IntrinsicClassFwd.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "UObject/ObjectMacros.h"
 
#if UE_WITH_CONSTINIT_UOBJECT
 
#include "Templates/NoDestroy.h"
#include "UObject/Class.h"
#include "UObject/IntrinsicClassBaseChain.h"
 
#define UE_DEFINE_INTRINSIC_CLASS_CONSTINIT_ACCESSOR(ClassName, RequiredAPI) \
    class ClassName; \
    extern RequiredAPI constinit TNoDestroy<UClass> Z_ConstInit_UClass_##ClassName; \
    namespace UE::Private \
    { \
        template<> \
        consteval UClass* GetConstInitClass<ClassName>() \
        { \
            return &Z_ConstInit_UClass_##ClassName; \
        } \
    }
 
// Parent classes for intrinsic classes also need the accessor defined 
// CONSTINIT_UOBJECT_TODO: Should this be generated by UHT?
UE_DEFINE_INTRINSIC_CLASS_CONSTINIT_ACCESSOR(UObject, COREUOBJECT_API)
UE_DEFINE_INTRINSIC_CLASS_CONSTINIT_ACCESSOR(UPackage, COREUOBJECT_API)
UE_DEFINE_INTRINSIC_CLASS_CONSTINIT_ACCESSOR(UField, COREUOBJECT_API)
UE_DEFINE_INTRINSIC_CLASS_CONSTINIT_ACCESSOR(UStruct, COREUOBJECT_API)
UE_DEFINE_INTRINSIC_CLASS_CONSTINIT_ACCESSOR(UClass, COREUOBJECT_API)
UE_DEFINE_INTRINSIC_CLASS_CONSTINIT_ACCESSOR(UScriptStruct, COREUOBJECT_API)
 
#else
 
#define UE_DEFINE_INTRINSIC_CLASS_CONSTINIT_ACCESSOR(ClassName, RequiredAPI)
 
#endif // UE_WITH_CONSTINIT_UOBJECT