private async Task UpdateList() {
if (_updating) {
return;
}
try {
_updating = true;
// May be null in tests
IRSession session = Workflow.RSession;
if (session.IsHostRunning) {
var stackFrames = await session.TracebackAsync();
var globalStackFrame = stackFrames.FirstOrDefault(s => s.IsGlobal);
if (globalStackFrame != null) {
const REvaluationResultProperties properties =
ExpressionProperty |
AccessorKindProperty |
TypeNameProperty |
ClassesProperty |
LengthProperty |
SlotCountProperty |
AttributeCountProperty |
DimProperty |
FlagsProperty;
var evaluation = await globalStackFrame.TryEvaluateAndDescribeAsync("base::environment()", "Global Environment", properties, RValueRepresentations.Str());
var e = new RSessionDataObject(evaluation); // root level doesn't truncate children and return every variables
_topLevelVariables.Clear();
var children = await e.GetChildrenAsync();
if (children != null) {
foreach (var x in children) {
_topLevelVariables[x.Name] = x; // TODO: BUGBUG: this doesn't address removed variables
}
}
}
}
} finally {
_updating = false;
}
}
private async Task UpdateList() {
if (_updating) {
return;
}
try {
_updating = true;
// May be null in tests
var sessionProvider = EditorShell.Current.ExportProvider.GetExportedValueOrDefault<IRSessionProvider>();
var session = sessionProvider.GetOrCreate(GuidList.InteractiveWindowRSessionGuid, null);
if (session.IsHostRunning) {
var debugSessionProvider = EditorShell.Current.ExportProvider.GetExportedValueOrDefault<IDebugSessionProvider>();
if (debugSessionProvider != null) {
var debugSession = await debugSessionProvider.GetDebugSessionAsync(Session);
if (debugSession != null) {
var stackFrames = await debugSession.GetStackFramesAsync();
var globalStackFrame = stackFrames.FirstOrDefault(s => s.IsGlobal);
if (globalStackFrame != null) {
DebugEvaluationResult evaluation = await globalStackFrame.EvaluateAsync("base::environment()", "Global Environment");
var e = new RSessionDataObject(evaluation); // root level doesn't truncate children and return every variables
_topLevelVariables.Clear();
var children = await e.GetChildrenAsync();
if (children != null) {
foreach (var x in children) {
_topLevelVariables[x.Name] = x; // TODO: BUGBUG: this doesn't address removed variables
}
}
}
}
}
}
} finally {
_updating = false;
}
}