1 # lex_token2.py 2 # 3 # Tests for tokens of wrong type 4 5 import sys 6 if ".." not in sys.path: sys.path.insert(0,"..") 7 8 import ply.lex as lex 9 10 tokens = "PLUS MINUS NUMBER" 11 12 t_PLUS = r'\+' 13 t_MINUS = r'-' 14 t_NUMBER = r'\d+' 15 16 def t_error(t): 17 pass 18 19 20 lex.lex() 21 22 23
