bool IProductionVisitor <ClosureInfo, bool> .VisitMapping <TSource, TReturn>(MappingProduction <TSource, TReturn> mappingProduction, ClosureInfo arg)
{
if (arg.DotLocation == 0 && !mappingProduction.SourceProduction.IsTerminal)
{
arg.IsChanged = arg.LR0ItemSet.Add(new LR0Item(mappingProduction.SourceProduction.Info.Index, 0)) || arg.IsChanged;
}
return(arg.IsChanged);
}
string IProductionVisitor <int, string> .VisitMapping <TSource, TReturn>(MappingProduction <TSource, TReturn> mappingProduction, int DotLocation)
{
if (DotLocation == 0)
{
return(mappingProduction.DebugName + " ::=." + mappingProduction.SourceProduction.DebugName);
}
else
{
return(mappingProduction.DebugName + " ::= " + mappingProduction.SourceProduction.DebugName + '.');
}
}
bool IProductionVisitor <bool, bool> .VisitMapping <TSource, TReturn>(MappingProduction <TSource, TReturn> mappingProduction, bool IsChanged)
{
var source = mappingProduction.SourceProduction;
IsChanged = mappingProduction.Info.First.UnionCheck(source.Info.First) || IsChanged;
IsChanged = source.Info.Follow.UnionCheck(mappingProduction.Info.Follow) || IsChanged;
if (mappingProduction.Info.IsNullable != source.Info.IsNullable)
{
mappingProduction.Info.IsNullable = source.Info.IsNullable;
IsChanged = true;
}
return(IsChanged);
}
IReadOnlyList <IProduction> IProductionVisitor <int, IReadOnlyList <IProduction> > .VisitMapping <TSource, TReturn>(MappingProduction <TSource, TReturn> mappingProduction, int DotLocation)
{
if (DotLocation == 0)
{
return(new IProduction[1] {
mappingProduction.SourceProduction
});
}
else
{
return(s_empty);
}
}
List <IProduction> IProductionVisitor <List <IProduction>, List <IProduction> > .VisitMapping <TSource, TReturn>(MappingProduction <TSource, TReturn> mappingProduction, List <IProduction> Productions)
{
if (mappingProduction.Info != null)
{
return(Productions);
}
mappingProduction.Info = new ProductionInfo();
mappingProduction.SourceProduction.Accept(this, Productions);
mappingProduction.Info.Index = Productions.Count;
mappingProduction.Info.SymbolCount = 1;
Productions.Add(mappingProduction);
return(Productions);
}
bool IProductionVisitor <Tuple <int, bool, ISet <LR0Item> >, bool> .VisitMapping <TSource, TReturn>(MappingProduction <TSource, TReturn> mappingProduction, Tuple <int, bool, ISet <LR0Item> > arg)
{
int DotLocation = arg.Item1;
bool IsChanged = arg.Item2;
ISet <LR0Item> LR0ItemSet = arg.Item3;
if (DotLocation == 0 && !mappingProduction.SourceProduction.IsTerminal)
{
IsChanged = LR0ItemSet.Add(new LR0Item(mappingProduction.SourceProduction.Info.Index, 0)) || IsChanged;
}
return(IsChanged);
}
