-/** Make some kind of #Element#s from Requests. Elements are made by
- hierarchically grouped #Translator#s
- */
-class Translator : public Input {
+#define TRANSLATOR_DECLARATIONS(NAME) \
+ public: \
+ NAME (); \
+ VIRTUAL_COPY_CONSTRUCTOR (Translator, NAME); \
+ static SCM static_description_; \
+ static vector<Acknowledge_information> acknowledge_static_array_; \
+ virtual void fetch_precomputable_methods (Translator_void_method_ptr methods[]); \
+ virtual SCM static_translator_description () const; \
+ virtual SCM translator_description () const; \
+ virtual Engraver_void_function_engraver_grob_info get_acknowledger (SCM sym) \
+ { \
+ return static_get_acknowledger (sym); \
+ } \
+ static Engraver_void_function_engraver_grob_info static_get_acknowledger (SCM sym);
+
+#define DECLARE_ACKNOWLEDGER(x) public : void acknowledge_ ## x (Grob_info); protected:
+
+enum Translator_precompute_index
+ {
+ START_TRANSLATION_TIMESTEP,
+ STOP_TRANSLATION_TIMESTEP,
+ PROCESS_MUSIC,
+ PROCESS_ACKNOWLEDGED,
+ TRANSLATOR_METHOD_PRECOMPUTE_COUNT,
+ };
+
+/*
+ Translate music into grobs.
+*/
+class Translator
+{