Re: Why isn't Lua 5.2's debug hook function called with lua_callk()?

[Roberto Ierusalimschy <roberto@...>]

> I was using Lua 5.1 + LuaCoco to yield from a debug hook function
> and that was working fine. I was hoping that Lua 5.2, which
> incorporates some of LuaCoco's functionality, would allow this
> natively but looking at the code in ldblib.c:271 (in hookf) shows
> lua_call() being used instead of lua_callk(). Therefore I am getting
> the 'attemp to yield across C-call boundary' errors. Is there a
> reason for not using lua_callk()?

Yes. In Lua 5.2 you still cannot yield across some boundaries, and that
include hooks.

-- Roberto