#pragma once
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#include <vector>
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#include <unordered_map>
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#include <tuple>
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#include "vm/GlobalMetadataFileInternals.h"
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#include "vm/Assembly.h"
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#include "gc/GarbageCollector.h"
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#include "gc/Allocator.h"
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#include "gc/AppendOnlyGCHashMap.h"
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#include "utils/Il2CppHashMap.h"
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#include "RawImage.h"
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#include "VTableSetup.h"
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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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typedef std::tuple<uint32_t, const Il2CppGenericContext*> TokenGenericContextType;
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struct TokenGenericContextTypeHash {
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size_t operator()(const TokenGenericContextType x) const noexcept {
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return std::get<0>(x) * 0x9e3779b9 + (size_t)std::get<1>(x);
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}
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};
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struct TokenGenericContextTypeEqual
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{
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bool operator()(const TokenGenericContextType a, const TokenGenericContextType b) const {
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return std::get<0>(a) == std::get<0>(b) && std::get<1>(a) == std::get<1>(b);
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}
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};
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class Image
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{
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public:
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const RawImage& GetRawImage() const
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{
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return _rawImage;
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}
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// misc
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bool IsValueTypeFromToken(TableType tableType, uint32_t rowIndex);
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bool IsThreadStaticCtorToken(TableType tableType, uint32_t rowIndex);
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void ReadMemberRefParentFromToken(const Il2CppGenericContainer* klassGenericContainer, const Il2CppGenericContainer* methodGenericContainer, TableType tableType, uint32_t rowIndex, ResolveMemberRefParent& ret);
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void ReadTypeFromMemberRefParent(const Il2CppGenericContainer* klassGenericContainer, const Il2CppGenericContainer* methodGenericContainer, TableType tableType, uint32_t rowIndex, Il2CppType& type);
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const Il2CppType* GetIl2CppType(uint32_t assemblyRefIndex, uint32_t typeNamespace, uint32_t typeName, bool raiseExceptionIfNotFound);
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// type
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void ReadType(BlobReader& reader, const Il2CppGenericContainer* klassGenericContainer, const Il2CppGenericContainer* methodGenericContainer, Il2CppType& type);
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void ReadTypeFromTypeDef(uint32_t rowIndex, Il2CppType& type);
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void ReadTypeFromTypeRef(uint32_t rowIndex, Il2CppType& type);
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void ReadTypeFromTypeSpec(const Il2CppGenericContainer* klassGenericContainer, const Il2CppGenericContainer* methodGenericContainer, uint32_t rowIndex, Il2CppType& type);
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void ReadTypeFromToken(const Il2CppGenericContainer* klassGenericContainer, const Il2CppGenericContainer* methodGenericContainer, TableType tableType, uint32_t rowIndex, Il2CppType& type);
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virtual void ReadTypeFromResolutionScope(uint32_t scope, uint32_t typeNamespace, uint32_t typeName, Il2CppType& type);
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void ReadArrayType(BlobReader& reader, const Il2CppGenericContainer* klassGenericContainer, const Il2CppGenericContainer* methodGenericContainer, Il2CppArrayType& type);
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void ReadGenericClass(BlobReader& reader, const Il2CppGenericContainer* klassGenericContainer, const Il2CppGenericContainer* methodGenericContainer, Il2CppGenericClass& type);
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// signature
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void ReadMemberRefSig(const Il2CppGenericContainer* klassGenericContainer, TbMemberRef& data, ResolveMemberRefSig& signature);
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void ReadFieldRefSig(BlobReader& reader, const Il2CppGenericContainer* klassGenericContainer, FieldRefSig& field);
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void ReadMethodRefSig(BlobReader& reader, MethodRefSig& method);
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void ReadMethodSpecInstantiation(uint32_t signatureIdx, const Il2CppGenericContainer* klassGenericContainer, const Il2CppGenericContainer* methodGenericContainer, const Il2CppGenericInst*& genericInstantiation);
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void ReadLocalVarSig(BlobReader& reader, const Il2CppGenericContainer* klassGenericContainer, const Il2CppGenericContainer* methodGenericContainer, Il2CppType*& vars, uint32_t& varCount);
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void ReadStandAloneSig(uint32_t signatureIdx, const Il2CppGenericContainer* klassGenericContainer, const Il2CppGenericContainer* methodGenericContainer, ResolveStandAloneMethodSig& sig);
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// resolve from token
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void ReadResolveMemberRefFromMemberRef(const Il2CppGenericContainer* klassGenericContainer, const Il2CppGenericContainer* methodGenericContainer, uint32_t rowIndex, ResolveMemberRef& ret);
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void ReadMethodRefInfoFromToken(const Il2CppGenericContainer* klassGenericContainer, const Il2CppGenericContainer* methodGenericContainer, TableType tableType, uint32_t rowIndex, MethodRefInfo& ret);
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void ReadMethodRefInfoFromMemberRef(const Il2CppGenericContainer* klassGenericContainer, const Il2CppGenericContainer* methodGenericContainer, uint32_t rowIndex, MethodRefInfo& ret);
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const MethodInfo* ResolveMethodInfo(const Il2CppType* type, const char* resolveMethodName, const MethodRefSig& resolveSig, const Il2CppGenericInst* genericInstantiation, const Il2CppGenericContext* genericContext);
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const void* ReadRuntimeHandleFromMemberRef(const Il2CppGenericContainer* klassGenericContainer, const Il2CppGenericContainer* methodGenericContainer, const Il2CppGenericContext* genericContext, uint32_t rowIndex);
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void ReadFieldRefInfoFromMemberRef(const Il2CppGenericContainer* klassGenericContainer, const Il2CppGenericContainer* methodGenericContainer, uint32_t rowIndex, FieldRefInfo& ret);
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void ReadMethodBody(const Il2CppMethodDefinition& methodDef, const TbMethod& methodData, MethodBody& body);
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Il2CppString* GetIl2CppUserStringFromRawIndex(StringIndex index);
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Il2CppClass* GetClassFromToken(uint32_t token, const Il2CppGenericContainer* klassGenericContainer, const Il2CppGenericContainer* methodGenericContainer, const Il2CppGenericContext* genericContext);
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const FieldInfo* GetFieldInfoFromFieldRef(const Il2CppType& type, const Il2CppFieldDefinition* fieldDef);
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const void* GetRuntimeHandleFromToken(uint32_t token, const Il2CppGenericContainer* klassGenericContainer, const Il2CppGenericContainer* methodGenericContainer, const Il2CppGenericContext* genericContext);
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const MethodInfo* FindImplMethod(Il2CppClass* klass, const MethodInfo* matchMethod);
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const FieldInfo* GetFieldInfoFromToken(uint32_t token, const Il2CppGenericContainer* klassGenericContainer, const Il2CppGenericContainer* methodGenericContainer, const Il2CppGenericContext* genericContext);
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const MethodInfo* ReadMethodInfoFromToken(const Il2CppGenericContainer* klassGenericContainer,
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const Il2CppGenericContainer* methodGenericContainer, const Il2CppGenericContext* genericContext, const Il2CppGenericInst* genericInst, TableType tableType, uint32_t rowIndex);
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const MethodInfo* GetMethodInfoFromToken(uint32_t token, const Il2CppGenericContainer* klassGenericContainer, const Il2CppGenericContainer* methodGenericContainer, const Il2CppGenericContext* genericContext);
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const MethodInfo* GetMethodInfo(const Il2CppType* containerType, const Il2CppMethodDefinition* methodDef, const Il2CppGenericInst* instantiation, const Il2CppGenericContext* genericContext);
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void GetStandAloneMethodSigFromToken(uint32_t token, const Il2CppGenericContainer* klassGenericContainer, const Il2CppGenericContainer* methodGenericContainer, const Il2CppGenericContext* genericContext, ResolveStandAloneMethodSig& methodSig);
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void ReadFieldRefInfoFromToken(const Il2CppGenericContainer* klassGenericContainer, const Il2CppGenericContainer* methodGenericContainer, TableType tableType, uint32_t rowIndex, FieldRefInfo& ret);
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virtual bool GetModuleIl2CppType(Il2CppType& type, uint32_t moduleRowIndex, uint32_t typeNamespace, uint32_t typeName, bool raiseExceptionIfNotFound) = 0;
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virtual const Il2CppType* GetIl2CppTypeFromRawTypeDefIndex(uint32_t index) = 0;
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virtual Il2CppGenericContainer* GetGenericContainerByRawIndex(uint32_t index) = 0;
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virtual Il2CppGenericContainer* GetGenericContainerByTypeDefRawIndex(int32_t typeDefIndex) = 0;
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virtual const Il2CppMethodDefinition* GetMethodDefinitionFromRawIndex(uint32_t index) = 0;
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virtual MethodBody* GetMethodBody(uint32_t token) = 0;
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virtual void ReadFieldRefInfoFromFieldDefToken(uint32_t rowIndex, FieldRefInfo& ret) = 0;
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virtual void InitRuntimeMetadatas() = 0;
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protected:
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Image()
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{
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il2cpp::vm::AssemblyVector assemblies;
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il2cpp::vm::Assembly::GetAllAssemblies(assemblies);
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for (auto ass : assemblies)
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{
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_nameToAssemblies[ass->image->nameNoExt] = ass;
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}
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}
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const Il2CppAssembly* GetLoadedAssembly(const char* assemblyName)
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{
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auto it = _nameToAssemblies.find(assemblyName);
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if (it != _nameToAssemblies.end())
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{
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return it->second;
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}
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// relying assembly is loaded after self
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for (const Il2CppAssembly* ass : *il2cpp::vm::Assembly::GetAllAssemblies())
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{
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if (!std::strcmp(ass->image->nameNoExt, assemblyName))
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{
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_nameToAssemblies[ass->image->nameNoExt] = ass;
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return ass;
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}
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}
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return nullptr;
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}
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Il2CppClass* FindNetStandardExportedType(const char* namespaceStr, const char* nameStr);
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RawImage _rawImage;
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Il2CppHashMap<const char*, const Il2CppAssembly*, CStringHash, CStringEqualTo> _nameToAssemblies;
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il2cpp::gc::AppendOnlyGCHashMap<uint32_t, Il2CppString*, il2cpp::utils::PassThroughHash<uint32_t>> _il2cppStringCache;
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Il2CppHashMap<std::tuple<uint32_t, const Il2CppGenericContext*>, void*, TokenGenericContextTypeHash, TokenGenericContextTypeEqual> _token2ResolvedDataCache;
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};
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}
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}
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