3 -- We always optimise this, otherwise performance of a non-optimised
4 -- compiler is severely affected
7 -- (c) The University of Glasgow 2002-2006
9 -- Binary interface file support.
11 module BinIface ( writeBinIface, readBinIface,
12 CheckHiWay(..), TraceBinIFaceReading(..) ) where
14 #include "HsVersions.h"
49 data CheckHiWay = CheckHiWay | IgnoreHiWay
52 data TraceBinIFaceReading = TraceBinIFaceReading | QuietBinIFaceReading
55 -- ---------------------------------------------------------------------------
56 -- Reading and writing binary interface files
58 readBinIface :: CheckHiWay -> TraceBinIFaceReading -> FilePath
59 -> TcRnIf a b ModIface
60 readBinIface checkHiWay traceBinIFaceReading hi_path = do
62 (new_nc, iface) <- liftIO $
63 readBinIface_ checkHiWay traceBinIFaceReading hi_path nc
67 readBinIface_ :: CheckHiWay -> TraceBinIFaceReading -> FilePath -> NameCache
68 -> IO (NameCache, ModIface)
69 readBinIface_ checkHiWay traceBinIFaceReading hi_path nc = do
70 let printer :: SDoc -> IO ()
71 printer = case traceBinIFaceReading of
72 TraceBinIFaceReading -> \sd -> printSDoc sd defaultDumpStyle
73 QuietBinIFaceReading -> \_ -> return ()
74 wantedGot :: Outputable a => String -> a -> a -> IO ()
75 wantedGot what wanted got
76 = printer (text what <> text ": " <>
77 vcat [text "Wanted " <> ppr wanted <> text ",",
78 text "got " <> ppr got])
80 errorOnMismatch :: (Eq a, Show a) => String -> a -> a -> IO ()
81 errorOnMismatch what wanted got
82 -- This will be caught by readIface which will emit an error
83 -- msg containing the iface module name.
84 = when (wanted /= got) $ ghcError $ ProgramError
85 (what ++ " (wanted " ++ show wanted
86 ++ ", got " ++ show got ++ ")")
87 bh <- Binary.readBinMem hi_path
89 -- Read the magic number to check that this really is a GHC .hi file
90 -- (This magic number does not change when we change
91 -- GHC interface file format)
93 wantedGot "Magic" binaryInterfaceMagic magic
94 errorOnMismatch "magic number mismatch: old/corrupt interface file?"
95 binaryInterfaceMagic magic
97 -- Get the dictionary pointer. We won't attempt to actually
98 -- read the dictionary until we've done the version checks below,
99 -- just in case this isn't a valid interface. In retrospect the
100 -- version should have come before the dictionary pointer, but this
101 -- is the way it was done originally, and we can't change it now.
102 dict_p <- Binary.get bh -- Get the dictionary ptr
104 -- Check the interface file version and ways.
106 let our_ver = show opt_HiVersion
107 wantedGot "Version" our_ver check_ver
108 errorOnMismatch "mismatched interface file versions" our_ver check_ver
111 way_descr <- getWayDescr
112 wantedGot "Way" way_descr check_way
113 when (checkHiWay == CheckHiWay) $
114 errorOnMismatch "mismatched interface file ways" way_descr check_way
116 -- Read the dictionary
117 -- The next word in the file is a pointer to where the dictionary is
118 -- (probably at the end of the file)
119 data_p <- tellBin bh -- Remember where we are now
121 dict <- getDictionary bh
122 seekBin bh data_p -- Back to where we were before
124 -- Initialise the user-data field of bh
125 ud <- newReadState dict
126 bh <- return (setUserData bh ud)
128 symtab_p <- Binary.get bh -- Get the symtab ptr
129 data_p <- tellBin bh -- Remember where we are now
131 (nc', symtab) <- getSymbolTable bh nc
132 seekBin bh data_p -- Back to where we were before
133 let ud = getUserData bh
134 bh <- return $! setUserData bh ud{ud_symtab = symtab}
139 writeBinIface :: DynFlags -> FilePath -> ModIface -> IO ()
140 writeBinIface dflags hi_path mod_iface = do
141 bh <- openBinMem initBinMemSize
142 put_ bh binaryInterfaceMagic
144 -- Remember where the dictionary pointer will go
145 dict_p_p <- tellBin bh
146 put_ bh dict_p_p -- Placeholder for ptr to dictionary
148 -- The version and way descriptor go next
149 put_ bh (show opt_HiVersion)
150 way_descr <- getWayDescr
153 -- Remember where the symbol table pointer will go
154 symtab_p_p <- tellBin bh
157 -- Make some intial state
158 symtab_next <- newFastMutInt
159 writeFastMutInt symtab_next 0
160 symtab_map <- newIORef emptyUFM
161 let bin_symtab = BinSymbolTable {
162 bin_symtab_next = symtab_next,
163 bin_symtab_map = symtab_map }
164 dict_next_ref <- newFastMutInt
165 writeFastMutInt dict_next_ref 0
166 dict_map_ref <- newIORef emptyUFM
167 let bin_dict = BinDictionary {
168 bin_dict_next = dict_next_ref,
169 bin_dict_map = dict_map_ref }
170 ud <- newWriteState (putName bin_symtab) (putFastString bin_dict)
172 -- Put the main thing,
173 bh <- return $ setUserData bh ud
176 -- Write the symtab pointer at the fornt of the file
177 symtab_p <- tellBin bh -- This is where the symtab will start
178 putAt bh symtab_p_p symtab_p -- Fill in the placeholder
179 seekBin bh symtab_p -- Seek back to the end of the file
181 -- Write the symbol table itself
182 symtab_next <- readFastMutInt symtab_next
183 symtab_map <- readIORef symtab_map
184 putSymbolTable bh symtab_next symtab_map
185 debugTraceMsg dflags 3 (text "writeBinIface:" <+> int symtab_next
188 -- NB. write the dictionary after the symbol table, because
189 -- writing the symbol table may create more dictionary entries.
191 -- Write the dictionary pointer at the fornt of the file
192 dict_p <- tellBin bh -- This is where the dictionary will start
193 putAt bh dict_p_p dict_p -- Fill in the placeholder
194 seekBin bh dict_p -- Seek back to the end of the file
196 -- Write the dictionary itself
197 dict_next <- readFastMutInt dict_next_ref
198 dict_map <- readIORef dict_map_ref
199 putDictionary bh dict_next dict_map
200 debugTraceMsg dflags 3 (text "writeBinIface:" <+> int dict_next
201 <+> text "dict entries")
203 -- And send the result to the file
204 writeBinMem bh hi_path
206 initBinMemSize :: Int
207 initBinMemSize = 1024 * 1024
209 -- The *host* architecture version:
210 #include "MachDeps.h"
212 binaryInterfaceMagic :: Word32
213 #if WORD_SIZE_IN_BITS == 32
214 binaryInterfaceMagic = 0x1face
215 #elif WORD_SIZE_IN_BITS == 64
216 binaryInterfaceMagic = 0x1face64
219 -- -----------------------------------------------------------------------------
222 putSymbolTable :: BinHandle -> Int -> UniqFM (Int,Name) -> IO ()
223 putSymbolTable bh next_off symtab = do
225 let names = elems (array (0,next_off-1) (eltsUFM symtab))
226 mapM_ (\n -> serialiseName bh n symtab) names
228 getSymbolTable :: BinHandle -> NameCache -> IO (NameCache, Array Int Name)
229 getSymbolTable bh namecache = do
231 od_names <- sequence (replicate sz (get bh))
233 arr = listArray (0,sz-1) names
234 (namecache', names) =
235 mapAccumR (fromOnDiskName arr) namecache od_names
237 return (namecache', arr)
239 type OnDiskName = (PackageId, ModuleName, OccName)
246 fromOnDiskName _ nc (pid, mod_name, occ) =
248 mod = mkModule pid mod_name
251 case lookupOrigNameCache cache mod occ of
252 Just name -> (nc, name)
256 uniq = uniqFromSupply us
257 name = mkExternalName uniq mod occ noSrcSpan
258 new_cache = extendNameCache cache mod occ name
260 case splitUniqSupply us of { (us',_) ->
261 ( nc{ nsUniqs = us', nsNames = new_cache }, name )
264 serialiseName :: BinHandle -> Name -> UniqFM (Int,Name) -> IO ()
265 serialiseName bh name _ = do
266 let mod = ASSERT2( isExternalName name, ppr name ) nameModule name
267 put_ bh (modulePackageId mod, moduleName mod, nameOccName name)
270 putName :: BinSymbolTable -> BinHandle -> Name -> IO ()
271 putName BinSymbolTable{
272 bin_symtab_map = symtab_map_ref,
273 bin_symtab_next = symtab_next } bh name
275 symtab_map <- readIORef symtab_map_ref
276 case lookupUFM symtab_map name of
277 Just (off,_) -> put_ bh off
279 off <- readFastMutInt symtab_next
280 writeFastMutInt symtab_next (off+1)
281 writeIORef symtab_map_ref
282 $! addToUFM symtab_map name (off,name)
286 data BinSymbolTable = BinSymbolTable {
287 bin_symtab_next :: !FastMutInt, -- The next index to use
288 bin_symtab_map :: !(IORef (UniqFM (Int,Name)))
293 putFastString :: BinDictionary -> BinHandle -> FastString -> IO ()
294 putFastString BinDictionary { bin_dict_next = j_r,
295 bin_dict_map = out_r} bh f
297 out <- readIORef out_r
298 let uniq = getUnique f
299 case lookupUFM out uniq of
300 Just (j, _) -> put_ bh j
302 j <- readFastMutInt j_r
304 writeFastMutInt j_r (j + 1)
305 writeIORef out_r $! addToUFM out uniq (j, f)
308 data BinDictionary = BinDictionary {
309 bin_dict_next :: !FastMutInt, -- The next index to use
310 bin_dict_map :: !(IORef (UniqFM (Int,FastString)))
311 -- indexed by FastString
314 -- -----------------------------------------------------------------------------
315 -- All the binary instances
318 {-! for IPName derive: Binary !-}
319 {-! for Fixity derive: Binary !-}
320 {-! for FixityDirection derive: Binary !-}
321 {-! for Boxity derive: Binary !-}
322 {-! for StrictnessMark derive: Binary !-}
323 {-! for Activation derive: Binary !-}
326 {-! for Demand derive: Binary !-}
327 {-! for Demands derive: Binary !-}
328 {-! for DmdResult derive: Binary !-}
329 {-! for StrictSig derive: Binary !-}
332 {-! for DefMeth derive: Binary !-}
335 {-! for HsPred derive: Binary !-}
336 {-! for HsType derive: Binary !-}
337 {-! for TupCon derive: Binary !-}
338 {-! for HsTyVarBndr derive: Binary !-}
341 {-! for UfExpr derive: Binary !-}
342 {-! for UfConAlt derive: Binary !-}
343 {-! for UfBinding derive: Binary !-}
344 {-! for UfBinder derive: Binary !-}
345 {-! for HsIdInfo derive: Binary !-}
346 {-! for UfNote derive: Binary !-}
349 {-! for ConDetails derive: Binary !-}
350 {-! for BangType derive: Binary !-}
353 {-! for IsCafCC derive: Binary !-}
354 {-! for IsDupdCC derive: Binary !-}
355 {-! for CostCentre derive: Binary !-}
359 -- ---------------------------------------------------------------------------
360 -- Reading a binary interface into ParsedIface
362 instance Binary ModIface where
366 mi_iface_hash= iface_hash,
367 mi_mod_hash = mod_hash,
369 mi_finsts = hasFamInsts,
372 mi_exports = exports,
373 mi_exp_hash = exp_hash,
374 mi_fixities = fixities,
378 mi_fam_insts = fam_insts,
380 mi_orphan_hash = orphan_hash,
381 mi_vect_info = vect_info,
382 mi_hpc = hpc_info }) = do
409 hasFamInsts <- get bh
411 usages <- {-# SCC "bin_usages" #-} lazyGet bh
412 exports <- {-# SCC "bin_exports" #-} get bh
414 fixities <- {-# SCC "bin_fixities" #-} get bh
415 warns <- {-# SCC "bin_warns" #-} lazyGet bh
416 decls <- {-# SCC "bin_tycldecls" #-} get bh
417 insts <- {-# SCC "bin_insts" #-} get bh
418 fam_insts <- {-# SCC "bin_fam_insts" #-} get bh
419 rules <- {-# SCC "bin_rules" #-} lazyGet bh
420 orphan_hash <- get bh
424 mi_module = mod_name,
426 mi_iface_hash = iface_hash,
427 mi_mod_hash = mod_hash,
429 mi_finsts = hasFamInsts,
432 mi_exports = exports,
433 mi_exp_hash = exp_hash,
434 mi_fixities = fixities,
437 mi_globals = Nothing,
439 mi_fam_insts = fam_insts,
441 mi_orphan_hash = orphan_hash,
442 mi_vect_info = vect_info,
444 -- And build the cached values
445 mi_warn_fn = mkIfaceWarnCache warns,
446 mi_fix_fn = mkIfaceFixCache fixities,
447 mi_hash_fn = mkIfaceHashCache decls })
449 getWayDescr :: IO String
451 tag <- readIORef v_Build_tag
452 if cGhcUnregisterised == "YES" then return ('u':tag) else return tag
453 -- if this is an unregisterised build, make sure our interfaces
454 -- can't be used by a registerised build.
456 -------------------------------------------------------------------------
457 -- Types from: HscTypes
458 -------------------------------------------------------------------------
460 instance Binary Dependencies where
461 put_ bh deps = do put_ bh (dep_mods deps)
462 put_ bh (dep_pkgs deps)
463 put_ bh (dep_orphs deps)
464 put_ bh (dep_finsts deps)
466 get bh = do ms <- get bh
470 return (Deps { dep_mods = ms, dep_pkgs = ps, dep_orphs = os,
473 instance (Binary name) => Binary (GenAvailInfo name) where
474 put_ bh (Avail aa) = do
477 put_ bh (AvailTC ab ac) = do
488 return (AvailTC ab ac)
490 instance Binary Usage where
491 put_ bh usg@UsagePackageModule{} = do
493 put_ bh (usg_mod usg)
494 put_ bh (usg_mod_hash usg)
495 put_ bh usg@UsageHomeModule{} = do
497 put_ bh (usg_mod_name usg)
498 put_ bh (usg_mod_hash usg)
499 put_ bh (usg_exports usg)
500 put_ bh (usg_entities usg)
508 return UsagePackageModule { usg_mod = nm, usg_mod_hash = mod }
514 return UsageHomeModule { usg_mod_name = nm, usg_mod_hash = mod,
515 usg_exports = exps, usg_entities = ents }
517 instance Binary Warnings where
518 put_ bh NoWarnings = putByte bh 0
519 put_ bh (WarnAll t) = do
522 put_ bh (WarnSome ts) = do
529 0 -> return NoWarnings
535 instance Binary WarningTxt where
536 put_ bh (WarningTxt w) = do
539 put_ bh (DeprecatedTxt d) = do
547 return (WarningTxt w)
549 return (DeprecatedTxt d)
551 -------------------------------------------------------------------------
552 -- Types from: BasicTypes
553 -------------------------------------------------------------------------
555 instance Binary Activation where
556 put_ bh NeverActive = do
558 put_ bh AlwaysActive = do
560 put_ bh (ActiveBefore aa) = do
563 put_ bh (ActiveAfter ab) = do
569 0 -> do return NeverActive
570 1 -> do return AlwaysActive
572 return (ActiveBefore aa)
574 return (ActiveAfter ab)
576 instance Binary StrictnessMark where
577 put_ bh MarkedStrict = do
579 put_ bh MarkedUnboxed = do
581 put_ bh NotMarkedStrict = do
586 0 -> do return MarkedStrict
587 1 -> do return MarkedUnboxed
588 _ -> do return NotMarkedStrict
590 instance Binary Boxity where
599 _ -> do return Unboxed
601 instance Binary TupCon where
602 put_ bh (TupCon ab ac) = do
608 return (TupCon ab ac)
610 instance Binary RecFlag where
611 put_ bh Recursive = do
613 put_ bh NonRecursive = do
618 0 -> do return Recursive
619 _ -> do return NonRecursive
621 instance Binary DefMeth where
622 put_ bh NoDefMeth = putByte bh 0
623 put_ bh DefMeth = putByte bh 1
624 put_ bh GenDefMeth = putByte bh 2
628 0 -> return NoDefMeth
630 _ -> return GenDefMeth
632 instance Binary FixityDirection where
642 0 -> do return InfixL
643 1 -> do return InfixR
644 _ -> do return InfixN
646 instance Binary Fixity where
647 put_ bh (Fixity aa ab) = do
653 return (Fixity aa ab)
655 instance (Binary name) => Binary (IPName name) where
656 put_ bh (IPName aa) = put_ bh aa
657 get bh = do aa <- get bh
660 -------------------------------------------------------------------------
661 -- Types from: Demand
662 -------------------------------------------------------------------------
664 instance Binary DmdType where
665 -- Ignore DmdEnv when spitting out the DmdType
666 put bh (DmdType _ ds dr) = do p <- put bh ds; put bh dr; return (castBin p)
667 get bh = do ds <- get bh; dr <- get bh; return (DmdType emptyVarEnv ds dr)
669 instance Binary Demand where
674 put_ bh (Call aa) = do
677 put_ bh (Eval ab) = do
680 put_ bh (Defer ac) = do
683 put_ bh (Box ad) = do
703 instance Binary Demands where
704 put_ bh (Poly aa) = do
707 put_ bh (Prod ab) = do
718 instance Binary DmdResult where
728 0 -> do return TopRes
729 1 -> do return RetCPR -- Really use RetCPR even if -fcpr-off
730 -- The wrapper was generated for CPR in
731 -- the imported module!
732 _ -> do return BotRes
734 instance Binary StrictSig where
735 put_ bh (StrictSig aa) = do
739 return (StrictSig aa)
742 -------------------------------------------------------------------------
743 -- Types from: CostCentre
744 -------------------------------------------------------------------------
746 instance Binary IsCafCC where
749 put_ bh NotCafCC = do
755 _ -> do return NotCafCC
757 instance Binary IsDupdCC where
758 put_ bh OriginalCC = do
765 0 -> do return OriginalCC
766 _ -> do return DupdCC
768 instance Binary CostCentre where
769 put_ bh NoCostCentre = do
771 put_ bh (NormalCC aa ab ac ad) = do
777 put_ bh (AllCafsCC ae) = do
783 0 -> do return NoCostCentre
788 return (NormalCC aa ab ac ad)
790 return (AllCafsCC ae)
792 -------------------------------------------------------------------------
793 -- IfaceTypes and friends
794 -------------------------------------------------------------------------
796 instance Binary IfaceBndr where
797 put_ bh (IfaceIdBndr aa) = do
800 put_ bh (IfaceTvBndr ab) = do
807 return (IfaceIdBndr aa)
809 return (IfaceTvBndr ab)
811 instance Binary IfaceLetBndr where
812 put_ bh (IfLetBndr a b c) = do
816 get bh = do a <- get bh
819 return (IfLetBndr a b c)
821 instance Binary IfaceType where
822 put_ bh (IfaceForAllTy aa ab) = do
826 put_ bh (IfaceTyVar ad) = do
829 put_ bh (IfaceAppTy ae af) = do
833 put_ bh (IfaceFunTy ag ah) = do
837 put_ bh (IfacePredTy aq) = do
841 -- Simple compression for common cases of TyConApp
842 put_ bh (IfaceTyConApp IfaceIntTc []) = putByte bh 6
843 put_ bh (IfaceTyConApp IfaceCharTc []) = putByte bh 7
844 put_ bh (IfaceTyConApp IfaceBoolTc []) = putByte bh 8
845 put_ bh (IfaceTyConApp IfaceListTc [ty]) = do { putByte bh 9; put_ bh ty }
846 -- Unit tuple and pairs
847 put_ bh (IfaceTyConApp (IfaceTupTc Boxed 0) []) = putByte bh 10
848 put_ bh (IfaceTyConApp (IfaceTupTc Boxed 2) [t1,t2]) = do { putByte bh 11; put_ bh t1; put_ bh t2 }
850 put_ bh (IfaceTyConApp IfaceLiftedTypeKindTc []) = putByte bh 12
851 put_ bh (IfaceTyConApp IfaceOpenTypeKindTc []) = putByte bh 13
852 put_ bh (IfaceTyConApp IfaceUnliftedTypeKindTc []) = putByte bh 14
853 put_ bh (IfaceTyConApp IfaceUbxTupleKindTc []) = putByte bh 15
854 put_ bh (IfaceTyConApp IfaceArgTypeKindTc []) = putByte bh 16
858 put_ bh (IfaceTyConApp (IfaceTc tc) tys) = do { putByte bh 18; put_ bh tc; put_ bh tys }
859 put_ bh (IfaceTyConApp tc tys) = do { putByte bh 19; put_ bh tc; put_ bh tys }
866 return (IfaceForAllTy aa ab)
868 return (IfaceTyVar ad)
871 return (IfaceAppTy ae af)
874 return (IfaceFunTy ag ah)
876 return (IfacePredTy ap)
878 -- Now the special cases for TyConApp
879 6 -> return (IfaceTyConApp IfaceIntTc [])
880 7 -> return (IfaceTyConApp IfaceCharTc [])
881 8 -> return (IfaceTyConApp IfaceBoolTc [])
882 9 -> do { ty <- get bh; return (IfaceTyConApp IfaceListTc [ty]) }
883 10 -> return (IfaceTyConApp (IfaceTupTc Boxed 0) [])
884 11 -> do { t1 <- get bh; t2 <- get bh; return (IfaceTyConApp (IfaceTupTc Boxed 2) [t1,t2]) }
885 12 -> return (IfaceTyConApp IfaceLiftedTypeKindTc [])
886 13 -> return (IfaceTyConApp IfaceOpenTypeKindTc [])
887 14 -> return (IfaceTyConApp IfaceUnliftedTypeKindTc [])
888 15 -> return (IfaceTyConApp IfaceUbxTupleKindTc [])
889 16 -> return (IfaceTyConApp IfaceArgTypeKindTc [])
891 18 -> do { tc <- get bh; tys <- get bh; return (IfaceTyConApp (IfaceTc tc) tys) }
892 _ -> do { tc <- get bh; tys <- get bh; return (IfaceTyConApp tc tys) }
894 instance Binary IfaceTyCon where
895 -- Int,Char,Bool can't show up here because they can't not be saturated
897 put_ bh IfaceIntTc = putByte bh 1
898 put_ bh IfaceBoolTc = putByte bh 2
899 put_ bh IfaceCharTc = putByte bh 3
900 put_ bh IfaceListTc = putByte bh 4
901 put_ bh IfacePArrTc = putByte bh 5
902 put_ bh IfaceLiftedTypeKindTc = putByte bh 6
903 put_ bh IfaceOpenTypeKindTc = putByte bh 7
904 put_ bh IfaceUnliftedTypeKindTc = putByte bh 8
905 put_ bh IfaceUbxTupleKindTc = putByte bh 9
906 put_ bh IfaceArgTypeKindTc = putByte bh 10
907 put_ bh (IfaceTupTc bx ar) = do { putByte bh 11; put_ bh bx; put_ bh ar }
908 put_ bh (IfaceTc ext) = do { putByte bh 12; put_ bh ext }
913 1 -> return IfaceIntTc
914 2 -> return IfaceBoolTc
915 3 -> return IfaceCharTc
916 4 -> return IfaceListTc
917 5 -> return IfacePArrTc
918 6 -> return IfaceLiftedTypeKindTc
919 7 -> return IfaceOpenTypeKindTc
920 8 -> return IfaceUnliftedTypeKindTc
921 9 -> return IfaceUbxTupleKindTc
922 10 -> return IfaceArgTypeKindTc
923 11 -> do { bx <- get bh; ar <- get bh; return (IfaceTupTc bx ar) }
924 _ -> do { ext <- get bh; return (IfaceTc ext) }
926 instance Binary IfacePredType where
927 put_ bh (IfaceClassP aa ab) = do
931 put_ bh (IfaceIParam ac ad) = do
935 put_ bh (IfaceEqPred ac ad) = do
944 return (IfaceClassP aa ab)
947 return (IfaceIParam ac ad)
950 return (IfaceEqPred ac ad)
951 _ -> panic ("get IfacePredType " ++ show h)
953 -------------------------------------------------------------------------
954 -- IfaceExpr and friends
955 -------------------------------------------------------------------------
957 instance Binary IfaceExpr where
958 put_ bh (IfaceLcl aa) = do
961 put_ bh (IfaceType ab) = do
964 put_ bh (IfaceTuple ac ad) = do
968 put_ bh (IfaceLam ae af) = do
972 put_ bh (IfaceApp ag ah) = do
977 put_ bh (IfaceCase ai aj al ak) = do
984 put_ bh (IfaceLet al am) = do
988 put_ bh (IfaceNote an ao) = do
992 put_ bh (IfaceLit ap) = do
995 put_ bh (IfaceFCall as at) = do
999 put_ bh (IfaceExt aa) = do
1002 put_ bh (IfaceCast ie ico) = do
1006 put_ bh (IfaceTick m ix) = do
1013 0 -> do aa <- get bh
1014 return (IfaceLcl aa)
1015 1 -> do ab <- get bh
1016 return (IfaceType ab)
1017 2 -> do ac <- get bh
1019 return (IfaceTuple ac ad)
1020 3 -> do ae <- get bh
1022 return (IfaceLam ae af)
1023 4 -> do ag <- get bh
1025 return (IfaceApp ag ah)
1026 5 -> do ai <- get bh
1032 return (IfaceCase ai aj al ak)
1033 6 -> do al <- get bh
1035 return (IfaceLet al am)
1036 7 -> do an <- get bh
1038 return (IfaceNote an ao)
1039 8 -> do ap <- get bh
1040 return (IfaceLit ap)
1041 9 -> do as <- get bh
1043 return (IfaceFCall as at)
1044 10 -> do aa <- get bh
1045 return (IfaceExt aa)
1046 11 -> do ie <- get bh
1048 return (IfaceCast ie ico)
1049 12 -> do m <- get bh
1051 return (IfaceTick m ix)
1052 _ -> panic ("get IfaceExpr " ++ show h)
1054 instance Binary IfaceConAlt where
1055 put_ bh IfaceDefault = do
1057 put_ bh (IfaceDataAlt aa) = do
1060 put_ bh (IfaceTupleAlt ab) = do
1063 put_ bh (IfaceLitAlt ac) = do
1069 0 -> do return IfaceDefault
1070 1 -> do aa <- get bh
1071 return (IfaceDataAlt aa)
1072 2 -> do ab <- get bh
1073 return (IfaceTupleAlt ab)
1074 _ -> do ac <- get bh
1075 return (IfaceLitAlt ac)
1077 instance Binary IfaceBinding where
1078 put_ bh (IfaceNonRec aa ab) = do
1082 put_ bh (IfaceRec ac) = do
1088 0 -> do aa <- get bh
1090 return (IfaceNonRec aa ab)
1091 _ -> do ac <- get bh
1092 return (IfaceRec ac)
1094 instance Binary IfaceIdInfo where
1095 put_ bh NoInfo = putByte bh 0
1096 put_ bh (HasInfo i) = do
1098 lazyPut bh i -- NB lazyPut
1104 _ -> do info <- lazyGet bh -- NB lazyGet
1105 return (HasInfo info)
1107 instance Binary IfaceInfoItem where
1108 put_ bh (HsArity aa) = do
1111 put_ bh (HsStrictness ab) = do
1114 put_ bh (HsUnfold ad) = do
1117 put_ bh (HsInline ad) = do
1120 put_ bh HsNoCafRefs = do
1122 put_ bh (HsWorker ae af) = do
1129 0 -> do aa <- get bh
1131 1 -> do ab <- get bh
1132 return (HsStrictness ab)
1133 2 -> do ad <- get bh
1134 return (HsUnfold ad)
1135 3 -> do ad <- get bh
1136 return (HsInline ad)
1137 4 -> do return HsNoCafRefs
1138 _ -> do ae <- get bh
1140 return (HsWorker ae af)
1142 instance Binary IfaceNote where
1143 put_ bh (IfaceSCC aa) = do
1146 put_ bh IfaceInlineMe = do
1148 put_ bh (IfaceCoreNote s) = do
1154 0 -> do aa <- get bh
1155 return (IfaceSCC aa)
1156 3 -> do return IfaceInlineMe
1157 4 -> do ac <- get bh
1158 return (IfaceCoreNote ac)
1159 _ -> panic ("get IfaceNote " ++ show h)
1161 -------------------------------------------------------------------------
1162 -- IfaceDecl and friends
1163 -------------------------------------------------------------------------
1165 -- A bit of magic going on here: there's no need to store the OccName
1166 -- for a decl on the disk, since we can infer the namespace from the
1167 -- context; however it is useful to have the OccName in the IfaceDecl
1168 -- to avoid re-building it in various places. So we build the OccName
1169 -- when de-serialising.
1171 instance Binary IfaceDecl where
1172 put_ bh (IfaceId name ty idinfo) = do
1174 put_ bh (occNameFS name)
1177 put_ _ (IfaceForeign _ _) =
1178 error "Binary.put_(IfaceDecl): IfaceForeign"
1179 put_ bh (IfaceData a1 a2 a3 a4 a5 a6 a7 a8) = do
1181 put_ bh (occNameFS a1)
1189 put_ bh (IfaceSyn a1 a2 a3 a4 a5) = do
1191 put_ bh (occNameFS a1)
1196 put_ bh (IfaceClass a1 a2 a3 a4 a5 a6 a7) = do
1199 put_ bh (occNameFS a2)
1208 0 -> do name <- get bh
1211 occ <- return $! mkOccNameFS varName name
1212 return (IfaceId occ ty idinfo)
1213 1 -> error "Binary.get(TyClDecl): ForeignType"
1223 occ <- return $! mkOccNameFS tcName a1
1224 return (IfaceData occ a2 a3 a4 a5 a6 a7 a8)
1231 occ <- return $! mkOccNameFS tcName a1
1232 return (IfaceSyn occ a2 a3 a4 a5)
1241 occ <- return $! mkOccNameFS clsName a2
1242 return (IfaceClass a1 occ a3 a4 a5 a6 a7)
1244 instance Binary IfaceInst where
1245 put_ bh (IfaceInst cls tys dfun flag orph) = do
1251 get bh = do cls <- get bh
1256 return (IfaceInst cls tys dfun flag orph)
1258 instance Binary IfaceFamInst where
1259 put_ bh (IfaceFamInst fam tys tycon) = do
1263 get bh = do fam <- get bh
1266 return (IfaceFamInst fam tys tycon)
1268 instance Binary OverlapFlag where
1269 put_ bh NoOverlap = putByte bh 0
1270 put_ bh OverlapOk = putByte bh 1
1271 put_ bh Incoherent = putByte bh 2
1272 get bh = do h <- getByte bh
1274 0 -> return NoOverlap
1275 1 -> return OverlapOk
1276 2 -> return Incoherent
1277 _ -> panic ("get OverlapFlag " ++ show h)
1279 instance Binary IfaceConDecls where
1280 put_ bh IfAbstractTyCon = putByte bh 0
1281 put_ bh IfOpenDataTyCon = putByte bh 1
1282 put_ bh (IfDataTyCon cs) = do { putByte bh 2
1284 put_ bh (IfNewTyCon c) = do { putByte bh 3
1289 0 -> return IfAbstractTyCon
1290 1 -> return IfOpenDataTyCon
1291 2 -> do cs <- get bh
1292 return (IfDataTyCon cs)
1293 _ -> do aa <- get bh
1294 return (IfNewTyCon aa)
1296 instance Binary IfaceConDecl where
1297 put_ bh (IfCon a1 a2 a3 a4 a5 a6 a7 a8 a9) = do
1307 get bh = do a1 <- get bh
1316 return (IfCon a1 a2 a3 a4 a5 a6 a7 a8 a9)
1318 instance Binary IfaceClassOp where
1319 put_ bh (IfaceClassOp n def ty) = do
1320 put_ bh (occNameFS n)
1327 occ <- return $! mkOccNameFS varName n
1328 return (IfaceClassOp occ def ty)
1330 instance Binary IfaceRule where
1331 put_ bh (IfaceRule a1 a2 a3 a4 a5 a6 a7) = do
1347 return (IfaceRule a1 a2 a3 a4 a5 a6 a7)
1349 instance Binary IfaceVectInfo where
1350 put_ bh (IfaceVectInfo a1 a2 a3) = do
1358 return (IfaceVectInfo a1 a2 a3)