luau/Config/include/Luau/Config.h
Andy Friesen 543de6e939
Sync to upstream/release/646 (#1458)
# General Updates

* Fix some cases where documentation symbols would not be available when
mouseovering at certain positions in the code
* Scaffolding to help embedders have more control over how `typeof(x)`
refines types
* Refinements to require-by-string semantics. See
https://github.com/luau-lang/rfcs/pull/56 for details.
* Fix for https://github.com/luau-lang/luau/issues/1405

# New Solver

* Fix many crashes (thanks you for your bug reports!)
* Type functions can now call each other
* Type functions all evaluate in a single VM. This should improve
typechecking performance and reduce memory use.
* `export type function` is now forbidden and fails with a clear error
message
* Type functions that access locals in the surrounding environment are
now properly a parse error
* You can now use `:setindexer(types.never, types.never)` to delete an
indexer from a table type.

# Internal Contributors

Co-authored-by: Aaron Weiss <aaronweiss@roblox.com>
Co-authored-by: Hunter Goldstein <hgoldstein@roblox.com>
Co-authored-by: Varun Saini <vsaini@roblox.com>
Co-authored-by: Vyacheslav Egorov <vegorov@roblox.com>
2024-10-04 11:29:55 -07:00

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C++

// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
#pragma once
#include "Luau/LinterConfig.h"
#include "Luau/ParseOptions.h"
#include <optional>
#include <string>
#include <unordered_map>
#include <vector>
namespace Luau
{
using ModuleName = std::string;
constexpr const char* kConfigName = ".luaurc";
struct Config
{
Config();
Mode mode = Mode::Nonstrict;
ParseOptions parseOptions;
LintOptions enabledLint;
LintOptions fatalLint;
bool lintErrors = false;
bool typeErrors = true;
std::vector<std::string> globals;
std::unordered_map<std::string, std::string> aliases;
};
struct ConfigResolver
{
virtual ~ConfigResolver() {}
virtual const Config& getConfig(const ModuleName& name) const = 0;
};
struct NullConfigResolver : ConfigResolver
{
Config defaultConfig;
virtual const Config& getConfig(const ModuleName& name) const override;
};
std::optional<std::string> parseModeString(Mode& mode, const std::string& modeString, bool compat = false);
std::optional<std::string> parseLintRuleString(
LintOptions& enabledLints,
LintOptions& fatalLints,
const std::string& warningName,
const std::string& value,
bool compat = false
);
bool isValidAlias(const std::string& alias);
std::optional<std::string> parseConfig(const std::string& contents, Config& config, bool compat = false);
} // namespace Luau