% -*-Scheme-*-
-\version "2.6.0"
+\version "2.7.39"
%% need SRFI-1 filter
#(use-modules (srfi srfi-1))
+
+tweak = #(define-music-function (parser location sym val arg)
+ (symbol? scheme? ly:music?)
+
+ "Add @code{sym . val} to the @code{tweaks} property of @var{arg}."
+
+
+ (set!
+ (ly:music-property arg 'tweaks)
+ (acons sym val
+ (ly:music-property arg 'tweaks)))
+ arg)
+
+tag = #(define-music-function (parser location tag arg)
+ (symbol? ly:music?)
+
+ "Add @var{tag} to the @code{tags} property of @var{arg}."
+
+ (set!
+ (ly:music-property arg 'tags)
+ (cons tag
+ (ly:music-property arg 'tags)))
+ arg)
+
+clef =
+#(define-music-function (parser location type)
+ (string?)
+
+ "Set the current clef."
+
+ (make-clef-set type))
+
+bar =
+#(define-music-function (parser location type)
+ (string?)
+ (context-spec-music
+ (make-property-set 'whichBar type)
+ 'Timing))
+
applyMusic =
-#(def-music-function (parser location func music) (procedure? ly:music?)
+#(define-music-function (parser location func music) (procedure? ly:music?)
(func music))
oldaddlyrics =
-#(def-music-function (parser location music lyrics) (ly:music? ly:music?)
+#(define-music-function (parser location music lyrics) (ly:music? ly:music?)
(make-music 'OldLyricCombineMusic
'origin location
#(def-grace-function startAppoggiaturaMusic stopAppoggiaturaMusic)
partcombine =
-#(def-music-function (parser location part1 part2) (ly:music? ly:music?)
+#(define-music-function (parser location part1 part2) (ly:music? ly:music?)
(make-part-combine-music (list part1 part2)))
autochange =
-#(def-music-function (parser location music) (ly:music?)
+#(define-music-function (parser location music) (ly:music?)
(make-autochange-music music))
applyContext =
-#(def-music-function (parser location proc) (procedure?)
+#(define-music-function (parser location proc) (procedure?)
(make-music 'ApplyContext
'origin location
'procedure proc))
+shiftDurations =
+#(define-music-function (parser location dur dots arg) (integer? integer? ly:music?)
+ ""
+
+
+ (music-map
+ (lambda (x)
+ (shift-one-duration-log x dur dots)) arg))
+
musicMap =
-#(def-music-function (parser location proc mus) (procedure? ly:music?)
+#(define-music-function (parser location proc mus) (procedure? ly:music?)
(music-map proc mus))
displayMusic =
-#(def-music-function (parser location music) (ly:music?)
+#(define-music-function (parser location music) (ly:music?)
(display-scheme-music music)
music)
#(use-modules (scm display-lily))
#(display-lily-init parser)
displayLilyMusic =
-#(def-music-function (parser location music) (ly:music?)
+#(define-music-function (parser location music) (ly:music?)
(display-lily-music music)
music)
applyOutput =
-#(def-music-function (parser location proc) (procedure?)
- (make-music 'ApplyOutputEvent
+#(define-music-function (parser location ctx proc) (symbol? procedure?)
+ (make-music 'ApplyOutputEvent
'origin location
- 'procedure proc))
+ 'procedure proc
+ 'context-type ctx))
overrideProperty =
-#(def-music-function (parser location name property value)
+#(define-music-function (parser location name property value)
(string? symbol? scheme?)
(if (equal?
(cdr (assoc 'name (ly:grob-property grob 'meta)))
grob-name)
- (set! (ly:grob-property grob property) value)
- )))
+ (set! (ly:grob-property grob property) value))))
context-name)))
breathe =
-#(def-music-function (parser location) ()
+#(define-music-function (parser location) ()
(make-music 'EventChord
'origin location
'elements (list (make-music 'BreathingSignEvent))))
unfoldRepeats =
-#(def-music-function (parser location music) (ly:music?)
+#(define-music-function (parser location music) (ly:music?)
(unfold-repeats music))
compressMusic =
-#(def-music-function
+#(define-music-function
(parser location fraction music) (number-pair? ly:music?)
(ly:music-compress music (ly:make-moment (car fraction) (cdr fraction))))
makeClusters =
-#(def-music-function
+#(define-music-function
(parser location arg) (ly:music?)
(music-map note-to-cluster arg))
removeWithTag =
-#(def-music-function
+#(define-music-function
(parser location tag music) (symbol? ly:music?)
(music-filter
(lambda (m)
music))
keepWithTag =
-#(def-music-function
+#(define-music-function
(parser location tag music) (symbol? ly:music?)
(music-filter
(lambda (m)
%% Todo:
%% doing
-%% def-music-function in a .scm causes crash.
+%% define-music-function in a .scm causes crash.
cueDuring =
-#(def-music-function
+#(define-music-function
(parser location what dir main-music)
(string? ly:dir? ly:music?)
(make-music 'QuoteMusic
'origin location))
+transposedCueDuring = #
+(define-music-function
+ (parser location what dir pitch-note main-music)
+ (string? ly:dir? ly:music? ly:music?)
+
+ "Insert notes from the part @var{what} into a voice called @code{cue},
+using the transposition defined by @var{pitch-note}. This happens
+simultaneously with @var{main-music}, which is usually a rest. The
+argument @var{dir} determines whether the cue notes should be notated
+as a first or second voice."
+
+ (make-music 'QuoteMusic
+ 'element main-music
+ 'quoted-context-type 'Voice
+ 'quoted-context-id "cue"
+ 'quoted-music-name what
+ 'quoted-voice-direction dir
+ 'quoted-transposition (pitch-of-note pitch-note)
+ 'origin location))
+
+
quoteDuring = #
-(def-music-function
+(define-music-function
(parser location what main-music)
(string? ly:music?)
(make-music 'QuoteMusic
'origin location))
-
pitchedTrill =
-#(def-music-function
+#(define-music-function
(parser location main-note secondary-note)
(ly:music? ly:music?)
(let*
main-note))
killCues =
-#(def-music-function
+#(define-music-function
(parser location music)
(ly:music?)
(music-map
#(cons 6 8)
afterGrace =
-#(def-music-function
+#(define-music-function
(parser location main grace)
(ly:music? ly:music?)
barNumberCheck =
-#(def-music-function (parser location n) (integer?)
+#(define-music-function (parser location n) (integer?)
(make-music 'ApplyContext
'origin location
'procedure
% for regression testing purposes.
assertBeamQuant =
-#(def-music-function (parser location l r) (pair? pair?)
+#(define-music-function (parser location l r) (pair? pair?)
(make-grob-property-override 'Beam 'positions
(ly:make-simple-closure
(ly:make-simple-closure
% for regression testing purposes.
assertBeamSlope =
-#(def-music-function (parser location comp) (procedure?)
+#(define-music-function (parser location comp) (procedure?)
(make-grob-property-override 'Beam 'positions
(ly:make-simple-closure
(ly:make-simple-closure
(append
(list chain-grob-member-functions `(,cons 0 0))
(check-slope-callbacks comp))))))
-
-
-%{
+parallelMusic =
+#(define-music-function (parser location voice-ids music) (list? ly:music?)
+ "Define parallel music sequences, separated by '|' (bar check signs),
+and assign them to the identifiers provided in @var{voice-ids}.
+
+@var{voice-ids}: a list of music identifiers (symbols containing only letters)
+
+@var{music}: a music sequence, containing BarChecks as limiting expressions.
+
+Example:
+ \\parallelMusic #'(A B C) {
+ c c | d d | e e |
+ d d | e e | f f |
+ }
+<==>
+ A = { c c | d d | }
+ B = { d d | e e | }
+ C = { e e | f f | }
+"
+ (let* ((voices (apply circular-list (make-list (length voice-ids) (list))))
+ (current-voices voices)
+ (current-sequence (list)))
+ ;;
+ ;; utilities
+ (define (push-music m)
+ "Push the music expression into the current sequence"
+ (set! current-sequence (cons m current-sequence)))
+ (define (change-voice)
+ "Stores the previously built sequence into the current voice and
+ change to the following voice."
+ (list-set! current-voices 0 (cons (make-music 'SequentialMusic
+ 'elements (reverse! current-sequence))
+ (car current-voices)))
+ (set! current-sequence (list))
+ (set! current-voices (cdr current-voices)))
+ (define (bar-check? m)
+ "Checks whether m is a bar check."
+ (eq? (ly:music-property m 'name) 'BarCheck))
+ (define (music-origin music)
+ "Recursively search an origin location stored in music."
+ (cond ((null? music) #f)
+ ((not (null? (ly:music-property music 'origin)))
+ (ly:music-property music 'origin))
+ (else (or (music-origin (ly:music-property music 'element))
+ (let ((origins (remove not (map music-origin
+ (ly:music-property music 'elements)))))
+ (and (not (null? origins)) (car origins)))))))
+ ;;
+ ;; first, split the music and fill in voices
+ (map-in-order (lambda (m)
+ (push-music m)
+ (if (bar-check? m) (change-voice)))
+ (ly:music-property music 'elements))
+ (if (not (null? current-sequence)) (change-voice))
+ ;; un-circularize `voices' and reorder the voices
+ (set! voices (map-in-order (lambda (dummy seqs)
+ (reverse! seqs))
+ voice-ids voices))
+ ;;
+ ;; set origin location of each sequence in each voice
+ ;; for better type error tracking
+ (for-each (lambda (voice)
+ (for-each (lambda (seq)
+ (set! (ly:music-property seq 'origin)
+ (or (music-origin seq) location)))
+ voice))
+ voices)
+ ;;
+ ;; check sequence length
+ (apply for-each (lambda (. seqs)
+ (let ((moment-reference (ly:music-length (car seqs))))
+ (for-each (lambda (seq moment)
+ (if (not (equal? moment moment-reference))
+ (ly:music-message seq
+ "Bars in parallel music don't have the same length")))
+ seqs (map-in-order ly:music-length seqs))))
+ voices)
+ ;;
+ ;; bind voice identifiers to the voices
+ (map (lambda (voice-id voice)
+ (ly:parser-define! parser voice-id
+ (make-music 'SequentialMusic
+ 'origin location
+ 'elements voice)))
+ voice-ids voices))
+ ;; Return an empty sequence. this function is actually a "void" function.
+ (make-music 'SequentialMusic 'void #t))
+
+
+
+
+%% this is a stub. Write your own to suit the spacing tweak output.
+spacingTweaks =
+#(define-music-function (parser location parameters) (list?)
+ (make-music 'SequentialMusic 'void #t))
+
+octave =
+#(define-music-function (parser location pitch-note) (ly:music?)
+ "octave check"
+
+ (make-music 'RelativeOctaveCheck
+ 'origin location
+ 'pitch (pitch-of-note pitch-note)
+ ))
-TODO:
+addquote =
+#(define-music-function (parser location name music) (string? ly:music?)
+ "Add a piece of music to be quoted "
+ (add-quotable name music)
+ (make-music 'SequentialMusic 'void #t))
-remove these from the parser, and softcode here:
+
+parenthesize =
+#(define-music-function (parser loc arg) (ly:music?)
+ "Tag @var{arg} to be parenthesized."
- * \tag
+ (set! (ly:music-property arg 'parenthesize) #t)
+ arg)
-with small syntax changes, we could also do
- * \bar
- * ?
+featherDurations=
+#(define-music-function (parser location factor argument) (ly:moment? ly:music?)
-%}
+ "Rearrange durations in ARGUMENT so there is an
+acceleration/deceleration. "
+
+ (let*
+ ((orig-duration (ly:music-length argument))
+ (multiplier (ly:make-moment 1 1)))
+
+ (music-map
+ (lambda (mus)
+ (if (and (eq? (ly:music-property mus 'name) 'EventChord)
+ (< 0 (ly:moment-main-denominator (ly:music-length mus))))
+ (begin
+ (ly:music-compress mus multiplier)
+ (set! multiplier (ly:moment-mul factor multiplier)))
+ )
+ mus)
+ argument)
+
+ (ly:music-compress
+ argument
+ (ly:moment-div orig-duration (ly:music-length argument)))
+
+ argument))