{-# OPTIONS -W -fno-warn-incomplete-patterns #-}
-----------------------------------------------------------------------------
--- $Id: Main.hs,v 1.5 2000/10/11 16:26:04 simonmar Exp $
+-- $Id: Main.hs,v 1.11 2000/10/26 16:51:44 sewardj Exp $
--
-- GHC Driver program
--
import DriverFlags
import DriverMkDepend
import DriverUtil
+import DriverPhases ( Phase(..) )
+import CmdLineOpts ( HscLang(..), DynFlags(..), v_Static_hsc_opts )
import TmpFiles
import Config
import Util
import System
import Maybe
+import CompManager
+
-----------------------------------------------------------------------------
-- 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,
-- install signal handlers
main_thread <- myThreadId
-
#ifndef mingw32_TARGET_OS
let sig_handler = Catch (throwTo main_thread
(DynException (toDyn Interrupted)))
#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
inplace s = top_dir ++ '/':cCURRENT_DIR ++ '/':s
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)
+ writeIORef v_Package_details (read contents)
-- 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 v_Hsc_Lang HscC
+ _ -> return ()
+
-- process all the other arguments, and get the source files
non_static <- processArgs static_flags flags2 []
_ <- processArgs static_flags more_opts []
-- give the static flags to hsc
- build_hsc_opts
+ static_opts <- buildStaticHscOpts
+ writeIORef v_Static_hsc_opts static_opts
+
+ -- warnings
+ warn_level <- readIORef v_Warning_opt
+
+ let warn_opts = case warn_level of
+ W_default -> standardWarnings
+ W_ -> minusWOpts
+ W_all -> minusWallOpts
+ W_not -> []
+
+ -- build the default DynFlags (these may be adjusted on a per
+ -- module basis by OPTIONS pragmas and settings in the interpreter).
+
+ core_todo <- buildCoreToDo
+ stg_todo <- buildStgToDo
+
+ lang <- readIORef v_Hsc_Lang
+ writeIORef v_DynFlags
+ DynFlags{ coreToDo = core_todo,
+ stgToDo = stg_todo,
+ hscLang = lang,
+ -- leave out hscOutName for now
+ flags = [] }
-- the rest of the arguments are "dynamic"
srcs <- processArgs dynamic_flags non_static []
+ -- save the "initial DynFlags" away
+ dyn_flags <- readIORef v_DynFlags
+ writeIORef v_InitDynFlags dyn_flags
-- complain about any unknown flags
let unknown_flags = [ f | ('-':f) <- srcs ]
mapM unknownFlagErr unknown_flags
-- get the -v flag
- verb <- readIORef verbose
+ verb <- readIORef v_Verbose
when verb (do hPutStr stderr "Glasgow Haskell Compiler, Version "
hPutStr stderr version_str
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
-- 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
+ saved_driver_state <- readIORef v_Driver_state
let compileFile (src, phases) = do
r <- runPipeline phases src (mode==DoLink) True
- writeIORef driver_state saved_driver_state
+ writeIORef v_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"
projects / ghc-hetmet.git / blobdiff