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LibJS: Convert get_method to ThrowCompletionOr

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Idan Horowitz 2021-09-23 21:24:51 +03:00
commit ee825d6d9e
Notes: sideshowbarker 2024-07-18 03:31:02 +09:00
10 changed files with 47 additions and 92 deletions
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20
Userland/Libraries/LibJS/Runtime/IteratorOperations.cpp
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@ -124,16 +124,22 @@ void iterator_close(Object& iterator)
vm.unwind(unwind_until, unwind_until_label);
};
auto return_method = Value(&iterator).get_method(global_object, vm.names.return_);
if (!return_method)
return restore_completion(); // If return is undefined, return Completion(completion).
auto result_or_error = vm.call(*return_method, &iterator);
auto return_method_or_error = Value(&iterator).get_method(global_object, vm.names.return_);
Value result;
if (!return_method_or_error.is_error()) { // If innerResult.[[Type]] is normal, then
auto return_method = return_method_or_error.release_value();
if (!return_method)
return restore_completion(); // If return is undefined, return Completion(completion).
auto result_or_error = vm.call(*return_method, &iterator);
if (result_or_error.is_error())
return_method_or_error = result_or_error.release_error();
else
result = result_or_error.release_value();
}
if (completion_exception)
return restore_completion(); // If completion.[[Type]] is throw, return Completion(completion).
if (result_or_error.is_error())
if (return_method_or_error.is_error())
return; // If innerResult.[[Type]] is throw, return Completion(innerResult).
auto result = result_or_error.release_value();
if (!result.is_object()) {
vm.throw_exception<TypeError>(global_object, ErrorType::IterableReturnBadReturn);
return; // If Type(innerResult.[[Value]]) is not Object, throw a TypeError exception.