private ImmutableDictionary <DiagnosticId, List <CodeFixProvider> > ComputeProjectFixers(Project project)
{
var extensionManager = project.Solution.Workspace.Services.GetService <IExtensionManager>();
ImmutableDictionary <DiagnosticId, List <CodeFixProvider> > .Builder builder = null;
foreach (var reference in project.AnalyzerReferences)
{
var projectCodeFixerProvider = _analyzerReferenceToFixersMap.GetValue(reference, _createProjectCodeFixProvider);
foreach (var fixer in projectCodeFixerProvider.GetFixers(project.Language))
{
var fixableIds = this.GetFixableDiagnosticIds(fixer, extensionManager);
foreach (var id in fixableIds)
{
if (string.IsNullOrWhiteSpace(id))
{
continue;
}
builder = builder ?? ImmutableDictionary.CreateBuilder <DiagnosticId, List <CodeFixProvider> >();
var list = builder.GetOrAdd(id, s_createList);
list.Add(fixer);
}
}
}
if (builder == null)
{
return(ImmutableDictionary <DiagnosticId, List <CodeFixProvider> > .Empty);
}
return(builder.ToImmutable());
}
