--
-----------------------------------------------------------------------------
-#include "../includes/config.h"
+#include "../includes/ghcconfig.h"
module DriverPipeline (
-- Interfaces for the batch-mode driver
- runPipeline, staticLink,
+ compileFile, staticLink,
-- Interfaces for the compilation manager (interpreted/batch-mode)
preprocess,
import GetImports
import DriverState
import DriverUtil
-import DriverMkDepend
import DriverPhases
import DriverFlags
import SysTools ( newTempName, addFilesToClean, getSysMan, copy )
import RdrName ( GlobalRdrEnv )
import Panic
import Util
+import StringBuffer ( hGetStringBuffer )
import BasicTypes ( SuccessFlag(..) )
import Maybes ( expectJust )
import EXCEPTION
import DATA_IOREF ( readIORef, writeIORef )
-#ifdef GHCI
-import Time ( getClockTime )
-#endif
import Directory
import System
import IO
-- Just preprocess a file, put the result in a temp. file (used by the
-- compilation manager during the summary phase).
+--
+-- We return the augmented DynFlags, because they contain the result
+-- of slurping in the OPTIONS pragmas
-preprocess :: FilePath -> IO FilePath
-preprocess filename =
- ASSERT(isHaskellSrcFilename filename)
- do restoreDynFlags -- Restore to state of last save
- runPipeline (StopBefore Hsc) ("preprocess")
+preprocess :: DynFlags -> FilePath -> IO (DynFlags, FilePath)
+preprocess dflags filename =
+ ASSERT2(isHaskellSrcFilename filename, text filename)
+ runPipeline (StopBefore anyHsc) dflags ("preprocess")
False{-temporary output file-}
Nothing{-no specific output file-}
filename
Nothing{-no ModLocation-}
+
+
+-- ---------------------------------------------------------------------------
+-- Compile a file
+-- This is used in batch mode
+compileFile :: GhcMode -> DynFlags -> FilePath -> IO FilePath
+compileFile mode dflags src = do
+ exists <- doesFileExist src
+ when (not exists) $
+ throwDyn (CmdLineError ("file `" ++ src ++ "' does not exist"))
+
+ o_file <- readIORef v_Output_file
+ no_link <- readIORef v_NoLink -- Set by -c or -no-link
+ -- When linking, the -o argument refers to the linker's output.
+ -- otherwise, we use it as the name for the pipeline's output.
+ let maybe_o_file | no_link = o_file
+ | otherwise = Nothing
+
+ stop_flag <- readIORef v_GhcModeFlag
+ (_, out_file) <- runPipeline mode dflags stop_flag True maybe_o_file
+ src Nothing{-no ModLocation-}
+ return out_file
+
+
-- ---------------------------------------------------------------------------
-- Compile
-- NB. No old interface can also mean that the source has changed.
compile :: HscEnv
- -> Module
- -> ModLocation
- -> Bool -- True <=> source unchanged
- -> Bool -- True <=> have object
- -> Maybe ModIface -- old interface, if available
+ -> ModSummary
+ -> Bool -- True <=> source unchanged
+ -> Bool -- True <=> have object
+ -> Maybe ModIface -- Old interface, if available
-> IO CompResult
data CompResult
| CompErrs
-compile hsc_env this_mod location
- source_unchanged have_object
- old_iface = do
+compile hsc_env mod_summary
+ source_unchanged have_object old_iface = do
- dyn_flags <- restoreDynFlags -- Restore to the state of the last save
+ let dyn_flags = hsc_dflags hsc_env
+ this_mod = ms_mod mod_summary
+ src_flavour = ms_hsc_src mod_summary
- showPass dyn_flags
- (showSDoc (text "Compiling" <+> ppr this_mod))
+ showPass dyn_flags ("Compiling " ++ showModMsg have_object mod_summary)
let verb = verbosity dyn_flags
+ let location = ms_location mod_summary
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
+ let input_fnpp = expectJust "compile:hspp" (ms_hspp_file mod_summary)
when (verb >= 2) (hPutStrLn stderr ("compile: input file " ++ input_fnpp))
+ -- Add in the OPTIONS from the source file
+ -- This is nasty: we've done this once already, in the compilation manager
+ -- It might be better to cache the flags in the ml_hspp_file field,say
opts <- getOptionsFromSource input_fnpp
- processArgs dynamic_flags opts []
- dyn_flags <- getDynFlags
+ (dyn_flags,unhandled_flags) <- processDynamicFlags opts dyn_flags
+ checkProcessArgsResult unhandled_flags input_fn
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 (Just location)
-
- let dyn_flags' = dyn_flags { hscLang = hsc_lang,
+
+ -- We add the directory in which the .hs files resides) to the import path.
+ -- This is needed when we try to compile the .hc file later, if it
+ -- imports a _stub.h file that we created here.
+ let current_dir = directoryOf basename
+ old_paths <- readIORef v_Include_paths
+ writeIORef v_Include_paths (current_dir : old_paths)
+ -- put back the old include paths afterward.
+ later (writeIORef v_Include_paths old_paths) $ do
+
+ -- Figure out what lang we're generating
+ todo <- readIORef v_GhcMode
+ hsc_lang <- hscMaybeAdjustTarget todo src_flavour (hscTarget dyn_flags)
+ -- ... and what the next phase should be
+ next_phase <- hscNextPhase src_flavour hsc_lang
+ -- ... and what file to generate the output into
+ get_output_fn <- genOutputFilenameFunc next_phase False Nothing basename
+ output_fn <- get_output_fn next_phase (Just location)
+
+ let dyn_flags' = dyn_flags { hscTarget = 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
+ let do_recomp = recompFlag dyn_flags
+ source_unchanged' = source_unchanged && do_recomp
hsc_env' = hsc_env { hsc_dflags = dyn_flags' }
-- run the compiler
- hsc_result <- hscMain hsc_env' this_mod location
+ hsc_result <- hscMain hsc_env' printErrorsAndWarnings mod_summary
source_unchanged' have_object old_iface
case hsc_result of
HscNoRecomp details iface -> return (CompOK details Nothing iface Nothing)
HscRecomp details rdr_env iface
- stub_h_exists stub_c_exists maybe_interpreted_code -> do
+ stub_h_exists stub_c_exists maybe_interpreted_code
+
+ | isHsBoot src_flavour -- No further compilation to do
+ -> return (CompOK details rdr_env iface Nothing)
+
+ | otherwise -- Normal Haskell source files
+ -> do
let
maybe_stub_o <- compileStub dyn_flags' stub_c_exists
let stub_unlinked = case maybe_stub_o of
HscInterpreted ->
case maybe_interpreted_code of
#ifdef GHCI
- Just comp_bc -> do tm <- getClockTime
- return ([BCOs comp_bc], tm)
+ Just comp_bc -> return ([BCOs comp_bc], ms_hs_date mod_summary)
+ -- Why do we use the timestamp of the source file here,
+ -- rather than the current time? This works better in
+ -- the case where the local clock is out of sync
+ -- with the filesystem's clock. It's just as accurate:
+ -- if the source is modified, then the linkable will
+ -- be out of date.
#endif
Nothing -> panic "compile: no interpreted code"
_other -> do
let object_filename = ml_obj_file location
- runPipeline (StopBefore Ln) ""
- True Nothing output_fn (Just location)
+ runPipeline DoLink dyn_flags ""
+ True Nothing output_fn (Just location)
-- the object filename comes from the ModLocation
o_time <- getModificationTime object_filename
return ([DotO object_filename], o_time)
- let linkable = LM unlinked_time mod_name
+ let linkable = LM unlinked_time this_mod
(hs_unlinked ++ stub_unlinked)
return (CompOK details rdr_env iface (Just linkable))
| 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
- Nothing{-no ModLocation-}
+ (_, stub_o) <- runPipeline DoLink dflags "stub-compile"
+ True{-persistent output-}
+ Nothing{-no specific output file-}
+ stub_c
+ Nothing{-no ModLocation-}
return (Just stub_o)
omit_linking <- readIORef v_NoLink
if omit_linking
then do when (verb >= 3) $
- hPutStrLn stderr "link(batch): linking omitted (-no-link flag given)."
+ hPutStrLn stderr "link(batch): linking omitted (-c flag given)."
return Succeeded
else do
obj_files = concatMap getOfiles linkables
-- Don't showPass in Batch mode; doLink will do that for us.
- staticLink obj_files pkg_deps
+ staticLink dflags obj_files pkg_deps
when (verb >= 3) (hPutStrLn stderr "link: done")
-- ---------------------------------------------------------------------------
-- Run a compilation pipeline, consisting of multiple phases.
+-- The DynFlags can be modified by phases in the pipeline (eg. by
+-- OPTIONS pragmas), and the changes affect later phases in the
+-- pipeline, but we throw away the resulting DynFlags at the end.
+
runPipeline
:: GhcMode -- when to stop
+ -> DynFlags -- dynamic flags
-> String -- "stop after" flag
-> Bool -- final output is persistent?
-> Maybe FilePath -- where to put the output, optionally
-> FilePath -- input filename
-> Maybe ModLocation -- a ModLocation for this module, if we have one
- -> IO FilePath -- output filename
+ -> IO (DynFlags, FilePath) -- (final flags, output filename)
-runPipeline todo stop_flag keep_output maybe_output_filename input_fn maybe_loc
+runPipeline todo dflags stop_flag keep_output
+ maybe_output_filename input_fn maybe_loc
= 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
+ todo' = case todo of
+ StopBefore As | split -> StopBefore SplitAs
+ other -> todo
-- 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
-- There is a partial ordering on phases, where A < B iff A occurs
-- before B in a normal compilation pipeline.
--
+ let stop_phase = case todo' of
+ StopBefore phase -> phase
+ other -> StopLn
+
when (not (start_phase `happensBefore` stop_phase)) $
throwDyn (UsageError
("flag `" ++ stop_flag
-- 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
+ get_output_fn <- genOutputFilenameFunc stop_phase keep_output
+ maybe_output_filename basename
- -- and execute the pipeline...
- (output_fn, maybe_loc) <-
- pipeLoop start_phase stop_phase input_fn basename suffix
- get_output_fn maybe_loc
+ -- Execute the pipeline...
+ (dflags', output_fn, maybe_loc) <- pipeLoop todo' dflags start_phase stop_phase input_fn
+ basename suffix get_output_fn maybe_loc
- -- sometimes, a compilation phase doesn't actually generate any output
+ -- 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
+ if keep_output
then do final_fn <- get_output_fn stop_phase maybe_loc
when (final_fn /= output_fn) $
- copy ("Copying `" ++ output_fn ++ "' to `" ++ final_fn
+ copy dflags ("Copying `" ++ output_fn ++ "' to `" ++ final_fn
++ "'") output_fn final_fn
- return final_fn
+ return (dflags', final_fn)
else
- return output_fn
+ return (dflags', output_fn)
-pipeLoop :: Phase -> Phase -> FilePath -> String -> Suffix
- -> (Phase -> Maybe ModLocation -> IO FilePath)
- -> Maybe ModLocation -> IO (FilePath, Maybe ModLocation)
+pipeLoop :: GhcMode -> DynFlags -> Phase -> Phase
+ -> FilePath -> String -> Suffix
+ -> (Phase -> Maybe ModLocation -> IO FilePath)
+ -> Maybe ModLocation
+ -> IO (DynFlags, FilePath, Maybe ModLocation)
-pipeLoop phase stop_phase input_fn orig_basename orig_suff
- get_output_fn maybe_loc
+pipeLoop orig_todo dflags phase stop_phase
+ input_fn orig_basename orig_suff
+ orig_get_output_fn maybe_loc
- | phase == stop_phase = return (input_fn, maybe_loc) -- all done
+ | phase `eqPhase` stop_phase -- All done
+ = return (dflags, input_fn, maybe_loc)
- | not (phase `happensBefore` stop_phase) =
+ | 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 maybe_loc
- case maybe_next_phase of
- (Nothing, maybe_loc, output_fn) -> do
- -- we stopped early, but return the *final* filename
- -- (it presumably already exists)
- final_fn <- get_output_fn stop_phase maybe_loc
- return (final_fn, maybe_loc)
- (Just next_phase, maybe_loc, output_fn) ->
- pipeLoop next_phase stop_phase output_fn
- orig_basename orig_suff get_output_fn maybe_loc
-
-
-genOutputFilenameFunc :: Bool -> Maybe FilePath -> Phase -> String
+ = panic ("pipeLoop: at phase " ++ show phase ++
+ " but I wanted to stop at phase " ++ show stop_phase)
+
+ | otherwise
+ = do { (next_phase, dflags', maybe_loc, output_fn)
+ <- runPhase phase orig_todo dflags orig_basename
+ orig_suff input_fn orig_get_output_fn maybe_loc
+ ; pipeLoop orig_todo dflags' next_phase stop_phase output_fn
+ orig_basename orig_suff orig_get_output_fn maybe_loc }
+
+genOutputFilenameFunc :: Phase -> Bool -> Maybe FilePath -> String
-> IO (Phase{-next phase-} -> Maybe ModLocation -> IO FilePath)
-genOutputFilenameFunc keep_final_output maybe_output_filename
- stop_phase basename
+genOutputFilenameFunc stop_phase keep_final_output maybe_output_filename basename
= do
hcsuf <- readIORef v_HC_suf
odir <- readIORef v_Output_dir
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
+ myPhaseInputExt HCc = hcsuf
+ myPhaseInputExt StopLn = osuf
+ myPhaseInputExt other = phaseInputExt other
func next_phase maybe_location
| is_last_phase, Just f <- maybe_output_filename = return f
| otherwise = newTempName suffix
where
- is_last_phase = next_phase == stop_phase
+ is_last_phase = next_phase `eqPhase` stop_phase
-- sometimes, we keep output from intermediate stages
keep_this_output =
case next_phase of
- Ln -> True
+ StopLn -> True
Mangle | keep_raw_s -> True
As | keep_s -> True
HCc | keep_hc -> True
-- persistent object files get put in odir
persistent_fn
- | Ln <- next_phase = return odir_persistent
- | otherwise = return persistent
+ | StopLn <- next_phase = return odir_persistent
+ | otherwise = return persistent
persistent = basename ++ '.':suffix
-- 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 -> Maybe ModLocation -> IO FilePath)
+ -> GhcMode
+ -> DynFlags
+ -> String -- basename of original input source
+ -> String -- its extension
+ -> FilePath -- name of file which contains the input to this phase.
+ -> (Phase -> Maybe ModLocation -> IO FilePath)
-- how to calculate the output filename
- -> Maybe ModLocation -- the ModLocation, if we have one
- -> IO (Maybe Phase, -- next phase
- Maybe ModLocation, -- the ModLocation, if we have one
- FilePath) -- output filename
+ -> Maybe ModLocation -- the ModLocation, if we have one
+ -> IO (Phase, -- next phase
+ DynFlags, -- new dynamic flags
+ Maybe ModLocation, -- the ModLocation, if we have one
+ FilePath) -- output filename
+
+ -- Invariant: the output filename always contains the output
+ -- Interesting case: Hsc when there is no recompilation to do
+ -- Then the output filename is still a .o file
-------------------------------------------------------------------------------
-- Unlit phase
-runPhase Unlit _basename _suff input_fn get_output_fn maybe_loc
- = do unlit_flags <- getOpts opt_L
+runPhase (Unlit sf) _todo dflags _basename _suff input_fn get_output_fn maybe_loc
+ = do let unlit_flags = getOpts dflags opt_L
-- The -h option passes the file name for unlit to put in a #line directive
- output_fn <- get_output_fn Cpp maybe_loc
+ output_fn <- get_output_fn (Cpp sf) maybe_loc
- SysTools.runUnlit (map SysTools.Option unlit_flags ++
+ SysTools.runUnlit dflags
+ (map SysTools.Option unlit_flags ++
[ SysTools.Option "-h"
, SysTools.Option input_fn
, SysTools.FileOption "" input_fn
, SysTools.FileOption "" output_fn
])
- return (Just Cpp, maybe_loc, output_fn)
+ return (Cpp sf, dflags, maybe_loc, output_fn)
-------------------------------------------------------------------------------
--- Cpp phase
+-- Cpp phase : (a) gets OPTIONS out of file
+-- (b) runs cpp if necessary
-runPhase Cpp basename suff input_fn get_output_fn maybe_loc
+runPhase (Cpp sf) _todo dflags basename suff input_fn get_output_fn maybe_loc
= do src_opts <- getOptionsFromSource input_fn
- unhandled_flags <- processArgs dynamic_flags src_opts []
- checkProcessArgsResult unhandled_flags basename suff
+ (dflags,unhandled_flags) <- processDynamicFlags src_opts dflags
+ checkProcessArgsResult unhandled_flags (basename++'.':suff)
- do_cpp <- dynFlag cppFlag
- if not do_cpp then
+ if not (cppFlag dflags) then
-- no need to preprocess CPP, just pass input file along
-- to the next phase of the pipeline.
- return (Just HsPp, maybe_loc, input_fn)
+ return (HsPp sf, dflags, maybe_loc, 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 = foldr (\ x xs -> "-I" : x : xs) []
- (cmdline_include_paths ++ pkg_include_dirs)
-
- verb <- getVerbFlag
- (md_c_flags, _) <- machdepCCOpts
-
- output_fn <- get_output_fn HsPp maybe_loc
-
- 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, maybe_loc, output_fn)
+ output_fn <- get_output_fn (HsPp sf) maybe_loc
+ doCpp dflags True{-raw-} False{-no CC opts-} input_fn output_fn
+ return (HsPp sf, dflags, maybe_loc, output_fn)
-------------------------------------------------------------------------------
-- HsPp phase
-runPhase HsPp basename suff input_fn get_output_fn maybe_loc
- = do do_pp <- dynFlag ppFlag
- if not do_pp then
+runPhase (HsPp sf) _todo dflags basename suff input_fn get_output_fn maybe_loc
+ = do if not (ppFlag dflags) then
-- no need to preprocess, just pass input file along
-- to the next phase of the pipeline.
- return (Just Hsc, maybe_loc, input_fn)
+ return (Hsc sf, dflags, maybe_loc, input_fn)
else do
- hspp_opts <- getOpts opt_F
+ let hspp_opts = getOpts dflags opt_F
hs_src_pp_opts <- readIORef v_Hs_source_pp_opts
let orig_fn = basename ++ '.':suff
- output_fn <- get_output_fn Hsc maybe_loc
- SysTools.runPp ( [ SysTools.Option orig_fn
+ output_fn <- get_output_fn (Hsc sf) maybe_loc
+ SysTools.runPp dflags
+ ( [ 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, maybe_loc, output_fn)
+ return (Hsc sf, dflags, maybe_loc, output_fn)
-----------------------------------------------------------------------------
-- Hsc phase
-- Compilation of a single module, in "legacy" mode (_not_ under
-- the direction of the compilation manager).
-runPhase Hsc basename suff input_fn get_output_fn _maybe_loc = do
- todo <- readIORef v_GhcMode
- if todo == DoMkDependHS then do
- locn <- doMkDependHSPhase basename suff input_fn
- return (Nothing, Just locn, input_fn) -- Ln is a dummy stop phase
-
- else do
- -- normal Hsc mode, not mkdependHS
+runPhase (Hsc src_flavour) todo dflags basename suff input_fn get_output_fn _maybe_loc
+ = 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
writeIORef v_Include_paths (current_dir : paths)
-- gather the imports and module name
- (_,_,mod_name) <-
- if isExtCoreFilename ('.':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.
- (mod, location') <- mkHomeModLocation mod_name (basename ++ '.':suff)
-
- -- take -ohi into account if present
+ (hspp_buf,mod_name) <-
+ case src_flavour of
+ ExtCoreFile -> do { -- no explicit imports in ExtCore input.
+ ; m <- getCoreModuleName input_fn
+ ; return (Nothing, mkModule m) }
+
+ other -> do { buf <- hGetStringBuffer input_fn
+ ; (_,_,mod_name) <- getImports dflags buf input_fn
+ ; return (Just buf, mod_name) }
+
+ -- Build a ModLocation to pass to hscMain.
+ -- The source filename is rather irrelevant by now, but it's used
+ -- by hscMain for messages. hscMain also needs
+ -- the .hi and .o filenames, and this is as good a way
+ -- as any to generate them, and better than most. (e.g. takes
+ -- into accout the -osuf flags)
+ location1 <- mkHomeModLocation2 mod_name basename suff
+
+ -- Boot-ify it if necessary
+ let location2 | isHsBoot src_flavour = addBootSuffixLocn location1
+ | otherwise = location1
+
+
+ -- Take -ohi into account if present
+ -- This can't be done in mkHomeModuleLocation because
+ -- it only applies to the module being compiles
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.
+ let location3 | Just fn <- ohi = location2{ ml_hi_file = fn }
+ | otherwise = location2
+
+ -- Take -o into account if present
+ -- Very like -ohi, but we must *only* do this if we aren't linking
+ -- (If we're linking then the -o applies to the linked thing, not to
+ -- the object file for one module.)
+ -- Note the nasty duplication with the same computation in compileFile above
+ expl_o_file <- readIORef v_Output_file
+ no_link <- readIORef v_NoLink
+ let location4 | Just ofile <- expl_o_file, no_link
+ = location3 { ml_obj_file = ofile }
+ | otherwise = location3
+
+ -- Tell the finder cache about this module
+ addHomeModuleToFinder mod_name location4
+
+ -- Make the ModSummary to hand to hscMain
+ src_timestamp <- getModificationTime (basename ++ '.':suff)
+ let
+ unused_field = panic "runPhase:ModSummary field"
+ -- Some fields are not looked at by hscMain
+ mod_summary = ModSummary { ms_mod = mod_name,
+ ms_hsc_src = src_flavour,
+ ms_hspp_file = Just input_fn,
+ ms_hspp_buf = hspp_buf,
+ ms_location = location4,
+ ms_hs_date = src_timestamp,
+ ms_imps = unused_field,
+ ms_srcimps = unused_field }
+
+ o_file = ml_obj_file location4 -- The real object file
+
+
+ -- Figure out if the source has changed, for recompilation avoidance.
-- only do this if we're eventually going to generate a .o file.
-- (ToDo: do when generating .hc files too?)
--
-- 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
- 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
-
+ let do_recomp = recompFlag dflags
source_unchanged <-
- if not (do_recomp && ( todo == DoLink || todo == StopBefore Ln ))
+ if not (do_recomp && case todo of { DoLink -> True; other -> False })
then return False
- else do t1 <- getModificationTime (basename ++ '.':suff)
- o_file_exists <- doesFileExist o_file
+ else do o_file_exists <- doesFileExist o_file
if not o_file_exists
then return False -- Need to recompile
else do t2 <- getModificationTime o_file
- if t2 > t1
+ if t2 > src_timestamp
then return True
else return False
-- get the DynFlags
- dyn_flags <- getDynFlags
- hsc_lang <- hscMaybeAdjustLang (hscLang dyn_flags)
- next_phase <- hscNextPhase hsc_lang
- output_fn <- get_output_fn next_phase (Just location)
-
- let dyn_flags' = dyn_flags { hscLang = hsc_lang,
- hscOutName = output_fn,
- hscStubCOutName = basename ++ "_stub.c",
- hscStubHOutName = basename ++ "_stub.h",
- extCoreName = basename ++ ".hcr" }
- hsc_env <- newHscEnv OneShot dyn_flags'
+ hsc_lang <- hscMaybeAdjustTarget todo src_flavour (hscTarget dflags)
+ next_phase <- hscNextPhase src_flavour hsc_lang
+ output_fn <- get_output_fn next_phase (Just location4)
+
+ let dflags' = dflags { hscTarget = hsc_lang,
+ hscOutName = output_fn,
+ hscStubCOutName = basename ++ "_stub.c",
+ hscStubHOutName = basename ++ "_stub.h",
+ extCoreName = basename ++ ".hcr" }
+
+ hsc_env <- newHscEnv OneShot dflags'
-- run the compiler!
- result <- hscMain hsc_env mod
- location{ ml_hspp_file=Just input_fn }
- source_unchanged
- False
- Nothing -- no iface
+ result <- hscMain hsc_env printErrorsAndWarnings
+ mod_summary source_unchanged
+ False -- No object file
+ Nothing -- No iface
case result of
HscFail -> throwDyn (PhaseFailed "hsc" (ExitFailure 1))
HscNoRecomp details iface -> do
- SysTools.touch "Touching object file" o_file
- return (Nothing, Just location, output_fn)
+ SysTools.touch dflags' "Touching object file" o_file
+ return (StopLn, dflags', Just location4, o_file)
HscRecomp _details _rdr_env _iface
stub_h_exists stub_c_exists
_maybe_interpreted_code -> do
- -- deal with stubs
- maybe_stub_o <- compileStub dyn_flags' stub_c_exists
+ -- Deal with stubs
+ maybe_stub_o <- compileStub dflags' stub_c_exists
case maybe_stub_o of
- Nothing -> return ()
+ Nothing -> return ()
Just stub_o -> add v_Ld_inputs stub_o
- case hscLang dyn_flags of
- HscNothing -> return (Nothing, Just location, output_fn)
- _ -> return (Just next_phase, Just location, output_fn)
+
+ -- In the case of hs-boot files, generate a dummy .o-boot
+ -- stamp file for the benefit of Make
+ case src_flavour of
+ HsBootFile -> SysTools.touch dflags' "Touching object file" o_file
+ other -> return ()
+
+ return (next_phase, dflags', Just location4, output_fn)
-----------------------------------------------------------------------------
--- Cc phase
+-- Cmm phase
--- 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.
+runPhase CmmCpp todo dflags basename suff input_fn get_output_fn maybe_loc
+ = do
+ output_fn <- get_output_fn Cmm maybe_loc
+ doCpp dflags False{-not raw-} True{-include CC opts-} input_fn output_fn
+ return (Cmm, dflags, maybe_loc, output_fn)
-runPhase cc_phase basename suff input_fn get_output_fn maybe_loc
- | cc_phase == Cc || cc_phase == HCc
- = do cc_opts <- getOpts opt_c
- cmdline_include_paths <- readIORef v_Include_paths
+runPhase Cmm todo dflags basename suff input_fn get_output_fn maybe_loc
+ = do
+ hsc_lang <- hscMaybeAdjustTarget todo HsSrcFile (hscTarget dflags)
+ next_phase <- hscNextPhase HsSrcFile hsc_lang
+ output_fn <- get_output_fn next_phase maybe_loc
- split <- readIORef v_Split_object_files
- mangle <- readIORef v_Do_asm_mangling
+ let dflags' = dflags { hscTarget = hsc_lang,
+ hscOutName = output_fn,
+ hscStubCOutName = basename ++ "_stub.c",
+ hscStubHOutName = basename ++ "_stub.h",
+ extCoreName = basename ++ ".hcr" }
- let hcc = cc_phase == HCc
+ ok <- hscCmmFile dflags' input_fn
- next_phase
- | hcc && mangle = Mangle
- | otherwise = As
+ when (not ok) $ throwDyn (PhaseFailed "cmm" (ExitFailure 1))
- output_fn <- get_output_fn next_phase maybe_loc
+ return (next_phase, dflags, maybe_loc, output_fn)
+
+-----------------------------------------------------------------------------
+-- Cc phase
+
+-- 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.
+
+runPhase cc_phase todo dflags basename suff input_fn get_output_fn maybe_loc
+ | cc_phase `eqPhase` Cc || cc_phase `eqPhase` HCc
+ = do let cc_opts = getOpts dflags opt_c
+ hcc = cc_phase `eqPhase` HCc
+
+ cmdline_include_paths <- readIORef v_Include_paths
-- 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
+ pkg_include_dirs <- getPackageIncludePath dflags 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
+ (md_c_flags, md_regd_c_flags) <- machdepCCOpts dflags
- verb <- getVerbFlag
+ let verb = getVerbFlag dflags
- pkg_extra_cc_opts <- getPackageExtraCcOpts pkgs
+ pkg_extra_cc_opts <- getPackageExtraCcOpts dflags pkgs
split_objs <- readIORef v_Split_object_files
let split_opt | hcc && split_objs = [ "-DUSE_SPLIT_MARKERS" ]
excessPrecision <- readIORef v_Excess_precision
+ -- Decide next phase
+ mangle <- readIORef v_Do_asm_mangling
+ let next_phase
+ | hcc && mangle = Mangle
+ | otherwise = As
+ output_fn <- get_output_fn next_phase maybe_loc
+
-- 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 = [ ]
+ let langopt | hcc = [ SysTools.Option "-x", SysTools.Option "c"]
+ | otherwise = [ ]
- SysTools.runCc (langopt ++
+ SysTools.runCc dflags (langopt ++
[ SysTools.FileOption "" input_fn
, SysTools.Option "-o"
, SysTools.FileOption "" output_fn
]
++ map SysTools.Option (
md_c_flags
- ++ (if cc_phase == HCc && mangle
+ ++ (if hcc && mangle
then md_regd_c_flags
else [])
++ [ verb, "-S", "-Wimplicit", "-O" ]
++ pkg_extra_cc_opts
))
- return (Just next_phase, maybe_loc, output_fn)
+ return (next_phase, dflags, maybe_loc, output_fn)
-- ToDo: postprocess the output from gcc
-----------------------------------------------------------------------------
-- Mangle phase
-runPhase Mangle _basename _suff input_fn get_output_fn maybe_loc
- = 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 []
+runPhase Mangle todo dflags _basename _suff input_fn get_output_fn maybe_loc
+ = do let mangler_opts = getOpts dflags opt_m
+
+#if i386_TARGET_ARCH
+ machdep_opts <- return [ show (stolen_x86_regs dflags) ]
+#else
+ machdep_opts <- return []
+#endif
split <- readIORef v_Split_object_files
let next_phase
| otherwise = As
output_fn <- get_output_fn next_phase maybe_loc
- SysTools.runMangle (map SysTools.Option mangler_opts
+ SysTools.runMangle dflags (map SysTools.Option mangler_opts
++ [ SysTools.FileOption "" input_fn
, SysTools.FileOption "" output_fn
]
++ map SysTools.Option machdep_opts)
- return (Just next_phase, maybe_loc, output_fn)
+ return (next_phase, dflags, maybe_loc, output_fn)
-----------------------------------------------------------------------------
-- Splitting phase
-runPhase SplitMangle _basename _suff input_fn get_output_fn maybe_loc
+runPhase SplitMangle todo dflags _basename _suff input_fn get_output_fn maybe_loc
= 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.runSplit dflags
+ [ SysTools.FileOption "" input_fn
, SysTools.FileOption "" split_s_prefix
, SysTools.FileOption "" n_files_fn
]
addFilesToClean [ split_s_prefix ++ "__" ++ show n ++ ".s"
| n <- [1..n_files]]
- return (Just SplitAs, maybe_loc, "**splitmangle**")
+ return (SplitAs, dflags, maybe_loc, "**splitmangle**")
-- we don't use the filename
-----------------------------------------------------------------------------
-- As phase
-runPhase As _basename _suff input_fn get_output_fn maybe_loc
- = do as_opts <- getOpts opt_a
+runPhase As todo dflags _basename _suff input_fn get_output_fn maybe_loc
+ = do let as_opts = getOpts dflags opt_a
cmdline_include_paths <- readIORef v_Include_paths
- output_fn <- get_output_fn Ln maybe_loc
+ output_fn <- get_output_fn StopLn maybe_loc
-- we create directories for the object file, because it
-- might be a hierarchical module.
createDirectoryHierarchy (directoryOf output_fn)
- SysTools.runAs (map SysTools.Option as_opts
+ SysTools.runAs dflags
+ (map SysTools.Option as_opts
++ [ SysTools.Option ("-I" ++ p) | p <- cmdline_include_paths ]
++ [ SysTools.Option "-c"
, SysTools.FileOption "" input_fn
, SysTools.FileOption "" output_fn
])
- return (Just Ln, maybe_loc, output_fn)
+ return (StopLn, dflags, maybe_loc, output_fn)
-runPhase SplitAs basename _suff _input_fn get_output_fn maybe_loc
- = do as_opts <- getOpts opt_a
+runPhase SplitAs todo dflags basename _suff _input_fn get_output_fn maybe_loc
+ = do let as_opts = getOpts dflags opt_a
(split_s_prefix, n) <- readIORef v_Split_info
(basename ++ "__" ++ show n ++ ".o")
real_odir
real_o <- osuf_ify output_o
- SysTools.runAs (map SysTools.Option as_opts ++
+ SysTools.runAs dflags
+ (map SysTools.Option as_opts ++
[ SysTools.Option "-c"
, SysTools.Option "-o"
, SysTools.FileOption "" real_o
mapM_ assemble_file [1..n]
- output_fn <- get_output_fn Ln maybe_loc
- return (Just Ln, maybe_loc, output_fn)
+ output_fn <- get_output_fn StopLn maybe_loc
+ return (StopLn, dflags, maybe_loc, 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 maybe_loc
- = do ilx2il_opts <- getOpts opt_I
+runPhase Ilx2Il todo dflags _basename _suff input_fn get_output_fn maybe_loc
+ = do let ilx2il_opts = getOpts dflags opt_I
SysTools.runIlx2il (map SysTools.Option ilx2il_opts
++ [ SysTools.Option "--no-add-suffix-to-assembly",
SysTools.Option "mscorlib",
-- Ilasm phase
-- Run ilasm over the IL, getting a DLL
-runPhase Ilasm _basename _suff input_fn get_output_fn maybe_loc
- = do ilasm_opts <- getOpts opt_i
+runPhase Ilasm todo dflags _basename _suff input_fn get_output_fn maybe_loc
+ = do let ilasm_opts = getOpts dflags opt_i
SysTools.runIlasm (map SysTools.Option ilasm_opts
++ [ SysTools.Option "/QUIET",
SysTools.Option "/DLL",
-----------------------------------------------------------------------------
-- Complain about non-dynamic flags in OPTIONS pragmas
-checkProcessArgsResult flags basename suff
+checkProcessArgsResult flags filename
= do when (notNull flags) (throwDyn (ProgramError (
- showSDoc (hang (text basename <> text ('.':suff) <> char ':')
+ showSDoc (hang (text filename <> char ':')
4 (text "unknown flags in {-# OPTIONS #-} pragma:" <+>
hsep (map text flags)))
)))
-----------------------------------------------------------------------------
-- Look for the /* GHC_PACKAGES ... */ comment at the top of a .hc file
-getHCFilePackages :: FilePath -> IO [PackageName]
+getHCFilePackages :: FilePath -> IO [PackageId]
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))
+ return (map stringToPackageId (words rest))
_other ->
return []
-- 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
+staticLink :: DynFlags -> [FilePath] -> [PackageId] -> IO ()
+staticLink dflags o_files dep_packages = do
+ let verb = getVerbFlag dflags
static <- readIORef v_Static
no_hs_main <- readIORef v_NoHsMain
-- dependencies, and eliminating duplicates.
o_file <- readIORef v_Output_file
+#if defined(mingw32_HOST_OS)
+ let output_fn = case o_file of { Just s -> s; Nothing -> "main.exe"; }
+#else
let output_fn = case o_file of { Just s -> s; Nothing -> "a.out"; }
+#endif
- pkg_lib_paths <- getPackageLibraryPath dep_packages
+ pkg_lib_paths <- getPackageLibraryPath dflags 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_link_opts <- getPackageLinkOpts dep_packages
+ pkg_link_opts <- getPackageLinkOpts dflags dep_packages
#ifdef darwin_TARGET_OS
- pkg_framework_paths <- getPackageFrameworkPath dep_packages
+ pkg_framework_paths <- getPackageFrameworkPath dflags dep_packages
let pkg_framework_path_opts = map ("-F"++) pkg_framework_paths
framework_paths <- readIORef v_Framework_paths
let framework_path_opts = map ("-F"++) framework_paths
- pkg_frameworks <- getPackageFrameworks dep_packages
+ pkg_frameworks <- getPackageFrameworks dflags 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
-- opts from -optl-<blah> (including -l<blah> options)
extra_ld_opts <- getStaticOpts v_Opt_l
- [rts_pkg, std_pkg] <- getPackageDetails [rtsPackage, basePackage]
+ ways <- readIORef v_Ways
- let extra_os = if static || no_hs_main
- then []
- else [ head (library_dirs rts_pkg) ++ "/Main.dll_o",
- head (library_dirs std_pkg) ++ "/PrelMain.dll_o" ]
+ -- Here are some libs that need to be linked at the *end* of
+ -- the command line, because they contain symbols that are referred to
+ -- by the RTS. We can't therefore use the ordinary way opts for these.
+ let
+ debug_opts | WayDebug `elem` ways = [
+#if defined(HAVE_LIBBFD)
+ "-lbfd", "-liberty"
+#endif
+ ]
+ | otherwise = []
- (md_c_flags, _) <- machdepCCOpts
- SysTools.runLink ( [ SysTools.Option verb
+ let
+ thread_opts | WayThreaded `elem` ways = [
+#if !defined(mingw32_TARGET_OS) && !defined(freebsd_TARGET_OS)
+ "-lpthread"
+#endif
+#if defined(osf3_TARGET_OS)
+ , "-lexc"
+#endif
+ ]
+ | otherwise = []
+
+ (md_c_flags, _) <- machdepCCOpts dflags
+ SysTools.runLink dflags (
+ [ 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
++ pkg_framework_path_opts
++ pkg_framework_opts
#endif
+ ++ debug_opts
+ ++ thread_opts
))
-- parallel only: move binary to another dir -- HWL
-----------------------------------------------------------------------------
-- Making a DLL (only for Win32)
-doMkDLL :: [String] -> [PackageName] -> IO ()
-doMkDLL o_files dep_packages = do
- verb <- getVerbFlag
+doMkDLL :: DynFlags -> [String] -> [PackageId] -> IO ()
+doMkDLL dflags o_files dep_packages = do
+ let verb = getVerbFlag dflags
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 dep_packages
+ pkg_lib_paths <- getPackageLibraryPath dflags 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_link_opts <- getPackageLinkOpts dep_packages
+ pkg_link_opts <- getPackageLinkOpts dflags dep_packages
-- probably _stub.o files
extra_ld_inputs <- readIORef v_Ld_inputs
-- opts from -optdll-<blah>
extra_ld_opts <- getStaticOpts v_Opt_dll
- [rts_pkg, std_pkg] <- getPackageDetails [rtsPackage, basePackage]
+ let pstate = pkgState dflags
+ rts_id | ExtPackage id <- rtsPackageId pstate = id
+ | otherwise = panic "staticLink: rts package missing"
+ base_id | ExtPackage id <- basePackageId pstate = id
+ | otherwise = panic "staticLink: base package missing"
+ rts_pkg = getPackageDetails pstate rts_id
+ base_pkg = getPackageDetails pstate base_id
let extra_os = if static || no_hs_main
then []
- else [ head (library_dirs rts_pkg) ++ "/Main.dll_o",
- head (library_dirs std_pkg) ++ "/PrelMain.dll_o" ]
+ else [ head (libraryDirs rts_pkg) ++ "/Main.dll_o",
+ head (libraryDirs base_pkg) ++ "/PrelMain.dll_o" ]
- (md_c_flags, _) <- machdepCCOpts
- SysTools.runMkDLL
+ (md_c_flags, _) <- machdepCCOpts dflags
+ SysTools.runMkDLL dflags
([ SysTools.Option verb
, SysTools.Option "-o"
, SysTools.FileOption "" output_fn
-- -----------------------------------------------------------------------------
-- Misc.
-hscNextPhase :: HscLang -> IO Phase
-hscNextPhase hsc_lang = do
+doCpp :: DynFlags -> Bool -> Bool -> FilePath -> FilePath -> IO ()
+doCpp dflags raw include_cc_opts input_fn output_fn = do
+ let hscpp_opts = getOpts dflags opt_P
+
+ cmdline_include_paths <- readIORef v_Include_paths
+
+ pkg_include_dirs <- getPackageIncludePath dflags []
+ let include_paths = foldr (\ x xs -> "-I" : x : xs) []
+ (cmdline_include_paths ++ pkg_include_dirs)
+
+ let verb = getVerbFlag dflags
+
+ cc_opts <- if not include_cc_opts
+ then return []
+ else do let optc = getOpts dflags opt_c
+ (md_c_flags, _) <- machdepCCOpts dflags
+ return (optc ++ md_c_flags)
+
+ let cpp_prog args | raw = SysTools.runCpp dflags args
+ | otherwise = SysTools.runCc dflags (SysTools.Option "-E" : args)
+
+ let target_defs =
+ [ "-D" ++ HOST_OS ++ "BUILD_OS=1",
+ "-D" ++ HOST_ARCH ++ "BUILD_ARCH=1",
+ "-D" ++ TARGET_OS ++ "HOST_OS=1",
+ "-D" ++ TARGET_ARCH ++ "HOST_ARCH=1" ]
+ -- remember, in code we *compile*, the HOST is the same our TARGET,
+ -- and BUILD is the same as our HOST.
+
+ cpp_prog ([SysTools.Option verb]
+ ++ map SysTools.Option include_paths
+ ++ map SysTools.Option hsSourceCppOpts
+ ++ map SysTools.Option hscpp_opts
+ ++ map SysTools.Option cc_opts
+ ++ map SysTools.Option target_defs
+ ++ [ 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
+ ])
+
+-- -----------------------------------------------------------------------------
+-- Misc.
+
+hscNextPhase :: HscSource -> HscTarget -> IO Phase
+hscNextPhase HsBootFile hsc_lang
+ = return StopLn
+
+hscNextPhase other 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 -- "" ""
+ HscNothing -> StopLn
+ HscInterpreted -> StopLn
+ _other -> StopLn
)
-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
+hscMaybeAdjustTarget :: GhcMode -> HscSource -> HscTarget -> IO HscTarget
+hscMaybeAdjustTarget todo HsBootFile current_hsc_lang
+ = return HscNothing -- No output (other than Foo.hi-boot) for hs-boot files
+hscMaybeAdjustTarget todo other current_hsc_lang
+ = do { 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
+ | StopBefore HCc <- todo = HscC
+ | keep_hc = HscC
+ -- otherwise, stick to the plan
+ | otherwise = current_hsc_lang
+ ; return hsc_lang }
projects / ghc-hetmet.git / blobdiff