def requires_emit(self, resolver: Resolver, queue: QueueScheduler) -> typing.Dict[object, ResultVariable]:
sub = ReferenceStatement.requires_emit(self, resolver, queue)
temp = ResultVariable()
temp.set_type(self.type)
temp.set_provider(self)
HangUnit(queue, resolver, sub, temp, self)
return {self: temp}
def requires_emit(self, resolver, queue):
# introduce temp variable to contain the eventual result of this stmt
temp = ResultVariable()
temp.set_type(Bool())
temp.set_provider(self)
# wait for the lhs
HangUnit(queue, resolver, self.children[0].requires_emit(resolver, queue), temp, self)
return {self: temp}
def requires_emit_gradual(self, resolver: Resolver, queue: QueueScheduler, resultcollector) -> Dict[object, ResultVariable]:
# The tricky one!
# introduce temp variable to contain the eventual result of this stmt
temp = ResultVariable()
temp.set_provider(self)
# construct waiter
resumer = AttributeReferenceHelper(temp, self.instance, self.attribute, resultcollector)
self.copy_location(resumer)
# wait for the instance
RawUnit(queue, resolver, self.instance.requires_emit(resolver, queue), resumer)
return {self: temp}
