#pragma once
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#include <stdint.h>
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#include <functional>
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#include "il2cpp-config.h"
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#include "Assembly.h"
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#include "metadata/Il2CppTypeVector.h"
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#include "il2cpp-class-internals.h"
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#include "utils/dynamic_array.h"
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#include "os/Mutex.h"
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struct MethodInfo;
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struct Il2CppClass;
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struct Il2CppGenericContainer;
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struct Il2CppGenericContext;
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struct Il2CppGenericInst;
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struct Il2CppGenericMethod;
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struct Il2CppType;
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struct Il2CppString;
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namespace il2cpp
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{
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namespace vm
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{
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struct RGCTXCollection
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{
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int32_t count;
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const Il2CppRGCTXDefinition* items;
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};
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enum PackingSize
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{
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Zero,
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One,
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Two,
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Four,
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Eight,
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Sixteen,
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ThirtyTwo,
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SixtyFour,
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OneHundredTwentyEight
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};
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const int kBitIsValueType = 1;
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const int kBitIsEnum = 2;
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const int kBitHasFinalizer = 3;
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const int kBitHasStaticConstructor = 4;
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const int kBitIsBlittable = 5;
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const int kBitIsImportOrWindowsRuntime = 6;
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const int kPackingSize = 7; // This uses 4 bits from bit 7 to bit 10
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const int kPackingSizeIsDefault = 11;
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const int kClassSizeIsDefault = 12;
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const int kSpecifiedPackingSize = 13; // This uses 4 bits from bit 13 to bit 16
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class LIBIL2CPP_CODEGEN_API MetadataCache
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{
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public:
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static void Register(const Il2CppCodeRegistration * const codeRegistration, const Il2CppMetadataRegistration * const metadataRegistration, const Il2CppCodeGenOptions* const codeGenOptions);
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static bool Initialize();
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static void InitializeGCSafe();
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static void InitializeAllMethodMetadata();
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static Il2CppClass* GetGenericInstanceType(Il2CppClass* genericTypeDefinition, const il2cpp::metadata::Il2CppTypeVector& genericArgumentTypes);
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static const MethodInfo* GetGenericInstanceMethod(const MethodInfo* genericMethodDefinition, const Il2CppGenericContext* context);
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static const MethodInfo* GetGenericInstanceMethod(const MethodInfo* genericMethodDefinition, const il2cpp::metadata::Il2CppTypeVector& genericArgumentTypes);
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static const Il2CppGenericContext* GetMethodGenericContext(const MethodInfo* method);
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static const Il2CppGenericContainer* GetMethodGenericContainer(const MethodInfo* method);
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static const MethodInfo* GetGenericMethodDefinition(const MethodInfo* method);
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static Il2CppClass* GetPointerType(Il2CppClass* type);
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static Il2CppClass* GetWindowsRuntimeClass(const char* fullName);
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static const char* GetWindowsRuntimeClassName(const Il2CppClass* klass);
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static Il2CppMethodPointer GetWindowsRuntimeFactoryCreationFunction(const char* fullName);
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static Il2CppClass* GetClassForGuid(const Il2CppGuid* guid);
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static void AddPointerType(Il2CppClass* type, Il2CppClass* pointerType);
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static const Il2CppGenericInst* GetGenericInst(const Il2CppType* const* types, uint32_t typeCount);
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static const Il2CppGenericInst* GetGenericInst(const il2cpp::metadata::Il2CppTypeVector& types);
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static const Il2CppGenericMethod* GetGenericMethod(const MethodInfo* methodDefinition, const Il2CppGenericInst* classInst, const Il2CppGenericInst* methodInst);
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static InvokerMethod GetInvokerMethodPointer(const MethodInfo* methodDefinition, const Il2CppGenericContext* context);
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static Il2CppMethodPointer GetMethodPointer(const MethodInfo* methodDefinition, const Il2CppGenericContext* context, bool adjustorThunk, bool methodPointer);
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static Il2CppClass* GetTypeInfoFromTypeIndex(TypeIndex index, bool throwOnError = true);
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static const Il2CppType* GetIl2CppTypeFromIndex(TypeIndex index);
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static const MethodInfo* GetMethodInfoFromIndex(EncodedMethodIndex index);
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static const Il2CppGenericMethod* GetGenericMethodFromIndex(GenericMethodIndex index);
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static Il2CppString* GetStringLiteralFromIndex(StringLiteralIndex index);
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static const char* GetStringFromIndex(StringIndex index);
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static FieldInfo* GetFieldInfoFromIndex(EncodedMethodIndex index);
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static void InitializeMethodMetadata(uint32_t index);
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static Il2CppMethodPointer GetAdjustorThunk(const Il2CppImage* image, uint32_t token);
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static Il2CppMethodPointer GetMethodPointer(const Il2CppImage* image, uint32_t token);
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static InvokerMethod GetMethodInvoker(const Il2CppImage* image, uint32_t token);
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static const Il2CppInteropData* GetInteropDataForType(const Il2CppType* type);
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static Il2CppMethodPointer GetReversePInvokeWrapper(const Il2CppImage* image, const MethodInfo* method);
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static Il2CppMethodPointer GetUnresolvedVirtualCallStub(const MethodInfo* method);
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static const Il2CppAssembly* GetAssemblyFromIndex(const Il2CppImage* image, AssemblyIndex index);
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static const Il2CppAssembly* GetAssemblyByName(const char* nameToFind);
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static Il2CppImage* GetImageFromIndex(ImageIndex index);
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static Il2CppClass* GetTypeInfoFromTypeDefinitionIndex(TypeDefinitionIndex index);
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static const Il2CppTypeDefinition* GetTypeDefinitionFromIndex(TypeDefinitionIndex index);
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static TypeDefinitionIndex GetExportedTypeFromIndex(TypeDefinitionIndex index);
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static const Il2CppGenericContainer* GetGenericContainerFromIndex(GenericContainerIndex index);
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static const Il2CppGenericParameter* GetGenericParameterFromIndex(GenericParameterIndex index);
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static const Il2CppType* GetGenericParameterConstraintFromIndex(GenericParameterConstraintIndex index);
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//static Il2CppClass* GetNestedTypeFromIndex(NestedTypeIndex index);
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static Il2CppClass* GetNestedTypeFromOffset(const Il2CppTypeDefinition* typeDefinition, NestedTypeIndex index);
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static const Il2CppType* GetInterfaceFromIndex(Il2CppClass* klass, InterfacesIndex index);
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static EncodedMethodIndex GetVTableMethodFromIndex(VTableIndex index);
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//static Il2CppInterfaceOffsetPair GetInterfaceOffsetIndex(InterfaceOffsetIndex index);
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static Il2CppInterfaceOffsetInfo GetInterfaceOffsetInfo(const Il2CppTypeDefinition* typeDefine, TypeInterfaceOffsetIndex index);
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static RGCTXCollection GetRGCTXs(const Il2CppImage* image, uint32_t token);
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static const Il2CppEventDefinition* GetEventDefinitionFromIndex(EventIndex index);
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static const Il2CppFieldDefinition* GetFieldDefinitionFromIndex(FieldIndex index);
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static const Il2CppFieldDefaultValue* GetFieldDefaultValueFromIndex(FieldIndex index);
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static const uint8_t* GetFieldDefaultValueDataFromIndex(FieldIndex index);
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static const Il2CppFieldDefaultValue* GetFieldDefaultValueForField(const FieldInfo* field);
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static const uint8_t* GetParameterDefaultValueDataFromIndex(ParameterIndex index);
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static const Il2CppParameterDefaultValue* GetParameterDefaultValueForParameter(const MethodInfo* method, const ParameterInfo* parameter);
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static int GetFieldMarshaledSizeForField(const FieldInfo* field);
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static const Il2CppMethodDefinition* GetMethodDefinitionFromIndex(MethodIndex index);
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static const MethodInfo* GetMethodInfoFromMethodDefinitionIndex(MethodIndex index);
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static const Il2CppPropertyDefinition* GetPropertyDefinitionFromIndex(PropertyIndex index);
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static const Il2CppParameterDefinition* GetParameterDefinitionFromIndex(Il2CppClass* klass, ParameterIndex index);
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static const Il2CppParameterDefinition* GetParameterDefinitionFromIndex(const Il2CppMethodDefinition* methodDef, ParameterIndex index);
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// returns the compiler computer field offset for type definition fields
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static int32_t GetFieldOffsetFromIndexLocked(TypeIndex typeIndex, int32_t fieldIndexInType, FieldInfo* field, const il2cpp::os::FastAutoLock& lock);
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static int32_t GetThreadLocalStaticOffsetForField(FieldInfo* field);
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static void AddThreadLocalStaticOffsetForFieldLocked(FieldInfo* field, int32_t offset, const il2cpp::os::FastAutoLock& lock);
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static int32_t GetReferenceAssemblyIndexIntoAssemblyTable(int32_t referencedAssemblyTableIndex);
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static const TypeDefinitionIndex GetIndexForTypeDefinition(const Il2CppClass* typeDefinition);
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static const TypeDefinitionIndex GetIndexForTypeDefinition(const Il2CppTypeDefinition* typeDef);
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static const GenericParameterIndex GetIndexForGenericParameter(const Il2CppGenericParameter* genericParameter);
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static const MethodIndex GetIndexForMethodDefinition(const MethodInfo* method);
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static CustomAttributeIndex GetCustomAttributeIndex(const Il2CppImage* image, uint32_t token);
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static CustomAttributesCache* GenerateCustomAttributesCache(CustomAttributeIndex index);
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static CustomAttributesCache* GenerateCustomAttributesCache(const Il2CppImage* image, uint32_t token);
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static bool HasAttribute(CustomAttributeIndex index, Il2CppClass* attribute);
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static bool HasAttribute(const Il2CppImage* image, uint32_t token, Il2CppClass* attribute);
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typedef void(*WalkTypesCallback)(Il2CppClass* type, void* context);
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static void WalkPointerTypes(WalkTypesCallback callback, void* context);
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static bool StructLayoutPackIsDefault(TypeDefinitionIndex index);
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static int32_t StructLayoutPack(TypeDefinitionIndex index);
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static bool StructLayoutSizeIsDefault(TypeDefinitionIndex index);
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private:
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static void InitializeUnresolvedSignatureTable();
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static void InitializeStringLiteralTable();
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static void InitializeGenericMethodTable();
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static void InitializeWindowsRuntimeTypeNamesTables();
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static void InitializeGuidToClassTable();
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static void IntializeMethodMetadataRange(uint32_t start, uint32_t count, const utils::dynamic_array<Il2CppMetadataUsage>& expectedUsages, bool throwOnError);
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public:
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static const Il2CppTypeDefinition* GetTypeHandleFromIndex(TypeDefinitionIndex typeIndex);
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static const Il2CppTypeDefinition* GetTypeDefinitionFromIl2CppType(const Il2CppType* type);
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static const Il2CppType* GetIl2CppTypeFromClass(const Il2CppClass* klass);
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static Il2CppClass* GetIl2CppClassFromTypeDefinition(const Il2CppTypeDefinition* typeDefinition);
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static const TypeDefinitionIndex GetTypeDefinitionIndexFromTypeDefinition(const Il2CppTypeDefinition* typeDefinition);
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static const MethodInfo* GetMethodInfoFromVTableSlot(const Il2CppClass* klass, int32_t vTableSlot);
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static const MethodInfo* GetMethodInfoFromMethodHandle(Il2CppMetadataMethodDefinitionHandle handle);
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static const Il2CppTypeDefinition* GetAssemblyTypeHandle(const Il2CppImage* image, int32_t index);
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static void RegisterInterpreterAssembly(Il2CppAssembly* assembly);
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static const Il2CppAssembly* LoadAssemblyFromBytes(const char* assemblyBytes, size_t length);
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static const Il2CppGenericMethod* FindGenericMethod(std::function<bool(const Il2CppGenericMethod*)> predic);
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static void FixThreadLocalStaticOffsetForFieldLocked(FieldInfo* field, int32_t offset, const il2cpp::os::FastAutoLock& lock);
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static const Il2CppFieldDefinition* GetFieldDefinitionFromTypeDefAndFieldIndex(const Il2CppTypeDefinition* typeDefinition, int32_t offset)
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{
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return GetFieldDefinitionFromIndex(typeDefinition->fieldStart + offset);
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}
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static const Il2CppGenericParameter* GetGenericParameterFromIndex(Il2CppMetadataGenericContainerHandle container, GenericParameterIndex offset)
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{
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return GetGenericParameterFromIndex(((Il2CppGenericContainer*)container)->genericParameterStart + offset);
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}
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static Il2CppMetadataTypeHandle GetNestedTypes(Il2CppMetadataTypeHandle handle, void** iter);
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static PackingSize ConvertPackingSizeToEnum(uint8_t packingSize);
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static Il2CppClass* FromTypeDefinition(TypeDefinitionIndex index);
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static Il2CppClass* GetTypeInfoFromHandle(Il2CppMetadataTypeHandle typeHandle)
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{
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return GetIl2CppClassFromTypeDefinition(typeHandle);
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}
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static const Il2CppType* GetInterfaceFromOffset(const Il2CppTypeDefinition* typeDefinition, InterfacesIndex index);
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static Il2CppMetadataGenericContainerHandle GetGenericContainerFromGenericClass(const Il2CppGenericClass* genericClass);
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static const Il2CppMethodDefinition* GetMethodDefinitionFromVTableSlot(const Il2CppTypeDefinition* typeDefinition, int32_t vTableSlot);
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};
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} // namespace vm
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} // namespace il2cpp
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