private void OnGeneralChanged(GeneralChangedEventArgs args)
{
if (_language is null)
{
return;
}
foreach (var(language, generalInfo) in args.Changes)
{
if (_language.Equals(language))
{
_state = generalInfo.QuickInfoState;
}
}
}
public QuickInfoSource(
ITextBuffer textBuffer,
IReadOnlyDictionary <string, QuickInfoState> quickInfoOptions,
ITextDocumentFactoryService documentFactoryService)
{
_textBuffer = textBuffer;
_documentFactoryService = documentFactoryService;
_language = _textBuffer.GetLanguage();
_state = !(_language is null) && quickInfoOptions.TryGetValue(_language, out var state)
? state
: GeneralChangingService.Instance.GetDefaultQuickInfoState();
_documentFactoryService.TextDocumentDisposed += OnTextDocumentDisposed;
GeneralChangingService.Instance.GeneralChanged += OnGeneralChanged;
}
async Task InitializeAsync(ITextBuffer buffer, string code, MetadataReference[] refs, string languageName, ISynchronousTagger <IClassificationTag> tagger, CompilationOptions compilationOptions, ParseOptions parseOptions)
{
using (var workspace = new AdhocWorkspace(RoslynMefHostServices.DefaultServices)) {
var documents = new List <DocumentInfo>();
var projectId = ProjectId.CreateNewId();
documents.Add(DocumentInfo.Create(DocumentId.CreateNewId(projectId), "main.cs", null, SourceCodeKind.Regular, TextLoader.From(buffer.AsTextContainer(), VersionStamp.Create())));
var projectInfo = ProjectInfo.Create(projectId, VersionStamp.Create(), "compilecodeproj", Guid.NewGuid().ToString(), languageName,
compilationOptions: compilationOptions
.WithOptimizationLevel(OptimizationLevel.Release)
.WithPlatform(Platform.AnyCpu)
.WithAssemblyIdentityComparer(DesktopAssemblyIdentityComparer.Default),
parseOptions: parseOptions,
documents: documents,
metadataReferences: refs,
isSubmission: false, hostObjectType: null);
workspace.AddProject(projectInfo);
foreach (var doc in documents)
{
workspace.OpenDocument(doc.Id);
}
buffer.Replace(new Span(0, buffer.CurrentSnapshot.Length), code);
{
// Initialize classification code paths
var spans = new NormalizedSnapshotSpanCollection(new SnapshotSpan(buffer.CurrentSnapshot, 0, buffer.CurrentSnapshot.Length));
foreach (var tagSpan in tagger.GetTags(spans, CancellationToken.None))
{
}
}
{
// Initialize completion code paths
var info = CompletionInfo.Create(buffer.CurrentSnapshot);
Debug.Assert(info != null);
if (info != null)
{
var completionTrigger = CompletionTrigger.Invoke;
var completionList = await info.Value.CompletionService.GetCompletionsAsync(info.Value.Document, 0, completionTrigger);
}
}
{
// Initialize signature help code paths
var info = SignatureHelpInfo.Create(buffer.CurrentSnapshot);
Debug.Assert(info != null);
if (info != null)
{
int sigHelpIndex = code.IndexOf("sighelp");
Debug.Assert(sigHelpIndex >= 0);
var triggerInfo = new SignatureHelpTriggerInfo(SignatureHelpTriggerReason.InvokeSignatureHelpCommand);
var items = await info.Value.SignatureHelpService.GetItemsAsync(info.Value.Document, sigHelpIndex, triggerInfo);
}
}
{
// Initialize quick info code paths
var info = QuickInfoState.Create(buffer.CurrentSnapshot);
Debug.Assert(info != null);
if (info != null)
{
int quickInfoIndex = code.IndexOf("Equals");
Debug.Assert(quickInfoIndex >= 0);
var item = await info.Value.QuickInfoService.GetItemAsync(info.Value.Document, quickInfoIndex);
}
}
}
}
public GeneralInfo(EditorState editorState, QuickInfoState quickInfoState)
{
EditorState = editorState;
QuickInfoState = quickInfoState;
}