 |
lua-l archive |
|
|
||
|
On 14 Mar 2013 12:15, "Ezequiel Garcia" <elezegarcia@gmail.com> wrote:
>
> Hi Gabriel,
>
> On Sun, Mar 10, 2013 at 9:08 PM, Gabriel Duarte <confusosk8@gmail.com> wrote:
> > Hello people,
> >
> > I'm writing a graphical toolkit (https://github.com/gabrield/stk) and now, I
> > would like to bind it to Lua. I looked for some automatic bind generator,
> > that could read my .h 's and expose the API to Lua. I have alreary looked at
> > http://lua-users.org/wiki/BindingCodeToLua but could not get much of it.
> > Tips?
> >
>
> When I started writing a directfb binding to Lua, I considered the several
> automatic bindings generators. AFAIC-Rembember, the problems with those
> are:
>
> 1. Not really automatic, you need some manual tweaking.
> 2. The C code produced looked like crap to my eyes.
> 3. The Lua binding was never Luaish enough, and I needed to tweak
> that also, which was why point 2 was important.
>
> Altogether these problems lead me to think that the best way (at least
> for DirectFB)
> was to write an ad-hoc script to parse the header and produce the binding.
> I choose Perl for historical reasons, but you could choose Lua itself,
> of course.
>
> The result is that you have to work a bit at first, but then you have
> full control
> of your binding.
>
> You can checkout my directfb-lua and see how nice the produced code is.
> The generator script -I admit it- is not too readable, probably because
> I'm not a Perl monk.
>
> Note that in order for this to work, you have an special requirement:
> your header
> *must* be easily parseable. Fortunately for me, DirectFB's header are.
>
> https://github.com/ezequielgarcia/directfb-lua/
>
> Hope this helps,
> --
> Ezequiel
>
You can use clang (Lua bindings) to parse any headers not just ones that perl is happy with. See example here
https://github.com/justincormack/luacparse-example
Justin