#ifndef ENGRAVER_HH
#define ENGRAVER_HH
+#include "callback.hh"
+#include "grob.hh"
#include "grob-info.hh"
#include "translator.hh"
Default: ignore the info
*/
virtual void acknowledge_grob (Grob_info) {}
- virtual void announce_grob (Grob_info);
- virtual void announce_end_grob (Grob_info);
+ virtual void announce_grob (Grob_info, Context *reroute_context = 0);
+ virtual void announce_end_grob (Grob_info, Context *reroute_context = 0);
Engraver_group *get_daddy_engraver () const;
public:
+ template <class T, void (T::*callback)(Grob_info)>
+ static SCM ack_trampoline (SCM target, SCM grob, SCM source_engraver)
+ {
+ T *t = LY_ASSERT_SMOB (T, target, 1);
+ Grob *g = LY_ASSERT_SMOB (Grob, grob, 2);
+ Engraver *e = LY_ASSERT_SMOB (Engraver, source_engraver, 3);
+
+ (t->*callback) (Grob_info (e, g));
+ return SCM_UNSPECIFIED;
+ }
+
/**
Announce element. Default: pass on to daddy. Utility
*/
/**
override other ctor
*/
- TRANSLATOR_DECLARATIONS (Engraver);
- static Engraver *unsmob (SCM eng) {
- return dynamic_cast<Engraver *> (Translator::unsmob (eng));
- }
- static bool is_smob (SCM eng) {
- return Translator::is_smob (eng) && unsmob (eng);
- }
+ DECLARE_CLASSNAME (Engraver);
+ DECLARE_TRANSLATOR_CALLBACKS (Engraver);
+ Engraver ();
};
#define make_item(x, cause) internal_make_item (ly_symbol2scm (x), cause, x, __FILE__, __LINE__, __FUNCTION__)