-;;; scheme.el --- Scheme (and DSSSL) editing mode.
+;;; scheme.el --- Scheme (and DSSSL) editing mode
;; Copyright (C) 1986, 87, 88, 97, 1998 Free Software Foundation, Inc.
\f
(require 'lisp-mode)
-(defvar scheme-mode-syntax-table nil)
-(if (not scheme-mode-syntax-table)
- (let ((i 0))
- (setq scheme-mode-syntax-table (make-syntax-table))
- (set-syntax-table scheme-mode-syntax-table)
-
- ;; Default is atom-constituent.
- (while (< i 256)
- (modify-syntax-entry i "_ ")
- (setq i (1+ i)))
-
- ;; Word components.
- (setq i ?0)
- (while (<= i ?9)
- (modify-syntax-entry i "w ")
- (setq i (1+ i)))
- (setq i ?A)
- (while (<= i ?Z)
- (modify-syntax-entry i "w ")
- (setq i (1+ i)))
- (setq i ?a)
- (while (<= i ?z)
- (modify-syntax-entry i "w ")
- (setq i (1+ i)))
-
- ;; Whitespace
- (modify-syntax-entry ?\t " ")
- (modify-syntax-entry ?\n "> ")
- (modify-syntax-entry ?\f " ")
- (modify-syntax-entry ?\r " ")
- (modify-syntax-entry ? " ")
-
- ;; These characters are delimiters but otherwise undefined.
- ;; Brackets and braces balance for editing convenience.
- (modify-syntax-entry ?\[ "(] ")
- (modify-syntax-entry ?\] ")[ ")
- (modify-syntax-entry ?{ "(} ")
- (modify-syntax-entry ?} "){ ")
- (modify-syntax-entry ?\| " 23")
-
- ;; Other atom delimiters
- (modify-syntax-entry ?\( "() ")
- (modify-syntax-entry ?\) ")( ")
- (modify-syntax-entry ?\; "< ")
- (modify-syntax-entry ?\" "\" ")
- (modify-syntax-entry ?' " p")
- (modify-syntax-entry ?` " p")
-
- ;; Special characters
- (modify-syntax-entry ?, "_ p")
- (modify-syntax-entry ?@ "_ p")
- (modify-syntax-entry ?# "_ p14")
- (modify-syntax-entry ?\\ "\\ ")))
+(defvar scheme-mode-syntax-table
+ (let ((st (make-syntax-table))
+ (i 0))
+
+ ;; Default is atom-constituent.
+ (while (< i 256)
+ (modify-syntax-entry i "_ " st)
+ (setq i (1+ i)))
+
+ ;; Word components.
+ (setq i ?0)
+ (while (<= i ?9)
+ (modify-syntax-entry i "w " st)
+ (setq i (1+ i)))
+ (setq i ?A)
+ (while (<= i ?Z)
+ (modify-syntax-entry i "w " st)
+ (setq i (1+ i)))
+ (setq i ?a)
+ (while (<= i ?z)
+ (modify-syntax-entry i "w " st)
+ (setq i (1+ i)))
+
+ ;; Whitespace
+ (modify-syntax-entry ?\t " " st)
+ (modify-syntax-entry ?\n "> " st)
+ (modify-syntax-entry ?\f " " st)
+ (modify-syntax-entry ?\r " " st)
+ (modify-syntax-entry ? " " st)
+
+ ;; These characters are delimiters but otherwise undefined.
+ ;; Brackets and braces balance for editing convenience.
+ (modify-syntax-entry ?\[ "(] " st)
+ (modify-syntax-entry ?\] ")[ " st)
+ (modify-syntax-entry ?{ "(} " st)
+ (modify-syntax-entry ?} "){ " st)
+ (modify-syntax-entry ?\| " 23" st)
+
+ ;; Other atom delimiters
+ (modify-syntax-entry ?\( "() " st)
+ (modify-syntax-entry ?\) ")( " st)
+ (modify-syntax-entry ?\; "< " st)
+ (modify-syntax-entry ?\" "\" " st)
+ (modify-syntax-entry ?' "' " st)
+ (modify-syntax-entry ?` "' " st)
+
+ ;; Special characters
+ (modify-syntax-entry ?, "' " st)
+ (modify-syntax-entry ?@ "' " st)
+ (modify-syntax-entry ?# "' 14" st)
+ (modify-syntax-entry ?\\ "\\ " st)
+ st))
\f
(defvar scheme-mode-abbrev-table nil)
(define-abbrev-table 'scheme-mode-abbrev-table ())
(setq font-lock-defaults
'((scheme-font-lock-keywords
scheme-font-lock-keywords-1 scheme-font-lock-keywords-2)
- nil t (("+-*/.<>=!?$%_&~^:" . "w")) beginning-of-defun
- (font-lock-mark-block-function . mark-defun))))
+ nil t (("+-*/.<>=!?$%_&~^:#" . "w")) beginning-of-defun
+ (font-lock-mark-block-function . mark-defun)
+ (font-lock-syntactic-face-function . lisp-font-lock-syntactic-face-function))))
(defvar scheme-mode-line-process "")
"do" "else" "for-each" "if" "lambda"
"let" "let*" "let-syntax" "letrec" "letrec-syntax"
;; Hannes Haug <hannes.haug@student.uni-tuebingen.de> wants:
- "and" "or" "delay"
+ "and" "or" "delay" "force"
;; Stefan Monnier <stefan.monnier@epfl.ch> says don't bother:
;;"quasiquote" "quote" "unquote" "unquote-splicing"
"map" "syntax" "syntax-rules") t)
;; David Fox <fox@graphics.cs.nyu.edu> for SOS/STklos class specifiers.
'("\\<<\\sw+>\\>" . font-lock-type-face)
;;
- ;; Scheme `:' keywords as builtins.
- '("\\<:\\sw+\\>" . font-lock-builtin-face)
+ ;; Scheme `:' and `#:' keywords as builtins.
+ '("\\<#?:\\sw+\\>" . font-lock-builtin-face)
)))
"Gaudy expressions to highlight in Scheme modes.")
(parse-partial-sexp (point) calculate-lisp-indent-last-sexp 0 t)
(if (and (elt state 2)
(not (looking-at "\\sw\\|\\s_")))
- ;; car of form doesn't seem to be a a symbol
+ ;; car of form doesn't seem to be a symbol
(progn
(if (not (> (save-excursion (forward-line 1) (point))
calculate-lisp-indent-last-sexp))
(put 'let-syntax 'scheme-indent-function 1)
(put 'letrec-syntax 'scheme-indent-function 1)
(put 'syntax-rules 'scheme-indent-function 1)
-
+(put 'syntax-case 'scheme-indent-function 2) ; not r5rs
(put 'call-with-input-file 'scheme-indent-function 1)
(put 'with-input-from-file 'scheme-indent-function 1)
(provide 'scheme)
+;;; arch-tag: a8f06bc1-ad11-42d2-9e36-ce651df37a90
;;; scheme.el ends here