public ContextPossibilityMatchContainer(ContextEntry contextEntry, GeneroAst parentTree)
{
_parentTree = parentTree;
_matchingRound = 0;
_flatMatchingSet = new Dictionary <object, List <BackwardTokenSearchItem> >();
_flatNonMatchingSet = new HashSet <object>();
_possibilitiesWithNoBackwardSearch = new List <ContextPossibility>();
InitializeQueues(contextEntry);
}
private void InitializeQueues(ContextEntry contextEntry)
{
foreach (var possibility in contextEntry.ContextPossibilities)
{
if (possibility.BackwardSearchItems.Length > 0)
{
foreach (var searchItem in possibility.BackwardSearchItems)
{
searchItem.ParentContext = possibility;
object key = TokenKind.EndOfFile;
if (searchItem.TokenSet == null)
{
key = searchItem.SingleToken;
}
else
{
key = searchItem.TokenSet.Set[0].Token;
}
if (_flatMatchingSet.ContainsKey(key))
{
_flatMatchingSet[key].Add(searchItem);
}
else
{
_flatMatchingSet.Add(key, new List <BackwardTokenSearchItem> {
searchItem
});
}
if (!searchItem.Match)
{
_flatNonMatchingSet.Add(key);
}
}
}
else
{
_possibilitiesWithNoBackwardSearch.Add(possibility);
}
}
}
internal bool TryGetValue(object key, out ContextEntry value)
{
return(_contextMap.TryGetValue(key, out value));
}
internal void Add(object key, ContextEntry contextEntry)
{
_contextMap.Add(key, contextEntry);
}