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- Subject: Re: Let's not break existing scripts.
- From: Peter Cawley <lua@...>
- Date: Thu, 10 Nov 2011 18:00:25 +0000
On Thu, Nov 10, 2011 at 5:58 PM, Petite Abeille
<petite.abeille@gmail.com> wrote:
>
> On Nov 10, 2011, at 6:20 PM, Peter Cawley wrote:
>
>> It is also impossible to write setfenv in 5.2 in such a way as to work
>> with bytecode chunks whose debug information has been stripped.
>
> Why? _ENV is always the first upvalue, no? No need to look it up by name, no? Its position will suffice, no?
Only for top-level chunks. Functions within them can have _ENV at any
position, or not at all.
