private void RealizeSequencePoints()
{
if (this.SeqPointsOpt != null)
{
// we keep track of the latest sequence point location to make sure
// we don't emit multiple sequence points for the same location
int lastOffset = -1;
ArrayBuilder <RawSequencePoint> seqPoints = ArrayBuilder <RawSequencePoint> .GetInstance();
foreach (var seqPoint in this.SeqPointsOpt)
{
int offset = this.GetILOffsetFromMarker(seqPoint.ILMarker);
if (offset >= 0)
{
// valid IL offset
if (lastOffset != offset)
{
Debug.Assert(lastOffset < offset);
// if there are any sequence points, there must
// be a sequence point at offset 0.
#if !XSHARP
Debug.Assert((lastOffset >= 0) || (offset == 0));
#endif
// the first sequence point on tree/offset location
lastOffset = offset;
seqPoints.Add(seqPoint);
}
else
{
// override previous sequence point at the same location
seqPoints[seqPoints.Count - 1] = seqPoint;
}
}
}
if (seqPoints.Count > 0)
{
this.RealizedSequencePoints = SequencePointList.Create(seqPoints, this);
}
seqPoints.Free();
}
}
