Using Irony with strongly typed AST nodes

01_MyDslGrammar.cs

public class MyDslGrammar : Grammar
{
  public MyDslGrammar(): base(caseSensitive:false)
  {
     var binaryExpression = new NonTerminal("binaryExpression", typeof(BinaryExpressionNode));
     
     /*...*/
  }
}

02_BinaryExpressionNode.cs

public class BinaryExpressionNode : AstNode
    {
        public AstNode Left { get; private set; }
        public AstNode Right { get; private set; }
        public string Op { get; private set; }

        public override void Init(Irony.Parsing.ParsingContext context, Irony.Parsing.ParseTreeNode treeNode)
        {
            base.Init(context, treeNode);

            Left = AddChild("Arg", treeNode.ChildNodes[0]);
            Right = AddChild("Arg", treeNode.ChildNodes[2]);
            var opToken = treeNode.ChildNodes[1].FindToken();
            Op = opToken.Text;
        }
    }