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

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

On 24/06/15 02:11 PM, Roberto Ierusalimschy wrote:
> > As I replied on IRC; I think that lexically scoped metatables for the
> > base types are a much better idea.
> > I even coded up a proof of concept:
> > https://gist.github.com/daurnimator/dedd793e6f9b1f8d6b0c
> > (obviously if such a feature made it into PUC-lua, the `debug` calls
> > would be unnessecary)
> Do you have an idea about how to implement it efficiently and correctly?
>
> -- Roberto
Probably something like 5.1's setfenv()/getfenv(), but with bytecode 
instead? 
https://github.com/SoniEx2/sexlua/wiki/Changes-from-Rio-Lua#op_pushpopfenv-51-like-functionchunk-envs-but-more-powerful

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