X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fmain%2FMain.hs;h=c925edeab544019b8195e917615364b771faebfb;hb=f4a58991f551c1d91be720fe7ae30923afe8c210;hp=7300be020392183957133bbda213fd54d5f0ec77;hpb=bad73fe51fe3ab3bb3e2472a5f44ce2afcf216f8;p=ghc-hetmet.git diff --git a/ghc/compiler/main/Main.hs b/ghc/compiler/main/Main.hs index 7300be0..c925ede 100644 --- a/ghc/compiler/main/Main.hs +++ b/ghc/compiler/main/Main.hs @@ -1,6 +1,6 @@ -{-# OPTIONS -W -fno-warn-incomplete-patterns #-} +{-# OPTIONS -fno-warn-incomplete-patterns #-} ----------------------------------------------------------------------------- --- $Id: Main.hs,v 1.16 2000/10/31 11:16:30 simonmar Exp $ +-- $Id: Main.hs,v 1.39 2000/12/12 14:42:43 simonmar Exp $ -- -- GHC Driver program -- @@ -15,12 +15,24 @@ module Main (main) where #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 TmpFiles @@ -28,16 +40,13 @@ 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 @@ -55,6 +64,7 @@ import Maybe ----------------------------------------------------------------------------- -- ToDo: +-- -nohi doesn't work -- new mkdependHS doesn't support all the options that the old one did (-X et al.) -- time commands when run with -v -- split marker @@ -66,6 +76,7 @@ import Maybe -- reading the package configuration file is too slow -- -H, -K, -Rghc-timing -- hi-diffs +-- -ddump-all doesn't do anything ----------------------------------------------------------------------------- -- Differences vs. old driver: @@ -80,19 +91,22 @@ import Maybe -- Main loop main = + -- top-level exception handler: any unrecognised exception is a compiler bug. + handle (\exception -> hPutStr stderr (show (Panic (show exception)))) $ 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 -- 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 @@ -107,9 +121,6 @@ main = installHandler sigINT sig_handler Nothing #endif - pgm <- getProgName - writeIORef v_Prog_name pgm - argv <- getArgs -- grab any -B options from the command line first @@ -155,10 +166,6 @@ main = (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 [] @@ -185,12 +192,28 @@ main = 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" @@ -203,18 +226,26 @@ main = -- 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 - when verb (do hPutStr stderr "Glasgow Haskell Compiler, Version " - hPutStr stderr version_str - hPutStr stderr ", for Haskell 98, compiled by GHC version " - hPutStrLn stderr booter_version) + verb <- dynFlag verbosity - when verb (hPutStrLn stderr ("Using package config file: " ++ conf_file)) + 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 >= 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 @@ -224,21 +255,19 @@ main = 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 lang = hscLang init_dyn_flags + pipelines <- mapM (genPipeline mode stop_flag True lang) srcs let src_pipelines = zip srcs pipelines + -- sanity checking 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") + ohi <- readIORef v_Output_hi + if length srcs > 1 && (isJust ohi || (isJust o_file && mode /= DoLink)) + then throwDyn (UsageError "can't apply -o or -ohi options 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 v_Driver_state - let compileFile (src, phases) = do writeIORef v_Driver_state saved_driver_state writeIORef v_DynFlags init_dyn_flags @@ -260,12 +289,26 @@ setTopDir args = do some -> writeIORef v_TopDir (drop 2 (last some))) return others -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) --} - -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