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bug#46241: Guile Macros did not print the error-line-number ?
From: |
Ludovic Courtès |
Subject: |
bug#46241: Guile Macros did not print the error-line-number ? |
Date: |
Fri, 19 Feb 2021 16:14:07 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) |
Hi Joshua,
jbranso--- via Bug reports for GNU Guix <bug-guix@gnu.org> skribis:
> Recently on irc, I posted an example of an incorrectly used
> define-record-type* NOT displaying an error line number.
>
> mdevos mentioned that this could potentially be fixed in (guix
> records), but it may also be a guile compile bug as well.
>
> First here is a (guix records) example:
>
> #+BEGIN_SRC scheme
> (use-modules (guix records))
>
> (define-record-type* <sway-bindsym>
> sway-bindsym make-sway-bindsym
> sway-bindsym?
> (key-combo sway-bindsym-key-combo
> (default "")))
>
> (display sway-bindsym) ;; compile error at unknown location
> ;; (display (sway-bindsym)) this is one "correct" way to call this code
> #+END_SRC
Source location info is missing because currently (as of 3.0.5), Guile
keeps location info in the form of “source properties” only for lists.
The ‘sway-bindsym’ symbol above has no associated location info.
This may change in the near future as Andy has been rewriting ‘read’
(the Scheme “parser”) in Scheme, among other things.
Ludo’.