X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=ly%2Fmusic-functions-init.ly;h=32b4d41bd0312095d408514d389111ee6f5e9e13;hb=f2074d26f6b8afa53512a31f8f74594806a39d55;hp=517a9e7ed964f0f8029b19f42570a058d73541b4;hpb=b4d2043223a86826764bc531e684a864c97605fe;p=lilypond.git

diff --git a/ly/music-functions-init.ly b/ly/music-functions-init.ly
index 517a9e7ed9..32b4d41bd0 100644
--- a/ly/music-functions-init.ly
+++ b/ly/music-functions-init.ly
@@ -1,17 +1,56 @@
 % -*-Scheme-*-
 
-\version "2.6.0"
+\version "2.7.39"
 
 %% need SRFI-1 filter 
 
 #(use-modules (srfi srfi-1))  
 
-applymusic =
-#(def-music-function (parser location func music) (procedure? ly:music?)
+
+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 =
+#(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
@@ -26,65 +65,108 @@ appoggiatura =
 #(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?)
+applyContext =
+#(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))
-%displayLilyMusic =
-%#(def-music-function (parser location music) (ly:music?)
-%   (display-lily-init parser)
-%   (display-lily-music music)
-%   music)
+%% FIXME: guile-1.7 required?
+%#(use-modules (scm display-lily))invalid module name for use-syntax ((srfi srfi-39))
 
-applyoutput =
-#(def-music-function (parser location proc) (procedure?)
-                (make-music 'ApplyOutputEvent 
+#(use-modules (scm display-lily))
+#(display-lily-init parser)
+displayLilyMusic =
+#(define-music-function (parser location music) (ly:music?)
+   (display-lily-music music)
+   music)
+
+applyOutput =
+#(define-music-function (parser location ctx proc) (symbol? procedure?)
+                (make-music 'ApplyOutputEvent
                   'origin location
-                  'procedure proc))
+                  'procedure proc
+                  'context-type ctx))
+
+overrideProperty =
+#(define-music-function (parser location name property value)
+   (string? symbol? scheme?)
+
+
+   "Set @var{property} to @var{value} in all grobs named @var{name}.
+The @var{name} argument is a string of the form @code{\"Context.GrobName\"}
+or @code{\"GrobName\"}"
+
+   (let*
+       ((name-components (string-split name #\.))
+	(context-name 'Bottom)
+	(grob-name #f))
+
+     (if (> 2 (length name-components))
+	 (set! grob-name (string->symbol (car name-components)))
+	 (begin
+	   (set! grob-name (string->symbol (list-ref name-components 1)))
+	   (set! context-name (string->symbol (list-ref name-components 0)))))
+
+     (make-music 'ApplyOutputEvent
+		 'origin location
+		 'context-type context-name
+		 'procedure
+		 (lambda (grob orig-context context)
+		   (if (equal?
+			(cdr (assoc 'name (ly:grob-property grob 'meta)))
+			grob-name)
+		       (set! (ly:grob-property grob property) value))))))
 
 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)
@@ -94,7 +176,7 @@ removeWithTag =
  music))
 	      
 keepWithTag =
-#(def-music-function
+#(define-music-function
   (parser location tag music) (symbol? ly:music?)
   (music-filter
    (lambda (m)
@@ -108,10 +190,10 @@ keepWithTag =
 
 %% 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
@@ -123,8 +205,29 @@ cueDuring =
 	      '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
@@ -133,9 +236,8 @@ quoteDuring = #
 	      'origin location))
 
 
-
 pitchedTrill =
-#(def-music-function
+#(define-music-function
    (parser location main-note secondary-note)
    (ly:music? ly:music?)
    (let*
@@ -153,7 +255,7 @@ pitchedTrill =
 	     )))
      
      (if (ly:pitch? trill-pitch)
-	 (for-each (lambda (m) (ly:music-set-property! m 'trill-pitch trill-pitch))
+	 (for-each (lambda (m) (ly:music-set-property! m 'pitch trill-pitch))
 		   trill-events)
 	 (begin
 	   (ly:warning (_ "Second argument of \\pitchedTrill should be single note: "))
@@ -162,7 +264,7 @@ pitchedTrill =
      main-note))
 
 killCues =
-#(def-music-function
+#(define-music-function
    (parser location music)
    (ly:music?)
    (music-map
@@ -176,7 +278,7 @@ afterGraceFraction =
 #(cons 6 8)
 
 afterGrace =
-#(def-music-function
+#(define-music-function
   (parser location main grace)
   (ly:music? ly:music?)
 
@@ -202,7 +304,7 @@ afterGrace =
 
 
 barNumberCheck =
-#(def-music-function (parser location n) (integer?)
+#(define-music-function (parser location n) (integer?)
    (make-music 'ApplyContext 
 	       'origin location
 	       'procedure 
@@ -214,18 +316,193 @@ barNumberCheck =
 					 cbn n))))))
 
 
-%{
 
-TODO:
+% for regression testing purposes.
+assertBeamQuant =
+#(define-music-function (parser location l r) (pair? pair?)
+  (make-grob-property-override 'Beam 'positions
+   (ly:make-simple-closure
+    (ly:make-simple-closure
+     (append
+      (list chain-grob-member-functions `(,cons 0 0))
+      (check-quant-callbacks l r))))))
+    
+% for regression testing purposes.
+assertBeamSlope =
+#(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) 
+	       ))
+
+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))
+
+   
+parenthesize =
+#(define-music-function (parser loc arg) (ly:music?)
+   "Tag @var{arg} to be parenthesized."
+
+   (set! (ly:music-property arg 'parenthesize) #t)
+   arg)
+
+
+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)))
 
-remove these from the parser, and softcode here:
+     (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)
 
- * \tag
+     (ly:music-compress
+      argument
+      (ly:moment-div orig-duration (ly:music-length argument)))
 
-with small syntax changes, we could also do
+     argument))
+
+
+
+
+resetRelativeOctave  =
+#(define-music-function
+    (parser location reference-note)
+    (ly:music?)
+    "Set the octave inside a \\relative section."
+
+   (let*
+    ((notes (ly:music-property reference-note 'elements))
+     (pitch (ly:music-property (car notes) 'pitch)))
 
- * \bar
- *  ?
+    (set! (ly:music-property reference-note 'elements) '())
+    (set! (ly:music-property reference-note
+       'to-relative-callback)
+       (lambda (music last-pitch)
+        pitch))
 
-%}
+    reference-note))