Re: Question about code generation

[Helmut Eller <eller.helmut@gmail.com>]

On Fri, May 10 2024, Gerd Möllmann wrote:

>> But I guess I'm misunderstanding what you are asking about.
>
> I was thinking of (making my life easier and) generating the fix_
> functions in igc.c, as an example, from knowledge that a C parser has
> which members are in a given struct, what's their type, Lisp_Object,
> pointer to something interesting, ...
>
> Together with meta infos passed to a code generator this could be used
> for all sorts of things, I guess.

Would be nice to write things like:

struct foo {
   void* bar [[emacs::igc_fix_obj]];
}

and then run a gcc or clang plugin over it and generate the needed code.

Can libgccjit be used to parse C code and could we write the plugin in
Emacs Lisp?  That would be fun.