To get a trial key
fill out the form below
Team License (a basic version)
Enterprise License (extended version)
* By clicking this button you agree to our Privacy Policy statement

Request our prices
New License
License Renewal
--Select currency--
USD
EUR
GBP
RUB
* By clicking this button you agree to our Privacy Policy statement

Free PVS-Studio license for Microsoft MVP specialists
* By clicking this button you agree to our Privacy Policy statement

To get the licence for your open-source project, please fill out this form
* By clicking this button you agree to our Privacy Policy statement

I am interested to try it on the platforms:
* By clicking this button you agree to our Privacy Policy statement

Message submitted.

Your message has been sent. We will email you at


If you haven't received our response, please do the following:
check your Spam/Junk folder and click the "Not Spam" button for our message.
This way, you won't miss messages from our team in the future.

>
>
>
Examples of errors detected by the V302…

Examples of errors detected by the V3020 diagnostic

V3020. An unconditional 'break/continue/return/goto' within a loop.


.NET Core Libraries (CoreFX)

V3020 An unconditional 'return' within a loop. Enumerable.cs 517


public override bool MoveNext()
{
  switch (state)
  {
    case 1:
      _enumerator = _source.GetEnumerator();
      state = 2;
      goto case 2;
    case 2:
      while (_enumerator.MoveNext())
      {
        current = _selector(_enumerator.Current);
        return true;
      }
      Dispose();
      break;
  }
  return false;
}

Similar errors can be found in some other places:

  • V3020 An unconditional 'return' within a loop. JsonDataContract.cs 128

Space Engineers

V3020 An unconditional 'continue' within a loop. Sandbox.Game MyRenderComponentThrust.cs 109


public override void Draw()
{
  ....
  foreach (var flame in m_thrust.Flames)
  {
     if (m_thrust.CubeGrid.Physics == null)
      continue;
    ....
    if (m_landingEffect != null)
    {
      m_landingEffect.Stop(true);
      m_landingEffect = null;
      --m_landingEffectCount;
    }
    continue;                    // <=
    ....
    if (m_landingEffect == null)
      continue;
    ....
  }
}

FlashDevelop

V3020 An unconditional 'break' within a loop. AirWizard.cs 1760


private void ExtensionBrowseButton_Click(....)
{
  ....
  foreach (var existingExtension in _extensions)
  {
    if (existingExtension.ExtensionId
      == extensionId) extension = existingExtension;
  break;
  }
  ....
}

Mono

V3020 An unconditional 'throw' within a loop. System.Data.Linq-net_4_x XmlMappingSource.cs 180


public void ReadEmptyContent(XmlReader r, string name)
{
  ....
  for (r.MoveToContent();
         r.NodeType != XmlNodeType.EndElement;
           r.MoveToContent())
  {
    if (r.NamespaceURI != DbmlNamespace)
      r.Skip();
    throw UnexpectedItemError(r); // <=
  }
  ....
}

Media Portal 2

V3020 An unconditional 'break' within a loop. XmlCacheProvider.cs 433


public TvdbSeries LoadSeriesFromCache(int seriesId)
{
  ....
  foreach (TvdbEpisode e in series.Episodes.Where(....))
  {
    if (epImageFile.Contains("thumb"))
      e.Banner.LoadThumb(Image.FromFile(epImageFile));
    else
      e.Banner.LoadBanner(Image.FromFile(epImageFile));
    break;
  }
  ....
}

Unity C# reference source code

V3020 CWE-670 An unconditional 'return' within a loop. PolygonCollider2DEditor.cs 96


private void HandleDragAndDrop(Rect targetRect)
{
  ....
  foreach (....)
  {
    ....
    if (....)
    {
      ....
    }
    return;
  }
  ....
}

Infer.NET

V3020 An unconditional 'break' within a loop. Compiler DefaultFactorManager.cs 474


private static Set<StochasticityPattern>
  IntersectPatterns(IEnumerable<StochasticityPattern> patterns)
{
  Set<StochasticityPattern> result = new Set<StochasticityPattern>();
  result.AddRange(patterns);
  bool changed;
  do
  {
    int count = result.Count;
    AddIntersections(result);
    changed = (result.Count != count);
    break;
  } while (changed);
  return result;
}

Similar errors can be found in some other places:

  • V3020 An unconditional 'break' within a loop. Visualizers.Windows FactorManagerView.cs 350

FastReport

V3020 An unconditional 'return' within a loop. CodeUtils.cs 262


public static string GetExpression(FindTextArgs args, bool skipStrings)
{
  while (args.StartIndex < args.Text.Length)
  {
    if (!FindMatchingBrackets(args, skipStrings))
      break;
    return args.FoundText;
  }
  return "";
}

Telerik UI for UWP

V3020 An unconditional 'break' within a loop. NodePool.cs 189


public IEnumerable<KeyValuePair<int, List<T>>> GetUnfrozenDisplayedElements()
{
  foreach (var item in this.generatedContainers)
  {
    foreach (var pair in item.Value)
    {
      if (!pair.IsFrozen)
      {
        yield return item;
      }
      break;
    }
  }
}

This website uses cookies and other technology to provide you a more personalized experience. By continuing the view of our web-pages you accept the terms of using these files. If you don't want your personal data to be processed, please, leave this site.
Learn More →
Accept