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a36a3c41cc
### 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 (see: https://egraphs-good.github.io/). * Adds support for exporting / local user type functions (previously they were always exported). * Fixes a set of bugs in which the new solver will fail to complete inference for simple expressions with just literals and operators. ### General Updates * Requiring a path with a ".lua" or ".luau" extension will now have a bespoke error suggesting to remove said extension. * Fixes a bug in which whether two `Luau::Symbol`s are equal depends on whether the new solver is enabled. --- Internal Contributors: Co-authored-by: Aaron Weiss <aaronweiss@roblox.com> Co-authored-by: Andy Friesen <afriesen@roblox.com> Co-authored-by: David Cope <dcope@roblox.com> Co-authored-by: Hunter Goldstein <hgoldstein@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>
48 lines
1.5 KiB
C++
48 lines
1.5 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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#include "Luau/Autocomplete.h"
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#include "Luau/AstQuery.h"
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#include "Luau/TypeArena.h"
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#include "Luau/Module.h"
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#include "Luau/Frontend.h"
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#include "AutocompleteCore.h"
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LUAU_FASTFLAG(LuauSolverV2)
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namespace Luau
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{
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AutocompleteResult autocomplete(Frontend& frontend, const ModuleName& moduleName, Position position, StringCompletionCallback callback)
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{
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const SourceModule* sourceModule = frontend.getSourceModule(moduleName);
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if (!sourceModule)
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return {};
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ModulePtr module;
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if (FFlag::LuauSolverV2)
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module = frontend.moduleResolver.getModule(moduleName);
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else
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module = frontend.moduleResolverForAutocomplete.getModule(moduleName);
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if (!module)
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return {};
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NotNull<BuiltinTypes> builtinTypes = frontend.builtinTypes;
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Scope* globalScope;
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if (FFlag::LuauSolverV2)
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globalScope = frontend.globals.globalScope.get();
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else
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globalScope = frontend.globalsForAutocomplete.globalScope.get();
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TypeArena typeArena;
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if (isWithinComment(*sourceModule, position))
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return {};
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std::vector<AstNode*> ancestry = findAncestryAtPositionForAutocomplete(*sourceModule, position);
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LUAU_ASSERT(!ancestry.empty());
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ScopePtr startScope = findScopeAtPosition(*module, position);
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return autocomplete_(module, builtinTypes, &typeArena, ancestry, globalScope, startScope, position, frontend.fileResolver, callback);
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}
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} // namespace Luau
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