7 8import ply.lex as lex 9 10tokens = [ 11 "PLUS", 12 "MINUS", 13 "-", 14 "NUMBER", 15 ] 16 17t_PLUS = r'\+' 18t_MINUS = r'-' 19t_NUMBER = r'\d+' 20 21def t_error(t): 22 pass 23
| 7 8import ply.lex as lex 9 10tokens = [ 11 "PLUS", 12 "MINUS", 13 "-", 14 "NUMBER", 15 ] 16 17t_PLUS = r'\+' 18t_MINUS = r'-' 19t_NUMBER = r'\d+' 20 21def t_error(t): 22 pass 23
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