Fix S6967 FP: Issues should not be raised in autogenerated code

[hugoqribeiro]

Description

S6967 is not respecting generated code.

Repro steps

This rule is being triggered on a controller defined in a file named Controllers.gen.cs, that includes the auto-generated comment, in a class that is annotated with GeneratedCode attribute.

//------------------------------------------------------------------------------
// <auto-generated>
//     This code was generated by a tool.
//     Changes to this file may cause incorrect behavior and will be lost if
//     the code is regenerated.
// </auto-generated>
//------------------------------------------------------------------------------

[System.CodeDom.Compiler.GeneratedCode("Lithium", "8")]
public abstract partial class HomeControllerBase : AppControllerBase, IHomeController
{
    /// <inheritdoc />
    [Microsoft.AspNetCore.Mvc.ActionName(Common.Constants.Controllers.Home.Actions.Error)]
    [Microsoft.AspNetCore.Mvc.HttpGet(Common.Constants.Controllers.Home.Routes.Error)]
    public virtual System.Threading.Tasks.Task<Microsoft.AspNetCore.Mvc.IActionResult> ErrorAsync(int statusCode, System.Threading.CancellationToken cancellationToken = default)
    {
      // (...)
    }
}

Known workarounds

None.

Related information

• SonarAnalyzer.CSharp version 9.25.0.90414
• Visual Studio 17.9.6
• .NET 8.0.204
• Windows 10

[mary-georgiou-sonarsource]

Hello again @hugoqribeiro,

I confirm this should not happen - we already have #8876 to fix this behavior.