-----------------------------------------------------------------------------
--- $Id: DriverMkDepend.hs,v 1.3 2000/10/26 16:21:02 sewardj Exp $
+-- $Id: DriverMkDepend.hs,v 1.30 2003/07/18 13:18:07 simonmar Exp $
--
-- GHC Driver
--
#include "HsVersions.h"
-import CmSummarise -- for mkdependHS stuff
-import DriverState
+import GetImports ( getImports )
+import DriverState
import DriverUtil
import DriverFlags
-import TmpFiles
-import Module
-import Config
-import Util
-
-import IOExts
-import Exception
+import SysTools ( newTempName )
+import qualified SysTools
+import Module ( ModuleName, ModLocation(..),
+ moduleNameUserString, isHomeModule )
+import Finder ( findModule, hiBootExt, hiBootVerExt,
+ mkHomeModLocation )
+import Util ( global )
+import Panic
+
+import DATA_IOREF ( IORef, readIORef, writeIORef )
+import EXCEPTION
import Directory
import IO
-import Monad
-import Maybe
+import Monad ( when )
+import Maybe ( isJust )
+
+#if __GLASGOW_HASKELL__ <= 408
+import Panic ( catchJust, ioErrors )
+#endif
-------------------------------------------------------------------------------
-- mkdependHS
-- 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, ["GHC.Prim"], [String]);
GLOBAL_VAR(v_Dep_suffixes, [], [String]);
GLOBAL_VAR(v_Dep_warnings, True, Bool);
-- for compatibility with the old mkDependHS, we accept options of the form
-- -optdep-f -optdep.depend, etc.
-dep_opts = [
- ( "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) )
- ]
+dep_opts =
+ [ ( "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) )
+ , ( "-exclude-module=", Prefix (add v_Dep_exclude_mods) )
+ , ( "x", Prefix (add v_Dep_exclude_mods) )
+ ]
beginMkDependHS :: IO ()
beginMkDependHS = do
-- 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 ()
+doMkDependHSPhase basename suff input_fn
+ = do src <- readFile input_fn
+ let (import_sources, import_normals, mod_name) = getImports src
+ let orig_fn = basename ++ '.':suff
+ (_, location') <- mkHomeModLocation mod_name orig_fn
+
+ -- take -ohi into account if present
+ ohi <- readIORef v_Output_hi
+ let location | Just fn <- ohi = location'{ ml_hi_file = fn }
+ | otherwise = location'
+
+ deps_sources <- mapM (findDependency True orig_fn) import_sources
+ deps_normals <- mapM (findDependency False orig_fn) import_normals
+ let deps = deps_sources ++ deps_normals
+
+ osuf <- readIORef v_Object_suf
+ extra_suffixes <- readIORef v_Dep_suffixes
+ let suffixes = map (++ ('_':osuf)) extra_suffixes
+ obj_file = ml_obj_file location
+ objs = obj_file : map (replaceFilenameSuffix obj_file) suffixes
+
+ -- Handle for file that accumulates dependencies
+ hdl <- readIORef v_Dep_tmp_hdl
+
+ -- std dependency of the object(s) on the source file
+ hPutStrLn hdl (unwords (map escapeSpaces objs) ++ " : " ++
+ escapeSpaces (basename ++ '.':suff))
+
+ let genDep (dep, False {- not an hi file -}) =
+ hPutStrLn hdl (unwords (map escapeSpaces objs) ++ " : " ++
+ escapeSpaces dep)
+ genDep (dep, True {- is an hi file -}) = do
+ hisuf <- readIORef v_Hi_suf
+ let dep_base = remove_suffix '.' dep
+ deps = (dep_base ++ hisuf)
+ : map (\suf -> dep_base ++ suf ++ '_':hisuf) extra_suffixes
+ -- length objs should be == length deps
+ sequence_ (zipWith (\o d -> hPutStrLn hdl (escapeSpaces o ++ " : " ++ escapeSpaces d)) objs deps)
+
+ sequence_ (map genDep [ d | Just d <- deps ])
+ return location
+
+-- add the lines to dep_makefile:
+ -- always:
+ -- this.o : this.hs
+
+ -- if the dependency is on something other than a .hi file:
+ -- this.o this.p_o ... : dep
+ -- otherwise
+ -- if the import is {-# SOURCE #-}
+ -- this.o this.p_o ... : dep.hi-boot[-$vers]
+
+ -- else
+ -- this.o ... : dep.hi
+ -- this.p_o ... : dep.p_hi
+ -- ...
+
+ -- (where .o is $osuf, and the other suffixes come from
+ -- the cmdline -s options).
+
+
+
endMkDependHS :: IO ()
endMkDependHS = do
makefile <- readIORef v_Dep_makefile
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 -> (moduleNameString str, False)
- MISource str -> (moduleNameString 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 <- findModule imp
+ case r of
+ Right (mod,loc)
+ -- not in this package: we don't need a dependency
+ | not (isHomeModule mod) && not include_prelude
+ -> return Nothing
+
+ -- normal import: just depend on the .hi file
+ | not is_source
+ -> return (Just (ml_hi_file loc, not is_source))
+
+ -- if it's a source import, we want to generate a dependency
+ -- on the .hi-boot file, not the .hi file
+ | otherwise
+ -> let hi_file = ml_hi_file loc
+ boot_hi_file = replaceFilenameSuffix hi_file hiBootExt
+ boot_ver_hi_file = replaceFilenameSuffix hi_file hiBootVerExt
+ in do
+ b <- doesFileExist boot_ver_hi_file
+ if b
+ then return (Just (boot_ver_hi_file, not is_source))
+ else do
+ b <- doesFileExist boot_hi_file
+ if b
+ then return (Just (boot_hi_file, not is_source))
+ else return (Just (hi_file, not is_source))
+
+ Left _ -> throwDyn (ProgramError
+ (src ++ ": " ++ "can't locate import `" ++ imp_mod ++ "'" ++
+ if is_source then " (SOURCE import)" else ""))
projects / ghc-hetmet.git / blobdiff