-----------------------------------------------------------------------------
--- $Id: DriverPipeline.hs,v 1.96 2001/08/10 23:08:25 sof Exp $
--
-- GHC Driver
--
--- (c) Simon Marlow 2000
+-- (c) The University of Glasgow 2002
--
-----------------------------------------------------------------------------
module DriverPipeline (
-- interfaces for the batch-mode driver
- GhcMode(..), getGhcMode, v_GhcMode,
genPipeline, runPipeline, pipeLoop,
-- interfaces for the compilation manager (interpreted/batch-mode)
import DriverMkDepend
import DriverPhases
import DriverFlags
-import SysTools ( newTempName, addFilesToClean, getSysMan, unDosifyPath )
+import SysTools ( newTempName, addFilesToClean, getSysMan, copy )
import qualified SysTools
import HscMain
import Finder
import Panic
import Util
+#ifdef GHCI
import Time ( getClockTime )
+#endif
import Directory
import System
import IOExts
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")
-----------------------------------------------------------------------------
-- genPipeline
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
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
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
-
+ when (start_phase `elem` pipeline &&
+ (stop_phase /= Ln && stop_phase `notElem` pipeline))
+ (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
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
where (basename, _) = splitFilename input_fn
pipeLoop [] input_fn _ _ _ _ = return input_fn
-pipeLoop ((phase, keep, o_suffix):phases)
+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
- mbCarryOn <- 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.
case mbCarryOn of
Nothing -> do
- let (_,keep,final_suffix) = last phases
+ let (_,keep,final_suffix) = last all_phases
ofile <- outputFileName True keep final_suffix
return (ofile, final_suffix)
-- carry on ...
- Just fn ->
+ 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
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"
run_phase Unlit _basename _suff input_fn output_fn
= do unlit_flags <- getOpts opt_L
- -- 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
+ -- 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
+ , SysTools.FileOption "" input_fn
+ , SysTools.FileOption "" output_fn
])
return (Just output_fn)
++ map SysTools.Option hs_src_cpp_opts
++ map SysTools.Option hscpp_opts
++ map SysTools.Option md_c_flags
- ++ [ SysTools.Option "-x c"
- , SysTools.FileOption input_fn
+ ++ [ 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
+ , SysTools.FileOption "" output_fn
])
return (Just output_fn)
+-------------------------------------------------------------------------------
+-- HsPp phase
+run_phase HsPp basename suff input_fn output_fn
+ = do src_opts <- getOptionsFromSource input_fn
+ unhandled_flags <- processArgs dynamic_flags src_opts []
+ checkProcessArgsResult unhandled_flags basename suff
+
+ 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_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
+
-- 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)
-
- mapM genDep [ d | Just d <- deps ]
+ sequence_ (zipWith (\o d -> hPutStrLn hdl (escapeSpaces o ++ " : " ++ escapeSpaces d)) objs deps)
- return (Just output_fn)
+ sequence_ (map genDep [ d | Just d <- deps ])
+ return (Just output_fn)
-- add the lines to dep_makefile:
-- always:
-- (where .o is $osuf, and the other suffixes come from
-- the cmdline -s options).
+
-----------------------------------------------------------------------------
-- Hsc phase
-- build a ModuleLocation to pass to hscMain.
(mod, location')
- <- mkHomeModuleLocn mod_name basename (Just (basename ++ '.':suff))
+ <- mkHomeModuleLocn mod_name basename (basename ++ '.':suff)
-- take -ohi into account if present
ohi <- readIORef v_Output_hi
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 = unJust "source_unchanged" (ml_obj_file location)
+
source_unchanged <-
if not (do_recomp && ( todo == DoLink || todo == StopBefore Ln ))
then return False
let dyn_flags' = dyn_flags { hscOutName = output_fn,
hscStubCOutName = basename ++ "_stub.c",
hscStubHOutName = basename ++ "_stub.h",
- extCoreName = basename ++ ".core" }
+ extCoreName = basename ++ ".hcr" }
-- run the compiler!
pcs <- initPersistentCompilerState
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 (Just output_fn)
+ -- 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)
}
-----------------------------------------------------------------------------
| otherwise = [ ]
excessPrecision <- readIORef v_Excess_precision
- SysTools.runCc ([ SysTools.Option "-x c"
- , SysTools.FileOption input_fn
+
+ -- 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
+ , SysTools.FileOption "" output_fn
]
++ map SysTools.Option (
md_c_flags
else return []
SysTools.runMangle (map SysTools.Option mangler_opts
- ++ [ SysTools.FileOption input_fn
- , SysTools.FileOption output_fn
+ ++ [ SysTools.FileOption "" input_fn
+ , SysTools.FileOption "" output_fn
]
++ map SysTools.Option machdep_opts)
return (Just output_fn)
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
+ 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
SysTools.runAs (map SysTools.Option as_opts
++ [ SysTools.Option ("-I" ++ p) | p <- cmdline_include_paths ]
++ [ SysTools.Option "-c"
- , SysTools.FileOption input_fn
+ , SysTools.FileOption "" input_fn
, SysTools.Option "-o"
- , SysTools.FileOption output_fn
+ , SysTools.FileOption "" output_fn
])
return (Just output_fn)
odir <- readIORef v_Output_dir
let real_odir = case odir of
- Nothing -> basename
+ Nothing -> basename ++ "_split"
Just d -> d
let assemble_file n
SysTools.runAs (map SysTools.Option as_opts ++
[ SysTools.Option "-c"
, SysTools.Option "-o"
- , SysTools.FileOption real_o
- , SysTools.FileOption input_s
+ , SysTools.FileOption "" real_o
+ , SysTools.FileOption "" input_s
])
mapM_ assemble_file [1..n]
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
-- After having produced a binary, move it somewhere else and generate a
(md_c_flags, _) <- machdepCCOpts
SysTools.runLink ( [ SysTools.Option verb
, SysTools.Option "-o"
- , SysTools.FileOption output_fn
+ , SysTools.FileOption "" output_fn
]
++ map SysTools.Option (
md_c_flags
++ 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", prefixUnderscore "PrelMain_mainIO_closure" ,
- "-u", prefixUnderscore "__init_PrelMain"]
-#endif
+ [ "-u", prefixUnderscore "Main_zdmain_closure"]
else []))
-- parallel only: move binary to another dir -- HWL
SysTools.runMkDLL
([ SysTools.Option verb
, SysTools.Option "-o"
- , SysTools.FileOption output_fn
+ , SysTools.FileOption "" output_fn
]
++ map SysTools.Option (
md_c_flags
++ 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 _ -> [ "" ])
+ ++ (if "--def" `elem` (concatMap words extra_ld_opts)
+ then [ "" ]
+ else [ "--export-all" ])
++ extra_ld_opts
))
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 (filename, getFileSuffix filename)
- (fn,_) <- runPipeline pipeline (filename,getFileSuffix filename)
+ defaultHscLang fInfo
+ (fn,_) <- runPipeline pipeline fInfo
False{-no linking-} False{-no -o flag-}
return fn
showPass dyn_flags
- (showSDoc (text "Compiling" <+> ppr (name_of_summary summary)))
+ (showSDoc (text "Compiling" <+> ppr (modSummaryName summary)))
let verb = verbosity dyn_flags
let location = ms_location summary
(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 <-
HscC | keep_hc -> return (basename ++ '.':phaseInputExt HCc)
| otherwise -> newTempName (phaseInputExt HCc)
HscJava -> newTempName "java" -- ToDo
- HscILX -> return (basename ++ ".ilx")
- -- newTempName "ilx" -- 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 ++ ".core" }
+ extCoreName = basename ++ ".hcr" }
-- figure out which header files to #include in a generated .hc file
c_includes <- getPackageCIncludes
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)
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
o_time <- getModificationTime o_file
return ([DotO o_file], o_time)
- let linkable = LM unlinked_time (moduleName (ms_mod summary))
+ let linkable = LM unlinked_time (modSummaryName summary)
(hs_unlinked ++ stub_unlinked)
return (CompOK pcs details iface (Just linkable))
projects / ghc-hetmet.git / blobdiff