Updated boost to v1.55.0

[rsem.git] / boost / smart_ptr / detail / shared_count.hpp

diff --git a/boost/smart_ptr/detail/shared_count.hpp b/boost/smart_ptr/detail/shared_count.hpp
index 4943e37643fc5ed7399128f27303774eca2a22e0..8e1dd4810a797aef92ec2dd0352d22db385537f8 100644 (file)
--- a/boost/smart_ptr/detail/shared_count.hpp
+++ b/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
 {
@@ -52,6 +59,42 @@ int const   weak_count_id = 0x298C38A4;
 
 struct sp_nothrow_tag {};
 
+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
@@ -142,6 +185,40 @@ public:
 #endif
     }
 
+#if !defined( BOOST_NO_FUNCTION_TEMPLATE_ORDERING )
+
+    template< class P, class D > shared_count( P p, sp_inplace_tag<D> ): pi_( 0 )
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+        , id_(shared_count_id)
+#endif
+    {
+#ifndef BOOST_NO_EXCEPTIONS
+
+        try
+        {
+            pi_ = new sp_counted_impl_pd< P, D >( p );
+        }
+        catch( ... )
+        {
+            D::operator_fn( p ); // delete p
+            throw;
+        }
+
+#else
+
+        pi_ = new sp_counted_impl_pd< P, D >( p );
+
+        if( pi_ == 0 )
+        {
+            D::operator_fn( p ); // delete p
+            boost::throw_exception( std::bad_alloc() );
+        }
+
+#endif // #ifndef BOOST_NO_EXCEPTIONS
+    }
+
+#endif // !defined( BOOST_NO_FUNCTION_TEMPLATE_ORDERING )
+
     template<class P, class D, class A> shared_count( P p, D d, A a ): pi_( 0 )
 #if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
         , id_(shared_count_id)
@@ -188,6 +265,56 @@ public:
 #endif
     }
 
+#if !defined( BOOST_NO_FUNCTION_TEMPLATE_ORDERING )
+
+    template< class P, class D, class A > shared_count( P p, sp_inplace_tag< D >, A a ): pi_( 0 )
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+        , id_(shared_count_id)
+#endif
+    {
+        typedef sp_counted_impl_pda< P, D, A > impl_type;
+        typedef typename A::template rebind< impl_type >::other A2;
+
+        A2 a2( a );
+
+#ifndef BOOST_NO_EXCEPTIONS
+
+        try
+        {
+            pi_ = a2.allocate( 1, static_cast< impl_type* >( 0 ) );
+            new( static_cast< void* >( pi_ ) ) impl_type( p, a );
+        }
+        catch(...)
+        {
+            D::operator_fn( p );
+
+            if( pi_ != 0 )
+            {
+                a2.deallocate( static_cast< impl_type* >( pi_ ), 1 );
+            }
+
+            throw;
+        }
+
+#else
+
+        pi_ = a2.allocate( 1, static_cast< impl_type* >( 0 ) );
+
+        if( pi_ != 0 )
+        {
+            new( static_cast< void* >( pi_ ) ) impl_type( p, a );
+        }
+        else
+        {
+            D::operator_fn( p );
+            boost::throw_exception( std::bad_alloc() );
+        }
+
+#endif // #ifndef BOOST_NO_EXCEPTIONS
+    }
+
+#endif // !defined( BOOST_NO_FUNCTION_TEMPLATE_ORDERING )
+
 #ifndef BOOST_NO_AUTO_PTR
 
     // auto_ptr<Y> is special cased to provide the strong guarantee
@@ -212,6 +339,33 @@ 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();
@@ -228,7 +382,7 @@ 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)
@@ -293,6 +447,11 @@ public:
     {
         return pi_? pi_->get_deleter( ti ): 0;
     }
+
+    void * get_untyped_deleter() const
+    {
+        return pi_? pi_->get_untyped_deleter(): 0;
+    }
 };
 
 
@@ -335,7 +494,7 @@ 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)