* lily/translator.cc (derived_mark): new function.

[lilypond.git] / lily / include / property-iterator.hh

diff --git a/lily/include/property-iterator.hh b/lily/include/property-iterator.hh
index f0dfbb5fb9bd9b02a6b638b21e1ed1d74557c650..2da1a159a3c6d30cc3091a83fdbc46f22dd46af7 100644 (file)
--- a/lily/include/property-iterator.hh
+++ b/lily/include/property-iterator.hh
@@ -3,24 +3,63 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--1998 Han-Wen Nienhuys <hanwen@stack.nl>
+  (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
 */
 
 
 #ifndef PROPERTY_ITERATOR_HH
 #define PROPERTY_ITERATOR_HH
 
-#include "music-iterator.hh"
+#include "simple-music-iterator.hh"
 
-class Property_iterator : public Music_iterator
+
+
+
+/**
+  Iterate a property.  
+ */
+class Property_iterator : public Simple_music_iterator
+{
+public:
+  DECLARE_SCHEME_CALLBACK(constructor, ());
+  DECLARE_SCHEME_CALLBACK(once_finalization, (SCM, SCM ));
+
+protected:
+  virtual void do_quit();
+  virtual void process (Moment);
+};
+
+
+
+
+/**
+  Iterate a property.  
+ */
+class Property_unset_iterator : public Simple_music_iterator
 {
-  Translation_property *property_l_;
-  
 public:
-  DECLARE_MY_RUNTIME_TYPEINFO;
-  Property_iterator (Translation_property* prop_l);
+  DECLARE_SCHEME_CALLBACK(constructor, ());
 protected:
-  virtual void process_and_next (Moment);
+  virtual void process (Moment);
 };
 
+class Push_property_iterator : public Simple_music_iterator
+{
+public:
+  DECLARE_SCHEME_CALLBACK(constructor, ());  
+  DECLARE_SCHEME_CALLBACK(once_finalization, (SCM, SCM));
+protected:
+  virtual void process (Moment);
+  virtual void do_quit();
+};
+
+class Pop_property_iterator : public Simple_music_iterator
+{
+public:
+  DECLARE_SCHEME_CALLBACK(constructor, ());
+protected:
+  virtual void process (Moment);
+};
+
+
 #endif // PROPERTY_ITERATOR_HH