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LibJS: Convert IteratorComplete AO to ThrowCompletionOr

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Timothy Flynn 2021-10-20 09:00:37 -04:00 • committed by Linus Groh
parent 8be1caa05d
commit a64752cd34
4 changed files with 15 additions and 13 deletions
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11
Userland/Libraries/LibJS/Runtime/IteratorOperations.cpp
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@ -57,12 +57,12 @@ ThrowCompletionOr<Object*> iterator_next(Object& iterator, Value value)
}
// 7.4.3 IteratorComplete ( iterResult ), https://tc39.es/ecma262/#sec-iteratorcomplete
bool iterator_complete(GlobalObject& global_object, Object& iterator_result)
ThrowCompletionOr<bool> iterator_complete(GlobalObject& global_object, Object& iterator_result)
{
auto& vm = global_object.vm();
// 1. Return ! ToBoolean(? Get(iterResult, "done")).
return TRY_OR_DISCARD(iterator_result.get(vm.names.done)).to_boolean();
return TRY(iterator_result.get(vm.names.done)).to_boolean();
}
// 7.4.4 IteratorValue ( iterResult ), https://tc39.es/ecma262/#sec-iteratorvalue
@ -77,13 +77,8 @@ Value iterator_value(GlobalObject& global_object, Object& iterator_result)
// 7.4.5 IteratorStep ( iteratorRecord ), https://tc39.es/ecma262/#sec-iteratorstep
ThrowCompletionOr<Object*> iterator_step(GlobalObject& global_object, Object& iterator)
{
auto& vm = global_object.vm();
auto* result = TRY(iterator_next(iterator));
auto done = iterator_complete(global_object, *result);
if (auto* exception = vm.exception())
return throw_completion(exception->value());
auto done = TRY(iterator_complete(global_object, *result));
if (done)
return nullptr;