private unsafe void SetFileUpdates(
Interop.IDebugUpdateInMemoryPE2 updater,
List<KeyValuePair<DocumentId, ImmutableArray<LineChange>>> edits)
{
int totalEditCount = edits.Sum(e => e.Value.Length);
if (totalEditCount == 0)
{
return;
}
var lineUpdates = new Interop.LINEUPDATE[totalEditCount];
fixed (Interop.LINEUPDATE* lineUpdatesPtr = lineUpdates)
{
int index = 0;
var fileUpdates = new Interop.FILEUPDATE[edits.Count];
for (int f = 0; f < fileUpdates.Length; f++)
{
var documentId = edits[f].Key;
var deltas = edits[f].Value;
fileUpdates[f].FileName = _vsProject.GetDocumentOrAdditionalDocument(documentId).FilePath;
fileUpdates[f].LineUpdateCount = (uint)deltas.Length;
fileUpdates[f].LineUpdates = (IntPtr)(lineUpdatesPtr + index);
for (int l = 0; l < deltas.Length; l++)
{
lineUpdates[index + l].Line = (uint)deltas[l].OldLine;
lineUpdates[index + l].UpdatedLine = (uint)deltas[l].NewLine;
}
index += deltas.Length;
}
// The updater makes a copy of all data, we can release the buffer after the call.
updater.SetFileUpdates(fileUpdates, (uint)fileUpdates.Length);
}
}