Python Lexer.input示例

示例#1

import re
from lex import Lexer
from parse_qr import Parser
if __name__ == '__main__':


    lexer = Lexer().build()
    file = open('test.txt')
    text_input = file.read()
    file.close()
    lexer.input(text_input)
    # while True:
    #     tok = lexer.token()
    #     if not tok: break
    #     print(tok)
    parser = Parser()
    parser.build().parse(text_input, lexer, False)