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