public TerminalNode <TExtension, TTransition> GetOrCreateTerminalNode(SppfNodeKey <TExtension> key, TTransition token)
{
var fullKey = (key, token);
var exists = myTerminals.TryGetValue(fullKey, out var node);
if (!exists)
{
node = new TerminalNode <TExtension, TTransition>(key, token);
myTerminals.Add(fullKey, node);
}
return(node);
}
public Sppf()
{
myIntermediates = new Dictionary <SppfNodeKey <TExtension>, IntermediateNode <TExtension> >();
myComplete = new Dictionary <SppfNodeKey <TExtension>, CompleteNode <TExtension> >();
myTerminals = new Dictionary <(SppfNodeKey <TExtension>, TTransition), TerminalNode <TExtension, TTransition> >();
}