public override Argument VisitVarExpression(CalcParser.VarExpressionContext context)
{
Argument arg = Visit(context.expression());
if (arg.IsNull)
{
return(Argument.Null);
}
if (arg.IsDouble || arg.IsDate)
{
throw new ArgumentCastException("Argument of $VAR macro should not be a number or a date");
}
String variableName = arg.ToString();
return(this._resolver.ResolveVariable(variableName));
}
public override Query VisitVarExpression(CalcParser.VarExpressionContext context)
{
Query variableQuery = Visit(context.expression());
string variableName = variableQuery.Text;
Argument arg = this._metadataResolver.ResolveVariable(variableName);
ResultType type = ResultType.String;
if (arg.IsDate)
{
type = ResultType.Date;
}
if (arg.IsDouble)
{
type = ResultType.Number;
}
string queryText = TranslateArgument(arg);
return(new Query(queryText, type));
}