}//method
public void AddItem(LRItem item)
{
if (AllItems.Contains(item))
{
return;
}
AllItems.Add(item);
Cores.Add(item.Core);
if (item.Core.IsFinal)
{
ReduceItems.Add(item);
}
else
{
ShiftItems.Add(item);
ShiftTerms.Add(item.Core.Current);
}
}
}//method
public LRItem AddItem(LR0Item core)
{
var item = AllItems.FindByCore(core);
if (item != null)
{
return(item);
}
item = new LRItem(State, core);
AddItem(item);
//If current term is non-terminal, expand it
var currNt = core.Current as NonTerminal;
if (currNt == null)
{
return(item);
}
foreach (var prod in currNt.Productions)
{
var expItem = AddItem(prod.LR0Items[0]);
item.Expansions.Add(expItem);
}
return(item);
}//method