Function: vc-call-backend

vc-call-backend is a byte-compiled function defined in vc-hooks.el.gz.

Signature

(vc-call-backend BACKEND FUNCTION-NAME &rest ARGS)

Documentation

Call for BACKEND the implementation of FUNCTION-NAME with the given ARGS.

Calls

    (apply #'vc-BACKEND-FUN ARGS)

if vc-BACKEND-FUN exists (after trying to find it in vc-BACKEND.el) and else calls

    (apply #'vc-default-FUN BACKEND ARGS)

See also the vc-call macro.

Source Code

;; Defined in /usr/src/emacs/lisp/vc/vc-hooks.el.gz
(defun vc-call-backend (backend function-name &rest args)
  "Call for BACKEND the implementation of FUNCTION-NAME with the given ARGS.
Calls

    (apply #\\='vc-BACKEND-FUN ARGS)

if vc-BACKEND-FUN exists (after trying to find it in vc-BACKEND.el)
and else calls

    (apply #\\='vc-default-FUN BACKEND ARGS)

See also the `vc-call' macro."
  (let ((f (assoc function-name (get backend 'vc-functions))))
    (if f (setq f (cdr f))
      (setq f (vc-find-backend-function backend function-name))
      (push (cons function-name f) (get backend 'vc-functions)))
    (cond
      ((null f)
       (signal 'vc-not-supported (list function-name backend)))
      ((consp f)	(apply (car f) (cdr f) args))
      (t		(apply f args)))))