mkHomeModLocation2, -- :: ModuleName -> FilePath -> String -> IO ModLocation
addHomeModuleToFinder, -- :: HscEnv -> Module -> ModLocation -> IO ()
- findLinkable, -- :: ModuleName -> ModLocation -> IO (Maybe Linkable)
+ findObjectLinkableMaybe,
+ findObjectLinkable,
cantFindError, -- :: DynFlags -> Module -> FindResult -> SDoc
) where
import Control.Monad
import Maybes ( MaybeErr(..) )
import Data.Maybe ( isNothing )
+import Time ( ClockTime )
type FileExt = String -- Filename extension
-- findLinkable isn't related to the other stuff in here,
-- but there's no other obvious place for it
-findLinkable :: Module -> ModLocation -> IO (Maybe Linkable)
-findLinkable mod locn
+findObjectLinkableMaybe :: Module -> ModLocation -> IO (Maybe Linkable)
+findObjectLinkableMaybe mod locn
= do let obj_fn = ml_obj_file locn
- obj_exist <- doesFileExist obj_fn
- if not obj_exist
- then return Nothing
- else
- do let stub_fn = case splitFilename3 obj_fn of
- (dir, base, ext) -> dir ++ "/" ++ base ++ "_stub.o"
- stub_exist <- doesFileExist stub_fn
- obj_time <- getModificationTime obj_fn
- if stub_exist
- then return (Just (LM obj_time mod [DotO obj_fn, DotO stub_fn]))
- else return (Just (LM obj_time mod [DotO obj_fn]))
+ maybe_obj_time <- modificationTimeIfExists obj_fn
+ case maybe_obj_time of
+ Nothing -> return Nothing
+ Just obj_time -> liftM Just (findObjectLinkable mod obj_fn obj_time)
+
+-- Make an object linkable when we know the object file exists, and we know
+-- its modification time.
+findObjectLinkable :: Module -> FilePath -> ClockTime -> IO Linkable
+findObjectLinkable mod obj_fn obj_time = do
+ let stub_fn = case splitFilename3 obj_fn of
+ (dir, base, ext) -> dir ++ "/" ++ base ++ "_stub.o"
+ stub_exist <- doesFileExist stub_fn
+ if stub_exist
+ then return (LM obj_time mod [DotO obj_fn, DotO stub_fn])
+ else return (LM obj_time mod [DotO obj_fn])
-- -----------------------------------------------------------------------------
-- Utils