private static void AppendHierarchy(this HierarchicalStringBuilder builder, SyntaxNode scope, ImmutableArray <DependenciesAnalysis.Reference> references)
{
using (builder.AppendSection(scope)) {
if (scope is StatementSyntax && scope.Parent?.Parent is MethodDeclarationSyntax)
{
builder.AppendText(scope.ToString());
}
foreach (var reference in references.Where(i => i.GetScope() == scope))
{
builder.AppendItem(reference);
}
foreach (var child in scope.ChildNodes().Where(IsScope))
{
// This loop enters into only direct children scopes, so it may not come to some scopes
builder.AppendHierarchy(child, references);
}
}
}