(find_create_context): assign to lvalue.

[lilypond.git] / lily / context-specced-music-iterator.cc

diff --git a/lily/context-specced-music-iterator.cc b/lily/context-specced-music-iterator.cc
index 050d704abf7400cb12a9eea857206c749173bf14..fb5968b980bb97999d2cf9e2f42dd817abf27c4b 100644 (file)
--- a/lily/context-specced-music-iterator.cc
+++ b/lily/context-specced-music-iterator.cc
@@ -14,27 +14,33 @@
 class Context_specced_music_iterator : public Music_wrapper_iterator
 {
 public:
-  DECLARE_SCHEME_CALLBACK(constructor,());
+  DECLARE_SCHEME_CALLBACK (constructor,());
   virtual void construct_children ();
 };
 
 void
 Context_specced_music_iterator::construct_children ()
 {
-  SCM ct = get_music ()->get_mus_property ("context-type");
+  SCM ct = get_music ()->get_property ("context-type");
 
   String c_id;
-  SCM ci = get_music ()->get_mus_property ("context-id");
-  if (gh_string_p (ci))
+  SCM ci = get_music ()->get_property ("context-id");
+  if (ly_c_string_p (ci))
     c_id = ly_scm2string (ci);
-  SCM ops = get_music ()->get_mus_property ("property-operations");
+  SCM ops = get_music ()->get_property ("property-operations");
   
   Context * a
     = get_outlet ()->find_create_context (ct, c_id, ops);
 
+  if (a
+      && to_boolean (get_music ()->get_property ("descend-only"))
+      && !is_child_context (get_outlet (), a))
+    a = 0;
+  
   if (a)
     set_translator (a);
 
-  Music_wrapper_iterator::construct_children();
+  Music_wrapper_iterator::construct_children ();
 }
-IMPLEMENT_CTOR_CALLBACK(Context_specced_music_iterator);
+
+IMPLEMENT_CTOR_CALLBACK (Context_specced_music_iterator);