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/*
* Copyright (c) 2021, Tim Flynn <trflynn89@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/AbstractOperations.h>
#include <LibJS/Runtime/AggregateError.h>
#include <LibJS/Runtime/Array.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/PromiseCapability.h>
#include <LibJS/Runtime/PromiseResolvingElementFunctions.h>
namespace JS {
void PromiseValueList::visit_edges(Visitor& visitor)
{
Cell::visit_edges(visitor);
for (auto& val : m_values)
visitor.visit(val);
}
PromiseResolvingElementFunction::PromiseResolvingElementFunction(size_t index, PromiseValueList& values, NonnullGCPtr<PromiseCapability> capability, RemainingElements& remaining_elements, Object& prototype)
: NativeFunction(prototype)
, m_index(index)
, m_values(values)
, m_capability(capability)
, m_remaining_elements(remaining_elements)
{
}
void PromiseResolvingElementFunction::initialize(Realm& realm)
{
Base::initialize(realm);
define_direct_property(vm().names.length, Value(1), Attribute::Configurable);
}
ThrowCompletionOr<Value> PromiseResolvingElementFunction::call()
{
if (m_already_called)
return js_undefined();
m_already_called = true;
return resolve_element();
}
void PromiseResolvingElementFunction::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(&m_values);
visitor.visit(m_capability);
visitor.visit(&m_remaining_elements);
}
PromiseAllResolveElementFunction* PromiseAllResolveElementFunction::create(Realm& realm, size_t index, PromiseValueList& values, NonnullGCPtr<PromiseCapability> capability, RemainingElements& remaining_elements)
{
return realm.heap().allocate<PromiseAllResolveElementFunction>(realm, index, values, capability, remaining_elements, *realm.intrinsics().function_prototype());
}
PromiseAllResolveElementFunction::PromiseAllResolveElementFunction(size_t index, PromiseValueList& values, NonnullGCPtr<PromiseCapability> capability, RemainingElements& remaining_elements, Object& prototype)
: PromiseResolvingElementFunction(index, values, capability, remaining_elements, prototype)
{
}
ThrowCompletionOr<Value> PromiseAllResolveElementFunction::resolve_element()
{
auto& vm = this->vm();
auto& realm = *vm.current_realm();
// 8. Set values[index] to x.
m_values.values()[m_index] = vm.argument(0);
// 9. Set remainingElementsCount.[[Value]] to remainingElementsCount.[[Value]] - 1.
// 10. If remainingElementsCount.[[Value]] is 0, then
if (--m_remaining_elements.value == 0) {
// a. Let valuesArray be CreateArrayFromList(values).
auto values_array = Array::create_from(realm, m_values.values());
// b. Return ? Call(promiseCapability.[[Resolve]], undefined, « valuesArray »).
return JS::call(vm, *m_capability->resolve(), js_undefined(), values_array);
}
// 11. Return undefined.
return js_undefined();
}
PromiseAllSettledResolveElementFunction* PromiseAllSettledResolveElementFunction::create(Realm& realm, size_t index, PromiseValueList& values, NonnullGCPtr<PromiseCapability> capability, RemainingElements& remaining_elements)
{
return realm.heap().allocate<PromiseAllSettledResolveElementFunction>(realm, index, values, capability, remaining_elements, *realm.intrinsics().function_prototype());
}
PromiseAllSettledResolveElementFunction::PromiseAllSettledResolveElementFunction(size_t index, PromiseValueList& values, NonnullGCPtr<PromiseCapability> capability, RemainingElements& remaining_elements, Object& prototype)
: PromiseResolvingElementFunction(index, values, capability, remaining_elements, prototype)
{
}
ThrowCompletionOr<Value> PromiseAllSettledResolveElementFunction::resolve_element()
{
auto& vm = this->vm();
auto& realm = *vm.current_realm();
// 9. Let obj be OrdinaryObjectCreate(%Object.prototype%).
auto* object = Object::create(realm, realm.intrinsics().object_prototype());
// 10. Perform ! CreateDataPropertyOrThrow(obj, "status", "fulfilled").
MUST(object->create_data_property_or_throw(vm.names.status, PrimitiveString::create(vm, "fulfilled"sv)));
// 11. Perform ! CreateDataPropertyOrThrow(obj, "value", x).
MUST(object->create_data_property_or_throw(vm.names.value, vm.argument(0)));
// 12. Set values[index] to obj.
m_values.values()[m_index] = object;
// 13. Set remainingElementsCount.[[Value]] to remainingElementsCount.[[Value]] - 1.
// 14. If remainingElementsCount.[[Value]] is 0, then
if (--m_remaining_elements.value == 0) {
// a. Let valuesArray be CreateArrayFromList(values).
auto values_array = Array::create_from(realm, m_values.values());
// b. Return ? Call(promiseCapability.[[Resolve]], undefined, « valuesArray »).
return JS::call(vm, *m_capability->resolve(), js_undefined(), values_array);
}
// 15. Return undefined.
return js_undefined();
}
PromiseAllSettledRejectElementFunction* PromiseAllSettledRejectElementFunction::create(Realm& realm, size_t index, PromiseValueList& values, NonnullGCPtr<PromiseCapability> capability, RemainingElements& remaining_elements)
{
return realm.heap().allocate<PromiseAllSettledRejectElementFunction>(realm, index, values, capability, remaining_elements, *realm.intrinsics().function_prototype());
}
PromiseAllSettledRejectElementFunction::PromiseAllSettledRejectElementFunction(size_t index, PromiseValueList& values, NonnullGCPtr<PromiseCapability> capability, RemainingElements& remaining_elements, Object& prototype)
: PromiseResolvingElementFunction(index, values, capability, remaining_elements, prototype)
{
}
ThrowCompletionOr<Value> PromiseAllSettledRejectElementFunction::resolve_element()
{
auto& vm = this->vm();
auto& realm = *vm.current_realm();
// 9. Let obj be OrdinaryObjectCreate(%Object.prototype%).
auto* object = Object::create(realm, realm.intrinsics().object_prototype());
// 10. Perform ! CreateDataPropertyOrThrow(obj, "status", "rejected").
MUST(object->create_data_property_or_throw(vm.names.status, PrimitiveString::create(vm, "rejected"sv)));
// 11. Perform ! CreateDataPropertyOrThrow(obj, "reason", x).
MUST(object->create_data_property_or_throw(vm.names.reason, vm.argument(0)));
// 12. Set values[index] to obj.
m_values.values()[m_index] = object;
// 13. Set remainingElementsCount.[[Value]] to remainingElementsCount.[[Value]] - 1.
// 14. If remainingElementsCount.[[Value]] is 0, then
if (--m_remaining_elements.value == 0) {
// a. Let valuesArray be CreateArrayFromList(values).
auto values_array = Array::create_from(realm, m_values.values());
// b. Return ? Call(promiseCapability.[[Resolve]], undefined, « valuesArray »).
return JS::call(vm, *m_capability->resolve(), js_undefined(), values_array);
}
// 15. Return undefined.
return js_undefined();
}
PromiseAnyRejectElementFunction* PromiseAnyRejectElementFunction::create(Realm& realm, size_t index, PromiseValueList& errors, NonnullGCPtr<PromiseCapability> capability, RemainingElements& remaining_elements)
{
return realm.heap().allocate<PromiseAnyRejectElementFunction>(realm, index, errors, capability, remaining_elements, *realm.intrinsics().function_prototype());
}
PromiseAnyRejectElementFunction::PromiseAnyRejectElementFunction(size_t index, PromiseValueList& errors, NonnullGCPtr<PromiseCapability> capability, RemainingElements& remaining_elements, Object& prototype)
: PromiseResolvingElementFunction(index, errors, capability, remaining_elements, prototype)
{
}
ThrowCompletionOr<Value> PromiseAnyRejectElementFunction::resolve_element()
{
auto& vm = this->vm();
auto& realm = *vm.current_realm();
// 8. Set errors[index] to x.
m_values.values()[m_index] = vm.argument(0);
// 9. Set remainingElementsCount.[[Value]] to remainingElementsCount.[[Value]] - 1.
// 10. If remainingElementsCount.[[Value]] is 0, then
if (--m_remaining_elements.value == 0) {
// a. Let error be a newly created AggregateError object.
auto error = AggregateError::create(realm);
// b. Perform ! DefinePropertyOrThrow(error, "errors", PropertyDescriptor { [[Configurable]]: true, [[Enumerable]]: false, [[Writable]]: true, [[Value]]: CreateArrayFromList(errors) }).
auto errors_array = Array::create_from(realm, m_values.values());
MUST(error->define_property_or_throw(vm.names.errors, { .value = errors_array, .writable = true, .enumerable = false, .configurable = true }));
// c. Return ? Call(promiseCapability.[[Reject]], undefined, « error »).
return JS::call(vm, *m_capability->reject(), js_undefined(), error);
}
return js_undefined();
}
}
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