~ruther/guix-local

b2a886f6c7c8424ce024020aaa8927be9811f40b — Ludovic Courtès 13 years ago 19c9664
ui: Move macro definitions before any use.

* guix/ui.scm (define-diagnostic, warning, report-error, leave): Move
  definitions before any use.  Reported by Nikita Karetnikov.
  (install-locale): Move back close to `initialize-guix'.
1 files changed, 45 insertions(+), 45 deletions(-)

M guix/ui.scm
M guix/ui.scm => guix/ui.scm +45 -45
@@ 64,6 64,51 @@
(define _ (cut gettext <> %gettext-domain))
(define N_ (cut ngettext <> <> <> %gettext-domain))

(define-syntax-rule (define-diagnostic name prefix)
  "Create a diagnostic macro (i.e., NAME), which will prepend PREFIX to all
messages."
  (define-syntax name
    (lambda (x)
      (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))
         (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 (... ...))
         (and (string? (syntax->datum #'singular))
              (string? (syntax->datum #'plural)))
         (with-syntax ((s      (augmented-format-string #'singular))
                       (p      (augmented-format-string #'plural))
                       (prefix (datum->syntax x prefix)))
           #'(format (guix-warning-port)
                     (ngettext s p n %gettext-domain)
                     (program-name) (program-name) prefix
                     args (... ...))))))))

(define-diagnostic warning "warning: ") ; emit a warning

(define-diagnostic report-error "error: ")
(define-syntax-rule (leave args ...)
  "Emit an error message and exit."
  (begin
    (report-error args ...)
    (exit 1)))

(define (install-locale)
  "Install the current locale settings."
  (catch 'system-error
    (lambda _
      (setlocale LC_ALL ""))
    (lambda args
      (warning (_ "failed to install locale: ~a~%")
               (strerror (system-error-errno args))))))

(define (initialize-guix)
  "Perform the usual initialization for stand-alone Guix commands."
  (install-locale)


@@ 344,51 389,6 @@ WIDTH columns."
(define guix-warning-port
  (make-parameter (current-warning-port)))

(define-syntax-rule (define-diagnostic name prefix)
  "Create a diagnostic macro (i.e., NAME), which will prepend PREFIX to all
messages."
  (define-syntax name
    (lambda (x)
      (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))
         (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 (... ...))
         (and (string? (syntax->datum #'singular))
              (string? (syntax->datum #'plural)))
         (with-syntax ((s      (augmented-format-string #'singular))
                       (p      (augmented-format-string #'plural))
                       (prefix (datum->syntax x prefix)))
           #'(format (guix-warning-port)
                     (ngettext s p n %gettext-domain)
                     (program-name) (program-name) prefix
                     args (... ...))))))))

(define-diagnostic warning "warning: ") ; emit a warning

(define-diagnostic report-error "error: ")
(define-syntax-rule (leave args ...)
  "Emit an error message and exit."
  (begin
    (report-error args ...)
    (exit 1)))

(define (install-locale)
  "Install the current locale settings."
  (catch 'system-error
    (lambda _
      (setlocale LC_ALL ""))
    (lambda args
      (warning (_ "failed to install locale: ~a~%")
               (strerror (system-error-errno args))))))

(define (guix-main arg0 . args)
  (initialize-guix)
  (let ()