[PPL-devel] Re: [Yap-users] Throwing Prolog exceptions from C code

[Vitor Santos Costa]

> 
> I don't know if I am doing something stupid but,
> in order to throw a Prolog exception with term t
> from C code, I create the Term `throw(t)' and then
> I pass it to YapCallProlog().
> Everything fails horribly and I have no idea why.
> I append a stack trace hoping it may be enlightening
> for someone.

That looks like a nasty bug :-(.

I know it's not in the Manual, but have you tried using

 YapThrow(t)

from the C-code?

Cheers,

Vitor