diff options
Diffstat (limited to 'lisp/files.el')
| -rw-r--r-- | lisp/files.el | 220 |
1 files changed, 105 insertions, 115 deletions
diff --git a/lisp/files.el b/lisp/files.el index ee6793bec7..d14c462535 100644 --- a/lisp/files.el +++ b/lisp/files.el @@ -1646,40 +1646,33 @@ in that case, this function acts as if `enable-local-variables' were t." (lambda (elt) (cons (purecopy (car elt)) (cdr elt))) '(("\\.te?xt\\'" . text-mode) - ("\\.tex\\'" . tex-mode) + ("\\.[tT]e[xX]\\'" . tex-mode) ("\\.ins\\'" . tex-mode) ;Installation files for TeX packages. ("\\.ltx\\'" . latex-mode) ("\\.dtx\\'" . doctex-mode) ("\\.el\\'" . emacs-lisp-mode) ("\\.\\(scm\\|stk\\|ss\\|sch\\)\\'" . scheme-mode) ("\\.l\\'" . lisp-mode) - ("\\.lisp\\'" . lisp-mode) - ("\\.f\\'" . fortran-mode) - ("\\.F\\'" . fortran-mode) + ("\\.li?sp\\'" . lisp-mode) + ("\\.[fF]\\'" . fortran-mode) ("\\.for\\'" . fortran-mode) ("\\.p\\'" . pascal-mode) ("\\.pas\\'" . pascal-mode) ("\\.ad[abs]\\'" . ada-mode) ("\\.ad[bs].dg\\'" . ada-mode) - ("\\.\\([pP]\\([Llm]\\|erl\\)\\|al\\)\\'" . perl-mode) + ("\\.\\([pP]\\([Llm]\\|erl\\|od\\)\\|al\\)\\'" . perl-mode) ("\\.s?html?\\'" . html-mode) ("\\.mk\\'" . makefile-mode) - ("\\(M\\|m\\|GNUm\\)akefile\\'" . makefile-mode) + ("\\([Mm]\\|GNUm\\)akep*file\\'" . makefile-mode) ("\\.am\\'" . makefile-mode) ;For Automake. ;; Less common extensions come here ;; so more common ones above are found faster. ("\\.texinfo\\'" . texinfo-mode) ("\\.te?xi\\'" . texinfo-mode) - ("\\.s\\'" . asm-mode) - ("\\.S\\'" . asm-mode) + ("\\.[sS]\\'" . asm-mode) ("\\.asm\\'" . asm-mode) - ("ChangeLog\\'" . change-log-mode) - ("change\\.log\\'" . change-log-mode) - ("changelo\\'" . change-log-mode) - ("ChangeLog\\.[0-9]+\\'" . change-log-mode) - ;; for MSDOS and MS-Windows (which are case-insensitive) - ("changelog\\'" . change-log-mode) - ("changelog\\.[0-9]+\\'" . change-log-mode) + ("[cC]hange\\.?[lL]og?\\'" . change-log-mode) + ("[cC]hange[lL]og\\.[0-9]+\\'" . change-log-mode) ("\\$CHANGE_LOG\\$\\.TXT" . change-log-mode) ("\\.scm\\.[0-9]*\\'" . scheme-mode) ("\\.[ck]?sh\\'\\|\\.shar\\'\\|/\\.z?profile\\'" . sh-mode) @@ -1688,36 +1681,27 @@ in that case, this function acts as if `enable-local-variables' were t." ("\\(/\\|\\`\\)\\.\\(bash_logout\\|shrc\\|[kz]shrc\\|bashrc\\|t?cshrc\\|esrc\\)\\'" . sh-mode) ("\\(/\\|\\`\\)\\.\\([kz]shenv\\|xinitrc\\|startxrc\\|xsession\\)\\'" . sh-mode) ("\\.m?spec\\'" . sh-mode) - ("\\.mm\\'" . nroff-mode) - ("\\.me\\'" . nroff-mode) - ("\\.ms\\'" . nroff-mode) + ("\\.m[mes]\\'" . nroff-mode) ("\\.man\\'" . nroff-mode) - ("\\.TeX\\'" . tex-mode) ("\\.sty\\'" . latex-mode) - ("\\.cls\\'" . latex-mode) ;LaTeX 2e class - ("\\.clo\\'" . latex-mode) ;LaTeX 2e class option + ("\\.cl[so]\\'" . latex-mode) ;LaTeX 2e class option ("\\.bbl\\'" . latex-mode) ("\\.bib\\'" . bibtex-mode) ("\\.sql\\'" . sql-mode) - ("\\.m4\\'" . m4-mode) - ("\\.mc\\'" . m4-mode) - ("\\.mf\\'" . metafont-mode) - ("\\.mp\\'" . metapost-mode) + ("\\.m[4c]\\'" . m4-mode) + ("\\.m[fp]\\'" . metapost-mode) ("\\.vhdl?\\'" . vhdl-mode) ("\\.article\\'" . text-mode) ("\\.letter\\'" . text-mode) - ("\\.tcl\\'" . tcl-mode) + ("\\.i?tcl\\'" . tcl-mode) ("\\.exp\\'" . tcl-mode) - ("\\.itcl\\'" . tcl-mode) ("\\.itk\\'" . tcl-mode) ("\\.icn\\'" . icon-mode) ("\\.sim\\'" . simula-mode) ("\\.mss\\'" . scribe-mode) - ("\\.f90\\'" . f90-mode) - ("\\.f95\\'" . f90-mode) + ("\\.f9[05]\\'" . f90-mode) ("\\.indent\\.pro\\'" . fundamental-mode) ; to avoid idlwave-mode ("\\.pro\\'" . idlwave-mode) - ("\\.lsp\\'" . lisp-mode) ("\\.prolog\\'" . prolog-mode) ("\\.tar\\'" . tar-mode) ("\\.\\(arc\\|zip\\|lzh\\|zoo\\|ear\\|jar\\|war\\)\\'" . archive-mode) @@ -1733,10 +1717,11 @@ in that case, this function acts as if `enable-local-variables' were t." ("\\`/tmp/fol/" . text-mode) ("\\.oak\\'" . scheme-mode) ("\\.sgml?\\'" . sgml-mode) - ("\\.xml\\'" . sgml-mode) - ("\\.xsl\\'" . sgml-mode) + ("\\.x[ms]l\\'" . xml-mode) ("\\.dtd\\'" . sgml-mode) ("\\.ds\\(ss\\)?l\\'" . dsssl-mode) + ("\\.js\\'" . java-mode) ; javascript-mode would be better + ("\\.x[bp]m\\'" . c-mode) ;; .emacs or .gnus or .viper following a directory delimiter in ;; Unix, MSDOG or VMS syntax. ("[]>:/\\]\\..*\\(emacs\\|gnus\\|viper\\)\\'" . emacs-lisp-mode) @@ -1760,7 +1745,7 @@ in that case, this function acts as if `enable-local-variables' were t." ;; or .#<file>.<rev>-<rev> or VC's <file>.~<rev>~. ;; Using mode nil rather than `ignore' would let the search continue ;; through this list (with the shortened name) rather than start over. - ("\\.~?[0-9]+\\.[0-9][-.0-9]*~?\\'" ignore t) + ("\\.~?[0-9]+\\.[0-9][-.0-9]*~?\\'" nil t) ;; The following should come after the ChangeLog pattern ;; for the sake of ChangeLog.1, etc. ;; and after the .scm.[0-9] and CVS' <file>.<rev> patterns too. @@ -1849,12 +1834,20 @@ be interpreted by the interpreter matched by the second group of the regular expression. The mode is then determined as the mode associated with that interpreter in `interpreter-mode-alist'.") +(defvar xml-based-modes '(html-mode) + "Modes that override an XML declaration. +When `set-auto-mode' sees an <?xml or <!DOCTYPE declaration, that +buffer will be in some XML mode. If `auto-mode-alist' associates +the file with one of the modes in this list, that mode will be +used. Else `xml-mode' or `sgml-mode' is used.") + (defun set-auto-mode (&optional just-from-file-name) "Select major mode appropriate for current buffer. -This checks for a -*- mode tag in the buffer's text, -compares the filename against the entries in `auto-mode-alist', -or checks the interpreter that runs this file against -`interpreter-mode-alist'. +This checks for a -*- mode tag in the buffer's text, checks the +interpreter that runs this file against `interpreter-mode-alist', +looks for an <?xml or <!DOCTYPE declaration (see +`xml-based-modes'), 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'. @@ -1866,87 +1859,84 @@ If the optional argument JUST-FROM-FILE-NAME 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." ;; Look for -*-MODENAME-*- or -*- ... mode: MODENAME; ... -*- - (let (end done modes) - (save-excursion - (goto-char (point-min)) - (skip-chars-forward " \t\n") - (and enable-local-variables - (setq end (set-auto-mode-1)) - (if (save-excursion (search-forward ":" end t)) - ;; Find all specifications for the `mode:' variable - ;; and execute them left to right. - (while (let ((case-fold-search t)) - (or (and (looking-at "mode:") - (goto-char (match-end 0))) - (re-search-forward "[ \t;]mode:" end t))) - (skip-chars-forward " \t") - (let ((beg (point))) - (if (search-forward ";" end t) - (forward-char -1) - (goto-char end)) - (skip-chars-backward " \t") - (push (intern (concat (downcase (buffer-substring beg (point))) "-mode")) - modes))) - ;; Simple -*-MODE-*- case. - (push (intern (concat (downcase (buffer-substring (point) end)) - "-mode")) - modes)))) - ;; If we found modes to use, invoke them now, - ;; outside the save-excursion. + (let (end done mode modes xml) (unless just-from-file-name - (dolist (mode (nreverse modes)) - (if (not (functionp mode)) - (message "Ignoring unknown mode `%s'" mode) - (setq done t) - (funcall mode)))) - ;; If we didn't find a mode from a -*- line, try using the file name. + ;; Find a -*- mode tag + (save-excursion + (goto-char (point-min)) + (skip-chars-forward " \t\n") + ;; While we're at this point, check xml for later. + (setq xml (looking-at "<\\?xml \\|<!DOCTYPE")) + (and enable-local-variables + (setq end (set-auto-mode-1)) + (if (save-excursion (search-forward ":" end t)) + ;; Find all specifications for the `mode:' variable + ;; and execute them left to right. + (while (let ((case-fold-search t)) + (or (and (looking-at "mode:") + (goto-char (match-end 0))) + (re-search-forward "[ \t;]mode:" end t))) + (skip-chars-forward " \t") + (let ((beg (point))) + (if (search-forward ";" end t) + (forward-char -1) + (goto-char end)) + (skip-chars-backward " \t") + (push (intern (concat (downcase (buffer-substring beg (point))) "-mode")) + modes))) + ;; Simple -*-MODE-*- case. + (push (intern (concat (downcase (buffer-substring (point) end)) + "-mode")) + 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) + (funcall mode))) + ;; 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. + (setq mode (save-excursion + (goto-char (point-min)) + (if (looking-at auto-mode-interpreter-regexp) + (match-string 2) + "")) + ;; Map interpreter name to a mode, signalling we're done at the + ;; same time. + done (assoc (file-name-nondirectory mode) + interpreter-mode-alist)) + ;; If we found an interpreter mode to use, invoke it now. + (if done (funcall (cdr done))))) (if (and (not done) buffer-file-name) - (let ((name buffer-file-name) - (keep-going t)) + (let ((name buffer-file-name)) ;; Remove backup-suffixes from file name. (setq name (file-name-sans-versions name)) - (while keep-going - (setq keep-going nil) - (let ((alist auto-mode-alist) - (mode nil)) - ;; Find first matching alist entry. - (let ((case-fold-search - (memq system-type '(vax-vms windows-nt cygwin)))) - (while (and (not mode) alist) - (if (string-match (car (car alist)) name) - (if (and (consp (cdr (car alist))) - (nth 2 (car alist))) - (setq mode (car (cdr (car alist))) - name (substring name 0 (match-beginning 0)) - keep-going t) - (setq mode (cdr (car alist)) - keep-going nil))) - (setq alist (cdr alist)))) - (if mode - ;; When JUST-FROM-FILE-NAME 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 (and just-from-file-name (eq mode major-mode)) - (funcall mode)) - ;; If we can't deduce a mode from the file name, - ;; 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. - (let ((interpreter - (save-excursion - (goto-char (point-min)) - (if (looking-at auto-mode-interpreter-regexp) - (match-string 2) - ""))) - elt) - ;; Map interpreter name to a mode. - (setq elt (assoc (file-name-nondirectory interpreter) - interpreter-mode-alist)) - (unless just-from-file-name - (if elt - (funcall (cdr elt)))))))))))) + (while (not done) + ;; Find first matching alist entry. + (let ((case-fold-search + (memq system-type '(vax-vms windows-nt cygwin)))) + (if (and (setq mode (assoc-default name auto-mode-alist + 'string-match)) + (consp mode) + (cadr mode)) + (setq mode (car mode) + name (substring name 0 (match-beginning 0))) + (setq done t))) + (if mode + ;; When JUST-FROM-FILE-NAME 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 (and just-from-file-name (eq mode major-mode)) + (if (if xml (memq mode xml-based-modes) t) + (funcall mode) + (xml-mode))))))) + (and (not done) + xml + (xml-mode)))) (defun set-auto-mode-1 () @@ -2157,7 +2147,7 @@ is specified, returning t if it is specified." (error "Local variables entry is missing the suffix"))) (forward-line 1)) (goto-char (point-min)) - + (while (not (eobp)) ;; Find the variable name; strip whitespace. (skip-chars-forward " \t") |