module Rename ( renameModule ) where
-import PreludeGlaST ( thenPrimIO, newVar, MutableVar(..) )
+import PreludeGlaST ( thenPrimIO )
-import Ubiq
+IMP_Ubiq()
+IMPORT_1_3(List(partition))
import HsSyn
import RdrHsSyn ( RdrNameHsModule(..), RdrNameImportDecl(..) )
-import RnHsSyn ( RnName, RenamedHsModule(..), isRnTyConOrClass, isRnWired )
+import RnHsSyn ( RnName(..){-.. is for Ix hack only-}, SYN_IE(RenamedHsModule), isRnTyConOrClass, isRnWired )
--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(..) )
+--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 RnNames ( getGlobalNames, SYN_IE(GlobalNameInfo) )
import RnSource ( rnSource )
-import RnIfaces ( findHiFiles, rnIfaces, finalIfaceInfo, VersionInfo(..) )
-import RnUtils ( extendGlobalRnEnv, emptyRnEnv, multipleOccWarn )
-import MainMonad
+import RnIfaces ( rnIfaces, initIfaceCache, IfaceCache )
+import RnUtils ( SYN_IE(RnEnv), extendGlobalRnEnv, emptyRnEnv )
import Bag ( isEmptyBag, unionBags, unionManyBags, bagToList, listToBag )
-import CmdLineOpts ( opt_HiDirList, opt_SysHiDirList )
-import ErrUtils ( Error(..), Warning(..) )
-import FiniteMap ( emptyFM, eltsFM, fmToList, lookupFM{-ToDo:rm-} )
+import CmdLineOpts ( opt_HiMap, opt_NoImplicitPrelude )
+import ErrUtils ( SYN_IE(Error), SYN_IE(Warning) )
+import FiniteMap ( emptyFM, eltsFM, fmToList, addToFM, FiniteMap )
import Maybes ( catMaybes )
-import Name ( isLocallyDefined, mkBuiltinName, Name, RdrName(..) )
-import PrelInfo ( BuiltinNames(..), BuiltinKeys(..) )
-import PrelMods ( pRELUDE )
+import Name ( isLocallyDefined, mkWiredInName, getLocalName, isLocalName,
+ origName,
+ Name, RdrName(..), ExportFlag(..)
+ )
+--import PprStyle -- ToDo:rm
+import PrelInfo ( builtinNameMaps, builtinKeysMap, SYN_IE(BuiltinNames), SYN_IE(BuiltinKeys) )
+import Pretty
+import Unique ( ixClassKey )
import UniqFM ( emptyUFM, lookupUFM, addListToUFM_C, eltsUFM )
import UniqSupply ( splitUniqSupply )
-import Util ( panic, assertPanic )
+import Util ( panic, assertPanic{-, pprTrace ToDo:rm-} )
\end{code}
\begin{code}
-renameModule :: BuiltinNames
- -> BuiltinKeys
- -> UniqSupply
+renameModule :: UniqSupply
-> RdrNameHsModule
-> 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
+ (Name -> ExportFlag, -- export info
+ ([(Name,ExportFlag)],
+ [(Name,ExportFlag)])),
+
+ (UsagesMap,
+ VersionsMap, -- version info; for usage
+ [Module]), -- instance modules; for iface
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 modname _ _ imports _ _ _ _ _ _ _ _ _ _)
- = 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))
- ]}) $
-
- findHiFiles opt_HiDirList opt_SysHiDirList >>= \ hi_files ->
- newVar (emptyFM, hi_files){-init iface cache-} `thenPrimIO` \ iface_cache ->
-
- fixIO ( \ ~(_, _, _, _, rec_occ_fm, rec_export_fn) ->
+ = {-
+ let
+ pp_pair (n,m) = ppBesides [ppPStr m,ppChar '.',ppPStr n]
+ in
+ pprTrace "builtins:\n" (case builtinNameMaps of { (builtin_ids, builtin_tcs) ->
+ ppAboves [ ppCat (map pp_pair (keysFM builtin_ids))
+ , ppCat (map pp_pair (keysFM builtin_tcs))
+ , ppCat (map pp_pair (keysFM builtinKeysMap))
+ ]}) $
+ -}
+ -- _scc_ "rnGlobalNames"
+ makeHiMap opt_HiMap >>= \ hi_files ->
+-- pprTrace "HiMap:\n" (ppAboves [ ppCat [ppPStr m, ppStr p] | (m,p) <- fmToList hi_files])
+ initIfaceCache modname hi_files >>= \ 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
Nothing -> []
Just (rn,occs) -> occs
- global_name_info = (b_names, b_keys, rec_export_fn, rec_occ_fn)
+ global_name_info = (builtinNameMaps, builtinKeysMap, rec_export_fn, rec_occ_fn)
in
getGlobalNames iface_cache global_name_info us1 input >>=
\ (occ_env, imp_mods, unqual_imps, imp_fixes, top_errs, top_warns) ->
else
-- No top-level name errors so rename source ...
- case initRn True mod occ_env us2
+ -- _scc_ "rnSource"
+ case initRn True modname occ_env us2
(rnSource imp_mods unqual_imps imp_fixes input) of {
- ((rn_module, export_fn, src_occs), src_errs, src_warns) ->
+ ((rn_module, export_fn, module_dotdots, src_occs), src_errs, src_warns) ->
--pprTrace "renameModule:" (ppCat (map (ppr PprDebug . fst) (bagToList src_occs))) $
-
let
occ_fm :: UniqFM (RnName, [RdrName])
GT__ -> x : insert new xs
occ_warns = map multipleOccWarn (filter multiple_occs (eltsUFM occ_fm))
- multiple_occs (rn, (o1:o2:_)) = True
+
+ multiple_occs (rn, (o1:o2:_)) = getLocalName o1 /= SLIT("negate")
+ -- the user is rarely responsible if
+ -- "negate" is mentioned in multiple ways
multiple_occs _ = False
in
- return (rn_module, imp_mods,
+ return (rn_module, imp_mods,
top_errs `unionBags` src_errs,
top_warns `unionBags` src_warns `unionBags` listToBag occ_warns,
- occ_fm, export_fn)
+ occ_fm, (export_fn, module_dotdots))
- }) >>= \ (rn_module, imp_mods, errs_so_far, warns_so_far, occ_fm, _) ->
+ }) >>= \ (rn_module, imp_mods, errs_so_far, warns_so_far, occ_fm, export_stuff) ->
if not (isEmptyBag errs_so_far) then
- return (rn_panic, rn_panic, rn_panic, rn_panic, errs_so_far, warns_so_far)
+ return (rn_panic, rn_panic, rn_panic, rn_panic, rn_panic, errs_so_far, warns_so_far)
else
-- No errors renaming source so rename the interfaces ...
+ -- _scc_ "preRnIfaces"
let
-- 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).
occ_rns = [ rn | (rn,_) <- eltsUFM occ_fm ]
- -- all occurrence names, from this module and imported
+ -- all occurrence names, from this module and imported
(defined_here, defined_elsewhere)
= partition isLocallyDefined occ_rns
- (_, imports_used) = partition isRnWired defined_elsewhere
+ (_, 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
+ -- 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)
+ = extendGlobalRnEnv emptyRnEnv (map pairify_rn def_vals)
+ (map pairify_rn 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 -- everything in the BuiltinKey table; as we *may* need these
- -- later, we'd better bring their definitions in
- = catMaybes [ mk_key_name str name_fn u | (str, (u, name_fn)) <- fmToList b_keys ]
- where
- mk_key_name str name_fn u
- = -- this is emphatically *not* the Right Way to do this... (WDP 96/04)
- if (str == SLIT("main") || str == SLIT("mainPrimIO")) then
- Nothing
- else
- Just (name_fn (mkBuiltinName u pRELUDE str))
+ = extendGlobalRnEnv emptyRnEnv (map pairify_rn occ_vals)
+ (map pairify_rn occ_tcs)
+
+ -- This stuff is pretty dodgy right now: I think original
+ -- names and occurrence names may be getting entangled
+ -- when they shouldn't be... WDP 96/06
+
+ pairify_rn rn -- ToDo: move to Name?
+ = let
+ name = getName rn
+ in
+ (if isLocalName name
+ then Unqual (getLocalName name)
+ else case (origName "pairify_rn" name) of { OrigName m n ->
+ Qual m n }
+ , rn)
in
- ASSERT (isEmptyBag orig_occ_dups)
+-- 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)
- rnIfaces iface_cache us3 orig_def_env orig_occ_env rn_module (imports_used ++ must_haves) >>=
- \ (rn_module_with_imports, (implicit_val_fm, implicit_tc_fm), iface_errs, iface_warns) ->
-
- let
- all_imports_used = bagToList (unionManyBags [listToBag imports_used,
- listToBag (eltsFM implicit_tc_fm),
- listToBag (eltsFM implicit_val_fm)])
- in
- finalIfaceInfo iface_cache all_imports_used imp_mods >>=
- \ (version_info, instance_mods) ->
-
- return (rn_module_with_imports, imp_mods, version_info, instance_mods,
- errs_so_far `unionBags` iface_errs, warns_so_far `unionBags` iface_warns)
+ -- _scc_ "rnIfaces"
+ rnIfaces iface_cache imp_mods us3 orig_def_env orig_occ_env
+ rn_module (initMustHaves ++ 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,
+ export_stuff,
+ 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'
+
+initMustHaves :: [RnName]
+ -- things we *must* find declarations for, because the
+ -- compiler may eventually make reference to them (e.g.,
+ -- class Eq)
+initMustHaves
+ | opt_NoImplicitPrelude
+ = [{-no Prelude.hi, no point looking-}]
+ | otherwise
+ = [ name_fn (mkWiredInName u orig ExportAll)
+ | (orig@(OrigName mod str), (u, name_fn)) <- fmToList builtinKeysMap ]
\end{code}
\begin{code}
-pprPIface (ParsedIface m v mv 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])
+makeHiMap :: Maybe String -> IO (FiniteMap Module FilePath)
- 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 _ decl)
- = ppBesides [ppStr "tycon=", ppr PprDebug tc, ppStr "; datacons=", ppr PprDebug dcs, ppStr "; ", ppr PprDebug decl]
+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.
-pprRdrIfaceDecl (ClassSig c ops _ decl)
- = ppBesides [ppStr "class=", ppr PprDebug c, ppStr "; ops=", ppr PprDebug ops, ppStr "; ", ppr PprDebug decl]
+ 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)
-pprRdrIfaceDecl (ValSig f _ ty)
- = ppBesides [ppr PprDebug f, ppStr " :: ", ppr PprDebug ty]
+ 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}
-pprRdrInstDecl (InstSig c t _ decl)
- = ppBesides [ppStr "class=", ppr PprDebug c, ppStr " type=", ppr PprDebug t, ppStr "; ",
- ppr PprDebug decl]
+Warning message used herein:
+\begin{code}
+multipleOccWarn (name, occs) sty
+ = ppBesides [ppStr "warning:multiple names used to refer to `", ppr sty name, ppStr "': ",
+ ppInterleave ppComma (map (ppr sty) occs)]
\end{code}
projects / ghc-hetmet.git / blobdiff