which-function: Do not display outdated imenu information

* lisp/progmodes/which-func.el (which-function): Check
  `add-log-current-defun' before imenu. Update `imenu--index-alist' if
  needed. Bug#33695
This commit is contained in:
Alex Branham 2018-12-11 08:29:50 -06:00
parent af04738459
commit 0613e7a38e
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@ -272,16 +272,21 @@ It calls them sequentially, and if any returns non-nil,
(defun which-function ()
"Return current function name based on point.
Uses `which-func-functions', `imenu--index-alist'
or `add-log-current-defun'.
Uses `which-func-functions', `add-log-current-defun'.
or `imenu--index-alist'
If no function name is found, return nil."
(let ((name
;; Try the `which-func-functions' functions first.
(run-hook-with-args-until-success 'which-func-functions)))
;; Try using add-log support.
(when (null name)
(setq name (add-log-current-defun)))
;; If Imenu is loaded, try to make an index alist with it.
(when (and (null name)
(boundp 'imenu--index-alist) (null imenu--index-alist)
(boundp 'imenu--index-alist)
(or (null imenu--index-alist)
;; Update if outdated
(/= (buffer-chars-modified-tick) imenu-menubar-modified-tick))
(null which-function-imenu-failed))
(ignore-errors (imenu--make-index-alist t))
(unless imenu--index-alist
@ -323,10 +328,6 @@ If no function name is found, return nil."
(funcall
which-func-imenu-joiner-function
(reverse (cons (car pair) namestack))))))))))))
;; Try using add-log support.
(when (null name)
(setq name (add-log-current-defun)))
;; Filter the name if requested.
(when name
(if which-func-cleanup-function