private int RunCore(TextWriter consoleOutput, ErrorLogger errorLogger, CancellationToken cancellationToken)
{
Debug.Assert(!Arguments.IsScriptRunner);
cancellationToken.ThrowIfCancellationRequested();
if (Arguments.DisplayLogo)
{
PrintLogo(consoleOutput);
}
if (Arguments.DisplayHelp)
{
PrintHelp(consoleOutput);
return(Succeeded);
}
if (ReportErrors(Arguments.Errors, consoleOutput, errorLogger))
{
return(Failed);
}
var touchedFilesLogger = (Arguments.TouchedFilesPath != null) ? new TouchedFileLogger() : null;
Compilation compilation = CreateCompilation(consoleOutput, touchedFilesLogger, errorLogger);
if (compilation == null)
{
return(Failed);
}
var diagnostics = new List <DiagnosticInfo>();
ImmutableArray <DiagnosticAnalyzer> analyzers;
ImmutableArray <SourceGenerator> sourceGenerators;
ResolveAnalyzersAndGeneratorsFromArguments(diagnostics, MessageProvider, out analyzers, out sourceGenerators);
var additionalTextFiles = ResolveAdditionalFilesFromArguments(diagnostics, MessageProvider, touchedFilesLogger);
if (ReportErrors(diagnostics, consoleOutput, errorLogger))
{
return(Failed);
}
bool reportAnalyzer = false;
CancellationTokenSource analyzerCts = null;
AnalyzerManager analyzerManager = null;
AnalyzerDriver analyzerDriver = null;
try
{
// Print the diagnostics produced during the parsing stage and exit if there were any errors.
if (ReportErrors(compilation.GetParseDiagnostics(), consoleOutput, errorLogger))
{
return(Failed);
}
if (!sourceGenerators.IsEmpty)
{
var trees = compilation.GenerateSource(sourceGenerators, this.Arguments.OutputDirectory, writeToDisk: true, cancellationToken: cancellationToken);
if (!trees.IsEmpty)
{
compilation = compilation.AddSyntaxTrees(trees);
if (ReportErrors(compilation.GetParseDiagnostics(), consoleOutput, errorLogger))
{
return(Failed);
}
}
}
ConcurrentSet <Diagnostic> analyzerExceptionDiagnostics = null;
if (!analyzers.IsEmpty)
{
analyzerCts = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken);
analyzerManager = new AnalyzerManager();
analyzerExceptionDiagnostics = new ConcurrentSet <Diagnostic>();
Action <Diagnostic> addExceptionDiagnostic = diagnostic => analyzerExceptionDiagnostics.Add(diagnostic);
var analyzerOptions = new AnalyzerOptions(ImmutableArray <AdditionalText> .CastUp(additionalTextFiles));
analyzerDriver = AnalyzerDriver.CreateAndAttachToCompilation(compilation, analyzers, analyzerOptions, analyzerManager, addExceptionDiagnostic, Arguments.ReportAnalyzer, out compilation, analyzerCts.Token);
reportAnalyzer = Arguments.ReportAnalyzer && !analyzers.IsEmpty;
}
if (ReportErrors(compilation.GetDeclarationDiagnostics(), consoleOutput, errorLogger))
{
return(Failed);
}
cancellationToken.ThrowIfCancellationRequested();
string outputName = GetOutputFileName(compilation, cancellationToken);
var finalPeFilePath = Path.Combine(Arguments.OutputDirectory, outputName);
var finalPdbFilePath = Arguments.PdbPath ?? Path.ChangeExtension(finalPeFilePath, ".pdb");
var finalXmlFilePath = Arguments.DocumentationPath;
var diagnosticBag = DiagnosticBag.GetInstance();
try
{
// NOTE: Unlike the PDB path, the XML doc path is not embedded in the assembly, so we don't need to pass it to emit.
var emitOptions = Arguments.EmitOptions.
WithOutputNameOverride(outputName).
WithPdbFilePath(finalPdbFilePath);
// The PDB path is emitted in it's entirety into the PE. This makes it impossible to have deterministic
// builds that occur in different source directories. To enable this we shave all path information from
// the PDB when specified by the user.
//
// This is a temporary work around to allow us to make progress with determinism. The following issue
// tracks getting an official solution here.
//
// https://github.com/dotnet/roslyn/issues/9813
if (Arguments.ParseOptions.Features.ContainsKey("pdb-path-determinism") && !string.IsNullOrEmpty(emitOptions.PdbFilePath))
{
emitOptions = emitOptions.WithPdbFilePath(Path.GetFileName(emitOptions.PdbFilePath));
}
var moduleBeingBuilt = compilation.CheckOptionsAndCreateModuleBuilder(
diagnosticBag,
Arguments.ManifestResources,
emitOptions,
debugEntryPoint: null,
testData: null,
cancellationToken: cancellationToken);
if (moduleBeingBuilt != null)
{
bool success;
try
{
success = compilation.CompileMethods(
moduleBeingBuilt,
Arguments.EmitPdb,
diagnosticBag,
filterOpt: null,
cancellationToken: cancellationToken);
if (success)
{
// NOTE: as native compiler does, we generate the documentation file
// NOTE: 'in place', replacing the contents of the file if it exists
Stream xmlStreamOpt = null;
if (finalXmlFilePath != null)
{
xmlStreamOpt = OpenFile(finalXmlFilePath, consoleOutput, PortableShim.FileMode.OpenOrCreate, PortableShim.FileAccess.Write, PortableShim.FileShare.ReadWriteBitwiseOrDelete);
if (xmlStreamOpt == null)
{
return(Failed);
}
xmlStreamOpt.SetLength(0);
}
using (xmlStreamOpt)
{
IEnumerable <DiagnosticInfo> errors;
using (var win32ResourceStreamOpt = GetWin32Resources(Arguments, compilation, out errors))
{
if (ReportErrors(errors, consoleOutput, errorLogger))
{
return(Failed);
}
success = compilation.GenerateResourcesAndDocumentationComments(
moduleBeingBuilt,
xmlStreamOpt,
win32ResourceStreamOpt,
diagnosticBag,
cancellationToken);
}
// only report unused usings if we have success.
if (success)
{
compilation.ReportUnusedImports(null, diagnosticBag, cancellationToken);
}
}
}
compilation.CompleteTrees(null);
if (analyzerDriver != null)
{
// GetDiagnosticsAsync is called after ReportUnusedImports
// since that method calls EventQueue.TryComplete. Without
// TryComplete, we may miss diagnostics.
var hostDiagnostics = analyzerDriver.GetDiagnosticsAsync(compilation).Result;
diagnosticBag.AddRange(hostDiagnostics);
if (hostDiagnostics.Any(IsReportedError))
{
success = false;
}
}
}
finally
{
moduleBeingBuilt.CompilationFinished();
}
if (success)
{
using (var peStreamProvider = new CompilerEmitStreamProvider(this, finalPeFilePath))
using (var pdbStreamProviderOpt = Arguments.EmitPdb ? new CompilerEmitStreamProvider(this, finalPdbFilePath) : null)
{
success = compilation.SerializeToPeStream(
moduleBeingBuilt,
peStreamProvider,
pdbStreamProviderOpt,
testSymWriterFactory: null,
diagnostics: diagnosticBag,
metadataOnly: emitOptions.EmitMetadataOnly,
cancellationToken: cancellationToken);
if (success && touchedFilesLogger != null)
{
if (pdbStreamProviderOpt != null)
{
touchedFilesLogger.AddWritten(finalPdbFilePath);
}
touchedFilesLogger.AddWritten(finalPeFilePath);
}
}
}
}
var compileAndEmitDiagnostics = diagnosticBag.ToReadOnly();
GenerateSqmData(Arguments.CompilationOptions, compileAndEmitDiagnostics);
if (ReportErrors(compileAndEmitDiagnostics, consoleOutput, errorLogger))
{
return(Failed);
}
}
finally
{
diagnosticBag.Free();
}
cancellationToken.ThrowIfCancellationRequested();
if (analyzerExceptionDiagnostics != null && ReportErrors(analyzerExceptionDiagnostics, consoleOutput, errorLogger))
{
return(Failed);
}
bool errorsReadingAdditionalFiles = false;
foreach (var additionalFile in additionalTextFiles)
{
if (ReportErrors(additionalFile.Diagnostics, consoleOutput, errorLogger))
{
errorsReadingAdditionalFiles = true;
}
}
if (errorsReadingAdditionalFiles)
{
return(Failed);
}
cancellationToken.ThrowIfCancellationRequested();
if (Arguments.TouchedFilesPath != null)
{
Debug.Assert(touchedFilesLogger != null);
if (finalXmlFilePath != null)
{
touchedFilesLogger.AddWritten(finalXmlFilePath);
}
var readStream = OpenFile(Arguments.TouchedFilesPath + ".read", consoleOutput, mode: PortableShim.FileMode.OpenOrCreate);
if (readStream == null)
{
return(Failed);
}
using (var writer = new StreamWriter(readStream))
{
touchedFilesLogger.WriteReadPaths(writer);
}
var writtenStream = OpenFile(Arguments.TouchedFilesPath + ".write", consoleOutput, mode: PortableShim.FileMode.OpenOrCreate);
if (writtenStream == null)
{
return(Failed);
}
using (var writer = new StreamWriter(writtenStream))
{
touchedFilesLogger.WriteWrittenPaths(writer);
}
}
}
finally
{
// At this point analyzers are already complete in which case this is a no-op. Or they are
// still running because the compilation failed before all of the compilation events were
// raised. In the latter case the driver, and all its associated state, will be waiting around
// for events that are never coming. Cancel now and let the clean up process begin.
if (analyzerCts != null)
{
analyzerCts.Cancel();
if (analyzerManager != null)
{
// Clear cached analyzer descriptors and unregister exception handlers hooked up to the LocalizableString fields of the associated descriptors.
analyzerManager.ClearAnalyzerState(analyzers);
}
if (reportAnalyzer)
{
ReportAnalyzerExecutionTime(consoleOutput, analyzerDriver, Culture, compilation.Options.ConcurrentBuild);
}
}
}
return(Succeeded);
}