[Caml-list] Efficient C++ interfacing?

["Brandon J. Van Every" <vanevery@indiegamedesign.com>]

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On the subject of C++, the archive is daunting and not terribly
informative.  If this has been asked before and good answers have been
given, I'm happy for pointers.  Otherwise, I figure it doesn't hurt to
ask the same questions at some repeating time interval.

If one wants to interface native OCaml code to native C++ code for
performance reasons, what is a good way to go about it?  Are there any
automated binders for this native-native linkage?  I've been looking at
SWIG but am unsure if it's native-native.  The OCaml SWIG author
suggested that the performance is more on par with calling a scripting
language, but maybe I misunderstood.  I'd be interested in optimizing
that, but only if it's a reasonable architectural approach.  I really
don't have a handle on what C++ <--> OCaml efforts are out there.
Anything other than SWIG?

My challenge problem is providing OCaml bindings for The Nebula Device
2.  http://nebuladevice.cubik.org.  I do not wish to use their script
server interface.  It looks like a relatively low performance binding -
adequate for scripts that aren't supposed to be fast, but really not
intended for native-native communication.  Also, script servers can only
interface nRoot objects, leaving a whole class of nNode objects that
must be accessed from C++.


Cheers,                     www.indiegamedesign.com
Brandon Van Every           Seattle, WA

"The pioneer is the one with the arrows in his back."
                          - anonymous entrepreneur


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