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https://github.com/luau-lang/luau.git
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c799a548e4
> 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 (e.g.: https://egraphs-good.github.io/). * Adds support for exported / local user type functions. * Fixes a set of bugs in which the new solver will fail to complete inference for simple expressions with just literals and operators. > General * It is now an explicit runtime error to `require` a path with a ".lua" or ".luau" extension, and the error message will suggest removing the extension. ``` require("path/to/mymodule.lua") ``` * Fixes a bug in which whether two `Symbol`s are equal depends on whether the new solver is enabled.
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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