#include "HsVersions.h"
module Name (
- Module(..),
+ SYN_IE(Module),
+
+ OrigName(..), -- glorified pair
+ qualToOrigName, -- a Qual to an OrigName
RdrName(..),
+ preludeQual,
+ moduleNamePair,
isUnqual,
isQual,
- isConopRdr,
+ isRdrLexCon, isRdrLexConOrSpecial,
appendRdr,
- rdrToOrig,
showRdr,
cmpRdr,
Name,
Provenance,
mkLocalName, isLocalName,
- mkTopLevName, mkImportedName,
+ mkTopLevName, mkImportedName, oddlyImportedName,
mkImplicitName, isImplicitName,
- mkBuiltinName,
+ mkPrimitiveName, mkWiredInName,
+ mkCompoundName, mkCompoundName2,
mkFunTyConName, mkTupleDataConName, mkTupleTyConName,
+ mkTupNameStr,
NamedThing(..), -- class
- ExportFlag(..), isExported,
+ ExportFlag(..),
+ isExported{-overloaded-}, exportFlagOn{-not-},
- nameUnique,
- nameOrigName,
+ nameUnique, changeUnique,
nameOccName,
+-- nameOrigName, : not exported
nameExportFlag,
nameSrcLoc,
- isLocallyDefinedName,
- isPreludeDefinedName,
-
- getOrigName, getOccName, getExportFlag,
- getSrcLoc, isLocallyDefined, isPreludeDefined,
- getLocalName, getOrigNameRdr, ltLexical,
-
- isOpLexeme, pprOp, pprNonOp,
- isConop, isAconop, isAvarid, isAvarop
+ nameImpLocs,
+ nameImportFlag,
+ isLocallyDefinedName, isWiredInName,
+
+ origName, moduleOf, nameOf,
+ getOccName, getExportFlag,
+ getSrcLoc, getImpLocs,
+ isLocallyDefined,
+ getLocalName,
+
+ isSymLexeme, pprSym, pprNonSym,
+ isLexCon, isLexVar, isLexId, isLexSym, isLexSpecialSym,
+ isLexConId, isLexConSym, isLexVarId, isLexVarSym
) where
-import Ubiq
+IMP_Ubiq()
+IMPORT_1_3(Char(isUpper,isLower))
-import CStrings ( identToC, cSEP )
+import CmdLineOpts ( maybe_CompilingGhcInternals )
+import CStrings ( identToC, modnameToC, cSEP )
import Outputable ( Outputable(..) )
import PprStyle ( PprStyle(..), codeStyle )
-import PrelMods ( pRELUDE, pRELUDE_BUILTIN )
+import PrelMods ( pRELUDE )
import Pretty
-import SrcLoc ( mkBuiltinSrcLoc, mkUnknownSrcLoc )
+import SrcLoc ( mkBuiltinSrcLoc, mkUnknownSrcLoc, SrcLoc )
import Unique ( funTyConKey, mkTupleDataConUnique, mkTupleTyConUnique,
pprUnique, Unique
)
-import Util ( thenCmp, _CMP_STRING_, nOfThem, panic )
+import Util ( thenCmp, _CMP_STRING_, nOfThem, panic, assertPanic{-, pprTrace ToDo:rm-} )
+
+#ifdef REALLY_HASKELL_1_3
+ord = fromEnum :: Char -> Int
+#endif
\end{code}
%************************************************************************
\begin{code}
type Module = FAST_STRING
-data RdrName = Unqual FAST_STRING
- | Qual Module FAST_STRING
+data OrigName = OrigName Module FAST_STRING
+
+qualToOrigName (Qual m n) = OrigName m n
+
+data RdrName
+ = Unqual FAST_STRING
+ | Qual Module FAST_STRING
+
+preludeQual n = Qual pRELUDE n
+
+moduleNamePair (Qual m n) = (m, n) -- we make *no* claim whether this
+ -- constitutes an original name or
+ -- an occurrence name, or anything else
isUnqual (Unqual _) = True
isUnqual (Qual _ _) = False
isQual (Unqual _) = False
isQual (Qual _ _) = True
-isConopRdr (Unqual n) = isConop n
-isConopRdr (Qual m n) = isConop n
+isRdrLexCon (Unqual n) = isLexCon n
+isRdrLexCon (Qual m n) = isLexCon n
+
+isRdrLexConOrSpecial (Unqual n) = isLexCon n || isLexSpecialSym n
+isRdrLexConOrSpecial (Qual m n) = isLexCon n || isLexSpecialSym n
appendRdr (Unqual n) str = Unqual (n _APPEND_ str)
appendRdr (Qual m n) str = Qual m (n _APPEND_ str)
-rdrToOrig (Unqual n) = (pRELUDE, n)
-rdrToOrig (Qual m n) = (m, n)
+cmpRdr (Unqual n1) (Unqual n2) = _CMP_STRING_ n1 n2
+cmpRdr (Unqual n1) (Qual m2 n2) = LT_
+cmpRdr (Qual m1 n1) (Unqual n2) = GT_
+cmpRdr (Qual m1 n1) (Qual m2 n2) = _CMP_STRING_ n1 n2 `thenCmp` _CMP_STRING_ m1 m2
+ -- always compare module-names *second*
-cmpRdr (Unqual n1) (Unqual n2) = _CMP_STRING_ n1 n2
-cmpRdr (Unqual n1) (Qual m2 n2) = LT_
-cmpRdr (Qual m1 n1) (Unqual n2) = GT_
-cmpRdr (Qual m1 n1) (Qual m2 n2) = thenCmp (_CMP_STRING_ m1 m2) (_CMP_STRING_ n1 n2)
+cmpOrig (OrigName m1 n1) (OrigName m2 n2)
+ = _CMP_STRING_ n1 n2 `thenCmp` _CMP_STRING_ m1 m2 -- again; module-names *second*
instance Eq RdrName where
a == b = case (a `cmp` b) of { EQ_ -> True; _ -> False }
instance NamedThing RdrName where
-- We're sorta faking it here
- getName rdr_name
- = Global u rdr_name prov ex [rdr_name]
+ getName (Unqual n)
+ = Local u n True locn
+ where
+ u = panic "NamedThing.RdrName:Unique1"
+ locn = panic "NamedThing.RdrName:locn"
+
+ getName rdr_name@(Qual m n)
+ = Global u m (Left n) prov ex [rdr_name]
where
u = panic "NamedThing.RdrName:Unique"
prov = panic "NamedThing.RdrName:Provenance"
ppr sty (Unqual n) = pp_name sty n
ppr sty (Qual m n) = ppBeside (pp_mod sty m) (pp_name sty n)
-pp_mod PprInterface m = ppNil
-pp_mod PprForC m = ppBesides [identToC m, ppPStr cSEP]
-pp_mod (PprForAsm False _) m = ppBesides [identToC m, ppPStr cSEP]
-pp_mod (PprForAsm True _) m = ppBesides [ppPStr cSEP, identToC m, ppPStr cSEP]
-pp_mod _ m = ppBesides [ppPStr m, ppChar '.']
+pp_mod sty m
+ = case sty of
+ PprForC -> pp_code
+ PprForAsm False _ -> pp_code
+ PprForAsm True _ -> ppBeside (ppPStr cSEP) pp_code
+ _ -> ppBeside (ppPStr m) (ppChar '.')
+ where
+ pp_code = ppBeside (ppPStr (modnameToC m)) (ppPStr cSEP)
+
+pp_name sty n = (if codeStyle sty then identToC else ppPStr) n
+
+pp_name2 sty pieces
+ = ppIntersperse sep (map pp_piece pieces)
+ where
+ sep = if codeStyle sty then ppPStr cSEP else ppChar '.'
-pp_name sty n | codeStyle sty = identToC n
- | otherwise = ppPStr n
+ pp_piece (Left (OrigName m n)) = ppBeside (pp_mod sty m) (pp_name sty n)
+ pp_piece (Right n) = pp_name sty n
showRdr sty rdr = ppShow 100 (ppr sty rdr)
+
+-------------------------
+instance Eq OrigName where
+ a == b = case (a `cmp` b) of { EQ_ -> True; _ -> False }
+ a /= b = case (a `cmp` b) of { EQ_ -> False; _ -> True }
+
+instance Ord OrigName where
+ a <= b = case (a `cmp` b) of { LT_ -> True; EQ_ -> True; GT__ -> False }
+ a < b = case (a `cmp` b) of { LT_ -> True; EQ_ -> False; GT__ -> False }
+ a >= b = case (a `cmp` b) of { LT_ -> False; EQ_ -> True; GT__ -> True }
+ a > b = case (a `cmp` b) of { LT_ -> False; EQ_ -> False; GT__ -> True }
+
+instance Ord3 OrigName where
+ cmp = cmpOrig
+
+instance NamedThing OrigName where -- faking it
+ getName (OrigName m n) = getName (Qual m n)
+
+instance Outputable OrigName where -- ditto
+ ppr sty (OrigName m n) = ppr sty (Qual m n)
\end{code}
%************************************************************************
data Name
= Local Unique
FAST_STRING
+ Bool -- True <=> emphasize Unique when
+ -- printing; this is just an esthetic thing...
SrcLoc
| Global Unique
- RdrName -- original name; Unqual => prelude
- Provenance -- where it came from
- ExportFlag -- is it exported?
- [RdrName] -- ordered occurrence names (usually just one);
- -- first may be *un*qual.
+ Module -- original name
+ (Either
+ FAST_STRING -- just an ordinary M.n name... or...
+ ([Either OrigName FAST_STRING]))
+ -- "dot" these bits of name together...
+ Provenance -- where it came from
+ ExportFlag -- is it exported?
+ [RdrName] -- ordered occurrence names (usually just one);
+ -- first may be *un*qual.
data Provenance
- = LocalDef SrcLoc -- locally defined; give its source location
-
- | Imported SrcLoc -- imported; give the *original* source location
- -- [SrcLoc] -- any import source location(s)
+ = LocalDef SrcLoc -- locally defined; give its source location
+
+ | Imported ExportFlag -- how it was imported
+ SrcLoc -- *original* source location
+ [SrcLoc] -- any import source location(s)
| Implicit
- | Builtin
+ | Primitive -- really and truly primitive thing (not
+ -- definable in Haskell)
+ | WiredIn Bool -- something defined in Haskell; True <=>
+ -- definition is in the module in question;
+ -- this probably comes from the -fcompiling-prelude=...
+ -- flag.
\end{code}
\begin{code}
mkLocalName = Local
-mkTopLevName u orig locn exp occs = Global u orig (LocalDef locn) exp occs
-mkImportedName u orig locn exp occs = Global u orig (Imported locn) exp occs
+mkTopLevName u (OrigName m n) locn exp occs = Global u m (Left n) (LocalDef locn) exp occs
+mkImportedName u (OrigName m n) imp locn imp_locs exp occs = Global u m (Left n) (Imported imp locn imp_locs) exp occs
-mkImplicitName :: Unique -> RdrName -> Name
-mkImplicitName u o = Global u o Implicit NotExported []
+mkImplicitName :: Unique -> OrigName -> Name
+mkImplicitName u (OrigName m n) = Global u m (Left n) Implicit NotExported []
-mkBuiltinName :: Unique -> Module -> FAST_STRING -> Name
-mkBuiltinName u m n = Global u (Unqual n) Builtin NotExported []
+mkPrimitiveName :: Unique -> OrigName -> Name
+mkPrimitiveName u (OrigName m n) = Global u m (Left n) Primitive NotExported []
+
+mkWiredInName :: Unique -> OrigName -> ExportFlag -> Name
+mkWiredInName u (OrigName m n) exp
+ = Global u m (Left n) (WiredIn from_here) exp []
+ where
+ from_here
+ = case maybe_CompilingGhcInternals of
+ Nothing -> False
+ Just mod -> mod == _UNPK_ m
+
+mkCompoundName :: Unique
+ -> Module
+ -> FAST_STRING -- indicates what kind of compound thing it is (e.g., "sdsel")
+ -> [Either OrigName FAST_STRING] -- "dot" these names together
+ -> Name -- from which we get provenance, etc....
+ -> Name -- result!
+
+mkCompoundName u m str ns (Local _ _ _ locn) -- these arise for workers...
+ = Local u str True{-emph uniq-} locn
+
+mkCompoundName u m str ns (Global _ _ _ prov exp _)
+ = Global u m (Right (Right str : ns)) prov exp []
+
+glue = glue1
+glue1 (Left (OrigName m n):ns) = m : _CONS_ '.' n : glue2 ns
+glue1 (Right n :ns) = n : glue2 ns
+glue2 [] = []
+glue2 (Left (OrigName m n):ns) = _CONS_ '.' m : _CONS_ '.' n : glue2 ns
+glue2 (Right n :ns) = _CONS_ '.' n : glue2 ns
+
+-- this ugly one is used for instance-y things
+mkCompoundName2 :: Unique
+ -> Module
+ -> FAST_STRING -- indicates what kind of compound thing it is
+ -> [Either OrigName FAST_STRING] -- "dot" these names together
+ -> Bool -- True <=> defined in this module
+ -> SrcLoc
+ -> Name -- result!
+
+mkCompoundName2 u m str ns from_here locn
+ = Global u m (Right (Right str : ns))
+ (if from_here then LocalDef locn else Imported ExportAll locn [])
+ ExportAll{-instances-}
+ []
mkFunTyConName
- = mkBuiltinName funTyConKey pRELUDE_BUILTIN SLIT("->")
+ = mkPrimitiveName funTyConKey (OrigName pRELUDE SLIT("->"))
mkTupleDataConName arity
- = mkBuiltinName (mkTupleDataConUnique arity) pRELUDE_BUILTIN (mk_tup_name arity)
+ = mkWiredInName (mkTupleDataConUnique arity) (OrigName pRELUDE (mkTupNameStr arity)) ExportAll
mkTupleTyConName arity
- = mkBuiltinName (mkTupleTyConUnique arity) pRELUDE_BUILTIN (mk_tup_name arity)
-
-mk_tup_name 0 = SLIT("()")
-mk_tup_name 1 = panic "Name.mk_tup_name: 1 ???"
-mk_tup_name 2 = SLIT("(,)") -- not strictly necessary
-mk_tup_name 3 = SLIT("(,,)") -- ditto
-mk_tup_name 4 = SLIT("(,,,)") -- ditto
-mk_tup_name n
+ = mkWiredInName (mkTupleTyConUnique arity) (OrigName pRELUDE (mkTupNameStr arity)) ExportAll
+
+mkTupNameStr 0 = SLIT("()")
+mkTupNameStr 1 = panic "Name.mkTupNameStr: 1 ???"
+mkTupNameStr 2 = _PK_ "(,)" -- not strictly necessary
+mkTupNameStr 3 = _PK_ "(,,)" -- ditto
+mkTupNameStr 4 = _PK_ "(,,,)" -- ditto
+mkTupNameStr n
= _PK_ ("(" ++ nOfThem (n-1) ',' ++ ")")
-- ToDo: what about module ???
-- ToDo: exported when compiling builtin ???
-isLocalName (Local _ _ _) = True
-isLocalName _ = False
+isLocalName (Local _ _ _ _) = True
+isLocalName _ = False
-isImplicitName (Global _ _ Implicit _ _) = True
-isImplicitName _ = False
+-- things the compiler "knows about" are in some sense
+-- "imported". When we are compiling the module where
+-- the entities are defined, we need to be able to pick
+-- them out, often in combination with isLocallyDefined.
+oddlyImportedName (Global _ _ _ Primitive _ _) = True
+oddlyImportedName (Global _ _ _ (WiredIn _) _ _) = True
+oddlyImportedName _ = False
-isBuiltinName (Global _ _ Builtin _ _) = True
-isBuiltinName _ = False
+isImplicitName (Global _ _ _ Implicit _ _) = True
+isImplicitName _ = False
\end{code}
-
-
%************************************************************************
%* *
\subsection[Name-instances]{Instance declarations}
\begin{code}
cmpName n1 n2 = c n1 n2
where
- c (Local u1 _ _) (Local u2 _ _) = cmp u1 u2
- c (Global u1 _ _ _ _) (Global u2 _ _ _ _) = cmp u1 u2
-
- c other_1 other_2 -- the tags *must* be different
- = let tag1 = tag_Name n1
- tag2 = tag_Name n2
- in
- if tag1 _LT_ tag2 then LT_ else GT_
-
- tag_Name (Local _ _ _) = (ILIT(1) :: FAST_INT)
- tag_Name (Global _ _ _ _ _) = ILIT(2)
+ c (Local u1 _ _ _) (Local u2 _ _ _) = cmp u1 u2
+ c (Local _ _ _ _) _ = LT_
+ c (Global u1 _ _ _ _ _) (Global u2 _ _ _ _ _) = cmp u1 u2
+ c (Global _ _ _ _ _ _) _ = GT_
\end{code}
\begin{code}
\end{code}
\begin{code}
-nameUnique (Local u _ _) = u
-nameUnique (Global u _ _ _ _) = u
-
-nameOrigName (Local _ n _) = (panic "NamedThing.Local.nameOrigName", n)
-nameOrigName (Global _ orig _ _ _) = rdrToOrig orig
-
-nameOccName (Local _ n _) = Unqual n
-nameOccName (Global _ orig _ _ [] ) = orig
-nameOccName (Global _ orig _ _ occs) = head occs
-
-nameExportFlag (Local _ _ _) = NotExported
-nameExportFlag (Global _ _ _ exp _) = exp
-
-nameSrcLoc (Local _ _ loc) = loc
-nameSrcLoc (Global _ _ (LocalDef loc) _ _) = loc
-nameSrcLoc (Global _ _ (Imported loc) _ _) = loc
-nameSrcLoc (Global _ _ Implicit _ _) = mkUnknownSrcLoc
-nameSrcLoc (Global _ _ Builtin _ _) = mkBuiltinSrcLoc
-
-isLocallyDefinedName (Local _ _ _) = True
-isLocallyDefinedName (Global _ _ (LocalDef _) _ _) = True
-isLocallyDefinedName (Global _ _ (Imported _) _ _) = False
-isLocallyDefinedName (Global _ _ Implicit _ _) = False
-isLocallyDefinedName (Global _ _ Builtin _ _) = False
+nameUnique (Local u _ _ _) = u
+nameUnique (Global u _ _ _ _ _) = u
+
+-- when we renumber/rename things, we need to be
+-- able to change a Name's Unique to match the cached
+-- one in the thing it's the name of. If you know what I mean.
+changeUnique (Local _ n b l) u = Local u n b l
+changeUnique (Global _ m n p e os) u = Global u m n p e os
+
+nameOrigName msg (Global _ m (Left n) _ _ _) = OrigName m n
+nameOrigName msg (Global _ m (Right n) _ _ _) = let str = _CONCAT_ (glue n) in
+ --pprTrace ("nameOrigName:"++msg) (ppPStr str) $
+ OrigName m str
+#ifdef DEBUG
+nameOrigName msg (Local _ n _ _) = panic ("nameOrigName:Local:"++msg++":"++ _UNPK_ n)
+#endif
-isPreludeDefinedName (Local _ n _) = False
-isPreludeDefinedName (Global _ orig _ _ _) = isUnqual orig
+nameOccName (Local _ n _ _) = Unqual n
+nameOccName (Global _ m (Left n) _ _ [] ) = Qual m n
+nameOccName (Global _ m (Right n) _ _ [] ) = let str = _CONCAT_ (glue n) in
+ --pprTrace "nameOccName:" (ppPStr str) $
+ Qual m str
+nameOccName (Global _ m (Left _) _ _ (o:_)) = o
+nameOccName (Global _ m (Right _) _ _ (o:_)) = panic "nameOccName:compound name"
+
+nameExportFlag (Local _ _ _ _) = NotExported
+nameExportFlag (Global _ _ _ _ exp _) = exp
+
+nameSrcLoc (Local _ _ _ loc) = loc
+nameSrcLoc (Global _ _ _ (LocalDef loc) _ _) = loc
+nameSrcLoc (Global _ _ _ (Imported _ loc _) _ _) = loc
+nameSrcLoc (Global _ _ _ Implicit _ _) = mkUnknownSrcLoc
+nameSrcLoc (Global _ _ _ Primitive _ _) = mkBuiltinSrcLoc
+nameSrcLoc (Global _ _ _ (WiredIn _) _ _) = mkBuiltinSrcLoc
+
+nameImpLocs (Global _ _ _ (Imported _ _ locs) _ _) = locs
+nameImpLocs _ = []
+
+nameImportFlag (Local _ _ _ _) = NotExported
+nameImportFlag (Global _ _ _ (LocalDef _) _ _) = ExportAll
+nameImportFlag (Global _ _ _ (Imported exp _ _) _ _) = exp
+nameImportFlag (Global _ _ _ Implicit _ _) = ExportAll
+nameImportFlag (Global _ _ _ Primitive _ _) = ExportAll
+nameImportFlag (Global _ _ _ (WiredIn _) _ _) = ExportAll
+
+isLocallyDefinedName (Local _ _ _ _) = True
+isLocallyDefinedName (Global _ _ _ (LocalDef _) _ _) = True
+isLocallyDefinedName (Global _ _ _ (Imported _ _ _) _ _) = False
+isLocallyDefinedName (Global _ _ _ Implicit _ _) = False
+isLocallyDefinedName (Global _ _ _ Primitive _ _) = False
+isLocallyDefinedName (Global _ _ _ (WiredIn from_here) _ _) = from_here
+
+isWiredInName (Global _ _ _ (WiredIn _) _ _) = True
+isWiredInName _ = False
\end{code}
\begin{code}
instance Outputable Name where
-#ifdef DEBUG
- ppr PprDebug (Local u n _) = pp_debug u (ppPStr n)
- ppr PprDebug (Global u o _ _ _) = pp_debug u (ppr PprDebug o)
-#endif
- ppr sty (Local u n _) = pp_name sty n
- ppr PprForUser (Global u o _ _ [] ) = ppr PprForUser o
- ppr PprForUser (Global u o _ _ occs) = ppr PprForUser (head occs)
- ppr PprShowAll (Global u o prov exp occs) = pp_all o prov exp occs
- ppr sty (Global u o _ _ _) = ppr sty o
+ ppr sty (Local u n emph_uniq _)
+ | codeStyle sty = pprUnique u
+ | emph_uniq = ppBesides [pprUnique u, ppStr "{-", ppPStr n, ppStr "-}"]
+ | otherwise = ppBesides [ppPStr n, ppStr "{-", pprUnique u, ppStr "-}"]
-pp_debug uniq thing
- = ppBesides [thing, ppStr "{-", pprUnique uniq, ppStr "-}" ]
+ ppr PprDebug (Global u m (Left n) _ _ _) = ppBesides [pp_mod PprDebug m, pp_name PprDebug n, ppStr "{-", pprUnique u, ppStr "-}"]
+ ppr PprDebug (Global u m (Right n) _ _ _) = ppBesides [pp_mod PprDebug m, pp_name2 PprDebug n, ppStr "{-", pprUnique u, ppStr "-}"]
+
+ ppr PprForUser (Global u m (Left n) _ _ [] ) = ppBeside (pp_mod PprForUser m) (pp_name PprForUser n)
+ ppr PprForUser (Global u m (Right n) _ _ [] ) = ppBeside (pp_mod PprForUser m) (pp_name2 PprForUser n)
+ ppr PprForUser (Global u m (Left _) _ _ occs) = ppr PprForUser (head occs)
+
+-- LATER:?
+-- ppr PprShowAll (Global u m n prov exp occs) = pp_all (Qual m n) prov exp occs
+
+ ppr sty (Global u m (Left n) _ _ _) = ppBeside (pp_mod sty m) (pp_name sty n)
+ ppr sty (Global u m (Right n) _ _ _) = ppBeside (pp_mod sty m) (pp_name2 sty n)
pp_all orig prov exp occs
= ppBesides [ppr PprShowAll orig, ppr PprShowAll occs, pp_prov prov, pp_exp exp]
pp_exp ExportAll = ppPStr SLIT("/EXP(..)")
pp_exp ExportAbs = ppPStr SLIT("/EXP")
-pp_prov Implicit = ppPStr SLIT("/IMPLICIT")
-pp_prov Builtin = ppPStr SLIT("/BUILTIN")
-pp_prov _ = ppNil
+pp_prov Implicit = ppPStr SLIT("/IMPLICIT")
+pp_prov Primitive = ppPStr SLIT("/PRIMITIVE")
+pp_prov (WiredIn _) = ppPStr SLIT("/WIREDIN")
+pp_prov _ = ppNil
\end{code}
%************************************************************************
\begin{code}
data ExportFlag
= ExportAll -- export with all constructors/methods
- | ExportAbs -- export abstractly
+ | ExportAbs -- export abstractly (tycons/classes only)
| NotExported
-isExported a
- = case (getExportFlag a) of
- NotExported -> False
- _ -> True
+exportFlagOn NotExported = False
+exportFlagOn _ = True
-#ifdef USE_ATTACK_PRAGMAS
-{-# SPECIALIZE isExported :: Class -> Bool #-}
-{-# SPECIALIZE isExported :: Id -> Bool #-}
-{-# SPECIALIZE isExported :: TyCon -> Bool #-}
-#endif
+-- Be very wary about using "isExported"; perhaps you
+-- really mean "externallyVisibleId"?
+
+isExported a = exportFlagOn (getExportFlag a)
\end{code}
%************************************************************************
\end{code}
\begin{code}
-getOrigName :: NamedThing a => a -> (Module, FAST_STRING)
+origName :: NamedThing a => String -> a -> OrigName
+moduleOf :: OrigName -> Module
+nameOf :: OrigName -> FAST_STRING
+
getOccName :: NamedThing a => a -> RdrName
+getLocalName :: NamedThing a => a -> FAST_STRING
getExportFlag :: NamedThing a => a -> ExportFlag
getSrcLoc :: NamedThing a => a -> SrcLoc
+getImpLocs :: NamedThing a => a -> [SrcLoc]
isLocallyDefined :: NamedThing a => a -> Bool
-isPreludeDefined :: NamedThing a => a -> Bool
-getOrigName = nameOrigName . getName
+origName str n = nameOrigName str (getName n)
+
+moduleOf (OrigName m n) = m
+nameOf (OrigName m n) = n
+
+getLocalName n
+ = case (getName n) of
+ Local _ n _ _ -> n
+ Global _ m (Left n) _ _ _ -> n
+ Global _ m (Right n) _ _ _ -> let str = _CONCAT_ (glue n) in
+ -- pprTrace "getLocalName:" (ppPStr str) $
+ str
+
getOccName = nameOccName . getName
getExportFlag = nameExportFlag . getName
getSrcLoc = nameSrcLoc . getName
+getImpLocs = nameImpLocs . getName
isLocallyDefined = isLocallyDefinedName . getName
-isPreludeDefined = isPreludeDefinedName . getName
-
-getLocalName :: (NamedThing a) => a -> FAST_STRING
-getLocalName = snd . getOrigName
-
-getOrigNameRdr :: (NamedThing a) => a -> RdrName
-getOrigNameRdr n | isPreludeDefined n = Unqual str
- | otherwise = Qual mod str
- where
- (mod,str) = getOrigName n
\end{code}
-@ltLexical@ is used for sorting things into lexicographical order, so
-as to canonicalize interfaces. [Regular @(<)@ should be used for fast
-comparison.]
-
\begin{code}
-a `ltLexical` b
- = BIND isLocallyDefined a _TO_ a_local ->
- BIND isLocallyDefined b _TO_ b_local ->
- BIND getOrigName a _TO_ (a_mod, a_name) ->
- BIND getOrigName b _TO_ (b_mod, b_name) ->
- if a_local || b_local then
- a_name < b_name -- can't compare module names
- else
- case _CMP_STRING_ a_mod b_mod of
- LT_ -> True
- EQ_ -> a_name < b_name
- GT__ -> False
- BEND BEND BEND BEND
-
-#ifdef USE_ATTACK_PRAGMAS
-{-# SPECIALIZE ltLexical :: Class -> Class -> Bool #-}
-{-# SPECIALIZE ltLexical :: Id -> Id -> Bool #-}
-{-# SPECIALIZE ltLexical :: TyCon -> TyCon -> Bool #-}
-#endif
+{-# SPECIALIZE getLocalName
+ :: Name -> FAST_STRING
+ , OrigName -> FAST_STRING
+ , RdrName -> FAST_STRING
+ , RnName -> FAST_STRING
+ #-}
+{-# SPECIALIZE isLocallyDefined
+ :: Name -> Bool
+ , RnName -> Bool
+ #-}
+{-# SPECIALIZE origName
+ :: String -> Name -> OrigName
+ , String -> RdrName -> OrigName
+ , String -> RnName -> OrigName
+ #-}
\end{code}
These functions test strings to see if they fit the lexical categories
-defined in the Haskell report. Normally applied as in e.g. @isConop
-(getLocalName foo)@
+defined in the Haskell report. Normally applied as in e.g. @isCon
+(getLocalName foo)@.
\begin{code}
-isConop, isAconop, isAvarid, isAvarop :: FAST_STRING -> Bool
+isLexCon, isLexVar, isLexId, isLexSym, isLexConId, isLexConSym,
+ isLexVarId, isLexVarSym, isLexSpecialSym :: FAST_STRING -> Bool
+
+isLexCon cs = isLexConId cs || isLexConSym cs
+isLexVar cs = isLexVarId cs || isLexVarSym cs
+
+isLexId cs = isLexConId cs || isLexVarId cs
+isLexSym cs = isLexConSym cs || isLexVarSym cs
-isConop cs
+-------------
+
+isLexConId cs
| _NULL_ cs = False
- | c == '_' = isConop (_TAIL_ cs) -- allow for leading _'s
- | otherwise = isUpper c || c == ':'
- || c == '[' || c == '(' -- [] () and (,,) come is as Conop strings !!!
- || isUpperISO c
+ | otherwise = isUpper c || isUpperISO c
where
c = _HEAD_ cs
-isAconop cs
+isLexVarId cs
+ | _NULL_ cs = False
+ | otherwise = isLower c || isLowerISO c
+ where
+ c = _HEAD_ cs
+
+isLexConSym cs
| _NULL_ cs = False
- | otherwise = c == ':'
+ | otherwise = c == ':'
+-- || c == '(' -- (), (,), (,,), ...
+ || cs == SLIT("->")
+-- || cs == SLIT("[]")
where
c = _HEAD_ cs
-isAvarid cs
- | _NULL_ cs = False
- | c == '_' = isAvarid (_TAIL_ cs) -- allow for leading _'s
- | isLower c = True
- | isLowerISO c = True
- | otherwise = False
+isLexVarSym cs
+ | _NULL_ cs = False
+ | otherwise = isSymbolASCII c
+ || isSymbolISO c
+-- || c == '(' -- (), (,), (,,), ...
+-- || cs == SLIT("[]")
where
c = _HEAD_ cs
-isAvarop cs
- | _NULL_ cs = False
- | isLower c = False
- | isUpper c = False
- | c `elem` "!#$%&*+./<=>?@\\^|~-" = True
- | isSymbolISO c = True
- | otherwise = False
+isLexSpecialSym cs
+ | _NULL_ cs = False
+ | otherwise = c == '(' -- (), (,), (,,), ...
+ || cs == SLIT("[]")
where
c = _HEAD_ cs
-isSymbolISO c = ord c `elem` (0xd7 : 0xf7 : [0xa1 .. 0xbf])
-isUpperISO c = 0xc0 <= oc && oc <= 0xde && oc /= 0xd7 where oc = ord c
-isLowerISO c = 0xdf <= oc && oc <= 0xff && oc /= 0xf7 where oc = ord c
+-------------
+isSymbolASCII c = c `elem` "!#$%&*+./<=>?@\\^|~-"
+isSymbolISO c = ord c `elem` (0xd7 : 0xf7 : [0xa1 .. 0xbf])
+isUpperISO c = 0xc0 <= oc && oc <= 0xde && oc /= 0xd7 where oc = ord c
+isLowerISO c = 0xdf <= oc && oc <= 0xff && oc /= 0xf7 where oc = ord c
\end{code}
And one ``higher-level'' interface to those:
\begin{code}
-isOpLexeme :: NamedThing a => a -> Bool
+isSymLexeme :: NamedThing a => a -> Bool
-isOpLexeme v
- = let str = snd (getOrigName v) in isAvarop str || isAconop str
+isSymLexeme v
+ = let str = getLocalName v in isLexSym str
-- print `vars`, (op) correctly
-pprOp, pprNonOp :: (NamedThing name, Outputable name) => PprStyle -> name -> Pretty
+pprSym, pprNonSym :: (NamedThing name, Outputable name) => PprStyle -> name -> Pretty
-pprOp sty var
- = if isOpLexeme var
+pprSym sty var
+ = let
+ str = getLocalName var
+ in
+ if isLexSym str && not (isLexSpecialSym str)
then ppr sty var
else ppBesides [ppChar '`', ppr sty var, ppChar '`']
-pprNonOp sty var
- = if isOpLexeme var
- then ppBesides [ppLparen, ppr sty var, ppRparen]
+pprNonSym sty var
+ = if isSymLexeme var
+ then ppParens (ppr sty var)
else ppr sty var
-
-#ifdef USE_ATTACK_PRAGMAS
-{-# SPECIALIZE isOpLexeme :: Id -> Bool #-}
-{-# SPECIALIZE pprNonOp :: PprStyle -> Id -> Pretty #-}
-{-# SPECIALIZE pprNonOp :: PprStyle -> TyCon -> Pretty #-}
-{-# SPECIALIZE pprOp :: PprStyle -> Id -> Pretty #-}
-#endif
\end{code}
projects / ghc-hetmet.git / blobdiff