mirror of
https://github.com/mruby/mruby
synced 2026-06-08 16:11:16 +00:00
Tomasz Dąbrowski
4cca8bac6b
Inline structures have no instance variables, no finalizer, and offer as much space as possible in RBASIC object. This means 24 bytes on 64-bit platforms and 12 bytes on 32-bit platforms. mruby-inline-struct gem is only provided for testing.
48 lines
878 B
C
48 lines
878 B
C
/*
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** mruby/inline.h - Inline structures
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**
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** See Copyright Notice in mruby.h
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*/
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#ifndef MRUBY_INLINE_H
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#define MRUBY_INLINE_H
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#include "common.h"
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#include <string.h>
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/**
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* Inline structures that fit in RVALUE
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*
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* They cannot have finalizer, and cannot have instance variables.
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*/
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MRB_BEGIN_DECL
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#define INLINE_DATA_SIZE (sizeof(void*) * 3)
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struct RInline {
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MRB_OBJECT_HEADER;
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char inline_data[INLINE_DATA_SIZE];
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};
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#define RINLINE(obj) ((struct RInline*)(mrb_ptr(obj)))
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#define INLINE_PTR(obj) (RINLINE(obj)->inline_data)
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MRB_INLINE mrb_int mrb_inline_size()
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{
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return INLINE_DATA_SIZE;
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}
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MRB_INLINE void* mrb_inline_ptr(mrb_value object)
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{
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return INLINE_PTR(object);
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}
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MRB_INLINE void mrb_inline_copy(mrb_value dest, mrb_value src)
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{
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memcpy(INLINE_PTR(dest), INLINE_PTR(src), INLINE_DATA_SIZE);
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}
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MRB_END_DECL
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#endif /* MRUBY_INLINE_H */
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