(use-modules (scm safe-utility-defs))
(use-modules (ice-9 optargs))
+(use-modules (srfi srfi-11))
;;; ly:music-property with setter
;;; (ly:music-property my-music 'elements)
(unfold-repeats e)))
music))
+(define-public (unfold-repeats-fully music)
+ "Unfolds repeats and expands the resulting @code{unfolded-repeated-music}."
+ (map-some-music
+ (lambda (m)
+ (and (music-is-of-type? m 'unfolded-repeated-music)
+ (make-sequential-music
+ (ly:music-deep-copy
+ (let loop ((n (ly:music-property m 'repeat-count))
+ (alts (ly:music-property m 'elements))
+ (body (ly:music-property m 'element)))
+ (cond ((<= n 0) '())
+ ((null? alts)
+ (cons body (loop (1- n) alts body)))
+ (else
+ (cons* body (car alts)
+ (loop (1- n)
+ (if (pair? (cdr alts))
+ (cdr alts)
+ alts)
+ body)))))))))
+ (unfold-repeats music)))
+
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; property setting music objs.
(make-music 'PropertyUnset
'symbol sym))
-(define-safe-public (make-articulation name)
- (make-music 'ArticulationEvent
- 'articulation-type name))
+(define-safe-public (make-articulation name . properties)
+ (apply make-music 'ArticulationEvent
+ 'articulation-type name
+ properties))
(define-public (make-lyric-event string duration)
(make-music 'LyricEvent
(else music))))
-(define-public toplevel-music-functions
+(define-session-public toplevel-music-functions
(list
(lambda (music parser) (expand-repeat-chords!
(cons 'rhythmic-event
(map (lambda (x) (ly:music-property x 'pitch))
(event-chord-notes event-chord)))
+(define-public (event-chord-reduce music)
+ "Reduces event chords in @var{music} to their first note event,
+retaining only the chord articulations. Returns the modified music."
+ (map-some-music
+ (lambda (m)
+ (and (music-is-of-type? m 'event-chord)
+ (let*-values (((notes arts) (partition
+ (lambda (mus)
+ (music-is-of-type? mus 'rhythmic-event))
+ (ly:music-property m 'elements)))
+ ((dur) (ly:music-property m 'duration))
+ ((full-arts) (append arts
+ (ly:music-property m 'articulations)))
+ ((first-note) (and (pair? notes) (car notes))))
+ (cond (first-note
+ (set! (ly:music-property first-note 'articulations)
+ full-arts)
+ first-note)
+ ((ly:duration? dur)
+ ;; A repeat chord. Produce an unpitched note.
+ (make-music 'NoteEvent
+ 'duration dur
+ 'articulations full-arts))
+ (else
+ (ly:music-error m (_ "Missing duration"))
+ (make-music 'NoteEvent
+ 'duration (ly:make-duration 2 0 0)
+ 'articulations full-arts))))))
+ music))
+
+
(defmacro-public make-relative (variables reference music)
"The list of pitch or music variables in @var{variables} is used as
a sequence for creating relativable music from @var{music}.