X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Fly-syntax-constructors.scm;h=9e6325a1563b9897828eb8e8ebfa3e2cfac3fdb2;hb=2f870443addbe29bcb5495533a185b8258d62a52;hp=cd4a0f9374112a06a71d47ac106c6e3b77bc3cf5;hpb=fa2334a102b9a1a195df25f3ff28ec3b16224ad4;p=lilypond.git

diff --git a/scm/ly-syntax-constructors.scm b/scm/ly-syntax-constructors.scm
index cd4a0f9374..9e6325a156 100644
--- a/scm/ly-syntax-constructors.scm
+++ b/scm/ly-syntax-constructors.scm
@@ -78,6 +78,17 @@
   (make-music 'TransposedMusic
   	      'element (ly:music-transpose music pitch)))
 
+(define-ly-syntax-simple (tempo duration tempo)
+  (context-spec-music
+   (make-sequential-music
+    (list
+     (make-property-set 'tempoWholesPerMinute
+			(ly:moment-mul (ly:make-moment tempo 1)
+				       (ly:duration-length duration)))
+     (make-property-set 'tempoUnitDuration duration)
+     (make-property-set 'tempoUnitCount tempo)))
+   'Score))
+
 (define-ly-syntax-simple (skip-music dur)
   (make-music 'SkipMusic
 	      'duration dur))
@@ -85,14 +96,27 @@
 (define-ly-syntax-simple (repeat type num body alts)
   (make-repeat type num body alts))
 
-;; UGH. TODO: represent mm rests in a decent way as music expressions.
-;; Also eliminate glue-mm-rests while we are at it.
+(define (script-to-mmrest-text music)
+  "Extract 'direction and 'text from SCRIPT-MUSIC, and transform MultiMeasureTextEvent"
+
+  (if (memq 'script-event (ly:music-property music 'types))
+      
+      (let*
+	  ((dir (ly:music-property music 'direction))
+	   (tags (ly:music-property music 'tags))
+	   (p   (make-music 'MultiMeasureTextEvent
+			     'tags tags
+			     'text (ly:music-property music 'text))))
+	(if (ly:dir? dir)
+	    (set! (ly:music-property p 'direction) dir))
+	p)
+      music))
+
 (define-ly-syntax (multi-measure-rest parser location duration articulations)
-  (let* ((mus (make-multi-measure-rest duration location))
-	 (elts (ly:music-property mus 'elements)))
-    (set! (ly:music-property mus 'elements)
-	  (append elts articulations))
-    mus))
+  (make-music 'MultiMeasureRestMusic
+	      'articulations (map script-to-mmrest-text articulations)
+	      'duration duration
+	      'origin location))
 
 (define-ly-syntax-simple (context-specification type id mus ops create-new)
   (let* ((type-sym (if (symbol? type) type (string->symbol type)))
@@ -108,7 +132,10 @@
 		  ((OverrideProperty) (list 'grob-value (car args)
 					    'grob-property-path (cdr args)
 					    'pop-first #t))
-		  ((RevertProperty) (list 'grob-property-path args))
+		  ((RevertProperty)
+		   (if (list? (car args))
+		       (list 'grob-property-path (car args))
+		       (list 'grob-property-path args)))
 		  (else (ly:error (_ "Invalid property operation ~a") music-type))))
 	 (oprops (if once (cons* 'once once props) props))
 	 (m (apply make-music music-type