Re: Lua 5.2 and in-do-end

[Richard Hundt <richardhundt@...>]

David Burgess wrote:
> On 25/1/2010 12:28 PM, Mark Hamburg wrote:
>
> >     function pushenv( newenv )
> >         local oldenv = getfenv( 1 ) -- However one gains access to it...
>
> POUNCE.  Methinks that the indoend thing would aided by a currentenv() 
> function...

here's a hackish version:

function currentenv()
   local getlocal = debug.getlocal
   local e = nil
   local x = 0
   while true do
      x = x + 1
      local n,v = getlocal(2, x)
      if not n then break end
      if n == "(environment)" then
         e = v
      end
   end
   return e
end

-Rich