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1 ;;; awk-mode.el --- AWK code editing commands for Emacs
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2
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3 ;; Copyright (C) 1988, 1994 Free Software Foundation, Inc.
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4
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5 ;; Maintainer: FSF
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6 ;; Keywords: unix, languages
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7
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8 ;; This file is part of GNU Emacs.
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9
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10 ;; GNU Emacs is free software; you can redistribute it and/or modify
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11 ;; it under the terms of the GNU General Public License as published by
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12 ;; the Free Software Foundation; either version 2, or (at your option)
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13 ;; any later version.
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14
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15 ;; GNU Emacs is distributed in the hope that it will be useful,
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16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 ;; GNU General Public License for more details.
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19
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20 ;; You should have received a copy of the GNU General Public License
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21 ;; along with GNU Emacs; see the file COPYING. If not, write to
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22 ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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23
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24 ;;; Synched up with: FSF 19.30.
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25
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26 ;;; Commentary:
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27
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28 ;; Sets up C-mode with support for awk-style #-comments and a lightly
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29 ;; hacked syntax table.
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30
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31 ;;; Code:
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32
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33 (defvar awk-mode-syntax-table nil
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34 "Syntax table in use in Awk-mode buffers.")
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35
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36 (if awk-mode-syntax-table
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37 ()
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38 (setq awk-mode-syntax-table (make-syntax-table))
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39 (modify-syntax-entry ?\\ "\\" awk-mode-syntax-table)
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40 (modify-syntax-entry ?\n "> " awk-mode-syntax-table)
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41 (modify-syntax-entry ?\f "> " awk-mode-syntax-table)
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42 (modify-syntax-entry ?\# "< " awk-mode-syntax-table)
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43 (modify-syntax-entry ?/ "." awk-mode-syntax-table)
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44 (modify-syntax-entry ?* "." awk-mode-syntax-table)
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45 (modify-syntax-entry ?+ "." awk-mode-syntax-table)
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46 (modify-syntax-entry ?- "." awk-mode-syntax-table)
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47 (modify-syntax-entry ?= "." awk-mode-syntax-table)
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48 (modify-syntax-entry ?% "." awk-mode-syntax-table)
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49 (modify-syntax-entry ?< "." awk-mode-syntax-table)
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50 (modify-syntax-entry ?> "." awk-mode-syntax-table)
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51 (modify-syntax-entry ?& "." awk-mode-syntax-table)
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52 (modify-syntax-entry ?| "." awk-mode-syntax-table)
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53 (modify-syntax-entry ?\' "\"" awk-mode-syntax-table))
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54
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55 (defvar awk-mode-abbrev-table nil
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56 "Abbrev table in use in Awk-mode buffers.")
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57 (define-abbrev-table 'awk-mode-abbrev-table ())
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58
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59 ;;;###autoload
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60 (defun awk-mode ()
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61 "Major mode for editing AWK code.
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62 This is much like C mode except for the syntax of comments. It uses
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63 the same keymap as C mode and has the same variables for customizing
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64 indentation. It has its own abbrev table and its own syntax table.
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65
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66 Turning on AWK mode calls the value of the variable `awk-mode-hook'
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67 with no args, if that value is non-nil."
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68 (interactive)
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69 (kill-all-local-variables)
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70 (require 'cc-mode)
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71 (use-local-map c-mode-map)
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72 (setq major-mode 'awk-mode)
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73 (setq mode-name "AWK")
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74 (setq local-abbrev-table awk-mode-abbrev-table)
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75 (set-syntax-table awk-mode-syntax-table)
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76 (make-local-variable 'paragraph-start)
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77 (setq paragraph-start (concat "$\\|" page-delimiter))
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78 (make-local-variable 'paragraph-separate)
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79 (setq paragraph-separate paragraph-start)
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80 (make-local-variable 'paragraph-ignore-fill-prefix)
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81 (setq paragraph-ignore-fill-prefix t)
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82 (make-local-variable 'indent-line-function)
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83 (setq indent-line-function 'c-indent-line)
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84 (make-local-variable 'require-final-newline)
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85 (setq require-final-newline t)
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86 (make-local-variable 'comment-start)
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87 (setq comment-start "# ")
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88 (make-local-variable 'comment-end)
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89 (setq comment-end "")
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90 (make-local-variable 'comment-column)
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91 (setq comment-column 32)
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92 (make-local-variable 'comment-start-skip)
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93 (setq comment-start-skip "#+ *")
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94 (make-local-variable 'comment-indent-function)
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95 (setq comment-indent-function 'c-comment-indent)
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96 (run-hooks 'awk-mode-hook))
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97
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98 ;;; awk-mode.el ends here
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