#include "HsVersions.h"
import IfaceSyn
-import IfaceType
import LoadIface
import Id
import IdInfo
import RdrName
import NameEnv
import NameSet
-import OccName
import Module
import BinIface
import ErrUtils
import Binary
import Fingerprint
import Bag
-import Panic
import Control.Monad
import Data.List
-- on M.hi-boot, and hence that we should do the hi-boot consistency
-- check.)
- -- Modules don't compare lexicographically usually,
- -- but we want them to do so here.
- le_mod :: Module -> Module -> Bool
- le_mod m1 m2 = moduleNameFS (moduleName m1)
- <= moduleNameFS (moduleName m2)
-
- le_dep_mod :: (ModuleName, IsBootInterface)
- -> (ModuleName, IsBootInterface) -> Bool
- le_dep_mod (m1,_) (m2,_) = moduleNameFS m1 <= moduleNameFS m2
-
-
pkgs | th_used = insertList thPackageId (imp_dep_pkgs imports)
| otherwise = imp_dep_pkgs imports
- return Deps { dep_mods = sortLe le_dep_mod dep_mods,
- dep_pkgs = sortLe (<=) pkgs,
- dep_orphs = sortLe le_mod (imp_orphs imports),
- dep_finsts = sortLe le_mod (imp_finsts imports) }
+ return Deps { dep_mods = sortBy (stableModuleNameCmp `on` fst) dep_mods,
+ dep_pkgs = sortBy stablePackageIdCmp pkgs,
+ dep_orphs = sortBy stableModuleCmp (imp_orphs imports),
+ dep_finsts = sortBy stableModuleCmp (imp_finsts imports) }
-- sort to get into canonical order
-
+ -- NB. remember to use lexicographic ordering
mkIface_ :: HscEnv -> Maybe Fingerprint -> Module -> IsBootInterface
-> NameSet -> Dependencies -> GlobalRdrEnv
let sorted_deps = sortDependencies (mi_deps iface0)
-- the export hash of a module depends on the orphan hashes of the
- -- orphan modules below us in the dependeny tree. This is the way
+ -- orphan modules below us in the dependency tree. This is the way
-- that changes in orphans get propagated all the way up the
-- dependency tree. We only care about orphan modules in the current
-- package, because changes to orphans outside this package will be
data IfaceDeclExtras
= IfaceIdExtras Fixity [IfaceRule]
| IfaceDataExtras Fixity [IfaceInstABI] [(Fixity,[IfaceRule])]
- | IfaceClassExtras [IfaceInstABI] [(Fixity,[IfaceRule])]
+ | IfaceClassExtras Fixity [IfaceInstABI] [(Fixity,[IfaceRule])]
+ | IfaceSynExtras Fixity
| IfaceOtherDeclExtras
freeNamesDeclExtras :: IfaceDeclExtras -> NameSet
= unionManyNameSets (map freeNamesIfRule rules)
freeNamesDeclExtras (IfaceDataExtras _ _insts subs)
= unionManyNameSets (map freeNamesSub subs)
-freeNamesDeclExtras (IfaceClassExtras _insts subs)
+freeNamesDeclExtras (IfaceClassExtras _ _insts subs)
= unionManyNameSets (map freeNamesSub subs)
+freeNamesDeclExtras (IfaceSynExtras _)
+ = emptyNameSet
freeNamesDeclExtras IfaceOtherDeclExtras
= emptyNameSet
putByte bh 1; put_ bh fix; put_ bh rules
put_ bh (IfaceDataExtras fix insts cons) = do
putByte bh 2; put_ bh fix; put_ bh insts; put_ bh cons
- put_ bh (IfaceClassExtras insts methods) = do
- putByte bh 3; put_ bh insts; put_ bh methods
+ put_ bh (IfaceClassExtras fix insts methods) = do
+ putByte bh 3; put_ bh fix; put_ bh insts; put_ bh methods
+ put_ bh (IfaceSynExtras fix) = do
+ putByte bh 4; put_ bh fix
put_ bh IfaceOtherDeclExtras = do
- putByte bh 4
+ putByte bh 5
declExtras :: (OccName -> Fixity)
-> OccEnv [IfaceRule]
(map IfaceInstABI $ lookupOccEnvL inst_env n)
(map (id_extras . ifConOcc) (visibleIfConDecls cons))
IfaceClass{ifSigs=sigs} ->
- IfaceClassExtras
+ IfaceClassExtras (fix_fn n)
(map IfaceInstABI $ lookupOccEnvL inst_env n)
[id_extras op | IfaceClassOp op _ _ <- sigs]
+ IfaceSyn{} -> IfaceSynExtras (fix_fn n)
_other -> IfaceOtherDeclExtras
where
n = ifName decl
\begin{code}
mkIfaceExports :: [AvailInfo]
-> [(Module, [GenAvailInfo OccName])]
- -- Group by module and sort by occurrence
- -- This keeps the list in canonical order
+ -- Group by module and sort by occurrence
mkIfaceExports exports
= [ (mod, eltsFM avails)
- | (mod, avails) <- fmToList groupFM
+ | (mod, avails) <- sortBy (stableModuleCmp `on` fst)
+ (moduleEnvToList groupFM)
+ -- NB. the fmToList is in a random order,
+ -- because Ord Module is not a predictable
+ -- ordering. Hence we perform a final sort
+ -- using the stable Module ordering.
]
where
-- Group by the module where the exported entities are defined
-- Reason: Iface stuff uses OccNames, and the conversion here does
-- not do tidying on the way
tyThingToIfaceDecl (AnId id)
- = IfaceId { ifName = getOccName id,
- ifType = toIfaceType (idType id),
- ifIdInfo = info }
+ = IfaceId { ifName = getOccName id,
+ ifType = toIfaceType (idType id),
+ ifIdDetails = toIfaceIdDetails (idDetails id),
+ ifIdInfo = info }
where
info = case toIfaceIdInfo (idInfo id) of
[] -> NoInfo
ifaceConDecl data_con
= IfCon { ifConOcc = getOccName (dataConName data_con),
ifConInfix = dataConIsInfix data_con,
+ ifConWrapper = isJust (dataConWrapId_maybe data_con),
ifConUnivTvs = toIfaceTvBndrs (dataConUnivTyVars data_con),
ifConExTvs = toIfaceTvBndrs (dataConExTyVars data_con),
ifConEqSpec = to_eq_spec (dataConEqSpec data_con),
is_local name = nameIsLocalOrFrom mod name
-- Compute orphanhood. See Note [Orphans] in IfaceSyn
- (_, _, cls, tys) = tcSplitDFunTy (idType dfun_id)
+ (_, cls, tys) = tcSplitDFunTy (idType dfun_id)
-- Slightly awkward: we need the Class to get the fundeps
(tvs, fds) = classTvsFds cls
arg_names = [filterNameSet is_local (tyClsNamesOfType ty) | ty <- tys]
orph | is_local cls_name = Just (nameOccName cls_name)
- | all isJust mb_ns = head mb_ns
+ | all isJust mb_ns = ASSERT( not (null mb_ns) ) head mb_ns
| otherwise = Nothing
mb_ns :: [Maybe OccName] -- One for each fundep; a locally-defined name
-- See Note [IdInfo on nested let-bindings] in IfaceSyn
id_info = idInfo id
inline_prag = inlinePragInfo id_info
- prag_info | isAlwaysActive inline_prag = NoInfo
- | otherwise = HasInfo [HsInline inline_prag]
+ prag_info | isDefaultInlinePragma inline_prag = NoInfo
+ | otherwise = HasInfo [HsInline inline_prag]
--------------------------
+toIfaceIdDetails :: IdDetails -> IfaceIdDetails
+toIfaceIdDetails VanillaId = IfVanillaId
+toIfaceIdDetails (DFunId {}) = IfDFunId
+toIfaceIdDetails (RecSelId { sel_naughty = n
+ , sel_tycon = tc }) = IfRecSelId (toIfaceTyCon tc) n
+toIfaceIdDetails other = pprTrace "toIfaceIdDetails" (ppr other)
+ IfVanillaId -- Unexpected
+
toIfaceIdInfo :: IdInfo -> [IfaceInfoItem]
toIfaceIdInfo id_info
= catMaybes [arity_hsinfo, caf_hsinfo, strict_hsinfo,
- inline_hsinfo, wrkr_hsinfo, unfold_hsinfo]
+ inline_hsinfo, unfold_hsinfo]
where
------------ Arity --------------
arity_info = arityInfo id_info
Just sig | not (isTopSig sig) -> Just (HsStrictness sig)
_other -> Nothing
- ------------ Worker --------------
- work_info = workerInfo id_info
- has_worker = workerExists work_info
- wrkr_hsinfo = case work_info of
- HasWorker work_id wrap_arity ->
- Just (HsWorker ((idName work_id)) wrap_arity)
- NoWorker -> Nothing
-
------------ Unfolding --------------
- -- The unfolding is redundant if there is a worker
- unfold_info = unfoldingInfo id_info
- rhs = unfoldingTemplate unfold_info
- no_unfolding = neverUnfold unfold_info
- -- The CoreTidy phase retains unfolding info iff
- -- we want to expose the unfolding, taking into account
- -- unconditional NOINLINE, etc. See TidyPgm.addExternal
- unfold_hsinfo | no_unfolding = Nothing
- | has_worker = Nothing -- Unfolding is implicit
- | otherwise = Just (HsUnfold (toIfaceExpr rhs))
+ unfold_hsinfo = toIfUnfolding (unfoldingInfo id_info)
------------ Inline prag --------------
inline_prag = inlinePragInfo id_info
- inline_hsinfo | isAlwaysActive inline_prag = Nothing
- | no_unfolding && not has_worker = Nothing
- -- If the iface file give no unfolding info, we
- -- don't need to say when inlining is OK!
- | otherwise = Just (HsInline inline_prag)
+ inline_hsinfo | isDefaultInlinePragma inline_prag = Nothing
+ | otherwise = Just (HsInline inline_prag)
+
+--------------------------
+toIfUnfolding :: Unfolding -> Maybe IfaceInfoItem
+toIfUnfolding (CoreUnfolding { uf_tmpl = rhs, uf_arity = arity, uf_guidance = guidance })
+ = case guidance of
+ InlineRule { ug_ir_info = InlSat } -> Just (HsUnfold (IfInlineRule arity True (toIfaceExpr rhs)))
+ InlineRule { ug_ir_info = InlUnSat } -> Just (HsUnfold (IfInlineRule arity False (toIfaceExpr rhs)))
+ InlineRule { ug_ir_info = InlWrapper w } -> Just (HsUnfold (IfWrapper arity (idName w)))
+ UnfoldNever -> Nothing
+ UnfoldIfGoodArgs {} -> Just (HsUnfold (IfCoreUnfold (toIfaceExpr rhs)))
+ UnfoldAlways -> panic "toIfUnfolding:UnfoldAlways"
+ -- Never happens because we never have
+ -- bindings for unfold-always things
+toIfUnfolding (DFunUnfolding _con ops)
+ = Just (HsUnfold (IfDFunUnfold (map toIfaceExpr ops)))
+ -- No need to serialise the data constructor;
+ -- we can recover it from the type of the dfun
+toIfUnfolding _
+ = Nothing
--------------------------
coreRuleToIfaceRule :: Module -> CoreRule -> IfaceRule
---------------------
toIfaceNote :: Note -> IfaceNote
toIfaceNote (SCC cc) = IfaceSCC cc
-toIfaceNote InlineMe = IfaceInlineMe
toIfaceNote (CoreNote s) = IfaceCoreNote s
---------------------
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