// This file is part of the Luau programming language and is licensed under MIT License; see LICENSE.txt for details #include <string> #include "Luau/TypeInfer.h" #include "Luau/Linter.h" #include "Luau/BuiltinDefinitions.h" #include "Luau/ModuleResolver.h" #include "Luau/Common.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<const char*>(Data), Size, names, allocator, options); // "static" here is to accelerate fuzzing process by only creating and populating the type environment once static Luau::NullModuleResolver moduleResolver; static Luau::InternalErrorReporter iceHandler; static Luau::TypeChecker sharedEnv(&moduleResolver, &iceHandler); static int once = (Luau::registerBuiltinTypes(sharedEnv), 1); (void)once; static int once2 = (Luau::freeze(sharedEnv.globalTypes), 1); (void)once2; if (parseResult.errors.empty()) { Luau::TypeChecker typeck(&moduleResolver, &iceHandler); typeck.globalScope = sharedEnv.globalScope; Luau::LintOptions lintOptions; lintOptions.warningMask = ~0ull; Luau::lint(parseResult.root, names, typeck.globalScope, nullptr, lintOptions); } return 0; }