antlr4_python_lexer_parser_quickstart_with_filestream.py

1import sys
2from antlr4 import *
3from MyLexer import MyLexer
4from MyParser import MyParser
5
6def main(argv):
7    input_stream = FileStream(argv[1])
8    lexer = MyLexer(input_stream)
9    stream = CommonTokenStream(lexer)
10    parser = MyParser(stream)
11    tree = parser.startRule()
12
13if __name__ == '__main__':
14    main(sys.argv)