1cdf0e10cSrcweir#!/usr/bin/env python 2*9f22d7c2SAndrew Rist# ************************************************************* 3*9f22d7c2SAndrew Rist# 4*9f22d7c2SAndrew Rist# Licensed to the Apache Software Foundation (ASF) under one 5*9f22d7c2SAndrew Rist# or more contributor license agreements. See the NOTICE file 6*9f22d7c2SAndrew Rist# distributed with this work for additional information 7*9f22d7c2SAndrew Rist# regarding copyright ownership. The ASF licenses this file 8*9f22d7c2SAndrew Rist# to you under the Apache License, Version 2.0 (the 9*9f22d7c2SAndrew Rist# "License"); you may not use this file except in compliance 10*9f22d7c2SAndrew Rist# with the License. You may obtain a copy of the License at 11*9f22d7c2SAndrew Rist# 12*9f22d7c2SAndrew Rist# http://www.apache.org/licenses/LICENSE-2.0 13*9f22d7c2SAndrew Rist# 14*9f22d7c2SAndrew Rist# Unless required by applicable law or agreed to in writing, 15*9f22d7c2SAndrew Rist# software distributed under the License is distributed on an 16*9f22d7c2SAndrew Rist# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17*9f22d7c2SAndrew Rist# KIND, either express or implied. See the License for the 18*9f22d7c2SAndrew Rist# specific language governing permissions and limitations 19*9f22d7c2SAndrew Rist# under the License. 20*9f22d7c2SAndrew Rist# 21*9f22d7c2SAndrew Rist# ************************************************************* 22*9f22d7c2SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweirimport sys 25cdf0e10cSrcweirimport expression 26cdf0e10cSrcweir 27cdf0e10cSrcweirdef run (exp): 28cdf0e10cSrcweir tokens = exp.split() 29cdf0e10cSrcweir expparser = expression.ExpParser(tokens) 30cdf0e10cSrcweir expparser.build() 31cdf0e10cSrcweir expparser.dumpTree() 32cdf0e10cSrcweir 33cdf0e10cSrcweirdef main (): 34cdf0e10cSrcweir run("6 + 34") 35cdf0e10cSrcweir run("6 + 34 - 10") 36cdf0e10cSrcweir run("6 + 34 - 10 + 200") 37cdf0e10cSrcweir run("6 + 34 - 10 * 200") 38cdf0e10cSrcweir run("6 + 34 - 10 * 200 + 18") 39cdf0e10cSrcweir run("6 + 34 - 10 * 200 + 18 / 2") 40cdf0e10cSrcweir 41cdf0e10cSrcweir run("6 * ( ( 10 + 2 ) - 10 ) * 33") 42cdf0e10cSrcweir 43cdf0e10cSrcweirif __name__ == '__main__': 44cdf0e10cSrcweir main() 45