public void Contains()
{
State s = new State();
Item item = new Item(new Production(), s);
Assert.IsFalse(s.Contains(item));
s.Add(item);
Assert.IsTrue(s.Contains(item));
}
private void Predictor(
State state,
Item item,
IDictionary<Production,IList<Item>> completedNullable)
{
Debug.Assert(!item.AtEnd && item.Symbol is Nonterminal);
Nonterminal nt = item.Symbol as Nonterminal;
foreach (Production p in nt.Productions)
{
Item newItem = new Item(p, state);
if (!state.Contains(newItem))
{
state.Add(newItem);
ShiftCompletedNullable(state, newItem, completedNullable);
}
}
}