{-# OPTIONS -W -fno-warn-incomplete-patterns #-}
-----------------------------------------------------------------------------
--- $Id: Main.hs,v 1.9 2000/10/26 14:38:42 simonmar Exp $
+-- $Id: Main.hs,v 1.16 2000/10/31 11:16:30 simonmar Exp $
--
-- GHC Driver program
--
#include "HsVersions.h"
+import CompManager
import DriverPipeline
import DriverState
import DriverFlags
import DriverMkDepend
import DriverUtil
+import DriverPhases ( Phase(..) )
+import CmdLineOpts ( HscLang(..), DynFlags(..), v_Static_hsc_opts )
import TmpFiles
+import Finder ( initFinder )
+import CmStaticInfo
import Config
import Util
import Panic
import System
import Maybe
+
-----------------------------------------------------------------------------
-- Changes:
) $ do
-- make sure we clean up after ourselves
- later (do forget_it <- readIORef keep_tmp_files
+ later (do forget_it <- readIORef v_Keep_tmp_files
unless forget_it $ do
- verb <- readIORef verbose
+ verb <- readIORef v_Verbose
cleanTempFiles verb
) $ do
-- exceptions will be blocked while we clean the temporary files,
#endif
pgm <- getProgName
- writeIORef prog_name pgm
+ writeIORef v_Prog_name pgm
argv <- getArgs
-- grab any -B options from the command line first
argv' <- setTopDir argv
- top_dir <- readIORef topDir
+ top_dir <- readIORef v_TopDir
- let installed s = top_dir ++ s
+ let installed s = top_dir ++ '/':s
inplace s = top_dir ++ '/':cCURRENT_DIR ++ '/':s
installed_pkgconfig = installed ("package.conf")
am_installed <- doesFileExist installed_pkgconfig
if am_installed
- then writeIORef path_package_config installed_pkgconfig
+ then writeIORef v_Path_package_config installed_pkgconfig
else do am_inplace <- doesFileExist inplace_pkgconfig
if am_inplace
- then writeIORef path_package_config inplace_pkgconfig
+ then writeIORef v_Path_package_config inplace_pkgconfig
else throwDyn (OtherError "can't find package.conf")
-- set the location of our various files
if am_installed
- then do writeIORef path_usage (installed "ghc-usage.txt")
- writeIORef pgm_L (installed "unlit")
- writeIORef pgm_m (installed "ghc-asm")
- writeIORef pgm_s (installed "ghc-split")
+ then do writeIORef v_Path_usage (installed "ghc-usage.txt")
+ writeIORef v_Pgm_L (installed "unlit")
+ writeIORef v_Pgm_m (installed "ghc-asm")
+ writeIORef v_Pgm_s (installed "ghc-split")
- else do writeIORef path_usage (inplace (cGHC_DRIVER_DIR ++ "/ghc-usage.txt"))
- writeIORef pgm_L (inplace cGHC_UNLIT)
- writeIORef pgm_m (inplace cGHC_MANGLER)
- writeIORef pgm_s (inplace cGHC_SPLIT)
+ else do writeIORef v_Path_usage (inplace (cGHC_DRIVER_DIR ++ "/ghc-usage.txt"))
+ writeIORef v_Pgm_L (inplace cGHC_UNLIT)
+ writeIORef v_Pgm_m (inplace cGHC_MANGLER)
+ writeIORef v_Pgm_s (inplace cGHC_SPLIT)
-- read the package configuration
- conf_file <- readIORef path_package_config
+ conf_file <- readIORef v_Path_package_config
contents <- readFile conf_file
- writeIORef package_details (read contents)
+ let pkg_details = read contents -- ToDo: faster
+ writeIORef v_Package_details 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
-- force lang to "C" if the -C flag was given
- case mode of StopBefore HCc -> writeIORef hsc_lang HscC
+ case mode of StopBefore HCc -> writeIORef v_Hsc_Lang HscC
_ -> return ()
-- process all the other arguments, and get the source files
-- find the build tag, and re-process the build-specific options
more_opts <- findBuildTag
- _ <- processArgs static_flags more_opts []
-
+ way_non_static <- processArgs static_flags more_opts []
+
-- give the static flags to hsc
static_opts <- buildStaticHscOpts
- writeIORef static_hsc_opts static_opts
+ writeIORef v_Static_hsc_opts static_opts
-- warnings
- warn_level <- readIORef warning_opt
- let warn_opts = case warn_level of
+ warn_level <- readIORef v_Warning_opt
+
+ let warn_opts = case warn_level of
W_default -> standardWarnings
W_ -> minusWOpts
W_all -> minusWallOpts
core_todo <- buildCoreToDo
stg_todo <- buildStgToDo
- lang <- readIORef hsc_lang
+ lang <- readIORef v_Hsc_Lang
writeIORef v_DynFlags
DynFlags{ coreToDo = core_todo,
stgToDo = stg_todo,
flags = [] }
-- the rest of the arguments are "dynamic"
- srcs <- processArgs dynamic_flags non_static []
+ srcs <- processArgs dynamic_flags (way_non_static ++
+ non_static ++ warn_opts) []
-- save the "initial DynFlags" away
- dyn_flags <- readIORef v_DynFlags
- writeIORef v_InitDynFlags
+ init_dyn_flags <- readIORef v_DynFlags
+ writeIORef v_InitDynFlags init_dyn_flags
-- complain about any unknown flags
- let unknown_flags = [ f | ('-':f) <- srcs ]
- mapM unknownFlagErr unknown_flags
+ mapM unknownFlagErr [ f | f@('-':_) <- srcs ]
-- get the -v flag
- verb <- readIORef verbose
+ verb <- readIORef v_Verbose
when verb (do hPutStr stderr "Glasgow Haskell Compiler, Version "
hPutStr stderr version_str
when verb (hPutStrLn stderr ("Using package config file: " ++ conf_file))
+ -- initialise the finder
+ initFinder pkg_details
+
-- mkdependHS is special
when (mode == DoMkDependHS) beginMkDependHS
- -- make is special
- when (mode == DoMake) beginMake
+ -- make/interactive require invoking the compilation manager
+ if (mode == DoMake) then beginMake srcs else do
+ if (mode == DoInteractive) then beginInteractive srcs else do
-- for each source file, find which phases to run
pipelines <- mapM (genPipeline mode stop_flag) srcs
let src_pipelines = zip srcs pipelines
- o_file <- readIORef output_file
+ o_file <- readIORef v_Output_file
if isJust o_file && mode /= DoLink && length srcs > 1
then throwDyn (UsageError "can't apply -o option to multiple source files")
else do
if null srcs then throwDyn (UsageError "no input files") else do
- -- save the flag state, because this could be modified by OPTIONS pragmas
- -- during the compilation, and we'll need to restore it before starting
- -- the next compilation.
- saved_driver_state <- readIORef driver_state
+ -- save the flag state, because this could be modified by OPTIONS
+ -- pragmas during the compilation, and we'll need to restore it
+ -- before starting the next compilation.
+ saved_driver_state <- readIORef v_Driver_state
let compileFile (src, phases) = do
+ writeIORef v_Driver_state saved_driver_state
+ writeIORef v_DynFlags init_dyn_flags
r <- runPipeline phases src (mode==DoLink) True
- writeIORef driver_state saved_driver_state
return r
o_files <- mapM compileFile src_pipelines
setTopDir args = do
let (minusbs, others) = partition (prefixMatch "-B") args
(case minusbs of
- [] -> writeIORef topDir clibdir
- some -> writeIORef topDir (drop 2 (last some)))
+ [] -> writeIORef v_TopDir clibdir
+ some -> writeIORef v_TopDir (drop 2 (last some)))
return others
-beginMake = panic "`ghc --make' unimplemented"
+beginMake [] = throwDyn (UsageError "no input files")
+beginMake (_:_:_) = throwDyn (UsageError "only one module allowed with --make")
+{-
+beginMake [mod] = do
+ state <- cmInit ""{-ToDo:remove-} pkg_details
+ cmLoadModule state (mkModuleName mod)
+-}
------------------------------------------------------------------------------
--- compatibility code
-
-#if __GLASGOW_HASKELL__ <= 408
-catchJust = catchIO
-ioErrors = justIoErrors
-throwTo = raiseInThread
-#endif
-
-#ifdef mingw32_TARGET_OS
-foreign import "_getpid" getProcessID :: IO Int
-#endif
+beginInteractive srcs = panic "`ghc --interactive' unimplemented"