-{-# OPTIONS -W -fno-warn-incomplete-patterns #-}
+{-# OPTIONS -fno-warn-incomplete-patterns #-}
-----------------------------------------------------------------------------
--- $Id: Main.hs,v 1.20 2000/11/13 12:43:20 sewardj Exp $
+-- $Id: Main.hs,v 1.41 2000/12/20 10:33:25 simonmar Exp $
--
-- GHC Driver program
--
#include "HsVersions.h"
+
+#ifdef GHCI
+import Interpreter
+import InteractiveUI
+#endif
+
+#ifndef mingw32_TARGET_OS
+import Dynamic
+import Posix
+#endif
+
import CompManager
import DriverPipeline
import DriverState
import DriverFlags
import DriverMkDepend
import DriverUtil
+import Panic
import DriverPhases ( Phase(..) )
import CmdLineOpts ( HscLang(..), DynFlags(..), v_Static_hsc_opts )
-import Module ( mkModuleName )
import TmpFiles
import Finder ( initFinder )
import CmStaticInfo
import Config
import Util
-import Panic
+
+
import Concurrent
-#ifndef mingw32_TARGET_OS
-import Posix
-#endif
import Directory
import IOExts
import Exception
-import Dynamic
import IO
import Monad
-- reading the package configuration file is too slow
-- -H, -K, -Rghc-timing
-- hi-diffs
+-- -ddump-all doesn't do anything
-----------------------------------------------------------------------------
-- Differences vs. old driver:
-- 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 hi diffs (could be added later)
-- no -Ofile
-----------------------------------------------------------------------------
-- Main loop
main =
+ -- top-level exception handler: any unrecognised exception is a compiler bug.
+ handle (\exception -> do 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 :: BarfKind))
+ _ -> do hPutStrLn stderr (show (dyn :: GhcException))
exitWith (ExitFailure 1)
- ) $ do
+ ) $ do
-- make sure we clean up after ourselves
later (do forget_it <- readIORef v_Keep_tmp_files
unless forget_it $ do
- verb <- readIORef v_Verbose
- cleanTempFiles verb
+ verb <- dynFlag verbosity
+ cleanTempFiles (verb >= 2)
) $ do
-- exceptions will be blocked while we clean the temporary files,
-- so there shouldn't be any difficulty if we receive further
installHandler sigINT sig_handler Nothing
#endif
- pgm <- getProgName
- writeIORef v_Prog_name pgm
-
argv <- getArgs
-- grab any -B options from the command line first
(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 []
core_todo <- buildCoreToDo
stg_todo <- buildStgToDo
- lang <- readIORef v_Hsc_Lang
+ -- 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
+ let lang = case mode of
+ StopBefore HCc -> HscC
+ DoInteractive -> HscInterpreted
+ _other | opt_level >= 1 -> HscC -- -O implies -fvia-C
+ | otherwise -> defaultHscLang
+
writeIORef v_DynFlags
DynFlags{ coreToDo = core_todo,
stgToDo = stg_todo,
hscLang = lang,
-- leave out hscOutName for now
+ hscOutName = panic "Main.main:hscOutName not set",
+
+ verbosity = case mode of
+ DoInteractive -> 1
+ DoMake -> 1
+ _other -> 0,
+
flags = [] }
-- the rest of the arguments are "dynamic"
-- complain about any unknown flags
mapM unknownFlagErr [ f | f@('-':_) <- srcs ]
- -- get the -v flag
- verb <- readIORef v_Verbose
+ -- 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
+ writeIORef v_InitDriverState saved_driver_state
+
+ verb <- dynFlag verbosity
- when verb (do hPutStr stderr "Glasgow Haskell Compiler, Version "
- hPutStr stderr cProjectVersion
- hPutStr stderr ", for Haskell 98, compiled by GHC version "
- hPutStrLn stderr cBooterVersion)
+ when (verb >= 2)
+ (do hPutStr stderr "Glasgow Haskell Compiler, Version "
+ hPutStr stderr cProjectVersion
+ hPutStr stderr ", for Haskell 98, compiled by GHC version "
+ hPutStrLn stderr cBooterVersion)
- when verb (hPutStrLn stderr ("Using package config file: " ++ conf_file))
+ when (verb >= 2)
+ (hPutStrLn stderr ("Using package config file: " ++ conf_file))
-- initialise the finder
- initFinder pkg_details
+ pkg_avails <- getPackageInfo
+ initFinder pkg_avails
-- mkdependHS is special
when (mode == DoMkDependHS) beginMkDependHS
-- make/interactive require invoking the compilation manager
- if (mode == DoMake) then beginMake pkg_details srcs else do
- if (mode == DoInteractive) then beginInteractive srcs else do
+ 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 True) srcs
+ let lang = hscLang init_dyn_flags
+ pipelines <- mapM (genPipeline mode stop_flag True lang) srcs
let src_pipelines = zip srcs pipelines
-- sanity checking
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 v_Driver_state
-
let compileFile (src, phases) = do
writeIORef v_Driver_state saved_driver_state
writeIORef v_DynFlags init_dyn_flags
some -> writeIORef v_TopDir (drop 2 (last some)))
return others
-beginMake :: PackageConfigInfo -> [String] -> IO ()
-beginMake pkg_details mods
- | null mods
- = throwDyn (UsageError "no input files")
- | not (null (tail mods))
- = throwDyn (UsageError "only one module allowed with --make")
- | otherwise
- = do state <- cmInit pkg_details
- cmLoadModule state (mkModuleName (head mods))
- return ()
-
-beginInteractive srcs = panic "`ghc --interactive' unimplemented"
+beginMake :: [String] -> IO ()
+beginMake mods
+ = do case mods of
+ [] -> throwDyn (UsageError "no input files")
+ [mod] -> do state <- cmInit Batch
+ cmLoadModule state mod
+ return ()
+ _ -> throwDyn (UsageError "only one module allowed with --make")
+
+
+beginInteractive :: [String] -> IO ()
+#ifndef GHCI
+beginInteractive = throwDyn (OtherError "not build for interactive use")
+#else
+beginInteractive mods
+ = do state <- cmInit Interactive
+ let mod = case mods of
+ [] -> Nothing
+ [mod] -> Just mod
+ _ -> throwDyn (UsageError
+ "only one module allowed with --interactive")
+ interactiveUI state mod
+#endif
projects / ghc-hetmet.git / blobdiff