autoconf/lib/emacs/autoconf-mode.el

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;;; autoconf-mode.el --- autoconf code editing commands for Emacs
;; Author: Martin Buchholz (martin@xemacs.org)
;; Maintainer: Martin Buchholz
;; Keywords: languages, faces, m4, configure
;; This file is part of Autoconf
;; Copyright 2001 Free Software Foundation, Inc.
;;
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this program; if not, write to the Free Software
;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
;; 02111-1307, USA.
;; A major mode for editing autoconf input (like configure.in).
;; Derived from m4-mode.el by Andrew Csillag (drew@staff.prodigy.com)
;;; Your should add the following to your Emacs configuration file:
;; (autoload 'autoconf-mode "autoconf-mode"
;; "Major mode for editing autoconf files." t)
;; (setq auto-mode-alist
;; (cons '("\\.ac\\'\\|configure\\.in\\'" . autoconf-mode)
;; auto-mode-alist))
;;; Code:
;;thank god for make-regexp.el!
(defvar autoconf-font-lock-keywords
`(("\\bdnl \\(.*\\)" 1 font-lock-comment-face t)
("\\$[0-9*#@]" . font-lock-variable-name-face)
("\\b\\(m4_\\)?\\(builtin\\|change\\(com\\|quote\\|word\\)\\|d\\(e\\(bug\\(file\\|mode\\)\\|cr\\|f\\(ine\\|n\\)\\)\\|iv\\(ert\\|num\\)\\|nl\\|umpdef\\)\\|e\\(rrprint\\|syscmd\\|val\\)\\|f\\(ile\\|ormat\\)\\|gnu\\|i\\(f\\(def\\|else\\)\\|n\\(c\\(lude\\|r\\)\\|d\\(ex\\|ir\\)\\)\\)\\|l\\(en\\|ine\\)\\|m\\(4\\(exit\\|wrap\\)\\|aketemp\\)\\|p\\(atsubst\\|opdef\\|ushdef\\)\\|regexp\\|s\\(hift\\|include\\|ubstr\\|ys\\(cmd\\|val\\)\\)\\|tra\\(ceo\\(ff\\|n\\)\\|nslit\\)\\|un\\(d\\(efine\\|ivert\\)\\|ix\\)\\)\\b" . font-lock-keyword-face)
("^\\(\\(m4_\\)?define\\|A._DEFUN\\|m4_defun\\)(\\[?\\([A-Za-z0-9_]+\\)" 3 font-lock-function-name-face)
"default font-lock-keywords")
)
(defvar autoconf-mode-syntax-table nil
"syntax table used in autoconf mode")
(setq autoconf-mode-syntax-table (make-syntax-table))
(modify-syntax-entry ?\" "\"" autoconf-mode-syntax-table)
;;(modify-syntax-entry ?\' "\"" autoconf-mode-syntax-table)
(modify-syntax-entry ?# "<\n" autoconf-mode-syntax-table)
(modify-syntax-entry ?\n ">#" autoconf-mode-syntax-table)
(modify-syntax-entry ?\( "()" autoconf-mode-syntax-table)
(modify-syntax-entry ?\) ")(" autoconf-mode-syntax-table)
(modify-syntax-entry ?\[ "(]" autoconf-mode-syntax-table)
(modify-syntax-entry ?\] ")[" autoconf-mode-syntax-table)
(modify-syntax-entry ?* "." autoconf-mode-syntax-table)
(modify-syntax-entry ?_ "_" autoconf-mode-syntax-table)
(defvar autoconf-mode-map
(let ((map (make-sparse-keymap)))
(define-key map '[(control c) (\;)] 'comment-region)
map))
(defun autoconf-current-defun ()
"Autoconf value for `add-log-current-defun-function'.
This tells add-log.el how to find the current macro."
(save-excursion
(if (re-search-backward "^\\(m4_define\\|m4_defun\\|A._DEFUN\\)(\\[*\\([A-Za-z0-9_]+\\)" nil t)
(buffer-substring (match-beginning 2)
(match-end 2))
nil)))
;;;###autoload
(defun autoconf-mode ()
"A major-mode to edit Autoconf files like configure.ac.
\\{autoconf-mode-map}
"
(interactive)
(kill-all-local-variables)
(use-local-map autoconf-mode-map)
(make-local-variable 'add-log-current-defun-function)
(setq add-log-current-defun-function 'autoconf-current-defun)
(make-local-variable 'comment-start)
(setq comment-start "# ")
(make-local-variable 'parse-sexp-ignore-comments)
(setq parse-sexp-ignore-comments t)
(make-local-variable 'font-lock-defaults)
(setq major-mode 'autoconf-mode)
(setq mode-name "Autoconf")
(setq font-lock-defaults `(autoconf-font-lock-keywords nil))
(set-syntax-table autoconf-mode-syntax-table)
(run-hooks 'autoconf-mode-hook))
(provide 'autoconf-mode)
;;; autoconf-mode.el ends here