diff options
Diffstat (limited to 'ghc/compiler/main/Main.hs')
| -rw-r--r-- | ghc/compiler/main/Main.hs | 1422 |
1 files changed, 47 insertions, 1375 deletions
diff --git a/ghc/compiler/main/Main.hs b/ghc/compiler/main/Main.hs index dee1e1181e..9d82e36493 100644 --- a/ghc/compiler/main/Main.hs +++ b/ghc/compiler/main/Main.hs @@ -1,6 +1,6 @@ {-# OPTIONS -W -fno-warn-incomplete-patterns #-} ----------------------------------------------------------------------------- --- $Id: Main.hs,v 1.1 2000/10/10 13:25:19 simonmar Exp $ +-- $Id: Main.hs,v 1.2 2000/10/11 11:54:58 simonmar Exp $ -- -- GHC Driver program -- @@ -13,10 +13,14 @@ module Main (main) where +#include "HsVersions.h" + import CmSummarise ( getImports ) import CmStaticInfo ( Package(..) ) import TmpFiles import Config +import CmdLineOpts +import Util ( global ) import RegexString import Concurrent @@ -36,6 +40,12 @@ import Maybe import Char ----------------------------------------------------------------------------- +-- Changes: + +-- * -fglasgow-exts NO LONGER IMPLIES -package lang!!! (-fglasgow-exts is a +-- dynamic flag whereas -package is a static flag.) + +----------------------------------------------------------------------------- -- ToDo: -- certain options in OPTIONS pragmas are persistent through subsequent compilations. @@ -49,6 +59,7 @@ import Char -- make sure OPTIONS in .hs file propogate to .hc file if -C or -keep-hc-file-too -- reading the package configuration file is too slow -- -H, -K, -Rghc-timing +-- hi-diffs ----------------------------------------------------------------------------- -- Differences vs. old driver: @@ -60,123 +71,6 @@ import Char -- no -Ofile ----------------------------------------------------------------------------- --- non-configured things - -cHaskell1Version = "5" -- i.e., Haskell 98 - ------------------------------------------------------------------------------ --- Usage Message - -short_usage = "Usage: For basic information, try the `--help' option." - -long_usage = do - let usage_file = "ghc-usage.txt" - usage_path = findFile usage_file (cGHC_DRIVER_DIR ++ '/':usage_file) - usage <- readFile usage_path - dump usage - exitWith ExitSuccess - where - dump "" = return () - dump ('$':'$':s) = hPutStr stderr get_prog_name >> dump s - dump (c:s) = hPutChar stderr c >> dump s - -version_str = cProjectVersion - ------------------------------------------------------------------------------ --- Driver state - --- certain flags can be specified on a per-file basis, in an OPTIONS --- pragma at the beginning of the source file. This means that when --- compiling mulitple files, we have to restore the global option --- settings before compiling a new file. --- --- The DriverState record contains the per-file-mutable state. - -data DriverState = DriverState { - - -- are we runing cpp on this file? - cpp_flag :: Bool, - - -- heap/stack sizes - specific_heap_size :: Integer, - specific_stack_size :: Integer, - - -- misc - stolen_x86_regs :: Int, - excess_precision :: Bool, - warning_opt :: WarningState, - cmdline_hc_includes :: [String], - - -- options for a particular phase - anti_opt_C :: [String], - opt_dep :: [String], - opt_L :: [String], - opt_P :: [String], - opt_C :: [String], - opt_c :: [String], - opt_a :: [String], - opt_m :: [String], - opt_l :: [String], - opt_dll :: [String] - } - -initDriverState = DriverState { - cpp_flag = False, - specific_heap_size = 6 * 1000 * 1000, - specific_stack_size = 1000 * 1000, - stolen_x86_regs = 4, - excess_precision = False, - warning_opt = W_default, - cmdline_hc_includes = [], - anti_opt_C = [], - opt_dep = [], - opt_L = [], - opt_P = [], - opt_C = [], - opt_c = [], - opt_a = [], - opt_m = [], - opt_l = [], - opt_dll = [] - } - -GLOBAL_VAR(driver_state, initDriverState, DriverState) - -readState :: (DriverState -> a) -> IO a -readState f = readIORef driver_state >>= return . f - -updateState :: (DriverState -> DriverState) -> IO () -updateState f = readIORef driver_state >>= writeIORef driver_state . f - -addAntiOpt_C a = updateState (\s -> s{anti_opt_C = a : anti_opt_C s}) -addOpt_dep a = updateState (\s -> s{opt_dep = a : opt_dep s}) -addOpt_L a = updateState (\s -> s{opt_L = a : opt_L s}) -addOpt_P a = updateState (\s -> s{opt_P = a : opt_P s}) -addOpt_C a = updateState (\s -> s{opt_C = a : opt_C s}) -addOpt_c a = updateState (\s -> s{opt_c = a : opt_c s}) -addOpt_a a = updateState (\s -> s{opt_a = a : opt_a s}) -addOpt_m a = updateState (\s -> s{opt_m = a : opt_m s}) -addOpt_l a = updateState (\s -> s{opt_l = a : opt_l s}) -addOpt_dll a = updateState (\s -> s{opt_dll = a : opt_dll s}) - -addCmdlineHCInclude a = - updateState (\s -> s{cmdline_hc_includes = a : cmdline_hc_includes s}) - - -- we add to the options from the front, so we need to reverse the list -getOpts :: (DriverState -> [a]) -> IO [a] -getOpts opts = readState opts >>= return . reverse - -newHeapSize :: Integer -> IO () -newHeapSize new = updateState - (\s -> let current = specific_heap_size s in - s{ specific_heap_size = if new > current then new else current }) - -newStackSize :: Integer -> IO () -newStackSize new = updateState - (\s -> let current = specific_stack_size s in - s{ specific_stack_size = if new > current then new else current }) - ------------------------------------------------------------------------------ -- Phases {- @@ -206,742 +100,20 @@ data Phase deriving (Eq) ----------------------------------------------------------------------------- --- Errors - -data BarfKind - = PhaseFailed String ExitCode - | Interrupted - | UsageError String -- prints the short usage msg after the error - | OtherError String -- just prints the error message - deriving Eq - -GLOBAL_VAR(prog_name, "ghc", String) - -get_prog_name = unsafePerformIO (readIORef prog_name) -- urk! - -instance Show BarfKind where - showsPrec _ e = showString get_prog_name . showString ": " . showBarf e - -showBarf (UsageError str) = showString str . showChar '\n' . showString short_usage -showBarf (OtherError str) = showString str -showBarf (PhaseFailed phase code) = - showString phase . showString " failed, code = " . shows code -showBarf (Interrupted) = showString "interrupted" - -unknownFlagErr f = throwDyn (UsageError ("unrecognised flag: " ++ f)) - -barfKindTc = mkTyCon "BarfKind" -instance Typeable BarfKind where - typeOf _ = mkAppTy barfKindTc [] - ------------------------------------------------------------------------------ --- Global compilation flags - - - -- Cpp-related flags -hs_source_cpp_opts = global - [ "-D__HASKELL1__="++cHaskell1Version - , "-D__GLASGOW_HASKELL__="++cProjectVersionInt - , "-D__HASKELL98__" - , "-D__CONCURRENT_HASKELL__" - ] - - -- Verbose -GLOBAL_VAR(verbose, False, Bool) -is_verbose = do v <- readIORef verbose; if v then return "-v" else return "" - - -- Keep output from intermediate phases -GLOBAL_VAR(keep_hi_diffs, False, Bool) -GLOBAL_VAR(keep_hc_files, False, Bool) -GLOBAL_VAR(keep_s_files, False, Bool) -GLOBAL_VAR(keep_raw_s_files, False, Bool) -GLOBAL_VAR(keep_tmp_files, False, Bool) - - -- Misc -GLOBAL_VAR(scale_sizes_by, 1.0, Double) -GLOBAL_VAR(dry_run, False, Bool) -#if !defined(HAVE_WIN32_DLL_SUPPORT) || defined(DONT_WANT_WIN32_DLL_SUPPORT) -GLOBAL_VAR(static, True, Bool) -#else -GLOBAL_VAR(static, False, Bool) -#endif -GLOBAL_VAR(collect_ghc_timing, False, Bool) -GLOBAL_VAR(do_asm_mangling, True, Bool) - ------------------------------------------------------------------------------ --- Splitting object files (for libraries) - -GLOBAL_VAR(split_object_files, False, Bool) -GLOBAL_VAR(split_prefix, "", String) -GLOBAL_VAR(n_split_files, 0, Int) - -can_split :: Bool -can_split = prefixMatch "i386" cTARGETPLATFORM - || prefixMatch "alpha" cTARGETPLATFORM - || prefixMatch "hppa" cTARGETPLATFORM - || prefixMatch "m68k" cTARGETPLATFORM - || prefixMatch "mips" cTARGETPLATFORM - || prefixMatch "powerpc" cTARGETPLATFORM - || prefixMatch "rs6000" cTARGETPLATFORM - || prefixMatch "sparc" cTARGETPLATFORM - ------------------------------------------------------------------------------ --- Compiler output options - -data HscLang - = HscC - | HscAsm - | HscJava - deriving Eq - -GLOBAL_VAR(hsc_lang, if cGhcWithNativeCodeGen == "YES" && - (prefixMatch "i386" cTARGETPLATFORM || - prefixMatch "sparc" cTARGETPLATFORM) - then HscAsm - else HscC, - HscLang) - -GLOBAL_VAR(output_dir, Nothing, Maybe String) -GLOBAL_VAR(output_suf, Nothing, Maybe String) -GLOBAL_VAR(output_file, Nothing, Maybe String) -GLOBAL_VAR(output_hi, Nothing, Maybe String) - -GLOBAL_VAR(ld_inputs, [], [String]) - -odir_ify :: String -> IO String -odir_ify f = do - odir_opt <- readIORef output_dir - case odir_opt of - Nothing -> return f - Just d -> return (newdir d f) - -osuf_ify :: String -> IO String -osuf_ify f = do - osuf_opt <- readIORef output_suf - case osuf_opt of - Nothing -> return f - Just s -> return (newsuf s f) - ------------------------------------------------------------------------------ --- Hi Files - -GLOBAL_VAR(produceHi, True, Bool) -GLOBAL_VAR(hi_on_stdout, False, Bool) -GLOBAL_VAR(hi_with, "", String) -GLOBAL_VAR(hi_suf, "hi", String) - -data HiDiffFlag = NormalHiDiffs | UsageHiDiffs | NoHiDiffs -GLOBAL_VAR(hi_diffs, NoHiDiffs, HiDiffFlag) - ------------------------------------------------------------------------------ --- Warnings & sanity checking - --- Warning packages that are controlled by -W and -Wall. The 'standard' --- warnings that you get all the time are --- --- -fwarn-overlapping-patterns --- -fwarn-missing-methods --- -fwarn-missing-fields --- -fwarn-deprecations --- -fwarn-duplicate-exports --- --- these are turned off by -Wnot. - -standardWarnings = [ "-fwarn-overlapping-patterns" - , "-fwarn-missing-methods" - , "-fwarn-missing-fields" - , "-fwarn-deprecations" - , "-fwarn-duplicate-exports" - ] -minusWOpts = standardWarnings ++ - [ "-fwarn-unused-binds" - , "-fwarn-unused-matches" - , "-fwarn-incomplete-patterns" - , "-fwarn-unused-imports" - ] -minusWallOpts = minusWOpts ++ - [ "-fwarn-type-defaults" - , "-fwarn-name-shadowing" - , "-fwarn-missing-signatures" - , "-fwarn-hi-shadowing" - ] - -data WarningState = W_default | W_ | W_all | W_not - ------------------------------------------------------------------------------ --- Compiler optimisation options - -GLOBAL_VAR(opt_level, 0, Int) - -setOptLevel :: String -> IO () -setOptLevel "" = do { writeIORef opt_level 1; go_via_C } -setOptLevel "not" = writeIORef opt_level 0 -setOptLevel [c] | isDigit c = do - let level = ord c - ord '0' - writeIORef opt_level level - when (level >= 1) go_via_C -setOptLevel s = unknownFlagErr ("-O"++s) - -go_via_C = do - l <- readIORef hsc_lang - case l of { HscAsm -> writeIORef hsc_lang HscC; - _other -> return () } - -GLOBAL_VAR(opt_minus_o2_for_C, False, Bool) - -GLOBAL_VAR(opt_MaxSimplifierIterations, 4, Int) -GLOBAL_VAR(opt_StgStats, False, Bool) -GLOBAL_VAR(opt_UsageSPInf, False, Bool) -- Off by default - -hsc_minusO2_flags = hsc_minusO_flags -- for now - -hsc_minusNoO_flags = do - iter <- readIORef opt_MaxSimplifierIterations - return [ - "-fignore-interface-pragmas", - "-fomit-interface-pragmas", - "-fsimplify", - "[", - "-fmax-simplifier-iterations" ++ show iter, - "]" - ] - -hsc_minusO_flags = do - iter <- readIORef opt_MaxSimplifierIterations - usageSP <- readIORef opt_UsageSPInf - stgstats <- readIORef opt_StgStats - - return [ - "-ffoldr-build-on", - - "-fdo-eta-reduction", - "-fdo-lambda-eta-expansion", - "-fcase-of-case", - "-fcase-merge", - "-flet-to-case", - - -- initial simplify: mk specialiser happy: minimum effort please - - "-fsimplify", - "[", - "-finline-phase0", - -- Don't inline anything till full laziness has bitten - -- In particular, inlining wrappers inhibits floating - -- e.g. ...(case f x of ...)... - -- ==> ...(case (case x of I# x# -> fw x#) of ...)... - -- ==> ...(case x of I# x# -> case fw x# of ...)... - -- and now the redex (f x) isn't floatable any more - - "-fno-rules", - -- Similarly, don't apply any rules until after full - -- laziness. Notably, list fusion can prevent floating. - - "-fno-case-of-case", - -- Don't do case-of-case transformations. - -- This makes full laziness work better - - "-fmax-simplifier-iterations2", - "]", - - -- Specialisation is best done before full laziness - -- so that overloaded functions have all their dictionary lambdas manifest - "-fspecialise", - - "-ffloat-outwards", - "-ffloat-inwards", - - "-fsimplify", - "[", - "-finline-phase1", - -- Want to run with inline phase 1 after the specialiser to give - -- maximum chance for fusion to work before we inline build/augment - -- in phase 2. This made a difference in 'ansi' where an - -- overloaded function wasn't inlined till too late. - "-fmax-simplifier-iterations" ++ show iter, - "]", - - -- infer usage information here in case we need it later. - -- (add more of these where you need them --KSW 1999-04) - if usageSP then "-fusagesp" else "", - - "-fsimplify", - "[", - -- Need inline-phase2 here so that build/augment get - -- inlined. I found that spectral/hartel/genfft lost some useful - -- strictness in the function sumcode' if augment is not inlined - -- before strictness analysis runs - - "-finline-phase2", - "-fmax-simplifier-iterations2", - "]", - - "-fsimplify", - "[", - "-fmax-simplifier-iterations2", - -- No -finline-phase: allow all Ids to be inlined now - -- This gets foldr inlined before strictness analysis - "]", - - "-fstrictness", - "-fcpr-analyse", - "-fworker-wrapper", - "-fglom-binds", - - "-fsimplify", - "[", - "-fmax-simplifier-iterations" ++ show iter, - -- No -finline-phase: allow all Ids to be inlined now - "]", - - "-ffloat-outwards", - -- nofib/spectral/hartel/wang doubles in speed if you - -- do full laziness late in the day. It only happens - -- after fusion and other stuff, so the early pass doesn't - -- catch it. For the record, the redex is - -- f_el22 (f_el21 r_midblock) - --- Leave out lambda lifting for now --- "-fsimplify", -- Tidy up results of full laziness --- "[", --- "-fmax-simplifier-iterations2", --- "]", --- "-ffloat-outwards-full", - - -- We want CSE to follow the final full-laziness pass, because it may - -- succeed in commoning up things floated out by full laziness. - -- - -- CSE must immediately follow a simplification pass, because it relies - -- on the no-shadowing invariant. See comments at the top of CSE.lhs - -- So it must NOT follow float-inwards, which can give rise to shadowing, - -- even if its input doesn't have shadows. Hence putting it between - -- the two passes. - "-fcse", - - - "-ffloat-inwards", - --- Case-liberation for -O2. This should be after --- strictness analysis and the simplification which follows it. - --- ( ($OptLevel != 2) --- ? "" --- : "-fliberate-case -fsimplify [ $Oopt_FB_Support -ffloat-lets-exposing-whnf -ffloat-primops-ok -fcase-of-case -fdo-case-elim -fcase-merge -fdo-lambda-eta-expansion -freuse-con -flet-to-case $Oopt_PedanticBottoms $Oopt_MaxSimplifierIterations $Oopt_ShowSimplifierProgress ]" ), --- --- "-fliberate-case", - - -- Final clean-up simplification: - "-fsimplify", - "[", - "-fmax-simplifier-iterations" ++ show iter, - -- No -finline-phase: allow all Ids to be inlined now - "]" - - ] - ------------------------------------------------------------------------------ --- Paths & Libraries - -split_marker = ':' -- not configurable (ToDo) - -import_paths, include_paths, library_paths :: IORef [String] -GLOBAL_VAR(import_paths, ["."], [String]) -GLOBAL_VAR(include_paths, ["."], [String]) -GLOBAL_VAR(library_paths, [], [String]) - -GLOBAL_VAR(cmdline_libraries, [], [String]) - -addToDirList :: IORef [String] -> String -> IO () -addToDirList ref path - = do paths <- readIORef ref - writeIORef ref (paths ++ split split_marker path) - ------------------------------------------------------------------------------ --- Packages - -GLOBAL_VAR(package_config, (findFile "package.conf" (cGHC_DRIVER_DIR++"/package.conf.inplace")), String) - -listPackages :: IO () -listPackages = do - details <- readIORef package_details - hPutStr stdout (listPkgs details) - hPutChar stdout '\n' - exitWith ExitSuccess - -newPackage :: IO () -newPackage = do - checkConfigAccess - details <- readIORef package_details - hPutStr stdout "Reading package info from stdin... " - stuff <- getContents - let new_pkg = read stuff :: Package - catchAll new_pkg - (\_ -> throwDyn (OtherError "parse error in package info")) - hPutStrLn stdout "done." - if (name new_pkg `elem` map name details) - then throwDyn (OtherError ("package `" ++ name new_pkg ++ - "' already installed")) - else do - conf_file <- readIORef package_config - savePackageConfig conf_file - maybeRestoreOldConfig conf_file $ do - writeNewConfig conf_file ( ++ [new_pkg]) - exitWith ExitSuccess - -deletePackage :: String -> IO () -deletePackage pkg = do - checkConfigAccess - details <- readIORef package_details - if (pkg `notElem` map name details) - then throwDyn (OtherError ("package `" ++ pkg ++ "' not installed")) - else do - conf_file <- readIORef package_config - savePackageConfig conf_file - maybeRestoreOldConfig conf_file $ do - writeNewConfig conf_file (filter ((/= pkg) . name)) - exitWith ExitSuccess - -checkConfigAccess :: IO () -checkConfigAccess = do - conf_file <- readIORef package_config - access <- getPermissions conf_file - unless (writable access) - (throwDyn (OtherError "you don't have permission to modify the package configuration file")) - -maybeRestoreOldConfig :: String -> IO () -> IO () -maybeRestoreOldConfig conf_file io - = catchAllIO io (\e -> do - hPutStr stdout "\nWARNING: an error was encountered while the new \n\ - \configuration was being written. Attempting to \n\ - \restore the old configuration... " - system ("cp " ++ conf_file ++ ".old " ++ conf_file) - hPutStrLn stdout "done." - throw e - ) - -writeNewConfig :: String -> ([Package] -> [Package]) -> IO () -writeNewConfig conf_file fn = do - hPutStr stdout "Writing new package config file... " - old_details <- readIORef package_details - h <- openFile conf_file WriteMode - hPutStr h (dumpPackages (fn old_details)) - hClose h - hPutStrLn stdout "done." - -savePackageConfig :: String -> IO () -savePackageConfig conf_file = do - hPutStr stdout "Saving old package config file... " - -- mv rather than cp because we've already done an hGetContents - -- on this file so we won't be able to open it for writing - -- unless we move the old one out of the way... - system ("mv " ++ conf_file ++ " " ++ conf_file ++ ".old") - hPutStrLn stdout "done." - --- package list is maintained in dependency order -packages = global ["std", "rts", "gmp"] :: IORef [String] --- comma in value, so can't use macro, grrr -{-# NOINLINE packages #-} - -addPackage :: String -> IO () -addPackage package - = do pkg_details <- readIORef package_details - case lookupPkg package pkg_details of - Nothing -> throwDyn (OtherError ("unknown package name: " ++ package)) - Just details -> do - ps <- readIORef packages - unless (package `elem` ps) $ do - mapM_ addPackage (package_deps details) - ps <- readIORef packages - writeIORef packages (package:ps) - -getPackageImportPath :: IO [String] -getPackageImportPath = do - ps <- readIORef packages - ps' <- getPackageDetails ps - return (nub (concat (map import_dirs ps'))) - -getPackageIncludePath :: IO [String] -getPackageIncludePath = do - ps <- readIORef packages - ps' <- getPackageDetails ps - return (nub (filter (not.null) (concatMap include_dirs ps'))) - - -- includes are in reverse dependency order (i.e. rts first) -getPackageCIncludes :: IO [String] -getPackageCIncludes = do - ps <- readIORef packages - ps' <- getPackageDetails ps - return (reverse (nub (filter (not.null) (concatMap c_includes ps')))) - -getPackageLibraryPath :: IO [String] -getPackageLibraryPath = do - ps <- readIORef packages - ps' <- getPackageDetails ps - return (nub (concat (map library_dirs ps'))) - -getPackageLibraries :: IO [String] -getPackageLibraries = do - ps <- readIORef packages - ps' <- getPackageDetails ps - tag <- readIORef build_tag - let suffix = if null tag then "" else '_':tag - return (concat ( - map (\p -> map (++suffix) (hs_libraries p) ++ extra_libraries p) ps' - )) - -getPackageExtraGhcOpts :: IO [String] -getPackageExtraGhcOpts = do - ps <- readIORef packages - ps' <- getPackageDetails ps - return (concatMap extra_ghc_opts ps') - -getPackageExtraCcOpts :: IO [String] -getPackageExtraCcOpts = do - ps <- readIORef packages - ps' <- getPackageDetails ps - return (concatMap extra_cc_opts ps') - -getPackageExtraLdOpts :: IO [String] -getPackageExtraLdOpts = do - ps <- readIORef packages - ps' <- getPackageDetails ps - return (concatMap extra_ld_opts ps') - -getPackageDetails :: [String] -> IO [Package] -getPackageDetails ps = do - pkg_details <- readIORef package_details - return [ pkg | p <- ps, Just pkg <- [ lookupPkg p pkg_details ] ] - -GLOBAL_VAR(package_details, (error "package_details"), [Package]) - -lookupPkg :: String -> [Package] -> Maybe Package -lookupPkg nm ps - = case [p | p <- ps, name p == nm] of - [] -> Nothing - (p:_) -> Just p - ------------------------------------------------------------------------------ --- Ways - --- The central concept of a "way" is that all objects in a given --- program must be compiled in the same "way". Certain options change --- parameters of the virtual machine, eg. profiling adds an extra word --- to the object header, so profiling objects cannot be linked with --- non-profiling objects. - --- After parsing the command-line options, we determine which "way" we --- are building - this might be a combination way, eg. profiling+ticky-ticky. - --- We then find the "build-tag" associated with this way, and this --- becomes the suffix used to find .hi files and libraries used in --- this compilation. - -GLOBAL_VAR(build_tag, "", String) - -data WayName - = WayProf - | WayUnreg - | WayDll - | WayTicky - | WayPar - | WayGran - | WaySMP - | WayDebug - | WayUser_a - | WayUser_b - | WayUser_c - | WayUser_d - | WayUser_e - | WayUser_f - | WayUser_g - | WayUser_h - | WayUser_i - | WayUser_j - | WayUser_k - | WayUser_l - | WayUser_m - | WayUser_n - | WayUser_o - | WayUser_A - | WayUser_B - deriving (Eq,Ord) - -GLOBAL_VAR(ways, [] ,[WayName]) - --- ToDo: allow WayDll with any other allowed combination - -allowed_combinations = - [ [WayProf,WayUnreg], - [WayProf,WaySMP] -- works??? - ] - -findBuildTag :: IO [String] -- new options -findBuildTag = do - way_names <- readIORef ways - case sort way_names of - [] -> do writeIORef build_tag "" - return [] - - [w] -> do let details = lkupWay w - writeIORef build_tag (wayTag details) - return (wayOpts details) - - ws -> if ws `notElem` allowed_combinations - then throwDyn (OtherError $ - "combination not supported: " ++ - foldr1 (\a b -> a ++ '/':b) - (map (wayName . lkupWay) ws)) - else let stuff = map lkupWay ws - tag = concat (map wayTag stuff) - flags = map wayOpts stuff - in do - writeIORef build_tag tag - return (concat flags) - -lkupWay w = - case lookup w way_details of - Nothing -> error "findBuildTag" - Just details -> details - -data Way = Way { - wayTag :: String, - wayName :: String, - wayOpts :: [String] - } - -way_details :: [ (WayName, Way) ] -way_details = - [ (WayProf, Way "p" "Profiling" - [ "-fscc-profiling" - , "-DPROFILING" - , "-optc-DPROFILING" - , "-fvia-C" ]), - - (WayTicky, Way "t" "Ticky-ticky Profiling" - [ "-fticky-ticky" - , "-DTICKY_TICKY" - , "-optc-DTICKY_TICKY" - , "-fvia-C" ]), - - (WayUnreg, Way "u" "Unregisterised" - [ "-optc-DNO_REGS" - , "-optc-DUSE_MINIINTERPRETER" - , "-fno-asm-mangling" - , "-funregisterised" - , "-fvia-C" ]), - - (WayDll, Way "dll" "DLLized" - [ ]), - - (WayPar, Way "mp" "Parallel" - [ "-fparallel" - , "-D__PARALLEL_HASKELL__" - , "-optc-DPAR" - , "-package concurrent" - , "-fvia-C" ]), - - (WayGran, Way "mg" "Gransim" - [ "-fgransim" - , "-D__GRANSIM__" - , "-optc-DGRAN" - , "-package concurrent" - , "-fvia-C" ]), - - (WaySMP, Way "s" "SMP" - [ "-fsmp" - , "-optc-pthread" - , "-optl-pthread" - , "-optc-DSMP" - , "-fvia-C" ]), - - (WayUser_a, Way "a" "User way 'a'" ["$WAY_a_REAL_OPTS"]), - (WayUser_b, Way "b" "User way 'b'" ["$WAY_b_REAL_OPTS"]), - (WayUser_c, Way "c" "User way 'c'" ["$WAY_c_REAL_OPTS"]), - (WayUser_d, Way "d" "User way 'd'" ["$WAY_d_REAL_OPTS"]), - (WayUser_e, Way "e" "User way 'e'" ["$WAY_e_REAL_OPTS"]), - (WayUser_f, Way "f" "User way 'f'" ["$WAY_f_REAL_OPTS"]), - (WayUser_g, Way "g" "User way 'g'" ["$WAY_g_REAL_OPTS"]), - (WayUser_h, Way "h" "User way 'h'" ["$WAY_h_REAL_OPTS"]), - (WayUser_i, Way "i" "User way 'i'" ["$WAY_i_REAL_OPTS"]), - (WayUser_j, Way "j" "User way 'j'" ["$WAY_j_REAL_OPTS"]), - (WayUser_k, Way "k" "User way 'k'" ["$WAY_k_REAL_OPTS"]), - (WayUser_l, Way "l" "User way 'l'" ["$WAY_l_REAL_OPTS"]), - (WayUser_m, Way "m" "User way 'm'" ["$WAY_m_REAL_OPTS"]), - (WayUser_n, Way "n" "User way 'n'" ["$WAY_n_REAL_OPTS"]), - (WayUser_o, Way "o" "User way 'o'" ["$WAY_o_REAL_OPTS"]), - (WayUser_A, Way "A" "User way 'A'" ["$WAY_A_REAL_OPTS"]), - (WayUser_B, Way "B" "User way 'B'" ["$WAY_B_REAL_OPTS"]) - ] - ------------------------------------------------------------------------------ --- Programs for particular phases - -GLOBAL_VAR(pgm_L, findFile "unlit" cGHC_UNLIT, String) -GLOBAL_VAR(pgm_P, cRAWCPP, String) -GLOBAL_VAR(pgm_C, findFile "hsc" cGHC_HSC, String) -GLOBAL_VAR(pgm_c, cGCC, String) -GLOBAL_VAR(pgm_m, findFile "ghc-asm" cGHC_MANGLER, String) -GLOBAL_VAR(pgm_s, findFile "ghc-split" cGHC_SPLIT, String) -GLOBAL_VAR(pgm_a, cGCC, String) -GLOBAL_VAR(pgm_l, cGCC, String) - ------------------------------------------------------------------------------ --- Via-C compilation stuff - --- flags returned are: ( all C compilations --- , registerised HC compilations --- ) - -machdepCCOpts - | prefixMatch "alpha" cTARGETPLATFORM - = return ( ["-static"], [] ) - - | prefixMatch "hppa" cTARGETPLATFORM - -- ___HPUX_SOURCE, not _HPUX_SOURCE, is #defined if -ansi! - -- (very nice, but too bad the HP /usr/include files don't agree.) - = return ( ["-static", "-D_HPUX_SOURCE"], [] ) - - | prefixMatch "m68k" cTARGETPLATFORM - -- -fno-defer-pop : for the .hc files, we want all the pushing/ - -- popping of args to routines to be explicit; if we let things - -- be deferred 'til after an STGJUMP, imminent death is certain! - -- - -- -fomit-frame-pointer : *don't* - -- It's better to have a6 completely tied up being a frame pointer - -- rather than let GCC pick random things to do with it. - -- (If we want to steal a6, then we would try to do things - -- as on iX86, where we *do* steal the frame pointer [%ebp].) - = return ( [], ["-fno-defer-pop", "-fno-omit-frame-pointer"] ) - - | prefixMatch "i386" cTARGETPLATFORM - -- -fno-defer-pop : basically the same game as for m68k - -- - -- -fomit-frame-pointer : *must* in .hc files; because we're stealing - -- the fp (%ebp) for our register maps. - = do n_regs <- readState stolen_x86_regs - sta <- readIORef static - return ( [ if sta then "-DDONT_WANT_WIN32_DLL_SUPPORT" else "" ], - [ "-fno-defer-pop", "-fomit-frame-pointer", - "-DSTOLEN_X86_REGS="++show n_regs ] - ) - - | prefixMatch "mips" cTARGETPLATFORM - = return ( ["static"], [] ) - - | prefixMatch "powerpc" cTARGETPLATFORM || prefixMatch "rs6000" cTARGETPLATFORM - = return ( ["static"], ["-finhibit-size-directive"] ) - - | otherwise - = return ( [], [] ) - ------------------------------------------------------------------------------ -- Build the Hsc command line build_hsc_opts :: IO [String] build_hsc_opts = do opt_C_ <- getOpts opt_C -- misc hsc opts + -- take into account -fno-* flags by removing the equivalent -f* + -- flag from our list. + anti_flags <- getOpts anti_opt_C + let basic_opts = opt_C_ ++ warn_opts ++ optimisation_opts ++ stg_opts + filtered_opts = filter (`notElem` anti_flags) basic_opts + -- warnings - warn_level <- readState warning_opt + warn_level <- readIORef warning_opt let warn_opts = case warn_level of W_default -> standardWarnings W_ -> minusWOpts @@ -972,6 +144,7 @@ build_hsc_opts = do verb <- is_verbose let hi_vers = "-fhi-version="++cProjectVersionInt + static <- (do s <- readIORef static; if s then return "-static" else return "") l <- readIORef hsc_lang @@ -1004,18 +177,11 @@ build_hsc_opts = do heap <- readState specific_heap_size stack <- readState specific_stack_size - -- take into account -fno-* flags by removing the equivalent -f* - -- flag from our list. - anti_flags <- getOpts anti_opt_C - let basic_opts = opt_C_ ++ warn_opts ++ optimisation_opts ++ stg_opts - filtered_opts = filter (`notElem` anti_flags) basic_opts - return ( filtered_opts -- ToDo: C stub files ++ [ hi_vers, static, verb, lang, hi_map, hi_map_sep ] - ++ rts_opts ) makeHiMap @@ -1064,19 +230,18 @@ main = Interrupted -> exitWith (ExitFailure 1) _ -> do hPutStrLn stderr (show (dyn :: BarfKind)) exitWith (ExitFailure 1) - ) $ + ) $ do - -- make sure we clean up after ourselves - later (do forget_it <- readIORef keep_tmp_files - unless forget_it $ do - verb <- readIORef verbose - cleanTempFiles verb + -- make sure we clean up after ourselves + later (do forget_it <- readIORef keep_tmp_files + unless forget_it $ do + verb <- readIORef verbose + cleanTempFiles verb ) -- exceptions will be blocked while we clean the temporary files, -- so there shouldn't be any difficulty if we receive further -- signals. - do -- install signal handlers main_thread <- myThreadId @@ -1087,13 +252,6 @@ main = installHandler sigINT sig_handler Nothing #endif - doIfSet opt_Verbose - (hPutStr stderr "Glasgow Haskell Compiler, Version " >> - hPutStr stderr compiler_version >> - hPutStr stderr ", for Haskell 98, compiled by GHC version " >> - hPutStr stderr booter_version >> - hPutStr stderr "\n") >> - pgm <- getProgName writeIORef prog_name pgm @@ -1112,15 +270,31 @@ main = writeIORef v_todo todo -- process all the other arguments, and get the source files - srcs <- processArgs driver_opts flags2 [] + non_static <- processArgs static_flags flags2 [] -- find the build tag, and re-process the build-specific options more_opts <- findBuildTag - _ <- processArgs driver_opts more_opts [] + _ <- processArgs static_opts more_opts [] + + -- give the static flags to hsc + build_hsc_opts + + -- the rest of the arguments are "dynamic" + srcs <- processArgs dynamic_flags non_static [] + + -- complain about any unknown flags + let unknown_flags = [ f | ('-':f) <- srcs ] + mapM unknownFlagErr unknown_flags -- get the -v flag verb <- readIORef verbose + when verb (do hPutStr stderr "Glasgow Haskell Compiler, Version " + hPutStr stderr version_str + hPutStr stderr ", for Haskell 98, compiled by GHC version " + hPutStr stderr booter_version + hPutStr stderr "\n") + when verb (hPutStrLn stderr ("Using package config file: " ++ conf_file)) -- mkdependHS is special @@ -1347,20 +521,6 @@ genPipeline todo stop_flag filename --- the output suffix for a given phase is uniquely determined by --- the input requirements of the next phase. -phase_input_ext Unlit = "lhs" -phase_input_ext Cpp = "lpp" -phase_input_ext Hsc = "cpp" -phase_input_ext HCc = "hc" -phase_input_ext Cc = "c" -phase_input_ext Mangle = "raw_s" -phase_input_ext SplitMangle = "split_s" -- not really generated -phase_input_ext As = "s" -phase_input_ext SplitAs = "split_s" -- not really generated -phase_input_ext Ln = "o" -phase_input_ext MkDependHS = "dep" - run_pipeline :: [ (Phase, IntermediateFileType, String) ] -- phases to run -> String -- input file @@ -1404,9 +564,7 @@ run_pipeline ((phase, keep, o_suffix):phases) else if keep == Persistent then do f <- odir_ify (orig_basename ++ '.':suffix) osuf_ify f - else do filename <- newTempName suffix - add files_to_clean filename - return filename + else newTempName suffix ------------------------------------------------------------------------------- -- mkdependHS @@ -1448,7 +606,6 @@ beginMkDependHS = do -- open a new temp file in which to stuff the dependency info -- as we go along. dep_file <- newTempName "dep" - add files_to_clean dep_file writeIORef dep_tmp_file dep_file tmp_hdl <- openFile dep_file WriteMode writeIORef dep_tmp_hdl tmp_hdl @@ -1587,55 +744,6 @@ findDependency mod imp = do search dir_contents -------------------------------------------------------------------------------- --- Unlit phase - -run_phase Unlit _basename _suff input_fn output_fn - = do unlit <- readIORef pgm_L - unlit_flags <- getOpts opt_L - run_something "Literate pre-processor" - ("echo '# 1 \"" ++input_fn++"\"' > "++output_fn++" && " - ++ unlit ++ ' ':input_fn ++ " - >> " ++ output_fn) - return True - -------------------------------------------------------------------------------- --- Cpp phase - -run_phase Cpp _basename _suff input_fn output_fn - = do src_opts <- getOptionsFromSource input_fn - -- ToDo: this is *wrong* if we're processing more than one file: - -- the OPTIONS will persist through the subsequent compilations. - _ <- processArgs driver_opts src_opts [] - - do_cpp <- readState cpp_flag - if do_cpp - then do - cpp <- readIORef pgm_P - hscpp_opts <- getOpts opt_P - hs_src_cpp_opts <- readIORef hs_source_cpp_opts - - cmdline_include_paths <- readIORef include_paths - pkg_include_dirs <- getPackageIncludePath - let include_paths = map (\p -> "-I"++p) (cmdline_include_paths - ++ pkg_include_dirs) - - verb <- is_verbose - run_something "C pre-processor" - (unwords - (["echo '{-# LINE 1 \"" ++ input_fn ++ "\" -}'", ">", output_fn, "&&", - cpp, verb] - ++ include_paths - ++ hs_src_cpp_opts - ++ hscpp_opts - ++ [ "-x", "c", input_fn, ">>", output_fn ] - )) - else do - run_something "Ineffective C pre-processor" - ("echo '{-# LINE 1 \"" ++ input_fn ++ "\" -}' > " - ++ output_fn ++ " && cat " ++ input_fn - ++ " >> " ++ output_fn) - return True - ----------------------------------------------------------------------------- -- MkDependHS phase @@ -1712,16 +820,12 @@ run_phase Hsc basename suff input_fn output_fn doing_hi <- readIORef produceHi tmp_hi_file <- if doing_hi - then do fn <- newTempName "hi" - add files_to_clean fn - return fn + then newTempName "hi" else return "" -- tmp files for foreign export stub code tmp_stub_h <- newTempName "stub_h" tmp_stub_c <- newTempName "stub_c" - add files_to_clean tmp_stub_h - add files_to_clean tmp_stub_c -- figure out where to put the .hi file ohi <- readIORef output_hi @@ -1841,14 +945,12 @@ run_phase cc_phase _basename _suff input_fn output_fn _ -> "#include \""++h_file++"\"" cc_help <- newTempName "c" - add files_to_clean cc_help h <- openFile cc_help WriteMode hPutStr h cc_injects hPutStrLn h ("#include \"" ++ input_fn ++ "\"\n") hClose h ccout <- newTempName "ccout" - add files_to_clean ccout mangle <- readIORef do_asm_mangling (md_c_flags, md_regd_c_flags) <- machdepCCOpts @@ -1914,11 +1016,10 @@ run_phase SplitMangle _basename _suff input_fn _output_fn x <- getProcessID let split_s_prefix = tmp_pfx ++ "/ghc" ++ show x writeIORef split_prefix split_s_prefix - add files_to_clean (split_s_prefix ++ "__*") -- d:-) + addFilesToClean (split_s_prefix ++ "__*") -- d:-) -- allocate a tmp file to put the no. of split .s files in (sigh) n_files <- newTempName "n_files" - add files_to_clean n_files run_something "Split Assembly File" (unwords [ splitter @@ -2020,435 +1121,6 @@ do_link o_files = do ) ----------------------------------------------------------------------------- --- Running an external program - -run_something phase_name cmd - = do - verb <- readIORef verbose - when verb $ do - putStr phase_name - putStrLn ":" - putStrLn cmd - hFlush stdout - - -- test for -n flag - n <- readIORef dry_run - unless n $ do - - -- and run it! -#ifndef mingw32_TARGET_OS - exit_code <- system cmd `catchAllIO` - (\_ -> throwDyn (PhaseFailed phase_name (ExitFailure 1))) -#else - tmp <- newTempName "sh" - h <- openFile tmp WriteMode - hPutStrLn h cmd - hClose h - exit_code <- system ("sh - " ++ tmp) `catchAllIO` - (\e -> throwDyn (PhaseFailed phase_name (ExitFailure 1))) - removeFile tmp -#endif - - if exit_code /= ExitSuccess - then throwDyn (PhaseFailed phase_name exit_code) - else do when verb (putStr "\n") - return () - ------------------------------------------------------------------------------ --- Flags - -data OptKind - = NoArg (IO ()) -- flag with no argument - | HasArg (String -> IO ()) -- flag has an argument (maybe prefix) - | SepArg (String -> IO ()) -- flag has a separate argument - | Prefix (String -> IO ()) -- flag is a prefix only - | OptPrefix (String -> IO ()) -- flag may be a prefix - | AnySuffix (String -> IO ()) -- flag is a prefix, pass whole arg to fn - | PassFlag (String -> IO ()) -- flag with no arg, pass flag to fn - --- note that ordering is important in the following list: any flag which --- is a prefix flag (i.e. HasArg, Prefix, OptPrefix, AnySuffix) will override --- flags further down the list with the same prefix. - -driver_opts = - [ ------- help ------------------------------------------------------- - ( "?" , NoArg long_usage) - , ( "-help" , NoArg long_usage) - - - ------- version ---------------------------------------------------- - , ( "-version" , NoArg (do hPutStrLn stdout (cProjectName - ++ ", version " ++ version_str) - exitWith ExitSuccess)) - , ( "-numeric-version", NoArg (do hPutStrLn stdout version_str - exitWith ExitSuccess)) - - ------- verbosity ---------------------------------------------------- - , ( "v" , NoArg (writeIORef verbose True) ) - , ( "n" , NoArg (writeIORef dry_run True) ) - - ------- recompilation checker -------------------------------------- - , ( "recomp" , NoArg (writeIORef recomp True) ) - , ( "no-recomp" , NoArg (writeIORef recomp False) ) - - ------- ways -------------------------------------------------------- - , ( "prof" , NoArg (addNoDups ways WayProf) ) - , ( "unreg" , NoArg (addNoDups ways WayUnreg) ) - , ( "dll" , NoArg (addNoDups ways WayDll) ) - , ( "ticky" , NoArg (addNoDups ways WayTicky) ) - , ( "parallel" , NoArg (addNoDups ways WayPar) ) - , ( "gransim" , NoArg (addNoDups ways WayGran) ) - , ( "smp" , NoArg (addNoDups ways WaySMP) ) - , ( "debug" , NoArg (addNoDups ways WayDebug) ) - -- ToDo: user ways - - ------- Interface files --------------------------------------------- - , ( "hi" , NoArg (writeIORef produceHi True) ) - , ( "nohi" , NoArg (writeIORef produceHi False) ) - , ( "hi-diffs" , NoArg (writeIORef hi_diffs NormalHiDiffs) ) - , ( "no-hi-diffs" , NoArg (writeIORef hi_diffs NoHiDiffs) ) - , ( "hi-diffs-with-usages" , NoArg (writeIORef hi_diffs UsageHiDiffs) ) - , ( "keep-hi-diffs" , NoArg (writeIORef keep_hi_diffs True) ) - --"hi-with-*" -> hiw <- readIORef hi_with (ToDo) - - --------- Profiling -------------------------------------------------- - , ( "auto-dicts" , NoArg (addOpt_C "-fauto-sccs-on-dicts") ) - , ( "auto-all" , NoArg (addOpt_C "-fauto-sccs-on-all-toplevs") ) - , ( "auto" , NoArg (addOpt_C "-fauto-sccs-on-exported-toplevs") ) - , ( "caf-all" , NoArg (addOpt_C "-fauto-sccs-on-individual-cafs") ) - -- "ignore-sccs" doesn't work (ToDo) - - , ( "no-auto-dicts" , NoArg (addAntiOpt_C "-fauto-sccs-on-dicts") ) - , ( "no-auto-all" , NoArg (addAntiOpt_C "-fauto-sccs-on-all-toplevs") ) - , ( "no-auto" , NoArg (addAntiOpt_C "-fauto-sccs-on-exported-toplevs") ) - , ( "no-caf-all" , NoArg (addAntiOpt_C "-fauto-sccs-on-individual-cafs") ) - - ------- Miscellaneous ----------------------------------------------- - , ( "cpp" , NoArg (updateState (\s -> s{ cpp_flag = True })) ) - , ( "#include" , HasArg (addCmdlineHCInclude) ) - , ( "no-link-chk" , NoArg (return ()) ) -- ignored for backwards compat - - ------- Output Redirection ------------------------------------------ - , ( "odir" , HasArg (writeIORef output_dir . Just) ) - , ( "o" , SepArg (writeIORef output_file . Just) ) - , ( "osuf" , HasArg (writeIORef output_suf . Just) ) - , ( "hisuf" , HasArg (writeIORef hi_suf) ) - , ( "tmpdir" , HasArg (writeIORef tmpdir . (++ "/")) ) - , ( "ohi" , HasArg (\s -> case s of - "-" -> writeIORef hi_on_stdout True - _ -> writeIORef output_hi (Just s)) ) - -- -odump? - - , ( "keep-hc-file" , AnySuffix (\_ -> writeIORef keep_hc_files True) ) - , ( "keep-s-file" , AnySuffix (\_ -> writeIORef keep_s_files True) ) - , ( "keep-raw-s-file", AnySuffix (\_ -> writeIORef keep_raw_s_files True) ) - , ( "keep-tmp-files" , AnySuffix (\_ -> writeIORef keep_tmp_files True) ) - - , ( "split-objs" , NoArg (if can_split - then do writeIORef split_object_files True - addOpt_C "-fglobalise-toplev-names" - addOpt_c "-DUSE_SPLIT_MARKERS" - else hPutStrLn stderr - "warning: don't know how to split \ - \object files on this architecture" - ) ) - - ------- Include/Import Paths ---------------------------------------- - , ( "i" , OptPrefix (addToDirList import_paths) ) - , ( "I" , Prefix (addToDirList include_paths) ) - - ------- Libraries --------------------------------------------------- - , ( "L" , Prefix (addToDirList library_paths) ) - , ( "l" , Prefix (add cmdline_libraries) ) - - ------- Packages ---------------------------------------------------- - , ( "package-name" , HasArg (\s -> addOpt_C ("-inpackage="++s)) ) - - , ( "package" , HasArg (addPackage) ) - , ( "syslib" , HasArg (addPackage) ) -- for compatibility w/ old vsns - - , ( "-list-packages" , NoArg (listPackages) ) - , ( "-add-package" , NoArg (newPackage) ) - , ( "-delete-package" , SepArg (deletePackage) ) - - ------- Specific phases -------------------------------------------- - , ( "pgmL" , HasArg (writeIORef pgm_L) ) - , ( "pgmP" , HasArg (writeIORef pgm_P) ) - , ( "pgmC" , HasArg (writeIORef pgm_C) ) - , ( "pgmc" , HasArg (writeIORef pgm_c) ) - , ( "pgmm" , HasArg (writeIORef pgm_m) ) - , ( "pgms" , HasArg (writeIORef pgm_s) ) - , ( "pgma" , HasArg (writeIORef pgm_a) ) - , ( "pgml" , HasArg (writeIORef pgm_l) ) - - , ( "optdep" , HasArg (addOpt_dep) ) - , ( "optL" , HasArg (addOpt_L) ) - , ( "optP" , HasArg (addOpt_P) ) - , ( "optC" , HasArg (addOpt_C) ) - , ( "optc" , HasArg (addOpt_c) ) - , ( "optm" , HasArg (addOpt_m) ) - , ( "opta" , HasArg (addOpt_a) ) - , ( "optl" , HasArg (addOpt_l) ) - , ( "optdll" , HasArg (addOpt_dll) ) - - ------ HsCpp opts --------------------------------------------------- - , ( "D" , Prefix (\s -> addOpt_P ("-D'"++s++"'") ) ) - , ( "U" , Prefix (\s -> addOpt_P ("-U'"++s++"'") ) ) - - ------ Warning opts ------------------------------------------------- - , ( "W" , NoArg (updateState (\s -> s{ warning_opt = W_ }))) - , ( "Wall" , NoArg (updateState (\s -> s{ warning_opt = W_all }))) - , ( "Wnot" , NoArg (updateState (\s -> s{ warning_opt = W_not }))) - , ( "w" , NoArg (updateState (\s -> s{ warning_opt = W_not }))) - - ----- Linker -------------------------------------------------------- - , ( "static" , NoArg (writeIORef static True) ) - - ------ Compiler RTS options ----------------------------------------- - , ( "H" , HasArg (newHeapSize . decodeSize) ) - , ( "K" , HasArg (newStackSize . decodeSize) ) - , ( "Rscale-sizes" , HasArg (floatOpt scale_sizes_by) ) - - ------ Debugging ---------------------------------------------------- - , ( "dstg-stats" , NoArg (writeIORef opt_StgStats True) ) - - , ( "dno-" , Prefix (\s -> addAntiOpt_C ("-d"++s)) ) - , ( "d" , AnySuffix (addOpt_C) ) - - ------ Machine dependant (-m<blah>) stuff --------------------------- - - , ( "monly-2-regs", NoArg (updateState (\s -> s{stolen_x86_regs = 2}) )) - , ( "monly-3-regs", NoArg (updateState (\s -> s{stolen_x86_regs = 3}) )) - , ( "monly-4-regs", NoArg (updateState (\s -> s{stolen_x86_regs = 4}) )) - - ------ Compiler flags ----------------------------------------------- - , ( "O2-for-C" , NoArg (writeIORef opt_minus_o2_for_C True) ) - , ( "O" , OptPrefix (setOptLevel) ) - - , ( "fglasgow-exts-no-lang", NoArg ( do addOpt_C "-fglasgow-exts") ) - - , ( "fglasgow-exts" , NoArg (do addOpt_C "-fglasgow-exts" - addPackage "lang")) - - , ( "fasm" , OptPrefix (\_ -> writeIORef hsc_lang HscAsm) ) - - , ( "fvia-c" , NoArg (writeIORef hsc_lang HscC) ) - , ( "fvia-C" , NoArg (writeIORef hsc_lang HscC) ) - - , ( "fno-asm-mangling" , NoArg (writeIORef do_asm_mangling False) ) - - , ( "fmax-simplifier-iterations", - Prefix (writeIORef opt_MaxSimplifierIterations . read) ) - - , ( "fusagesp" , NoArg (do writeIORef opt_UsageSPInf True - addOpt_C "-fusagesp-on") ) - - , ( "fexcess-precision" , NoArg (do updateState - (\s -> s{ excess_precision = True }) - addOpt_C "-fexcess-precision")) - - -- flags that are "active negatives" - , ( "fno-implicit-prelude" , PassFlag (addOpt_C) ) - , ( "fno-prune-tydecls" , PassFlag (addOpt_C) ) - , ( "fno-prune-instdecls" , PassFlag (addOpt_C) ) - , ( "fno-pre-inlining" , PassFlag (addOpt_C) ) - - -- All other "-fno-<blah>" options cancel out "-f<blah>" on the hsc cmdline - , ( "fno-", Prefix (\s -> addAntiOpt_C ("-f"++s)) ) - - -- Pass all remaining "-f<blah>" options to hsc - , ( "f", AnySuffix (addOpt_C) ) - ] - ------------------------------------------------------------------------------ --- Process command-line - -processArgs :: [(String,OptKind)] -> [String] -> [String] - -> IO [String] -- returns spare args -processArgs _spec [] spare = return (reverse spare) -processArgs spec args@(('-':_):_) spare = do - args' <- processOneArg spec args - processArgs spec args' spare -processArgs spec (arg:args) spare = - processArgs spec args (arg:spare) - -processOneArg :: [(String,OptKind)] -> [String] -> IO [String] -processOneArg spec (('-':arg):args) = do - let (rest,action) = findArg spec arg - dash_arg = '-':arg - case action of - - NoArg io -> - if rest == "" - then io >> return args - else unknownFlagErr dash_arg - - HasArg fio -> - if rest /= "" - then fio rest >> return args - else case args of - [] -> unknownFlagErr dash_arg - (arg1:args1) -> fio arg1 >> return args1 - - SepArg fio -> - case args of - [] -> unknownFlagErr dash_arg - (arg1:args1) -> fio arg1 >> return args1 - - Prefix fio -> - if rest /= "" - then fio rest >> return args - else unknownFlagErr dash_arg - - OptPrefix fio -> fio rest >> return args - - AnySuffix fio -> fio ('-':arg) >> return args - - PassFlag fio -> - if rest /= "" - then unknownFlagErr dash_arg - else fio ('-':arg) >> return args - -findArg :: [(String,OptKind)] -> String -> (String,OptKind) -findArg spec arg - = case [ (remove_spaces rest, k) | (pat,k) <- spec, - Just rest <- [my_prefix_match pat arg], - is_prefix k || null rest ] of - [] -> unknownFlagErr ('-':arg) - (one:_) -> one - -is_prefix (NoArg _) = False -is_prefix (SepArg _) = False -is_prefix (PassFlag _) = False -is_prefix _ = True - ------------------------------------------------------------------------------ --- convert sizes like "3.5M" into integers - -decodeSize :: String -> Integer -decodeSize str - | c == "" = truncate n - | c == "K" || c == "k" = truncate (n * 1000) - | c == "M" || c == "m" = truncate (n * 1000 * 1000) - | c == "G" || c == "g" = truncate (n * 1000 * 1000 * 1000) - | otherwise = throwDyn (OtherError ("can't decode size: " ++ str)) - where (m, c) = span pred str - n = read m :: Double - pred c = isDigit c || c == '.' - -floatOpt :: IORef Double -> String -> IO () -floatOpt ref str - = writeIORef ref (read str :: Double) - ------------------------------------------------------------------------------ --- Finding files in the installation - -GLOBAL_VAR(topDir, clibdir, String) - - -- grab the last -B option on the command line, and - -- set topDir to its value. -setTopDir :: [String] -> IO [String] -setTopDir args = do - let (minusbs, others) = partition (prefixMatch "-B") args - (case minusbs of - [] -> writeIORef topDir clibdir - some -> writeIORef topDir (drop 2 (last some))) - return others - -findFile name alt_path = unsafePerformIO (do - top_dir <- readIORef topDir - let installed_file = top_dir ++ '/':name - let inplace_file = top_dir ++ '/':cCURRENT_DIR ++ '/':alt_path - b <- doesFileExist inplace_file - if b then return inplace_file - else return installed_file - ) - ------------------------------------------------------------------------------ --- Utils - -my_partition :: (a -> Maybe b) -> [a] -> ([(a,b)],[a]) -my_partition _ [] = ([],[]) -my_partition p (a:as) - = let (bs,cs) = my_partition p as in - case p a of - Nothing -> (bs,a:cs) - Just b -> ((a,b):bs,cs) - -my_prefix_match :: String -> String -> Maybe String -my_prefix_match [] rest = Just rest -my_prefix_match (_:_) [] = Nothing -my_prefix_match (p:pat) (r:rest) - | p == r = my_prefix_match pat rest - | otherwise = Nothing - -prefixMatch :: Eq a => [a] -> [a] -> Bool -prefixMatch [] _str = True -prefixMatch _pat [] = False -prefixMatch (p:ps) (s:ss) | p == s = prefixMatch ps ss - | otherwise = False - -postfixMatch :: String -> String -> Bool -postfixMatch pat str = prefixMatch (reverse pat) (reverse str) - -later = flip finally - -my_catchDyn = flip catchDyn - -splitFilename :: String -> (String,String) -splitFilename f = (reverse (stripDot rev_basename), reverse rev_ext) - where (rev_ext, rev_basename) = span ('.' /=) (reverse f) - stripDot ('.':xs) = xs - stripDot xs = xs - -suffixOf :: String -> String -suffixOf s = drop_longest_prefix s '.' - -split :: Char -> String -> [String] -split c s = case rest of - [] -> [chunk] - _:rest -> chunk : split c rest - where (chunk, rest) = break (==c) s - -add :: IORef [a] -> a -> IO () -add var x = do - xs <- readIORef var - writeIORef var (x:xs) - -addNoDups :: Eq a => IORef [a] -> a -> IO () -addNoDups var x = do - xs <- readIORef var - unless (x `elem` xs) $ writeIORef var (x:xs) - -remove_suffix :: Char -> String -> String -remove_suffix c s - | null pre = reverse suf - | otherwise = reverse pre - where (suf,pre) = break (==c) (reverse s) - -drop_longest_prefix :: String -> Char -> String -drop_longest_prefix s c = reverse suf - where (suf,_pre) = break (==c) (reverse s) - -take_longest_prefix :: String -> Char -> String -take_longest_prefix s c = reverse pre - where (_suf,pre) = break (==c) (reverse s) - -newsuf :: String -> String -> String -newsuf suf s = remove_suffix '.' s ++ suf - --- getdir strips the filename off the input string, returning the directory. -getdir :: String -> String -getdir s = if null dir then "." else init dir - where dir = take_longest_prefix s '/' - -newdir :: String -> String -> String -newdir dir s = dir ++ '/':drop_longest_prefix s '/' - -remove_spaces :: String -> String -remove_spaces = reverse . dropWhile isSpace . reverse . dropWhile isSpace - ------------------------------------------------------------------------------ -- compatibility code #if __GLASGOW_HASKELL__ <= 408 |