public override Argument VisitNormdExpression(CalcParser.NormdExpressionContext context)
{
Argument arg = Visit(context.expression());
if (arg.IsNull)
{
return(Argument.Null);
}
if (arg.IsDouble || arg.IsInteger)
{
throw new ArgumentCastException("Argument of $NORMD macro should not be a number");
}
if (arg.IsTime)
{
int time = arg.ToTime();
if (time != -1)
{
throw new ArgumentCastException("Argument of $NORMD macro should not be a number or a time");
}
}
if (arg.IsDate)
{
return(new Argument(arg.ToDate().Value));
}
// argument is not a date. So, it's a field
return(this._resolver.ResolveFieldValue(arg.ToString()));
}
public override Query VisitNormdExpression(CalcParser.NormdExpressionContext context)
{
Query fieldQuery = Visit(context.expression());
string fieldName = fieldQuery.Text;
FieldInfo fieldInfo = this._metadataResolver.GetField(fieldName);
string queryText;
switch (fieldInfo.Type)
{
case DFM_FIELD_TYPE.DFM_FT_DATE:
queryText = "X" + fieldName;
break;
case DFM_FIELD_TYPE.DFM_FT_MEMO:
case DFM_FIELD_TYPE.DFM_FT_STRING:
queryText = this._dbTranslator.FieldToDate(fieldInfo);
break;
default:
throw new ExpressionException("$NORMD can be applied for DATE and STRING fields only");
}
return(new Query(queryText, ResultType.Date));
}