X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Ftuplet-engraver.cc;h=5cd637e3f9eb2853376fe79130bc0c6f71ed3dd4;hb=b4e93466da7a06bb2d2845db17360de7b570dabb;hp=cd8038494b631143a4c24e7be41566f5131132b6;hpb=751587ab3eac9e2f32b085bddf45ef50d03ea866;p=lilypond.git

diff --git a/lily/tuplet-engraver.cc b/lily/tuplet-engraver.cc
index cd8038494b..5cd637e3f9 100644
--- a/lily/tuplet-engraver.cc
+++ b/lily/tuplet-engraver.cc
@@ -78,7 +78,7 @@ Tuplet_engraver::listen_tuplet_span (Stream_event *ev)
 	{
 	  /*
 	    discard duplicates.
-	   */
+	  */
 	  if (new_tuplets_[i].stop_moment_ == d.stop_moment_)
 	    return;
 	}
@@ -87,13 +87,13 @@ Tuplet_engraver::listen_tuplet_span (Stream_event *ev)
     }
   else if (dir == STOP)
     {
-    if (tuplets_.size ())
-    {
-      stopped_tuplets_.push_back (tuplets_.back ());
-      tuplets_.pop_back ();
-    }
-    else
-      ev->origin ()->warning (_f ("No tuplet to end"));
+      if (tuplets_.size ())
+	{
+	  stopped_tuplets_.push_back (tuplets_.back ());
+	  tuplets_.pop_back ();
+	}
+      else if (!to_boolean (get_property ("skipTypesetting"))) 
+	ev->origin ()->warning (_f ("No tuplet to end"));
     }
   else 
     ev->origin ()->programming_error ("direction tuplet-span-event_ invalid.");
@@ -105,7 +105,7 @@ Tuplet_engraver::process_music ()
   /*
     This may happen if the end of a tuplet is part of a quoted voice.
    */
-  Moment now = now_mom();
+  Moment now = now_mom ();
   for (vsize i = tuplets_.size (); i --; )
     {
       if (tuplets_[i].stop_moment_ == now)
@@ -133,12 +133,16 @@ Tuplet_engraver::process_music ()
 	    }
 	  else if (!bracket->get_bound (RIGHT))
 	    {
-	      bracket->set_bound (RIGHT,
-				  bracket->get_bound (LEFT));
-	      number->set_bound (RIGHT,
-				 stopped_tuplets_[i].bracket_->get_bound (LEFT));
-	    }
-	  
+	      if (bracket->get_bound (LEFT))
+		{
+		  bracket->set_bound (RIGHT,
+				      bracket->get_bound (LEFT));
+		  number->set_bound (RIGHT,
+				     stopped_tuplets_[i].bracket_->get_bound (LEFT));
+		}
+	      else
+		programming_error ("stopped tuplet bracket has left nor right bound.");
+	    }	  
 	  // todo: scrap last_tuplets_, use stopped_tuplets_ only.
 	  // clear stopped_tuplets_ at start_translation_timestep
 	  last_tuplets_.push_back (bracket);
@@ -171,7 +175,7 @@ Tuplet_engraver::process_music ()
       tuplets_[i].stop_moment_.grace_part_ = 0;
       
       
-      if (i < tuplets_.size () - 1 && tuplets_[i + 1].bracket_)
+      if (i + 1 < tuplets_.size () && tuplets_[i + 1].bracket_)
 	Tuplet_bracket::add_tuplet_bracket (tuplets_[i].bracket_, tuplets_[i + 1].bracket_);
       
       if (i > 0 && tuplets_[i - 1].bracket_)
@@ -196,6 +200,10 @@ void
 Tuplet_engraver::start_translation_timestep ()
 {
   last_tuplets_.clear ();
+  /*
+    May seem superfluous, but necessary for skipTypesetting.
+   */
+  new_tuplets_.clear ();	
 }
 
 void
@@ -215,11 +223,17 @@ Tuplet_engraver::Tuplet_engraver ()
 
 ADD_ACKNOWLEDGER (Tuplet_engraver, note_column);
 ADD_TRANSLATOR (Tuplet_engraver,
-		/* doc */ "Catch TupletSpannerEvent and generate appropriate bracket  ",
+		/* doc */
+		"Catch tuplet events and generate appropriate bracket.",
+		
 		/* create */
 		"TupletBracket "
 		"TupletNumber ",
+
 		/* read */
 		"tupletFullLength "
 		"tupletFullLengthNote ",
-		/* write */ "");
+
+		/* write */
+		""
+		);