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a36a3c41cc
### What's New? * Fragment Autocomplete: a new API allows for type checking a small fragment of code against an existing file, significantly speeding up autocomplete performance in large files. ### New Solver * E-Graphs have landed: this is an ongoing approach to make the new type solver simplify types in a more consistent and principled manner, based on similar work (see: https://egraphs-good.github.io/). * Adds support for exporting / local user type functions (previously they were always exported). * Fixes a set of bugs in which the new solver will fail to complete inference for simple expressions with just literals and operators. ### General Updates * Requiring a path with a ".lua" or ".luau" extension will now have a bespoke error suggesting to remove said extension. * Fixes a bug in which whether two `Luau::Symbol`s are equal depends on whether the new solver is enabled. --- Internal Contributors: Co-authored-by: Aaron Weiss <aaronweiss@roblox.com> Co-authored-by: Andy Friesen <afriesen@roblox.com> Co-authored-by: David Cope <dcope@roblox.com> Co-authored-by: Hunter Goldstein <hgoldstein@roblox.com> Co-authored-by: Varun Saini <vsaini@roblox.com> Co-authored-by: Vighnesh Vijay <vvijay@roblox.com> Co-authored-by: Vyacheslav Egorov <vegorov@roblox.com>
95 lines
2.3 KiB
C++
95 lines
2.3 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/DenseHash.h"
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#include "Luau/LinterConfig.h"
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#include "Luau/ParseOptions.h"
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#include <memory>
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#include <optional>
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#include <string>
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#include <string_view>
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#include <vector>
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namespace Luau
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{
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using ModuleName = std::string;
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constexpr const char* kConfigName = ".luaurc";
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struct Config
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{
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Config();
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Config(const Config& other) noexcept;
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Config& operator=(const Config& other) noexcept;
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Config(Config&& other) noexcept = default;
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Config& operator=(Config&& other) noexcept = default;
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Mode mode = Mode::Nonstrict;
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ParseOptions parseOptions;
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LintOptions enabledLint;
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LintOptions fatalLint;
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bool lintErrors = false;
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bool typeErrors = true;
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std::vector<std::string> globals;
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struct AliasInfo
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{
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std::string value;
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std::string_view configLocation;
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};
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DenseHashMap<std::string, AliasInfo> aliases{""};
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void setAlias(std::string alias, const std::string& value, const std::string configLocation);
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private:
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// Prevents making unnecessary copies of the same config location string.
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DenseHashMap<std::string, std::unique_ptr<std::string>> configLocationCache{""};
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};
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struct ConfigResolver
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{
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virtual ~ConfigResolver() {}
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virtual const Config& getConfig(const ModuleName& name) const = 0;
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};
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struct NullConfigResolver : ConfigResolver
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{
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Config defaultConfig;
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virtual const Config& getConfig(const ModuleName& name) const override;
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};
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std::optional<std::string> parseModeString(Mode& mode, const std::string& modeString, bool compat = false);
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std::optional<std::string> parseLintRuleString(
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LintOptions& enabledLints,
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LintOptions& fatalLints,
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const std::string& warningName,
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const std::string& value,
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bool compat = false
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);
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bool isValidAlias(const std::string& alias);
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struct ConfigOptions
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{
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bool compat = false;
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struct AliasOptions
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{
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std::string configLocation;
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bool overwriteAliases;
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};
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std::optional<AliasOptions> aliasOptions = std::nullopt;
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};
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std::optional<std::string> parseConfig(const std::string& contents, Config& config, const ConfigOptions& options = ConfigOptions{});
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} // namespace Luau
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