feedc0de/boost_smart_ptr
1
0
Fork 0
forked from boostorg/smart_ptr
Code Pull Requests Activity

Refs #2814 (fixed in trunk.)

Browse Source 
[SVN r51518]
This commit is contained in:
Peter Dimov
2009-03-01 18:42:44 +00:00
parent 905a3711db
commit a378c8c278
6 changed files with 112 additions and 240 deletions
Download Patch File Download Diff File Expand all files Collapse all files

61
include/boost/smart_ptr/scoped_array.hpp
View File

@@ -39,7 +39,7 @@ template<class T> class scoped_array // noncopyable
{
private:
T * ptr;
T * px;
scoped_array(scoped_array const &);
scoped_array & operator=(scoped_array const &);
@@ -53,79 +53,48 @@ public:
typedef T element_type;
explicit scoped_array(T * p = 0) : ptr(p) // never throws
explicit scoped_array( T * p = 0 ) : px( p ) // never throws
{
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
boost::sp_array_constructor_hook(ptr);
boost::sp_array_constructor_hook( px );
#endif
}
~scoped_array() // never throws
{
#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
boost::sp_array_destructor_hook(ptr);
boost::sp_array_destructor_hook( px );
#endif
boost::checked_array_delete(ptr);
boost::checked_array_delete( px );
}
void reset(T * p = 0) // never throws
{
BOOST_ASSERT(p == 0 || p != ptr); // catch self-reset errors
BOOST_ASSERT( p == 0 || p != px ); // catch self-reset errors
this_type(p).swap(*this);
}
T & operator[](std::ptrdiff_t i) const // never throws
{
BOOST_ASSERT(ptr != 0);
BOOST_ASSERT(i >= 0);
return ptr[i];
BOOST_ASSERT( px != 0 );
BOOST_ASSERT( i >= 0 );
return px[i];
}
T * get() const // never throws
{
return ptr;
return px;
}
// implicit conversion to "bool"
#if defined(__SUNPRO_CC) && BOOST_WORKAROUND(__SUNPRO_CC, <= 0x530)
operator bool () const
{
return ptr != 0;
}
#elif defined(__MWERKS__) && BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3003))
typedef T * (this_type::*unspecified_bool_type)() const;
operator unspecified_bool_type() const // never throws
{
return ptr == 0? 0: &this_type::get;
}
#else
typedef T * this_type::*unspecified_bool_type;
operator unspecified_bool_type() const // never throws
{
return ptr == 0? 0: &this_type::ptr;
}
#endif
bool operator! () const // never throws
{
return ptr == 0;
}
// implicit conversion to "bool"
#include <boost/smart_ptr/detail/operator_bool.hpp>
void swap(scoped_array & b) // never throws
{
T * tmp = b.ptr;
b.ptr = ptr;
ptr = tmp;
T * tmp = b.px;
b.px = px;
px = tmp;
}
};
template<class T> inline void swap(scoped_array<T> & a, scoped_array<T> & b) // never throws