public override SqlObject VisitBinary_scalar_expression([NotNull] sqlParser.Binary_scalar_expressionContext context)
{
Contract.Requires(context != null);
SqlObject sqlObject;
if (context.unary_scalar_expression() != null)
{
sqlObject = (SqlScalarExpression)this.Visit(context.unary_scalar_expression());
}
else
{
// scalar_expression binary_operator scalar_expression
Contract.Requires(context.ChildCount == 3);
SqlScalarExpression left = (SqlScalarExpression)this.Visit(context.binary_scalar_expression(0));
if (!CstToAstVisitor.binaryOperatorKindLookup.TryGetValue(
context.children[1].GetText(),
out SqlBinaryScalarOperatorKind operatorKind))
{
throw new ArgumentOutOfRangeException($"Unknown binary operator: {context.children[1].GetText()}.");
}
SqlScalarExpression right = (SqlScalarExpression)this.Visit(context.binary_scalar_expression(1));
sqlObject = SqlBinaryScalarExpression.Create(operatorKind, left, right);
}
return(sqlObject);
}
/// <summary>
/// Visit a parse tree produced by <see cref="sqlParser.binary_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 VisitBinary_scalar_expression([NotNull] sqlParser.Binary_scalar_expressionContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="sqlParser.binary_scalar_expression"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitBinary_scalar_expression([NotNull] sqlParser.Binary_scalar_expressionContext context)
{
}