private static void ReportSessionWideTelemetry()
{
SolutionLogger.ReportTelemetry();
AsyncCompletionLogger.ReportTelemetry();
CompletionProvidersLogger.ReportTelemetry();
ChangeSignatureLogger.ReportTelemetry();
InheritanceMarginLogger.ReportTelemetry();
}
protected override async Task ProduceTagsAsync(
TaggerContext <InheritanceMarginTag> context,
DocumentSnapshotSpan spanToTag,
int?caretPosition,
CancellationToken cancellationToken)
{
var document = spanToTag.Document;
if (document == null)
{
return;
}
var inheritanceMarginInfoService = document.GetLanguageService <IInheritanceMarginService>();
if (inheritanceMarginInfoService == null)
{
return;
}
if (GlobalOptions.GetOption(FeatureOnOffOptions.ShowInheritanceMargin, document.Project.Language) == false)
{
return;
}
var includeGlobalImports = GlobalOptions.GetOption(FeatureOnOffOptions.InheritanceMarginIncludeGlobalImports, document.Project.Language);
// Use FrozenSemantics Version of document to get the semantics ready, therefore we could have faster
// response. (Since the full load might take a long time)
// We also subscribe to CompilationAvailableTaggerEventSource, so this will finally reach the correct state.
document = document.WithFrozenPartialSemantics(cancellationToken);
var spanToSearch = spanToTag.SnapshotSpan.Span.ToTextSpan();
var stopwatch = SharedStopwatch.StartNew();
var inheritanceMemberItems = await inheritanceMarginInfoService.GetInheritanceMemberItemsAsync(
document,
spanToSearch,
includeGlobalImports,
cancellationToken).ConfigureAwait(false);
var elapsed = stopwatch.Elapsed;
if (inheritanceMemberItems.IsEmpty)
{
return;
}
InheritanceMarginLogger.LogGenerateBackgroundInheritanceInfo(elapsed);
// One line might have multiple members to show, so group them.
// For example:
// interface IBar { void Foo1(); void Foo2(); }
// class Bar : IBar { void Foo1() { } void Foo2() { } }
var lineToMembers = inheritanceMemberItems.GroupBy(item => item.LineNumber);
var snapshot = spanToTag.SnapshotSpan.Snapshot;
foreach (var(lineNumber, membersOnTheLine) in lineToMembers)
{
var membersOnTheLineArray = membersOnTheLine.ToImmutableArray();
// One line should at least have one member on it.
Contract.ThrowIfTrue(membersOnTheLineArray.IsEmpty);
var line = snapshot.GetLineFromLineNumber(lineNumber);
// We only care about the line, so just tag the start.
context.AddTag(new TagSpan <InheritanceMarginTag>(
new SnapshotSpan(snapshot, line.Start, length: 0),
new InheritanceMarginTag(document.Project.Solution.Workspace, lineNumber, membersOnTheLineArray)));
}
}
