#include "engraver.hh"
-class Scheme_engraver : public Engraver
+class Scheme_engraver : public Preinit<Scheme_engraver>, public Engraver
{
- void init_from_scheme (SCM definition);
public:
TRANSLATOR_FAMILY_DECLARATIONS (Scheme_engraver);
+ void pre_init ();
Scheme_engraver (SCM definition);
protected:
~Scheme_engraver ();
- void stop_translation_timestep ();
- void start_translation_timestep ();
- void process_music ();
- void process_acknowledged ();
-
virtual void initialize ();
virtual void finalize ();
virtual void derived_mark () const;
virtual bool must_be_last () const;
private:
- void acknowledge_grob_by_hash (Grob_info info, SCM iface_function_hash);
- void init_acknowledgers (SCM alist, SCM *hash);
+ virtual SCM get_acknowledger (SCM sym, Direction start_end)
+ {
+ return generic_get_acknowledger
+ (sym, interface_acknowledger_hash_[start_end]);
+ }
+
+ SCM init_acknowledgers (SCM alist);
// For now no description. In future, something derived from the
// definition might make sense.
SCM translator_description () const { return SCM_EOL; }
- DECLARE_ACKNOWLEDGER (grob);
- DECLARE_END_ACKNOWLEDGER (grob);
-
bool must_be_last_;
- SCM acknowledge_grob_function_;
- SCM stop_translation_timestep_function_;
- SCM start_translation_timestep_function_;
- SCM process_music_function_;
- SCM process_acknowledged_function_;
SCM initialize_function_;
SCM finalize_function_;
+ SCM precomputable_methods_ [TRANSLATOR_METHOD_PRECOMPUTE_COUNT];
// hashq table of interface-symbol -> scheme-function
- SCM interface_acknowledger_hash_;
- SCM interface_end_acknowledger_hash_;
+ Drul_array<SCM> interface_acknowledger_hash_;
// Alist of listened-symbol . scheme-function
SCM per_instance_listeners_;