\begin{code}
module MkIface (
- mkFinalIface,
- pprModDetails, pprIface, pprUsage,
+ showIface, mkFinalIface,
+ pprModDetails, pprIface, pprUsage, pprUsages, pprExports,
ifaceTyThing,
) where
import HsCore ( HsIdInfo(..), UfExpr(..), toUfExpr, toUfBndr )
import HsTypes ( toHsTyVars )
import TysPrim ( alphaTyVars )
-import BasicTypes ( Fixity(..), NewOrData(..), Activation(..),
+import BasicTypes ( NewOrData(..), Activation(..),
Version, initialVersion, bumpVersion
)
import NewDemand ( isTopSig )
import RnMonad
import RnHsSyn ( RenamedInstDecl, RenamedTyClDecl )
import HscTypes ( VersionInfo(..), ModIface(..), ModDetails(..),
- ModuleLocation(..), GhciMode(..),
+ ModuleLocation(..), GhciMode(..),
+ FixityEnv, lookupFixity, collectFixities,
IfaceDecls, mkIfaceDecls, dcl_tycl, dcl_rules, dcl_insts,
- TyThing(..), DFunId, Avails,
+ TyThing(..), DFunId, TypeEnv,
+ GenAvailInfo,
WhatsImported(..), GenAvailInfo(..),
- ImportVersion, AvailInfo, Deprecations(..),
- lookupVersion,
+ ImportVersion, Deprecations(..),
+ lookupVersion, typeEnvIds
)
import CmdLineOpts
import Id ( idType, idInfo, isImplicitId, idCgInfo,
isLocalId, idName,
)
-import DataCon ( dataConId, dataConSig, dataConFieldLabels, dataConStrictMarks )
+import DataCon ( dataConWorkId, dataConSig, dataConFieldLabels, dataConStrictMarks )
import IdInfo -- Lots
-import CoreSyn ( CoreRule(..) )
+import Var ( Var )
+import CoreSyn ( CoreRule(..), IdCoreRule )
import CoreFVs ( ruleLhsFreeNames )
import CoreUnfold ( neverUnfold, unfoldingTemplate )
-import PprCore ( pprIdCoreRule )
-import Name ( getName, nameModule, toRdrName, isGlobalName,
+import PprCore ( pprIdRules )
+import Name ( getName, toRdrName, isExternalName,
nameIsLocalOrFrom, Name, NamedThing(..) )
import NameEnv
import NameSet
import OccName ( pprOccName )
-import TyCon ( TyCon, getSynTyConDefn, isSynTyCon, isNewTyCon,
- isAlgTyCon, tyConGenIds, tyConTheta, tyConTyVars,
- tyConDataCons, tyConFamilySize, isPrimTyCon,
- isClassTyCon, isForeignTyCon, tyConArity
- )
+import TyCon
import Class ( classExtraBigSig, classTyCon, DefMeth(..) )
import FieldLabel ( fieldLabelType )
import TcType ( tcSplitSigmaTy, tidyTopType, deNoteType, namesOfDFunHead )
import SrcLoc ( noSrcLoc )
import Outputable
import Module ( ModuleName )
-import Util ( sortLt )
+import Util ( sortLt, dropList )
+import Binary ( getBinFileWithDict )
+import BinIface ( writeBinIface )
import ErrUtils ( dumpIfSet_dyn )
+import FastString
import Monad ( when )
-import IO ( IOMode(..), openFile, hClose )
+import Maybe ( catMaybes )
+import IO ( putStrLn )
\end{code}
%************************************************************************
%* *
+\subsection{Print out the contents of a binary interface}
+%* *
+%************************************************************************
+
+\begin{code}
+showIface :: FilePath -> IO ()
+showIface filename = do
+ parsed_iface <- Binary.getBinFileWithDict filename
+ let ParsedIface{
+ pi_mod=pi_mod, pi_pkg=pi_pkg, pi_vers=pi_vers,
+ pi_orphan=pi_orphan, pi_usages=pi_usages,
+ pi_exports=pi_exports, pi_decls=pi_decls,
+ pi_fixity=pi_fixity, pi_insts=pi_insts,
+ pi_rules=pi_rules, pi_deprecs=pi_deprecs } = parsed_iface
+ putStrLn (showSDoc (vcat [
+ text "__interface" <+> doubleQuotes (ppr pi_pkg)
+ <+> ppr pi_mod <+> ppr pi_vers
+ <+> (if pi_orphan then char '!' else empty)
+ <+> ptext SLIT("where"),
+ -- no instance Outputable (WhatsImported):
+ pprExports id (snd pi_exports),
+ pprUsages id pi_usages,
+ hsep (map ppr_fix pi_fixity) <> semi,
+ vcat (map ppr_inst pi_insts),
+ vcat (map ppr_decl pi_decls),
+ ppr pi_rules
+ -- no instance Outputable (Either):
+ -- ppr pi_deprecs
+ ]))
+ where
+ ppr_fix (n,f) = ppr f <+> ppr n
+ ppr_inst i = ppr i <+> semi
+ ppr_decl (v,d) = int v <+> ppr d <> semi
+\end{code}
+
+%************************************************************************
+%* *
\subsection{Completing an interface}
%* *
%************************************************************************
-- a) completes the interface
-- b) writes it out to a file if necessary
-mkFinalIface ghci_mode dflags location
- maybe_old_iface new_iface new_details
+mkFinalIface ghci_mode dflags location maybe_old_iface
+ new_iface@ModIface{ mi_module=mod }
+ new_details@ModDetails{ md_insts=insts,
+ md_rules=rules,
+ md_types=types }
= do {
-- Add the new declarations, and the is-orphan flag
let iface_w_decls = new_iface { mi_decls = new_decls,
mi_orphan = orphan_mod }
-- Add version information
- ; let (final_iface, maybe_diffs) = addVersionInfo maybe_old_iface iface_w_decls
+ ; let (final_iface, maybe_diffs) = _scc_ "versioninfo" addVersionInfo maybe_old_iface iface_w_decls
-- Write the interface file, if necessary
; when (must_write_hi_file maybe_diffs)
- (writeIface hi_file_path final_iface)
+ (writeBinIface hi_file_path final_iface)
+-- (writeIface hi_file_path final_iface)
-- Debug printing
; write_diffs dflags final_iface maybe_diffs
- ; return final_iface }
+ ; orphan_mod `seq`
+ return final_iface }
where
- must_write_hi_file Nothing = False
- must_write_hi_file (Just diffs) = ghci_mode /= Interactive
+ must_write_hi_file Nothing = False
+ must_write_hi_file (Just _diffs) = ghci_mode /= Interactive
-- We must write a new .hi file if there are some changes
-- and we're not in interactive mode
-- maybe_diffs = 'Nothing' means that even the usages havn't changed,
hi_file_path = ml_hi_file location
new_decls = mkIfaceDecls ty_cls_dcls rule_dcls inst_dcls
- inst_dcls = map ifaceInstance (md_insts new_details)
- ty_cls_dcls = foldNameEnv ifaceTyThing_acc [] (md_types new_details)
- rule_dcls = map ifaceRule (md_rules new_details)
- orphan_mod = isOrphanModule (mi_module new_iface) new_details
+ inst_dcls = map ifaceInstance insts
+ ty_cls_dcls = foldNameEnv ifaceTyThing_acc [] types
+ rule_dcls = map ifaceRule rules
+ orphan_mod = isOrphanModule mod new_details
+write_diffs :: DynFlags -> ModIface -> Maybe SDoc -> IO ()
write_diffs dflags new_iface Nothing
= do when (dopt Opt_D_dump_hi_diffs dflags) (printDump (text "INTERFACE UNCHANGED"))
dumpIfSet_dyn dflags Opt_D_dump_hi "UNCHANGED FINAL INTERFACE" (pprIface new_iface)
\end{code}
\begin{code}
+isOrphanModule :: Module -> ModDetails -> Bool
isOrphanModule this_mod (ModDetails {md_insts = insts, md_rules = rules})
= any orphan_inst insts || any orphan_rule rules
where
+ -- A rule is an orphan if the LHS mentions nothing defined locally
orphan_inst dfun_id = no_locals (namesOfDFunHead (idType dfun_id))
+ -- A instance is an orphan if its head mentions nothing defined locally
orphan_rule rule = no_locals (ruleLhsFreeNames rule)
+
no_locals names = isEmptyNameSet (filterNameSet (nameIsLocalOrFrom this_mod) names)
\end{code}
tycon = classTyCon clas
data_con = head (tyConDataCons tycon)
sys_names = mkClassDeclSysNames (getName tycon, getName data_con,
- getName (dataConId data_con), map getName sc_sels)
+ getName (dataConWorkId data_con), map getName sc_sels)
toClassOpSig (sel_id, def_meth)
= ASSERT(sel_tyvars == clas_tyvars)
tcdCtxt = toHsContext (tyConTheta tycon),
tcdName = getName tycon,
tcdTyVars = toHsTyVars tyvars,
- tcdCons = map ifaceConDecl (tyConDataCons tycon),
- tcdNCons = tyConFamilySize tycon,
+ tcdCons = ifaceConDecls (tyConDataConDetails tycon),
tcdDerivs = Nothing,
tcdSysNames = map getName (tyConGenIds tycon),
tcdLoc = noSrcLoc }
| isForeignTyCon tycon
- = ForeignType { tcdName = getName tycon,
- tcdFoType = DNType, -- The only case at present
- tcdLoc = noSrcLoc }
+ = ForeignType { tcdName = getName tycon,
+ tcdExtName = Nothing,
+ tcdFoType = DNType, -- The only case at present
+ tcdLoc = noSrcLoc }
- | isPrimTyCon tycon
+ | isPrimTyCon tycon || isFunTyCon tycon
-- needed in GHCi for ':info Int#', for example
= TyData { tcdND = DataType,
tcdCtxt = [],
tcdName = getName tycon,
tcdTyVars = toHsTyVars (take (tyConArity tycon) alphaTyVars),
- tcdCons = [],
- tcdNCons = 0,
+ tcdCons = Unknown,
tcdDerivs = Nothing,
tcdSysNames = [],
tcdLoc = noSrcLoc }
new_or_data | isNewTyCon tycon = NewType
| otherwise = DataType
+ ifaceConDecls Unknown = Unknown
+ ifaceConDecls (HasCons n) = HasCons n
+ ifaceConDecls (DataCons cs) = DataCons (map ifaceConDecl cs)
+
ifaceConDecl data_con
- = ConDecl (getName data_con) (getName (dataConId data_con))
+ = ConDecl (getName data_con) (getName (dataConWorkId data_con))
(toHsTyVars ex_tyvars)
(toHsContext ex_theta)
details noSrcLoc
where
(tyvars1, _, ex_tyvars, ex_theta, arg_tys, tycon1) = dataConSig data_con
field_labels = dataConFieldLabels data_con
- strict_marks = drop (length ex_theta) (dataConStrictMarks data_con)
+ strict_marks = dropList ex_theta (dataConStrictMarks data_con)
-- The 'drop' is because dataConStrictMarks
-- includes the existential dictionaries
details | null field_labels
id_type = idType id
id_info = idInfo id
cg_info = idCgInfo id
- arity_info = cgArity cg_info
+ arity_info = arityInfo id_info
caf_info = cgCafInfo cg_info
- hs_idinfo | opt_OmitInterfacePragmas = []
- | otherwise = arity_hsinfo ++ caf_hsinfo ++
- strict_hsinfo ++ wrkr_hsinfo ++ unfold_hsinfo
+ hs_idinfo | opt_OmitInterfacePragmas
+ = []
+ | otherwise
+ = catMaybes [arity_hsinfo, caf_hsinfo,
+ strict_hsinfo, wrkr_hsinfo,
+ unfold_hsinfo]
------------ Arity --------------
- arity_hsinfo | arity_info == 0 = []
- | otherwise = [HsArity arity_info]
+ arity_hsinfo | arity_info == 0 = Nothing
+ | otherwise = Just (HsArity arity_info)
------------ Caf Info --------------
caf_hsinfo = case caf_info of
- NoCafRefs -> [HsNoCafRefs]
- otherwise -> []
+ NoCafRefs -> Just HsNoCafRefs
+ _other -> Nothing
------------ Strictness --------------
-- No point in explicitly exporting TopSig
strict_hsinfo = case newStrictnessInfo id_info of
- Just sig | not (isTopSig sig) -> [HsStrictness sig]
- other -> []
+ Just sig | not (isTopSig sig) -> Just (HsStrictness sig)
+ _other -> Nothing
------------ Worker --------------
work_info = workerInfo id_info
has_worker = case work_info of { HasWorker _ _ -> True; other -> False }
wrkr_hsinfo = case work_info of
HasWorker work_id wrap_arity ->
- [HsWorker (getName work_id) wrap_arity]
- NoWorker -> []
+ Just (HsWorker (getName work_id) wrap_arity)
+ NoWorker -> Nothing
------------ Unfolding --------------
-- The unfolding is redundant if there is a worker
inline_prag = inlinePragInfo id_info
rhs = unfoldingTemplate unfold_info
unfold_hsinfo | neverUnfold unfold_info
- || has_worker = []
- | otherwise = [HsUnfold inline_prag (toUfExpr rhs)]
+ || has_worker = Nothing
+ | otherwise = Just (HsUnfold inline_prag (toUfExpr rhs))
\end{code}
\begin{code}
-- and this instance decl wouldn't get imported into a module
-- that mentioned T but not Tibble.
+ifaceRule :: IdCoreRule -> RuleDecl Name pat
ifaceRule (id, BuiltinRule _ _)
= pprTrace "toHsRule: builtin" (ppr id) (bogusIfaceRule id)
= IfaceRule name act (map toUfBndr bndrs) (getName id)
(map toUfExpr args) (toUfExpr rhs) noSrcLoc
+bogusIfaceRule :: (NamedThing a) => a -> RuleDecl Name pat
bogusIfaceRule id
- = IfaceRule SLIT("bogus") NeverActive [] (getName id) [] (UfVar (getName id)) noSrcLoc
+ = IfaceRule FSLIT("bogus") NeverActive [] (getName id) [] (UfVar (getName id)) noSrcLoc
\end{code}
pp_change False what = text what <+> ptext SLIT("changed")
diffDecls :: VersionInfo -- Old version
- -> NameEnv Fixity -> NameEnv Fixity -- Old and new fixities
+ -> FixityEnv -> FixityEnv -- Old and new fixities
-> [RenamedTyClDecl] -> [RenamedTyClDecl] -- Old and new decls
-> (Bool, -- True <=> no change
SDoc, -- Record of differences
-- When seeing if two decls are the same,
-- remember to check whether any relevant fixity has changed
eq_tc d1 d2 = d1 == d2 && all (same_fixity . fst) (tyClDeclNames d1)
- same_fixity n = lookupNameEnv old_fixities n == lookupNameEnv new_fixities n
+ same_fixity n = lookupFixity old_fixities n == lookupFixity new_fixities n
diff ok_so_far pp new_vers [] [] = (ok_so_far, pp, new_vers)
diff ok_so_far pp new_vers (od:ods) [] = diff False (pp $$ only_old od) new_vers ods []
, dump_insts dfun_ids
, dump_rules rules]
+dump_types :: [Var] -> TypeEnv -> SDoc
dump_types dfun_ids type_env
= text "TYPE SIGNATURES" $$ nest 4 (dump_sigs ids)
where
- ids = [id | AnId id <- nameEnvElts type_env, want_sig id]
+ ids = [id | id <- typeEnvIds type_env, want_sig id]
want_sig id | opt_PprStyle_Debug = True
| otherwise = isLocalId id &&
- isGlobalName (idName id) &&
+ isExternalName (idName id) &&
not (id `elem` dfun_ids)
-- isLocalId ignores data constructors, records selectors etc
- -- The isGlobalName ignores local dictionary and method bindings
+ -- The isExternalName ignores local dictionary and method bindings
-- that the type checker has invented. User-defined things have
-- Global names.
+dump_insts :: [Var] -> SDoc
dump_insts [] = empty
dump_insts dfun_ids = text "INSTANCES" $$ nest 4 (dump_sigs dfun_ids)
+dump_sigs :: [Var] -> SDoc
dump_sigs ids
-- Print type signatures
-- Convert to HsType so that we get source-language style printing
lt_sig (n1,_) (n2,_) = n1 < n2
ppr_sig (n,t) = ppr n <+> dcolon <+> ppr t
+dump_rules :: [IdCoreRule] -> SDoc
dump_rules [] = empty
dump_rules rs = vcat [ptext SLIT("{-# RULES"),
- nest 4 (vcat (map pprIdCoreRule rs)),
+ nest 4 (pprIdRules rs),
ptext SLIT("#-}")]
\end{code}
%************************************************************************
\begin{code}
-writeIface :: FilePath -> ModIface -> IO ()
-writeIface hi_path mod_iface
- = do { if_hdl <- openFile hi_path WriteMode
- ; printForIface if_hdl from_this_mod (pprIface mod_iface)
- ; hClose if_hdl
- }
- where
- -- Print names unqualified if they are from this module
- from_this_mod n = nameModule n == this_mod
- this_mod = mi_module mod_iface
-
pprIface :: ModIface -> SDoc
pprIface iface
= vcat [ ptext SLIT("__interface")
- <+> doubleQuotes (ptext opt_InPackage)
+ <+> doubleQuotes (ftext (mi_package iface))
<+> ppr (mi_module iface) <+> ppr (vers_module version_info)
<+> pp_sub_vers
<+> (if mi_orphan iface then char '!' else empty)
<+> int opt_HiVersion
<+> ptext SLIT("where")
- , vcat (map pprExport (mi_exports iface))
- , vcat (map pprUsage (mi_usages iface))
+ , pprExports nameOccName (mi_exports iface)
+ , pprUsages nameOccName (mi_usages iface)
, pprFixities (mi_fixities iface) (dcl_tycl decls)
, pprIfaceDecls (vers_decls version_info) decls
version_info = mi_version iface
decls = mi_decls iface
exp_vers = vers_exports version_info
+
rule_vers = vers_rules version_info
pp_sub_vers | exp_vers == initialVersion && rule_vers == initialVersion = empty
AvailTC C [x, y] C!(x,y) -- Exporting x, y but not C
\begin{code}
-pprExport :: (ModuleName, Avails) -> SDoc
-pprExport (mod, items)
+pprExports :: Eq a => (a -> OccName) -> [(ModuleName, [GenAvailInfo a])] -> SDoc
+pprExports getOcc exports = vcat (map (pprExport getOcc) exports)
+
+pprExport :: Eq a => (a -> OccName) -> (ModuleName, [GenAvailInfo a]) -> SDoc
+pprExport getOcc (mod, items)
= hsep [ ptext SLIT("__export "), ppr mod, hsep (map pp_avail items) ] <> semi
where
- pp_avail :: AvailInfo -> SDoc
- pp_avail (Avail name) = pprOcc name
- pp_avail (AvailTC n []) = empty
- pp_avail (AvailTC n (n':ns)) | n==n' = pprOcc n <> pp_export ns
- | otherwise = pprOcc n <> char '|' <> pp_export (n':ns)
+ --pp_avail :: GenAvailInfo a -> SDoc
+ pp_avail (Avail name) = ppr (getOcc name)
+ pp_avail (AvailTC _ []) = empty
+ pp_avail (AvailTC n (n':ns))
+ | n==n' = ppr (getOcc n) <> pp_export ns
+ | otherwise = ppr (getOcc n) <> char '|' <> pp_export (n':ns)
pp_export [] = empty
- pp_export names = braces (hsep (map pprOcc names))
+ pp_export names = braces (hsep (map (ppr.getOcc) names))
pprOcc :: Name -> SDoc -- Print the occurrence name only
pprOcc n = pprOccName (nameOccName n)
\begin{code}
-pprUsage :: ImportVersion Name -> SDoc
-pprUsage (m, has_orphans, is_boot, whats_imported)
+pprUsages :: (a -> OccName) -> [ImportVersion a] -> SDoc
+pprUsages getOcc usages = vcat (map (pprUsage getOcc) usages)
+
+pprUsage :: (a -> OccName) -> ImportVersion a -> SDoc
+pprUsage getOcc (m, has_orphans, is_boot, whats_imported)
= hsep [ptext SLIT("import"), ppr m,
pp_orphan, pp_boot,
pp_versions whats_imported
-- Importing the whole module is indicated by an empty list
pp_versions NothingAtAll = empty
pp_versions (Everything v) = dcolon <+> int v
- pp_versions (Specifically vm ve nvs vr) = dcolon <+> int vm <+> pp_export_version ve <+> int vr
- <+> hsep [ pprOcc n <+> int v | (n,v) <- nvs ]
+ pp_versions (Specifically vm ve nvs vr) =
+ dcolon <+> int vm <+> pp_export_version ve <+> int vr
+ <+> hsep [ ppr (getOcc n) <+> int v | (n,v) <- nvs ]
pp_export_version Nothing = empty
pp_export_version (Just v) = int v
\end{code}
\begin{code}
+pprIfaceDecls :: NameEnv Int -> IfaceDecls -> SDoc
pprIfaceDecls version_map decls
= vcat [ vcat [ppr i <+> semi | i <- dcl_insts decls]
, vcat (map ppr_decl (dcl_tycl decls))
\end{code}
\begin{code}
+pprFixities :: NameEnv Fixity
+ -> [TyClDecl Name pat]
+ -> SDoc
pprFixities fixity_map decls
= hsep [ ppr fix <+> ppr n
- | d <- decls,
- (n,_) <- tyClDeclNames d,
- Just fix <- [lookupNameEnv fixity_map n]] <> semi
+ | (n,fix) <- collectFixities fixity_map decls ] <> semi
-- Disgusting to print these two together, but that's
-- the way the interface parser currently expects them.
+pprRulesAndDeprecs :: (Outputable a) => [a] -> Deprecations -> SDoc
pprRulesAndDeprecs [] NoDeprecs = empty
pprRulesAndDeprecs rules deprecs
= ptext SLIT("{-##") <+> (pp_rules rules $$ pp_deprecs deprecs) <+> ptext SLIT("##-}")
pp_deprecs deprecs = ptext SLIT("__D") <+> guts
where
guts = case deprecs of
- DeprecAll txt -> doubleQuotes (ptext txt)
+ DeprecAll txt -> doubleQuotes (ftext txt)
DeprecSome env -> ppr_deprec_env env
+ppr_deprec_env :: NameEnv (Name, FastString) -> SDoc
ppr_deprec_env env = vcat (punctuate semi (map pp_deprec (nameEnvElts env)))
where
- pp_deprec (name, txt) = pprOcc name <+> doubleQuotes (ptext txt)
+ pp_deprec (name, txt) = pprOcc name <+> doubleQuotes (ftext txt)
\end{code}
projects / ghc-hetmet.git / blobdiff