+-- | Finds the enclosing top level function name
+findEnclosingDecl :: HscEnv -> Module -> SrcSpan -> Id
+findEnclosingDecl hsc_env mod span =
+ case lookupUFM (hsc_HPT hsc_env) (moduleName mod) of
+ Nothing -> panic "findEnclosingDecl"
+ Just hmi -> let
+ globals = typeEnvIds (md_types (hm_details hmi))
+ Just decl =
+ find (\id -> let n = idName id in
+ nameSrcSpan n < span && isExternalName n)
+ (reverse$ sortBy (compare `on` (nameSrcSpan.idName))
+ globals)
+ in decl
+