public Sequitur()
{
Rules = new HashSet<Rule>();
_Data = new DigramContainer();
_StartRule = new Rule("startrule", this);
//Rules.Add(_StartRule);
_StartRule.reuse();
}
public void swapRule(Rule newRule)
{
Debug.Assert(IsRule);
RuleInstance old = StartPoint.Value as RuleInstance;
StartPoint.Value = new RuleInstance(newRule);
old.Content.deuse();
Debug.Print("swapped " + old.ToString() + " to " + newRule.ToString());
}
internal RecursionPoint replace(LinkedListNode<Symbol> linkedListNode)
{
var rule = Data.getRule(linkedListNode);
RecursionPoint todo = new RecursionPoint();
var pointsToCheck = new HashSet<LinkedListNode<Symbol>>();
if (rule == null)
{
rule = new Rule(Data.NextId, this);
#if DEBUG
Rules.Add(rule);
#endif
Debug.Print("New rule created:" + rule.ID);
todo.UnionWith(Data.newRule(linkedListNode, rule));
}
else
{
Debug.Print("using old rule:" + rule.ID );
}
todo.UnionWith(Data.setRule(linkedListNode, rule));
Data.removeDigrams(todo.RemovedDigrams);
todo.RemovedDigrams.Clear();
return todo;
}