// *DO NOT DELETE*
// This is used by Ruleset Editor from ManagedSourceCodeAnalysis.dll.
public IReadOnlyDictionary <string, IEnumerable <DiagnosticDescriptor> > GetAllDiagnosticDescriptors(IVsHierarchy hierarchyOpt)
{
if (hierarchyOpt == null)
{
return(Transform(_diagnosticService.CreateDiagnosticDescriptorsPerReference(projectOpt: null)));
}
// Analyzers are only supported for C# and VB currently.
var projectsWithHierarchy = (_workspace.DeferredState?.ProjectTracker.ImmutableProjects ?? ImmutableArray <AbstractProject> .Empty)
.Where(p => p.Language == LanguageNames.CSharp || p.Language == LanguageNames.VisualBasic)
.Where(p => p.Hierarchy == hierarchyOpt)
.Select(p => _workspace.CurrentSolution.GetProject(p.Id));
if (projectsWithHierarchy.Count() <= 1)
{
return(Transform(_diagnosticService.CreateDiagnosticDescriptorsPerReference(projectsWithHierarchy.FirstOrDefault())));
}
else
{
// Multiple workspace projects map to the same hierarchy, return a union of descriptors for all projects.
// For example, this can happen for web projects where we create on the fly projects for aspx files.
var descriptorsMap = ImmutableDictionary.CreateBuilder <string, IEnumerable <DiagnosticDescriptor> >();
foreach (var project in projectsWithHierarchy)
{
var newDescriptorTuples = _diagnosticService.CreateDiagnosticDescriptorsPerReference(project);
foreach (var kvp in newDescriptorTuples)
{
if (descriptorsMap.TryGetValue(kvp.Key, out var existingDescriptors))
{
descriptorsMap[kvp.Key] = existingDescriptors.Concat(kvp.Value).Distinct();
}
else
{
descriptorsMap[kvp.Key] = kvp.Value;
}
}
}
return(descriptorsMap.ToImmutable());
}
}