digital_simulator/Literal.py

   1 # vim: set fileencoding=utf8
   2 #  Integer.py
   3 #
   4 # A literal is an integer.
   5 #
   6
   7 class Literal(object):
   8     def __init__(self, value = 0):
   9         '''Initialize Literal object.
  10            value: integer value given to object. '''
  11
  12         if not isinstance(value, int):
  13             raise "Invalid integer value detected: |%s|" % (value, )
  14         self.value = value
  15
  16     def __str__(self):
  17         return "<Literal:%d>" % (self.value,)
  18
  19 if __name__ == "__main__":
  20     a = Literal(4)
  21     b = Literal(5)
  22
  23     print a, b