public bool MoveNext()
{
if (_status == ParseTreeEnumeratorState.Done)
{
return(false);
}
if (_forestRoot.NodeType == ForestNodeType.Intermediate)
{
_visitor.Visit(_forestRoot as IIntermediateForestNode);
}
else if (_forestRoot.NodeType == ForestNodeType.Symbol)
{
_visitor.Visit(_forestRoot as ISymbolForestNode);
}
if (_visitor.Root is null)
{
_status = ParseTreeEnumeratorState.Done;
return(false);
}
_status = ParseTreeEnumeratorState.Current;
return(true);
}
public ParseTreeEnumerator(
IInternalForestNode forestRoot)
{
_forestRoot = forestRoot;
_status = ParseTreeEnumeratorState.New;
_visitor = new ForestNodeVisitorImpl();
}
public ParseTreeEnumerator(
IInternalForestNode forestRoot)
{
_forestRoot = forestRoot;
_status = ParseTreeEnumeratorState.New;
_visitor = new ForestNodeVisitorImpl();
}
public void Reset()
{
_status = ParseTreeEnumeratorState.New;
_visitor.Reset();
}
public void Reset()
{
_status = ParseTreeEnumeratorState.New;
_visitor.Reset();
}
public bool MoveNext()
{
if (_status == ParseTreeEnumeratorState.Done)
return false;
if (_forestRoot.NodeType == ForestNodeType.Intermediate)
_visitor.Visit(_forestRoot as IIntermediateForestNode);
else if (_forestRoot.NodeType == ForestNodeType.Symbol)
_visitor.Visit(_forestRoot as ISymbolForestNode);
if (_visitor.Root == null)
{ _status = ParseTreeEnumeratorState.Done;
return false;
}
_status = ParseTreeEnumeratorState.Current;
return true;
}