public static bool ContainsComment(SyntaxNode node, TextSpan span)
{
ContainsCommentWalker walker = GetInstance(span);
walker.Visit(node);
bool result = walker.Result;
Free(walker);
return(result);
}
public static ContainsCommentWalker GetInstance(TextSpan span)
{
ContainsCommentWalker walker = _cachedInstance;
if (walker != null)
{
_cachedInstance = null;
walker.Result = false;
walker.Span = span;
return(walker);
}
return(new ContainsCommentWalker(span));
}
public static void Free(ContainsCommentWalker walker)
{
_cachedInstance = walker;
}