X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fmain%2FDriverMkDepend.hs;h=5a2f62975c41143ac70a4da362a59b8654894d12;hb=caac75c6a454396dadff0323162ed14adb4893cd;hp=8a80a85dbf0694e96c6bc18bc5afc00c7879d8f0;hpb=8e009ec9dfa9fddd6f196c683f6335c84dca55f0;p=ghc-hetmet.git diff --git a/ghc/compiler/main/DriverMkDepend.hs b/ghc/compiler/main/DriverMkDepend.hs index 8a80a85..5a2f629 100644 --- a/ghc/compiler/main/DriverMkDepend.hs +++ b/ghc/compiler/main/DriverMkDepend.hs @@ -1,5 +1,5 @@ ----------------------------------------------------------------------------- --- $Id: DriverMkDepend.hs,v 1.1 2000/10/11 15:31:43 simonmar Exp $ +-- $Id: DriverMkDepend.hs,v 1.17 2002/02/05 14:42:08 simonpj Exp $ -- -- GHC Driver -- @@ -11,14 +11,17 @@ module DriverMkDepend where #include "HsVersions.h" -import CmSummarise -- for mkdependHS stuff import DriverState import DriverUtil import DriverFlags -import TmpFiles -import Config +import SysTools ( newTempName ) +import qualified SysTools +import Module +import Module ( isHomeModule ) +import Finder ( findModuleDep ) +import HscTypes ( ModuleLocation(..) ) import Util -import CmdLineOpts +import Panic import IOExts import Exception @@ -32,57 +35,57 @@ import Maybe -- mkdependHS -- flags -GLOBAL_VAR(dep_makefile, "Makefile", String); -GLOBAL_VAR(dep_include_prelude, False, Bool); -GLOBAL_VAR(dep_ignore_dirs, [], [String]); -GLOBAL_VAR(dep_suffixes, [], [String]); -GLOBAL_VAR(dep_warnings, True, Bool); +GLOBAL_VAR(v_Dep_makefile, "Makefile", String); +GLOBAL_VAR(v_Dep_include_prelude, False, Bool); +GLOBAL_VAR(v_Dep_exclude_mods, [], [String]); +GLOBAL_VAR(v_Dep_suffixes, [], [String]); +GLOBAL_VAR(v_Dep_warnings, True, Bool); -- global vars -GLOBAL_VAR(dep_makefile_hdl, error "dep_makefile_hdl", Maybe Handle); -GLOBAL_VAR(dep_tmp_file, error "dep_tmp_file", String); -GLOBAL_VAR(dep_tmp_hdl, error "dep_tmp_hdl", Handle); -GLOBAL_VAR(dep_dir_contents, error "dep_dir_contents", [(String,[String])]); +GLOBAL_VAR(v_Dep_makefile_hdl, error "dep_makefile_hdl", Maybe Handle); +GLOBAL_VAR(v_Dep_tmp_file, error "dep_tmp_file", String); +GLOBAL_VAR(v_Dep_tmp_hdl, error "dep_tmp_hdl", Handle); +GLOBAL_VAR(v_Dep_dir_contents, error "dep_dir_contents", [(String,[String])]); depStartMarker = "# DO NOT DELETE: Beginning of Haskell dependencies" depEndMarker = "# DO NOT DELETE: End of Haskell dependencies" -- for compatibility with the old mkDependHS, we accept options of the form -- -optdep-f -optdep.depend, etc. -dep_opts = [ - ( "s", SepArg (add dep_suffixes) ), - ( "f", SepArg (writeIORef dep_makefile) ), - ( "w", NoArg (writeIORef dep_warnings False) ), - ( "-include-prelude", NoArg (writeIORef dep_include_prelude True) ), - ( "X", Prefix (addToDirList dep_ignore_dirs) ), - ( "-exclude-directory=", Prefix (addToDirList 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 -- slurp in the mkdependHS-style options - flags <- getStaticOpts opt_dep + flags <- getStaticOpts v_Opt_dep _ <- processArgs dep_opts flags [] -- open a new temp file in which to stuff the dependency info -- as we go along. dep_file <- newTempName "dep" - writeIORef dep_tmp_file dep_file + writeIORef v_Dep_tmp_file dep_file tmp_hdl <- openFile dep_file WriteMode - writeIORef dep_tmp_hdl tmp_hdl + writeIORef v_Dep_tmp_hdl tmp_hdl -- open the makefile - makefile <- readIORef dep_makefile + makefile <- readIORef v_Dep_makefile exists <- doesFileExist makefile if not exists then do - writeIORef dep_makefile_hdl Nothing + writeIORef v_Dep_makefile_hdl Nothing return () else do makefile_hdl <- openFile makefile ReadMode - writeIORef dep_makefile_hdl (Just makefile_hdl) + writeIORef v_Dep_makefile_hdl (Just makefile_hdl) -- slurp through until we get the magic start string, -- copying the contents into dep_makefile @@ -111,28 +114,23 @@ beginMkDependHS = do -- cache the contents of all the import directories, for future -- reference. - import_dirs <- readIORef import_paths + 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 - writeIORef dep_dir_contents + 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 dep_include_prelude - when (not include_prelude) $ - mapM_ (add dep_ignore_dirs) pkg_import_dirs - return () endMkDependHS :: IO () endMkDependHS = do - makefile <- readIORef dep_makefile - makefile_hdl <- readIORef dep_makefile_hdl - tmp_file <- readIORef dep_tmp_file - tmp_hdl <- readIORef dep_tmp_hdl + makefile <- readIORef v_Dep_makefile + makefile_hdl <- readIORef v_Dep_makefile_hdl + tmp_file <- readIORef v_Dep_tmp_file + tmp_hdl <- readIORef v_Dep_tmp_hdl -- write the magic marker into the tmp file hPutStrLn tmp_hdl depEndMarker @@ -141,7 +139,7 @@ endMkDependHS = do 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 @@ -154,54 +152,28 @@ endMkDependHS = do 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 dep_dir_contents - ignore_dirs <- readIORef dep_ignore_dirs - hisuf <- readIORef hi_suf - - let - (imp_mod, is_source) = - case imp of - MINormal str -> (str, False) - MISource str -> (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 ++ "'"))