private async Task <AnalysisData> GetExistingProjectAnalysisDataAsync(Project project, DiagnosticState state, CancellationToken cancellationToken)
{
// quick bail out
if (state.Count == 0)
{
return(null);
}
var textVersion = VersionStamp.Default;
var dataVersion = VersionStamp.Default;
var existingData = await state.TryGetExistingDataAsync(project, cancellationToken).ConfigureAwait(false);
var builder = ImmutableArray.CreateBuilder <DiagnosticData>();
if (existingData != null)
{
textVersion = existingData.TextVersion;
dataVersion = existingData.DataVersion;
builder.AddRange(existingData.Items);
}
foreach (var document in project.Documents)
{
existingData = await state.TryGetExistingDataAsync(document, cancellationToken).ConfigureAwait(false);
if (existingData == null)
{
continue;
}
if (dataVersion != VersionStamp.Default && dataVersion != existingData.DataVersion)
{
continue;
}
textVersion = existingData.TextVersion;
dataVersion = existingData.DataVersion;
builder.AddRange(existingData.Items);
}
if (dataVersion == VersionStamp.Default)
{
Contract.Requires(textVersion == VersionStamp.Default);
return(null);
}
Contract.Requires(textVersion != VersionStamp.Default);
return(new AnalysisData(textVersion, dataVersion, builder.ToImmutable()));
}
private async Task AppendProjectAndDocumentDiagnosticsAsync(DiagnosticState state, object documentOrProject, Func <DiagnosticData, bool> predicate, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
var existingData = await state.TryGetExistingDataAsync(documentOrProject, cancellationToken).ConfigureAwait(false);
if (existingData == null || existingData.Items.Length == 0)
{
return;
}
AppendDiagnostics(existingData.Items.Where(predicate));
}
private async Task AppendProjectAndDocumentDiagnosticsAsync(DiagnosticState state, object documentOrProject, Func<DiagnosticData, bool> predicate, CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
var existingData = await state.TryGetExistingDataAsync(documentOrProject, cancellationToken).ConfigureAwait(false);
if (existingData == null || existingData.Items.Length == 0)
{
return;
}
AppendDiagnostics(existingData.Items.Where(predicate));
}
private async Task<AnalysisData> GetExistingProjectAnalysisDataAsync(Project project, DiagnosticState state, CancellationToken cancellationToken)
{
// quick bail out
if (state.Count == 0)
{
return null;
}
var textVersion = VersionStamp.Default;
var dataVersion = VersionStamp.Default;
var existingData = await state.TryGetExistingDataAsync(project, cancellationToken).ConfigureAwait(false);
var builder = ImmutableArray.CreateBuilder<DiagnosticData>();
if (existingData != null)
{
textVersion = existingData.TextVersion;
dataVersion = existingData.DataVersion;
builder.AddRange(existingData.Items);
}
foreach (var document in project.Documents)
{
existingData = await state.TryGetExistingDataAsync(document, cancellationToken).ConfigureAwait(false);
if (existingData == null)
{
continue;
}
if (dataVersion != VersionStamp.Default && dataVersion != existingData.DataVersion)
{
continue;
}
textVersion = existingData.TextVersion;
dataVersion = existingData.DataVersion;
builder.AddRange(existingData.Items);
}
if (dataVersion == VersionStamp.Default)
{
Contract.Requires(textVersion == VersionStamp.Default);
return null;
}
return new AnalysisData(textVersion, dataVersion, builder.ToImmutable());
}