ext-boost/boost/container/detail/advanced_insert_int.hpp
2014-12-28 01:22:08 -02:00

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//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2008-2013. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/container for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#ifndef BOOST_CONTAINER_ADVANCED_INSERT_INT_HPP
#define BOOST_CONTAINER_ADVANCED_INSERT_INT_HPP
#if defined(_MSC_VER)
# pragma once
#endif
#include <boost/container/detail/config_begin.hpp>
#include <boost/container/detail/workaround.hpp>
#include <boost/container/allocator_traits.hpp>
#include <boost/container/detail/destroyers.hpp>
#include <boost/aligned_storage.hpp>
#include <boost/move/utility_core.hpp>
#include <boost/container/detail/mpl.hpp>
#include <boost/container/detail/utilities.hpp>
#include <boost/container/detail/type_traits.hpp>
#include <boost/container/detail/iterators.hpp>
#include <iterator> //std::iterator_traits
#include <boost/assert.hpp>
#include <boost/core/no_exceptions_support.hpp>
namespace boost { namespace container { namespace container_detail {
template<class A, class FwdIt, class Iterator>
struct move_insert_range_proxy
{
typedef typename allocator_traits<A>::size_type size_type;
typedef typename allocator_traits<A>::value_type value_type;
explicit move_insert_range_proxy(FwdIt first)
: first_(first)
{}
void uninitialized_copy_n_and_update(A &a, Iterator p, size_type n)
{
this->first_ = ::boost::container::uninitialized_move_alloc_n_source
(a, this->first_, n, p);
}
void copy_n_and_update(A &, Iterator p, size_type n)
{
this->first_ = ::boost::container::move_n_source(this->first_, n, p);
}
FwdIt first_;
};
template<class A, class FwdIt, class Iterator>
struct insert_range_proxy
{
typedef typename allocator_traits<A>::size_type size_type;
typedef typename allocator_traits<A>::value_type value_type;
explicit insert_range_proxy(FwdIt first)
: first_(first)
{}
void uninitialized_copy_n_and_update(A &a, Iterator p, size_type n)
{
this->first_ = ::boost::container::uninitialized_copy_alloc_n_source(a, this->first_, n, p);
}
void copy_n_and_update(A &, Iterator p, size_type n)
{
this->first_ = ::boost::container::copy_n_source(this->first_, n, p);
}
FwdIt first_;
};
template<class A, class Iterator>
struct insert_n_copies_proxy
{
typedef typename allocator_traits<A>::size_type size_type;
typedef typename allocator_traits<A>::value_type value_type;
explicit insert_n_copies_proxy(const value_type &v)
: v_(v)
{}
void uninitialized_copy_n_and_update(A &a, Iterator p, size_type n) const
{ boost::container::uninitialized_fill_alloc_n(a, v_, n, p); }
void copy_n_and_update(A &, Iterator p, size_type n) const
{
for (; 0 < n; --n, ++p){
*p = v_;
}
}
const value_type &v_;
};
template<class A, class Iterator>
struct insert_value_initialized_n_proxy
{
typedef ::boost::container::allocator_traits<A> alloc_traits;
typedef typename allocator_traits<A>::size_type size_type;
typedef typename allocator_traits<A>::value_type value_type;
void uninitialized_copy_n_and_update(A &a, Iterator p, size_type n) const
{ boost::container::uninitialized_value_init_alloc_n(a, n, p); }
void copy_n_and_update(A &, Iterator, size_type) const
{ BOOST_ASSERT(false); }
};
template<class A, class Iterator>
struct insert_default_initialized_n_proxy
{
typedef ::boost::container::allocator_traits<A> alloc_traits;
typedef typename allocator_traits<A>::size_type size_type;
typedef typename allocator_traits<A>::value_type value_type;
void uninitialized_copy_n_and_update(A &a, Iterator p, size_type n) const
{ boost::container::uninitialized_default_init_alloc_n(a, n, p); }
void copy_n_and_update(A &, Iterator, size_type) const
{ BOOST_ASSERT(false); }
};
template<class A, class Iterator>
struct insert_copy_proxy
{
typedef boost::container::allocator_traits<A> alloc_traits;
typedef typename alloc_traits::size_type size_type;
typedef typename alloc_traits::value_type value_type;
explicit insert_copy_proxy(const value_type &v)
: v_(v)
{}
void uninitialized_copy_n_and_update(A &a, Iterator p, size_type n) const
{
BOOST_ASSERT(n == 1); (void)n;
alloc_traits::construct( a, iterator_to_raw_pointer(p), v_);
}
void copy_n_and_update(A &, Iterator p, size_type n) const
{
BOOST_ASSERT(n == 1); (void)n;
*p =v_;
}
const value_type &v_;
};
template<class A, class Iterator>
struct insert_move_proxy
{
typedef boost::container::allocator_traits<A> alloc_traits;
typedef typename alloc_traits::size_type size_type;
typedef typename alloc_traits::value_type value_type;
explicit insert_move_proxy(value_type &v)
: v_(v)
{}
void uninitialized_copy_n_and_update(A &a, Iterator p, size_type n) const
{
BOOST_ASSERT(n == 1); (void)n;
alloc_traits::construct( a, iterator_to_raw_pointer(p), ::boost::move(v_) );
}
void copy_n_and_update(A &, Iterator p, size_type n) const
{
BOOST_ASSERT(n == 1); (void)n;
*p = ::boost::move(v_);
}
value_type &v_;
};
template<class It, class A>
insert_move_proxy<A, It> get_insert_value_proxy(BOOST_RV_REF(typename std::iterator_traits<It>::value_type) v)
{
return insert_move_proxy<A, It>(v);
}
template<class It, class A>
insert_copy_proxy<A, It> get_insert_value_proxy(const typename std::iterator_traits<It>::value_type &v)
{
return insert_copy_proxy<A, It>(v);
}
}}} //namespace boost { namespace container { namespace container_detail {
#ifdef BOOST_CONTAINER_PERFECT_FORWARDING
#include <boost/container/detail/variadic_templates_tools.hpp>
#include <boost/move/utility_core.hpp>
#include <typeinfo>
//#include <iostream> //For debugging purposes
namespace boost {
namespace container {
namespace container_detail {
template<class A, class Iterator, class ...Args>
struct insert_non_movable_emplace_proxy
{
typedef boost::container::allocator_traits<A> alloc_traits;
typedef typename alloc_traits::size_type size_type;
typedef typename alloc_traits::value_type value_type;
typedef typename build_number_seq<sizeof...(Args)>::type index_tuple_t;
explicit insert_non_movable_emplace_proxy(Args&&... args)
: args_(args...)
{}
void uninitialized_copy_n_and_update(A &a, Iterator p, size_type n)
{ this->priv_uninitialized_copy_some_and_update(a, index_tuple_t(), p, n); }
private:
template<int ...IdxPack>
void priv_uninitialized_copy_some_and_update(A &a, const index_tuple<IdxPack...>&, Iterator p, size_type n)
{
BOOST_ASSERT(n == 1); (void)n;
alloc_traits::construct( a, iterator_to_raw_pointer(p), ::boost::forward<Args>(get<IdxPack>(this->args_))... );
}
protected:
tuple<Args&...> args_;
};
template<class A, class Iterator, class ...Args>
struct insert_emplace_proxy
: public insert_non_movable_emplace_proxy<A, Iterator, Args...>
{
typedef insert_non_movable_emplace_proxy<A, Iterator, Args...> base_t;
typedef boost::container::allocator_traits<A> alloc_traits;
typedef typename base_t::value_type value_type;
typedef typename base_t::size_type size_type;
typedef typename base_t::index_tuple_t index_tuple_t;
explicit insert_emplace_proxy(Args&&... args)
: base_t(::boost::forward<Args>(args)...)
{}
void copy_n_and_update(A &a, Iterator p, size_type n)
{ this->priv_copy_some_and_update(a, index_tuple_t(), p, n); }
private:
template<int ...IdxPack>
void priv_copy_some_and_update(A &a, const index_tuple<IdxPack...>&, Iterator p, size_type n)
{
BOOST_ASSERT(n ==1); (void)n;
aligned_storage<sizeof(value_type), alignment_of<value_type>::value> v;
value_type *vp = static_cast<value_type *>(static_cast<void *>(&v));
alloc_traits::construct(a, vp,
::boost::forward<Args>(get<IdxPack>(this->args_))...);
BOOST_TRY{
*p = ::boost::move(*vp);
}
BOOST_CATCH(...){
alloc_traits::destroy(a, vp);
BOOST_RETHROW
}
BOOST_CATCH_END
alloc_traits::destroy(a, vp);
}
};
//Specializations to avoid an unneeded temporary when emplacing from a single argument o type value_type
template<class A, class Iterator>
struct insert_emplace_proxy<A, Iterator, typename boost::container::allocator_traits<A>::value_type>
: public insert_move_proxy<A, Iterator>
{
explicit insert_emplace_proxy(typename boost::container::allocator_traits<A>::value_type &&v)
: insert_move_proxy<A, Iterator>(v)
{}
};
//We use "add_const" here as adding "const" only confuses MSVC12(and maybe later) provoking
//compiler error C2752 (<28>more than one partial specialization matches<65>).
//Any problem is solvable with an extra layer of indirection? ;-)
template<class A, class Iterator>
struct insert_emplace_proxy<A, Iterator
, typename boost::container::container_detail::add_const<typename boost::container::allocator_traits<A>::value_type>::type
>
: public insert_copy_proxy<A, Iterator>
{
explicit insert_emplace_proxy(const typename boost::container::allocator_traits<A>::value_type &v)
: insert_copy_proxy<A, Iterator>(v)
{}
};
template<class A, class Iterator>
struct insert_emplace_proxy<A, Iterator, typename boost::container::allocator_traits<A>::value_type &>
: public insert_copy_proxy<A, Iterator>
{
explicit insert_emplace_proxy(const typename boost::container::allocator_traits<A>::value_type &v)
: insert_copy_proxy<A, Iterator>(v)
{}
};
template<class A, class Iterator>
struct insert_emplace_proxy<A, Iterator
, typename boost::container::container_detail::add_const<typename boost::container::allocator_traits<A>::value_type>::type &
>
: public insert_copy_proxy<A, Iterator>
{
explicit insert_emplace_proxy(const typename boost::container::allocator_traits<A>::value_type &v)
: insert_copy_proxy<A, Iterator>(v)
{}
};
}}} //namespace boost { namespace container { namespace container_detail {
#else //#ifdef BOOST_CONTAINER_PERFECT_FORWARDING
#include <boost/container/detail/preprocessor.hpp>
#include <boost/container/detail/value_init.hpp>
namespace boost {
namespace container {
namespace container_detail {
#define BOOST_PP_LOCAL_MACRO(N) \
template<class A, class Iterator BOOST_PP_ENUM_TRAILING_PARAMS(N, class P) > \
struct BOOST_PP_CAT(insert_non_movable_emplace_proxy_arg, N) \
{ \
typedef boost::container::allocator_traits<A> alloc_traits; \
typedef typename alloc_traits::size_type size_type; \
typedef typename alloc_traits::value_type value_type; \
\
explicit BOOST_PP_CAT(insert_non_movable_emplace_proxy_arg, N) \
( BOOST_PP_ENUM(N, BOOST_CONTAINER_PP_PARAM_LIST, _) ) \
BOOST_PP_EXPR_IF(N, :) BOOST_PP_ENUM(N, BOOST_CONTAINER_PP_PARAM_INIT, _) \
{} \
\
void uninitialized_copy_n_and_update(A &a, Iterator p, size_type n) \
{ \
BOOST_ASSERT(n == 1); (void)n; \
alloc_traits::construct \
( a, iterator_to_raw_pointer(p) \
BOOST_PP_ENUM_TRAILING(N, BOOST_CONTAINER_PP_MEMBER_FORWARD, _) \
); \
} \
\
void copy_n_and_update(A &, Iterator, size_type) \
{ BOOST_ASSERT(false); } \
\
protected: \
BOOST_PP_REPEAT(N, BOOST_CONTAINER_PP_PARAM_DEFINE, _) \
}; \
\
template<class A, class Iterator BOOST_PP_ENUM_TRAILING_PARAMS(N, class P) > \
struct BOOST_PP_CAT(insert_emplace_proxy_arg, N) \
: BOOST_PP_CAT(insert_non_movable_emplace_proxy_arg, N) \
< A, Iterator BOOST_PP_ENUM_TRAILING_PARAMS(N, P) > \
{ \
typedef BOOST_PP_CAT(insert_non_movable_emplace_proxy_arg, N) \
<A, Iterator BOOST_PP_ENUM_TRAILING_PARAMS(N, P) > base_t; \
typedef typename base_t::value_type value_type; \
typedef typename base_t::size_type size_type; \
typedef boost::container::allocator_traits<A> alloc_traits; \
\
explicit BOOST_PP_CAT(insert_emplace_proxy_arg, N) \
( BOOST_PP_ENUM(N, BOOST_CONTAINER_PP_PARAM_LIST, _) ) \
: base_t(BOOST_PP_ENUM(N, BOOST_CONTAINER_PP_PARAM_FORWARD, _) ) \
{} \
\
void copy_n_and_update(A &a, Iterator p, size_type n) \
{ \
BOOST_ASSERT(n == 1); (void)n; \
aligned_storage<sizeof(value_type), alignment_of<value_type>::value> v; \
value_type *vp = static_cast<value_type *>(static_cast<void *>(&v)); \
alloc_traits::construct(a, vp \
BOOST_PP_ENUM_TRAILING(N, BOOST_CONTAINER_PP_MEMBER_FORWARD, _)); \
BOOST_TRY{ \
*p = ::boost::move(*vp); \
} \
BOOST_CATCH(...){ \
alloc_traits::destroy(a, vp); \
BOOST_RETHROW \
} \
BOOST_CATCH_END \
alloc_traits::destroy(a, vp); \
} \
}; \
//!
#define BOOST_PP_LOCAL_LIMITS (0, BOOST_CONTAINER_MAX_CONSTRUCTOR_PARAMETERS)
#include BOOST_PP_LOCAL_ITERATE()
#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
//Specializations to avoid an unneeded temporary when emplacing from a single argument o type value_type
template<class A, class Iterator>
struct insert_emplace_proxy_arg1<A, Iterator, ::boost::rv<typename boost::container::allocator_traits<A>::value_type> >
: public insert_move_proxy<A, Iterator>
{
explicit insert_emplace_proxy_arg1(typename boost::container::allocator_traits<A>::value_type &v)
: insert_move_proxy<A, Iterator>(v)
{}
};
template<class A, class Iterator>
struct insert_emplace_proxy_arg1<A, Iterator, typename boost::container::allocator_traits<A>::value_type>
: public insert_copy_proxy<A, Iterator>
{
explicit insert_emplace_proxy_arg1(const typename boost::container::allocator_traits<A>::value_type &v)
: insert_copy_proxy<A, Iterator>(v)
{}
};
#else //e.g. MSVC10 & MSVC11
//Specializations to avoid an unneeded temporary when emplacing from a single argument o type value_type
template<class A, class Iterator>
struct insert_emplace_proxy_arg1<A, Iterator, typename boost::container::allocator_traits<A>::value_type>
: public insert_move_proxy<A, Iterator>
{
explicit insert_emplace_proxy_arg1(typename boost::container::allocator_traits<A>::value_type &&v)
: insert_move_proxy<A, Iterator>(v)
{}
};
//We use "add_const" here as adding "const" only confuses MSVC10&11 provoking
//compiler error C2752 (<28>more than one partial specialization matches<65>).
//Any problem is solvable with an extra layer of indirection? ;-)
template<class A, class Iterator>
struct insert_emplace_proxy_arg1<A, Iterator
, typename boost::container::container_detail::add_const<typename boost::container::allocator_traits<A>::value_type>::type
>
: public insert_copy_proxy<A, Iterator>
{
explicit insert_emplace_proxy_arg1(const typename boost::container::allocator_traits<A>::value_type &v)
: insert_copy_proxy<A, Iterator>(v)
{}
};
template<class A, class Iterator>
struct insert_emplace_proxy_arg1<A, Iterator, typename boost::container::allocator_traits<A>::value_type &>
: public insert_copy_proxy<A, Iterator>
{
explicit insert_emplace_proxy_arg1(const typename boost::container::allocator_traits<A>::value_type &v)
: insert_copy_proxy<A, Iterator>(v)
{}
};
template<class A, class Iterator>
struct insert_emplace_proxy_arg1<A, Iterator
, typename boost::container::container_detail::add_const<typename boost::container::allocator_traits<A>::value_type>::type &
>
: public insert_copy_proxy<A, Iterator>
{
explicit insert_emplace_proxy_arg1(const typename boost::container::allocator_traits<A>::value_type &v)
: insert_copy_proxy<A, Iterator>(v)
{}
};
#endif
}}} //namespace boost { namespace container { namespace container_detail {
#endif //#ifdef BOOST_CONTAINER_PERFECT_FORWARDING
#include <boost/container/detail/config_end.hpp>
#endif //#ifndef BOOST_CONTAINER_ADVANCED_INSERT_INT_HPP