private void AddRootNode(ViewCallHierarchyCommandArgs args)
{
_waitIndicator.Wait(EditorFeaturesResources.CallHierarchy, EditorFeaturesResources.ComputingCallHierarchyInformation, allowCancel: true, action: waitcontext =>
{
var cancellationToken = waitcontext.CancellationToken;
var document = args.SubjectBuffer.CurrentSnapshot.GetOpenDocumentInCurrentContextWithChanges();
if (document == null)
{
return;
}
var workspace = document.Project.Solution.Workspace;
var semanticModel = document.GetSemanticModelAsync(waitcontext.CancellationToken).WaitAndGetResult(cancellationToken);
var caretPosition = args.TextView.Caret.Position.BufferPosition.Position;
var symbolUnderCaret = SymbolFinder.FindSymbolAtPosition(semanticModel, caretPosition, workspace, cancellationToken);
if (symbolUnderCaret != null)
{
// Map symbols so that Call Hierachy works from metadata-as-source
var mappingService = document.Project.Solution.Workspace.Services.GetService <ISymbolMappingService>();
var mapping = mappingService.MapSymbolAsync(document, symbolUnderCaret, waitcontext.CancellationToken).WaitAndGetResult(cancellationToken);
if (mapping.Symbol != null)
{
var node = _provider.CreateItem(mapping.Symbol, mapping.Project, SpecializedCollections.EmptyEnumerable <Location>(), cancellationToken).WaitAndGetResult(cancellationToken);
if (node != null)
{
_presenter.PresentRoot((CallHierarchyItem)node);
}
}
}
});
}
private void AddRootNode(ViewCallHierarchyCommandArgs args, CommandExecutionContext context)
{
using (var waitScope = context.WaitContext.AddScope(allowCancellation: true, EditorFeaturesResources.Computing_Call_Hierarchy_Information))
{
var cancellationToken = context.WaitContext.UserCancellationToken;
var document = args.SubjectBuffer.CurrentSnapshot.GetOpenDocumentInCurrentContextWithChanges();
if (document == null)
{
return;
}
var workspace = document.Project.Solution.Workspace;
var semanticModel = document.GetSemanticModelAsync(cancellationToken).WaitAndGetResult(cancellationToken);
var caretPosition = args.TextView.Caret.Position.BufferPosition.Position;
var symbolUnderCaret = SymbolFinder.FindSymbolAtPositionAsync(semanticModel, caretPosition, workspace, cancellationToken)
.WaitAndGetResult(cancellationToken);
if (symbolUnderCaret != null)
{
// Map symbols so that Call Hierarchy works from metadata-as-source
var mappingService = document.Project.Solution.Workspace.Services.GetService <ISymbolMappingService>();
var mapping = mappingService.MapSymbolAsync(document, symbolUnderCaret, cancellationToken).WaitAndGetResult(cancellationToken);
if (mapping.Symbol != null)
{
var node = _provider.CreateItem(mapping.Symbol, mapping.Project, SpecializedCollections.EmptyEnumerable <Location>(), cancellationToken).WaitAndGetResult(cancellationToken);
if (node != null)
{
_presenter.PresentRoot((CallHierarchyItem)node);
}
}
}
else
{
// We are about to show a modal UI dialog so we should take over the command execution
// wait context. That means the command system won't attempt to show its own wait dialog
// and also will take it into consideration when measuring command handling duration.
waitScope.Context.TakeOwnership();
var notificationService = document.Project.Solution.Workspace.Services.GetService <INotificationService>();
notificationService.SendNotification(EditorFeaturesResources.Cursor_must_be_on_a_member_name, severity: NotificationSeverity.Information);
}
}
}
