private Task <HostSessionStartAnalysisScope> GetSessionAnalysisScopeCoreAsync(
DiagnosticAnalyzer analyzer,
AnalyzerExecutor analyzerExecutor)
{
Func <DiagnosticAnalyzer, Task <HostSessionStartAnalysisScope> > getTask = a =>
{
return(Task.Run(async() =>
{
var sessionScope = new HostSessionStartAnalysisScope();
await analyzerExecutor.ExecuteInitializeMethodAsync(a, sessionScope).ConfigureAwait(false);
return sessionScope;
}, analyzerExecutor.CancellationToken));
};
return(_sessionScopeMap.GetOrAdd(analyzer, getTask));
}
