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/*
** mruby/istruct.h - Inline structures
**
** See Copyright Notice in mruby.h
*/
#ifndef MRUBY_ISTRUCT_H
#define MRUBY_ISTRUCT_H
#include "common.h"
#include <string.h>
/**
* Inline structures that fit in RVALUE
*
* They cannot have finalizer, and cannot have instance variables.
*/
MRB_BEGIN_DECL
#define ISTRUCT_DATA_SIZE (sizeof(void*) * 3)
struct RIstruct {
MRB_OBJECT_HEADER;
char inline_data[ISTRUCT_DATA_SIZE];
};
#define RISTRUCT(obj) ((struct RIstruct*)(mrb_ptr(obj)))
#define ISTRUCT_PTR(obj) (RISTRUCT(obj)->inline_data)
MRB_INLINE mrb_int mrb_istruct_size()
{
return ISTRUCT_DATA_SIZE;
}
MRB_INLINE void* mrb_istruct_ptr(mrb_value object)
{
return ISTRUCT_PTR(object);
}
MRB_INLINE void mrb_istruct_copy(mrb_value dest, mrb_value src)
{
memcpy(ISTRUCT_PTR(dest), ISTRUCT_PTR(src), ISTRUCT_DATA_SIZE);
}
MRB_END_DECL
#endif /* MRUBY_ISTRUCT_H */
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