public static async Task Main(string[] args)
{
MSBuildLocator.RegisterDefaults();
using var workspace = MSBuildWorkspace.Create();
var solutionPath = args[0];
Console.WriteLine($"Loading {solutionPath}...");
var originalSolution = await workspace.OpenSolutionAsync(solutionPath);
// Enables dynamically-loaded analyzers to resolve their dependencies.
Utils.ResolveAssembliesWithVersionRollforward(AppDomain.CurrentDomain);
Console.WriteLine($"Searching for unnecessary suppressions...");
var diagnosticsComparer = new SolutionDiagnosticsComparer(originalSolution);
var newSolution = originalSolution;
foreach (var projectId in originalSolution.ProjectIds)
{
var project = newSolution.GetProject(projectId);
if (project is null)
{
continue;
}
foreach (var documentId in project.DocumentIds)
{
var document = newSolution.GetDocument(documentId);
if (document is null)
{
continue;
}
var newDocument = await SuppressionFixer.FixAllInDocumentAsync(document, diagnosticsComparer, removal =>
{
var fileLineSpan = removal.RemovalLocation.GetLineSpan();
Console.WriteLine($"Removed '{removal.RemovedText}' from {fileLineSpan.Path} ({fileLineSpan.StartLinePosition})");
}, CancellationToken.None);
newSolution = newDocument.Project.Solution;
Utils.UpdateWorkspace(workspace, ref newSolution);
}
}
if (newSolution == originalSolution)
{
Console.WriteLine("No suppressions found that the tool could remove.");
}
else
{
Utils.UpdateWorkspace(workspace, ref newSolution);
}
}
public static async Task <Document> FixAllInDocumentAsync(
Document document,
SolutionDiagnosticsComparer diagnosticsComparer,
Action <SuppressionRemoval> afterRemoval,
CancellationToken cancellationToken)
{
var syntaxRoot = await document.GetSyntaxRootAsync();
if (syntaxRoot is null)
{
return(document);
}
var suppressions = FindSuppressions(syntaxRoot).ToList();
syntaxRoot = syntaxRoot.TrackNodes(suppressions);
foreach (var suppressionSyntax in suppressions)
{
foreach (var removal in GetPotentialRemovals(syntaxRoot, syntaxRoot.GetCurrentNode(suppressionSyntax)))
{
var modifiedDocument = document.WithSyntaxRoot(removal.NewRoot);
if (await diagnosticsComparer.HasNewCompileDiagnosticsAsync(modifiedDocument, cancellationToken).ConfigureAwait(false))
{
continue;
}
if (removal.RequiredAnalyzerDiagnosticIds.Any() &&
await diagnosticsComparer.HasNewAnalyzerDiagnosticsAsync(modifiedDocument, removal.RequiredAnalyzerDiagnosticIds, cancellationToken).ConfigureAwait(false))
{
continue;
}
syntaxRoot = removal.NewRoot;
document = modifiedDocument;
afterRemoval(removal);
break;
}
}
return(document);
}
