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LibJS: Convert Object::get() to ThrowCompletionOr

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To no one's surprise, this patch is pretty big - this is possibly the
most used AO of all of them. Definitely worth it though.
This commit is contained in:
Linus Groh 2021-10-02 23:52:27 +01:00
parent 9b6c09e2c4
commit b7e5f08e56
61 changed files with 326 additions and 686 deletions
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14
Userland/Libraries/LibJS/Runtime/MapConstructor.cpp
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@ -54,9 +54,7 @@ Value MapConstructor::construct(FunctionObject& new_target)
if (vm.argument(0).is_nullish())
return map;
auto adder = map->get(vm.names.set);
if (vm.exception())
return {};
auto adder = TRY_OR_DISCARD(map->get(vm.names.set));
if (!adder.is_function()) {
vm.throw_exception<TypeError>(global_object, ErrorType::NotAFunction, "'set' property of Map");
return {};
@ -68,12 +66,14 @@ Value MapConstructor::construct(FunctionObject& new_target)
vm.throw_exception<TypeError>(global_object, ErrorType::NotAnObject, String::formatted("Iterator value {}", iterator_value.to_string_without_side_effects()));
return IterationDecision::Break;
}
auto key = iterator_value.as_object().get(0);
if (vm.exception())
auto key_or_error = iterator_value.as_object().get(0);
if (key_or_error.is_error())
return IterationDecision::Break;
auto value = iterator_value.as_object().get(1);
if (vm.exception())
auto key = key_or_error.release_value();
auto value_or_error = iterator_value.as_object().get(1);
if (value_or_error.is_error())
return IterationDecision::Break;
auto value = value_or_error.release_value();
(void)vm.call(adder.as_function(), Value(map), key, value);
return vm.exception() ? IterationDecision::Break : IterationDecision::Continue;
});