/// <summary> /// operation_expressions: expression (operator expression)+; /// </summary> /// <param name="node"></param> /// <param name="elementBlock"></param> /// <returns></returns> private IEnumerable<INode> OperationExpressions(PegNode node, ElementBlock elementBlock) { yield return Expression(node.child_, elementBlock); node = node.next_; //Tail while (node != null) { switch (node.id_.ToEnLess()) { case EnLess.@operator: yield return new Operator(node.GetAsString(Src), elementBlock); break; case EnLess.expression: yield return Expression(node.child_, elementBlock); break; case EnLess.comment: node.ToString(); break; } node = node.next_; } }