-{-# OPTIONS -fno-warn-incomplete-patterns #-}
+{-# OPTIONS -fno-warn-incomplete-patterns -optc-DNON_POSIX_SOURCE #-}
+
-----------------------------------------------------------------------------
--- $Id: Main.hs,v 1.70 2001/06/14 12:50:06 simonpj Exp $
+-- $Id: Main.hs,v 1.105 2002/05/01 09:30:05 simonmar Exp $
--
-- GHC Driver program
--
--- (c) Simon Marlow 2000
+-- (c) The University of Glasgow 2002
--
-----------------------------------------------------------------------------
#ifdef GHCI
-import InteractiveUI(ghciWelcomeMsg, interactiveUI)
+import InteractiveUI
#endif
import Finder ( initFinder )
-import CompManager ( cmInit, cmLoadModule )
-import CmStaticInfo ( GhciMode(..), PackageConfig(..) )
+import CompManager ( cmInit, cmLoadModules, cmDepAnal )
+import HscTypes ( GhciMode(..) )
import Config ( cBooterVersion, cGhcUnregisterised, cProjectVersion )
-import SysTools ( packageConfigPath, initSysTools, cleanTempFiles )
-import ParsePkgConf ( parsePkgConf )
-
-import DriverPipeline ( GhcMode(..), doLink, doMkDLL, genPipeline,
- getGhcMode, pipeLoop, v_GhcMode
- )
-import DriverState ( buildCoreToDo, buildStgToDo, defaultHscLang,
- findBuildTag, getPackageInfo, unregFlags, v_Cmdline_libraries,
- v_Keep_tmp_files, v_Ld_inputs, v_OptLevel, v_Output_file,
- v_Output_hi, v_Package_details, v_Ways
+import SysTools ( getPackageConfigPath, initSysTools, cleanTempFiles )
+import Packages ( showPackages )
+
+import DriverPipeline ( doLink, doMkDLL, genPipeline, pipeLoop )
+import DriverState ( buildCoreToDo, buildStgToDo,
+ findBuildTag, getPackageInfo, unregFlags,
+ v_GhcMode, v_GhcModeFlag, GhcMode(..),
+ v_Cmdline_libraries, v_Keep_tmp_files, v_Ld_inputs,
+ v_OptLevel, v_Output_file, v_Output_hi,
+ v_Package_details, v_Ways, getPackageExtraGhcOpts,
+ readPackageConf, verifyOutputFiles
)
-import DriverFlags ( dynFlag, buildStaticHscOpts, dynamic_flags, processArgs, static_flags)
+import DriverFlags ( buildStaticHscOpts,
+ dynamic_flags, processArgs, static_flags)
import DriverMkDepend ( beginMkDependHS, endMkDependHS )
-import DriverPhases ( Phase(Hsc, HCc), haskellish_src_file, objish_file )
-
-import DriverUtil ( add, handle, handleDyn, later, splitFilename, unknownFlagErr, my_prefix_match )
-import CmdLineOpts ( dynFlag,
- DynFlags(verbosity, stgToDo, hscOutName, hscLang, coreToDo),
- HscLang(HscInterpreted, HscC),
- defaultDynFlags, restoreDynFlags, saveDynFlags, setDynFlags,
- v_Static_hsc_opts
+import DriverPhases ( Phase(HsPp, Hsc), haskellish_src_file, objish_file )
+
+import DriverUtil ( add, handle, handleDyn, later, splitFilename,
+ unknownFlagsErr, getFileSuffix )
+import CmdLineOpts ( dynFlag, restoreDynFlags,
+ saveDynFlags, setDynFlags, getDynFlags, dynFlag,
+ DynFlags(..), HscLang(..), v_Static_hsc_opts,
+ defaultHscLang
)
-
import Outputable
import Util
import Panic ( GhcException(..), panic )
-- Standard Haskell libraries
import IO
-import Concurrent ( myThreadId, throwTo )
import Directory ( doesFileExist )
import IOExts ( readIORef, writeIORef )
-import Exception ( throwTo, throwDyn, Exception(DynException) )
+import Exception ( throwDyn, Exception(..),
+ AsyncException(StackOverflow) )
import System ( getArgs, exitWith, ExitCode(..) )
-
-#ifndef mingw32_TARGET_OS
-import Posix ( Handler(Catch), installHandler, sigINT, sigQUIT )
-import Dynamic ( toDyn )
-#endif
-
import Monad
import List
import Maybe
+#ifndef mingw32_HOST_OS
+import Concurrent ( myThreadId )
+# if __GLASGOW_HASKELL__ < 500
+import Exception ( raiseInThread )
+#define throwTo raiseInThread
+# else
+import Exception ( throwTo )
+# endif
------------------------------------------------------------------------------
--- Changes:
-
--- * -fglasgow-exts NO LONGER IMPLIES -package lang!!! (-fglasgow-exts is a
--- dynamic flag whereas -package is a static flag.)
+import Posix ( Handler(Catch), installHandler, sigINT, sigQUIT )
+import Dynamic ( toDyn )
+#endif
-----------------------------------------------------------------------------
-- ToDo:
-- No more "Enter your Haskell program, end with ^D (on a line of its own):"
-- consistency checking removed (may do this properly later)
--- removed -noC
-- no -Ofile
-----------------------------------------------------------------------------
main =
-- top-level exception handler: any unrecognised exception is a compiler bug.
- handle (\exception -> do hPutStr stderr (show (Panic (show exception)))
- exitWith (ExitFailure 1)
+ handle (\exception -> do
+ hFlush stdout
+ case exception of
+ -- an IO exception probably isn't our fault, so don't panic
+ IOException _ -> hPutStr stderr (show exception)
+ AsyncException StackOverflow ->
+ hPutStrLn stderr "stack overflow: use +RTS -K<size> \
+ \to increase it"
+ _other -> hPutStr stderr (show (Panic (show exception)))
+ exitWith (ExitFailure 1)
) $ do
-- all error messages are propagated as exceptions
- handleDyn (\dyn -> case dyn of
- PhaseFailed _phase code -> exitWith code
- Interrupted -> exitWith (ExitFailure 1)
- _ -> do hPutStrLn stderr (show (dyn :: GhcException))
- exitWith (ExitFailure 1)
+ handleDyn (\dyn -> do
+ hFlush stdout
+ case dyn of
+ PhaseFailed _ code -> exitWith code
+ Interrupted -> exitWith (ExitFailure 1)
+ _ -> do hPutStrLn stderr (show (dyn :: GhcException))
+ exitWith (ExitFailure 1)
) $ do
-- make sure we clean up after ourselves
-- signals.
-- install signal handlers
+#ifndef mingw32_HOST_OS
main_thread <- myThreadId
-#ifndef mingw32_TARGET_OS
let sig_handler = Catch (throwTo main_thread
(DynException (toDyn Interrupted)))
installHandler sigQUIT sig_handler Nothing
installHandler sigINT sig_handler Nothing
#endif
- argv <- getArgs
-
- -- grab any -B options from the command line first
- let (top_dir, argv') = getTopDir argv
+ argv <- getArgs
+ let (minusB_args, argv') = partition (prefixMatch "-B") argv
+ top_dir <- initSysTools minusB_args
- initSysTools top_dir
-
- -- read the package configuration
- conf_file <- packageConfigPath
- r <- parsePkgConf conf_file
- case r of {
- Left err -> throwDyn (InstallationError (showSDoc err));
- Right pkg_details -> do
-
- writeIORef v_Package_details (mungePackagePaths top_dir pkg_details)
-
- -- find the phase to stop after (i.e. -E, -C, -c, -S flags)
- (flags2, mode, stop_flag) <- getGhcMode argv'
- writeIORef v_GhcMode mode
-
- -- Show the GHCi banner?
-# ifdef GHCI
- when (mode == DoInteractive) $
- hPutStrLn stdout ghciWelcomeMsg
-# endif
+ -- Read the package configuration
+ conf_file <- getPackageConfigPath
+ readPackageConf conf_file
-- process all the other arguments, and get the source files
- non_static <- processArgs static_flags flags2 []
+ non_static <- processArgs static_flags argv' []
+ mode <- readIORef v_GhcMode
+ stop_flag <- readIORef v_GhcModeFlag
-- -O and --interactive are not a good combination
-- ditto with any kind of way selection
do putStr "warning: -O conflicts with --interactive; -O turned off.\n"
writeIORef v_OptLevel 0
orig_ways <- readIORef v_Ways
- when (not (null orig_ways) && mode == DoInteractive) $
+ when (notNull orig_ways && mode == DoInteractive) $
do throwDyn (UsageError
"--interactive can't be used with -prof, -ticky, -unreg or -smp.")
way_opts <- findBuildTag
let unreg_opts | cGhcUnregisterised == "YES" = unregFlags
| otherwise = []
- way_non_static <- processArgs static_flags (unreg_opts ++ way_opts) []
+ pkg_extra_opts <- getPackageExtraGhcOpts
+ extra_non_static <- processArgs static_flags
+ (unreg_opts ++ way_opts ++ pkg_extra_opts) []
-- give the static flags to hsc
static_opts <- buildStaticHscOpts
-- set the "global" HscLang. The HscLang can be further adjusted on a module
-- by module basis, using only the -fvia-C and -fasm flags. If the global
-- HscLang is not HscC or HscAsm, -fvia-C and -fasm have no effect.
- opt_level <- readIORef v_OptLevel
-
-
+ dyn_flags <- getDynFlags
let lang = case mode of
- StopBefore HCc -> HscC
DoInteractive -> HscInterpreted
- _other | opt_level >= 1 -> HscC -- -O implies -fvia-C
- | otherwise -> defaultHscLang
-
- setDynFlags (defaultDynFlags{ coreToDo = core_todo,
- stgToDo = stg_todo,
- hscLang = lang,
- -- leave out hscOutName for now
- hscOutName = panic "Main.main:hscOutName not set",
+ _other -> hscLang dyn_flags
- verbosity = case mode of
- DoInteractive -> 1
- DoMake -> 1
- _other -> 0,
- })
+ setDynFlags (dyn_flags{ coreToDo = core_todo,
+ stgToDo = stg_todo,
+ hscLang = lang,
+ -- leave out hscOutName for now
+ hscOutName = panic "Main.main:hscOutName not set",
+ verbosity = 1
+ })
-- the rest of the arguments are "dynamic"
- srcs <- processArgs dynamic_flags (way_non_static ++ non_static) []
+ srcs <- processArgs dynamic_flags (extra_non_static ++ non_static) []
-- save the "initial DynFlags" away
saveDynFlags
- -- complain about any unknown flags
- mapM unknownFlagErr [ f | f@('-':_) <- srcs ]
-
+ -- perform some checks of the options set / report unknowns.
+ checkOptions srcs
+
verb <- dynFlag verbosity
+ -- Show the GHCi banner
+# ifdef GHCI
+ when (mode == DoInteractive && verb >= 1) $
+ hPutStrLn stdout ghciWelcomeMsg
+# endif
+
+ -- Display details of the configuration in verbose mode
when (verb >= 2)
(do hPutStr stderr "Glasgow Haskell Compiler, Version "
hPutStr stderr cProjectVersion
when (verb >= 2)
(hPutStrLn stderr ("Using package config file: " ++ conf_file))
+ pkg_details <- readIORef v_Package_details
+ showPackages pkg_details
+
when (verb >= 3)
(hPutStrLn stderr ("Hsc static flags: " ++ unwords static_opts))
-- -ohi sanity checking
ohi <- readIORef v_Output_hi
if (isJust ohi &&
- (mode == DoMake || mode == DoInteractive || length srcs > 1))
+ (mode == DoMake || mode == DoInteractive || srcs `lengthExceeds` 1))
then throwDyn (UsageError "-ohi can only be used when compiling a single source file")
else do
-- -o sanity checking
o_file <- readIORef v_Output_file
- if (length srcs > 1 && isJust o_file && mode /= DoLink && mode /= DoMkDLL)
+ if (srcs `lengthExceeds` 1 && isJust o_file && mode /= DoLink && mode /= DoMkDLL)
then throwDyn (UsageError "can't apply -o to multiple source files")
else do
let (basename, suffix) = splitFilename src
-- just preprocess (Haskell source only)
- pp <- if not (haskellish_src_file src) || mode == StopBefore Hsc
- then return src else do
+ let src_and_suff = (src, getFileSuffix src)
+ let not_hs_file = not (haskellish_src_file src)
+ pp <- if not_hs_file || mode == StopBefore Hsc || mode == StopBefore HsPp
+ then return src_and_suff else do
+-- hPutStrLn stderr "before" >> hFlush stderr
phases <- genPipeline (StopBefore Hsc) stop_flag
- False{-not persistent-} defaultHscLang src
- pipeLoop phases src False{-no linking-} False{-no -o flag-}
+ False{-not persistent-} defaultHscLang
+ src_and_suff
+-- hPutStrLn stderr "after" >> hFlush stderr
+ pipeLoop phases src_and_suff False{-no linking-} False{-no -o flag-}
basename suffix
-- rest of compilation
hsc_lang <- dynFlag hscLang
- phases <- genPipeline mode stop_flag True hsc_lang pp
- r <- pipeLoop phases pp (mode==DoLink || mode==DoMkDLL) True{-use -o flag-}
- basename suffix
+-- hPutStrLn stderr ("before-1 " ++ show (pp,mode)) >> hFlush stderr
+ phases <- genPipeline mode stop_flag True hsc_lang pp
+-- hPutStrLn stderr "after" >> hFlush stderr
+ (r,_) <- pipeLoop phases pp (mode==DoLink || mode==DoMkDLL)
+ True{-use -o flag-} basename suffix
return r
o_files <- mapM compileFile srcs
when (mode == DoMkDependHS) endMkDependHS
when (mode == DoLink) (doLink o_files)
when (mode == DoMkDLL) (doMkDLL o_files)
- }
-
- -- grab the last -B option on the command line, and
- -- set topDir to its value.
-getTopDir :: [String] -> (String, [String])
-getTopDir args
- | null minusbs = throwDyn (InstallationError ("missing -B<dir> option"))
- | otherwise = (drop 2 (last minusbs), others)
- where
- (minusbs, others) = partition (prefixMatch "-B") args
-
-
--- replace the string "$libdir" at the beginning of a path with the
--- current libdir (obtained from the -B option).
-mungePackagePaths top_dir ps = map munge_pkg ps
- where
- munge_pkg p = p{ import_dirs = munge_paths (import_dirs p),
- include_dirs = munge_paths (include_dirs p),
- library_dirs = munge_paths (library_dirs p) }
- munge_paths = map munge_path
-
- munge_path p
- | Just p' <- my_prefix_match "$libdir" p = top_dir ++ p'
- | otherwise = trace ("not: " ++ p) p
beginMake :: [String] -> IO ()
case mods of
[] -> throwDyn (UsageError "no input files")
- [mod] -> do state <- cmInit Batch
- cmLoadModule state mod
+ _ -> do dflags <- getDynFlags
+ state <- cmInit Batch
+ graph <- cmDepAnal state dflags mods
+ (_, ok, _) <- cmLoadModules state dflags graph
+ when (not ok) (exitWith (ExitFailure 1))
return ()
- _ -> throwDyn (UsageError "only one module allowed with --make")
beginInteractive :: [String] -> IO ()
= do minus_ls <- readIORef v_Cmdline_libraries
let (objs, mods) = partition objish_file fileish_args
- libs = map Left objs ++ map Right minus_ls
+ libs = map Object objs ++ map DLL minus_ls
state <- cmInit Interactive
- case mods of
- [] -> interactiveUI state Nothing libs
- [mod] -> interactiveUI state (Just mod) libs
- _ -> throwDyn (UsageError
- "only one module allowed with --interactive")
+ interactiveUI state mods libs
#endif
+
+checkOptions :: [String] -> IO ()
+checkOptions srcs = do
+ -- complain about any unknown flags
+ let unknown_opts = [ f | f@('-':_) <- srcs ]
+ when (notNull unknown_opts) (unknownFlagsErr unknown_opts)
+ -- verify that output files point somewhere sensible.
+ verifyOutputFiles
+ -- and anything else that it might be worth checking for
+ -- before kicking of a compilation (pipeline).
+
projects / ghc-hetmet.git / blobdiff