OpenEuphoria

Re: Lin32Lib?

• Posted by jbrown105 at HotPOP.com Apr 23, 2001
• 471 views

I'm not very good at C++ programming, so I'm not sure if I can do that,
although I'll probally try. Anyone else will to give it a go as well?

On Mon, Apr 23, 2001 at 08:39:52AM -0700, Matthew Lewis wrote:
> 
> 
> 
> 
> > -----Original Message-----
> > From: Irv Mullins [mailto:irvm at ellijay.com]
>  
> > Most of the good packages, like QT, are written in C++, which 
> > makes interfacing
> > with them very difficult.  
> 
> Actually, I don't think that it would be as difficult as you might think
> (not that it'll be simple).  Working with COM has given me a new insight on
> interfacing with C++, since that's effectively what happens with COM.  Also,
> in working with COM, I think I might have solved some other problems that
> might get in your way.
> 
> Here's what I think you'll need to do:
> - Get a hold of the constructor for an object.  It should return a pointer
> to the object.
> - Wrap the member functions just like you would with C.
> - Pass the pointer to the object as the first argument in any function call
> (C++ does this implicitly).
> 
> I suspect that the functions will have to be loaded by ordinal (C++ name
> decoration isn't much to look at), so you'll probably need to get your hands
> on a lib file or some other kind of documentation on the lib.  This could be
> the most difficult part, except that I guess since this is linux, you ought
> to be able to get a look at the full source, right?
> 
> And then you'll probably need to load the .so's manually (since
> open_dll/define_c_func don't seem to work by ordinal).  So you'll probably
> have to call them by pointer (no problem, since fptr.e in EuCOM should work
> in linux :).
> 
> Matt Lewis
> 
> 
> 

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