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 V310…

Examples of errors detected by the V3102 diagnostic

V3102. Suspicious access to element by a constant index inside a loop.


Accord.Net

V3102 Suspicious access to element of 'data' object by a constant index inside a loop. Accord.MachineLearning BinarySplit.cs 121


public override int[] Compute(double[][] data, double[] weights)
{
  ....
  int cols = data[0].Length;
  for (int i = 0; i < data.Length; i++)
    if (data[0].Length != cols)
      throw new DimensionMismatchException("data",
                  "The points matrix should be rectangular.
                   The vector at position {} has a different
                   length than previous ones.");
  ....
}

Mono

V3102 Suspicious access to element of 'Attrs' object by a constant index inside a loop. mcs-net_4_x attribute.cs 1272


public void ConvertGlobalAttributes (
  TypeContainer member,
  NamespaceContainer currentNamespace,
  bool isGlobal)
{
  var member_explicit_targets = member.ValidAttributeTargets;
  for (int i = 0; i < Attrs.Count; ++i) {
    var attr = Attrs[0];
    if (attr.ExplicitTarget == null)
      continue;
    ....
  }
}

Similar errors can be found in some other places:

  • V3102 Suspicious access to element of 'seq' object by a constant index inside a loop. System.Xml-net_4_x XmlQueryRuntime.cs 679
  • V3102 Suspicious access to element of 'state' object by a constant index inside a loop. System.Web-net_4_x Login.cs 1223

SharpDevelop

V3102 Suspicious access to element of 'method.SequencePoints' object by a constant index inside a loop. CodeCoverageMethodTreeNode.cs 52


public override void ActivateItem()
{
  if (method != null && method.SequencePoints.Count > 0) {
    CodeCoverageSequencePoint firstSequencePoint =
      method.SequencePoints[0];
    ....
    for (int i = 1; i < method.SequencePoints.Count; ++i) {
      CodeCoverageSequencePoint sequencePoint =
        method.SequencePoints[0];
      ....
    }
    ....
  }
  ....
}

.NET Core Libraries (CoreFX)

V3102 Suspicious access to element of 'seq' object by a constant index inside a loop. XmlQueryRuntime.cs 738


public bool MatchesXmlType(IList<XPathItem> seq, int indexType)
{
  ....
  typBase = typBase.Prime;
  for (int i = 0; i < seq.Count; i++)
  {
    if (!CreateXmlType(seq[0]).IsSubtypeOf(typBase)) // <=
      return false;
  }

  return true;
}

Telerik UI for UWP

V3102 Suspicious access to element of 'x' object by a constant index inside a loop. DataEngine.cs 1718


public bool Equals(object[] x, object[] y)
{
  ....
  for (int i = 0; i < x.Length; i++)
  {
    if (!object.Equals(x[0], y[0]))    // <=
    {
       return false;
    }
  }
  return true;
}

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