Re: lua hacking wondering

[Jeffrey Drake <wackysteak@...>]

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that is the backup plan, but I also want to be able to figure out why 
it isn't working.

I have figured the problem a little better:

A modification:
    const TObject *tm = luaT_gettmbyobj(L, t, TM_EXISTINGINDEX);

    //fasttm(L, h->metatable, TM_EXISTINGINDEX);
    printf("i1\n");
    if (!ttisnil(tm))
        printf("h2\n");

        if (ttisfunction(tm))
        {
            printf("h3\n");
            callTMres(L, tm, t, key);
            return L->top;
        }
   // }

    /* end HACK */

1 is always printed; 2,  3 are not. So the problem I figure has to be 
that it is nil. Which simply should not be from my current 
understanding.


On Jun 17, 2004, at 01:48, diego@tecgraf.puc-rio.br wrote:

> Hi,
>
> > I am trying to install an '__existingindex' metatable method. But not
> > quite working.
>
> Can't you get away with using a proxy table? That way you always get
> the __index or __index in the proxy table and can refer to the real
> table to check if the key is already there.
>
> []s,
> Diego.
"Reportedly, he remarked to one of his Christian missionary friends: 
'What you teach us to do is admirable, but what you teach us to believe 
is foolish'."
- - Referring to King Mongkut of Siam
http://en.wikipedia.org/wiki/Mongkut
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