/// <summary>
/// Enumerates all nodes of the tree rooted by this node (including this node).
/// </summary>
internal IEnumerable <GreenNode> EnumerateNodes()
{
yield return(this);
Stack <Syntax.InternalSyntax.ChildSyntaxList.Enumerator> stack = new Stack <Syntax.InternalSyntax.ChildSyntaxList.Enumerator>(24);
stack.Push(this.ChildNodesAndTokens().GetEnumerator());
while (stack.Count > 0)
{
Syntax.InternalSyntax.ChildSyntaxList.Enumerator en = stack.Pop();
if (!en.MoveNext())
{
// no more down this branch
continue;
}
GreenNode current = en.Current;
stack.Push(en); // put it back on stack (struct enumerator)
yield return(current);
if (!current.IsToken)
{
// not token, so consider children
stack.Push(current.ChildNodesAndTokens().GetEnumerator());
continue;
}
}
}