import DriverMkDepend
import DriverPhases
import DriverFlags
-import SysTools ( newTempName, addFilesToClean, getSysMan )
+import SysTools ( newTempName, addFilesToClean, getSysMan, copy )
import qualified SysTools
import HscMain
import Finder
([(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")
+ "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 ]
+ | todo == DoMkDependHS = [ Unlit, Cpp, HsPp, MkDependHS ]
| haskellish =
case real_lang of
- HscC | split && mangle -> [ Unlit, Cpp, Hsc, HCc, Mangle,
+ HscC | split && mangle -> [ Unlit, Cpp, HsPp, Hsc, HCc, Mangle,
SplitMangle, SplitAs ]
- | mangle -> [ Unlit, Cpp, Hsc, HCc, Mangle, As ]
+ | mangle -> [ Unlit, Cpp, HsPp, Hsc, HCc, Mangle, As ]
| split -> not_valid
- | otherwise -> [ Unlit, Cpp, Hsc, HCc, As ]
+ | otherwise -> [ Unlit, Cpp, HsPp, Hsc, HCc, As ]
- HscAsm | split -> [ Unlit, Cpp, Hsc, SplitMangle, SplitAs ]
- | otherwise -> [ Unlit, Cpp, Hsc, As ]
+ HscAsm | split -> [ Unlit, Cpp, HsPp, Hsc, SplitMangle, SplitAs ]
+ | otherwise -> [ Unlit, Cpp, HsPp, Hsc, As ]
HscJava | split -> not_valid
| otherwise -> error "not implemented: compiling via Java"
#ifdef ILX
HscILX | split -> not_valid
- | otherwise -> [ Unlit, Cpp, Hsc, Ilx2Il, Ilasm ]
+ | otherwise -> [ Unlit, Cpp, HsPp, Hsc, Ilx2Il, Ilasm ]
#endif
- HscNothing -> [ Unlit, Cpp, Hsc ]
+ HscNothing -> [ Unlit, Cpp, HsPp, Hsc ]
| cish = [ Cc, As ]
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 ++ "'")))
let
-- .o and .hc suffixes can be overriden by command-line options:
myPhaseInputExt Ln | Just s <- osuf = s
As | keep_s -> Persistent
HCc | keep_hc -> Persistent
#ifdef ILX
+ Ilx2Il | keep_ilx -> Persistent
Ilasm | keep_il -> Persistent
#endif
_other -> Temporary
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
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"
])
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 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)
+ sequence_ (zipWith (\o d -> hPutStrLn hdl (o ++ " : " ++ d)) objs deps)
- mapM genDep [ d | Just d <- deps ]
-
- return (Just output_fn)
+ sequence_ (map genDep [ d | Just d <- deps ])
+ return (Just output_fn)
-- add the lines to dep_makefile:
-- always:
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
(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 <-
projects / ghc-hetmet.git / blobdiff