def getNodeNumber(self, t):
        try:
            return self.nodeToNumberMap[t]
        except __HOLE__:
            self.nodeToNumberMap[t] = self.nodeNumber
            self.nodeNumber += 1
            return self.nodeNumber - 1
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/_internal/antlr3/dottreegen.py/DOTTreeGenerator.getNodeNumber