X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fmain%2FMain.hs;h=a295b31a1a5725986d37b80a6dde664bcf953c25;hb=153b9cb9b11e05c4edb1b6bc0a7b972660e41f70;hp=63c5e5f0d23aeb80ab5c71a677e3c9b6701c61e7;hpb=948e7f388748078a8d9a324b284da7c4029f7060;p=ghc-hetmet.git diff --git a/ghc/compiler/main/Main.hs b/ghc/compiler/main/Main.hs index 63c5e5f..a295b31 100644 --- a/ghc/compiler/main/Main.hs +++ b/ghc/compiler/main/Main.hs @@ -1,7 +1,7 @@ {-# OPTIONS -fno-warn-incomplete-patterns -optc-DNON_POSIX_SOURCE #-} ----------------------------------------------------------------------------- --- $Id: Main.hs,v 1.135 2003/10/22 14:31:10 simonmar Exp $ +-- $Id: Main.hs,v 1.144 2005/01/28 12:55:38 simonmar Exp $ -- -- GHC Driver program -- @@ -9,14 +9,10 @@ -- ----------------------------------------------------------------------------- --- with path so that ghc -M can find config.h -#include "../includes/config.h" - module Main (main) where #include "HsVersions.h" - #ifdef GHCI import InteractiveUI( ghciWelcomeMsg, interactiveUI ) #endif @@ -25,32 +21,25 @@ import InteractiveUI( ghciWelcomeMsg, interactiveUI ) import CompManager ( cmInit, cmLoadModules, cmDepAnal ) import HscTypes ( GhciMode(..) ) import Config ( cBooterVersion, cGhcUnregisterised, cProjectVersion ) -import SysTools ( getPackageConfigPath, initSysTools, cleanTempFiles, - normalisePath ) -import Packages ( showPackages, getPackageConfigMap, basePackage, - haskell98Package - ) -import DriverPipeline ( staticLink, doMkDLL, runPipeline ) -import DriverState ( buildStgToDo, - findBuildTag, - getPackageExtraGhcOpts, unregFlags, +import SysTools ( initSysTools, cleanTempFiles, normalisePath ) +import Packages ( dumpPackages, initPackages, haskell98PackageId, PackageIdH(..) ) +import DriverPipeline ( staticLink, doMkDLL, compileFile ) +import DriverState ( isLinkMode, isMakeMode, isInteractiveMode, + isCompManagerMode, isInterpretiveMode, + buildStgToDo, findBuildTag, unregFlags, v_GhcMode, v_GhcModeFlag, GhcMode(..), v_Keep_tmp_files, v_Ld_inputs, v_Ways, v_Output_file, v_Output_hi, - readPackageConf, verifyOutputFiles, v_NoLink, - v_Build_tag + verifyOutputFiles, v_NoLink ) -import DriverFlags ( buildStaticHscOpts, - dynamic_flags, processArgs, static_flags) +import DriverFlags -import DriverMkDepend ( beginMkDependHS, endMkDependHS ) +import DriverMkDepend ( doMkDependHS ) import DriverPhases ( isSourceFilename ) import DriverUtil ( add, handle, handleDyn, later, unknownFlagsErr ) -import CmdLineOpts ( dynFlag, restoreDynFlags, - saveDynFlags, setDynFlags, getDynFlags, dynFlag, - DynFlags(..), HscLang(..), v_Static_hsc_opts - ) +import CmdLineOpts ( DynFlags(..), HscTarget(..), v_Static_hsc_opts, + defaultDynFlags ) import BasicTypes ( failed ) import Outputable import Util @@ -99,8 +88,7 @@ main = -- an IO exception probably isn't our fault, so don't panic IOException _ -> hPutStrLn stderr (show exception) AsyncException StackOverflow -> - hPutStrLn stderr "stack overflow: use +RTS -K \ - \to increase it" + hPutStrLn stderr "stack overflow: use +RTS -K to increase it" _other -> hPutStr stderr (show (Panic (show exception))) exitWith (ExitFailure 1) ) $ do @@ -115,34 +103,20 @@ main = 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 <- dynFlag verbosity - cleanTempFiles verb - ) $ do - -- exceptions will be blocked while we clean the temporary files, - -- so there shouldn't be any difficulty if we receive further - -- signals. - installSignalHandlers argv <- getArgs let (minusB_args, argv') = partition (prefixMatch "-B") argv top_dir <- initSysTools minusB_args - -- Read the package configuration - conf_file <- getPackageConfigPath - readPackageConf conf_file - -- Process all the other arguments, and get the source files - non_static <- processArgs static_flags argv' [] + non_static <- processStaticFlags argv' mode <- readIORef v_GhcMode -- -O and --interactive are not a good combination -- ditto with any kind of way selection orig_ways <- readIORef v_Ways - when (notNull orig_ways && isInteractive mode) $ + when (notNull orig_ways && isInterpretiveMode mode) $ do throwDyn (UsageError "--interactive can't be used with -prof, -ticky, -unreg or -smp.") @@ -152,9 +126,7 @@ main = way_opts <- findBuildTag let unreg_opts | cGhcUnregisterised == "YES" = unregFlags | otherwise = [] - pkg_extra_opts <- getPackageExtraGhcOpts - extra_non_static <- processArgs static_flags - (unreg_opts ++ way_opts ++ pkg_extra_opts) [] + extra_non_static <- processStaticFlags (unreg_opts ++ way_opts) -- Give the static flags to hsc static_opts <- buildStaticHscOpts @@ -165,34 +137,41 @@ main = stg_todo <- buildStgToDo - -- set the "global" HscLang. The HscLang can be further adjusted on a module + -- set the "global" HscTarget. The HscTarget 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. - dyn_flags <- getDynFlags - build_tag <- readIORef v_Build_tag + -- HscTarget is not HscC or HscAsm, -fvia-C and -fasm have no effect. + let dflags0 = defaultDynFlags let lang = case mode of DoInteractive -> HscInterpreted DoEval _ -> HscInterpreted - _other | build_tag /= "" -> HscC - | otherwise -> hscLang dyn_flags - -- for ways other that the normal way, we must - -- compile via C. - - setDynFlags (dyn_flags{ stgToDo = stg_todo, - hscLang = lang, - -- leave out hscOutName for now - hscOutName = panic "Main.main:hscOutName not set", - verbosity = case mode of + _other -> hscTarget dflags0 + + let dflags1 = dflags0{ stgToDo = stg_todo, + hscTarget = lang, + -- leave out hscOutName for now + hscOutName = panic "Main.main:hscOutName not set", + verbosity = case mode of DoEval _ -> 0 _other -> 1 - }) + } -- The rest of the arguments are "dynamic" -- Leftover ones are presumably files - fileish_args <- processArgs dynamic_flags (extra_non_static ++ non_static) [] + (dflags2, fileish_args) <- processDynamicFlags + (extra_non_static ++ non_static) dflags1 + + -- make sure we clean up after ourselves + later (do forget_it <- readIORef v_Keep_tmp_files + unless forget_it $ do + cleanTempFiles dflags2 + ) $ do + -- exceptions will be blocked while we clean the temporary files, + -- so there shouldn't be any difficulty if we receive further + -- signals. - -- save the "initial DynFlags" away - saveDynFlags + -- Read the package config(s), and process the package-related + -- command-line flags + dflags <- initPackages dflags2 let {- @@ -222,34 +201,34 @@ main = normal_fileish_paths = map normalisePath fileish_args (srcs, objs) = partition looks_like_an_input normal_fileish_paths - mapM_ (add v_Ld_inputs) objs + -- Note: have v_Ld_inputs maintain the order in which 'objs' occurred on + -- the command-line. + mapM_ (add v_Ld_inputs) (reverse objs) ---------------- Display banners and configuration ----------- - showBanners mode conf_file static_opts + showBanners mode dflags static_opts ---------------- Final sanity checking ----------- checkOptions mode srcs objs - -- We always link in the base package in - -- one-shot linking. Any other packages - -- required must be given using -package - -- options on the command-line. - let def_hs_pkgs = [basePackage, haskell98Package] - ---------------- Do the business ----------- + + -- Always link in the haskell98 package for static linking. Other + -- packages have to be specified via the -package flag. + let link_pkgs + | ExtPackage h98_id <- haskell98PackageId (pkgState dflags) = [h98_id] + | otherwise = [] + case mode of - DoMake -> doMake srcs - - DoMkDependHS -> do { beginMkDependHS ; - compileFiles mode srcs; - endMkDependHS } - StopBefore p -> do { compileFiles mode srcs; return () } - DoMkDLL -> do { o_files <- compileFiles mode srcs; - doMkDLL o_files def_hs_pkgs } - DoLink -> do { o_files <- compileFiles mode srcs; + DoMake -> doMake dflags srcs + DoMkDependHS -> doMkDependHS dflags srcs + StopBefore p -> do { compileFiles mode dflags srcs; return () } + DoMkDLL -> do { o_files <- compileFiles mode dflags srcs; + doMkDLL dflags o_files link_pkgs } + DoLink -> do { o_files <- compileFiles mode dflags srcs; omit_linking <- readIORef v_NoLink; when (not omit_linking) - (staticLink o_files def_hs_pkgs) } + (staticLink dflags o_files link_pkgs) } #ifndef GHCI DoInteractive -> noInteractiveError @@ -257,8 +236,8 @@ main = where noInteractiveError = throwDyn (CmdLineError "not built for interactive use") #else - DoInteractive -> interactiveUI srcs Nothing - DoEval expr -> interactiveUI srcs (Just expr) + DoInteractive -> interactiveUI dflags srcs Nothing + DoEval expr -> interactiveUI dflags srcs (Just expr) #endif -- ----------------------------------------------------------------------------- @@ -274,64 +253,41 @@ checkOptions mode srcs objs = do -- -ohi sanity check ohi <- readIORef v_Output_hi if (isJust ohi && - (mode == DoMake || isInteractive mode || srcs `lengthExceeds` 1)) + (isCompManagerMode mode || 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 (srcs `lengthExceeds` 1 && isJust o_file && mode /= DoLink && mode /= DoMkDLL) + if (srcs `lengthExceeds` 1 && isJust o_file && not (isLinkMode mode)) then throwDyn (UsageError "can't apply -o to multiple source files") else do - -- Check that there are some input files (except in the interactive - -- case) - if null srcs && null objs && not (isInteractive mode) + -- Check that there are some input files + -- (except in the interactive case) + if null srcs && null objs && not (isInterpretiveMode mode) then throwDyn (UsageError "no input files") else do -- Verify that output files point somewhere sensible. verifyOutputFiles -isInteractive DoInteractive = True -isInteractive (DoEval _) = True -isInteractive _ = False - -- ----------------------------------------------------------------------------- -- Compile files in one-shot mode. -compileFiles :: GhcMode +compileFiles :: GhcMode + -> DynFlags -> [String] -- Source files -> IO [String] -- Object files -compileFiles mode srcs = do - stop_flag <- readIORef v_GhcModeFlag - mapM (compileFile mode stop_flag) srcs - - -compileFile mode stop_flag src = do - restoreDynFlags - - exists <- doesFileExist src - when (not exists) $ - throwDyn (CmdLineError ("file `" ++ src ++ "' does not exist")) - - o_file <- readIORef v_Output_file - -- when linking, the -o argument refers to the linker's output. - -- otherwise, we use it as the name for the pipeline's output. - let maybe_o_file - | mode==DoLink || mode==DoMkDLL = Nothing - | otherwise = o_file - - runPipeline mode stop_flag True maybe_o_file src Nothing{-no ModLocation-} +compileFiles mode dflags srcs = mapM (compileFile mode dflags) srcs -- ---------------------------------------------------------------------------- -- Run --make mode -doMake :: [String] -> IO () -doMake [] = throwDyn (UsageError "no input files") -doMake srcs = do - dflags <- getDynFlags +doMake :: DynFlags -> [String] -> IO () +doMake dflags [] = throwDyn (UsageError "no input files") +doMake dflags srcs = do state <- cmInit Batch dflags graph <- cmDepAnal state srcs (_, ok_flag, _) <- cmLoadModules state graph @@ -341,28 +297,25 @@ doMake srcs = do -- --------------------------------------------------------------------------- -- Various banners and verbosity output. -showBanners :: GhcMode -> FilePath -> [String] -> IO () -showBanners mode conf_file static_opts = do - verb <- dynFlag verbosity +showBanners :: GhcMode -> DynFlags -> [String] -> IO () +showBanners mode dflags static_opts = do + let verb = verbosity dflags -- Show the GHCi banner # ifdef GHCI - when (mode == DoInteractive && verb >= 1) $ + when (isInteractiveMode mode && 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 - hPutStr stderr ", for Haskell 98, compiled by GHC version " - hPutStrLn stderr cBooterVersion) - - when (verb >= 2) - (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 - pkg_details <- getPackageConfigMap - showPackages pkg_details + when (verb >= 3) $ + dumpPackages dflags - when (verb >= 3) - (hPutStrLn stderr ("Hsc static flags: " ++ unwords static_opts)) + when (verb >= 3) $ + hPutStrLn stderr ("Hsc static flags: " ++ unwords static_opts)