public void ClearParseInformation(FileName fileName)
{
ParserServiceEntry entry = GetFileEntry(fileName, false);
if (entry != null)
{
entry.ExpireCache();
}
}
internal void RemoveEntry(ParserServiceEntry entry)
{
Debug.Assert(entry.rwLock.IsWriteLockHeld);
lock (fileEntryDict) {
ParserServiceEntry entryAtKey;
if (fileEntryDict.TryGetValue(entry.fileName, out entryAtKey))
{
if (entry == entryAtKey)
{
fileEntryDict.Remove(entry.fileName);
}
}
}
}
internal void RemoveEntry(ParserServiceEntry entry)
{
Debug.Assert(Monitor.IsEntered(entry));
lock (fileEntryDict) {
ParserServiceEntry entryAtKey;
if (fileEntryDict.TryGetValue(entry.fileName, out entryAtKey))
{
if (entry == entryAtKey)
{
fileEntryDict.Remove(entry.fileName);
}
}
}
}
internal void RegisterForCacheExpiry(ParserServiceEntry entry)
{
// This method should not be called within any locks
Debug.Assert(!(entry.rwLock.IsReadLockHeld || entry.rwLock.IsUpgradeableReadLockHeld || entry.rwLock.IsWriteLockHeld));
ParserServiceEntry expiredItem = null;
lock (cacheExpiryQueue) {
cacheExpiryQueue.Remove(entry); // remove entry from queue if it's already enqueued
if (cacheExpiryQueue.Count >= cachedEntryCount)
{
// dequeue item at front
expiredItem = cacheExpiryQueue[0];
cacheExpiryQueue.RemoveAt(0);
}
cacheExpiryQueue.Add(entry); // add entry to back
}
if (expiredItem != null)
{
expiredItem.ExpireCache();
}
}
ParserServiceEntry GetFileEntry(FileName fileName, bool createIfMissing)
{
if (fileName == null)
{
throw new ArgumentNullException("fileName");
}
ParserServiceEntry entry;
lock (fileEntryDict) {
if (!fileEntryDict.TryGetValue(fileName, out entry))
{
if (!createIfMissing)
{
return(null);
}
entry = new ParserServiceEntry(this, fileName);
fileEntryDict.Add(fileName, entry);
}
}
return(entry);
}
internal void RegisterForCacheExpiry(ParserServiceEntry entry)
{
// This method should not be called within any locks
Debug.Assert(!Monitor.IsEntered(entry));
ParserServiceEntry expiredItem = null;
lock (cacheExpiryQueue) {
cacheExpiryQueue.Remove(entry); // remove entry from queue if it's already enqueued
if (cacheExpiryQueue.Count >= cachedEntryCount) {
// dequeue item at front
expiredItem = cacheExpiryQueue[0];
cacheExpiryQueue.RemoveAt(0);
}
cacheExpiryQueue.Add(entry); // add entry to back
}
if (expiredItem != null)
expiredItem.ExpireCache();
}
internal void RemoveEntry(ParserServiceEntry entry)
{
Debug.Assert(Monitor.IsEntered(entry));
lock (fileEntryDict) {
ParserServiceEntry entryAtKey;
if (fileEntryDict.TryGetValue(entry.fileName, out entryAtKey)) {
if (entry == entryAtKey)
fileEntryDict.Remove(entry.fileName);
}
}
}
ParserServiceEntry GetFileEntry(FileName fileName, bool createIfMissing)
{
if (fileName == null)
throw new ArgumentNullException("fileName");
ParserServiceEntry entry;
lock (fileEntryDict) {
if (!fileEntryDict.TryGetValue(fileName, out entry)) {
if (!createIfMissing)
return null;
entry = new ParserServiceEntry(this, fileName);
fileEntryDict.Add(fileName, entry);
}
}
return entry;
}
internal void RemoveEntry(ParserServiceEntry entry)
{
Debug.Assert(entry.rwLock.IsWriteLockHeld);
lock (fileEntryDict) {
ParserServiceEntry entryAtKey;
if (fileEntryDict.TryGetValue(entry.fileName, out entryAtKey)) {
if (entry == entryAtKey)
fileEntryDict.Remove(entry.fileName);
}
}
}
