lisp/progmodes/awk-mode.el

   1 ;;; awk-mode.el --- AWK code editing commands for Emacs
   2
   3 ;; Maintainer: FSF
   4 ;; Last-Modified: 09 May 1991
   5 ;; Keyword: unix, languages
   6
   7 ;; Copyright (C) 1988 Free Software Foundation, Inc.
   8
   9 ;; This file is part of GNU Emacs.
  10
  11 ;; GNU Emacs is free software; you can redistribute it and/or modify
  12 ;; it under the terms of the GNU General Public License as published by
  13 ;; the Free Software Foundation; either version 2, or (at your option)
  14 ;; any later version.
  15
  16 ;; GNU Emacs is distributed in the hope that it will be useful,
  17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 ;; GNU General Public License for more details.
  20
  21 ;; You should have received a copy of the GNU General Public License
  22 ;; along with GNU Emacs; see the file COPYING.  If not, write to
  23 ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  24
  25 ;;; Code:
  26
  27 (defvar awk-mode-syntax-table nil
  28   "Syntax table in use in Awk-mode buffers.")
  29
  30 (if awk-mode-syntax-table
  31     ()
  32   (setq awk-mode-syntax-table (make-syntax-table))
  33   (modify-syntax-entry ?\\ "\\" awk-mode-syntax-table)
  34   (modify-syntax-entry ?\n ">   " emacs-lisp-mode-syntax-table)
  35   (modify-syntax-entry ?\f ">   " emacs-lisp-mode-syntax-table)
  36   (modify-syntax-entry ?\# "<   " emacs-lisp-mode-syntax-table)
  37   (modify-syntax-entry ?/ "." awk-mode-syntax-table)
  38   (modify-syntax-entry ?* "." awk-mode-syntax-table)
  39   (modify-syntax-entry ?+ "." awk-mode-syntax-table)
  40   (modify-syntax-entry ?- "." awk-mode-syntax-table)
  41   (modify-syntax-entry ?= "." awk-mode-syntax-table)
  42   (modify-syntax-entry ?% "." awk-mode-syntax-table)
  43   (modify-syntax-entry ?< "." awk-mode-syntax-table)
  44   (modify-syntax-entry ?> "." awk-mode-syntax-table)
  45   (modify-syntax-entry ?& "." awk-mode-syntax-table)
  46   (modify-syntax-entry ?| "." awk-mode-syntax-table)
  47   (modify-syntax-entry ?\' "\"" awk-mode-syntax-table))
  48
  49 (defvar awk-mode-abbrev-table nil
  50   "Abbrev table in use in Awk-mode buffers.")
  51 (define-abbrev-table 'awk-mode-abbrev-table ())
  52
  53 ;;;###autoload
  54 (defun awk-mode ()
  55   "Major mode for editing AWK code.
  56 This is much like C mode except for the syntax of comments.  It uses
  57 the same keymap as C mode and has the same variables for customizing
  58 indentation.  It has its own abbrev table and its own syntax table.
  59
  60 Turning on AWK mode calls the value of the variable `awk-mode-hook'
  61 with no args, if that value is non-nil."
  62   (interactive)
  63   (kill-all-local-variables)
  64   (use-local-map c-mode-map)
  65   (setq major-mode 'awk-mode)
  66   (setq mode-name "AWK")
  67   (setq local-abbrev-table awk-mode-abbrev-table)
  68   (set-syntax-table awk-mode-syntax-table)
  69   (make-local-variable 'paragraph-start)
  70   (setq paragraph-start (concat "^$\\|" page-delimiter))
  71   (make-local-variable 'paragraph-separate)
  72   (setq paragraph-separate paragraph-start)
  73   (make-local-variable 'paragraph-ignore-fill-prefix)
  74   (setq paragraph-ignore-fill-prefix t)
  75   (make-local-variable 'indent-line-function)
  76   (setq indent-line-function 'awk-indent-line)
  77   (make-local-variable 'require-final-newline)
  78   (setq require-final-newline t)
  79   (make-local-variable 'comment-start)
  80   (setq comment-start "# ")
  81   (make-local-variable 'comment-end)
  82   (setq comment-end "")
  83   (make-local-variable 'comment-column)
  84   (setq comment-column 32)
  85   (make-local-variable 'comment-start-skip)
  86   (setq comment-start-skip "#+ *")
  87   (make-local-variable 'comment-indent-hook)
  88   (setq comment-indent-hook 'c-comment-indent)
  89   (run-hooks 'awk-mode-hook))
  90
  91 ;;; awk-mode.el ends here