public Symbol Lookup(uint aAddress, out SymbolCollection aCollection)
{
WaitForLookupCache();
//
Symbol ret = null;
aCollection = null;
//
AddressCollectionPair temp = new AddressCollectionPair(new AddressRange(aAddress, aAddress), null);
AddressCollectionPairComparer comparer = new AddressCollectionPairComparer();
//
lock ( iLookupCache )
{
int pos = iLookupCache.BinarySearch(temp, comparer);
if (pos >= 0)
{
temp = iLookupCache[pos];
aCollection = temp.Collection;
ret = aCollection[aAddress];
}
}
//
return(ret);
}
public bool Contains(uint aAddress)
{
WaitForLookupCache();
//
bool ret = false;
//
AddressCollectionPair temp = new AddressCollectionPair(new AddressRange(aAddress, aAddress), null);
AddressCollectionPairComparer comparer = new AddressCollectionPairComparer();
//
lock ( iLookupCache )
{
int pos = iLookupCache.BinarySearch(temp, comparer);
ret = (pos >= 0);
}
//
return(ret);
}
private void BackgroundThreadRemoveFromCache(object aCollection)
{
System.Diagnostics.Debug.Assert(iLookUpCacheWaiter != null);
SymbolCollection collection = (SymbolCollection)aCollection;
//
Predicate <AddressCollectionPair> predicate = delegate(AddressCollectionPair pair)
{
bool match = (pair.Collection == collection);
return(match);
};
//
lock ( iLookupCache )
{
AddressCollectionPair temp = new AddressCollectionPair(new AddressRange(), collection);
iLookupCache.RemoveAll(predicate);
}
//
iLookUpCacheWaiter.Set();
}
private void UpdateCacheForCollection(SymbolCollection aCollection)
{
bool isEmpty = aCollection.IsEmptyApartFromDefaultSymbol;
if (isEmpty == false)
{
AddressRangeCollection ranges = aCollection.AddressRangeCollection;
if (ranges != null)
{
// This comparer will help us sort the ranges
AddressCollectionPairComparer comparer = new AddressCollectionPairComparer();
int rangeCount = ranges.Count;
for (int rangeIndex = 0; rangeIndex < rangeCount; rangeIndex++)
{
AddressRange range = ranges[rangeIndex];
AddressCollectionPair pair = new AddressCollectionPair(range, aCollection);
//
lock ( iLookupCache )
{
int pos = iLookupCache.BinarySearch(pair, comparer);
if (pos >= 0)
{
AddressCollectionPair overlapsWith = iLookupCache[pos];
System.Diagnostics.Debug.WriteLine(string.Format("Collection {0} [{1}] overlaps with existing collection: {2} [{3}]", pair.Collection.FileName, pair.Range, overlapsWith.Collection, overlapsWith.Range));
}
else
{
pos = ~pos;
iLookupCache.Insert(pos, pair);
}
}
}
}
}
}