478 lines
23 KiB
C++
478 lines
23 KiB
C++
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//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Pablo Halpern 2009. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2011-2013. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/container for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_CONTAINER_ALLOCATOR_ALLOCATOR_TRAITS_HPP
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#define BOOST_CONTAINER_ALLOCATOR_ALLOCATOR_TRAITS_HPP
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#ifndef BOOST_CONFIG_HPP
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# include <boost/config.hpp>
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#endif
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#if defined(BOOST_HAS_PRAGMA_ONCE)
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# pragma once
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#endif
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#include <boost/container/detail/config_begin.hpp>
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#include <boost/container/detail/workaround.hpp>
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// container
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#include <boost/container/container_fwd.hpp>
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#include <boost/container/detail/mpl.hpp>
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#include <boost/container/detail/type_traits.hpp> //is_empty
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#include <boost/container/detail/placement_new.hpp>
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#ifndef BOOST_CONTAINER_DETAIL_STD_FWD_HPP
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#include <boost/container/detail/std_fwd.hpp>
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#endif
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// intrusive
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#include <boost/intrusive/pointer_traits.hpp>
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#include <boost/intrusive/detail/mpl.hpp>
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// move
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#include <boost/move/utility_core.hpp>
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// move/detail
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#if defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
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#include <boost/move/detail/fwd_macros.hpp>
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#endif
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// other boost
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#include <boost/static_assert.hpp>
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#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
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#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME allocate
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#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_BEG namespace boost { namespace container { namespace container_detail {
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#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_END }}}
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#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MIN 2
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#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX 2
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#include <boost/intrusive/detail/has_member_function_callable_with.hpp>
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#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME destroy
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#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_BEG namespace boost { namespace container { namespace container_detail {
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#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_END }}}
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#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MIN 1
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#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX 1
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#include <boost/intrusive/detail/has_member_function_callable_with.hpp>
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#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_FUNCNAME construct
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#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_BEG namespace boost { namespace container { namespace container_detail {
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#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_NS_END }}}
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#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MIN 1
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#define BOOST_INTRUSIVE_HAS_MEMBER_FUNCTION_CALLABLE_WITH_MAX 9
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#include <boost/intrusive/detail/has_member_function_callable_with.hpp>
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#endif //#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
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namespace boost {
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namespace container {
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#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
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template<class Allocator>
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class small_vector_allocator;
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namespace allocator_traits_detail {
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BOOST_INTRUSIVE_HAS_STATIC_MEMBER_FUNC_SIGNATURE(has_max_size, max_size)
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BOOST_INTRUSIVE_HAS_STATIC_MEMBER_FUNC_SIGNATURE(has_select_on_container_copy_construction, select_on_container_copy_construction)
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} //namespace allocator_traits_detail {
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namespace container_detail {
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//workaround needed for C++03 compilers with no construct()
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//supporting rvalue references
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template<class Allocator>
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struct is_std_allocator
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{ static const bool value = false; };
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template<class T>
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struct is_std_allocator< std::allocator<T> >
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{ static const bool value = true; };
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template<class T>
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struct is_std_allocator< small_vector_allocator< std::allocator<T> > >
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{ static const bool value = true; };
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template<class Allocator>
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struct is_not_std_allocator
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{ static const bool value = !is_std_allocator<Allocator>::value; };
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BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(pointer)
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BOOST_INTRUSIVE_INSTANTIATE_EVAL_DEFAULT_TYPE_TMPLT(const_pointer)
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BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(reference)
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BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(const_reference)
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BOOST_INTRUSIVE_INSTANTIATE_EVAL_DEFAULT_TYPE_TMPLT(void_pointer)
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BOOST_INTRUSIVE_INSTANTIATE_EVAL_DEFAULT_TYPE_TMPLT(const_void_pointer)
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BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(size_type)
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BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(propagate_on_container_copy_assignment)
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BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(propagate_on_container_move_assignment)
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BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(propagate_on_container_swap)
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BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(is_always_equal)
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BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(difference_type)
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BOOST_INTRUSIVE_INSTANTIATE_DEFAULT_TYPE_TMPLT(is_partially_propagable)
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} //namespace container_detail {
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#endif //#ifndef BOOST_CONTAINER_DOXYGEN_INVOKED
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//! The class template allocator_traits supplies a uniform interface to all allocator types.
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//! This class is a C++03-compatible implementation of std::allocator_traits
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template <typename Allocator>
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struct allocator_traits
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{
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//allocator_type
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typedef Allocator allocator_type;
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//value_type
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typedef typename allocator_type::value_type value_type;
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#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
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//! Allocator::pointer if such a type exists; otherwise, value_type*
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//!
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typedef unspecified pointer;
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//! Allocator::const_pointer if such a type exists ; otherwise, pointer_traits<pointer>::rebind<const
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//!
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typedef see_documentation const_pointer;
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//! Non-standard extension
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//! Allocator::reference if such a type exists; otherwise, value_type&
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typedef see_documentation reference;
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//! Non-standard extension
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//! Allocator::const_reference if such a type exists ; otherwise, const value_type&
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typedef see_documentation const_reference;
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//! Allocator::void_pointer if such a type exists ; otherwise, pointer_traits<pointer>::rebind<void>.
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//!
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typedef see_documentation void_pointer;
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//! Allocator::const_void_pointer if such a type exists ; otherwis e, pointer_traits<pointer>::rebind<const
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//!
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typedef see_documentation const_void_pointer;
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//! Allocator::difference_type if such a type exists ; otherwise, pointer_traits<pointer>::difference_type.
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//!
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typedef see_documentation difference_type;
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//! Allocator::size_type if such a type exists ; otherwise, make_unsigned<difference_type>::type
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//!
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typedef see_documentation size_type;
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//! Allocator::propagate_on_container_copy_assignment if such a type exists, otherwise a type
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//! with an internal constant static boolean member <code>value</code> == false.
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typedef see_documentation propagate_on_container_copy_assignment;
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//! Allocator::propagate_on_container_move_assignment if such a type exists, otherwise a type
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//! with an internal constant static boolean member <code>value</code> == false.
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typedef see_documentation propagate_on_container_move_assignment;
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//! Allocator::propagate_on_container_swap if such a type exists, otherwise a type
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//! with an internal constant static boolean member <code>value</code> == false.
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typedef see_documentation propagate_on_container_swap;
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//! Allocator::is_always_equal if such a type exists, otherwise a type
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//! with an internal constant static boolean member <code>value</code> == is_empty<Allocator>::value
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typedef see_documentation is_always_equal;
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//! Allocator::is_partially_propagable if such a type exists, otherwise a type
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//! with an internal constant static boolean member <code>value</code> == false
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//! <b>Note</b>: Non-standard extension used to implement `small_vector_allocator`.
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typedef see_documentation is_partially_propagable;
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//! Defines an allocator: Allocator::rebind<T>::other if such a type exists; otherwise, Allocator<T, Args>
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//! if Allocator is a class template instantiation of the form Allocator<U, Args>, where Args is zero or
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//! more type arguments ; otherwise, the instantiation of rebind_alloc is ill-formed.
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//!
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//! In C++03 compilers <code>rebind_alloc</code> is a struct derived from an allocator
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//! deduced by previously detailed rules.
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template <class T> using rebind_alloc = see_documentation;
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//! In C++03 compilers <code>rebind_traits</code> is a struct derived from
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//! <code>allocator_traits<OtherAlloc></code>, where <code>OtherAlloc</code> is
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//! the allocator deduced by rules explained in <code>rebind_alloc</code>.
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template <class T> using rebind_traits = allocator_traits<rebind_alloc<T> >;
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//! Non-standard extension: Portable allocator rebind for C++03 and C++11 compilers.
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//! <code>type</code> is an allocator related to Allocator deduced deduced by rules explained in <code>rebind_alloc</code>.
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template <class T>
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struct portable_rebind_alloc
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{ typedef see_documentation type; };
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#else
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//pointer
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typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::container_detail::, Allocator,
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pointer, value_type*)
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pointer;
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//const_pointer
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typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_EVAL_DEFAULT(boost::container::container_detail::, Allocator,
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const_pointer, typename boost::intrusive::pointer_traits<pointer>::template
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rebind_pointer<const value_type>)
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const_pointer;
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//reference
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typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::container_detail::, Allocator,
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reference, typename container_detail::unvoid_ref<value_type>::type)
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reference;
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//const_reference
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typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::container_detail::, Allocator,
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const_reference, typename container_detail::unvoid_ref<const value_type>::type)
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const_reference;
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//void_pointer
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typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_EVAL_DEFAULT(boost::container::container_detail::, Allocator,
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void_pointer, typename boost::intrusive::pointer_traits<pointer>::template
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rebind_pointer<void>)
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void_pointer;
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//const_void_pointer
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typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_EVAL_DEFAULT(boost::container::container_detail::, Allocator,
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const_void_pointer, typename boost::intrusive::pointer_traits<pointer>::template
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rebind_pointer<const void>)
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const_void_pointer;
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//difference_type
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typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::container_detail::, Allocator,
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difference_type, std::ptrdiff_t)
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difference_type;
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//size_type
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typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::container_detail::, Allocator,
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size_type, std::size_t)
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size_type;
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//propagate_on_container_copy_assignment
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typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::container_detail::, Allocator,
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propagate_on_container_copy_assignment, container_detail::false_type)
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propagate_on_container_copy_assignment;
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//propagate_on_container_move_assignment
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typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::container_detail::, Allocator,
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propagate_on_container_move_assignment, container_detail::false_type)
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propagate_on_container_move_assignment;
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//propagate_on_container_swap
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typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::container_detail::, Allocator,
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propagate_on_container_swap, container_detail::false_type)
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propagate_on_container_swap;
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//is_always_equal
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typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::container_detail::, Allocator,
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is_always_equal, container_detail::is_empty<Allocator>)
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is_always_equal;
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//is_partially_propagable
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typedef BOOST_INTRUSIVE_OBTAIN_TYPE_WITH_DEFAULT(boost::container::container_detail::, Allocator,
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is_partially_propagable, container_detail::false_type)
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is_partially_propagable;
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//rebind_alloc & rebind_traits
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#if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
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//C++11
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template <typename T> using rebind_alloc = typename boost::intrusive::pointer_rebind<Allocator, T>::type;
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template <typename T> using rebind_traits = allocator_traits< rebind_alloc<T> >;
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#else // #if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
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//Some workaround for C++03 or C++11 compilers with no template aliases
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template <typename T>
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struct rebind_alloc : boost::intrusive::pointer_rebind<Allocator,T>::type
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{
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typedef typename boost::intrusive::pointer_rebind<Allocator,T>::type Base;
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#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
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template <typename... Args>
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rebind_alloc(BOOST_FWD_REF(Args)... args) : Base(boost::forward<Args>(args)...) {}
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#else // #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
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#define BOOST_CONTAINER_ALLOCATOR_TRAITS_REBIND_ALLOC(N) \
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BOOST_MOVE_TMPL_LT##N BOOST_MOVE_CLASS##N BOOST_MOVE_GT##N\
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explicit rebind_alloc(BOOST_MOVE_UREF##N) : Base(BOOST_MOVE_FWD##N){}\
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//
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BOOST_MOVE_ITERATE_0TO9(BOOST_CONTAINER_ALLOCATOR_TRAITS_REBIND_ALLOC)
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#undef BOOST_CONTAINER_ALLOCATOR_TRAITS_REBIND_ALLOC
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#endif // #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
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};
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template <typename T>
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struct rebind_traits
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: allocator_traits<typename boost::intrusive::pointer_rebind<Allocator, T>::type>
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{};
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#endif // #if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
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//portable_rebind_alloc
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template <class T>
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struct portable_rebind_alloc
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{ typedef typename boost::intrusive::pointer_rebind<Allocator, T>::type type; };
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#endif //BOOST_CONTAINER_DOXYGEN_INVOKED
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//! <b>Returns</b>: <code>a.allocate(n)</code>
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//!
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static pointer allocate(Allocator &a, size_type n)
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{ return a.allocate(n); }
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//! <b>Returns</b>: <code>a.deallocate(p, n)</code>
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//!
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//! <b>Throws</b>: Nothing
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static void deallocate(Allocator &a, pointer p, size_type n)
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{ a.deallocate(p, n); }
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//! <b>Effects</b>: calls <code>a.allocate(n, p)</code> if that call is well-formed;
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//! otherwise, invokes <code>a.allocate(n)</code>
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||
|
|
static pointer allocate(Allocator &a, size_type n, const_void_pointer p)
|
||
|
|
{
|
||
|
|
const bool value = boost::container::container_detail::
|
||
|
|
has_member_function_callable_with_allocate
|
||
|
|
<Allocator, const size_type, const const_void_pointer>::value;
|
||
|
|
container_detail::bool_<value> flag;
|
||
|
|
return allocator_traits::priv_allocate(flag, a, n, p);
|
||
|
|
}
|
||
|
|
|
||
|
|
//! <b>Effects</b>: calls <code>a.destroy(p)</code> if that call is well-formed;
|
||
|
|
//! otherwise, invokes <code>p->~T()</code>.
|
||
|
|
template<class T>
|
||
|
|
static void destroy(Allocator &a, T*p) BOOST_NOEXCEPT_OR_NOTHROW
|
||
|
|
{
|
||
|
|
typedef T* destroy_pointer;
|
||
|
|
const bool value = boost::container::container_detail::
|
||
|
|
has_member_function_callable_with_destroy
|
||
|
|
<Allocator, const destroy_pointer>::value;
|
||
|
|
container_detail::bool_<value> flag;
|
||
|
|
allocator_traits::priv_destroy(flag, a, p);
|
||
|
|
}
|
||
|
|
|
||
|
|
//! <b>Returns</b>: <code>a.max_size()</code> if that expression is well-formed; otherwise,
|
||
|
|
//! <code>numeric_limits<size_type>::max()</code>.
|
||
|
|
static size_type max_size(const Allocator &a) BOOST_NOEXCEPT_OR_NOTHROW
|
||
|
|
{
|
||
|
|
const bool value = allocator_traits_detail::has_max_size<Allocator, size_type (Allocator::*)() const>::value;
|
||
|
|
container_detail::bool_<value> flag;
|
||
|
|
return allocator_traits::priv_max_size(flag, a);
|
||
|
|
}
|
||
|
|
|
||
|
|
//! <b>Returns</b>: <code>a.select_on_container_copy_construction()</code> if that expression is well-formed;
|
||
|
|
//! otherwise, a.
|
||
|
|
static BOOST_CONTAINER_DOC1ST(Allocator,
|
||
|
|
typename container_detail::if_c
|
||
|
|
< allocator_traits_detail::has_select_on_container_copy_construction<Allocator BOOST_MOVE_I Allocator (Allocator::*)() const>::value
|
||
|
|
BOOST_MOVE_I Allocator BOOST_MOVE_I const Allocator & >::type)
|
||
|
|
select_on_container_copy_construction(const Allocator &a)
|
||
|
|
{
|
||
|
|
const bool value = allocator_traits_detail::has_select_on_container_copy_construction
|
||
|
|
<Allocator, Allocator (Allocator::*)() const>::value;
|
||
|
|
container_detail::bool_<value> flag;
|
||
|
|
return allocator_traits::priv_select_on_container_copy_construction(flag, a);
|
||
|
|
}
|
||
|
|
|
||
|
|
#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) || defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
|
||
|
|
//! <b>Effects</b>: calls <code>a.construct(p, std::forward<Args>(args)...)</code> if that call is well-formed;
|
||
|
|
//! otherwise, invokes <code>::new (static_cast<void*>(p)) T(std::forward<Args>(args)...)</code>
|
||
|
|
template <class T, class ...Args>
|
||
|
|
static void construct(Allocator & a, T* p, BOOST_FWD_REF(Args)... args)
|
||
|
|
{
|
||
|
|
static const bool value = ::boost::move_detail::and_
|
||
|
|
< container_detail::is_not_std_allocator<Allocator>
|
||
|
|
, boost::container::container_detail::has_member_function_callable_with_construct
|
||
|
|
< Allocator, T*, Args... >
|
||
|
|
>::value;
|
||
|
|
container_detail::bool_<value> flag;
|
||
|
|
allocator_traits::priv_construct(flag, a, p, ::boost::forward<Args>(args)...);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
//! <b>Returns</b>: <code>a.storage_is_unpropagable(p)</code> if is_partially_propagable::value is true; otherwise,
|
||
|
|
//! <code>false</code>.
|
||
|
|
static bool storage_is_unpropagable(const Allocator &a, pointer p) BOOST_NOEXCEPT_OR_NOTHROW
|
||
|
|
{
|
||
|
|
container_detail::bool_<is_partially_propagable::value> flag;
|
||
|
|
return allocator_traits::priv_storage_is_unpropagable(flag, a, p);
|
||
|
|
}
|
||
|
|
|
||
|
|
//! <b>Returns</b>: <code>true</code> if <code>is_always_equal::value == true</code>, otherwise,
|
||
|
|
//! <code>a == b</code>.
|
||
|
|
static bool equal(const Allocator &a, const Allocator &b) BOOST_NOEXCEPT_OR_NOTHROW
|
||
|
|
{
|
||
|
|
container_detail::bool_<is_always_equal::value> flag;
|
||
|
|
return allocator_traits::priv_equal(flag, a, b);
|
||
|
|
}
|
||
|
|
|
||
|
|
#if !defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
|
||
|
|
private:
|
||
|
|
static pointer priv_allocate(container_detail::true_type, Allocator &a, size_type n, const_void_pointer p)
|
||
|
|
{ return a.allocate(n, p); }
|
||
|
|
|
||
|
|
static pointer priv_allocate(container_detail::false_type, Allocator &a, size_type n, const_void_pointer)
|
||
|
|
{ return a.allocate(n); }
|
||
|
|
|
||
|
|
template<class T>
|
||
|
|
static void priv_destroy(container_detail::true_type, Allocator &a, T* p) BOOST_NOEXCEPT_OR_NOTHROW
|
||
|
|
{ a.destroy(p); }
|
||
|
|
|
||
|
|
template<class T>
|
||
|
|
static void priv_destroy(container_detail::false_type, Allocator &, T* p) BOOST_NOEXCEPT_OR_NOTHROW
|
||
|
|
{ p->~T(); (void)p; }
|
||
|
|
|
||
|
|
static size_type priv_max_size(container_detail::true_type, const Allocator &a) BOOST_NOEXCEPT_OR_NOTHROW
|
||
|
|
{ return a.max_size(); }
|
||
|
|
|
||
|
|
static size_type priv_max_size(container_detail::false_type, const Allocator &) BOOST_NOEXCEPT_OR_NOTHROW
|
||
|
|
{ return size_type(-1)/sizeof(value_type); }
|
||
|
|
|
||
|
|
static Allocator priv_select_on_container_copy_construction(container_detail::true_type, const Allocator &a)
|
||
|
|
{ return a.select_on_container_copy_construction(); }
|
||
|
|
|
||
|
|
static const Allocator &priv_select_on_container_copy_construction(container_detail::false_type, const Allocator &a) BOOST_NOEXCEPT_OR_NOTHROW
|
||
|
|
{ return a; }
|
||
|
|
|
||
|
|
#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
|
||
|
|
template<class T, class ...Args>
|
||
|
|
static void priv_construct(container_detail::true_type, Allocator &a, T *p, BOOST_FWD_REF(Args) ...args)
|
||
|
|
{ a.construct( p, ::boost::forward<Args>(args)...); }
|
||
|
|
|
||
|
|
template<class T, class ...Args>
|
||
|
|
static void priv_construct(container_detail::false_type, Allocator &, T *p, BOOST_FWD_REF(Args) ...args)
|
||
|
|
{ ::new((void*)p, boost_container_new_t()) T(::boost::forward<Args>(args)...); }
|
||
|
|
#else // #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
|
||
|
|
public:
|
||
|
|
|
||
|
|
#define BOOST_CONTAINER_ALLOCATOR_TRAITS_CONSTRUCT_IMPL(N) \
|
||
|
|
template<class T BOOST_MOVE_I##N BOOST_MOVE_CLASS##N >\
|
||
|
|
static void construct(Allocator &a, T *p BOOST_MOVE_I##N BOOST_MOVE_UREF##N)\
|
||
|
|
{\
|
||
|
|
static const bool value = ::boost::move_detail::and_ \
|
||
|
|
< container_detail::is_not_std_allocator<Allocator> \
|
||
|
|
, boost::container::container_detail::has_member_function_callable_with_construct \
|
||
|
|
< Allocator, T* BOOST_MOVE_I##N BOOST_MOVE_FWD_T##N > \
|
||
|
|
>::value; \
|
||
|
|
container_detail::bool_<value> flag;\
|
||
|
|
(priv_construct)(flag, a, p BOOST_MOVE_I##N BOOST_MOVE_FWD##N);\
|
||
|
|
}\
|
||
|
|
//
|
||
|
|
BOOST_MOVE_ITERATE_0TO8(BOOST_CONTAINER_ALLOCATOR_TRAITS_CONSTRUCT_IMPL)
|
||
|
|
#undef BOOST_CONTAINER_ALLOCATOR_TRAITS_CONSTRUCT_IMPL
|
||
|
|
|
||
|
|
private:
|
||
|
|
/////////////////////////////////
|
||
|
|
// priv_construct
|
||
|
|
/////////////////////////////////
|
||
|
|
#define BOOST_CONTAINER_ALLOCATOR_TRAITS_PRIV_CONSTRUCT_IMPL(N) \
|
||
|
|
template<class T BOOST_MOVE_I##N BOOST_MOVE_CLASS##N >\
|
||
|
|
static void priv_construct(container_detail::true_type, Allocator &a, T *p BOOST_MOVE_I##N BOOST_MOVE_UREF##N)\
|
||
|
|
{ a.construct( p BOOST_MOVE_I##N BOOST_MOVE_FWD##N ); }\
|
||
|
|
\
|
||
|
|
template<class T BOOST_MOVE_I##N BOOST_MOVE_CLASS##N >\
|
||
|
|
static void priv_construct(container_detail::false_type, Allocator &, T *p BOOST_MOVE_I##N BOOST_MOVE_UREF##N)\
|
||
|
|
{ ::new((void*)p, boost_container_new_t()) T(BOOST_MOVE_FWD##N); }\
|
||
|
|
//
|
||
|
|
BOOST_MOVE_ITERATE_0TO8(BOOST_CONTAINER_ALLOCATOR_TRAITS_PRIV_CONSTRUCT_IMPL)
|
||
|
|
#undef BOOST_CONTAINER_ALLOCATOR_TRAITS_PRIV_CONSTRUCT_IMPL
|
||
|
|
|
||
|
|
#endif // #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
|
||
|
|
|
||
|
|
template<class T>
|
||
|
|
static void priv_construct(container_detail::false_type, Allocator &, T *p, const ::boost::container::default_init_t&)
|
||
|
|
{ ::new((void*)p, boost_container_new_t()) T; }
|
||
|
|
|
||
|
|
static bool priv_storage_is_unpropagable(container_detail::true_type, const Allocator &a, pointer p)
|
||
|
|
{ return a.storage_is_unpropagable(p); }
|
||
|
|
|
||
|
|
static bool priv_storage_is_unpropagable(container_detail::false_type, const Allocator &, pointer)
|
||
|
|
{ return false; }
|
||
|
|
|
||
|
|
static bool priv_equal(container_detail::true_type, const Allocator &, const Allocator &)
|
||
|
|
{ return true; }
|
||
|
|
|
||
|
|
static bool priv_equal(container_detail::false_type, const Allocator &a, const Allocator &b)
|
||
|
|
{ return a == b; }
|
||
|
|
|
||
|
|
#endif //#if defined(BOOST_CONTAINER_DOXYGEN_INVOKED)
|
||
|
|
};
|
||
|
|
|
||
|
|
} //namespace container {
|
||
|
|
} //namespace boost {
|
||
|
|
|
||
|
|
#include <boost/container/detail/config_end.hpp>
|
||
|
|
|
||
|
|
#endif // ! defined(BOOST_CONTAINER_ALLOCATOR_ALLOCATOR_TRAITS_HPP)
|