// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details #include #include "Luau/BuiltinDefinitions.h" #include "Luau/Common.h" #include "Luau/Frontend.h" #include "Luau/Linter.h" #include "Luau/ModuleResolver.h" #include "Luau/Parser.h" extern "C" int LLVMFuzzerTestOneInput(const uint8_t* Data, size_t Size) { Luau::ParseOptions options; Luau::Allocator allocator; Luau::AstNameTable names(allocator); Luau::ParseResult parseResult = Luau::Parser::parse(reinterpret_cast(Data), Size, names, allocator, options); // "static" here is to accelerate fuzzing process by only creating and populating the type environment once static Luau::NullFileResolver fileResolver; static Luau::NullConfigResolver configResolver; static Luau::Frontend frontend{&fileResolver, &configResolver}; static int once = (Luau::registerBuiltinGlobals(frontend, frontend.globals, false), 1); (void)once; static int once2 = (Luau::freeze(frontend.globals.globalTypes), 1); (void)once2; if (parseResult.errors.empty()) { Luau::TypeChecker typeck(frontend.globals.globalScope, &frontend.moduleResolver, frontend.builtinTypes, &frontend.iceHandler); Luau::LintOptions lintOptions; lintOptions.warningMask = ~0ull; Luau::lint(parseResult.root, names, typeck.globalScope, nullptr, {}, lintOptions); } return 0; }