How to get rid of the new-initializer in a new-expression
Hello everyone!
I have written a memory tracker using macros, and everything works fine
unless the new-expression contains a new-initializer. Please take a look at
the following example:
template <class T> T* TrackNew( T* ptr ) { return ptr; }
#define NEW( T ) TrackNew<T>( new T )
struct X
{
X() {}
X( int ) {}
};
int main()
{
// Works fine.
X* p1 = NEW( X );
// Fails to compile.
X* p2 = NEW( X( 2 ) );
return 0;
}
The second use of the NEW macro expands to:
X* p2 = TrackNew<X( 2 )>( new X( 2 ) );
Obviously, this should be:
X* p2 = TrackNew<X>( new X( 2 ) );
Can anyone please tell me a portable way of getting rid of the
new-initializer in the new-expression? Like in the following pseudo code:
#define NEW( T ) TrackNew<REMOVE_NEW_INITIALIZER( T )>( new T )
--
Matthias Hofmann
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