def p_arguments(self, p):
if len(p) == <NUM_LIT:4>:<EOL><INDENT>p[<NUM_LIT:0>] = self.asttypes.Arguments(p[<NUM_LIT:2>])<EOL><DEDENT>else:<EOL><INDENT>p[<NUM_LIT:0>] = self.asttypes.Arguments([])<EOL><DEDENT>p[<NUM_LIT:0>].setpos(p)<EOL>
arguments : LPAREN RPAREN
                     | LPAREN argument_list RPAREN