-- The Name type
Name, -- Abstract
- mkInternalName, mkSystemName, mkFCallName,
+ mkInternalName, mkSystemName,
+ mkSystemNameEncoded, mkSystemTvNameEncoded, mkFCallName,
mkIPName,
mkExternalName, mkKnownKeyExternalName, mkWiredInName,
nameUnique, setNameUnique,
nameOccName, nameModule, nameModule_maybe,
- setNameOcc, nameRdrName, setNameModuleAndLoc,
- toRdrName, hashName,
- externaliseName, localiseName,
+ setNameOcc, setNameSrcLoc,
+ hashName, externaliseName, localiseName,
- nameSrcLoc,
+ nameSrcLoc, eqNameByOcc,
isSystemName, isInternalName, isExternalName,
- isTyVarName, isDllName,
+ isTyVarName, isDllName, isWiredInName,
nameIsLocalOrFrom, isHomePackageName,
-- Class NamedThing and overloaded friends
NamedThing(..),
- getSrcLoc, getOccString, toRdrName
+ getSrcLoc, getOccString
) where
#include "HsVersions.h"
import OccName -- All of it
-import Module ( Module, moduleName, mkVanillaModule, isHomeModule )
-import RdrName ( RdrName, mkRdrOrig, mkRdrUnqual, rdrNameOcc, rdrNameModule )
+import Module ( Module, moduleName, isHomeModule )
import CmdLineOpts ( opt_Static )
-import SrcLoc ( builtinSrcLoc, noSrcLoc, SrcLoc )
+import SrcLoc ( noSrcLoc, isWiredInLoc, wiredInSrcLoc, SrcLoc )
import Unique ( Unique, Uniquable(..), getKey, pprUnique )
import FastTypes
-import Binary
import Outputable
\end{code}
nameUnique name = n_uniq name
nameOccName name = n_occ name
nameSrcLoc name = n_loc name
-
-nameModule (Name { n_sort = External mod }) = mod
-nameModule name = pprPanic "nameModule" (ppr name)
-
-nameModule_maybe (Name { n_sort = External mod }) = Just mod
-nameModule_maybe name = Nothing
\end{code}
\begin{code}
isExternalName :: Name -> Bool
isSystemName :: Name -> Bool
isHomePackageName :: Name -> Bool
+isWiredInName :: Name -> Bool
+
+isWiredInName name = isWiredInLoc (n_loc name)
isExternalName (Name {n_sort = External _}) = True
-isExternalName other = False
+isExternalName other = False
+
+nameModule (Name { n_sort = External mod }) = mod
+nameModule name = pprPanic "nameModule" (ppr name)
+
+nameModule_maybe (Name { n_sort = External mod }) = Just mod
+nameModule_maybe name = Nothing
isInternalName name = not (isExternalName name)
isSystemName (Name {n_sort = System}) = True
isSystemName other = False
+
+eqNameByOcc :: Name -> Name -> Bool
+-- Compare using the strings, not the unique
+-- See notes with HsCore.eq_ufVar
+eqNameByOcc (Name {n_sort = sort1, n_occ = occ1})
+ (Name {n_sort = sort2, n_occ = occ2})
+ = sort1 `eq_sort` sort2 && occ1 == occ2
+ where
+ eq_sort (External m1) (External m2) = moduleName m1 == moduleName m2
+ eq_sort (External _) _ = False
+ eq_sort _ (External _) = False
+ eq_sort _ _ = True
\end{code}
mkExternalName :: Unique -> Module -> OccName -> SrcLoc -> Name
mkExternalName uniq mod occ loc = Name { n_uniq = uniq, n_sort = External mod,
- n_occ = occ, n_loc = loc }
+ n_occ = occ, n_loc = loc }
-mkKnownKeyExternalName :: RdrName -> Unique -> Name
-mkKnownKeyExternalName rdr_name uniq
- = mkExternalName uniq (mkVanillaModule (rdrNameModule rdr_name))
- (rdrNameOcc rdr_name)
- builtinSrcLoc
+mkKnownKeyExternalName :: Module -> OccName -> Unique -> Name
+mkKnownKeyExternalName mod occ uniq
+ = mkExternalName uniq mod occ noSrcLoc
mkWiredInName :: Module -> OccName -> Unique -> Name
-mkWiredInName mod occ uniq = mkExternalName uniq mod occ builtinSrcLoc
+mkWiredInName mod occ uniq = mkExternalName uniq mod occ wiredInSrcLoc
-mkSystemName :: Unique -> EncodedFS -> Name
+mkSystemName :: Unique -> UserFS -> Name
mkSystemName uniq fs = Name { n_uniq = uniq, n_sort = System,
- n_occ = mkVarOcc fs, n_loc = noSrcLoc }
+ n_occ = mkVarOcc fs, n_loc = noSrcLoc }
+
+-- Use this version when the string is already encoded. Avoids duplicating
+-- the string each time a new name is created.
+mkSystemNameEncoded :: Unique -> EncodedFS -> Name
+mkSystemNameEncoded uniq fs = Name { n_uniq = uniq, n_sort = System,
+ n_occ = mkSysOccFS varName fs,
+ n_loc = noSrcLoc }
+
+mkSystemTvNameEncoded :: Unique -> EncodedFS -> Name
+mkSystemTvNameEncoded uniq fs = Name { n_uniq = uniq, n_sort = System,
+ n_occ = mkSysOccFS tvName fs,
+ n_loc = noSrcLoc }
mkFCallName :: Unique -> EncodedString -> Name
-- The encoded string completely describes the ccall
localiseName :: Name -> Name
localiseName n = n { n_sort = Internal }
-setNameModuleAndLoc :: Name -> Module -> SrcLoc -> Name
-setNameModuleAndLoc name mod loc = name {n_sort = set (n_sort name), n_loc = loc}
- where
- set (External _) = External mod
+setNameSrcLoc :: Name -> SrcLoc -> Name
+setNameSrcLoc name loc = name {n_loc = loc}
\end{code}
\begin{code}
hashName :: Name -> Int
hashName name = iBox (getKey (nameUnique name))
-
-
-nameRdrName :: Name -> RdrName
--- Makes a qualified name for top-level (External) names,
--- whether locally defined or not and an unqualified name just for Internals
-nameRdrName (Name { n_occ = occ, n_sort = External mod }) = mkRdrOrig (moduleName mod) occ
-nameRdrName (Name { n_occ = occ }) = mkRdrUnqual occ
\end{code}
getName n = n
\end{code}
-%************************************************************************
-%* *
-\subsection{Binary output}
-%* *
-%************************************************************************
-
-\begin{code}
-instance Binary Name where
- -- we must print these as RdrNames, because that's how they will be read in
- put_ bh Name {n_sort = sort, n_uniq = uniq, n_occ = occ} =
- case sort of
- External mod
- | this_mod == mod -> put_ bh (mkRdrUnqual occ)
- | otherwise -> put_ bh (mkRdrOrig (moduleName mod) occ)
- where (this_mod,_,_,_) = getUserData bh
- _ -> do
- put_ bh (mkRdrUnqual occ)
-
- get bh = error "can't Binary.get a Name"
-\end{code}
%************************************************************************
%* *
-- When printing interfaces, all Internals have been given nice print-names
ppr name = pprName name
+instance OutputableBndr Name where
+ pprBndr _ name = pprName name
+
pprName name@(Name {n_sort = sort, n_uniq = uniq, n_occ = occ})
= getPprStyle $ \ sty ->
case sort of
pprExternal sty name uniq mod occ
| codeStyle sty = ppr (moduleName mod) <> char '_' <> pprOccName occ
-
- | debugStyle sty = ppr (moduleName mod) <> dot <> pprOccName occ <>
- text "{-" <> pprUnique uniq <> text "-}"
-
+ | debugStyle sty = ppr (moduleName mod) <> dot <> ppr_debug_occ uniq occ
| unqualStyle sty name = pprOccName occ
| otherwise = ppr (moduleName mod) <> dot <> pprOccName occ
pprInternal sty uniq occ
| codeStyle sty = pprUnique uniq
- | debugStyle sty = pprOccName occ <>
- text "{-" <> pprUnique uniq <> text "-}"
+ | debugStyle sty = ppr_debug_occ uniq occ
| otherwise = pprOccName occ -- User style
-- Like Internal, except that we only omit the unique in Iface style
-- If the tidy phase hasn't run, the OccName
-- is unlikely to be informative (like 's'),
-- so print the unique
+
+ppr_debug_occ uniq occ = hsep [pprOccName occ, text "{-",
+ text (briefOccNameFlavour occ),
+ pprUnique uniq, text "-}"]
\end{code}
%************************************************************************
\begin{code}
getSrcLoc :: NamedThing a => a -> SrcLoc
getOccString :: NamedThing a => a -> String
-toRdrName :: NamedThing a => a -> RdrName
getSrcLoc = nameSrcLoc . getName
getOccString = occNameString . getOccName
-toRdrName = nameRdrName . getName
\end{code}
projects / ghc-hetmet.git / blobdiff