List <IProduction> IProductionVisitor <List <IProduction>, List <IProduction> > .VisitEmpty <T>(EmptyProduction <T> emptyProduction, List <IProduction> Productions)
{
if (emptyProduction.Info != null)
{
return(Productions);
}
emptyProduction.Info = new ProductionInfo();
emptyProduction.Info.IsNullable = true;
emptyProduction.Info.Index = Productions.Count;
emptyProduction.Info.SymbolCount = 0;
Productions.Add(emptyProduction);
return(Productions);
}
string IProductionVisitor <int, string> .VisitEmpty <T>(EmptyProduction <T> emptyProduction, int DotLocation)
{
return(emptyProduction.ToString() + '.');
}
IReadOnlyList <IProduction> IProductionVisitor <int, IReadOnlyList <IProduction> > .VisitEmpty <T>(EmptyProduction <T> emptyProduction, int DotLocation)
{
return(s_empty);
}
bool IProductionVisitor <Tuple <int, bool, ISet <LR0Item> >, bool> .VisitEmpty <T>(EmptyProduction <T> emptyProduction, Tuple <int, bool, ISet <LR0Item> > arg)
{
//do nothing, make set unchanged
return(arg.Item2);
}
bool IProductionVisitor <bool, bool> .VisitEmpty <T>(EmptyProduction <T> emptyProduction, bool IsChanged)
{
return(IsChanged);
}
bool IProductionVisitor <ClosureInfo, bool> .VisitEmpty <T>(EmptyProduction <T> emptyProduction, ClosureInfo arg)
{
//do nothing, make set unchanged
return(arg.IsChanged);
}
