Chris@16: #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_IMPL_HPP_INCLUDED
Chris@16: #define BOOST_SMART_PTR_DETAIL_SP_COUNTED_IMPL_HPP_INCLUDED
Chris@16: 
Chris@16: // MS compatible compilers support #pragma once
Chris@16: 
Chris@16: #if defined(_MSC_VER) && (_MSC_VER >= 1020)
Chris@16: # pragma once
Chris@16: #endif
Chris@16: 
Chris@16: //
Chris@16: //  detail/sp_counted_impl.hpp
Chris@16: //
Chris@16: //  Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
Chris@16: //  Copyright 2004-2005 Peter Dimov
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See
Chris@16: // accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: 
Chris@16: #include <boost/config.hpp>
Chris@16: 
Chris@16: #if defined(BOOST_SP_USE_STD_ALLOCATOR) && defined(BOOST_SP_USE_QUICK_ALLOCATOR)
Chris@16: # error BOOST_SP_USE_STD_ALLOCATOR and BOOST_SP_USE_QUICK_ALLOCATOR are incompatible.
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/checked_delete.hpp>
Chris@16: #include <boost/smart_ptr/detail/sp_counted_base.hpp>
Chris@16: 
Chris@16: #if defined(BOOST_SP_USE_QUICK_ALLOCATOR)
Chris@16: #include <boost/smart_ptr/detail/quick_allocator.hpp>
Chris@16: #endif
Chris@16: 
Chris@16: #if defined(BOOST_SP_USE_STD_ALLOCATOR)
Chris@16: #include <memory>           // std::allocator
Chris@16: #endif
Chris@16: 
Chris@16: #include <cstddef>          // std::size_t
Chris@16: 
Chris@16: namespace boost
Chris@16: {
Chris@16: 
Chris@16: #if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
Chris@16: 
Chris@16: void sp_scalar_constructor_hook( void * px, std::size_t size, void * pn );
Chris@16: void sp_scalar_destructor_hook( void * px, std::size_t size, void * pn );
Chris@16: 
Chris@16: #endif
Chris@16: 
Chris@16: namespace detail
Chris@16: {
Chris@16: 
Chris@16: template<class X> class sp_counted_impl_p: public sp_counted_base
Chris@16: {
Chris@16: private:
Chris@16: 
Chris@16:     X * px_;
Chris@16: 
Chris@16:     sp_counted_impl_p( sp_counted_impl_p const & );
Chris@16:     sp_counted_impl_p & operator= ( sp_counted_impl_p const & );
Chris@16: 
Chris@16:     typedef sp_counted_impl_p<X> this_type;
Chris@16: 
Chris@16: public:
Chris@16: 
Chris@16:     explicit sp_counted_impl_p( X * px ): px_( px )
Chris@16:     {
Chris@16: #if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
Chris@16:         boost::sp_scalar_constructor_hook( px, sizeof(X), this );
Chris@16: #endif
Chris@16:     }
Chris@16: 
Chris@16:     virtual void dispose() // nothrow
Chris@16:     {
Chris@16: #if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
Chris@16:         boost::sp_scalar_destructor_hook( px_, sizeof(X), this );
Chris@16: #endif
Chris@16:         boost::checked_delete( px_ );
Chris@16:     }
Chris@16: 
Chris@101:     virtual void * get_deleter( sp_typeinfo const & )
Chris@16:     {
Chris@16:         return 0;
Chris@16:     }
Chris@16: 
Chris@16:     virtual void * get_untyped_deleter()
Chris@16:     {
Chris@16:         return 0;
Chris@16:     }
Chris@16: 
Chris@16: #if defined(BOOST_SP_USE_STD_ALLOCATOR)
Chris@16: 
Chris@16:     void * operator new( std::size_t )
Chris@16:     {
Chris@16:         return std::allocator<this_type>().allocate( 1, static_cast<this_type *>(0) );
Chris@16:     }
Chris@16: 
Chris@16:     void operator delete( void * p )
Chris@16:     {
Chris@16:         std::allocator<this_type>().deallocate( static_cast<this_type *>(p), 1 );
Chris@16:     }
Chris@16: 
Chris@16: #endif
Chris@16: 
Chris@16: #if defined(BOOST_SP_USE_QUICK_ALLOCATOR)
Chris@16: 
Chris@16:     void * operator new( std::size_t )
Chris@16:     {
Chris@16:         return quick_allocator<this_type>::alloc();
Chris@16:     }
Chris@16: 
Chris@16:     void operator delete( void * p )
Chris@16:     {
Chris@16:         quick_allocator<this_type>::dealloc( p );
Chris@16:     }
Chris@16: 
Chris@16: #endif
Chris@16: };
Chris@16: 
Chris@16: //
Chris@16: // Borland's Codeguard trips up over the -Vx- option here:
Chris@16: //
Chris@16: #ifdef __CODEGUARD__
Chris@16: # pragma option push -Vx-
Chris@16: #endif
Chris@16: 
Chris@16: template<class P, class D> class sp_counted_impl_pd: public sp_counted_base
Chris@16: {
Chris@16: private:
Chris@16: 
Chris@16:     P ptr; // copy constructor must not throw
Chris@16:     D del; // copy constructor must not throw
Chris@16: 
Chris@16:     sp_counted_impl_pd( sp_counted_impl_pd const & );
Chris@16:     sp_counted_impl_pd & operator= ( sp_counted_impl_pd const & );
Chris@16: 
Chris@16:     typedef sp_counted_impl_pd<P, D> this_type;
Chris@16: 
Chris@16: public:
Chris@16: 
Chris@16:     // pre: d(p) must not throw
Chris@16: 
Chris@16:     sp_counted_impl_pd( P p, D & d ): ptr( p ), del( d )
Chris@16:     {
Chris@16:     }
Chris@16: 
Chris@16:     sp_counted_impl_pd( P p ): ptr( p ), del()
Chris@16:     {
Chris@16:     }
Chris@16: 
Chris@16:     virtual void dispose() // nothrow
Chris@16:     {
Chris@16:         del( ptr );
Chris@16:     }
Chris@16: 
Chris@101:     virtual void * get_deleter( sp_typeinfo const & ti )
Chris@16:     {
Chris@16:         return ti == BOOST_SP_TYPEID(D)? &reinterpret_cast<char&>( del ): 0;
Chris@16:     }
Chris@16: 
Chris@16:     virtual void * get_untyped_deleter()
Chris@16:     {
Chris@16:         return &reinterpret_cast<char&>( del );
Chris@16:     }
Chris@16: 
Chris@16: #if defined(BOOST_SP_USE_STD_ALLOCATOR)
Chris@16: 
Chris@16:     void * operator new( std::size_t )
Chris@16:     {
Chris@16:         return std::allocator<this_type>().allocate( 1, static_cast<this_type *>(0) );
Chris@16:     }
Chris@16: 
Chris@16:     void operator delete( void * p )
Chris@16:     {
Chris@16:         std::allocator<this_type>().deallocate( static_cast<this_type *>(p), 1 );
Chris@16:     }
Chris@16: 
Chris@16: #endif
Chris@16: 
Chris@16: #if defined(BOOST_SP_USE_QUICK_ALLOCATOR)
Chris@16: 
Chris@16:     void * operator new( std::size_t )
Chris@16:     {
Chris@16:         return quick_allocator<this_type>::alloc();
Chris@16:     }
Chris@16: 
Chris@16:     void operator delete( void * p )
Chris@16:     {
Chris@16:         quick_allocator<this_type>::dealloc( p );
Chris@16:     }
Chris@16: 
Chris@16: #endif
Chris@16: };
Chris@16: 
Chris@16: template<class P, class D, class A> class sp_counted_impl_pda: public sp_counted_base
Chris@16: {
Chris@16: private:
Chris@16: 
Chris@16:     P p_; // copy constructor must not throw
Chris@16:     D d_; // copy constructor must not throw
Chris@16:     A a_; // copy constructor must not throw
Chris@16: 
Chris@16:     sp_counted_impl_pda( sp_counted_impl_pda const & );
Chris@16:     sp_counted_impl_pda & operator= ( sp_counted_impl_pda const & );
Chris@16: 
Chris@16:     typedef sp_counted_impl_pda<P, D, A> this_type;
Chris@16: 
Chris@16: public:
Chris@16: 
Chris@16:     // pre: d( p ) must not throw
Chris@16: 
Chris@16:     sp_counted_impl_pda( P p, D & d, A a ): p_( p ), d_( d ), a_( a )
Chris@16:     {
Chris@16:     }
Chris@16: 
Chris@101:     sp_counted_impl_pda( P p, A a ): p_( p ), d_( a ), a_( a )
Chris@16:     {
Chris@16:     }
Chris@16: 
Chris@16:     virtual void dispose() // nothrow
Chris@16:     {
Chris@16:         d_( p_ );
Chris@16:     }
Chris@16: 
Chris@16:     virtual void destroy() // nothrow
Chris@16:     {
Chris@101: #if !defined( BOOST_NO_CXX11_ALLOCATOR )
Chris@101: 
Chris@101:         typedef typename std::allocator_traits<A>::template rebind_alloc< this_type > A2;
Chris@101: 
Chris@101: #else
Chris@101: 
Chris@16:         typedef typename A::template rebind< this_type >::other A2;
Chris@16: 
Chris@101: #endif
Chris@101: 
Chris@16:         A2 a2( a_ );
Chris@16: 
Chris@101: #if !defined( BOOST_NO_CXX11_ALLOCATOR )
Chris@101: 
Chris@101:         std::allocator_traits<A2>::destroy( a2, this );
Chris@101: 
Chris@101: #else
Chris@101: 
Chris@16:         this->~this_type();
Chris@101: 
Chris@101: #endif
Chris@101: 
Chris@16:         a2.deallocate( this, 1 );
Chris@16:     }
Chris@16: 
Chris@101:     virtual void * get_deleter( sp_typeinfo const & ti )
Chris@16:     {
Chris@16:         return ti == BOOST_SP_TYPEID( D )? &reinterpret_cast<char&>( d_ ): 0;
Chris@16:     }
Chris@16: 
Chris@16:     virtual void * get_untyped_deleter()
Chris@16:     {
Chris@16:         return &reinterpret_cast<char&>( d_ );
Chris@16:     }
Chris@16: };
Chris@16: 
Chris@16: #ifdef __CODEGUARD__
Chris@16: # pragma option pop
Chris@16: #endif
Chris@16: 
Chris@16: } // namespace detail
Chris@16: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #endif  // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_IMPL_HPP_INCLUDED