private IList<IBooParseTreeNode> FlattenDown(IList<IBooParseTreeNode> nodes)
{
BooParseTreeNodeList flattened = new IntellisenseNodeList();
foreach (IBooParseTreeNode node in nodes)
{
flattened.Add(node);
flattened.AddRange(FlattenDown(node.Children));
}
return flattened;
}
public BooParseTreeNodeList FlattenFrom(IBooParseTreeNode node)
{
BooParseTreeNodeList flattened = new IntellisenseNodeList();
// add anything "below" the scope (e.g. locals in a method, methods in a class)
flattened.AddRange(FlattenDown(node.Children));
// add anything "above" the scope (e.g. classes in a method)
// also walks sideways (e.g. other methods in same class if scope is a method)
flattened.AddRange(FlattenUp(node));
return flattened;
}
private IList<IBooParseTreeNode> FlattenUp(IBooParseTreeNode node)
{
IList<IBooParseTreeNode> flattened = new IntellisenseNodeList();
IBooParseTreeNode parent = node;
while ((parent = parent.Parent) != null)
{
foreach (IBooParseTreeNode sibling in parent.Children)
{
flattened.Add(sibling);
}
flattened.Add(parent);
}
return flattened;
}