public override AstNode VisitAdditive(StannumParser.AdditiveContext context) { if (!(Visit(context.Left) is Expr left)) { throw new Exception("Unrecognized expression!"); } if (!(Visit(context.Right) is Expr right)) { throw new Exception("Unrecognized expression!"); } return(new BinaryExpr(left, context.Op.Text, right)); }
/// <summary> /// Visit a parse tree produced by the <c>Additive</c> /// labeled alternative in <see cref="StannumParser.additive_"/>. /// <para> /// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/> /// on <paramref name="context"/>. /// </para> /// </summary> /// <param name="context">The parse tree.</param> /// <return>The visitor result.</return> public virtual Result VisitAdditive([NotNull] StannumParser.AdditiveContext context) { return(VisitChildren(context)); }