railt/graphql

/**
 * --------------------------------------------------------------------------
 *  GraphQL Arguments
 * --------------------------------------------------------------------------
 *
 * Fields are conceptually functions which return values, and occasionally
 * accept arguments which alter their behavior. These arguments often map
 * directly to function arguments within a GraphQL server’s implementation.
 *
 * @see https://facebook.github.io/graphql/June2018/#Arguments
 */

Arguments -> { return new \ArrayObject($children); }
  : ::T_PARENTHESIS_OPEN::
      (Argument() ::T_COMMA::?)*
    ::T_PARENTHESIS_CLOSE::
  ;

Argument -> {
    return new Stmt\Execution\ArgumentNode($children[0], $children[1]);
}
  : Identifier() ::T_COLON:: Expression()
  ;