Last change
on this file since 439 was 439, checked in by coas-nagasima, 4 years ago |
mrubyを2.1.1に更新
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1 | /**
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2 | ** @file mruby/istruct.h - Inline structures
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3 | **
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4 | ** See Copyright Notice in mruby.h
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5 | */
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6 |
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7 | #ifndef MRUBY_ISTRUCT_H
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8 | #define MRUBY_ISTRUCT_H
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9 |
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10 | #include "common.h"
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11 | #include <string.h>
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12 |
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13 | /**
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14 | * Inline structures that fit in RVALUE
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15 | *
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16 | * They cannot have finalizer, and cannot have instance variables.
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17 | */
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18 | MRB_BEGIN_DECL
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19 |
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20 | #define ISTRUCT_DATA_SIZE (sizeof(void*) * 3)
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21 |
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22 | struct RIStruct {
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23 | MRB_OBJECT_HEADER;
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24 | char inline_data[ISTRUCT_DATA_SIZE];
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25 | };
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26 |
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27 | #define RISTRUCT(obj) ((struct RIStruct*)(mrb_ptr(obj)))
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28 | #define ISTRUCT_PTR(obj) (RISTRUCT(obj)->inline_data)
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29 |
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30 | MRB_INLINE mrb_int mrb_istruct_size()
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31 | {
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32 | return ISTRUCT_DATA_SIZE;
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33 | }
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34 |
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35 | MRB_INLINE void* mrb_istruct_ptr(mrb_value object)
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36 | {
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37 | return ISTRUCT_PTR(object);
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38 | }
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39 |
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40 | MRB_INLINE void mrb_istruct_copy(mrb_value dest, mrb_value src)
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41 | {
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42 | memcpy(ISTRUCT_PTR(dest), ISTRUCT_PTR(src), ISTRUCT_DATA_SIZE);
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43 | }
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44 |
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45 | MRB_END_DECL
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46 |
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47 | #endif /* MRUBY_ISTRUCT_H */
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