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Jim Blandy 1992-02-27 23:17:44 +00:00
parent 80dcc39079
commit 7b3f3dc2bb
1 changed files with 71 additions and 10 deletions
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81
lisp/files.el
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@ -450,26 +450,86 @@ run `normal-mode' explicitly."
(error (message "File mode specification error: %s"
(prin1-to-string err))))
(condition-case err
(hack-local-variables (not find-file))
(let ((enable-local-variables (or (not find-file)
enable-local-variables)))
(hack-local-variables))
(error (message "File local-variables error: %s"
(prin1-to-string err)))))
;(defvar auto-mode-alist ...) now in loaddefs.el
(defvar auto-mode-alist (mapcar 'purecopy
'(("\\.text\\'" . text-mode)
("\\.c\\'" . c-mode)
("\\.h\\'" . c-mode)
("\\.tex\\'" . TeX-mode)
("\\.ltx\\'" . LaTeX-mode)
("\\.el\\'" . emacs-lisp-mode)
("\\.mm\\'" . nroff-mode)
("\\.me\\'" . nroff-mode)
("\\.[12345678]\\'" . nroff-mode)
("\\.scm\\'" . scheme-mode)
("\\.l\\'" . lisp-mode)
("\\.lisp\\'" . lisp-mode)
("\\.f\\'" . fortran-mode)
("\\.for\\'" . fortran-mode)
("\\.mss\\'" . scribe-mode)
("\\.pl\\'" . prolog-mode)
("\\.cc\\'" . c++-mode)
("\\.C\\'" . c++-mode)
;;; Less common extensions come here
;;; so more common ones above are found faster.
("\\.s\\'" . asm-mode)
("ChangeLog\\'" . change-log-mode)
("\\$CHANGE_LOG\\$\\.TXT" . change-log-mode)
("\\.TeX\\'" . TeX-mode)
("\\.sty\\'" . LaTeX-mode)
("\\.bbl\\'" . LaTeX-mode)
("\\.bib\\'" . bibtex-mode)
("\\.article\\'" . text-mode)
("\\.letter\\'" . text-mode)
("\\.texinfo\\'" . texinfo-mode)
("\\.lsp\\'" . lisp-mode)
("\\.awk\\'" . awk-mode)
("\\.prolog\\'" . prolog-mode)
;; Mailer puts message to be edited in
;; /tmp/Re.... or Message
("^/tmp/Re" . text-mode)
("/Message[0-9]*\\'" . text-mode)
;; some news reader is reported to use this
("^/tmp/fol/" . text-mode)
("\\.y\\'" . c-mode)
("\\.oak\\'" . scheme-mode)
("\\.scm.[0-9]*\\'" . scheme-mode)
;; .emacs following a directory delimiter
;; in either Unix or VMS syntax.
("[]>:/]\\..*emacs\\'" . emacs-lisp-mode)
("\\.ml\\'" . lisp-mode)))
"\
Alist of filename patterns vs corresponding major mode functions.
Each element looks like (REGEXP . FUNCTION).
Visiting a file whose name matches REGEXP causes FUNCTION to be called.")
(defun set-auto-mode ()
"Select major mode appropriate for current buffer.
May base decision on visited file name (see variable `auto-mode-alist')
or on buffer contents (-*- line or local variables spec), but does not look
for the \"mode:\" local variable. For that, use `hack-local-variables'."
This checks for a -*- mode tag in the buffer's text, or
compares the filename against the entries in auto-mode-alist. It does
not check for the \"mode:\" local variable in the Local Variables
section of the file; for that, use `hack-local-variables'.
If enable-local-variables is nil, this function will not check for a
-*- mode tag."
;; Look for -*-MODENAME-*- or -*- ... mode: MODENAME; ... -*-
(let (beg end mode)
(save-excursion
(goto-char (point-min))
(skip-chars-forward " \t\n")
(if (and (search-forward "-*-" (save-excursion (end-of-line) (point)) t)
(if (and enable-local-variables
(search-forward "-*-" (save-excursion (end-of-line) (point)) t)
(progn
(skip-chars-forward " \t")
(setq beg (point))
(search-forward "-*-" (save-excursion (end-of-line) (point)) t))
(search-forward "-*-"
(save-excursion (end-of-line) (point))
t))
(progn
(forward-char -3)
(skip-chars-backward " \t")
@ -502,7 +562,7 @@ for the \"mode:\" local variable. For that, use `hack-local-variables'."
(setq alist (cdr alist)))))))
(if mode (funcall mode))))
(defun hack-local-variables (&optional force)
(defun hack-local-variables ()
"Parse (and bind or evaluate as appropriate) any local variables
for current buffer."
;; Look for "Local variables:" line in last page.
@ -511,7 +571,7 @@ for current buffer."
(search-backward "\n\^L" (max (- (point-max) 3000) (point-min)) 'move)
(if (let ((case-fold-search t))
(and (search-forward "Local Variables:" nil t)
(or force (eq enable-local-variables t)
(or (eq enable-local-variables t)
(and enable-local-variables
(save-window-excursion
(switch-to-buffer (current-buffer))
@ -533,6 +593,7 @@ for current buffer."
(setq prefix
(buffer-substring (point)
(progn (beginning-of-line) (point)))))
(if prefix (setq prefixlen (length prefix)
prefix (regexp-quote prefix)))
(if suffix (setq suffix (concat (regexp-quote suffix) "$")))
@ -570,7 +631,7 @@ for current buffer."
(funcall (intern (concat (downcase (symbol-name val))
"-mode"))))
((eq var 'eval)
(if (or (and ignore-local-eval (not force))
(if (or ignore-local-eval
(string= (user-login-name) "root"))
(message "Ignoring `eval:' in file's local variables")
(save-excursion (eval val))))