#ifndef MRUBY_DATA_H

#define MRUBY_DATA_H

#include "common.h"

typedef struct mrb_data_type {

} mrb_data_type;

struct RData {

};

MRB_API struct RData *mrb_data_object_alloc(mrb_state *mrb, struct RClass* klass, void *datap, const mrb_data_type *type);

#define Data_Wrap_Struct(mrb,klass,type,ptr)\

mrb_data_object_alloc(mrb,klass,ptr,type)

#define Data_Make_Struct(mrb,klass,strct,type,sval,data) do { \

sval = mrb_malloc(mrb, sizeof(strct)); \

{ static const strct zero = { 0 }; *sval = zero; };\

data = Data_Wrap_Struct(mrb,klass,type,sval);\

} while (0)

#define RDATA(obj) ((struct RData *)(mrb_ptr(obj)))

#define DATA_PTR(d) (RDATA(d)->data)

#define DATA_TYPE(d) (RDATA(d)->type)

MRB_API void mrb_data_check_type(mrb_state *mrb, mrb_value, const mrb_data_type*);

MRB_API void *mrb_data_get_ptr(mrb_state *mrb, mrb_value, const mrb_data_type*);

#define DATA_GET_PTR(mrb,obj,dtype,type) (type*)mrb_data_get_ptr(mrb,obj,dtype)

MRB_API void *mrb_data_check_get_ptr(mrb_state *mrb, mrb_value, const mrb_data_type*);

#define DATA_CHECK_GET_PTR(mrb,obj,dtype,type) (type*)mrb_data_check_get_ptr(mrb,obj,dtype)

#define mrb_data_check_and_get(mrb,obj,dtype) mrb_data_get_ptr(mrb,obj,dtype)

#define mrb_get_datatype(mrb,val,type) mrb_data_get_ptr(mrb, val, type)

#define mrb_check_datatype(mrb,val,type) mrb_data_get_ptr(mrb, val, type)

#define Data_Get_Struct(mrb,obj,type,sval) do {\

*(void**)&sval = mrb_data_get_ptr(mrb, obj, type); \

} while (0)

static inline void

mrb_data_init(mrb_value v, void *ptr, const mrb_data_type *type)

{

mrb_assert(mrb_type(v) == MRB_TT_DATA);

DATA_PTR(v) = ptr;

DATA_TYPE(v) = type;

}

#endif /* MRUBY_DATA_H */