///hasParentNode(id, ind)
/**
 * hasParentNode :: TreeNode -> Class -> Bool
 * 
 * Returns whether `id` has a parent node of type `ind` somewhere up the tree.
 *
 * @param id the node to check
 * @param ind the node type type to look for
 * @returns true if id has a parent of type ind, false otherwise
 */

for (var node = argument0.parent; node != noone; node = node.parent)
  if (node.object_index == argument1)
    return true;

return false;