public void MergeIndexes(MemoryIndex targetIndex, MemoryIndex sourceIndex)
{
if (!sourceIndex.IsPrefixOf(targetIndex) && !targetIndex.IsPrefixOf(sourceIndex))
{
MergeOperation operation = new MergeOperation(targetIndex);
operation.Add(targetIndex, targetSnapshot);
operation.Add(sourceIndex, targetSnapshot);
operation.IsRoot = true;
addOperation(operation);
arrayCount = 2;
processMerge();
}
}
/// <summary>
/// Deeply copies the specified source index into target index.
/// </summary>
/// <param name="sourceIndex">Index of the source.</param>
/// <param name="targetIndex">Index of the target.</param>
public void Copy(MemoryIndex sourceIndex, MemoryIndex targetIndex)
{
if (!sourceIndex.IsPrefixOf(targetIndex) && !targetIndex.IsPrefixOf(sourceIndex))
{
MemoryEntry entry = snapshot.Structure.GetMemoryEntry(sourceIndex);
CopyWithinSnapshotVisitor visitor = new CopyWithinSnapshotVisitor(this, targetIndex);
visitor.VisitMemoryEntry(entry);
if (isMust && visitor.GetValuesCount() == 1 && objectValues.Count == 1)
{
ObjectValueContainerBuilder objectsValues = snapshot.Structure.GetObjects(targetIndex).Builder();
ObjectValue value = objectValues.First();
objectsValues.Add(value);
snapshot.Structure.SetObjects(targetIndex, objectsValues.Build());
}
else if (objectValues.Count > 0)
{
ObjectValueContainerBuilder objectsValues = snapshot.Structure.GetObjects(targetIndex).Builder();
foreach (ObjectValue value in objectValues)
{
objectsValues.Add(value);
}
snapshot.Structure.SetObjects(targetIndex, objectsValues.Build());
}
if (!isMust)
{
visitor.AddValue(snapshot.UndefinedValue);
}
snapshot.CopyAliases(sourceIndex, targetIndex, isMust);
snapshot.Structure.SetMemoryEntry(targetIndex, visitor.GetCopiedEntry());
}
}
