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C#


CSHARP.CLASS.MCS : Missing Call to super (C#)

Summary

A call to base is missing.

C# allows methods to call their implementation in the superclass, through the base.M(par) syntax. It is sometimes the case that redefinitions are expected to call their implementation in the superclass. This checker identifies situations where a call to base.M(par) seems to have been forgotten.

Properties

Class Name Missing Call to super (C#)
Significance reliability
Mnemonic CSHARP.CLASS.MCS
Categories
CWE CWE:573 Improper Following of Specification by Caller
Availability Available for C# only.
Enabling Checks for this warning class are enabled by default. To disable them, add the following WARNING_FILTER rule to the project configuration file.
WARNING_FILTER += discard class="Missing Call to super (C#)"

Example

namespace DocumentationExamples
{

    public class CallSuper
    {
        public static void Main(string[] args)
        { }

        public virtual void M() { }


    }
    public class CallSuperA : CallSuper
    {
        public override void M()
        {
            base.M();
        }
    }
    public class CallSuperB : CallSuper
    {
        public override void M()
        {
            base.M();
        }
    }
    public class CallSuperC : CallSuper
    {
        public override void M()
        {
            base.M();
        }
    }
    public class CallSuperD : CallSuper
    {
        public override void M()  // "Missing Call to super (C#)" warning issued here 
                                  // - the two other redfinitions of M() call base.M() 
        {
        }
    }
}

Resolution

Check if a call to base.M(pars); has been forgotten and add it consequently.

Relevant Configuration File Parameters

The following configuration file parameters affect checks for this warning class.

 

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