;;;; This file is part of LilyPond, the GNU music typesetter.
;;;;
-;;;; Copyright (C) 2006--2011 Erik Sandberg <mandolaerik@gmail.com>
+;;;; Copyright (C) 2006--2012 Erik Sandberg <mandolaerik@gmail.com>
;;;;
;;;; LilyPond is free software: you can redistribute it and/or modify
;;;; it under the terms of the GNU General Public License as published by
m)))
;; Music function: Apply function and check return value.
-(define-ly-syntax-loc (music-function parser loc fun args)
- (let ((m (apply fun (cons* parser loc args))))
- (if (ly:music? m)
- m
+;; args are in reverse order, rest may specify additional ones
+;;
+;; If args is not a proper list, an error has been flagged earlier
+;; and no fallback value had been available. In this case,
+;; we don't call the function but rather return the general
+;; fallback.
+(define-ly-syntax (music-function parser loc fun args . rest)
+ (let* ((sig (ly:music-function-signature fun))
+ (pred (if (pair? (car sig)) (caar sig) (car sig)))
+ (good (proper-list? args))
+ (m (and good (apply (ly:music-function-extract fun)
+ parser loc (reverse! args rest)))))
+ (if (and good (pred m))
(begin
- (ly:parser-error parser (_ "Music head function must return Music object") loc)
- (make-music 'Music)))))
+ (if (ly:music? m)
+ (set! (ly:music-property m 'origin) loc))
+ m)
+ (begin
+ (if good
+ (ly:parser-error parser
+ (format #f (_ "~a function cannot return ~a")
+ (type-name pred) m)
+ loc))
+ (and (pair? (car sig)) (cdar sig))))))
+
+(define-ly-syntax (argument-error parser location n pred arg)
+ (ly:parser-error
+ parser
+ (format #f
+ (_ "wrong type for argument ~a. Expecting ~a, found ~s")
+ n (type-name pred) arg)
+ location))
(define-ly-syntax-simple (void-music)
(make-music 'Music))
(define-ly-syntax-simple (bar-check)
(make-music 'BarCheck))
-(define-ly-syntax-simple (time-scaled-music fraction music)
- (make-music 'TimeScaledMusic
- 'element (ly:music-compress music (ly:make-moment (car fraction) (cdr fraction)))
- 'numerator (car fraction)
- 'denominator (cdr fraction)))
-
-(define-ly-syntax-simple (transpose-music pitch music)
- (make-music 'TransposedMusic
- 'element (ly:music-transpose music pitch)))
-
(define-ly-syntax (tempo parser location text . rest)
(let* ((unit (and (pair? rest)
(car rest)))
(make-sequential-music (list tempo-change tempo-set))
tempo-change)))
-(define-ly-syntax-simple (skip-music dur)
- (make-music 'SkipMusic
- 'duration dur))
-
(define-ly-syntax-simple (repeat type num body alts)
(make-repeat type num body alts))
'duration duration
'origin location))
-(define-ly-syntax (repetition-chord parser location previous-chord repetition-function duration articulations)
- (make-music 'RepeatedChord
- 'original-chord previous-chord
- 'element (repetition-function previous-chord location duration articulations)
+(define-ly-syntax (repetition-chord parser location duration articulations)
+ (make-music 'EventChord
+ 'duration duration
+ 'elements articulations
'origin location))
-(define-ly-syntax-simple (context-specification type id mus ops create-new)
+(define-ly-syntax-simple (context-specification type id ops create-new mus)
(let* ((type-sym (if (symbol? type) type (string->symbol type)))
(csm (context-spec-music mus type-sym id)))
(set! (ly:music-property csm 'property-operations) ops)
(if create-new (set! (ly:music-property csm 'create-new) #t))
csm))
-(define-ly-syntax (property-operation parser location once ctx music-type symbol . args)
+(define-ly-syntax (property-operation parser location ctx music-type symbol . args)
(let* ((props (case music-type
((PropertySet) (list 'value (car args)))
((PropertyUnset) '())
(list 'grob-property-path (car args))
(list 'grob-property-path args)))
(else (ly:error (_ "Invalid property operation ~a") music-type))))
- (oprops (if once (cons* 'once once props) props))
(m (apply make-music music-type
'symbol symbol
'origin location
- oprops)))
+ props)))
(make-music 'ContextSpeccedMusic
'element m
'context-type ctx
(set! unique-counter (1+ unique-counter))
(call-with-output-string (lambda (p) (format p "uniqueContext~s" unique-counter))))
+(define-ly-syntax-simple (lyric-event text duration)
+ (make-lyric-event text duration))
+
(define (lyric-combine-music sync music loc)
;; CompletizeExtenderEvent is added following the last lyric in MUSIC
;; to signal to the Extender_engraver that any pending extender should
'origin loc)))
addlyrics-list)))
(make-simultaneous-music (cons voice lyricstos))))
-
-(define-ly-syntax (make-mark-set parser location label)
- "Make the music for the \\mark command."
- (let* ((set (and (integer? label)
- (context-spec-music (make-property-set 'rehearsalMark label)
- 'Score)))
- (ev (make-music 'MarkEvent))
- (ch (make-event-chord (list ev))))
-
- (set! (ly:music-property ev 'origin) location)
- (if set
- (make-sequential-music (list set ch))
- (begin
- (set! (ly:music-property ev 'label) label)
- ch))))
-
-(define-ly-syntax (partial parser location dur)
- "Make a partial measure."
-
- ;; We use `descend-to-context' here instead of `context-spec-music' to
- ;; ensure \partial still works if the Timing_translator is moved
- (descend-to-context
- (context-spec-music (make-music 'PartialSet
- 'origin location
- 'partial-duration dur)
- 'Timing)
- 'Score))
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