private async ValueTask <RoslynPackage?> TryGetRoslynPackageAsync(
CancellationToken cancellationToken
)
{
if (_roslynPackage is null)
{
await _threadingContext.JoinableTaskFactory.SwitchToMainThreadAsync(
cancellationToken
);
var shell = (IVsShell7?)await _serviceProvider
.GetServiceAsync(typeof(SVsShell))
.ConfigureAwait(true);
Assumes.Present(shell);
await shell.LoadPackageAsync(typeof(RoslynPackage).GUID);
if (
ErrorHandler.Succeeded(
((IVsShell)shell).IsPackageLoaded(
typeof(RoslynPackage).GUID,
out var package
)
)
)
{
_roslynPackage = (RoslynPackage)package;
}
}
return(_roslynPackage);
}
private async Task InitializeAsync(CancellationToken cancellationToken)
{
await _threadingContext.JoinableTaskFactory.SwitchToMainThreadAsync(cancellationToken);
_lazyRoslynPackage = await RoslynPackage.GetOrLoadAsync(_threadingContext, _serviceProvider, cancellationToken).ConfigureAwait(true);
Assumes.Present(_lazyRoslynPackage);
_optionService.RefreshOption(new OptionKey(SolutionCrawlerOptions.SolutionBackgroundAnalysisScopeOption), _lazyRoslynPackage.AnalysisScope);
_lazyRoslynPackage.AnalysisScopeChanged += OnAnalysisScopeChanged;
}
internal static async ValueTask <RoslynPackage?> GetOrLoadAsync(IThreadingContext threadingContext, IAsyncServiceProvider serviceProvider, CancellationToken cancellationToken)
{
if (_lazyInstance is null)
{
await threadingContext.JoinableTaskFactory.SwitchToMainThreadAsync(cancellationToken);
var shell = (IVsShell7?)await serviceProvider.GetServiceAsync(typeof(SVsShell)).ConfigureAwait(true);
Assumes.Present(shell);
await shell.LoadPackageAsync(typeof(RoslynPackage).GUID);
if (ErrorHandler.Succeeded(((IVsShell)shell).IsPackageLoaded(typeof(RoslynPackage).GUID, out var package)))
{
_lazyInstance = (RoslynPackage)package;
}
}
return(_lazyInstance);
}