Re: running LUA code step by step

[Sean Middleditch <elanthis@...>]

On Sat, 2002-03-16 at 07:14, Roberto Ierusalimschy wrote:
> > 1) Fire up new fibers (and call lua_newthread) for new objects which
> > need their own script execution/stack/lua_state
> > 2) Keep a list of objects that are ready to execute. Loop over all
> > objects and switch to their fiber.
> > 3) In each object, figure out when they want to yield, either by a
> > line/call hook, or by a call into a registered C function that indicates
> > they need to wait (like a call that blocks on something out of its
> > control).
> > 4) When an object is ready to yield, switch back to the primary fiber.
> > 5) Depending on your needs, have some plan to add objects back to the
> > ready list. If you want all objects to execute code on every cycle, then
> > maybe you don't need a ready list, but I use it to mark scripts that are
> > ready to continue after having some condition met that they are blocked
> > on.
> 
> You should be able to do exactly the same thing with coroutines in
> Luaw4. (The only drawback is that currently you cannot yield inside a
> linehook; we will correct that. But you can yield inside a registered C
> function that indicates they need to wait.)

OK, where can I find Lua Work 4?  All I can find on the website is 4.0,
and my Debian packages are Alpha 4 (I can't find anything regarding
yield in their headers).

What am I missing?

> 
> -- Roberto