static AnalyzerRunnerHelper()
{
// QueryVisualStudioInstances returns Visual Studio installations on .NET Framework, and .NET Core SDK
// installations on .NET Core. We use the one with the most recent version.
var msBuildInstance = MSBuildLocator.QueryVisualStudioInstances().OrderByDescending(x => x.Version).First();
#if NETCOREAPP
// Since we do not inherit msbuild.deps.json when referencing the SDK copy
// of MSBuild and because the SDK no longer ships with version matched assemblies, we
// register an assembly loader that will load assemblies from the msbuild path with
// equal or higher version numbers than requested.
LooseVersionAssemblyLoader.Register(msBuildInstance.MSBuildPath);
#endif
MSBuildLocator.RegisterInstance(msBuildInstance);
}
public static async Task Main(string[] args)
{
Options options;
try
{
options = Options.Create(args);
}
catch (InvalidDataException)
{
PrintHelp();
return;
}
CancellationTokenSource cts = new CancellationTokenSource();
Console.CancelKeyPress +=
(sender, e) =>
{
e.Cancel = true;
cts.Cancel();
};
// QueryVisualStudioInstances returns Visual Studio installations on .NET Framework, and .NET Core SDK
// installations on .NET Core. We use the one with the most recent version.
var msBuildInstance = MSBuildLocator.QueryVisualStudioInstances().OrderByDescending(x => x.Version).First();
#if NETCOREAPP
// Since we do not inherit msbuild.deps.json when referencing the SDK copy
// of MSBuild and because the SDK no longer ships with version matched assemblies, we
// register an assembly loader that will load assemblies from the msbuild path with
// equal or higher version numbers than requested.
LooseVersionAssemblyLoader.Register(msBuildInstance.MSBuildPath);
#endif
MSBuildLocator.RegisterInstance(msBuildInstance);
var incrementalAnalyzerRunner = new IncrementalAnalyzerRunner(options);
var diagnosticAnalyzerRunner = new DiagnosticAnalyzerRunner(options);
var codeRefactoringRunner = new CodeRefactoringRunner(options);
if (!incrementalAnalyzerRunner.HasAnalyzers && !diagnosticAnalyzerRunner.HasAnalyzers && !codeRefactoringRunner.HasRefactorings)
{
WriteLine("No analyzers found", ConsoleColor.Red);
PrintHelp();
return;
}
var cancellationToken = cts.Token;
if (!string.IsNullOrEmpty(options.ProfileRoot))
{
Directory.CreateDirectory(options.ProfileRoot);
ProfileOptimization.SetProfileRoot(options.ProfileRoot);
}
var stopwatch = PerformanceTracker.StartNew();
var properties = new Dictionary <string, string>
{
#if NETCOREAPP
// This property ensures that XAML files will be compiled in the current AppDomain
// rather than a separate one. Any tasks isolated in AppDomains or tasks that create
// AppDomains will likely not work due to https://github.com/Microsoft/MSBuildLocator/issues/16.
{ "AlwaysCompileMarkupFilesInSeparateDomain", bool.FalseString },
#endif
// Use the latest language version to force the full set of available analyzers to run on the project.
{ "LangVersion", "latest" },
};
if (!string.IsNullOrEmpty(options.ProfileRoot))
{
ProfileOptimization.StartProfile(nameof(MSBuildWorkspace.OpenSolutionAsync));
}
using (MSBuildWorkspace workspace = MSBuildWorkspace.Create(properties, AnalyzerRunnerMefHostServices.DefaultServices))
{
Solution solution = await workspace.OpenSolutionAsync(options.SolutionPath, progress : null, cancellationToken).ConfigureAwait(false);
var projectIds = solution.ProjectIds;
foreach (var workspaceDiagnostic in workspace.Diagnostics)
{
if (workspaceDiagnostic.Kind == WorkspaceDiagnosticKind.Failure)
{
Console.WriteLine(workspaceDiagnostic.Message);
}
}
foreach (var projectId in projectIds)
{
solution = solution.WithProjectAnalyzerReferences(projectId, ImmutableArray <AnalyzerReference> .Empty);
}
Console.WriteLine($"Loaded solution in {stopwatch.GetSummary(preciseMemory: true)}");
if (options.ShowStats)
{
stopwatch = PerformanceTracker.StartNew();
List <Project> projects = solution.Projects.Where(project => project.Language == LanguageNames.CSharp || project.Language == LanguageNames.VisualBasic).ToList();
Console.WriteLine("Number of projects:\t\t" + projects.Count);
Console.WriteLine("Number of documents:\t\t" + projects.Sum(x => x.DocumentIds.Count));
var statistics = GetSolutionStatistics(projects, cancellationToken);
Console.WriteLine("Number of syntax nodes:\t\t" + statistics.NumberofNodes);
Console.WriteLine("Number of syntax tokens:\t" + statistics.NumberOfTokens);
Console.WriteLine("Number of syntax trivia:\t" + statistics.NumberOfTrivia);
Console.WriteLine($"Statistics gathered in {stopwatch.GetSummary(preciseMemory: true)}");
}
if (options.ShowCompilerDiagnostics)
{
var projects = solution.Projects.Where(project => project.Language == LanguageNames.CSharp || project.Language == LanguageNames.VisualBasic).ToList();
var diagnosticStatistics = new Dictionary <string, (string description, DiagnosticSeverity severity, int count)>();
foreach (var project in projects)
{
var compilation = await project.GetCompilationAsync(cancellationToken).ConfigureAwait(false);
foreach (var diagnostic in compilation.GetDiagnostics(cancellationToken))
{
diagnosticStatistics.TryGetValue(diagnostic.Id, out var existing);
var description = existing.description;
if (string.IsNullOrEmpty(description))
{
description = diagnostic.Descriptor?.Title.ToString();
if (string.IsNullOrEmpty(description))
{
description = diagnostic.Descriptor?.MessageFormat.ToString();
}
}
diagnosticStatistics[diagnostic.Id] = (description, diagnostic.Descriptor.DefaultSeverity, existing.count + 1);
}
}
foreach (var pair in diagnosticStatistics)
{
Console.WriteLine($" {pair.Value.severity} {pair.Key}: {pair.Value.count} instances ({pair.Value.description})");
}
}
Console.WriteLine("Pausing 5 seconds before starting analysis...");
await Task.Delay(TimeSpan.FromSeconds(5)).ConfigureAwait(false);
await incrementalAnalyzerRunner.RunAsync(workspace, cancellationToken).ConfigureAwait(false);
await diagnosticAnalyzerRunner.RunAsync(workspace, cancellationToken).ConfigureAwait(false);
await codeRefactoringRunner.RunAsync(workspace, cancellationToken).ConfigureAwait(false);
}
}