public object GetPrimary()
{
object primary;
DependentHandle.nGetPrimary(this._handle, out primary);
return(primary);
}
public DependentHandle(object primary, object secondary)
{
IntPtr dependentHandle = (IntPtr)0;
DependentHandle.nInitialize(primary, secondary, out dependentHandle);
this._handle = dependentHandle;
}
public object GetPrimary()
{
object result;
DependentHandle.nGetPrimary(this._handle, out result);
return(result);
}
private void Resize()
{
int num2;
int length = this._buckets.Length;
bool flag = false;
for (num2 = 0; num2 < this._entries.Length; num2++)
{
if (this._entries[num2].depHnd.IsAllocated && (this._entries[num2].depHnd.GetPrimary() == null))
{
flag = true;
break;
}
}
if (!flag)
{
length = HashHelpers.GetPrime((this._buckets.Length == 0) ? 6 : (this._buckets.Length * 2));
}
int num3 = -1;
int[] numArray = new int[length];
for (int i = 0; i < length; i++)
{
numArray[i] = -1;
}
Entry <TKey, TValue>[] entryArray = new Entry <TKey, TValue> [length];
num2 = 0;
while (num2 < this._entries.Length)
{
DependentHandle depHnd = this._entries[num2].depHnd;
if (depHnd.IsAllocated && (depHnd.GetPrimary() != null))
{
int index = this._entries[num2].hashCode % length;
entryArray[num2].depHnd = depHnd;
entryArray[num2].hashCode = this._entries[num2].hashCode;
entryArray[num2].next = numArray[index];
numArray[index] = num2;
}
else
{
this._entries[num2].depHnd.Free();
entryArray[num2].depHnd = new DependentHandle();
entryArray[num2].next = num3;
num3 = num2;
}
num2++;
}
while (num2 != entryArray.Length)
{
entryArray[num2].depHnd = new DependentHandle();
entryArray[num2].next = num3;
num3 = num2;
num2++;
}
this._buckets = numArray;
this._entries = entryArray;
this._freeList = num3;
}
public void Free()
{
if (this._handle != (IntPtr)0)
{
IntPtr handle = this._handle;
this._handle = (IntPtr)0;
DependentHandle.nFree(handle);
}
}
private void Resize()
{
int num = this._buckets.Length;
bool flag = false;
int i;
for (i = 0; i < this._entries.Length; i++)
{
if (this._entries[i].depHnd.IsAllocated && this._entries[i].depHnd.GetPrimary() == null)
{
flag = true;
break;
}
}
if (!flag)
{
num = HashHelpers.GetPrime((this._buckets.Length == 0) ? 6 : (this._buckets.Length * 2));
}
int num2 = -1;
int[] array = new int[num];
for (int j = 0; j < num; j++)
{
array[j] = -1;
}
ConditionalWeakTable <TKey, TValue> .Entry[] array2 = new ConditionalWeakTable <TKey, TValue> .Entry[num];
for (i = 0; i < this._entries.Length; i++)
{
DependentHandle depHnd = this._entries[i].depHnd;
if (depHnd.IsAllocated && depHnd.GetPrimary() != null)
{
int num3 = this._entries[i].hashCode % num;
array2[i].depHnd = depHnd;
array2[i].hashCode = this._entries[i].hashCode;
array2[i].next = array[num3];
array[num3] = i;
}
else
{
this._entries[i].depHnd.Free();
array2[i].depHnd = default(DependentHandle);
array2[i].next = num2;
num2 = i;
}
}
while (i != array2.Length)
{
array2[i].depHnd = default(DependentHandle);
array2[i].next = num2;
num2 = i;
i++;
}
this._buckets = array;
this._entries = array2;
this._freeList = num2;
}
private void Resize()
{
int length = this._buckets.Length;
bool flag = false;
for (int index = 0; index < this._entries.Length; ++index)
{
if (this._entries[index].depHnd.IsAllocated && this._entries[index].depHnd.GetPrimary() == null)
{
flag = true;
break;
}
}
if (!flag)
{
length = HashHelpers.GetPrime(this._buckets.Length == 0 ? 6 : this._buckets.Length * 2);
}
int num = -1;
int[] numArray = new int[length];
for (int index = 0; index < length; ++index)
{
numArray[index] = -1;
}
ConditionalWeakTable <TKey, TValue> .Entry[] entryArray = new ConditionalWeakTable <TKey, TValue> .Entry[length];
int index1;
for (index1 = 0; index1 < this._entries.Length; ++index1)
{
DependentHandle dependentHandle = this._entries[index1].depHnd;
if (dependentHandle.IsAllocated && dependentHandle.GetPrimary() != null)
{
int index2 = this._entries[index1].hashCode % length;
entryArray[index1].depHnd = dependentHandle;
entryArray[index1].hashCode = this._entries[index1].hashCode;
entryArray[index1].next = numArray[index2];
numArray[index2] = index1;
}
else
{
this._entries[index1].depHnd.Free();
entryArray[index1].depHnd = new DependentHandle();
entryArray[index1].next = num;
num = index1;
}
}
for (; index1 != entryArray.Length; ++index1)
{
entryArray[index1].depHnd = new DependentHandle();
entryArray[index1].next = num;
num = index1;
}
this._buckets = numArray;
this._entries = entryArray;
this._freeList = num;
}
public void Free()
{
if (!(this._handle != (IntPtr)0))
{
return;
}
IntPtr dependentHandle = this._handle;
this._handle = (IntPtr)0;
DependentHandle.nFree(dependentHandle);
}
internal Container Resize(int newSize)
{
Debug.Assert(IsPowerOfTwo(newSize));
// Reallocate both buckets and entries and rebuild the bucket and entries from scratch.
// This serves both to scrub entries with expired keys and to put the new entries in the proper bucket.
int[] newBuckets = new int[newSize];
for (int bucketIndex = 0; bucketIndex < newSize; bucketIndex++)
{
newBuckets[bucketIndex] = -1;
}
Entry[] newEntries = new Entry[newSize];
int newEntriesIndex = 0;
// Migrate existing entries to the new table.
for (int entriesIndex = 0; entriesIndex < _entries.Length; entriesIndex++)
{
int hashCode = _entries[entriesIndex].HashCode;
DependentHandle depHnd = _entries[entriesIndex].depHnd;
if (hashCode != -1 && depHnd.IsAllocated)
{
object primary, secondary;
depHnd.GetPrimaryAndSecondary(out primary, out secondary);
if (primary != null)
{
// Entry is used and has not expired. Link it into the appropriate bucket list.
newEntries[newEntriesIndex].HashCode = hashCode;
newEntries[newEntriesIndex].depHnd = depHnd;
int bucket = hashCode & (newBuckets.Length - 1);
newEntries[newEntriesIndex].Next = newBuckets[bucket];
newBuckets[bucket] = newEntriesIndex;
newEntriesIndex++;
}
else
{
// Pretend the item was removed, so that this container's finalizer
// will clean up this dependent handle.
Volatile.Write(ref _entries[entriesIndex].HashCode, -1);
}
}
}
// Create the new container. We want to transfer the responsibility of freeing the handles from
// the old container to the new container, and also ensure that the new container isn't finalized
// while the old container may still be in use. As such, we store a reference from the old container
// to the new one, which will keep the new container alive as long as the old one is.
var newContainer = new Container(_parent, newBuckets, newEntries, newEntriesIndex);
_oldKeepAlive = newContainer; // once this is set, the old container's finalizer will not free transferred dependent handles
GC.KeepAlive(this); // ensure we don't get finalized while accessing DependentHandles.
return(newContainer);
}
internal Container Resize(int newSize)
{
Debug.Assert(IsPowerOfTwo(newSize));
// Reallocate both buckets and entries and rebuild the bucket and entries from scratch.
// This serves both to scrub entries with expired keys and to put the new entries in the proper bucket.
int[] newBuckets = new int[newSize];
for (int bucketIndex = 0; bucketIndex < newSize; bucketIndex++)
{
newBuckets[bucketIndex] = -1;
}
Entry[] newEntries = new Entry[newSize];
int newEntriesIndex = 0;
// Migrate existing entries to the new table.
for (int entriesIndex = 0; entriesIndex < _entries.Length; entriesIndex++)
{
int hashCode = _entries[entriesIndex].hashCode;
DependentHandle depHnd = _entries[entriesIndex].depHnd;
if (hashCode != -1 && depHnd.IsAllocated && depHnd.GetPrimary() != null)
{
// Entry is used and has not expired. Link it into the appropriate bucket list.
// Note that we have to copy the DependentHandle, since the original copy will be freed
// by the Container's finalizer.
newEntries[newEntriesIndex].hashCode = hashCode;
newEntries[newEntriesIndex].depHnd = depHnd.AllocateCopy();
int bucket = hashCode & (newBuckets.Length - 1);
newEntries[newEntriesIndex].next = newBuckets[bucket];
newBuckets[bucket] = newEntriesIndex;
newEntriesIndex++;
}
}
GC.KeepAlive(this); // ensure we don't get finalized while accessing DependentHandles.
return(new Container(newBuckets, newEntries, newEntriesIndex));
}
private void Resize()
{
// Start by assuming we won't resize.
int newSize = _buckets.Length;
// If any expired keys exist, we won't resize.
bool hasExpiredEntries = false;
int entriesIndex;
for (entriesIndex = 0; entriesIndex < _entries.Length; entriesIndex++)
{
if (_entries[entriesIndex].depHnd.IsAllocated && _entries[entriesIndex].depHnd.GetPrimary() == null)
{
hasExpiredEntries = true;
break;
}
}
if (!hasExpiredEntries)
{
newSize = System.Collections.HashHelpers.GetPrime(_buckets.Length == 0 ? _initialCapacity + 1 : _buckets.Length * 2);
}
// Reallocate both buckets and entries and rebuild the bucket and freelists from scratch.
// This serves both to scrub entries with expired keys and to put the new entries in the proper bucket.
int newFreeList = -1;
int[] newBuckets = new int[newSize];
for (int bucketIndex = 0; bucketIndex < newSize; bucketIndex++)
{
newBuckets[bucketIndex] = -1;
}
Entry[] newEntries = new Entry[newSize];
// Migrate existing entries to the new table.
for (entriesIndex = 0; entriesIndex < _entries.Length; entriesIndex++)
{
DependentHandle depHnd = _entries[entriesIndex].depHnd;
if (depHnd.IsAllocated && depHnd.GetPrimary() != null)
{
// Entry is used and has not expired. Link it into the appropriate bucket list.
int bucket = _entries[entriesIndex].hashCode % newSize;
newEntries[entriesIndex].depHnd = depHnd;
newEntries[entriesIndex].hashCode = _entries[entriesIndex].hashCode;
newEntries[entriesIndex].next = newBuckets[bucket];
newBuckets[bucket] = entriesIndex;
}
else
{
// Entry has either expired or was on the freelist to begin with. Either way
// insert it on the new freelist.
_entries[entriesIndex].depHnd.Free();
newEntries[entriesIndex].depHnd = new DependentHandle();
newEntries[entriesIndex].next = newFreeList;
newFreeList = entriesIndex;
}
}
// Add remaining entries to freelist.
while (entriesIndex != newEntries.Length)
{
newEntries[entriesIndex].depHnd = new DependentHandle();
newEntries[entriesIndex].next = newFreeList;
newFreeList = entriesIndex;
entriesIndex++;
}
_buckets = newBuckets;
_entries = newEntries;
_freeList = newFreeList;
}
internal Container Resize()
{
// Start by assuming we won't resize.
int newSize = _buckets.Length;
// If any expired or removed keys exist, we won't resize.
bool hasExpiredEntries = false;
int entriesIndex;
for (entriesIndex = 0; entriesIndex < _entries.Length; entriesIndex++)
{
if (_entries[entriesIndex].hashCode == -1)
{
// the entry was removed
hasExpiredEntries = true;
break;
}
if (_entries[entriesIndex].depHnd.IsAllocated && _entries[entriesIndex].depHnd.GetPrimary() == null)
{
// the entry has expired
hasExpiredEntries = true;
break;
}
}
if (!hasExpiredEntries)
{
newSize = System.Collections.HashHelpers.GetPrime(_buckets.Length == 0 ? _initialCapacity + 1 : _buckets.Length * 2);
}
// Reallocate both buckets and entries and rebuild the bucket and freelists from scratch.
// This serves both to scrub entries with expired keys and to put the new entries in the proper bucket.
int newFreeList = -1;
int[] newBuckets = new int[newSize];
for (int bucketIndex = 0; bucketIndex < newSize; bucketIndex++)
{
newBuckets[bucketIndex] = -1;
}
Entry[] newEntries = new Entry[newSize];
// Migrate existing entries to the new table.
for (entriesIndex = 0; entriesIndex < _entries.Length; entriesIndex++)
{
DependentHandle depHnd = _entries[entriesIndex].depHnd;
if (_entries[entriesIndex].hashCode != -1 && depHnd.IsAllocated && depHnd.GetPrimary() != null)
{
// Entry is used and has not expired. Link it into the appropriate bucket list.
// Note that we have to copy the DependentHandle, since the original copy will be freed
// by the Container's finalizer.
int bucket = _entries[entriesIndex].hashCode % newSize;
newEntries[entriesIndex].depHnd = depHnd.AllocateCopy();
newEntries[entriesIndex].hashCode = _entries[entriesIndex].hashCode;
newEntries[entriesIndex].next = newBuckets[bucket];
newBuckets[bucket] = entriesIndex;
}
else
{
// Entry has either expired or was on the freelist to begin with. Either way
// insert it on the new freelist.
// We do not free the underlying GC handle here, as we may be racing with readers who already saw
// the old Container. The GC handle will be free'd in Container's finalizer.
newEntries[entriesIndex].depHnd = new DependentHandle();
newEntries[entriesIndex].next = newFreeList;
newFreeList = entriesIndex;
}
}
// Add remaining entries to freelist.
while (entriesIndex != newEntries.Length)
{
newEntries[entriesIndex].depHnd = new DependentHandle();
newEntries[entriesIndex].next = newFreeList;
newFreeList = entriesIndex;
entriesIndex++;
}
GC.KeepAlive(this); // ensure we don't get finalized while accessing DependentHandles.
return(new Container()
{
_buckets = newBuckets,
_entries = newEntries,
_freeList = newFreeList
});
}
public void GetPrimaryAndSecondary(out object primary, out object secondary)
{
DependentHandle.nGetPrimaryAndSecondary(this._handle, out primary, out secondary);
}
