luau/Common/include/Luau/ExperimentalFlags.h

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// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details
#pragma once
#include <string.h>
namespace Luau
{
inline bool isFlagExperimental(const char* flag)
{
// Flags in this list are disabled by default in various command-line tools. They may have behavior that is not fully final,
// or critical bugs that are found after the code has been submitted.
static const char* const kList[] = {
Sync to upstream/release/622 (#1232) # What's changed? * Improved the actual message for the type errors for `cannot call non-function` when attempting to call a union of functions/callable tables. The error now correctly explains the issue is an inability to determine the return type of the call in this situation. * Resolve an issue where tables and metatables were not correctly being cloned during instantiation (fixes #1176). * Refactor `luaM_getnextgcopage` to `luaM_getnextpage` (generally removing `gco` prefix where appropriate). * Optimize `table.move` between tables for large ranges of elements. * Reformat a bunch of code automatically using `clang-format`. ### New Type Solver * Clean up minimally-used or unused constraints in the constraint solver (`InstantiationConstraint`, `SetOpConstraint`, `SingletonOrTopTypeConstraint`). * Add a builtin `singleton` type family to replace `SingletonOrTopTypeConstraint` when inferring refinements. * Fixed a crash involving type path reasoning by recording when type family reduction has taken place in the path. * Improved constraint ordering by blocking on unreduced types families that are not yet proven uninhabitable. * Improved the handling of `SetIndexerConstraints` for both better inference quality and to resolve crashes. * Fix a crash when normalizing cyclic unions of intersections. * Fix a crash when normalizing an intersection with the negation of `unknown`. * Fix a number of crashes caused by missing `follow` calls on `TypeId`s. * Changed type family reduction to correctly use a semantic notion of uninhabited types, rather than checking for `never` types specifically. * Refactor the `union` and `intersect` type families to be variadic. ### Native Code Generation * Improve translation for userdata key get/set and userdata/vector namecall. * Provide `[top level]` and `[anonymous]` as function names to `FunctionStats` as appropriate when no function name is available. * Disable unwind support on Android platforms since it is unsupported. * --- ### Internal Contributors Co-authored-by: Aaron Weiss <aaronweiss@roblox.com> Co-authored-by: Alexander McCord <amccord@roblox.com> Co-authored-by: Andy Friesen <afriesen@roblox.com> Co-authored-by: Aviral Goel <agoel@roblox.com> Co-authored-by: Vighnesh Vijay <vvijay@roblox.com> Co-authored-by: Vyacheslav Egorov <vegorov@roblox.com> --------- Co-authored-by: Alexander McCord <amccord@roblox.com> Co-authored-by: Andy Friesen <afriesen@roblox.com> Co-authored-by: Vighnesh <vvijay@roblox.com> Co-authored-by: Aviral Goel <agoel@roblox.com> Co-authored-by: David Cope <dcope@roblox.com> Co-authored-by: Lily Brown <lbrown@roblox.com> Co-authored-by: Vyacheslav Egorov <vegorov@roblox.com>
2024-04-19 14:48:02 -07:00
"LuauInstantiateInSubtyping", // requires some fixes to lua-apps code
"LuauFixIndexerSubtypingOrdering", // requires some small fixes to lua-apps code since this fixes a false negative
"StudioReportLuauAny2", // takes telemetry data for usage of any types
Sync to upstream/release/660 (#1643) # General This release introduces initial work on a Roundtrippable AST for Luau, and numerous fixes to the new type solver, runtime, and fragment autocomplete. ## Roundtrippable AST To support tooling around source code transformations, we are extending the parser to retain source information so that we can re-emit the initial source code exactly as the author wrote it. We have made numerous changes to the Transpiler, added new AST types such as `AstTypeGroup`, and added source information to AST nodes such as `AstExprInterpString`, `AstExprIfElse`, `AstTypeTable`, `AstTypeReference`, `AstTypeSingletonString`, and `AstTypeTypeof`. ## New Type Solver * Implement `setmetatable` and `getmetatable` type functions. * Fix handling of nested and recursive union type functions to prevent the solver from getting stuck. * Free types in both old and new solver now have an upper and lower bound to resolve mixed mode usage of the solvers in fragment autocomplete. * Fix infinite recursion during normalization of cyclic tables. * Add normalization support for intersections of subclasses with negated superclasses. ## Runtime * Fix compilation error in Luau buffer bit operations for big-endian machines. ## Miscellaneous * Add test and bugfixes to fragment autocomplete. * Fixed `clang-tidy` warnings in `Simplify.cpp`. **Full Changelog**: https://github.com/luau-lang/luau/compare/0.659...0.660 --- Co-authored-by: Ariel Weiss <aaronweiss@roblox.com> Co-authored-by: Hunter Goldstein <hgoldstein@roblox.com> Co-authored-by: Talha Pathan <tpathan@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> --------- Co-authored-by: Hunter Goldstein <hgoldstein@roblox.com> Co-authored-by: Varun Saini <61795485+vrn-sn@users.noreply.github.com> Co-authored-by: Alexander Youngblood <ayoungblood@roblox.com> Co-authored-by: Menarul Alam <malam@roblox.com>
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"LuauTableCloneClonesType3", // requires fixes in lua-apps code, terrifyingly
"LuauSolverV2",
// makes sure we always have at least one entry
nullptr,
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};
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for (const char* item : kList)
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if (item && strcmp(item, flag) == 0)
return true;
return false;
}
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} // namespace Luau