private async Task <ProjectStateChecksums> ComputeChecksumsAsync(CancellationToken cancellationToken) { using (Logger.LogBlock(FunctionId.ProjectState_ComputeChecksumsAsync, FilePath, cancellationToken)) { // get states by id order to have deterministic checksum var documentChecksumsTasks = DocumentIds.Select(id => DocumentStates[id].GetChecksumAsync(cancellationToken)); var additionalDocumentChecksumTasks = AdditionalDocumentIds.Select(id => AdditionalDocumentStates[id].GetChecksumAsync(cancellationToken)); var serializer = new Serializer(_solutionServices.Workspace); var infoChecksum = serializer.CreateChecksum(ProjectInfo.Attributes, cancellationToken); // these compiler objects doesn't have good place to cache checksum. but rarely ever get changed. var compilationOptionsChecksum = SupportsCompilation ? ChecksumCache.GetOrCreate(CompilationOptions, _ => serializer.CreateChecksum(CompilationOptions, cancellationToken)) : Checksum.Null; var parseOptionsChecksum = SupportsCompilation ? ChecksumCache.GetOrCreate(ParseOptions, _ => serializer.CreateChecksum(ParseOptions, cancellationToken)) : Checksum.Null; var projectReferenceChecksums = ChecksumCache.GetOrCreate <ProjectReferenceChecksumCollection>(ProjectReferences, _ => new ProjectReferenceChecksumCollection(ProjectReferences.Select(r => serializer.CreateChecksum(r, cancellationToken)).ToArray())); var metadataReferenceChecksums = ChecksumCache.GetOrCreate <MetadataReferenceChecksumCollection>(MetadataReferences, _ => new MetadataReferenceChecksumCollection(MetadataReferences.Select(r => serializer.CreateChecksum(r, cancellationToken)).ToArray())); var analyzerReferenceChecksums = ChecksumCache.GetOrCreate <AnalyzerReferenceChecksumCollection>(AnalyzerReferences, _ => new AnalyzerReferenceChecksumCollection(AnalyzerReferences.Select(r => serializer.CreateChecksum(r, cancellationToken)).ToArray())); var documentChecksums = await Task.WhenAll(documentChecksumsTasks).ConfigureAwait(false); var additionalChecksums = await Task.WhenAll(additionalDocumentChecksumTasks).ConfigureAwait(false); return(new ProjectStateChecksums( infoChecksum, compilationOptionsChecksum, parseOptionsChecksum, new DocumentChecksumCollection(documentChecksums), projectReferenceChecksums, metadataReferenceChecksums, analyzerReferenceChecksums, new TextDocumentChecksumCollection(additionalChecksums))); } }
private async Task <ProjectStateChecksums> ComputeChecksumsAsync(CancellationToken cancellationToken) { using (Logger.LogBlock(FunctionId.ProjectState_ComputeChecksumsAsync, FilePath, cancellationToken)) { // get states by id order to have deterministic checksum var documentChecksumsTasks = DocumentIds.Select(id => DocumentStates[id].GetChecksumAsync(cancellationToken)); var additionalDocumentChecksumTasks = AdditionalDocumentIds.Select(id => AdditionalDocumentStates[id].GetChecksumAsync(cancellationToken)); var serializer = new Serializer(_solutionServices.Workspace.Services); var infoChecksum = serializer.CreateChecksum(new SerializedProjectInfo(Id, Version, Name, AssemblyName, Language, FilePath, OutputFilePath, IsSubmission), cancellationToken); var compilationOptionsChecksum = SupportsCompilation ? serializer.CreateChecksum(CompilationOptions, cancellationToken) : Checksum.Null; var parseOptionsChecksum = SupportsCompilation ? serializer.CreateChecksum(ParseOptions, cancellationToken) : Checksum.Null; var projectReferenceChecksums = new ProjectReferenceChecksumCollection(ProjectReferences.Select(r => serializer.CreateChecksum(r, cancellationToken)).ToArray()); var metadataReferenceChecksums = new MetadataReferenceChecksumCollection(MetadataReferences.Select(r => serializer.CreateChecksum(r, cancellationToken)).ToArray()); var analyzerReferenceChecksums = new AnalyzerReferenceChecksumCollection(AnalyzerReferences.Select(r => serializer.CreateChecksum(r, cancellationToken)).ToArray()); var documentChecksums = await Task.WhenAll(documentChecksumsTasks).ConfigureAwait(false); var additionalChecksums = await Task.WhenAll(additionalDocumentChecksumTasks).ConfigureAwait(false); return(new ProjectStateChecksums( infoChecksum, compilationOptionsChecksum, parseOptionsChecksum, new DocumentChecksumCollection(documentChecksums), projectReferenceChecksums, metadataReferenceChecksums, analyzerReferenceChecksums, new TextDocumentChecksumCollection(additionalChecksums))); } }