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## What's Changed ### General - Allow types of tables to diverge after using `table.clone` (fixes #1617). - Allow 2-argument vector.create in Luau. - Fix a crash when suggesting autocomplete after encountering parsing errors. - Add lua_tolstringatom C API which returns the string length (whether or not the atom exists) and which extends the existing lua_tostringatom function the same way lua_tolstring/lua_tostring do. - Luau now retains the DFGs of typechecked modules. ### Magic Functions Migration Note We've made a change to the API used to define magic functions. Previously, we had a set of function pointers on each `FunctionType` that would be invoked by the type inference engine at the correct point. The problem we'd run into is that they were all `std::function`s, we'd grown quite a few of them, and Luau allocates tens of thousands of types as it performs type inference. This adds up to a large amount of memory for data that isn't used by 99% of types. To slim things down a bit, we've replaced all of those `std::function`s with a single `shared_ptr` to a new interface called `MagicFunction`. This slims down the memory footprint of each type by about 50 bytes. The virtual methods of `MagicFunction` have roughly 1:1 correspondence with the old interface, so updating things should not be too difficult: * `FunctionType::magicFunction` is now `MagicFunction::handleOldSolver` * `FunctionType::dcrMagicFunction` is now `MagicFunction::infer` * `FunctionType::dcrMagicRefinement` is now `MagicFunction::refine` * `FunctionType::dcrMagicTypeCheck` is now `MagicFunction::typeCheck` **Full Changelog**: https://github.com/luau-lang/luau/compare/0.657...0.658 --- Co-authored-by: Andy Friesen <afriesen@roblox.com> Co-authored-by: Ariel Weiss <aaronweiss@roblox.com> Co-authored-by: Aviral Goel <agoel@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> |
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| .. | ||
| Anyification.h | ||
| AnyTypeSummary.h | ||
| ApplyTypeFunction.h | ||
| AstJsonEncoder.h | ||
| AstQuery.h | ||
| Autocomplete.h | ||
| AutocompleteTypes.h | ||
| BuiltinDefinitions.h | ||
| Cancellation.h | ||
| Clone.h | ||
| Constraint.h | ||
| ConstraintGenerator.h | ||
| ConstraintSolver.h | ||
| ControlFlow.h | ||
| DataFlowGraph.h | ||
| DcrLogger.h | ||
| Def.h | ||
| Differ.h | ||
| Documentation.h | ||
| EqSatSimplification.h | ||
| EqSatSimplificationImpl.h | ||
| Error.h | ||
| FileResolver.h | ||
| FragmentAutocomplete.h | ||
| Frontend.h | ||
| Generalization.h | ||
| GlobalTypes.h | ||
| InsertionOrderedMap.h | ||
| Instantiation.h | ||
| Instantiation2.h | ||
| IostreamHelpers.h | ||
| JsonEmitter.h | ||
| Linter.h | ||
| LValue.h | ||
| Metamethods.h | ||
| Module.h | ||
| ModuleResolver.h | ||
| NonStrictTypeChecker.h | ||
| Normalize.h | ||
| NotNull.h | ||
| OverloadResolution.h | ||
| Predicate.h | ||
| Quantify.h | ||
| RecursionCounter.h | ||
| Refinement.h | ||
| RequireTracer.h | ||
| Scope.h | ||
| Set.h | ||
| Simplify.h | ||
| Substitution.h | ||
| Subtyping.h | ||
| Symbol.h | ||
| TableLiteralInference.h | ||
| ToDot.h | ||
| TopoSortStatements.h | ||
| ToString.h | ||
| Transpiler.h | ||
| TxnLog.h | ||
| Type.h | ||
| TypeArena.h | ||
| TypeAttach.h | ||
| TypeChecker2.h | ||
| TypeCheckLimits.h | ||
| TypedAllocator.h | ||
| TypeFunction.h | ||
| TypeFunctionReductionGuesser.h | ||
| TypeFunctionRuntime.h | ||
| TypeFunctionRuntimeBuilder.h | ||
| TypeFwd.h | ||
| TypeInfer.h | ||
| TypeOrPack.h | ||
| TypePack.h | ||
| TypePairHash.h | ||
| TypePath.h | ||
| TypeUtils.h | ||
| Unifiable.h | ||
| Unifier.h | ||
| Unifier2.h | ||
| UnifierSharedState.h | ||
| VisitType.h | ||