Re: AW: How to get Lua functions address?

[Eero Pajarre <epajarre@...>]

Michael Flad wrote:
> Hi,
>
> the most simple way is
>
> int KeyHandlerRef;
>
> int SetKeyFunc( lua_State* l )
> {
>   KeyHandlerRef = lua_ref( l, 1 );
> }
>
> void CallKeyHandler( lua_State* l, int key )
> {
>   lua_getref( l, KeyHandlerRef ); //push func on stack
>   lua_pushnumber( l, key ); // push key param
>   lua_call( l, 1, 0 ); // call
>   lua_pop( l, 1 ); // pop func from stack
> }


I think lua_call does pop the func from the stack automatically,
so no lua_pop is needed. An other thing is that I would recommend
using lua_pcall instead of lua_call.

(Otherwise I agree on using references for the task)


		Eero