protected virtual void VisitChildren(PtNode node)
{
foreach (var child in reflect.Or(node))
{
Dispatch(child);
}
}
protected override void VisitChildren(PtNode node)
{
var children = reflect.Or(node).ToList();
if (children.Count == 0)
{
for (var i = node.Span.Start; i < node.Span.Next; ++i)
{
Set.Add(i);
}
if (node is PtArguments ||
node is PtParameters ||
node is PtLambdaParameters ||
node is PtLambdaTypeParameters ||
node is PtFields ||
node is PtMethods ||
node is PtUnit)
{
}
else
{
var text = node.Span.ToString();
Debug.Assert(!string.IsNullOrWhiteSpace(text));
Debug.Assert(text != "(-)");
//System.Console.WriteLine($"{text}");
}
}
base.VisitChildren(node);
}
private List <PropertyInfo> GetProps(PtNode node)
{
var type = node.GetType();
if (!cache.TryGetValue(type, out var props))
{
props = GetProps(type);
cache.Add(type, props);
}
return(props);
}
public IEnumerable <PtNode> Or(PtNode node)
{
foreach (var info in GetProps(node))
{
if (typeof(PtNode).IsAssignableFrom(info.PropertyType))
{
var child = (PtNode?)info.GetValue(node);
if (child != null)
{
yield return(child);
}
}
else if (typeof(PonyTokenSpan).IsAssignableFrom(info.PropertyType))
{
}
else if (typeof(bool).IsAssignableFrom(info.PropertyType))
{
}
else if (info.PropertyType.IsEnum)
{
}
else if (typeof(IEnumerable <PtNode>).IsAssignableFrom(info.PropertyType))
{
var value = (IEnumerable <PtNode>?)info.GetValue(node);
if (value != null)
{
foreach (var child in value)
{
yield return(child);
}
}
}
else
{
Debug.Assert(false);
}
}
}
private void Dispatch(PtNode node)
{
DoVisit(node as dynamic);
}
private void DoVisit(PtNode node)
{
throw new System.NotImplementedException($"node type `{node.GetType().Name}´ not implemented");
}
public void Visit(PtNode root)
{
Dispatch(root);
}
private PonyTokenSpan Mark(PtNode node)
{
Debug.Assert(next <= limit);
Debug.Assert(marks.Count > 0);
return(new PonyTokenSpan(Tokens, node.Span.Start, next));
}