/// <summary>
/// Attempts to find all the locations to rename. Will not cross any process boundaries to do this.
/// </summary>
public static async Task <HeavyweightRenameLocations> FindLocationsInCurrentProcessAsync(
ISymbol symbol, Solution solution, SymbolRenameOptions options, CodeCleanupOptionsProvider cleanupOptions, CancellationToken cancellationToken)
{
Contract.ThrowIfNull(symbol);
using (Logger.LogBlock(FunctionId.Rename_AllRenameLocations, cancellationToken))
{
symbol = await RenameUtilities.FindDefinitionSymbolAsync(symbol, solution, cancellationToken).ConfigureAwait(false);
// First, find the direct references just to the symbol being renamed.
var originalSymbolResult = await AddLocationsReferenceSymbolsAsync(symbol, solution, cancellationToken).ConfigureAwait(false);
// Next, find references to overloads, if the user has asked to rename those as well.
var overloadsResult = options.RenameOverloads ? await GetOverloadsAsync(symbol, solution, cancellationToken).ConfigureAwait(false) :
ImmutableArray <SearchResult> .Empty;
// Finally, include strings/comments if that's what the user wants.
var(strings, comments) = await ReferenceProcessing.GetRenamableLocationsInStringsAndCommentsAsync(
symbol,
solution,
originalSymbolResult.Locations,
options.RenameInStrings,
options.RenameInComments,
cancellationToken).ConfigureAwait(false);
var mergedLocations = ImmutableHashSet.CreateBuilder <RenameLocation>();
using var _1 = ArrayBuilder <ISymbol> .GetInstance(out var mergedReferencedSymbols);
using var _2 = ArrayBuilder <ReferenceLocation> .GetInstance(out var mergedImplicitLocations);
var renameMethodGroupReferences = options.RenameOverloads || !RenameUtilities.GetOverloadedSymbols(symbol).Any();
foreach (var result in overloadsResult.Concat(originalSymbolResult))
{
mergedLocations.AddRange(renameMethodGroupReferences
? result.Locations
: result.Locations.Where(x => x.CandidateReason != CandidateReason.MemberGroup));
mergedImplicitLocations.AddRange(result.ImplicitLocations);
mergedReferencedSymbols.AddRange(result.ReferencedSymbols);
}
// Add string and comment locations to the merged hashset
// after adding in reference symbols. This allows any references
// in comments to be resolved as proper references rather than
// comment resolutions. See https://github.com/dotnet/roslyn/issues/54294
mergedLocations.AddRange(strings.NullToEmpty());
mergedLocations.AddRange(comments.NullToEmpty());
return(new HeavyweightRenameLocations(
symbol, solution, options, cleanupOptions,
mergedLocations.ToImmutable(),
mergedImplicitLocations.ToImmutable(),
mergedReferencedSymbols.ToImmutable()));
}
}
private static async Task <ImmutableArray <SearchResult> > GetOverloadsAsync(
ISymbol symbol, Solution solution, CancellationToken cancellationToken)
{
using var _ = ArrayBuilder <SearchResult> .GetInstance(out var overloadsResult);
foreach (var overloadedSymbol in RenameUtilities.GetOverloadedSymbols(symbol))
{
overloadsResult.Add(await AddLocationsReferenceSymbolsAsync(overloadedSymbol, solution, cancellationToken).ConfigureAwait(false));
}
return(overloadsResult.ToImmutable());
}