Re: Simulating Lua states in Lua with only 250 lines of code

["Soni L." <fakedme@...>]

On 23/06/15 08:20 PM, Philipp Janda wrote:
> Am 23.06.2015 um 21:02 schröbte Soni L.:
> > I only want to move
> >
> > struct Table *mt[LUA_NUMTAGS];  /* metatables for basic types */
>
> That seems like a bad idea: a value that is accessed via multiple 
> coroutines (or passed via resume/yield, or in a function that is 
> called from multiple coroutines) would get/loose its metatable 
> depending on where it is used.
Only for basic types! (that is only non-tables and non-fulluserdata)
> > and
> >
> > TValue l_registry;
> >
> > out of the global_State and into the lua_State.
>
> And then `io.open` wouldn't find its metatable when called from within 
> a coroutine, C libraries would be loaded and gc'd multiple times, etc. 
> ...
>
>
> Philipp
How's that any different from creating multiple global states?

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