VList <LNode> ApplyMacrosToList(VList <LNode> list, int maxExpansions, bool areAttributes)
{
VList <LNode> results = list;
LNode result = null;
int i, count;
bool dropRemaining = false;
// Share as much of the original VList as is left unchanged
for (i = 0, count = list.Count; i < count; i++)
{
Debug.Assert(!dropRemaining);
_s.StartListItem(list, i, areAttributes);
LNode input = list[i];
result = ApplyMacros(input, maxExpansions, false, out dropRemaining);
if (result != null || (result = input).Calls(S.Splice))
{
results = list.First(i);
Add(ref results, result);
break;
}
}
// Prepare a modified list from now on
for (i++; i < count && !dropRemaining; i++)
{
_s.StartListItem(list, i, areAttributes);
LNode input = list[i];
result = ApplyMacros(input, maxExpansions, false, out dropRemaining);
Add(ref results, result ?? input);
}
_s.IsAttribute = false;
return(results);
}
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);
}