public async Task <QuickFixResponse> Handle(FindUsagesRequest request)
{
var document = _workspace.GetDocument(request.FileName);
var response = new QuickFixResponse();
if (document != null)
{
var locations = new List <Location>();
var semanticModel = await document.GetSemanticModelAsync();
var sourceText = await document.GetTextAsync();
var position = sourceText.Lines.GetPosition(new LinePosition(request.Line, request.Column));
var symbol = await SymbolFinder.FindSymbolAtPositionAsync(semanticModel, position, _workspace);
var definition = await SymbolFinder.FindSourceDefinitionAsync(symbol, _workspace.CurrentSolution);
var usages = request.OnlyThisFile
? await SymbolFinder.FindReferencesAsync(definition ?? symbol, _workspace.CurrentSolution, ImmutableHashSet.Create(document))
: await SymbolFinder.FindReferencesAsync(definition ?? symbol, _workspace.CurrentSolution);
foreach (var usage in usages.Where(u => u.Definition.CanBeReferencedByName || (symbol as IMethodSymbol)?.MethodKind == MethodKind.Constructor))
{
foreach (var location in usage.Locations)
{
locations.Add(location.Location);
}
if (!request.ExcludeDefinition)
{
var definitionLocations = usage.Definition.Locations
.Where(loc => loc.IsInSource && (!request.OnlyThisFile || loc.SourceTree.FilePath == request.FileName));
foreach (var location in definitionLocations)
{
locations.Add(location);
}
}
}
var quickFixTasks = locations.Distinct().Select(async l => await QuickFixHelper.GetQuickFix(_workspace, l));
var quickFixes = await Task.WhenAll(quickFixTasks);
response = new QuickFixResponse(quickFixes.Distinct()
.OrderBy(q => q.FileName)
.ThenBy(q => q.Line)
.ThenBy(q => q.Column));
}
return(response);
}
public async Task <QuickFixResponse> Handle(GotoRegionRequest request)
{
var regions = new List <QuickFix>();
var document = _workspace.GetDocument(request.FileName);
if (document != null)
{
var root = await document.GetSyntaxRootAsync();
var regionTrivias = root.DescendantNodesAndTokens()
.Where(node => node.HasLeadingTrivia)
.SelectMany(node => node.GetLeadingTrivia())
.Where(x => (x.RawKind == (int)SyntaxKind.RegionDirectiveTrivia ||
x.RawKind == (int)SyntaxKind.EndRegionDirectiveTrivia));
foreach (var regionTrivia in regionTrivias.Distinct())
{
regions.Add(await QuickFixHelper.GetQuickFix(_workspace, regionTrivia.GetLocation()));
}
}
return(new QuickFixResponse(regions));
}