public void VisitUndefinedCollectorNode(UndefinedCollectorNode node)
{
if (node.IsCollected)
{
collectUndefinedCollectorNode(node);
}
else
{
continueUndefinedCollectorNode(node);
}
}
protected override void collectUndefinedCollectorNode(UndefinedCollectorNode node)
{
PathModifications.GetOrCreateModification(node.TargetIndex).SetCollectedIndex();
if (node.IsMust || ForceStrongWrite)
{
AddOperation(new UndefinedMustAssignOperation(this, node.TargetIndex, memoryEntryCollector.RootNode, AssignAliasesIntoCollectedIndexes));
}
else
{
AddOperation(new UndefinedMayAssignOperation(this, node.TargetIndex, memoryEntryCollector.RootNode, AssignAliasesIntoCollectedIndexes));
}
}
/// <summary>
/// Continues the undefined collector node.
/// </summary>
/// <param name="node">The node.</param>
protected void continueUndefinedCollectorNode(UndefinedCollectorNode node)
{
Structure.NewIndex(node.TargetIndex);
HashSet <Value> values = new HashSet <Value>();
testAndCreateImplicitArray(node, values);
testAndCreateImplicitObject(node, values);
testAndCreateUndefinedChildren(node);
if (!node.IsMust)
{
values.Add(Snapshot.UndefinedValue);
}
Data.SetMemoryEntry(node.TargetIndex, Snapshot.CreateMemoryEntry(values));
enqueueLocationChildNodes(node);
}
/// <summary> /// Perform custom assign operation on undefined node. /// </summary> /// <param name="node">The node.</param> protected abstract void collectUndefinedCollectorNode(UndefinedCollectorNode node);
protected override void collectUndefinedCollectorNode(UndefinedCollectorNode node)
{
storeAliasIndex(node);
continueUndefinedCollectorNode(node);
}
