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LibJS: Convert internal_get_prototype_of() to ThrowCompletionOr

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This commit is contained in:
Linus Groh 2021-09-28 23:30:17 +01:00
parent c8bf7f9c41
commit 5148150e1c
14 changed files with 48 additions and 70 deletions
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20
Userland/Libraries/LibJS/Runtime/Object.cpp
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@ -489,7 +489,7 @@ MarkedValueList Object::enumerable_own_property_names(PropertyKind kind) const
// 10.1 Ordinary Object Internal Methods and Internal Slots, https://tc39.es/ecma262/#sec-ordinary-object-internal-methods-and-internal-slots
// 10.1.1 [[GetPrototypeOf]] ( ), https://tc39.es/ecma262/#sec-ordinary-object-internal-methods-and-internal-slots-getprototypeof
Object* Object::internal_get_prototype_of() const
ThrowCompletionOr<Object*> Object::internal_get_prototype_of() const
{
// 1. Return O.[[Prototype]].
return const_cast<Object*>(prototype());
@ -645,9 +645,7 @@ bool Object::internal_has_property(PropertyName const& property_name) const
return true;
// 4. Let parent be ? O.[[GetPrototypeOf]]().
auto parent = internal_get_prototype_of();
if (vm.exception())
return {};
auto* parent = TRY_OR_DISCARD(internal_get_prototype_of());
// 5. If parent is not null, then
if (parent) {
@ -676,9 +674,7 @@ Value Object::internal_get(PropertyName const& property_name, Value receiver) co
// 3. If desc is undefined, then
if (!descriptor.has_value()) {
// a. Let parent be ? O.[[GetPrototypeOf]]().
auto parent = internal_get_prototype_of();
if (vm.exception())
return {};
auto* parent = TRY_OR_DISCARD(internal_get_prototype_of());
// b. If parent is null, return undefined.
if (!parent)
@ -736,9 +732,7 @@ bool Object::ordinary_set_with_own_descriptor(PropertyName const& property_name,
// 2. If ownDesc is undefined, then
if (!own_descriptor.has_value()) {
// a. Let parent be ? O.[[GetPrototypeOf]]().
auto parent = internal_get_prototype_of();
if (vm.exception())
return {};
auto* parent = TRY_OR_DISCARD(internal_get_prototype_of());
// b. If parent is not null, then
if (parent) {
@ -882,14 +876,10 @@ MarkedValueList Object::internal_own_property_keys() const
// 10.4.7.2 SetImmutablePrototype ( O, V ), https://tc39.es/ecma262/#sec-set-immutable-prototype
bool Object::set_immutable_prototype(Object* prototype)
{
auto& vm = this->vm();
// 1. Assert: Either Type(V) is Object or Type(V) is Null.
// 2. Let current be ? O.[[GetPrototypeOf]]().
auto* current = internal_get_prototype_of();
if (vm.exception())
return {};
auto* current = TRY_OR_DISCARD(internal_get_prototype_of());
// 3. If SameValue(V, current) is true, return true.
if (prototype == current)