private bool needsEmptyVersion(ContextPair contextPair)
{
UnitContext leftContext = contextPair.getLeftContext();
Unit[] units = leftContext.getUnits();
return(units.Length > 0 && this.getRightContextSize(units[0]) < this.getRightContextSize());
}
public virtual void expand()
{
Iterator iterator = this.leftContexts.iterator();
while (iterator.hasNext())
{
UnitContext unitContext = (UnitContext)iterator.next();
Iterator iterator2 = this.getStartingContexts().iterator();
while (iterator2.hasNext())
{
UnitContext unitContext2 = (UnitContext)iterator2.next();
ContextPair contextPair = ContextPair.get(unitContext, unitContext2);
this.entryPoints.put(contextPair, new ArrayList());
}
}
if (this.node.isFinalNode())
{
GrammarState grammarState = new GrammarState(this.node);
Iterator iterator3 = this.entryPoints.values().iterator();
while (iterator3.hasNext())
{
List list = (List)iterator3.next();
list.add(grammarState);
}
}
else if (!this.node.isEmpty())
{
iterator = this.leftContexts.iterator();
while (iterator.hasNext())
{
UnitContext unitContext = (UnitContext)iterator.next();
this.expandWord(unitContext);
}
}
else
{
iterator = this.entryPoints.entrySet().iterator();
while (iterator.hasNext())
{
Map.Entry entry = (Map.Entry)iterator.next();
ContextPair contextPair2 = (ContextPair)entry.getKey();
List list2 = (List)entry.getValue();
BranchState branchState = new BranchState(contextPair2.getLeftContext().toString(), contextPair2.getRightContext().toString(), this.node.getID());
list2.add(branchState);
this.addExitPoint(contextPair2, branchState);
}
}
this.addEmptyEntryPoints();
}
private void addEmptyEntryPoints()
{
HashMap hashMap = new HashMap();
Iterator iterator = this.entryPoints.entrySet().iterator();
while (iterator.hasNext())
{
Map.Entry entry = (Map.Entry)iterator.next();
ContextPair contextPair = (ContextPair)entry.getKey();
if (this.needsEmptyVersion(contextPair))
{
ContextPair contextPair2 = ContextPair.get(contextPair.getLeftContext(), UnitContext.EMPTY);
object obj = (List)hashMap.get(contextPair2);
if ((List)obj == null)
{
obj = new ArrayList();
hashMap.put(contextPair2, (ArrayList)obj);
}
object obj2 = obj;
Collection collection = (Collection)entry.getValue();
List list;
if (obj2 != null)
{
if ((list = (obj2 as List)) == null)
{
throw new IncompatibleClassChangeError();
}
}
else
{
list = null;
}
list.addAll(collection);
}
}
this.entryPoints.putAll(hashMap);
}