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CS269: HW/SW Engineering of Embedded Systems, Winter02
Steps to Write a Visitor
(3)
–
if all nodes need to be visited and the return value of the
children will be needed by the parent.
•
TM_CHILDREN_FIRST
–
visit children, then visit myself. Return value can be
stored in the parent node.
•
TM_SELF_FIRST
–
visit myself, then visit children
–
Used if all nodes need to be visited and the return
value of the children is not required.
