public async Task FindReferencesAsync(
Document document, int position, FindUsagesContext context)
{
// NOTE: All ConFigureAwaits in this method need to pass 'true' so that
// we return to the caller's context. that's so the call to
// CallThirdPartyExtensionsAsync will happen on the UI thread. We need
// this to maintain the threading guarantee we had around that method
// from pre-Roslyn days.
var findReferencesProgress = await FindReferencesWorkerAsync(
document, position, context).ConfigureAwait(true);
if (findReferencesProgress == null)
{
return;
}
// After the FAR engine is done call into any third party extensions to see
// if they want to add results.
await findReferencesProgress.CallThirdPartyExtensionsAsync().ConfigureAwait(true);
}
private async Task <ProgressAdapter> FindReferencesWorkerAsync(
Document document, int position, FindUsagesContext context)
{
var cancellationToken = context.CancellationToken;
cancellationToken.ThrowIfCancellationRequested();
// Find the symbol we want to search and the solution we want to search in.
var symbolAndProject = await GetRelevantSymbolAndProjectAtPositionAsync(
document, position, cancellationToken).ConfigureAwait(false);
if (symbolAndProject == null)
{
return(null);
}
var symbol = symbolAndProject.Item1;
var project = symbolAndProject.Item2;
var displayName = GetDisplayName(symbol);
context.SetSearchLabel(displayName);
var progressAdapter = new ProgressAdapter(project.Solution, context);
// Now call into the underlying FAR engine to find reference. The FAR
// engine will push results into the 'progress' instance passed into it.
// We'll take those results, massage them, and forward them along to the
// FindReferencesContext instance we were given.
await SymbolFinder.FindReferencesAsync(
SymbolAndProjectId.Create(symbol, project.Id),
project.Solution,
progressAdapter,
documents : null,
cancellationToken : cancellationToken).ConfigureAwait(false);
return(progressAdapter);
}
public MockStreamingFindUsagesPresenter(FindUsagesContext context) => _context = context;
public ProgressAdapter(Solution solution, FindUsagesContext context)
{
_solution = solution;
_context = context;
_definitionFactory = s => s.ToDefinitionItem(solution);
}
public VSTypeScriptFindUsagesContext(FindUsagesContext underlyingObject) => UnderlyingObject = underlyingObject;
