Function: imenu--flatten-index-alist

imenu--flatten-index-alist is a byte-compiled function defined in imenu.el.gz.

Signature

(imenu--flatten-index-alist INDEX-ALIST &optional CONCAT-NAMES PREFIX)

Source Code

;; Defined in /usr/src/emacs/lisp/imenu.el.gz
(defun imenu--flatten-index-alist (index-alist &optional concat-names prefix)
  ;; Takes a nested INDEX-ALIST and returns a flat index alist.
  ;; If optional CONCAT-NAMES is non-nil, then a nested index has its
  ;; name and a space concatenated to the names of the children.
  ;; Third argument PREFIX is for internal use only.
  (mapcan
   (lambda (item)
     (let* ((name (car item))
	    (pos (cdr item))
	    (new-prefix (and concat-names
			     (if prefix
				 (concat prefix imenu-level-separator name)
			       name))))
       (cond
	((not (imenu--subalist-p item))
	 (list (cons (pcase imenu-flatten
                       ('annotation
                        (if prefix
                            (propertize name
                                        'imenu-section (format " (%s)" prefix)
                                        'imenu-choice item)
                          (propertize new-prefix 'imenu-choice item)))
                       ('group (propertize name
                                           'imenu-section (or prefix "*")
                                           'imenu-choice item))
                       (_ new-prefix))
		     pos)))
	(t
	 (imenu--flatten-index-alist pos concat-names new-prefix)))))
   index-alist))