#pragma once
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#include <vector>
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#include "MetadataUtil.h"
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namespace hybridclr
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{
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namespace metadata
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{
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struct FieldLayout
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{
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const Il2CppType* type;
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int32_t offset;
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int32_t size;
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bool isNormalStatic;
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bool isThreadStatic;
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};
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struct ClassLayoutInfo
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{
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const Il2CppType* type;
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std::vector<FieldLayout> fields;
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int32_t instanceSize;
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int32_t actualSize;
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int32_t nativeSize;
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uint32_t staticFieldsSize;
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uint32_t threadStaticFieldsSize;
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uint8_t alignment;
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#if !HYBRIDCLR_UNITY_2022_OR_NEW
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uint8_t naturalAlignment;
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#endif
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};
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struct SizeAndAlignment
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{
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int32_t size;
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int32_t nativeSize;
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uint8_t alignment;
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#if !HYBRIDCLR_UNITY_2022_OR_NEW
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uint8_t naturalAlignment;
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#endif
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};
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struct FieldLayoutData
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{
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std::vector<size_t> FieldOffsets;
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int32_t classSize;
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int32_t actualClassSize;
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int32_t nativeSize;
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uint8_t minimumAlignment;
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#if !HYBRIDCLR_UNITY_2022_OR_NEW
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uint8_t naturalAlignment;
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#endif
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};
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class InterpreterImage;
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typedef Il2CppHashMap<const Il2CppType*, ClassLayoutInfo*, Il2CppTypeHash, Il2CppTypeEqualTo> Il2CppType2ClassLayoutInfoMap;
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class ClassFieldLayoutCalculator
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{
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private:
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InterpreterImage* _image;
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Il2CppType2ClassLayoutInfoMap _classMap;
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public:
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ClassFieldLayoutCalculator(InterpreterImage* image) : _image(image)
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{
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}
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~ClassFieldLayoutCalculator()
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{
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for (auto it : _classMap)
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{
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HYBRIDCLR_FREE(it.second);
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}
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}
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ClassLayoutInfo* GetClassLayoutInfo(const Il2CppType* type)
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{
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auto it = _classMap.find(type);
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return it != _classMap.end() ? it->second : nullptr;
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}
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void CalcClassNotStaticFields(const Il2CppType* type);
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void CalcClassStaticFields(const Il2CppType* type);
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void LayoutFields(int32_t actualParentSize, int32_t parentAlignment, uint8_t packing, std::vector<FieldLayout*>& fields, FieldLayoutData& data);
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SizeAndAlignment GetTypeSizeAndAlignment(const Il2CppType* type);
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};
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}
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}
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