use skylines in VerticalAlignment.

[lilypond.git] / lily / context.cc

diff --git a/lily/context.cc b/lily/context.cc
index d9c5f88129e9d746072252638fbb895c31e290f7..d4177e77bfa040018e57a085a68740085c915204 100644 (file)
--- a/lily/context.cc
+++ b/lily/context.cc
@@ -238,7 +238,7 @@ Context::set_property_from_event (SCM sev)
       if (val != SCM_EOL)
        ok = type_check_assignment (sym, val, ly_symbol2scm ("translation-type?"));
       if (ok)
-       internal_set_property (sym, val);
+       set_property (sym, val);
     }
 }
 
@@ -444,7 +444,7 @@ Context::internal_send_stream_event (SCM type, Input *origin, SCM props[])
   Stream_event *e = new Stream_event (type, origin);
   for (int i = 0; props[i]; i += 2)
     {
-      e->internal_set_property (props[i], props[i+1]);
+      e->set_property (props[i], props[i+1]);
     }
   event_source_->broadcast (e);
   e->unprotect ();
@@ -469,12 +469,20 @@ Context::add_alias (SCM sym)
 }
 
 void
-Context::internal_set_property (SCM sym, SCM val)
+Context::internal_set_property (SCM sym, SCM val
+#ifndef NDEBUG
+                               , char const *file, int line, char const *fun
+#endif
+                               )
 {
 #ifndef NDEBUG
+  (void) file;
+  (void) line;
+  (void) fun;
+#endif
+
   if (do_internal_type_checking_global)
     assert (type_check_assignment (sym, val, ly_symbol2scm ("translation-type?")));
-#endif
 
   properties_dict ()->set (sym, val);
 }
@@ -507,7 +515,9 @@ void
 Context::remove_context (SCM)
 {
   /* ugh, the translator group should listen to RemoveContext events by itself */
-  implementation ()->disconnect_from_context ();
+  Translator_group *impl = implementation ();
+  if (impl)
+    impl->disconnect_from_context ();
   disconnect_from_parent ();
 }
 
@@ -643,10 +653,15 @@ Context::mark_smob (SCM sm)
   scm_gc_mark (me->definition_mods_);
   scm_gc_mark (me->properties_scm_);
   scm_gc_mark (me->accepts_list_);
+
   if (me->implementation_)
     scm_gc_mark (me->implementation_->self_scm ());
-  if (me->event_source_) scm_gc_mark (me->event_source_->self_scm ());
-  if (me->events_below_) scm_gc_mark (me->events_below_->self_scm ());
+
+  if (me->event_source_)
+    scm_gc_mark (me->event_source_->self_scm ());
+
+  if (me->events_below_)
+    scm_gc_mark (me->events_below_->self_scm ());
 
   return me->properties_scm_;
 }
@@ -723,7 +738,7 @@ measure_position (Context const *context)
 void
 set_context_property_on_children (Context *trans, SCM sym, SCM val)
 {
-  trans->internal_set_property (sym, ly_deep_copy (val));
+  trans->set_property (sym, ly_deep_copy (val));
   for (SCM p = trans->children_contexts (); scm_is_pair (p); p = scm_cdr (p))
     {
       Context *trg = unsmob_context (scm_car (p));