def p_primary_expression(self, p):
        '''primary_expression : constant
                              | character_constant
                              | identifier
                              | '(' expression ')'
                              | LPAREN expression ')'
        '''
        if p[1] not in '(':
            p[0] = p[2]
        else:
            p[0] = p[1]
dataset/ETHPy150Open ardekantur/pyglet/tools/wraptypes/preprocessor.py/ConstantExpressionGrammar.p_primary_expression/operator `==` -> `not in`