def __init__(self, ast, terminal=1):
GenericASTTraversal.__init__(self, ast)
self.terminal = terminal
self.indent = 0
self.nodeCount = 0
self.preorder()
print
print self.nodeCount,'total nodes in tree'
def __init__(self, ast, terminal=0):
GenericASTTraversal.__init__(self, ast)
self.terminal = terminal
self.indent = ''
# self.postorder()
self.preorder()
