Hi,
Jan Synacek <jsyna...@redhat.com> skribis:
> On Wed, Mar 11, 2020 at 7:07 PM Jan Synacek <jsyna...@redhat.com> wrote:
[...]
>> $ guile -s test.scm
>> Backtrace:
>> In ice-9/boot-9.scm:
>> 1736:10 8 (with-exception-handler _ _ #:unwind? _ # _)
>> In unknown file:
>> 7 (apply-smob/0 #<thunk 2237960>)
>> In ice-9/boot-9.scm:
>> 718:2 6 (call-with-prompt _ _ #<procedure default-prompt-handle…>)
>> In ice-9/eval.scm:
>> 619:8 5 (_ #(#(#<directory (guile-user) 225ef00>)))
>> In ice-9/boot-9.scm:
>> 2806:4 4 (save-module-excursion _)
>> 4351:12 3 (_)
>> In ice-9/ports.scm:
>> 550:4 2 (call-with-output-string _)
>> In ice-9/boot-9.scm:
>> 260:13 1 (for-each #<procedure 290ed20 at ice-9/regex.scm:143:1…> …)
>> In ice-9/regex.scm:
>> 64:2 0 (_ _)
>>
>
> I forgot one line in the backtrace output:
>
> ice-9/regex.scm:64:2: In procedure vector-ref: Wrong type argument in
> position 1 (expecting vector): #f
>
> Which sort of gives a hint, but not really...
Line 62, column 2 of ice-9/regexp.scm is:
(define (match:string match)
(vector-ref match 0))
^
So it suggests there’s no match, leading to the crash.
(Which is not to say that the backtrace can’t be improved…)
Ludo’.
