Re: Ah, those uninitiated people...

[Joshua Jensen <jjensen@...>]

----- Original Message -----
From: Jerome Vuarand
Date: 1/13/2010 12:10 PM
> 2010/1/13 steve donovan<steve.j.donovan@gmail.com>:
>    
> > Today I find it annoying that there's no 'goto' ;)
> >
> > Yes, I know, evil of evils, but useful when you have to be _fast_.
> > (Hit this one trying to do lookahead with the token filter patch)
> >      
> The VM would have to be more complex to support goto, and thus slower.
> I wonder if you could gain any speed at all compared to using an
> algorithm suited to the current VM (with tail calls, coroutines,
> etc.).
>    
Metalua has a goto, I believe.  I never paid any attention to how it was 
implemented.  I always thought the Lua VM had a goto, because Metalua 
writes out Lua VM instructions.

Josh