public TNode this[int index]
{
get
{
if (_node == null)
{
return(null);
}
else if (_node.IsList)
{
Debug.Assert(index >= 0);
Debug.Assert(index <= _node.SlotCount);
return((TNode)_node.GetSlot(index));
}
else if (index == 0)
{
return((TNode)_node);
}
else
{
throw ExceptionUtilities.Unreachable;
}
}
}
public void Add(CSharpSyntaxNode item)
{
if (item == null)
{
return;
}
if (item.IsList)
{
int slotCount = item.SlotCount;
// Necessary, but not sufficient (e.g. for nested lists).
EnsureAdditionalCapacity(slotCount);
for (int i = 0; i < slotCount; i++)
{
this.Add((CSharpSyntaxNode)item.GetSlot(i));
}
}
else
{
EnsureAdditionalCapacity(1);
_nodes[Count++].Value = item;
}
}
private void VisitChildren(Syntax.InternalSyntax.CSharpSyntaxNode node)
{
var childCnt = node.SlotCount;
for (int i = 0; i < childCnt; i++)
{
var child = node.GetSlot(i);
if (child != null && child.SlotCount != 0)
{
if (child.IsList)
{
VisitChildren((Syntax.InternalSyntax.CSharpSyntaxNode)child);
}
else
{
((Syntax.InternalSyntax.CSharpSyntaxNode)child).Accept(this);
}
}
}
}
