ext/ply/test/lex_state1.py

   1 # lex_state1.py
   2 #
   3 # Bad state declaration
   4
   5 import sys
   6 sys.path.insert(0,"..")
   7
   8 import ply.lex as lex
   9
  10 tokens = [
  11     "PLUS",
  12     "MINUS",
  13     "NUMBER",
  14     ]
  15
  16 states = 'comment'
  17
  18 t_PLUS = r'\+'
  19 t_MINUS = r'-'
  20 t_NUMBER = r'\d+'
  21
  22 # Comments
  23 def t_comment(t):
  24     r'/\*'
  25     t.lexer.begin('comment')
  26     print "Entering comment state"
  27
  28 def t_comment_body_part(t):
  29     r'(.|\n)*\*/'
  30     print "comment body", t
  31     t.lexer.begin('INITIAL')
  32
  33 def t_error(t):
  34     pass
  35
  36 import sys
  37
  38 lex.lex()
  39
  40