X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fmain%2FSysTools.lhs;h=738e63f4c7a852d79a108a4050908e5522a6abbc;hb=153b9cb9b11e05c4edb1b6bc0a7b972660e41f70;hp=ddbafe0bc4b9320c3961440c0c5dbe93439551f5;hpb=72f7be33c2925127f9c6692c3ca32db12ec46e5d;p=ghc-hetmet.git diff --git a/ghc/compiler/main/SysTools.lhs b/ghc/compiler/main/SysTools.lhs index ddbafe0..738e63f 100644 --- a/ghc/compiler/main/SysTools.lhs +++ b/ghc/compiler/main/SysTools.lhs @@ -27,7 +27,7 @@ module SysTools ( -- Command-line override setDryRun, - getTopDir, -- IO String -- The value of $libdir + getTopDir, -- IO String -- The value of $topdir getPackageConfigPath, -- IO String -- Where package.conf is getUsageMsgPaths, -- IO (String,String) @@ -69,8 +69,8 @@ import DriverPhases ( isHaskellUserSrcFilename ) import Config import Outputable import Panic ( GhcException(..) ) -import Util ( global, notNull, toArgs ) -import CmdLineOpts ( dynFlag, verbosity ) +import Util ( global, notNull ) +import CmdLineOpts ( DynFlags(..) ) import EXCEPTION ( throwDyn ) import DATA_IOREF ( IORef, readIORef, writeIORef ) @@ -84,8 +84,6 @@ import IO ( try, catch, import Directory ( doesFileExist, removeFile ) import List ( partition ) -#include "../includes/config.h" - -- GHC <= 4.08 didn't have rawSystem, and runs into problems with long command -- lines on mingw32, so we disallow it now. #if __GLASGOW_HASKELL__ < 500 @@ -106,8 +104,8 @@ import CString ( CString, peekCString ) #endif #if __GLASGOW_HASKELL__ < 603 -import Foreign ( withMany, withArray0, nullPtr, Ptr ) -import CForeign ( CString, withCString, throwErrnoIfMinus1 ) +-- rawSystem comes from libghccompat.a in stage1 +import Compat.RawSystem ( rawSystem ) #else import System.Cmd ( rawSystem ) #endif @@ -166,7 +164,7 @@ Package {name = "tools", import_dirs = [], source_dirs = [], library_dirs = [], hs_libraries = [], extra_libraries = [], include_dirs = [], c_includes = [], package_deps = [], - extra_ghc_opts = ["-pgmc/usr/bin/gcc","-pgml${libdir}/bin/unlit", ... etc.], + extra_ghc_opts = ["-pgmc/usr/bin/gcc","-pgml${topdir}/bin/unlit", ... etc.], extra_cc_opts = [], extra_ld_opts = []} Which would have the advantage that we get to collect together in one @@ -423,7 +421,7 @@ initSysTools minusB_args } #if defined(mingw32_HOST_OS) -foreign import stdcall "GetTempPathA" unsafe getTempPath :: Int -> CString -> IO Int32 +foreign import stdcall unsafe "GetTempPathA" getTempPath :: Int -> CString -> IO Int32 #endif \end{code} @@ -534,60 +532,71 @@ showOpt (Option s) = s \begin{code} -runUnlit :: [Option] -> IO () -runUnlit args = do p <- readIORef v_Pgm_L - runSomething "Literate pre-processor" p args - -runCpp :: [Option] -> IO () -runCpp args = do (p,baseArgs) <- readIORef v_Pgm_P - runSomething "C pre-processor" p (baseArgs ++ args) - -runPp :: [Option] -> IO () -runPp args = do p <- readIORef v_Pgm_F - runSomething "Haskell pre-processor" p args - -runCc :: [Option] -> IO () -runCc args = do (p,args0) <- readIORef v_Pgm_c - runSomething "C Compiler" p (args0++args) - -runMangle :: [Option] -> IO () -runMangle args = do (p,args0) <- readIORef v_Pgm_m - runSomething "Mangler" p (args0++args) - -runSplit :: [Option] -> IO () -runSplit args = do (p,args0) <- readIORef v_Pgm_s - runSomething "Splitter" p (args0++args) - -runAs :: [Option] -> IO () -runAs args = do (p,args0) <- readIORef v_Pgm_a - runSomething "Assembler" p (args0++args) - -runLink :: [Option] -> IO () -runLink args = do (p,args0) <- readIORef v_Pgm_l - runSomething "Linker" p (args0++args) +runUnlit :: DynFlags -> [Option] -> IO () +runUnlit dflags args = do + p <- readIORef v_Pgm_L + runSomething dflags "Literate pre-processor" p args + +runCpp :: DynFlags -> [Option] -> IO () +runCpp dflags args = do + (p,baseArgs) <- readIORef v_Pgm_P + runSomething dflags "C pre-processor" p (baseArgs ++ args) + +runPp :: DynFlags -> [Option] -> IO () +runPp dflags args = do + p <- readIORef v_Pgm_F + runSomething dflags "Haskell pre-processor" p args + +runCc :: DynFlags -> [Option] -> IO () +runCc dflags args = do + (p,args0) <- readIORef v_Pgm_c + runSomething dflags "C Compiler" p (args0++args) + +runMangle :: DynFlags -> [Option] -> IO () +runMangle dflags args = do + (p,args0) <- readIORef v_Pgm_m + runSomething dflags "Mangler" p (args0++args) + +runSplit :: DynFlags -> [Option] -> IO () +runSplit dflags args = do + (p,args0) <- readIORef v_Pgm_s + runSomething dflags "Splitter" p (args0++args) + +runAs :: DynFlags -> [Option] -> IO () +runAs dflags args = do + (p,args0) <- readIORef v_Pgm_a + runSomething dflags "Assembler" p (args0++args) + +runLink :: DynFlags -> [Option] -> IO () +runLink dflags args = do + (p,args0) <- readIORef v_Pgm_l + runSomething dflags "Linker" p (args0++args) #ifdef ILX -runIlx2il :: [Option] -> IO () -runIlx2il args = do p <- readIORef v_Pgm_I - runSomething "Ilx2Il" p args - -runIlasm :: [Option] -> IO () -runIlasm args = do p <- readIORef v_Pgm_i - runSomething "Ilasm" p args +runIlx2il :: DynFlags -> [Option] -> IO () +runIlx2il dflags args = do + p <- readIORef v_Pgm_I + runSomething dflags "Ilx2Il" p args + +runIlasm :: DynFlags -> [Option] -> IO () +runIlasm dflags args = do + p <- readIORef v_Pgm_i + runSomething dflags "Ilasm" p args #endif -runMkDLL :: [Option] -> IO () -runMkDLL args = do (p,args0) <- readIORef v_Pgm_MkDLL - runSomething "Make DLL" p (args0++args) +runMkDLL :: DynFlags -> [Option] -> IO () +runMkDLL dflags args = do + (p,args0) <- readIORef v_Pgm_MkDLL + runSomething dflags "Make DLL" p (args0++args) -touch :: String -> String -> IO () -touch purpose arg = do p <- readIORef v_Pgm_T - runSomething purpose p [FileOption "" arg] +touch :: DynFlags -> String -> String -> IO () +touch dflags purpose arg = do + p <- readIORef v_Pgm_T + runSomething dflags purpose p [FileOption "" arg] -copy :: String -> String -> String -> IO () -copy purpose from to = do - verb <- dynFlag verbosity - when (verb >= 2) $ hPutStrLn stderr ("*** " ++ purpose) +copy :: DynFlags -> String -> String -> String -> IO () +copy dflags purpose from to = do + when (verbosity dflags >= 2) $ hPutStrLn stderr ("*** " ++ purpose) h <- openFile to WriteMode ls <- readFile from -- inefficient, but it'll do for now. @@ -653,17 +662,17 @@ setTmpDir dir = writeIORef v_TmpDir (canonicalise dir) _ -> path #endif -cleanTempFiles :: Int -> IO () -cleanTempFiles verb +cleanTempFiles :: DynFlags -> IO () +cleanTempFiles dflags = do fs <- readIORef v_FilesToClean - removeTmpFiles verb fs + removeTmpFiles dflags fs writeIORef v_FilesToClean [] -cleanTempFilesExcept :: Int -> [FilePath] -> IO () -cleanTempFilesExcept verb dont_delete +cleanTempFilesExcept :: DynFlags -> [FilePath] -> IO () +cleanTempFilesExcept dflags dont_delete = do files <- readIORef v_FilesToClean let (to_keep, to_delete) = partition (`elem` dont_delete) files - removeTmpFiles verb to_delete + removeTmpFiles dflags to_delete writeIORef v_FilesToClean to_keep @@ -685,13 +694,15 @@ addFilesToClean :: [FilePath] -> IO () -- May include wildcards [used by DriverPipeline.run_phase SplitMangle] addFilesToClean files = mapM_ (add v_FilesToClean) files -removeTmpFiles :: Int -> [FilePath] -> IO () -removeTmpFiles verb fs +removeTmpFiles :: DynFlags -> [FilePath] -> IO () +removeTmpFiles dflags fs = warnNon $ - traceCmd "Deleting temp files" + traceCmd dflags "Deleting temp files" ("Deleting: " ++ unwords deletees) (mapM_ rm deletees) where + verb = verbosity dflags + -- Flat out refuse to delete files that are likely to be source input -- files (is there a worse bug than having a compiler delete your source -- files?) @@ -730,26 +741,36 @@ setDryRun = writeIORef v_Dry_run True ----------------------------------------------------------------------------- -- Running an external program -runSomething :: String -- For -v message +runSomething :: DynFlags + -> String -- For -v message -> String -- Command name (possibly a full path) -- assumed already dos-ified -> [Option] -- Arguments -- runSomething will dos-ify them -> IO () -runSomething phase_name pgm args = do +runSomething dflags phase_name pgm args = do let real_args = filter notNull (map showOpt args) - traceCmd phase_name (unwords (pgm:real_args)) $ do + traceCmd dflags phase_name (unwords (pgm:real_args)) $ do exit_code <- rawSystem pgm real_args - if (exit_code /= ExitSuccess) - then throwDyn (PhaseFailed phase_name exit_code) - else return () - -traceCmd :: String -> String -> IO () -> IO () + case exit_code of + ExitSuccess -> + return () + -- rawSystem returns (ExitFailure 127) if the exec failed for any + -- reason (eg. the program doesn't exist). This is the only clue + -- we have, but we need to report something to the user because in + -- the case of a missing program there will otherwise be no output + -- at all. + ExitFailure 127 -> + throwDyn (InstallationError ("could not execute: " ++ pgm)) + ExitFailure _other -> + throwDyn (PhaseFailed phase_name exit_code) + +traceCmd :: DynFlags -> String -> String -> IO () -> IO () -- a) trace the command (at two levels of verbosity) -- b) don't do it at all if dry-run is set -traceCmd phase_name cmd_line action - = do { verb <- dynFlag verbosity +traceCmd dflags phase_name cmd_line action + = do { let verb = verbosity dflags ; when (verb >= 2) $ hPutStrLn stderr ("*** " ++ phase_name) ; when (verb >= 3) $ hPutStrLn stderr cmd_line ; hFlush stderr @@ -765,75 +786,6 @@ traceCmd phase_name cmd_line action handle_exn verb exn = do { when (verb >= 2) (hPutStr stderr "\n") ; when (verb >= 3) (hPutStrLn stderr ("Failed: " ++ cmd_line ++ (show exn))) ; throwDyn (PhaseFailed phase_name (ExitFailure 1)) } - --- ----------------------------------------------------------------------------- --- rawSystem: run an external command --- --- In GHC 6.2.1 there's a correct implementation of rawSystem in the --- library System.Cmd. If we are compiling with an earlier version of --- GHC than this, we'd better have a copy of the correct implementation --- right here. - --- If you ever alter this code, you must alter --- libraries/base/System/Cmd.hs --- at the same time! There are also exensive comments in System.Cmd --- thare are not repeated here -- go look! - - -#if __GLASGOW_HASKELL__ < 603 - -rawSystem :: FilePath -> [String] -> IO ExitCode - -#ifndef mingw32_TARGET_OS - -rawSystem cmd args = - withCString cmd $ \pcmd -> - withMany withCString (cmd:args) $ \cstrs -> - withArray0 nullPtr cstrs $ \arr -> do - status <- throwErrnoIfMinus1 "rawSystem" (c_rawSystem pcmd arr) - case status of - 0 -> return ExitSuccess - n -> return (ExitFailure n) - -foreign import ccall "rawSystem" unsafe - c_rawSystem :: CString -> Ptr CString -> IO Int - -#else - --- On Windows, the command line is passed to the operating system as --- a single string. Command-line parsing is done by the executable --- itself. -rawSystem cmd args = do - -- NOTE: 'cmd' is assumed to contain the application to run _only_, - -- as it'll be surrounded in quotes here. - let cmdline = translate cmd ++ concat (map ((' ':) . translate) args) - withCString cmdline $ \pcmdline -> do - status <- throwErrnoIfMinus1 "rawSystem" (c_rawSystem pcmdline) - case status of - 0 -> return ExitSuccess - n -> return (ExitFailure n) - -translate :: String -> String -translate str = '"' : snd (foldr escape (True,"\"") str) - where escape '"' (b, str) = (True, '\\' : '"' : str) - escape '\\' (True, str) = (True, '\\' : '\\' : str) - escape '\\' (False, str) = (False, '\\' : str) - escape c (b, str) = (False, c : str) - -- This function attempts to invert the Microsoft C runtime's - -- quoting rules, which can be found here: - -- http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vccelng/htm/progs_12.asp - -- (if this URL stops working, you might be able to find it by - -- searching for "Parsing C Command-Line Arguments" on MSDN). - -- - -- The Bool passed back along the string is True iff the - -- rest of the string is a sequence of backslashes followed by - -- a double quote. - -foreign import ccall "rawSystem" unsafe - c_rawSystem :: CString -> IO Int - -#endif -#endif \end{code} @@ -917,14 +869,14 @@ getBaseDir = do let len = (2048::Int) -- plenty, PATH_MAX is 512 under Win32. where rootDir s = reverse (dropList "/bin/ghc.exe" (reverse (normalisePath s))) -foreign import stdcall "GetModuleFileNameA" unsafe +foreign import stdcall unsafe "GetModuleFileNameA" getModuleFileName :: Ptr () -> CString -> Int -> IO Int32 #else getBaseDir :: IO (Maybe String) = do return Nothing #endif #ifdef mingw32_HOST_OS -foreign import ccall "_getpid" unsafe getProcessID :: IO Int -- relies on Int == Int32 on Windows +foreign import ccall unsafe "_getpid" getProcessID :: IO Int -- relies on Int == Int32 on Windows #elif __GLASGOW_HASKELL__ > 504 getProcessID :: IO Int getProcessID = System.Posix.Internals.c_getpid >>= return . fromIntegral