Re: Debugging coroutines question

[Fabio Mascarenhas <mascarenhas@...>]

On 9/24/05, Terisquas Brothers <terisquas@yahoo.co.uk> wrote:
>
> I'm trying to write a debugger for lua using tcp/ip ,
> and it seems that after some work it starts running :)

May I plug RemDebug (http://www.keplerproject.org/remdebug)? It looks
just like you are doing.

> I have a problem though, I have most of my functions
> in coroutines, plus a dispatcher function which is
> called each game frame. The problem is that if I put a
> breakpoint on a coroutine (the lua program is executed
> under LUA_HOOKLINE and LUA_HOOKCALL so that every line
> should come to my debug hook) it will never reach it,
> and I'm absolutely sure the code it's being executed.
>
> It seems like the LUA_HOOKLINE doesn't "break" once
> coroutine.resume is called. I've been looking at my
> code but I can't find any reason which could produce
> this behaviour. Is it a known issue/limitation or it's
> a fault of mine?

This is because hooks are specific to a lua_State, and a coroutine has
its own lua_State. You have to set the hook in the coroutine you are
resuming, too.

> I'm using lua 5.0.2.
>
> TIA
> Kak
>

--
Fabio Mascarenhas