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213 lines
6.6 KiB
C++
213 lines
6.6 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/Config.h"
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#include "Luau/FileResolver.h"
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#include "Luau/Frontend.h"
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#include "Luau/IostreamHelpers.h"
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#include "Luau/Linter.h"
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#include "Luau/Location.h"
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#include "Luau/ModuleResolver.h"
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#include "Luau/Scope.h"
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#include "Luau/ToString.h"
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#include "Luau/TypeInfer.h"
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#include "Luau/TypeVar.h"
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#include "IostreamOptional.h"
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#include "ScopedFlags.h"
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#include <iostream>
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#include <string>
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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 TestFileResolver
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: FileResolver
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, ModuleResolver
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{
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std::optional<ModuleInfo> resolveModuleInfo(const ModuleName& currentModuleName, const AstExpr& pathExpr) override
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{
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if (auto name = pathExprToModuleName(currentModuleName, pathExpr))
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return {{*name, false}};
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return std::nullopt;
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}
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const ModulePtr getModule(const ModuleName& moduleName) const override
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{
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LUAU_ASSERT(false);
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return nullptr;
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}
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bool moduleExists(const ModuleName& moduleName) const override
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{
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auto it = source.find(moduleName);
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return (it != source.end());
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}
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std::optional<SourceCode> readSource(const ModuleName& name) override
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{
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auto it = source.find(name);
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if (it == source.end())
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return std::nullopt;
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SourceCode::Type sourceType = SourceCode::Module;
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auto it2 = sourceTypes.find(name);
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if (it2 != sourceTypes.end())
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sourceType = it2->second;
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return SourceCode{it->second, sourceType};
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}
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std::optional<ModuleInfo> resolveModule(const ModuleInfo* context, AstExpr* expr) override;
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std::string getHumanReadableModuleName(const ModuleName& name) const override;
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std::optional<std::string> getEnvironmentForModule(const ModuleName& name) const override;
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std::unordered_map<ModuleName, std::string> source;
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std::unordered_map<ModuleName, SourceCode::Type> sourceTypes;
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std::unordered_map<ModuleName, std::string> environments;
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};
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struct TestConfigResolver : ConfigResolver
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{
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Config defaultConfig;
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std::unordered_map<ModuleName, Config> configFiles;
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const Config& getConfig(const ModuleName& name) const override
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{
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auto it = configFiles.find(name);
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if (it != configFiles.end())
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return it->second;
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return defaultConfig;
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}
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};
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struct Fixture
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{
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explicit Fixture(bool freeze = true, bool prepareAutocomplete = false);
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~Fixture();
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// Throws Luau::ParseErrors if the parse fails.
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AstStatBlock* parse(const std::string& source, const ParseOptions& parseOptions = {});
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CheckResult check(Mode mode, std::string source);
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CheckResult check(const std::string& source);
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LintResult lint(const std::string& source, const std::optional<LintOptions>& lintOptions = {});
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LintResult lintTyped(const std::string& source, const std::optional<LintOptions>& lintOptions = {});
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/// Parse with all language extensions enabled
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ParseResult parseEx(const std::string& source, const ParseOptions& parseOptions = {});
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ParseResult tryParse(const std::string& source, const ParseOptions& parseOptions = {});
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ParseResult matchParseError(const std::string& source, const std::string& message, std::optional<Location> location = std::nullopt);
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// Verify a parse error occurs and the parse error message has the specified prefix
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ParseResult matchParseErrorPrefix(const std::string& source, const std::string& prefix);
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ModulePtr getMainModule();
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SourceModule* getMainSourceModule();
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std::optional<PrimitiveTypeVar::Type> getPrimitiveType(TypeId ty);
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std::optional<TypeId> getType(const std::string& name);
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TypeId requireType(const std::string& name);
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TypeId requireType(const ModuleName& moduleName, const std::string& name);
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TypeId requireType(const ModulePtr& module, const std::string& name);
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TypeId requireType(const ScopePtr& scope, const std::string& name);
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std::optional<TypeId> findTypeAtPosition(Position position);
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TypeId requireTypeAtPosition(Position position);
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std::optional<TypeId> findExpectedTypeAtPosition(Position position);
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std::optional<TypeId> lookupType(const std::string& name);
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std::optional<TypeId> lookupImportedType(const std::string& moduleAlias, const std::string& name);
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ScopedFastFlag sff_DebugLuauFreezeArena;
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TestFileResolver fileResolver;
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TestConfigResolver configResolver;
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std::unique_ptr<SourceModule> sourceModule;
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Frontend frontend;
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TypeChecker& typeChecker;
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std::string decorateWithTypes(const std::string& code);
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void dumpErrors(std::ostream& os, const std::vector<TypeError>& errors);
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void dumpErrors(const CheckResult& cr);
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void dumpErrors(const ModulePtr& module);
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void dumpErrors(const Module& module);
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void validateErrors(const std::vector<TypeError>& errors);
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std::string getErrors(const CheckResult& cr);
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void registerTestTypes();
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LoadDefinitionFileResult loadDefinition(const std::string& source);
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};
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struct BuiltinsFixture : Fixture
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{
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BuiltinsFixture(bool freeze = true, bool prepareAutocomplete = false);
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};
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struct ConstraintGraphBuilderFixture : Fixture
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{
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TypeArena arena;
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ConstraintGraphBuilder cgb{&arena};
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ScopedFastFlag forceTheFlag;
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ConstraintGraphBuilderFixture();
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};
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ModuleName fromString(std::string_view name);
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template<typename T>
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std::optional<T> get(const std::map<Name, T>& map, const Name& name)
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{
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auto it = map.find(name);
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if (it != map.end())
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return std::optional<T>(it->second);
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else
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return std::nullopt;
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}
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std::string rep(const std::string& s, size_t n);
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bool isInArena(TypeId t, const TypeArena& arena);
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void dumpErrors(const ModulePtr& module);
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void dumpErrors(const Module& module);
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void dump(const std::string& name, TypeId ty);
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void dump(const std::vector<Constraint>& constraints);
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std::optional<TypeId> lookupName(ScopePtr scope, const std::string& name); // Warning: This function runs in O(n**2)
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std::optional<TypeId> linearSearchForBinding(Scope2* scope, const char* name);
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} // namespace Luau
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#define LUAU_REQUIRE_ERRORS(result) \
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do \
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{ \
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auto&& r = (result); \
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validateErrors(r.errors); \
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REQUIRE(!r.errors.empty()); \
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} while (false)
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#define LUAU_REQUIRE_ERROR_COUNT(count, result) \
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do \
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{ \
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auto&& r = (result); \
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validateErrors(r.errors); \
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REQUIRE_MESSAGE(count == r.errors.size(), getErrors(r)); \
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} while (false)
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#define LUAU_REQUIRE_NO_ERRORS(result) LUAU_REQUIRE_ERROR_COUNT(0, result)
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