ryan77627/guix
1
0
Fork 0
mirror of https://git.in.rschanz.org/ryan77627/guix.git synced 2024-12-24 21:38:07 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

ui: Add an 'unbound-variable' exception printer.

Browse source 
* guix/ui.scm (print-unbound-variable-error): New variable.
Use it as the 'unbound-variable' printer.
This commit is contained in:
Ludovic Courtès 2017-11-09 23:31:18 +01:00
parent a2985bb101
commit dc856223f5
No known key found for this signature in database
GPG key ID: 090B11993D9AEBB5
1 changed files with 12 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
guix/ui.scm
View file

@ -149,6 +149,18 @@ (define-syntax-rule (leave args ...)
(report-error args ...)
(exit 1)))
(define (print-unbound-variable-error port key args default-printer)
;; Print unbound variable errors more nicely, and in the right language.
(match args
((proc message (variable) _ ...)
;; We can always omit PROC because when it's useful (i.e., different from
;; "module-lookup"), it gets displayed before.
(format port (G_ "~a: unbound variable") variable))
(_
(default-printer))))
(set-exception-printer! 'unbound-variable print-unbound-variable-error)
(define (make-user-module modules)
"Return a new user module with the additional MODULES loaded."
;; Module in which the machine description file is loaded.