private int WriteRunToErrorList()

in src/Sarif.Viewer.VisualStudio.Core/ErrorList/ErrorListService.cs [561:636]
64 lines of code
13 McCabe index (conditional complexity)

        private int WriteRunToErrorList(Run run, string logFilePath, SarifLog sarifLog)
        {
            if (!SarifViewerPackage.IsUnitTesting)
            {
#pragma warning disable VSTHRD108 // Assert thread affinity unconditionally
                ThreadHelper.ThrowIfNotOnUIThread();
#pragma warning restore VSTHRD108
            }

            int runIndex = CodeAnalysisResultManager.Instance.GetNextRunIndex();
            var dataCache = new RunDataCache(runIndex, logFilePath, sarifLog);
            CodeAnalysisResultManager.Instance.RunIndexToRunDataCache.Add(runIndex, dataCache);
            CodeAnalysisResultManager.Instance.CacheUriBasePaths(run);
            var sarifErrors = new List<SarifErrorListItem>();

            var dte = Package.GetGlobalService(typeof(DTE)) as DTE2;

            var projectNameCache = new ProjectNameCache(dte?.Solution);

            this.StoreFileDetails(run.Artifacts);

            if (run.Results != null)
            {
                foreach (Result result in run.Results)
                {
                    result.Run = run;
                    var sarifError = new SarifErrorListItem(run, runIndex, result, logFilePath, projectNameCache);
                    sarifErrors.Add(sarifError);
                }
            }

            if (run.Invocations != null)
            {
                foreach (Invocation invocation in run.Invocations)
                {
                    if (invocation.ToolConfigurationNotifications != null)
                    {
                        foreach (Notification configurationNotification in invocation.ToolConfigurationNotifications)
                        {
                            var sarifError = new SarifErrorListItem(run, runIndex, configurationNotification, logFilePath, projectNameCache);
                            sarifErrors.Add(sarifError);
                        }
                    }

                    if (invocation.ToolExecutionNotifications != null)
                    {
                        foreach (Notification toolNotification in invocation.ToolExecutionNotifications)
                        {
                            if (toolNotification.Level != FailureLevel.Note)
                            {
                                var sarifError = new SarifErrorListItem(run, runIndex, toolNotification, logFilePath, projectNameCache);
                                sarifErrors.Add(sarifError);
                            }
                        }
                    }
                }
            }

            if (run.HasAbsentResults())
            {
                this.ShowFilteredCategoryColumn();
            }

            if (run.HasSuppressedResults())
            {
                this.ShowFilteredSuppressionStateColumn();
            }

            (dataCache.SarifErrors as List<SarifErrorListItem>).AddRange(sarifErrors);
            SarifTableDataSource.Instance.AddErrors(sarifErrors);

            // This causes already open "text views" to be tagged when SARIF logs are processed after a view is opened.
            SarifLocationTagHelpers.RefreshTags();

            return sarifErrors.Count;
        }