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- ;;; m4-mode.el --- m4 code editing commands for Emacs
- ;; Copyright (C) 1996-1997, 2001-2012 Free Software Foundation, Inc.
- ;; Author: Andrew Csillag <drew_csillag@geocities.com>
- ;; Maintainer: Andrew Csillag <drew_csillag@geocities.com>
- ;; Keywords: languages, faces
- ;; This file is part of GNU Emacs.
- ;; GNU Emacs 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 3 of the License, or
- ;; (at your option) any later version.
- ;; GNU Emacs 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 GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
- ;;; Commentary:
- ;; A smart editing mode for m4 macro definitions. It seems to have most of the
- ;; syntax right (sexp motion commands work, but function motion commands don't).
- ;; It also sets the font-lock syntax stuff for colorization
- ;; To Do's:
- ;; * want to make m4-m4-(buffer|region) look sorta like M-x compile look&feel ?
- ;; * sexp motion commands don't seem to work right
- ;;; Thanks:
- ;;; to Akim Demaille and Terry Jones for the bug reports
- ;;; to Simon Marshall for the regexp tip
- ;;; to Martin Buchholz for some general fixes
- ;;; Code:
- (defgroup m4 nil
- "m4 code editing commands for Emacs."
- :link '(custom-group-link :tag "Font Lock Faces group" font-lock-faces)
- :prefix "m4-"
- :group 'languages)
- (defcustom m4-program
- (cond
- ((file-exists-p "/usr/local/bin/m4") "/usr/local/bin/m4")
- ((file-exists-p "/usr/bin/m4") "/usr/bin/m4")
- ((file-exists-p "/bin/m4") "/bin/m4")
- ((file-exists-p "/usr/ccs/bin/m4") "/usr/ccs/bin/m4")
- ( t "m4")
- )
- "File name of the m4 executable."
- :type 'file
- :group 'm4)
- ;;options to m4
- (defcustom m4-program-options nil
- "Options to pass to `m4-program'."
- :type '(repeat string)
- :group 'm4)
- ;;to use --prefix-builtins, you can use
- ;;(defconst m4-program-options '("-P"))
- ;;or
- ;;(defconst m4-program-options '("--prefix-builtins"))
- (defvar m4-font-lock-keywords
- `(
- ("\\(\\b\\(m4_\\)?dnl\\b\\|^\\#\\).*$" . font-lock-comment-face)
- ; ("\\(\\bdnl\\b\\|\\bm4_dnl\\b\\|^\\#\\).*$" . font-lock-comment-face)
- ("\\$[*#@0-9]" . font-lock-variable-name-face)
- ("\\\$\\\@" . font-lock-variable-name-face)
- ("\\\$\\\*" . font-lock-variable-name-face)
- ("\\b\\(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)
- ("\\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\\)\\|i\\(f\\(def\\|else\\)\\|n\\(c\\(lude\\|r\\)\\|d\\(ex\\|ir\\)\\)\\)\\|l\\(en\\|ine\\)\\|m\\(4\\(_undefine\\|exit\\|wrap\\)\\|aketemp\\)\\|p\\(atsubst\\|opdef\\|ushdef\\)\\|regexp\\|s\\(hift\\|include\\|ubstr\\|ys\\(cmd\\|val\\)\\)\\|tra\\(ceo\\(ff\\|n\\)\\|nslit\\)\\|undivert\\)\\)\\b" . font-lock-keyword-face))
- "Default font-lock-keywords for `m4 mode'.")
- (defcustom m4-mode-hook nil
- "*Hook called by `m4-mode'."
- :type 'hook
- :group 'm4)
- ;;this may still need some work
- (defvar m4-mode-syntax-table nil
- "Syntax table used while in `m4-mode'.")
- (setq m4-mode-syntax-table (make-syntax-table))
- (modify-syntax-entry ?` "('" m4-mode-syntax-table)
- (modify-syntax-entry ?' ")`" m4-mode-syntax-table)
- (modify-syntax-entry ?# "<\n" m4-mode-syntax-table)
- (modify-syntax-entry ?\n ">#" m4-mode-syntax-table)
- (modify-syntax-entry ?{ "_" m4-mode-syntax-table)
- (modify-syntax-entry ?} "_" m4-mode-syntax-table)
- (modify-syntax-entry ?* "w" m4-mode-syntax-table)
- (modify-syntax-entry ?_ "w" m4-mode-syntax-table)
- (modify-syntax-entry ?\" "w" m4-mode-syntax-table)
- (modify-syntax-entry ?\" "w" m4-mode-syntax-table)
- (defvar m4-mode-map
- (let ((map (make-sparse-keymap))
- (menu-map (make-sparse-keymap)))
- (define-key map "\C-c\C-b" 'm4-m4-buffer)
- (define-key map "\C-c\C-r" 'm4-m4-region)
- (define-key map "\C-c\C-c" 'comment-region)
- (define-key map [menu-bar m4-mode] (cons "M4" menu-map))
- (define-key menu-map [m4c]
- '(menu-item "Comment Region" comment-region
- :help "Comment Region"))
- (define-key menu-map [m4b]
- '(menu-item "M4 Buffer" m4-m4-buffer
- :help "Send contents of the current buffer to m4"))
- (define-key menu-map [m4r]
- '(menu-item "M4 Region" m4-m4-region
- :help "Send contents of the current region to m4"))
- map))
- (defvar m4-mode-abbrev-table nil
- "Abbrev table used while in `m4-mode'.")
- (unless m4-mode-abbrev-table
- (define-abbrev-table 'm4-mode-abbrev-table ()))
- (defun m4-m4-buffer ()
- "Send contents of the current buffer to m4."
- (interactive)
- (shell-command-on-region
- (point-min) (point-max)
- (mapconcat 'identity (cons m4-program m4-program-options) "\s")
- "*m4-output*" nil)
- (switch-to-buffer-other-window "*m4-output*"))
- (defun m4-m4-region ()
- "Send contents of the current region to m4."
- (interactive)
- (shell-command-on-region
- (point) (mark)
- (mapconcat 'identity (cons m4-program m4-program-options) "\s")
- "*m4-output*" nil)
- (switch-to-buffer-other-window "*m4-output*"))
- ;;;###autoload
- (define-derived-mode m4-mode prog-mode "m4"
- "A major mode to edit m4 macro files."
- :abbrev-table m4-mode-abbrev-table
- (set (make-local-variable 'comment-start) "#")
- (set (make-local-variable 'parse-sexp-ignore-comments) t)
- (set (make-local-variable 'font-lock-defaults) '(m4-font-lock-keywords nil)))
- (provide 'm4-mode)
- ;;stuff to play with for debugging
- ;(char-to-string (char-syntax ?`))
- ;;;how I generate the nasty looking regexps at the top
- ;;;(make-regexp '("builtin" "changecom" "changequote" "changeword" "debugfile"
- ;;; "debugmode" "decr" "define" "defn" "divert" "divnum" "dnl"
- ;;; "dumpdef" "errprint" "esyscmd" "eval" "file" "format" "gnu"
- ;;; "ifdef" "ifelse" "include" "incr" "index" "indir" "len" "line"
- ;;; "m4exit" "m4wrap" "maketemp" "patsubst" "popdef" "pushdef" "regexp"
- ;;; "shift" "sinclude" "substr" "syscmd" "sysval" "traceoff" "traceon"
- ;;; "translit" "undefine" "undivert" "unix"))
- ;;;(make-regexp '("m4_builtin" "m4_changecom" "m4_changequote" "m4_changeword"
- ;;; "m4_debugfile" "m4_debugmode" "m4_decr" "m4_define" "m4_defn"
- ;;; "m4_divert" "m4_divnum" "m4_dnl" "m4_dumpdef" "m4_errprint"
- ;;; "m4_esyscmd" "m4_eval" "m4_file" "m4_format" "m4_ifdef" "m4_ifelse"
- ;;; "m4_include" "m4_incr" "m4_index" "m4_indir" "m4_len" "m4_line"
- ;;; "m4_m4exit" "m4_m4wrap" "m4_maketemp" "m4_patsubst" "m4_popdef"
- ;;; "m4_pushdef" "m4_regexp" "m4_shift" "m4_sinclude" "m4_substr"
- ;;; "m4_syscmd" "m4_sysval" "m4_traceoff" "m4_traceon" "m4_translit"
- ;;; "m4_m4_undefine" "m4_undivert"))
- ;;; m4-mode.el ends here
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