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ui: define-diagnostic: Don't mark _' and N_' as literals.

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* guix/ui.scm (define-diagnostic): Use `free-identifier=?' to compare
  the user's input with `_' and `N-".  This should fix builds with Guile 2.1.
  Reported by Cojocaru Alexandru <xojoc@gmx.com>.
This commit is contained in:
Ludovic Courtès 2013-05-30 00:49:34 +02:00
parent 5282181d51
commit 89d02b98f9
1 changed files with 7 additions and 5 deletions
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12
guix/ui.scm
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@ -77,17 +77,19 @@ (define-syntax name
(define (augmented-format-string fmt)
(string-append "~:[~*~;guix ~a: ~]~a" (syntax->datum fmt)))
(syntax-case x (N_ _) ; these are literals, yeah...
((name (_ fmt) args (... ...))
(string? (syntax->datum #'fmt))
(syntax-case x ()
((name (underscore fmt) args (... ...))
(and (string? (syntax->datum #'fmt))
(free-identifier=? #'underscore #'_))
(with-syntax ((fmt* (augmented-format-string #'fmt))
(prefix (datum->syntax x prefix)))
#'(format (guix-warning-port) (gettext fmt*)
(program-name) (program-name) prefix
args (... ...))))
((name (N_ singular plural n) args (... ...))
((name (N-underscore singular plural n) args (... ...))
(and (string? (syntax->datum #'singular))
(string? (syntax->datum #'plural)))
(string? (syntax->datum #'plural))
(free-identifier=? #'N-underscore #'N_))
(with-syntax ((s (augmented-format-string #'singular))
(p (augmented-format-string #'plural))
(prefix (datum->syntax x prefix)))