private IEnumerable<Microsoft.CodeAnalysis.CodeActions.CodeIssue> GetIssuesInternal(IEnumerable<ClousotOutput> results, CompilationUnitSyntax compilationUnitDeclaration)
    {
      IEnumerator<ClousotOutput> enumerator;

      try
      {
        enumerator = results.GetEnumerator();
      }
      catch
      {
        yield break;
      }

      bool hasNext;

      try
      {
        hasNext = enumerator.MoveNext();
      }
      catch
      {
        yield break;
      }

      while (hasNext)
      {
        var result = enumerator.Current;
        
        //foreach (var result in results )
        {
          var msg = result.Message;
          var span = result.Span;
          var action = result.action;
          if (span.IsEmpty)
          {
            msg = "Unknown location: " + msg;
            span = compilationUnitDeclaration.GetFirstToken().Span;
          }
          if (action == null)
            yield return new Microsoft.CodeAnalysis.CodeActions.CodeIssue(Microsoft.CodeAnalysis.CodeActions.CodeIssueKind.Warning, span, msg);
          else
            yield return new Microsoft.CodeAnalysis.CodeActions.CodeIssue(Microsoft.CodeAnalysis.CodeActions.CodeIssueKind.Warning, span, msg, action);
        }
        try
        {
          hasNext = enumerator.MoveNext();
        }
        catch
        {
          yield break;
        }
      }
    }