Re: [Dev-luatex] register a callback on macro expansion?

Hi Jjgod, Jjgod Jiang wrote:

Hi,

I'm wondering if I can register a Lua function as callback on the expansion of a specific macro? I'm expecting something like this:

\def\hello#1{#1}

callback.register("macro.hello",lua_func_hello)

when using \hello{abc}, the lua_func_hello will get called and have access to the arguments of \hello (abc).

In this way, we can implement loop structure in lua (which I think is a cleaner way than tail recursion in TeX).

Not right now, but soon. (perhaps using a slighly different interface, because your example makes the macro definition body pointless, and that can be confusing). Cheers, Taco