1;;; m4-mode.el --- m4 code editing commands for Emacs 2 3;; Copyright (C) 1996, 1997, 2001, 2002, 2003, 2004, 2005, 2006, 2007 4;; Free Software Foundation, Inc. 5 6;; Author: Andrew Csillag <drew_csillag@geocities.com> 7;; Maintainer: Andrew Csillag <drew_csillag@geocities.com> 8;; Keywords: languages, faces 9 10;; This file is part of GNU Emacs. 11 12;; GNU Emacs is free software; you can redistribute it and/or modify 13;; it under the terms of the GNU General Public License as published by 14;; the Free Software Foundation; either version 2, or (at your option) 15;; any later version. 16 17;; GNU Emacs is distributed in the hope that it will be useful, 18;; but WITHOUT ANY WARRANTY; without even the implied warranty of 19;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20;; GNU General Public License for more details. 21 22;; You should have received a copy of the GNU General Public License 23;; along with GNU Emacs; see the file COPYING. If not, write to the 24;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 25;; Boston, MA 02110-1301, USA. 26 27;;; Commentary: 28 29;; A smart editing mode for m4 macro definitions. It seems to have most of the 30;; syntax right (sexp motion commands work, but function motion commands don't). 31;; It also sets the font-lock syntax stuff for colorization 32 33;; To Do's: 34 35;; * want to make m4-m4-(buffer|region) look sorta like M-x compile look&feel ? 36;; * sexp motion commands don't seem to work right 37 38;;; Thanks: 39;;; to Akim Demaille and Terry Jones for the bug reports 40;;; to Simon Marshall for the regexp tip 41;;; to Martin Buchholz for some general fixes 42 43;;; Code: 44 45(defgroup m4 nil 46 "m4 code editing commands for Emacs." 47 :link '(custom-group-link :tag "Font Lock Faces group" font-lock-faces) 48 :prefix "m4-" 49 :group 'languages) 50 51(defcustom m4-program 52 (cond 53 ((file-exists-p "/usr/local/bin/m4") "/usr/local/bin/m4") 54 ((file-exists-p "/usr/bin/m4") "/usr/bin/m4") 55 ((file-exists-p "/bin/m4") "/bin/m4") 56 ((file-exists-p "/usr/ccs/bin/m4") "/usr/ccs/bin/m4") 57 ( t "m4") 58 ) 59 "File name of the m4 executable." 60 :type 'file 61 :group 'm4) 62 63;;options to m4 64(defcustom m4-program-options nil 65 "Options to pass to `m4-program'." 66 :type '(repeat string) 67 :group 'm4) 68 69;;to use --prefix-builtins, you can use 70;;(defconst m4-program-options '("-P")) 71;;or 72;;(defconst m4-program-options '("--prefix-builtins")) 73 74(defvar m4-font-lock-keywords 75 `( 76 ("\\(\\b\\(m4_\\)?dnl\\b\\|^\\#\\).*$" . font-lock-comment-face) 77; ("\\(\\bdnl\\b\\|\\bm4_dnl\\b\\|^\\#\\).*$" . font-lock-comment-face) 78 ("\\$[*#@0-9]" . font-lock-variable-name-face) 79 ("\\\$\\\@" . font-lock-variable-name-face) 80 ("\\\$\\\*" . font-lock-variable-name-face) 81 ("\\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) 82 ("\\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)) 83 "Default font-lock-keywords for `m4 mode'.") 84 85(defcustom m4-mode-hook nil 86 "*Hook called by `m4-mode'." 87 :type 'hook 88 :group 'm4) 89 90;;this may still need some work 91(defvar m4-mode-syntax-table nil 92 "Syntax table used while in `m4-mode'.") 93(setq m4-mode-syntax-table (make-syntax-table)) 94(modify-syntax-entry ?` "('" m4-mode-syntax-table) 95(modify-syntax-entry ?' ")`" m4-mode-syntax-table) 96(modify-syntax-entry ?# "<\n" m4-mode-syntax-table) 97(modify-syntax-entry ?\n ">#" m4-mode-syntax-table) 98(modify-syntax-entry ?{ "_" m4-mode-syntax-table) 99(modify-syntax-entry ?} "_" m4-mode-syntax-table) 100(modify-syntax-entry ?* "w" m4-mode-syntax-table) 101(modify-syntax-entry ?_ "w" m4-mode-syntax-table) 102(modify-syntax-entry ?\" "w" m4-mode-syntax-table) 103(modify-syntax-entry ?\" "w" m4-mode-syntax-table) 104 105(defvar m4-mode-map 106 (let ((map (make-sparse-keymap))) 107 (define-key map "\C-c\C-b" 'm4-m4-buffer) 108 (define-key map "\C-c\C-r" 'm4-m4-region) 109 (define-key map "\C-c\C-c" 'comment-region) 110 map)) 111 112(defvar m4-mode-abbrev-table nil 113 "Abbrev table used while in `m4-mode'.") 114 115(unless m4-mode-abbrev-table 116 (define-abbrev-table 'm4-mode-abbrev-table ())) 117 118(defun m4-m4-buffer () 119 "Send contents of the current buffer to m4." 120 (interactive) 121 (shell-command-on-region 122 (point-min) (point-max) 123 (mapconcat 'identity (cons m4-program m4-program-options) "\s") 124 "*m4-output*" nil) 125 (switch-to-buffer-other-window "*m4-output*")) 126 127(defun m4-m4-region () 128 "Send contents of the current region to m4." 129 (interactive) 130 (shell-command-on-region 131 (point) (mark) 132 (mapconcat 'identity (cons m4-program m4-program-options) "\s") 133 "*m4-output*" nil) 134 (switch-to-buffer-other-window "*m4-output*")) 135 136;;;###autoload 137(defun m4-mode () 138 "A major mode to edit m4 macro files. 139\\{m4-mode-map} 140" 141 (interactive) 142 (kill-all-local-variables) 143 (use-local-map m4-mode-map) 144 145 (make-local-variable 'comment-start) 146 (setq comment-start "#") 147 (make-local-variable 'parse-sexp-ignore-comments) 148 (setq parse-sexp-ignore-comments t) 149 (setq local-abbrev-table m4-mode-abbrev-table) 150 151 (make-local-variable 'font-lock-defaults) 152 (setq major-mode 'm4-mode 153 mode-name "m4" 154 font-lock-defaults '(m4-font-lock-keywords nil) 155 ) 156 (set-syntax-table m4-mode-syntax-table) 157 (run-mode-hooks 'm4-mode-hook)) 158 159(provide 'm4-mode) 160;;stuff to play with for debugging 161;(char-to-string (char-syntax ?`)) 162 163;;;how I generate the nasty looking regexps at the top 164;;;(make-regexp '("builtin" "changecom" "changequote" "changeword" "debugfile" 165;;; "debugmode" "decr" "define" "defn" "divert" "divnum" "dnl" 166;;; "dumpdef" "errprint" "esyscmd" "eval" "file" "format" "gnu" 167;;; "ifdef" "ifelse" "include" "incr" "index" "indir" "len" "line" 168;;; "m4exit" "m4wrap" "maketemp" "patsubst" "popdef" "pushdef" "regexp" 169;;; "shift" "sinclude" "substr" "syscmd" "sysval" "traceoff" "traceon" 170;;; "translit" "undefine" "undivert" "unix")) 171;;;(make-regexp '("m4_builtin" "m4_changecom" "m4_changequote" "m4_changeword" 172;;; "m4_debugfile" "m4_debugmode" "m4_decr" "m4_define" "m4_defn" 173;;; "m4_divert" "m4_divnum" "m4_dnl" "m4_dumpdef" "m4_errprint" 174;;; "m4_esyscmd" "m4_eval" "m4_file" "m4_format" "m4_ifdef" "m4_ifelse" 175;;; "m4_include" "m4_incr" "m4_index" "m4_indir" "m4_len" "m4_line" 176;;; "m4_m4exit" "m4_m4wrap" "m4_maketemp" "m4_patsubst" "m4_popdef" 177;;; "m4_pushdef" "m4_regexp" "m4_shift" "m4_sinclude" "m4_substr" 178;;; "m4_syscmd" "m4_sysval" "m4_traceoff" "m4_traceon" "m4_translit" 179;;; "m4_m4_undefine" "m4_undivert")) 180 181;;; arch-tag: 87811d86-94c1-474b-9666-587f6da74af1 182;;; m4-mode.el ends here 183