module Rename ( renameModule ) where
-import PreludeGlaST ( thenPrimIO, returnPrimIO, fixPrimIO, newVar, MutableVar(..) )
+import PreludeGlaST ( thenPrimIO, newVar, MutableVar(..) )
import Ubiq
import HsSyn
import RdrHsSyn ( RdrNameHsModule(..), RdrNameImportDecl(..) )
-import RnHsSyn ( RnName, RenamedHsModule(..), isRnTyCon, isRnClass )
+import RnHsSyn ( RnName(..){-.. is for Ix hack only-}, RenamedHsModule(..), isRnTyConOrClass, isRnWired )
-import ParseIface ( ParsedIface )
+--ToDo:rm: all for debugging only
+import Maybes
+import Name
+import Outputable
+import RnIfaces
+import PprStyle
+import Pretty
+import FiniteMap
+import Util (pprPanic, pprTrace)
+
+import ParseUtils ( ParsedIface(..), RdrIfaceDecl(..), RdrIfaceInst(..),
+ UsagesMap(..), VersionsMap(..)
+ )
import RnMonad
import RnNames ( getGlobalNames, GlobalNameInfo(..) )
import RnSource ( rnSource )
-import RnIfaces ( findHiFiles, rnIfaces, finalIfaceInfo, VersionInfo(..) )
-import RnUtils ( extendGlobalRnEnv, emptyRnEnv, multipleOccWarn )
-import MainMonad
+import RnIfaces ( rnIfaces )
+import RnUtils ( RnEnv(..), extendGlobalRnEnv, emptyRnEnv, multipleOccWarn )
-import Bag ( isEmptyBag, unionBags, bagToList, listToBag )
-import CmdLineOpts ( opt_HiDirList, opt_SysHiDirList )
+import Bag ( isEmptyBag, unionBags, unionManyBags, bagToList, listToBag )
+import CmdLineOpts ( opt_HiMap )
import ErrUtils ( Error(..), Warning(..) )
-import FiniteMap ( emptyFM, eltsFM )
-import Name ( getOrigNameRdr, isLocallyDefined, Name, RdrName(..) )
-import PrelInfo ( BuiltinNames(..), BuiltinKeys(..) )
+import FiniteMap ( emptyFM, eltsFM, fmToList, lookupFM{-ToDo:rm-} )
+import Maybes ( catMaybes )
+import Name ( isLocallyDefined, mkBuiltinName, Name, RdrName(..) )
+import PrelInfo ( builtinNameInfo, BuiltinNames(..), BuiltinKeys(..) )
+import PrelMods ( pRELUDE )
+import Unique ( ixClassKey )
import UniqFM ( emptyUFM, lookupUFM, addListToUFM_C, eltsUFM )
import UniqSupply ( splitUniqSupply )
import Util ( panic, assertPanic )
\end{code}
\begin{code}
-renameModule :: BuiltinNames
- -> BuiltinKeys
- -> UniqSupply
+renameModule :: UniqSupply
-> RdrNameHsModule
- -> MainIO
- (
- RenamedHsModule, -- output, after renaming
- [Module], -- imported modules; for profiling
+ -> IO (RenamedHsModule, -- output, after renaming
+ RnEnv, -- final env (for renaming derivings)
+ [Module], -- imported modules; for profiling
- VersionInfo, -- version info; for usage
- [Module], -- instance modules; for iface
+ (UsagesMap,
+ VersionsMap, -- version info; for usage
+ [Module]), -- instance modules; for iface
- Bag Error,
- Bag Warning
- )
-\end{code}
+ Bag Error,
+ Bag Warning)
+\end{code}
ToDo: May want to arrange to return old interface for this module!
-ToDo: Return OrigName RnEnv to rename derivings etc with.
-ToDo: Builtin names which must be read.
ToDo: Deal with instances (instance version, this module on instance list ???)
\begin{code}
-renameModule b_names b_keys us
- input@(HsModule mod _ _ imports _ _ _ _ _ _ _ _ _ _)
+renameModule us input@(HsModule mod _ _ imports _ _ _ _ _ _ _ _ _ _)
- = findHiFiles opt_HiDirList opt_SysHiDirList `thenMn` \ hi_files ->
- newVar (emptyFM, hi_files) `thenPrimIO` \ iface_var ->
+ = let
+ (b_names, b_keys, _) = builtinNameInfo
+ in
+ --pprTrace "builtins:\n" (case b_names of { (builtin_ids, builtin_tcs) ->
+ -- ppAboves [ ppCat (map ppPStr (keysFM builtin_ids))
+ -- , ppCat (map ppPStr (keysFM builtin_tcs))
+ -- , ppCat (map ppPStr (keysFM b_keys))
+ -- ]}) $
- fixPrimIO ( \ ~(_, _, _, _, rec_occ_fm, rec_export_fn) ->
+ makeHiMap opt_HiMap >>= \ hi_files ->
+-- pprTrace "HiMap:\n" (ppAboves [ ppCat [ppPStr m, ppStr p] | (m,p) <- fmToList hi_files])
+ newVar (emptyFM,emptyFM,hi_files){-init iface cache-} `thenPrimIO` \ iface_cache ->
+
+ fixIO ( \ ~(_, _, _, _, rec_occ_fm, rec_export_fn) ->
let
rec_occ_fn :: Name -> [RdrName]
rec_occ_fn n = case lookupUFM rec_occ_fm n of
global_name_info = (b_names, b_keys, rec_export_fn, rec_occ_fn)
in
- getGlobalNames iface_var global_name_info us1 input
- `thenPrimIO` \ (occ_env, imp_mods, unqual_imps, imp_fixes, top_errs, top_warns) ->
+ getGlobalNames iface_cache global_name_info us1 input >>=
+ \ (occ_env, imp_mods, unqual_imps, imp_fixes, top_errs, top_warns) ->
if not (isEmptyBag top_errs) then
- returnPrimIO (rn_panic, rn_panic, top_errs, top_warns, emptyUFM, rn_panic)
+ return (rn_panic, rn_panic, top_errs, top_warns, emptyUFM, rn_panic)
else
-- No top-level name errors so rename source ...
(rnSource imp_mods unqual_imps imp_fixes input) of {
((rn_module, export_fn, src_occs), src_errs, src_warns) ->
+ --pprTrace "renameModule:" (ppCat (map (ppr PprDebug . fst) (bagToList src_occs))) $
+
let
occ_fm :: UniqFM (RnName, [RdrName])
multiple_occs (rn, (o1:o2:_)) = True
multiple_occs _ = False
in
- returnPrimIO (rn_module, imp_mods,
- top_errs `unionBags` src_errs,
- top_warns `unionBags` src_warns `unionBags` listToBag occ_warns,
- occ_fm, export_fn)
+ return (rn_module, imp_mods,
+ top_errs `unionBags` src_errs,
+ top_warns `unionBags` src_warns `unionBags` listToBag occ_warns,
+ occ_fm, export_fn)
- }) `thenPrimIO` \ (rn_module, imp_mods, errs_so_far, warns_so_far, occ_fm, _) ->
+ }) >>= \ (rn_module, imp_mods, errs_so_far, warns_so_far, occ_fm, _) ->
if not (isEmptyBag errs_so_far) then
- returnMn (rn_panic, rn_panic, rn_panic, rn_panic,
- errs_so_far, warns_so_far)
+ return (rn_panic, rn_panic, rn_panic, rn_panic, errs_so_far, warns_so_far)
else
-- No errors renaming source so rename the interfaces ...
let
- imports_used = [ rn | (rn,_) <- eltsUFM occ_fm, not (isLocallyDefined rn) ]
- (import_tcs, import_vals) = partition (\ rn -> isRnTyCon rn || isRnClass rn) imports_used
+ -- split up all names that occurred in the source; between
+ -- those that are defined therein and those merely mentioned.
+ -- We also divide by tycon/class and value names (as usual).
- (orig_env, orig_dups) = extendGlobalRnEnv emptyRnEnv (map pair_orig import_vals)
- (map pair_orig import_tcs)
- pair_orig rn = (getOrigNameRdr rn, rn)
+ occ_rns = [ rn | (rn,_) <- eltsUFM occ_fm ]
+ -- all occurrence names, from this module and imported
- -- ToDo: Do we need top-level names from this module in orig_env ???
- in
- ASSERT (isEmptyBag orig_dups)
- rnIfaces iface_var orig_env us3 rn_module imports_used
- `thenPrimIO` \ (rn_module_with_imports,
- (implicit_val_fm, implicit_tc_fm),
- iface_errs, iface_warns) ->
- let
- all_imports_used = imports_used ++ eltsFM implicit_tc_fm ++ eltsFM implicit_val_fm
+ (defined_here, defined_elsewhere)
+ = partition isLocallyDefined occ_rns
+
+ (_, imports_used)
+ = partition isRnWired defined_elsewhere
+
+ (def_tcs, def_vals) = partition isRnTyConOrClass defined_here
+ (occ_tcs, occ_vals) = partition isRnTyConOrClass occ_rns
+ -- the occ stuff includes *all* occurrences,
+ -- including those for which we have definitions
+
+ (orig_def_env, orig_def_dups)
+ = extendGlobalRnEnv emptyRnEnv (map pair_orig def_vals)
+ (map pair_orig def_tcs)
+ (orig_occ_env, orig_occ_dups)
+ = extendGlobalRnEnv emptyRnEnv (map pair_orig occ_vals)
+ (map pair_orig occ_tcs)
+
+ pair_orig rn = (origName rn, rn)
+
+ must_haves
+ = [ name_fn (mkBuiltinName u mod str)
+ | ((str, mod), (u, name_fn)) <- fmToList b_keys,
+ str `notElem` [ SLIT("main"), SLIT("mainPrimIO")] ]
in
- finalIfaceInfo iface_var all_imports_used imp_mods
- `thenPrimIO` \ (version_info, instance_mods) ->
+-- ASSERT (isEmptyBag orig_occ_dups)
+ (if (isEmptyBag orig_occ_dups) then \x->x
+ else pprTrace "orig_occ_dups:" (ppAboves [ ppCat [ppr PprDebug m, ppr PprDebug n, ppr PprDebug o] | (m,n,o) <- bagToList orig_occ_dups])) $
+ ASSERT (isEmptyBag orig_def_dups)
- returnMn (rn_module_with_imports, imp_mods,
- version_info, instance_mods,
- errs_so_far `unionBags` iface_errs,
- warns_so_far `unionBags` iface_warns)
+ rnIfaces iface_cache imp_mods us3 orig_def_env orig_occ_env
+ rn_module (must_haves ++ imports_used) >>=
+ \ (rn_module_with_imports, final_env,
+ (implicit_val_fm, implicit_tc_fm),
+ usage_stuff,
+ (iface_errs, iface_warns)) ->
+ return (rn_module_with_imports,
+ final_env,
+ imp_mods,
+ usage_stuff,
+ errs_so_far `unionBags` iface_errs,
+ warns_so_far `unionBags` iface_warns)
where
rn_panic = panic "renameModule: aborted with errors"
(us1, us') = splitUniqSupply us
(us2, us3) = splitUniqSupply us'
\end{code}
+
+\begin{code}
+makeHiMap :: Maybe String -> IO (FiniteMap Module FilePath)
+
+makeHiMap Nothing = error "Rename.makeHiMap:no .hi map given by the GHC driver (?)"
+makeHiMap (Just f)
+ = readFile f >>= \ cts ->
+ return (snag_mod emptyFM cts [])
+ where
+ -- we alternate between "snag"ging mod(ule names) and path(names),
+ -- accumulating names (reversed) and the final resulting map
+ -- as we move along.
+
+ snag_mod map [] [] = map
+ snag_mod map (' ':cs) rmod = snag_path map (_PK_ (reverse rmod)) cs []
+ snag_mod map (c:cs) rmod = snag_mod map cs (c:rmod)
+
+ snag_path map mod [] rpath = addToFM map mod (reverse rpath)
+ snag_path map mod ('\n':cs) rpath = snag_mod (addToFM map mod (reverse rpath)) cs []
+ snag_path map mod (c:cs) rpath = snag_path map mod cs (c:rpath)
+\end{code}
+
+\begin{code}
+{- TESTING:
+pprPIface (ParsedIface m ms v mv usgs lcm exm ims lfx ltdm lvdm lids ldp)
+ = ppAboves [
+ ppCat [ppPStr SLIT("interface"), ppPStr m, ppInt v,
+ case mv of { Nothing -> ppNil; Just n -> ppInt n }],
+
+ ppPStr SLIT("__versions__"),
+ ppAboves [ ppCat[ppPStr n, ppInt v] | (n,v) <- fmToList lcm ],
+
+ ppPStr SLIT("__exports__"),
+ ppAboves [ ppBesides[ppPStr n, ppSP, ppr PprDebug rn,
+ case ex of {ExportAll -> ppStr "(..)"; _ -> ppNil}]
+ | (n,(rn,ex)) <- fmToList exm ],
+
+ pp_ims (bagToList ims),
+ pp_fixities lfx,
+ pp_decls ltdm lvdm,
+ pp_insts (bagToList lids),
+ pp_pragmas ldp
+ ]
+ where
+ pp_ims [] = ppNil
+ pp_ims ms = ppAbove (ppPStr SLIT("__instance_modules__"))
+ (ppCat (map ppPStr ms))
+
+ pp_fixities fx
+ | isEmptyFM fx = ppNil
+ | otherwise = ppAboves (ppPStr SLIT("__fixities__")
+ : [ ppr PprDebug fix | (n, fix) <- fmToList fx])
+
+ pp_decls tds vds = ppAboves (ppPStr SLIT("__declarations__")
+ : [ pprRdrIfaceDecl d | (n, d) <- fmToList tds ++ fmToList vds])
+
+ pp_insts [] = ppNil
+ pp_insts is = ppAboves (ppPStr SLIT("__instances__")
+ : [ pprRdrInstDecl i | i <- is])
+
+ pp_pragmas ps | isEmptyFM ps = ppNil
+ | otherwise = panic "Rename.pp_pragmas"
+
+pprRdrIfaceDecl (TypeSig tc _ decl)
+ = ppBesides [ppStr "tycon=", ppr PprDebug tc, ppStr "; ", ppr PprDebug decl]
+
+pprRdrIfaceDecl (NewTypeSig tc dc _ decl)
+ = ppBesides [ppStr "tycon=", ppr PprDebug tc, ppStr "; datacon=", ppr PprDebug dc,
+ ppStr "; ", ppr PprDebug decl]
+
+pprRdrIfaceDecl (DataSig tc dcs dfs _ decl)
+ = ppBesides [ppStr "tycon=", ppr PprDebug tc, ppStr "; datacons=", ppr PprDebug dcs,
+ ppStr "; fields=", ppr PprDebug dfs, ppStr "; ", ppr PprDebug decl]
+
+pprRdrIfaceDecl (ClassSig c ops _ decl)
+ = ppBesides [ppStr "class=", ppr PprDebug c, ppStr "; ops=", ppr PprDebug ops,
+ ppStr "; ", ppr PprDebug decl]
+
+pprRdrIfaceDecl (ValSig f _ ty)
+ = ppBesides [ppr PprDebug f, ppStr " :: ", ppr PprDebug ty]
+
+pprRdrInstDecl (InstSig c t _ decl)
+ = ppBesides [ppStr "class=", ppr PprDebug c, ppStr " type=", ppr PprDebug t, ppStr "; ",
+ ppr PprDebug decl]
+-}
+\end{code}
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