// Puts contents of a #splice into NodeQueue and returns the first item of the splice.
public LNode EnqueueSplice(VList <LNode> spliced, int maxExpansionsInner, int maxExpansions)
{
//Debug.Assert(!IsTarget); should be true except that IsTarget may not have been set yet
MaybeCreateNodeQueue(maxExpansions, ref NodeQueue);
// Enqueue spliced items
foreach (var item in spliced.ToFVList())
{
NodeQueue.PushFirst(Pair.Create(item, maxExpansionsInner));
}
return(NodeQueue.PopFirst().A);
}
VList <LNode> ApplyMacrosToList(VList <LNode> list, int maxExpansions, bool areAttributes)
{
DList <Pair <LNode, int> > nodeQueue = null;
VList <LNode> results;
LNode result = null;
// Share as much of the original VList as is left unchanged
for (int i = 0, count = list.Count;; ++i)
{
if (i >= count)
{
return(list); // Entire list did not change
}
_s.StartListItem(list, i, areAttributes);
LNode input = list[i];
result = ApplyMacros(input, maxExpansions, false, false, ref nodeQueue);
if (result != null)
{
results = list.First(i);
Add(ref results, result);
// restore possibly-clobbered state
_s.StartListItem(list, i, areAttributes);
_s.MaybeCreateNodeQueue(maxExpansions, ref nodeQueue);
break;
}
}
// The rest of the list is in _s.NodeQueue. Process that.
while (!nodeQueue.IsEmpty)
{
_s.StartListItem(LNode.List(), 0, areAttributes);
Pair <LNode, int> input2 = nodeQueue.PopFirst();
result = ApplyMacros(input2.A, input2.B, false, false, ref nodeQueue);
Add(ref results, result ?? input2.A);
}
_s.NodeQueue = null;
return(results);
}
