":"
(number->string (ly-get-mus-property mus 'denominator))
))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(define (shift-duration-log music shift )
+ "Recurse through music, adding SHIFT to duration-log to any note
+encountered. This scales the music up by a factor 2^k."
+ (let* ((es (ly-get-mus-property music 'elements))
+ (e (ly-get-mus-property music 'element))
+ (n (ly-music-name music))
+ (f (lambda (x) (shift-duration-log x shift)))
+ )
+ (if (or (equal? n "Note_req")
+ (equal? n "Rest_req"))
+ (let* (
+ (d (ly-get-mus-property music 'duration))
+ (cp (duration-factor d))
+ (nd (make-duration (+ shift (duration-log d))
+ (duration-dot-count d)
+ (car cp)
+ (cdr cp)))
+
+ )
+ (ly-set-mus-property! music 'duration nd)
+ ))
+
+ (if (pair? es)
+ (ly-set-mus-property!
+ music 'elements
+ (map f es)))
+
+ (if (music? e)
+ (ly-set-mus-property!
+ music 'element
+ (f e)))
+
+ music))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(define (unfold-repeats music)
"
This function replaces all repeats with unfold repeats. It was
written by Rune Zedeler. "
(let* ((es (ly-get-mus-property music 'elements))
(e (ly-get-mus-property music 'element))
- (body (ly-get-mus-property music 'body))
- (alts (ly-get-mus-property music 'alternatives))
(n (ly-music-name music)))
(if (equal? n "Repeated_music")
(begin
- (ly-set-mus-property
+ (if (equal? (ly-get-mus-property 'type music) 'tremolo)
+ (shift-duration-log music (- (intlog2 (ly-get-mus-property 'repeat-count music))))
+ )
+ (ly-set-mus-property!
music 'length Repeated_music::unfolded_music_length)
- (ly-set-mus-property
+ (ly-set-mus-property!
+ music 'start-moment-function Repeated_music::first_start)
+ (ly-set-mus-property!
music 'iterator-ctor Unfolded_repeat_iterator::constructor)))
(if (pair? es)
- (ly-set-mus-property
+ (ly-set-mus-property!
music 'elements
(map unfold-repeats es)))
- (if (music? alts)
- (ly-set-mus-property
- music 'alternatives
- (unfold-repeats alts)))
-
- (if (music? body)
- (ly-set-mus-property
- music 'body
- (unfold-repeats body)))
-
(if (music? e)
- (ly-set-mus-property
+ (ly-set-mus-property!
music 'element
(unfold-repeats e)))
-
music))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
(define (pitchify-scripts music)
"Copy the pitch fields of the Note_requests into Text_script_requests, to aid
Fingering_engraver."
)
(if pitch
- (map (lambda (x) (ly-set-mus-property x 'pitch pitch)) (find-scripts es))
+ (map (lambda (x) (ly-set-mus-property! x 'pitch pitch)) (find-scripts es))
)
(if (pair? es)
- (ly-set-mus-property
+ (ly-set-mus-property!
music 'elements
(map pitchify-scripts es)))
(if (music? e)
- (ly-set-mus-property
+ (ly-set-mus-property!
music 'element
(pitchify-scripts e)))
music))
+
+
+;;;;;;;;;;;;;;;;;
+;;;;;;;;;;;;;;;;
+;;;;;;;;;;;;;;;;
+
+
+(define (make-grob-property-set grob gprop val)
+ "Make a M-exp that sets GPROP to VAL in GROBS. Does a pop first, i.e.
+this is not an override
+"
+
+ (let* ((m (ly-make-music "Music")))
+ (ly-set-mus-property! m 'iterator-ctor Push_property_iterator::constructor)
+ (ly-set-mus-property! m 'symbol grob)
+ (ly-set-mus-property! m 'grob-property gprop)
+ (ly-set-mus-property! m 'grob-value val)
+ (ly-set-mus-property! m 'pop-first #t)
+
+ m
+
+ ))
+
+(define (make-grob-property-revert grob gprop)
+ "Revert the grob property GPROP for GROB."
+ (let* ((m (ly-make-music "Music")))
+ (ly-set-mus-property! m 'iterator-ctor Pop_property_iterator::constructor)
+ (ly-set-mus-property! m 'symbol grob)
+ (ly-set-mus-property! m 'grob-property gprop)
+
+ m
+
+ ))
+
+(define (make-voice-props-set n)
+ (make-sequential-music
+ (append
+ (map (lambda (x) (make-grob-property-set x 'direction
+ (if (odd? n) -1 1)))
+ '(Tie Slur Stem Dots))
+ (list (make-grob-property-set 'NoteColumn 'horizontal-shift (quotient n 2)))
+ )
+ ))
+
+(define (make-voice-props-revert)
+ (make-sequential-music
+ (list
+ (make-grob-property-revert 'Tie 'direction)
+ (make-grob-property-revert 'Dots 'direction)
+ (make-grob-property-revert 'Stem 'direction)
+ (make-grob-property-revert 'Slur 'direction)
+ (make-grob-property-revert 'NoteColumn 'horizontal-shift)
+ ))
+ )
+
+(define (context-spec-music m context . rest)
+ "Add \context CONTEXT = foo to M. "
+
+ (let* ((cm (ly-make-music "Context_specced_music")))
+ (ly-set-mus-property! cm 'element m)
+ (ly-set-mus-property! cm 'context-type context)
+ (if (and (pair? rest) (string? (car rest)))
+ (ly-set-mus-property! cm 'context-id (car rest))
+ )
+ cm
+ ))
+
+(define (make-sequential-music elts)
+ (let* ((m (ly-make-music "Sequential_music")))
+ (ly-set-mus-property! m 'elements elts)
+ m
+ ))
+(define (make-simultaneous-music elts)
+ (let* ((m (ly-make-music "Simultaneous_music")))
+ (ly-set-mus-property! m 'elements elts)
+ m
+ ))
+(define (music-separator? m)
+ "Is M a separator."
+ (let* ((n (ly-get-mus-property m 'name )))
+ (and (symbol? n) (equal? 'separator n))
+ ))
+
+(define (split-one sep? l acc)
+ "Split off the first parts before separator and return both parts.
+
+"
+ (if (null? l)
+ (cons acc '())
+ (if (sep? (car l))
+ (cons acc (cdr l))
+ (split-one sep? (cdr l) (cons (car l) acc))
+ )
+ ))
+
+(define (split-list l sep?)
+ (if (null? l)
+ '()
+ (let* ((c (split-one sep? l '())))
+ (cons (reverse! (car c) '()) (split-list (cdr c) sep?))
+ )
+ )
+ )
+
+;; test code
+; (display (split-list '(a b c / d e f / g) (lambda (x) (equal? x '/))) )
+
+
+;;; splitting chords into voices.
+
+(define (voicify-list lst number)
+ "Make a list of Musics.
+
+ voicify-list :: [ [Music ] ] -> number -> [Music]
+ LST is a list music-lists.
+"
+
+ (if (null? lst) '()
+ (cons (context-spec-music
+ (make-sequential-music
+ (list
+ (make-voice-props-set number)
+ (make-simultaneous-music (car lst))))
+
+ "Voice" (number->string number))
+ (voicify-list (cdr lst) (+ number 1))
+ ))
+ )
+
+(define (voicify-chord ch)
+ "Split the parts of a chord into different Voices using separator"
+ (let* ((es (ly-get-mus-property ch 'elements)))
+
+
+ (ly-set-mus-property! ch 'elements
+ (voicify-list (split-list es music-separator?) 0))
+ ch
+ ))
+
+(define (voicify-music m)
+ "Recursively split chords that are separated with \\ "
+
+ (if (not (music? m))
+ (begin (display m)
+ (error "not music!"))
+ )
+ (let*
+ ((es (ly-get-mus-property m 'elements))
+ (e (ly-get-mus-property m 'element))
+ )
+ (if (pair? es)
+ (ly-set-mus-property! m 'elements (map voicify-music es)))
+ (if (music? e)
+ (ly-set-mus-property! m 'element (voicify-music e)))
+ (if
+ (and (equal? (ly-music-name m) "Simultaneous_music")
+ (reduce (lambda (x y ) (or x y)) (map music-separator? es)))
+ (voicify-chord m)
+ )
+
+ m
+ ))
+
+;;;
+
+;;;;;;;;;;;;;;;;
+;;;;;;;;;;;;;;;;
+
+(define (has-request-chord elts)
+ (reduce (lambda (x y) (or x y)) (map (lambda (x) (equal? (ly-music-name x)
+ "Request_chord")) elts)
+ ))
+
+(define (ly-music-message music msg)
+ (let* (
+ (ip (ly-get-mus-property music 'origin))
+ )
+
+ (if (ly-input-location? ip)
+ (ly-input-message ip msg)
+ (ly-warn msg))
+ ))
+
+(define (check-start-chords music)
+ "Check music expression for a Simultaneous_music containing notes\n(ie. Request_chords), without context specification. Called from parser."
+
+ (let*
+ ((es (ly-get-mus-property music 'elements))
+ (e (ly-get-mus-property music 'element))
+ (name (ly-music-name music))
+ )
+
+ (cond
+ ((equal? name "Context_specced_music") #t)
+ ((equal? name "Simultaneous_music")
+
+ (if (has-request-chord es)
+ (ly-music-message music "Starting score with a chord.\nPlease insert an explicit \\context before chord")
+ (map check-start-chords es)))
+
+ ((equal? name "Sequential_music")
+ (if (pair? es)
+ (check-start-chords (car es))))
+ (else (if (music? e) (check-start-chords e )))
+
+ ))
+ music
+ )
+
+
+(define toplevel-music-functions (list check-start-chords voicify-music))
projects / lilypond.git / blobdiff