public IDottedRule Get(IProduction production, int position)
{
var hashCode = production.GetHashCode();
if (!_dottedRuleIndex.TryGetValue(hashCode, out Dictionary <int, IDottedRule> positionIndex))
{
return(null);
}
if (!positionIndex.TryGetValue(position, out IDottedRule dottedRule))
{
return(null);
}
return(dottedRule);
}
private static int ComputeHashCode(IProduction production, int position)
{
return(HashCode.Compute(production.GetHashCode(), position.GetHashCode()));
}
