1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156
|
;;; awk-mode.el --- AWK code editing commands for Emacs
;; Copyright (C) 1988, 1994, 1996 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: unix, languages
;; 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 2, 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; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;; Sets up C-mode with support for awk-style #-comments and a lightly
;; hacked syntax table.
;;; Code:
(defvar awk-mode-syntax-table nil
"Syntax table in use in Awk-mode buffers.")
(if awk-mode-syntax-table
()
(setq awk-mode-syntax-table (make-syntax-table))
(modify-syntax-entry ?\\ "\\" awk-mode-syntax-table)
(modify-syntax-entry ?\n "> " awk-mode-syntax-table)
(modify-syntax-entry ?\f "> " awk-mode-syntax-table)
(modify-syntax-entry ?\# "< " awk-mode-syntax-table)
(modify-syntax-entry ?/ "." awk-mode-syntax-table)
(modify-syntax-entry ?* "." awk-mode-syntax-table)
(modify-syntax-entry ?+ "." awk-mode-syntax-table)
(modify-syntax-entry ?- "." awk-mode-syntax-table)
(modify-syntax-entry ?= "." awk-mode-syntax-table)
(modify-syntax-entry ?% "." awk-mode-syntax-table)
(modify-syntax-entry ?< "." awk-mode-syntax-table)
(modify-syntax-entry ?> "." awk-mode-syntax-table)
(modify-syntax-entry ?& "." awk-mode-syntax-table)
(modify-syntax-entry ?| "." awk-mode-syntax-table)
(modify-syntax-entry ?_ "_" awk-mode-syntax-table)
(modify-syntax-entry ?\' "\"" awk-mode-syntax-table))
(defvar awk-mode-abbrev-table nil
"Abbrev table in use in Awk-mode buffers.")
(define-abbrev-table 'awk-mode-abbrev-table ())
;; Regexps written with help from Peter Galbraith <galbraith@mixing.qc.dfo.ca>.
(defconst awk-font-lock-keywords
(eval-when-compile
(list
;;
;; Function names.
'("^[ \t]*\\(function\\)\\>[ \t]*\\(\\sw+\\)?"
(1 font-lock-keyword-face) (2 font-lock-function-name-face nil t))
;;
;; Variable names.
(cons (concat "\\<\\("
; ("ARGC" "ARGIND" "ARGV" "CONVFMT" "ENVIRON" "ERRNO"
; "FIELDWIDTHS" "FILENAME" "FNR" "FS" "IGNORECASE" "NF" "NR"
; "OFMT" "OFS" "ORS" "RLENGTH" "RS" "RSTART" "SUBSEP")
"ARG\\([CV]\\|IND\\)\\|CONVFMT\\|E\\(NVIRON\\|RRNO\\)\\|"
"F\\(I\\(ELDWIDTHS\\|LENAME\\)\\|NR\\|S\\)\\|IGNORECASE\\|"
"N[FR]\\|O\\(F\\(MT\\|S\\)\\|RS\\)\\|"
"R\\(LENGTH\\|S\\(\\|TART\\)\\)\\|SUBSEP"
"\\)\\>")
'font-lock-variable-name-face)
;;
;; Keywords.
(concat "\\<\\("
; ("BEGIN" "END" "break" "continue" "delete" "exit" "for"
; "getline" "if" "next" "print" "printf" "return" "while")
"BEGIN\\|END\\|break\\|continue\\|delete\\|exit\\|for\\|"
"getline\\|if\\|next\\|printf?\\|return\\|while"
"\\)\\>")
;;
;; Builtins.
(list (concat "\\<\\("
; ("atan2" "close" "cos" "ctime" "exp" "gsub" "index" "int"
; "length" "log" "match" "rand" "sin" "split" "sprintf"
; "sqrt" "srand" "sub" "substr" "system" "time"
; "tolower" "toupper")
"atan2\\|c\\(lose\\|os\\|time\\)\\|exp\\|gsub\\|"
"in\\(dex\\|t\\)\\|l\\(ength\\|og\\)\\|match\\|rand\\|"
"s\\(in\\|p\\(lit\\|rintf\\)\\|qrt\\|rand\\|"
"ub\\(\\|str\\)\\|ystem\\)\\|"
"t\\(ime\\|o\\(lower\\|upper\\)\\)"
"\\)(")
1 'font-lock-builtin-face)
;;
;; Operators. Is this too much?
(cons (mapconcat 'identity
'("&&" "||" "<=" "<" ">=" ">" "==" "!=" "!~" "~")
"\\|")
'font-lock-reference-face)
))
"Default expressions to highlight in AWK mode.")
;;;###autoload
(defun awk-mode ()
"Major mode for editing AWK code.
This is much like C mode except for the syntax of comments. It uses
the same keymap as C mode and has the same variables for customizing
indentation. It has its own abbrev table and its own syntax table.
Turning on AWK mode calls the value of the variable `awk-mode-hook'
with no args, if that value is non-nil."
(interactive)
(kill-all-local-variables)
(require 'cc-mode)
(c-initialize-cc-mode)
(use-local-map c-mode-map)
(setq major-mode 'awk-mode)
(setq mode-name "AWK")
(setq local-abbrev-table awk-mode-abbrev-table)
(set-syntax-table awk-mode-syntax-table)
(make-local-variable 'paragraph-start)
(setq paragraph-start (concat "$\\|" page-delimiter))
(make-local-variable 'paragraph-separate)
(setq paragraph-separate paragraph-start)
(make-local-variable 'paragraph-ignore-fill-prefix)
(setq paragraph-ignore-fill-prefix t)
(make-local-variable 'indent-line-function)
(setq indent-line-function 'c-indent-line)
(make-local-variable 'require-final-newline)
(setq require-final-newline t)
(make-local-variable 'comment-start)
(setq comment-start "# ")
(make-local-variable 'comment-end)
(setq comment-end "")
(make-local-variable 'comment-column)
(setq comment-column 32)
(make-local-variable 'comment-start-skip)
(setq comment-start-skip "#+ *")
(make-local-variable 'comment-indent-function)
(setq comment-indent-function 'c-comment-indent)
(make-local-variable 'parse-sexp-ignore-comments)
(setq parse-sexp-ignore-comments t)
(make-local-variable 'font-lock-defaults)
(setq font-lock-defaults '(awk-font-lock-keywords nil nil ((?_ . "w"))))
(run-hooks 'awk-mode-hook))
(provide 'awk-mode)
;;; awk-mode.el ends here
|