/* * Copyright (c) 2022, David Tuin * * SPDX-License-Identifier: BSD-2-Clause */ #include #include #include #include #include #include #include namespace JS { JS_DEFINE_ALLOCATOR(SuppressedErrorConstructor); SuppressedErrorConstructor::SuppressedErrorConstructor(Realm& realm) : NativeFunction(static_cast(realm.intrinsics().error_constructor())) { } void SuppressedErrorConstructor::initialize(Realm& realm) { auto& vm = this->vm(); Base::initialize(realm); // 10.1.4.2.1 SuppressedError.prototype, https://tc39.es/proposal-explicit-resource-management/#sec-suppressederror.prototype define_direct_property(vm.names.prototype, realm.intrinsics().suppressed_error_prototype(), 0); define_direct_property(vm.names.length, Value(3), Attribute::Configurable); } // 10.1.4.1.1 SuppressedError ( error, suppressed, message [ , options ] ), https://tc39.es/proposal-explicit-resource-management/#sec-suppressederror ThrowCompletionOr SuppressedErrorConstructor::call() { // 1. If NewTarget is undefined, let newTarget be the active function object; else let newTarget be NewTarget. return TRY(construct(*this)); } // 10.1.4.1.1 SuppressedError ( error, suppressed, message [ , options ] ), https://tc39.es/proposal-explicit-resource-management/#sec-suppressederror ThrowCompletionOr> SuppressedErrorConstructor::construct(FunctionObject& new_target) { auto& vm = this->vm(); auto error = vm.argument(0); auto suppressed = vm.argument(1); auto message = vm.argument(2); auto options = vm.argument(3); // 2. Let O be ? OrdinaryCreateFromConstructor(newTarget, "%SuppressedError.prototype%", « [[ErrorData]] »). auto suppressed_error = TRY(ordinary_create_from_constructor(vm, new_target, &Intrinsics::suppressed_error_prototype)); // 3. If message is not undefined, then if (!message.is_undefined()) { // a. Let msg be ? ToString(message). auto msg = TRY(message.to_string(vm)); // b. Perform CreateNonEnumerableDataPropertyOrThrow(O, "message", msg). suppressed_error->create_non_enumerable_data_property_or_throw(vm.names.message, PrimitiveString::create(vm, move(msg))); } // 4. Perform ? InstallErrorCause(O, options). TRY(suppressed_error->install_error_cause(options)); // 5. Perform ! DefinePropertyOrThrow(O, "error", PropertyDescriptor { [[Configurable]]: true, [[Enumerable]]: false, [[Writable]]: true, [[Value]]: error }). MUST(suppressed_error->define_property_or_throw(vm.names.error, { .value = error, .writable = true, .enumerable = false, .configurable = true })); // 6. Perform ! DefinePropertyOrThrow(O, "suppressed", PropertyDescriptor { [[Configurable]]: true, [[Enumerable]]: false, [[Writable]]: true, [[Value]]: suppressed }). MUST(suppressed_error->define_property_or_throw(vm.names.suppressed, { .value = suppressed, .writable = true, .enumerable = false, .configurable = true })); // 7. Return O. return suppressed_error; } }