;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
-;;;; (c) 1998--2005 Jan Nieuwenhuizen <janneke@gnu.org>
-;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
+;;;; (c) 1998--2007 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; Han-Wen Nienhuys <hanwen@xs4all.nl>
;; (use-modules (ice-9 optargs))
(make-procedure-with-setter ly:music-property
ly:music-set-property!))
+(define-safe-public (music-is-of-type? mus type)
+ "Does @code{mus} belong to the music class @code{type}?"
+ (memq type (ly:music-property mus 'types)))
+
+;; 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.
(define-public (display-music music)
"Display music, not done with music-map for clarity of presentation."
+
(display music)
(display ": { ")
(let ((es (ly:music-property music 'elements))
(display " }\n")
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)
+ (if (string? mrkup)
+ `(#:simple ,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)
+
+;;;
+;;; Scheme music expression --> Lily-syntax-using string translator
+;;;
+(use-modules (srfi srfi-39)
+ (scm display-lily))
+
+(define*-public (display-lily-music expr parser #:key force-duration)
+ "Display the music expression using LilyPond syntax"
+ (memoize-clef-names supported-clefs)
+ (parameterize ((*indent* 0)
+ (*previous-duration* (ly:make-duration 2))
+ (*force-duration* force-duration))
+ (display (music->lily-string expr parser))
+ (newline)))
+
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-(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:music-property music 'duration)))
(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* ((dots (1- (logcount times)))
+ (mult (/ (* times (ash 1 dots)) (1- (ash 2 dots))))
+ (shift (- (ly:intlog2 (floor mult)))))
+ (if (not (integer? mult))
+ (ly:warning (_ "invalid tremolo repeat count: ~a") times))
+ (if (memq 'sequential-music (ly:music-property main 'types))
+ ;; \repeat "tremolo" { c4 d4 }
+ (let ((children (length (ly:music-property main 'elements))))
+
+ ;; fixme: should be more generic.
+ (if (and (not (= children 2))
+ (not (= children 1)))
+ (ly:warning (_ "expecting 2 elements for chord tremolo, found ~a") children))
+ (ly:music-compress r (ly:make-moment 1 children))
+ (shift-duration-log r
+ (if (= children 2) (1- shift) shift)
+ dots))
+ ;; \repeat "tremolo" c4
+ (shift-duration-log r shift dots)))
+ r)))
+
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; clusters.
(define-public (unfold-repeats music)
"
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))
- (begin
- (if (equal? (ly:music-property music 'iterator-ctor)
- Chord_tremolo_iterator::constructor)
+ (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))
(ly:intlog2 count)) dot-shift)
(if seq-arg?
- (ly:music-compress e (ly:make-moment (length (ly:music-property e 'elements)) 1)))))
+ (ly:music-compress e (ly:make-moment (length (ly:music-property
+ e 'elements)) 1)))))))
- (set! (ly:music-property music 'length-callback)
- Repeated_music::unfolded_music_length)
- (set! (ly:music-property music 'start-callback)
- Repeated_music::first_start)
- (set! (ly:music-property music 'iterator-ctor)
- Unfolded_repeat_iterator::constructor)))
(if (pair? es)
(set! (ly:music-property music 'elements)
(define-public (make-grob-property-revert grob gprop)
"Revert the grob property GPROP for GROB."
- (make-music 'OverrideProperty
+ (make-music 'RevertProperty
'symbol grob
'grob-property gprop))
(define direction-polyphonic-grobs
- '(Stem Tie Rest Slur Script TextScript Dots DotColumn Fingering))
+ '(DotColumn
+ Dots
+ Fingering
+ LaissezVibrerTie
+ PhrasingSlur
+ RepeatTie
+ Rest
+ Script
+ Slur
+ Stem
+ TextScript
+ Tie))
(define-safe-public (make-voice-props-set n)
(make-sequential-music
(if (odd? n) -1 1)))
direction-polyphonic-grobs)
(list
+ (make-property-set 'graceSettings
+ ;; TODO: take this from voicedGraceSettings or similar.
+ '((Voice Stem font-size -3)
+ (Voice NoteHead font-size -3)
+ (Voice Dots font-size -3)
+ (Voice Stem length-fraction 0.8)
+ (Voice Stem no-stem-extend #t)
+ (Voice Beam thickness 0.384)
+ (Voice Beam length-fraction 0.8)
+ (Voice Accidental font-size -4)))
+
(make-grob-property-set 'NoteColumn 'horizontal-shift (quotient n 2))
(make-grob-property-set 'MultiMeasureRest 'staff-position (if (odd? n) -4 4))))))
(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 'MultiMeasureRest 'staff-position)))))
+ (list (make-property-unset 'graceSettings)
+ (make-grob-property-revert 'NoteColumn 'horizontal-shift)
+ (make-grob-property-revert 'MultiMeasureRest 'staff-position)))))
(define-safe-public (context-spec-music m context #:optional id)
;; mmrest
(define-public (make-multi-measure-rest duration location)
- (make-music 'MultiMeasureRestMusicGroup
+ (make-music 'MultiMeasureRestMusic
'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 ((dir (ly:music-property script-music 'direction))
- (p (make-music 'MultiMeasureTextEvent
- 'text (ly:music-property script-music 'text))))
- (if (ly:dir? dir)
- (set! (ly:music-property p 'direction) dir))
- p))
- (if (eq? (ly:music-property music 'name) 'MultiMeasureRestMusicGroup)
- (let* ((text? (lambda (x) (memq 'script-event (ly:music-property x 'types))))
- (es (ly:music-property music 'elements))
- (texts (map script-to-mmrest-text (filter text? es)))
- (others (remove text? es)))
- (if (pair? texts)
- (set! (ly:music-property music 'elements)
- (cons (make-event-chord texts) others)))))
- music)
-
+ 'duration duration))
(define-public (make-property-set sym val)
(make-music 'PropertySet
'symbol sym
'value val))
+(define-public (make-property-unset sym)
+ (make-music 'PropertyUnset
+ 'symbol sym))
+
(define-public (make-ottava-set octavation)
(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)))))
+ (if (number? (ly:context-property context 'middleCOffset))
+ (let ((where (ly:context-property-where-defined context 'middleCOffset)))
+ (ly:context-unset-property where 'middleCOffset)
+ (ly:context-unset-property where 'ottavation)))
+
+ (let* ((offset (* -7 octavation))
+ (string (cdr (assoc octavation '((2 . "15ma")
+ (1 . "8va")
+ (0 . #f)
+ (-1 . "8vb")
+ (-2 . "15mb"))))))
+ (ly:context-set-property! context 'middleCOffset offset)
+ (ly:context-set-property! context 'ottavation string)
+ (ly:set-middle-C! context)))
(set! (ly:music-property m 'procedure) ottava-modify)
(context-spec-music m 'Staff)))
(define-public (make-time-signature-set num den . rest)
"Set properties for time signature NUM/DEN. Rest can contain a list
of beat groupings "
+
+ (define (standard-beat-grouping num den)
+
+ "Some standard subdivisions for time signatures."
+ (let*
+ ((key (cons num den))
+ (entry (assoc key '(((6 . 8) . (3 3))
+ ((5 . 8) . (3 2))
+ ((9 . 8) . (3 3 3))
+ ((12 . 8) . (3 3 3 3))
+ ((8 . 8) . (3 3 2))
+ ))))
+
+ (if entry
+ (cdr entry)
+ '())))
+
(let* ((set1 (make-property-set 'timeSignatureFraction (cons num den)))
(beat (ly:make-moment 1 den))
(len (ly:make-moment num den))
(set3 (make-property-set 'measureLength len))
(set4 (make-property-set 'beatGrouping (if (pair? rest)
(car rest)
- '())))
+ (standard-beat-grouping num den))))
(basic (list set1 set2 set3 set4)))
(descend-to-context
(context-spec-music (make-sequential-music basic) 'Timing) 'Score)))
(define-public (set-time-signature num den . rest)
(ly:export (apply make-time-signature-set `(,num ,den . ,rest))))
-(define-safe-public (make-penalty-music pen page-pen)
- (make-music 'BreakEvent
- 'penalty pen
- 'page-penalty page-pen))
-
(define-safe-public (make-articulation name)
(make-music 'ArticulationEvent
'articulation-type name))
'duration duration
'text string))
-(define-safe-public (make-span-event type spandir)
+(define-safe-public (make-span-event type span-dir)
(make-music type
- 'span-direction spandir))
+ 'span-direction span-dir))
(define-public (set-mus-properties! m alist)
"Set all of ALIST as properties of M."
"Split the parts of a chord into different Voices using separator"
(let ((es (ly:music-property ch 'elements)))
(set! (ly:music-property ch 'elements)
- (voicify-list (split-list es music-separator?) 0))
+ (voicify-list (split-list-by-separator es music-separator?) 0))
ch))
(define-public (voicify-music m)
"Recursively split chords that are separated with \\ "
(if (not (ly:music? m))
- (begin (display m)
- (error "not music!")))
+ (ly:error (_ "music expected: ~S") m))
(let ((es (ly:music-property m 'elements))
(e (ly:music-property m 'element)))
(define-public (empty-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)
(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 (memq (ly:music-property mus 'name) '(SkipEvent SkipMusic))
+ (make-music 'RestEvent 'duration (ly:music-property mus 'duration))
+ mus))
+
+
+(define-public (music-has-type music type)
+ (memq type (ly:music-property music 'types)))
+
+(define-public (music-clone music)
+ (define (alist->args alist acc)
+ (if (null? alist)
+ acc
+ (alist->args (cdr alist)
+ (cons (caar alist) (cons (cdar alist) acc)))))
+
+ (apply
+ make-music
+ (ly:music-property music 'name)
+ (alist->args (ly:music-mutable-properties music) '())))
+
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; 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-property x 'name) 'RequestChord))
- elts)))
-(define (ly:music-message music msg)
+(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: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.\nPlease insert 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)
-
-
+ (ly:warning msg))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
((< 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)
(ly:context-set-property! where 'graceSettings new-settings)))
(ly:export (context-spec-music (make-apply-context set-prop) 'Voice)))
+(define-public (remove-grace-property context-name grob sym)
+ "Remove all SYM for GROB in CONTEXT-NAME. "
+ (define (sym-grob-context? property sym grob context-name)
+ (and (eq? (car property) context-name)
+ (eq? (cadr property) grob)
+ (eq? (caddr property) sym)))
+ (define (delete-prop context)
+ (let* ((where (ly:context-property-where-defined context 'graceSettings))
+ (current (ly:context-property where 'graceSettings))
+ (prop-settings (filter
+ (lambda(x) (sym-grob-context? x sym grob context-name))
+ current))
+ (new-settings current))
+ (for-each (lambda(x)
+ (set! new-settings (delete x new-settings)))
+ prop-settings)
+ (ly:context-set-property! where 'graceSettings new-settings)))
+ (ly:export (context-spec-music (make-apply-context delete-prop) 'Voice)))
+
(defmacro-public def-grace-function (start stop)
- `(def-music-function (parser location music) (ly:music?)
+ `(define-music-function (parser location music) (ly:music?)
(make-music 'GraceMusic
'origin location
'element (make-music 'SequentialMusic
music
(ly:music-deep-copy ,stop))))))
-(defmacro-public def-music-function (args signature . body)
+(defmacro-public define-music-function (args signature . body)
"Helper macro for `ly:make-music-function'.
Syntax:
- (def-music-function (parser location arg1 arg2 ...) (arg1-type? arg2-type? ...)
+ (define-music-function (parser location arg1 arg2 ...) (arg1-type? arg2-type? ...)
...function body...)
"
`(ly:make-music-function (list ,@signature)
(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
;; for the quotes is determined in the iterator.
(make-sequential-music
(list
- (context-spec-music (make-voice-props-set cue-voice) 'Voice "cue")
+ (context-spec-music (make-voice-props-set cue-voice) 'CueVoice "cue")
quote-music
- (context-spec-music (make-voice-props-revert) 'Voice "cue"))))
+ (context-spec-music (make-voice-props-revert) 'CueVoice "cue"))))
(set! main-music
(make-sequential-music
(list
(quoted-vector (if (string? quoted-name)
(hash-ref quote-tab quoted-name #f)
#f)))
+
(if (string? quoted-name)
- (if (vector? quoted-vector)
- (set! (ly:music-property music 'quoted-events) quoted-vector)
- (ly:warn "Cannot find quoted music `~S'" 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 (_ "cannot find quoted music: `~S'") quoted-name)))
music))
(ly:music-length music))
music)
+(define-public (make-duration-of-length moment)
+ "Make duration of the given MOMENT length."
+ (ly:make-duration 0 0
+ (ly:moment-main-numerator moment)
+ (ly:moment-main-denominator moment)))
+
+(define (skip-this moment)
+ "set skipTypesetting, make SkipMusic of the given MOMENT length,
+ and then unset skipTypesetting."
+ (make-sequential-music
+ (list
+ (context-spec-music (make-property-set 'skipTypesetting #t)
+ 'Score)
+ (make-music 'SkipMusic 'duration
+ (make-duration-of-length moment))
+ (context-spec-music (make-property-set 'skipTypesetting #f)
+ 'Score))))
+
+(define (unskip-this moment)
+ "unset skipTypesetting, make SkipMusic of the given MOMENT length,
+ and then set skipTypesetting."
+ (make-sequential-music
+ (list
+ (context-spec-music (make-property-set 'skipTypesetting #f)
+ 'Score)
+ (make-music 'SkipMusic 'duration
+ (make-duration-of-length moment))
+ (context-spec-music (make-property-set 'skipTypesetting #t)
+ 'Score))))
+
+(define (skip-as-needed music parser)
+ "Replace MUSIC by
+ << { \\set skipTypesetting = ##f
+ LENGTHOF(\\showFirstLength)
+ \\set skipTypesetting = ##t
+ LENGTHOF(\\showLastLength) }
+ MUSIC >>
+ if appropriate.
+
+ When only showFirstLength is set,
+ the 'length property of the music is
+ overridden to speed up compiling."
+ (let*
+ ((show-last (ly:parser-lookup parser 'showLastLength))
+ (show-first (ly:parser-lookup parser 'showFirstLength)))
+ (cond
+
+ ;; both properties may be set.
+ ((and (ly:music? show-first) (ly:music? show-last))
+ (let*
+ ((orig-length (ly:music-length music))
+ (skip-length (ly:moment-sub orig-length (ly:music-length show-last)))
+ (begin-length (ly:music-length show-first)))
+ (make-simultaneous-music
+ (list
+ (make-sequential-music
+ (list
+ (skip-this skip-length)
+ ;; let's draw a separator between the beginning and the end
+ (context-spec-music (make-property-set 'whichBar "||")
+ 'Timing)))
+ (unskip-this begin-length)
+ music))))
+
+ ;; we may only want to print the last length
+ ((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
+ (skip-this skip-length)
+ music))))
+
+ ;; we may only want to print the beginning; in this case
+ ;; only the first length will be processed (much faster).
+ ((ly:music? show-first)
+ (let*
+ ((orig-length (ly:music-length music))
+ (begin-length (ly:music-length show-first)))
+ ;; the first length must not exceed the original length.
+ (if (ly:moment<? begin-length orig-length)
+ (set! (ly:music-property music 'length)
+ (ly:music-length show-first)))
+ music))
+
+ (else music))))
+
+
(define-public toplevel-music-functions
(list
- ;; check-start-chords ; ; no longer needed with chord syntax.
(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) (music-map cue-substitute x))
+
+ (lambda (x parser)
+ (skip-as-needed x parser)
+ )))
+
;;;;;;;;;;;;;;;;;
;; lyrics
(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:grob-property grob 'meta))
- (nm (if (pair? meta) (cdr (assoc 'name meta)) "nonexistant"))
- (cb (ly:grob-property grob 'print-function)))
- (if (equal? nm object-name)
- (begin
- (set! (ly:grob-property grob 'print-function) Balloon_interface::print)
- (set! (ly:grob-property grob 'balloon-original-callback) 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)))))))
-
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; accidentals
+(define-public ((make-accidental-rule octaveness lazyness) context pitch barnum measurepos)
+ "Creates an accidental rule that makes its decision based on the octave of the note
+ and a laziness value.
+ octaveness is either 'same-octave or 'any-octave and defines whether the rule should
+ respond to accidental changes in other octaves than the current. 'same-octave is the
+ normal way to typeset accidentals - an accidental is made if the alteration is different
+ from the last active pitch in the same octave. 'any-octave looks at the last active pitch
+ in any octave.
+ lazyness states over how many bars an accidental should be remembered.
+ 0 is default - accidental lasts over 0 bar lines, that is, to the end of current measure.
+ A positive integer means that the accidental lasts over that many bar lines.
+ -1 is 'forget immediately', that is, only look at key signature.
+ #t is forever."
+ (let ((keysig (ly:context-property context 'localKeySignature)))
+ (ly:find-accidentals-simple keysig pitch barnum lazyness octaveness)))
+
+(define (key-entry-notename entry)
+ "Return the pitch of an entry in localKeySignature. The entry is either of the form
+ '(notename . alter) or '((octave . notename) . (alter barnum . measurepos))."
+ (if (number? (car entry))
+ (car entry)
+ (cdar entry)))
+
+(define (key-entry-octave entry)
+ "Return the octave of an entry in localKeySignature (or #f if the entry does not have
+ an octave)."
+ (and (pair? (car entry)) (caar entry)))
+
+(define (key-entry-bar-number entry)
+ "Return the bar number of an entry in localKeySignature (or #f if the entry does not
+ have a bar number)."
+ (and (pair? (car entry)) (caddr entry)))
+
+(define (key-entry-measure-position entry)
+ "Return the measure position of an entry in localKeySignature (or #f if the entry does
+ not have a measure position)."
+ (and (pair? (car entry)) (cdddr entry)))
+
+(define (key-entry-alteration entry)
+ "Return the alteration of an entry in localKeySignature."
+ (if (number? (car entry))
+ (cdr entry)
+ (cadr entry)))
+
+(define-public (find-pitch-entry keysig pitch accept-global accept-local)
+ "Return the first entry in keysig that matches the pitch.
+ accept-global states whether key signature entries should be included.
+ accept-local states whether local accidentals should be included.
+ if no matching entry is found, #f is returned."
+ (if (pair? keysig)
+ (let* ((entry (car keysig))
+ (entryoct (key-entry-octave entry))
+ (entrynn (key-entry-notename entry))
+ (oct (ly:pitch-octave pitch))
+ (nn (ly:pitch-notename pitch)))
+ (if (and (equal? nn entrynn)
+ (or (and accept-global (equal? #f entryoct))
+ (and accept-local (equal? oct entryoct))))
+ entry
+ (find-pitch-entry (cdr keysig) pitch accept-global accept-local)))
+ #f))
+
+(define-public (neo-modern-accidental-rule context pitch barnum measurepos)
+ "an accidental rule that typesets an accidental if it differs from the key signature
+ AND does not directly follow a note on the same staff-line.
+ This rule should not be used alone because it does neither look at bar lines
+ nor different accidentals at the same notename"
+ (let* ((keysig (ly:context-property context 'localKeySignature))
+ (entry (find-pitch-entry keysig pitch #t #t)))
+ (if (equal? #f entry)
+ (cons #f #f)
+ (let* ((global-entry (find-pitch-entry keysig pitch #t #f))
+ (key-acc (if (equal? global-entry #f)
+ 0
+ (key-entry-alteration global-entry)))
+ (acc (ly:pitch-alteration pitch))
+ (entrymp (key-entry-measure-position entry))
+ (entrybn (key-entry-bar-number entry)))
+ (cons #f (not (or (equal? acc key-acc)
+ (and (equal? entrybn barnum) (equal? entrymp measurepos)))))))))
+
+(define-public (teaching-accidental-rule context pitch barnum measurepos)
+ "an accidental rule that typesets a cautionary accidental
+ if it is included in the key signature AND does not directly follow
+ a note on the same staff-line."
+ (let* ((keysig (ly:context-property context 'localKeySignature))
+ (entry (find-pitch-entry keysig pitch #t #t)))
+ (if (equal? #f entry)
+ (cons #f #f)
+ (let* ((global-entry (find-pitch-entry keysig pitch #f #f))
+ (key-acc (if (equal? global-entry #f)
+ 0
+ (key-entry-alteration global-entry)))
+ (acc (ly:pitch-alteration pitch))
+ (entrymp (key-entry-measure-position entry))
+ (entrybn (key-entry-bar-number entry)))
+ (cons #f (not (or (equal? acc key-acc)
+ (and (equal? entrybn barnum) (equal? entrymp measurepos)))))))))
+
(define-public (set-accidentals-properties extra-natural
auto-accs 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
+e.g. 'Staff or 'Voice. The context defaults to Staff, except for piano styles, which
use GrandStaff as a context. "
(let ((context (if (pair? rest)
(car rest) 'Staff))
(cond
;; accidentals as they were common in the 18th century.
((equal? style 'default)
- (set-accidentals-properties #t '(Staff (same-octave . 0))
- '() context))
+ (set-accidentals-properties #t
+ `(Staff ,(make-accidental-rule '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))
+ (set-accidentals-properties #t
+ `(Voice ,(make-accidental-rule '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))
+ (set-accidentals-properties #f
+ `(Staff ,(make-accidental-rule 'same-octave 0)
+ ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule '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))
+ (set-accidentals-properties #f
+ `(Staff ,(make-accidental-rule 'same-octave 0))
+ `(Staff ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule 'same-octave 1))
+ context))
+ ;; same as modern, but accidentals different from the key signature are always
+ ;; typeset - unless they directly follow a note of the same pitch.
+ ((equal? style 'neo-modern)
+ (set-accidentals-properties #f
+ `(Staff ,(make-accidental-rule 'same-octave 0)
+ ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule 'same-octave 1)
+ ,neo-modern-accidental-rule)
+ '()
+ context))
+ ((equal? style 'neo-modern-cautionary)
+ (set-accidentals-properties #f
+ `(Staff ,(make-accidental-rule 'same-octave 0))
+ `(Staff ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule 'same-octave 1)
+ ,neo-modern-accidental-rule)
+ context))
+ ;; Accidentals as they were common in dodecaphonic music with no tonality.
+ ;; Each note gets one accidental.
+ ((equal? style 'dodecaphonic)
+ (set-accidentals-properties #f
+ `(Staff ,(lambda (c p bn mp) '(#f . #t)))
+ '()
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))
+ `(Voice ,(make-accidental-rule 'same-octave 0)
+ ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule 'same-octave 1)
+ Staff ,(make-accidental-rule 'same-octave 0)
+ ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule '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))
+ `(Voice ,(make-accidental-rule 'same-octave 0))
+ `(Voice ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule 'same-octave 1)
+ Staff ,(make-accidental-rule 'same-octave 0)
+ ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule '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))
+ `(Staff ,(make-accidental-rule 'same-octave 0)
+ ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule 'same-octave 1)
+ GrandStaff
+ ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule '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))
+ `(Staff ,(make-accidental-rule 'same-octave 0))
+ `(Staff ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule 'same-octave 1)
+ GrandStaff
+ ,(make-accidental-rule 'any-octave 0)
+ ,(make-accidental-rule 'same-octave 1))
pcontext))
+
+ ;; same as modern, but cautionary accidentals are printed for all sharp or flat
+ ;; tones specified by the key signature.
+ ((equal? style 'teaching)
+ (set-accidentals-properties #f
+ `(Staff ,(make-accidental-rule 'same-octave 0))
+ `(Staff ,(make-accidental-rule 'same-octave 1)
+ ,teaching-accidental-rule)
+ context))
+
;; 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
+ ;; 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))
+ `(Staff ,(make-accidental-rule '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))
+ `(Staff ,(make-accidental-rule 'same-octave #t))
'()
context))
(else
- (ly:warn "Unknown accidental style: ~S" (symbol->string style))
+ (ly:warning (_ "unknown accidental style: ~S") style)
(make-sequential-music '()))))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(ly:make-duration 0 0) '())))
(ly:music-compress skip (ly:music-length mus))
skip))
+
+(define-public (pitch-of-note event-chord)
+
+ (let*
+ ((evs (filter (lambda (x) (memq 'note-event (ly:music-property x 'types)))
+ (ly:music-property event-chord 'elements))))
+
+ (if (pair? evs)
+ (ly:music-property (car evs) 'pitch)
+ #f)))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(define-public (extract-named-music music music-name)
+"Return a flat list of all music named @code{music-name}
+from @code{music}."
+ (let ((extracted-list
+ (if (ly:music? music)
+ (if (eq? (ly:music-property music 'name) music-name)
+ (list music)
+ (let ((elt (ly:music-property music 'element))
+ (elts (ly:music-property music 'elements)))
+ (if (ly:music? elt)
+ (extract-named-music elt music-name)
+ (if (null? elts)
+ '()
+ (map (lambda(x)
+ (extract-named-music x music-name ))
+ elts)))))
+ '())))
+ (flatten-list extracted-list)))
+
+(define-public (event-chord-notes event-chord)
+"Return a list of all notes from @{event-chord}."
+ (filter
+ (lambda (m) (eq? 'NoteEvent (ly:music-property m 'name)))
+ (ly:music-property event-chord 'elements)))
+
+(define-public (event-chord-pitches event-chord)
+"Return a list of all pitches from @{event-chord}."
+ (map (lambda (x) (ly:music-property x 'pitch))
+ (event-chord-notes event-chord)))
projects / lilypond.git / blobdiff