module Rename ( renameModule ) where
-import PreludeGlaST ( thenPrimIO, returnPrimIO, fixPrimIO, newVar, MutableVar(..) )
+import PreludeGlaST ( thenPrimIO )
-import Ubiq
+IMP_Ubiq()
+IMPORT_1_3(List(partition))
import HsSyn
import RdrHsSyn ( RdrNameHsModule(..), RdrNameImportDecl(..) )
-import RnHsSyn ( RnName, RenamedHsModule(..), isRnTyCon, isRnClass )
+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(..),
+ UsagesMap(..), VersionsMap(..)
+ )
import RnMonad
-import RnNames ( getGlobalNames, GlobalNameInfo(..) )
+import RnNames ( getGlobalNames, SYN_IE(GlobalNameInfo) )
import RnSource ( rnSource )
-import RnIfaces ( rnInterfaces, finalIfaceInfo, VersionInfo(..), ParsedIface )
-import RnUtils ( extendGlobalRnEnv, emptyRnEnv, multipleOccWarn )
-import MainMonad
-
-import Bag ( isEmptyBag, unionBags, bagToList, listToBag )
-import ErrUtils ( Error(..), Warning(..) )
-import FiniteMap ( emptyFM, eltsFM )
-import Name ( Name, RdrName(..) )
-import Outputable ( getOrigNameRdr, isLocallyDefined )
-import PrelInfo ( BuiltinNames(..), BuiltinKeys(..) )
+import RnIfaces ( rnIfaces, initIfaceCache, IfaceCache )
+import RnUtils ( SYN_IE(RnEnv), extendGlobalRnEnv, emptyRnEnv )
+
+import Bag ( isEmptyBag, unionBags, unionManyBags, bagToList, listToBag )
+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, 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 )
-
-findHiFiles :: PrimIO (FiniteMap Module FAST_STRING)
-findHiFiles = returnPrimIO emptyFM
+import Util ( panic, assertPanic{-, pprTrace ToDo:rm-} )
\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
+ (Name -> ExportFlag, -- export info
+ ([(Name,ExportFlag)],
+ [(Name,ExportFlag)])),
- Bag Error,
- Bag Warning
- )
-\end{code}
+ (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 _ _ _ _ _ _ _ _ _ _)
- = findHiFiles `thenPrimIO` \ hi_files ->
- newVar (emptyFM, hi_files) `thenPrimIO` \ iface_var ->
+renameModule us input@(HsModule modname _ _ imports _ _ _ _ _ _ _ _ _ _)
+
+ = {-
+ 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 ->
- fixPrimIO ( \ (_, _, _, _, rec_occ_fm, rec_export_fn) ->
+ 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_var global_name_info us1 input
- `thenPrimIO` \ (occ_env, imp_mods, 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 ...
- case initRn True mod occ_env us2
- (rnSource imp_mods imp_fixes input) of {
- ((rn_module, export_fn, src_occs), src_errs, src_warns) ->
+ -- _scc_ "rnSource"
+ case initRn True modname occ_env us2
+ (rnSource imp_mods unqual_imps imp_fixes input) of {
+ ((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
- 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, module_dotdots))
- }) `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, export_stuff) ->
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, rn_panic, errs_so_far, warns_so_far)
else
-- No errors renaming source so rename the interfaces ...
+ -- _scc_ "preRnIfaces"
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)
- rnInterfaces 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 pairify_rn def_vals)
+ (map pairify_rn def_tcs)
+ (orig_occ_env, orig_occ_dups)
+ = 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
- 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)
+ -- _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}
+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}
+
+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