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Replace the implementation of method tables in classes/modules.

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They are basically the copy of instance variable tables. On my Linux
box, memory consumption of `mrbtest` measured by `valgrind` is:

- old: 17,683,830 bytes
- new: 14,283,749 bytes
This commit is contained in:
Yukihiro "Matz" Matsumoto
2020-08-27 21:43:20 +09:00
parent bf118b9006
commit 397b005715
4 changed files with 522 additions and 268 deletions
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include/mruby/class.h
+7 -1
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@@ -17,7 +17,7 @@ MRB_BEGIN_DECL
struct RClass {
MRB_OBJECT_HEADER;
struct iv_tbl *iv;
struct kh_mt *mt;
struct mt_tbl *mt;
struct RClass *super;
};
@@ -77,6 +77,7 @@ struct RClass *mrb_vm_define_class(mrb_state*, mrb_value, mrb_value, mrb_sym);
struct RClass *mrb_vm_define_module(mrb_state*, mrb_value, mrb_sym);
MRB_API void mrb_define_method_raw(mrb_state*, struct RClass*, mrb_sym, mrb_method_t);
MRB_API void mrb_alias_method(mrb_state*, struct RClass *c, mrb_sym a, mrb_sym b);
MRB_API void mrb_remove_method(mrb_state *mrb, struct RClass *c, mrb_sym sym);
MRB_API mrb_method_t mrb_method_search_vm(mrb_state*, struct RClass**, mrb_sym);
MRB_API mrb_method_t mrb_method_search(mrb_state*, struct RClass*, mrb_sym);
@@ -98,6 +99,11 @@ void mrb_mc_clear_by_class(mrb_state *mrb, struct RClass* c);
#define mrb_mc_clear_by_class(mrb,c)
#endif
/* return non zero to break the loop */
struct mt_elem;
typedef int (mrb_mt_foreach_func)(mrb_state*,mrb_sym,struct mt_elem*,void*);
MRB_API void mrb_mt_foreach(mrb_state*, struct RClass*, mrb_mt_foreach_func*, void*);
MRB_END_DECL
#endif /* MRUBY_CLASS_H */