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

[Roberto Ierusalimschy <roberto@...>]

> Probably something like 5.1's setfenv()/getfenv(), but with bytecode
> instead?

In 5.1, the environment has a fixed location (a field in the closure
structure). In 5.2/5.3, the environment is the current _ENV, which
can be any upvalue or local variable.

-- Roberto