27 lines
300 B
Python
27 lines
300 B
Python
# lex_error4.py
|
|
#
|
|
# t_error defined as function, but too many args
|
|
|
|
import sys
|
|
if ".." not in sys.path: sys.path.insert(0,"..")
|
|
|
|
import ply.lex as lex
|
|
|
|
tokens = [
|
|
"PLUS",
|
|
"MINUS",
|
|
"NUMBER",
|
|
]
|
|
|
|
t_PLUS = r'\+'
|
|
t_MINUS = r'-'
|
|
t_NUMBER = r'\d+'
|
|
|
|
def t_error(t,s):
|
|
pass
|
|
|
|
|
|
|
|
lex.lex()
|
|
|
|
|