17. The method of claim 15 , wherein the output data comprises an output container created for a node that is an object type node, the output container containing at least one key value pair that is transferred from the scope dictionary associated with the object node.
17. The method of claim 15 , wherein the output data comprises an output container created for a node that is an object type node, the output container containing at least one key value pair that is transferred from the scope dictionary associated with the object node. 19. The method of claim 17 , wherein said traversing upward comprises copying the output container created for the object type node to the scope dictionary associated with the parent node of the object node.