public XamarinStackFrame(XamarinEngine engine, XamarinThread thread, Mono.Debugging.Client.StackFrame stackFrame)
{
_engine = engine;
_thread = thread;
_stackFrame = stackFrame;
_parameters = _stackFrame.GetParameters();
_locals = _stackFrame.GetLocalVariables();
_thisObject = _stackFrame.GetThisReference();
}
public async Task <Mono.Debugging.Client.CompletionData> GetExpressionCompletionData(string exp, Mono.Debugging.Client.StackFrame frame, CancellationToken token)
{
var location = frame.SourceLocation;
var document = DocumentContext.AnalysisDocument;
if (document == null)
{
return(null);
}
var solution = DocumentContext.RoslynWorkspace.CurrentSolution;
var originalSnapshot = Editor.TextView.TextBuffer.CurrentSnapshot;
var text = originalSnapshot.GetText(new Span(0, originalSnapshot.Length));
var insertOffset = GetAdjustedContextPoint(originalSnapshot.GetLineFromLineNumber(location.EndLine - 1).Start.Position + location.EndColumn - 1, document);
text = text.Insert(insertOffset, ";" + exp + ";");
insertOffset++; //advance for 1 which represents `;` before expression
var textBuffer = PlatformCatalog.Instance.TextBufferFactoryService.CreateTextBuffer(text, Editor.TextView.TextBuffer.ContentType);
var snapshot = textBuffer.CurrentSnapshot;
try {
//Workaround Mono bug: https://github.com/mono/mono/issues/8700
snapshot.AsText();
} catch (Exception) {
}
// Fork the solution using this new primary buffer for the document and all of its linked documents.
var forkedSolution = solution.WithDocumentText(document.Id, snapshot.AsText(), PreservationMode.PreserveIdentity);
foreach (var link in document.GetLinkedDocumentIds())
{
forkedSolution = forkedSolution.WithDocumentText(link, snapshot.AsText(), PreservationMode.PreserveIdentity);
}
// Put it into a new workspace, and open it and its related documents
// with the projection buffer as the text.
var forkedWorkspace = new DebuggerIntelliSenseWorkspace(forkedSolution);
forkedWorkspace.OpenDocument(document.Id, textBuffer.AsTextContainer());
foreach (var link in document.GetLinkedDocumentIds())
{
forkedWorkspace.OpenDocument(link, textBuffer.AsTextContainer());
}
var cs = forkedWorkspace.Services.GetLanguageServices(LanguageNames.CSharp).GetService <CompletionService> ();
var trigger = new CompletionTrigger(CompletionTriggerKind.Invoke, '\0');
var roslynCompletions = await cs.GetCompletionsAsync(forkedWorkspace.CurrentSolution.GetDocument(document.Id), insertOffset + exp.Length, trigger, cancellationToken : token).ConfigureAwait(false);
if (roslynCompletions == null)
{
return(null);
}
var result = new Mono.Debugging.Client.CompletionData();
foreach (var roslynCompletion in roslynCompletions.Items)
{
if (roslynCompletion.Tags.Contains(WellKnownTags.Snippet))
{
continue;
}
result.Items.Add(new Mono.Debugging.Client.CompletionItem(roslynCompletion.DisplayText, RoslynTagsToDebuggerFlags(roslynCompletion.Tags)));
}
result.ExpressionLength = roslynCompletions.Span.Length;
return(result);
}
