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Diffstat (limited to 'cutl/details/boost/smart_ptr/detail/sp_counted_impl.hpp')
| -rw-r--r-- | cutl/details/boost/smart_ptr/detail/sp_counted_impl.hpp | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/cutl/details/boost/smart_ptr/detail/sp_counted_impl.hpp b/cutl/details/boost/smart_ptr/detail/sp_counted_impl.hpp new file mode 100644 index 0000000..5707803 --- /dev/null +++ b/cutl/details/boost/smart_ptr/detail/sp_counted_impl.hpp @@ -0,0 +1,231 @@ +#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_IMPL_HPP_INCLUDED +#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_IMPL_HPP_INCLUDED + +// MS compatible compilers support #pragma once + +#if defined(_MSC_VER) && (_MSC_VER >= 1020) +# pragma once +#endif + +// +// detail/sp_counted_impl.hpp +// +// Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd. +// Copyright 2004-2005 Peter Dimov +// +// 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) +// + +#include <cutl/details/boost/config.hpp> + +#if defined(BOOST_SP_USE_STD_ALLOCATOR) && defined(BOOST_SP_USE_QUICK_ALLOCATOR) +# error BOOST_SP_USE_STD_ALLOCATOR and BOOST_SP_USE_QUICK_ALLOCATOR are incompatible. +#endif + +#include <cutl/details/boost/checked_delete.hpp> +#include <cutl/details/boost/smart_ptr/detail/sp_counted_base.hpp> + +#if defined(BOOST_SP_USE_QUICK_ALLOCATOR) +#include <cutl/details/boost/smart_ptr/detail/quick_allocator.hpp> +#endif + +#if defined(BOOST_SP_USE_STD_ALLOCATOR) +#include <memory> // std::allocator +#endif + +#include <cstddef> // std::size_t + +namespace cutl_details_boost +{ + +#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) + +void sp_scalar_constructor_hook( void * px, std::size_t size, void * pn ); +void sp_scalar_destructor_hook( void * px, std::size_t size, void * pn ); + +#endif + +namespace detail +{ + +template<class X> class sp_counted_impl_p: public sp_counted_base +{ +private: + + X * px_; + + sp_counted_impl_p( sp_counted_impl_p const & ); + sp_counted_impl_p & operator= ( sp_counted_impl_p const & ); + + typedef sp_counted_impl_p<X> this_type; + +public: + + explicit sp_counted_impl_p( X * px ): px_( px ) + { +#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) + cutl_details_boost::sp_scalar_constructor_hook( px, sizeof(X), this ); +#endif + } + + virtual void dispose() // nothrow + { +#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) + cutl_details_boost::sp_scalar_destructor_hook( px_, sizeof(X), this ); +#endif + cutl_details_boost::checked_delete( px_ ); + } + + virtual void * get_deleter( detail::sp_typeinfo const & ) + { + return 0; + } + +#if defined(BOOST_SP_USE_STD_ALLOCATOR) + + void * operator new( std::size_t ) + { + return std::allocator<this_type>().allocate( 1, static_cast<this_type *>(0) ); + } + + void operator delete( void * p ) + { + std::allocator<this_type>().deallocate( static_cast<this_type *>(p), 1 ); + } + +#endif + +#if defined(BOOST_SP_USE_QUICK_ALLOCATOR) + + void * operator new( std::size_t ) + { + return quick_allocator<this_type>::alloc(); + } + + void operator delete( void * p ) + { + quick_allocator<this_type>::dealloc( p ); + } + +#endif +}; + +// +// Borland's Codeguard trips up over the -Vx- option here: +// +#ifdef __CODEGUARD__ +# pragma option push -Vx- +#endif + +template<class P, class D> class sp_counted_impl_pd: public sp_counted_base +{ +private: + + P ptr; // copy constructor must not throw + D del; // copy constructor must not throw + + sp_counted_impl_pd( sp_counted_impl_pd const & ); + sp_counted_impl_pd & operator= ( sp_counted_impl_pd const & ); + + typedef sp_counted_impl_pd<P, D> this_type; + +public: + + // pre: d(p) must not throw + + sp_counted_impl_pd( P p, D d ): ptr(p), del(d) + { + } + + virtual void dispose() // nothrow + { + del( ptr ); + } + + virtual void * get_deleter( detail::sp_typeinfo const & ti ) + { + return ti == BOOST_SP_TYPEID(D)? &reinterpret_cast<char&>( del ): 0; + } + +#if defined(BOOST_SP_USE_STD_ALLOCATOR) + + void * operator new( std::size_t ) + { + return std::allocator<this_type>().allocate( 1, static_cast<this_type *>(0) ); + } + + void operator delete( void * p ) + { + std::allocator<this_type>().deallocate( static_cast<this_type *>(p), 1 ); + } + +#endif + +#if defined(BOOST_SP_USE_QUICK_ALLOCATOR) + + void * operator new( std::size_t ) + { + return quick_allocator<this_type>::alloc(); + } + + void operator delete( void * p ) + { + quick_allocator<this_type>::dealloc( p ); + } + +#endif +}; + +template<class P, class D, class A> class sp_counted_impl_pda: public sp_counted_base +{ +private: + + P p_; // copy constructor must not throw + D d_; // copy constructor must not throw + A a_; // copy constructor must not throw + + sp_counted_impl_pda( sp_counted_impl_pda const & ); + sp_counted_impl_pda & operator= ( sp_counted_impl_pda const & ); + + typedef sp_counted_impl_pda<P, D, A> this_type; + +public: + + // pre: d( p ) must not throw + + sp_counted_impl_pda( P p, D d, A a ): p_( p ), d_( d ), a_( a ) + { + } + + virtual void dispose() // nothrow + { + d_( p_ ); + } + + virtual void destroy() // nothrow + { + typedef typename A::template rebind< this_type >::other A2; + + A2 a2( a_ ); + + this->~this_type(); + a2.deallocate( this, 1 ); + } + + virtual void * get_deleter( detail::sp_typeinfo const & ti ) + { + return ti == BOOST_SP_TYPEID( D )? &reinterpret_cast<char&>( d_ ): 0; + } +}; + +#ifdef __CODEGUARD__ +# pragma option pop +#endif + +} // namespace detail + +} // namespace cutl_details_boost + +#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_IMPL_HPP_INCLUDED |