/// <summary>
/// Given a cut name, see if there are any references to various FSO's.
/// </summary>
/// <param name="cut_nameContext"></param>
/// <returns></returns>
private IEnumerable <FinalStateObject> ExtractFSOReferences(FinalStatePatternParser.Cut_nameContext cut_nameContext)
{
if (cut_nameContext.object_name() != null)
{
yield return(Convert(cut_nameContext.object_name()));
}
else if (cut_nameContext.NAME() != null)
{
var nm = cut_nameContext.NAME().GetText();
var f = FSOs.Where(fs => fs.Name == nm).FirstOrDefault();
if (f != null)
{
yield return(f);
}
}
}
/// <summary>
/// Convert a cut_name to a IValueBase
/// </summary>
/// <param name="func"></param>
/// <returns></returns>
private IValueBase Convert(FinalStatePatternParser.Cut_nameContext func)
{
// Defaults, depending on context
// This is what happens when the same code is used for multiple rules. :(
var fso = _current_fso;
if (fso == null)
{
fso = _current_cut;
}
// See if the FSO was explicitly defined.
if (func.object_name() != null)
{
fso = Convert(func.object_name(), AllowedFSODefinitionReference.kAsDefinitionOrReference);
}
if (fso == null)
{
throw new ArgumentException(string.Format("Unable to figure out what object this value is referring to: {0}", func.NAME().GetText()));
}
// It is possible to have a name like ETMiss as a stand-alone name.
// However, then the FSO must be defined.
// (see above)... And we really need to double check this.
// TODO: Alias mechanism so ETMiss => ETMiss.ET or similar?
// Or we can use MET or something like that - so most physicists will
// end up doing the "right thing".
var name = func.NAME() == null ? "" : func.NAME().GetText();
return(new SinglePhysicalQuantity()
{
PhysicalQantity = name,
RefersToObject = fso
});
}