+ found_new entry = do
+ addToFinderCache cache name entry
+ return $! found entry
+
+ not_cached
+ | not home_allowed = do
+ j <- findPackageModule' dflags name
+ case j of
+ Failed paths -> return (NotFound paths)
+ Succeeded entry -> found_new entry
+
+ | home_allowed && explicit = do
+ -- for an explict home import, we try looking for
+ -- both a package module and a home module, and report
+ -- a FoundMultiple if we find both.
+ j <- findHomeModule' dflags name
+ case j of
+ Failed home_files -> do
+ r <- findPackageModule' dflags name
+ case r of
+ Failed pkg_files ->
+ return (NotFound (home_files ++ pkg_files))
+ Succeeded entry ->
+ found_new entry
+ Succeeded entry@(loc,_) -> do
+ r <- findPackageModule' dflags name
+ case r of
+ Failed pkg_files -> found_new entry
+ Succeeded (_,Just (pkg,_)) ->
+ return (FoundMultiple loc (packageConfigId pkg))
+ Succeeded _ ->
+ panic "findModule: shouldn't happen"
+
+ -- implicit home imports: check for package modules first,
+ -- because that's the quickest (doesn't involve filesystem
+ -- operations).
+ | home_allowed && not explicit = do
+ r <- findPackageModule' dflags name
+ case r of
+ Failed pkg_files -> do
+ j <- findHomeModule' dflags name
+ case j of
+ Failed home_files ->
+ return (NotFound (home_files ++ pkg_files))
+ Succeeded entry ->
+ found_new entry
+ Succeeded entry ->
+ found_new entry
+
+