* lisp/electric.el (electric-indent-post-self-insert-function): Don't use

`pos' after modifying the buffer.

Fixes: debbugs:17449
This commit is contained in:
Philipp Rumpf 2014-05-09 14:03:21 -04:00 committed by Stefan Monnier
parent a3eda656ee
commit 3ebdceafc1
2 changed files with 28 additions and 22 deletions

View file

@ -1,3 +1,8 @@
2014-05-09 Philipp Rumpf <prumpf@gmail.com> (tiny change)
* electric.el (electric-indent-post-self-insert-function): Don't use
`pos' after modifying the buffer (bug#17449).
2014-05-09 Stefan Monnier <monnier@iro.umontreal.ca>
* subr.el (function-put): Add function.

View file

@ -259,29 +259,30 @@ or comment."
(unless (eq act 'do-indent) (nth 8 (syntax-ppss))))))))
;; For newline, we want to reindent both lines and basically behave like
;; reindent-then-newline-and-indent (whose code we hence copied).
(when (<= pos (line-beginning-position))
(let ((before (copy-marker (1- pos) t)))
(save-excursion
(unless (or (memq indent-line-function
electric-indent-functions-without-reindent)
electric-indent-inhibit)
;; Don't reindent the previous line if the indentation function
;; is not a real one.
(let ((at-newline (<= pos (line-beginning-position))))
(when at-newline
(let ((before (copy-marker (1- pos) t)))
(save-excursion
(unless (or (memq indent-line-function
electric-indent-functions-without-reindent)
electric-indent-inhibit)
;; Don't reindent the previous line if the indentation function
;; is not a real one.
(goto-char before)
(indent-according-to-mode))
;; We are at EOL before the call to indent-according-to-mode, and
;; after it we usually are as well, but not always. We tried to
;; address it with `save-excursion' but that uses a normal marker
;; whereas we need `move after insertion', so we do the
;; save/restore by hand.
(goto-char before)
(indent-according-to-mode))
;; We are at EOL before the call to indent-according-to-mode, and
;; after it we usually are as well, but not always. We tried to
;; address it with `save-excursion' but that uses a normal marker
;; whereas we need `move after insertion', so we do the
;; save/restore by hand.
(goto-char before)
(when (eolp)
;; Remove the trailing whitespace after indentation because
;; indentation may (re)introduce the whitespace.
(delete-horizontal-space t)))))
(unless (and electric-indent-inhibit
(> pos (line-beginning-position)))
(indent-according-to-mode)))))
(when (eolp)
;; Remove the trailing whitespace after indentation because
;; indentation may (re)introduce the whitespace.
(delete-horizontal-space t)))))
(unless (and electric-indent-inhibit
(not at-newline))
(indent-according-to-mode))))))
(put 'electric-indent-post-self-insert-function 'priority 60)