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(set-auto-mode-0): New function.

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(set-auto-mode): Use it to handle aliased modes and to be consistent between C-x C-f and C-x C-w.
This commit is contained in:
Daniel Pfeiffer 2004-10-28 06:09:55 +00:00
parent 7d9d5480e3
commit 521cf174c3
2 changed files with 40 additions and 24 deletions
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6
lisp/ChangeLog
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@ -1,3 +1,9 @@
2004-10-28 Daniel Pfeiffer <occitan@esperanto.org>
* files.el (set-auto-mode-0): New function.
(set-auto-mode): Use it to handle aliased modes and to
be consistent between C-x C-f and C-x C-w.
2004-10-28 Kenichi Handa <handa@m17n.org>
* international/utf-8.el (utf-translate-cjk-charsets): Add

58
lisp/files.el
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@ -1857,9 +1857,8 @@ Local Variables section of the file; for that, use `hack-local-variables'.
If `enable-local-variables' is nil, this function does not check for a
-*- mode tag.
If the optional argument KEEP-MODE-IF-SAME is non-nil,
then we do not set anything but the major mode,
and we don't even do that unless it would come from the file name."
If the optional argument KEEP-MODE-IF-SAME is non-nil, then we
only set the major mode, if that would change it."
;; Look for -*-MODENAME-*- or -*- ... mode: MODENAME; ... -*-
(let (end done mode modes xml)
;; Find a -*- mode tag
@ -1891,12 +1890,13 @@ and we don't even do that unless it would come from the file name."
modes))))
;; If we found modes to use, invoke them now, outside the save-excursion.
(if modes
(dolist (mode (nreverse modes))
(if (not (functionp mode))
(message "Ignoring unknown mode `%s'" mode)
(setq done t)
(unless (if keep-mode-if-same (eq mode major-mode))
(funcall mode))))
(catch 'nop
(dolist (mode (nreverse modes))
(if (not (functionp mode))
(message "Ignoring unknown mode `%s'" mode)
(setq done t)
(or (set-auto-mode-0 mode)
(throw 'nop)))))
;; If we didn't, look for an interpreter specified in the first line.
;; As a special case, allow for things like "#!/bin/env perl", which
;; finds the interpreter anywhere in $PATH.
@ -1910,9 +1910,7 @@ and we don't even do that unless it would come from the file name."
done (assoc (file-name-nondirectory mode)
interpreter-mode-alist))
;; If we found an interpreter mode to use, invoke it now.
(and done
(not (if keep-mode-if-same (eq mode major-mode)))
(funcall (cdr done))))
(if done (set-auto-mode-0 (cdr done))))
(if (and (not done) buffer-file-name)
(let ((name buffer-file-name))
;; Remove backup-suffixes from file name.
@ -1930,19 +1928,31 @@ and we don't even do that unless it would come from the file name."
(setq name)))
(when mode
(if xml (or (memq mode xml-based-modes)
(setq mode 'sgml-mode))) ; alias to xml-mode for `eq'
;; When KEEP-MODE-IF-SAME is set, we are working on behalf of
;; set-visited-file-name. In that case, if the major mode
;; specified is the same one we already have, don't actually
;; reset it. We don't want to lose minor modes such as Font
;; Lock.
(unless (if keep-mode-if-same (eq mode major-mode))
(funcall mode))
(setq mode 'xml-mode)))
(set-auto-mode-0 mode)
(setq done t)))))
(and (not done)
xml
(not (if keep-mode-if-same (eq 'sgml-mode major-mode)))
(xml-mode))))
(and xml
(not done)
(set-auto-mode-0 'xml-mode))))
;; When `keep-mode-if-same' is set, we are working on behalf of
;; set-visited-file-name. In that case, if the major mode specified is the
;; same one we already have, don't actually reset it. We don't want to lose
;; minor modes such as Font Lock.
(defun set-auto-mode-0 (mode)
"Apply MODE and return it.
If `keep-mode-if-same' is non-nil MODE is chased of any aliases and
compared to current major mode. If they are the same, do nothing
and return nil."
(when keep-mode-if-same
(while (symbolp (symbol-function mode))
(setq mode (symbol-function mode)))
(if (eq mode major-mode)
(setq mode)))
(when mode
(funcall mode)
mode))
(defun set-auto-mode-1 ()