mirror of
https://github.com/boostorg/smart_ptr.git
synced 2025-07-30 04:47:12 +02:00
Full merge from trunk at revision 41356 of entire boost-root tree.
[SVN r41369]
This commit is contained in:
@ -105,6 +105,11 @@ public:
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return *this;
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}
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void reset( T * rhs )
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{
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this_type( rhs ).swap( *this );
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}
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T * get() const
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{
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return p_;
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@ -112,11 +117,13 @@ public:
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T & operator*() const
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{
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BOOST_ASSERT( p_ != 0 );
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return *p_;
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}
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T * operator->() const
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{
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BOOST_ASSERT( p_ != 0 );
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return p_;
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}
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@ -103,7 +103,23 @@ public:
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return px != 0;
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}
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#elif defined(__MWERKS__) && BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3003))
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#elif defined( _MANAGED )
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static void unspecified_bool( this_type*** )
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{
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}
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typedef void (*unspecified_bool_type)( this_type*** );
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operator unspecified_bool_type() const // never throws
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{
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return px == 0? 0: unspecified_bool;
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}
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#elif \
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( defined(__MWERKS__) && BOOST_WORKAROUND(__MWERKS__, < 0x3200) ) || \
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( defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ < 304) )
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typedef T * (this_type::*unspecified_bool_type)() const;
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operator unspecified_bool_type() const // never throws
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@ -5,7 +5,7 @@
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// shared_ptr.hpp
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//
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// (C) Copyright Greg Colvin and Beman Dawes 1998, 1999.
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// Copyright (c) 2001-2006 Peter Dimov
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// Copyright (c) 2001-2007 Peter Dimov
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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@ -88,6 +88,21 @@ template<class T, class Y> void sp_enable_shared_from_this( shared_count const &
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if(pe != 0) pe->_internal_weak_this._internal_assign(const_cast<Y*>(px), pn);
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}
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#ifdef _MANAGED
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// Avoid C4793, ... causes native code generation
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struct sp_any_pointer
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{
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template<class T> sp_any_pointer( T* ) {}
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};
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inline void sp_enable_shared_from_this( shared_count const & /*pn*/, sp_any_pointer, sp_any_pointer )
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{
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}
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#else // _MANAGED
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#ifdef sgi
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// Turn off: the last argument of the varargs function "sp_enable_shared_from_this" is unnamed
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# pragma set woff 3506
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@ -101,6 +116,8 @@ inline void sp_enable_shared_from_this( shared_count const & /*pn*/, ... )
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# pragma reset woff 3506
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#endif
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#endif // _MANAGED
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#if !defined( BOOST_NO_SFINAE ) && !defined( BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION ) && !defined( BOOST_NO_AUTO_PTR )
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// rvalue auto_ptr support based on a technique by Dave Abrahams
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@ -195,6 +212,12 @@ public:
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{
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}
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// aliasing
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template< class Y >
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shared_ptr( shared_ptr<Y> const & r, T * p ): px( p ), pn( r.pn ) // never throws
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{
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}
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template<class Y>
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shared_ptr(shared_ptr<Y> const & r, boost::detail::static_cast_tag): px(static_cast<element_type *>(r.px)), pn(r.pn)
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{
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@ -236,7 +259,7 @@ public:
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#if !defined( BOOST_NO_SFINAE ) && !defined( BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION )
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template<class Ap>
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explicit shared_ptr( Ap r, typename boost::detail::sp_enable_if_auto_ptr<Ap, int>::type = 0 ): px( r.get() ), pn()
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shared_ptr( Ap r, typename boost::detail::sp_enable_if_auto_ptr<Ap, int>::type = 0 ): px( r.get() ), pn()
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{
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typename Ap::element_type * tmp = r.get();
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pn = boost::detail::shared_count( r );
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@ -283,6 +306,38 @@ public:
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#endif // BOOST_NO_AUTO_PTR
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// Move support
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#if defined( BOOST_HAS_RVALUE_REFS )
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shared_ptr( shared_ptr && r ): px( r.px ), pn() // never throws
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{
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pn.swap( r.pn );
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r.px = 0;
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}
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template<class Y>
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shared_ptr( shared_ptr<Y> && r ): px( r.px ), pn() // never throws
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{
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pn.swap( r.pn );
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r.px = 0;
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}
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shared_ptr & operator=( shared_ptr && r ) // never throws
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{
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this_type( static_cast< shared_ptr && >( r ) ).swap( *this );
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return *this;
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}
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template<class Y>
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shared_ptr & operator=( shared_ptr<Y> && r ) // never throws
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{
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this_type( static_cast< shared_ptr<Y> && >( r ) ).swap( *this );
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return *this;
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}
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#endif
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void reset() // never throws in 1.30+
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{
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this_type().swap(*this);
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@ -304,6 +359,11 @@ public:
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this_type( p, d, a ).swap( *this );
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}
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template<class Y> void reset( shared_ptr<Y> const & r, T * p )
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{
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this_type( r, p ).swap( *this );
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}
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reference operator* () const // never throws
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{
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BOOST_ASSERT(px != 0);
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@ -323,7 +383,7 @@ public:
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// implicit conversion to "bool"
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#if defined(__SUNPRO_CC) && BOOST_WORKAROUND(__SUNPRO_CC, <= 0x580)
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#if ( defined(__SUNPRO_CC) && BOOST_WORKAROUND(__SUNPRO_CC, < 0x570) ) || defined(__CINT__)
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operator bool () const
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{
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@ -345,7 +405,8 @@ public:
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#elif \
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( defined(__MWERKS__) && BOOST_WORKAROUND(__MWERKS__, < 0x3200) ) || \
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( defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ < 304) )
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( defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ < 304) ) || \
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( defined(__SUNPRO_CC) && BOOST_WORKAROUND(__SUNPRO_CC, <= 0x590) )
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typedef T * (this_type::*unspecified_bool_type)() const;
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@ -393,9 +454,9 @@ public:
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return pn < rhs.pn;
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}
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void * _internal_get_deleter(std::type_info const & ti) const
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void * _internal_get_deleter( detail::sp_typeinfo const & ti ) const
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{
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return pn.get_deleter(ti);
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return pn.get_deleter( ti );
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}
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// Tasteless as this may seem, making all members public allows member templates
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@ -523,7 +584,7 @@ template<class E, class T, class Y> std::basic_ostream<E, T> & operator<< (std::
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#endif // __GNUC__ < 3
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// get_deleter (experimental)
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// get_deleter
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#if ( defined(__GNUC__) && BOOST_WORKAROUND(__GNUC__, < 3) ) || \
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( defined(__EDG_VERSION__) && BOOST_WORKAROUND(__EDG_VERSION__, <= 238) ) || \
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@ -534,7 +595,7 @@ template<class E, class T, class Y> std::basic_ostream<E, T> & operator<< (std::
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template<class D, class T> D * get_deleter(shared_ptr<T> const & p)
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{
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void const * q = p._internal_get_deleter(typeid(D));
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void const * q = p._internal_get_deleter(BOOST_SP_TYPEID(D));
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return const_cast<D *>(static_cast<D const *>(q));
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}
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@ -542,7 +603,7 @@ template<class D, class T> D * get_deleter(shared_ptr<T> const & p)
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template<class D, class T> D * get_deleter(shared_ptr<T> const & p)
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{
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return static_cast<D *>(p._internal_get_deleter(typeid(D)));
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return static_cast<D *>(p._internal_get_deleter(BOOST_SP_TYPEID(D)));
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}
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#endif
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@ -179,12 +179,6 @@ template<class T> void swap(weak_ptr<T> & a, weak_ptr<T> & b)
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a.swap(b);
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}
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// deprecated, provided for backward compatibility
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template<class T> shared_ptr<T> make_shared(weak_ptr<T> const & r)
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{
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return r.lock();
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}
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} // namespace boost
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#ifdef BOOST_MSVC
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