-- Initialisation
initSysTools,
- setPgmL, -- String -> IO ()
- setPgmP,
- setPgmF,
- setPgmc,
- setPgmm,
- setPgms,
- setPgma,
- setPgml,
- setPgmDLL,
-#ifdef ILX
- setPgmI,
- setPgmi,
-#endif
- -- Command-line override
- setDryRun,
-
- getTopDir, -- IO String -- The value of $libdir
+ getTopDir, -- IO String -- The value of $topdir
getPackageConfigPath, -- IO String -- Where package.conf is
getUsageMsgPaths, -- IO (String,String)
runMangle, runSplit, -- [Option] -> IO ()
runAs, runLink, -- [Option] -> IO ()
runMkDLL,
-#ifdef ILX
- runIlx2il, runIlasm, -- [String] -> IO ()
-#endif
-
touch, -- String -> String -> IO ()
copy, -- String -> String -> String -> IO ()
#include "HsVersions.h"
-import DriverUtil
import DriverPhases ( isHaskellUserSrcFilename )
import Config
import Outputable
import Panic ( GhcException(..) )
-import Util ( global, notNull, toArgs )
-import CmdLineOpts ( dynFlag, verbosity )
+import Util ( Suffix, global, notNull, consIORef )
+import DynFlags ( DynFlags(..), DynFlag(..), dopt, Option(..) )
import EXCEPTION ( throwDyn )
import DATA_IOREF ( IORef, readIORef, writeIORef )
import Directory ( doesFileExist, removeFile )
import List ( partition )
-#include "../includes/config.h"
-
-- GHC <= 4.08 didn't have rawSystem, and runs into problems with long command
-- lines on mingw32, so we disallow it now.
#if __GLASGOW_HASKELL__ < 500
#endif
#if __GLASGOW_HASKELL__ < 603
-import Foreign ( withMany, withArray0, nullPtr, Ptr )
-import CForeign ( CString, withCString, throwErrnoIfMinus1 )
+-- rawSystem comes from libghccompat.a in stage1
+import Compat.RawSystem ( rawSystem )
#else
import System.Cmd ( rawSystem )
#endif
{name = "tools", import_dirs = [], source_dirs = [],
library_dirs = [], hs_libraries = [], extra_libraries = [],
include_dirs = [], c_includes = [], package_deps = [],
- extra_ghc_opts = ["-pgmc/usr/bin/gcc","-pgml${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
(See remarks under pathnames below)
\begin{code}
-GLOBAL_VAR(v_Pgm_L, error "pgm_L", String) -- unlit
-GLOBAL_VAR(v_Pgm_P, error "pgm_P", (String,[Option])) -- cpp
-GLOBAL_VAR(v_Pgm_F, error "pgm_F", String) -- pp
-GLOBAL_VAR(v_Pgm_c, error "pgm_c", (String,[Option])) -- gcc
-GLOBAL_VAR(v_Pgm_m, error "pgm_m", (String,[Option])) -- asm code mangler
-GLOBAL_VAR(v_Pgm_s, error "pgm_s", (String,[Option])) -- asm code splitter
-GLOBAL_VAR(v_Pgm_a, error "pgm_a", (String,[Option])) -- as
-#ifdef ILX
-GLOBAL_VAR(v_Pgm_I, error "pgm_I", String) -- ilx2il
-GLOBAL_VAR(v_Pgm_i, error "pgm_i", String) -- ilasm
-#endif
-GLOBAL_VAR(v_Pgm_l, error "pgm_l", (String,[Option])) -- ld
-GLOBAL_VAR(v_Pgm_MkDLL, error "pgm_dll", (String,[Option])) -- mkdll
-
GLOBAL_VAR(v_Pgm_T, error "pgm_T", String) -- touch
GLOBAL_VAR(v_Pgm_CP, error "pgm_CP", String) -- cp
\begin{code}
initSysTools :: [String] -- Command-line arguments starting "-B"
- -> IO () -- Set all the mutable variables above, holding
+ -> DynFlags
+ -> IO DynFlags -- Set all the mutable variables above, holding
-- (a) the system programs
-- (b) the package-config file
-- (c) the GHC usage message
-initSysTools minusB_args
+initSysTools minusB_args dflags
= do { (am_installed, top_dir) <- findTopDir minusB_args
; writeIORef v_TopDir top_dir
-- top_dir
; let (as_prog,as_args) = (gcc_prog,gcc_args)
(ld_prog,ld_args) = (gcc_prog,gcc_args)
-#ifdef ILX
- -- ilx2il and ilasm are specified in Config.hs
- ; let ilx2il_path = cILX2IL
- ilasm_path = cILASM
-#endif
-
-- Initialise the global vars
; writeIORef v_Path_package_config pkgconfig_path
; writeIORef v_Path_usages (ghc_usage_msg_path,
-- Hans: this isn't right in general, but you can
-- elaborate it in the same way as the others
- ; writeIORef v_Pgm_L unlit_path
- ; writeIORef v_Pgm_P cpp_path
- ; writeIORef v_Pgm_F ""
- ; writeIORef v_Pgm_c (gcc_prog,gcc_args)
- ; writeIORef v_Pgm_m (mangle_prog,mangle_args)
- ; writeIORef v_Pgm_s (split_prog,split_args)
- ; writeIORef v_Pgm_a (as_prog,as_args)
-#ifdef ILX
- ; writeIORef v_Pgm_I ilx2il_path
- ; writeIORef v_Pgm_i ilasm_path
-#endif
- ; writeIORef v_Pgm_l (ld_prog,ld_args)
- ; writeIORef v_Pgm_MkDLL (mkdll_prog,mkdll_args)
; writeIORef v_Pgm_T touch_path
; writeIORef v_Pgm_CP cp_path
- ; return ()
+ ; return dflags{
+ pgm_L = unlit_path,
+ pgm_P = cpp_path,
+ pgm_F = "",
+ pgm_c = (gcc_prog,gcc_args),
+ pgm_m = (mangle_prog,mangle_args),
+ pgm_s = (split_prog,split_args),
+ pgm_a = (as_prog,as_args),
+ pgm_l = (ld_prog,ld_args),
+ pgm_dll = (mkdll_prog,mkdll_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}
-The various setPgm functions are called when a command-line option
-like
-
- -pgmLld
-
-is used to override a particular program with a new one
-
-\begin{code}
-setPgmL = writeIORef v_Pgm_L
--- XXX HACK: Prelude> words "'does not' work" ===> ["'does","not'","work"]
--- Config.hs should really use Option.
-setPgmP arg = let (pgm:args) = words arg in writeIORef v_Pgm_P (pgm,map Option args)
-setPgmF = writeIORef v_Pgm_F
-setPgmc prog = writeIORef v_Pgm_c (prog,[])
-setPgmm prog = writeIORef v_Pgm_m (prog,[])
-setPgms prog = writeIORef v_Pgm_s (prog,[])
-setPgma prog = writeIORef v_Pgm_a (prog,[])
-setPgml prog = writeIORef v_Pgm_l (prog,[])
-setPgmDLL prog = writeIORef v_Pgm_MkDLL (prog,[])
-#ifdef ILX
-setPgmI = writeIORef v_Pgm_I
-setPgmi = writeIORef v_Pgm_i
-#endif
-\end{code}
-
-
\begin{code}
-- Find TopDir
-- for "installed" this is the root of GHC's support files
%************************************************************************
%* *
-\subsection{Command-line options}
-n%* *
-%************************************************************************
-
-When invoking external tools as part of the compilation pipeline, we
-pass these a sequence of options on the command-line. Rather than
-just using a list of Strings, we use a type that allows us to distinguish
-between filepaths and 'other stuff'. [The reason being, of course, that
-this type gives us a handle on transforming filenames, and filenames only,
-to whatever format they're expected to be on a particular platform.]
-
-\begin{code}
-data Option
- = FileOption -- an entry that _contains_ filename(s) / filepaths.
- String -- a non-filepath prefix that shouldn't be transformed (e.g., "/out="
- String -- the filepath/filename portion
- | Option String
-
-showOpt (FileOption pre f) = pre ++ platformPath f
-showOpt (Option "") = ""
-showOpt (Option s) = s
-
-\end{code}
-
-
-%************************************************************************
-%* *
\subsection{Running an external program}
%* *
%************************************************************************
\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)
-
-#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
-#endif
-
-runMkDLL :: [Option] -> IO ()
-runMkDLL args = do (p,args0) <- readIORef v_Pgm_MkDLL
- runSomething "Make DLL" p (args0++args)
-
-touch :: String -> String -> IO ()
-touch purpose arg = do p <- readIORef v_Pgm_T
- runSomething purpose p [FileOption "" arg]
-
-copy :: String -> String -> String -> IO ()
-copy purpose from to = do
- verb <- dynFlag verbosity
- when (verb >= 2) $ hPutStrLn stderr ("*** " ++ purpose)
+runUnlit :: DynFlags -> [Option] -> IO ()
+runUnlit dflags args = do
+ let p = pgm_L dflags
+ runSomething dflags "Literate pre-processor" p args
+
+runCpp :: DynFlags -> [Option] -> IO ()
+runCpp dflags args = do
+ let (p,args0) = pgm_P dflags
+ runSomething dflags "C pre-processor" p (args0 ++ args)
+
+runPp :: DynFlags -> [Option] -> IO ()
+runPp dflags args = do
+ let p = pgm_F dflags
+ runSomething dflags "Haskell pre-processor" p args
+
+runCc :: DynFlags -> [Option] -> IO ()
+runCc dflags args = do
+ let (p,args0) = pgm_c dflags
+ runSomething dflags "C Compiler" p (args0++args)
+
+runMangle :: DynFlags -> [Option] -> IO ()
+runMangle dflags args = do
+ let (p,args0) = pgm_m dflags
+ runSomething dflags "Mangler" p (args0++args)
+
+runSplit :: DynFlags -> [Option] -> IO ()
+runSplit dflags args = do
+ let (p,args0) = pgm_s dflags
+ runSomething dflags "Splitter" p (args0++args)
+
+runAs :: DynFlags -> [Option] -> IO ()
+runAs dflags args = do
+ let (p,args0) = pgm_a dflags
+ runSomething dflags "Assembler" p (args0++args)
+
+runLink :: DynFlags -> [Option] -> IO ()
+runLink dflags args = do
+ let (p,args0) = pgm_l dflags
+ runSomething dflags "Linker" p (args0++args)
+
+runMkDLL :: DynFlags -> [Option] -> IO ()
+runMkDLL dflags args = do
+ let (p,args0) = pgm_dll dflags
+ runSomething dflags "Make DLL" p (args0++args)
+
+touch :: DynFlags -> String -> String -> IO ()
+touch dflags purpose arg = do
+ p <- readIORef v_Pgm_T
+ runSomething dflags purpose p [FileOption "" arg]
+
+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.
-- ToDo: speed up via slurping.
hPutStr h ls
hClose h
+
\end{code}
\begin{code}
_ -> 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
= do let filename = tmp_dir ++ "/ghc" ++ show x ++ '.':extn
b <- doesFileExist filename
if b then findTempName tmp_dir (x+1)
- else do add v_FilesToClean filename -- clean it up later
+ else do consIORef v_FilesToClean filename -- clean it up later
return filename
addFilesToClean :: [FilePath] -> IO ()
-- May include wildcards [used by DriverPipeline.run_phase SplitMangle]
-addFilesToClean files = mapM_ (add v_FilesToClean) files
+addFilesToClean files = mapM_ (consIORef 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?)
hPutStrLn stderr ("Warning: deleting non-existent " ++ f)
)
-\end{code}
-
-
-%************************************************************************
-%* *
-\subsection{Running a program}
-%* *
-%************************************************************************
-
-\begin{code}
-GLOBAL_VAR(v_Dry_run, False, Bool)
-
-setDryRun :: IO ()
-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 ()
+ 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)
+
+showOpt (FileOption pre f) = pre ++ platformPath f
+showOpt (Option "") = ""
+showOpt (Option s) = s
-traceCmd :: String -> String -> IO () -> IO ()
+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
-- Test for -n flag
- ; n <- readIORef v_Dry_run
- ; unless n $ do {
+ ; unless (dopt Opt_DryRun dflags) $ do {
-- And run it!
; action `IO.catch` handle_exn verb
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}
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
projects / ghc-hetmet.git / blobdiff