VVMProgram.h

Go to the documentation of this file.

// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#if WITH_VERSE_VM || defined(__INTELLISENSE__)
 
#include "VVMCell.h"
#include "VVMPackage.h"
#include "VVMTupleType.h"
#include "VerseVM/VVMNameValueMap.h"
 
namespace Verse
{
struct VFunction;
struct VIntrinsics;
struct VMapBase;
 
struct VProgram : VCell
{
    DECLARE_DERIVED_VCPPCLASSINFO(COREUOBJECT_API, VCell);
    COREUOBJECT_API static TGlobalTrivialEmergentTypePtr<&StaticCppClassInfo> GlobalTrivialEmergentType;
 
    uint32 NumPackages() const { return PackageMap.Num(); }
    const VUniqueString& GetPackageName(uint32 Index) const { return PackageMap.GetName(Index); }
    VPackage& GetPackage(uint32 Index) const { return PackageMap.GetCell<VPackage>(Index); }
    COREUOBJECT_API void AddPackage(FAllocationContext Context, VUniqueString& Name, VPackage& Package, bool bRegisterUsedTypes);
    COREUOBJECT_API void RemovePackage(FUtf8StringView VersePackageName);
    VPackage* LookupPackage(FUtf8StringView VersePackageName) const { return PackageMap.LookupCell<VPackage>(VersePackageName); }
    VPackage* LookupPackageByFName(FName VersePackageName) const { return PackageMap.LookupCellByFName<VPackage>(VersePackageName); }
 
    // Will overwrite existing entry if exists
    COREUOBJECT_API void AddTupleType(FAllocationContext Context, VUniqueString& MangledName, VTupleType& TupleType);
    COREUOBJECT_API VTupleType* LookupTupleType(FAccessContext Context, VUniqueString& MangledName) const;
 
    // Will overwrite existing entry if exists
    COREUOBJECT_API void AddImport(FAllocationContext Context, VNamedType& TypeWithImport, UField* ImportedType);
    COREUOBJECT_API VNamedType* LookupImport(FAllocationContext Context, UField* ImportedType) const;
    VPackage* LookupPackage(FAllocationContext Context, UPackage* Package);
 
    VIntrinsics& GetIntrinsics() const { return *Intrinsics.Get(); }
    void AddIntrinsics(FAllocationContext Context, VIntrinsics& InIntrinsics) { Intrinsics.Set(Context, InIntrinsics); }
 
    VFunction& GetUpdatePersistentWeakMapPlayer() const { return *UpdatePersistentWeakMapPlayer.Get(); }
    void AddUpdatePersistentWeakMapPlayer(FAllocationContext Context, VFunction& InUpdatePersistentWeakMapPlayer) { UpdatePersistentWeakMapPlayer.Set(Context, InUpdatePersistentWeakMapPlayer); }
 
    COREUOBJECT_API void Reset(FAllocationContext Context);
 
    static VProgram& New(FAllocationContext Context, uint32 Capacity)
    {
        return *new (Context.AllocateFastCell(sizeof(VProgram))) VProgram(Context, Capacity);
    }
 
private:
    VProgram(FAllocationContext Context, uint32 Capacity)
        : VCell(Context, &GlobalTrivialEmergentType.Get(Context))
        , PackageMap(Context, Capacity)
    {
    }
 
    VNameValueMap PackageMap;
    TWriteBarrier<VWeakCellMap> TupleTypeMap;
    TWriteBarrier<VMapBase> ImportMap; // For reverse lookup UField -> VNamedType
    TWriteBarrier<VIntrinsics> Intrinsics;
    TWriteBarrier<VFunction> UpdatePersistentWeakMapPlayer;
};
} // namespace Verse
#endif // WITH_VERSE_VM