;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2016, 2017 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2016, 2017, 2020 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2016 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2017 Ricardo Wurmus <rekado@elephly.net>
;;;
(newline)
(loop (map 1+ indexes)))))
-(define ls-command-implementation
+(define-syntax define-command-runtime
+ (syntax-rules ()
+ "Define run-time support of a Bournish command. This macro ensures that
+the implementation is not subject to inlining, which would prevent compiled
+code from referring to it via '@@'."
+ ((_ (command . args) body ...)
+ (define-command-runtime command (lambda args body ...)))
+ ((_ command exp)
+ (begin
+ (define command exp)
+
+ ;; Prevent inlining of COMMAND.
+ (set! command command)))))
+
+(define-command-runtime ls-command-implementation
;; Run-time support procedure.
(case-lambda
(()
(call-with-input-file file lines+chars)))
(format #t "~a ~a~%" chars file)))
-(define (wc-command-implementation . files)
+(define-command-runtime (wc-command-implementation . files)
(for-each wc-print (filter file-exists?* files)))
-(define (wc-l-command-implementation . files)
+(define-command-runtime (wc-l-command-implementation . files)
(for-each wc-l-print (filter file-exists?* files)))
-(define (wc-c-command-implementation . files)
+(define-command-runtime (wc-c-command-implementation . files)
(for-each wc-c-print (filter file-exists?* files)))
(define (wc-command . args)