;;; awk-mode.el --- AWK code editing commands for Emacs
-;; Copyright (C) 1988, 1994, 1996 Free Software Foundation, Inc.
+;; Copyright (C) 1988,94,96,2000 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: unix, languages
(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+\\)?"
+ '("^[ \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"
- "\\)\\>")
+ (cons (regexp-opt
+ '("ARGC" "ARGIND" "ARGV" "CONVFMT" "ENVIRON" "ERRNO"
+ "FIELDWIDTHS" "FILENAME" "FNR" "FS" "IGNORECASE" "NF" "NR"
+ "OFMT" "OFS" "ORS" "RLENGTH" "RS" "RSTART" "SUBSEP") 'words)
'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\\|else\\|for\\|"
- "getline\\|if\\|next\\|printf?\\|return\\|while"
- "\\)\\>")
+ (regexp-opt
+ '("BEGIN" "END" "break" "continue" "delete" "exit" "else" "for"
+ "getline" "if" "next" "print" "printf" "return" "while") 'words)
;;
;; 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\\)\\)"
- "\\)(")
+ (list (regexp-opt
+ '("atan2" "close" "cos" "ctime" "exp" "gsub" "index" "int"
+ "length" "log" "match" "rand" "sin" "split" "sprintf"
+ "sqrt" "srand" "sub" "substr" "system" "time"
+ "tolower" "toupper") 'words)
1 'font-lock-builtin-face)
;;
;; Operators. Is this too much?
- (cons (mapconcat 'identity
- '("&&" "||" "<=" "<" ">=" ">" "==" "!=" "!~" "~")
- "\\|")
+ (cons (regexp-opt '("&&" "||" "<=" "<" ">=" ">" "==" "!=" "!~" "~"))
'font-lock-constant-face)
))
"Default expressions to highlight in AWK mode.")
;;;###autoload
-(defun awk-mode ()
+(define-derived-mode awk-mode c-mode "AWK"
"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
+This is much like C mode except for the syntax of comments. Its keymap
+inherits from C mode's and it 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 "$\\|" page-delimiter))
- (make-local-variable 'paragraph-separate)
- (setq paragraph-separate paragraph-start)
- (make-local-variable 'paragraph-ignore-fill-prefix)
- (setq paragraph-ignore-fill-prefix t)
- (make-local-variable 'indent-line-function)
- (setq indent-line-function 'c-indent-line)
- (make-local-variable 'require-final-newline)
- (setq require-final-newline t)
- (make-local-variable 'comment-start)
- (setq comment-start "# ")
- (make-local-variable 'comment-end)
- (setq comment-end "")
- (make-local-variable 'comment-start-skip)
- (setq comment-start-skip "#+ *")
- (make-local-variable 'comment-indent-function)
- (setq comment-indent-function 'c-comment-indent)
- (make-local-variable 'parse-sexp-ignore-comments)
- (setq parse-sexp-ignore-comments t)
- (make-local-variable 'font-lock-defaults)
- (setq font-lock-defaults '(awk-font-lock-keywords nil nil ((?_ . "w"))))
- (run-hooks 'awk-mode-hook))
+Turning on AWK mode runs `awk-mode-hook'."
+ (set (make-local-variable 'paragraph-start) (concat "$\\|" page-delimiter))
+ (set (make-local-variable 'paragraph-separate) paragraph-start)
+ (set (make-local-variable 'comment-start) "# ")
+ (set (make-local-variable 'comment-end) "")
+ (set (make-local-variable 'comment-start-skip) "#+ *")
+ (setq font-lock-defaults '(awk-font-lock-keywords nil nil ((?_ . "w")))))
(provide 'awk-mode)