Implements @variables and @vars

def _get_variables(self, rule, p_selectors, p_parents, p_children, scope, media, c_lineno, c_property, c_codestr):
        """
        Implements @variables and @vars
        """
        _rule = list(rule)
        _rule[CODESTR] = c_codestr
        _rule[PROPERTIES] = rule[CONTEXT]
        self.manage_children(
            _rule, p_selectors, p_parents, p_children, scope, media)