X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fmain%2FDriverPipeline.hs;h=2482aaad0f5562b8907e55f3132635b1dddb6e34;hb=44ff838446af62da8d941dba6390e2a5a935f715;hp=52a6485287dfc5810125fdde09472dc8fe4aad25;hpb=47108330f6f832dd82aba3d125a1ad114f4a45e7;p=ghc-hetmet.git diff --git a/ghc/compiler/main/DriverPipeline.hs b/ghc/compiler/main/DriverPipeline.hs index 52a6485..2482aaa 100644 --- a/ghc/compiler/main/DriverPipeline.hs +++ b/ghc/compiler/main/DriverPipeline.hs @@ -1,9 +1,8 @@ ----------------------------------------------------------------------------- --- $Id: DriverPipeline.hs,v 1.84 2001/06/27 16:38:17 simonmar Exp $ -- -- GHC Driver -- --- (c) Simon Marlow 2000 +-- (c) The University of Glasgow 2002 -- ----------------------------------------------------------------------------- @@ -11,15 +10,14 @@ module DriverPipeline ( - -- interfaces for the batch-mode driver - GhcMode(..), getGhcMode, v_GhcMode, - genPipeline, runPipeline, pipeLoop, + -- Interfaces for the batch-mode driver + genPipeline, runPipeline, pipeLoop, staticLink, - -- interfaces for the compilation manager (interpreted/batch-mode) - preprocess, compile, CompResult(..), + -- Interfaces for the compilation manager (interpreted/batch-mode) + preprocess, + compile, CompResult(..), + link, - -- batch-mode linking interface - doLink, -- DLL building doMkDLL ) where @@ -27,14 +25,13 @@ module DriverPipeline ( #include "HsVersions.h" import Packages -import CmTypes import GetImports import DriverState import DriverUtil import DriverMkDepend import DriverPhases import DriverFlags -import SysTools ( newTempName, addFilesToClean, getSysMan ) +import SysTools ( newTempName, addFilesToClean, getSysMan, copy ) import qualified SysTools import HscMain import Finder @@ -46,50 +43,271 @@ import CmdLineOpts import Config import Panic import Util +import BasicTypes ( SuccessFlag(..) ) +import Maybes ( expectJust ) +import ParserCoreUtils ( getCoreModuleName ) + +import EXCEPTION +import DATA_IOREF ( readIORef, writeIORef ) + +#ifdef GHCI import Time ( getClockTime ) +#endif import Directory import System -import IOExts -import Exception - import IO import Monad import Maybe -import PackedString -import MatchPS ------------------------------------------------------------------------------ --- GHC modes of operation - -modeFlag :: String -> Maybe GhcMode -modeFlag "-M" = Just $ DoMkDependHS -modeFlag "--mk-dll" = Just $ DoMkDLL -modeFlag "-E" = Just $ StopBefore Hsc -modeFlag "-C" = Just $ StopBefore HCc -modeFlag "-S" = Just $ StopBefore As -modeFlag "-c" = Just $ StopBefore Ln -modeFlag "--make" = Just $ DoMake -modeFlag "--interactive" = Just $ DoInteractive -modeFlag _ = Nothing - -getGhcMode :: [String] - -> IO ( [String] -- rest of command line - , GhcMode - , String -- "GhcMode" flag - ) -getGhcMode flags - = case my_partition modeFlag flags of - ([] , rest) -> return (rest, DoLink, "") -- default is to do linking - ([(flag,one)], rest) -> return (rest, one, flag) - (_ , _ ) -> - throwDyn (UsageError - "only one of the flags -M, -E, -C, -S, -c, --make, --interactive, -mk-dll is allowed") +-- --------------------------------------------------------------------------- +-- Pre-process ------------------------------------------------------------------------------ --- genPipeline +-- Just preprocess a file, put the result in a temp. file (used by the +-- compilation manager during the summary phase). + +preprocess :: FilePath -> IO FilePath +preprocess filename = + ASSERT(haskellish_src_file filename) + do restoreDynFlags -- Restore to state of last save + let fInfo = (filename, getFileSuffix filename) + pipeline <- genPipeline (StopBefore Hsc) ("preprocess") False + defaultHscLang fInfo + (fn,_) <- runPipeline pipeline fInfo + False{-no linking-} False{-no -o flag-} + return fn + +-- --------------------------------------------------------------------------- +-- Compile + +-- Compile a single module, under the control of the compilation manager. -- +-- This is the interface between the compilation manager and the +-- compiler proper (hsc), where we deal with tedious details like +-- reading the OPTIONS pragma from the source file, and passing the +-- output of hsc through the C compiler. + +-- The driver sits between 'compile' and 'hscMain', translating calls +-- to the former into calls to the latter, and results from the latter +-- into results from the former. It does things like preprocessing +-- the .hs file if necessary, and compiling up the .stub_c files to +-- generate Linkables. + +-- NB. No old interface can also mean that the source has changed. + +compile :: GhciMode -- distinguish batch from interactive + -> Module + -> ModLocation + -> Bool -- True <=> source unchanged + -> Bool -- True <=> have object + -> Maybe ModIface -- old interface, if available + -> HomePackageTable -- For home-module stuff + -> PersistentCompilerState -- persistent compiler state + -> IO CompResult + +data CompResult + = CompOK PersistentCompilerState -- Updated PCS + ModDetails -- New details + ModIface -- New iface + (Maybe Linkable) -- New code; Nothing => compilation was not reqd + -- (old code is still valid) + + | CompErrs PersistentCompilerState -- Updated PCS + + +compile ghci_mode this_mod location + source_unchanged have_object + old_iface hpt pcs = do + + dyn_flags <- restoreDynFlags -- Restore to the state of the last save + + showPass dyn_flags + (showSDoc (text "Compiling" <+> ppr this_mod)) + + let verb = verbosity dyn_flags + let input_fn = expectJust "compile:hs" (ml_hs_file location) + let input_fnpp = expectJust "compile:hspp" (ml_hspp_file location) + let mod_name = moduleName this_mod + + when (verb >= 2) (hPutStrLn stderr ("compile: input file " ++ input_fnpp)) + + opts <- getOptionsFromSource input_fnpp + processArgs dynamic_flags opts [] + dyn_flags <- getDynFlags + + let hsc_lang = hscLang dyn_flags + (basename, _) = splitFilename input_fn + + keep_hc <- readIORef v_Keep_hc_files +#ifdef ILX + keep_il <- readIORef v_Keep_il_files +#endif + keep_s <- readIORef v_Keep_s_files + + output_fn <- + case hsc_lang of + HscAsm | keep_s -> return (basename ++ '.':phaseInputExt As) + | otherwise -> newTempName (phaseInputExt As) + HscC | keep_hc -> return (basename ++ '.':phaseInputExt HCc) + | otherwise -> newTempName (phaseInputExt HCc) + HscJava -> newTempName "java" -- ToDo +#ifdef ILX + HscILX | keep_il -> return (basename ++ '.':phaseInputExt Ilasm) + | otherwise -> newTempName (phaseInputExt Ilx2Il) +#endif + HscInterpreted -> return (error "no output file") + HscNothing -> return (error "no output file") + + let dyn_flags' = dyn_flags { hscOutName = output_fn, + hscStubCOutName = basename ++ "_stub.c", + hscStubHOutName = basename ++ "_stub.h", + extCoreName = basename ++ ".hcr" } + + -- -no-recomp should also work with --make + do_recomp <- readIORef v_Recomp + let source_unchanged' = source_unchanged && do_recomp + hsc_env = HscEnv { hsc_mode = ghci_mode, + hsc_dflags = dyn_flags', + hsc_HPT = hpt } + + -- run the compiler + hsc_result <- hscMain hsc_env pcs this_mod location + source_unchanged' have_object old_iface + + case hsc_result of + HscFail pcs -> return (CompErrs pcs) + + HscNoRecomp pcs details iface -> return (CompOK pcs details iface Nothing) + + HscRecomp pcs details iface + stub_h_exists stub_c_exists maybe_interpreted_code -> do + let + maybe_stub_o <- compileStub dyn_flags' stub_c_exists + let stub_unlinked = case maybe_stub_o of + Nothing -> [] + Just stub_o -> [ DotO stub_o ] + + (hs_unlinked, unlinked_time) <- + case hsc_lang of + + -- in interpreted mode, just return the compiled code + -- as our "unlinked" object. + HscInterpreted -> + case maybe_interpreted_code of +#ifdef GHCI + Just comp_bc -> do tm <- getClockTime + return ([BCOs comp_bc], tm) +#endif + Nothing -> panic "compile: no interpreted code" + + -- we're in batch mode: finish the compilation pipeline. + _other -> do pipe <- genPipeline (StopBefore Ln) "" True + hsc_lang (output_fn, getFileSuffix output_fn) + -- runPipeline takes input_fn so it can split off + -- the base name and use it as the base of + -- the output object file. + let (basename, suffix) = splitFilename input_fn + (o_file,_) <- + pipeLoop pipe (output_fn, getFileSuffix output_fn) + False False + basename suffix + o_time <- getModificationTime o_file + return ([DotO o_file], o_time) + + let linkable = LM unlinked_time mod_name + (hs_unlinked ++ stub_unlinked) + + return (CompOK pcs details iface (Just linkable)) + +----------------------------------------------------------------------------- +-- stub .h and .c files (for foreign export support) + +compileStub dflags stub_c_exists + | not stub_c_exists = return Nothing + | stub_c_exists = do + -- compile the _stub.c file w/ gcc + let stub_c = hscStubCOutName dflags + pipeline <- genPipeline (StopBefore Ln) "" True defaultHscLang (stub_c,"c") + (stub_o,_) <- runPipeline pipeline (stub_c,"c") False{-no linking-} + False{-no -o option-} + return (Just stub_o) + + +-- --------------------------------------------------------------------------- +-- Link + +link :: GhciMode -- interactive or batch + -> DynFlags -- dynamic flags + -> Bool -- attempt linking in batch mode? + -> HomePackageTable -- what to link + -> IO SuccessFlag + +-- For the moment, in the batch linker, we don't bother to tell doLink +-- which packages to link -- it just tries all that are available. +-- batch_attempt_linking should only be *looked at* in batch mode. It +-- should only be True if the upsweep was successful and someone +-- exports main, i.e., we have good reason to believe that linking +-- will succeed. + +#ifdef GHCI +link Interactive dflags batch_attempt_linking hpt + = do -- Not Linking...(demand linker will do the job) + return Succeeded +#endif + +link Batch dflags batch_attempt_linking hpt + | batch_attempt_linking + = do + let + home_mod_infos = moduleEnvElts hpt + + -- the packages we depend on + pkg_deps = concatMap (dep_pkgs . mi_deps . hm_iface) home_mod_infos + + -- the linkables to link + linkables = map hm_linkable home_mod_infos + + when (verb >= 3) $ do + hPutStrLn stderr "link: linkables are ..." + hPutStrLn stderr (showSDoc (vcat (map ppr linkables))) + + -- check for the -no-link flag + omit_linking <- readIORef v_NoLink + if omit_linking + then do when (verb >= 3) $ + hPutStrLn stderr "link(batch): linking omitted (-no-link flag given)." + return Succeeded + else do + + when (verb >= 1) $ + hPutStrLn stderr "Linking ..." + + let getOfiles (LM _ _ us) = map nameOfObject (filter isObject us) + obj_files = concatMap getOfiles linkables + + -- Don't showPass in Batch mode; doLink will do that for us. + staticLink obj_files pkg_deps + + when (verb >= 3) (hPutStrLn stderr "link: done") + + -- staticLink only returns if it succeeds + return Succeeded + + | otherwise + = do when (verb >= 3) $ do + hPutStrLn stderr "link(batch): upsweep (partially) failed OR" + hPutStrLn stderr " Main.main not exported; not linking." + return Succeeded + where + verb = verbosity dflags + + + + +-- -------------------------------------------------------------------------- +-- genPipeline: Pipeline construction + -- Herein is all the magic about which phases to run in which order, whether -- the intermediate files should be in TMPDIR or in the current directory, -- what the suffix of the intermediate files should be, etc. @@ -120,22 +338,26 @@ data IntermediateFileType deriving (Eq, Show) genPipeline - :: GhcMode -- when to stop - -> String -- "stop after" flag (for error messages) - -> Bool -- True => output is persistent - -> HscLang -- preferred output language for hsc - -> String -- original filename + :: GhcMode -- when to stop + -> String -- "stop after" flag (for error messages) + -> Bool -- True => output is persistent + -> HscLang -- preferred output language for hsc + -> (FilePath, String) -- original filename & its suffix -> IO [ -- list of phases to run for this file (Phase, IntermediateFileType, -- keep the output from this phase? String) -- output file suffix ] -genPipeline todo stop_flag persistent_output lang filename +genPipeline todo stop_flag persistent_output lang (filename,suffix) = do split <- readIORef v_Split_object_files mangle <- readIORef v_Do_asm_mangling keep_hc <- readIORef v_Keep_hc_files +#ifdef ILX + keep_il <- readIORef v_Keep_il_files + keep_ilx <- readIORef v_Keep_ilx_files +#endif keep_raw_s <- readIORef v_Keep_raw_s_files keep_s <- readIORef v_Keep_s_files osuf <- readIORef v_Object_suf @@ -143,8 +365,6 @@ genPipeline todo stop_flag persistent_output lang filename let ----------- ----- ---- --- -- -- - - - - (_basename, suffix) = splitFilename filename - start = startPhase suffix -- special case for mkdependHS: .hspp files go through MkDependHS @@ -160,26 +380,34 @@ genPipeline todo stop_flag persistent_output lang filename let ----------- ----- ---- --- -- -- - - - - pipeline - | todo == DoMkDependHS = [ Unlit, Cpp, MkDependHS ] + pipeline = preprocess ++ compile + + preprocess + | haskellish = [ Unlit, Cpp, HsPp ] + | otherwise = [ ] + + compile + | todo == DoMkDependHS = [ MkDependHS ] + + | cish = [ Cc, As ] | haskellish = case real_lang of - HscC | split && mangle -> [ Unlit, Cpp, Hsc, HCc, Mangle, - SplitMangle, SplitAs ] - | mangle -> [ Unlit, Cpp, Hsc, HCc, Mangle, As ] + HscC | split && mangle -> [ Hsc, HCc, Mangle, SplitMangle, SplitAs ] + | mangle -> [ Hsc, HCc, Mangle, As ] | split -> not_valid - | otherwise -> [ Unlit, Cpp, Hsc, HCc, As ] + | otherwise -> [ Hsc, HCc, As ] - HscAsm | split -> [ Unlit, Cpp, Hsc, SplitMangle, SplitAs ] - | otherwise -> [ Unlit, Cpp, Hsc, As ] + HscAsm | split -> [ Hsc, SplitMangle, SplitAs ] + | otherwise -> [ Hsc, As ] HscJava | split -> not_valid | otherwise -> error "not implemented: compiling via Java" +#ifdef ILX HscILX | split -> not_valid - | otherwise -> [ Unlit, Cpp, Hsc ] - - | cish = [ Cc, As ] + | otherwise -> [ Hsc, Ilx2Il, Ilasm ] +#endif + HscNothing -> [ Hsc, HCc ] -- HCc is a dummy stop phase | otherwise = [ ] -- just pass this file through to the linker @@ -188,33 +416,37 @@ genPipeline todo stop_flag persistent_output lang filename stop_phase = case todo of StopBefore As | split -> SplitAs +#ifdef ILX + | real_lang == HscILX -> Ilasm +#endif StopBefore phase -> phase DoMkDependHS -> Ln DoLink -> Ln + DoMkDLL -> Ln ----------- ----- ---- --- -- -- - - - -- this shouldn't happen. - if start_phase /= Ln && start_phase `notElem` pipeline - then throwDyn (CmdLineError ("can't find starting phase for " - ++ filename)) - else do - + when (start_phase /= Ln && start_phase `notElem` pipeline) + (throwDyn (CmdLineError ("can't find starting phase for " + ++ filename))) -- if we can't find the phase we're supposed to stop before, -- something has gone wrong. This test carefully avoids the -- case where we aren't supposed to do any compilation, because the file -- is already in linkable form (for example). - if start_phase `elem` pipeline && - (stop_phase /= Ln && stop_phase `notElem` pipeline) - then throwDyn (UsageError - ("flag " ++ stop_flag - ++ " is incompatible with source file `" ++ filename ++ "'")) - else do - +-- hPutStrLn stderr (show ((start_phase `elem` pipeline,stop_phase /= Ln,stop_phase `notElem` pipeline), start_phase, stop_phase, pipeline,todo)) +-- hFlush stderr + when (start_phase `elem` pipeline && + (stop_phase /= Ln && stop_phase `notElem` pipeline)) + (do + throwDyn (UsageError + ("flag `" ++ stop_flag + ++ "' is incompatible with source file `" + ++ filename ++ "'" ++ show pipeline ++ show stop_phase))) let -- .o and .hc suffixes can be overriden by command-line options: - myPhaseInputExt Ln | Just s <- osuf = s myPhaseInputExt HCc | Just s <- hcsuf = s - myPhaseInputExt other = phaseInputExt other + myPhaseInputExt Ln = osuf + myPhaseInputExt other = phaseInputExt other annotatePipeline :: [Phase] -- raw pipeline @@ -235,6 +467,10 @@ genPipeline todo stop_flag persistent_output lang filename Mangle | keep_raw_s -> Persistent As | keep_s -> Persistent HCc | keep_hc -> Persistent +#ifdef ILX + Ilx2Il | keep_ilx -> Persistent + Ilasm | keep_il -> Persistent +#endif _other -> Temporary -- add information about output files to the pipeline @@ -256,37 +492,75 @@ genPipeline todo stop_flag persistent_output lang filename runPipeline :: [ (Phase, IntermediateFileType, String) ] -- phases to run - -> String -- input file + -> (String,String) -- input file -> Bool -- doing linking afterward? -> Bool -- take into account -o when generating output? - -> IO String -- return final filename + -> IO (String, String) -- return final filename -runPipeline pipeline input_fn do_linking use_ofile - = pipeLoop pipeline input_fn do_linking use_ofile basename suffix - where (basename, suffix) = splitFilename input_fn +runPipeline pipeline (input_fn,suffix) do_linking use_ofile + = pipeLoop pipeline (input_fn,suffix) do_linking use_ofile basename suffix + where (basename, _) = splitFilename input_fn pipeLoop [] input_fn _ _ _ _ = return input_fn -pipeLoop ((phase, keep, o_suffix):phases) - input_fn do_linking use_ofile orig_basename orig_suffix +pipeLoop (all_phases@((phase, keep, o_suffix):phases)) + (input_fn,real_suff) do_linking use_ofile orig_basename orig_suffix = do output_fn <- outputFileName (null phases) keep o_suffix - carry_on <- run_phase phase orig_basename orig_suffix input_fn output_fn + mbCarryOn <- run_phase phase orig_basename orig_suffix + input_fn output_fn -- sometimes we bail out early, eg. when the compiler's recompilation -- checker has determined that recompilation isn't necessary. - if not carry_on - then do let (_,keep,final_suffix) = last phases - ofile <- outputFileName True keep final_suffix - return ofile - else do -- carry on ... - - pipeLoop phases output_fn do_linking use_ofile orig_basename orig_suffix - + case mbCarryOn of + Nothing -> do + let (_,keep,final_suffix) = last all_phases + ofile <- outputFileName True keep final_suffix + return (ofile, final_suffix) + -- carry on ... + Just fn -> do + {- + Check to see whether we've reached the end of the + pipeline, but did so with an ineffective last stage. + (i.e., it returned the input_fn as the output filename). + + If we did and the output is persistent, copy the contents + of input_fn into the file where the pipeline's output is + expected to end up. + -} + atEnd <- finalStage (null phases) + when (atEnd && fn == input_fn) + (copy "Saving away compilation pipeline's output" + input_fn + output_fn) + {- + Notice that in order to keep the invariant that we can + determine a compilation pipeline's 'start phase' just + by looking at the input filename, the input filename + to the next stage/phase is associated here with the suffix + of the output file, *even* if it does not have that + suffix in reality. + + Why is this important? Because we may run a compilation + pipeline in stages (cf. Main.main.compileFile's two stages), + so when generating the next stage we need to be precise + about what kind of file (=> suffix) is given as input. + + [Not having to generate a pipeline in stages seems like + the right way to go, but I've punted on this for now --sof] + + -} + pipeLoop phases (fn, o_suffix) do_linking use_ofile + orig_basename orig_suffix where + finalStage lastPhase = do + o_file <- readIORef v_Output_file + return (lastPhase && not do_linking && use_ofile && isJust o_file) + outputFileName last_phase keep suffix = do o_file <- readIORef v_Output_file - if last_phase && not do_linking && use_ofile && isJust o_file + atEnd <- finalStage last_phase + if atEnd then case o_file of Just s -> return s Nothing -> error "outputFileName" @@ -294,13 +568,28 @@ pipeLoop ((phase, keep, o_suffix):phases) then odir_ify (orig_basename ++ '.':suffix) else newTempName suffix +run_phase :: Phase + -> String -- basename of original input source + -> String -- its extension + -> FilePath -- name of file which contains the input to this phase. + -> FilePath -- where to stick the result. + -> IO (Maybe FilePath) + -- Nothing => stop the compilation pipeline + -- Just fn => the result of this phase can be found in 'fn' + -- (this can either be 'input_fn' or 'output_fn'). ------------------------------------------------------------------------------- -- Unlit phase run_phase Unlit _basename _suff input_fn output_fn = do unlit_flags <- getOpts opt_L - SysTools.runUnlit (unlit_flags ++ ["-h", input_fn, input_fn, output_fn]) - return True + -- The -h option passes the file name for unlit to put in a #line directive + SysTools.runUnlit (map SysTools.Option unlit_flags ++ + [ SysTools.Option "-h" + , SysTools.Option input_fn + , SysTools.FileOption "" input_fn + , SysTools.FileOption "" output_fn + ]) + return (Just output_fn) ------------------------------------------------------------------------------- -- Cpp phase @@ -311,88 +600,105 @@ run_phase Cpp basename suff input_fn output_fn checkProcessArgsResult unhandled_flags basename suff do_cpp <- dynFlag cppFlag - if do_cpp - then do + if not do_cpp then + -- no need to preprocess CPP, just pass input file along + -- to the next phase of the pipeline. + return (Just input_fn) + else do hscpp_opts <- getOpts opt_P hs_src_cpp_opts <- readIORef v_Hs_source_cpp_opts cmdline_include_paths <- readIORef v_Include_paths - pkg_include_dirs <- getPackageIncludePath - let include_paths = map (\p -> "-I"++p) (cmdline_include_paths - ++ pkg_include_dirs) + + pkg_include_dirs <- getPackageIncludePath [] + let include_paths = foldr (\ x xs -> "-I" : x : xs) [] + (cmdline_include_paths ++ pkg_include_dirs) verb <- getVerbFlag (md_c_flags, _) <- machdepCCOpts - SysTools.runCpp ([verb] - ++ include_paths - ++ hs_src_cpp_opts - ++ hscpp_opts - ++ md_c_flags - ++ [ "-x", "c", input_fn, "-o", output_fn ]) - - -- ToDo: switch away from using 'echo' altogether (but need - -- a faster alternative than what's done below). -#if defined(mingw32_TARGET_OS) && defined(MINIMAL_UNIX_DEPS) - else (do - h <- openFile output_fn WriteMode - hPutStrLn h ("{-# LINE 1 \"" ++ input_fn ++ "\" #-}") - ls <- readFile input_fn -- inefficient, but it'll do for now. - -- ToDo: speed up via slurping. - hPutStrLn h ls - hClose h) `catchAllIO` - (\_ -> throwDyn (PhaseFailed "Ineffective C pre-processor" (ExitFailure 1))) -#else - else do - SysTools.runSomething "Ineffective C pre-processor" - ("echo '{-# LINE 1 \"" ++ input_fn ++ "\" #-}' > " - ++ output_fn ++ " && cat " ++ input_fn - ++ " >> " ++ output_fn) [] -#endif - return True + SysTools.runCpp ([SysTools.Option verb] + ++ map SysTools.Option include_paths + ++ map SysTools.Option hs_src_cpp_opts + ++ map SysTools.Option hscpp_opts + ++ map SysTools.Option md_c_flags + ++ [ SysTools.Option "-x" + , SysTools.Option "c" + , SysTools.Option input_fn + -- We hackily use Option instead of FileOption here, so that the file + -- name is not back-slashed on Windows. cpp is capable of + -- dealing with / in filenames, so it works fine. Furthermore + -- if we put in backslashes, cpp outputs #line directives + -- with *double* backslashes. And that in turn means that + -- our error messages get double backslashes in them. + -- In due course we should arrange that the lexer deals + -- with these \\ escapes properly. + , SysTools.Option "-o" + , SysTools.FileOption "" output_fn + ]) + return (Just output_fn) + +------------------------------------------------------------------------------- +-- HsPp phase + +run_phase HsPp basename suff input_fn output_fn + = do let orig_fn = basename ++ '.':suff + do_pp <- dynFlag ppFlag + if not do_pp then + -- no need to preprocess, just pass input file along + -- to the next phase of the pipeline. + return (Just input_fn) + else do + hspp_opts <- getOpts opt_F + hs_src_pp_opts <- readIORef v_Hs_source_pp_opts + SysTools.runPp ( [ SysTools.Option orig_fn + , SysTools.Option input_fn + , SysTools.FileOption "" output_fn + ] ++ + map SysTools.Option hs_src_pp_opts ++ + map SysTools.Option hspp_opts + ) + return (Just output_fn) ----------------------------------------------------------------------------- -- MkDependHS phase -run_phase MkDependHS basename suff input_fn _output_fn = do - src <- readFile input_fn - let (import_sources, import_normals, _) = getImports src - - let orig_fn = basename ++ '.':suff - deps_sources <- mapM (findDependency True orig_fn) import_sources - deps_normals <- mapM (findDependency False orig_fn) import_normals - let deps = deps_sources ++ deps_normals - - osuf_opt <- readIORef v_Object_suf - let osuf = case osuf_opt of - Nothing -> phaseInputExt Ln - Just s -> s - - extra_suffixes <- readIORef v_Dep_suffixes - let suffixes = osuf : map (++ ('_':osuf)) extra_suffixes - ofiles = map (\suf -> basename ++ '.':suf) suffixes - - objs <- mapM odir_ify ofiles - +run_phase MkDependHS basename suff input_fn output_fn + = do src <- readFile input_fn + let (import_sources, import_normals, _) = getImports src + let orig_fn = basename ++ '.':suff + deps_sources <- mapM (findDependency True orig_fn) import_sources + deps_normals <- mapM (findDependency False orig_fn) import_normals + let deps = deps_sources ++ deps_normals + + osuf <- readIORef v_Object_suf + + extra_suffixes <- readIORef v_Dep_suffixes + let suffixes = osuf : map (++ ('_':osuf)) extra_suffixes + ofiles = map (\suf -> basename ++ '.':suf) suffixes + + objs <- mapM odir_ify ofiles + -- Handle for file that accumulates dependencies - hdl <- readIORef v_Dep_tmp_hdl + hdl <- readIORef v_Dep_tmp_hdl -- std dependency of the object(s) on the source file - hPutStrLn hdl (unwords objs ++ " : " ++ basename ++ '.':suff) - - let genDep (dep, False {- not an hi file -}) = - hPutStrLn hdl (unwords objs ++ " : " ++ dep) - genDep (dep, True {- is an hi file -}) = do - hisuf <- readIORef v_Hi_suf - let dep_base = remove_suffix '.' dep - deps = (dep_base ++ hisuf) - : map (\suf -> dep_base ++ suf ++ '_':hisuf) extra_suffixes + hPutStrLn hdl (unwords (map escapeSpaces objs) ++ " : " ++ + escapeSpaces (basename ++ '.':suff)) + + let genDep (dep, False {- not an hi file -}) = + hPutStrLn hdl (unwords (map escapeSpaces objs) ++ " : " ++ + escapeSpaces dep) + genDep (dep, True {- is an hi file -}) = do + hisuf <- readIORef v_Hi_suf + let dep_base = remove_suffix '.' dep + deps = (dep_base ++ hisuf) + : map (\suf -> dep_base ++ suf ++ '_':hisuf) extra_suffixes -- length objs should be == length deps - sequence_ (zipWith (\o d -> hPutStrLn hdl (o ++ " : " ++ d)) objs deps) + sequence_ (zipWith (\o d -> hPutStrLn hdl (escapeSpaces o ++ " : " ++ escapeSpaces d)) objs deps) - mapM genDep [ d | Just d <- deps ] - - return True + sequence_ (map genDep [ d | Just d <- deps ]) + return (Just output_fn) -- add the lines to dep_makefile: -- always: @@ -412,6 +718,7 @@ run_phase MkDependHS basename suff input_fn _output_fn = do -- (where .o is $osuf, and the other suffixes come from -- the cmdline -s options). + ----------------------------------------------------------------------------- -- Hsc phase @@ -423,31 +730,24 @@ run_phase Hsc basename suff input_fn output_fn -- we add the current directory (i.e. the directory in which -- the .hs files resides) to the import path, since this is -- what gcc does, and it's probably what you want. - let current_dir = getdir basename + let current_dir = directoryOf basename paths <- readIORef v_Include_paths writeIORef v_Include_paths (current_dir : paths) - -- figure out which header files to #include in a generated .hc file - c_includes <- getPackageCIncludes - cmdline_includes <- dynFlag cmdlineHcIncludes -- -#include options - - let cc_injects = unlines (map mk_include - (c_includes ++ reverse cmdline_includes)) - mk_include h_file = - case h_file of - '"':_{-"-} -> "#include "++h_file - '<':_ -> "#include "++h_file - _ -> "#include \""++h_file++"\"" - - writeIORef v_HCHeader cc_injects - -- gather the imports and module name - (srcimps,imps,mod_name) <- getImportsFromFile input_fn - - -- build a ModuleLocation to pass to hscMain. - Just (mod, location') - <- mkHomeModuleLocn mod_name basename (Just (basename ++ '.':suff)) + (_,_,mod_name) <- + if extcoreish_suffix suff + then do + -- no explicit imports in ExtCore input. + m <- getCoreModuleName input_fn + return ([], [], mkModuleName m) + else + getImportsFromFile input_fn + + -- build a ModLocation to pass to hscMain. + let (path,file) = splitFilenameDir basename + (mod, location') <- mkHomeModLocation mod_name True path file suff -- take -ohi into account if present ohi <- readIORef v_Output_hi @@ -466,10 +766,13 @@ run_phase Hsc basename suff input_fn output_fn do_recomp <- readIORef v_Recomp todo <- readIORef v_GhcMode expl_o_file <- readIORef v_Output_file - let o_file = - case expl_o_file of - Nothing -> unJust "source_unchanged" (ml_obj_file location) - Just x -> x + + let o_file -- if the -o option is given and IT IS THE OBJECT FILE FOR + -- THIS COMPILATION, then use that to determine if the + -- source is unchanged. + | Just x <- expl_o_file, todo == StopBefore Ln = x + | otherwise = ml_obj_file location + source_unchanged <- if not (do_recomp && ( todo == DoLink || todo == StopBefore Ln )) then return False @@ -488,37 +791,38 @@ run_phase Hsc basename suff input_fn output_fn let dyn_flags' = dyn_flags { hscOutName = output_fn, hscStubCOutName = basename ++ "_stub.c", hscStubHOutName = basename ++ "_stub.h", - extCoreName = basename ++ ".core" } + extCoreName = basename ++ ".hcr" } + hsc_env = HscEnv { hsc_mode = OneShot, + hsc_dflags = dyn_flags', + hsc_HPT = emptyHomePackageTable } + -- run the compiler! pcs <- initPersistentCompilerState - result <- hscMain OneShot - dyn_flags' mod + result <- hscMain hsc_env pcs mod location{ ml_hspp_file=Just input_fn } source_unchanged False Nothing -- no iface - emptyModuleEnv -- HomeSymbolTable - emptyModuleEnv -- HomeIfaceTable - pcs case result of { HscFail pcs -> throwDyn (PhaseFailed "hsc" (ExitFailure 1)); HscNoRecomp pcs details iface -> do { SysTools.touch "Touching object file" o_file - ; return False } ; + ; return Nothing } ; - HscRecomp pcs details iface stub_h_exists stub_c_exists + HscRecomp _pcs _details _iface stub_h_exists stub_c_exists _maybe_interpreted_code -> do - -- deal with stubs - maybe_stub_o <- compileStub dyn_flags' stub_c_exists - case maybe_stub_o of - Nothing -> return () - Just stub_o -> add v_Ld_inputs stub_o - - return True + -- deal with stubs + maybe_stub_o <- compileStub dyn_flags' stub_c_exists + case maybe_stub_o of + Nothing -> return () + Just stub_o -> add v_Ld_inputs stub_o + case hscLang dyn_flags of + HscNothing -> return Nothing + _ -> return (Just output_fn) } ----------------------------------------------------------------------------- @@ -530,16 +834,19 @@ run_phase Hsc basename suff input_fn output_fn run_phase cc_phase basename suff input_fn output_fn | cc_phase == Cc || cc_phase == HCc = do cc_opts <- getOpts opt_c - cmdline_include_dirs <- readIORef v_Include_paths + cmdline_include_paths <- readIORef v_Include_paths let hcc = cc_phase == HCc - -- add package include paths even if we're just compiling - -- .c files; this is the Value Add(TM) that using - -- ghc instead of gcc gives you :) - pkg_include_dirs <- getPackageIncludePath - let include_paths = map (\p -> "-I"++p) (cmdline_include_dirs - ++ pkg_include_dirs) + -- HC files have the dependent packages stamped into them + pkgs <- if hcc then getHCFilePackages input_fn else return [] + + -- add package include paths even if we're just compiling .c + -- files; this is the Value Add(TM) that using ghc instead of + -- gcc gives you :) + pkg_include_dirs <- getPackageIncludePath pkgs + let include_paths = foldr (\ x xs -> "-I" : x : xs) [] + (cmdline_include_paths ++ pkg_include_dirs) mangle <- readIORef v_Do_asm_mangling (md_c_flags, md_regd_c_flags) <- machdepCCOpts @@ -550,15 +857,27 @@ run_phase cc_phase basename suff input_fn output_fn let opt_flag | o2 = "-O2" | otherwise = "-O" - pkg_extra_cc_opts <- getPackageExtraCcOpts + pkg_extra_cc_opts <- getPackageExtraCcOpts pkgs split_objs <- readIORef v_Split_object_files let split_opt | hcc && split_objs = [ "-DUSE_SPLIT_MARKERS" ] | otherwise = [ ] excessPrecision <- readIORef v_Excess_precision - SysTools.runCc ([ "-x", "c", input_fn, "-o", output_fn ] - ++ md_c_flags + + -- force the C compiler to interpret this file as C when + -- compiling .hc files, by adding the -x c option. + let langopt + | cc_phase == HCc = [ SysTools.Option "-x", SysTools.Option "c"] + | otherwise = [ ] + + SysTools.runCc (langopt ++ + [ SysTools.FileOption "" input_fn + , SysTools.Option "-o" + , SysTools.FileOption "" output_fn + ] + ++ map SysTools.Option ( + md_c_flags ++ (if cc_phase == HCc && mangle then md_regd_c_flags else []) @@ -569,8 +888,8 @@ run_phase cc_phase basename suff input_fn output_fn ++ (if excessPrecision then [] else [ "-ffloat-store" ]) ++ include_paths ++ pkg_extra_cc_opts - ) - return True + )) + return (Just output_fn) -- ToDo: postprocess the output from gcc @@ -584,21 +903,26 @@ run_phase Mangle _basename _suff input_fn output_fn return [ show n_regs ] else return [] - SysTools.runMangle (mangler_opts - ++ [ input_fn, output_fn ] - ++ machdep_opts) - return True + SysTools.runMangle (map SysTools.Option mangler_opts + ++ [ SysTools.FileOption "" input_fn + , SysTools.FileOption "" output_fn + ] + ++ map SysTools.Option machdep_opts) + return (Just output_fn) ----------------------------------------------------------------------------- -- Splitting phase -run_phase SplitMangle _basename _suff input_fn _output_fn +run_phase SplitMangle _basename _suff input_fn output_fn = do -- tmp_pfx is the prefix used for the split .s files -- We also use it as the file to contain the no. of split .s files (sigh) split_s_prefix <- SysTools.newTempName "split" let n_files_fn = split_s_prefix - SysTools.runSplit [input_fn, split_s_prefix, n_files_fn] + SysTools.runSplit [ SysTools.FileOption "" input_fn + , SysTools.FileOption "" split_s_prefix + , SysTools.FileOption "" n_files_fn + ] -- Save the number of split files for future references s <- readFile n_files_fn @@ -609,7 +933,7 @@ run_phase SplitMangle _basename _suff input_fn _output_fn addFilesToClean [ split_s_prefix ++ "__" ++ show n ++ ".s" | n <- [1..n_files]] - return True + return (Just output_fn) ----------------------------------------------------------------------------- -- As phase @@ -618,30 +942,70 @@ run_phase As _basename _suff input_fn output_fn = do as_opts <- getOpts opt_a cmdline_include_paths <- readIORef v_Include_paths - SysTools.runAs (as_opts - ++ [ "-I" ++ p | p <- cmdline_include_paths ] - ++ [ "-c", input_fn, "-o", output_fn ]) - return True + SysTools.runAs (map SysTools.Option as_opts + ++ [ SysTools.Option ("-I" ++ p) | p <- cmdline_include_paths ] + ++ [ SysTools.Option "-c" + , SysTools.FileOption "" input_fn + , SysTools.Option "-o" + , SysTools.FileOption "" output_fn + ]) + return (Just output_fn) -run_phase SplitAs basename _suff _input_fn _output_fn +run_phase SplitAs basename _suff _input_fn output_fn = do as_opts <- getOpts opt_a (split_s_prefix, n) <- readIORef v_Split_info odir <- readIORef v_Output_dir let real_odir = case odir of - Nothing -> basename + Nothing -> basename ++ "_split" Just d -> d let assemble_file n = do let input_s = split_s_prefix ++ "__" ++ show n ++ ".s" - let output_o = newdir real_odir + let output_o = replaceFilenameDirectory (basename ++ "__" ++ show n ++ ".o") + real_odir real_o <- osuf_ify output_o - SysTools.runAs (as_opts ++ ["-c", "-o", real_o, input_s]) + SysTools.runAs (map SysTools.Option as_opts ++ + [ SysTools.Option "-c" + , SysTools.Option "-o" + , SysTools.FileOption "" real_o + , SysTools.FileOption "" input_s + ]) mapM_ assemble_file [1..n] - return True + return (Just output_fn) + +#ifdef ILX +----------------------------------------------------------------------------- +-- Ilx2Il phase +-- Run ilx2il over the ILX output, getting an IL file + +run_phase Ilx2Il _basename _suff input_fn output_fn + = do ilx2il_opts <- getOpts opt_I + SysTools.runIlx2il (map SysTools.Option ilx2il_opts + ++ [ SysTools.Option "--no-add-suffix-to-assembly", + SysTools.Option "mscorlib", + SysTools.Option "-o", + SysTools.FileOption "" output_fn, + SysTools.FileOption "" input_fn ]) + return (Just output_fn) + +----------------------------------------------------------------------------- +-- Ilasm phase +-- Run ilasm over the IL, getting a DLL + +run_phase Ilasm _basename _suff input_fn output_fn + = do ilasm_opts <- getOpts opt_i + SysTools.runIlasm (map SysTools.Option ilasm_opts + ++ [ SysTools.Option "/QUIET", + SysTools.Option "/DLL", + SysTools.FileOption "/OUT=" output_fn, + SysTools.FileOption "" input_fn ]) + return (Just output_fn) + +#endif -- ILX ----------------------------------------------------------------------------- -- MoveBinary sort-of-phase @@ -649,7 +1013,7 @@ run_phase SplitAs basename _suff _input_fn _output_fn -- wrapper script calling the binary. Currently, we need this only in -- a parallel way (i.e. in GUM), because PVM expects the binary in a -- central directory. --- This is called from doLink below, after linking. I haven't made it +-- This is called from staticLink below, after linking. I haven't made it -- a separate phase to minimise interfering with other modules, and -- we don't need the generality of a phase (MoveBinary is always -- done after linking and makes only sense in a parallel setup) -- HWL @@ -731,73 +1095,112 @@ mk_pvm_wrapper_script pvm_executable pvm_executable_base sysMan = unlines $ -- Complain about non-dynamic flags in OPTIONS pragmas checkProcessArgsResult flags basename suff - = do when (not (null flags)) (throwDyn (ProgramError ( - basename ++ "." ++ suff - ++ ": static flags are not allowed in {-# OPTIONS #-} pragmas:\n\t" - ++ unwords flags)) (ExitFailure 1)) + = do when (notNull flags) (throwDyn (ProgramError ( + showSDoc (hang (text basename <> text ('.':suff) <> char ':') + 4 (text "unknown flags in {-# OPTIONS #-} pragma:" <+> + hsep (map text flags))) + ))) ----------------------------------------------------------------------------- --- Linking +-- Look for the /* GHC_PACKAGES ... */ comment at the top of a .hc file + +getHCFilePackages :: FilePath -> IO [PackageName] +getHCFilePackages filename = + EXCEPTION.bracket (openFile filename ReadMode) hClose $ \h -> do + l <- hGetLine h + case l of + '/':'*':' ':'G':'H':'C':'_':'P':'A':'C':'K':'A':'G':'E':'S':rest -> + return (map mkPackageName (words rest)) + _other -> + return [] + +----------------------------------------------------------------------------- +-- Static linking, of .o files + +-- The list of packages passed to link is the list of packages on +-- which this program depends, as discovered by the compilation +-- manager. It is combined with the list of packages that the user +-- specifies on the command line with -package flags. +-- +-- In one-shot linking mode, we can't discover the package +-- dependencies (because we haven't actually done any compilation or +-- read any interface files), so the user must explicitly specify all +-- the packages. -doLink :: [String] -> IO () -doLink o_files = do +staticLink :: [FilePath] -> [PackageName] -> IO () +staticLink o_files dep_packages = do verb <- getVerbFlag static <- readIORef v_Static no_hs_main <- readIORef v_NoHsMain + -- get the full list of packages to link with, by combining the + -- explicit packages with the auto packages and all of their + -- dependencies, and eliminating duplicates. + o_file <- readIORef v_Output_file let output_fn = case o_file of { Just s -> s; Nothing -> "a.out"; } - pkg_lib_paths <- getPackageLibraryPath + pkg_lib_paths <- getPackageLibraryPath dep_packages let pkg_lib_path_opts = map ("-L"++) pkg_lib_paths lib_paths <- readIORef v_Library_paths let lib_path_opts = map ("-L"++) lib_paths - pkg_libs <- getPackageLibraries - let imp = if static then "" else "_imp" - pkg_lib_opts = map (\lib -> "-l" ++ lib ++ imp) pkg_libs + pkg_link_opts <- getPackageLinkOpts dep_packages - libs <- readIORef v_Cmdline_libraries - let lib_opts = map ("-l"++) (reverse libs) - -- reverse because they're added in reverse order from the cmd line +#ifdef darwin_TARGET_OS + pkg_framework_paths <- getPackageFrameworkPath dep_packages + let pkg_framework_path_opts = map ("-F"++) pkg_framework_paths + + framework_paths <- readIORef v_Framework_paths + let framework_path_opts = map ("-F"++) framework_paths + + pkg_frameworks <- getPackageFrameworks dep_packages + let pkg_framework_opts = concat [ ["-framework", fw] | fw <- pkg_frameworks ] - pkg_extra_ld_opts <- getPackageExtraLdOpts + frameworks <- readIORef v_Cmdline_frameworks + let framework_opts = concat [ ["-framework", fw] | fw <- reverse frameworks ] + -- reverse because they're added in reverse order from the cmd line +#endif -- probably _stub.o files extra_ld_inputs <- readIORef v_Ld_inputs - -- opts from -optl- + -- opts from -optl- (including -l options) extra_ld_opts <- getStaticOpts v_Opt_l - rts_pkg <- getPackageDetails ["rts"] - std_pkg <- getPackageDetails ["std"] + [rts_pkg, std_pkg] <- getPackageDetails [rtsPackage, basePackage] + let extra_os = if static || no_hs_main then [] - else [ head (library_dirs (head rts_pkg)) ++ "/Main.dll_o", - head (library_dirs (head std_pkg)) ++ "/PrelMain.dll_o" ] + else [ head (library_dirs rts_pkg) ++ "/Main.dll_o", + head (library_dirs std_pkg) ++ "/PrelMain.dll_o" ] (md_c_flags, _) <- machdepCCOpts - SysTools.runLink ( [verb, "-o", output_fn] - ++ md_c_flags + SysTools.runLink ( [ SysTools.Option verb + , SysTools.Option "-o" + , SysTools.FileOption "" output_fn + ] + ++ map SysTools.Option ( + md_c_flags ++ o_files ++ extra_os ++ extra_ld_inputs ++ lib_path_opts - ++ lib_opts - ++ pkg_lib_path_opts - ++ pkg_lib_opts - ++ pkg_extra_ld_opts ++ extra_ld_opts - ++ if static && not no_hs_main then -#ifdef LEADING_UNDERSCORE - [ "-u _PrelMain_mainIO_closure" , - "-u ___init_PrelMain"] -#else - [ "-u PrelMain_mainIO_closure" , - "-u __init_PrelMain"] +#ifdef darwin_TARGET_OS + ++ framework_path_opts + ++ framework_opts #endif - else []) + ++ pkg_lib_path_opts + ++ pkg_link_opts +#ifdef darwin_TARGET_OS + ++ pkg_framework_path_opts + ++ pkg_framework_opts +#endif + ++ if static && not no_hs_main then + [ "-u", prefixUnderscore "Main_zdmain_closure"] + else [])) -- parallel only: move binary to another dir -- HWL ways_ <- readIORef v_Ways @@ -818,21 +1221,13 @@ doMkDLL o_files = do o_file <- readIORef v_Output_file let output_fn = case o_file of { Just s -> s; Nothing -> "HSdll.dll"; } - pkg_lib_paths <- getPackageLibraryPath + pkg_lib_paths <- getPackageLibraryPath [] let pkg_lib_path_opts = map ("-L"++) pkg_lib_paths lib_paths <- readIORef v_Library_paths let lib_path_opts = map ("-L"++) lib_paths - pkg_libs <- getPackageLibraries - let imp = if static then "" else "_imp" - pkg_lib_opts = map (\lib -> "-l" ++ lib ++ imp) pkg_libs - - libs <- readIORef v_Cmdline_libraries - let lib_opts = map ("-l"++) (reverse libs) - -- reverse because they're added in reverse order from the cmd line - - pkg_extra_ld_opts <- getPackageExtraLdOpts + pkg_link_opts <- getPackageLinkOpts [] -- probably _stub.o files extra_ld_inputs <- readIORef v_Ld_inputs @@ -840,188 +1235,30 @@ doMkDLL o_files = do -- opts from -optdll- extra_ld_opts <- getStaticOpts v_Opt_dll - rts_pkg <- getPackageDetails ["rts"] - std_pkg <- getPackageDetails ["std"] + [rts_pkg, std_pkg] <- getPackageDetails [rtsPackage, basePackage] let extra_os = if static || no_hs_main then [] - else [ head (library_dirs (head rts_pkg)) ++ "/Main.dll_o", - head (library_dirs (head std_pkg)) ++ "/PrelMain.dll_o" ] + else [ head (library_dirs rts_pkg) ++ "/Main.dll_o", + head (library_dirs std_pkg) ++ "/PrelMain.dll_o" ] (md_c_flags, _) <- machdepCCOpts SysTools.runMkDLL - ([ verb, "-o", output_fn ] - ++ md_c_flags + ([ SysTools.Option verb + , SysTools.Option "-o" + , SysTools.FileOption "" output_fn + ] + ++ map SysTools.Option ( + md_c_flags ++ o_files ++ extra_os ++ [ "--target=i386-mingw32" ] ++ extra_ld_inputs ++ lib_path_opts - ++ lib_opts - ++ pkg_lib_path_opts - ++ pkg_lib_opts - ++ pkg_extra_ld_opts - ++ (case findPS (packString (concat extra_ld_opts)) (packString "--def") of - Nothing -> [ "--export-all" ] - Just _ -> [ "" ]) ++ extra_ld_opts - ) - ------------------------------------------------------------------------------ --- Just preprocess a file, put the result in a temp. file (used by the --- compilation manager during the summary phase). - -preprocess :: FilePath -> IO FilePath -preprocess filename = - ASSERT(haskellish_src_file filename) - do restoreDynFlags -- Restore to state of last save - pipeline <- genPipeline (StopBefore Hsc) ("preprocess") False - defaultHscLang filename - runPipeline pipeline filename False{-no linking-} False{-no -o flag-} - ------------------------------------------------------------------------------ --- Compile a single module, under the control of the compilation manager. --- --- This is the interface between the compilation manager and the --- compiler proper (hsc), where we deal with tedious details like --- reading the OPTIONS pragma from the source file, and passing the --- output of hsc through the C compiler. - --- The driver sits between 'compile' and 'hscMain', translating calls --- to the former into calls to the latter, and results from the latter --- into results from the former. It does things like preprocessing --- the .hs file if necessary, and compiling up the .stub_c files to --- generate Linkables. - --- NB. No old interface can also mean that the source has changed. - -compile :: GhciMode -- distinguish batch from interactive - -> ModSummary -- summary, including source - -> Bool -- True <=> source unchanged - -> Bool -- True <=> have object - -> Maybe ModIface -- old interface, if available - -> HomeSymbolTable -- for home module ModDetails - -> HomeIfaceTable -- for home module Ifaces - -> PersistentCompilerState -- persistent compiler state - -> IO CompResult - -data CompResult - = CompOK PersistentCompilerState -- updated PCS - ModDetails -- new details (HST additions) - ModIface -- new iface (HIT additions) - (Maybe Linkable) - -- new code; Nothing => compilation was not reqd - -- (old code is still valid) - - | CompErrs PersistentCompilerState -- updated PCS - - -compile ghci_mode summary source_unchanged have_object - old_iface hst hit pcs = do - dyn_flags <- restoreDynFlags -- Restore to the state of the last save - - - showPass dyn_flags - (showSDoc (text "Compiling" <+> ppr (name_of_summary summary))) - - let verb = verbosity dyn_flags - let location = ms_location summary - let input_fn = unJust "compile:hs" (ml_hs_file location) - let input_fnpp = unJust "compile:hspp" (ml_hspp_file location) - - when (verb >= 2) (hPutStrLn stderr ("compile: input file " ++ input_fnpp)) - - opts <- getOptionsFromSource input_fnpp - processArgs dynamic_flags opts [] - dyn_flags <- getDynFlags - - let hsc_lang = hscLang dyn_flags - (basename, _) = splitFilename input_fn - - output_fn <- case hsc_lang of - HscAsm -> newTempName (phaseInputExt As) - HscC -> newTempName (phaseInputExt HCc) - HscJava -> newTempName "java" -- ToDo - HscILX -> return (basename ++ ".ilx") -- newTempName "ilx" -- ToDo - HscInterpreted -> return (error "no output file") - - let dyn_flags' = dyn_flags { hscOutName = output_fn, - hscStubCOutName = basename ++ "_stub.c", - hscStubHOutName = basename ++ "_stub.h", - extCoreName = basename ++ ".core" } - - -- figure out which header files to #include in a generated .hc file - c_includes <- getPackageCIncludes - cmdline_includes <- dynFlag cmdlineHcIncludes -- -#include options - - let cc_injects = unlines (map mk_include - (c_includes ++ reverse cmdline_includes)) - mk_include h_file = - case h_file of - '"':_{-"-} -> "#include "++h_file - '<':_ -> "#include "++h_file - _ -> "#include \""++h_file++"\"" - - writeIORef v_HCHeader cc_injects - - -- run the compiler - hsc_result <- hscMain ghci_mode dyn_flags' - (ms_mod summary) location - source_unchanged have_object old_iface hst hit pcs - - case hsc_result of - HscFail pcs -> return (CompErrs pcs) - - HscNoRecomp pcs details iface -> return (CompOK pcs details iface Nothing) - - HscRecomp pcs details iface - stub_h_exists stub_c_exists maybe_interpreted_code -> do - - let - maybe_stub_o <- compileStub dyn_flags' stub_c_exists - let stub_unlinked = case maybe_stub_o of - Nothing -> [] - Just stub_o -> [ DotO stub_o ] - - (hs_unlinked, unlinked_time) <- - case hsc_lang of - - -- in interpreted mode, just return the compiled code - -- as our "unlinked" object. - HscInterpreted -> - case maybe_interpreted_code of - Just (bcos,itbl_env) -> do tm <- getClockTime - return ([BCOs bcos itbl_env], tm) - Nothing -> panic "compile: no interpreted code" - - -- we're in batch mode: finish the compilation pipeline. - _other -> do pipe <- genPipeline (StopBefore Ln) "" True - hsc_lang output_fn - -- runPipeline takes input_fn so it can split off - -- the base name and use it as the base of - -- the output object file. - let (basename, suffix) = splitFilename input_fn - o_file <- pipeLoop pipe output_fn False False - basename suffix - o_time <- getModificationTime o_file - return ([DotO o_file], o_time) - - let linkable = LM unlinked_time (moduleName (ms_mod summary)) - (hs_unlinked ++ stub_unlinked) - - return (CompOK pcs details iface (Just linkable)) - - ------------------------------------------------------------------------------ --- stub .h and .c files (for foreign export support) - -compileStub dflags stub_c_exists - | not stub_c_exists = return Nothing - | stub_c_exists = do - -- compile the _stub.c file w/ gcc - let stub_c = hscStubCOutName dflags - pipeline <- genPipeline (StopBefore Ln) "" True defaultHscLang stub_c - stub_o <- runPipeline pipeline stub_c False{-no linking-} - False{-no -o option-} - - return (Just stub_o) + ++ pkg_lib_path_opts + ++ pkg_link_opts + ++ (if "--def" `elem` (concatMap words extra_ld_opts) + then [ "" ] + else [ "--export-all" ]) + ))