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LibJS: Remove implicit wrapping/unwrapping of completion records

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This is an editorial change in the ECMA-262 spec, with similar changes
in some proposals.

See:
- 7575f74
- df899eb
- 9eb5a12
- c81f527
This commit is contained in:
Linus Groh 2022-05-02 20:54:39 +02:00
parent 15f32379bb
commit 9f3f3b0864
88 changed files with 792 additions and 735 deletions
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22
Userland/Libraries/LibJS/Runtime/ObjectConstructor.cpp
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@ -1,6 +1,6 @@
/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2020-2021, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2020-2022, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -83,7 +83,7 @@ enum class GetOwnPropertyKeysType {
};
// 20.1.2.11.1 GetOwnPropertyKeys ( O, type ), https://tc39.es/ecma262/#sec-getownpropertykeys
static ThrowCompletionOr<Array*> get_own_property_keys(GlobalObject& global_object, Value value, GetOwnPropertyKeysType type)
static ThrowCompletionOr<MarkedVector<Value>> get_own_property_keys(GlobalObject& global_object, Value value, GetOwnPropertyKeysType type)
{
auto& vm = global_object.vm();
@ -105,22 +105,22 @@ static ThrowCompletionOr<Array*> get_own_property_keys(GlobalObject& global_obje
}
}
// 5. Return CreateArrayFromList(nameList).
return Array::create_from(global_object, name_list);
// 5. Return nameList.
return { move(name_list) };
}
// 20.1.2.10 Object.getOwnPropertyNames ( O ), https://tc39.es/ecma262/#sec-object.getownpropertynames
JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::get_own_property_names)
{
// 1. Return ? GetOwnPropertyKeys(O, string).
return TRY(get_own_property_keys(global_object, vm.argument(0), GetOwnPropertyKeysType::String));
// 1. Return CreateArrayFromList(? GetOwnPropertyKeys(O, string)).
return Array::create_from(global_object, 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_NATIVE_FUNCTION(ObjectConstructor::get_own_property_symbols)
{
// 1. Return ? GetOwnPropertyKeys(O, symbol).
return TRY(get_own_property_keys(global_object, vm.argument(0), GetOwnPropertyKeysType::Symbol));
// 1. Return CreateArrayFromList(? GetOwnPropertyKeys(O, symbol)).
return Array::create_from(global_object, 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
@ -268,7 +268,7 @@ JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::get_own_property_descriptors)
// 2. Let ownKeys be ? obj.[[OwnPropertyKeys]]().
auto own_keys = TRY(object->internal_own_property_keys());
// 3. Let descriptors be ! OrdinaryObjectCreate(%Object.prototype%).
// 3. Let descriptors be OrdinaryObjectCreate(%Object.prototype%).
auto* descriptors = Object::create(global_object, global_object.object_prototype());
// 4. For each element key of ownKeys, do
@ -278,7 +278,7 @@ JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::get_own_property_descriptors)
// a. Let desc be ? obj.[[GetOwnProperty]](key).
auto desc = TRY(object->internal_get_own_property(property_key));
// b. Let descriptor be ! FromPropertyDescriptor(desc).
// b. Let descriptor be FromPropertyDescriptor(desc).
auto descriptor = from_property_descriptor(global_object, desc);
// c. If descriptor is not undefined, perform ! CreateDataPropertyOrThrow(descriptors, key, descriptor).
@ -355,7 +355,7 @@ JS_DEFINE_NATIVE_FUNCTION(ObjectConstructor::create)
if (!proto.is_object() && !proto.is_null())
return vm.throw_completion<TypeError>(global_object, ErrorType::ObjectPrototypeWrongType);
// 2. Let obj be ! OrdinaryObjectCreate(O).
// 2. Let obj be OrdinaryObjectCreate(O).
auto* object = Object::create(global_object, proto.is_null() ? nullptr : &proto.as_object());
// 3. If Properties is not undefined, then