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LibJS: Convert ObjectConstructor to ThrowCompletionOr

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Timothy Flynn 2021-10-29 17:08:28 -04:00 committed by Idan Horowitz
parent 0f224779aa
commit d1abf3d8ce
2 changed files with 119 additions and 133 deletions
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208
Userland/Libraries/LibJS/Runtime/ObjectConstructor.cpp
View file

@ -31,28 +31,28 @@ void ObjectConstructor::initialize(GlobalObject& global_object)
define_direct_property(vm.names.prototype, global_object.object_prototype(), 0);
u8 attr = Attribute::Writable | Attribute::Configurable;
define_old_native_function(vm.names.defineProperty, define_property, 3, attr);
define_old_native_function(vm.names.defineProperties, define_properties, 2, attr);
define_old_native_function(vm.names.is, is, 2, attr);
define_old_native_function(vm.names.getOwnPropertyDescriptor, get_own_property_descriptor, 2, attr);
define_old_native_function(vm.names.getOwnPropertyDescriptors, get_own_property_descriptors, 1, attr);
define_old_native_function(vm.names.getOwnPropertyNames, get_own_property_names, 1, attr);
define_old_native_function(vm.names.getOwnPropertySymbols, get_own_property_symbols, 1, attr);
define_old_native_function(vm.names.getPrototypeOf, get_prototype_of, 1, attr);
define_old_native_function(vm.names.setPrototypeOf, set_prototype_of, 2, attr);
define_old_native_function(vm.names.isExtensible, is_extensible, 1, attr);
define_old_native_function(vm.names.isFrozen, is_frozen, 1, attr);
define_old_native_function(vm.names.isSealed, is_sealed, 1, attr);
define_old_native_function(vm.names.preventExtensions, prevent_extensions, 1, attr);
define_old_native_function(vm.names.freeze, freeze, 1, attr);
define_old_native_function(vm.names.fromEntries, from_entries, 1, attr);
define_old_native_function(vm.names.seal, seal, 1, attr);
define_old_native_function(vm.names.keys, keys, 1, attr);
define_old_native_function(vm.names.values, values, 1, attr);
define_old_native_function(vm.names.entries, entries, 1, attr);
define_old_native_function(vm.names.create, create, 2, attr);
define_old_native_function(vm.names.hasOwn, has_own, 2, attr);
define_old_native_function(vm.names.assign, assign, 2, attr);
define_native_function(vm.names.defineProperty, define_property, 3, attr);
define_native_function(vm.names.defineProperties, define_properties, 2, attr);
define_native_function(vm.names.is, is, 2, attr);
define_native_function(vm.names.getOwnPropertyDescriptor, get_own_property_descriptor, 2, attr);
define_native_function(vm.names.getOwnPropertyDescriptors, get_own_property_descriptors, 1, attr);
define_native_function(vm.names.getOwnPropertyNames, get_own_property_names, 1, attr);
define_native_function(vm.names.getOwnPropertySymbols, get_own_property_symbols, 1, attr);
define_native_function(vm.names.getPrototypeOf, get_prototype_of, 1, attr);
define_native_function(vm.names.setPrototypeOf, set_prototype_of, 2, attr);
define_native_function(vm.names.isExtensible, is_extensible, 1, attr);
define_native_function(vm.names.isFrozen, is_frozen, 1, attr);
define_native_function(vm.names.isSealed, is_sealed, 1, attr);
define_native_function(vm.names.preventExtensions, prevent_extensions, 1, attr);
define_native_function(vm.names.freeze, freeze, 1, attr);
define_native_function(vm.names.fromEntries, from_entries, 1, attr);
define_native_function(vm.names.seal, seal, 1, attr);
define_native_function(vm.names.keys, keys, 1, attr);
define_native_function(vm.names.values, values, 1, attr);
define_native_function(vm.names.entries, entries, 1, attr);
define_native_function(vm.names.create, create, 2, attr);
define_native_function(vm.names.hasOwn, has_own, 2, attr);
define_native_function(vm.names.assign, assign, 2, attr);
define_direct_property(vm.names.length, Value(1), Attribute::Configurable);
}
@ -114,55 +114,52 @@ static ThrowCompletionOr<Array*> get_own_property_keys(GlobalObject& global_obje
}
// 20.1.2.10 Object.getOwnPropertyNames ( O ), https://tc39.es/ecma262/#sec-object.getownpropertynames
JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::get_own_property_names)
JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::get_own_property_names)
{
// 1. Return ? GetOwnPropertyKeys(O, string).
return TRY_OR_DISCARD(get_own_property_keys(global_object, vm.argument(0), GetOwnPropertyKeysType::String));
return TRY(get_own_property_keys(global_object, vm.argument(0), GetOwnPropertyKeysType::String));
}
// 20.1.2.11 Object.getOwnPropertySymbols ( O ), https://tc39.es/ecma262/#sec-object.getownpropertysymbols
JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::get_own_property_symbols)
JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::get_own_property_symbols)
{
// 1. Return ? GetOwnPropertyKeys(O, symbol).
return TRY_OR_DISCARD(get_own_property_keys(global_object, vm.argument(0), GetOwnPropertyKeysType::Symbol));
return TRY(get_own_property_keys(global_object, vm.argument(0), GetOwnPropertyKeysType::Symbol));
}
// 20.1.2.12 Object.getPrototypeOf ( O ), https://tc39.es/ecma262/#sec-object.getprototypeof
JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::get_prototype_of)
JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::get_prototype_of)
{
// 1. Let obj be ? ToObject(O).
auto* object = TRY_OR_DISCARD(vm.argument(0).to_object(global_object));
auto* object = TRY(vm.argument(0).to_object(global_object));
// 2. Return ? obj.[[GetPrototypeOf]]().
return TRY_OR_DISCARD(object->internal_get_prototype_of());
return TRY(object->internal_get_prototype_of());
}
// 20.1.2.22 Object.setPrototypeOf ( O, proto ), https://tc39.es/ecma262/#sec-object.setprototypeof
JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::set_prototype_of)
JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::set_prototype_of)
{
auto proto = vm.argument(1);
// 1. Set O to ? RequireObjectCoercible(O).
auto object = TRY_OR_DISCARD(require_object_coercible(global_object, vm.argument(0)));
auto object = TRY(require_object_coercible(global_object, vm.argument(0)));
// 2. If Type(proto) is neither Object nor Null, throw a TypeError exception.
if (!proto.is_object() && !proto.is_null()) {
vm.throw_exception<TypeError>(global_object, ErrorType::ObjectPrototypeWrongType);
return {};
}
if (!proto.is_object() && !proto.is_null())
return vm.throw_completion<TypeError>(global_object, ErrorType::ObjectPrototypeWrongType);
// 3. If Type(O) is not Object, return O.
if (!object.is_object())
return object;
// 4. Let status be ? O.[[SetPrototypeOf]](proto).
auto status = TRY_OR_DISCARD(object.as_object().internal_set_prototype_of(proto.is_null() ? nullptr : &proto.as_object()));
auto status = TRY(object.as_object().internal_set_prototype_of(proto.is_null() ? nullptr : &proto.as_object()));
// 5. If status is false, throw a TypeError exception.
if (!status) {
// FIXME: Improve/contextualize error message
vm.throw_exception<TypeError>(global_object, ErrorType::ObjectSetPrototypeOfReturnedFalse);
return {};
return vm.throw_completion<TypeError>(global_object, ErrorType::ObjectSetPrototypeOfReturnedFalse);
}
// 6. Return O.
@ -170,69 +167,66 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::set_prototype_of)
}
// 20.1.2.15 Object.isExtensible ( O ), https://tc39.es/ecma262/#sec-object.isextensible
JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::is_extensible)
JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::is_extensible)
{
auto argument = vm.argument(0);
if (!argument.is_object())
return Value(false);
return Value(TRY_OR_DISCARD(argument.as_object().is_extensible()));
return Value(TRY(argument.as_object().is_extensible()));
}
// 20.1.2.16 Object.isFrozen ( O ), https://tc39.es/ecma262/#sec-object.isfrozen
JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::is_frozen)
JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::is_frozen)
{
auto argument = vm.argument(0);
if (!argument.is_object())
return Value(true);
return Value(TRY_OR_DISCARD(argument.as_object().test_integrity_level(Object::IntegrityLevel::Frozen)));
return Value(TRY(argument.as_object().test_integrity_level(Object::IntegrityLevel::Frozen)));
}
// 20.1.2.17 Object.isSealed ( O ), https://tc39.es/ecma262/#sec-object.issealed
JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::is_sealed)
JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::is_sealed)
{
auto argument = vm.argument(0);
if (!argument.is_object())
return Value(true);
return Value(TRY_OR_DISCARD(argument.as_object().test_integrity_level(Object::IntegrityLevel::Sealed)));
return Value(TRY(argument.as_object().test_integrity_level(Object::IntegrityLevel::Sealed)));
}
// 20.1.2.19 Object.preventExtensions ( O ), https://tc39.es/ecma262/#sec-object.preventextensions
JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::prevent_extensions)
JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::prevent_extensions)
{
auto argument = vm.argument(0);
if (!argument.is_object())
return argument;
auto status = TRY_OR_DISCARD(argument.as_object().internal_prevent_extensions());
auto status = TRY(argument.as_object().internal_prevent_extensions());
if (!status) {
// FIXME: Improve/contextualize error message
vm.throw_exception<TypeError>(global_object, ErrorType::ObjectPreventExtensionsReturnedFalse);
return {};
return vm.throw_completion<TypeError>(global_object, ErrorType::ObjectPreventExtensionsReturnedFalse);
}
return argument;
}
// 20.1.2.6 Object.freeze ( O ), https://tc39.es/ecma262/#sec-object.freeze
JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::freeze)
JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::freeze)
{
auto argument = vm.argument(0);
if (!argument.is_object())
return argument;
auto status = TRY_OR_DISCARD(argument.as_object().set_integrity_level(Object::IntegrityLevel::Frozen));
if (!status) {
vm.throw_exception<TypeError>(global_object, ErrorType::ObjectFreezeFailed);
return {};
}
auto status = TRY(argument.as_object().set_integrity_level(Object::IntegrityLevel::Frozen));
if (!status)
return vm.throw_completion<TypeError>(global_object, ErrorType::ObjectFreezeFailed);
return argument;
}
// 20.1.2.7 Object.fromEntries ( iterable ), https://tc39.es/ecma262/#sec-object.fromentries
JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::from_entries)
JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::from_entries)
{
auto iterable = TRY_OR_DISCARD(require_object_coercible(global_object, vm.argument(0)));
auto iterable = TRY(require_object_coercible(global_object, vm.argument(0)));
auto* object = Object::create(global_object, global_object.object_prototype());
TRY_OR_DISCARD(get_iterator_values(global_object, iterable, [&](Value iterator_value) -> Optional<Completion> {
TRY(get_iterator_values(global_object, iterable, [&](Value iterator_value) -> Optional<Completion> {
if (!iterator_value.is_object())
return vm.throw_completion<TypeError>(global_object, ErrorType::NotAnObject, String::formatted("Iterator value {}", iterator_value.to_string_without_side_effects()));
@ -249,36 +243,34 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::from_entries)
}
// 20.1.2.21 Object.seal ( O ), https://tc39.es/ecma262/#sec-object.seal
JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::seal)
JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::seal)
{
auto argument = vm.argument(0);
if (!argument.is_object())
return argument;
auto status = TRY_OR_DISCARD(argument.as_object().set_integrity_level(Object::IntegrityLevel::Sealed));
if (!status) {
vm.throw_exception<TypeError>(global_object, ErrorType::ObjectSealFailed);
return {};
}
auto status = TRY(argument.as_object().set_integrity_level(Object::IntegrityLevel::Sealed));
if (!status)
return vm.throw_completion<TypeError>(global_object, ErrorType::ObjectSealFailed);
return argument;
}
// 20.1.2.8 Object.getOwnPropertyDescriptor ( O, P ), https://tc39.es/ecma262/#sec-object.getownpropertydescriptor
JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::get_own_property_descriptor)
JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::get_own_property_descriptor)
{
auto* object = TRY_OR_DISCARD(vm.argument(0).to_object(global_object));
auto key = TRY_OR_DISCARD(vm.argument(1).to_property_key(global_object));
auto descriptor = TRY_OR_DISCARD(object->internal_get_own_property(key));
auto* object = TRY(vm.argument(0).to_object(global_object));
auto key = TRY(vm.argument(1).to_property_key(global_object));
auto descriptor = TRY(object->internal_get_own_property(key));
return from_property_descriptor(global_object, descriptor);
}
// 20.1.2.9 Object.getOwnPropertyDescriptors ( O ), https://tc39.es/ecma262/#sec-object.getownpropertydescriptors
JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::get_own_property_descriptors)
JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::get_own_property_descriptors)
{
// 1. Let obj be ? ToObject(O).
auto* object = TRY_OR_DISCARD(vm.argument(0).to_object(global_object));
auto* object = TRY(vm.argument(0).to_object(global_object));
// 2. Let ownKeys be ? obj.[[OwnPropertyKeys]]().
auto own_keys = TRY_OR_DISCARD(object->internal_own_property_keys());
auto own_keys = TRY(object->internal_own_property_keys());
// 3. Let descriptors be ! OrdinaryObjectCreate(%Object.prototype%).
auto* descriptors = Object::create(global_object, global_object.object_prototype());
@ -288,7 +280,7 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::get_own_property_descriptors)
auto property_name = PropertyKey::from_value(global_object, key);
// a. Let desc be ? obj.[[GetOwnProperty]](key).
auto desc = TRY_OR_DISCARD(object->internal_get_own_property(property_name));
auto desc = TRY(object->internal_get_own_property(property_name));
// b. Let descriptor be ! FromPropertyDescriptor(desc).
auto descriptor = from_property_descriptor(global_object, desc);
@ -303,75 +295,69 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::get_own_property_descriptors)
}
// 20.1.2.4 Object.defineProperty ( O, P, Attributes ), https://tc39.es/ecma262/#sec-object.defineproperty
JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::define_property)
JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::define_property)
{
if (!vm.argument(0).is_object()) {
vm.throw_exception<TypeError>(global_object, ErrorType::NotAnObject, vm.argument(0).to_string_without_side_effects());
return {};
}
auto key = TRY_OR_DISCARD(vm.argument(1).to_property_key(global_object));
auto descriptor = TRY_OR_DISCARD(to_property_descriptor(global_object, vm.argument(2)));
TRY_OR_DISCARD(vm.argument(0).as_object().define_property_or_throw(key, descriptor));
if (!vm.argument(0).is_object())
return vm.throw_completion<TypeError>(global_object, ErrorType::NotAnObject, vm.argument(0).to_string_without_side_effects());
auto key = TRY(vm.argument(1).to_property_key(global_object));
auto descriptor = TRY(to_property_descriptor(global_object, vm.argument(2)));
TRY(vm.argument(0).as_object().define_property_or_throw(key, descriptor));
return vm.argument(0);
}
// 20.1.2.3 Object.defineProperties ( O, Properties ), https://tc39.es/ecma262/#sec-object.defineproperties
JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::define_properties)
JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::define_properties)
{
auto object = vm.argument(0);
auto properties = vm.argument(1);
// 1. If Type(O) is not Object, throw a TypeError exception.
if (!object.is_object()) {
vm.throw_exception<TypeError>(global_object, ErrorType::NotAnObject, "Object argument");
return {};
}
if (!object.is_object())
return vm.throw_completion<TypeError>(global_object, ErrorType::NotAnObject, "Object argument");
// 2. Return ? ObjectDefineProperties(O, Properties).
return TRY_OR_DISCARD(object.as_object().define_properties(properties));
return TRY(object.as_object().define_properties(properties));
}
// 20.1.2.14 Object.is ( value1, value2 ), https://tc39.es/ecma262/#sec-object.is
JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::is)
JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::is)
{
return Value(same_value(vm.argument(0), vm.argument(1)));
}
// 20.1.2.18 Object.keys ( O ), https://tc39.es/ecma262/#sec-object.keys
JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::keys)
JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::keys)
{
auto* object = TRY_OR_DISCARD(vm.argument(0).to_object(global_object));
auto name_list = TRY_OR_DISCARD(object->enumerable_own_property_names(PropertyKind::Key));
auto* object = TRY(vm.argument(0).to_object(global_object));
auto name_list = TRY(object->enumerable_own_property_names(PropertyKind::Key));
return Array::create_from(global_object, name_list);
}
// 20.1.2.23 Object.values ( O ), https://tc39.es/ecma262/#sec-object.values
JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::values)
JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::values)
{
auto* object = TRY_OR_DISCARD(vm.argument(0).to_object(global_object));
auto name_list = TRY_OR_DISCARD(object->enumerable_own_property_names(PropertyKind::Value));
auto* object = TRY(vm.argument(0).to_object(global_object));
auto name_list = TRY(object->enumerable_own_property_names(PropertyKind::Value));
return Array::create_from(global_object, name_list);
}
// 20.1.2.5 Object.entries ( O ), https://tc39.es/ecma262/#sec-object.entries
JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::entries)
JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::entries)
{
auto* object = TRY_OR_DISCARD(vm.argument(0).to_object(global_object));
auto name_list = TRY_OR_DISCARD(object->enumerable_own_property_names(PropertyKind::KeyAndValue));
auto* object = TRY(vm.argument(0).to_object(global_object));
auto name_list = TRY(object->enumerable_own_property_names(PropertyKind::KeyAndValue));
return Array::create_from(global_object, name_list);
}
// 20.1.2.2 Object.create ( O, Properties ), https://tc39.es/ecma262/#sec-object.create
JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::create)
JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::create)
{
auto proto = vm.argument(0);
auto properties = vm.argument(1);
// 1. If Type(O) is neither Object nor Null, throw a TypeError exception.
if (!proto.is_object() && !proto.is_null()) {
vm.throw_exception<TypeError>(global_object, ErrorType::ObjectPrototypeWrongType);
return {};
}
if (!proto.is_object() && !proto.is_null())
return vm.throw_completion<TypeError>(global_object, ErrorType::ObjectPrototypeWrongType);
// 2. Let obj be ! OrdinaryObjectCreate(O).
auto* object = Object::create(global_object, proto.is_null() ? nullptr : &proto.as_object());
@ -379,7 +365,7 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::create)
// 3. If Properties is not undefined, then
if (!properties.is_undefined()) {
// a. Return ? ObjectDefineProperties(obj, Properties).
return TRY_OR_DISCARD(object->define_properties(properties));
return TRY(object->define_properties(properties));
}
// 4. Return obj.
@ -387,23 +373,23 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::create)
}
// 20.1.2.13 Object.hasOwn ( O, P ), https://tc39.es/ecma262/#sec-object.hasown
JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::has_own)
JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::has_own)
{
// 1. Let obj be ? ToObject(O).
auto* object = TRY_OR_DISCARD(vm.argument(0).to_object(global_object));
auto* object = TRY(vm.argument(0).to_object(global_object));
// 2. Let key be ? ToPropertyKey(P).
auto key = TRY_OR_DISCARD(vm.argument(1).to_property_key(global_object));
auto key = TRY(vm.argument(1).to_property_key(global_object));
// 3. Return ? HasOwnProperty(obj, key).
return Value(TRY_OR_DISCARD(object->has_own_property(key)));
return Value(TRY(object->has_own_property(key)));
}
// 20.1.2.1 Object.assign ( target, ...sources ), https://tc39.es/ecma262/#sec-object.assign
JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::assign)
JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::assign)
{
// 1. Let to be ? ToObject(target).
auto* to = TRY_OR_DISCARD(vm.argument(0).to_object(global_object));
auto* to = TRY(vm.argument(0).to_object(global_object));
// 2. If only one argument was passed, return to.
if (vm.argument_count() == 1)
@ -421,24 +407,24 @@ JS_DEFINE_OLD_NATIVE_FUNCTION(ObjectConstructor::assign)
auto* from = MUST(next_source.to_object(global_object));
// ii. Let keys be ? from.[[OwnPropertyKeys]]().
auto keys = TRY_OR_DISCARD(from->internal_own_property_keys());
auto keys = TRY(from->internal_own_property_keys());
// iii. For each element nextKey of keys, do
for (auto& next_key : keys) {
auto property_name = PropertyKey::from_value(global_object, next_key);
// 1. Let desc be ? from.[[GetOwnProperty]](nextKey).
auto desc = TRY_OR_DISCARD(from->internal_get_own_property(property_name));
auto desc = TRY(from->internal_get_own_property(property_name));
// 2. If desc is not undefined and desc.[[Enumerable]] is true, then
if (!desc.has_value() || !*desc->enumerable)
continue;
// a. Let propValue be ? Get(from, nextKey).
auto prop_value = TRY_OR_DISCARD(from->get(property_name));
auto prop_value = TRY(from->get(property_name));
// b. Perform ? Set(to, nextKey, propValue, true).
TRY_OR_DISCARD(to->set(property_name, prop_value, Object::ShouldThrowExceptions::Yes));
TRY(to->set(property_name, prop_value, Object::ShouldThrowExceptions::Yes));
}
}

44
Userland/Libraries/LibJS/Runtime/ObjectConstructor.h
View file

@ -25,28 +25,28 @@ public:
private:
virtual bool has_constructor() const override { return true; }
JS_DECLARE_OLD_NATIVE_FUNCTION(define_property);
JS_DECLARE_OLD_NATIVE_FUNCTION(define_properties);
JS_DECLARE_OLD_NATIVE_FUNCTION(is);
JS_DECLARE_OLD_NATIVE_FUNCTION(get_own_property_descriptor);
JS_DECLARE_OLD_NATIVE_FUNCTION(get_own_property_descriptors);
JS_DECLARE_OLD_NATIVE_FUNCTION(get_own_property_names);
JS_DECLARE_OLD_NATIVE_FUNCTION(get_own_property_symbols);
JS_DECLARE_OLD_NATIVE_FUNCTION(get_prototype_of);
JS_DECLARE_OLD_NATIVE_FUNCTION(set_prototype_of);
JS_DECLARE_OLD_NATIVE_FUNCTION(is_extensible);
JS_DECLARE_OLD_NATIVE_FUNCTION(is_frozen);
JS_DECLARE_OLD_NATIVE_FUNCTION(is_sealed);
JS_DECLARE_OLD_NATIVE_FUNCTION(prevent_extensions);
JS_DECLARE_OLD_NATIVE_FUNCTION(seal);
JS_DECLARE_OLD_NATIVE_FUNCTION(freeze);
JS_DECLARE_OLD_NATIVE_FUNCTION(from_entries);
JS_DECLARE_OLD_NATIVE_FUNCTION(keys);
JS_DECLARE_OLD_NATIVE_FUNCTION(values);
JS_DECLARE_OLD_NATIVE_FUNCTION(entries);
JS_DECLARE_OLD_NATIVE_FUNCTION(create);
JS_DECLARE_OLD_NATIVE_FUNCTION(has_own);
JS_DECLARE_OLD_NATIVE_FUNCTION(assign);
JS_DECLARE_NATIVE_FUNCTION(define_property);
JS_DECLARE_NATIVE_FUNCTION(define_properties);
JS_DECLARE_NATIVE_FUNCTION(is);
JS_DECLARE_NATIVE_FUNCTION(get_own_property_descriptor);
JS_DECLARE_NATIVE_FUNCTION(get_own_property_descriptors);
JS_DECLARE_NATIVE_FUNCTION(get_own_property_names);
JS_DECLARE_NATIVE_FUNCTION(get_own_property_symbols);
JS_DECLARE_NATIVE_FUNCTION(get_prototype_of);
JS_DECLARE_NATIVE_FUNCTION(set_prototype_of);
JS_DECLARE_NATIVE_FUNCTION(is_extensible);
JS_DECLARE_NATIVE_FUNCTION(is_frozen);
JS_DECLARE_NATIVE_FUNCTION(is_sealed);
JS_DECLARE_NATIVE_FUNCTION(prevent_extensions);
JS_DECLARE_NATIVE_FUNCTION(seal);
JS_DECLARE_NATIVE_FUNCTION(freeze);
JS_DECLARE_NATIVE_FUNCTION(from_entries);
JS_DECLARE_NATIVE_FUNCTION(keys);
JS_DECLARE_NATIVE_FUNCTION(values);
JS_DECLARE_NATIVE_FUNCTION(entries);
JS_DECLARE_NATIVE_FUNCTION(create);
JS_DECLARE_NATIVE_FUNCTION(has_own);
JS_DECLARE_NATIVE_FUNCTION(assign);
};
}