X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fmain%2FFinder.lhs;h=6e2b11d0257fc0734ea711de682b2d538311f055;hb=6a05ec5ef5373f61b7f9f5bdc344483417fa801b;hp=5419112d8450ffe51aa204349cdda4164478f759;hpb=32d74bdc904d99eb59b850ec1925f67d3cd8b14d;p=ghc-hetmet.git diff --git a/compiler/main/Finder.lhs b/compiler/main/Finder.lhs index 5419112..6e2b11d 100644 --- a/compiler/main/Finder.lhs +++ b/compiler/main/Finder.lhs @@ -4,13 +4,6 @@ \section[Finder]{Module Finder} \begin{code} -{-# OPTIONS -w #-} --- The above warning supression flag is a temporary kludge. --- While working on this module you are encouraged to remove it and fix --- any warnings in the module. See --- http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings --- for details - module Finder ( flushFinderCaches, FindResult(..), @@ -87,16 +80,25 @@ flushModLocationCache this_pkg ref = do where is_ext mod _ | modulePackageId mod /= this_pkg = True | otherwise = False +addToFinderCache :: IORef FinderCache -> ModuleName -> FindResult -> IO () addToFinderCache ref key val = modifyIORef ref $ \c -> addToUFM c key val + +addToModLocationCache :: IORef ModLocationCache -> Module -> ModLocation -> IO () addToModLocationCache ref key val = modifyIORef ref $ \c -> addToFM c key val +removeFromFinderCache :: IORef FinderCache -> ModuleName -> IO () removeFromFinderCache ref key = modifyIORef ref $ \c -> delFromUFM c key + +removeFromModLocationCache :: IORef ModLocationCache -> Module -> IO () removeFromModLocationCache ref key = modifyIORef ref $ \c -> delFromFM c key +lookupFinderCache :: IORef FinderCache -> ModuleName -> IO (Maybe FindResult) lookupFinderCache ref key = do c <- readIORef ref return $! lookupUFM c key +lookupModLocationCache :: IORef ModLocationCache -> Module + -> IO (Maybe ModLocation) lookupModLocationCache ref key = do c <- readIORef ref return $! lookupFM c key @@ -148,6 +150,7 @@ findExactModule hsc_env mod = -- ----------------------------------------------------------------------------- -- Helpers +orIfNotFound :: IO FindResult -> IO FindResult -> IO FindResult this `orIfNotFound` or_this = do res <- this case res of @@ -273,6 +276,7 @@ findPackageModule hsc_env mod = do Nothing -> return (NoPackage pkg_id) Just pkg_conf -> findPackageModule_ hsc_env mod pkg_conf +findPackageModule_ :: HscEnv -> Module -> PackageConfig -> IO FindResult findPackageModule_ hsc_env mod pkg_conf = modLocationCache hsc_env mod $ @@ -519,7 +523,7 @@ findObjectLinkableMaybe mod locn 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" + (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]) @@ -528,9 +532,9 @@ findObjectLinkable mod obj_fn obj_time = do -- ----------------------------------------------------------------------------- -- Utils +dots_to_slashes :: String -> String dots_to_slashes = map (\c -> if c == '.' then '/' else c) - -- ----------------------------------------------------------------------------- -- Error messages @@ -540,7 +544,8 @@ cannotFindModule = cantFindErr SLIT("Could not find module") cannotFindInterface :: DynFlags -> ModuleName -> FindResult -> SDoc cannotFindInterface = cantFindErr SLIT("Failed to load interface for") -cantFindErr cannot_find dflags mod_name (FoundMultiple pkgs) +cantFindErr :: LitString -> DynFlags -> ModuleName -> FindResult -> SDoc +cantFindErr cannot_find _dflags mod_name (FoundMultiple pkgs) = hang (ptext cannot_find <+> quotes (ppr mod_name) <> colon) 2 ( sep [ptext SLIT("it was found in multiple packages:"), hsep (map (text.packageIdString) pkgs)]