Re: Problem with QTAda 3.0 and QTCore4.dll on Windows

[Vadim Godunko <vgodunko@gmail.com>]

On Jan 8, 2:02 am, "Dmitry A. Kazakov" <mail...@dmitry-kazakov.de>
wrote:
> On Thu, 7 Jan 2010 14:11:37 -0800 (PST), Vadim Godunko wrote:
> > On Jan 7, 1:59 pm, "Dmitry A. Kazakov" <mail...@dmitry-kazakov.de>
> > wrote:
> >> On Thu, 07 Jan 2010 08:19:17 +0100, Per Sandberg wrote:
> >>> The core reason is that the Binary Interface specific the name-mangling
> >>> in C++ is different between gcc and MSVC, on top of that the
> >>> documentation in the MSVC case is "sparse".
>
> >> That should not be a problem in case of C. One should only make a choice
> >> between stdcall and cdecl convention when you make a call from Ada. I guess
> >> Qt has plain C interface? Then what happens inside of it is no matter.
>
> > Qt is pure C++ library, there is no C interface provided by it.
>
> Well, the question is whether the interface uses virtual functions and
> classes you have to derive from. That would make a real difference.
>
Both are expected to be used actively. The most complicated area of
QtAda design was providing a useful (for the end programmer) way to
interfacing with virtual functions and handling association between
the same object at Ada and C++ side.