64 lines
1.6 KiB
C
64 lines
1.6 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/Variant.h"
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#include "Luau/Symbol.h"
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#include <map> // TODO: Kill with LuauLValueAsKey.
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#include <memory>
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#include <unordered_map>
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namespace Luau
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{
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struct TypeVar;
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using TypeId = const TypeVar*;
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struct Field;
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using LValue = Variant<Symbol, Field>;
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struct Field
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{
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std::shared_ptr<LValue> parent;
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std::string key;
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bool operator==(const Field& rhs) const;
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bool operator!=(const Field& rhs) const;
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};
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struct LValueHasher
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{
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size_t operator()(const LValue& lvalue) const;
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};
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const LValue* baseof(const LValue& lvalue);
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std::optional<LValue> tryGetLValue(const class AstExpr& expr);
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// Utility function: breaks down an LValue to get at the Symbol, and reverses the vector of keys.
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std::pair<Symbol, std::vector<std::string>> getFullName(const LValue& lvalue);
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// Kill with LuauLValueAsKey.
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std::string toString(const LValue& lvalue);
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template<typename T>
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const T* get(const LValue& lvalue)
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{
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return get_if<T>(&lvalue);
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}
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using NEW_RefinementMap = std::unordered_map<LValue, TypeId, LValueHasher>;
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using DEPRECATED_RefinementMap = std::map<std::string, TypeId>;
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// Transient. Kill with LuauLValueAsKey.
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struct RefinementMap
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{
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NEW_RefinementMap NEW_refinements;
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DEPRECATED_RefinementMap DEPRECATED_refinements;
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};
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void merge(RefinementMap& l, const RefinementMap& r, std::function<TypeId(TypeId, TypeId)> f);
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void addRefinement(RefinementMap& refis, const LValue& lvalue, TypeId ty);
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} // namespace Luau
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