void Init()
{
var loader = new DynamicLoader (importer, ctx);
CompilerCallableEntryPoint.Reset ();
RootContext.ToplevelTypes = module;
//var startup_files = new List<string> ();
//foreach (CompilationUnit file in Location.SourceFiles)
// startup_files.Add (file.Path);
loader.LoadReferences (module);
ctx.BuildinTypes.CheckDefinitions (module);
module.InitializePredefinedTypes ();
inited = true;
}