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94 lines
2.6 KiB
C++
94 lines
2.6 KiB
C++
// 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/Error.h"
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#include "Luau/FileResolver.h"
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#include "Luau/ParseOptions.h"
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#include "Luau/ParseResult.h"
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#include "Luau/Scope.h"
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#include "Luau/TypeArena.h"
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#include <memory>
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#include <vector>
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#include <unordered_map>
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#include <optional>
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namespace Luau
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{
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struct Module;
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using ScopePtr = std::shared_ptr<struct Scope>;
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using ModulePtr = std::shared_ptr<Module>;
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class AstType;
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class AstTypePack;
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/// Root of the AST of a parsed source file
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struct SourceModule
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{
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ModuleName name; // DataModel path if possible. Filename if not.
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SourceCode::Type type = SourceCode::None;
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std::optional<std::string> environmentName;
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bool cyclic = false;
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std::shared_ptr<Allocator> allocator;
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std::shared_ptr<AstNameTable> names;
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std::vector<ParseError> parseErrors;
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AstStatBlock* root = nullptr;
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std::optional<Mode> mode;
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std::vector<HotComment> hotcomments;
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std::vector<Comment> commentLocations;
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SourceModule()
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: allocator(new Allocator)
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, names(new AstNameTable(*allocator))
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{
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}
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};
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bool isWithinComment(const SourceModule& sourceModule, Position pos);
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struct RequireCycle
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{
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Location location;
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std::vector<ModuleName> path; // one of the paths for a require() to go all the way back to the originating module
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};
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struct Module
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{
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~Module();
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TypeArena interfaceTypes;
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TypeArena internalTypes;
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// Scopes and AST types refer to parse data, so we need to keep that alive
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std::shared_ptr<Allocator> allocator;
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std::shared_ptr<AstNameTable> names;
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std::vector<std::pair<Location, ScopePtr>> scopes; // never empty
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DenseHashMap<const AstExpr*, TypeId> astTypes{nullptr};
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DenseHashMap<const AstExpr*, TypePackId> astTypePacks{nullptr};
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DenseHashMap<const AstExpr*, TypeId> astExpectedTypes{nullptr};
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DenseHashMap<const AstExpr*, TypeId> astOriginalCallTypes{nullptr};
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DenseHashMap<const AstExpr*, TypeId> astOverloadResolvedTypes{nullptr};
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DenseHashMap<const AstType*, TypeId> astResolvedTypes{nullptr};
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DenseHashMap<const AstTypePack*, TypePackId> astResolvedTypePacks{nullptr};
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std::unordered_map<Name, TypeId> declaredGlobals;
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ErrorVec errors;
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Mode mode;
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SourceCode::Type type;
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bool timeout = false;
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ScopePtr getModuleScope() const;
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// Once a module has been typechecked, we clone its public interface into a separate arena.
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// This helps us to force TypeVar ownership into a DAG rather than a DCG.
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void clonePublicInterface(InternalErrorReporter& ice);
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};
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} // namespace Luau
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