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Avoid turning on the global-minor-mode recursively

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* lisp/emacs-lisp/easy-mmode.el (define-globalized-minor-mode): Clear
the buffer-list inside MODE-enable-in-buffers to avoid enabling the
mode recursively.  (Bug#31793)
This commit is contained in:
John Shahid 2018-06-23 11:12:44 -04:00 committed by Noam Postavsky
parent 51bf4e4650
commit 35e0305dc2
1 changed files with 16 additions and 12 deletions
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28
lisp/emacs-lisp/easy-mmode.el
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@ -457,22 +457,26 @@ See `%s' for more information on %s."
;; The function that calls TURN-ON in each buffer.
(defun ,MODE-enable-in-buffers ()
(dolist (buf ,MODE-buffers)
(when (buffer-live-p buf)
(with-current-buffer buf
(unless ,MODE-set-explicitly
(unless (eq ,MODE-major-mode major-mode)
(if ,mode
(progn
(,mode -1)
(funcall #',turn-on))
(funcall #',turn-on))))
(setq ,MODE-major-mode major-mode)))))
(let ((buffers ,MODE-buffers))
;; Clear MODE-buffers to avoid scanning the same list of
;; buffers in recursive calls to MODE-enable-in-buffers.
;; Otherwise it could lead to infinite recursion.
(setq ,MODE-buffers nil)
(dolist (buf buffers)
(when (buffer-live-p buf)
(with-current-buffer buf
(unless ,MODE-set-explicitly
(unless (eq ,MODE-major-mode major-mode)
(if ,mode
(progn
(,mode -1)
(funcall #',turn-on))
(funcall #',turn-on))))
(setq ,MODE-major-mode major-mode))))))
(put ',MODE-enable-in-buffers 'definition-name ',global-mode)
(defun ,MODE-check-buffers ()
(,MODE-enable-in-buffers)
(setq ,MODE-buffers nil)
(remove-hook 'post-command-hook ',MODE-check-buffers))
(put ',MODE-check-buffers 'definition-name ',global-mode)