Function: which-func-ff-hook

which-func-ff-hook is a byte-compiled function defined in which-func.el.gz.

Signature

(which-func-ff-hook)

Documentation

after-change-major-mode-hook for Which Function mode.

It creates the Imenu index for the buffer, if necessary.

Source Code

;; Defined in /usr/src/emacs/lisp/progmodes/which-func.el.gz
(defun which-func-ff-hook ()
  "`after-change-major-mode-hook' for Which Function mode.
It creates the Imenu index for the buffer, if necessary."
  (which-func-try-to-enable)

  (condition-case err
      (if (and which-func-mode
               (not (derived-mode-p which-func-non-auto-modes))
	       (or (null which-func-maxout)
		   (< buffer-saved-size which-func-maxout)
		   (= which-func-maxout 0)))
	  (setq imenu--index-alist
                (save-excursion (funcall imenu-create-index-function))))
    (imenu-unavailable
     (which-func--disable))
    (error
     (message "which-func-ff-hook error: %S" err)
     (which-func--disable))))