;; * Emacs-mode: new keywords, reserved words, identifiers, notenames,
;; some dynamics and brackets are font-lock-keywords
;; * File lilypond.words gives keywords, identifiers and reserved words
+;; * context-dependent syntax-tables
;; Author: 1997: Han-Wen Nienhuys
;; Author: 1995-1996 Barry A. Warsaw
;; 1992-1994 Tim Peters
;; Created: Feb 1992
-;; Version: 1.7.18
-;; Last Modified: 6MAY2003
+;; Version: 1.7.25
+;; Last Modified: 20JUL2003
;; Keywords: lilypond languages music notation
;; This software is provided as-is, without express or implied
;; "on top", ... (multiline-)scheme: try find slurs up to 7th
'("[_^-]?#\\(#[ft]\\|-?[0-9.]+\\|\"[^\"]*\"\\|['`]?[a-zA-Z:-]+\\|['`]?([^()]*\\(([^()]*\\(([^()]*\\(([^()]*\\(([^()]*\\(([^()]*\\(([^)]*)[^()]*\\)*)[^()]*\\)*)[^()]*\\)*)[^()]*\\)*)[^()]*\\)*)[^()]*\\)*[^)]*)\\)" 0 font-lock-string-face t)
-;; "on top", ... strings
- '("\\([_^-]?\"\\([^\"\\\\]\\|\\\\.\\|\\\\\n\\)*\"\\)" 0 font-lock-string-face t)
+;; "on top", ... strings, match also unending strings at eof:
+;; if '\n' was not found, it must be '$' which is eof (?).
+ '("\\([_^-]?\"\\([^\"\\\\]\\|\\\\.\\|\\\\\n\\)*\\(\"\\|$\\)\\)" 0 font-lock-string-face t)
;; "on top", ... (multiline-)comments
'("\\(%\\({[^%]*%\\(}\\|\\([^}][^%]*%\\)+}\\)\\|.*\\)\\)" 0 font-lock-comment-face t)
(defvar LilyPond-mode-syntax-table nil
"Syntax table used in `LilyPond-mode' buffers.")
-(if LilyPond-mode-syntax-table
- ()
+(defun LilyPond-mode-set-syntax-table (&optional not-punct)
+ "Change syntax table according to the argument `not-punct' which contains characters which are given a context dependent non-punctuation syntax: parentheses may be set to parenthesis syntax and characters `-', `^' and `_' may be set to escape syntax."
+ (if (not not-punct) (setq not-punct '()))
(setq LilyPond-mode-syntax-table (make-syntax-table))
- ;; NOTE: Emacs knows only "13"-style (used), XEmacs knows also "1b3b", etc.
- (mapcar (function
- (lambda (x) (modify-syntax-entry
- (car x) (cdr x) LilyPond-mode-syntax-table)))
+ (let ((defaults
'(
- ;; also '['- and ']'-slurs are handled by lilypond-indent.el
- ;( ?\[ . "(]" ) ( ?\] . ")[" )
- ;; all the paren characters are now handled by
- ;; lily-specific indenting/matching code in lilypond-indent.el
- ( ?\[ . "." ) ( ?\] . "." )
- ( ?\( . "." ) ( ?\) . "." )
- ( ?\< . "." ) ( ?\> . ".")
- ( ?\{ . ". 2" ) ; also 2nd char in begin of block-comment
- ( ?\} . ". 4" ) ; also 2nd char in end of block-comment
- ( ?\% . "< 13" ) ; comment starter, 1st char in block-comments
+ ;; NOTE: Emacs knows only "13"-style (used), XEmacs knows also "1b3b", etc.
+ ( ?\% . "< 13" ) ; comment starter, 1st char in block-comments
( ?\n . ">") ; newline: comment ender
( ?\r . ">") ; formfeed: comment ender
( ?\\ . "\\" ) ; escape characters (as '\n' in strings)
( ?\$ . "." ) ( ?\& . "." )
( ?\* . "." ) ( ?\+ . "." ) ( ?\/ . "." ) ( ?\= . "." )
( ?\| . "." ) ; bar line
- ( ?\- . "." ) ( ?\_ . "." ) ( ?\^ . "." ) ; accent positioners
- ))
- )
-
+ )))
+ ;; all the paren characters are now handled by lily-specific indenting/matching code in lilypond-indent.el
+ (if (or (memq ?\{ not-punct) (memq ?\} not-punct))
+ (setq defaults (cons '( ?\{ . "(} 2" ) (cons '( ?\} . "){ 4" ) defaults))) ; begin and end of a block-comment
+ (setq defaults (cons '( ?\{ . ". 2" ) (cons '( ?\} . ". 4" ) defaults)))) ; begin and end of a block-comment
+ (if (or (memq ?\[ not-punct) (memq ?\] not-punct))
+ (setq defaults (cons '( ?\[ . "(]" ) (cons '( ?\] . ")[" ) defaults)))
+ (setq defaults (cons '( ?\[ . "." ) (cons '( ?\] . "." ) defaults))))
+ (if (or (memq ?\< not-punct) (memq ?\> not-punct))
+ (setq defaults (cons '( ?\< . "(>" ) (cons '( ?\> . ")<" ) defaults)))
+ (setq defaults (cons '( ?\< . "." ) (cons '( ?\> . "." ) defaults))))
+ (if (or (memq ?\( not-punct) (memq ?\) not-punct))
+ (setq defaults (cons '( ?\( . "()" ) (cons '( ?\) . ")(" ) defaults)))
+ (setq defaults (cons '( ?\( . "." ) (cons '( ?\) . "." ) defaults))))
+ ;; In LilyPond the following chars serve as escape chars, e.g., c^> d-) e_( ,
+ ;; but they may be set to punctuation chars, since inside strings they should not act as escape chars
+ (setq defaults (cons (if (memq ?\- not-punct) '( ?\- . "\\" ) '( ?\- . "." ) ) defaults))
+ (setq defaults (cons (if (memq ?\^ not-punct) '( ?\^ . "\\" ) '( ?\^ . "." ) ) defaults))
+ (setq defaults (cons (if (memq ?\_ not-punct) '( ?\_ . "\\" ) '( ?\_ . "." ) ) defaults))
+ (mapcar (function
+ (lambda (x) (modify-syntax-entry
+ (car x) (cdr x) LilyPond-mode-syntax-table)))
+ defaults)
+ (set-syntax-table LilyPond-mode-syntax-table)))
+
+(defun LilyPond-mode-context-set-syntax-table ()
+ "Change syntax table according to current context."
+ (interactive)
+ ;; default syntax table sets parentheses to punctuation characters
+ (LilyPond-mode-set-syntax-table)
+ ;; find current context
+ (setq context (parse-partial-sexp (point-min) (point)))
+ (cond ((nth 3 context)) ; inside string
+ ((nth 4 context)) ; inside a comment
+ ((eq (char-syntax (char-before (point))) ?\\)) ; found escape-char
+ ((and (eq (char-syntax (char-before (- (point) 1))) ?\\)
+ (memq (char-before (point)) '( ?\) ?\] )))) ; found escape-char
+ ((memq (char-before (point)) '( ?\) ))
+ (LilyPond-mode-set-syntax-table '( ?\( ?\) )))
+ ((memq (char-before (point)) '( ?\] ))
+ (LilyPond-mode-set-syntax-table '( ?\[ ?\] )))
+ ((memq (char-before (point)) '( ?\> ?\} ))
+ (LilyPond-mode-set-syntax-table '( ?\< ?\> ?\{ ?\} ?\^ ?\- ?\_ )))
+ ((memq (char-after (point)) '( ?\( ))
+ (LilyPond-mode-set-syntax-table '( ?\( ?\) )))
+ ((memq (char-after (point)) '( ?\[ ))
+ (LilyPond-mode-set-syntax-table '( ?\[ ?\] )))
+ ((memq (char-after (point)) '( ?\< ?\{ ))
+ (LilyPond-mode-set-syntax-table '( ?\< ?\> ?\{ ?\} ?\^ ?\- ?\_ )))
+ ))
projects / lilypond.git / blobdiff