X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Fcompiler%2Fmain%2FDriverPipeline.hs;h=e0aa062a3e5ad7347c39c2052c2312a95d04b2dd;hb=4e1c7e2de7f7a7983003f19a85363a1e1f0170cc;hp=1e4705fbb36632d43018959c399cd50f8f144bf8;hpb=f4eba96b198baf4499ca6ccd7242d9daa41337ac;p=ghc-hetmet.git diff --git a/ghc/compiler/main/DriverPipeline.hs b/ghc/compiler/main/DriverPipeline.hs index 1e4705f..e0aa062 100644 --- a/ghc/compiler/main/DriverPipeline.hs +++ b/ghc/compiler/main/DriverPipeline.hs @@ -1,9 +1,8 @@ ----------------------------------------------------------------------------- --- $Id: DriverPipeline.hs,v 1.61 2001/03/28 11:01:19 simonmar Exp $ -- -- GHC Driver -- --- (c) Simon Marlow 2000 +-- (c) The University of Glasgow 2002 -- ----------------------------------------------------------------------------- @@ -11,31 +10,30 @@ module DriverPipeline ( - -- interfaces for the batch-mode driver - GhcMode(..), getGhcMode, v_GhcMode, - genPipeline, runPipeline, pipeLoop, + -- Interfaces for the batch-mode driver + runPipeline, 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 #include "HsVersions.h" -import CmStaticInfo -import CmTypes +import Packages import GetImports import DriverState import DriverUtil import DriverMkDepend import DriverPhases import DriverFlags +import SysTools ( newTempName, addFilesToClean, getSysMan, copy ) +import qualified SysTools import HscMain -import TmpFiles import Finder import HscTypes import Outputable @@ -45,415 +43,526 @@ 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 - -data GhcMode - = DoMkDependHS -- ghc -M - | DoMkDLL -- ghc --mk-dll - | StopBefore Phase -- ghc -E | -C | -S | -c - | DoMake -- ghc --make - | DoInteractive -- ghc --interactive - | DoLink -- [ the default ] - deriving (Eq) - -GLOBAL_VAR(v_GhcMode, error "todo", GhcMode) - -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 + runPipeline (StopBefore Hsc) ("preprocess") + False{-temporary output file-} + Nothing{-no specific output file-} + filename + +-- --------------------------------------------------------------------------- +-- Compile + +-- Compile a single module, under the control of the compilation manager. -- --- 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. - --- The following compilation pipeline algorithm is fairly hacky. A --- better way to do this would be to express the whole compilation as a --- data flow DAG, where the nodes are the intermediate files and the --- edges are the compilation phases. This framework would also work --- nicely if a haskell dependency generator was included in the --- driver. - --- It would also deal much more cleanly with compilation phases that --- generate multiple intermediates, (eg. hsc generates .hc, .hi, and --- possibly stub files), where some of the output files need to be --- processed further (eg. the stub files need to be compiled by the C --- compiler). - --- A cool thing to do would then be to execute the data flow graph --- concurrently, automatically taking advantage of extra processors on --- the host machine. For example, when compiling two Haskell files --- where one depends on the other, the data flow graph would determine --- that the C compiler from the first compilation can be overlapped --- with the hsc compilation for the second file. - -data IntermediateFileType - = Temporary - | Persistent - 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 - -> 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 - = do - split <- readIORef v_Split_object_files - mangle <- readIORef v_Do_asm_mangling - keep_hc <- readIORef v_Keep_hc_files - keep_raw_s <- readIORef v_Keep_raw_s_files - keep_s <- readIORef v_Keep_s_files -#ifdef ILX - writeIORef v_Object_suf (Just "ilx") +-- 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 (basename, _) = splitFilename input_fn + + -- figure out what lang we're generating + hsc_lang <- hscMaybeAdjustLang (hscLang dyn_flags) + -- figure out what the next phase should be + next_phase <- hscNextPhase hsc_lang + -- figure out what file to generate the output into + get_output_fn <- genOutputFilenameFunc False Nothing next_phase basename + output_fn <- get_output_fn next_phase + + let dyn_flags' = dyn_flags { hscLang = hsc_lang, + 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 - osuf <- readIORef v_Object_suf + Nothing -> panic "compile: no interpreted code" - let - ----------- ----- ---- --- -- -- - - - - (_basename, suffix) = splitFilename filename + -- we're in batch mode: finish the compilation pipeline. + _other -> do + let object_filename = ml_obj_file location + object_dir = directoryOf object_filename - start = startPhase suffix + -- create the object dir if it doesn't exist + createDirectoryHierarchy object_dir - -- special case for mkdependHS: .hspp files go through MkDependHS - start_phase | todo == DoMkDependHS && start == Hsc = MkDependHS - | otherwise = start + runPipeline (StopBefore Ln) "" + True (Just object_filename) output_fn - haskellish = haskellish_suffix suffix - cish = cish_suffix suffix + o_time <- getModificationTime object_filename + return ([DotO object_filename], o_time) - -- for a .hc file we need to force lang to HscC - real_lang | start_phase == HCc = HscC - | otherwise = lang + let linkable = LM unlinked_time mod_name + (hs_unlinked ++ stub_unlinked) - let - ----------- ----- ---- --- -- -- - - - - pipeline - | todo == DoMkDependHS = [ Unlit, Cpp, MkDependHS ] - - | haskellish = - case real_lang of - HscC | split && mangle -> [ Unlit, Cpp, Hsc, HCc, Mangle, - SplitMangle, SplitAs ] - | mangle -> [ Unlit, Cpp, Hsc, HCc, Mangle, As ] - | split -> not_valid - | otherwise -> [ Unlit, Cpp, Hsc, HCc, As ] - - HscAsm | split -> [ Unlit, Cpp, Hsc, SplitMangle, SplitAs ] - | otherwise -> [ Unlit, Cpp, Hsc, As ] - - HscJava | split -> not_valid - | otherwise -> error "not implemented: compiling via Java" -#ifdef ILX - HscILX | split -> not_valid - | otherwise -> [ Unlit, Cpp, Hsc ] + 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 + stub_o <- runPipeline (StopBefore Ln) "stub-compile" + True{-persistent output-} + Nothing{-no specific output file-} + stub_c + 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 - | cish = [ Cc, As ] +link Batch dflags batch_attempt_linking hpt + | batch_attempt_linking + = do + let + home_mod_infos = moduleEnvElts hpt - | otherwise = [ ] -- just pass this file through to the linker + -- the packages we depend on + pkg_deps = concatMap (dep_pkgs . mi_deps . hm_iface) home_mod_infos - -- ToDo: this is somewhat cryptic + -- the linkables to link + linkables = map hm_linkable home_mod_infos - not_valid = throwDyn (UsageError ("invalid option combination")) - ----------- ----- ---- --- -- -- - - - + when (verb >= 3) $ do + hPutStrLn stderr "link: linkables are ..." + hPutStrLn stderr (showSDoc (vcat (map ppr linkables))) - -- this shouldn't happen. - if start_phase /= Ln && start_phase `notElem` pipeline - then throwDyn (CmdLineError ("can't find starting phase for " - ++ filename)) - else do + -- 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 - let - ----------- ----- ---- --- -- -- - - - - myPhaseInputExt Ln = case osuf of Nothing -> phaseInputExt Ln - Just s -> s - myPhaseInputExt other = phaseInputExt other - - annotatePipeline - :: [Phase] -- raw pipeline - -> Phase -- phase to stop before - -> [(Phase, IntermediateFileType, String{-file extension-})] - annotatePipeline [] _ = [] - annotatePipeline (Ln:_) _ = [] - annotatePipeline (phase:next_phase:ps) stop = - (phase, keep_this_output, myPhaseInputExt next_phase) - : annotatePipeline (next_phase:ps) stop - where - keep_this_output - | next_phase == stop - = if persistent_output then Persistent else Temporary - | otherwise - = case next_phase of - Ln -> Persistent - Mangle | keep_raw_s -> Persistent - As | keep_s -> Persistent - HCc | keep_hc -> Persistent - _other -> Temporary - - -- add information about output files to the pipeline - -- the suffix on an output file is determined by the next phase - -- in the pipeline, so we add linking to the end of the pipeline - -- to force the output from the final phase to be a .o file. - stop_phase = case todo of - StopBefore As | split -> SplitAs - StopBefore phase -> phase - DoMkDependHS -> Ln - DoLink -> Ln + when (verb >= 1) $ + hPutStrLn stderr "Linking ..." - annotated_pipeline = annotatePipeline (pipeline ++ [Ln]) stop_phase + let getOfiles (LM _ _ us) = map nameOfObject (filter isObject us) + obj_files = concatMap getOfiles linkables - phase_ne p (p1,_,_) = (p1 /= p) - ----------- ----- ---- --- -- -- - - - + -- Don't showPass in Batch mode; doLink will do that for us. + staticLink obj_files pkg_deps - -- 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 + when (verb >= 3) (hPutStrLn stderr "link: done") - return ( - takeWhile (phase_ne stop_phase ) $ - dropWhile (phase_ne start_phase) $ - annotated_pipeline - ) + -- 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 + +-- --------------------------------------------------------------------------- +-- Run a compilation pipeline, consisting of multiple phases. runPipeline - :: [ (Phase, IntermediateFileType, String) ] -- phases to run - -> String -- input file - -> Bool -- doing linking afterward? - -> Bool -- take into account -o when generating output? - -> IO 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 - -pipeLoop [] input_fn _ _ _ _ = return input_fn -pipeLoop ((phase, keep, o_suffix):phases) - input_fn do_linking use_ofile orig_basename orig_suffix + :: GhcMode -- when to stop + -> String -- "stop after" flag + -> Bool -- final output is persistent? + -> Maybe FilePath -- where to put the output, optionally + -> FilePath -- input filename + -> IO FilePath -- output filename + +runPipeline todo stop_flag keep_output maybe_output_filename input_fn = do + split <- readIORef v_Split_object_files + let (basename, suffix) = splitFilename input_fn + start_phase = startPhase suffix + + stop_phase = case todo of + StopBefore As | split -> SplitAs + StopBefore phase -> phase + DoMkDependHS -> Ln + DoLink -> Ln + DoMkDLL -> Ln - output_fn <- outputFileName (null phases) keep o_suffix - - carry_on <- 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 - - where - outputFileName last_phase keep suffix - = do o_file <- readIORef v_Output_file - if last_phase && not do_linking && use_ofile && isJust o_file - then case o_file of - Just s -> return s - Nothing -> error "outputFileName" - else if keep == Persistent - then odir_ify (orig_basename ++ '.':suffix) - else newTempName suffix + -- We want to catch cases of "you can't get there from here" before + -- we start the pipeline, because otherwise it will just run off the + -- end. + -- + -- There is a partial ordering on phases, where A < B iff A occurs + -- before B in a normal compilation pipeline. + -- + when (not (start_phase `happensBefore` stop_phase)) $ + throwDyn (UsageError + ("flag `" ++ stop_flag + ++ "' is incompatible with source file `" + ++ input_fn ++ "'")) + + -- generate a function which will be used to calculate output file names + -- as we go along. + get_output_fn <- genOutputFilenameFunc keep_output maybe_output_filename + stop_phase basename + + -- and execute the pipeline... + output_fn <- pipeLoop start_phase stop_phase input_fn basename suffix + get_output_fn + + -- sometimes, a compilation phase doesn't actually generate any output + -- (eg. the CPP phase when -fcpp is not turned on). If we end on this + -- stage, but we wanted to keep the output, then we have to explicitly + -- copy the file. + if keep_output + then do final_fn <- get_output_fn stop_phase + when (final_fn /= output_fn) $ + copy ("Copying `" ++ output_fn ++ "' to `" ++ final_fn + ++ "'") output_fn final_fn + return final_fn + else + return output_fn + + +pipeLoop :: Phase -> Phase -> FilePath -> String -> Suffix + -> (Phase -> IO FilePath) -> IO FilePath + +pipeLoop phase stop_phase input_fn orig_basename orig_suff get_output_fn + | phase == stop_phase = return input_fn -- all done + + | not (phase `happensBefore` stop_phase) = + -- Something has gone wrong. We'll try to cover all the cases when + -- this could happen, so if we reach here it is a panic. + -- eg. it might happen if the -C flag is used on a source file that + -- has {-# OPTIONS -fasm #-}. + panic ("pipeLoop: at phase " ++ show phase ++ + " but I wanted to stop at phase " ++ show stop_phase) + + | otherwise = do + maybe_next_phase <- runPhase phase orig_basename orig_suff input_fn + get_output_fn + case maybe_next_phase of + (Nothing, output_fn) -> + -- we stopped early, but return the *final* filename + -- (it presumably already exists) + get_output_fn stop_phase + (Just next_phase, output_fn) -> + pipeLoop next_phase stop_phase output_fn + orig_basename orig_suff get_output_fn + + +genOutputFilenameFunc :: Bool -> Maybe FilePath -> Phase -> String + -> IO (Phase{-next phase-} -> IO FilePath) +genOutputFilenameFunc keep_output maybe_output_filename stop_phase basename + = do + hcsuf <- readIORef v_HC_suf + osuf <- readIORef v_Object_suf + 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 + let + myPhaseInputExt HCc | Just s <- hcsuf = s + myPhaseInputExt Ln = osuf + myPhaseInputExt other = phaseInputExt other + + func next_phase + | next_phase == stop_phase + = case maybe_output_filename of + Just file -> return file + Nothing | keep_output -> return persistent + | otherwise -> newTempName suffix + -- sometimes, we keep output from intermediate stages + | otherwise + = case next_phase of + Ln -> return persistent + Mangle | keep_raw_s -> return persistent + As | keep_s -> return persistent + HCc | keep_hc -> return persistent + _other -> newTempName suffix + where + suffix = myPhaseInputExt next_phase + persistent = basename ++ '.':suffix + + return func + + +-- ----------------------------------------------------------------------------- +-- Each phase in the pipeline returns the next phase to execute, and the +-- name of the file in which the output was placed. +-- +-- We must do things dynamically this way, because we often don't know +-- what the rest of the phases will be until part-way through the +-- compilation: for example, an {-# OPTIONS -fasm #-} at the beginning +-- of a source file can change the latter stages of the pipeline from +-- taking the via-C route to using the native code generator. + +runPhase :: Phase + -> String -- basename of original input source + -> String -- its extension + -> FilePath -- name of file which contains the input to this phase. + -> (Phase -> IO FilePath) -- how to calculate the output filename + -> IO (Maybe Phase, -- next phase + FilePath) -- output filename ------------------------------------------------------------------------------- -- Unlit phase -run_phase Unlit _basename _suff input_fn output_fn - = do unlit <- readIORef v_Pgm_L - unlit_flags <- getOpts opt_L - runSomething "Literate pre-processor" - ("echo '# 1 \"" ++input_fn++"\"' > "++output_fn++" && " - ++ unlit ++ ' ':input_fn ++ " - >> " ++ output_fn) - return True +runPhase Unlit _basename _suff input_fn get_output_fn + = do unlit_flags <- getOpts opt_L + -- The -h option passes the file name for unlit to put in a #line directive + output_fn <- get_output_fn Cpp + + SysTools.runUnlit (map SysTools.Option unlit_flags ++ + [ SysTools.Option "-h" + , SysTools.Option input_fn + , SysTools.FileOption "" input_fn + , SysTools.FileOption "" output_fn + ]) + + return (Just Cpp, output_fn) ------------------------------------------------------------------------------- -- Cpp phase -run_phase Cpp basename suff input_fn output_fn +runPhase Cpp basename suff input_fn get_output_fn = do src_opts <- getOptionsFromSource input_fn unhandled_flags <- processArgs dynamic_flags src_opts [] checkProcessArgsResult unhandled_flags basename suff do_cpp <- dynFlag cppFlag - if do_cpp - then do - cpp <- readIORef v_Pgm_P - hscpp_opts <- getOpts opt_P + if not do_cpp then + -- no need to preprocess CPP, just pass input file along + -- to the next phase of the pipeline. + return (Just HsPp, 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 - runSomething "C pre-processor" - (unwords - (["echo '{-# LINE 1 \"" ++ input_fn ++ "\" #-}'", ">", output_fn, "&&", - cpp, verb] - ++ include_paths - ++ hs_src_cpp_opts - ++ hscpp_opts - ++ md_c_flags - ++ [ "-x", "c", input_fn, ">>", output_fn ] - )) - else do - runSomething "Ineffective C pre-processor" - ("echo '{-# LINE 1 \"" ++ input_fn ++ "\" #-}' > " - ++ output_fn ++ " && cat " ++ input_fn - ++ " >> " ++ output_fn) - return True + output_fn <- get_output_fn HsPp + + 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 HsPp, output_fn) + +------------------------------------------------------------------------------- +-- HsPp phase + +runPhase HsPp basename suff input_fn get_output_fn + = do 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 Hsc, input_fn) + else do + hspp_opts <- getOpts opt_F + hs_src_pp_opts <- readIORef v_Hs_source_pp_opts + let orig_fn = basename ++ '.':suff + output_fn <- get_output_fn Hsc + 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 Hsc, output_fn) ------------------------------------------------------------------------------ --- MkDependHS phase - -run_phase MkDependHS basename suff input_fn _output_fn = do - src <- readFile input_fn - let (import_sources, import_normals, module_name) = getImports src - - deps_sources <- mapM (findDependency True src) import_sources - deps_normals <- mapM (findDependency False src) 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 - - 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 - -- length objs should be == length deps - sequence_ (zipWith (\o d -> hPutStrLn hdl (o ++ " : " ++ d)) objs deps) - - mapM genDep [ d | Just d <- deps ] - - return True - --- add the lines to dep_makefile: - -- always: - -- this.o : this.hs - - -- if the dependency is on something other than a .hi file: - -- this.o this.p_o ... : dep - -- otherwise - -- if the import is {-# SOURCE #-} - -- this.o this.p_o ... : dep.hi-boot[-$vers] - - -- else - -- this.o ... : dep.hi - -- this.p_o ... : dep.p_hi - -- ... - - -- (where .o is $osuf, and the other suffixes come from - -- the cmdline -s options). - ----------------------------------------------------------------------------- -- Hsc phase -- Compilation of a single module, in "legacy" mode (_not_ under -- the direction of the compilation manager). -run_phase Hsc basename suff input_fn output_fn - = do - +runPhase Hsc basename suff input_fn get_output_fn = do + todo <- readIORef v_GhcMode + if todo == DoMkDependHS then do + doMkDependHSPhase basename suff input_fn + return (Nothing, input_fn) -- Ln is a dummy stop phase + + else do + -- normal Hsc mode, not mkdependHS + -- 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 where to put the .hi file - ohi <- readIORef v_Output_hi - hisuf <- readIORef v_Hi_suf - let hifile = case ohi of - Nothing -> basename ++ '.':hisuf - Just fn -> fn - - -- 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 + (_,_,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 + let location | Just fn <- ohi = location'{ ml_hi_file = fn } + | otherwise = location' -- figure out if the source has changed, for recompilation avoidance. -- only do this if we're eventually going to generate a .o file. @@ -464,10 +573,15 @@ run_phase Hsc basename suff input_fn output_fn -- changed (which the compiler itself figures out). -- Setting source_unchanged to False tells the compiler that M.o is out of -- date wrt M.hs (or M.o doesn't exist) so we must recompile regardless. - do_recomp <- readIORef v_Recomp - todo <- readIORef v_GhcMode - o_file' <- odir_ify (basename ++ '.':phaseInputExt Ln) - o_file <- osuf_ify o_file' + do_recomp <- readIORef v_Recomp + expl_o_file <- readIORef v_Output_file + + 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 @@ -480,53 +594,49 @@ run_phase Hsc basename suff input_fn output_fn then return True else return False - -- build a ModuleLocation to pass to hscMain. - modsrc <- readFile input_fn - let (srcimps,imps,mod_name) = getImports modsrc - - Just (mod, location) - <- mkHomeModuleLocn mod_name basename (basename ++ '.':suff) - -- get the DynFlags - dyn_flags <- readIORef v_DynFlags + dyn_flags <- getDynFlags + hsc_lang <- hscMaybeAdjustLang (hscLang dyn_flags) + next_phase <- hscNextPhase hsc_lang + output_fn <- get_output_fn next_phase - let dyn_flags' = dyn_flags { hscOutName = output_fn, + let dyn_flags' = dyn_flags { hscLang = hsc_lang, + hscOutName = output_fn, hscStubCOutName = basename ++ "_stub.c", - hscStubHOutName = basename ++ "_stub.h" } + hscStubHOutName = basename ++ "_stub.h", + 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 { + case result of - HscFail pcs -> throwDyn (PhaseFailed "hsc" (ExitFailure 1)); + HscFail pcs -> throwDyn (PhaseFailed "hsc" (ExitFailure 1)) - HscNoRecomp pcs details iface -> - do { - runSomething "Touching object file" ("touch " ++ o_file); - return False; - }; + HscNoRecomp pcs details iface -> do + SysTools.touch "Touching object file" o_file + return (Nothing, output_fn) - 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, output_fn) + _ -> return (Just next_phase, output_fn) ----------------------------------------------------------------------------- -- Cc phase @@ -534,20 +644,31 @@ run_phase Hsc basename suff input_fn output_fn -- we don't support preprocessing .c files (with -E) now. Doing so introduces -- way too many hacks, and I can't say I've ever used it anyway. -run_phase cc_phase basename suff input_fn output_fn +runPhase cc_phase basename suff input_fn get_output_fn | cc_phase == Cc || cc_phase == HCc - = do cc <- readIORef v_Pgm_c - cc_opts <- (getOpts opt_c) - cmdline_include_dirs <- readIORef v_Include_paths + = do cc_opts <- getOpts opt_c + cmdline_include_paths <- readIORef v_Include_paths + + split <- readIORef v_Split_object_files + mangle <- readIORef v_Do_asm_mangling 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) + next_phase + | hcc && mangle = Mangle + | otherwise = As + + output_fn <- get_output_fn next_phase + + -- 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 @@ -558,7 +679,7 @@ 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" ] @@ -566,133 +687,181 @@ run_phase cc_phase basename suff input_fn output_fn excessPrecision <- readIORef v_Excess_precision - runSomething "C Compiler" - (unwords ([ cc, "-x", "c", input_fn, "-o", output_fn ] - ++ md_c_flags - ++ (if cc_phase == HCc && mangle - then md_regd_c_flags - else []) - ++ [ verb, "-S", "-Wimplicit", opt_flag ] - ++ [ "-D__GLASGOW_HASKELL__="++cProjectVersionInt ] - ++ cc_opts - ++ split_opt - ++ (if excessPrecision then [] else [ "-ffloat-store" ]) - ++ include_paths - ++ pkg_extra_cc_opts - )) - return True + -- 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 []) + ++ [ verb, "-S", "-Wimplicit", opt_flag ] + ++ [ "-D__GLASGOW_HASKELL__="++cProjectVersionInt ] + ++ cc_opts + ++ split_opt + ++ (if excessPrecision then [] else [ "-ffloat-store" ]) + ++ include_paths + ++ pkg_extra_cc_opts + )) + + return (Just next_phase, output_fn) -- ToDo: postprocess the output from gcc ----------------------------------------------------------------------------- -- Mangle phase -run_phase Mangle _basename _suff input_fn output_fn - = do mangler <- readIORef v_Pgm_m - mangler_opts <- getOpts opt_m - machdep_opts <- - if (prefixMatch "i386" cTARGETPLATFORM) - then do n_regs <- dynFlag stolen_x86_regs - return [ show n_regs ] - else return [] - runSomething "Assembly Mangler" - (unwords (mangler : - mangler_opts - ++ [ input_fn, output_fn ] - ++ machdep_opts - )) - return True +runPhase Mangle _basename _suff input_fn get_output_fn + = do mangler_opts <- getOpts opt_m + machdep_opts <- if (prefixMatch "i386" cTARGETPLATFORM) + then do n_regs <- dynFlag stolen_x86_regs + return [ show n_regs ] + else return [] + + split <- readIORef v_Split_object_files + let next_phase + | split = SplitMangle + | otherwise = As + output_fn <- get_output_fn next_phase + + SysTools.runMangle (map SysTools.Option mangler_opts + ++ [ SysTools.FileOption "" input_fn + , SysTools.FileOption "" output_fn + ] + ++ map SysTools.Option machdep_opts) + + return (Just next_phase, output_fn) ----------------------------------------------------------------------------- -- Splitting phase -run_phase SplitMangle _basename _suff input_fn _output_fn - = do splitter <- readIORef v_Pgm_s - - -- this is the prefix used for the split .s files - tmp_pfx <- readIORef v_TmpDir - x <- myGetProcessID - let split_s_prefix = tmp_pfx ++ "/ghc" ++ show x - writeIORef v_Split_prefix split_s_prefix - addFilesToClean [split_s_prefix ++ "__*"] -- d:-) - - -- allocate a tmp file to put the no. of split .s files in (sigh) - n_files <- newTempName "n_files" - - runSomething "Split Assembly File" - (unwords [ splitter - , input_fn - , split_s_prefix - , n_files ] - ) - - -- save the number of split files for future references - s <- readFile n_files - let n = read s :: Int - writeIORef v_N_split_files n - return True +runPhase SplitMangle _basename _suff input_fn get_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 [ 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 + let n_files = read s :: Int + writeIORef v_Split_info (split_s_prefix, n_files) + + -- Remember to delete all these files + addFilesToClean [ split_s_prefix ++ "__" ++ show n ++ ".s" + | n <- [1..n_files]] + + return (Just SplitAs, "**splitmangle**") -- we don't use the filename ----------------------------------------------------------------------------- -- As phase -run_phase As _basename _suff input_fn output_fn - = do as <- readIORef v_Pgm_a - as_opts <- getOpts opt_a - +runPhase As _basename _suff input_fn get_output_fn + = do as_opts <- getOpts opt_a cmdline_include_paths <- readIORef v_Include_paths - let cmdline_include_flags = map (\p -> "-I"++p) cmdline_include_paths - runSomething "Assembler" - (unwords (as : as_opts - ++ cmdline_include_flags - ++ [ "-c", input_fn, "-o", output_fn ] - )) - return True -run_phase SplitAs basename _suff _input_fn _output_fn - = do as <- readIORef v_Pgm_a - as_opts <- getOpts opt_a + output_fn <- get_output_fn Ln + + 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 + ]) - split_s_prefix <- readIORef v_Split_prefix - n <- readIORef v_N_split_files + return (Just Ln, output_fn) + + +runPhase SplitAs basename _suff _input_fn get_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 assemble_file n + = do let input_s = split_s_prefix ++ "__" ++ show n ++ ".s" + let output_o = replaceFilenameDirectory (basename ++ "__" ++ show n ++ ".o") + real_odir real_o <- osuf_ify output_o - runSomething "Assembler" - (unwords (as : 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] + + output_fn <- get_output_fn Ln + return (Just Ln, output_fn) + +#ifdef ILX +----------------------------------------------------------------------------- +-- Ilx2Il phase +-- Run ilx2il over the ILX output, getting an IL file + +runPhase Ilx2Il _basename _suff input_fn get_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 True + +----------------------------------------------------------------------------- +-- Ilasm phase +-- Run ilasm over the IL, getting a DLL + +runPhase Ilasm _basename _suff input_fn get_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 True +#endif /* ILX */ + ----------------------------------------------------------------------------- -- MoveBinary sort-of-phase -- After having produced a binary, move it somewhere else and generate a -- 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 -run_phase_MoveBinary input_fn +runPhase_MoveBinary input_fn = do - top_dir <- readIORef v_TopDir + sysMan <- getSysMan pvm_root <- getEnv "PVM_ROOT" pvm_arch <- getEnv "PVM_ARCH" let pvm_executable_base = "=" ++ input_fn pvm_executable = pvm_root ++ "/bin/" ++ pvm_arch ++ "/" ++ pvm_executable_base - sysMan = top_dir ++ "/ghc/rts/parallel/SysMan"; -- nuke old binary; maybe use configur'ed names for cp and rm? system ("rm -f " ++ pvm_executable) -- move the newly created binary into PVM land @@ -762,114 +931,139 @@ 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 (UserError ( - 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 - -doLink :: [String] -> IO () -doLink o_files = do - ln <- readIORef v_Pgm_l - verb <- getVerbFlag - static <- readIORef v_Static - let imp = if static then "" else "_imp" +-- 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. + +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 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_extra_ld_opts <- getPackageExtraLdOpts + pkg_frameworks <- getPackageFrameworks dep_packages + let pkg_framework_opts = concat [ ["-framework", fw] | fw <- pkg_frameworks ] + + 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"] -#ifdef mingw32_TARGET_OS + [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" ] -#endif + else [ head (library_dirs rts_pkg) ++ "/Main.dll_o", + head (library_dirs std_pkg) ++ "/PrelMain.dll_o" ] + (md_c_flags, _) <- machdepCCOpts - runSomething "Linker" - (unwords - ([ ln, verb, "-o", output_fn ] - ++ md_c_flags - ++ o_files -#ifdef mingw32_TARGET_OS - ++ extra_os + 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 + ++ extra_ld_opts +#ifdef darwin_TARGET_OS + ++ framework_path_opts + ++ framework_opts #endif - ++ extra_ld_inputs - ++ lib_path_opts - ++ lib_opts - ++ pkg_lib_path_opts - ++ pkg_lib_opts - ++ pkg_extra_ld_opts - ++ extra_ld_opts -#ifdef mingw32_TARGET_OS - ++ if static then [ "-u _PrelMain_mainIO_closure" , "-u ___init_PrelMain"] else [] -#else - ++ [ "-u PrelMain_mainIO_closure" , "-u __init_PrelMain"] + ++ 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 - when (WayPar `elem` ways_) (do - success <- run_phase_MoveBinary output_fn - if success then return () - else throwDyn (InstallationError ("cannot move binary to PVM dir"))) + when (WayPar `elem` ways_) + (do success <- runPhase_MoveBinary output_fn + if success then return () + else throwDyn (InstallationError ("cannot move binary to PVM dir"))) ----------------------------------------------------------------------------- --- Making a DLL +-- Making a DLL (only for Win32) --- only for Win32, but bits that are #ifdefed in doLn are still #ifdefed here --- in a vain attempt to aid future portability doMkDLL :: [String] -> IO () doMkDLL o_files = do - ln <- readIORef v_Pgm_dll - verb <- getVerbFlag - static <- readIORef v_Static - let imp = if static then "" else "_imp" + verb <- getVerbFlag + static <- readIORef v_Static no_hs_main <- readIORef v_NoHsMain 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 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 @@ -877,179 +1071,60 @@ doMkDLL o_files = do -- opts from -optdll- extra_ld_opts <- getStaticOpts v_Opt_dll - rts_pkg <- getPackageDetails ["rts"] - std_pkg <- getPackageDetails ["std"] -#ifdef mingw32_TARGET_OS + [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" ] -#endif + else [ head (library_dirs rts_pkg) ++ "/Main.dll_o", + head (library_dirs std_pkg) ++ "/PrelMain.dll_o" ] + (md_c_flags, _) <- machdepCCOpts - runSomething "DLL creator" - (unwords - ([ ln, verb, "-o", output_fn ] - ++ md_c_flags + SysTools.runMkDLL + ([ SysTools.Option verb + , SysTools.Option "-o" + , SysTools.FileOption "" output_fn + ] + ++ map SysTools.Option ( + md_c_flags ++ o_files -#ifdef mingw32_TARGET_OS ++ extra_os ++ [ "--target=i386-mingw32" ] -#endif ++ 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 + ++ pkg_lib_path_opts + ++ pkg_link_opts + ++ (if "--def" `elem` (concatMap words extra_ld_opts) + then [ "" ] + else [ "--export-all" ]) + )) + +-- ----------------------------------------------------------------------------- +-- Misc. + +hscNextPhase :: HscLang -> IO Phase +hscNextPhase hsc_lang = do + split <- readIORef v_Split_object_files + return (case hsc_lang of + HscC -> HCc + HscAsm | split -> SplitMangle + | otherwise -> As + HscNothing -> HCc -- dummy (no output will be generated) + HscInterpreted -> HCc -- "" "" + _other -> HCc -- "" "" ) - ) - ------------------------------------------------------------------------------ --- 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_file filename) - do init_dyn_flags <- readIORef v_InitDynFlags - writeIORef v_DynFlags init_dyn_flags - 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 - init_dyn_flags <- readIORef v_InitDynFlags - writeIORef v_DynFlags init_dyn_flags - - showPass init_dyn_flags - (showSDoc (text "Compiling" <+> ppr (name_of_summary summary))) - - let verb = verbosity init_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 <- readIORef v_DynFlags - - let hsc_lang = hscLang dyn_flags - output_fn <- case hsc_lang of - HscAsm -> newTempName (phaseInputExt As) - HscC -> newTempName (phaseInputExt HCc) - HscJava -> newTempName "java" -- ToDo -#ifdef ILX - HscILX -> newTempName "ilx" -- ToDo -#endif - HscInterpreted -> return (error "no output file") - - let (basename, _) = splitFilename input_fn - dyn_flags' = dyn_flags { hscOutName = output_fn, - hscStubCOutName = basename ++ "_stub.c", - hscStubHOutName = basename ++ "_stub.h" } - - -- 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) +hscMaybeAdjustLang :: HscLang -> IO HscLang +hscMaybeAdjustLang current_hsc_lang = do + todo <- readIORef v_GhcMode + keep_hc <- readIORef v_Keep_hc_files + let hsc_lang + -- don't change the lang if we're interpreting + | current_hsc_lang == HscInterpreted = current_hsc_lang + -- force -fvia-C if we are being asked for a .hc file + | todo == StopBefore HCc || keep_hc = HscC + -- force -fvia-C when profiling or ticky-ticky is on + | opt_SccProfilingOn || opt_DoTickyProfiling = HscC + -- otherwise, stick to the plan + | otherwise = current_hsc_lang + return hsc_lang