+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; tuplets.
-(define (denominator-tuplet-formatter mus)
- (number->string (ly-get-mus-property mus 'denominator)))
+(define-public (denominator-tuplet-formatter mus)
+ (number->string (ly:get-mus-property mus 'denominator)))
-(define (fraction-tuplet-formatter mus)
- (string-append (number->string (ly-get-mus-property mus 'numerator))
+(define-public (fraction-tuplet-formatter mus)
+ (string-append (number->string (ly:get-mus-property mus 'numerator))
":"
- (number->string (ly-get-mus-property mus 'denominator))
+ (number->string (ly:get-mus-property mus 'denominator))
))
-(define (unfold-repeats music)
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+
+(define-public (shift-duration-log music shift dot)
+ "Recurse through music, adding SHIFT to ly:duration-log and optionally
+ a dot to any note encountered. This scales the music up by a factor
+ 2^shift * (2 - (1/2)^dot)"
+ (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 dot)))
+ )
+
+ ;; FIXME: broken by the great music rename.
+ (if (or (equal? n "Note_req")
+ (equal? n "Rest_req"))
+ (let* (
+ (d (ly:get-mus-property music 'duration))
+ (cp (ly:duration-factor d))
+ (nd (ly:make-duration (+ shift (ly:duration-log d))
+ (+ dot (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 (ly:music? e)
+ (ly:set-mus-property!
+ music 'element
+ (f e)))
+
+ music))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; repeats.
+
+(define-public (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)))
-
+ (let* ((es (ly:get-mus-property music 'elements))
+ (e (ly:get-mus-property music 'element))
+ (n (ly:music-name music)))
+
(if (equal? n "Repeated_music")
(begin
- (ly-set-mus-property
+ (if (equal?
+ (ly:get-mus-property music 'iterator-ctor)
+ Chord_tremolo_iterator::constructor)
+ (shift-duration-log music (ly:intlog2 (ly:get-mus-property music 'repeat-count)) 0)
+ )
+ (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
+ (if (ly:music? e)
+ (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."
(define (find-note musics)
- (filter-list (lambda (m) (equal? (ly-music-name m) "Note_req")) musics)
+ (filter-list (lambda (m) (equal? (ly:music-name m) "Note_req")) musics)
)
(define (find-scripts musics)
- (filter-list (lambda (m) (equal? (ly-music-name m) "Text_script_req")) musics))
+ (filter-list (lambda (m) (equal? (ly:music-name m) "Text_script_req")) musics))
(let* (
- (e (ly-get-mus-property music 'element))
- (es (ly-get-mus-property music 'elements))
+ (e (ly:get-mus-property music 'element))
+ (es (ly:get-mus-property music 'elements))
(notes (find-note es))
- (pitch (if (pair? notes) (ly-get-mus-property (car notes) 'pitch) #f))
+ (pitch (if (pair? notes) (ly:get-mus-property (car notes) 'pitch) #f))
)
(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
+ (if (ly:music? e)
+ (ly:set-mus-property!
music 'element
(pitchify-scripts e)))
music))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; property setting music objs.
+(define-public (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 (make-music-by-name 'OverrideProperty)))
+ (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-public (make-grob-property-revert grob gprop)
+ "Revert the grob property GPROP for GROB."
+ (let* ((m (make-music-by-name 'OverrideProperty)))
+ (ly:set-mus-property! m 'symbol grob)
+ (ly:set-mus-property! m 'grob-property gprop)
+
+ m
+
+ ))
+
+(define-public (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))
+ (make-grob-property-set 'MultiMeasureRest 'staff-position
+ (if (odd? n) -4 4)
+ )
+
+ )
+ )
+ ))
+
+(define-public (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-public (context-spec-music m context . rest)
+ "Add \context CONTEXT = foo to M. "
+
+ (let* ((cm (make-music-by-name 'ContextSpeccedMusic)))
+ (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-public (make-sequential-music elts)
+ (let* ((m (make-music-by-name 'SequentialMusic)))
+ (ly:set-mus-property! m 'elements elts)
+ m
+ ))
+
+(define-public (make-simultaneous-music elts)
+ (let* ((m (make-music-by-name 'SimultaneousMusic)))
+ (ly:set-mus-property! m 'elements elts)
+ m
+ ))
+
+(define-public (make-event-chord elts)
+ (let* ((m (make-music-by-name 'EventChord)))
+ (ly:set-mus-property! m 'elements elts)
+ m
+ ))
+
+
+(define-public (make-multi-measure-rest duration location)
+ (let*
+ (
+ (start (make-music-by-name 'MultiMeasureRestEvent))
+ (stop (make-music-by-name 'MultiMeasureRestEvent))
+ (skip ( make-music-by-name 'SkipEvent))
+ (ch (make-music-by-name 'BarCheck))
+ (ch2 (make-music-by-name 'BarCheck))
+ )
+
+ (ly:set-mus-property! start 'span-direction START)
+ (ly:set-mus-property! stop 'span-direction STOP)
+ (ly:set-mus-property! skip 'duration duration)
+ (map (lambda (x) (ly:set-mus-property! x 'origin location))
+ (list start stop skip ch ch2))
+ (make-sequential-music
+ (list
+ ch
+ (make-event-chord (list start))
+ (make-event-chord (list skip))
+ (make-event-chord (list stop))
+ ch2
+ ))
+ ))
+
+
+(define-public (make-property-set sym val)
+ (let*
+ (
+ (m (make-music-by-name 'PropertySet))
+ )
+ (ly:set-mus-property! m 'symbol sym)
+ (ly:set-mus-property! m 'value val)
+ m
+ ))
+
+(define-public (make-time-signature-set num den . rest)
+ " Set properties for time signature NUM/DEN.
+Rest can contain a list of beat groupings
+
+"
+
+ (let*
+ (
+ (set1 (make-property-set 'timeSignatureFraction (cons num den) ))
+ (beat (ly:make-moment 1 den))
+ (len (ly:make-moment num den))
+ (set2 (make-property-set 'beatLength beat))
+ (set3 (make-property-set 'measureLength len))
+ (set4 (make-property-set 'beatGrouping (if (pair? rest)
+ (car rest)
+ '())))
+ (basic (list set1 set2 set3 set4))
+
+ )
+
+ (context-spec-music
+ (make-sequential-music basic) "Timing")))
+
+(define-public (set-time-signature num den . rest)
+ (ly:export (apply make-time-signature-set `(,num ,den . ,rest)))
+ )
+
+(define-public (make-penalty-music pen)
+ (let
+ ((m (make-music-by-name 'BreakEvent)))
+ (ly:set-mus-property! m 'penalty pen)
+ m))
+
+(define-public (make-articulation name)
+ (let* (
+ (m (make-music-by-name 'ArticulationEvent))
+ )
+ (ly:set-mus-property! m 'articulation-type name)
+ m
+ ))
+
+(define-public (make-span-event type spandir)
+ (let* (
+ (m (make-music-by-name type))
+ )
+ (ly:set-mus-property! m 'span-direction spandir)
+ m
+ ))
+
+(define-public (set-mus-properties! m alist)
+ "Set all of ALIST as properties of M."
+ (if (pair? alist)
+ (begin
+ (ly:set-mus-property! m (caar alist) (cdar alist))
+ (set-mus-properties! m (cdr alist)))
+ ))
+
+(define-public (music-separator? m)
+ "Is M a separator?"
+ (let* ((ts (ly:get-mus-property m 'types )))
+ (memq 'separator ts)
+ ))
+
+(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-public (split-list l sep?)
+ "
+
+(display (split-list '(a b c / d e f / g) (lambda (x) (equal? x '/))) )
+=>
+ ...
+
+"
+ (if (null? l)
+ '()
+ (let* ((c (split-one sep? l '())))
+ (cons (reverse! (car c) '()) (split-list (cdr c) sep?))
+ )
+ )
+ )
+
+;;; 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 (ly: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 (ly: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-public (empty-music)
+ (ly:export (make-music-by-name 'Music))
+ )
+;;;
+
+; Make a function that checks score element for being of a specific type.
+(define-public (make-type-checker symbol)
+ (lambda (elt)
+ ;;(display symbol)
+ ;;(eq? #t (ly:get-grob-property elt symbol))
+ (not (eq? #f (memq symbol (ly:get-grob-property elt 'interfaces))))))
+
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; warn for bare chords at start.
+
+(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 (ly:music? e) (check-start-chords e )))
+
+ ))
+ music
+ )
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; switch it on here, so parsing and init isn't checked (too slow!)
+
+;; automatic music transformations.
+
+(define (switch-on-debugging m)
+ (set-debug-cell-accesses! 15000)
+ m
+ )
+
+(define-public toplevel-music-functions
+ (list check-start-chords
+ voicify-music
+
+; switch-on-debugging
+ ))
+
+
projects / lilypond.git / blobdiff