private async Task <bool> CheckForConflictAsync(
ConflictResolution conflictResolution,
ISymbol renamedSymbolInNewSolution,
Document newDocument,
RenameActionAnnotation conflictAnnotation,
IEnumerable <ISymbol> newReferencedSymbols)
{
try
{
bool hasConflict;
var solution = conflictResolution.NewSolution;
if (conflictAnnotation.IsNamespaceDeclarationReference)
{
hasConflict = false;
}
else if (conflictAnnotation.IsMemberGroupReference)
{
if (!conflictAnnotation.RenameDeclarationLocationReferences.Any())
{
hasConflict = false;
}
else
{
// Ensure newReferencedSymbols contains at least one of the original referenced
// symbols, and allow any new symbols to be added to the set of references.
hasConflict = true;
var newLocationTasks = newReferencedSymbols.Select(async symbol => await GetSymbolLocationAsync(solution, symbol, _cancellationToken).ConfigureAwait(false));
var newLocations = (await Task.WhenAll(newLocationTasks).ConfigureAwait(false)).Where(loc => loc != null && loc.IsInSource);
foreach (var originalReference in conflictAnnotation.RenameDeclarationLocationReferences.Where(loc => loc.IsSourceLocation))
{
var adjustedStartPosition = conflictResolution.GetAdjustedTokenStartingPosition(originalReference.TextSpan.Start, originalReference.DocumentId);
if (newLocations.Any(loc => loc.SourceSpan.Start == adjustedStartPosition))
{
hasConflict = false;
break;
}
}
}
}
else if (!conflictAnnotation.IsRenameLocation && conflictAnnotation.IsOriginalTextLocation && conflictAnnotation.RenameDeclarationLocationReferences.Length > 1 && newReferencedSymbols.Count() == 1)
{
// an ambiguous situation was resolved through rename in non reference locations
hasConflict = false;
}
else if (newReferencedSymbols.Count() != conflictAnnotation.RenameDeclarationLocationReferences.Length)
{
// Don't show conflicts for errors in the old solution that now bind in the new solution.
if (newReferencedSymbols.Count() != 0 && conflictAnnotation.RenameDeclarationLocationReferences.Length == 0)
{
hasConflict = false;
}
else
{
hasConflict = true;
}
}
else
{
hasConflict = false;
var symbolIndex = 0;
foreach (var symbol in newReferencedSymbols)
{
if (conflictAnnotation.RenameDeclarationLocationReferences[symbolIndex].SymbolLocationsCount != symbol.Locations.Length)
{
hasConflict = true;
break;
}
var newLocation = await GetSymbolLocationAsync(solution, symbol, _cancellationToken).ConfigureAwait(false);
if (newLocation != null && conflictAnnotation.RenameDeclarationLocationReferences[symbolIndex].IsSourceLocation)
{
// location was in source before, but not after rename
if (!newLocation.IsInSource)
{
hasConflict = true;
break;
}
var renameDeclarationLocationReference = conflictAnnotation.RenameDeclarationLocationReferences[symbolIndex];
var newAdjustedStartPosition = conflictResolution.GetAdjustedTokenStartingPosition(renameDeclarationLocationReference.TextSpan.Start, renameDeclarationLocationReference.DocumentId);
if (newAdjustedStartPosition != newLocation.SourceSpan.Start)
{
hasConflict = true;
break;
}
if (conflictAnnotation.RenameDeclarationLocationReferences[symbolIndex].IsOverriddenFromMetadata)
{
var overridingSymbol = await SymbolFinder.FindSymbolAtPositionAsync(solution.GetDocument(newLocation.SourceTree), newLocation.SourceSpan.Start, cancellationToken : _cancellationToken).ConfigureAwait(false);
if (overridingSymbol != null && !Equals(renamedSymbolInNewSolution, overridingSymbol))
{
if (!overridingSymbol.IsOverride)
{
hasConflict = true;
break;
}
else
{
var overriddenSymbol = overridingSymbol.OverriddenMember();
if (overriddenSymbol == null || !overriddenSymbol.Locations.All(loc => loc.IsInMetadata))
{
hasConflict = true;
break;
}
}
}
}
}
else
{
var newMetadataName = symbol.ToDisplayString(s_metadataSymbolDisplayFormat);
var oldMetadataName = conflictAnnotation.RenameDeclarationLocationReferences[symbolIndex].Name;
if (newLocation == null ||
newLocation.IsInSource ||
!HeuristicMetadataNameEquivalenceCheck(
oldMetadataName,
newMetadataName,
_originalText,
_replacementText))
{
hasConflict = true;
break;
}
}
symbolIndex++;
}
}
return(hasConflict);
}
catch (Exception e) when(FatalError.ReportUnlessCanceled(e))
{
throw ExceptionUtilities.Unreachable;
}
}
private async Task <bool> CheckForConflictAsync(
ConflictResolution conflictResolution,
ISymbol renamedSymbolInNewSolution,
Document newDocument,
RenameActionAnnotation conflictAnnotation,
IEnumerable <ISymbol> newReferencedSymbols)
{
bool hasConflict;
var solution = conflictResolution.NewSolution;
if (conflictAnnotation.IsNamespaceDeclarationReference)
{
hasConflict = false;
}
else if (!conflictAnnotation.IsRenameLocation && conflictAnnotation.IsOriginalTextLocation && conflictAnnotation.RenameDeclarationLocationReferences.Length > 1 && newReferencedSymbols.Count() == 1)
{
// an ambiguous situation was resolved through rename in non reference locations
hasConflict = false;
}
else if (newReferencedSymbols.Count() != conflictAnnotation.RenameDeclarationLocationReferences.Length)
{
// Don't show conflicts for errors in the old solution that now bind in the new solution.
if (newReferencedSymbols.Count() != 0 && conflictAnnotation.RenameDeclarationLocationReferences.Length == 0)
{
hasConflict = false;
}
else
{
hasConflict = true;
}
}
else
{
hasConflict = false;
int symbolIndex = 0;
foreach (var symbol in newReferencedSymbols)
{
if (conflictAnnotation.RenameDeclarationLocationReferences[symbolIndex].SymbolLocationsCount != symbol.Locations.Count())
{
hasConflict = true;
break;
}
var newLocation = await GetSymbolLocationAsync(solution, symbol, _cancellationToken).ConfigureAwait(false);
if (newLocation != null && conflictAnnotation.RenameDeclarationLocationReferences[symbolIndex].IsSourceLocation)
{
// location was in source before, but not after rename
if (!newLocation.IsInSource)
{
hasConflict = true;
break;
}
var renameDeclarationLocationReference = conflictAnnotation.RenameDeclarationLocationReferences[symbolIndex];
var newAdjustedStartPosition = conflictResolution.GetAdjustedTokenStartingPosition(renameDeclarationLocationReference.TextSpan.Start, renameDeclarationLocationReference.DocumentId);
if (newAdjustedStartPosition != newLocation.SourceSpan.Start)
{
hasConflict = true;
break;
}
if (conflictAnnotation.RenameDeclarationLocationReferences[symbolIndex].IsOverriddenFromMetadata)
{
var overridingSymbol = await SymbolFinder.FindSymbolAtPositionAsync(solution.GetDocument(newLocation.SourceTree), newLocation.SourceSpan.Start, cancellationToken : _cancellationToken).ConfigureAwait(false);
if (overridingSymbol != null && renamedSymbolInNewSolution != overridingSymbol)
{
if (!overridingSymbol.IsOverride)
{
hasConflict = true;
break;
}
else
{
var overriddenSymbol = overridingSymbol.OverriddenMember();
if (overriddenSymbol == null || !overriddenSymbol.Locations.All(loc => loc.IsInMetadata))
{
hasConflict = true;
break;
}
}
}
}
}
else
{
var newMetadataName = symbol.ToDisplayString(s_metadataSymbolDisplayFormat);
var oldMetadataName = conflictAnnotation.RenameDeclarationLocationReferences[symbolIndex].Name;
if (newLocation == null ||
newLocation.IsInSource ||
!HeuristicMetadataNameEquivalenceCheck(
oldMetadataName,
newMetadataName,
_originalText,
_replacementText))
{
hasConflict = true;
break;
}
}
symbolIndex++;
}
}
return(hasConflict);
}
private async Task<bool> CheckForConflictAsync(
ConflictResolution conflictResolution,
ISymbol renamedSymbolInNewSolution,
Document newDocument,
RenameActionAnnotation conflictAnnotation,
IEnumerable<ISymbol> newReferencedSymbols)
{
try
{
bool hasConflict;
var solution = conflictResolution.NewSolution;
if (conflictAnnotation.IsNamespaceDeclarationReference)
{
hasConflict = false;
}
else if (conflictAnnotation.IsMemberGroupReference)
{
if (!conflictAnnotation.RenameDeclarationLocationReferences.Any())
{
hasConflict = false;
}
else
{
// Ensure newReferencedSymbols contains at least one of the original referenced
// symbols, and allow any new symbols to be added to the set of references.
hasConflict = true;
var newLocationTasks = newReferencedSymbols.Select(async symbol => await GetSymbolLocationAsync(solution, symbol, _cancellationToken).ConfigureAwait(false));
var newLocations = (await Task.WhenAll(newLocationTasks).ConfigureAwait(false)).Where(loc => loc != null && loc.IsInSource);
foreach (var originalReference in conflictAnnotation.RenameDeclarationLocationReferences.Where(loc => loc.IsSourceLocation))
{
var adjustedStartPosition = conflictResolution.GetAdjustedTokenStartingPosition(originalReference.TextSpan.Start, originalReference.DocumentId);
if (newLocations.Any(loc => loc.SourceSpan.Start == adjustedStartPosition))
{
hasConflict = false;
break;
}
}
}
}
else if (!conflictAnnotation.IsRenameLocation && conflictAnnotation.IsOriginalTextLocation && conflictAnnotation.RenameDeclarationLocationReferences.Length > 1 && newReferencedSymbols.Count() == 1)
{
// an ambiguous situation was resolved through rename in non reference locations
hasConflict = false;
}
else if (newReferencedSymbols.Count() != conflictAnnotation.RenameDeclarationLocationReferences.Length)
{
// Don't show conflicts for errors in the old solution that now bind in the new solution.
if (newReferencedSymbols.Count() != 0 && conflictAnnotation.RenameDeclarationLocationReferences.Length == 0)
{
hasConflict = false;
}
else
{
hasConflict = true;
}
}
else
{
hasConflict = false;
int symbolIndex = 0;
foreach (var symbol in newReferencedSymbols)
{
if (conflictAnnotation.RenameDeclarationLocationReferences[symbolIndex].SymbolLocationsCount != symbol.Locations.Count())
{
hasConflict = true;
break;
}
var newLocation = await GetSymbolLocationAsync(solution, symbol, _cancellationToken).ConfigureAwait(false);
if (newLocation != null && conflictAnnotation.RenameDeclarationLocationReferences[symbolIndex].IsSourceLocation)
{
// location was in source before, but not after rename
if (!newLocation.IsInSource)
{
hasConflict = true;
break;
}
var renameDeclarationLocationReference = conflictAnnotation.RenameDeclarationLocationReferences[symbolIndex];
var newAdjustedStartPosition = conflictResolution.GetAdjustedTokenStartingPosition(renameDeclarationLocationReference.TextSpan.Start, renameDeclarationLocationReference.DocumentId);
if (newAdjustedStartPosition != newLocation.SourceSpan.Start)
{
hasConflict = true;
break;
}
if (conflictAnnotation.RenameDeclarationLocationReferences[symbolIndex].IsOverriddenFromMetadata)
{
var overridingSymbol = await SymbolFinder.FindSymbolAtPositionAsync(solution.GetDocument(newLocation.SourceTree), newLocation.SourceSpan.Start, cancellationToken: _cancellationToken).ConfigureAwait(false);
if (overridingSymbol != null && renamedSymbolInNewSolution != overridingSymbol)
{
if (!overridingSymbol.IsOverride)
{
hasConflict = true;
break;
}
else
{
var overriddenSymbol = overridingSymbol.OverriddenMember();
if (overriddenSymbol == null || !overriddenSymbol.Locations.All(loc => loc.IsInMetadata))
{
hasConflict = true;
break;
}
}
}
}
}
else
{
var newMetadataName = symbol.ToDisplayString(s_metadataSymbolDisplayFormat);
var oldMetadataName = conflictAnnotation.RenameDeclarationLocationReferences[symbolIndex].Name;
if (newLocation == null ||
newLocation.IsInSource ||
!HeuristicMetadataNameEquivalenceCheck(
oldMetadataName,
newMetadataName,
_originalText,
_replacementText))
{
hasConflict = true;
break;
}
}
symbolIndex++;
}
}
return hasConflict;
}
catch (Exception e) when (FatalError.ReportUnlessCanceled(e))
{
throw ExceptionUtilities.Unreachable;
}
}
private async Task<bool> CheckForConflictAsync(
ConflictResolution conflictResolution,
ISymbol renamedSymbolInNewSolution,
Document newDocument,
RenameActionAnnotation conflictAnnotation,
IEnumerable<ISymbol> newReferencedSymbols)
{
bool hasConflict;
var solution = conflictResolution.NewSolution;
if (conflictAnnotation.IsNamespaceDeclarationReference)
{
hasConflict = false;
}
else if (!conflictAnnotation.IsRenameLocation && conflictAnnotation.IsOriginalTextLocation && conflictAnnotation.RenameDeclarationLocationReferences.Length > 1 && newReferencedSymbols.Count() == 1)
{
// an ambiguous situation was resolved through rename in non reference locations
hasConflict = false;
}
else if (newReferencedSymbols.Count() != conflictAnnotation.RenameDeclarationLocationReferences.Length)
{
// Don't show conflicts for errors in the old solution that now bind in the new solution.
if (newReferencedSymbols.Count() != 0 && conflictAnnotation.RenameDeclarationLocationReferences.Length == 0)
{
hasConflict = false;
}
else
{
hasConflict = true;
}
}
else
{
hasConflict = false;
int symbolIndex = 0;
foreach (var symbol in newReferencedSymbols)
{
if (conflictAnnotation.RenameDeclarationLocationReferences[symbolIndex].SymbolLocationsCount != symbol.Locations.Count())
{
hasConflict = true;
break;
}
var newLocation = await GetSymbolLocationAsync(solution, symbol, cancellationToken).ConfigureAwait(false);
if (newLocation != null && conflictAnnotation.RenameDeclarationLocationReferences[symbolIndex].IsSourceLocation)
{
// location was in source before, but not after rename
if (!newLocation.IsInSource)
{
hasConflict = true;
break;
}
var renameDeclarationLocationReference = conflictAnnotation.RenameDeclarationLocationReferences[symbolIndex];
var newAdjustedStartPosition = conflictResolution.GetAdjustedTokenStartingPosition(renameDeclarationLocationReference.TextSpan.Start, renameDeclarationLocationReference.DocumentId);
if (newAdjustedStartPosition != newLocation.SourceSpan.Start)
{
hasConflict = true;
break;
}
if (conflictAnnotation.RenameDeclarationLocationReferences[symbolIndex].IsOverriddenFromMetadata)
{
var overridingSymbol = await SymbolFinder.FindSymbolAtPositionAsync(solution.GetDocument(newLocation.SourceTree), newLocation.SourceSpan.Start, cancellationToken: cancellationToken).ConfigureAwait(false);
if (overridingSymbol != null && renamedSymbolInNewSolution != overridingSymbol)
{
if (!overridingSymbol.IsOverride)
{
hasConflict = true;
break;
}
else
{
var overriddenSymbol = overridingSymbol.OverriddenMember();
if (overriddenSymbol == null || !overriddenSymbol.Locations.All(loc => loc.IsInMetadata))
{
hasConflict = true;
break;
}
}
}
}
}
else
{
var newMetadataName = symbol.ToDisplayString(metadataSymbolDisplayFormat);
var oldMetadataName = conflictAnnotation.RenameDeclarationLocationReferences[symbolIndex].Name;
if (newLocation.IsInSource ||
!HeuristicMetadataNameEquivalenceCheck(
oldMetadataName,
newMetadataName,
originalText,
replacementText))
{
hasConflict = true;
break;
}
}
symbolIndex++;
}
}
return hasConflict;
}