private void mergeWithEmptyAssignedArray(AssociativeArray sourceArray, AssociativeArray targetArray)
{
// Get descriptors
IArrayDescriptor sourceDescriptor = Worker.Structure.GetDescriptor(sourceArray);
IArrayDescriptorBuilder targetDescriptorBuilder = Worker.Structure.GetDescriptor(targetArray).Builder(Worker.Structure);
// Create child index and merge with empty node
foreach (var item in sourceDescriptor.Indexes)
{
string name = item.Key;
MemoryIndex index = item.Value;
MemoryIndex createdIndex = TargetIndex.CreateIndex(name);
targetDescriptorBuilder.AddIndex(name, createdIndex);
Worker.AddOperation(new UnknownIndexMayAssign(Worker, index, createdIndex, MemoryEntryCollectorNode.GetEmptyNode(Worker.Snapshot)));
}
// Merge unknown index with empty node (unknown index was created in array initialization - scip new array)
UnknownIndexMayAssign toUnknownAssignOperation = new UnknownIndexMayAssign(Worker, sourceDescriptor.UnknownIndex,
targetDescriptorBuilder.UnknownIndex, MemoryEntryCollectorNode.GetEmptyNode(Worker.Snapshot));
toUnknownAssignOperation.CreateNewIndex = false;
Worker.AddOperation(toUnknownAssignOperation);
// Build and set modified target descriptor
Worker.Structure.SetDescriptor(targetArray, targetDescriptorBuilder.Build(Worker.Structure));
}
private void mergeWithAssignedArray(AssociativeArray sourceArray, AssociativeArray targetArray)
{
// Get descriptors
IArrayDescriptor sourceDescriptor = Worker.Structure.GetDescriptor(sourceArray);
IArrayDescriptorBuilder targetDescriptorBuilder = Worker.Structure.GetDescriptor(targetArray).Builder(Worker.Structure);
// Iterate source indexes which are not present in node
foreach (var item in sourceDescriptor.Indexes)
{
string name = item.Key;
MemoryIndex index = item.Value;
if (!Node.NamedChildren.ContainsKey(name))
{
// Index is present in source but not in node
MemoryIndex createdIndex = TargetIndex.CreateIndex(name);
targetDescriptorBuilder.AddIndex(name, createdIndex);
Worker.AddOperation(new UnknownIndexMayAssign(Worker, index, createdIndex, MemoryEntryCollectorNode.GetEmptyNode(Worker.Snapshot)));
}
}
// Iterate all child nodes
foreach (var item in Node.NamedChildren)
{
string name = item.Key;
MemoryEntryCollectorNode node = item.Value;
if (sourceDescriptor.ContainsIndex(name))
{
// Index is present in source and node
MemoryIndex createdIndex = TargetIndex.CreateIndex(name);
targetDescriptorBuilder.AddIndex(name, createdIndex);
Worker.AddOperation(new UnknownIndexMayAssign(Worker, sourceDescriptor.GetIndex(name), createdIndex, node));
}
else
{
// Index is present in node but not in source
MemoryIndex createdIndex = TargetIndex.CreateIndex(name);
targetDescriptorBuilder.AddIndex(name, createdIndex);
Worker.AddOperation(new UnknownIndexMayAssign(Worker, sourceDescriptor.UnknownIndex, createdIndex, node));
}
}
// Merge unknown index with unknown node (unknown index was created in array initialization - scip new array)
UnknownIndexMayAssign toUnknownAssignOperation = new UnknownIndexMayAssign(Worker, sourceDescriptor.UnknownIndex,
targetDescriptorBuilder.UnknownIndex, Node.AnyChild);
toUnknownAssignOperation.CreateNewIndex = false;
Worker.AddOperation(toUnknownAssignOperation);
// Build and set modified target descriptor
Worker.Structure.SetDescriptor(targetArray, targetDescriptorBuilder.Build(Worker.Structure));
}
private void mergeWithAssignedArray(AssociativeArray arrayValue)
{
// Get descriptors
IArrayDescriptor descriptor = Worker.Structure.GetDescriptor(arrayValue);
IArrayDescriptorBuilder builder = Worker.Structure.GetDescriptor(arrayValue).Builder(Worker.Structure);
// Iterate source indexes which are not present in node
List <string> namesToRemove = new List <string>();
foreach (var item in descriptor.Indexes)
{
string name = item.Key;
MemoryIndex index = item.Value;
if (!Node.NamedChildren.ContainsKey(name))
{
// Index is present in source but not in node
Worker.AddOperation(new MemoryIndexDeleteAssignOperation(Worker, index));
namesToRemove.Add(name);
}
}
// Safely removes nodes which are no longer used (prevents changes in lazy builder)
foreach (string name in namesToRemove)
{
builder.RemoveIndex(name);
}
// Iterate all child nodes
foreach (var item in Node.NamedChildren)
{
string name = item.Key;
MemoryEntryCollectorNode node = item.Value;
if (descriptor.ContainsIndex(name))
{
// Index is present in source and node
Worker.AddOperation(new MemoryIndexMustAssignOperation(Worker, descriptor.GetIndex(name), node));
}
else
{
// Index is present in node but not in source
MemoryIndex createdIndex = TargetIndex.CreateIndex(name);
builder.AddIndex(name, createdIndex);
Worker.AddOperation(new UndefinedMustAssignOperation(Worker, createdIndex, node));
}
}
// Merge unknown index with unknown node (unknown index was created in array initialization - scip new array)
Worker.AddOperation(new MemoryIndexMustAssignOperation(Worker, descriptor.UnknownIndex, Node.AnyChild));
// Build and set modified target descriptor
Worker.Structure.SetDescriptor(arrayValue, builder.Build(Worker.Structure));
}
/// <summary>
/// Gets the current descriptor.
/// </summary>
/// <returns>Descriptor</returns>
public IArrayDescriptor getCurrentDescriptor()
{
if (builder == null)
{
return(arrayDescriptor);
}
else
{
return(builder.Build(strucure));
}
}
/// <summary>
/// Prepares operation for every descendant index and merge the array into one which will be
/// stored in the target memory entry.
/// </summary>
/// <param name="operation">The operation.</param>
/// <returns>Array where the input arrays is merged into.</returns>
private Value mergeArrays(MergeOperation operation)
{
var structure = writeableStrucure;
IArrayDescriptorBuilder builder = Factories.StructuralContainersFactories.ArrayDescriptorFactory.CreateArrayDescriptor(writeableStrucure, null, operation.TargetIndex).Builder(structure);
builder.SetUnknownIndex(operation.TargetIndex.CreateUnknownIndex());
ContainerOperations collectVariables = new ContainerOperations(this, builder, operation.TargetIndex, builder.UnknownIndex);
// Collecting possible indexes of merged array
AssociativeArray targetArray = null;
foreach (var operationData in operation.Indexes)
{
MemoryIndex index = operationData.Item1;
Snapshot snapshot = operationData.Item2;
AssociativeArray arrayValue;
if (snapshot.Structure.Readonly.TryGetArray(index, out arrayValue))
{
// Target array value will be the firs one
if (targetArray == null)
{
if (index.Equals(operation.TargetIndex))
{
targetArray = arrayValue;
}
}
IArrayDescriptor descriptor = snapshot.Structure.Readonly.GetDescriptor(arrayValue);
collectVariables.CollectIndexes(snapshot, index, descriptor);
}
else
{
collectVariables.SetUndefined();
}
}
if (targetArray == null)
{
targetArray = targetSnapshot.CreateArray();
}
builder.SetArrayValue(targetArray);
collectVariables.MergeContainers();
structure.SetArray(operation.TargetIndex, targetArray);
structure.SetDescriptor(targetArray, builder.Build(structure));
return(targetArray);
}
/// <summary>
/// Creates the assigned array.
/// </summary>
/// <returns>New array which should be inserted into the node.</returns>
protected AssociativeArray createAssignedArray()
{
// Creates new empty array
AssociativeArray arrayValue = Worker.Snapshot.CreateArray(TargetIndex);
IArrayDescriptorBuilder builder = Worker.Structure.GetDescriptor(arrayValue).Builder(Worker.Structure);
// Adds nodes children into array
foreach (var item in Node.NamedChildren)
{
string name = item.Key;
MemoryEntryCollectorNode node = item.Value;
MemoryIndex childIndex = TargetIndex.CreateIndex(name);
builder.AddIndex(name, childIndex);
Worker.AddOperation(prepareOperationToIndexOfCreatedArray(childIndex, node));
}
Worker.AddOperation(prepareOperationToUnknownOfCreatedArray(builder.UnknownIndex, Node.AnyChild));
// Sets the updated descriptor
Worker.Structure.SetDescriptor(arrayValue, builder.Build(Worker.Structure));
return(arrayValue);
}
/// <summary>
/// Tests the and create undefined children.
/// </summary>
/// <param name="node">The node.</param>
private void testAndCreateUndefinedChildren(MemoryCollectorNode node)
{
if (node.HasUndefinedChildren)
{
AssociativeArray arrayValue = Structure.GetArray(node.TargetIndex);
IArrayDescriptor oldDescriptor = Structure.GetDescriptor(arrayValue);
IArrayDescriptorBuilder builder = oldDescriptor.Builder(Structure);
foreach (var newChild in node.UndefinedChildren)
{
string childName = newChild.Item1;
MemoryCollectorNode childNode = newChild.Item2;
MemoryIndex index = node.TargetIndex.CreateIndex(childName);
childNode.TargetIndex = index;
builder.AddIndex(childName, index);
}
IArrayDescriptor newDescriptor = builder.Build(Structure);
Structure.SetDescriptor(arrayValue, newDescriptor);
}
}