VVMIntType.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#if WITH_VERSE_VM || defined(__INTELLISENSE__)
 
#include "Containers/StringFwd.h"
#include "VerseVM/VVMGlobalTrivialEmergentTypePtr.h"
#include "VerseVM/VVMInt.h"
#include "VerseVM/VVMType.h"
#include "VerseVM/VVMWriteBarrier.h"
 
namespace Verse
{
enum class EValueStringFormat;
 
// An int type with constraints. A uninitialized min/max means no constraint.
struct VIntType : VType
{
    DECLARE_DERIVED_VCPPCLASSINFO(COREUOBJECT_API, VType);
    COREUOBJECT_API static TGlobalTrivialEmergentTypePtr<&StaticCppClassInfo> GlobalTrivialEmergentType;
 
    static VIntType& New(FAllocationContext Context, VInt InMin, VInt InMax)
    {
        return *new (Context.AllocateFastCell(sizeof(VIntType))) VIntType(Context, InMin, InMax);
    }
 
    const VInt GetMin() const
    {
        return Min.Get();
    }
 
    const VInt GetMax() const
    {
        return Max.Get();
    }
 
    bool SubsumesImpl(FAllocationContext Context, VValue);
 
    COREUOBJECT_API void AppendToStringImpl(FAllocationContext Context, FUtf8StringBuilderBase& Builder, EValueStringFormat Format, TSet<const void*>& VisitedObjects, uint32 RecursionDepth);
    COREUOBJECT_API TSharedPtr<FJsonValue> ToJSONImpl(FRunningContext Context, EValueJSONFormat Format, TMap<const void*, EVisitState>& VisitedObjects, const VerseVMToJsonCallback& Callback, uint32 RecursionDepth, FJsonObject* Defs);
    COREUOBJECT_API VValue FromJSONImpl(FRunningContext Context, const FJsonValue& JsonValue, EValueJSONFormat Format);
 
    static constexpr bool SerializeIdentity = false;
    static void SerializeLayout(FAllocationContext Context, VIntType*& This, FStructuredArchiveVisitor& Visitor);
    void SerializeImpl(FAllocationContext, FStructuredArchiveVisitor& Visitor);
 
private:
    explicit VIntType(FAllocationContext& Context, VInt InMin, VInt InMax)
        : VType(Context, &GlobalTrivialEmergentType.Get(Context))
        , Min(Context, InMin)
        , Max(Context, InMax)
    {
    }
 
    TWriteBarrier<VInt> Min;
    TWriteBarrier<VInt> Max;
};
 
} // namespace Verse
#endif // WITH_VERSE_VM