Swiftdiff options
Diffstat (limited to '3rdParty/Boost/src/boost/smart_ptr/detail/shared_count.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/smart_ptr/detail/shared_count.hpp | 165 |
1 files changed, 154 insertions, 11 deletions
diff --git a/3rdParty/Boost/src/boost/smart_ptr/detail/shared_count.hpp b/3rdParty/Boost/src/boost/smart_ptr/detail/shared_count.hpp index f96a220..1e7d688 100644 --- a/3rdParty/Boost/src/boost/smart_ptr/detail/shared_count.hpp +++ b/3rdParty/Boost/src/boost/smart_ptr/detail/shared_count.hpp @@ -35,7 +35,14 @@ // rather than including <memory> directly: #include <boost/config/no_tr1/memory.hpp> // std::auto_ptr #include <functional> // std::less -#include <new> // std::bad_alloc + +#ifdef BOOST_NO_EXCEPTIONS +# include <new> // std::bad_alloc +#endif + +#if !defined( BOOST_NO_CXX11_SMART_PTR ) +# include <boost/utility/addressof.hpp> +#endif namespace boost { @@ -56,6 +63,38 @@ template< class D > struct sp_inplace_tag { }; +#if !defined( BOOST_NO_CXX11_SMART_PTR ) + +template< class T > class sp_reference_wrapper +{ +public: + + explicit sp_reference_wrapper( T & t): t_( boost::addressof( t ) ) + { + } + + template< class Y > void operator()( Y * p ) const + { + (*t_)( p ); + } + +private: + + T * t_; +}; + +template< class D > struct sp_convert_reference +{ + typedef D type; +}; + +template< class D > struct sp_convert_reference< D& > +{ + typedef sp_reference_wrapper< D > type; +}; + +#endif + class weak_count; class shared_count @@ -161,7 +200,7 @@ public: } catch( ... ) { - D()( p ); // delete p + D::operator_fn( p ); // delete p throw; } @@ -171,7 +210,7 @@ public: if( pi_ == 0 ) { - D()( p ); // delete p + D::operator_fn( p ); // delete p boost::throw_exception( std::bad_alloc() ); } @@ -186,16 +225,35 @@ public: #endif { typedef sp_counted_impl_pda<P, D, A> impl_type; + +#if !defined( BOOST_NO_CXX11_ALLOCATOR ) + + typedef typename std::allocator_traits<A>::template rebind_alloc< impl_type > A2; + +#else + typedef typename A::template rebind< impl_type >::other A2; +#endif + A2 a2( a ); #ifndef BOOST_NO_EXCEPTIONS try { +#if !defined( BOOST_NO_CXX11_ALLOCATOR ) + + impl_type * pi = std::allocator_traits<A2>::allocate( a2, 1 ); + pi_ = pi; + std::allocator_traits<A2>::construct( a2, pi, p, d, a ); + +#else + pi_ = a2.allocate( 1, static_cast< impl_type* >( 0 ) ); - new( static_cast< void* >( pi_ ) ) impl_type( p, d, a ); + ::new( static_cast< void* >( pi_ ) ) impl_type( p, d, a ); + +#endif } catch(...) { @@ -211,11 +269,28 @@ public: #else +#if !defined( BOOST_NO_CXX11_ALLOCATOR ) + + impl_type * pi = std::allocator_traits<A2>::allocate( a2, 1 ); + pi_ = pi; + +#else + pi_ = a2.allocate( 1, static_cast< impl_type* >( 0 ) ); +#endif + if( pi_ != 0 ) { - new( static_cast< void* >( pi_ ) ) impl_type( p, d, a ); +#if !defined( BOOST_NO_CXX11_ALLOCATOR ) + + std::allocator_traits<A2>::construct( a2, pi, p, d, a ); + +#else + + ::new( static_cast< void* >( pi_ ) ) impl_type( p, d, a ); + +#endif } else { @@ -234,20 +309,39 @@ public: #endif { typedef sp_counted_impl_pda< P, D, A > impl_type; + +#if !defined( BOOST_NO_CXX11_ALLOCATOR ) + + typedef typename std::allocator_traits<A>::template rebind_alloc< impl_type > A2; + +#else + typedef typename A::template rebind< impl_type >::other A2; +#endif + A2 a2( a ); #ifndef BOOST_NO_EXCEPTIONS try { +#if !defined( BOOST_NO_CXX11_ALLOCATOR ) + + impl_type * pi = std::allocator_traits<A2>::allocate( a2, 1 ); + pi_ = pi; + std::allocator_traits<A2>::construct( a2, pi, p, a ); + +#else + pi_ = a2.allocate( 1, static_cast< impl_type* >( 0 ) ); - new( static_cast< void* >( pi_ ) ) impl_type( p, a ); + ::new( static_cast< void* >( pi_ ) ) impl_type( p, a ); + +#endif } catch(...) { - D()( p ); + D::operator_fn( p ); if( pi_ != 0 ) { @@ -259,15 +353,32 @@ public: #else +#if !defined( BOOST_NO_CXX11_ALLOCATOR ) + + impl_type * pi = std::allocator_traits<A2>::allocate( a2, 1 ); + pi_ = pi; + +#else + pi_ = a2.allocate( 1, static_cast< impl_type* >( 0 ) ); +#endif + if( pi_ != 0 ) { - new( static_cast< void* >( pi_ ) ) impl_type( p, a ); +#if !defined( BOOST_NO_CXX11_ALLOCATOR ) + + std::allocator_traits<A2>::construct( a2, pi, p, a ); + +#else + + ::new( static_cast< void* >( pi_ ) ) impl_type( p, a ); + +#endif } else { - D()( p ); + D::operator_fn( p ); boost::throw_exception( std::bad_alloc() ); } @@ -300,6 +411,33 @@ public: #endif +#if !defined( BOOST_NO_CXX11_SMART_PTR ) + + template<class Y, class D> + explicit shared_count( std::unique_ptr<Y, D> & r ): pi_( 0 ) +#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) + , id_(shared_count_id) +#endif + { + typedef typename sp_convert_reference<D>::type D2; + + D2 d2( r.get_deleter() ); + pi_ = new sp_counted_impl_pd< typename std::unique_ptr<Y, D>::pointer, D2 >( r.get(), d2 ); + +#ifdef BOOST_NO_EXCEPTIONS + + if( pi_ == 0 ) + { + boost::throw_exception( std::bad_alloc() ); + } + +#endif + + r.release(); + } + +#endif + ~shared_count() // nothrow { if( pi_ != 0 ) pi_->release(); @@ -316,7 +454,7 @@ public: if( pi_ != 0 ) pi_->add_ref_copy(); } -#if defined( BOOST_HAS_RVALUE_REFS ) +#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES ) shared_count(shared_count && r): pi_(r.pi_) // nothrow #if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) @@ -381,6 +519,11 @@ public: { return pi_? pi_->get_deleter( ti ): 0; } + + void * get_untyped_deleter() const + { + return pi_? pi_->get_untyped_deleter(): 0; + } }; @@ -423,7 +566,7 @@ public: // Move support -#if defined( BOOST_HAS_RVALUE_REFS ) +#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES ) weak_count(weak_count && r): pi_(r.pi_) // nothrow #if defined(BOOST_SP_ENABLE_DEBUG_HOOKS) |