\begin{code}
module Module
(
- Module, mod_name, mod_kind
- -- abstract, instance of Eq, Ord, Outputable
+ Module, -- Abstract, instance of Eq, Ord, Outputable
+
+ , PackageName -- = FastString; instance of Outputable, Uniquable
+ , modulePackage -- :: Module -> PackageName
+ , preludePackage -- :: PackageName name of Standard Prelude package
+
, ModuleName
- , ModuleKind(..)
- , isLocalModuleKind
+ , pprModuleName -- :: ModuleName -> SDoc
+ , printModulePrefix
+ , moduleName -- :: Module -> ModuleName
, moduleNameString -- :: ModuleName -> EncodedString
, moduleNameUserString -- :: ModuleName -> UserString
, moduleNameFS -- :: ModuleName -> EncodedFS
, moduleString -- :: Module -> EncodedString
, moduleUserString -- :: Module -> UserString
- , moduleName -- :: Module -> ModuleName
- , mkVanillaModule -- :: ModuleName -> Module
--- , mkThisModule -- :: ModuleName -> Module
+ , mkVanillaModule -- :: ModuleName -> Module
+ , isVanillaModule -- :: Module -> Bool
, mkPrelModule -- :: UserString -> Module
- , mkModule -- :: ModuleName -> ModuleKind -> Module
- , isLocalModule -- :: Module -> Bool
-
--- , mkSrcModule
+ , isPrelModule -- :: Module -> Bool
+ , mkModule -- :: ModuleName -> PackageName -> Module
+ , mkHomeModule -- :: ModuleName -> Module
+ , isHomeModule -- :: Module -> Bool
, mkModuleName -- :: UserString -> ModuleName
, mkModuleNameFS -- :: UserFS -> ModuleName
, pprModule,
- , PackageName
-
-- Where to find a .hi file
, WhereFrom(..)
, elemModuleEnv, extendModuleEnv, extendModuleEnvList, plusModuleEnv_C
, delModuleEnvList, delModuleEnv, plusModuleEnv, lookupModuleEnv
, lookupWithDefaultModuleEnv, mapModuleEnv, mkModuleEnv, emptyModuleEnv
- , rngModuleEnv, unitModuleEnv, isEmptyModuleEnv, foldModuleEnv
+ , moduleEnvElts, unitModuleEnv, isEmptyModuleEnv, foldModuleEnv
+ , lookupModuleEnvByName, extendModuleEnv_C
+
+ , ModuleSet, emptyModuleSet, mkModuleSet, moduleSetElts, extendModuleSet, elemModuleSet
) where
import OccName
import Outputable
import CmdLineOpts ( opt_InPackage )
-import FastString ( FastString, uniqueOfFS )
-import Unique ( Uniquable(..), mkUniqueGrimily )
+import FastString ( FastString )
+import Unique ( Uniquable(..) )
import UniqFM
+import UniqSet
\end{code}
%* *
%************************************************************************
-A further twist to the tale is the support for dynamically linked libraries under
-Win32. Here, dealing with the use of global variables that's residing in a DLL
-requires special handling at the point of use (there's an extra level of indirection,
-i.e., (**v) to get at v's value, rather than just (*v) .) When slurping in an
-interface file we then record whether it's coming from a .hi corresponding to a
-module that's packaged up in a DLL or not, so that we later can emit the
+A further twist to the tale is the support for dynamically linked
+libraries under Win32. Here, dealing with the use of global variables
+that's residing in a DLL requires special handling at the point of use
+(there's an extra level of indirection, i.e., (**v) to get at v's
+value, rather than just (*v) .) When slurping in an interface file we
+then record whether it's coming from a .hi corresponding to a module
+that's packaged up in a DLL or not, so that we later can emit the
appropriate code.
-The logic for how an interface file is marked as corresponding to a module that's
-hiding in a DLL is explained elsewhere (ToDo: give renamer href here.)
-
-@SourceOnly@ and @ObjectCode@ indicate a module from the same package
-as the one being compiled, i.e. a home module. @InPackage@ means one
-from a different package.
+The logic for how an interface file is marked as corresponding to a
+module that's hiding in a DLL is explained elsewhere (ToDo: give
+renamer href here.)
\begin{code}
-data ModuleKind
- = SourceOnly FilePath -- .hs
- | ObjectCode FilePath FilePath -- .o, .hi
- | InPackage PackageName
+data Module = Module ModuleName PackageInfo
-isLocalModuleKind (InPackage _) = False
-isLocalModuleKind _ = True
+data PackageInfo
+ = ThisPackage -- A module from the same package
+ -- as the one being compiled
+ | AnotherPackage PackageName -- A module from a different package
+
+ | DunnoYet -- This is used when we don't yet know
+ -- Main case: we've come across Foo.x in an interface file
+ -- but we havn't yet opened Foo.hi. We need a Name for Foo.x
+ -- Later on (in RnEnv.newTopBinder) we'll update the cache
+ -- to have the right PackageName
type PackageName = FastString -- No encoding at all
-preludePackage :: ModuleKind
-preludePackage = InPackage SLIT("std")
+preludePackage :: PackageName
+preludePackage = SLIT("std")
+
+packageInfoPackage :: PackageInfo -> PackageName
+packageInfoPackage ThisPackage = opt_InPackage
+packageInfoPackage DunnoYet = SLIT("<?>")
+packageInfoPackage (AnotherPackage p) = p
-instance Outputable ModuleKind where
- ppr (SourceOnly path_hs)
- = text "SourceOnly" <+> text (show path_hs)
- ppr (ObjectCode path_o path_hi)
- = text "ObjectCode" <+> text (show path_o) <+> text (show path_hi)
- ppr (InPackage pkgname)
- = text "InPackage" <+> text (show pkgname)
+instance Outputable PackageInfo where
+ -- Just used in debug prints of lex tokens and in debug modde
+ ppr pkg_info = ppr (packageInfoPackage pkg_info)
\end{code}
| ImportBySystem -- Non user import. Look for M.hi if M is in
-- the module this module depends on, or is a system-ish module;
-- M.hi-boot otherwise
+ | ImportByCmdLine -- The user typed a qualified name at
+ -- the GHCi prompt, try to demand-load
+ -- the interface.
instance Outputable WhereFrom where
ppr ImportByUser = empty
-- so the module names have the z-encoding applied to them
instance Uniquable ModuleName where
- getUnique (ModuleName nm) = mkUniqueGrimily (uniqueOfFS nm)
+ getUnique (ModuleName nm) = getUnique nm
instance Eq ModuleName where
nm1 == nm2 = getUnique nm1 == getUnique nm2
\end{code}
\begin{code}
-data Module = Module ModuleName ModuleKind
-
-mod_name (Module nm kind) = nm
-mod_kind (Module nm kind) = kind
-\end{code}
-
-\begin{code}
instance Outputable Module where
ppr = pprModule
\begin{code}
-mkModule :: ModuleName -> ModuleKind -> Module
-mkModule = Module
--- I don't think anybody except the Finder should ever try to create a
--- Module now, so this lot commented out pro tem (JRS)
---mkModule :: ModuleName -- Name of the module
--- -> PackageName
--- -> Module
---mkModule mod_nm pack_name
--- = Module mod_nm pack_info
--- where
--- pack_info | pack_name == opt_InPackage = ThisPackage
--- | otherwise = AnotherPackage pack_name
-
+mkModule :: ModuleName -- Name of the module
+ -> PackageName
+ -> Module
+mkModule mod_nm pack_name
+ = Module mod_nm pack_info
+ where
+ pack_info | pack_name == opt_InPackage = ThisPackage
+ | otherwise = AnotherPackage pack_name
+
+mkHomeModule :: ModuleName -> Module
+mkHomeModule mod_nm = Module mod_nm ThisPackage
+
+isHomeModule :: Module -> Bool
+isHomeModule (Module nm ThisPackage) = True
+isHomeModule _ = False
-- Used temporarily when we first come across Foo.x in an interface
-- file, but before we've opened Foo.hi.
--- (Until we've opened Foo.hi we don't know what the PackageInfo is.)
+-- (Until we've opened Foo.hi we don't know what the Package is.)
mkVanillaModule :: ModuleName -> Module
-mkVanillaModule name = Module name (panic "mkVanillaModule:unknown mod_kind field")
+mkVanillaModule name = Module name DunnoYet
---mkThisModule :: ModuleName -> Module -- The module being compiled
---mkThisModule name = Module name ThisPackage
+isVanillaModule :: Module -> Bool
+isVanillaModule (Module nm DunnoYet) = True
+isVanillaModule _ = False
mkPrelModule :: ModuleName -> Module
-mkPrelModule name = Module name preludePackage
+mkPrelModule name = mkModule name preludePackage
+
+isPrelModule :: Module -> Bool
+isPrelModule (Module nm (AnotherPackage p)) | p == preludePackage = True
+isPrelModule _ = False
moduleString :: Module -> EncodedString
moduleString (Module (ModuleName fs) _) = _UNPK_ fs
moduleName :: Module -> ModuleName
-moduleName (Module mod _) = mod
+moduleName (Module mod pkg_info) = mod
+
+modulePackage :: Module -> PackageName
+modulePackage (Module mod pkg_info) = packageInfoPackage pkg_info
moduleUserString :: Module -> UserString
moduleUserString (Module mod _) = moduleNameUserString mod
-isLocalModule :: Module -> Bool
-isLocalModule (Module nm kind) = isLocalModuleKind kind
+printModulePrefix :: Module -> Bool
+ -- When printing, say M.x
+printModulePrefix (Module nm ThisPackage) = False
+printModulePrefix _ = True
\end{code}
+
%************************************************************************
%* *
\subsection{@ModuleEnv@s}
mkModuleEnv :: [(Module, a)] -> ModuleEnv a
unitModuleEnv :: Module -> a -> ModuleEnv a
extendModuleEnv :: ModuleEnv a -> Module -> a -> ModuleEnv a
+extendModuleEnv_C :: (a->a->a) -> ModuleEnv a -> Module -> a -> ModuleEnv a
plusModuleEnv :: ModuleEnv a -> ModuleEnv a -> ModuleEnv a
extendModuleEnvList :: ModuleEnv a -> [(Module, a)] -> ModuleEnv a
delModuleEnv :: ModuleEnv a -> Module -> ModuleEnv a
plusModuleEnv_C :: (a -> a -> a) -> ModuleEnv a -> ModuleEnv a -> ModuleEnv a
mapModuleEnv :: (a -> b) -> ModuleEnv a -> ModuleEnv b
-rngModuleEnv :: ModuleEnv a -> [a]
+moduleEnvElts :: ModuleEnv a -> [a]
isEmptyModuleEnv :: ModuleEnv a -> Bool
-lookupModuleEnv :: ModuleEnv a -> Module -> Maybe a
+lookupModuleEnv :: ModuleEnv a -> Module -> Maybe a
+lookupModuleEnvByName:: ModuleEnv a -> ModuleName -> Maybe a
lookupWithDefaultModuleEnv :: ModuleEnv a -> a -> Module -> a
elemModuleEnv :: Module -> ModuleEnv a -> Bool
foldModuleEnv :: (a -> b -> b) -> b -> ModuleEnv a -> b
elemModuleEnv = elemUFM
extendModuleEnv = addToUFM
+extendModuleEnv_C = addToUFM_C
extendModuleEnvList = addListToUFM
plusModuleEnv_C = plusUFM_C
delModuleEnvList = delListFromUFM
delModuleEnv = delFromUFM
plusModuleEnv = plusUFM
lookupModuleEnv = lookupUFM
+lookupModuleEnvByName = lookupUFM
lookupWithDefaultModuleEnv = lookupWithDefaultUFM
mapModuleEnv = mapUFM
mkModuleEnv = listToUFM
emptyModuleEnv = emptyUFM
-rngModuleEnv = eltsUFM
+moduleEnvElts = eltsUFM
unitModuleEnv = unitUFM
isEmptyModuleEnv = isNullUFM
foldModuleEnv = foldUFM
-\end{code}
\ No newline at end of file
+\end{code}
+
+\begin{code}
+
+type ModuleSet = UniqSet Module
+mkModuleSet :: [Module] -> ModuleSet
+extendModuleSet :: ModuleSet -> Module -> ModuleSet
+emptyModuleSet :: ModuleSet
+moduleSetElts :: ModuleSet -> [Module]
+elemModuleSet :: Module -> ModuleSet -> Bool
+
+emptyModuleSet = emptyUniqSet
+mkModuleSet = mkUniqSet
+extendModuleSet = addOneToUniqSet
+moduleSetElts = uniqSetToList
+elemModuleSet = elementOfUniqSet
+\end{code}
projects / ghc-hetmet.git / blobdiff