Re: Line/column numbers in user supplied exception handlers

[Neil Jerram]

>>>>> "Dale" == Dale P Smith <address@hidden> writes:

    Dale> Neil Jerram wrote:
    >>  I'd like to experiment with this; what I have in mind is,
    >> before `scm_ithrow (key, arg_list, 1);' in scm_error:
    >> 
    >> scm_c_run_hook (scm_error_hook, scm_cons (key, arg_list));
    >> 
    >> Then, just as you say, one of the hook procedures can exit
    >> non-locally if it wants to; but if none of them do, the
    >> scm_ithrow will happen.

    Dale> I was going to suggest this also.

    Dale> What if the hook is empty?  Should there be a default
    Dale> procedure that runs, or should the startup code add the
    Dale> default to the hook?

Well, in my suggestion, the default is the existing scm_ithrow, so
it's fine for the hook to be empty.  But I think Marius has a more
wide-ranging change in mind ...

        Neil