/// <summary>
/// Called when the walker walks into a node.
/// </summary>
/// <param name="node"></param>
protected override void DefaultVisit(LuaSyntaxNode node)
{
foreach (var child in node.ChildNodesAndTokens())
{
if (child.IsToken)
{
if (Depth >= SyntaxWalkerDepth.Token)
{
Visit((SyntaxToken)child);
}
}
else
{
if (Depth >= SyntaxWalkerDepth.Node)
{
Visit((LuaSyntaxNode)child);
}
}
}
}
private IEnumerable <SyntaxNodeOrToken> EnumerateNodes(LuaSyntaxNode node, bool dump)
{
Print(node, dump);
yield return(node);
var stack = new Stack <ChildSyntaxList.Enumerator>(24);
stack.Push(node.ChildNodesAndTokens().GetEnumerator());
Open(dump);
while (stack.Count > 0)
{
var en = stack.Pop();
if (!en.MoveNext())
{
// no more down this branch
Close(dump);
continue;
}
var current = en.Current;
stack.Push(en); // put it back on stack (struct enumerator)
Print(current, dump);
yield return(current);
if (current.IsNode)
{
// not token, so consider children
stack.Push(current.ChildNodesAndTokens().GetEnumerator());
Open(dump);
continue;
}
}
Done(dump);
}