-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;;; music-functions.scm --
+;;;;
+;;;; source file of the GNU LilyPond music typesetter
+;;;;
+;;;; (c) 1998--2006 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
+
+;; (use-modules (ice-9 optargs))
+
+;;; ly:music-property with setter
+;;; (ly:music-property my-music 'elements)
+;;; ==> the 'elements property
+;;; (set! (ly:music-property my-music 'elements) value)
+;;; ==> set the 'elements property and return it
+(define-public ly:music-property
+ (make-procedure-with-setter ly:music-property
+ ly:music-set-property!))
+
+
+;; TODO move this
+(define-public ly:grob-property
+ (make-procedure-with-setter ly:grob-property
+ ly:grob-set-property!))
+
+(define-public ly:prob-property
+ (make-procedure-with-setter ly:prob-property
+ ly:prob-set-property!))
(define-public (music-map function music)
- "Apply @var{function} to @var{music} and all of the music it contains. "
- (let* ((es (ly:get-mus-property music 'elements))
- (e (ly:get-mus-property music 'element))
- )
-
- (ly:set-mus-property! music 'elements
- (map (lambda (y) (music-map function y)) es))
- (if (ly:music? e)
- (ly:set-mus-property! music 'element (music-map function e)))
- (function music)
- ))
+ "Apply @var{function} to @var{music} and all of the music it contains.
+
+First it recurses over the children, then the function is applied to MUSIC.
+"
+ (let ((es (ly:music-property music 'elements))
+ (e (ly:music-property music 'element)))
+ (set! (ly:music-property music 'elements)
+ (map (lambda (y) (music-map function y)) es))
+ (if (ly:music? e)
+ (set! (ly:music-property music 'element)
+ (music-map function e)))
+ (function music)))
(define-public (music-filter pred? music)
"Filter out music expressions that do not satisfy PRED."
(define (inner-music-filter pred? music)
"Recursive function."
- (let* ((es (ly:get-mus-property music 'elements))
- (e (ly:get-mus-property music 'element))
- (as (ly:get-mus-property music 'articulations))
+ (let* ((es (ly:music-property music 'elements))
+ (e (ly:music-property music 'element))
+ (as (ly:music-property music 'articulations))
(filtered-as (filter ly:music? (map (lambda (y) (inner-music-filter pred? y)) as)))
(filtered-e (if (ly:music? e)
(inner-music-filter pred? e)
e))
- (filtered-es (filter ly:music? (map (lambda (y) (inner-music-filter pred? y)) es)))
- )
-
- (ly:set-mus-property! music 'element filtered-e)
- (ly:set-mus-property! music 'elements filtered-es)
- (ly:set-mus-property! music 'articulations filtered-as)
-
+ (filtered-es (filter ly:music? (map (lambda (y) (inner-music-filter pred? y)) es))))
+ (set! (ly:music-property music 'element) filtered-e)
+ (set! (ly:music-property music 'elements) filtered-es)
+ (set! (ly:music-property music 'articulations) filtered-as)
;; if filtering emptied the expression, we remove it completely.
- (if (or (pred? music)
+ (if (or (not (pred? music))
(and (eq? filtered-es '()) (not (ly:music? e))
(or (not (eq? es '()))
(ly:music? e))))
(set! music '()))
-
music))
(set! music (inner-music-filter pred? music))
(if (ly:music? music)
music
- (make-music-by-name 'Music) ;must return music.
- ))
-
-(define-public (remove-tag tag)
- (lambda (mus)
- (music-filter
- (lambda (m)
- (let* ((tags (ly:get-mus-property m 'tags))
- (res (memq tag tags)))
- res)) mus)))
+ (make-music 'Music))) ;must return music.
(define-public (display-music music)
"Display music, not done with music-map for clarity of presentation."
(display music)
- (display ": { ")
-
- (let* ((es (ly:get-mus-property music 'elements))
- (e (ly:get-mus-property music 'element))
- )
-
- (display (ly:get-mutable-properties music))
-
- (if (pair? es)
+ (display ": { ")
+ (let ((es (ly:music-property music 'elements))
+ (e (ly:music-property music 'element)))
+ (display (ly:music-mutable-properties music))
+ (if (pair? es)
(begin (display "\nElements: {\n")
(map display-music es)
- (display "}\n")
- ))
-
-
+ (display "}\n")))
(if (ly:music? e)
(begin
(display "\nChild:")
- (display-music e)
- )
- )
- )
+ (display-music e))))
(display " }\n")
- music
- )
-
-
+ music)
+;;;
+;;; A scheme music pretty printer
+;;;
+(define (markup-expression->make-markup markup-expression)
+ "Transform `markup-expression' into an equivalent, hopefuly readable, scheme expression.
+For instance,
+ \\markup \\bold \\italic hello
+==>
+ (markup #:line (#:bold (#:italic (#:simple \"hello\"))))"
+ (define (proc->command-keyword proc)
+ "Return a keyword, eg. `#:bold', from the `proc' function, eg. #<procedure bold-markup (layout props arg)>"
+ (let ((cmd-markup (symbol->string (procedure-name proc))))
+ (symbol->keyword (string->symbol (substring cmd-markup 0 (- (string-length cmd-markup)
+ (string-length "-markup")))))))
+ (define (transform-arg arg)
+ (cond ((and (pair? arg) (markup? (car arg))) ;; a markup list
+ (apply append (map inner-markup->make-markup arg)))
+ ((and (not (string? arg)) (markup? arg)) ;; a markup
+ (inner-markup->make-markup arg))
+ (else ;; scheme arg
+ arg)))
+ (define (inner-markup->make-markup mrkup)
+ (let ((cmd (proc->command-keyword (car mrkup)))
+ (args (map transform-arg (cdr mrkup))))
+ `(,cmd ,@args)))
+ ;; body:
+ (if (string? markup-expression)
+ markup-expression
+ `(markup ,@(inner-markup->make-markup markup-expression))))
+
+(define-public (music->make-music obj)
+ "Generate a expression that, once evaluated, may return an object equivalent to `obj',
+that is, for a music expression, a (make-music ...) form."
+ (cond (;; markup expression
+ (markup? obj)
+ (markup-expression->make-markup obj))
+ (;; music expression
+ (ly:music? obj)
+ `(make-music
+ ',(ly:music-property obj 'name)
+ ,@(apply append (map (lambda (prop)
+ `(',(car prop)
+ ,(music->make-music (cdr prop))))
+ (remove (lambda (prop)
+ (eqv? (car prop) 'origin))
+ (ly:music-mutable-properties obj))))))
+ (;; moment
+ (ly:moment? obj)
+ `(ly:make-moment ,(ly:moment-main-numerator obj)
+ ,(ly:moment-main-denominator obj)
+ ,(ly:moment-grace-numerator obj)
+ ,(ly:moment-grace-denominator obj)))
+ (;; note duration
+ (ly:duration? obj)
+ `(ly:make-duration ,(ly:duration-log obj)
+ ,(ly:duration-dot-count obj)
+ ,(car (ly:duration-factor obj))
+ ,(cdr (ly:duration-factor obj))))
+ (;; note pitch
+ (ly:pitch? obj)
+ `(ly:make-pitch ,(ly:pitch-octave obj)
+ ,(ly:pitch-notename obj)
+ ,(ly:pitch-alteration obj)))
+ (;; scheme procedure
+ (procedure? obj)
+ (or (procedure-name obj) obj))
+ (;; a symbol (avoid having an unquoted symbol)
+ (symbol? obj)
+ `',obj)
+ (;; an empty list (avoid having an unquoted empty list)
+ (null? obj)
+ `'())
+ (;; a proper list
+ (list? obj)
+ `(list ,@(map music->make-music obj)))
+ (;; a pair
+ (pair? obj)
+ `(cons ,(music->make-music (car obj))
+ ,(music->make-music (cdr obj))))
+ (else
+ obj)))
+
+(use-modules (ice-9 pretty-print))
+(define*-public (display-scheme-music obj #:optional (port (current-output-port)))
+ "Displays `obj', typically a music expression, in a friendly fashion,
+which often can be read back in order to generate an equivalent expression.
+
+Returns `obj'.
+"
+ (pretty-print (music->make-music obj) port)
+ (newline)
+ obj)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-(define (shift-one-duration-log music shift dot)
- " add SHIFT to ly:duration-log and optionally
+(define-public (shift-one-duration-log music shift dot)
+ " add SHIFT to duration-log of 'duration in music and optionally
a dot to any note encountered. This scales the music up by a factor
2^shift * (2 - (1/2)^dot)"
-
- (let*
- (
- (d (ly:get-mus-property music 'duration))
- )
+ (let ((d (ly:music-property music 'duration)))
(if (ly:duration? d)
- (let* (
- (cp (ly:duration-factor d))
+ (let* ((cp (ly:duration-factor d))
(nd (ly:make-duration (+ shift (ly:duration-log d))
(+ dot (ly:duration-dot-count d))
(car cp)
- (cdr cp)))
-
- )
- (ly:set-mus-property! music 'duration nd)
- ))
+ (cdr cp))))
+ (set! (ly:music-property music 'duration) nd)))
music))
(define-public (shift-duration-log music shift dot)
(music-map (lambda (x) (shift-one-duration-log x shift dot))
music))
-
+
+(define-public (make-repeat name times main alts)
+ "create a repeat music expression, with all properties initialized properly"
+ (let ((talts (if (< times (length alts))
+ (begin
+ (ly:warning (_ "More alternatives than repeats. Junking excess alternatives"))
+ (take alts times))
+ alts))
+ (r (make-repeated-music name)))
+ (set! (ly:music-property r 'element) main)
+ (set! (ly:music-property r 'repeat-count) (max times 1))
+ (set! (ly:music-property r 'elements) talts)
+ (if (equal? name "tremolo")
+ (let* ((dot? (zero? (modulo times 3)))
+ (dots (if dot? 1 0))
+ (mult (if dot?
+ (quotient (* times 2) 3)
+ times))
+ (shift (- (ly:intlog2 mult))))
+
+ (if (memq 'sequential-music (ly:music-property main 'types))
+ ;; \repeat "tremolo" { c4 d4 }
+ (let ((children (length (ly:music-property main 'elements))))
+ (if (not (= children 2))
+ (ly:warning (_ "expecting 2 elements for chord tremolo, found ~a") children))
+ (ly:music-compress r (ly:make-moment 1 children))
+ (shift-duration-log r (1- shift) dots))
+ ;; \repeat "tremolo" c4
+ (shift-duration-log r shift dots)))
+ r)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; clusters.
(define-public (note-to-cluster music)
"Replace NoteEvents by ClusterNoteEvents."
- (if (eq? (ly:get-mus-property music 'name) 'NoteEvent)
- (let* ((cn (make-music-by-name 'ClusterNoteEvent)))
-
- (ly:set-mus-property! cn 'pitch (ly:get-mus-property music 'pitch))
- (ly:set-mus-property! cn 'duration (ly:get-mus-property music 'duration))
- cn)
+ (if (eq? (ly:music-property music 'name) 'NoteEvent)
+ (make-music 'ClusterNoteEvent
+ 'pitch (ly:music-property music 'pitch)
+ 'duration (ly:music-property music 'duration))
music))
(define-public (notes-to-clusters 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))
- (n (ly:music-name music)))
-
- (if (equal? n "Repeated_music")
- (begin
- (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!
- music 'start-moment-function Repeated_music::first_start)
- (ly:set-mus-property!
- music 'iterator-ctor Unfolded_repeat_iterator::constructor)))
+ "
+This function replaces all repeats with unfold repeats. "
+ (let ((es (ly:music-property music 'elements))
+ (e (ly:music-property music 'element))
+ )
+ (if (memq 'repeated-music (ly:music-property music 'types))
+ (let*
+ ((props (ly:music-mutable-properties music))
+ (old-name (ly:music-property music 'name))
+ (flattened (flatten-alist props)))
+
+ (set! music (apply make-music (cons 'UnfoldedRepeatedMusic
+ flattened)))
+
+ (if (equal? old-name 'TremoloRepeatedMusic)
+ (let* ((seq-arg? (memq 'sequential-music
+ (ly:music-property e 'types)))
+ (count (ly:music-property music 'repeat-count))
+ (dot-shift (if (= 0 (remainder count 3))
+ -1 0)))
+
+ (if (= 0 -1)
+ (set! count (* 2 (quotient count 3))))
+
+ (shift-duration-log music (+ (if seq-arg? 1 0)
+ (ly:intlog2 count)) dot-shift)
+
+ (if seq-arg?
+ (ly:music-compress e (ly:make-moment (length (ly:music-property
+ e 'elements)) 1)))))))
+
+
(if (pair? es)
- (ly:set-mus-property!
- music 'elements
- (map unfold-repeats es)))
-
+ (set! (ly:music-property music 'elements)
+ (map unfold-repeats es)))
(if (ly:music? e)
- (ly:set-mus-property!
- music 'element
- (unfold-repeats e)))
-
+ (set! (ly:music-property music 'element)
+ (unfold-repeats e)))
music))
-
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; property setting music objs.
(define-public (make-grob-property-set grob gprop val)
-
"Make a Music expression that sets GPROP to VAL in GROB. 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-override grob gprop val)
+ (make-music 'OverrideProperty
+ 'symbol grob
+ 'grob-property gprop
+ 'grob-value val
+ 'pop-first #t))
+(define-public (make-grob-property-override grob gprop val)
"Make a Music expression that sets GPROP to VAL in GROB. 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)
-
- m
-
- ))
-
+ (make-music 'OverrideProperty
+ 'symbol grob
+ 'grob-property gprop
+ 'grob-value val))
(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
-
- ))
+ (make-music 'RevertProperty
+ 'symbol grob
+ 'grob-property gprop))
(define direction-polyphonic-grobs
- '(Tie Slur Script TextScript Stem Dots DotColumn))
+ '(Stem Tie Rest Slur PhrasingSlur Script TextScript Dots DotColumn Fingering))
-(define-public (make-voice-props-set n)
+(define-safe-public (make-voice-props-set n)
(make-sequential-music
(append
- (map (lambda (x) (make-grob-property-set x 'direction
- (if (odd? n) -1 1)))
- direction-polyphonic-grobs)
- (list
- (make-grob-property-set 'NoteColumn 'horizontal-shift (quotient n 2))
- (make-grob-property-set 'MultiMeasureRest 'staff-position
- (if (odd? n) -4 4)
- )
-
- )
- )
- ))
+ (map (lambda (x) (make-grob-property-set x 'direction
+ (if (odd? n) -1 1)))
+ direction-polyphonic-grobs)
+ (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)
+(define-safe-public (make-voice-props-revert)
(make-sequential-music
(append
(map (lambda (x) (make-grob-property-revert x 'direction))
direction-polyphonic-grobs)
-
- (list (make-grob-property-revert 'NoteColumn 'horizontal-shift))
- ))
- )
+ (list (make-grob-property-revert 'NoteColumn 'horizontal-shift))
+ (list (make-grob-property-revert 'MultiMeasureRest 'staff-position)))))
-(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-safe-public (context-spec-music m context #:optional id)
+ "Add \\context CONTEXT = ID to M. "
+ (let ((cm (make-music 'ContextSpeccedMusic
+ 'element m
+ 'context-type context)))
+ (if (string? id)
+ (set! (ly:music-property cm 'context-id) id))
+ cm))
-(define-public (make-apply-context func)
- (let*
- ((m (make-music-by-name 'ApplyContext)))
+(define-public (descend-to-context m context)
+ "Like context-spec-music, but only descending. "
+ (let ((cm (context-spec-music m context)))
+ (ly:music-set-property! cm 'descend-only #t)
+ cm))
+
+(define-public (make-non-relative-music mus)
+ (make-music 'UnrelativableMusic
+ 'element mus))
- (ly:set-mus-property! m 'procedure func)
- m
- ))
+(define-public (make-apply-context func)
+ (make-music 'ApplyContext
+ 'procedure func))
(define-public (make-sequential-music elts)
- (let* ((m (make-music-by-name 'SequentialMusic)))
- (ly:set-mus-property! m 'elements elts)
- m
- ))
+ (make-music 'SequentialMusic
+ 'elements elts))
(define-public (make-simultaneous-music elts)
- (let* ((m (make-music-by-name 'SimultaneousMusic)))
- (ly:set-mus-property! m 'elements elts)
- m
- ))
+ (make-music 'SimultaneousMusic
+ 'elements elts))
-(define-public (make-event-chord elts)
- (let* ((m (make-music-by-name 'EventChord)))
- (ly:set-mus-property! m 'elements elts)
- m
- ))
+(define-safe-public (make-event-chord elts)
+ (make-music 'EventChord
+ 'elements elts))
+(define-public (make-skip-music dur)
+ (make-music 'SkipMusic
+ 'duration dur))
-(define-public (make-nonevent-skip dur)
- (let* ((m (make-music-by-name 'NonEventSkip)))
- (ly:set-mus-property! m 'duration dur)
- m
- ))
+(define-public (make-grace-music music)
+ (make-music 'GraceMusic
+ 'element music))
;;;;;;;;;;;;;;;;
;; mmrest
(define-public (make-multi-measure-rest duration location)
- (let*
- (
- (start (make-music-by-name 'MultiMeasureRestEvent))
- (ch (make-music-by-name 'BarCheck))
- (ch2 (make-music-by-name 'BarCheck))
- (seq (make-music-by-name 'MultiMeasureRestMusicGroup))
- )
-
- (map (lambda (x) (ly:set-mus-property! x 'origin location))
- (list start ch ch2 seq))
- (ly:set-mus-property! start 'duration duration)
- (ly:set-mus-property! seq 'elements
- (list
- ch
- (make-event-chord (list start))
- ch2
- ))
-
- seq
- ))
+ (make-music 'MultiMeasureRestMusicGroup
+ 'origin location
+ 'elements (list (make-music 'BarCheck
+ 'origin location)
+ (make-event-chord (list (make-music 'MultiMeasureRestEvent
+ 'origin location
+ 'duration duration)))
+ (make-music 'BarCheck
+ 'origin location))))
(define-public (glue-mm-rest-texts music)
"Check if we have R1*4-\\markup { .. }, and if applicable convert to
a property set for MultiMeasureRestNumber."
-
(define (script-to-mmrest-text script-music)
- "Extract 'direction and 'text from SCRIPT-MUSIC, and transform into property sets."
-
- (let*
- (
- (text (ly:get-mus-property script-music 'text))
- (dir (ly:get-mus-property script-music 'direction))
- (p (make-music-by-name 'MultiMeasureTextEvent))
- )
-
+ "Extract 'direction and 'text from SCRIPT-MUSIC, and transform MultiMeasureTextEvent"
+ (let ((dir (ly:music-property script-music 'direction))
+ (p (make-music 'MultiMeasureTextEvent
+ 'text (ly:music-property script-music 'text))))
(if (ly:dir? dir)
- (ly:set-mus-property! p 'direction dir))
- (ly:set-mus-property! p 'text text)
- p
- ))
+ (set! (ly:music-property p 'direction) dir))
+ p))
- (if (eq? (ly:get-mus-property music 'name) 'MultiMeasureRestMusicGroup)
- (let*
- (
- (text? (lambda (x) (memq 'script-event (ly:get-mus-property x 'types))))
- (es (ly:get-mus-property music 'elements))
- (texts (map script-to-mmrest-text (filter text? es)))
- (others (remove text? es))
- )
- (if (pair? texts)
- (ly:set-mus-property!
- music 'elements
- (cons (make-event-chord texts) others)
- ))
- ))
- music
- )
+ (if (eq? (ly:music-property music 'name) 'MultiMeasureRestMusicGroup)
+ (let* ((text? (lambda (x) (memq 'script-event (ly:music-property x 'types))))
+ (event? (lambda (x) (memq 'event (ly:music-property x 'types))))
+ (group-elts (ly:music-property music 'elements))
+ (texts '())
+ (events '())
+ (others '()))
+
+ (set! texts
+ (map script-to-mmrest-text (filter text? group-elts)))
+ (set! group-elts
+ (remove text? group-elts))
+
+ (set! events (filter event? group-elts))
+ (set! others (remove event? group-elts))
+
+ (if (or (pair? texts) (pair? events))
+ (set! (ly:music-property music 'elements)
+ (cons (make-event-chord
+ (append texts events))
+ others)))
+ ))
-(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
- ))
+ music)
+(define-public (make-property-set sym val)
+ (make-music 'PropertySet
+ 'symbol sym
+ 'value val))
(define-public (make-ottava-set octavation)
- (let*
- ((m (make-music-by-name 'ApplyContext)))
-
-
- (define (ottava-modify context)
- "Either reset centralCPosition to the stored original, or remember
-old centralCPosition, add OCTAVATION to centralCPosition, and set
-OTTAVATION to `8va', or whatever appropriate."
-
- (if (number? (ly:get-context-property context 'centralCPosition))
-
- (if (= octavation 0)
- (let*
- ((where (ly:context-property-where-defined context 'centralCPosition))
- (oc0 (ly:get-context-property context 'originalCentralCPosition)))
-
- (ly:set-context-property! context 'centralCPosition oc0)
- (ly:unset-context-property where 'originalCentralCPosition)
- (ly:unset-context-property where 'ottavation))
-
- (let*
- ((where (ly:context-property-where-defined context 'centralCPosition))
- (c0 (ly:get-context-property context 'centralCPosition))
- (new-c0 (+ c0 (* -7 octavation)))
- (string (cdr
- (assoc octavation '((2 . "15ma")
- (1 . "8va")
- (0 . #f)
- (-1 . "8va bassa")
- (-2 . "15ma bassa"))))))
-
- (ly:set-context-property! context 'centralCPosition new-c0)
- (ly:set-context-property! context 'originalCentralCPosition c0)
- (ly:set-context-property! context 'ottavation string)
-
- ))))
-
- (ly:set-mus-property! m 'procedure ottava-modify)
- (context-spec-music m 'Staff)
- ))
+ (let ((m (make-music 'ApplyContext)))
+ (define (ottava-modify context)
+ "Either reset middleCPosition to the stored original, or remember
+old middleCPosition, add OCTAVATION to middleCPosition, and set
+OTTAVATION to `8va', or whatever appropriate."
+ (if (number? (ly:context-property context 'middleCPosition))
+ (if (= octavation 0)
+ (let ((where (ly:context-property-where-defined context 'middleCPosition))
+ (oc0 (ly:context-property context 'originalCentralCPosition)))
+ (ly:context-set-property! context 'middleCPosition oc0)
+ (ly:context-unset-property where 'originalCentralCPosition)
+ (ly:context-unset-property where 'ottavation))
+ (let* ((where (ly:context-property-where-defined context 'middleCPosition))
+ (c0 (ly:context-property context 'middleCPosition))
+ (new-c0 (+ c0 (* -7 octavation)))
+ (string (cdr (assoc octavation '((2 . "15ma")
+ (1 . "8va")
+ (0 . #f)
+ (-1 . "8va bassa")
+ (-2 . "15ma bassa"))))))
+ (ly:context-set-property! context 'middleCPosition new-c0)
+ (ly:context-set-property! context 'originalCentralCPosition c0)
+ (ly:context-set-property! context 'ottavation string)))))
+ (set! (ly:music-property m 'procedure) ottava-modify)
+ (context-spec-music m 'Staff)))
(define-public (set-octavation ottavation)
(ly:export (make-ottava-set ottavation)))
(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)))
+ "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)))
+ (descend-to-context
+ (context-spec-music (make-sequential-music basic) 'Timing) 'Score)))
(define-public (make-mark-set label)
- "make the music for the \\mark command."
-
- (let*
- ((set (if (integer? label)
- (context-spec-music (make-property-set 'rehearsalMark label)
- 'Score)
- #f))
- (ev (make-music-by-name 'MarkEvent))
- (ch (make-event-chord (list ev)))
- )
-
-
+ "Make the music for the \\mark command."
+ (let* ((set (if (integer? label)
+ (context-spec-music (make-property-set 'rehearsalMark label)
+ 'Score)
+ #f))
+ (ev (make-music 'MarkEvent))
+ (ch (make-event-chord (list ev))))
(if set
(make-sequential-music (list set ch))
(begin
- (ly:set-mus-property! ev 'label label)
+ (set! (ly:music-property ev 'label) label)
ch))))
-
-
(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-safe-public (make-articulation name)
+ (make-music 'ArticulationEvent
+ 'articulation-type name))
(define-public (make-lyric-event string duration)
- (let* ((m (make-music-by-name 'LyricEvent)))
-
- (ly:set-mus-property! m 'duration duration)
- (ly:set-mus-property! m 'text string)
- m))
+ (make-music 'LyricEvent
+ 'duration duration
+ 'text string))
-(define-public (make-span-event type spandir)
- (let* (
- (m (make-music-by-name type))
- )
- (ly:set-mus-property! m 'span-direction spandir)
- m
- ))
+(define-safe-public (make-span-event type spandir)
+ (make-music type
+ 'span-direction spandir))
(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)))
- ))
-
-
+ (set! (ly:music-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)
- ))
-
+ (let ((ts (ly:music-property m 'types)))
+ (memq 'separator ts)))
;;; splitting chords into voices.
-
(define (voicify-list lst number)
- "Make a list of Musics.
+ "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))
- ))
- )
+ NUMBER is 0-base, i.e. Voice=1 (upstems) has number 0.
+"
+ (if (null? lst)
+ '()
+ (cons (context-spec-music
+ (make-sequential-music
+ (list (make-voice-props-set number)
+ (make-simultaneous-music (car lst))))
+ 'Voice (number->string (1+ number)))
+ (voicify-list (cdr lst) (1+ number)))))
(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)) #f (map music-separator? es)))
- (voicify-chord m)
- )
-
- m
- ))
+ (let ((es (ly:music-property ch 'elements)))
+ (set! (ly:music-property ch 'elements)
+ (voicify-list (split-list es music-separator?) 0))
+ ch))
+
+(define-public (voicify-music m)
+ "Recursively split chords that are separated with \\ "
+ (if (not (ly:music? m))
+ (ly:error (_ "music expected: ~S") m))
+ (let ((es (ly:music-property m 'elements))
+ (e (ly:music-property m 'element)))
+
+ (if (pair? es)
+ (set! (ly:music-property m 'elements) (map voicify-music es)))
+ (if (ly:music? e)
+ (set! (ly:music-property m 'element) (voicify-music e)))
+ (if (and (equal? (ly:music-property m 'name) 'SimultaneousMusic)
+ (reduce (lambda (x y ) (or x y)) #f (map music-separator? es)))
+ (set! m (context-spec-music (voicify-chord m) 'Staff)))
+ m))
(define-public (empty-music)
- (ly:export (make-music-by-name 'Music))
- )
+ (ly:export (make-music 'Music)))
;;;
-; Make a function that checks score element for being of a specific type.
+ ; 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))))))
+ ;;(display symbol)
+ ;;(eq? #t (ly:grob-property elt symbol))
+ (not (eq? #f (memq symbol (ly:grob-property elt 'interfaces))))))
(define-public ((outputproperty-compatibility func sym val) grob g-context ao-context)
(if (func grob)
- (ly:set-grob-property! grob sym val)))
+ (set! (ly:grob-property grob sym) val)))
(define-public ((set-output-property grob-name symbol val) grob grob-c context)
- "Usage:
+ "Usage:
\\applyoutput #(set-output-property 'Clef 'extra-offset '(0 . 1))
"
-
- (let*
- ((meta (ly:get-grob-property grob 'meta)))
-
- (if (equal? (cdr (assoc 'name meta)) grob-name)
- (ly:set-grob-property! grob symbol val)
- )))
+ (let ((meta (ly:grob-property grob 'meta)))
+ (if (equal? (cdr (assoc 'name meta)) grob-name)
+ (set! (ly:grob-property grob symbol) val))))
;;
(define-public (smart-bar-check n)
- "Make a bar check that checks for a specific bar number.
+ "Make a bar check that checks for a specific bar number.
"
- (let*
- (
- (m (make-music-by-name 'ApplyContext))
- )
-
+ (let ((m (make-music 'ApplyContext)))
(define (checker tr)
- (let* ((bn (ly:get-context-property tr 'currentBarNumber)))
- (if (= bn n)
+ (let* ((bn (ly:context-property tr 'currentBarNumber)))
+ (if (= bn n)
#t
- (error
- (format "Bar check failed, we should have reached ~a, instead at ~a\n"
- n bn ))
- )))
+ (ly:error
+ ;; FIXME: uncomprehensable message
+ (_ "Bar check failed. Expect to be at ~a, instead at ~a")
+ n bn))))
+ (set! (ly:music-property m 'procedure) checker)
+ m))
+
+
+(define-public (skip->rest mus)
+
+ "Replace MUS by RestEvent of the same duration if it is a
+SkipEvent. Useful for extracting parts from crowded scores"
+
+ (if (equal? (ly:music-property mus 'name) 'SkipEvent)
+ (make-music 'RestEvent 'duration (ly:music-property mus 'duration))
+ mus))
- (ly:set-mus-property! m 'procedure checker)
- m
- ))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; warn for bare chords at start.
(define (has-request-chord elts)
- (reduce (lambda (x y) (or x y)) #f (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))
- )
+ (reduce (lambda (x y) (or x y)) #f
+ (map (lambda (x)
+ (equal? (ly:music-property x 'name) 'RequestChord))
+ elts)))
+(define-public (ly:music-message music msg)
+ (let ((ip (ly:music-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))
- )
+ (ly:warning msg))))
- (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")
+(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:music-property music 'elements))
+ (e (ly:music-property music 'element))
+ (name (ly:music-property music 'name)))
+ (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.\nInsert an explicit \\context before chord")
+ (map check-start-chords es)))
+ ((equal? name "SequentialMusic")
(if (pair? es)
(check-start-chords (car es))))
- (else (if (ly:music? e) (check-start-chords e )))
-
- ))
- music
- )
+ (else (if (ly:music? e) (check-start-chords e)))))
+ music)
(define (vector-extend v x)
"Make a new vector consisting of V, with X added to the end."
- (let*
- ((n (vector-length v))
- (nv (make-vector (+ n 1) '())))
-
-
+ (let* ((n (vector-length v))
+ (nv (make-vector (+ n 1) '())))
(vector-move-left! v 0 n nv 0)
(vector-set! nv n x)
nv))
-
(define (vector-map f v)
- "Map F over V. This function returns nothing."
- (do
- ((n (vector-length v))
+ "Map F over V. This function returns nothing."
+ (do ((n (vector-length v))
(i 0 (+ i 1)))
((>= i n))
-
(f (vector-ref v i))))
(define (vector-reverse-map f v)
- "Map F over V, N to 0 order. This function returns nothing."
- (do
- ((i (- (vector-length v) 1) (- i 1)))
+ "Map F over V, N to 0 order. This function returns nothing."
+ (do ((i (- (vector-length v) 1) (- i 1)))
((< i 0))
-
(f (vector-ref v i))))
;; TODO: make a remove-grace-property too.
(define-public (add-grace-property context-name grob sym val)
"Set SYM=VAL for GROB in CONTEXT-NAME. "
(define (set-prop context)
- (let*
- ((where (ly:context-property-where-defined context 'graceSettings))
- (current (ly:get-context-property where 'graceSettings))
- (new-settings (vector-extend current (list context-name grob sym val)))
- )
- (ly:set-context-property! where 'graceSettings new-settings)))
-
- (ly:export (context-spec-music (make-apply-context set-prop) 'Voice)))
+ (let* ((where (ly:context-property-where-defined context 'graceSettings))
+ (current (ly:context-property where 'graceSettings))
+ (new-settings (append current
+ (list (list context-name grob sym val)))))
+ (ly:context-set-property! where 'graceSettings new-settings)))
+ (ly:export (context-spec-music (make-apply-context set-prop) 'Voice)))
+
+
+
+(defmacro-public def-grace-function (start stop)
+ `(define-music-function (parser location music) (ly:music?)
+ (make-music 'GraceMusic
+ 'origin location
+ 'element (make-music 'SequentialMusic
+ 'elements (list (ly:music-deep-copy ,start)
+ music
+ (ly:music-deep-copy ,stop))))))
+
+(defmacro-public define-music-function (args signature . body)
+ "Helper macro for `ly:make-music-function'.
+Syntax:
+ (define-music-function (parser location arg1 arg2 ...) (arg1-type? arg2-type? ...)
+ ...function body...)
+"
+ `(ly:make-music-function (list ,@signature)
+ (lambda (,@args)
+ ,@body)))
-(define-public (set-start-grace-properties context)
- (define (execute-1 x)
- (let*
- ((tr (ly:translator-find context (car x))))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
- (if (ly:context? tr)
- (ly:context-pushpop-property tr (cadr x) (caddr x) (cadddr x))
- )))
+(define-public (cue-substitute quote-music)
+ "Must happen after quote-substitute."
- (let*
- ((props (ly:get-context-property context 'graceSettings)))
- (if (vector? props)
- (vector-map execute-1 props))))
-
-(define-public (set-stop-grace-properties context)
- (define (execute-1 x)
- (let*
- ((tr (ly:translator-find context (car x))))
- (if (ly:context? tr)
- (ly:context-pushpop-property tr (cadr x) (caddr x))
- )))
-
- (let*
- ((props (ly:get-context-property context 'graceSettings)))
- (if (vector? props)
- (vector-reverse-map execute-1 props))))
+ (if (vector? (ly:music-property quote-music 'quoted-events))
+ (let* ((dir (ly:music-property quote-music 'quoted-voice-direction))
+ (main-voice (if (eq? 1 dir) 1 0))
+ (cue-voice (if (eq? 1 dir) 0 1))
+ (main-music (ly:music-property quote-music 'element))
+ (return-value quote-music))
+
+ (if (or (eq? 1 dir) (eq? -1 dir))
+
+ ;; if we have stem dirs, change both quoted and main music
+ ;; to have opposite stems.
+ (begin
+ (set! return-value
+
+ ;; cannot context-spec Quote-music, since context
+ ;; for the quotes is determined in the iterator.
+ (make-sequential-music
+ (list
+ (context-spec-music (make-voice-props-set cue-voice) 'CueVoice "cue")
+ quote-music
+ (context-spec-music (make-voice-props-revert) 'CueVoice "cue"))))
+ (set! main-music
+ (make-sequential-music
+ (list
+ (make-voice-props-set main-voice)
+ main-music
+ (make-voice-props-revert))))
+ (set! (ly:music-property quote-music 'element) main-music)))
+
+ return-value)
+ quote-music))
+
+(define-public ((quote-substitute quote-tab) music)
+ (let* ((quoted-name (ly:music-property music 'quoted-music-name))
+ (quoted-vector (if (string? quoted-name)
+ (hash-ref quote-tab quoted-name #f)
+ #f)))
+
+
+ (if (string? quoted-name)
+ (if (vector? quoted-vector)
+ (begin
+ (set! (ly:music-property music 'quoted-events) quoted-vector)
+ (set! (ly:music-property music 'iterator-ctor)
+ ly:quote-iterator::constructor))
+ (ly:warning (_ "can't find quoted music `~S'" quoted-name))))
+ 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)
+ (if (defined? 'set-debug-cell-accesses!)
+ (set-debug-cell-accesses! 15000))
m)
+(define (music-check-error music)
+ (define found #f)
+ (define (signal m)
+ (if (and (ly:music? m)
+ (eq? (ly:music-property m 'error-found) #t))
+ (set! found #t)))
+
+ (for-each signal (ly:music-property music 'elements))
+ (signal (ly:music-property music 'element))
+
+ (if found
+ (set! (ly:music-property music 'error-found) #t))
+ music)
+
+(define (precompute-music-length music)
+ (set! (ly:music-property music 'length)
+ (ly:music-length music))
+ music)
+
+(define (skip-to-last music parser)
+
+ "Replace MUSIC by
+
+<< { \\set skipTypesetting = ##t
+ LENGTHOF(\\showLastLength)
+ \\set skipTypesetting = ##t }
+ MUSIC >>
+
+if appropriate.
+ "
+ (let*
+ ((show-last (ly:parser-lookup parser 'showLastLength)))
+
+ (if (ly:music? show-last)
+ (let*
+ ((orig-length (ly:music-length music))
+ (skip-length (ly:moment-sub orig-length (ly:music-length show-last))))
+
+ (make-simultaneous-music
+ (list
+ (make-sequential-music
+ (list
+ (context-spec-music (make-property-set 'skipTypesetting #t) 'Score)
+ (make-music 'SkipMusic 'duration
+ (ly:make-duration 0 0
+ (ly:moment-main-numerator skip-length)
+ (ly:moment-main-denominator skip-length)))
+ (context-spec-music (make-property-set 'skipTypesetting #f) 'Score)))
+ music)))
+ music)))
+
+
(define-public toplevel-music-functions
(list
-;; check-start-chords ; ; no longer needed with chord syntax.
- voicify-music
- (lambda (x) (music-map glue-mm-rest-texts x))
-; switch-on-debugging
- ))
-
+ (lambda (music parser) (voicify-music music))
+ (lambda (x parser) (music-map glue-mm-rest-texts x))
+ (lambda (x parser) (music-map music-check-error x))
+ (lambda (x parser) (music-map precompute-music-length x))
+ (lambda (music parser)
+ (music-map (quote-substitute (ly:parser-lookup parser 'musicQuotes)) music))
+
+ ;; switch-on-debugging
+ (lambda (x parser) (music-map cue-substitute x))
+
+ (lambda (x parser)
+ (skip-to-last x parser)
+ )))
;;;;;;;;;;;;;;;;;
(define (apply-durations lyric-music durations)
(define (apply-duration music)
(if (and (not (equal? (ly:music-length music) ZERO-MOMENT))
- (ly:duration? (ly:get-mus-property music 'duration)))
+ (ly:duration? (ly:music-property music 'duration)))
(begin
- (ly:set-mus-property! music 'duration (car durations))
- (set! durations (cdr durations))
- )))
-
+ (set! (ly:music-property music 'duration) (car durations))
+ (set! durations (cdr durations)))))
+
(music-map apply-duration lyric-music))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
-
(define-public ((add-balloon-text object-name text off) grob orig-context cur-context)
- "Usage: see input/regression/balloon.ly "
- (let*
- ((meta (ly:get-grob-property grob 'meta))
- (nm (if (pair? meta) (cdr (assoc 'name meta)) "nonexistant"))
- (cb (ly:get-grob-property grob 'molecule-callback)))
-
- (if (equal? nm object-name)
- (begin
- (ly:set-grob-property! grob 'molecule-callback Balloon_interface::brew_molecule)
- (ly:set-grob-property! grob 'balloon-original-callback cb)
- (ly:set-grob-property! grob 'balloon-text text)
- (ly:set-grob-property! grob 'balloon-text-offset off)
- (ly:set-grob-property! grob 'balloon-text-props '((font-family . roman)))
-
- ))))
-
+ "Usage: see input/regression/balloon.ly "
+ (let* ((meta (ly:grob-property grob 'meta))
+ (cb (ly:grob-property-data grob 'stencil))
+ (nm (if (pair? meta) (cdr (assoc 'name meta)) "nonexistant")))
+ (if (and (equal? nm object-name)
+ (procedure? cb))
+ (begin
+ (ly:grob-set-property! grob 'stencil ly:balloon-interface::print)
+ (set! (ly:grob-property grob 'original-stencil) cb)
+ (set! (ly:grob-property grob 'balloon-text) text)
+ (set! (ly:grob-property grob 'balloon-text-offset) off)
+ (set! (ly:grob-property grob 'balloon-text-props) '((font-family . roman)))))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; part-combiner.
-
-
-
-(define noticed '())
-(define part-combine-listener '())
-(define-public (set-part-combine-listener x)
- (set! part-combine-listener x))
-
-(define-public (notice-the-events-for-pc context lst)
- (set! noticed (acons (ly:context-id context) lst noticed)))
-
-(define-public (make-new-part-combine-music music-list)
- (let*
- ((m (make-music-by-name 'NewPartCombineMusic))
- (m1 (context-spec-music (car music-list) 'Voice "one"))
- (m2 (context-spec-music (cadr music-list) 'Voice "two"))
- (props '((denies Thread)
- (consists Rest_engraver)
- (consists Note_heads_engraver)
- )))
-
- (ly:set-mus-property! m 'elements (list m1 m2))
- (ly:set-mus-property! m1 'property-operations props)
- (ly:set-mus-property! m2 'property-operations props)
- (ly:run-translator m2 part-combine-listener)
- (ly:run-translator m1 part-combine-listener)
- (ly:set-mus-property! m 'split-list
- (determine-split-list (reverse (cdr (assoc "one" noticed)))
- (reverse (cdr (assoc "two" noticed)))))
- (set! noticed '())
-
- m))
+;; accidentals
+
+(define-public (set-accidentals-properties extra-natural
+ auto-accs auto-cauts
+ context)
+ (context-spec-music
+ (make-sequential-music
+ (append (if (boolean? extra-natural)
+ (list (make-property-set 'extraNatural extra-natural))
+ '())
+ (list (make-property-set 'autoAccidentals auto-accs)
+ (make-property-set 'autoCautionaries auto-cauts))))
+ context))
+
+(define-public (set-accidental-style style . rest)
+ "Set accidental style to STYLE. Optionally takes a context argument,
+e.g. 'Staff or 'Voice. The context defaults to Voice, except for piano styles, which
+use GrandStaff as a context. "
+ (let ((context (if (pair? rest)
+ (car rest) 'Staff))
+ (pcontext (if (pair? rest)
+ (car rest) 'GrandStaff)))
+ (ly:export
+ (cond
+ ;; accidentals as they were common in the 18th century.
+ ((equal? style 'default)
+ (set-accidentals-properties #t '(Staff (same-octave . 0))
+ '() context))
+ ;; accidentals from one voice do NOT get cancelled in other voices
+ ((equal? style 'voice)
+ (set-accidentals-properties #t '(Voice (same-octave . 0))
+ '() context))
+ ;; accidentals as suggested by Kurt Stone, Music Notation in the 20th century.
+ ;; This includes all the default accidentals, but accidentals also needs cancelling
+ ;; in other octaves and in the next measure.
+ ((equal? style 'modern)
+ (set-accidentals-properties #f '(Staff (same-octave . 0) (any-octave . 0) (same-octave . 1))
+ '() context))
+ ;; the accidentals that Stone adds to the old standard as cautionaries
+ ((equal? style 'modern-cautionary)
+ (set-accidentals-properties #f '(Staff (same-octave . 0))
+ '(Staff (any-octave . 0) (same-octave . 1))
+ context))
+ ;; Multivoice accidentals to be read both by musicians playing one voice
+ ;; and musicians playing all voices.
+ ;; Accidentals are typeset for each voice, but they ARE cancelled across voices.
+ ((equal? style 'modern-voice)
+ (set-accidentals-properties #f
+ '(Voice (same-octave . 0) (any-octave . 0) (same-octave . 1)
+ Staff (same-octave . 0) (any-octave . 0) (same-octave . 1))
+ '()
+ context))
+ ;; same as modernVoiceAccidental eccept that all special accidentals are typeset
+ ;; as cautionaries
+ ((equal? style 'modern-voice-cautionary)
+ (set-accidentals-properties #f
+ '(Voice (same-octave . 0))
+ '(Voice (any-octave . 0) (same-octave . 1)
+ Staff (same-octave . 0) (any-octave . 0) (same-octave . 1))
+ context))
+ ;; stone's suggestions for accidentals on grand staff.
+ ;; Accidentals are cancelled across the staves in the same grand staff as well
+ ((equal? style 'piano)
+ (set-accidentals-properties #f
+ '(Staff (same-octave . 0)
+ (any-octave . 0) (same-octave . 1)
+ GrandStaff (any-octave . 0) (same-octave . 1))
+ '()
+ pcontext))
+ ((equal? style 'piano-cautionary)
+ (set-accidentals-properties #f
+ '(Staff (same-octave . 0))
+ '(Staff (any-octave . 0) (same-octave . 1)
+ GrandStaff (any-octave . 0) (same-octave . 1))
+ pcontext))
+ ;; do not set localKeySignature when a note alterated differently from
+ ;; localKeySignature is found.
+ ;; Causes accidentals to be printed at every note instead of
+ ;; remembered for the duration of a measure.
+ ;; accidentals not being remembered, causing accidentals always to be typeset relative to the time signature
+ ((equal? style 'forget)
+ (set-accidentals-properties '()
+ '(Staff (same-octave . -1))
+ '() context))
+ ;; Do not reset the key at the start of a measure. Accidentals will be
+ ;; printed only once and are in effect until overridden, possibly many
+ ;; measures later.
+ ((equal? style 'no-reset)
+ (set-accidentals-properties '()
+ '(Staff (same-octave . #t))
+ '()
+ context))
+ (else
+ (ly:warning (_ "unknown accidental style: ~S" style))
+ (make-sequential-music '()))))))
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+(define-public (skip-of-length mus)
+ "Create a skip of exactly the same length as MUS."
+ (let* ((skip
+ (make-music
+ 'SkipEvent
+ 'duration (ly:make-duration 0 0))))
-;;
-;; due to a bug in the GUILE evaluator,
-;; stack traces result in core dumps.
-;; therefore we retain debugging code.
-;;
+ (make-event-chord (list (ly:music-compress skip (ly:music-length mus))))))
-;;
-;; todo: this is too hairy.
-;;
-(define-public (determine-split-list evl1 evl2)
- "EVL1 and EVL2 should be ascending"
+(define-public (mmrest-of-length mus)
+ "Create a mmrest of exactly the same length as MUS."
- (define ev1 (list->vector evl1))
- (define ev2 (list->vector evl2))
- (define (when v i)
- (car (vector-ref v i)))
- (define (what v i)
- (cdr (vector-ref v i)))
-
- (define chord-threshold 8)
-
- (define result
- (list->vector
- (map (lambda (x)
- (cons x '()))
- (uniq-list
- (merge (map car evl1) (map car evl2) ly:moment<?)))))
-
- (define (analyse-time-step i1 i2 ri
- active1
- active2)
-
- (define (analyse-tie-start active ev)
- (if (equal? (ly:get-mus-property ev 'name) 'TieEvent)
- (acons 'tie ri active)
- active
- ))
-
- (define (analyse-tie-end active ev)
- (if (equal? (ly:get-mus-property ev 'name) 'NoteEvent)
- (assoc-remove! active 'tie)
- active) )
-
- (define (active<? a b)
- (cond
- ((symbol<? (car a) (car b)) #t)
- ((symbol<? (car b) (car b)) #f)
- (else
- (< (cdr a) (cdr b)))
- ))
-
- (define (analyse-span-event active ev)
- (let*
- ((name (ly:get-mus-property ev 'name))
- (key (cond
- ((equal? name 'SlurEvent) 'slur)
- ((equal? name 'PhrasingSlurEvent) 'tie)
- ((equal? name 'BeamEvent) 'beam)
- ((equal? name 'CrescendoEvent) 'cresc)
- ((equal? name 'DecrescendoEvent) 'decr)
- (else #f)) )
- (sp (ly:get-mus-property ev 'span-direction))
- )
-
- (if (and (symbol? key) (ly:dir? sp))
- (if (= sp STOP)
- (assoc-remove! active key)
- (acons key ri active))
- active)
- ))
+ (let* ((skip
+ (make-multi-measure-rest
+ (ly:make-duration 0 0) '())))
+ (ly:music-compress skip (ly:music-length mus))
+ skip))
- (define (analyse-events active evs)
- (define (helper analyzer active evs)
- (if (pair? evs)
- (helper analyzer (analyzer active (car evs)) (cdr evs))
- active
- ))
- (sort
- (helper analyse-span-event
- (helper analyse-tie-start
- (helper analyse-tie-end active evs) evs) evs)
- active<?))
-
- (define (get-note-evs v i)
- (define (f? x)
- (equal? (ly:get-mus-property x 'name) 'NoteEvent))
- (filter f? (map car (what v i))))
-
- (define (put x . index)
- "Put the result to X, starting from INDEX backwards."
- (let
- ((i (if (pair? index) (car index) ri)))
+(define-public (pitch-of-note event-chord)
- (if (and (<= 0 i) (not (symbol? (what result i))))
- (begin
- (set-cdr! (vector-ref result i) x)
- (put x (1- i))
- ))
- ))
-
-
- (cond
- ((= ri (vector-length result)) '())
- ((= i1 (vector-length ev1)) (put 'apart))
- ((= i2 (vector-length ev2)) (put 'apart))
- (else
- (let*
- (
-; (x (display (list "\nelse" (= i1 (vector-length ev1)) i2 (vector-length ev2) (= i2 (vector-length ev2)))))
- (m1 (when ev1 i1))
- (m2 (when ev2 i2))
-; (x (display "oked"))
- (evs1 (map car (what ev1 i1)))
- (evs2 (map car (what ev2 i2)))
- (new-active1 (analyse-events active1 evs1))
- (new-active2 (analyse-events active2 evs2))
- )
-
-
- (or #t (display (list (when result ri) i1 i2 ri
- active1 "->" new-active1
- active2 "->" new-active2
- (vector-length ev1) (vector-length ev2) (vector-length result) "\n")))
-
-
- (if (not (or (equal? m1 (when result ri))
- (equal? m2 (when result ri))))
- (begin
- (display
- (list "<? M1,M2 != result :"
- m1 m2 (when result ri)))
- (scm-error "boem")))
-
- (cond
- ((ly:moment<? m1 m2)
- (put 'apart)
- (if (> ri 0) (put 'apart (1- ri)))
- (analyse-time-step (1+ i1) i2 (1+ ri) new-active1 active2))
- ((ly:moment<? m2 m1)
- (put 'apart)
- (if (> ri 0) (put 'apart (1- ri)))
- (analyse-time-step i1 (1+ i2) (1+ ri) active1 new-active2))
- (else
- (if (and (equal? active1 active2) (equal? new-active2 new-active1))
- (let*
- ((notes1 (get-note-evs ev1 i1))
- (durs1 (sort (map (lambda (x) (ly:get-mus-property x 'duration)) notes1) ly:duration<?))
- (pitches1 (sort
- (map (lambda (x) (ly:get-mus-property x 'pitch)) notes1) ly:pitch<?))
- (notes2 (get-note-evs ev2 i2))
- (durs2 (sort (map (lambda (x) (ly:get-mus-property x 'duration)) notes2) ly:duration<?))
- (pitches2 (sort
- (map (lambda (x) (ly:get-mus-property x 'pitch)) notes2) ly:pitch<?))
- )
- (cond
- ((> (length notes1) 1) (put 'apart))
- ((> (length notes2) 1) (put 'apart))
- ((and
- (= (length durs1) 1)
- (= (length durs2) 1)
- (not (equal? (car durs1) (car durs2))))
-
- (put 'apart))
- (else
- (if
- (and (= (length pitches1) 1) (= (length pitches2) 1)
- (< chord-threshold (ly:pitch-steps
- (ly:pitch-diff (car pitches1) (car pitches2)))))
- (put 'apart)
-
-
- ;; copy previous split state from spanner state
- (begin
- (map (lambda (key-idx)
- (let*
- ((idx (cdr key-idx))
- (prev (what result idx))
- )
- (if (symbol? prev)
- (put prev))
- )) (append active1 active2))
- (if (and (null? new-active1) (null? new-active2))
- (put 'chords ri)))
-
- ))) )
- ;; active states different:
- (put 'apart) )
- (analyse-time-step (1+ i1) (1+ i2) (1+ ri) new-active1 new-active2))
- )))))
-
-;;
-
-
+ (let*
+ ((evs (filter (lambda (x) (memq 'note-event (ly:music-property x 'types)))
+ (ly:music-property event-chord 'elements))))
- (analyse-time-step 0 0 0 '() '())
-; (display result)
- (vector->list result))
+ (if (pair? evs)
+ (ly:music-property (car evs) 'pitch)
+ #f)))
+
projects / lilypond.git / blobdiff