#include "global-ctor.hh"
#include "lily-proto.hh"
#include "virtual-methods.hh"
+#include "callback.hh"
#include "input.hh" // for error reporting
#include "smobs.hh"
#include "std-vector.hh"
#define TRANSLATOR_FAMILY_DECLARATIONS(NAME) \
public: \
VIRTUAL_COPY_CONSTRUCTOR (Translator, NAME); \
- static Drul_array<vector<Acknowledge_information> > acknowledge_static_array_drul_; \
- virtual void fetch_precomputable_methods (Callback methods[]); \
- static Grob_info_callback static_get_acknowledger (SCM sym); \
- static Grob_info_callback static_get_end_acknowledger(SCM); \
- virtual Grob_info_callback get_acknowledger (SCM sym) \
- { \
- return static_get_acknowledger (sym); \
- } \
- virtual Grob_info_callback get_end_acknowledger (SCM sym) \
- { \
- return static_get_end_acknowledger (sym); \
- } \
+ virtual void fetch_precomputable_methods (SCM methods[]); \
+ DECLARE_TRANSLATOR_CALLBACKS (NAME); \
+ TRANSLATOR_INHERIT (Translator); \
+ /* end #define */
+
+#define TRANSLATOR_INHERIT(BASE) \
+ using BASE::method_finder
+
+#define DECLARE_TRANSLATOR_CALLBACKS(NAME) \
+ template <void (NAME::*mf)()> \
+ static SCM method_finder () { return method_find_base<NAME, mf> (); } \
/* end #define */
/*
*/
#define TRANSLATOR_DECLARATIONS(NAME) \
- TRANSLATOR_FAMILY_DECLARATIONS(NAME) \
+ public: \
+ TRANSLATOR_FAMILY_DECLARATIONS (NAME); \
+ static Drul_array<Protected_scm> acknowledge_static_array_drul_; \
static SCM static_description_; \
static Protected_scm listener_list_; \
+ static SCM static_get_acknowledger (SCM sym, Direction start_end); \
+ virtual SCM get_acknowledger (SCM sym, Direction start_end) \
+ { \
+ return static_get_acknowledger (sym, start_end); \
+ } \
public: \
NAME (); \
+ static void boot (); \
virtual SCM static_translator_description () const; \
virtual SCM translator_description () const; \
virtual SCM get_listener_list () const \
} \
/* end #define */
-#define DECLARE_TRANSLATOR_LISTENER(m) \
-public: \
-inline void listen_ ## m (Stream_event *); \
-/* Should be private */ \
-static void _internal_declare_ ## m ();
-
-#define DECLARE_ACKNOWLEDGER(x) public : void acknowledge_ ## x (Grob_info); protected:
-#define DECLARE_END_ACKNOWLEDGER(x) public : void acknowledge_end_ ## x (Grob_info); protected:
-
enum Translator_precompute_index
{
START_TRANSLATION_TIMESTEP,
class Translator : public Smob<Translator>
{
public:
- // We don't make Grob_info_callback specific to Engraver since we
- // otherwise get into a circular mess with regard to the definitions
- // as the timing of Engraver is exercised from within Translator
- typedef void (Translator::*Grob_info_callback) (Grob_info);
- typedef void (Translator::*Callback) (void);
int print_smob (SCM, scm_print_state *) const;
SCM mark_smob () const;
- static const char type_p_name_[];
+ static const char * const type_p_name_;
virtual ~Translator ();
private:
void init ();
public:
Context *context () const { return daddy_context_; }
+ Translator ();
Translator (Translator const &);
SCM internal_get_property (SCM symbol) const;
Context *get_score_context () const;
Global_context *get_global_context () const;
- TRANSLATOR_DECLARATIONS (Translator);
+ DECLARE_CLASSNAME (Translator);
+ virtual Translator *clone () const = 0;
+ virtual void fetch_precomputable_methods (SCM methods[]) = 0;
+ virtual SCM get_listener_list () const = 0;
+ virtual SCM translator_description () const = 0;
+ virtual SCM get_acknowledger (SCM sym, Direction start_end) = 0;
protected: // should be private.
Context *daddy_context_;
return SCM_UNSPECIFIED;
}
+ template <class T, void (T::*mf)()>
+ static SCM
+ method_find_base () { return Callback0_wrapper::make_smob<T, mf> (); }
+
+ // Fallback for non-overriden callbacks for which &T::x degrades to
+ // &Translator::x
+ template <void (Translator::*)()>
+ static SCM
+ method_finder () { return SCM_UNDEFINED; }
+
virtual void derived_mark () const;
static SCM event_class_symbol (const char *ev_class);
SCM static_translator_description (const char *grobs,
friend class Translator_group;
};
-struct Acknowledge_information
-{
- SCM symbol_;
- Translator::Grob_info_callback function_;
-
- Acknowledge_information ()
- {
- symbol_ = SCM_EOL;
- function_ = 0;
- }
-};
-
-
void add_translator (Translator *trans);
Translator *get_translator (SCM s);
+
+SCM
+generic_get_acknowledger (SCM sym, SCM ack_hash);
+
Moment get_event_length (Stream_event *s, Moment now);
Moment get_event_length (Stream_event *s);