public override SqlObject VisitBinaryScalarExpression([NotNull] sqlParser.BinaryScalarExpressionContext context) { Contract.Requires(context != null); // scalar_expression binary_operator scalar_expression Contract.Requires(context.ChildCount == 3); SqlScalarExpression left = (SqlScalarExpression)this.Visit(context.scalar_expression(0)); if (!CstToAstVisitor.binaryOperatorKindLookup.TryGetValue( context.binary_operator().GetText(), out SqlBinaryScalarOperatorKind operatorKind)) { throw new ArgumentOutOfRangeException($"Unknown binary operator: {context.binary_operator().GetText()}."); } SqlScalarExpression right = (SqlScalarExpression)this.Visit(context.scalar_expression(1)); return(SqlBinaryScalarExpression.Create(operatorKind, left, right)); }
/// <summary> /// Visit a parse tree produced by the <c>BinaryScalarExpression</c> /// labeled alternative in <see cref="sqlParser.scalar_expression"/>. /// <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 VisitBinaryScalarExpression([NotNull] sqlParser.BinaryScalarExpressionContext context) { return(VisitChildren(context)); }