-----------------------------------------------------------------------------
--- $Id: DriverPipeline.hs,v 1.78 2001/06/14 12:50:06 simonpj Exp $
--
-- GHC Driver
--
#include "HsVersions.h"
-import CmStaticInfo
+import Packages
import CmTypes
import GetImports
import DriverState
import DriverMkDepend
import DriverPhases
import DriverFlags
-import SysTools ( newTempName, addFilesToClean, getSysMan )
+import SysTools ( newTempName, addFilesToClean, getSysMan, unDosifyPath )
import qualified SysTools
import HscMain
import Finder
-----------------------------------------------------------------------------
-- 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
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
let
----------- ----- ---- --- -- -- - - -
- (_basename, suffix) = splitFilename filename
-
start = startPhase suffix
-- special case for mkdependHS: .hspp files go through MkDependHS
HscJava | split -> not_valid
| otherwise -> error "not implemented: compiling via Java"
+#ifdef ILX
HscILX | split -> not_valid
- | otherwise -> [ Unlit, Cpp, Hsc ]
+ | otherwise -> [ Unlit, Cpp, Hsc, Ilx2Il, Ilasm ]
+#endif
+ HscNothing -> [ Unlit, Cpp, Hsc ]
| cish = [ Cc, As ]
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 ->
+ {-
+ 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
outputFileName last_phase keep suffix
= do o_file <- readIORef v_Output_file
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;
+ -- we undosify it so that it doesn't contain backslashes in Windows, which
+ -- would disappear in error messages
+ 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
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)
+ 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' alltogether (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.FileOption "" input_fn
+ , SysTools.Option "-o"
+ , SysTools.FileOption "" output_fn
+ ])
+ return (Just output_fn)
-----------------------------------------------------------------------------
-- MkDependHS phase
-run_phase MkDependHS basename suff input_fn _output_fn = do
+run_phase MkDependHS basename suff input_fn output_fn = do
src <- readFile input_fn
let (import_sources, import_normals, _) = getImports src
objs <- mapM odir_ify ofiles
+ -- Handle for file that accumulates dependencies
hdl <- readIORef v_Dep_tmp_hdl
-- std dependency of the object(s) on the source file
mapM genDep [ d | Just d <- deps ]
- return True
+ return (Just output_fn)
-- add the lines to dep_makefile:
-- always:
(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, location')
+ <- mkHomeModuleLocn mod_name basename (basename ++ '.':suff)
-- take -ohi into account if present
ohi <- readIORef v_Output_hi
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
_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)
}
-----------------------------------------------------------------------------
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
-- .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)
+ 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
| otherwise = [ ]
excessPrecision <- readIORef v_Excess_precision
- SysTools.runCc ([ "-x", "c", input_fn, "-o", output_fn ]
- ++ md_c_flags
+ SysTools.runCc ([ SysTools.Option "-x", SysTools.Option "c"
+ , 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 [])
++ (if excessPrecision then [] else [ "-ffloat-store" ])
++ include_paths
++ pkg_extra_cc_opts
- )
- return True
+ ))
+ return (Just output_fn)
-- ToDo: postprocess the output from gcc
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
addFilesToClean [ split_s_prefix ++ "__" ++ show n ++ ".s"
| n <- [1..n_files]]
- return True
+ return (Just output_fn)
-----------------------------------------------------------------------------
-- As phase
= 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
let output_o = newdir real_odir
(basename ++ "__" ++ show n ++ ".o")
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
head (library_dirs (head 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
++ pkg_lib_opts
++ pkg_extra_ld_opts
++ extra_ld_opts
- ++ if static then [ "-u _PrelMain_mainIO_closure" , "-u ___init_PrelMain"] else [])
+ ++ if static && not no_hs_main then
+ [ "-u", prefixUnderscore "PrelMain_mainIO_closure",
+ "-u", prefixUnderscore "__stginit_PrelMain"]
+ else []))
-- parallel only: move binary to another dir -- HWL
ways_ <- readIORef v_Ways
(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" ]
Nothing -> [ "--export-all" ]
Just _ -> [ "" ])
++ extra_ld_opts
- )
+ ))
-----------------------------------------------------------------------------
-- Just preprocess a file, put the result in a temp. file (used by the
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-}
+ defaultHscLang (filename, getFileSuffix filename)
+ (fn,_) <- runPipeline pipeline (filename,getFileSuffix filename)
+ False{-no linking-} False{-no -o flag-}
+ return fn
-----------------------------------------------------------------------------
-- Compile a single module, under the control of the compilation manager.
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")
+ keep_hc <- readIORef v_Keep_hc_files
+ 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 -> return (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",
writeIORef v_HCHeader cc_injects
+ -- -no-recomp should also work with --make
+ do_recomp <- readIORef v_Recomp
+ let source_unchanged' = source_unchanged && do_recomp
+
-- run the compiler
hsc_result <- hscMain ghci_mode dyn_flags'
(ms_mod summary) location
- source_unchanged have_object old_iface hst hit pcs
+ source_unchanged' have_object old_iface hst hit pcs
case hsc_result of
HscFail pcs -> return (CompErrs pcs)
-- as our "unlinked" object.
HscInterpreted ->
case maybe_interpreted_code of
+#ifdef GHCI
Just (bcos,itbl_env) -> do tm <- getClockTime
return ([BCOs bcos itbl_env], 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
+ 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 False False
- basename suffix
+ (o_file,_) <-
+ pipeLoop pipe (output_fn, getFileSuffix output_fn)
+ False False
+ basename suffix
o_time <- getModificationTime o_file
return ([DotO o_file], o_time)
| 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-}
-
+ 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)
projects / ghc-hetmet.git / blobdiff