private void ValidateIndexNamedParameter(ExprValidationContext validationContext)
{
if (_indexNamedParameter.Count != 1 || !(_indexNamedParameter[0] is ExprDeclaredNode))
{
throw GetIndexNameMessage("requires an expression name");
}
ExprDeclaredNode node = (ExprDeclaredNode)_indexNamedParameter[0];
if (!(node.Body is ExprDotNode))
{
throw GetIndexNameMessage("requires an index expression");
}
ExprDotNode dotNode = (ExprDotNode)node.Body;
if (dotNode.ChainSpec.Count > 1)
{
throw GetIndexNameMessage("invalid chained index expression");
}
IList <ExprNode> @params = dotNode.ChainSpec[0].Parameters;
string indexTypeName = dotNode.ChainSpec[0].Name;
_optionalIndexName = node.Prototype.Name;
AdvancedIndexFactoryProvider provider;
try
{
provider = validationContext.EngineImportService.ResolveAdvancedIndexProvider(indexTypeName);
}
catch (EngineImportException e)
{
throw new ExprValidationException(e.Message, e);
}
if (indexTypeName.ToLowerInvariant() != IndexTypeName)
{
throw new ExprValidationException("Invalid index type '" + indexTypeName + "', expected '" +
IndexTypeName + "'");
}
_optionalIndexConfig = provider.ValidateConfigureFilterIndex(_optionalIndexName, indexTypeName,
ExprNodeUtility.ToArray(@params), validationContext);
}
/// <summary>Ctor. </summary>
/// <param name="declaration"></param>
public ExprNodeSubselectDeclaredNoTraverseVisitor(ExprDeclaredNode declaration)
{
_declaration = declaration;
_subselects = new List <ExprSubselectNode>(1);
}
