1 %%%% -*- Mode: Scheme -*-
3 %%%% This file is part of LilyPond, the GNU music typesetter.
5 %%%% Copyright (C) 2003--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
6 %%%% Jan Nieuwenhuizen <janneke@gnu.org>
8 %%%% LilyPond is free software: you can redistribute it and/or modify
9 %%%% it under the terms of the GNU General Public License as published by
10 %%%% the Free Software Foundation, either version 3 of the License, or
11 %%%% (at your option) any later version.
13 %%%% LilyPond is distributed in the hope that it will be useful,
14 %%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
15 %%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 %%%% GNU General Public License for more details.
18 %%%% You should have received a copy of the GNU General Public License
19 %%%% along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
24 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
25 %% this file is alphabetically sorted.
26 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
28 %% need SRFI-1 for filter; optargs for lambda*
29 #(use-modules (srfi srfi-1)
32 %% TODO: using define-music-function in a .scm causes crash.
35 #(def-grace-function startAcciaccaturaMusic stopAcciaccaturaMusic
36 (_i "Create an acciaccatura from the following music expression"))
38 %% keep these two together
39 "instrument-definitions" = #'()
40 addInstrumentDefinition =
41 #(define-music-function
42 (parser location name lst) (string? list?)
43 (_i "Create instrument @var{name} with properties @var{list}.")
44 (set! instrument-definitions (acons name lst instrument-definitions))
45 (make-music 'SequentialMusic 'void #t))
48 #(define-music-function (parser location name music) (string? ly:music?)
49 (_i "Define @var{music} as a quotable music expression named
51 (add-quotable parser name music)
52 (make-music 'SequentialMusic 'void #t))
54 %% keep these two together
55 afterGraceFraction = #(cons 6 8)
57 #(define-music-function (parser location main grace) (ly:music? ly:music?)
58 (_i "Create @var{grace} note(s) after a @var{main} music expression.")
59 (let ((main-length (ly:music-length main))
60 (fraction (ly:parser-lookup parser 'afterGraceFraction)))
61 (make-simultaneous-music
64 (make-sequential-music
67 (make-music 'SkipMusic
68 'duration (ly:make-duration
70 (* (ly:moment-main-numerator main-length)
72 (* (ly:moment-main-denominator main-length)
74 (make-music 'GraceMusic
78 %% music identifiers not allowed at top-level,
79 %% so this is a music-function instead.
81 #(define-music-function (location parser) ()
82 (_i "Allow a page turn. May be used at toplevel (ie between scores or
83 markups), or inside a score.")
84 (make-music 'EventChord
86 'page-turn-permission 'allow
87 'elements (list (make-music 'PageTurnEvent
88 'break-permission 'allow))))
91 #(define-music-function (parser location proc) (procedure?)
92 (_i "Modify context properties with Scheme procedure @var{proc}.")
93 (make-music 'ApplyContext
98 #(define-music-function (parser location func music) (procedure? ly:music?)
99 (_i"Apply procedure @var{func} to @var{music}.")
103 #(define-music-function (parser location ctx proc) (symbol? procedure?)
104 (_i "Apply function @code{proc} to every layout object in context @code{ctx}")
105 (make-music 'ApplyOutputEvent
111 #(def-grace-function startAppoggiaturaMusic stopAppoggiaturaMusic
112 (_i "Create an appoggiatura from @var{music}"))
114 % for regression testing purposes.
116 #(define-music-function (parser location l r) (pair? pair?)
117 (_i "Testing function: check whether the beam quants @var{l} and @var{r} are correct")
118 (make-grob-property-override 'Beam 'positions
119 (ly:make-simple-closure
120 (ly:make-simple-closure
122 (list chain-grob-member-functions `(,cons 0 0))
123 (check-quant-callbacks l r))))))
125 % for regression testing purposes.
127 #(define-music-function (parser location comp) (procedure?)
128 (_i "Testing function: check whether the slope of the beam is the same as @code{comp}")
129 (make-grob-property-override 'Beam 'positions
130 (ly:make-simple-closure
131 (ly:make-simple-closure
133 (list chain-grob-member-functions `(,cons 0 0))
134 (check-slope-callbacks comp))))))
137 #(define-music-function (parser location music) (ly:music?)
138 (_i "Make voices that switch between staves automatically")
139 (make-autochange-music parser music))
144 #(define-music-function (parser location grob-name offset text)
145 (symbol? number-pair? markup?)
146 (_i "Attach @var{text} to @var{grob-name} at offset @var{offset}
147 (use like @code{\\once})")
148 (make-music 'AnnotateOutputEvent
150 'X-offset (car offset)
151 'Y-offset (cdr offset)
155 #(define-music-function (parser location offset text) (number-pair? markup?)
156 (_i "Attach @var{text} at @var{offset} (use like @code{\\tweak})")
157 (make-music 'AnnotateOutputEvent
158 'X-offset (car offset)
159 'Y-offset (cdr offset)
163 #(define-music-function (parser location type) (string?)
164 (_i "Insert a bar line of type @var{type}")
166 (make-property-set 'whichBar type)
170 #(define-music-function (parser location n) (integer?)
171 (_i "Print a warning if the current bar number is not @var{n}.")
172 (make-music 'ApplyContext
176 (let ((cbn (ly:context-property c 'currentBarNumber)))
177 (if (and (number? cbn) (not (= cbn n)))
178 (ly:input-message location
179 "Barcheck failed got ~a expect ~a"
183 #(define-music-function (parser location delta) (real?)
184 (_i "Create a fall or doit of pitch interval @var{delta}.")
185 (make-music 'BendAfterEvent
189 #(define-music-function (parser location newfilename) (string?)
190 (_i "Direct output for the current book block to @var{newfilename}.")
191 (set! book-filename newfilename)
192 (make-music 'SequentialMusic 'void #t))
195 #(define-music-function (parser location newsuffix) (string?)
196 (_i "Set the output filename suffix for the current book block to
198 (set! book-output-suffix newsuffix)
199 (make-music 'SequentialMusic 'void #t))
201 %% \breathe is defined as a music function rather than an event identifier to
202 %% ensure it gets useful input location information: as an event identifier,
203 %% it would have to be wrapped in an EventChord to prevent it from being
204 %% treated as a post_event by the parser
206 #(define-music-function (parser location) ()
207 (_i "Insert a breath mark.")
208 (make-music 'BreathingEvent))
213 #(define-music-function (parser location type) (string?)
214 (_i "Set the current clef to @var{type}.")
215 (make-clef-set type))
218 #(define-music-function
219 (parser location what dir main-music) (string? ly:dir? ly:music?)
220 (_i "Insert contents of quote @var{what} corresponding to @var{main-music},
221 in a CueVoice oriented by @var{dir}.")
222 (make-music 'QuoteMusic
224 'quoted-context-type 'Voice
225 'quoted-context-id "cue"
226 'quoted-music-name what
227 'quoted-voice-direction dir
233 #(define-music-function (parser location music) (ly:music?)
234 (_i "Display the LilyPond input representation of @var{music}
237 (display-lily-music music parser)
241 #(define-music-function (parser location music) (ly:music?)
242 (_i "Display the internal representation of @var{music} to the console.")
244 (display-scheme-music music)
250 #(define-music-function (parser location music) (ly:music?)
251 (_i "Terminate the next spanner prematurely after exactly one note
252 without the need of a specific end spanner.")
253 (if (eq? (ly:music-property music 'name) 'EventChord)
254 (let* ((elts (ly:music-property music 'elements))
255 (start-span-evs (filter (lambda (ev)
256 (and (music-has-type ev 'span-event)
257 (equal? (ly:music-property ev 'span-direction)
262 (let ((c (music-clone m)))
263 (set! (ly:music-property c 'span-direction) STOP)
266 (end-ev-chord (make-music 'EventChord
267 'elements stop-span-evs))
268 (total (make-music 'SequentialMusic
269 'elements (list music
273 (ly:input-message location (_ "argument endSpanners is not an EventChord: ~a" music))))
278 #(define-music-function (parser location factor argument) (ly:moment? ly:music?)
279 (_i "Adjust durations of music in @var{argument} by rational @var{factor}.")
280 (let ((orig-duration (ly:music-length argument))
281 (multiplier (ly:make-moment 1 1)))
285 (if (and (eq? (ly:music-property mus 'name) 'EventChord)
286 (< 0 (ly:moment-main-denominator (ly:music-length mus))))
288 (ly:music-compress mus multiplier)
289 (set! multiplier (ly:moment-mul factor multiplier))))
295 (ly:moment-div orig-duration (ly:music-length argument)))
302 #(def-grace-function startGraceMusic stopGraceMusic
303 (_i "Insert @var{music} as grace notes."))
305 harmonicByFret = #(define-music-function (parser location fret music) (number? ly:music?)
306 (let* ((fret (number->string fret))
307 (pitch (fret->pitch fret)))
308 (make-sequential-music
311 \override TabNoteHead #'stencil = #(tab-note-head::print-custom-fret-label $fret)
314 (calc-harmonic-pitch pitch music))
316 \revert TabNoteHead #'stencil
319 harmonicByRatio = #(define-music-function (parser location ratio music) (number? ly:music?)
320 (let ((pitch (ratio->pitch ratio))
321 (fret (ratio->fret ratio)))
322 (make-sequential-music
325 \override TabNoteHead #'stencil = #(tab-note-head::print-custom-fret-label $fret)
328 (calc-harmonic-pitch pitch music))
330 \revert TabNoteHead #'stencil
334 #(define-music-function
335 (parser location name) (string?)
336 (_i "Switch instrument to @var{name}, which must be predefined with
337 @code{\\addInstrumentDefinition}.")
338 (let* ((handle (assoc name instrument-definitions))
339 (instrument-def (if handle (cdr handle) '())))
342 (ly:input-message location "No such instrument: ~a" name))
344 (make-music 'SimultaneousMusic
356 #(define-music-function (parser location tag music) (symbol? ly:music?)
357 (_i "Include only elements of @var{music} that are tagged with @var{tag}.")
360 (let* ((tags (ly:music-property m 'tags))
361 (res (memq tag tags)))
368 #(define-music-function (parser location music) (ly:music?)
369 (_i "Remove cue notes from @var{music}.")
372 (if (and (string? (ly:music-property mus 'quoted-music-name))
373 (string=? (ly:music-property mus 'quoted-context-id "") "cue"))
374 (ly:music-property mus 'element)
381 #(define-music-function (parser location label) (symbol?)
382 (_i "Create @var{label} as a bookmarking label.")
383 (make-music 'EventChord
386 'elements (list (make-music 'LabelEvent
387 'page-label label))))
391 #(define-music-function (parser location language) (string?)
392 (_i "Set note names for language @var{language}.")
393 (note-names-language parser language)
394 (make-music 'Music 'void #t))
396 languageSaveAndChange =
397 #(define-music-function (parser location language) (string?)
398 (_i "Store the previous pitchnames alist, and set a new one.")
399 (set! previous-pitchnames pitchnames)
400 (note-names-language parser language)
401 (make-music 'Music 'void #t))
404 #(define-music-function (parser location) ()
405 (_i "Restore a previously-saved pitchnames alist.")
406 (if previous-pitchnames
408 (set! pitchnames previous-pitchnames)
409 (ly:parser-set-note-names parser pitchnames))
410 (ly:warning (_ "No other language was defined previously. Ignoring.")))
411 (make-music 'Music 'void #t))
415 #(define-music-function (parser location arg) (ly:music?)
416 (_i "Display chords in @var{arg} as clusters.")
417 (music-map note-to-cluster arg))
420 #(define-music-function (parser location proc mus) (procedure? ly:music?)
421 (_i "Apply @var{proc} to @var{mus} and all of the music it contains.")
422 (music-map proc mus))
426 %% noPageBreak and noPageTurn are music functions (not music indentifiers),
427 %% because music identifiers are not allowed at top-level.
429 #(define-music-function (location parser) ()
430 (_i "Forbid a page break. May be used at toplevel (i.e., between scores or
431 markups), or inside a score.")
432 (make-music 'EventChord
434 'page-break-permission 'forbid
435 'elements (list (make-music 'PageBreakEvent
436 'break-permission '()))))
439 #(define-music-function (location parser) ()
440 (_i "Forbid a page turn. May be used at toplevel (i.e., between scores or
441 markups), or inside a score.")
442 (make-music 'EventChord
444 'page-turn-permission 'forbid
445 'elements (list (make-music 'PageTurnEvent
446 'break-permission '()))))
451 #(define-music-function (parser location pitch-note) (ly:music?)
453 (make-music 'RelativeOctaveCheck
455 'pitch (pitch-of-note pitch-note)))
458 #(define-music-function (parser location octave) (integer?)
459 (_i "Set the octavation.")
460 (make-music 'OttavaMusic
461 'ottava-number octave))
463 overrideTimeSignatureSettings =
464 #(define-music-function
465 (parser location time-signature base-moment beat-structure beam-exceptions)
466 (pair? pair? cheap-list? cheap-list?)
468 (_i "Override @code{timeSignatureSettings}
469 for time signatures of @var{time-signature} to have settings
470 of @var{base-moment}, @var{beat-structure}, and @var{beam-exceptions}.")
472 ;; TODO -- add warning if largest value of grouping is
473 ;; greater than time-signature.
474 (let ((setting (make-setting base-moment beat-structure beam-exceptions)))
475 (override-time-signature-setting time-signature setting)))
478 #(define-music-function (parser location name property value)
479 (string? symbol? scheme?)
481 (_i "Set @var{property} to @var{value} in all grobs named @var{name}.
482 The @var{name} argument is a string of the form @code{\"Context.GrobName\"}
483 or @code{\"GrobName\"}.")
485 (let ((name-components (string-split name #\.))
486 (context-name 'Bottom)
489 (if (> 2 (length name-components))
490 (set! grob-name (string->symbol (car name-components)))
492 (set! grob-name (string->symbol (list-ref name-components 1)))
493 (set! context-name (string->symbol (list-ref name-components 0)))))
495 (make-music 'ApplyOutputEvent
497 'context-type context-name
499 (lambda (grob orig-context context)
501 (cdr (assoc 'name (ly:grob-property grob 'meta)))
503 (set! (ly:grob-property grob property) value))))))
507 %% pageBreak and pageTurn are music functions (iso music indentifiers),
508 %% because music identifiers are not allowed at top-level.
510 #(define-music-function (location parser) ()
511 (_i "Force a page break. May be used at toplevel (i.e., between scores or
512 markups), or inside a score.")
513 (make-music 'EventChord
515 'line-break-permission 'force
516 'page-break-permission 'force
517 'elements (list (make-music 'LineBreakEvent
518 'break-permission 'force)
519 (make-music 'PageBreakEvent
520 'break-permission 'force))))
523 #(define-music-function (location parser) ()
524 (_i "Force a page turn between two scores or top-level markups.")
525 (make-music 'EventChord
527 'line-break-permission 'force
528 'page-break-permission 'force
529 'page-turn-permission 'force
530 'elements (list (make-music 'LineBreakEvent
531 'break-permission 'force)
532 (make-music 'PageBreakEvent
533 'break-permission 'force)
534 (make-music 'PageTurnEvent
535 'break-permission 'force))))
538 #(define-music-function (parser location voice-ids music) (list? ly:music?)
539 (_i "Define parallel music sequences, separated by '|' (bar check signs),
540 and assign them to the identifiers provided in @var{voice-ids}.
542 @var{voice-ids}: a list of music identifiers (symbols containing only letters)
544 @var{music}: a music sequence, containing BarChecks as limiting expressions.
549 \\parallelMusic #'(A B C) {
559 (let* ((voices (apply circular-list (make-list (length voice-ids) (list))))
560 (current-voices voices)
561 (current-sequence (list)))
564 (define (push-music m)
565 "Push the music expression into the current sequence"
566 (set! current-sequence (cons m current-sequence)))
567 (define (change-voice)
568 "Stores the previously built sequence into the current voice and
569 change to the following voice."
570 (list-set! current-voices 0 (cons (make-music 'SequentialMusic
571 'elements (reverse! current-sequence))
572 (car current-voices)))
573 (set! current-sequence (list))
574 (set! current-voices (cdr current-voices)))
575 (define (bar-check? m)
576 "Checks whether m is a bar check."
577 (eq? (ly:music-property m 'name) 'BarCheck))
578 (define (music-origin music)
579 "Recursively search an origin location stored in music."
580 (cond ((null? music) #f)
581 ((not (null? (ly:music-property music 'origin)))
582 (ly:music-property music 'origin))
583 (else (or (music-origin (ly:music-property music 'element))
584 (let ((origins (remove not (map music-origin
585 (ly:music-property music 'elements)))))
586 (and (not (null? origins)) (car origins)))))))
588 ;; first, split the music and fill in voices
589 (map-in-order (lambda (m)
591 (if (bar-check? m) (change-voice)))
592 (ly:music-property music 'elements))
593 (if (not (null? current-sequence)) (change-voice))
594 ;; un-circularize `voices' and reorder the voices
595 (set! voices (map-in-order (lambda (dummy seqs)
599 ;; set origin location of each sequence in each voice
600 ;; for better type error tracking
601 (for-each (lambda (voice)
602 (for-each (lambda (seq)
603 (set! (ly:music-property seq 'origin)
604 (or (music-origin seq) location)))
608 ;; check sequence length
609 (apply for-each (lambda* (#:rest seqs)
610 (let ((moment-reference (ly:music-length (car seqs))))
611 (for-each (lambda (seq moment)
612 (if (not (equal? moment moment-reference))
613 (ly:music-message seq
614 "Bars in parallel music don't have the same length")))
615 seqs (map-in-order ly:music-length seqs))))
618 ;; bind voice identifiers to the voices
619 (map (lambda (voice-id voice)
620 (ly:parser-define! parser voice-id
621 (make-music 'SequentialMusic
625 ;; Return an empty sequence. This function is actually a "void" function.
626 (make-music 'SequentialMusic 'void #t))
629 #(define-music-function (parser loc arg) (ly:music?)
630 (_i "Tag @var{arg} to be parenthesized.")
632 (if (memq 'event-chord (ly:music-property arg 'types))
633 ;; arg is an EventChord -> set the parenthesize property
634 ;; on all child notes and rests
637 (if (or (memq 'note-event (ly:music-property ev 'types))
638 (memq 'rest-event (ly:music-property ev 'types)))
639 (set! (ly:music-property ev 'parenthesize) #t)))
640 (ly:music-property arg 'elements))
641 ;; No chord, simply set property for this expression:
642 (set! (ly:music-property arg 'parenthesize) #t))
646 #(define-music-function (parser location part1 part2) (ly:music? ly:music?)
647 (_i "Take the music in @var{part1} and @var{part2} and typeset so
648 that they share a staff.")
649 (make-part-combine-music parser
653 #(define-music-function (location parser type once) (symbol-or-boolean? boolean?)
654 (_i "Override the part-combiner.")
655 (make-music 'EventChord
656 'elements (list (make-music 'PartCombineForceEvent
659 partcombineApart = \partcombineForce #'apart ##f
660 partcombineApartOnce = \partcombineForce #'apart ##t
661 partcombineChords = \partcombineForce #'chords ##f
662 partcombineChordsOnce = \partcombineForce #'chords ##t
663 partcombineUnisono = \partcombineForce #'unisono ##f
664 partcombineUnisonoOnce = \partcombineForce #'unisono ##t
665 partcombineSoloI = \partcombineForce #'solo1 ##f
666 partcombineSoloIOnce = \partcombineForce #'solo1 ##t
667 partcombineSoloII = \partcombineForce #'solo2 ##f
668 partcombineSoloIIOnce = \partcombineForce #'solo2 ##t
669 partcombineAutomatic = \partcombineForce ##f ##f
670 partcombineAutomaticOnce = \partcombineForce ##f ##t
674 #(define-music-function
675 (parser location main-note secondary-note)
676 (ly:music? ly:music?)
677 (_i "Print a trill with @var{main-note} as the main note of the trill and
678 print @var{secondary-note} as a stemless note head in parentheses.")
679 (let* ((get-notes (lambda (ev-chord)
681 (lambda (m) (eq? 'NoteEvent (ly:music-property m 'name)))
682 (ly:music-property ev-chord 'elements))))
683 (sec-note-events (get-notes secondary-note))
684 (trill-events (filter (lambda (m) (music-has-type m 'trill-span-event))
685 (ly:music-property main-note 'elements))))
687 (if (pair? sec-note-events)
689 (let* ((trill-pitch (ly:music-property (car sec-note-events) 'pitch))
690 (forced (ly:music-property (car sec-note-events) 'force-accidental)))
692 (if (ly:pitch? trill-pitch)
693 (for-each (lambda (m)
694 (ly:music-set-property! m 'pitch trill-pitch)) trill-events)
696 (ly:warning (_ "Second argument of \\pitchedTrill should be single note: "))
697 (display sec-note-events)))
700 (for-each (lambda (m)
701 (ly:music-set-property! m 'force-accidental forced))
706 #(define-music-function (parser location what main-music) (string? ly:music?)
707 (_i "Indicate a section of music to be quoted. @var{what} indicates the name
708 of the quoted voice, as specified in an @code{\\addQuote} command.
709 @var{main-music} is used to indicate the length of music to be quoted;
710 usually contains spacers or multi-measure rests.")
711 (make-music 'QuoteMusic
713 'quoted-music-name what
717 #(define-music-function (parser location tag music) (symbol? ly:music?)
718 (_i "Remove elements of @var{music} that are tagged with @var{tag}.")
721 (let* ((tags (ly:music-property m 'tags))
722 (res (memq tag tags)))
726 resetRelativeOctave =
727 #(define-music-function (parser location reference-note) (ly:music?)
728 (_i "Set the octave inside a \\relative section.")
730 (let* ((notes (ly:music-property reference-note 'elements))
731 (pitch (ly:music-property (car notes) 'pitch)))
733 (set! (ly:music-property reference-note 'elements) '())
734 (set! (ly:music-property reference-note 'to-relative-callback)
735 (lambda (music last-pitch)
740 revertTimeSignatureSettings =
741 #(define-music-function
742 (parser location time-signature)
745 (_i "Revert @code{timeSignatureSettings}
746 for time signatures of @var{time-signature}.")
747 (revert-time-signature-setting time-signature))
750 #(define-music-function (parser location finger) (number-or-string?)
751 (_i "Apply @var{finger} as a fingering indication.")
760 (list 'digit finger)))))
765 #(define-music-function (parser location fraction music)
766 (number-pair? ly:music?)
767 (_i "Multiply the duration of events in @var{music} by @var{fraction}.")
768 (ly:music-compress music
769 (ly:make-moment (car fraction) (cdr fraction))))
772 #(define-music-function (parser location dur dots arg)
773 (integer? integer? ly:music?)
774 (_i "Scale @var{arg} up by a factor of @var{2^dur*(2-(1/2)^dots)}.")
778 (shift-one-duration-log x dur dots)) arg))
781 #(define-music-function (parser location parameters) (list?)
782 (_i "Set the system stretch, by reading the 'system-stretch property of
783 the `parameters' assoc list.")
785 \overrideProperty #"Score.NonMusicalPaperColumn"
786 #'line-break-system-details
787 #$(list (cons 'alignment-extra-space (cdr (assoc 'system-stretch parameters)))
788 (cons 'system-Y-extent (cdr (assoc 'system-Y-extent parameters))))
792 #(define-music-function (parser location style heads music)
793 (symbol? list-or-symbol? ly:music?)
794 (_i "Set @var{heads} in @var{music} to @var{style}.")
795 (style-note-heads heads style music))
800 #(define-music-function (parser location) ()
801 (_i "Include the string information in a chord repetition.")
802 (ly:parser-set-repetition-function parser tab-repeat-chord)
803 (make-music 'SequentialMusic 'void #t))
806 #(define-music-function (parser location tag arg) (symbol? ly:music?)
808 (_i "Add @var{tag} to the @code{tags} property of @var{arg}.")
811 (ly:music-property arg 'tags)
813 (ly:music-property arg 'tags)))
816 transposedCueDuring =
817 #(define-music-function
818 (parser location what dir pitch-note main-music)
819 (string? ly:dir? ly:music? ly:music?)
821 (_i "Insert notes from the part @var{what} into a voice called @code{cue},
822 using the transposition defined by @var{pitch-note}. This happens
823 simultaneously with @var{main-music}, which is usually a rest. The
824 argument @var{dir} determines whether the cue notes should be notated
825 as a first or second voice.")
827 (make-music 'QuoteMusic
829 'quoted-context-type 'Voice
830 'quoted-context-id "cue"
831 'quoted-music-name what
832 'quoted-voice-direction dir
833 'quoted-transposition (pitch-of-note pitch-note)
837 #(define-music-function (parser location pitch-note) (ly:music?)
838 (_i "Set instrument transposition")
841 (make-property-set 'instrumentTransposition
842 (ly:pitch-negate (pitch-of-note pitch-note)))
846 #(define-music-function (parser location sym val arg)
847 (symbol? scheme? ly:music?)
848 (_i "Add @code{sym . val} to the @code{tweaks} property of @var{arg}.")
850 (if (equal? (object-property sym 'backend-type?) #f)
852 (ly:warning (_ "cannot find property type-check for ~a") sym)
853 (ly:warning (_ "doing assignment anyway"))))
855 (ly:music-property arg 'tweaks)
857 (ly:music-property arg 'tweaks)))
863 #(define-music-function (parser location music) (ly:music?)
864 (_i "Force any @code{\\repeat volta}, @code{\\repeat tremolo} or
865 @code{\\repeat percent} commands in @var{music} to be interpreted
866 as @code{\\repeat unfold}.")
867 (unfold-repeats music))
872 #(define-music-function (parser location sym val music)
873 (symbol? scheme? ly:music?)
874 (_i "Set @var{sym} to @var{val} in @var{music}.")
876 (set! (ly:music-property music sym) val)