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42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
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// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreTypes.h"
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#ifndef UE_UNIVERSALOBJECTLOCATOR_DEBUG
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#define UE_UNIVERSALOBJECTLOCATOR_DEBUG !UE_BUILD_SHIPPING
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#endif
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#if UE_UNIVERSALOBJECTLOCATOR_DEBUG
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namespace UE::UniversalObjectLocator
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{
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/**
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* Type whose sole purpose is to add a vtable pointer in front of a fragment
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* to assist in debugging. When allocating the fragment, a TFragmentPayload<T>
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* is allocated in the preceeding 8 bytes which can be used by a natvis expression
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* to show the proceeding bytes as a (T*)
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*/
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struct alignas(8) IFragmentPayload
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{
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virtual ~IFragmentPayload()
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{
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}
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};
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/**
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* Templated version of IFragmentPayload that is added to the start of a fragment.
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* Utilizes a zero-sized array to cast the proceeding bytes to a T*.
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*/
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template<typename T>
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struct TFragmentPayload : IFragmentPayload
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{
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UE_NO_UNIQUE_ADDRESS uint8 Ptr[];
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};
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} // namespace UE::UniversalObjectLocator
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#endif // UE_UNIVERSALOBJECTLOCATOR_DEBUG
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