Optimizations for pure-height approximations.

[lilypond.git] / lily / include / spanner.hh

diff --git a/lily/include/spanner.hh b/lily/include/spanner.hh
index 834c1c8e6e4b5c440f0cd3439ea873e1eb4cc2c5..43468754edb5077d7e4973021a50f3b6fb5fe2b2 100644 (file)
--- a/lily/include/spanner.hh
+++ b/lily/include/spanner.hh
@@ -78,7 +78,12 @@ public:
   DECLARE_GROB_INTERFACE();
   virtual System *get_system () const;
 
+  SCM get_cached_pure_property (SCM sym, int start, int end);
+  void cache_pure_property (SCM sym, int start, int end, SCM value);
+
 protected:
+  SCM pure_property_cache_;
+
   void set_my_columns ();
   virtual Grob *clone () const;
   virtual void do_break_processing ();