def call_method(self, id, name, arguments=None):
op = Operation("method-call")
op.id = id
op.name = name
op.arguments = arguments
self.operations.append(op)
def call_constructor(self, id, namespace, name, arguments=None):
op = Operation("constructor-call")
op.id = id
op.namespace = namespace
op.name = name
op.arguments = arguments
self.operations.append(op)