;;;;
;;;; source file of the GNU LilyPond music typesetter
;;;;
-;;;; (c) 1998--2005 Jan Nieuwenhuizen <janneke@gnu.org>
+;;;; (c) 1998--2006 Jan Nieuwenhuizen <janneke@gnu.org>
;;;; Han-Wen Nienhuys <hanwen@cs.uu.nl>
;; (use-modules (ice-9 optargs))
(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.
(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)
+ (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:music-property music 'duration)))
(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 (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))
+ '(Stem Tie Rest Slur PhrasingSlur Script TextScript Dots DotColumn Fingering))
(define-safe-public (make-voice-props-set n)
(make-sequential-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."
+ "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)
(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)
+ (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 texts) others)))))
+ (cons (make-event-chord
+ (append texts events))
+ others)))
+
+ ))
+
music)
(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))
(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)))
(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))
+
+
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; warn for bare chords at start.
(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))))
+ (ly:warning msg))))
(define (check-start-chords music)
"Check music expression for a Simultaneous_music containing notes\n(ie. Request_chords),
(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")
+ (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)
(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 (_ "can't find quoted music `~S'" quoted-name))))
music))
(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.
(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 (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-to-last x parser)
+ )))
+
;;;;;;;;;;;;;;;;;
;; lyrics
(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)
+ (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
- (set! (ly:grob-property grob 'print-function) Balloon_interface::print)
- (set! (ly:grob-property grob 'balloon-original-callback) cb)
+ (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)))))))
'()
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)))
+
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