public IEnumerable <ITagSpan <GLSLHighlightTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
if (_currentToken.HasValue)
{
UpdateTrackedSpans(spans);
// Hold on to a "snapshot" of the word spans and current word, so that we maintain the same collection throughout
SnapshotSpan currentToken = _currentToken.Value;
NormalizedSnapshotSpanCollection wordSpans = _wordSpans;
if (spans.Count > 0 && wordSpans.Count > 0)
{
// If the requested snapshot isn't the same as the one our words are on, translate our spans to the expected snapshot
if (spans.First().Snapshot != wordSpans.First().Snapshot)
{
wordSpans = new NormalizedSnapshotSpanCollection(wordSpans.Select(s => s.TranslateTo(spans.First().Snapshot, SpanTrackingMode.EdgeExclusive)));
currentToken = currentToken.TranslateTo(spans.First().Snapshot, SpanTrackingMode.EdgeExclusive);
}
// First, yield back the word the cursor is under (if it overlaps)
// Note that we'll yield back the same word again in the wordspans collection; the duplication here is expected.
yield return(new TagSpan <GLSLHighlightTag>(currentToken, new GLSLHighlightTag()));
foreach (var span in wordSpans)
{
yield return(new TagSpan <GLSLHighlightTag>(span, new GLSLHighlightTag()));
}
}
}
}
public IEnumerable <ITagSpan <TextMarkerTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
if (_highlightedSpans?.Any() ?? false)
{
if (spans.First().Snapshot != _highlightedSpans.First().Snapshot)
{
_highlightedSpans = new NormalizedSnapshotSpanCollection(
from span in _highlightedSpans
select span.TranslateTo(spans.First().Snapshot, SpanTrackingMode.EdgeExclusive)
);
}
foreach (var span in NormalizedSnapshotSpanCollection.Overlap(spans, _highlightedSpans))
{
yield return(new TagSpan <FrameNameReferenceTag>(span, FrameNameReferenceTag.Instance));
}
}
if (_definitionSpans?.Any() ?? false)
{
if (spans.First().Snapshot != _definitionSpans.First().Snapshot)
{
_definitionSpans = new NormalizedSnapshotSpanCollection(
from span in _definitionSpans
select span.TranslateTo(spans.First().Snapshot, SpanTrackingMode.EdgeExclusive)
);
}
foreach (var span in NormalizedSnapshotSpanCollection.Overlap(spans, _definitionSpans))
{
yield return(new TagSpan <FrameNameDefinitionTag>(span, FrameNameDefinitionTag.Instance));
}
}
}
public IEnumerable <ITagSpan <IClassificationTag> > GetAllTags(NormalizedSnapshotSpanCollection spans, CancellationToken cancellationToken)
{
this.AssertIsForeground();
if (spans.Count == 0)
{
return(Array.Empty <ITagSpan <IClassificationTag> >());
}
var firstSpan = spans.First();
var snapshot = firstSpan.Snapshot;
Debug.Assert(snapshot.TextBuffer == _subjectBuffer);
// We want to classify from the start of the first requested span to the end of the
// last requested span.
var spanToTag = new SnapshotSpan(snapshot,
Span.FromBounds(spans.First().Start, spans.Last().End));
// We don't need to actually classify if what we're being asked for is a subspan
// of the last classification we performed.
var cachedTaggedSpan = this.CachedTaggedSpan;
var canReuseCache =
cachedTaggedSpan?.Snapshot == snapshot &&
cachedTaggedSpan.Value.Contains(spanToTag);
if (!canReuseCache)
{
// Our cache is not there, or is out of date. We need to compute the up to date
// results.
var document = snapshot.GetOpenDocumentInCurrentContextWithChanges();
if (document == null)
{
return(Array.Empty <ITagSpan <IClassificationTag> >());
}
_classificationService = _classificationService ?? document.Project.LanguageServices.GetService <IEditorClassificationService>();
var context = new TaggerContext <IClassificationTag>(document, snapshot, cancellationToken: cancellationToken);
var task = SemanticClassificationUtilities.ProduceTagsAsync(
context, new DocumentSnapshotSpan(document, spanToTag),
_classificationService, _owner._typeMap);
task.Wait(cancellationToken);
CachedTaggedSpan = spanToTag;
CachedTags = new TagSpanIntervalTree <IClassificationTag>(snapshot.TextBuffer, SpanTrackingMode.EdgeExclusive, context.tagSpans);
}
if (this.CachedTags == null)
{
return(Array.Empty <ITagSpan <IClassificationTag> >());
}
return(this.CachedTags.GetIntersectingTagSpans(spans));
}
public IEnumerable <ITagSpan <IClassificationTag> > GetAllTags(NormalizedSnapshotSpanCollection spans, CancellationToken cancellationToken)
{
this.AssertIsForeground();
if (spans.Count == 0)
{
return(Array.Empty <ITagSpan <IClassificationTag> >());
}
var firstSpan = spans.First();
var snapshot = firstSpan.Snapshot;
Debug.Assert(snapshot.TextBuffer == _subjectBuffer);
var document = snapshot.GetOpenDocumentInCurrentContextWithChanges();
if (document == null)
{
return(Array.Empty <ITagSpan <IClassificationTag> >());
}
// We want to classify from the start of the first requested span to the end of the
// last requested span.
var spanToTag = new SnapshotSpan(snapshot, Span.FromBounds(spans.First().Start, spans.Last().End));
GetCachedInfo(out var cachedTaggedSpan, out var cachedTags);
// We don't need to actually classify if what we're being asked for is a subspan
// of the last classification we performed.
var canReuseCache =
cachedTaggedSpan?.Snapshot == snapshot &&
cachedTaggedSpan.Value.Contains(spanToTag);
if (!canReuseCache)
{
// Our cache is not there, or is out of date. We need to compute the up to date results.
var context = new TaggerContext <IClassificationTag>(document, snapshot);
this.ThreadingContext.JoinableTaskFactory.Run(
() => ProduceTagsAsync(context, new DocumentSnapshotSpan(document, spanToTag), _owner._typeMap, cancellationToken));
cachedTaggedSpan = spanToTag;
cachedTags = new TagSpanIntervalTree <IClassificationTag>(snapshot.TextBuffer, SpanTrackingMode.EdgeExclusive, context.tagSpans);
lock (_gate)
{
_cachedTaggedSpan = cachedTaggedSpan;
_cachedTags = cachedTags;
}
}
return(cachedTags == null
? Array.Empty <ITagSpan <IClassificationTag> >()
: cachedTags.GetIntersectingTagSpans(spans));
}
public IEnumerable <ITagSpan <ITextMarkerTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
AssertIsForeground();
var service = _trackingServiceOpt;
if (service == null)
{
yield break;
}
var snapshot = spans.First().Snapshot;
foreach (var asSpan in service.GetSpans(snapshot.AsText()))
{
if (asSpan.IsLeaf)
{
continue;
}
var snapshotSpan = new SnapshotSpan(snapshot, Span.FromBounds(asSpan.Span.Start, asSpan.Span.End));
if (spans.OverlapsWith(snapshotSpan))
{
yield return(new TagSpan <ITextMarkerTag>(snapshotSpan, ActiveStatementTag.Instance));
}
}
}
public IEnumerable <ITagSpan <T> > GetTags(NormalizedSnapshotSpanCollection spans)
{
if (_renameService.ActiveSession == null)
{
yield break;
}
var renameSpans = _currentSpans;
if (renameSpans != null)
{
var snapshot = spans.First().Snapshot;
foreach (var renameSpan in renameSpans)
{
var span = renameSpan.TrackingSpan.GetSpan(snapshot);
if (spans.OverlapsWith(span))
{
TagSpan <T> tagSpan;
if (TryCreateTagSpan(span, renameSpan.Type, out tagSpan))
{
yield return(tagSpan);
}
}
}
}
}
internal static NormalizedSnapshotSpanCollection CoalesceSpans(NormalizedSnapshotSpanCollection normalizedSpans)
{
var snapshot = normalizedSpans.First().Snapshot;
// Coalesce the spans if there are a lot of them.
if (normalizedSpans.Count > CoalesceDifferenceCount)
{
// Spans are normalized. So to find the whole span we just go from the
// start of the first span to the end of the last span.
normalizedSpans = new NormalizedSnapshotSpanCollection(snapshot.GetSpanFromBounds(
normalizedSpans.First().Start,
normalizedSpans.Last().End));
}
return(normalizedSpans);
}
public IEnumerable <ITagSpan <IErrorTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
ITextBuffer buffer = spans.First().Snapshot.TextBuffer;
SyntaxTree syntax = buffer.GetSyntaxTree();
return
// find intersecting nodes
(from node in syntax.Root.DescendantsAndSelf()
where spans.IntersectsWith(node.Span)
let type = node.GetType()
// find analyzers for node
from analyzer in _analyzers
from @interface in analyzer.GetType().GetInterfaces()
where @interface.IsGenericType &&
@interface.GetGenericTypeDefinition() == typeof(ISyntaxNodeAnalyzer <>)
let analyzerNodeType = @interface.GetGenericArguments().Single()
where analyzerNodeType.IsAssignableFrom(type)
// analyze node
from diagnostic in typeof(ISyntaxNodeAnalyzer <>)
.MakeGenericType(analyzerNodeType)
.GetMethod("Analyze")
.Invoke(analyzer, new [] { node }) as IEnumerable <ITagSpan <IErrorTag> >
select diagnostic
);
}
private IEnumerable <ITagSpan <TTag> > GetTagsWorker(
NormalizedSnapshotSpanCollection requestedSpans,
bool accurate,
CancellationToken cancellationToken)
{
if (requestedSpans.Count == 0)
{
return(SpecializedCollections.EmptyEnumerable <ITagSpan <TTag> >());
}
var buffer = requestedSpans.First().Snapshot.TextBuffer;
var tags = accurate
? _tagSource.GetAccurateTagIntervalTreeForBuffer(buffer, cancellationToken)
: _tagSource.GetTagIntervalTreeForBuffer(buffer);
if (tags == null)
{
return(SpecializedCollections.EmptyEnumerable <ITagSpan <TTag> >());
}
var result = GetIntersectingTagSpans(requestedSpans, tags);
DebugVerifyTags(requestedSpans, result);
return(result);
}
IEnumerable <ITagSpan <AlertTag> > ITagger <AlertTag> .GetTags(NormalizedSnapshotSpanCollection spans)
{
if (spans.Count == 0 || PackageSecurityPackage.Vulnurabilities == null)
{
yield break;
}
SnapshotSpan span = spans.First();
ITextSnapshotLine line = span.Snapshot.GetLineFromPosition(span.Start.Position);
string text = line.Extent.GetText();
Match match = _regex.Match(text);
if (match.Success)
{
string name = match.Groups["name"].Value;
string version = match.Groups["version"].Value;
Vulnerability vul = PackageSecurityPackage.Vulnurabilities.CheckPackage(name, version);
if (vul.Severity != VulnerabilityLevel.None)
{
yield return(new TagSpan <AlertTag>(line.Extent, new AlertTag(vul)));
}
}
}
public IEnumerable <ITagSpan <IOutliningRegionTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
ITextBuffer buffer = spans.First().Snapshot.TextBuffer;
SyntaxTree syntax = buffer.GetSyntaxTree();
RobotsTxtDocumentSyntax root = syntax.Root as RobotsTxtDocumentSyntax;
return
(from record in root.Records
where record.Lines.Count() >= 2
where spans.IntersectsWith(record.Span)
let first = record.Lines.First()
where first.NameToken.Value.Equals("User-agent", StringComparison.InvariantCultureIgnoreCase)
let last = record.Lines.Last()
let collapsibleSpan = new SnapshotSpan(
first.Span.End,
(last.TrailingTrivia.LastOrDefault() ?? last.ValueToken).Span.Span.End
)
select new TagSpan <IOutliningRegionTag>(
collapsibleSpan,
new OutliningRegionTag(
collapsedForm: "...",
collapsedHintForm: collapsibleSpan.GetText().Trim()
)
)
);
}
public virtual IEnumerable <ITagSpan <ParamStorageTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
UpdateStcSpans();
// Note that the spans argument can contain spans that are sub-spans of lines or intersect multiple lines.
if (_stcLocs != null)
{
for (int i = 0; i + 1 < _stcLocs.Length; i += 2)
{
// need to compare manually as info is on different snapshots
int pos = _stcLocs[i + 1];
bool intersects = false;
foreach (var span in spans)
{
if (span.Start.Position <= pos && pos <= span.End.Position)
{
intersects = true;
}
}
if (intersects)
{
var point = new SnapshotPoint(spans.First().Snapshot, pos);
SnapshotSpan span = new SnapshotSpan(point, 1);
yield return(new TagSpan <ParamStorageTag>(span, new ParamStorageTag(_stcLocs[i])));
}
}
}
}
private void NotifyTagChanged(ITextSnapshot snapshot)
{
IMappingSpan t = tagsChanged.Dequeue();
NormalizedSnapshotSpanCollection sp = t.GetSpans(snapshot);
if (TagsChanged != null)
{
TagsChanged.Invoke(this, new SnapshotSpanEventArgs(sp.First()));
}
}
public IEnumerable <ITagSpan <CssClassReferenceTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
var actual = _highlightedSpans;
if (actual?.Any() ?? false)
{
if (spans.First().Snapshot != actual.First().Snapshot)
{
actual = new NormalizedSnapshotSpanCollection(
from span in actual
select span.TranslateTo(spans.First().Snapshot, SpanTrackingMode.EdgeExclusive)
);
}
foreach (var span in NormalizedSnapshotSpanCollection.Overlap(spans, actual))
{
yield return(new TagSpan <CssClassReferenceTag>(span, CssClassReferenceTag.Instance));
}
}
}
public IEnumerable <ITagSpan <TextMarkerTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
if (!_textView.Properties.TryGetProperty(PropertyName, out List <Span> allSpans))
{
return(null);
}
return(allSpans
.Where(s => spans.Any(ss => ss.IntersectsWith(s)))
.Select(s => new TagSpan <TextMarkerTag>(new SnapshotSpan(spans.First().Snapshot, s), ProjectionSpanTag.Instance)));
}
/// <inheritdoc/>
public IEnumerable <ITagSpan <TTag> >?GetTags(NormalizedSnapshotSpanCollection spans)
{
if (spans[0].IsEmpty)
{
return(null);
}
bool isFullParse = spans.First().Start == 0 && spans.Last().End == spans[0].Snapshot.Length;
return(GetTags(spans, isFullParse));
}
public IEnumerable <ITagSpan <IErrorTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
this.BackgroundCompilation.CheckCompilationVersion();
var compilationSnapshot = this.BackgroundCompilation.CompilationSnapshot;
if (compilationSnapshot.Compilation == null)
{
yield break;
}
ImmutableArray <Diagnostic> diagnostics = compilationSnapshot.Compilation.GetDiagnostics();
ITextSnapshot textSnapshot = compilationSnapshot.Text;
if (textSnapshot == null || spans.Count == 0 || spans.First().Snapshot.Version != textSnapshot.Version)
{
yield break;
}
if (diagnostics != null)
{
foreach (var diagnostic in diagnostics)
{
if (diagnostic.Severity == DiagnosticSeverity.Hidden)
{
continue;
}
SnapshotSpan diagnosticSpan = new SnapshotSpan(textSnapshot, Span.FromBounds(diagnostic.Location.SourceSpan.Start, diagnostic.Location.SourceSpan.End));
if (spans.IntersectsWith(diagnosticSpan))
{
string errorType = PredefinedErrorTypeNames.HintedSuggestion;
switch (diagnostic.Severity)
{
case DiagnosticSeverity.Hidden:
break;
case DiagnosticSeverity.Info:
errorType = PredefinedErrorTypeNames.HintedSuggestion;
break;
case DiagnosticSeverity.Warning:
errorType = PredefinedErrorTypeNames.Warning;
break;
case DiagnosticSeverity.Error:
errorType = PredefinedErrorTypeNames.SyntaxError;
break;
default:
break;
}
yield return(new TagSpan <IErrorTag>(diagnosticSpan, new ErrorTag(errorType, diagnostic.GetMessage())));
}
}
}
}
private async Task <CommentSelectionResult> ToggleBlockCommentsAsync(Document document, CommentSelectionInfo commentInfo,
ITextStructureNavigator navigator, NormalizedSnapshotSpanCollection selectedSpans, CancellationToken cancellationToken)
{
var firstLineAroundSelection = selectedSpans.First().Start.GetContainingLine().Start;
var lastLineAroundSelection = selectedSpans.Last().End.GetContainingLine().End;
var linesContainingSelection = TextSpan.FromBounds(firstLineAroundSelection, lastLineAroundSelection);
var blockCommentedSpans = await GetBlockCommentsInDocumentAsync(
document, selectedSpans.First().Snapshot, linesContainingSelection, commentInfo, cancellationToken).ConfigureAwait(false);
var blockCommentSelections = selectedSpans.SelectAsArray(span => new BlockCommentSelectionHelper(blockCommentedSpans, span));
var returnOperation = Operation.Uncomment;
var textChanges = ArrayBuilder <TextChange> .GetInstance();
var trackingSpans = ArrayBuilder <CommentTrackingSpan> .GetInstance();
// Try to uncomment until an already uncommented span is found.
foreach (var blockCommentSelection in blockCommentSelections)
{
// If any selection does not have comments to remove, then the operation should be comment.
if (!TryUncommentBlockComment(blockCommentedSpans, blockCommentSelection, textChanges, trackingSpans, commentInfo))
{
returnOperation = Operation.Comment;
break;
}
}
if (returnOperation == Operation.Comment)
{
textChanges.Clear();
trackingSpans.Clear();
foreach (var blockCommentSelection in blockCommentSelections)
{
BlockCommentSpan(blockCommentSelection, navigator, textChanges, trackingSpans, commentInfo);
}
}
return(new CommentSelectionResult(textChanges.ToArrayAndFree(), trackingSpans.ToArrayAndFree(), returnOperation));
}
public static IElisionBuffer CreateElisionBufferWithoutIndentation(
this IProjectionBufferFactoryService factoryService,
IEditorOptions editorOptions,
IContentType contentType,
IEnumerable<SnapshotSpan> exposedSpans)
{
var spans = new NormalizedSnapshotSpanCollection(exposedSpans);
if (spans.Count > 0)
{
// BUG(6335): We have to make sure that the spans refer to the current snapshot of
// the buffer.
var buffer = spans.First().Snapshot.TextBuffer;
var currentSnapshot = buffer.CurrentSnapshot;
spans = new NormalizedSnapshotSpanCollection(
spans.Select(s => s.TranslateTo(currentSnapshot, SpanTrackingMode.EdgeExclusive)));
}
contentType = contentType ?? factoryService.ProjectionContentType;
var elisionBuffer = factoryService.CreateElisionBuffer(
null, spans, ElisionBufferOptions.None, contentType);
if (spans.Count > 0)
{
var snapshot = spans.First().Snapshot;
var buffer = snapshot.TextBuffer;
// We need to figure out the shorted indentation level of the exposed lines. We'll
// then remove that indentation from all lines.
var indentationColumn = DetermineIndentationColumn(editorOptions, spans);
var spansToElide = new List<Span>();
foreach (var span in spans)
{
var startLineNumber = snapshot.GetLineNumberFromPosition(span.Start);
var endLineNumber = snapshot.GetLineNumberFromPosition(span.End);
for (var lineNumber = startLineNumber; lineNumber <= endLineNumber; lineNumber++)
{
var line = snapshot.GetLineFromLineNumber(lineNumber);
var lineOffsetOfColumn = line.GetLineOffsetFromColumn(indentationColumn, editorOptions);
spansToElide.Add(Span.FromBounds(line.Start, line.Start + lineOffsetOfColumn));
}
}
elisionBuffer.ElideSpans(new NormalizedSpanCollection(spansToElide));
}
return elisionBuffer;
}
public static IElisionBuffer CreateElisionBufferWithoutIndentation(
this IProjectionBufferFactoryService factoryService,
IEditorOptions editorOptions,
IContentType contentType,
IEnumerable <SnapshotSpan> exposedSpans)
{
var spans = new NormalizedSnapshotSpanCollection(exposedSpans);
if (spans.Count > 0)
{
// BUG(6335): We have to make sure that the spans refer to the current snapshot of
// the buffer.
var buffer = spans.First().Snapshot.TextBuffer;
var currentSnapshot = buffer.CurrentSnapshot;
spans = new NormalizedSnapshotSpanCollection(
spans.Select(s => s.TranslateTo(currentSnapshot, SpanTrackingMode.EdgeExclusive)));
}
contentType = contentType ?? factoryService.ProjectionContentType;
var elisionBuffer = factoryService.CreateElisionBuffer(
null, spans, ElisionBufferOptions.None, contentType);
if (spans.Count > 0)
{
var snapshot = spans.First().Snapshot;
var buffer = snapshot.TextBuffer;
// We need to figure out the shorted indentation level of the exposed lines. We'll
// then remove that indentation from all lines.
var indentationColumn = DetermineIndentationColumn(editorOptions, spans);
var spansToElide = new List <Span>();
foreach (var span in spans)
{
var startLineNumber = snapshot.GetLineNumberFromPosition(span.Start);
var endLineNumber = snapshot.GetLineNumberFromPosition(span.End);
for (var lineNumber = startLineNumber; lineNumber <= endLineNumber; lineNumber++)
{
var line = snapshot.GetLineFromLineNumber(lineNumber);
var lineOffsetOfColumn = line.GetLineOffsetFromColumn(indentationColumn, editorOptions);
spansToElide.Add(Span.FromBounds(line.Start, line.Start + lineOffsetOfColumn));
}
}
elisionBuffer.ElideSpans(new NormalizedSpanCollection(spansToElide));
}
return(elisionBuffer);
}
public IEnumerable <ITagSpan <IOutliningRegionTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
if (spans.Count == 0 || _doc == null || !MarkdownEditorPackage.Options.EnableOutlining)
{
yield break;
}
var descendants = _doc.Descendants();
var snapshot = spans.First().Snapshot;
// Code blocks
var codeBlocks = descendants.OfType <FencedCodeBlock>();
foreach (var block in codeBlocks)
{
if (block.IsOpen || block.Lines.Count == 0)
{
continue;
}
string text = $"{block.Info.ToUpperInvariant()} Code Block".Trim();
string tooltip = new string(block.Lines.ToString().Take(800).ToArray());
var span = new SnapshotSpan(snapshot, block.ToSimpleSpan());
var tag = new OutliningRegionTag(false, false, text, tooltip);
yield return(new TagSpan <IOutliningRegionTag>(span, tag));
}
// HTML Blocks
var htmlBlocks = descendants.OfType <HtmlBlock>();
foreach (var block in htmlBlocks)
{
// This prevents outlining for single line comments
if (block.Lines.Count == 1)
{
continue;
}
string text = "HTML Block";
string tooltip = new string(block.Lines.ToString().Take(800).ToArray());
var span = new SnapshotSpan(snapshot, block.ToSimpleSpan());
var tag = new OutliningRegionTag(false, false, text, tooltip);
yield return(new TagSpan <IOutliningRegionTag>(span, tag));
}
}
public IEnumerable <ITagSpan <TTag> > GetTags(NormalizedSnapshotSpanCollection requestedSpans)
{
this.AssertIsForeground();
if (requestedSpans.Count == 0)
{
return(SpecializedCollections.EmptyEnumerable <ITagSpan <TTag> >());
}
var buffer = requestedSpans.First().Snapshot.TextBuffer;
var tags = this.TryGetTagIntervalTreeForBuffer(buffer);
return(tags == null
? SpecializedCollections.EmptyEnumerable <ITagSpan <TTag> >()
: tags.GetIntersectingTagSpans(requestedSpans));
}
public IEnumerable <ITagSpan <TTag> > GetTags(NormalizedSnapshotSpanCollection requestedSpans)
{
_dataSource.ThreadingContext.ThrowIfNotOnUIThread();
if (requestedSpans.Count == 0)
{
return(SpecializedCollections.EmptyEnumerable <ITagSpan <TTag> >());
}
var buffer = requestedSpans.First().Snapshot.TextBuffer;
var tags = this.TryGetTagIntervalTreeForBuffer(buffer);
return(tags == null
? SpecializedCollections.EmptyEnumerable <ITagSpan <TTag> >()
: tags.GetIntersectingTagSpans(requestedSpans));
}
public IEnumerable <ITagSpan <ClassificationTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
var textSnapshot = spans.First().Snapshot;
foreach (var tag in _aggregator.GetTags(spans))
{
if (tag.Tag is GLSLClassifierTag)
{
foreach (var span in tag.Span.GetSpans(textSnapshot))
{
// Ensure that we translate our span to the expected snapshot
var translatedSpan = span.Translated(textSnapshot);
yield return(new TagSpan <ClassificationTag>(translatedSpan, new ClassificationTag(_glslTypes[tag.Tag.TokenType])));
}
}
}
}
public IEnumerable <ITagSpan <IClassificationTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
this.BackgroundCompilation.CheckCompilationVersion();
var compilationSnapshot = this.BackgroundCompilation.CompilationSnapshot;
var symbolTokens = compilationSnapshot?.SymbolTokens;
if (symbolTokens == null)
{
return(ImmutableArray <ITagSpan <IClassificationTag> > .Empty);
}
ITextSnapshot textSnapshot = compilationSnapshot.Text;
if (textSnapshot == null || spans.Count == 0 || spans.First().Snapshot.Version != textSnapshot.Version)
{
return(ImmutableArray <ITagSpan <IClassificationTag> > .Empty);
}
return(symbolTokens.Select(t => new TagSpan <IClassificationTag>(new SnapshotSpan(textSnapshot, new Span(t.Key.Span.Start, t.Key.Span.Length)), t.Value)));
}
internal void EnqueueChanges(NormalizedSnapshotSpanCollection changedSpans)
{
AssertIsForeground();
if (changedSpans.Count == 0)
{
return;
}
var snapshot = changedSpans.First().Snapshot;
var version = snapshot.Version.VersionNumber;
var currentSpans = _snapshotVersionToSpansMap.GetOrAdd(version, s_addFunction);
var allSpans = NormalizedSnapshotSpanCollection.Union(currentSpans, changedSpans);
_snapshotVersionToSpansMap[version] = allSpans;
EnqueueNotificationRequest(TaggerDelay.NearImmediate);
}
internal async override Task<CommentSelectionResult> CollectEditsAsync(Document document, ICommentSelectionService service,
ITextBuffer subjectBuffer, NormalizedSnapshotSpanCollection selectedSpans, ValueTuple command, CancellationToken cancellationToken)
{
using (Logger.LogBlock(FunctionId.CommandHandler_ToggleLineComment, KeyValueLogMessage.Create(LogType.UserAction, m =>
{
m[LanguageNameString] = document.Project.Language;
m[LengthString] = subjectBuffer.CurrentSnapshot.Length;
}), cancellationToken))
{
var commentInfo = await service.GetInfoAsync(document, selectedSpans.First().Span.ToTextSpan(), cancellationToken).ConfigureAwait(false);
if (commentInfo.SupportsSingleLineComment)
{
return ToggleLineComment(commentInfo, selectedSpans);
}
return s_emptyCommentSelectionResult;
}
}
public IEnumerable <ITagSpan <IClassificationTag> > GetAllTags(NormalizedSnapshotSpanCollection spans, CancellationToken cancellationToken)
{
this.AssertIsForeground();
if (spans.Count == 0)
{
return(Array.Empty <ITagSpan <IClassificationTag> >());
}
var firstSpan = spans.First();
var snapshot = firstSpan.Snapshot;
Debug.Assert(snapshot.TextBuffer == _subjectBuffer);
var cachedSnapshot = this.CachedSnapshot;
if (snapshot != cachedSnapshot)
{
// Our cache is not there, or is out of date. We need to compute the up to date
// results.
var document = snapshot.GetOpenDocumentInCurrentContextWithChanges();
if (document == null)
{
return(Array.Empty <ITagSpan <IClassificationTag> >());
}
_classificationService = _classificationService ?? document.Project.LanguageServices.GetService <IEditorClassificationService>();
var context = new TaggerContext <IClassificationTag>(document, snapshot, cancellationToken: cancellationToken);
var spanToTag = new DocumentSnapshotSpan(document, snapshot.GetFullSpan());
var task = SemanticClassificationUtilities.ProduceTagsAsync(context, spanToTag, _classificationService, _owner._typeMap);
task.Wait(cancellationToken);
CachedSnapshot = snapshot;
CachedTags = new TagSpanIntervalTree <IClassificationTag>(snapshot.TextBuffer, SpanTrackingMode.EdgeExclusive, context.tagSpans);
}
if (this.CachedTags == null)
{
return(Array.Empty <ITagSpan <IClassificationTag> >());
}
return(this.CachedTags.GetIntersectingTagSpans(spans));
}
public IEnumerable <ITagSpan <IErrorTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
if (m_failures != null && m_failures.Count > 0)
{
var first = m_failures.First();
if (spans.Count > 0 && spans.First().Snapshot.Version != first.Span.Snapshot.Version)
{
Update(false);
}
foreach (var f in m_failures)
{
if (spans.IntersectsWith(f.Span))
{
yield return(new TagSpan <IErrorTag>(f.Span, new ErrorTag(PredefinedErrorTypeNames.Warning, f.FailureText.m_description)));
}
}
}
}
public IEnumerable <ITagSpan <ITextMarkerTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
var snapshot = spans.First().Snapshot;
foreach (ActiveStatementTextSpan asSpan in _trackingService.GetSpans(snapshot.AsText()))
{
if ((asSpan.Flags & ActiveStatementFlags.LeafFrame) != 0)
{
continue;
}
var snapshotSpan = new SnapshotSpan(snapshot, Span.FromBounds(asSpan.Span.Start, asSpan.Span.End));
if (spans.OverlapsWith(snapshotSpan))
{
yield return(new TagSpan <ITextMarkerTag>(snapshotSpan, ActiveStatementTag.Instance));
}
}
}
public IEnumerable <ITagSpan <PlayGlyphTag> > GetTags(NormalizedSnapshotSpanCollection spans)
{
var textSnapshot = (spans.Any()) ? spans.First().Snapshot : null;
if (!features.Any() && textSnapshot != null && !tokenParser.LastParseFailed())
{
tokenParser.ForceParse(textSnapshot);
}
var tagSPans = new List <ITagSpan <PlayGlyphTag> >();
foreach (var line in textSnapshot.Lines)
{
var spanLine = line.LineNumber + 1;
AddFeatureTagSpan(spanLine, textSnapshot, line, tagSPans);
AddScenarioTagSpan(spanLine, textSnapshot, line, tagSPans);
}
return(tagSPans);
}
internal static NormalizedSnapshotSpanCollection CoalesceSpans(NormalizedSnapshotSpanCollection normalizedSpans)
{
var snapshot = normalizedSpans.First().Snapshot;
// Coalesce the spans if there are a lot of them.
if (normalizedSpans.Count > CoalesceDifferenceCount)
{
// Spans are normalized. So to find the whole span we just go from the
// start of the first span to the end of the last span.
normalizedSpans = new NormalizedSnapshotSpanCollection(snapshot.GetSpanFromBounds(
normalizedSpans.First().Start,
normalizedSpans.Last().End));
}
return normalizedSpans;
}
