputIterator __f, _Size __n, _ForwardIterator __r) 3505227825Stheraven{ 3506227825Stheraven typedef typename iterator_traits<_ForwardIterator>::value_type value_type; 3507232950Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 3508232950Stheraven _ForwardIterator __s = __r; 3509232950Stheraven try 3510232950Stheraven { 3511232950Stheraven#endif 3512232950Stheraven for (; __n > 0; ++__f, ++__r, --__n) 3513232950Stheraven ::new(&*__r) value_type(*__f); 3514232950Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 3515232950Stheraven } 3516232950Stheraven catch (...) 3517232950Stheraven { 3518232950Stheraven for (; __s != __r; ++__s) 3519232950Stheraven __s->~value_type(); 3520232950Stheraven throw; 3521232950Stheraven } 3522232950Stheraven#endif 3523227825Stheraven return __r; 3524227825Stheraven} 3525227825Stheraven 3526227825Stheraventemplate <class _ForwardIterator, class _Tp> 3527227825Stheravenvoid 3528227825Stheravenuninitialized_fill(_ForwardIterator __f, _ForwardIterator __l, const _Tp& __x) 3529227825Stheraven{ 3530227825Stheraven typedef typename iterator_traits<_ForwardIterator>::value_type value_type; 3531232950Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 3532232950Stheraven _ForwardIterator __s = __f; 3533232950Stheraven try 3534232950Stheraven { 3535232950Stheraven#endif 3536232950Stheraven for (; __f != __l; ++__f) 3537232950Stheraven ::new(&*__f) value_type(__x); 3538232950Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 3539232950Stheraven } 3540232950Stheraven catch (...) 3541232950Stheraven { 3542232950Stheraven for (; __s != __f; ++__s) 3543232950Stheraven __s->~value_type(); 3544232950Stheraven throw; 3545232950Stheraven } 3546232950Stheraven#endif 3547227825Stheraven} 3548227825Stheraven 3549227825Stheraventemplate <class _ForwardIterator, class _Size, class _Tp> 3550227825Stheraven_ForwardIterator 3551227825Stheravenuninitialized_fill_n(_ForwardIterator __f, _Size __n, const _Tp& __x) 3552227825Stheraven{ 3553227825Stheraven typedef typename iterator_traits<_ForwardIterator>::value_type value_type; 3554232950Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 3555232950Stheraven _ForwardIterator __s = __f; 3556232950Stheraven try 3557232950Stheraven { 3558232950Stheraven#endif 3559232950Stheraven for (; __n > 0; ++__f, --__n) 3560232950Stheraven ::new(&*__f) value_type(__x); 3561232950Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 3562232950Stheraven } 3563232950Stheraven catch (...) 3564232950Stheraven { 3565232950Stheraven for (; __s != __f; ++__s) 3566232950Stheraven __s->~value_type(); 3567232950Stheraven throw; 3568232950Stheraven } 3569232950Stheraven#endif 3570227825Stheraven return __f; 3571227825Stheraven} 3572227825Stheraven 3573227825Stheravenclass _LIBCPP_EXCEPTION_ABI bad_weak_ptr 3574227825Stheraven : public std::exception 3575227825Stheraven{ 3576227825Stheravenpublic: 3577227825Stheraven virtual ~bad_weak_ptr() _NOEXCEPT; 3578227825Stheraven virtual const char* what() const _NOEXCEPT; 3579227825Stheraven}; 3580227825Stheraven 3581262801Sdimtemplate<class _Tp> class _LIBCPP_TYPE_VIS_ONLY weak_ptr; 3582227825Stheraven 3583262801Sdimclass _LIBCPP_TYPE_VIS __shared_count 3584227825Stheraven{ 3585227825Stheraven __shared_count(const __shared_count&); 3586227825Stheraven __shared_count& operator=(const __shared_count&); 3587227825Stheraven 3588227825Stheravenprotected: 3589227825Stheraven long __shared_owners_; 3590227825Stheraven virtual ~__shared_count(); 3591227825Stheravenprivate: 3592227825Stheraven virtual void __on_zero_shared() _NOEXCEPT = 0; 3593227825Stheraven 3594227825Stheravenpublic: 3595227825Stheraven _LIBCPP_INLINE_VISIBILITY 3596227825Stheraven explicit __shared_count(long __refs = 0) _NOEXCEPT 3597227825Stheraven : __shared_owners_(__refs) {} 3598227825Stheraven 3599227825Stheraven void __add_shared() _NOEXCEPT; 3600227825Stheraven bool __release_shared() _NOEXCEPT; 3601227825Stheraven _LIBCPP_INLINE_VISIBILITY 3602227825Stheraven long use_count() const _NOEXCEPT {return __shared_owners_ + 1;} 3603227825Stheraven}; 3604227825Stheraven 3605262801Sdimclass _LIBCPP_TYPE_VIS __shared_weak_count 3606227825Stheraven : private __shared_count 3607227825Stheraven{ 3608227825Stheraven long __shared_weak_owners_; 3609227825Stheraven 3610227825Stheravenpublic: 3611227825Stheraven _LIBCPP_INLINE_VISIBILITY 3612227825Stheraven explicit __shared_weak_count(long __refs = 0) _NOEXCEPT 3613227825Stheraven : __shared_count(__refs), 3614227825Stheraven __shared_weak_owners_(__refs) {} 3615227825Stheravenprotected: 3616227825Stheraven virtual ~__shared_weak_count(); 3617227825Stheraven 3618227825Stheravenpublic: 3619227825Stheraven void __add_shared() _NOEXCEPT; 3620227825Stheraven void __add_weak() _NOEXCEPT; 3621227825Stheraven void __release_shared() _NOEXCEPT; 3622227825Stheraven void __release_weak() _NOEXCEPT; 3623227825Stheraven _LIBCPP_INLINE_VISIBILITY 3624227825Stheraven long use_count() const _NOEXCEPT {return __shared_count::use_count();} 3625227825Stheraven __shared_weak_count* lock() _NOEXCEPT; 3626227825Stheraven 3627249998Sdim // Define the function out only if we build static libc++ without RTTI. 3628249998Sdim // Otherwise we may break clients who need to compile their projects with 3629249998Sdim // -fno-rtti and yet link against a libc++.dylib compiled 3630249998Sdim // without -fno-rtti. 3631249998Sdim#if !defined(_LIBCPP_NO_RTTI) || !defined(_LIBCPP_BUILD_STATIC) 3632227825Stheraven virtual const void* __get_deleter(const type_info&) const _NOEXCEPT; 3633249998Sdim#endif 3634227825Stheravenprivate: 3635227825Stheraven virtual void __on_zero_shared_weak() _NOEXCEPT = 0; 3636227825Stheraven}; 3637227825Stheraven 3638227825Stheraventemplate <class _Tp, class _Dp, class _Alloc> 3639227825Stheravenclass __shared_ptr_pointer 3640227825Stheraven : public __shared_weak_count 3641227825Stheraven{ 3642227825Stheraven __compressed_pair<__compressed_pair<_Tp, _Dp>, _Alloc> __data_; 3643227825Stheravenpublic: 3644227825Stheraven _LIBCPP_INLINE_VISIBILITY 3645227825Stheraven __shared_ptr_pointer(_Tp __p, _Dp __d, _Alloc __a) 3646227825Stheraven : __data_(__compressed_pair<_Tp, _Dp>(__p, _VSTD::move(__d)), _VSTD::move(__a)) {} 3647227825Stheraven 3648227825Stheraven#ifndef _LIBCPP_NO_RTTI 3649227825Stheraven virtual const void* __get_deleter(const type_info&) const _NOEXCEPT; 3650227825Stheraven#endif 3651227825Stheraven 3652227825Stheravenprivate: 3653227825Stheraven virtual void __on_zero_shared() _NOEXCEPT; 3654227825Stheraven virtual void __on_zero_shared_weak() _NOEXCEPT; 3655227825Stheraven}; 3656227825Stheraven 3657227825Stheraven#ifndef _LIBCPP_NO_RTTI 3658227825Stheraven 3659227825Stheraventemplate <class _Tp, class _Dp, class _Alloc> 3660227825Stheravenconst void* 3661227825Stheraven__shared_ptr_pointer<_Tp, _Dp, _Alloc>::__get_deleter(const type_info& __t) const _NOEXCEPT 3662227825Stheraven{ 3663278724Sdim return __t == typeid(_Dp) ? _VSTD::addressof(__data_.first().second()) : 0; 3664227825Stheraven} 3665227825Stheraven 3666227825Stheraven#endif // _LIBCPP_NO_RTTI 3667227825Stheraven 3668227825Stheraventemplate <class _Tp, class _Dp, class _Alloc> 3669227825Stheravenvoid 3670227825Stheraven__shared_ptr_pointer<_Tp, _Dp, _Alloc>::__on_zero_shared() _NOEXCEPT 3671227825Stheraven{ 3672227825Stheraven __data_.first().second()(__data_.first().first()); 3673227825Stheraven __data_.first().second().~_Dp(); 3674227825Stheraven} 3675227825Stheraven 3676227825Stheraventemplate <class _Tp, class _Dp, class _Alloc> 3677227825Stheravenvoid 3678227825Stheraven__shared_ptr_pointer<_Tp, _Dp, _Alloc>::__on_zero_shared_weak() _NOEXCEPT 3679227825Stheraven{ 3680278724Sdim typedef typename __allocator_traits_rebind<_Alloc, __shared_ptr_pointer>::type _A; 3681278724Sdim typedef allocator_traits<_A> _ATraits; 3682278724Sdim typedef pointer_traits<typename _ATraits::pointer> _PTraits; 3683278724Sdim 3684278724Sdim _A __a(__data_.second()); 3685227825Stheraven __data_.second().~_Alloc(); 3686278724Sdim __a.deallocate(_PTraits::pointer_to(*this), 1); 3687227825Stheraven} 3688227825Stheraven 3689227825Stheraventemplate <class _Tp, class _Alloc> 3690227825Stheravenclass __shared_ptr_emplace 3691227825Stheraven : public __shared_weak_count 3692227825Stheraven{ 3693227825Stheraven __compressed_pair<_Alloc, _Tp> __data_; 3694227825Stheravenpublic: 3695227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 3696227825Stheraven 3697227825Stheraven _LIBCPP_INLINE_VISIBILITY 3698227825Stheraven __shared_ptr_emplace(_Alloc __a) 3699227825Stheraven : __data_(_VSTD::move(__a)) {} 3700227825Stheraven 3701227825Stheraven template <class ..._Args> 3702227825Stheraven _LIBCPP_INLINE_VISIBILITY 3703227825Stheraven __shared_ptr_emplace(_Alloc __a, _Args&& ...__args) 3704232950Stheraven : __data_(piecewise_construct, _VSTD::forward_as_tuple(__a), 3705232950Stheraven _VSTD::forward_as_tuple(_VSTD::forward<_Args>(__args)...)) {} 3706227825Stheraven 3707227825Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 3708227825Stheraven 3709227825Stheraven _LIBCPP_INLINE_VISIBILITY 3710227825Stheraven __shared_ptr_emplace(_Alloc __a) 3711227825Stheraven : __data_(__a) {} 3712227825Stheraven 3713227825Stheraven template <class _A0> 3714227825Stheraven _LIBCPP_INLINE_VISIBILITY 3715227825Stheraven __shared_ptr_emplace(_Alloc __a, _A0& __a0) 3716227825Stheraven : __data_(__a, _Tp(__a0)) {} 3717227825Stheraven 3718227825Stheraven template <class _A0, class _A1> 3719227825Stheraven _LIBCPP_INLINE_VISIBILITY 3720227825Stheraven __shared_ptr_emplace(_Alloc __a, _A0& __a0, _A1& __a1) 3721227825Stheraven : __data_(__a, _Tp(__a0, __a1)) {} 3722227825Stheraven 3723227825Stheraven template <class _A0, class _A1, class _A2> 3724227825Stheraven _LIBCPP_INLINE_VISIBILITY 3725227825Stheraven __shared_ptr_emplace(_Alloc __a, _A0& __a0, _A1& __a1, _A2& __a2) 3726227825Stheraven : __data_(__a, _Tp(__a0, __a1, __a2)) {} 3727227825Stheraven 3728227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 3729227825Stheraven 3730227825Stheravenprivate: 3731227825Stheraven virtual void __on_zero_shared() _NOEXCEPT; 3732227825Stheraven virtual void __on_zero_shared_weak() _NOEXCEPT; 3733227825Stheravenpublic: 3734227825Stheraven _LIBCPP_INLINE_VISIBILITY 3735227825Stheraven _Tp* get() _NOEXCEPT {return &__data_.second();} 3736227825Stheraven}; 3737227825Stheraven 3738227825Stheraventemplate <class _Tp, class _Alloc> 3739227825Stheravenvoid 3740227825Stheraven__shared_ptr_emplace<_Tp, _Alloc>::__on_zero_shared() _NOEXCEPT 3741227825Stheraven{ 3742227825Stheraven __data_.second().~_Tp(); 3743227825Stheraven} 3744227825Stheraven 3745227825Stheraventemplate <class _Tp, class _Alloc> 3746227825Stheravenvoid 3747227825Stheraven__shared_ptr_emplace<_Tp, _Alloc>::__on_zero_shared_weak() _NOEXCEPT 3748227825Stheraven{ 3749278724Sdim typedef typename __allocator_traits_rebind<_Alloc, __shared_ptr_emplace>::type _A; 3750278724Sdim typedef allocator_traits<_A> _ATraits; 3751278724Sdim typedef pointer_traits<typename _ATraits::pointer> _PTraits; 3752278724Sdim _A __a(__data_.first()); 3753227825Stheraven __data_.first().~_Alloc(); 3754278724Sdim __a.deallocate(_PTraits::pointer_to(*this), 1); 3755227825Stheraven} 3756227825Stheraven 3757262801Sdimtemplate<class _Tp> class _LIBCPP_TYPE_VIS_ONLY enable_shared_from_this; 3758227825Stheraven 3759227825Stheraventemplate<class _Tp> 3760262801Sdimclass _LIBCPP_TYPE_VIS_ONLY shared_ptr 3761227825Stheraven{ 3762227825Stheravenpublic: 3763227825Stheraven typedef _Tp element_type; 3764227825Stheravenprivate: 3765227825Stheraven element_type* __ptr_; 3766227825Stheraven __shared_weak_count* __cntrl_; 3767227825Stheraven 3768227825Stheraven struct __nat {int __for_bool_;}; 3769227825Stheravenpublic: 3770241903Sdim _LIBCPP_CONSTEXPR shared_ptr() _NOEXCEPT; 3771241903Sdim _LIBCPP_CONSTEXPR shared_ptr(nullptr_t) _NOEXCEPT; 3772278724Sdim template<class _Yp> 3773278724Sdim explicit shared_ptr(_Yp* __p, 3774278724Sdim typename enable_if<is_convertible<_Yp*, element_type*>::value, __nat>::type = __nat()); 3775278724Sdim template<class _Yp, class _Dp> 3776278724Sdim shared_ptr(_Yp* __p, _Dp __d, 3777278724Sdim typename enable_if<is_convertible<_Yp*, element_type*>::value, __nat>::type = __nat()); 3778278724Sdim template<class _Yp, class _Dp, class _Alloc> 3779278724Sdim shared_ptr(_Yp* __p, _Dp __d, _Alloc __a, 3780278724Sdim typename enable_if<is_convertible<_Yp*, element_type*>::value, __nat>::type = __nat()); 3781227825Stheraven template <class _Dp> shared_ptr(nullptr_t __p, _Dp __d); 3782227825Stheraven template <class _Dp, class _Alloc> shared_ptr(nullptr_t __p, _Dp __d, _Alloc __a); 3783227825Stheraven template<class _Yp> shared_ptr(const shared_ptr<_Yp>& __r, element_type* __p) _NOEXCEPT; 3784227825Stheraven shared_ptr(const shared_ptr& __r) _NOEXCEPT; 3785227825Stheraven template<class _Yp> 3786227825Stheraven shared_ptr(const shared_ptr<_Yp>& __r, 3787227825Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat>::type = __nat()) 3788227825Stheraven _NOEXCEPT; 3789227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 3790227825Stheraven shared_ptr(shared_ptr&& __r) _NOEXCEPT; 3791227825Stheraven template<class _Yp> shared_ptr(shared_ptr<_Yp>&& __r, 3792227825Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat>::type = __nat()) 3793227825Stheraven _NOEXCEPT; 3794227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 3795227825Stheraven template<class _Yp> explicit shared_ptr(const weak_ptr<_Yp>& __r, 3796227825Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat>::type= __nat()); 3797227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 3798278724Sdim template<class _Yp> 3799278724Sdim shared_ptr(auto_ptr<_Yp>&& __r, 3800278724Sdim typename enable_if<is_convertible<_Yp*, element_type*>::value, __nat>::type = __nat()); 3801227825Stheraven#else 3802278724Sdim template<class _Yp> 3803278724Sdim shared_ptr(auto_ptr<_Yp> __r, 3804278724Sdim typename enable_if<is_convertible<_Yp*, element_type*>::value, __nat>::type = __nat()); 3805227825Stheraven#endif 3806227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 3807278724Sdim template <class _Yp, class _Dp> 3808278724Sdim shared_ptr(unique_ptr<_Yp, _Dp>&&, 3809278724Sdim typename enable_if 3810278724Sdim < 3811278724Sdim !is_lvalue_reference<_Dp>::value && 3812278724Sdim !is_array<_Yp>::value && 3813278724Sdim is_convertible<typename unique_ptr<_Yp, _Dp>::pointer, element_type*>::value, 3814278724Sdim __nat 3815278724Sdim >::type = __nat()); 3816278724Sdim template <class _Yp, class _Dp> 3817278724Sdim shared_ptr(unique_ptr<_Yp, _Dp>&&, 3818278724Sdim typename enable_if 3819278724Sdim < 3820278724Sdim is_lvalue_reference<_Dp>::value && 3821278724Sdim !is_array<_Yp>::value && 3822278724Sdim is_convertible<typename unique_ptr<_Yp, _Dp>::pointer, element_type*>::value, 3823278724Sdim __nat 3824278724Sdim >::type = __nat()); 3825227825Stheraven#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES 3826278724Sdim template <class _Yp, class _Dp> 3827278724Sdim shared_ptr(unique_ptr<_Yp, _Dp>, 3828278724Sdim typename enable_if 3829278724Sdim < 3830278724Sdim !is_lvalue_reference<_Dp>::value && 3831278724Sdim !is_array<_Yp>::value && 3832278724Sdim is_convertible<typename unique_ptr<_Yp, _Dp>::pointer, element_type*>::value, 3833278724Sdim __nat 3834278724Sdim >::type = __nat()); 3835278724Sdim template <class _Yp, class _Dp> 3836278724Sdim shared_ptr(unique_ptr<_Yp, _Dp>, 3837278724Sdim typename enable_if 3838278724Sdim < 3839278724Sdim is_lvalue_reference<_Dp>::value && 3840278724Sdim !is_array<_Yp>::value && 3841278724Sdim is_convertible<typename unique_ptr<_Yp, _Dp>::pointer, element_type*>::value, 3842278724Sdim __nat 3843278724Sdim >::type = __nat()); 3844227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 3845227825Stheraven 3846227825Stheraven ~shared_ptr(); 3847227825Stheraven 3848227825Stheraven shared_ptr& operator=(const shared_ptr& __r) _NOEXCEPT; 3849232950Stheraven template<class _Yp> 3850232950Stheraven typename enable_if 3851232950Stheraven < 3852232950Stheraven is_convertible<_Yp*, element_type*>::value, 3853232950Stheraven shared_ptr& 3854232950Stheraven >::type 3855232950Stheraven operator=(const shared_ptr<_Yp>& __r) _NOEXCEPT; 3856227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 3857227825Stheraven shared_ptr& operator=(shared_ptr&& __r) _NOEXCEPT; 3858232950Stheraven template<class _Yp> 3859232950Stheraven typename enable_if 3860232950Stheraven < 3861232950Stheraven is_convertible<_Yp*, element_type*>::value, 3862232950Stheraven shared_ptr<_Tp>& 3863232950Stheraven >::type 3864232950Stheraven operator=(shared_ptr<_Yp>&& __r); 3865232950Stheraven template<class _Yp> 3866232950Stheraven typename enable_if 3867232950Stheraven < 3868232950Stheraven !is_array<_Yp>::value && 3869232950Stheraven is_convertible<_Yp*, element_type*>::value, 3870262801Sdim shared_ptr 3871262801Sdim >::type& 3872232950Stheraven operator=(auto_ptr<_Yp>&& __r); 3873227825Stheraven#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES 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#endif 3883232950Stheraven template <class _Yp, class _Dp> 3884232950Stheraven typename enable_if 3885232950Stheraven < 3886232950Stheraven !is_array<_Yp>::value && 3887232950Stheraven is_convertible<typename unique_ptr<_Yp, _Dp>::pointer, element_type*>::value, 3888232950Stheraven shared_ptr& 3889232950Stheraven >::type 3890227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 3891232950Stheraven operator=(unique_ptr<_Yp, _Dp>&& __r); 3892227825Stheraven#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES 3893232950Stheraven operator=(unique_ptr<_Yp, _Dp> __r); 3894227825Stheraven#endif 3895227825Stheraven 3896227825Stheraven void swap(shared_ptr& __r) _NOEXCEPT; 3897227825Stheraven void reset() _NOEXCEPT; 3898232950Stheraven template<class _Yp> 3899232950Stheraven typename enable_if 3900232950Stheraven < 3901232950Stheraven is_convertible<_Yp*, element_type*>::value, 3902232950Stheraven void 3903232950Stheraven >::type 3904232950Stheraven reset(_Yp* __p); 3905232950Stheraven template<class _Yp, class _Dp> 3906232950Stheraven typename enable_if 3907232950Stheraven < 3908232950Stheraven is_convertible<_Yp*, element_type*>::value, 3909232950Stheraven void 3910232950Stheraven >::type 3911232950Stheraven reset(_Yp* __p, _Dp __d); 3912232950Stheraven template<class _Yp, class _Dp, class _Alloc> 3913232950Stheraven typename enable_if 3914232950Stheraven < 3915232950Stheraven is_convertible<_Yp*, element_type*>::value, 3916232950Stheraven void 3917232950Stheraven >::type 3918232950Stheraven reset(_Yp* __p, _Dp __d, _Alloc __a); 3919227825Stheraven 3920227825Stheraven _LIBCPP_INLINE_VISIBILITY 3921227825Stheraven element_type* get() const _NOEXCEPT {return __ptr_;} 3922227825Stheraven _LIBCPP_INLINE_VISIBILITY 3923227825Stheraven typename add_lvalue_reference<element_type>::type operator*() const _NOEXCEPT 3924227825Stheraven {return *__ptr_;} 3925227825Stheraven _LIBCPP_INLINE_VISIBILITY 3926227825Stheraven element_type* operator->() const _NOEXCEPT {return __ptr_;} 3927227825Stheraven _LIBCPP_INLINE_VISIBILITY 3928227825Stheraven long use_count() const _NOEXCEPT {return __cntrl_ ? __cntrl_->use_count() : 0;} 3929227825Stheraven _LIBCPP_INLINE_VISIBILITY 3930227825Stheraven bool unique() const _NOEXCEPT {return use_count() == 1;} 3931227825Stheraven _LIBCPP_INLINE_VISIBILITY 3932232950Stheraven _LIBCPP_EXPLICIT operator bool() const _NOEXCEPT {return get() != 0;} 3933232950Stheraven template <class _Up> 3934227825Stheraven _LIBCPP_INLINE_VISIBILITY 3935232950Stheraven bool owner_before(shared_ptr<_Up> const& __p) const 3936227825Stheraven {return __cntrl_ < __p.__cntrl_;} 3937232950Stheraven template <class _Up> 3938227825Stheraven _LIBCPP_INLINE_VISIBILITY 3939232950Stheraven bool owner_before(weak_ptr<_Up> const& __p) const 3940227825Stheraven {return __cntrl_ < __p.__cntrl_;} 3941241903Sdim _LIBCPP_INLINE_VISIBILITY 3942241903Sdim bool 3943241903Sdim __owner_equivalent(const shared_ptr& __p) const 3944241903Sdim {return __cntrl_ == __p.__cntrl_;} 3945227825Stheraven 3946227825Stheraven#ifndef _LIBCPP_NO_RTTI 3947227825Stheraven template <class _Dp> 3948227825Stheraven _LIBCPP_INLINE_VISIBILITY 3949227825Stheraven _Dp* __get_deleter() const _NOEXCEPT 3950227825Stheraven {return (_Dp*)(__cntrl_ ? __cntrl_->__get_deleter(typeid(_Dp)) : 0);} 3951227825Stheraven#endif // _LIBCPP_NO_RTTI 3952227825Stheraven 3953227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 3954227825Stheraven 3955227825Stheraven template<class ..._Args> 3956227825Stheraven static 3957227825Stheraven shared_ptr<_Tp> 3958227825Stheraven make_shared(_Args&& ...__args); 3959227825Stheraven 3960227825Stheraven template<class _Alloc, class ..._Args> 3961227825Stheraven static 3962227825Stheraven shared_ptr<_Tp> 3963227825Stheraven allocate_shared(const _Alloc& __a, _Args&& ...__args); 3964227825Stheraven 3965227825Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 3966227825Stheraven 3967227825Stheraven static shared_ptr<_Tp> make_shared(); 3968227825Stheraven 3969227825Stheraven template<class _A0> 3970227825Stheraven static shared_ptr<_Tp> make_shared(_A0&); 3971227825Stheraven 3972227825Stheraven template<class _A0, class _A1> 3973227825Stheraven static shared_ptr<_Tp> make_shared(_A0&, _A1&); 3974227825Stheraven 3975227825Stheraven template<class _A0, class _A1, class _A2> 3976227825Stheraven static shared_ptr<_Tp> make_shared(_A0&, _A1&, _A2&); 3977227825Stheraven 3978227825Stheraven template<class _Alloc> 3979227825Stheraven static shared_ptr<_Tp> 3980227825Stheraven allocate_shared(const _Alloc& __a); 3981227825Stheraven 3982227825Stheraven template<class _Alloc, class _A0> 3983227825Stheraven static shared_ptr<_Tp> 3984227825Stheraven allocate_shared(const _Alloc& __a, _A0& __a0); 3985227825Stheraven 3986227825Stheraven template<class _Alloc, class _A0, class _A1> 3987227825Stheraven static shared_ptr<_Tp> 3988227825Stheraven allocate_shared(const _Alloc& __a, _A0& __a0, _A1& __a1); 3989227825Stheraven 3990227825Stheraven template<class _Alloc, class _A0, class _A1, class _A2> 3991227825Stheraven static shared_ptr<_Tp> 3992227825Stheraven allocate_shared(const _Alloc& __a, _A0& __a0, _A1& __a1, _A2& __a2); 3993227825Stheraven 3994227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 3995227825Stheraven 3996227825Stheravenprivate: 3997227825Stheraven 3998227825Stheraven template <class _Yp> 3999227825Stheraven _LIBCPP_INLINE_VISIBILITY 4000227825Stheraven void 4001227825Stheraven __enable_weak_this(const enable_shared_from_this<_Yp>* __e) _NOEXCEPT 4002227825Stheraven { 4003227825Stheraven if (__e) 4004227825Stheraven __e->__weak_this_ = *this; 4005227825Stheraven } 4006227825Stheraven 4007227825Stheraven _LIBCPP_INLINE_VISIBILITY 4008227825Stheraven void __enable_weak_this(const void*) _NOEXCEPT {} 4009227825Stheraven 4010262801Sdim template <class _Up> friend class _LIBCPP_TYPE_VIS_ONLY shared_ptr; 4011262801Sdim template <class _Up> friend class _LIBCPP_TYPE_VIS_ONLY weak_ptr; 4012227825Stheraven}; 4013227825Stheraven 4014227825Stheraventemplate<class _Tp> 4015227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4016241903Sdim_LIBCPP_CONSTEXPR 4017227825Stheravenshared_ptr<_Tp>::shared_ptr() _NOEXCEPT 4018227825Stheraven : __ptr_(0), 4019227825Stheraven __cntrl_(0) 4020227825Stheraven{ 4021227825Stheraven} 4022227825Stheraven 4023227825Stheraventemplate<class _Tp> 4024227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4025241903Sdim_LIBCPP_CONSTEXPR 4026227825Stheravenshared_ptr<_Tp>::shared_ptr(nullptr_t) _NOEXCEPT 4027227825Stheraven : __ptr_(0), 4028227825Stheraven __cntrl_(0) 4029227825Stheraven{ 4030227825Stheraven} 4031227825Stheraven 4032227825Stheraventemplate<class _Tp> 4033278724Sdimtemplate<class _Yp> 4034278724Sdimshared_ptr<_Tp>::shared_ptr(_Yp* __p, 4035278724Sdim typename enable_if<is_convertible<_Yp*, element_type*>::value, __nat>::type) 4036227825Stheraven : __ptr_(__p) 4037227825Stheraven{ 4038227825Stheraven unique_ptr<_Yp> __hold(__p); 4039227825Stheraven typedef __shared_ptr_pointer<_Yp*, default_delete<_Yp>, allocator<_Yp> > _CntrlBlk; 4040227825Stheraven __cntrl_ = new _CntrlBlk(__p, default_delete<_Yp>(), allocator<_Yp>()); 4041227825Stheraven __hold.release(); 4042227825Stheraven __enable_weak_this(__p); 4043227825Stheraven} 4044227825Stheraven 4045227825Stheraventemplate<class _Tp> 4046278724Sdimtemplate<class _Yp, class _Dp> 4047278724Sdimshared_ptr<_Tp>::shared_ptr(_Yp* __p, _Dp __d, 4048278724Sdim typename enable_if<is_convertible<_Yp*, element_type*>::value, __nat>::type) 4049227825Stheraven : __ptr_(__p) 4050227825Stheraven{ 4051227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 4052227825Stheraven try 4053227825Stheraven { 4054227825Stheraven#endif // _LIBCPP_NO_EXCEPTIONS 4055227825Stheraven typedef __shared_ptr_pointer<_Yp*, _Dp, allocator<_Yp> > _CntrlBlk; 4056227825Stheraven __cntrl_ = new _CntrlBlk(__p, __d, allocator<_Yp>()); 4057227825Stheraven __enable_weak_this(__p); 4058227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 4059227825Stheraven } 4060227825Stheraven catch (...) 4061227825Stheraven { 4062227825Stheraven __d(__p); 4063227825Stheraven throw; 4064227825Stheraven } 4065227825Stheraven#endif // _LIBCPP_NO_EXCEPTIONS 4066227825Stheraven} 4067227825Stheraven 4068227825Stheraventemplate<class _Tp> 4069227825Stheraventemplate<class _Dp> 4070227825Stheravenshared_ptr<_Tp>::shared_ptr(nullptr_t __p, _Dp __d) 4071227825Stheraven : __ptr_(0) 4072227825Stheraven{ 4073227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 4074227825Stheraven try 4075227825Stheraven { 4076227825Stheraven#endif // _LIBCPP_NO_EXCEPTIONS 4077227825Stheraven typedef __shared_ptr_pointer<nullptr_t, _Dp, allocator<_Tp> > _CntrlBlk; 4078227825Stheraven __cntrl_ = new _CntrlBlk(__p, __d, allocator<_Tp>()); 4079227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 4080227825Stheraven } 4081227825Stheraven catch (...) 4082227825Stheraven { 4083227825Stheraven __d(__p); 4084227825Stheraven throw; 4085227825Stheraven } 4086227825Stheraven#endif // _LIBCPP_NO_EXCEPTIONS 4087227825Stheraven} 4088227825Stheraven 4089227825Stheraventemplate<class _Tp> 4090278724Sdimtemplate<class _Yp, class _Dp, class _Alloc> 4091278724Sdimshared_ptr<_Tp>::shared_ptr(_Yp* __p, _Dp __d, _Alloc __a, 4092278724Sdim typename enable_if<is_convertible<_Yp*, element_type*>::value, __nat>::type) 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; 4100278724Sdim typedef typename __allocator_traits_rebind<_Alloc, _CntrlBlk>::type _A2; 4101227825Stheraven typedef __allocator_destructor<_A2> _D2; 4102227825Stheraven _A2 __a2(__a); 4103227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__a2.allocate(1), _D2(__a2, 1)); 4104278724Sdim ::new(static_cast<void*>(_VSTD::addressof(*__hold2.get()))) 4105278724Sdim _CntrlBlk(__p, __d, __a); 4106278724Sdim __cntrl_ = _VSTD::addressof(*__hold2.release()); 4107227825Stheraven __enable_weak_this(__p); 4108227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 4109227825Stheraven } 4110227825Stheraven catch (...) 4111227825Stheraven { 4112227825Stheraven __d(__p); 4113227825Stheraven throw; 4114227825Stheraven } 4115227825Stheraven#endif // _LIBCPP_NO_EXCEPTIONS 4116227825Stheraven} 4117227825Stheraven 4118227825Stheraventemplate<class _Tp> 4119227825Stheraventemplate<class _Dp, class _Alloc> 4120227825Stheravenshared_ptr<_Tp>::shared_ptr(nullptr_t __p, _Dp __d, _Alloc __a) 4121227825Stheraven : __ptr_(0) 4122227825Stheraven{ 4123227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 4124227825Stheraven try 4125227825Stheraven { 4126227825Stheraven#endif // _LIBCPP_NO_EXCEPTIONS 4127227825Stheraven typedef __shared_ptr_pointer<nullptr_t, _Dp, _Alloc> _CntrlBlk; 4128278724Sdim typedef typename __allocator_traits_rebind<_Alloc, _CntrlBlk>::type _A2; 4129227825Stheraven typedef __allocator_destructor<_A2> _D2; 4130227825Stheraven _A2 __a2(__a); 4131227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__a2.allocate(1), _D2(__a2, 1)); 4132278724Sdim ::new(static_cast<void*>(_VSTD::addressof(*__hold2.get()))) 4133278724Sdim _CntrlBlk(__p, __d, __a); 4134278724Sdim __cntrl_ = _VSTD::addressof(*__hold2.release()); 4135227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 4136227825Stheraven } 4137227825Stheraven catch (...) 4138227825Stheraven { 4139227825Stheraven __d(__p); 4140227825Stheraven throw; 4141227825Stheraven } 4142227825Stheraven#endif // _LIBCPP_NO_EXCEPTIONS 4143227825Stheraven} 4144227825Stheraven 4145227825Stheraventemplate<class _Tp> 4146227825Stheraventemplate<class _Yp> 4147227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4148227825Stheravenshared_ptr<_Tp>::shared_ptr(const shared_ptr<_Yp>& __r, element_type *__p) _NOEXCEPT 4149227825Stheraven : __ptr_(__p), 4150227825Stheraven __cntrl_(__r.__cntrl_) 4151227825Stheraven{ 4152227825Stheraven if (__cntrl_) 4153227825Stheraven __cntrl_->__add_shared(); 4154227825Stheraven} 4155227825Stheraven 4156227825Stheraventemplate<class _Tp> 4157227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4158227825Stheravenshared_ptr<_Tp>::shared_ptr(const shared_ptr& __r) _NOEXCEPT 4159227825Stheraven : __ptr_(__r.__ptr_), 4160227825Stheraven __cntrl_(__r.__cntrl_) 4161227825Stheraven{ 4162227825Stheraven if (__cntrl_) 4163227825Stheraven __cntrl_->__add_shared(); 4164227825Stheraven} 4165227825Stheraven 4166227825Stheraventemplate<class _Tp> 4167227825Stheraventemplate<class _Yp> 4168227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4169227825Stheravenshared_ptr<_Tp>::shared_ptr(const shared_ptr<_Yp>& __r, 4170227825Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat>::type) 4171227825Stheraven _NOEXCEPT 4172227825Stheraven : __ptr_(__r.__ptr_), 4173227825Stheraven __cntrl_(__r.__cntrl_) 4174227825Stheraven{ 4175227825Stheraven if (__cntrl_) 4176227825Stheraven __cntrl_->__add_shared(); 4177227825Stheraven} 4178227825Stheraven 4179227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 4180227825Stheraven 4181227825Stheraventemplate<class _Tp> 4182227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4183227825Stheravenshared_ptr<_Tp>::shared_ptr(shared_ptr&& __r) _NOEXCEPT 4184227825Stheraven : __ptr_(__r.__ptr_), 4185227825Stheraven __cntrl_(__r.__cntrl_) 4186227825Stheraven{ 4187227825Stheraven __r.__ptr_ = 0; 4188227825Stheraven __r.__cntrl_ = 0; 4189227825Stheraven} 4190227825Stheraven 4191227825Stheraventemplate<class _Tp> 4192227825Stheraventemplate<class _Yp> 4193227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4194227825Stheravenshared_ptr<_Tp>::shared_ptr(shared_ptr<_Yp>&& __r, 4195227825Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat>::type) 4196227825Stheraven _NOEXCEPT 4197227825Stheraven : __ptr_(__r.__ptr_), 4198227825Stheraven __cntrl_(__r.__cntrl_) 4199227825Stheraven{ 4200227825Stheraven __r.__ptr_ = 0; 4201227825Stheraven __r.__cntrl_ = 0; 4202227825Stheraven} 4203227825Stheraven 4204227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 4205227825Stheraven 4206227825Stheraventemplate<class _Tp> 4207278724Sdimtemplate<class _Yp> 4208227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 4209278724Sdimshared_ptr<_Tp>::shared_ptr(auto_ptr<_Yp>&& __r, 4210227825Stheraven#else 4211278724Sdimshared_ptr<_Tp>::shared_ptr(auto_ptr<_Yp> __r, 4212227825Stheraven#endif 4213278724Sdim typename enable_if<is_convertible<_Yp*, element_type*>::value, __nat>::type) 4214227825Stheraven : __ptr_(__r.get()) 4215227825Stheraven{ 4216227825Stheraven typedef __shared_ptr_pointer<_Yp*, default_delete<_Yp>, allocator<_Yp> > _CntrlBlk; 4217227825Stheraven __cntrl_ = new _CntrlBlk(__r.get(), default_delete<_Yp>(), allocator<_Yp>()); 4218227825Stheraven __enable_weak_this(__r.get()); 4219227825Stheraven __r.release(); 4220227825Stheraven} 4221227825Stheraven 4222227825Stheraventemplate<class _Tp> 4223278724Sdimtemplate <class _Yp, class _Dp> 4224227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 4225227825Stheravenshared_ptr<_Tp>::shared_ptr(unique_ptr<_Yp, _Dp>&& __r, 4226227825Stheraven#else 4227227825Stheravenshared_ptr<_Tp>::shared_ptr(unique_ptr<_Yp, _Dp> __r, 4228227825Stheraven#endif 4229278724Sdim typename enable_if 4230278724Sdim < 4231278724Sdim !is_lvalue_reference<_Dp>::value && 4232278724Sdim !is_array<_Yp>::value && 4233278724Sdim is_convertible<typename unique_ptr<_Yp, _Dp>::pointer, element_type*>::value, 4234278724Sdim __nat 4235278724Sdim >::type) 4236227825Stheraven : __ptr_(__r.get()) 4237227825Stheraven{ 4238227825Stheraven typedef __shared_ptr_pointer<_Yp*, _Dp, allocator<_Yp> > _CntrlBlk; 4239227825Stheraven __cntrl_ = new _CntrlBlk(__r.get(), __r.get_deleter(), allocator<_Yp>()); 4240227825Stheraven __enable_weak_this(__r.get()); 4241227825Stheraven __r.release(); 4242227825Stheraven} 4243227825Stheraven 4244227825Stheraventemplate<class _Tp> 4245278724Sdimtemplate <class _Yp, class _Dp> 4246227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 4247227825Stheravenshared_ptr<_Tp>::shared_ptr(unique_ptr<_Yp, _Dp>&& __r, 4248227825Stheraven#else 4249227825Stheravenshared_ptr<_Tp>::shared_ptr(unique_ptr<_Yp, _Dp> __r, 4250227825Stheraven#endif 4251278724Sdim typename enable_if 4252278724Sdim < 4253278724Sdim is_lvalue_reference<_Dp>::value && 4254278724Sdim !is_array<_Yp>::value && 4255278724Sdim is_convertible<typename unique_ptr<_Yp, _Dp>::pointer, element_type*>::value, 4256278724Sdim __nat 4257278724Sdim >::type) 4258227825Stheraven : __ptr_(__r.get()) 4259227825Stheraven{ 4260227825Stheraven typedef __shared_ptr_pointer<_Yp*, 4261227825Stheraven reference_wrapper<typename remove_reference<_Dp>::type>, 4262227825Stheraven allocator<_Yp> > _CntrlBlk; 4263227825Stheraven __cntrl_ = new _CntrlBlk(__r.get(), ref(__r.get_deleter()), allocator<_Yp>()); 4264227825Stheraven __enable_weak_this(__r.get()); 4265227825Stheraven __r.release(); 4266227825Stheraven} 4267227825Stheraven 4268227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 4269227825Stheraven 4270227825Stheraventemplate<class _Tp> 4271227825Stheraventemplate<class ..._Args> 4272227825Stheravenshared_ptr<_Tp> 4273227825Stheravenshared_ptr<_Tp>::make_shared(_Args&& ...__args) 4274227825Stheraven{ 4275227825Stheraven typedef __shared_ptr_emplace<_Tp, allocator<_Tp> > _CntrlBlk; 4276227825Stheraven typedef allocator<_CntrlBlk> _A2; 4277227825Stheraven typedef __allocator_destructor<_A2> _D2; 4278227825Stheraven _A2 __a2; 4279227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__a2.allocate(1), _D2(__a2, 1)); 4280227825Stheraven ::new(__hold2.get()) _CntrlBlk(__a2, _VSTD::forward<_Args>(__args)...); 4281227825Stheraven shared_ptr<_Tp> __r; 4282227825Stheraven __r.__ptr_ = __hold2.get()->get(); 4283227825Stheraven __r.__cntrl_ = __hold2.release(); 4284227825Stheraven __r.__enable_weak_this(__r.__ptr_); 4285227825Stheraven return __r; 4286227825Stheraven} 4287227825Stheraven 4288227825Stheraventemplate<class _Tp> 4289227825Stheraventemplate<class _Alloc, class ..._Args> 4290227825Stheravenshared_ptr<_Tp> 4291227825Stheravenshared_ptr<_Tp>::allocate_shared(const _Alloc& __a, _Args&& ...__args) 4292227825Stheraven{ 4293227825Stheraven typedef __shared_ptr_emplace<_Tp, _Alloc> _CntrlBlk; 4294278724Sdim typedef typename __allocator_traits_rebind<_Alloc, _CntrlBlk>::type _A2; 4295227825Stheraven typedef __allocator_destructor<_A2> _D2; 4296227825Stheraven _A2 __a2(__a); 4297227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__a2.allocate(1), _D2(__a2, 1)); 4298278724Sdim ::new(static_cast<void*>(_VSTD::addressof(*__hold2.get()))) 4299278724Sdim _CntrlBlk(__a, _VSTD::forward<_Args>(__args)...); 4300227825Stheraven shared_ptr<_Tp> __r; 4301227825Stheraven __r.__ptr_ = __hold2.get()->get(); 4302278724Sdim __r.__cntrl_ = _VSTD::addressof(*__hold2.release()); 4303227825Stheraven __r.__enable_weak_this(__r.__ptr_); 4304227825Stheraven return __r; 4305227825Stheraven} 4306227825Stheraven 4307227825Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 4308227825Stheraven 4309227825Stheraventemplate<class _Tp> 4310227825Stheravenshared_ptr<_Tp> 4311227825Stheravenshared_ptr<_Tp>::make_shared() 4312227825Stheraven{ 4313227825Stheraven typedef __shared_ptr_emplace<_Tp, allocator<_Tp> > _CntrlBlk; 4314227825Stheraven typedef allocator<_CntrlBlk> _Alloc2; 4315227825Stheraven typedef __allocator_destructor<_Alloc2> _D2; 4316227825Stheraven _Alloc2 __alloc2; 4317227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__alloc2.allocate(1), _D2(__alloc2, 1)); 4318227825Stheraven ::new(__hold2.get()) _CntrlBlk(__alloc2); 4319227825Stheraven shared_ptr<_Tp> __r; 4320227825Stheraven __r.__ptr_ = __hold2.get()->get(); 4321227825Stheraven __r.__cntrl_ = __hold2.release(); 4322227825Stheraven __r.__enable_weak_this(__r.__ptr_); 4323227825Stheraven return __r; 4324227825Stheraven} 4325227825Stheraven 4326227825Stheraventemplate<class _Tp> 4327227825Stheraventemplate<class _A0> 4328227825Stheravenshared_ptr<_Tp> 4329227825Stheravenshared_ptr<_Tp>::make_shared(_A0& __a0) 4330227825Stheraven{ 4331227825Stheraven typedef __shared_ptr_emplace<_Tp, allocator<_Tp> > _CntrlBlk; 4332227825Stheraven typedef allocator<_CntrlBlk> _Alloc2; 4333227825Stheraven typedef __allocator_destructor<_Alloc2> _D2; 4334227825Stheraven _Alloc2 __alloc2; 4335227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__alloc2.allocate(1), _D2(__alloc2, 1)); 4336227825Stheraven ::new(__hold2.get()) _CntrlBlk(__alloc2, __a0); 4337227825Stheraven shared_ptr<_Tp> __r; 4338227825Stheraven __r.__ptr_ = __hold2.get()->get(); 4339227825Stheraven __r.__cntrl_ = __hold2.release(); 4340227825Stheraven __r.__enable_weak_this(__r.__ptr_); 4341227825Stheraven return __r; 4342227825Stheraven} 4343227825Stheraven 4344227825Stheraventemplate<class _Tp> 4345227825Stheraventemplate<class _A0, class _A1> 4346227825Stheravenshared_ptr<_Tp> 4347227825Stheravenshared_ptr<_Tp>::make_shared(_A0& __a0, _A1& __a1) 4348227825Stheraven{ 4349227825Stheraven typedef __shared_ptr_emplace<_Tp, allocator<_Tp> > _CntrlBlk; 4350227825Stheraven typedef allocator<_CntrlBlk> _Alloc2; 4351227825Stheraven typedef __allocator_destructor<_Alloc2> _D2; 4352227825Stheraven _Alloc2 __alloc2; 4353227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__alloc2.allocate(1), _D2(__alloc2, 1)); 4354227825Stheraven ::new(__hold2.get()) _CntrlBlk(__alloc2, __a0, __a1); 4355227825Stheraven shared_ptr<_Tp> __r; 4356227825Stheraven __r.__ptr_ = __hold2.get()->get(); 4357227825Stheraven __r.__cntrl_ = __hold2.release(); 4358227825Stheraven __r.__enable_weak_this(__r.__ptr_); 4359227825Stheraven return __r; 4360227825Stheraven} 4361227825Stheraven 4362227825Stheraventemplate<class _Tp> 4363227825Stheraventemplate<class _A0, class _A1, class _A2> 4364227825Stheravenshared_ptr<_Tp> 4365227825Stheravenshared_ptr<_Tp>::make_shared(_A0& __a0, _A1& __a1, _A2& __a2) 4366227825Stheraven{ 4367227825Stheraven typedef __shared_ptr_emplace<_Tp, allocator<_Tp> > _CntrlBlk; 4368227825Stheraven typedef allocator<_CntrlBlk> _Alloc2; 4369227825Stheraven typedef __allocator_destructor<_Alloc2> _D2; 4370227825Stheraven _Alloc2 __alloc2; 4371227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__alloc2.allocate(1), _D2(__alloc2, 1)); 4372227825Stheraven ::new(__hold2.get()) _CntrlBlk(__alloc2, __a0, __a1, __a2); 4373227825Stheraven shared_ptr<_Tp> __r; 4374227825Stheraven __r.__ptr_ = __hold2.get()->get(); 4375227825Stheraven __r.__cntrl_ = __hold2.release(); 4376227825Stheraven __r.__enable_weak_this(__r.__ptr_); 4377227825Stheraven return __r; 4378227825Stheraven} 4379227825Stheraven 4380227825Stheraventemplate<class _Tp> 4381227825Stheraventemplate<class _Alloc> 4382227825Stheravenshared_ptr<_Tp> 4383227825Stheravenshared_ptr<_Tp>::allocate_shared(const _Alloc& __a) 4384227825Stheraven{ 4385227825Stheraven typedef __shared_ptr_emplace<_Tp, _Alloc> _CntrlBlk; 4386278724Sdim typedef typename __allocator_traits_rebind<_Alloc, _CntrlBlk>::type _Alloc2; 4387227825Stheraven typedef __allocator_destructor<_Alloc2> _D2; 4388227825Stheraven _Alloc2 __alloc2(__a); 4389227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__alloc2.allocate(1), _D2(__alloc2, 1)); 4390278724Sdim ::new(static_cast<void*>(_VSTD::addressof(*__hold2.get()))) 4391278724Sdim _CntrlBlk(__a); 4392227825Stheraven shared_ptr<_Tp> __r; 4393227825Stheraven __r.__ptr_ = __hold2.get()->get(); 4394278724Sdim __r.__cntrl_ = _VSTD::addressof(*__hold2.release()); 4395227825Stheraven __r.__enable_weak_this(__r.__ptr_); 4396227825Stheraven return __r; 4397227825Stheraven} 4398227825Stheraven 4399227825Stheraventemplate<class _Tp> 4400227825Stheraventemplate<class _Alloc, class _A0> 4401227825Stheravenshared_ptr<_Tp> 4402227825Stheravenshared_ptr<_Tp>::allocate_shared(const _Alloc& __a, _A0& __a0) 4403227825Stheraven{ 4404227825Stheraven typedef __shared_ptr_emplace<_Tp, _Alloc> _CntrlBlk; 4405278724Sdim typedef typename __allocator_traits_rebind<_Alloc, _CntrlBlk>::type _Alloc2; 4406227825Stheraven typedef __allocator_destructor<_Alloc2> _D2; 4407227825Stheraven _Alloc2 __alloc2(__a); 4408227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__alloc2.allocate(1), _D2(__alloc2, 1)); 4409278724Sdim ::new(static_cast<void*>(_VSTD::addressof(*__hold2.get()))) 4410278724Sdim _CntrlBlk(__a, __a0); 4411227825Stheraven shared_ptr<_Tp> __r; 4412227825Stheraven __r.__ptr_ = __hold2.get()->get(); 4413278724Sdim __r.__cntrl_ = _VSTD::addressof(*__hold2.release()); 4414227825Stheraven __r.__enable_weak_this(__r.__ptr_); 4415227825Stheraven return __r; 4416227825Stheraven} 4417227825Stheraven 4418227825Stheraventemplate<class _Tp> 4419227825Stheraventemplate<class _Alloc, class _A0, class _A1> 4420227825Stheravenshared_ptr<_Tp> 4421227825Stheravenshared_ptr<_Tp>::allocate_shared(const _Alloc& __a, _A0& __a0, _A1& __a1) 4422227825Stheraven{ 4423227825Stheraven typedef __shared_ptr_emplace<_Tp, _Alloc> _CntrlBlk; 4424278724Sdim typedef typename __allocator_traits_rebind<_Alloc, _CntrlBlk>::type _Alloc2; 4425227825Stheraven typedef __allocator_destructor<_Alloc2> _D2; 4426227825Stheraven _Alloc2 __alloc2(__a); 4427227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__alloc2.allocate(1), _D2(__alloc2, 1)); 4428278724Sdim ::new(static_cast<void*>(_VSTD::addressof(*__hold2.get()))) 4429278724Sdim _CntrlBlk(__a, __a0, __a1); 4430227825Stheraven shared_ptr<_Tp> __r; 4431227825Stheraven __r.__ptr_ = __hold2.get()->get(); 4432278724Sdim __r.__cntrl_ = _VSTD::addressof(*__hold2.release()); 4433227825Stheraven __r.__enable_weak_this(__r.__ptr_); 4434227825Stheraven return __r; 4435227825Stheraven} 4436227825Stheraven 4437227825Stheraventemplate<class _Tp> 4438227825Stheraventemplate<class _Alloc, class _A0, class _A1, class _A2> 4439227825Stheravenshared_ptr<_Tp> 4440227825Stheravenshared_ptr<_Tp>::allocate_shared(const _Alloc& __a, _A0& __a0, _A1& __a1, _A2& __a2) 4441227825Stheraven{ 4442227825Stheraven typedef __shared_ptr_emplace<_Tp, _Alloc> _CntrlBlk; 4443278724Sdim typedef typename __allocator_traits_rebind<_Alloc, _CntrlBlk>::type _Alloc2; 4444227825Stheraven typedef __allocator_destructor<_Alloc2> _D2; 4445227825Stheraven _Alloc2 __alloc2(__a); 4446227825Stheraven unique_ptr<_CntrlBlk, _D2> __hold2(__alloc2.allocate(1), _D2(__alloc2, 1)); 4447278724Sdim ::new(static_cast<void*>(_VSTD::addressof(*__hold2.get()))) 4448278724Sdim _CntrlBlk(__a, __a0, __a1, __a2); 4449227825Stheraven shared_ptr<_Tp> __r; 4450227825Stheraven __r.__ptr_ = __hold2.get()->get(); 4451278724Sdim __r.__cntrl_ = _VSTD::addressof(*__hold2.release()); 4452227825Stheraven __r.__enable_weak_this(__r.__ptr_); 4453227825Stheraven return __r; 4454227825Stheraven} 4455227825Stheraven 4456227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 4457227825Stheraven 4458227825Stheraventemplate<class _Tp> 4459227825Stheravenshared_ptr<_Tp>::~shared_ptr() 4460227825Stheraven{ 4461227825Stheraven if (__cntrl_) 4462227825Stheraven __cntrl_->__release_shared(); 4463227825Stheraven} 4464227825Stheraven 4465227825Stheraventemplate<class _Tp> 4466227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4467227825Stheravenshared_ptr<_Tp>& 4468227825Stheravenshared_ptr<_Tp>::operator=(const shared_ptr& __r) _NOEXCEPT 4469227825Stheraven{ 4470227825Stheraven shared_ptr(__r).swap(*this); 4471227825Stheraven return *this; 4472227825Stheraven} 4473227825Stheraven 4474227825Stheraventemplate<class _Tp> 4475227825Stheraventemplate<class _Yp> 4476227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4477232950Stheraventypename enable_if 4478232950Stheraven< 4479232950Stheraven is_convertible<_Yp*, _Tp*>::value, 4480232950Stheraven shared_ptr<_Tp>& 4481232950Stheraven>::type 4482227825Stheravenshared_ptr<_Tp>::operator=(const shared_ptr<_Yp>& __r) _NOEXCEPT 4483227825Stheraven{ 4484227825Stheraven shared_ptr(__r).swap(*this); 4485227825Stheraven return *this; 4486227825Stheraven} 4487227825Stheraven 4488227825Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 4489227825Stheraven 4490227825Stheraventemplate<class _Tp> 4491227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4492227825Stheravenshared_ptr<_Tp>& 4493227825Stheravenshared_ptr<_Tp>::operator=(shared_ptr&& __r) _NOEXCEPT 4494227825Stheraven{ 4495227825Stheraven shared_ptr(_VSTD::move(__r)).swap(*this); 4496227825Stheraven return *this; 4497227825Stheraven} 4498227825Stheraven 4499227825Stheraventemplate<class _Tp> 4500227825Stheraventemplate<class _Yp> 4501227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4502232950Stheraventypename enable_if 4503232950Stheraven< 4504232950Stheraven is_convertible<_Yp*, _Tp*>::value, 4505232950Stheraven shared_ptr<_Tp>& 4506232950Stheraven>::type 4507227825Stheravenshared_ptr<_Tp>::operator=(shared_ptr<_Yp>&& __r) 4508227825Stheraven{ 4509227825Stheraven shared_ptr(_VSTD::move(__r)).swap(*this); 4510227825Stheraven return *this; 4511227825Stheraven} 4512227825Stheraven 4513227825Stheraventemplate<class _Tp> 4514227825Stheraventemplate<class _Yp> 4515227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4516232950Stheraventypename enable_if 4517232950Stheraven< 4518232950Stheraven !is_array<_Yp>::value && 4519232950Stheraven is_convertible<_Yp*, _Tp*>::value, 4520262801Sdim shared_ptr<_Tp> 4521262801Sdim>::type& 4522227825Stheravenshared_ptr<_Tp>::operator=(auto_ptr<_Yp>&& __r) 4523227825Stheraven{ 4524227825Stheraven shared_ptr(_VSTD::move(__r)).swap(*this); 4525227825Stheraven return *this; 4526227825Stheraven} 4527227825Stheraven 4528227825Stheraventemplate<class _Tp> 4529227825Stheraventemplate <class _Yp, class _Dp> 4530227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4531232950Stheraventypename enable_if 4532232950Stheraven< 4533232950Stheraven !is_array<_Yp>::value && 4534232950Stheraven is_convertible<typename unique_ptr<_Yp, _Dp>::pointer, _Tp*>::value, 4535232950Stheraven shared_ptr<_Tp>& 4536232950Stheraven>::type 4537227825Stheravenshared_ptr<_Tp>::operator=(unique_ptr<_Yp, _Dp>&& __r) 4538227825Stheraven{ 4539227825Stheraven shared_ptr(_VSTD::move(__r)).swap(*this); 4540227825Stheraven return *this; 4541227825Stheraven} 4542227825Stheraven 4543227825Stheraven#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES 4544227825Stheraven 4545227825Stheraventemplate<class _Tp> 4546227825Stheraventemplate<class _Yp> 4547227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4548232950Stheraventypename enable_if 4549232950Stheraven< 4550232950Stheraven !is_array<_Yp>::value && 4551232950Stheraven is_convertible<_Yp*, _Tp*>::value, 4552232950Stheraven shared_ptr<_Tp>& 4553232950Stheraven>::type 4554227825Stheravenshared_ptr<_Tp>::operator=(auto_ptr<_Yp> __r) 4555227825Stheraven{ 4556227825Stheraven shared_ptr(__r).swap(*this); 4557227825Stheraven return *this; 4558227825Stheraven} 4559227825Stheraven 4560227825Stheraventemplate<class _Tp> 4561227825Stheraventemplate <class _Yp, class _Dp> 4562227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4563232950Stheraventypename enable_if 4564232950Stheraven< 4565232950Stheraven !is_array<_Yp>::value && 4566232950Stheraven is_convertible<typename unique_ptr<_Yp, _Dp>::pointer, _Tp*>::value, 4567232950Stheraven shared_ptr<_Tp>& 4568232950Stheraven>::type 4569227825Stheravenshared_ptr<_Tp>::operator=(unique_ptr<_Yp, _Dp> __r) 4570227825Stheraven{ 4571227825Stheraven shared_ptr(_VSTD::move(__r)).swap(*this); 4572227825Stheraven return *this; 4573227825Stheraven} 4574227825Stheraven 4575227825Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 4576227825Stheraven 4577227825Stheraventemplate<class _Tp> 4578227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4579227825Stheravenvoid 4580227825Stheravenshared_ptr<_Tp>::swap(shared_ptr& __r) _NOEXCEPT 4581227825Stheraven{ 4582227825Stheraven _VSTD::swap(__ptr_, __r.__ptr_); 4583227825Stheraven _VSTD::swap(__cntrl_, __r.__cntrl_); 4584227825Stheraven} 4585227825Stheraven 4586227825Stheraventemplate<class _Tp> 4587227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4588227825Stheravenvoid 4589227825Stheravenshared_ptr<_Tp>::reset() _NOEXCEPT 4590227825Stheraven{ 4591227825Stheraven shared_ptr().swap(*this); 4592227825Stheraven} 4593227825Stheraven 4594227825Stheraventemplate<class _Tp> 4595227825Stheraventemplate<class _Yp> 4596227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4597232950Stheraventypename enable_if 4598232950Stheraven< 4599232950Stheraven is_convertible<_Yp*, _Tp*>::value, 4600232950Stheraven void 4601232950Stheraven>::type 4602227825Stheravenshared_ptr<_Tp>::reset(_Yp* __p) 4603227825Stheraven{ 4604227825Stheraven shared_ptr(__p).swap(*this); 4605227825Stheraven} 4606227825Stheraven 4607227825Stheraventemplate<class _Tp> 4608227825Stheraventemplate<class _Yp, class _Dp> 4609227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4610232950Stheraventypename enable_if 4611232950Stheraven< 4612232950Stheraven is_convertible<_Yp*, _Tp*>::value, 4613232950Stheraven void 4614232950Stheraven>::type 4615227825Stheravenshared_ptr<_Tp>::reset(_Yp* __p, _Dp __d) 4616227825Stheraven{ 4617227825Stheraven shared_ptr(__p, __d).swap(*this); 4618227825Stheraven} 4619227825Stheraven 4620227825Stheraventemplate<class _Tp> 4621227825Stheraventemplate<class _Yp, class _Dp, class _Alloc> 4622227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4623232950Stheraventypename enable_if 4624232950Stheraven< 4625232950Stheraven is_convertible<_Yp*, _Tp*>::value, 4626232950Stheraven void 4627232950Stheraven>::type 4628227825Stheravenshared_ptr<_Tp>::reset(_Yp* __p, _Dp __d, _Alloc __a) 4629227825Stheraven{ 4630227825Stheraven shared_ptr(__p, __d, __a).swap(*this); 4631227825Stheraven} 4632227825Stheraven 4633227825Stheraven#ifndef _LIBCPP_HAS_NO_VARIADICS 4634227825Stheraven 4635227825Stheraventemplate<class _Tp, class ..._Args> 4636227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4637232950Stheraventypename enable_if 4638232950Stheraven< 4639232950Stheraven !is_array<_Tp>::value, 4640232950Stheraven shared_ptr<_Tp> 4641232950Stheraven>::type 4642227825Stheravenmake_shared(_Args&& ...__args) 4643227825Stheraven{ 4644227825Stheraven return shared_ptr<_Tp>::make_shared(_VSTD::forward<_Args>(__args)...); 4645227825Stheraven} 4646227825Stheraven 4647227825Stheraventemplate<class _Tp, class _Alloc, class ..._Args> 4648227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4649232950Stheraventypename enable_if 4650232950Stheraven< 4651232950Stheraven !is_array<_Tp>::value, 4652232950Stheraven shared_ptr<_Tp> 4653232950Stheraven>::type 4654227825Stheravenallocate_shared(const _Alloc& __a, _Args&& ...__args) 4655227825Stheraven{ 4656227825Stheraven return shared_ptr<_Tp>::allocate_shared(__a, _VSTD::forward<_Args>(__args)...); 4657227825Stheraven} 4658227825Stheraven 4659227825Stheraven#else // _LIBCPP_HAS_NO_VARIADICS 4660227825Stheraven 4661227825Stheraventemplate<class _Tp> 4662227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4663227825Stheravenshared_ptr<_Tp> 4664227825Stheravenmake_shared() 4665227825Stheraven{ 4666227825Stheraven return shared_ptr<_Tp>::make_shared(); 4667227825Stheraven} 4668227825Stheraven 4669227825Stheraventemplate<class _Tp, class _A0> 4670227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4671227825Stheravenshared_ptr<_Tp> 4672227825Stheravenmake_shared(_A0& __a0) 4673227825Stheraven{ 4674227825Stheraven return shared_ptr<_Tp>::make_shared(__a0); 4675227825Stheraven} 4676227825Stheraven 4677227825Stheraventemplate<class _Tp, class _A0, class _A1> 4678227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4679227825Stheravenshared_ptr<_Tp> 4680227825Stheravenmake_shared(_A0& __a0, _A1& __a1) 4681227825Stheraven{ 4682227825Stheraven return shared_ptr<_Tp>::make_shared(__a0, __a1); 4683227825Stheraven} 4684227825Stheraven 4685227825Stheraventemplate<class _Tp, class _A0, class _A1, class _A2> 4686227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4687227825Stheravenshared_ptr<_Tp> 4688227825Stheravenmake_shared(_A0& __a0, _A1& __a1, _A2& __a2) 4689227825Stheraven{ 4690227825Stheraven return shared_ptr<_Tp>::make_shared(__a0, __a1, __a2); 4691227825Stheraven} 4692227825Stheraven 4693227825Stheraventemplate<class _Tp, class _Alloc> 4694227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4695227825Stheravenshared_ptr<_Tp> 4696227825Stheravenallocate_shared(const _Alloc& __a) 4697227825Stheraven{ 4698227825Stheraven return shared_ptr<_Tp>::allocate_shared(__a); 4699227825Stheraven} 4700227825Stheraven 4701227825Stheraventemplate<class _Tp, class _Alloc, class _A0> 4702227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4703227825Stheravenshared_ptr<_Tp> 4704227825Stheravenallocate_shared(const _Alloc& __a, _A0& __a0) 4705227825Stheraven{ 4706227825Stheraven return shared_ptr<_Tp>::allocate_shared(__a, __a0); 4707227825Stheraven} 4708227825Stheraven 4709227825Stheraventemplate<class _Tp, class _Alloc, class _A0, class _A1> 4710227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4711227825Stheravenshared_ptr<_Tp> 4712227825Stheravenallocate_shared(const _Alloc& __a, _A0& __a0, _A1& __a1) 4713227825Stheraven{ 4714227825Stheraven return shared_ptr<_Tp>::allocate_shared(__a, __a0, __a1); 4715227825Stheraven} 4716227825Stheraven 4717227825Stheraventemplate<class _Tp, class _Alloc, class _A0, class _A1, class _A2> 4718227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4719227825Stheravenshared_ptr<_Tp> 4720227825Stheravenallocate_shared(const _Alloc& __a, _A0& __a0, _A1& __a1, _A2& __a2) 4721227825Stheraven{ 4722227825Stheraven return shared_ptr<_Tp>::allocate_shared(__a, __a0, __a1, __a2); 4723227825Stheraven} 4724227825Stheraven 4725227825Stheraven#endif // _LIBCPP_HAS_NO_VARIADICS 4726227825Stheraven 4727227825Stheraventemplate<class _Tp, class _Up> 4728227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4729227825Stheravenbool 4730227825Stheravenoperator==(const shared_ptr<_Tp>& __x, const shared_ptr<_Up>& __y) _NOEXCEPT 4731227825Stheraven{ 4732227825Stheraven return __x.get() == __y.get(); 4733227825Stheraven} 4734227825Stheraven 4735227825Stheraventemplate<class _Tp, class _Up> 4736227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4737227825Stheravenbool 4738227825Stheravenoperator!=(const shared_ptr<_Tp>& __x, const shared_ptr<_Up>& __y) _NOEXCEPT 4739227825Stheraven{ 4740227825Stheraven return !(__x == __y); 4741227825Stheraven} 4742227825Stheraven 4743227825Stheraventemplate<class _Tp, class _Up> 4744227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4745227825Stheravenbool 4746227825Stheravenoperator<(const shared_ptr<_Tp>& __x, const shared_ptr<_Up>& __y) _NOEXCEPT 4747227825Stheraven{ 4748232950Stheraven typedef typename common_type<_Tp*, _Up*>::type _V; 4749232950Stheraven return less<_V>()(__x.get(), __y.get()); 4750227825Stheraven} 4751227825Stheraven 4752232950Stheraventemplate<class _Tp, class _Up> 4753232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4754232950Stheravenbool 4755232950Stheravenoperator>(const shared_ptr<_Tp>& __x, const shared_ptr<_Up>& __y) _NOEXCEPT 4756232950Stheraven{ 4757232950Stheraven return __y < __x; 4758232950Stheraven} 4759232950Stheraven 4760232950Stheraventemplate<class _Tp, class _Up> 4761232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4762232950Stheravenbool 4763232950Stheravenoperator<=(const shared_ptr<_Tp>& __x, const shared_ptr<_Up>& __y) _NOEXCEPT 4764232950Stheraven{ 4765232950Stheraven return !(__y < __x); 4766232950Stheraven} 4767232950Stheraven 4768232950Stheraventemplate<class _Tp, class _Up> 4769232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4770232950Stheravenbool 4771232950Stheravenoperator>=(const shared_ptr<_Tp>& __x, const shared_ptr<_Up>& __y) _NOEXCEPT 4772232950Stheraven{ 4773232950Stheraven return !(__x < __y); 4774232950Stheraven} 4775232950Stheraven 4776227825Stheraventemplate<class _Tp> 4777227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4778232950Stheravenbool 4779232950Stheravenoperator==(const shared_ptr<_Tp>& __x, nullptr_t) _NOEXCEPT 4780232950Stheraven{ 4781232950Stheraven return !__x; 4782232950Stheraven} 4783232950Stheraven 4784232950Stheraventemplate<class _Tp> 4785232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4786232950Stheravenbool 4787232950Stheravenoperator==(nullptr_t, const shared_ptr<_Tp>& __x) _NOEXCEPT 4788232950Stheraven{ 4789232950Stheraven return !__x; 4790232950Stheraven} 4791232950Stheraven 4792232950Stheraventemplate<class _Tp> 4793232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4794232950Stheravenbool 4795232950Stheravenoperator!=(const shared_ptr<_Tp>& __x, nullptr_t) _NOEXCEPT 4796232950Stheraven{ 4797232950Stheraven return static_cast<bool>(__x); 4798232950Stheraven} 4799232950Stheraven 4800232950Stheraventemplate<class _Tp> 4801232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4802232950Stheravenbool 4803232950Stheravenoperator!=(nullptr_t, const shared_ptr<_Tp>& __x) _NOEXCEPT 4804232950Stheraven{ 4805232950Stheraven return static_cast<bool>(__x); 4806232950Stheraven} 4807232950Stheraven 4808232950Stheraventemplate<class _Tp> 4809232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4810232950Stheravenbool 4811232950Stheravenoperator<(const shared_ptr<_Tp>& __x, nullptr_t) _NOEXCEPT 4812232950Stheraven{ 4813232950Stheraven return less<_Tp*>()(__x.get(), nullptr); 4814232950Stheraven} 4815232950Stheraven 4816232950Stheraventemplate<class _Tp> 4817232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4818232950Stheravenbool 4819232950Stheravenoperator<(nullptr_t, const shared_ptr<_Tp>& __x) _NOEXCEPT 4820232950Stheraven{ 4821232950Stheraven return less<_Tp*>()(nullptr, __x.get()); 4822232950Stheraven} 4823232950Stheraven 4824232950Stheraventemplate<class _Tp> 4825232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4826232950Stheravenbool 4827232950Stheravenoperator>(const shared_ptr<_Tp>& __x, nullptr_t) _NOEXCEPT 4828232950Stheraven{ 4829232950Stheraven return nullptr < __x; 4830232950Stheraven} 4831232950Stheraven 4832232950Stheraventemplate<class _Tp> 4833232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4834232950Stheravenbool 4835232950Stheravenoperator>(nullptr_t, const shared_ptr<_Tp>& __x) _NOEXCEPT 4836232950Stheraven{ 4837232950Stheraven return __x < nullptr; 4838232950Stheraven} 4839232950Stheraven 4840232950Stheraventemplate<class _Tp> 4841232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4842232950Stheravenbool 4843232950Stheravenoperator<=(const shared_ptr<_Tp>& __x, nullptr_t) _NOEXCEPT 4844232950Stheraven{ 4845232950Stheraven return !(nullptr < __x); 4846232950Stheraven} 4847232950Stheraven 4848232950Stheraventemplate<class _Tp> 4849232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4850232950Stheravenbool 4851232950Stheravenoperator<=(nullptr_t, const shared_ptr<_Tp>& __x) _NOEXCEPT 4852232950Stheraven{ 4853232950Stheraven return !(__x < nullptr); 4854232950Stheraven} 4855232950Stheraven 4856232950Stheraventemplate<class _Tp> 4857232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4858232950Stheravenbool 4859232950Stheravenoperator>=(const shared_ptr<_Tp>& __x, nullptr_t) _NOEXCEPT 4860232950Stheraven{ 4861232950Stheraven return !(__x < nullptr); 4862232950Stheraven} 4863232950Stheraven 4864232950Stheraventemplate<class _Tp> 4865232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4866232950Stheravenbool 4867232950Stheravenoperator>=(nullptr_t, const shared_ptr<_Tp>& __x) _NOEXCEPT 4868232950Stheraven{ 4869232950Stheraven return !(nullptr < __x); 4870232950Stheraven} 4871232950Stheraven 4872232950Stheraventemplate<class _Tp> 4873232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 4874227825Stheravenvoid 4875227825Stheravenswap(shared_ptr<_Tp>& __x, shared_ptr<_Tp>& __y) _NOEXCEPT 4876227825Stheraven{ 4877227825Stheraven __x.swap(__y); 4878227825Stheraven} 4879227825Stheraven 4880227825Stheraventemplate<class _Tp, class _Up> 4881227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4882232950Stheraventypename enable_if 4883232950Stheraven< 4884232950Stheraven !is_array<_Tp>::value && !is_array<_Up>::value, 4885232950Stheraven shared_ptr<_Tp> 4886232950Stheraven>::type 4887227825Stheravenstatic_pointer_cast(const shared_ptr<_Up>& __r) _NOEXCEPT 4888227825Stheraven{ 4889227825Stheraven return shared_ptr<_Tp>(__r, static_cast<_Tp*>(__r.get())); 4890227825Stheraven} 4891227825Stheraven 4892227825Stheraventemplate<class _Tp, class _Up> 4893227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4894232950Stheraventypename enable_if 4895232950Stheraven< 4896232950Stheraven !is_array<_Tp>::value && !is_array<_Up>::value, 4897232950Stheraven shared_ptr<_Tp> 4898232950Stheraven>::type 4899227825Stheravendynamic_pointer_cast(const shared_ptr<_Up>& __r) _NOEXCEPT 4900227825Stheraven{ 4901227825Stheraven _Tp* __p = dynamic_cast<_Tp*>(__r.get()); 4902227825Stheraven return __p ? shared_ptr<_Tp>(__r, __p) : shared_ptr<_Tp>(); 4903227825Stheraven} 4904227825Stheraven 4905227825Stheraventemplate<class _Tp, class _Up> 4906232950Stheraventypename enable_if 4907232950Stheraven< 4908232950Stheraven is_array<_Tp>::value == is_array<_Up>::value, 4909232950Stheraven shared_ptr<_Tp> 4910232950Stheraven>::type 4911227825Stheravenconst_pointer_cast(const shared_ptr<_Up>& __r) _NOEXCEPT 4912227825Stheraven{ 4913232950Stheraven typedef typename remove_extent<_Tp>::type _RTp; 4914232950Stheraven return shared_ptr<_Tp>(__r, const_cast<_RTp*>(__r.get())); 4915227825Stheraven} 4916227825Stheraven 4917227825Stheraven#ifndef _LIBCPP_NO_RTTI 4918227825Stheraven 4919227825Stheraventemplate<class _Dp, class _Tp> 4920227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 4921227825Stheraven_Dp* 4922227825Stheravenget_deleter(const shared_ptr<_Tp>& __p) _NOEXCEPT 4923227825Stheraven{ 4924227825Stheraven return __p.template __get_deleter<_Dp>(); 4925227825Stheraven} 4926227825Stheraven 4927227825Stheraven#endif // _LIBCPP_NO_RTTI 4928227825Stheraven 4929227825Stheraventemplate<class _Tp> 4930262801Sdimclass _LIBCPP_TYPE_VIS_ONLY weak_ptr 4931227825Stheraven{ 4932227825Stheravenpublic: 4933227825Stheraven typedef _Tp element_type; 4934227825Stheravenprivate: 4935227825Stheraven element_type* __ptr_; 4936227825Stheraven __shared_weak_count* __cntrl_; 4937227825Stheraven 4938227825Stheravenpublic: 4939241903Sdim _LIBCPP_CONSTEXPR weak_ptr() _NOEXCEPT; 4940227825Stheraven template<class _Yp> weak_ptr(shared_ptr<_Yp> const& __r, 4941227825Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat*>::type = 0) 4942227825Stheraven _NOEXCEPT; 4943227825Stheraven weak_ptr(weak_ptr const& __r) _NOEXCEPT; 4944227825Stheraven template<class _Yp> weak_ptr(weak_ptr<_Yp> const& __r, 4945227825Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat*>::type = 0) 4946227825Stheraven _NOEXCEPT; 4947227825Stheraven 4948232950Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 4949232950Stheraven weak_ptr(weak_ptr&& __r) _NOEXCEPT; 4950232950Stheraven template<class _Yp> weak_ptr(weak_ptr<_Yp>&& __r, 4951232950Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat*>::type = 0) 4952232950Stheraven _NOEXCEPT; 4953232950Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 4954227825Stheraven ~weak_ptr(); 4955227825Stheraven 4956227825Stheraven weak_ptr& operator=(weak_ptr const& __r) _NOEXCEPT; 4957232950Stheraven template<class _Yp> 4958232950Stheraven typename enable_if 4959232950Stheraven < 4960232950Stheraven is_convertible<_Yp*, element_type*>::value, 4961232950Stheraven weak_ptr& 4962232950Stheraven >::type 4963232950Stheraven operator=(weak_ptr<_Yp> const& __r) _NOEXCEPT; 4964227825Stheraven 4965232950Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 4966232950Stheraven 4967232950Stheraven weak_ptr& operator=(weak_ptr&& __r) _NOEXCEPT; 4968232950Stheraven template<class _Yp> 4969232950Stheraven typename enable_if 4970232950Stheraven < 4971232950Stheraven is_convertible<_Yp*, element_type*>::value, 4972232950Stheraven weak_ptr& 4973232950Stheraven >::type 4974232950Stheraven operator=(weak_ptr<_Yp>&& __r) _NOEXCEPT; 4975232950Stheraven 4976232950Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 4977232950Stheraven 4978232950Stheraven template<class _Yp> 4979232950Stheraven typename enable_if 4980232950Stheraven < 4981232950Stheraven is_convertible<_Yp*, element_type*>::value, 4982232950Stheraven weak_ptr& 4983232950Stheraven >::type 4984232950Stheraven operator=(shared_ptr<_Yp> const& __r) _NOEXCEPT; 4985232950Stheraven 4986227825Stheraven void swap(weak_ptr& __r) _NOEXCEPT; 4987227825Stheraven void reset() _NOEXCEPT; 4988227825Stheraven 4989227825Stheraven _LIBCPP_INLINE_VISIBILITY 4990227825Stheraven long use_count() const _NOEXCEPT 4991227825Stheraven {return __cntrl_ ? __cntrl_->use_count() : 0;} 4992227825Stheraven _LIBCPP_INLINE_VISIBILITY 4993227825Stheraven bool expired() const _NOEXCEPT 4994227825Stheraven {return __cntrl_ == 0 || __cntrl_->use_count() == 0;} 4995227825Stheraven shared_ptr<_Tp> lock() const _NOEXCEPT; 4996227825Stheraven template<class _Up> 4997227825Stheraven _LIBCPP_INLINE_VISIBILITY 4998227825Stheraven bool owner_before(const shared_ptr<_Up>& __r) const 4999227825Stheraven {return __cntrl_ < __r.__cntrl_;} 5000227825Stheraven template<class _Up> 5001227825Stheraven _LIBCPP_INLINE_VISIBILITY 5002227825Stheraven bool owner_before(const weak_ptr<_Up>& __r) const 5003227825Stheraven {return __cntrl_ < __r.__cntrl_;} 5004227825Stheraven 5005262801Sdim template <class _Up> friend class _LIBCPP_TYPE_VIS_ONLY weak_ptr; 5006262801Sdim template <class _Up> friend class _LIBCPP_TYPE_VIS_ONLY shared_ptr; 5007227825Stheraven}; 5008227825Stheraven 5009227825Stheraventemplate<class _Tp> 5010227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 5011241903Sdim_LIBCPP_CONSTEXPR 5012227825Stheravenweak_ptr<_Tp>::weak_ptr() _NOEXCEPT 5013227825Stheraven : __ptr_(0), 5014227825Stheraven __cntrl_(0) 5015227825Stheraven{ 5016227825Stheraven} 5017227825Stheraven 5018227825Stheraventemplate<class _Tp> 5019227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 5020227825Stheravenweak_ptr<_Tp>::weak_ptr(weak_ptr const& __r) _NOEXCEPT 5021227825Stheraven : __ptr_(__r.__ptr_), 5022227825Stheraven __cntrl_(__r.__cntrl_) 5023227825Stheraven{ 5024227825Stheraven if (__cntrl_) 5025227825Stheraven __cntrl_->__add_weak(); 5026227825Stheraven} 5027227825Stheraven 5028227825Stheraventemplate<class _Tp> 5029227825Stheraventemplate<class _Yp> 5030227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 5031227825Stheravenweak_ptr<_Tp>::weak_ptr(shared_ptr<_Yp> const& __r, 5032227825Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat*>::type) 5033227825Stheraven _NOEXCEPT 5034227825Stheraven : __ptr_(__r.__ptr_), 5035227825Stheraven __cntrl_(__r.__cntrl_) 5036227825Stheraven{ 5037227825Stheraven if (__cntrl_) 5038227825Stheraven __cntrl_->__add_weak(); 5039227825Stheraven} 5040227825Stheraven 5041227825Stheraventemplate<class _Tp> 5042227825Stheraventemplate<class _Yp> 5043227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 5044227825Stheravenweak_ptr<_Tp>::weak_ptr(weak_ptr<_Yp> const& __r, 5045227825Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat*>::type) 5046227825Stheraven _NOEXCEPT 5047227825Stheraven : __ptr_(__r.__ptr_), 5048227825Stheraven __cntrl_(__r.__cntrl_) 5049227825Stheraven{ 5050227825Stheraven if (__cntrl_) 5051227825Stheraven __cntrl_->__add_weak(); 5052227825Stheraven} 5053227825Stheraven 5054232950Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 5055232950Stheraven 5056227825Stheraventemplate<class _Tp> 5057232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 5058232950Stheravenweak_ptr<_Tp>::weak_ptr(weak_ptr&& __r) _NOEXCEPT 5059232950Stheraven : __ptr_(__r.__ptr_), 5060232950Stheraven __cntrl_(__r.__cntrl_) 5061232950Stheraven{ 5062232950Stheraven __r.__ptr_ = 0; 5063232950Stheraven __r.__cntrl_ = 0; 5064232950Stheraven} 5065232950Stheraven 5066232950Stheraventemplate<class _Tp> 5067232950Stheraventemplate<class _Yp> 5068232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 5069232950Stheravenweak_ptr<_Tp>::weak_ptr(weak_ptr<_Yp>&& __r, 5070232950Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat*>::type) 5071232950Stheraven _NOEXCEPT 5072232950Stheraven : __ptr_(__r.__ptr_), 5073232950Stheraven __cntrl_(__r.__cntrl_) 5074232950Stheraven{ 5075232950Stheraven __r.__ptr_ = 0; 5076232950Stheraven __r.__cntrl_ = 0; 5077232950Stheraven} 5078232950Stheraven 5079232950Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 5080232950Stheraven 5081232950Stheraventemplate<class _Tp> 5082227825Stheravenweak_ptr<_Tp>::~weak_ptr() 5083227825Stheraven{ 5084227825Stheraven if (__cntrl_) 5085227825Stheraven __cntrl_->__release_weak(); 5086227825Stheraven} 5087227825Stheraven 5088227825Stheraventemplate<class _Tp> 5089227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 5090227825Stheravenweak_ptr<_Tp>& 5091227825Stheravenweak_ptr<_Tp>::operator=(weak_ptr const& __r) _NOEXCEPT 5092227825Stheraven{ 5093227825Stheraven weak_ptr(__r).swap(*this); 5094227825Stheraven return *this; 5095227825Stheraven} 5096227825Stheraven 5097227825Stheraventemplate<class _Tp> 5098227825Stheraventemplate<class _Yp> 5099227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 5100232950Stheraventypename enable_if 5101232950Stheraven< 5102232950Stheraven is_convertible<_Yp*, _Tp*>::value, 5103232950Stheraven weak_ptr<_Tp>& 5104232950Stheraven>::type 5105227825Stheravenweak_ptr<_Tp>::operator=(weak_ptr<_Yp> const& __r) _NOEXCEPT 5106227825Stheraven{ 5107227825Stheraven weak_ptr(__r).swap(*this); 5108227825Stheraven return *this; 5109227825Stheraven} 5110227825Stheraven 5111232950Stheraven#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 5112232950Stheraven 5113227825Stheraventemplate<class _Tp> 5114232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 5115232950Stheravenweak_ptr<_Tp>& 5116232950Stheravenweak_ptr<_Tp>::operator=(weak_ptr&& __r) _NOEXCEPT 5117232950Stheraven{ 5118232950Stheraven weak_ptr(_VSTD::move(__r)).swap(*this); 5119232950Stheraven return *this; 5120232950Stheraven} 5121232950Stheraven 5122232950Stheraventemplate<class _Tp> 5123227825Stheraventemplate<class _Yp> 5124227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 5125232950Stheraventypename enable_if 5126232950Stheraven< 5127232950Stheraven is_convertible<_Yp*, _Tp*>::value, 5128232950Stheraven weak_ptr<_Tp>& 5129232950Stheraven>::type 5130232950Stheravenweak_ptr<_Tp>::operator=(weak_ptr<_Yp>&& __r) _NOEXCEPT 5131232950Stheraven{ 5132232950Stheraven weak_ptr(_VSTD::move(__r)).swap(*this); 5133232950Stheraven return *this; 5134232950Stheraven} 5135232950Stheraven 5136232950Stheraven#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 5137232950Stheraven 5138232950Stheraventemplate<class _Tp> 5139232950Stheraventemplate<class _Yp> 5140232950Stheraveninline _LIBCPP_INLINE_VISIBILITY 5141232950Stheraventypename enable_if 5142232950Stheraven< 5143232950Stheraven is_convertible<_Yp*, _Tp*>::value, 5144232950Stheraven weak_ptr<_Tp>& 5145232950Stheraven>::type 5146227825Stheravenweak_ptr<_Tp>::operator=(shared_ptr<_Yp> const& __r) _NOEXCEPT 5147227825Stheraven{ 5148227825Stheraven weak_ptr(__r).swap(*this); 5149227825Stheraven return *this; 5150227825Stheraven} 5151227825Stheraven 5152227825Stheraventemplate<class _Tp> 5153227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 5154227825Stheravenvoid 5155227825Stheravenweak_ptr<_Tp>::swap(weak_ptr& __r) _NOEXCEPT 5156227825Stheraven{ 5157227825Stheraven _VSTD::swap(__ptr_, __r.__ptr_); 5158227825Stheraven _VSTD::swap(__cntrl_, __r.__cntrl_); 5159227825Stheraven} 5160227825Stheraven 5161227825Stheraventemplate<class _Tp> 5162227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 5163227825Stheravenvoid 5164227825Stheravenswap(weak_ptr<_Tp>& __x, weak_ptr<_Tp>& __y) _NOEXCEPT 5165227825Stheraven{ 5166227825Stheraven __x.swap(__y); 5167227825Stheraven} 5168227825Stheraven 5169227825Stheraventemplate<class _Tp> 5170227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 5171227825Stheravenvoid 5172227825Stheravenweak_ptr<_Tp>::reset() _NOEXCEPT 5173227825Stheraven{ 5174227825Stheraven weak_ptr().swap(*this); 5175227825Stheraven} 5176227825Stheraven 5177227825Stheraventemplate<class _Tp> 5178227825Stheraventemplate<class _Yp> 5179227825Stheravenshared_ptr<_Tp>::shared_ptr(const weak_ptr<_Yp>& __r, 5180227825Stheraven typename enable_if<is_convertible<_Yp*, _Tp*>::value, __nat>::type) 5181227825Stheraven : __ptr_(__r.__ptr_), 5182227825Stheraven __cntrl_(__r.__cntrl_ ? __r.__cntrl_->lock() : __r.__cntrl_) 5183227825Stheraven{ 5184227825Stheraven if (__cntrl_ == 0) 5185227825Stheraven#ifndef _LIBCPP_NO_EXCEPTIONS 5186227825Stheraven throw bad_weak_ptr(); 5187227825Stheraven#else 5188227825Stheraven assert(!"bad_weak_ptr"); 5189227825Stheraven#endif 5190227825Stheraven} 5191227825Stheraven 5192227825Stheraventemplate<class _Tp> 5193227825Stheravenshared_ptr<_Tp> 5194227825Stheravenweak_ptr<_Tp>::lock() const _NOEXCEPT 5195227825Stheraven{ 5196227825Stheraven shared_ptr<_Tp> __r; 5197227825Stheraven __r.__cntrl_ = __cntrl_ ? __cntrl_->lock() : __cntrl_; 5198227825Stheraven if (__r.__cntrl_) 5199227825Stheraven __r.__ptr_ = __ptr_; 5200227825Stheraven return __r; 5201227825Stheraven} 5202227825Stheraven 5203227825Stheraventemplate <class _Tp> struct owner_less; 5204227825Stheraven 5205227825Stheraventemplate <class _Tp> 5206262801Sdimstruct _LIBCPP_TYPE_VIS_ONLY owner_less<shared_ptr<_Tp> > 5207227825Stheraven : binary_function<shared_ptr<_Tp>, shared_ptr<_Tp>, bool> 5208227825Stheraven{ 5209227825Stheraven typedef bool result_type; 5210227825Stheraven _LIBCPP_INLINE_VISIBILITY 5211227825Stheraven bool operator()(shared_ptr<_Tp> const& __x, shared_ptr<_Tp> const& __y) const 5212227825Stheraven {return __x.owner_before(__y);} 5213227825Stheraven _LIBCPP_INLINE_VISIBILITY 5214227825Stheraven bool operator()(shared_ptr<_Tp> const& __x, weak_ptr<_Tp> const& __y) const 5215227825Stheraven {return __x.owner_before(__y);} 5216227825Stheraven _LIBCPP_INLINE_VISIBILITY 5217227825Stheraven bool operator()( weak_ptr<_Tp> const& __x, shared_ptr<_Tp> const& __y) const 5218227825Stheraven {return __x.owner_before(__y);} 5219227825Stheraven}; 5220227825Stheraven 5221227825Stheraventemplate <class _Tp> 5222262801Sdimstruct _LIBCPP_TYPE_VIS_ONLY owner_less<weak_ptr<_Tp> > 5223227825Stheraven : binary_function<weak_ptr<_Tp>, weak_ptr<_Tp>, bool> 5224227825Stheraven{ 5225227825Stheraven typedef bool result_type; 5226227825Stheraven _LIBCPP_INLINE_VISIBILITY 5227227825Stheraven bool operator()( weak_ptr<_Tp> const& __x, weak_ptr<_Tp> const& __y) const 5228227825Stheraven {return __x.owner_before(__y);} 5229227825Stheraven _LIBCPP_INLINE_VISIBILITY 5230227825Stheraven bool operator()(shared_ptr<_Tp> const& __x, weak_ptr<_Tp> const& __y) const 5231227825Stheraven {return __x.owner_before(__y);} 5232227825Stheraven _LIBCPP_INLINE_VISIBILITY 5233227825Stheraven bool operator()( weak_ptr<_Tp> const& __x, shared_ptr<_Tp> const& __y) const 5234227825Stheraven {return __x.owner_before(__y);} 5235227825Stheraven}; 5236227825Stheraven 5237227825Stheraventemplate<class _Tp> 5238262801Sdimclass _LIBCPP_TYPE_VIS_ONLY enable_shared_from_this 5239227825Stheraven{ 5240227825Stheraven mutable weak_ptr<_Tp> __weak_this_; 5241227825Stheravenprotected: 5242241903Sdim _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR 5243227825Stheraven enable_shared_from_this() _NOEXCEPT {} 5244227825Stheraven _LIBCPP_INLINE_VISIBILITY 5245227825Stheraven enable_shared_from_this(enable_shared_from_this const&) _NOEXCEPT {} 5246227825Stheraven _LIBCPP_INLINE_VISIBILITY 5247227825Stheraven enable_shared_from_this& operator=(enable_shared_from_this const&) _NOEXCEPT 5248227825Stheraven {return *this;} 5249227825Stheraven _LIBCPP_INLINE_VISIBILITY 5250227825Stheraven ~enable_shared_from_this() {} 5251227825Stheravenpublic: 5252227825Stheraven _LIBCPP_INLINE_VISIBILITY 5253227825Stheraven shared_ptr<_Tp> shared_from_this() 5254227825Stheraven {return shared_ptr<_Tp>(__weak_this_);} 5255227825Stheraven _LIBCPP_INLINE_VISIBILITY 5256227825Stheraven shared_ptr<_Tp const> shared_from_this() const 5257227825Stheraven {return shared_ptr<const _Tp>(__weak_this_);} 5258227825Stheraven 5259227825Stheraven template <class _Up> friend class shared_ptr; 5260227825Stheraven}; 5261227825Stheraven 5262227825Stheraventemplate <class _Tp> 5263262801Sdimstruct _LIBCPP_TYPE_VIS_ONLY hash<shared_ptr<_Tp> > 5264227825Stheraven{ 5265227825Stheraven typedef shared_ptr<_Tp> argument_type; 5266227825Stheraven typedef size_t result_type; 5267227825Stheraven _LIBCPP_INLINE_VISIBILITY 5268227825Stheraven result_type operator()(const argument_type& __ptr) const _NOEXCEPT 5269227825Stheraven { 5270227825Stheraven return hash<_Tp*>()(__ptr.get()); 5271227825Stheraven } 5272227825Stheraven}; 5273227825Stheraven 5274232950Stheraventemplate<class _CharT, class _Traits, class _Yp> 5275227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 5276227825Stheravenbasic_ostream<_CharT, _Traits>& 5277232950Stheravenoperator<<(basic_ostream<_CharT, _Traits>& __os, shared_ptr<_Yp> const& __p); 5278227825Stheraven 5279278724Sdim#if __has_feature(cxx_atomic) && !defined(_LIBCPP_HAS_NO_THREADS) 5280241903Sdim 5281262801Sdimclass _LIBCPP_TYPE_VIS __sp_mut 5282241903Sdim{ 5283242945Stheraven void* __lx; 5284241903Sdimpublic: 5285241903Sdim void lock() _NOEXCEPT; 5286241903Sdim void unlock() _NOEXCEPT; 5287241903Sdim 5288241903Sdimprivate: 5289241903Sdim _LIBCPP_CONSTEXPR __sp_mut(void*) _NOEXCEPT; 5290241903Sdim __sp_mut(const __sp_mut&); 5291241903Sdim __sp_mut& operator=(const __sp_mut&); 5292241903Sdim 5293249998Sdim friend _LIBCPP_FUNC_VIS __sp_mut& __get_sp_mut(const void*); 5294241903Sdim}; 5295241903Sdim 5296249998Sdim_LIBCPP_FUNC_VIS __sp_mut& __get_sp_mut(const void*); 5297241903Sdim 5298241903Sdimtemplate <class _Tp> 5299241903Sdiminline _LIBCPP_INLINE_VISIBILITY 5300241903Sdimbool 5301241903Sdimatomic_is_lock_free(const shared_ptr<_Tp>*) 5302241903Sdim{ 5303241903Sdim return false; 5304241903Sdim} 5305241903Sdim 5306241903Sdimtemplate <class _Tp> 5307241903Sdimshared_ptr<_Tp> 5308241903Sdimatomic_load(const shared_ptr<_Tp>* __p) 5309241903Sdim{ 5310241903Sdim __sp_mut& __m = __get_sp_mut(__p); 5311241903Sdim __m.lock(); 5312241903Sdim shared_ptr<_Tp> __q = *__p; 5313241903Sdim __m.unlock(); 5314241903Sdim return __q; 5315241903Sdim} 5316241903Sdim 5317241903Sdimtemplate <class _Tp> 5318241903Sdiminline _LIBCPP_INLINE_VISIBILITY 5319241903Sdimshared_ptr<_Tp> 5320241903Sdimatomic_load_explicit(const shared_ptr<_Tp>* __p, memory_order) 5321241903Sdim{ 5322241903Sdim return atomic_load(__p); 5323241903Sdim} 5324241903Sdim 5325241903Sdimtemplate <class _Tp> 5326241903Sdimvoid 5327241903Sdimatomic_store(shared_ptr<_Tp>* __p, shared_ptr<_Tp> __r) 5328241903Sdim{ 5329241903Sdim __sp_mut& __m = __get_sp_mut(__p); 5330241903Sdim __m.lock(); 5331241903Sdim __p->swap(__r); 5332241903Sdim __m.unlock(); 5333241903Sdim} 5334241903Sdim 5335241903Sdimtemplate <class _Tp> 5336241903Sdiminline _LIBCPP_INLINE_VISIBILITY 5337241903Sdimvoid 5338241903Sdimatomic_store_explicit(shared_ptr<_Tp>* __p, shared_ptr<_Tp> __r, memory_order) 5339241903Sdim{ 5340241903Sdim atomic_store(__p, __r); 5341241903Sdim} 5342241903Sdim 5343241903Sdimtemplate <class _Tp> 5344241903Sdimshared_ptr<_Tp> 5345241903Sdimatomic_exchange(shared_ptr<_Tp>* __p, shared_ptr<_Tp> __r) 5346241903Sdim{ 5347241903Sdim __sp_mut& __m = __get_sp_mut(__p); 5348241903Sdim __m.lock(); 5349241903Sdim __p->swap(__r); 5350241903Sdim __m.unlock(); 5351241903Sdim return __r; 5352241903Sdim} 5353241903Sdim 5354241903Sdimtemplate <class _Tp> 5355241903Sdiminline _LIBCPP_INLINE_VISIBILITY 5356241903Sdimshared_ptr<_Tp> 5357241903Sdimatomic_exchange_explicit(shared_ptr<_Tp>* __p, shared_ptr<_Tp> __r, memory_order) 5358241903Sdim{ 5359241903Sdim return atomic_exchange(__p, __r); 5360241903Sdim} 5361241903Sdim 5362241903Sdimtemplate <class _Tp> 5363241903Sdimbool 5364241903Sdimatomic_compare_exchange_strong(shared_ptr<_Tp>* __p, shared_ptr<_Tp>* __v, shared_ptr<_Tp> __w) 5365241903Sdim{ 5366241903Sdim __sp_mut& __m = __get_sp_mut(__p); 5367241903Sdim __m.lock(); 5368241903Sdim if (__p->__owner_equivalent(*__v)) 5369241903Sdim { 5370241903Sdim *__p = __w; 5371241903Sdim __m.unlock(); 5372241903Sdim return true; 5373241903Sdim } 5374241903Sdim *__v = *__p; 5375241903Sdim __m.unlock(); 5376241903Sdim return false; 5377241903Sdim} 5378241903Sdim 5379241903Sdimtemplate <class _Tp> 5380241903Sdiminline _LIBCPP_INLINE_VISIBILITY 5381241903Sdimbool 5382241903Sdimatomic_compare_exchange_weak(shared_ptr<_Tp>* __p, shared_ptr<_Tp>* __v, shared_ptr<_Tp> __w) 5383241903Sdim{ 5384241903Sdim return atomic_compare_exchange_strong(__p, __v, __w); 5385241903Sdim} 5386241903Sdim 5387241903Sdimtemplate <class _Tp> 5388241903Sdiminline _LIBCPP_INLINE_VISIBILITY 5389241903Sdimbool 5390241903Sdimatomic_compare_exchange_strong_explicit(shared_ptr<_Tp>* __p, shared_ptr<_Tp>* __v, 5391241903Sdim shared_ptr<_Tp> __w, memory_order, memory_order) 5392241903Sdim{ 5393241903Sdim return atomic_compare_exchange_strong(__p, __v, __w); 5394241903Sdim} 5395241903Sdim 5396241903Sdimtemplate <class _Tp> 5397241903Sdiminline _LIBCPP_INLINE_VISIBILITY 5398241903Sdimbool 5399241903Sdimatomic_compare_exchange_weak_explicit(shared_ptr<_Tp>* __p, shared_ptr<_Tp>* __v, 5400241903Sdim shared_ptr<_Tp> __w, memory_order, memory_order) 5401241903Sdim{ 5402241903Sdim return atomic_compare_exchange_weak(__p, __v, __w); 5403241903Sdim} 5404241903Sdim 5405278724Sdim#endif // __has_feature(cxx_atomic) && !defined(_LIBCPP_HAS_NO_THREADS) 5406241903Sdim 5407227825Stheraven//enum class 5408249998Sdimstruct _LIBCPP_TYPE_VIS pointer_safety 5409227825Stheraven{ 5410242945Stheraven enum __lx 5411227825Stheraven { 5412227825Stheraven relaxed, 5413227825Stheraven preferred, 5414227825Stheraven strict 5415227825Stheraven }; 5416227825Stheraven 5417242945Stheraven __lx __v_; 5418227825Stheraven 5419227825Stheraven _LIBCPP_INLINE_VISIBILITY 5420242945Stheraven pointer_safety(__lx __v) : __v_(__v) {} 5421227825Stheraven _LIBCPP_INLINE_VISIBILITY 5422227825Stheraven operator int() const {return __v_;} 5423227825Stheraven}; 5424227825Stheraven 5425262801Sdim_LIBCPP_FUNC_VIS void declare_reachable(void* __p); 5426262801Sdim_LIBCPP_FUNC_VIS void declare_no_pointers(char* __p, size_t __n); 5427262801Sdim_LIBCPP_FUNC_VIS void undeclare_no_pointers(char* __p, size_t __n); 5428262801Sdim_LIBCPP_FUNC_VIS pointer_safety get_pointer_safety() _NOEXCEPT; 5429262801Sdim_LIBCPP_FUNC_VIS void* __undeclare_reachable(void* __p); 5430227825Stheraven 5431227825Stheraventemplate <class _Tp> 5432227825Stheraveninline _LIBCPP_INLINE_VISIBILITY 5433227825Stheraven_Tp* 5434227825Stheravenundeclare_reachable(_Tp* __p) 5435227825Stheraven{ 5436227825Stheraven return static_cast<_Tp*>(__undeclare_reachable(__p)); 5437227825Stheraven} 5438227825Stheraven 5439262801Sdim_LIBCPP_FUNC_VIS void* align(size_t __align, size_t __sz, void*& __ptr, size_t& __space); 5440227825Stheraven 5441227825Stheraven_LIBCPP_END_NAMESPACE_STD 5442227825Stheraven 5443227825Stheraven#endif // _LIBCPP_MEMORY 5444