def __str__(self):
operand = self.operand.ref
op_fixity = make_token(OPERATOR_FIXITIES, self)
operand_fixity = make_token(OPERATOR_FIXITIES, operand)
if operand_fixity.lbp and op_fixity > operand_fixity:
operand_str = parenthesized
else:
operand_str = str
return '{}{}'.format(self.name, operand_str(operand))
def __str__(self):
left = self.left.ref
right = self.right.ref
op_fixity = make_token(OPERATOR_FIXITIES, self)
left_fixity = make_token(OPERATOR_FIXITIES, left)
right_fixity = make_token(OPERATOR_FIXITIES, right)
if left_fixity.rbp and left_fixity < op_fixity:
left_str = parenthesized
else:
left_str = str
if right_fixity.lbp and op_fixity > right_fixity:
right_str = parenthesized
else:
right_str = str
return '{} {} {}'.format(left_str(left), self.name, right_str(right))
