GlobalNameInfo(..)
) where
-import PreludeGlaST ( returnPrimIO, thenPrimIO, MutableVar(..) )
+import PreludeGlaST ( MutableVar(..) )
import Ubiq
import RdrHsSyn
import RnHsSyn
-import ParseIface ( ParsedIface )
import RnMonad
-import RnIfaces ( IfaceCache(..), cachedIface )
-import RnUtils ( RnEnv(..), emptyRnEnv, extendGlobalRnEnv, qualNameErr, dupNamesErr )
+import RnIfaces ( IfaceCache(..), cachedIface, cachedDecl )
+import RnUtils ( RnEnv(..), emptyRnEnv, extendGlobalRnEnv,
+ lubExportFlag, qualNameErr, dupNamesErr )
+import ParseUtils ( ParsedIface(..), RdrIfaceDecl(..), RdrIfaceInst )
-import Bag ( emptyBag, unitBag, unionBags, unionManyBags, mapBag, listToBag, bagToList )
+
+import Bag ( emptyBag, unitBag, consBag, unionBags, unionManyBags,
+ mapBag, listToBag, bagToList )
+import CmdLineOpts ( opt_NoImplicitPrelude )
import ErrUtils ( Error(..), Warning(..), addShortErrLocLine )
-import FiniteMap ( fmToList )
+import FiniteMap ( emptyFM, addListToFM, lookupFM, fmToList, eltsFM, delListFromFM )
+import Id ( GenId )
+import Maybes ( maybeToBool, catMaybes, MaybeErr(..) )
import Name ( RdrName(..), Name, isQual, mkTopLevName,
- mkImportedName, nameExportFlag,
- getLocalName, getSrcLoc, pprNonOp
+ mkImportedName, nameExportFlag, nameImportFlag,
+ getLocalName, getSrcLoc, pprNonSym, moduleNamePair,
+ isLexCon, isRdrLexCon, ExportFlag(..)
)
import PrelInfo ( BuiltinNames(..), BuiltinKeys(..) )
-import PrelMods ( fromPrelude )
+import PrelMods ( fromPrelude, pRELUDE )
import Pretty
-import SrcLoc ( SrcLoc )
+import SrcLoc ( SrcLoc, mkIfaceSrcLoc )
+import TyCon ( tyConDataCons )
+import UniqFM ( emptyUFM, addListToUFM_C, lookupUFM )
import UniqSupply ( splitUniqSupply )
-import Util ( equivClasses, panic )
+import Util ( isIn, cmpPString, sortLt, removeDups, equivClasses, panic, assertPanic )
\end{code}
\begin{code}
type GlobalNameInfo = (BuiltinNames,
BuiltinKeys,
- Name -> ExportFlag,
- Name -> [RdrName])
+ Name -> ExportFlag, -- export flag
+ Name -> [RdrName]) -- occurence names
type RnM_Info s r = RnMonad GlobalNameInfo s r
-> GlobalNameInfo
-> UniqSupply
-> RdrNameHsModule
- -> PrimIO (RnEnv,
- [Module], -- directly imported modules
- Bag (Module,(RnName,ExportFlag)), -- unqualified imports from module
- Bag RenamedFixityDecl, -- imported fixity decls
- Bag Error,
- Bag Warning)
-
-getGlobalNames iface_var info us
+ -> IO (RnEnv,
+ [Module], -- directly imported modules
+ Bag (Module,RnName), -- unqualified imports from module
+ Bag RenamedFixityDecl, -- imported fixity decls
+ Bag Error,
+ Bag Warning)
+
+getGlobalNames iface_cache info us
(HsModule mod _ _ imports _ ty_decls _ cls_decls _ _ _ binds _ _)
= case initRn True mod emptyRnEnv us1
(setExtraRn info $
getSourceNames ty_decls cls_decls binds)
of { ((src_vals, src_tcs), src_errs, src_warns) ->
- getImportedNames iface_var info us2 imports `thenPrimIO`
+ doImportDecls iface_cache info us2 imports >>=
\ (imp_vals, imp_tcs, imp_mods, unqual_imps, imp_fixes, imp_errs, imp_warns) ->
let
cmp_rdr (rdr1,_,_) (rdr2,_,_) = cmp rdr1 rdr2
dup_err ((rdr,rn,rn'):rest) = globalDupNamesErr rdr (rn:rn': [rn|(_,_,rn)<-rest])
- all_errs = src_errs `unionBags` imp_errs `unionBags` listToBag dup_errs
+ all_errs = src_errs `unionBags` imp_errs `unionBags` listToBag dup_errs
all_warns = src_warns `unionBags` imp_warns
in
- returnPrimIO (all_env, bagToList imp_mods, unqual_imps, imp_fixes, all_errs, all_warns)
+ return (all_env, imp_mods, unqual_imps, imp_fixes, all_errs, all_warns)
}
where
(us1, us2) = splitUniqSupply us
-> RdrName -> RnM_Info s Name
newGlobalName locn maybe_exp rdr
- = getExtraRn `thenRn` \ (_,_,exp_fn,occ_fn) ->
+ = getExtraRn `thenRn` \ (_,b_keys,exp_fn,occ_fn) ->
getModuleRn `thenRn` \ mod ->
- getSourceRn `thenRn` \ source ->
rnGetUnique `thenRn` \ u ->
let
- src_unqual = getLocalName rdr
+ (uniq, unqual)
+ = case rdr of
+ Qual m n -> (u, n)
+ Unqual n -> case (lookupFM b_keys n) of
+ Nothing -> (u, n)
+ Just (key,_) -> (key, n)
- src_orig = if fromPrelude mod
- then (Unqual src_unqual)
- else (Qual mod src_unqual)
+ orig = if fromPrelude mod
+ then (Unqual unqual)
+ else (Qual mod unqual)
exp = case maybe_exp of
Just exp -> exp
Nothing -> exp_fn n
- n = if source then
- mkTopLevName u src_orig locn exp (occ_fn n)
- else
- mkImportedName u rdr locn exp (occ_fn n)
+ n = mkTopLevName uniq orig locn exp (occ_fn n)
in
- addErrIfRn (source && isQual rdr)
- (qualNameErr "name in definition" (rdr, locn)) `thenRn_`
+ addErrIfRn (isQual rdr) (qualNameErr "name in definition" (rdr, locn)) `thenRn_`
returnRn n
\end{code}
*********************************************************
\begin{code}
-getImportedNames ::
+type ImportNameInfo = (GlobalNameInfo,
+ FiniteMap (Module,FAST_STRING) RnName, -- values imported so far
+ FiniteMap (Module,FAST_STRING) RnName, -- tycons/classes imported so far
+ Name -> ExportFlag) -- import flag
+
+type RnM_IInfo s r = RnMonad ImportNameInfo s r
+
+doImportDecls ::
IfaceCache
- -> GlobalNameInfo -- builtin and knot name info
+ -> GlobalNameInfo -- builtin and knot name info
-> UniqSupply
- -> [RdrNameImportDecl] -- import declarations
- -> PrimIO (Bag (RdrName,RnName), -- imported values in scope
- Bag (RdrName,RnName), -- imported tycons/classes in scope
- Bag Module, -- directly imported modules
- Bag (Module,(RnName,ExportFlag)), -- unqualified imports from module
- Bag RenamedFixityDecl, -- fixity info for imported names
- Bag Error,
- Bag Warning)
-
-getImportedNames iface_var info us imports
- = returnPrimIO (builtin_vals, builtin_tcs, emptyBag, emptyBag, emptyBag, emptyBag, emptyBag)
+ -> [RdrNameImportDecl] -- import declarations
+ -> IO (Bag (RdrName,RnName), -- imported values in scope
+ Bag (RdrName,RnName), -- imported tycons/classes in scope
+ [Module], -- directly imported modules
+ Bag (Module,RnName), -- unqualified import from module
+ Bag RenamedFixityDecl, -- fixity info for imported names
+ Bag Error,
+ Bag Warning)
+
+doImportDecls iface_cache g_info us src_imps
+ = fixIO ( \ ~(_, _, _, _, _, _, rec_imp_flags) ->
+ let
+ rec_imp_fm = addListToUFM_C lubExportFlag emptyUFM (bagToList rec_imp_flags)
+
+ rec_imp_fn :: Name -> ExportFlag
+ rec_imp_fn n = case lookupUFM rec_imp_fm n of
+ Nothing -> panic "RnNames:rec_imp_fn"
+ Just flag -> flag
+
+ i_info = (g_info, emptyFM, emptyFM, rec_imp_fn)
+ in
+ doImports iface_cache i_info us (qprel_imp ++ prel_imp ++ src_imps)
+ ) >>= \ (vals, tcs, unquals, fixes, errs, warns, _) ->
+ let
+ imp_mods = [ mod | ImportDecl mod _ _ _ _ <- src_imps ]
+ imp_warns = listToBag (map dupImportWarn imp_dups)
+ prel_warns = listToBag (map qualPreludeImportWarn qual_prels)
+
+ (_, imp_dups) = removeDups cmp_mod src_imps
+ cmp_mod (ImportDecl m1 _ _ _ _) (ImportDecl m2 _ _ _ _) = cmpPString m1 m2
+ qual_prels = [imp | imp@(ImportDecl mod qual _ _ _) <- src_imps,
+ fromPrelude mod && qual]
+ in
+ return (vals, tcs, imp_mods, unquals, fixes, errs,
+ prel_warns `unionBags` imp_warns `unionBags` warns)
+ where
+ explicit_prelude_import
+ = null [() | (ImportDecl mod qual _ _ _) <- src_imps,
+ fromPrelude mod && not qual]
+
+ qprel_imp = if opt_NoImplicitPrelude
+ then [{-the flag really means it: *NO* implicit "import Prelude" -}]
+ else [ImportDecl pRELUDE True Nothing Nothing mkIfaceSrcLoc]
+
+ prel_imp = if not explicit_prelude_import || opt_NoImplicitPrelude
+ then
+ [ {-prelude imported explicitly => no import Prelude-} ]
+ else
+ [ImportDecl pRELUDE False Nothing Nothing mkIfaceSrcLoc]
+
+doImports iface_cache i_info us []
+ = return (emptyBag, emptyBag, emptyBag, emptyBag, emptyBag, emptyBag, emptyBag)
+doImports iface_cache i_info@(g_info,done_vals,done_tcs,imp_fn) us (imp:imps)
+ = doImport iface_cache i_info us1 imp
+ >>= \ (vals1, tcs1, unquals1, fixes1, errs1, warns1, imps1) ->
+ let
+ new_vals = [ (moduleNamePair rn, rn) | (_,rn) <- bagToList vals1,
+ not (maybeToBool (lookupFM done_vals (moduleNamePair rn))) ]
+ -- moduleNamePair computed twice
+ ext_vals = addListToFM done_vals new_vals
+
+ new_tcs = [ (moduleNamePair rn, rn) | (_,rn) <- bagToList tcs1,
+ not (maybeToBool (lookupFM done_tcs (moduleNamePair rn))) ]
+ ext_tcs = addListToFM done_tcs new_tcs
+ in
+ doImports iface_cache (g_info,ext_vals,ext_tcs,imp_fn) us2 imps
+ >>= \ (vals2, tcs2, unquals2, fixes2, errs2, warns2, imps2) ->
+ return (vals1 `unionBags` vals2,
+ tcs1 `unionBags` tcs2,
+ unquals1 `unionBags` unquals2,
+ fixes1 `unionBags` fixes2,
+ errs1 `unionBags` errs2,
+ warns1 `unionBags` warns2,
+ imps1 `unionBags` imps2)
+ where
+ (us1, us2) = splitUniqSupply us
+
+
+doImport :: IfaceCache
+ -> ImportNameInfo
+ -> UniqSupply
+ -> RdrNameImportDecl
+ -> IO (Bag (RdrName,RnName), -- values
+ Bag (RdrName,RnName), -- tycons/classes
+ Bag (Module,RnName), -- unqual imports
+ Bag RenamedFixityDecl,
+ Bag Error,
+ Bag Warning,
+ Bag (RnName,ExportFlag)) -- import flags
+
+doImport iface_cache info us (ImportDecl mod qual maybe_as maybe_spec src_loc)
+ = cachedIface iface_cache mod >>= \ maybe_iface ->
+ case maybe_iface of
+ Failed err ->
+ return (emptyBag, emptyBag, emptyBag, emptyBag,
+ unitBag err, emptyBag, emptyBag)
+ Succeeded iface ->
+ let
+ (b_vals, b_tcs, maybe_spec') = getBuiltins info mod maybe_spec
+ (ies, chk_ies, get_errs) = getOrigIEs iface maybe_spec'
+ in
+ doOrigIEs iface_cache info mod src_loc us ies
+ >>= \ (ie_vals, ie_tcs, imp_flags, errs, warns) ->
+ accumulate (map (checkOrigIE iface_cache) chk_ies)
+ >>= \ chk_errs_warns ->
+ accumulate (map (getFixityDecl iface_cache) (bagToList ie_vals))
+ >>= \ fix_maybes_errs ->
+ let
+ (chk_errs, chk_warns) = unzip chk_errs_warns
+ (fix_maybes, fix_errs) = unzip fix_maybes_errs
+
+ final_vals = mapBag fst_occ b_vals `unionBags` mapBag pair_occ ie_vals
+ final_tcs = mapBag fst_occ b_tcs `unionBags` mapBag pair_occ ie_tcs
+
+ unquals = if qual then emptyBag
+ else mapBag pair_as (ie_vals `unionBags` ie_tcs)
+
+ final_fixes = listToBag (catMaybes fix_maybes)
+
+ final_errs = mapBag (\ err -> err mod src_loc) (unionManyBags (get_errs:chk_errs))
+ `unionBags` errs `unionBags` unionManyBags fix_errs
+ final_warns = mapBag (\ warn -> warn mod src_loc) (unionManyBags chk_warns)
+ `unionBags` warns
+ in
+ return (final_vals, final_tcs, unquals, final_fixes,
+ final_errs, final_warns, imp_flags)
+ where
+ as_mod = case maybe_as of {Nothing -> mod; Just as_this -> as_this}
+ mk_occ str = if qual then Qual as_mod str else Unqual str
+
+ fst_occ (str, rn) = (mk_occ str, rn)
+ pair_occ rn = (mk_occ (getLocalName rn), rn)
+ pair_as rn = (as_mod, rn)
+
+
+getBuiltins info mod maybe_spec
+ | not (fromPrelude mod)
+ = (emptyBag, emptyBag, maybe_spec)
+
+getBuiltins (((b_val_names,b_tc_names),_,_,_),_,_,_) mod maybe_spec
+ = case maybe_spec of
+ Nothing -> (all_vals, all_tcs, Nothing)
+
+ Just (True, ies) -> -- hiding does not work for builtin names
+ (all_vals, all_tcs, maybe_spec)
+
+ Just (False, ies) -> let
+ (vals,tcs,ies_left) = do_builtin ies
+ in
+ (vals, tcs, Just (False, ies_left))
+ where
+ all_vals = do_all_builtin (fmToList b_val_names)
+ all_tcs = do_all_builtin (fmToList b_tc_names)
+
+ do_all_builtin [] = emptyBag
+ do_all_builtin ((str,rn):rest)
+ = (str, rn) `consBag` do_all_builtin rest
+
+ do_builtin [] = (emptyBag,emptyBag,[])
+ do_builtin (ie:ies)
+ = let str = unqual_str (ie_name ie)
+ in
+ case (lookupFM b_tc_names str) of -- NB: we favour the tycon/class FM...
+ Just rn -> case (ie,rn) of
+ (IEThingAbs _, WiredInTyCon tc)
+ -> (vals, (str, rn) `consBag` tcs, ies_left)
+ (IEThingAll _, WiredInTyCon tc)
+ -> (listToBag (map (\ id -> (getLocalName id, WiredInId id))
+ (tyConDataCons tc))
+ `unionBags` vals,
+ (str,rn) `consBag` tcs, ies_left)
+ _ -> panic "importing builtin names (1)"
+
+ Nothing ->
+ case (lookupFM b_val_names str) of
+ Nothing -> (vals, tcs, ie:ies_left)
+ Just rn -> case (ie,rn) of
+ (IEVar _, WiredInId _)
+ -> ((str, rn) `consBag` vals, tcs, ies_left)
+ _ -> panic "importing builtin names (2)"
+ where
+ (vals, tcs, ies_left) = do_builtin ies
+
+
+getOrigIEs (ParsedIface _ _ _ _ exps _ _ _ _ _ _) Nothing -- import all
+ = (map mkAllIE (eltsFM exps), [], emptyBag)
+
+getOrigIEs (ParsedIface _ _ _ _ exps _ _ _ _ _ _) (Just (True, ies)) -- import hiding
+ = (map mkAllIE (eltsFM exps_left), found_ies, errs)
+ where
+ (found_ies, errs) = lookupIEs exps ies
+ exps_left = delListFromFM exps (map (getLocalName.ie_name.fst) found_ies)
+
+getOrigNames (ParsedIface _ _ _ _ exps _ _ _ _ _ _) (Just (False, ies))
+ = (map fst found_ies, found_ies, errs)
+ where
+ (found_ies, errs) = lookupIEs exps ies
+
+
+mkAllIE (orig,ExportAbs)
+ = ASSERT(isLexCon (getLocalName orig))
+ IEThingAbs orig
+mkAllIE (orig, ExportAll)
+ | isLexCon (getLocalName orig)
+ = IEThingAll orig
+ | otherwise
+ = IEVar orig
+
+
+lookupIEs exps []
+ = ([], emptyBag)
+lookupIEs exps (ie:ies)
+ = case lookupFM exps (unqual_str (ie_name ie)) of
+ Nothing ->
+ (orig_ies, unknownImpSpecErr ie `consBag` errs)
+ Just (orig,flag) ->
+ (orig_ie orig flag ie ++ orig_ies,
+ adderr_if (seen_ie orig orig_ies) (duplicateImpSpecErr ie) errs)
+ where
+ (orig_ies, errs) = lookupIEs exps ies
+
+ orig_ie orig flag (IEVar n) = [(IEVar orig, flag)]
+ orig_ie orig flag (IEThingAbs n) = [(IEThingAbs orig, flag)]
+ orig_ie orig flag (IEThingAll n) = [(IEThingAll orig, flag)]
+ orig_ie orig flag (IEThingWith n ns) = [(IEThingWith orig ns, flag)]
+
+ seen_ie orig seen_ies = any (\ (ie,_) -> orig == ie_name ie) seen_ies
+
+
+doOrigIEs iface_cache info mod src_loc us []
+ = return (emptyBag,emptyBag,emptyBag,emptyBag,emptyBag)
+
+doOrigIEs iface_cache info mod src_loc us (ie:ies)
+ = doOrigIE iface_cache info mod src_loc us1 ie
+ >>= \ (vals1, tcs1, errs1, warns1, imps1) ->
+ doOrigIEs iface_cache info mod src_loc us2 ies
+ >>= \ (vals2, tcs2, errs2, warns2, imps2) ->
+ return (vals1 `unionBags` vals2,
+ tcs1 `unionBags` tcs2,
+ errs1 `unionBags` errs2,
+ warns1 `unionBags` warns2,
+ imps1 `unionBags` imps2)
+ where
+ (us1, us2) = splitUniqSupply us
+
+doOrigIE iface_cache info mod src_loc us ie
+ = with_decl iface_cache (ie_name ie)
+ (\ err -> (emptyBag, emptyBag, emptyBag, unitBag err, emptyBag))
+ (\ decl -> case initRn True mod emptyRnEnv us
+ (setExtraRn info $
+ pushSrcLocRn src_loc $
+ getIfaceDeclNames ie decl)
+ of
+ ((vals, tcs, imps), errs, warns) -> (vals, tcs, imps, errs, warns))
+
+checkOrigIE iface_cache (IEThingAll n, ExportAbs)
+ = with_decl iface_cache n
+ (\ err -> (unitBag (\ mod locn -> err), emptyBag))
+ (\ decl -> case decl of
+ TypeSig _ _ _ -> (emptyBag, unitBag (allWhenSynImpSpecWarn n))
+ other -> (unitBag (allWhenAbsImpSpecErr n), emptyBag))
+
+checkOrigIE iface_cache (IEThingWith n ns, ExportAbs)
+ = return (unitBag (withWhenAbsImpSpecErr n), emptyBag)
+
+checkOrigIE iface_cache (IEThingWith n ns, ExportAll)
+ = with_decl iface_cache n
+ (\ err -> (unitBag (\ mod locn -> err), emptyBag))
+ (\ decl -> case decl of
+ NewTypeSig _ con _ _ -> (check_with "constructrs" [con] ns, emptyBag)
+ DataSig _ cons _ _ -> (check_with "constructrs" cons ns, emptyBag)
+ ClassSig _ ops _ _ -> (check_with "class ops" ops ns, emptyBag))
where
- -- For now jsut add the builtin names ...
- (b_names,_,_,_) = info
- builtin_vals = listToBag [(Unqual s, rn) | (s,rn) <- fmToList b_names, not (isRnTyCon rn)]
- builtin_tcs = listToBag [(Unqual s, rn) | (s,rn) <- fmToList b_names, isRnTyCon rn]
+ check_with str has rdrs
+ | sortLt (<) (map getLocalName has) == sortLt (<) (map unqual_str rdrs)
+ = emptyBag
+ | otherwise
+ = unitBag (withImpSpecErr str n has rdrs)
+
+checkOrigIE iface_cache other
+ = return (emptyBag, emptyBag)
+
+
+with_decl iface_cache n do_err do_decl
+ = cachedDecl iface_cache (isRdrLexCon n) n >>= \ maybe_decl ->
+ case maybe_decl of
+ Failed err -> return (do_err err)
+ Succeeded decl -> return (do_decl decl)
+
+
+getFixityDecl iface_cache rn
+ = let
+ (mod, str) = moduleNamePair rn
+ in
+ cachedIface iface_cache mod >>= \ maybe_iface ->
+ case maybe_iface of
+ Failed err ->
+ return (Nothing, unitBag err)
+ Succeeded (ParsedIface _ _ _ _ _ _ fixes _ _ _ _) ->
+ case lookupFM fixes str of
+ Nothing -> return (Nothing, emptyBag)
+ Just (InfixL _ i) -> return (Just (InfixL rn i), emptyBag)
+ Just (InfixR _ i) -> return (Just (InfixR rn i), emptyBag)
+ Just (InfixN _ i) -> return (Just (InfixN rn i), emptyBag)
+
+ie_name (IEVar n) = n
+ie_name (IEThingAbs n) = n
+ie_name (IEThingAll n) = n
+ie_name (IEThingWith n _) = n
+
+unqual_str (Unqual str) = str
+unqual_str q@(Qual _ _) = panic "unqual_str"
+
+adderr_if True err errs = err `consBag` errs
+adderr_if False err errs = errs
\end{code}
+*********************************************************
+* *
+\subsection{Actually creating the imported names}
+* *
+*********************************************************
+
+\begin{code}
+getIfaceDeclNames :: RdrNameIE -> RdrIfaceDecl
+ -> RnM_IInfo s (Bag RnName, -- values
+ Bag RnName, -- tycons/classes
+ Bag (RnName,ExportFlag)) -- import flags
+
+getIfaceDeclNames ie (ValSig val src_loc _)
+ = newImportedName False src_loc Nothing Nothing val `thenRn` \ val_name ->
+ returnRn (unitBag (RnName val_name),
+ emptyBag,
+ unitBag (RnName val_name, ExportAll))
+
+getIfaceDeclNames ie (TypeSig tycon src_loc _)
+ = newImportedName True src_loc Nothing Nothing tycon `thenRn` \ tycon_name ->
+ returnRn (emptyBag,
+ unitBag (RnSyn tycon_name),
+ unitBag (RnSyn tycon_name, ExportAll))
+
+getIfaceDeclNames ie (NewTypeSig tycon con src_loc _)
+ = newImportedName True src_loc Nothing Nothing tycon `thenRn` \ tycon_name ->
+ mapRn (newImportedName False src_loc (Just (nameExportFlag tycon_name))
+ (Just (nameImportFlag tycon_name)))
+ [con] `thenRn` \ con_names ->
+ returnRn (if imp_all (imp_flag ie) then
+ listToBag (map (\ n -> RnConstr n tycon_name) con_names)
+ else
+ emptyBag,
+ unitBag (RnData tycon_name con_names),
+ unitBag (RnData tycon_name con_names, imp_flag ie))
+
+getIfaceDeclNames ie (DataSig tycon cons src_loc _)
+ = newImportedName True src_loc Nothing Nothing tycon `thenRn` \ tycon_name ->
+ mapRn (newImportedName False src_loc (Just (nameExportFlag tycon_name))
+ (Just (nameImportFlag tycon_name)))
+ cons `thenRn` \ con_names ->
+ returnRn (if imp_all (imp_flag ie) then
+ listToBag (map (\ n -> RnConstr n tycon_name) con_names)
+ else
+ emptyBag,
+ unitBag (RnData tycon_name con_names),
+ unitBag (RnData tycon_name con_names, imp_flag ie))
+
+getIfaceDeclNames ie (ClassSig cls ops src_loc _)
+ = newImportedName True src_loc Nothing Nothing cls `thenRn` \ cls_name ->
+ mapRn (newImportedName False src_loc (Just (nameExportFlag cls_name))
+ (Just (nameImportFlag cls_name)))
+ ops `thenRn` \ op_names ->
+ returnRn (if imp_all (imp_flag ie) then
+ listToBag (map (\ n -> RnClassOp n cls_name) op_names)
+ else
+ emptyBag,
+ unitBag (RnClass cls_name op_names),
+ unitBag (RnClass cls_name op_names, imp_flag ie))
+
+
+imp_all ExportAll = True
+imp_all _ = False
+
+imp_flag (IEThingAbs _) = ExportAbs
+imp_flag (IEThingAll _) = ExportAll
+imp_flag (IEThingWith _ _) = ExportAll
+\end{code}
+
+*********************************************************
+* *
+\subsection{Creating a new imported name}
+* *
+*********************************************************
+
+\begin{code}
+newImportedName :: Bool -- True => tycon or class
+ -> SrcLoc
+ -> Maybe ExportFlag -- maybe export flag
+ -> Maybe ExportFlag -- maybe import flag
+ -> RdrName -- orig name
+ -> RnM_IInfo s Name
+
+newImportedName tycon_or_class locn maybe_exp maybe_imp rdr
+ = getExtraRn `thenRn` \ ((_,b_keys,exp_fn,occ_fn),done_vals,done_tcs,imp_fn) ->
+ case if tycon_or_class
+ then lookupFM done_tcs (moduleNamePair rdr)
+ else lookupFM done_vals (moduleNamePair rdr)
+ of
+ Just rn -> returnRn (getName rn)
+ Nothing ->
+ rnGetUnique `thenRn` \ u ->
+ let
+ uniq = case rdr of
+ Qual m n -> u
+ Unqual n -> case lookupFM b_keys n of
+ Nothing -> u
+ Just (key,_) -> key
+
+ exp = case maybe_exp of
+ Just exp -> exp
+ Nothing -> exp_fn n
+
+ imp = case maybe_imp of
+ Just imp -> imp
+ Nothing -> imp_fn n
+
+ n = mkImportedName uniq rdr imp locn exp (occ_fn n)
+ in
+ returnRn n
+\end{code}
\begin{code}
globalDupNamesErr rdr rns sty
- = ppHang (ppBesides [pprNonOp sty rdr, ppStr " multiply defined:"])
+ = ppHang (ppBesides [pprNonSym sty rdr, ppStr " multiply defined:"])
4 (ppAboves (map pp_def rns))
where
pp_def rn = addShortErrLocLine (getSrcLoc rn) (\ sty -> ppr sty rn) sty
- -- ToDo: print import src locs for imported names
+dupImportWarn dup_imps sty
+ = ppStr "dupImportWarn"
+
+qualPreludeImportWarn imp sty
+ = ppStr "qualPreludeImportWarn"
+
+unknownImpSpecErr ie imp_mod locn sty
+ = ppStr "unknownImpSpecErr"
+
+duplicateImpSpecErr ie imp_mod locn sty
+ = ppStr "duplicateImpSpecErr"
+
+allWhenSynImpSpecWarn n imp_mod locn sty
+ = ppStr "allWhenSynImpSpecWarn"
+
+allWhenAbsImpSpecErr n imp_mod locn sty
+ = ppStr "allWhenAbsImpSpecErr"
+
+withWhenAbsImpSpecErr n imp_mod locn sty
+ = ppStr "withWhenAbsImpSpecErr"
+
+withImpSpecErr str n has ns imp_mod locn sty
+ = ppStr "withImpSpecErr"
\end{code}
projects / ghc-hetmet.git / blobdiff