-----------------------------------------------------------------------------
--- $Id: DriverMkDepend.hs,v 1.4 2000/11/15 09:58:00 sewardj Exp $
+-- $Id: DriverMkDepend.hs,v 1.15 2001/08/03 07:44:47 sof Exp $
--
-- GHC Driver
--
#include "HsVersions.h"
-import CmSummarise -- for mkdependHS stuff
import DriverState
import DriverUtil
import DriverFlags
-import TmpFiles
+import SysTools ( newTempName )
+import qualified SysTools
import Module
import Config
+import Module ( isHomeModule )
+import Finder ( findModuleDep )
+import HscTypes ( ModuleLocation(..) )
import Util
+import Panic
import IOExts
import Exception
-- flags
GLOBAL_VAR(v_Dep_makefile, "Makefile", String);
GLOBAL_VAR(v_Dep_include_prelude, False, Bool);
-GLOBAL_VAR(v_Dep_ignore_dirs, [], [String]);
+GLOBAL_VAR(v_Dep_exclude_mods, [], [String]);
GLOBAL_VAR(v_Dep_suffixes, [], [String]);
GLOBAL_VAR(v_Dep_warnings, True, Bool);
( "s", SepArg (add v_Dep_suffixes) ),
( "f", SepArg (writeIORef v_Dep_makefile) ),
( "w", NoArg (writeIORef v_Dep_warnings False) ),
- ( "-include-prelude", NoArg (writeIORef v_Dep_include_prelude True) ),
- ( "X", Prefix (addToDirList v_Dep_ignore_dirs) ),
- ( "-exclude-directory=", Prefix (addToDirList v_Dep_ignore_dirs) )
+ ( "-include-prelude", NoArg (writeIORef v_Dep_include_prelude True) )
+-- ( "-exclude-module=", Prefix (add v_Dep_exclude_mods) )
+-- ( "x", Prefix (add v_Dep_exclude_mods) )
]
beginMkDependHS :: IO ()
-- reference.
import_dirs <- readIORef v_Import_paths
pkg_import_dirs <- getPackageImportPath
- import_dir_contents <- mapM getDirectoryContents import_dirs
- pkg_import_dir_contents <- mapM getDirectoryContents pkg_import_dirs
+ import_dir_contents <- mapM softGetDirectoryContents import_dirs
+ pkg_import_dir_contents <- mapM softGetDirectoryContents pkg_import_dirs
writeIORef v_Dep_dir_contents
(zip import_dirs import_dir_contents ++
zip pkg_import_dirs pkg_import_dir_contents)
- -- ignore packages unless --include-prelude is on
- include_prelude <- readIORef v_Dep_include_prelude
- when (not include_prelude) $
- mapM_ (add v_Dep_ignore_dirs) pkg_import_dirs
-
return ()
Nothing -> return ()
Just hdl -> do
- -- slurp the rest of the orignal makefile and copy it into the output
+ -- slurp the rest of the original makefile and copy it into the output
let slurp = do
l <- hGetLine hdl
hPutStrLn tmp_hdl l
hClose tmp_hdl -- make sure it's flushed
- -- create a backup of the original makefile
- when (isJust makefile_hdl) $
- run_something ("Backing up " ++ makefile)
- (unwords [ "cp", makefile, makefile++".bak" ])
-
- -- copy the new makefile in place
- run_something "Installing new makefile"
- (unwords [ "cp", tmp_file, makefile ])
-
-
-findDependency :: String -> ModImport -> IO (Maybe (String, Bool))
-findDependency mod imp = do
- dir_contents <- readIORef v_Dep_dir_contents
- ignore_dirs <- readIORef v_Dep_ignore_dirs
- hisuf <- readIORef v_Hi_suf
-
- let
- (imp_mod, is_source) =
- case imp of
- MINormal str -> (moduleNameUserString str, False)
- MISource str -> (moduleNameUserString str, True )
-
- imp_hi = imp_mod ++ '.':hisuf
- imp_hiboot = imp_mod ++ ".hi-boot"
- imp_hiboot_v = imp_mod ++ ".hi-boot-" ++ cHscIfaceFileVersion
- imp_hs = imp_mod ++ ".hs"
- imp_lhs = imp_mod ++ ".lhs"
-
- deps | is_source = [ imp_hiboot_v, imp_hiboot, imp_hs, imp_lhs ]
- | otherwise = [ imp_hi, imp_hs, imp_lhs ]
-
- search [] = throwDyn (OtherError ("can't find one of the following: " ++
- unwords (map (\d -> '`': d ++ "'") deps) ++
- " (imported from `" ++ mod ++ "')"))
- search ((dir, contents) : dirs)
- | null present = search dirs
- | otherwise =
- if dir `elem` ignore_dirs
- then return Nothing
- else if is_source
- then if dep /= imp_hiboot_v
- then return (Just (dir++'/':imp_hiboot, False))
- else return (Just (dir++'/':dep, False))
- else return (Just (dir++'/':imp_hi, not is_source))
- where
- present = filter (`elem` contents) deps
- dep = head present
-
- -- in
- search dir_contents
-
+ -- Create a backup of the original makefile
+ when (isJust makefile_hdl)
+ (SysTools.copy ("Backing up " ++ makefile) makefile (makefile++".bak"))
+
+ -- Copy the new makefile in place
+ SysTools.copy "Installing new makefile" tmp_file makefile
+
+
+findDependency :: Bool -> FilePath -> ModuleName -> IO (Maybe (String, Bool))
+findDependency is_source src imp = do
+ excl_mods <- readIORef v_Dep_exclude_mods
+ include_prelude <- readIORef v_Dep_include_prelude
+ let imp_mod = moduleNameUserString imp
+ if imp_mod `elem` excl_mods
+ then return Nothing
+ else do
+ r <- findModuleDep imp is_source
+ case r of
+ Just (mod,loc)
+ | isHomeModule mod || include_prelude
+ -> return (Just (ml_hi_file loc, not is_source))
+ | otherwise
+ -> return Nothing
+ Nothing -> throwDyn (ProgramError
+ (src ++ ": " ++ "can't locate import `" ++ imp_mod ++ "'"))