1 | ////////////////////////////////////////////////////////////////////////////// |
2 | // |
3 | // (C) Copyright Pablo Halpern 2009. Distributed under the Boost |
4 | // Software License, Version 1.0. (See accompanying file |
5 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
6 | // |
7 | ////////////////////////////////////////////////////////////////////////////// |
8 | // |
9 | // (C) Copyright Ion Gaztanaga 2011-2013. Distributed under the Boost |
10 | // Software License, Version 1.0. (See accompanying file |
11 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
12 | // |
13 | // See http://www.boost.org/libs/container for documentation. |
14 | // |
15 | ////////////////////////////////////////////////////////////////////////////// |
16 | #ifndef BOOST_CONTAINER_ALLOCATOR_ALLOCATOR_TRAITS_HPP |
17 | #define BOOST_CONTAINER_ALLOCATOR_ALLOCATOR_TRAITS_HPP |
18 | |
19 | #ifndef BOOST_CONFIG_HPP |
20 | # include <boost/config.hpp> |
21 | #endif |
22 | |
23 | #if defined(BOOST_HAS_PRAGMA_ONCE) |
24 | # pragma once |
25 | #endif |
26 | |
27 | #include <boost/container/detail/config_begin.hpp> |
28 | #include <boost/container/detail/workaround.hpp> |
29 | |
30 | // container |
31 | #include <boost/container/container_fwd.hpp> |
32 | #include <boost/container/detail/mpl.hpp> |
33 | #include <boost/container/detail/type_traits.hpp> //is_empty |
34 | #include <boost/container/detail/placement_new.hpp> |
35 | #ifndef BOOST_CONTAINER_DETAIL_STD_FWD_HPP |
36 | #include <boost/container/detail/std_fwd.hpp> |
37 | #endif |
38 | // intrusive |
39 | #include <boost/intrusive/pointer_traits.hpp> |
40 | #include <boost/intrusive/detail/mpl.hpp> |
41 | // move |
42 | #include <boost/move/utility_core.hpp> |
43 | // move/detail |
44 | #if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) |
45 | #include <boost/move/detail/fwd_macros.hpp> |
46 | #endif |
47 | // other boost |
48 | #include <boost/static_assert.hpp> |
49 | |
50 | #ifndef BOOST_CONTAINER_DOXYGEN_INVOKED |
51 | |
52 | #define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME allocate |
53 | #define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_BEG namespace boost { namespace container { namespace container_detail { |
54 | #define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_END }}} |
55 | #define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MIN 2 |
56 | #define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX 2 |
57 | #include <boost/intrusive/detail/has_member_function_callable_with.hpp> |
58 | |
59 | #define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME destroy |
60 | #define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_BEG namespace boost { namespace container { namespace container_detail { |
61 | #define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_END }}} |
62 | #define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MIN 1 |
63 | #define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX 1 |
64 | #include <boost/intrusive/detail/has_member_function_callable_with.hpp> |
65 | |
66 | #define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME construct |
67 | #define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_BEG namespace boost { namespace container { namespace container_detail { |
68 | #define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_END }}} |
69 | #define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MIN 1 |
70 | #define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX 9 |
71 | #include <boost/intrusive/detail/has_member_function_callable_with.hpp> |
72 | |
73 | #endif //#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED |
74 | |
75 | namespace boost { |
76 | namespace container { |
77 | |
78 | #ifndef BOOST_CONTAINER_DOXYGEN_INVOKED |
79 | |
80 | template<class Allocator> |
81 | class small_vector_allocator; |
82 | |
83 | namespace allocator_traits_detail { |
84 | |
85 | BOOST_INTRUSIVE_HAS_STATIC_MEMBER_FUNC_SIGNATURE(has_max_size, max_size) |
86 | BOOST_INTRUSIVE_HAS_STATIC_MEMBER_FUNC_SIGNATURE(has_select_on_container_copy_construction, select_on_container_copy_construction) |
87 | |
88 | } //namespace allocator_traits_detail { |
89 | |
90 | namespace container_detail { |
91 | |
92 | //workaround needed for C++03 compilers with no construct() |
93 | //supporting rvalue references |
94 | template<class Allocator> |
95 | struct is_std_allocator |
96 | { static const bool value = false; }; |
97 | |
98 | template<class T> |
99 | struct is_std_allocator< std::allocator<T> > |
100 | { static const bool value = true; }; |
101 | |
102 | template<class T> |
103 | struct is_std_allocator< small_vector_allocator< std::allocator<T> > > |
104 | { static const bool value = true; }; |
105 | |
106 | template<class Allocator> |
107 | struct is_not_std_allocator |
108 | { static const bool value = !is_std_allocator<Allocator>::value; }; |
109 | |
110 | BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(pointer) |
111 | BOOST_INTRUSIVE_INSTANTIATE_EVAL_DEFAULT_TYPE_TMPLT(const_pointer) |
112 | BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(reference) |
113 | BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(const_reference) |
114 | BOOST_INTRUSIVE_INSTANTIATE_EVAL_DEFAULT_TYPE_TMPLT(void_pointer) |
115 | BOOST_INTRUSIVE_INSTANTIATE_EVAL_DEFAULT_TYPE_TMPLT(const_void_pointer) |
116 | BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(size_type) |
117 | BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(propagate_on_container_copy_assignment) |
118 | BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(propagate_on_container_move_assignment) |
119 | BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(propagate_on_container_swap) |
120 | BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(is_always_equal) |
121 | BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(difference_type) |
122 | BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(is_partially_propagable) |
123 | |
124 | } //namespace container_detail { |
125 | |
126 | #endif //#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED |
127 | |
128 | //! The class template allocator_traits supplies a uniform interface to all allocator types. |
129 | //! This class is a C++03-compatible implementation of std::allocator_traits |
130 | template <typename Allocator> |
131 | struct allocator_traits |
132 | { |
133 | //allocator_type |
134 | typedef Allocator allocator_type; |
135 | //value_type |
136 | typedef typename allocator_type::value_type value_type; |
137 | |
138 | #if defined(BOOST_CONTAINER_DOXYGEN_INVOKED) |
139 | //! Allocator::pointer if such a type exists; otherwise, value_type* |
140 | //! |
141 | typedef unspecified pointer; |
142 | //! Allocator::const_pointer if such a type exists ; otherwise, pointer_traits<pointer>::rebind<const |
143 | //! |
144 | typedef see_documentation const_pointer; |
145 | //! Non-standard extension |
146 | //! Allocator::reference if such a type exists; otherwise, value_type& |
147 | typedef see_documentation reference; |
148 | //! Non-standard extension |
149 | //! Allocator::const_reference if such a type exists ; otherwise, const value_type& |
150 | typedef see_documentation const_reference; |
151 | //! Allocator::void_pointer if such a type exists ; otherwise, pointer_traits<pointer>::rebind<void>. |
152 | //! |
153 | typedef see_documentation void_pointer; |
154 | //! Allocator::const_void_pointer if such a type exists ; otherwis e, pointer_traits<pointer>::rebind<const |
155 | //! |
156 | typedef see_documentation const_void_pointer; |
157 | //! Allocator::difference_type if such a type exists ; otherwise, pointer_traits<pointer>::difference_type. |
158 | //! |
159 | typedef see_documentation difference_type; |
160 | //! Allocator::size_type if such a type exists ; otherwise, make_unsigned<difference_type>::type |
161 | //! |
162 | typedef see_documentation size_type; |
163 | //! Allocator::propagate_on_container_copy_assignment if such a type exists, otherwise a type |
164 | //! with an internal constant static boolean member <code>value</code> == false. |
165 | typedef see_documentation propagate_on_container_copy_assignment; |
166 | //! Allocator::propagate_on_container_move_assignment if such a type exists, otherwise a type |
167 | //! with an internal constant static boolean member <code>value</code> == false. |
168 | typedef see_documentation propagate_on_container_move_assignment; |
169 | //! Allocator::propagate_on_container_swap if such a type exists, otherwise a type |
170 | //! with an internal constant static boolean member <code>value</code> == false. |
171 | typedef see_documentation propagate_on_container_swap; |
172 | //! Allocator::is_always_equal if such a type exists, otherwise a type |
173 | //! with an internal constant static boolean member <code>value</code> == is_empty<Allocator>::value |
174 | typedef see_documentation is_always_equal; |
175 | //! Allocator::is_partially_propagable if such a type exists, otherwise a type |
176 | //! with an internal constant static boolean member <code>value</code> == false |
177 | //! <b>Note</b>: Non-standard extension used to implement `small_vector_allocator`. |
178 | typedef see_documentation is_partially_propagable; |
179 | //! Defines an allocator: Allocator::rebind<T>::other if such a type exists; otherwise, Allocator<T, Args> |
180 | //! if Allocator is a class template instantiation of the form Allocator<U, Args>, where Args is zero or |
181 | //! more type arguments ; otherwise, the instantiation of rebind_alloc is ill-formed. |
182 | //! |
183 | //! In C++03 compilers <code>rebind_alloc</code> is a struct derived from an allocator |
184 | //! deduced by previously detailed rules. |
185 | template <class T> using rebind_alloc = see_documentation; |
186 | |
187 | //! In C++03 compilers <code>rebind_traits</code> is a struct derived from |
188 | //! <code>allocator_traits<OtherAlloc></code>, where <code>OtherAlloc</code> is |
189 | //! the allocator deduced by rules explained in <code>rebind_alloc</code>. |
190 | template <class T> using rebind_traits = allocator_traits<rebind_alloc<T> >; |
191 | |
192 | //! Non-standard extension: Portable allocator rebind for C++03 and C++11 compilers. |
193 | //! <code>type</code> is an allocator related to Allocator deduced deduced by rules explained in <code>rebind_alloc</code>. |
194 | template <class T> |
195 | struct portable_rebind_alloc |
196 | { typedef see_documentation type; }; |
197 | #else |
198 | //pointer |
199 | typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::container_detail::, Allocator, |
200 | pointer, value_type*) |
201 | pointer; |
202 | //const_pointer |
203 | typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_EVAL_DEFAULT(boost::container::container_detail::, Allocator, |
204 | const_pointer, typename boost::intrusive::pointer_traits<pointer>::template |
205 | rebind_pointer<const value_type>) |
206 | const_pointer; |
207 | //reference |
208 | typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::container_detail::, Allocator, |
209 | reference, typename container_detail::unvoid_ref<value_type>::type) |
210 | reference; |
211 | //const_reference |
212 | typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::container_detail::, Allocator, |
213 | const_reference, typename container_detail::unvoid_ref<const value_type>::type) |
214 | const_reference; |
215 | //void_pointer |
216 | typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_EVAL_DEFAULT(boost::container::container_detail::, Allocator, |
217 | void_pointer, typename boost::intrusive::pointer_traits<pointer>::template |
218 | rebind_pointer<void>) |
219 | void_pointer; |
220 | //const_void_pointer |
221 | typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_EVAL_DEFAULT(boost::container::container_detail::, Allocator, |
222 | const_void_pointer, typename boost::intrusive::pointer_traits<pointer>::template |
223 | rebind_pointer<const void>) |
224 | const_void_pointer; |
225 | //difference_type |
226 | typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::container_detail::, Allocator, |
227 | difference_type, std::ptrdiff_t) |
228 | difference_type; |
229 | //size_type |
230 | typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::container_detail::, Allocator, |
231 | size_type, std::size_t) |
232 | size_type; |
233 | //propagate_on_container_copy_assignment |
234 | typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::container_detail::, Allocator, |
235 | propagate_on_container_copy_assignment, container_detail::false_type) |
236 | propagate_on_container_copy_assignment; |
237 | //propagate_on_container_move_assignment |
238 | typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::container_detail::, Allocator, |
239 | propagate_on_container_move_assignment, container_detail::false_type) |
240 | propagate_on_container_move_assignment; |
241 | //propagate_on_container_swap |
242 | typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::container_detail::, Allocator, |
243 | propagate_on_container_swap, container_detail::false_type) |
244 | propagate_on_container_swap; |
245 | //is_always_equal |
246 | typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::container_detail::, Allocator, |
247 | is_always_equal, container_detail::is_empty<Allocator>) |
248 | is_always_equal; |
249 | //is_partially_propagable |
250 | typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::container_detail::, Allocator, |
251 | is_partially_propagable, container_detail::false_type) |
252 | is_partially_propagable; |
253 | |
254 | //rebind_alloc & rebind_traits |
255 | #if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES) |
256 | //C++11 |
257 | template <typename T> using rebind_alloc = typename boost::intrusive::pointer_rebind<Allocator, T>::type; |
258 | template <typename T> using rebind_traits = allocator_traits< rebind_alloc<T> >; |
259 | #else // #if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES) |
260 | //Some workaround for C++03 or C++11 compilers with no template aliases |
261 | template <typename T> |
262 | struct rebind_alloc : boost::intrusive::pointer_rebind<Allocator,T>::type |
263 | { |
264 | typedef typename boost::intrusive::pointer_rebind<Allocator,T>::type Base; |
265 | #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) |
266 | template <typename... Args> |
267 | rebind_alloc(BOOST_FWD_REF(Args)... args) : Base(boost::forward<Args>(args)...) {} |
268 | #else // #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) |
269 | #define BOOST_CONTAINER_ALLOCATOR_TRAITS_REBIND_ALLOC(N) \ |
270 | BOOST_MOVE_TMPL_LT##N BOOST_MOVE_CLASS##N BOOST_MOVE_GT##N\ |
271 | explicit rebind_alloc(BOOST_MOVE_UREF##N) : Base(BOOST_MOVE_FWD##N){}\ |
272 | // |
273 | BOOST_MOVE_ITERATE_0TO9(BOOST_CONTAINER_ALLOCATOR_TRAITS_REBIND_ALLOC) |
274 | #undef BOOST_CONTAINER_ALLOCATOR_TRAITS_REBIND_ALLOC |
275 | #endif // #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) |
276 | }; |
277 | |
278 | template <typename T> |
279 | struct rebind_traits |
280 | : allocator_traits<typename boost::intrusive::pointer_rebind<Allocator, T>::type> |
281 | {}; |
282 | #endif // #if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES) |
283 | |
284 | //portable_rebind_alloc |
285 | template <class T> |
286 | struct portable_rebind_alloc |
287 | { typedef typename boost::intrusive::pointer_rebind<Allocator, T>::type type; }; |
288 | #endif //BOOST_CONTAINER_DOXYGEN_INVOKED |
289 | |
290 | //! <b>Returns</b>: <code>a.allocate(n)</code> |
291 | //! |
292 | BOOST_CONTAINER_FORCEINLINE static pointer allocate(Allocator &a, size_type n) |
293 | { return a.allocate(n); } |
294 | |
295 | //! <b>Returns</b>: <code>a.deallocate(p, n)</code> |
296 | //! |
297 | //! <b>Throws</b>: Nothing |
298 | BOOST_CONTAINER_FORCEINLINE static void deallocate(Allocator &a, pointer p, size_type n) |
299 | { a.deallocate(p, n); } |
300 | |
301 | //! <b>Effects</b>: calls <code>a.allocate(n, p)</code> if that call is well-formed; |
302 | //! otherwise, invokes <code>a.allocate(n)</code> |
303 | BOOST_CONTAINER_FORCEINLINE static pointer allocate(Allocator &a, size_type n, const_void_pointer p) |
304 | { |
305 | const bool value = boost::container::container_detail:: |
306 | has_member_function_callable_with_allocate |
307 | <Allocator, const size_type, const const_void_pointer>::value; |
308 | container_detail::bool_<value> flag; |
309 | return allocator_traits::priv_allocate(flag, a, n, p); |
310 | } |
311 | |
312 | //! <b>Effects</b>: calls <code>a.destroy(p)</code> if that call is well-formed; |
313 | //! otherwise, invokes <code>p->~T()</code>. |
314 | template<class T> |
315 | BOOST_CONTAINER_FORCEINLINE static void destroy(Allocator &a, T*p) BOOST_NOEXCEPT_OR_NOTHROW |
316 | { |
317 | typedef T* destroy_pointer; |
318 | const bool value = boost::container::container_detail:: |
319 | has_member_function_callable_with_destroy |
320 | <Allocator, const destroy_pointer>::value; |
321 | container_detail::bool_<value> flag; |
322 | allocator_traits::priv_destroy(flag, a, p); |
323 | } |
324 | |
325 | //! <b>Returns</b>: <code>a.max_size()</code> if that expression is well-formed; otherwise, |
326 | //! <code>numeric_limits<size_type>::max()</code>. |
327 | BOOST_CONTAINER_FORCEINLINE static size_type max_size(const Allocator &a) BOOST_NOEXCEPT_OR_NOTHROW |
328 | { |
329 | const bool value = allocator_traits_detail::has_max_size<Allocator, size_type (Allocator::*)() const>::value; |
330 | container_detail::bool_<value> flag; |
331 | return allocator_traits::priv_max_size(flag, a); |
332 | } |
333 | |
334 | //! <b>Returns</b>: <code>a.select_on_container_copy_construction()</code> if that expression is well-formed; |
335 | //! otherwise, a. |
336 | BOOST_CONTAINER_FORCEINLINE static BOOST_CONTAINER_DOC1ST(Allocator, |
337 | typename container_detail::if_c |
338 | < allocator_traits_detail::has_select_on_container_copy_construction<Allocator BOOST_MOVE_I Allocator (Allocator::*)() const>::value |
339 | BOOST_MOVE_I Allocator BOOST_MOVE_I const Allocator & >::type) |
340 | select_on_container_copy_construction(const Allocator &a) |
341 | { |
342 | const bool value = allocator_traits_detail::has_select_on_container_copy_construction |
343 | <Allocator, Allocator (Allocator::*)() const>::value; |
344 | container_detail::bool_<value> flag; |
345 | return allocator_traits::priv_select_on_container_copy_construction(flag, a); |
346 | } |
347 | |
348 | #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) || defined(BOOST_CONTAINER_DOXYGEN_INVOKED) |
349 | //! <b>Effects</b>: calls <code>a.construct(p, std::forward<Args>(args)...)</code> if that call is well-formed; |
350 | //! otherwise, invokes <code>`placement new` (static_cast<void*>(p)) T(std::forward<Args>(args)...)</code> |
351 | template <class T, class ...Args> |
352 | BOOST_CONTAINER_FORCEINLINE static void construct(Allocator & a, T* p, BOOST_FWD_REF(Args)... args) |
353 | { |
354 | static const bool value = ::boost::move_detail::and_ |
355 | < container_detail::is_not_std_allocator<Allocator> |
356 | , boost::container::container_detail::has_member_function_callable_with_construct |
357 | < Allocator, T*, Args... > |
358 | >::value; |
359 | container_detail::bool_<value> flag; |
360 | allocator_traits::priv_construct(flag, a, p, ::boost::forward<Args>(args)...); |
361 | } |
362 | #endif |
363 | |
364 | //! <b>Returns</b>: <code>a.storage_is_unpropagable(p)</code> if is_partially_propagable::value is true; otherwise, |
365 | //! <code>false</code>. |
366 | BOOST_CONTAINER_FORCEINLINE static bool storage_is_unpropagable(const Allocator &a, pointer p) BOOST_NOEXCEPT_OR_NOTHROW |
367 | { |
368 | container_detail::bool_<is_partially_propagable::value> flag; |
369 | return allocator_traits::priv_storage_is_unpropagable(flag, a, p); |
370 | } |
371 | |
372 | //! <b>Returns</b>: <code>true</code> if <code>is_always_equal::value == true</code>, otherwise, |
373 | //! <code>a == b</code>. |
374 | BOOST_CONTAINER_FORCEINLINE static bool equal(const Allocator &a, const Allocator &b) BOOST_NOEXCEPT_OR_NOTHROW |
375 | { |
376 | container_detail::bool_<is_always_equal::value> flag; |
377 | return allocator_traits::priv_equal(flag, a, b); |
378 | } |
379 | |
380 | #if !defined(BOOST_CONTAINER_DOXYGEN_INVOKED) |
381 | private: |
382 | BOOST_CONTAINER_FORCEINLINE static pointer priv_allocate(container_detail::true_type, Allocator &a, size_type n, const_void_pointer p) |
383 | { return a.allocate(n, p); } |
384 | |
385 | BOOST_CONTAINER_FORCEINLINE static pointer priv_allocate(container_detail::false_type, Allocator &a, size_type n, const_void_pointer) |
386 | { return a.allocate(n); } |
387 | |
388 | template<class T> |
389 | BOOST_CONTAINER_FORCEINLINE static void priv_destroy(container_detail::true_type, Allocator &a, T* p) BOOST_NOEXCEPT_OR_NOTHROW |
390 | { a.destroy(p); } |
391 | |
392 | template<class T> |
393 | BOOST_CONTAINER_FORCEINLINE static void priv_destroy(container_detail::false_type, Allocator &, T* p) BOOST_NOEXCEPT_OR_NOTHROW |
394 | { p->~T(); (void)p; } |
395 | |
396 | BOOST_CONTAINER_FORCEINLINE static size_type priv_max_size(container_detail::true_type, const Allocator &a) BOOST_NOEXCEPT_OR_NOTHROW |
397 | { return a.max_size(); } |
398 | |
399 | BOOST_CONTAINER_FORCEINLINE static size_type priv_max_size(container_detail::false_type, const Allocator &) BOOST_NOEXCEPT_OR_NOTHROW |
400 | { return size_type(-1)/sizeof(value_type); } |
401 | |
402 | BOOST_CONTAINER_FORCEINLINE static Allocator priv_select_on_container_copy_construction(container_detail::true_type, const Allocator &a) |
403 | { return a.select_on_container_copy_construction(); } |
404 | |
405 | BOOST_CONTAINER_FORCEINLINE static const Allocator &priv_select_on_container_copy_construction(container_detail::false_type, const Allocator &a) BOOST_NOEXCEPT_OR_NOTHROW |
406 | { return a; } |
407 | |
408 | #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) |
409 | template<class T, class ...Args> |
410 | BOOST_CONTAINER_FORCEINLINE static void priv_construct(container_detail::true_type, Allocator &a, T *p, BOOST_FWD_REF(Args) ...args) |
411 | { a.construct( p, ::boost::forward<Args>(args)...); } |
412 | |
413 | template<class T, class ...Args> |
414 | BOOST_CONTAINER_FORCEINLINE static void priv_construct(container_detail::false_type, Allocator &, T *p, BOOST_FWD_REF(Args) ...args) |
415 | { ::new((void*)p, boost_container_new_t()) T(::boost::forward<Args>(args)...); } |
416 | #else // #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) |
417 | public: |
418 | |
419 | #define BOOST_CONTAINER_ALLOCATOR_TRAITS_CONSTRUCT_IMPL(N) \ |
420 | template<class T BOOST_MOVE_I##N BOOST_MOVE_CLASS##N >\ |
421 | BOOST_CONTAINER_FORCEINLINE static void construct(Allocator &a, T *p BOOST_MOVE_I##N BOOST_MOVE_UREF##N)\ |
422 | {\ |
423 | static const bool value = ::boost::move_detail::and_ \ |
424 | < container_detail::is_not_std_allocator<Allocator> \ |
425 | , boost::container::container_detail::has_member_function_callable_with_construct \ |
426 | < Allocator, T* BOOST_MOVE_I##N BOOST_MOVE_FWD_T##N > \ |
427 | >::value; \ |
428 | container_detail::bool_<value> flag;\ |
429 | (priv_construct)(flag, a, p BOOST_MOVE_I##N BOOST_MOVE_FWD##N);\ |
430 | }\ |
431 | // |
432 | BOOST_MOVE_ITERATE_0TO8(BOOST_CONTAINER_ALLOCATOR_TRAITS_CONSTRUCT_IMPL) |
433 | #undef BOOST_CONTAINER_ALLOCATOR_TRAITS_CONSTRUCT_IMPL |
434 | |
435 | private: |
436 | ///////////////////////////////// |
437 | // priv_construct |
438 | ///////////////////////////////// |
439 | #define BOOST_CONTAINER_ALLOCATOR_TRAITS_PRIV_CONSTRUCT_IMPL(N) \ |
440 | template<class T BOOST_MOVE_I##N BOOST_MOVE_CLASS##N >\ |
441 | BOOST_CONTAINER_FORCEINLINE static void priv_construct(container_detail::true_type, Allocator &a, T *p BOOST_MOVE_I##N BOOST_MOVE_UREF##N)\ |
442 | { a.construct( p BOOST_MOVE_I##N BOOST_MOVE_FWD##N ); }\ |
443 | \ |
444 | template<class T BOOST_MOVE_I##N BOOST_MOVE_CLASS##N >\ |
445 | BOOST_CONTAINER_FORCEINLINE static void priv_construct(container_detail::false_type, Allocator &, T *p BOOST_MOVE_I##N BOOST_MOVE_UREF##N)\ |
446 | { ::new((void*)p, boost_container_new_t()) T(BOOST_MOVE_FWD##N); }\ |
447 | // |
448 | BOOST_MOVE_ITERATE_0TO8(BOOST_CONTAINER_ALLOCATOR_TRAITS_PRIV_CONSTRUCT_IMPL) |
449 | #undef BOOST_CONTAINER_ALLOCATOR_TRAITS_PRIV_CONSTRUCT_IMPL |
450 | |
451 | #endif // #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) |
452 | |
453 | template<class T> |
454 | BOOST_CONTAINER_FORCEINLINE static void priv_construct(container_detail::false_type, Allocator &, T *p, const ::boost::container::default_init_t&) |
455 | { ::new((void*)p, boost_container_new_t()) T; } |
456 | |
457 | BOOST_CONTAINER_FORCEINLINE static bool priv_storage_is_unpropagable(container_detail::true_type, const Allocator &a, pointer p) |
458 | { return a.storage_is_unpropagable(p); } |
459 | |
460 | BOOST_CONTAINER_FORCEINLINE static bool priv_storage_is_unpropagable(container_detail::false_type, const Allocator &, pointer) |
461 | { return false; } |
462 | |
463 | BOOST_CONTAINER_FORCEINLINE static bool priv_equal(container_detail::true_type, const Allocator &, const Allocator &) |
464 | { return true; } |
465 | |
466 | BOOST_CONTAINER_FORCEINLINE static bool priv_equal(container_detail::false_type, const Allocator &a, const Allocator &b) |
467 | { return a == b; } |
468 | |
469 | #endif //#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED) |
470 | }; |
471 | |
472 | } //namespace container { |
473 | } //namespace boost { |
474 | |
475 | #include <boost/container/detail/config_end.hpp> |
476 | |
477 | #endif // ! defined(BOOST_CONTAINER_ALLOCATOR_ALLOCATOR_TRAITS_HPP) |
478 | |