-{-# 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 1.91 2001/11/03 01:30:42 sof Exp $
--
-- GHC Driver program
--
import Finder ( initFinder )
import CompManager ( cmInit, cmLoadModule )
-import CmStaticInfo ( GhciMode(..), PackageConfig(..) )
+import HscTypes ( GhciMode(..) )
import Config ( cBooterVersion, cGhcUnregisterised, cProjectVersion )
-import SysTools ( packageConfigPath, initSysTools, cleanTempFiles )
-import ParsePkgConf ( parsePkgConf )
+import SysTools ( getPackageConfigPath, initSysTools, cleanTempFiles )
+import Packages ( showPackages )
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
+ 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, getPackageExtraGhcOpts,
+ readPackageConf
)
-import DriverFlags ( dynFlag, buildStaticHscOpts, dynamic_flags, processArgs, static_flags)
+import DriverFlags ( dynFlag, 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, HCc), haskellish_src_file, objish_file )
+
+import DriverUtil ( add, handle, handleDyn, later, splitFilename,
+ unknownFlagErr, getFileSuffix )
+import CmdLineOpts ( dynFlag, defaultDynFlags, restoreDynFlags,
+ saveDynFlags, setDynFlags,
+ DynFlags(..), HscLang(..), v_Static_hsc_opts
)
import Outputable
-- 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(..) )
import System ( getArgs, exitWith, ExitCode(..) )
+import Monad
+import List
+import Maybe
#ifndef mingw32_TARGET_OS
+import Concurrent ( myThreadId )
+#if __GLASGOW_HASKELL__ < 500
+import Exception ( raiseInThread )
+#define throwTo raiseInThread
+#else
+import Exception ( throwTo )
+#endif
+
import Posix ( Handler(Catch), installHandler, sigINT, sigQUIT )
import Dynamic ( toDyn )
#endif
-import Monad
-import List
-import Maybe
-
-----------------------------------------------------------------------------
-- Changes:
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)
+ _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 _phase 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
- main_thread <- myThreadId
#ifndef mingw32_TARGET_OS
+ main_thread <- myThreadId
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
-
- initSysTools top_dir
+ argv <- getArgs
+ let (minusB_args, argv') = partition (prefixMatch "-B") argv
+ top_dir <- initSysTools minusB_args
- -- 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)
+ -- Read the package configuration
+ conf_file <- getPackageConfigPath
+ readPackageConf conf_file
-- 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
-
-- process all the other arguments, and get the source files
non_static <- processArgs static_flags flags2 []
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
-- leave out hscOutName for now
hscOutName = panic "Main.main:hscOutName not set",
- verbosity = case mode of
- DoInteractive -> 1
- DoMake -> 1
- _other -> 0,
+ 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
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
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
+ 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
+ phases <- genPipeline mode stop_flag True hsc_lang pp
+ (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 ()
beginMake fileish_args
case mods of
[] -> throwDyn (UsageError "no input files")
- [mod] -> do state <- cmInit Batch
- cmLoadModule state mod
+ mod -> do state <- cmInit Batch
+ (_, ok, _) <- cmLoadModule state mods
+ when (not ok) (exitWith (ExitFailure 1))
return ()
- _ -> throwDyn (UsageError "only one module allowed with --make")
beginInteractive :: [String] -> IO ()
libs = map Left objs ++ map Right 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
projects / ghc-hetmet.git / blobdiff