# lex_state2.py # # Bad state declaration import sys sys.path.insert(0,"..") import ply.lex as lex tokens = [ "PLUS", "MINUS", "NUMBER", ] comment = 1 states = (('comment', 'exclsive'),) t_PLUS = r'\+' t_MINUS = r'-' t_NUMBER = r'\d+' # Comments def t_comment(t): r'/\*' t.lexer.begin('comment') print "Entering comment state" def t_comment_body_part(t): r'(.|\n)*\*/' print "comment body", t t.lexer.begin('INITIAL') def t_error(t): pass import sys lex.lex()