private static Options ParseCommandLineArgs(string[] args)
{
var options = new Options();
bool result = CommandLine.Parser.Default.ParseArguments(args, options);
if (!result)
{
Console.WriteLine(HelpText.AutoBuild(options).ToString());
return null;
}
return options;
}
private static Tuple<string, Assembly> ValidateOptionsAndLoadAnalyzer(Options options)
{
if (Path.GetExtension(options.Solution) != ".sln")
{
Console.WriteLine($"'{options.Solution}' is not a valid solution file.");
return null;
}
if (!File.Exists(options.Solution))
{
Console.WriteLine($"Provided solution file ('{options.Solution}') does not exists. ");
return null;
}
var analyzerExtension = Path.GetExtension(options.Analyzer);
if (analyzerExtension != ".dll" && analyzerExtension != ".exe")
{
Console.WriteLine($"Provided analyzer '{options.Analyzer}' is not dll or exe");
return null;
}
if (!File.Exists(options.Analyzer))
{
Console.WriteLine($"Provided analyzer ('{options.Analyzer}') does not exists. ");
}
if (!string.IsNullOrEmpty(options.LogFile))
{
options.LogFile = Path.GetFullPath(options.LogFile);
Console.WriteLine($"Log file enabled ('{options.LogFile}')");
if (File.Exists(options.LogFile))
{
// Need to move it out!
File.Delete(options.LogFile);
}
}
try
{
return Tuple.Create(options.Solution, Assembly.LoadFile(options.Analyzer));
}
catch (Exception e)
{
Console.WriteLine($"Failed to load analyzer '{options.Analyzer}':{Environment.NewLine}:{e}");
return null;
}
}
private static async Task AnalyzeSolutionAsync(string solutionFile, Assembly analyzer, Options options)
{
var analyzers = GetAnalyzers(analyzer).ToImmutableArray();
// Loading the solution
var sw = Stopwatch.StartNew();
var workspace = MSBuildWorkspace.Create();
WriteInfo($"Opening solution '{solutionFile}'...", enabled: true);
var solution = await workspace.OpenSolutionAsync(solutionFile);
WriteInfo($"Loaded solution in {sw.ElapsedMilliseconds}ms with '{solution.ProjectIds.Count}' projects and '{solution.DocumentsCount()}' documents", enabled: true);
WriteInfo("Running the analysis...", enabled: true);
// Running the analysis
sw.Restart();
var diagnostics = await AnalyseSolutionAsync(solution, analyzers, options);
WriteInfo($"Found {diagnostics.SelectMany(d => d.Diagnostics).Count()} diagnostics in {sw.ElapsedMilliseconds}ms", enabled: true);
//PrintDiagnostics(diagnostics, options);
}
private static async Task<List<ProjectAnalysisResult>> AnalyseSolutionAsync(Solution solution, ImmutableArray<DiagnosticAnalyzer> analyzers, Options options)
{
var ruleIds = analyzers.SelectMany(a => a.SupportedDiagnostics.Select(d => d.Id)).ToImmutableHashSet();
var projectAnalysisTasks = solution.Projects.Select(p => new {Project = p, Task = AnalyzeProjectAsync(p, analyzers)}).ToList();
foreach (var task in projectAnalysisTasks)
{
var local = task;
#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
task.Task.ContinueWith(tsk =>
{
var relevantRules = tsk.Result.Where(d => ruleIds.Contains(d.Id)).ToImmutableArray();
if (options.PrintWarningsAndErrors)
{
PrintDiagnostics(local.Project, relevantRules);
}
if (!string.IsNullOrEmpty(options.LogFile))
{
WriteDiagnosticsToLog(options.LogFile, local.Project, relevantRules);
}
}, TaskContinuationOptions.OnlyOnRanToCompletion);
#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
}
await Task.WhenAll(projectAnalysisTasks.Select(p => p.Task));
var result =
projectAnalysisTasks
.Select(r => new ProjectAnalysisResult(r.Project, r.Task.Result.Where(d => ruleIds.Contains(d.Id)).ToImmutableArray())).ToList();
return result;
}