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bug#56075: [PATCH 0/2] Report location of invalid configuration field va

From: Ludovic Courtès
Subject: bug#56075: [PATCH 0/2] Report location of invalid configuration field values
Date: Fri, 24 Jun 2022 23:43:50 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.1 (gnu/linux)


Maxim Cournoyer <> skribis:

> Very nice!  I had been meaning to look at what define-configure could be
> improved w.r.t. the recently added sanitizers; I felt perhaps
> `define-configure' would perhaps loose its relevance, but I'm happy to
> see you saw value in upgrading it!

Yeah, the mechanism that ‘define-configuration’ had had become

> The first part LGTM, although I so rarely dabble with syntax-case that
> it looks a bit alien to my eyes now.

Well, ‘define-configuration’ is a bit hairy.  :-)

>> +++ b/tests/services/configuration.scm
>> @@ -19,6 +19,7 @@
> You forgot to add your copyright notice line.


>> +(test-equal "wrong type for a field"
>> +  '("configuration.scm" 56 11)                    ;error location
>> +  (guard (c ((configuration-error? c)
>> +             (let ((loc (error-location c)))
>> +               (list (basename (location-file loc))
>> +                     (location-line loc)
>> +                     (location-column loc)))))
>> +    (port-configuration
>> +     ;; This is line 55; the test relies on line/column numbers!
>> +     (port "This is not a number!"))))
>> +
> It seems fragile to rely on the line/column number, but if we truly need
> to test that, I don't see a better options.

Yeah; there is another option, which is to read code from a string port
and to simulate its location, but it’s more lines of code for little

Pushed, thanks!

  6505f727e1 services: configuration: Remove 'validate-configuration'.
  fb7e6ccba7 services: configuration: Report the location of field type errors.


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