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51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
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// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
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#pragma once
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#include "Luau/TypeFwd.h"
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#include "Luau/NotNull.h"
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#include "Luau/DenseHash.h"
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#include <memory>
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#include <optional>
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#include <vector>
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namespace Luau
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{
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struct TypeArena;
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}
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// The EqSat stuff is pretty template heavy, so we go to some lengths to prevent
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// the complexity from leaking outside its implementation sources.
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namespace Luau::EqSatSimplification
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{
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struct Simplifier;
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using SimplifierPtr = std::unique_ptr<Simplifier, void (*)(Simplifier*)>;
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SimplifierPtr newSimplifier(NotNull<TypeArena> arena, NotNull<BuiltinTypes> builtinTypes);
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} // namespace Luau::EqSatSimplification
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namespace Luau
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{
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struct EqSatSimplificationResult
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{
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TypeId result;
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// New type function applications that were created by the reduction phase.
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// We return these so that the ConstraintSolver can know to try to reduce
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// them.
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std::vector<TypeId> newTypeFunctions;
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};
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using EqSatSimplification::newSimplifier; // NOLINT: clang-tidy thinks these are unused. It is incorrect.
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using Luau::EqSatSimplification::Simplifier; // NOLINT
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using Luau::EqSatSimplification::SimplifierPtr;
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std::optional<EqSatSimplificationResult> eqSatSimplify(NotNull<Simplifier> simplifier, TypeId ty);
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} // namespace Luau
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