Re: event handler for table initialization

[Romulo <romuloab@...>]

On Tue, Sep 21, 2010 at 4:15 PM, Nilson <nilson.brazil@gmail.com> wrote:
> function enum{arg}   -- <--- NEW: language change: using { } instead
> of ( ) meaning a table event handler
>
>  local evt = table.getevent -- NEW function to get the current event
>
>  if evt ==nil then
>        -- normal processing (usually an after processing)
>     return arg
>
>  elseif evt.type = 'begin' then -- begin of table creation
>    old_mt = getmetatable(_G);
>    setmetatable(_G,enum_mt) -- installs unquoted string
>
>    table.listen('e'); -- NEW: informs what to listen. here, listens
> to end events (default behaviour)
>
>  elseif evt.type = 'end' then -- end of table creation
>    setmetatable(old_mt) -- resume the old one

Perhaps you should look at the token filter patch.

--rb