Badminton-Scoreboard/Libraries/libil2cpp/include/vm/Class.h
2023-10-08 10:24:48 +08:00

214 lines
11 KiB
C++

#pragma once
#include <stdint.h>
#include "il2cpp-config.h"
#include "il2cpp-blob.h"
#include "il2cpp-class-internals.h"
#include "metadata/ArrayMetadata.h"
#include "metadata/Il2CppTypeCompare.h"
#include "utils/dynamic_array.h"
#include "il2cpp-class-internals.h"
#include "il2cpp-object-internals.h"
#include "Exception.h"
#include "GenericClass.h"
#include "Type.h"
#include "os/Mutex.h"
#include "vm/MetadataCache.h"
#include "il2cpp-tabledefs.h"
struct Il2CppClass;
struct EventInfo;
struct FieldInfo;
struct PropertyInfo;
struct MethodInfo;
struct Il2CppImage;
struct Il2CppReflectionType;
struct Il2CppType;
struct Il2CppGenericContainer;
struct Il2CppGenericContext;
struct MonoGenericParameterInfo;
namespace il2cpp
{
namespace vm
{
class TypeNameParseInfo;
enum TypeSearchFlags
{
kTypeSearchFlagNone = 0x0,
kTypeSearchFlagIgnoreCase = 0x1,
kTypeSearchFlagThrowOnError = 0x2,
kTypeSearchFlagDontUseExecutingImage = 0x4
};
class LIBIL2CPP_CODEGEN_API Class
{
public:
static Il2CppClass* FromIl2CppType(const Il2CppType* type, bool throwOnError = true);
static Il2CppClass* FromIl2CppTypeEnum(Il2CppTypeEnum type);
static Il2CppClass* FromName(const Il2CppImage* image, const char* namespaze, const char *name);
static Il2CppClass* FromSystemType(Il2CppReflectionType *type);
static Il2CppClass* FromGenericParameter(Il2CppMetadataGenericParameterHandle param);
static Il2CppClass* GetElementClass(Il2CppClass *klass);
static const Il2CppType* GetEnumBaseType(Il2CppClass *klass);
static const EventInfo* GetEvents(Il2CppClass *klass, void* *iter);
static FieldInfo* GetFields(Il2CppClass *klass, void* *iter);
static FieldInfo* GetFieldFromName(Il2CppClass *klass, const char* name);
static const MethodInfo* GetFinalizer(Il2CppClass *klass);
static int32_t GetInstanceSize(const Il2CppClass *klass);
static Il2CppClass* GetInterfaces(Il2CppClass *klass, void* *iter);
static const MethodInfo* GetMethods(Il2CppClass *klass, void* *iter);
static const MethodInfo* GetMethodFromName(Il2CppClass *klass, const char* name, int argsCount);
static const MethodInfo* GetMethodFromNameFlags(Il2CppClass *klass, const char* name, int argsCount, int32_t flags);
static const MethodInfo* GetMethodFromNameFlagsAndSig(Il2CppClass *klass, const char* name, int argsCount, int32_t flags, const Il2CppType** argTypes);
static const MethodInfo* GetGenericInstanceMethodFromDefintion(Il2CppClass* genericInstanceClass, const MethodInfo* methodDefinition);
static const char* GetName(Il2CppClass *klass);
static const char* GetNamespace(Il2CppClass *klass);
static Il2CppClass* GetNestedTypes(Il2CppClass *klass, void* *iter);
static size_t GetNumMethods(const Il2CppClass* klass);
static size_t GetNumProperties(const Il2CppClass* klass);
static size_t GetNumFields(const Il2CppClass* klass);
static Il2CppClass* GetParent(Il2CppClass *klass);
static const PropertyInfo* GetProperties(Il2CppClass *klass, void* *iter);
static const PropertyInfo* GetPropertyFromName(Il2CppClass *klass, const char* name);
static int32_t GetValueSize(Il2CppClass *klass, uint32_t *align);
//for Unsafe, but more performant version of HasParent, see ClassInlines.h
static bool HasParent(Il2CppClass *klass, Il2CppClass *parent);
static bool IsAssignableFrom(Il2CppClass *klass, Il2CppClass *oklass);
static bool IsAssignableFrom(Il2CppReflectionType *klass, Il2CppReflectionType *oklass);
static bool IsGeneric(const Il2CppClass *klass);
static bool IsInflated(const Il2CppClass *klass);
static bool IsGenericTypeDefinition(const Il2CppClass *klass);
static bool IsSubclassOf(Il2CppClass *klass, Il2CppClass *klassc, bool check_interfaces);
static bool IsValuetype(const Il2CppClass *klass);
static bool IsBlittable(const Il2CppClass *klass);
static bool HasDefaultConstructor(Il2CppClass* klass);
static int GetFlags(const Il2CppClass *klass);
static bool IsAbstract(const Il2CppClass *klass);
static bool IsInterface(const Il2CppClass *klass);
static bool IsNullable(const Il2CppClass *klass);
static Il2CppClass* GetNullableArgument(const Il2CppClass* klass);
static int GetArrayElementSize(const Il2CppClass *klass);
static const Il2CppType* GetByrefType(Il2CppClass *klass);
static const Il2CppType* GetType(Il2CppClass *klass);
static const Il2CppType* GetType(Il2CppClass *klass, const TypeNameParseInfo &info);
static bool HasAttribute(Il2CppClass *klass, Il2CppClass *attr_class);
static bool IsEnum(const Il2CppClass *klass);
static const Il2CppImage* GetImage(Il2CppClass* klass);
static const char *GetAssemblyName(const Il2CppClass *klass);
static const char *GetAssemblyNameNoExtension(const Il2CppClass *klass);
static Il2CppClass* GenericParamGetBaseType(Il2CppClass* klass);
static MonoGenericParameterInfo* GetOrCreateMonoGenericParameterInfo(Il2CppMetadataGenericParameterHandle parameterHandle);
static const int IgnoreNumberOfArguments;
public:
static void Init(Il2CppClass *klass);
static bool InitLocked(Il2CppClass* klass, const il2cpp::os::FastAutoLock& lock);
static Il2CppClass* GetArrayClass(Il2CppClass *element_class, uint32_t rank);
static Il2CppClass* GetBoundedArrayClass(Il2CppClass *element_class, uint32_t rank, bool bounded);
static Il2CppClass* GetInflatedGenericInstanceClass(Il2CppClass* klass, const Il2CppType** types, uint32_t typeCount);
static Il2CppClass* GetInflatedGenericInstanceClass(Il2CppClass* klass, const Il2CppGenericInst* genericInst);
static Il2CppClass* InflateGenericClass(Il2CppClass* klass, Il2CppGenericContext *context);
static const Il2CppType* InflateGenericType(const Il2CppType* type, Il2CppGenericContext *context);
static Il2CppMetadataGenericContainerHandle GetGenericContainer(Il2CppClass *klass);
static const MethodInfo* GetCCtor(Il2CppClass *klass);
static const char* GetFieldDefaultValue(const FieldInfo *field, const Il2CppType** type);
static int GetFieldMarshaledSize(const FieldInfo *field);
static int GetFieldMarshaledAlignment(const FieldInfo *field);
static Il2CppClass* GetPtrClass(const Il2CppType* type);
static Il2CppClass* GetPtrClass(Il2CppClass* elementClass);
static bool HasReferences(Il2CppClass *klass);
static void SetupEvents(Il2CppClass *klass);
static void SetupFields(Il2CppClass *klass);
static void SetupMethods(Il2CppClass *klass);
static void SetupNestedTypes(Il2CppClass *klass);
static void SetupProperties(Il2CppClass *klass);
static void SetupTypeHierarchy(Il2CppClass *klass);
static void SetupInterfaces(Il2CppClass *klass);
static const il2cpp::utils::dynamic_array<Il2CppClass*>& GetStaticFieldData();
static size_t GetBitmapSize(const Il2CppClass* klass);
static void GetBitmap(Il2CppClass* klass, size_t* bitmap, size_t& maxSetBit);
static const Il2CppType* il2cpp_type_from_type_info(const TypeNameParseInfo& info, TypeSearchFlags searchFlags);
static Il2CppClass* GetDeclaringType(Il2CppClass* klass);
static const MethodInfo* GetVirtualMethod(Il2CppClass* klass, const MethodInfo* virtualMethod);
static void SetClassInitializationError(Il2CppClass* klass, Il2CppException* error);
static void UpdateInitializedAndNoError(Il2CppClass *klass);
static IL2CPP_FORCE_INLINE bool IsGenericClassAssignableFrom(const Il2CppClass* klass, const Il2CppClass* oklass, const Il2CppClass* implementingClass = il2cpp_defaults.missing_class)
{
return klass == oklass || IsGenericClassAssignableFromVariance(klass, oklass, implementingClass);
}
static IL2CPP_FORCE_INLINE bool IsGenericClassAssignableFromVariance(const Il2CppClass* klass, const Il2CppClass* oklass, const Il2CppClass* implementingClass = il2cpp_defaults.missing_class)
{
IL2CPP_ASSERT(klass != oklass && "IsGenericClassAssignableFromVariance is for generic variance checks - you should call IsGenericClassAssignableFrom instead");
const Il2CppGenericClass* genericClass = klass->generic_class;
const Il2CppGenericClass* oGenericClass = oklass->generic_class;
if (oGenericClass == NULL || !GenericClass::HasSameGenericTypeDefinition(oGenericClass, genericClass))
return false;
const Il2CppGenericInst* genericInst = genericClass->context.class_inst;
const Il2CppGenericInst* oGenericInst = oGenericClass->context.class_inst;
Il2CppMetadataGenericContainerHandle genericContainer = MetadataCache::GetGenericContainerFromGenericClass(klass->image, klass->generic_class);
IL2CPP_ASSERT(oGenericInst->type_argc == genericInst->type_argc);
for (uint32_t i = 0; i < genericInst->type_argc; ++i)
{
uint16_t flags = MetadataCache::GetGenericParameterFlags(MetadataCache::GetGenericParameterFromIndex(genericContainer, i));
const int32_t parameterVariance = flags & IL2CPP_GENERIC_PARAMETER_ATTRIBUTE_VARIANCE_MASK;
Il2CppClass* genericParameterType = Class::FromIl2CppType(genericInst->type_argv[i]);
Il2CppClass* oGenericParameterType = Class::FromIl2CppType(oGenericInst->type_argv[i]);
if (parameterVariance == IL2CPP_GENERIC_PARAMETER_ATTRIBUTE_NON_VARIANT || Class::IsValuetype(genericParameterType) || Class::IsValuetype(oGenericParameterType))
{
if (genericParameterType != oGenericParameterType)
{
if (implementingClass->rank || implementingClass->declaringType == il2cpp_defaults.array_class)
{
// For arrays or System.Array/InternalEnumerator<T> we need to follow the array variance rules when looking for an
// generic interface i.e. Int32[] should be assignable to IEnumerable<UInt32>
IL2CPP_ASSERT(implementingClass->rank || strcmp(implementingClass->name, "InternalEnumerator`1") == 0);
if (metadata::ArrayMetadata::GetArrayVarianceReducedType(genericParameterType) != metadata::ArrayMetadata::GetArrayVarianceReducedType(oGenericParameterType))
return false;
}
else
{
return false;
}
}
}
else if (parameterVariance == IL2CPP_GENERIC_PARAMETER_ATTRIBUTE_COVARIANT)
{
if (!Class::IsAssignableFrom(genericParameterType, oGenericParameterType))
return false;
}
else
{
IL2CPP_ASSERT(parameterVariance == IL2CPP_GENERIC_PARAMETER_ATTRIBUTE_CONTRAVARIANT);
if (!Class::IsAssignableFrom(oGenericParameterType, genericParameterType))
return false;
}
}
return true;
}
};
} /* namespace vm */
} /* namespace il2cpp */