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LibJS: Implement more IteratorOperations and organize file

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Implemented IteratorComplete and IteratorValue, and sorted functions
based on their spec ordering.
This commit is contained in:
Matthew Olsson 2021-06-13 13:39:46 -07:00 • committed by Andreas Kling
parent 1f8e643ef0
commit 14fff5df06
2 changed files with 25 additions and 14 deletions
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32
Userland/Libraries/LibJS/Runtime/IteratorOperations.cpp
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@ -69,6 +69,18 @@ Object* iterator_next(Object& iterator, Value value)
return &result.as_object();
}
// 7.4.3 IteratorComplete ( iterResult ), https://tc39.es/ecma262/#sec-iteratorcomplete
bool iterator_complete(GlobalObject& global_object, Object& iterator_result)
{
return iterator_result.get(global_object.vm().names.done).value_or(Value(false)).to_boolean();
}
// 7.4.4 IteratorValue ( iterResult ), https://tc39.es/ecma262/#sec-iteratorvalue
Value iterator_value(GlobalObject& global_object, Object& iterator_result)
{
return iterator_result.get(global_object.vm().names.value).value_or(js_undefined());
}
// 7.4.6 IteratorClose ( iteratorRecord, completion ), https://tc39.es/ecma262/#sec-iteratorclose
void iterator_close(Object& iterator)
{
@ -104,6 +116,16 @@ void iterator_close(Object& iterator)
restore_completion(); // Return Completion(completion).
}
// 7.4.8 CreateIterResultObject ( value, done ), https://tc39.es/ecma262/#sec-createiterresultobject
Value create_iterator_result_object(GlobalObject& global_object, Value value, bool done)
{
auto& vm = global_object.vm();
auto* object = Object::create(global_object, global_object.object_prototype());
object->define_property(vm.names.value, value);
object->define_property(vm.names.done, Value(done));
return object;
}
// 7.4.10 IterableToList ( items [ , method ] ), https://tc39.es/ecma262/#sec-iterabletolist
MarkedValueList iterable_to_list(GlobalObject& global_object, Value iterable, Value method)
{
@ -120,16 +142,6 @@ MarkedValueList iterable_to_list(GlobalObject& global_object, Value iterable, Va
return values;
}
// 7.4.8 CreateIterResultObject ( value, done ), https://tc39.es/ecma262/#sec-createiterresultobject
Value create_iterator_result_object(GlobalObject& global_object, Value value, bool done)
{
auto& vm = global_object.vm();
auto* object = Object::create(global_object, global_object.object_prototype());
object->define_property(vm.names.value, value);
object->define_property(vm.names.done, Value(done));
return object;
}
void get_iterator_values(GlobalObject& global_object, Value value, AK::Function<IterationDecision(Value)> callback, Value method, CloseOnAbrupt close_on_abrupt)
{
auto& vm = global_object.vm();