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)));
}
}
