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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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| .. | ||
| conformance | ||
| require | ||
| AnyTypeSummary.test.cpp | ||
| AssemblyBuilderA64.test.cpp | ||
| AssemblyBuilderX64.test.cpp | ||
| AstJsonEncoder.test.cpp | ||
| AstQuery.test.cpp | ||
| AstQueryDsl.cpp | ||
| AstQueryDsl.h | ||
| AstVisitor.test.cpp | ||
| Autocomplete.test.cpp | ||
| BuiltinDefinitions.test.cpp | ||
| ClassFixture.cpp | ||
| ClassFixture.h | ||
| CodeAllocator.test.cpp | ||
| Compiler.test.cpp | ||
| Config.test.cpp | ||
| Conformance.test.cpp | ||
| ConformanceIrHooks.h | ||
| ConstraintGeneratorFixture.cpp | ||
| ConstraintGeneratorFixture.h | ||
| ConstraintSolver.test.cpp | ||
| CostModel.test.cpp | ||
| DataFlowGraph.test.cpp | ||
| DenseHash.test.cpp | ||
| DiffAsserts.cpp | ||
| DiffAsserts.h | ||
| Differ.test.cpp | ||
| EqSat.language.test.cpp | ||
| EqSat.propositional.test.cpp | ||
| EqSat.slice.test.cpp | ||
| EqSatSimplification.test.cpp | ||
| Error.test.cpp | ||
| Fixture.cpp | ||
| Fixture.h | ||
| FragmentAutocomplete.test.cpp | ||
| Frontend.test.cpp | ||
| Generalization.test.cpp | ||
| InsertionOrderedMap.test.cpp | ||
| Instantiation2.test.cpp | ||
| IostreamOptional.h | ||
| IrBuilder.test.cpp | ||
| IrCallWrapperX64.test.cpp | ||
| IrLowering.test.cpp | ||
| IrRegAllocX64.test.cpp | ||
| JsonEmitter.test.cpp | ||
| Lexer.test.cpp | ||
| Linter.test.cpp | ||
| LValue.test.cpp | ||
| main.cpp | ||
| Module.test.cpp | ||
| NonstrictMode.test.cpp | ||
| NonStrictTypeChecker.test.cpp | ||
| Normalize.test.cpp | ||
| NotNull.test.cpp | ||
| Parser.test.cpp | ||
| RegisterCallbacks.cpp | ||
| RegisterCallbacks.h | ||
| Repl.test.cpp | ||
| RequireByString.test.cpp | ||
| RequireTracer.test.cpp | ||
| RuntimeLimits.test.cpp | ||
| ScopedFlags.h | ||
| Set.test.cpp | ||
| SharedCodeAllocator.test.cpp | ||
| Simplify.test.cpp | ||
| StringUtils.test.cpp | ||
| Subtyping.test.cpp | ||
| Symbol.test.cpp | ||
| ToDot.test.cpp | ||
| TopoSort.test.cpp | ||
| ToString.test.cpp | ||
| Transpiler.test.cpp | ||
| TxnLog.test.cpp | ||
| TypeFunction.test.cpp | ||
| TypeFunction.user.test.cpp | ||
| TypeInfer.aliases.test.cpp | ||
| TypeInfer.annotations.test.cpp | ||
| TypeInfer.anyerror.test.cpp | ||
| TypeInfer.builtins.test.cpp | ||
| TypeInfer.cfa.test.cpp | ||
| TypeInfer.classes.test.cpp | ||
| TypeInfer.definitions.test.cpp | ||
| TypeInfer.functions.test.cpp | ||
| TypeInfer.generics.test.cpp | ||
| TypeInfer.intersectionTypes.test.cpp | ||
| TypeInfer.loops.test.cpp | ||
| TypeInfer.modules.test.cpp | ||
| TypeInfer.negations.test.cpp | ||
| TypeInfer.oop.test.cpp | ||
| TypeInfer.operators.test.cpp | ||
| TypeInfer.primitives.test.cpp | ||
| TypeInfer.provisional.test.cpp | ||
| TypeInfer.refinements.test.cpp | ||
| TypeInfer.singletons.test.cpp | ||
| TypeInfer.tables.test.cpp | ||
| TypeInfer.test.cpp | ||
| TypeInfer.tryUnify.test.cpp | ||
| TypeInfer.typePacks.test.cpp | ||
| TypeInfer.typestates.test.cpp | ||
| TypeInfer.unionTypes.test.cpp | ||
| TypeInfer.unknownnever.test.cpp | ||
| TypePack.test.cpp | ||
| TypePath.test.cpp | ||
| TypeVar.test.cpp | ||
| Unifier2.test.cpp | ||
| Variant.test.cpp | ||
| VecDeque.test.cpp | ||
| VisitType.test.cpp | ||