private async Task<List<ProjectAnalysisResult>> AnalyseSolutionAsync(Solution solution, ImmutableArray<DiagnosticAnalyzer> analyzers, Configuration configuration)
{
var ruleIds = analyzers
.SelectMany(a => a.SupportedDiagnostics.Select(d => d.Id))
.Where(d => !_configuration.DisabledDiagnostics.Contains(d))
.ToImmutableHashSet();
var projectAnalysisTasks = solution.Projects
// First, Running analysis
.Select(p => new { Project = p, Task = AnalyzeProjectAsync(p, analyzers) })
.ToList()
// Then we need to print all the results
.Select(p => new { Project = p.Project, Task = p.Task.ContinueWith(t =>
{
var diagnostics = t.Result.Where(d => ruleIds.Contains(d.Id)).ToImmutableArray();
if (configuration.RunInfoLevelDiagnostics)
{
diagnostics = diagnostics.Where(d => d.Severity != DiagnosticSeverity.Info).ToImmutableArray();
}
LogDiagnostics(p.Project, diagnostics);
return t;
}).Unwrap()})
.ToList();
// And need to wait when all the analysis and printing tasks would be finished
await Task.WhenAll(projectAnalysisTasks.Select(p => p.Task));
// And only after now we can build the result
var result =
projectAnalysisTasks
.Select(r => new ProjectAnalysisResult(r.Project, r.Task.Result.Where(d => ruleIds.Contains(d.Id)).ToImmutableArray())).ToList();
return result;
}
public AnalyzerRunner(Configuration configuration)
{
Contract.Requires(configuration != null);
_configuration = configuration;
}
private async Task AnalyzeSolutionAsync(Configuration configuration)
{
var analyzers = GetAnalyzers(configuration.Analyzer).ToImmutableArray();
// Loading the solution
var sw = Stopwatch.StartNew();
var workspace = MSBuildWorkspace.Create();
WriteInfo($"Opening solution '{configuration.Solution}'...");
var solution = await workspace.OpenSolutionAsync(configuration.Solution);
WriteInfo($"Loaded solution in {sw.ElapsedMilliseconds}ms with '{solution.ProjectIds.Count}' projects and '{solution.DocumentsCount()}' documents");
WriteInfo("Running the analysis...");
// Running the analysis
sw.Restart();
var diagnostics = await AnalyseSolutionAsync(solution, analyzers, configuration);
WriteInfo($"Found {diagnostics.SelectMany(d => d.Diagnostics).Count()} diagnostics in {sw.ElapsedMilliseconds}ms");
PrintStatistics(diagnostics, analyzers);
}
