private void addStartRegion(
string lineContent,
int regionStart,
int lineNumber,
int regionStartHoverText,
ref PartialRegion currentRegion,
IList <Region> newRegions)
{
//AsmDudeToolsStatic.Output("INFO: CodeFoldingTagger: addStartRegion");
int currentLevel = (currentRegion != null) ? currentRegion.Level : 1;
int newLevel = currentLevel + 1;
//levels are the same and we have an existing region;
//end the current region and start the next
if ((currentLevel == newLevel) && (currentRegion != null))
{
newRegions.Add(new Region()
{
Level = currentRegion.Level,
StartLine = currentRegion.StartLine,
StartOffset = currentRegion.StartOffset,
StartOffsetHoverText = regionStartHoverText,
EndLine = lineNumber
});
currentRegion = new PartialRegion()
{
Level = newLevel,
StartLine = lineNumber,
StartOffset = regionStart,
StartOffsetHoverText = regionStartHoverText,
PartialParent = currentRegion.PartialParent
};
}
//this is a new (sub)region
else
{
currentRegion = new PartialRegion()
{
Level = newLevel,
StartLine = lineNumber,
StartOffset = regionStart,
StartOffsetHoverText = regionStartHoverText,
PartialParent = currentRegion
};
}
}
private void addEndRegion(
string lineContent,
int regionEnd,
int lineNumber,
ref PartialRegion currentRegion,
IList <Region> newRegions)
{
//AsmDudeToolsStatic.Output("INFO: CodeFoldingTagger: addEndRegion: lineContent="+lineContent +"; regionEnd="+regionEnd +"; lineNumber="+lineNumber);
if (currentRegion != null)
{
newRegions.Add(new Region()
{
Level = currentRegion.Level,
StartLine = currentRegion.StartLine,
StartOffset = currentRegion.StartOffset,
StartOffsetHoverText = currentRegion.StartOffsetHoverText,
EndLine = lineNumber
});
currentRegion = currentRegion.PartialParent;
}
}
private void Parse()
{
if (!this._enabled)
{
return;
}
lock (this._updateLock)
{
DateTime time1 = DateTime.Now;
ITextSnapshot newSnapshot = this._buffer.CurrentSnapshot;
IList <Region> newRegions = new List <Region>();
// keep the current (deepest) partial region, which will have
// references to any parent partial regions.
PartialRegion currentRegion = null;
IEnumerator <ITextSnapshotLine> enumerator = newSnapshot.Lines.GetEnumerator();
ITextSnapshotLine line = null;
bool hasNext = enumerator.MoveNext();
bool already_advanced = true;
if (hasNext)
{
line = enumerator.Current;
}
while (hasNext)
{
already_advanced = false;
#region Parse Line
if (line.Length > 0)
{
string lineContent = line.GetText();
int lineNumber = line.LineNumber;
(int regionStart, int regionStartHoverText) = this.Is_Start_Keyword(lineContent, lineNumber);
if (regionStart != -1)
{
this.Add_Start_Region(lineContent, regionStart, lineNumber, regionStartHoverText, ref currentRegion, newRegions);
}
else
{
int regionEnd = this.Is_End_Keyword(lineContent, lineNumber);
if (regionEnd != -1)
{
this.Add_End_Region(lineContent, regionEnd, lineNumber, ref currentRegion, newRegions);
}
else
{
#region Search for multi-line Remark
if (AsmSourceTools.IsRemarkOnly(lineContent))
{
int lineNumber2 = -1;
string lineContent2 = null;
while (enumerator.MoveNext())
{
line = enumerator.Current;
string lineContent3 = line.GetText();
if (AsmSourceTools.IsRemarkOnly(lineContent3) &&
(this.Is_Start_Directive_Keyword(lineContent3).StartPos == -1) &&
(this.Is_End_Directive_Keyword(lineContent3) == -1))
{
lineNumber2 = line.LineNumber;
lineContent2 = lineContent3;
already_advanced = false;
}
else
{
already_advanced = true;
break;
}
}
if (lineNumber2 != -1)
{
int regionStartPos = AsmSourceTools.GetRemarkCharPosition(lineContent);
this.Add_Start_Region(lineContent, regionStartPos, lineNumber, regionStartPos, ref currentRegion, newRegions);
//this.updateChangedSpans(newSnapshot, newRegions);
this.Add_End_Region(lineContent2, 0, lineNumber2, ref currentRegion, newRegions);
}
}
#endregion
}
}
}
#endregion Parse Line
#region Update Changed Spans
this.Update_Changed_Spans(newSnapshot, newRegions);
#endregion
#region Advance to next line
if (!already_advanced)
{
hasNext = enumerator.MoveNext();
if (hasNext)
{
line = enumerator.Current;
}
}
#endregion
}
AsmDudeToolsStatic.Print_Speed_Warning(time1, "CodeFoldingTagger");
double elapsedSec = (double)(DateTime.Now.Ticks - time1.Ticks) / 10000000;
if (elapsedSec > AsmDudePackage.SlowShutdownThresholdSec)
{
# if DEBUG
AsmDudeToolsStatic.Output_WARNING("CodeFoldingTagger: Parse: disabled CodeFolding had I been in Release mode");
# else
this.Disable();
# endif
}
private void ReParse()
{
//Debug.WriteLine("INFO:OutliningTagger:ReParse: entering");
ITextSnapshot newSnapshot = _buffer.CurrentSnapshot;
List <Region> newRegions = new List <Region>();
//keep the current (deepest) partial region, which will have
// references to any parent partial regions.
PartialRegion currentRegion = null;
foreach (var line in newSnapshot.Lines)
{
int regionStart = -1;
string text = line.GetText();
//lines that contain a "[" denote the start of a new region.
if ((regionStart = text.IndexOf(startHide, StringComparison.Ordinal)) != -1)
{
int currentLevel = (currentRegion != null) ? currentRegion.Level : 1;
int newLevel;
if (!TryGetLevel(text, regionStart, out newLevel))
{
newLevel = currentLevel + 1;
}
//levels are the same and we have an existing region;
//end the current region and start the next
if (currentLevel == newLevel && currentRegion != null)
{
newRegions.Add(new Region()
{
Level = currentRegion.Level,
StartLine = currentRegion.StartLine,
StartOffset = currentRegion.StartOffset,
EndLine = line.LineNumber
});
currentRegion = new PartialRegion()
{
Level = newLevel,
StartLine = line.LineNumber,
StartOffset = regionStart,
PartialParent = currentRegion.PartialParent
};
}
//this is a new (sub)region
else
{
currentRegion = new PartialRegion()
{
Level = newLevel,
StartLine = line.LineNumber,
StartOffset = regionStart,
PartialParent = currentRegion
};
}
}
//lines that contain "]" denote the end of a region
else if ((regionStart = text.IndexOf(endHide, StringComparison.Ordinal)) != -1)
{
int currentLevel = (currentRegion != null) ? currentRegion.Level : 1;
int closingLevel;
if (!TryGetLevel(text, regionStart, out closingLevel))
{
closingLevel = currentLevel;
}
//the regions match
if (currentRegion != null &&
currentLevel == closingLevel)
{
newRegions.Add(new Region()
{
Level = currentLevel,
StartLine = currentRegion.StartLine,
StartOffset = currentRegion.StartOffset,
EndLine = line.LineNumber
});
currentRegion = currentRegion.PartialParent;
}
}
}
//determine the changed span, and send a changed event with the new spans
List <Span> oldSpans =
new List <Span>(this._regions.Select(r => AsSnapshotSpan(r, this._snapshot)
.TranslateTo(newSnapshot, SpanTrackingMode.EdgeExclusive)
.Span));
List <Span> newSpans = new List <Span>(newRegions.Select(r => AsSnapshotSpan(r, newSnapshot).Span));
NormalizedSpanCollection oldSpanCollection = new NormalizedSpanCollection(oldSpans);
NormalizedSpanCollection newSpanCollection = new NormalizedSpanCollection(newSpans);
//the changed regions are regions that appear in one set or the other, but not both.
NormalizedSpanCollection removed = NormalizedSpanCollection.Difference(oldSpanCollection, newSpanCollection);
int changeStart = int.MaxValue;
int changeEnd = -1;
if (removed.Count > 0)
{
changeStart = removed[0].Start;
changeEnd = removed[removed.Count - 1].End;
}
if (newSpans.Count > 0)
{
changeStart = Math.Min(changeStart, newSpans[0].Start);
changeEnd = Math.Max(changeEnd, newSpans[newSpans.Count - 1].End);
}
this._snapshot = newSnapshot;
this._regions = newRegions;
if (changeStart <= changeEnd)
{
ITextSnapshot snap = this._snapshot;
if (this.TagsChanged != null)
{
this.TagsChanged(this, new SnapshotSpanEventArgs(
new SnapshotSpan(this._snapshot, Span.FromBounds(changeStart, changeEnd))));
}
}
//Debug.WriteLine("INFO:OutliningTagger:ReParse: leaving");
}
private void parse(object threadContext)
{
if (!this._enabled)
{
return;
}
this._waiting = true;
Thread.Sleep(AsmDudePackage.msSleepBeforeAsyncExecution);
this._busy = true;
this._waiting = false;
#region Payload
lock (_updateLock) {
DateTime time1 = DateTime.Now;
ITextSnapshot newSnapshot = _buffer.CurrentSnapshot;
IList <Region> newRegions = new List <Region>();
// keep the current (deepest) partial region, which will have
// references to any parent partial regions.
PartialRegion currentRegion = null;
IEnumerator <ITextSnapshotLine> enumerator = newSnapshot.Lines.GetEnumerator();
ITextSnapshotLine line = null;
bool hasNext = enumerator.MoveNext();
bool already_advanced = true;
if (hasNext)
{
line = enumerator.Current;
}
while (hasNext)
{
already_advanced = false;
#region Parse Line
if (line.Length > 0)
{
string lineContent = line.GetText();
int lineNumber = line.LineNumber;
Tuple <int, int> tup = this.isStartKeyword(lineContent, lineNumber);
int regionStart = tup.Item1;
int regionStartHoverText = tup.Item2;
if (regionStart != -1)
{
this.addStartRegion(lineContent, regionStart, lineNumber, regionStartHoverText, ref currentRegion, newRegions);
}
else
{
int regionEnd = this.isEndKeyword(lineContent, lineNumber);
if (regionEnd != -1)
{
this.addEndRegion(lineContent, regionEnd, lineNumber, ref currentRegion, newRegions);
}
else
{
#region Search for multi-line Remark
if (AsmSourceTools.isRemarkOnly(lineContent))
{
int lineNumber2 = -1;
string lineContent2 = null;
while (enumerator.MoveNext())
{
line = enumerator.Current;
string lineContent3 = line.GetText();
if (AsmSourceTools.isRemarkOnly(lineContent3) &&
(this.isStartDirectiveKeyword(lineContent3).Item1 == -1) &&
(this.isEndDirectiveKeyword(lineContent3) == -1))
{
lineNumber2 = line.LineNumber;
lineContent2 = lineContent3;
already_advanced = false;
}
else
{
already_advanced = true;
break;
}
}
if (lineNumber2 != -1)
{
int regionStartPos = AsmSourceTools.getRemarkCharPosition(lineContent);
this.addStartRegion(lineContent, regionStartPos, lineNumber, regionStartPos, ref currentRegion, newRegions);
//this.updateChangedSpans(newSnapshot, newRegions);
this.addEndRegion(lineContent2, 0, lineNumber2, ref currentRegion, newRegions);
}
}
#endregion
}
}
}
#endregion Parse Line
#region Update Changed Spans
this.updateChangedSpans(newSnapshot, newRegions);
#endregion
#region Advance to next line
if (!already_advanced)
{
hasNext = enumerator.MoveNext();
if (hasNext)
{
line = enumerator.Current;
}
}
#endregion
}
AsmDudeToolsStatic.printSpeedWarning(time1, "CodeFoldingTagger");
double elapsedSec = (double)(DateTime.Now.Ticks - time1.Ticks) / 10000000;
if (elapsedSec > AsmDudePackage.slowShutdownThresholdSec)
{
this.disable();
}
}
#endregion Payload
this._busy = false;
if (this._scheduled)
{
this._scheduled = false;
this.parse_Delayed();
}
}
