/// <summary> /// Visit a parse tree produced by <see cref="Generated.Z80TestParser.expr"/>. /// </summary> /// <param name="context">The parse tree.</param> /// <return>The visitor result.</return> public override object VisitExpr(Z80TestParser.ExprContext context) { if (IsInvalidContext(context)) { return(null); } var expr = (ExpressionNode)VisitOrExpr(context.orExpr()); if (context.ChildCount == 1) { return(expr); } return(new ConditionalExpressionNode(context) { Condition = expr, TrueExpression = (ExpressionNode)VisitExpr(context.expr()[0]), FalseExpression = (ExpressionNode)VisitExpr(context.expr()[1]) }); }