Re: setfenv/getfenv
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- Subject: Re: setfenv/getfenv
- From: Leo Razoumov <slonik.az@...>
- Date: 2010年1月12日 18:48:58 -0500
On 2010年01月12日, Tony Finch <dot@dotat.at> wrote:
> On 2010年1月12日, Leo Razoumov wrote:
> >
> > Correct me if I am wrong, in proxy tables for a key "foo"
> > __index/__newindex are relevant only if the table does not already
> > have key "foo". A chunk can do the following thing to mess everything
> > up for all future invocations of the chunk within other "compartments"
>
>
> If you don't want a chunk to mess with metatables, don't give it access to
> the metatable functions.
>
> Tony.
Metatables/metamethods are such an important part of Lua that making
getmetatable unreachable for a chunk or plugin will severe handicap
it.
--Leo--
- References:
- setfenv/getfenv, Roberto Ierusalimschy
- Re: setfenv/getfenv, Francesco Abbate
- Re: setfenv/getfenv, Nicolas
- Re: setfenv/getfenv, Roberto Ierusalimschy
- Re: setfenv/getfenv, Leo Razoumov
- Re: setfenv/getfenv, Roberto Ierusalimschy
- Re: setfenv/getfenv, Leo Razoumov
- Re: setfenv/getfenv, Roberto Ierusalimschy
- Re: setfenv/getfenv, Leo Razoumov
- Re: setfenv/getfenv, Tony Finch