/// <summary>
/// Clears all tracked buffers for the given project entry and moniker for
/// the error source.
/// </summary>
public void ClearErrorSource(AnalysisEntry entry, string moniker)
{
Clear(entry, moniker);
lock (_errorSources) {
_errorSources.Remove(new EntryKey(entry, moniker));
}
}
public ExpressionAtPoint(AnalysisEntry entry, string text, ITrackingSpan span, SourceSpan sourceSpan)
{
Entry = entry;
Text = text;
Span = span;
SourceSpan = sourceSpan;
}
internal static async Task ParseBuffersAsync(
PythonEditorServices services,
AnalysisEntry entry,
IEnumerable <ITextSnapshot> snapshots
)
{
var updates = snapshots.Select(s => GetUpdateForSnapshot(services, s)).Where(u => u != null).ToList();
if (!updates.Any())
{
return;
}
entry.Analyzer._analysisComplete = false;
Interlocked.Increment(ref entry.Analyzer._parsePending);
var res = await entry.Analyzer.SendRequestAsync(
new AP.FileUpdateRequest()
{
fileId = entry.FileId,
updates = updates.ToArray()
}
);
if (res != null)
{
Debug.Assert(res.failed != true);
entry.Analyzer.OnAnalysisStarted();
ValidateBufferContents(snapshots, res.newCode);
}
else
{
Interlocked.Decrement(ref entry.Analyzer._parsePending);
}
}
private async void OnNewAnalysis(AnalysisEntry entry, ITextBuffer buffer) {
if (!_enabled && !_alwaysCreateSquiggle) {
_taskProvider.Clear(entry, VsProjectAnalyzer.UnresolvedImportMoniker);
return;
}
var missingImports = await entry.Analyzer.GetMissingImportsAsync(entry, buffer);
if (missingImports != null) {
var missing = missingImports.Data;
if (missing.unresolved.Any()) {
var translator = missingImports.GetTracker(missingImports.Data.version);
if (translator != null) {
var f = new TaskProviderItemFactory(translator);
_taskProvider.ReplaceItems(
entry,
VsProjectAnalyzer.UnresolvedImportMoniker,
missingImports.Data.unresolved.Select(t => f.FromUnresolvedImport(
_serviceProvider,
entry.Analyzer.InterpreterFactory as IPythonInterpreterFactoryWithDatabase,
t.name,
new SourceSpan(
new SourceLocation(t.startIndex, t.startLine, t.startColumn),
new SourceLocation(t.endIndex, t.endLine, t.endColumn)
)
)).ToList()
);
}
} else {
_taskProvider.Clear(entry, VsProjectAnalyzer.UnresolvedImportMoniker);
}
}
}
/// <summary>
/// Gets the analysis entry for the given view.
///
/// For files on disk this is pretty easy - we analyze each file on it's own in a buffer parser.
/// Therefore we map filename -> analyzer and then get the analysis from the analyzer. If we
/// determine an analyzer but the file isn't loaded into it for some reason this would return null.
/// We can also apply some policy to buffers depending upon the view that they're hosted in. For
/// example if a buffer is outside of any projects, but hosted in a difference view with a buffer
/// that is in a project, then we'll look in the view that has the project.
///
/// For interactive windows we will use the analyzer that's configured for the window.
/// </summary>
public bool TryGetAnalysisEntry(ITextView textView, out AnalysisEntry entry)
{
if (textView == null)
{
throw new ArgumentNullException(nameof(textView));
}
if (TryGetAnalysisEntry(textView.TextBuffer, out entry))
{
return(true);
}
if (textView != null)
{
// If we have a difference viewer we'll match the LHS w/ the RHS
var viewer = _diffService?.TryGetViewerForTextView(textView);
if (viewer != null)
{
if (TryGetAnalysisEntry(viewer.DifferenceBuffer.RightBuffer, out entry))
{
return(true);
}
if (TryGetAnalysisEntry(viewer.DifferenceBuffer.LeftBuffer, out entry))
{
return(true);
}
}
}
entry = null;
return(false);
}
private IEnumerable <CompletionResult> GetAvailableCompletions(AnalysisEntry analysis, SnapshotPoint point)
{
var analyzer = analysis.Analyzer;
lock (analyzer) {
var location = VsProjectAnalyzer.TranslateIndex(
point.Position,
point.Snapshot,
analysis
);
var parameters = Enumerable.Empty <CompletionResult>();
var sigs = analyzer.WaitForRequest(analyzer.GetSignaturesAsync(analysis, View, _snapshot, Span), "GetCompletions.GetSignatures");
if (sigs != null && sigs.Signatures.Any())
{
parameters = sigs.Signatures
.SelectMany(s => s.Parameters)
.Select(p => p.Name)
.Distinct()
.Select(n => new CompletionResult(n, PythonMemberType.Field));
}
return(analyzer.WaitForRequest(analyzer.GetAllAvailableMembersAsync(analysis, location, _options.MemberOptions), "GetCompletions.GetAllAvailableMembers")
.MaybeEnumerate()
.Union(parameters, CompletionComparer.MemberEquality));
}
}
public ExpressionAtPoint(AnalysisEntry entry, string text, ITrackingSpan span, SourceLocation location)
{
Entry = entry;
Text = text;
Span = span;
Location = location;
}
public void ListenForNextNewAnalysis(AnalysisEntry entry, ITextBuffer buffer) {
if (entry != null && !string.IsNullOrEmpty(entry.Path)) {
buffer.RegisterForNewAnalysis(newEntry => OnNewAnalysis(newEntry, buffer));
if (entry.IsAnalyzed) {
OnNewAnalysis(entry, buffer);
}
}
}
public BufferParser(AnalysisEntry entry)
{
Debug.Assert(entry != null);
_services = entry.Analyzer._services;
_timer = new Timer(ReparseTimer, null, Timeout.Infinite, Timeout.Infinite);
_buffers = Array.Empty <PythonTextBufferInfo>();
AnalysisEntry = entry;
}
public static async Task<BufferParser> CreateAsync(AnalysisEntry analysis, VsProjectAnalyzer parser, ITextBuffer buffer) {
var res = new BufferParser(analysis, parser, buffer);
using (new DebugTimer("BufferParser.ParseBuffers", 100)) {
// lock not necessary for _bufferInfo, no one has access to us yet...
await res.ParseBuffers(new[] { buffer.CurrentSnapshot }, new[] { res._bufferInfo[buffer] });
}
return res;
}
public void ListenForNextNewAnalysis(AnalysisEntry entry, ITextBuffer buffer)
{
if (entry != null && !string.IsNullOrEmpty(entry.Path))
{
buffer.RegisterForNewAnalysis(newEntry => OnNewAnalysis(newEntry, buffer));
if (entry.IsAnalyzed)
{
OnNewAnalysis(entry, buffer);
}
}
}
internal static async Task <BufferParser> CreateAsync(AnalysisEntry analysis, VsProjectAnalyzer parser, ITextBuffer buffer)
{
var res = new BufferParser(analysis, parser, buffer);
using (new DebugTimer("BufferParser.ParseBuffers", 100)) {
// lock not necessary for _bufferInfo, no one has access to us yet...
await res.ParseBuffers(new[] { buffer.CurrentSnapshot }, new[] { res._bufferInfo[buffer] });
}
return(res);
}
private BufferParser(AnalysisEntry analysis, VsProjectAnalyzer parser, ITextBuffer buffer)
{
Debug.Assert(analysis != null);
_parser = parser;
_timer = new Timer(ReparseTimer, null, Timeout.Infinite, Timeout.Infinite);
_buffers = new[] { buffer };
AnalysisEntry = analysis;
InitBuffer(buffer, 0);
}
/// <summary>
/// Removes the buffer from tracking for reporting squiggles and error list entries
/// for the given project entry and moniker for the error source.
/// </summary>
public void RemoveBufferForErrorSource(AnalysisEntry entry, string moniker, ITextBuffer buffer)
{
lock (_errorSources) {
var key = new EntryKey(entry, moniker);
HashSet <ITextBuffer> buffers;
if (_errorSources.TryGetValue(key, out buffers))
{
buffers.Remove(buffer);
}
}
}
protected override async Task OnNewAnalysis(PythonTextBufferInfo bi, AnalysisEntry entry)
{
if (!Enabled && !_alwaysCreateSquiggle || bi?.Document == null || bi.Buffer?.Properties == null)
{
TaskProvider.Clear(bi.Filename, VsProjectAnalyzer.InvalidEncodingMoniker);
return;
}
var snapshot = bi.CurrentSnapshot;
var message = CheckEncoding(snapshot, bi.Document.Encoding, out var magicEncodingName, out var magicEncodingIndex);
if (message != null)
{
if (!bi.Buffer.Properties.TryGetProperty <string>(VsProjectAnalyzer.InvalidEncodingMoniker, out var prevMessage) ||
prevMessage != message)
{
bi.Buffer.Properties[VsProjectAnalyzer.InvalidEncodingMoniker] = message;
SourceSpan span;
if (string.IsNullOrEmpty(magicEncodingName))
{
var pt = new SnapshotPoint(snapshot, magicEncodingIndex).ToSourceLocation();
span = new SourceSpan(pt, new SourceLocation(pt.Line, int.MaxValue));
}
else
{
span = new SnapshotSpan(snapshot, magicEncodingIndex, magicEncodingName.Length).ToSourceSpan();
}
TaskProvider.ReplaceItems(
bi.Filename,
VsProjectAnalyzer.InvalidEncodingMoniker,
new List <TaskProviderItem> {
new TaskProviderItem(
Services.Site,
VsProjectAnalyzer.InvalidEncodingMoniker,
message,
span,
VSTASKPRIORITY.TP_NORMAL,
VSTASKCATEGORY.CAT_CODESENSE,
true,
bi.LocationTracker,
snapshot.Version.VersionNumber
)
});
}
}
else
{
TaskProvider.Clear(bi.Filename, VsProjectAnalyzer.InvalidEncodingMoniker);
bi.Buffer.Properties.RemoveProperty(VsProjectAnalyzer.InvalidEncodingMoniker);
}
}
/// <summary>
/// Adds the buffer to be tracked for reporting squiggles and error list entries
/// for the given project entry and moniker for the error source.
/// </summary>
public void AddBufferForErrorSource(AnalysisEntry entry, string moniker, ITextBuffer buffer)
{
lock (_errorSources) {
var key = new EntryKey(entry, moniker);
HashSet <ITextBuffer> buffers;
if (!_errorSources.TryGetValue(key, out buffers))
{
_errorSources[new EntryKey(entry, moniker)] = buffers = new HashSet <ITextBuffer>();
}
buffers.Add(buffer);
}
}
private BufferParser(AnalysisEntry analysis, VsProjectAnalyzer parser, ITextBuffer buffer) {
Debug.Assert(analysis != null);
_parser = parser;
_timer = new Timer(ReparseTimer, null, Timeout.Infinite, Timeout.Infinite);
_buffers = new[] { buffer };
AnalysisEntry = analysis;
analysis.BufferParser = this;
InitBuffer(buffer, 0);
}
private const int ReparseDelay = 1000; // delay in MS before we re-parse a buffer w/ non-line changes.
public BufferParser(AnalysisEntry analysis, VsProjectAnalyzer parser, ITextBuffer buffer)
{
_parser = parser;
_timer = new Timer(ReparseTimer, null, Timeout.Infinite, Timeout.Infinite);
_buffers = new[] { buffer };
_analysis = analysis;
AttachedViews = 1;
analysis.BufferParser = this;
InitBuffer(buffer, 0);
// lock not necessary for _bufferInfo, no one has access to us yet...
ParseBuffers(new[] { buffer.CurrentSnapshot }, new[] { _bufferInfo[buffer] }).DoNotWait();
}
public BufferParser(AnalysisEntry analysis, VsProjectAnalyzer parser, ITextBuffer buffer) {
Debug.Assert(analysis != null);
_parser = parser;
_timer = new Timer(ReparseTimer, null, Timeout.Infinite, Timeout.Infinite);
_buffers = new[] { buffer };
AnalysisEntry = analysis;
analysis.BufferParser = this;
InitBuffer(buffer, 0);
// lock not necessary for _bufferInfo, no one has access to us yet...
ParseBuffers(new[] { buffer.CurrentSnapshot }, new[] { _bufferInfo[buffer] }).DoNotWait();
}
public DropDownBarClient(IServiceProvider serviceProvider, IWpfTextView textView, AnalysisEntry analysisEntry) {
Utilities.ArgumentNotNull(nameof(serviceProvider), serviceProvider);
Utilities.ArgumentNotNull(nameof(textView), textView);
Utilities.ArgumentNotNull(nameof(analysisEntry), analysisEntry);
_serviceProvider = serviceProvider;
_uiThread = _serviceProvider.GetUIThread();
_analysisEntry = analysisEntry;
textView.TextBuffer.RegisterForParseTree(ParserOnNewParseTree);
_textView = textView;
_dispatcher = Dispatcher.CurrentDispatcher;
_textView.Caret.PositionChanged += CaretPositionChanged;
for (int i = 0; i < NavigationLevels; i++) {
_curSelection[i] = -1;
}
}
private void NewAnalysisEntry(AnalysisEntry entry) {
var analyzer = entry.Analyzer;
var newVersion = _version;
if (newVersion != _version) {
_tokenCache.Clear();
Debug.Assert(analyzer != null);
_version = analyzer.InterpreterFactory.GetLanguageVersion();
var changed = ClassificationChanged;
if (changed != null) {
var snapshot = _buffer.CurrentSnapshot;
changed(this, new ClassificationChangedEventArgs(new SnapshotSpan(snapshot, 0, snapshot.Length)));
}
}
}
private async void OnNewAnalysis(AnalysisEntry entry, ITextBuffer buffer)
{
if (!_alwaysCreateSquiggle)
{
var service = _serviceProvider.GetPythonToolsService();
if (service == null || !service.GeneralOptions.UnresolvedImportWarning)
{
return;
}
}
var missingImports = await entry.Analyzer.GetMissingImportsAsync(entry, buffer);
if (missingImports != null)
{
var missing = missingImports.Data;
if (missing.unresolved.Any())
{
var translator = missingImports.GetTracker(missingImports.Data.version);
if (translator != null)
{
var f = new TaskProviderItemFactory(translator);
_taskProvider.ReplaceItems(
entry,
VsProjectAnalyzer.UnresolvedImportMoniker,
missingImports.Data.unresolved.Select(t => f.FromUnresolvedImport(
_serviceProvider,
entry.Analyzer.InterpreterFactory as IPythonInterpreterFactoryWithDatabase,
t.name,
new SourceSpan(
new SourceLocation(t.startIndex, t.startLine, t.startColumn),
new SourceLocation(t.endIndex, t.endLine, t.endColumn)
)
)).ToList()
);
}
}
else
{
_taskProvider.Clear(entry, VsProjectAnalyzer.UnresolvedImportMoniker);
}
}
}
/// <summary>
/// Gets the analysis entry for the given buffer.
///
/// This will only succeed if the buffer is a file on disk. It is not able to support things like
/// difference views because we don't know what view this buffer is hosted in. This method should
/// only be used when we don't know the current view for the buffer. Otherwise, use
/// <see cref="TryGetAnalysisEntry(ITextView, ITextBuffer, out AnalysisEntry)"/>
/// </summary>
public bool TryGetAnalysisEntry(ITextBuffer textBuffer, out AnalysisEntry entry)
{
if (textBuffer == null)
{
entry = null;
return(false);
}
// If we have a REPL evaluator we'll use its analyzer
IPythonInteractiveIntellisense evaluator;
if ((evaluator = textBuffer.GetInteractiveWindow()?.Evaluator as IPythonInteractiveIntellisense) != null)
{
entry = evaluator.Analyzer?.GetAnalysisEntryFromPath(evaluator.AnalysisFilename);
if (entry != null)
{
return(true);
}
}
var bufferInfo = PythonTextBufferInfo.TryGetForBuffer(textBuffer);
if (bufferInfo?.AnalysisEntry != null)
{
entry = bufferInfo.AnalysisEntry;
return(true);
}
// Fall back on finding the analyzer and path separately
ProjectAnalyzer analyzer;
string path;
if (TryGetAnalyzer(textBuffer, out analyzer, out path))
{
entry = (analyzer as VsProjectAnalyzer)?.GetAnalysisEntryFromPath(path);
if (entry != null)
{
return(true);
}
}
entry = null;
return(false);
}
protected override async Task OnNewAnalysis(PythonTextBufferInfo bi, AnalysisEntry entry)
{
if (!Enabled && !_alwaysCreateSquiggle || entry == null)
{
TaskProvider.Clear(bi.Filename, VsProjectAnalyzer.UnresolvedImportMoniker);
return;
}
var missingImports = await entry.Analyzer.GetMissingImportsAsync(entry, bi.Buffer);
if (missingImports == null)
{
return;
}
if (missingImports.Data.unresolved.Any())
{
var translator = missingImports.GetTracker(missingImports.Data.version);
if (translator != null)
{
var f = new TaskProviderItemFactory(translator);
TaskProvider.ReplaceItems(
bi.Filename,
VsProjectAnalyzer.UnresolvedImportMoniker,
missingImports.Data.unresolved.Select(t => f.FromUnresolvedImport(
Services.Site,
entry.Analyzer.InterpreterFactory as IPythonInterpreterFactoryWithDatabase,
t.name,
new SourceSpan(
new SourceLocation(t.startLine, t.startColumn),
new SourceLocation(t.endLine, t.endColumn)
)
)).ToList()
);
}
}
else
{
TaskProvider.Clear(bi.Filename, VsProjectAnalyzer.UnresolvedImportMoniker);
}
}
private async void OnNewAnalysis(AnalysisEntry entry) {
if (!_provider._colorNames) {
bool raise = false;
lock (_spanCacheLock) {
if (_spanCache != null) {
_spanCache = null;
raise = true;
}
}
if (raise) {
OnNewClassifications(_buffer.CurrentSnapshot);
}
return;
}
var classifications = await entry.Analyzer.GetAnalysisClassificationsAsync(
entry,
_buffer,
_provider._colorNamesWithAnalysis
);
if (classifications != null) {
Debug.WriteLine("Received {0} classifications", classifications.Data.classifications.Length);
// sort the spans by starting position so we can use binary search when handing them out
Array.Sort(
classifications.Data.classifications,
(x, y) => x.start - y.start
);
lock (_spanCacheLock) {
_spanCache = classifications.Data.classifications;
_spanTranslator = classifications.GetTracker(classifications.Data.version);
}
if (_spanTranslator != null) {
OnNewClassifications(_buffer.CurrentSnapshot);
}
}
}
/// <summary>
/// Gets the analysis entry for the given view and buffer.
///
/// For files on disk this is pretty easy - we analyze each file on it's own in a buffer parser.
/// Therefore we map filename -> analyzer and then get the analysis from the analyzer. If we
/// determine an analyzer but the file isn't loaded into it for some reason this would return null.
/// We can also apply some policy to buffers depending upon the view that they're hosted in. For
/// example if a buffer is outside of any projects, but hosted in a difference view with a buffer
/// that is in a project, then we'll look in the view that has the project.
///
/// For interactive windows we will use the analyzer that's configured for the window.
/// </summary>
public bool TryGetAnalysisEntry(ITextView textView, ITextBuffer textBuffer, out AnalysisEntry entry)
{
ProjectAnalyzer analyzer;
string filename;
if ((textView == null || !TryGetAnalyzer(textView, out analyzer, out filename)) &&
!TryGetAnalyzer(textBuffer, out analyzer, out filename))
{
entry = null;
return(false);
}
var vsAnalyzer = analyzer as VsProjectAnalyzer;
if (vsAnalyzer != null)
{
entry = vsAnalyzer.GetAnalysisEntryFromPath(filename);
return(entry != null);
}
entry = null;
return(false);
}
//public void SetAnalyzer(ITextBuffer textBuffer, VsProjectAnalyzer analyzer) {
// if (textBuffer == null) {
// throw new ArgumentNullException(nameof(textBuffer));
// }
//
// if (analyzer == null) {
// textBuffer.Properties.RemoveProperty(typeof(VsProjectAnalyzer));
// return;
// }
//
// textBuffer.Properties[typeof(VsProjectAnalyzer)] = analyzer;
//
// TaskCompletionSource<object> tcs;
// if (textBuffer.Properties.TryGetProperty(_waitForAnalyzerKey, out tcs)) {
// tcs.TrySetResult(null);
// textBuffer.Properties.RemoveProperty(_waitForAnalyzerKey);
// }
//}
/// <summary>
/// Gets the analysis entry for the given view and buffer.
///
/// For files on disk this is pretty easy - we analyze each file on it's own in a buffer parser.
/// Therefore we map filename -> analyzer and then get the analysis from the analyzer. If we
/// determine an analyzer but the file isn't loaded into it for some reason this would return null.
/// We can also apply some policy to buffers depending upon the view that they're hosted in. For
/// example if a buffer is outside of any projects, but hosted in a difference view with a buffer
/// that is in a project, then we'll look in the view that has the project.
///
/// For interactive windows we will use the analyzer that's configured for the window.
/// </summary>
public bool TryGetAnalysisEntry(ITextView textView, ITextBuffer textBuffer, out AnalysisEntry entry)
{
var bi = PythonTextBufferInfo.TryGetForBuffer(textBuffer ?? textView?.TextBuffer);
if (bi == null && textView != null)
{
// If we have a difference viewer we'll match the LHS w/ the RHS
var viewer = _diffService?.TryGetViewerForTextView(textView);
if (viewer != null)
{
if (TryGetAnalysisEntry(viewer.DifferenceBuffer.RightBuffer, out entry))
{
return(true);
}
if (TryGetAnalysisEntry(viewer.DifferenceBuffer.LeftBuffer, out entry))
{
return(true);
}
}
}
entry = bi?.AnalysisEntry;
return(entry != null);
}
public EntryEventArgs(AnalysisEntry entry) {
Entry = entry;
}
/// <summary>
/// Removes all items for the specified entry.
/// </summary>
public void Clear(AnalysisEntry entry, string moniker)
{
SendMessage(WorkerMessage.Clear(entry, moniker));
}
/// <summary>
/// Adds items to the specified entry's existing items.
/// </summary>
public void AddItems(AnalysisEntry entry, string moniker, List <TaskProviderItem> items)
{
SendMessage(WorkerMessage.Append(entry, moniker, items));
}
/// <summary>
/// Replaces the items for the specified entry.
/// </summary>
public void ReplaceItems(AnalysisEntry entry, string moniker, List <TaskProviderItem> items)
{
SendMessage(WorkerMessage.Replace(entry, moniker, items));
}
public static WorkerMessage Append(AnalysisEntry entry, string moniker, List <TaskProviderItem> items)
{
return(new AppendMessage(new EntryKey(entry, moniker), items));
}
public static WorkerMessage Clear(AnalysisEntry entry, string moniker)
{
return(new ClearMessage(new EntryKey(entry, moniker)));
}
public EntryKey(AnalysisEntry entry, string moniker)
{
Entry = entry;
Moniker = moniker;
}
public MonitoredBufferResult(BufferParser bufferParser, AnalysisEntry projectEntry)
{
BufferParser = bufferParser;
AnalysisEntry = projectEntry;
}
public ExtractedMethodCreator(VsProjectAnalyzer analyzer, AnalysisEntry file, ITextView view, ITextBuffer buffer, AP.ExtractMethodResponse initialExtraction) {
_analyzer = analyzer;
_analysisEntry = file;
_view = view;
_buffer = buffer;
LastExtraction = initialExtraction;
}
public EntryEventArgs(AnalysisEntry entry)
{
Entry = entry;
}
protected abstract Task OnNewAnalysis(PythonTextBufferInfo bi, AnalysisEntry entry);
private void OnNewAnalysisEntry(AnalysisEntry obj)
{
SuggestedActionsChanged?.Invoke(this, EventArgs.Empty);
}
public MonitoredBufferResult(BufferParser bufferParser, AnalysisEntry projectEntry) {
BufferParser = bufferParser;
AnalysisEntry = projectEntry;
}
private void OnNewAnalysisEntry(AnalysisEntry obj) {
SuggestedActionsChanged?.Invoke(this, EventArgs.Empty);
}
/// <summary>
/// Wired to parser event for when the parser has completed parsing a new tree and we need
/// to update the navigation bar with the new data.
/// </summary>
private async void ParserOnNewParseTree(AnalysisEntry entry) {
var dropDownBar = _dropDownBar;
if (dropDownBar == null) {
return;
}
var navigations = await _uiThread.InvokeTask(() => _analysisEntry.Analyzer.GetNavigationsAsync(_textView));
lock (_navigationsLock) {
_navigations = navigations;
for (int i = 0; i < _curSelection.Length; i++) {
_curSelection[i] = -1;
}
}
Action callback = () => CaretPositionChanged(
this,
new CaretPositionChangedEventArgs(
_textView,
_textView.Caret.Position,
_textView.Caret.Position
)
);
try {
await _dispatcher.BeginInvoke(callback, DispatcherPriority.Background);
} catch (TaskCanceledException) {
}
}
private async Task ParseBuffers(ITextSnapshot[] snapshots, BufferInfo[] bufferInfos)
{
var indentationSeverity = _parser.PyService.GeneralOptions.IndentationInconsistencySeverity;
AnalysisEntry entry = AnalysisEntry;
List <AP.FileUpdate> updates = new List <AP.FileUpdate>();
lock (this) {
for (int i = 0; i < snapshots.Length; i++)
{
var snapshot = snapshots[i];
var bufferInfo = bufferInfos[i];
if (snapshot.TextBuffer.Properties.ContainsProperty(DoNotParse) ||
snapshot.IsReplBufferWithCommand())
{
continue;
}
var lastSent = GetLastSentSnapshot(bufferInfo.Buffer);
if (lastSent == null || lastSent.TextBuffer != snapshot.TextBuffer)
{
// First time parsing from a live buffer, send the entire
// file and set our initial snapshot. We'll roll forward
// to new snapshots when we receive the errors event. This
// just makes sure that the content is in sync.
updates.Add(
new AP.FileUpdate()
{
content = snapshot.GetText(),
version = snapshot.Version.VersionNumber,
bufferId = bufferInfo.Id,
kind = AP.FileUpdateKind.reset
}
);
}
else
{
if (lastSent.Version == snapshot.Version)
{
// this snapshot is up to date...
continue;
}
List <AP.VersionChanges> versions = new List <AnalysisProtocol.VersionChanges>();
for (var curVersion = lastSent.Version;
curVersion != snapshot.Version;
curVersion = curVersion.Next)
{
versions.Add(
new AP.VersionChanges()
{
changes = GetChanges(curVersion)
}
);
}
updates.Add(
new AP.FileUpdate()
{
versions = versions.ToArray(),
version = snapshot.Version.VersionNumber,
bufferId = bufferInfo.Id,
kind = AP.FileUpdateKind.changes
}
);
}
Debug.WriteLine("Added parse request {0}", snapshot.Version.VersionNumber);
entry.AnalysisCookie = new SnapshotCookie(snapshot); // TODO: What about multiple snapshots?
SetLastSentSnapshot(snapshot);
}
}
if (updates.Count != 0)
{
_parser._analysisComplete = false;
Interlocked.Increment(ref _parser._parsePending);
var res = await _parser.SendRequestAsync(
new AP.FileUpdateRequest()
{
fileId = entry.FileId,
updates = updates.ToArray()
}
);
if (res != null)
{
Debug.Assert(res.failed != true);
_parser.OnAnalysisStarted();
#if DEBUG
for (int i = 0; i < bufferInfos.Length; i++)
{
var snapshot = snapshots[i];
var buffer = bufferInfos[i];
string newCode;
if (res.newCode.TryGetValue(buffer.Id, out newCode))
{
Debug.Assert(newCode == snapshot.GetText(), "Buffer content mismatch - safe to ignore");
}
}
#endif
}
else
{
Interlocked.Decrement(ref _parser._parsePending);
}
}
}
