[racket] Bootstrapping an FFI

From: Ian Tegebo (ian.tegebo at gmail.com)
Date: Sat Aug 11 10:01:06 EDT 2012

Wow, looks great!

I'm still looking at FFIs for both Graphviz and a more recent version
of OpenGL, so I'd appreciate anyone's tips/code for translating C.

On Sat, Aug 11, 2012 at 5:29 AM, Peter Braun <peter-braun at gmx.net> wrote:
> Hi Ian,
> unfortunately I can't help you with automatic code generation but i've
> written a binding for libSDL (and libSDL_image) manually. It's not complete
> but covers quite a usable part of SDL (video, events, joystick and some
> more). If it helps you in any way, feel free to use / fork the code. It's on
> github:
> https://github.com/pb82/sdl4racket
> On 11.08.2012 04:43, Ian Tegebo wrote:
>> I'm playing around with an FFI for SDL.  Rather than slog through all
>> the headers by hand, I went looking for some code that may do a bit of
>> the parsing and translation.  On PLaneT, I found dherman's c.plt:
>> http://planet.racket-lang.org/display.ss?package=c.plt&owner=dherman
>> I got stuck when it appeared that I'd need to provide it with a list
>> of symbols that were typedef-ed:
>> http://planet.racket-lang.org/package-source/dherman/c.plt/4/0/planet-docs/c/parsing.html#(part._include)
>> I bit of preprocessing seems to make this still quite a bit of work:
>> gcc  -D "__extension__=" -D "__attribute__(ARGS)=" -E
>> /usr/include/SDL/SDL.h  | sed '/^\#/d' | indent -st -i2 |grep -vE
>> '^[[:space:]]*$' > sdl.h
>> Has anyone else gone down this road before?  Also, Besides Eli's
>> paper, any general advice for Racket FFIs?
>> Thanks,
> ____________________
>  Racket Users list:
>  http://lists.racket-lang.org/users

Ian Tegebo

Posted on the users mailing list.