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LibJS: Don't use MarkedValueList in PromiseValueList

Browse source 
Instead, override visit_edges() and mark the values like any other Cell
subclass would.

This makes PromiseValueList play nice with zombification.
This commit is contained in:
Andreas Kling 2021-09-11 22:16:30 +02:00
parent 2253235a0f
commit 971dc44ed3
3 changed files with 19 additions and 15 deletions
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8
Userland/Libraries/LibJS/Runtime/PromiseConstructor.cpp
View file

@ -111,7 +111,7 @@ static Value perform_promise_common(GlobalObject& global_object, Object& iterato
return {};
}
values->values.append(js_undefined());
values->values().append(js_undefined());
auto next_promise = vm.call(promise_resolve.as_function(), constructor, next_value);
if (vm.exception())
@ -135,7 +135,7 @@ static Value perform_promise_all(GlobalObject& global_object, Object& iterator_r
return perform_promise_common(
global_object, iterator_record, constructor, result_capability, promise_resolve,
[&](PromiseValueList& values) -> Value {
auto values_array = Array::create_from(global_object, values.values);
auto values_array = Array::create_from(global_object, values.values());
(void)vm.call(*result_capability.resolve, js_undefined(), values_array);
if (vm.exception())
@ -159,7 +159,7 @@ static Value perform_promise_all_settled(GlobalObject& global_object, Object& it
return perform_promise_common(
global_object, iterator_record, constructor, result_capability, promise_resolve,
[&](PromiseValueList& values) -> Value {
auto values_array = Array::create_from(global_object, values.values);
auto values_array = Array::create_from(global_object, values.values());
(void)vm.call(*result_capability.resolve, js_undefined(), values_array);
if (vm.exception())
@ -186,7 +186,7 @@ static Value perform_promise_any(GlobalObject& global_object, Object& iterator_r
return perform_promise_common(
global_object, iterator_record, constructor, result_capability, promise_resolve,
[&](PromiseValueList& errors) -> Value {
auto errors_array = Array::create_from(global_object, errors.values);
auto errors_array = Array::create_from(global_object, errors.values());
auto* error = AggregateError::create(global_object);
error->define_property_or_throw(vm.names.errors, { .value = errors_array, .writable = true, .enumerable = false, .configurable = true });

16
Userland/Libraries/LibJS/Runtime/PromiseResolvingElementFunctions.cpp
View file

@ -63,10 +63,10 @@ Value PromiseAllResolveElementFunction::resolve_element()
auto& vm = this->vm();
auto& global_object = this->global_object();
m_values.values[m_index] = vm.argument(0);
m_values.values()[m_index] = vm.argument(0);
if (--m_remaining_elements.value == 0) {
auto values_array = Array::create_from(global_object, m_values.values);
auto values_array = Array::create_from(global_object, m_values.values());
return vm.call(*m_capability.resolve, js_undefined(), values_array);
}
@ -92,10 +92,10 @@ Value PromiseAllSettledResolveElementFunction::resolve_element()
object->create_data_property_or_throw(vm.names.status, js_string(vm, "fulfilled"sv));
object->create_data_property_or_throw(vm.names.value, vm.argument(0));
m_values.values[m_index] = object;
m_values.values()[m_index] = object;
if (--m_remaining_elements.value == 0) {
auto values_array = Array::create_from(global_object, m_values.values);
auto values_array = Array::create_from(global_object, m_values.values());
return vm.call(*m_capability.resolve, js_undefined(), values_array);
}
@ -121,10 +121,10 @@ Value PromiseAllSettledRejectElementFunction::resolve_element()
object->create_data_property_or_throw(vm.names.status, js_string(vm, "rejected"sv));
object->create_data_property_or_throw(vm.names.reason, vm.argument(0));
m_values.values[m_index] = object;
m_values.values()[m_index] = object;
if (--m_remaining_elements.value == 0) {
auto values_array = Array::create_from(global_object, m_values.values);
auto values_array = Array::create_from(global_object, m_values.values());
return vm.call(*m_capability.resolve, js_undefined(), values_array);
}
@ -146,10 +146,10 @@ Value PromiseAnyRejectElementFunction::resolve_element()
auto& vm = this->vm();
auto& global_object = this->global_object();
m_values.values[m_index] = vm.argument(0);
m_values.values()[m_index] = vm.argument(0);
if (--m_remaining_elements.value == 0) {
auto errors_array = Array::create_from(global_object, m_values.values);
auto errors_array = Array::create_from(global_object, m_values.values());
auto* error = AggregateError::create(global_object);
error->define_property_or_throw(vm.names.errors, { .value = errors_array, .writable = true, .enumerable = false, .configurable = true });

10
Userland/Libraries/LibJS/Runtime/PromiseResolvingElementFunctions.h
View file

@ -24,15 +24,19 @@ struct RemainingElements final : public Cell {
u64 value { 0 };
};
struct PromiseValueList final : public Cell {
class PromiseValueList final : public Cell {
public:
PromiseValueList()
: values(heap())
{
}
Vector<Value>& values() { return m_values; }
Vector<Value> const& values() const { return m_values; }
private:
virtual const char* class_name() const override { return "PromiseValueList"; }
MarkedValueList values;
Vector<Value> m_values;
};
class PromiseResolvingElementFunction : public NativeFunction {