%
+% (c) The University of Glasgow 2006
% (c) The GRASP/AQUA Project, Glasgow University, 1993-1998
%
\begin{code}
#include "HsVersions.h"
-import IfaceSyn -- All of it
+import IfaceSyn
import IfaceType
-import LoadIface ( readIface, loadInterface, pprModIface )
-import Id ( Id, idName, idType, idInfo, idArity, isDataConWorkId_maybe, isFCallId_maybe )
-import IdInfo ( IdInfo, CafInfo(..), WorkerInfo(..),
- arityInfo, cafInfo, newStrictnessInfo,
- workerInfo, unfoldingInfo, inlinePragInfo )
-import NewDemand ( isTopSig )
+import LoadIface
+import Id
+import IdInfo
+import NewDemand
import CoreSyn
-import Class ( classExtraBigSig, classTyCon )
-import TyCon ( TyCon, AlgTyConRhs(..), SynTyConRhs(..),
- isRecursiveTyCon, isForeignTyCon,
- isSynTyCon, isAlgTyCon, isPrimTyCon, isFunTyCon,
- isTupleTyCon, tupleTyConBoxity, tyConStupidTheta,
- tyConHasGenerics, synTyConRhs, isGadtSyntaxTyCon,
- tyConArity, tyConTyVars, algTyConRhs, tyConExtName,
- tyConFamInst_maybe )
-import DataCon ( dataConName, dataConFieldLabels, dataConStrictMarks,
- dataConTyCon, dataConIsInfix, dataConUnivTyVars,
- dataConExTyVars, dataConEqSpec, dataConTheta,
- dataConOrigArgTys )
-import Type ( TyThing(..), splitForAllTys, funResultTy )
-import TcType ( deNoteType )
-import TysPrim ( alphaTyVars )
-import InstEnv ( Instance(..) )
-import FamInstEnv ( FamInst(..) )
+import Class
+import TyCon
+import DataCon
+import Type
+import TcType
+import TysPrim
+import InstEnv
+import FamInstEnv
import TcRnMonad
-import HscTypes ( ModIface(..), ModDetails(..),
- ModGuts(..), HscEnv(..), hscEPS, Dependencies(..),
- FixItem(..),
- ModSummary(..), msHiFilePath,
- mkIfaceDepCache, mkIfaceFixCache, mkIfaceVerCache,
- typeEnvElts,
- GenAvailInfo(..), availName, AvailInfo,
- ExternalPackageState(..),
- Usage(..), IsBootInterface,
- Deprecs(..), IfaceDeprecs, Deprecations,
- lookupIfaceByModule, isImplicitTyThing
- )
-
-
-import DynFlags ( GhcMode(..), DynFlags(..), DynFlag(..), dopt )
-import Name ( Name, nameModule, nameModule_maybe, nameOccName,
- isExternalName, isInternalName, isWiredInName,
- NamedThing(..) )
+import HscTypes
+
+import DynFlags
+import Name
import NameEnv
import NameSet
-import OccName ( OccName, OccEnv, mkOccEnv, lookupOccEnv, emptyOccEnv,
- extendOccEnv_C,
- OccSet, emptyOccSet, elemOccSet, occSetElts,
- extendOccSet, extendOccSetList, mkOccSet,
- isEmptyOccSet, intersectOccSet, intersectsOccSet,
- unionOccSets, unitOccSet,
- occNameFS, isTcOcc )
+import OccName
import Module
-import BinIface ( readBinIface, writeBinIface, v_IgnoreHiWay )
-import Unique ( Unique, Uniquable(..) )
-import ErrUtils ( dumpIfSet_dyn, showPass )
-import Digraph ( stronglyConnComp, SCC(..) )
-import SrcLoc ( SrcSpan )
-import PackageConfig ( PackageId )
+import BinIface
+import Unique
+import ErrUtils
+import Digraph
+import SrcLoc
+import PackageConfig hiding ( Version )
import Outputable
import BasicTypes hiding ( SuccessFlag(..) )
import UniqFM
import Util hiding ( eqListBy )
import FiniteMap
import FastString
+import Maybes
-import Data.List ( partition )
-import DATA_IOREF ( writeIORef )
-import Monad ( when )
-import List ( insert )
-import Maybes ( orElse, mapCatMaybes, isNothing, isJust,
- expectJust, catMaybes, MaybeErr(..) )
+import Control.Monad
+import Data.List
\end{code}
mi_rule_vers = initialVersion,
mi_orphan = False, -- Always set by addVersionInfo, but
-- it's a strict field, so we can't omit it.
+ mi_finsts = False, -- Ditto
mi_decls = deliberatelyOmitted "decls",
mi_ver_fn = deliberatelyOmitted "ver_fn",
addVersionInfo ver_fn Nothing new_iface new_decls
-- No old interface, so definitely write a new one!
= (new_iface { mi_orphan = anyNothing ifInstOrph (mi_insts new_iface)
- || anyNothing ifRuleOrph (mi_rules new_iface),
- mi_decls = [(initialVersion, decl) | decl <- new_decls],
- mi_ver_fn = mkIfaceVerCache (zip (repeat initialVersion) new_decls)},
+ || anyNothing ifRuleOrph (mi_rules new_iface)
+ , mi_finsts = not . null $ mi_fam_insts new_iface
+ , mi_decls = [(initialVersion, decl) | decl <- new_decls]
+ , mi_ver_fn = mkIfaceVerCache (zip (repeat initialVersion)
+ new_decls)
+ },
False,
ptext SLIT("No old interface file"),
pprOrphans orph_insts orph_rules)
mi_exp_vers = bump_unless no_export_change old_exp_vers,
mi_rule_vers = bump_unless no_rule_change old_rule_vers,
mi_orphan = not (null new_orph_rules && null new_orph_insts),
+ mi_finsts = not . null $ mi_fam_insts new_iface,
mi_decls = decls_w_vers,
mi_ver_fn = mkIfaceVerCache decls_w_vers }
mkOrphMap ifInstOrph (mi_insts old_iface)
(new_non_orph_insts, new_orph_insts) =
mkOrphMap ifInstOrph (mi_insts new_iface)
+ old_fam_insts = mi_fam_insts old_iface
+ new_fam_insts = mi_fam_insts new_iface
same_insts occ = eqMaybeBy (eqListBy eqIfInst)
(lookupOccEnv old_non_orph_insts occ)
(lookupOccEnv new_non_orph_insts occ)
-- Kept sorted
no_decl_change = isEmptyOccSet changed_occs
no_rule_change = not (changedWrtNames changed_occs (eqListBy eqIfRule old_orph_rules new_orph_rules)
- || changedWrtNames changed_occs (eqListBy eqIfInst old_orph_insts new_orph_insts))
+ || changedWrtNames changed_occs (eqListBy eqIfInst old_orph_insts new_orph_insts)
+ || changedWrtNames changed_occs (eqListBy eqIfFamInst old_fam_insts new_fam_insts))
no_deprec_change = mi_deprecs new_iface == mi_deprecs old_iface
-- If the usages havn't changed either, we don't need to write the interface file
-- a) we used something from; has something in used_names
-- b) we imported all of it, even if we used nothing from it
-- (need to recompile if its export list changes: export_vers)
- -- c) is a home-package orphan module (need to recompile if its
- -- instance decls change: rules_vers)
+ -- c) is a home-package orphan or family-instance module (need to
+ -- recompile if its instance decls change: rules_vers)
mkUsage :: (ModuleName, IsBootInterface) -> Maybe Usage
mkUsage (mod_name, _)
| isNothing maybe_iface -- We can't depend on it if we didn't
|| (null used_occs -- load its interface.
&& isNothing export_vers
- && not orphan_mod)
+ && not orphan_mod
+ && not finsts_mod)
= Nothing -- Record no usage info
| otherwise
Just iface = maybe_iface
orphan_mod = mi_orphan iface
+ finsts_mod = mi_finsts iface
version_env = mi_ver_fn iface
mod_vers = mi_mod_vers iface
rules_vers = mi_rule_vers iface
projects / ghc-hetmet.git / blobdiff