luau/Analysis/include/Luau/Clone.h
Arseny Kapoulkine f7d8ad0774
Sync to upstream/release/540 (#635)
Also adjust benchmark runs to use config=profile and run clang for all benchmarks + gcc for runtime
2022-08-11 14:01:33 -07:00

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// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
#pragma once
#include "Luau/TypeArena.h"
#include "Luau/TypeVar.h"
#include <unordered_map>
namespace Luau
{
// Only exposed so they can be unit tested.
using SeenTypes = std::unordered_map<TypeId, TypeId>;
using SeenTypePacks = std::unordered_map<TypePackId, TypePackId>;
struct CloneState
{
SeenTypes seenTypes;
SeenTypePacks seenTypePacks;
int recursionCount = 0;
};
TypePackId clone(TypePackId tp, TypeArena& dest, CloneState& cloneState);
TypeId clone(TypeId tp, TypeArena& dest, CloneState& cloneState);
TypeFun clone(const TypeFun& typeFun, TypeArena& dest, CloneState& cloneState);
TypeId shallowClone(TypeId ty, TypeArena& dest, const TxnLog* log, bool alwaysClone = false);
} // namespace Luau