private void OnClassificationChanged(SnapshotSpan span)
{
if (this._buffer.CurrentSnapshot.Version == span.Snapshot.Version)
{
ClassificationChanged?.Invoke(this, new ClassificationChangedEventArgs(span));
}
}
/// <summary>
/// Parses the entire source code
/// </summary>
private async void ParseDocument()
{
// --- Do not start parsing over existing parsing
if (_isProcessing)
{
return;
}
_isProcessing = true;
await Task.Run(() =>
{
try
{
// --- Get the entire text of the source code
var span = new SnapshotSpan(_buffer.CurrentSnapshot, 0, _buffer.CurrentSnapshot.Length);
var source = _buffer.CurrentSnapshot.GetText(span);
// --- Let's use the Z80 assembly parser to obtain tags
var visitor = Z80AsmVisitor.VisitSource(source);
lock (_locker)
{
_z80SyntaxTreeVisitor = visitor;
}
// --- Code is parsed, sign the change
ClassificationChanged?.Invoke(this, new ClassificationChangedEventArgs(span));
}
finally
{
_isProcessing = false;
}
});
}
private void Subclassification_Changed(object sender, ClassificationChangedEventArgs e)
{
var c = (IClassifier)sender;
var refreshSpans = c.GetClassificationSpans(e.ChangeSpan);
ClassificationChanged?.Invoke(this, e);
}
public void textChanged(object o, TextContentChangedEventArgs e)
{
ThreadHelper.ThrowIfNotOnUIThread();
ParseTree.Tree.Parse(e.After.GetText(), out bool parsed);
results.Clear();
var root = ParseTree.Tree.Root();
Parse(root);
//results.Add(new Result { span = new Span(0, e.After.Length - 1), type = NodeType.MPLCONTENT });
var errorStack = ParseTree.Tree.GetErrorStack();
generalPane.Clear();
if (!parsed)
{
try {
foreach (var error in errorStack)
{
var document = getPropertyFromBuffer <ITextDocument>(e.Before.TextBuffer);
string message = document.FilePath + error.getMessage() + '\n';
generalPane.OutputString(message);
generalPane.Activate();
}
} catch (InvalidOperationException er) {
generalPane.OutputString(er.Message);
generalPane.Activate();
}
}
ClassificationChanged?.Invoke(this, new ClassificationChangedEventArgs(new SnapshotSpan(e.After, 0, e.After.Length)));
}
private List <PrioritiesClassificationSpan> ParseMultiLine(SnapshotSpan span)
{
List <PrioritiesClassificationSpan> classifications = new List <PrioritiesClassificationSpan>();
string code = span.GetText();
int startPosition = IndexOfCommentStart(code);
if (startPosition < 0)
{
return(new List <PrioritiesClassificationSpan>());
}
int segmentIndex = span.Start.Position + startPosition;
int lineNumber = span.Snapshot.GetLineNumberFromPosition(segmentIndex);
try
{
string codeSegment = span.Snapshot.GetLineFromLineNumber(lineNumber).GetText();
int endPosition = IndexOfCommentEnd(codeSegment);
while (endPosition < 0)
{
++lineNumber;
codeSegment = span.Snapshot.GetLineFromLineNumber(lineNumber).GetText();
endPosition = IndexOfCommentEnd(codeSegment);
}
}
catch (ArgumentOutOfRangeException)
{
lineNumber = lineNumber - 1;
}
int startIndex = span.Start.Position + startPosition;
int endIndex = span.Snapshot.GetLineFromLineNumber(lineNumber).End.Position;
var multiSpan = new SnapshotSpan(span.Snapshot, startIndex, (endIndex - startIndex));
if (multiSpan.End > span.End)
{
ClassificationChanged?.Invoke(this,
new ClassificationChangedEventArgs(new SnapshotSpan(span.End + 1, multiSpan.End)));
}
var priorClassification = new PrioritiesClassificationSpan
{
Span = new ClassificationSpan(multiSpan, m_Type), Priority = 400
};
classifications.Add(priorClassification);
if (m_MultiLineComments.Any(a => a.Tracking.GetSpan(span.Snapshot).Span == multiSpan.Span) == false)
{
m_MultiLineComments.Add(new MultiLineComment()
{
Version = span.Snapshot.Version,
Tracking = span.Snapshot.CreateTrackingSpan(multiSpan.Span, SpanTrackingMode.EdgeExclusive)
});
}
return(classifications);
}
internal GlslClassifier(ITextBuffer textBuffer, SyntaxColorParser parser, ILogger logger)
{
if (textBuffer is null)
{
throw new ArgumentNullException(nameof(textBuffer));
}
if (parser is null)
{
throw new ArgumentNullException(nameof(parser));
}
if (logger is null)
{
throw new ArgumentNullException(nameof(logger));
}
var observableSnapshot = Observable.Return(textBuffer.CurrentSnapshot).Concat(
Observable.FromEventPattern <TextContentChangedEventArgs>(h => textBuffer.Changed += h, h => textBuffer.Changed -= h)
.Select(e => e.EventArgs.After));
parser.Changed += _ => UpdateSpans();
void UpdateSpans()
{
#if DEBUG
var time = Stopwatch.StartNew();
#endif
var snapshotSpan = new SnapshotSpan(textBuffer.CurrentSnapshot, 0, textBuffer.CurrentSnapshot.Length);
var spans = parser.CalculateSpans(snapshotSpan);
#if DEBUG
logger.Log($"{time.ElapsedTicks * 1e3f / Stopwatch.Frequency}ms : tokens={spans.Count}");
#endif
this.spans = spans;
ClassificationChanged?.Invoke(this, new ClassificationChangedEventArgs(snapshotSpan));
}
observableSnapshot
.Throttle(TimeSpan.FromSeconds(0.3f))
.Subscribe(_ => UpdateSpans());
//UpdateSpans(new SnapshotSpan(textBuffer.CurrentSnapshot, 0, textBuffer.CurrentSnapshot.Length));
//textBuffer.Changed += (s, a) =>
//{
// // ignore not up-to-date versions
// if (a.After != textBuffer.CurrentSnapshot) return;
// var start = a.Changes.Min(change => Math.Min(change.OldPosition, change.NewPosition));
// var end = a.Changes.Max(change => Math.Max(change.OldEnd, change.NewEnd));
// var length = Math.Min(end - start, textBuffer.CurrentSnapshot.Length);
// var changeSpan = new SnapshotSpan(textBuffer.CurrentSnapshot, start, length);
// var changeText = changeSpan.GetText();
// //if(changeText.Contains('{') || changeText.Contains('}') || changeText.Contains('*') || )
// //UpdateSpans(changeSpan);
// UpdateSpans(new SnapshotSpan(textBuffer.CurrentSnapshot, 0, textBuffer.CurrentSnapshot.Length));
//};
}
private void RebuidTokens()
{
CommentTable.Clear();
ClassfificationList.Clear();
QuickInfoList.Clear();
StructNameList.Clear();
BracePairList.Clear();
OutlineList.Clear();
ErrorList.Clear();
var snapshot = this.Buffer.CurrentSnapshot;
var lexer = new FlatbufferLexer(new AntlrInputStream(snapshot.GetText()));
foreach (var token in lexer.GetAllTokens())
{
if (token.Type == FlatbufferLexer.COMMENT)
{
ClassfificationList.Add(new ClassificationSpan(new SnapshotSpan(snapshot, new Span(token.StartIndex, token.StopIndex - token.StartIndex + 1)), FBSComment));
var txt = token.Text;
if (txt.StartsWith("//"))
{
txt = txt.Substring(2).Trim();
}
else if (txt.StartsWith("/*"))
{
txt = txt.Substring(2, txt.Length - 4).Trim().Trim('*').Trim();
}
var lines = txt.Split('\n');
for (int i = 0; i < lines.Length; i++)
{
CommentTable.Add(token.Line + i, txt);
}
}
}
lexer.Reset();
var parser = new FlatbufferParser(new CommonTokenStream(lexer));
parser.ErrorHandler = classificationErrorHandler;
parser.RemoveErrorListeners();
parser.AddErrorListener(classificationErrorListener);
parser.schema().Accept <int>(classificationVisitor);
var dom = this.Buffer.Properties.GetProperty(typeof(ITextDocument));
if (dom != null)
{
filePath = (dom as ITextDocument).FilePath;
FBSProject builder = new FBSProject("", new string[] { filePath }, ErrorReport);
builder.Build(filePath, snapshot.GetText());
}
ClassificationChanged?.Invoke(this, new ClassificationChangedEventArgs(new SnapshotSpan(snapshot, 0, snapshot.Length)));
}
private void AnalysisUpdated(IAnalysisResult analysisResult, RescanReason reason, CancellationToken ct)
{
_analysisResult = analysisResult;
if (reason != RescanReason.ContentChanged)
{
ClassificationChanged?.Invoke(this, new ClassificationChangedEventArgs(new SnapshotSpan(analysisResult.Snapshot, 0, analysisResult.Snapshot.Length)));
}
}
public void Update(AmmyFile <Top> file)
{
_latestFile = file;
var snapshot = (ITextSnapshot)_latestFile.Meta.Snapshot;
var snapshotSpan = new SnapshotSpan(snapshot, 0, snapshot.Length);
var eventArgs = new ClassificationChangedEventArgs(snapshotSpan);
ClassificationChanged?.Invoke(this, eventArgs);
}
/// <summary>
/// Parses the entire source code
/// </summary>
private async void ParseDocument()
{
// --- Do not start parsing over existing parsing
if (_isProcessing)
{
_reParse = true;
return;
}
_isProcessing = true;
await DoParse();
while (_reParse)
{
_reParse = false;
_isProcessing = true;
await DoParse();
}
async Task DoParse()
{
await Task.Run(() =>
{
try
{
// --- Get the entire text of the source code
var span = new SnapshotSpan(_buffer.CurrentSnapshot, 0, _buffer.CurrentSnapshot.Length);
var source = _buffer.CurrentSnapshot.GetText(span);
// --- Let's use the Z80 assembly parser to obtain tags
var inputStream = new AntlrInputStream(source);
var lexer = new ZxBasicLexer(inputStream);
var tokenStream = new CommonTokenStream(lexer);
var parser = new ZxBasicParser(tokenStream);
var context = parser.compileUnit();
var treeWalker = new ParseTreeWalker();
var parserListener = new ZxBasicParserListener(_buffer);
treeWalker.Walk(parserListener, context);
lock (_locker)
{
_tokenMap = parserListener.TokenMap;
}
// --- Code is parsed, sign the change
ClassificationChanged?.Invoke(this, new ClassificationChangedEventArgs(span));
}
finally
{
_isProcessing = false;
}
});
}
}
void TagAggregator_TagsChanged(object?sender, TagsChangedEventArgs e)
{
if (ClassificationChanged is null)
{
return;
}
foreach (var span in e.Span.GetSpans(textBuffer))
{
ClassificationChanged?.Invoke(this, new ClassificationChangedEventArgs(span));
}
}
private void OnEditorOptionsChanged(EditorChangedEventArgs args)
{
// NOTE: if the state of editor option was changed => raise that classifications were changed for the current buffer
if (args.Changes.TryGetValue(Language, out var isEnable) && isEnable != _isEnable)
{
_isEnable = isEnable;
var span = new SnapshotSpan(_textBuffer.CurrentSnapshot, new Span(0, _textBuffer.CurrentSnapshot.Length));
ClassificationChanged?.Invoke(this, new ClassificationChangedEventArgs(span));
}
}
void Console_NewColorSpan(object sender, EventArgs <Tuple <SnapshotSpan, Color?, Color?> > e)
{
// At least one of foreground or background must be specified, otherwise we don't care.
if (e.Arg.Item2 != null || e.Arg.Item3 != null)
{
_colorSpans.Add(Tuple.Create(
e.Arg.Item1.Span,
TextFormatClassifier.GetClassificationType(e.Arg.Item2, e.Arg.Item3)));
ClassificationChanged.Raise(this, new ClassificationChangedEventArgs(e.Arg.Item1));
}
}
private async void ParseDocument()
{
if (_isProcessing)
return;
_isProcessing = true;
await Task.Run(() =>
{
_doc = _buffer.CurrentSnapshot.ParseToMarkdown(_file);
SnapshotSpan span = new SnapshotSpan(_buffer.CurrentSnapshot, 0, _buffer.CurrentSnapshot.Length);
ClassificationChanged?.Invoke(this, new ClassificationChangedEventArgs(span));
_isProcessing = false;
});
}
private Task OnNewAnalysisEntryAsync(PythonTextBufferInfo sender, AnalysisEntry entry)
{
var analyzer = entry?.Analyzer;
if (analyzer == null)
{
Debug.Assert(entry == null, "Should not have new analysis entry without an analyzer");
return(Task.CompletedTask);
}
var snapshot = sender.CurrentSnapshot;
ClassificationChanged?.Invoke(
this,
new ClassificationChangedEventArgs(new SnapshotSpan(snapshot, 0, snapshot.Length))
);
return(Task.CompletedTask);
}
private void TextBuffer_Changed(object sender, TextContentChangedEventArgs e)
{
// When input line changes, raise ClassificationChanged event
if (HasConsole && Console.InputLineStart != null)
{
SnapshotSpan commandExtent = Console.InputLineExtent;
if (e.Changes.Any(c => c.OldPosition >= commandExtent.Span.Start))
{
if (_commandLineSpans.Count > 0)
{
int i = _commandLineSpans.FindCommandStart(_commandLineSpans.Count - 1);
commandExtent = new SnapshotSpan(
new SnapshotPoint(commandExtent.Snapshot, _commandLineSpans[i].Item1.Start),
commandExtent.End);
}
ClassificationChanged.Raise(this, new ClassificationChangedEventArgs(commandExtent));
}
}
}
private Task OnTextContentChangedAsync(PythonTextBufferInfo sender, TextContentChangedEventArgs e)
{
// NOTE: Runs on background thread
if (e == null)
{
Debug.Fail("Invalid type passed to event");
}
var snapshot = e.After;
if (snapshot.IsReplBufferWithCommand())
{
return(Task.CompletedTask);
}
Span changedSpan = new Span(0, 0);
foreach (var change in e.Changes)
{
if (changedSpan.Length == 0)
{
changedSpan = change.NewSpan;
}
else
{
changedSpan = Span.FromBounds(
Math.Min(change.NewSpan.Start, changedSpan.Start),
Math.Max(change.NewSpan.End, changedSpan.End)
);
}
}
if (changedSpan.Length > 0)
{
ClassificationChanged?.Invoke(
this,
new ClassificationChangedEventArgs(new SnapshotSpan(snapshot, changedSpan))
);
}
return(Task.CompletedTask);
}
private async void ParseDocument()
{
if (_isProcessing)
{
return;
}
_isProcessing = true;
await Task.Run(() =>
{
var rawText = _buffer.CurrentSnapshot.GetText();
_doc = MarkdownParser.Parse(rawText, _pipeline);
SnapshotSpan span = new SnapshotSpan(_buffer.CurrentSnapshot, 0, _buffer.CurrentSnapshot.Length);
ClassificationChanged?.Invoke(this, new ClassificationChangedEventArgs(span));
TagsChanged?.Invoke(this, new SnapshotSpanEventArgs(span));
_isProcessing = false;
});
}
/// <summary>
/// Parses the entire source code
/// </summary>
private async void ParseDocument()
{
// --- Do not start parsing over existing parsing
if (_isProcessing)
{
return;
}
_isProcessing = true;
await Task.Run(() =>
{
try
{
// --- Get the entire text of the source code
var span = new SnapshotSpan(_buffer.CurrentSnapshot, 0, _buffer.CurrentSnapshot.Length);
var source = _buffer.CurrentSnapshot.GetText(span);
// --- Let's use the Z80 assembly parser to obtain tags
var inputStream = new AntlrInputStream(source);
var lexer = new Z80TestLexer(inputStream);
var tokenStream = new CommonTokenStream(lexer);
var parser = new Z80TestParser(tokenStream);
var context = parser.compileUnit();
var commentWalker = new ParseTreeWalker();
var parserListener = new Z80TestParserListener(tokenStream);
commentWalker.Walk(parserListener, context);
_commentSpans = parserListener.CommentSpans;
_z80TestVisitor = new Z80TestVisitor();
_z80TestVisitor.Visit(context);
// --- Code is parsed, sign the change
ClassificationChanged?.Invoke(this, new ClassificationChangedEventArgs(span));
}
finally
{
_isProcessing = false;
}
});
}
private void OnNewClassifications(ITextSnapshot snapshot)
{
ClassificationChanged?.Invoke(this, new ClassificationChangedEventArgs(new SnapshotSpan(snapshot, 0, snapshot.Length)));
}
protected virtual void OnTextChanged(int start, int oldLength, int newLength)
{
// Invalidate items starting from start of the change and onward
// Expand range to take into accound token that might be just touching
// changed area. For example, in PHP / is punctuation token and adding *
// to it should remove / so tokenizer can recreate comment token.
// However / is technically outside of the changed area and hence may end up
// lingering on.
int initialIndex = -1;
int changeStart = start;
var touchingTokens = Tokens.GetItemsContainingInclusiveEnd(start);
if (touchingTokens != null && touchingTokens.Count > 0)
{
initialIndex = touchingTokens.Min();
start = Tokens[initialIndex].Start;
}
// nothing is touching but we still might have tokens right after us
if (initialIndex < 0)
{
initialIndex = Tokens.GetFirstItemAfterOrAtPosition(start);
}
if (initialIndex == 0)
{
start = Tokens[0].Start;
}
else
{
while (initialIndex > 0)
{
if (Tokens[initialIndex - 1].End == start)
{
start = Tokens[initialIndex - 1].Start;
initialIndex--;
}
else
{
break;
}
}
}
_lastValidPosition = Math.Min(_lastValidPosition, start);
if (Tokens.Count > 0)
{
Tokens.RemoveInRange(TextRange.FromBounds(_lastValidPosition, Tokens[Tokens.Count - 1].End), true);
}
// In line-based tokenizers like SaSS or Jade we need to start at the beginning
// of the line i.e. at 'anchor' position that is calculated depending on
// the particular language syntax.
_lastValidPosition = GetAnchorPosition(_lastValidPosition);
RemoveSensitiveTokens(_lastValidPosition, Tokens);
VerifyTokensSorted();
_lastValidPosition = Tokens.Count > 0 ? Math.Min(_lastValidPosition, Tokens[Tokens.Count - 1].End) : 0;
ClassificationChanged?.Invoke(this, new ClassificationChangedEventArgs(
new SnapshotSpan(TextBuffer.CurrentSnapshot, Span.FromBounds(_lastValidPosition, TextBuffer.CurrentSnapshot.Length)))
);
}
public void InvokeClassificationChanged(ClassificationChangedEventArgs eventArgs)
{
ClassificationChanged?.Invoke(this, eventArgs);
}
private void LexerClassificationChanged(object sender, ClassificationChangedEventArgs e)
{
ClassificationChanged?.Invoke(sender, e);
}
protected override void RaiseChanged(SnapshotSpan span)
{
ClassificationChanged?.Invoke(this, new ClassificationChangedEventArgs(span));
}
public List <PrioritiesClassificationSpan> Parse(SnapshotSpan span)
{
List <PrioritiesClassificationSpan> classifications = new List <PrioritiesClassificationSpan>();
bool isInsideOfComment = false;
for (int i = m_MultiLineComments.Count - 1; i >= 0; i--)
{
var comment = m_MultiLineComments[i];
var multiSpan = comment.Tracking.GetSpan(span.Snapshot);
if (multiSpan.Length == 0)
{
m_MultiLineComments.RemoveAt(i);
continue;
}
if (span.IntersectsWith(multiSpan) == false)
{
continue;
}
isInsideOfComment = true;
if (span.Snapshot.Version == comment.Version)
{
var prioSpan = new PrioritiesClassificationSpan();
prioSpan.Span = new ClassificationSpan(multiSpan, m_Type);
prioSpan.Priority = 400;
classifications.Add(prioSpan);
}
else
{
m_MultiLineComments.RemoveAt(i);
ClassificationChanged?.Invoke(this, new ClassificationChangedEventArgs(multiSpan));
continue;
}
}
if (isInsideOfComment == false)
{
classifications.AddRange(ParseMultiLine(span));
}
string code = span.GetText();
var matches = m_Regex.Matches(code);
if (matches.Count == 0)
{
return(classifications);
}
foreach (Match match in matches)
{
if (IsMatchInString(match, span))
{
continue;
}
Span spanWord = new Span(span.Start.Position + match.Index,
span.GetText().Length - match.Index);
SnapshotSpan snapshot = new SnapshotSpan(span.Snapshot, spanWord);
var prioSpan = new PrioritiesClassificationSpan();
prioSpan.Span = new ClassificationSpan(snapshot, m_Type);
prioSpan.Priority = 400;
classifications.Add(prioSpan);
}
return(classifications);
}
void HexTagAggregator_TagsChanged(object sender, HexTagsChangedEventArgs e) => ClassificationChanged?.Invoke(this, new HexClassificationChangedEventArgs(e.Span));
private void FireClassificationChanged()
{
// This is only here to suppress the warning that the event is never used.
// Classification should never change for a function signature.
ClassificationChanged?.Invoke(this, null);
}
private void Classifier_ClassificationChanged(Object sender, ClassificationChangedEventArgs e)
{
ClassificationChanged?.Invoke(sender, e);
}
protected virtual void OnClassificationChanged(ClassificationChangedEventArgs e)
{
ClassificationChanged?.Invoke(this, e);
}
/// <summary>
/// Force refresh a span stored on last update (assume it corresponds to currently active document)
/// </summary>
public void Invalidate()
{
ClassificationChanged?.Invoke(this, new ClassificationChangedEventArgs(CurrentSpan));
}
