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ui: Define and honor '&error-location' and '&fix-hint' conditions. 

* guix/utils.scm (&error-location, &fix-hint): New condition types.
* guix/ui.scm (report-load-error): Handle them.
(call-with-error-handling): Honor '&error-location'.
This commit is contained in:
Ludovic Courtès 2017-11-08 11:16:25 +01:00
parent 37eed374d9
commit 23735137eb
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GPG Key ID: 090B11993D9AEBB5
2 changed files with 36 additions and 4 deletions
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23
guix/ui.scm
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@ -251,10 +251,20 @@ ARGS is the list of arguments received by the 'throw' handler."
(location->string loc) message)))
(('srfi-34 obj)
(if (message-condition? obj)
(report-error (G_ "~a~%")
(gettext (condition-message obj)
%gettext-domain))
(report-error (G_ "exception thrown: ~s~%") obj)))
(if (error-location? obj)
(format (current-error-port)
(G_ "~a: error: ~a~%")
(location->string (error-location obj))
(gettext (condition-message obj)
%gettext-domain))
(report-error (G_ "~a~%")
(gettext (condition-message obj)
%gettext-domain)))
(report-error (G_ "exception thrown: ~s~%") obj))
(when (fix-hint? obj)
(format (current-error-port) (G_ "hint: ~a~%")
(fill-paragraph (texi->plain-text (condition-fix-hint obj))
(terminal-columns) 8))))
((error args ...)
(report-error (G_ "failed to load '~a':~%") file)
(apply display-error frame (current-error-port) args))))
@ -517,6 +527,11 @@ interpreted."
directories:~{ ~a~}~%")
(file-search-error-file-name c)
(file-search-error-search-path c)))
((and (error-location? c) (message-condition? c))
(format (current-error-port)
(G_ "~a: error: ~a~%")
(location->string (error-location c))
(gettext (condition-message c) %gettext-domain)))
((message-condition? c)
;; Normally '&message' error conditions have an i18n'd message.
(leave (G_ "~a~%")

17
guix/utils.scm
View File

@ -28,6 +28,7 @@
#:use-module (srfi srfi-9)
#:use-module (srfi srfi-11)
#:use-module (srfi srfi-26)
#:use-module (srfi srfi-35)
#:use-module (srfi srfi-39)
#:use-module (ice-9 binary-ports)
#:autoload (rnrs io ports) (make-custom-binary-input-port)
@ -60,6 +61,14 @@
source-properties->location
location->source-properties
&error-location
error-location?
error-location
&fix-hint
fix-hint?
condition-fix-hint
nix-system->gnu-triplet
gnu-triplet->nix-system
%current-system
@ -750,6 +759,14 @@ a location object."
(column . ,(location-column loc))
(filename . ,(location-file loc))))
(define-condition-type &error-location &error
error-location?
(location error-location)) ;<location>
(define-condition-type &fix-hint &condition
fix-hint?
(hint condition-fix-hint)) ;string
;;; Local Variables:
;;; eval: (put 'call-with-progress-reporter 'scheme-indent-function 1)
;;; End: