mkLocalName, mkImportedLocalName, mkSysLocalName, mkCCallName,
mkTopName, mkIPName,
mkDerivedName, mkGlobalName, mkKnownKeyGlobal,
- mkWiredInIdName, mkWiredInTyConName,
+ mkWiredInIdName, mkWiredInTyConName,
mkUnboundName, isUnboundName,
maybeWiredInIdName, maybeWiredInTyConName,
nameUnique, setNameUnique, setNameProvenance, getNameProvenance, setNameImportReason,
tidyTopName,
- nameOccName, nameModule, setNameOcc, nameRdrName, setNameModule,
+ nameOccName, nameModule, setNameOcc, nameRdrName, setNameModule, toRdrName,
isUserExportedName, isUserImportedName, isUserImportedExplicitlyName,
maybeUserImportedFrom,
nameSrcLoc, isLocallyDefinedName, isDllName,
isSystemName, isLocalName, isGlobalName, isExternallyVisibleName,
+ isTyVarName,
+ -- Environment
+ NameEnv, mkNameEnv,
+ emptyNameEnv, unitNameEnv, nameEnvElts,
+ extendNameEnv_C, extendNameEnv,
+ plusNameEnv, plusNameEnv_C, extendNameEnv, extendNameEnvList,
+ lookupNameEnv, lookupNameEnv_NF, delFromNameEnv, elemNameEnv,
+
-- Provenance
Provenance(..), ImportReason(..), pprProvenance,
import CmdLineOpts ( opt_Static, opt_PprStyle_NoPrags, opt_OmitInterfacePragmas, opt_EnsureSplittableC )
import SrcLoc ( noSrcLoc, mkBuiltinSrcLoc, SrcLoc )
-import Unique ( pprUnique, Unique, Uniquable(..), unboundKey, u2i )
+import Unique ( Unique, Uniquable(..), u2i, hasKey, pprUnique )
+import PrelNames ( unboundKey )
+import Maybes ( expectJust )
+import UniqFM
import Outputable
import GlaExts
\end{code}
n_occ = occ, n_prov = prov }
-mkKnownKeyGlobal :: (RdrName, Unique) -> Name
-mkKnownKeyGlobal (rdr_name, uniq)
+mkKnownKeyGlobal :: RdrName -> Unique -> Name
+mkKnownKeyGlobal rdr_name uniq
= mkGlobalName uniq (mkVanillaModule (rdrNameModule rdr_name))
(rdrNameOcc rdr_name)
systemProvenance
mkWiredInIdName uniq mod occ id = Name { n_uniq = uniq, n_sort = WiredInId mod id,
n_occ = occ, n_prov = SystemProv }
--- mkWiredInTyConName takes a FAST_STRING instead of
--- an OccName, which is a bit yukky but that's what the
--- clients find easiest.
-mkWiredInTyConName :: Unique -> Module -> FAST_STRING -> TyCon -> Name
-mkWiredInTyConName uniq mod fs tycon
+mkWiredInTyConName :: Unique -> Module -> OccName -> TyCon -> Name
+mkWiredInTyConName uniq mod occ tycon
= Name { n_uniq = uniq, n_sort = WiredInTyCon mod tycon,
- n_occ = mkSrcOccFS tcName fs, n_prov = SystemProv }
+ n_occ = occ, n_prov = SystemProv }
---------------------------------------------------------------------
mkUnboundName rdr_name = mkLocalName unboundKey (rdrNameOcc rdr_name) noSrcLoc
isUnboundName :: Name -> Bool
-isUnboundName name = getUnique name == unboundKey
+isUnboundName name = name `hasKey` unboundKey
\end{code}
\begin{code}
nameSortModule (WiredInTyCon mod _) = mod
nameRdrName :: Name -> RdrName
+-- Makes a qualified name for top-level (Global) names, whether locally defined or not
+-- and an unqualified name just for Locals
nameRdrName (Name { n_sort = Local, n_occ = occ }) = mkRdrUnqual occ
nameRdrName (Name { n_sort = sort, n_occ = occ }) = mkRdrQual (moduleName (nameSortModule sort)) occ
-- Does this name refer to something in a different DLL?
isDllName nm = not opt_Static &&
not (isLocallyDefinedName nm) &&
+-- isLocallyDefinedName test is needed because nameModule won't work on local names
not (isLocalModule (nameModule nm))
nameSrcLoc name = provSrcLoc (n_prov name)
isGlobalName (Name {n_sort = Local}) = False
isGlobalName other = True
+isTyVarName :: Name -> Bool
+isTyVarName name = isTvOcc (nameOccName name)
+
-- Global names are by definition those that are visible
-- outside the module, *as seen by the linker*. Externally visible
-- does not mean visible at the source level (that's isExported).
isExternallyVisibleName name = isGlobalName name
hasBetterProv :: Name -> Name -> Bool
-hasBetterProv name1 name2
- = case n_prov name1 of
- LocalDef _ _ -> True
- SystemProv -> False
- NonLocalDef _ _ -> case n_prov name2 of
- LocalDef _ _ -> False
- other -> True
+-- Choose
+-- a local thing over an imported thing
+-- a user-imported thing over a non-user-imported thing
+-- an explicitly-imported thing over an implicitly imported thing
+hasBetterProv n1 n2
+ = case (n_prov n1, n_prov n2) of
+ (LocalDef _ _, _ ) -> True
+ (NonLocalDef (UserImport _ _ True) _, _ ) -> True
+ (NonLocalDef (UserImport _ _ _ ) _, NonLocalDef ImplicitImport _) -> True
+ other -> False
isSystemName (Name {n_prov = SystemProv}) = True
isSystemName other = False
%************************************************************************
%* *
+\subsection{Name environment}
+%* *
+%************************************************************************
+
+\begin{code}
+type NameEnv a = UniqFM a -- Domain is Name
+
+emptyNameEnv :: NameEnv a
+mkNameEnv :: [(Name,a)] -> NameEnv a
+nameEnvElts :: NameEnv a -> [a]
+extendNameEnv_C :: (a->a->a) -> NameEnv a -> Name -> a -> NameEnv a
+extendNameEnv :: NameEnv a -> Name -> a -> NameEnv a
+plusNameEnv :: NameEnv a -> NameEnv a -> NameEnv a
+plusNameEnv_C :: (a->a->a) -> NameEnv a -> NameEnv a -> NameEnv a
+extendNameEnvList:: NameEnv a -> [(Name,a)] -> NameEnv a
+delFromNameEnv :: NameEnv a -> Name -> NameEnv a
+elemNameEnv :: Name -> NameEnv a -> Bool
+unitNameEnv :: Name -> a -> NameEnv a
+lookupNameEnv :: NameEnv a -> Name -> Maybe a
+lookupNameEnv_NF :: NameEnv a -> Name -> a
+mapNameEnv :: (a->b) -> NameEnv a -> NameEnv b
+
+emptyNameEnv = emptyUFM
+mkNameEnv = listToUFM
+nameEnvElts = eltsUFM
+extendNameEnv_C = addToUFM_C
+extendNameEnv = addToUFM
+plusNameEnv = plusUFM
+plusNameEnv_C = plusUFM_C
+extendNameEnvList= addListToUFM
+delFromNameEnv = delFromUFM
+elemNameEnv = elemUFM
+mapNameEnv = mapUFM
+unitNameEnv = unitUFM
+
+lookupNameEnv = lookupUFM
+lookupNameEnv_NF env n = expectJust "lookupNameEnv_NF" (lookupUFM env n)
+\end{code}
+
+
+%************************************************************************
+%* *
\subsection{Pretty printing}
%* *
%************************************************************************
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