private bool TryAdjustSpanIfNeededForVenus(
DocumentId documentId, FileLinePositionSpan originalLineInfo, FileLinePositionSpan mappedLineInfo, out LinePositionSpan originalSpan, out LinePositionSpan mappedSpan)
{
var startChanged = true;
MappedSpan startLineColumn;
if (!TryAdjustSpanIfNeededForVenus(_workspace, documentId, originalLineInfo.StartLinePosition.Line, originalLineInfo.StartLinePosition.Character, out startLineColumn))
{
startChanged = false;
startLineColumn = new MappedSpan(originalLineInfo.StartLinePosition.Line, originalLineInfo.StartLinePosition.Character, mappedLineInfo.StartLinePosition.Line, mappedLineInfo.StartLinePosition.Character);
}
var endChanged = true;
MappedSpan endLineColumn;
if (!TryAdjustSpanIfNeededForVenus(_workspace, documentId, originalLineInfo.EndLinePosition.Line, originalLineInfo.EndLinePosition.Character, out endLineColumn))
{
endChanged = false;
endLineColumn = new MappedSpan(originalLineInfo.EndLinePosition.Line, originalLineInfo.EndLinePosition.Character, mappedLineInfo.EndLinePosition.Line, mappedLineInfo.EndLinePosition.Character);
}
// start and end position can be swapped when mapped between primary and secondary buffer if start position is within visible span (at the edge)
// but end position is outside of visible span. in that case, swap start and end position.
originalSpan = GetLinePositionSpan(startLineColumn.OriginalLinePosition, endLineColumn.OriginalLinePosition);
mappedSpan = GetLinePositionSpan(startLineColumn.MappedLinePosition, endLineColumn.MappedLinePosition);
return(startChanged || endChanged);
}
private bool TryAdjustSpanIfNeededForVenus(
DocumentId documentId, FileLinePositionSpan originalLineInfo, FileLinePositionSpan mappedLineInfo, out LinePositionSpan originalSpan, out LinePositionSpan mappedSpan)
{
var startChanged = true;
MappedSpan startLineColumn;
if (!TryAdjustSpanIfNeededForVenus(_workspace, documentId, originalLineInfo.StartLinePosition.Line, originalLineInfo.StartLinePosition.Character, out startLineColumn))
{
startChanged = false;
startLineColumn = new MappedSpan(originalLineInfo.StartLinePosition.Line, originalLineInfo.StartLinePosition.Character, mappedLineInfo.StartLinePosition.Line, mappedLineInfo.StartLinePosition.Character);
}
var endChanged = true;
MappedSpan endLineColumn;
if (!TryAdjustSpanIfNeededForVenus(_workspace, documentId, originalLineInfo.EndLinePosition.Line, originalLineInfo.EndLinePosition.Character, out endLineColumn))
{
endChanged = false;
endLineColumn = new MappedSpan(originalLineInfo.EndLinePosition.Line, originalLineInfo.EndLinePosition.Character, mappedLineInfo.EndLinePosition.Line, mappedLineInfo.EndLinePosition.Character);
}
// start and end position can be swapped when mapped between primary and secondary buffer if start position is within visible span (at the edge)
// but end position is outside of visible span. in that case, swap start and end position.
originalSpan = GetLinePositionSpan(startLineColumn.OriginalLinePosition, endLineColumn.OriginalLinePosition);
mappedSpan = GetLinePositionSpan(startLineColumn.MappedLinePosition, endLineColumn.MappedLinePosition);
return startChanged || endChanged;
}
private bool TryAdjustSpanIfNeededForVenus(
DocumentId documentId, FileLinePositionSpan originalLineInfo, FileLinePositionSpan mappedLineInfo, out LinePositionSpan originalSpan, out LinePositionSpan mappedSpan)
{
var startChanged = true;
MappedSpan startLineColumn;
if (!TryAdjustSpanIfNeededForVenus(_workspace, documentId, originalLineInfo.StartLinePosition.Line, originalLineInfo.StartLinePosition.Character, out startLineColumn))
{
startChanged = false;
startLineColumn = new MappedSpan(originalLineInfo.StartLinePosition.Line, originalLineInfo.StartLinePosition.Character, mappedLineInfo.StartLinePosition.Line, mappedLineInfo.StartLinePosition.Character);
}
var endChanged = true;
MappedSpan endLineColumn;
if (!TryAdjustSpanIfNeededForVenus(_workspace, documentId, originalLineInfo.EndLinePosition.Line, originalLineInfo.EndLinePosition.Character, out endLineColumn))
{
endChanged = false;
endLineColumn = new MappedSpan(originalLineInfo.EndLinePosition.Line, originalLineInfo.EndLinePosition.Character, mappedLineInfo.EndLinePosition.Line, mappedLineInfo.EndLinePosition.Character);
}
originalSpan = new LinePositionSpan(startLineColumn.OriginalLinePosition, Max(startLineColumn.OriginalLinePosition, endLineColumn.OriginalLinePosition));
mappedSpan = new LinePositionSpan(startLineColumn.MappedLinePosition, Max(startLineColumn.MappedLinePosition, endLineColumn.MappedLinePosition));
return(startChanged || endChanged);
}
private bool TryAdjustSpanIfNeededForVenus(
DocumentId documentId, FileLinePositionSpan originalLineInfo, FileLinePositionSpan mappedLineInfo, out LinePositionSpan originalSpan, out LinePositionSpan mappedSpan)
{
var startChanged = true;
MappedSpan startLineColumn;
if (!TryAdjustSpanIfNeededForVenus(_workspace, documentId, originalLineInfo.StartLinePosition.Line, originalLineInfo.StartLinePosition.Character, out startLineColumn))
{
startChanged = false;
startLineColumn = new MappedSpan(originalLineInfo.StartLinePosition.Line, originalLineInfo.StartLinePosition.Character, mappedLineInfo.StartLinePosition.Line, mappedLineInfo.StartLinePosition.Character);
}
var endChanged = true;
MappedSpan endLineColumn;
if (!TryAdjustSpanIfNeededForVenus(_workspace, documentId, originalLineInfo.EndLinePosition.Line, originalLineInfo.EndLinePosition.Character, out endLineColumn))
{
endChanged = false;
endLineColumn = new MappedSpan(originalLineInfo.EndLinePosition.Line, originalLineInfo.EndLinePosition.Character, mappedLineInfo.EndLinePosition.Line, mappedLineInfo.EndLinePosition.Character);
}
originalSpan = new LinePositionSpan(startLineColumn.OriginalLinePosition, Max(startLineColumn.OriginalLinePosition, endLineColumn.OriginalLinePosition));
mappedSpan = new LinePositionSpan(startLineColumn.MappedLinePosition, Max(startLineColumn.MappedLinePosition, endLineColumn.MappedLinePosition));
return startChanged || endChanged;
}
private static bool TryAdjustSpanIfNeededForVenus(VisualStudioWorkspaceImpl workspace, DocumentId documentId, int originalLine, int originalColumn, out MappedSpan mappedSpan)
{
mappedSpan = default(MappedSpan);
if (documentId == null)
{
return(false);
}
var containedDocument = workspace.GetHostDocument(documentId) as ContainedDocument;
if (containedDocument == null)
{
return(false);
}
var originalSpanOnSecondaryBuffer = new TextManager.Interop.TextSpan()
{
iStartLine = originalLine,
iStartIndex = originalColumn,
iEndLine = originalLine,
iEndIndex = originalColumn
};
var containedLanguage = containedDocument.ContainedLanguage;
var bufferCoordinator = containedLanguage.BufferCoordinator;
var containedLanguageHost = containedLanguage.ContainedLanguageHost;
var spansOnPrimaryBuffer = new TextManager.Interop.TextSpan[1];
if (VSConstants.S_OK == bufferCoordinator.MapSecondaryToPrimarySpan(originalSpanOnSecondaryBuffer, spansOnPrimaryBuffer))
{
// easy case, we can map span in subject buffer to surface buffer. no need to adjust any span
mappedSpan = new MappedSpan(originalLine, originalColumn, spansOnPrimaryBuffer[0].iStartLine, spansOnPrimaryBuffer[0].iStartIndex);
return(true);
}
// we can't directly map span in subject buffer to surface buffer. see whether there is any visible span we can use from the subject buffer span
if (containedLanguageHost != null &&
VSConstants.S_OK != containedLanguageHost.GetNearestVisibleToken(originalSpanOnSecondaryBuffer, spansOnPrimaryBuffer))
{
// no visible span we can use.
return(false);
}
// We need to map both the original and mapped location into visible code so that features such as error list, squiggle, etc. points to user visible area
// We have the mapped location in the primary buffer.
var nearestVisibleSpanOnPrimaryBuffer = new TextManager.Interop.TextSpan()
{
iStartLine = spansOnPrimaryBuffer[0].iStartLine,
iStartIndex = spansOnPrimaryBuffer[0].iStartIndex,
iEndLine = spansOnPrimaryBuffer[0].iStartLine,
iEndIndex = spansOnPrimaryBuffer[0].iStartIndex
};
// Map this location back to the secondary span to re-adjust the original location to be in user-code in secondary buffer.
var spansOnSecondaryBuffer = new TextManager.Interop.TextSpan[1];
if (VSConstants.S_OK != bufferCoordinator.MapPrimaryToSecondarySpan(nearestVisibleSpanOnPrimaryBuffer, spansOnSecondaryBuffer))
{
// we can't adjust original position but we can adjust mapped one
mappedSpan = new MappedSpan(originalLine, originalColumn, nearestVisibleSpanOnPrimaryBuffer.iStartLine, nearestVisibleSpanOnPrimaryBuffer.iStartIndex);
return(true);
}
var nearestVisibleSpanOnSecondaryBuffer = spansOnSecondaryBuffer[0];
var originalLocationMovedAboveInFile = IsOriginalLocationMovedAboveInFile(originalLine, originalColumn, nearestVisibleSpanOnSecondaryBuffer.iStartLine, nearestVisibleSpanOnSecondaryBuffer.iStartIndex);
if (!originalLocationMovedAboveInFile)
{
mappedSpan = new MappedSpan(nearestVisibleSpanOnSecondaryBuffer.iStartLine, nearestVisibleSpanOnSecondaryBuffer.iStartIndex, nearestVisibleSpanOnPrimaryBuffer.iStartLine, nearestVisibleSpanOnPrimaryBuffer.iStartIndex);
return(true);
}
LinePosition adjustedPosition;
if (TryFixUpNearestVisibleSpan(containedLanguageHost, bufferCoordinator, nearestVisibleSpanOnSecondaryBuffer.iStartLine, nearestVisibleSpanOnSecondaryBuffer.iStartIndex, out adjustedPosition))
{
// span has changed yet again, re-calculate span
return(TryAdjustSpanIfNeededForVenus(workspace, documentId, adjustedPosition.Line, adjustedPosition.Character, out mappedSpan));
}
mappedSpan = new MappedSpan(nearestVisibleSpanOnSecondaryBuffer.iStartLine, nearestVisibleSpanOnSecondaryBuffer.iStartIndex, nearestVisibleSpanOnPrimaryBuffer.iStartLine, nearestVisibleSpanOnPrimaryBuffer.iStartIndex);
return(true);
}
private static bool TryAdjustSpanIfNeededForVenus(VisualStudioWorkspaceImpl workspace, DocumentId documentId, int originalLine, int originalColumn, out MappedSpan mappedSpan)
{
mappedSpan = default(MappedSpan);
if (documentId == null)
{
return false;
}
var containedDocument = workspace.GetHostDocument(documentId) as ContainedDocument;
if (containedDocument == null)
{
return false;
}
var originalSpanOnSecondaryBuffer = new TextManager.Interop.TextSpan()
{
iStartLine = originalLine,
iStartIndex = originalColumn,
iEndLine = originalLine,
iEndIndex = originalColumn
};
var containedLanguage = containedDocument.ContainedLanguage;
var bufferCoordinator = containedLanguage.BufferCoordinator;
var containedLanguageHost = containedLanguage.ContainedLanguageHost;
var spansOnPrimaryBuffer = new TextManager.Interop.TextSpan[1];
if (VSConstants.S_OK == bufferCoordinator.MapSecondaryToPrimarySpan(originalSpanOnSecondaryBuffer, spansOnPrimaryBuffer))
{
// easy case, we can map span in subject buffer to surface buffer. no need to adjust any span
mappedSpan = new MappedSpan(originalLine, originalColumn, spansOnPrimaryBuffer[0].iStartLine, spansOnPrimaryBuffer[0].iStartIndex);
return true;
}
// we can't directly map span in subject buffer to surface buffer. see whether there is any visible span we can use from the subject buffer span
if (containedLanguageHost != null &&
VSConstants.S_OK != containedLanguageHost.GetNearestVisibleToken(originalSpanOnSecondaryBuffer, spansOnPrimaryBuffer))
{
// no visible span we can use.
return false;
}
// We need to map both the original and mapped location into visible code so that features such as error list, squiggle, etc. points to user visible area
// We have the mapped location in the primary buffer.
var nearestVisibleSpanOnPrimaryBuffer = new TextManager.Interop.TextSpan()
{
iStartLine = spansOnPrimaryBuffer[0].iStartLine,
iStartIndex = spansOnPrimaryBuffer[0].iStartIndex,
iEndLine = spansOnPrimaryBuffer[0].iStartLine,
iEndIndex = spansOnPrimaryBuffer[0].iStartIndex
};
// Map this location back to the secondary span to re-adjust the original location to be in user-code in secondary buffer.
var spansOnSecondaryBuffer = new TextManager.Interop.TextSpan[1];
if (VSConstants.S_OK != bufferCoordinator.MapPrimaryToSecondarySpan(nearestVisibleSpanOnPrimaryBuffer, spansOnSecondaryBuffer))
{
// we can't adjust original position but we can adjust mapped one
mappedSpan = new MappedSpan(originalLine, originalColumn, nearestVisibleSpanOnPrimaryBuffer.iStartLine, nearestVisibleSpanOnPrimaryBuffer.iStartIndex);
return true;
}
var nearestVisibleSpanOnSecondaryBuffer = spansOnSecondaryBuffer[0];
var originalLocationMovedAboveInFile = IsOriginalLocationMovedAboveInFile(originalLine, originalColumn, nearestVisibleSpanOnSecondaryBuffer.iStartLine, nearestVisibleSpanOnSecondaryBuffer.iStartIndex);
if (!originalLocationMovedAboveInFile)
{
mappedSpan = new MappedSpan(nearestVisibleSpanOnSecondaryBuffer.iStartLine, nearestVisibleSpanOnSecondaryBuffer.iStartIndex, nearestVisibleSpanOnPrimaryBuffer.iStartLine, nearestVisibleSpanOnPrimaryBuffer.iStartIndex);
return true;
}
if (TryFixUpNearestVisibleSpan(containedLanguageHost, bufferCoordinator, nearestVisibleSpanOnSecondaryBuffer.iStartLine, nearestVisibleSpanOnSecondaryBuffer.iStartIndex, out var adjustedPosition))
{
// span has changed yet again, re-calculate span
return TryAdjustSpanIfNeededForVenus(workspace, documentId, adjustedPosition.Line, adjustedPosition.Character, out mappedSpan);
}
mappedSpan = new MappedSpan(nearestVisibleSpanOnSecondaryBuffer.iStartLine, nearestVisibleSpanOnSecondaryBuffer.iStartIndex, nearestVisibleSpanOnPrimaryBuffer.iStartLine, nearestVisibleSpanOnPrimaryBuffer.iStartIndex);
return true;
}
