getTypeString,
typeMaybeString,
specMaybeTysSuffix,
+ getTyDescription,
GenClass,
GenClassOp, pprGenClassOp,
- addTyVar, nmbrTyVar,
+ addTyVar{-ToDo:don't export-}, nmbrTyVar,
addUVar, nmbrUsage,
nmbrType, nmbrTyCon, nmbrClass
) where
-import Ubiq
-import IdLoop -- for paranoia checking
-import TyLoop -- for paranoia checking
+IMP_Ubiq()
+IMPORT_DELOOPER(IdLoop)
+--IMPORT_DELOOPER(TyLoop) -- for paranoia checking
-- friends:
-- (PprType can see all the representations it's trying to print)
splitForAllTy, splitSigmaTy, splitRhoTy, splitAppTy )
import TyVar ( GenTyVar(..) )
import TyCon ( TyCon(..), NewOrData )
-import Class ( Class(..), GenClass(..),
- ClassOp(..), GenClassOp(..) )
+import Class ( SYN_IE(Class), GenClass(..),
+ SYN_IE(ClassOp), GenClassOp(..) )
import Kind ( Kind(..) )
-import Usage ( GenUsage(..) )
+import Usage ( pprUVar, GenUsage(..), SYN_IE(Usage), SYN_IE(UVar) )
-- others:
import CStrings ( identToC )
import CmdLineOpts ( opt_OmitInterfacePragmas )
import Maybes ( maybeToBool )
-import Name ( isLexVarSym, isLexSpecialSym, isPreludeDefined, origName, moduleOf,
- nameOrigName, nameOf, Name{-instance Outputable-}
+import Name ( isLexVarSym, isLexSpecialSym, origName, moduleOf,
+ getLocalName, Name{-instance Outputable-}
)
import Outputable ( ifPprShowAll, interpp'SP )
import PprEnv
import PprStyle ( PprStyle(..), codeStyle, showUserishTypes )
import Pretty
-import TysWiredIn ( listTyCon )
-import UniqFM ( addToUFM_Directly, lookupUFM_Directly, ufmToList{-ToDo:rm-} )
-import Unique ( pprUnique10, pprUnique, incrUnique )
-import Usage ( UVar(..), pprUVar )
+import UniqFM ( addToUFM_Directly, lookupUFM_Directly{-, ufmToList ToDo:rm-} )
+import Unique ( pprUnique10, pprUnique, incrUnique, listTyConKey )
import Util
\end{code}
where
(theta, body_ty) = splitRhoTy ty
- ppr_theta [ct] = ppr_dict sty env tOP_PREC ct
- ppr_theta cts = ppParens (ppInterleave ppComma (map (ppr_dict sty env tOP_PREC) cts))
+ ppr_theta = case sty of { PprInterface -> ppr_theta_2 ; _ -> ppr_theta_1 }
+
+ ppr_theta_1 [ct] = ppr_dict sty env tOP_PREC ct
+ ppr_theta_1 cts = ppParens (ppInterleave ppComma (map (ppr_dict sty env tOP_PREC) cts))
+
+ ppr_theta_2 cts = ppBesides [ppStr "{{", ppInterleave ppComma (map (ppr_dict sty env tOP_PREC) cts), ppStr "}}"]
ppr_ty sty env ctxt_prec (FunTy ty1 ty2 usage)
-- We fiddle the precedences passed to left/right branches,
where
(fun_ty, arg_tys) = splitAppTy ty
-ppr_ty PprInterface env ctxt_prec (SynTy tycon tys expansion)
- -- always expand types in an interface
- = ppr_ty PprInterface env ctxt_prec expansion
-
ppr_ty sty env ctxt_prec (SynTy tycon tys expansion)
+ | codeStyle sty
+ -- always expand types that squeak into C-variable names
+ = ppr_ty sty env ctxt_prec expansion
+
+ | otherwise
= ppBeside
(ppr_app sty env ctxt_prec (ppr sty tycon) tys)
(ifPprShowAll sty (ppCat [ppStr " {- expansion:",
ppr_ty sty env ctxt_prec (DictTy clas ty usage)
= ppr_dict sty env ctxt_prec (clas, ty)
-
-- Some help functions
ppr_corner sty env ctxt_prec (TyConTy FunTyCon usage) arg_tys
| length arg_tys == 2
(ty1:ty2:_) = arg_tys
ppr_corner sty env ctxt_prec (TyConTy (TupleTyCon _ _ a) usage) arg_tys
+ | not (codeStyle sty) -- no magic in that case
= --ASSERT(length arg_tys == a)
(if (length arg_tys /= a) then pprTrace "ppr_corner:" (ppCat [ppInt a, ppInterleave ppComma (map (pprGenType PprDebug) arg_tys)]) else id) $
ppBesides [ppLparen, arg_tys_w_commas, ppRparen]
arg_tys_w_commas = ppIntersperse pp'SP (map (ppr_ty sty env tOP_PREC) arg_tys)
ppr_corner sty env ctxt_prec (TyConTy tycon usage) arg_tys
- | tycon == listTyCon
+ | not (codeStyle sty) && uniqueOf tycon == listTyConKey
= ASSERT(length arg_tys == 1)
ppBesides [ppLbrack, ppr_ty sty env tOP_PREC ty1, ppRbrack]
where
ppr_corner sty env ctxt_prec (TyVarTy tyvar) arg_tys
= ppr_app sty env ctxt_prec (ppr_tyvar env tyvar) arg_tys
-
+
ppr_app sty env ctxt_prec pp_fun []
= pp_fun
\begin{code}
pprGenTyVar sty (TyVar uniq kind name usage)
+ | codeStyle sty
+ = pp_u
+ | otherwise
= case sty of
PprInterface -> pp_u
_ -> ppBesides [pp_name, ppStr "{-", pp_u, ppStr "-}"]
where
pp_u = pprUnique uniq
pp_name = case name of
- Just n -> ppPStr (nameOf (nameOrigName n))
+ Just n -> ppPStr (getLocalName n)
Nothing -> case kind of
TypeKind -> ppChar 'o'
BoxedTypeKind -> ppChar 't'
showTyCon :: PprStyle -> TyCon -> String
showTyCon sty tycon = ppShow 80 (pprTyCon sty tycon)
+maybe_code sty x
+ = if codeStyle sty
+ then ppBesides (ppPStr SLIT("Prelude_") : map mangle x)
+ else ppStr x
+ where
+ -- ToDo: really should be in CStrings
+ mangle '(' = ppPStr SLIT("Z40") -- decimal ascii #s
+ mangle ')' = ppPStr SLIT("Z41")
+ mangle '[' = ppPStr SLIT("Z91")
+ mangle ']' = ppPStr SLIT("Z93")
+ mangle ',' = ppPStr SLIT("Z44")
+ mangle '-' = ppPStr SLIT("Zm")
+ mangle '>' = ppPStr SLIT("Zg")
+
pprTyCon :: PprStyle -> TyCon -> Pretty
-pprTyCon sty FunTyCon = ppStr "(->)"
-pprTyCon sty (TupleTyCon _ name _) = ppr sty name
-pprTyCon sty (PrimTyCon uniq name kind) = ppr sty name
+pprTyCon sty (PrimTyCon _ name _ _) = ppr sty name
+
+pprTyCon sty FunTyCon = maybe_code sty "->"
+pprTyCon sty (TupleTyCon _ _ arity) = case arity of
+ 0 -> maybe_code sty "()"
+ 2 -> maybe_code sty "(,)"
+ 3 -> maybe_code sty "(,,)"
+ 4 -> maybe_code sty "(,,,)"
+ 5 -> maybe_code sty "(,,,,)"
+ n -> maybe_code sty ( "(" ++ nOfThem (n-1) ',' ++ ")" )
pprTyCon sty tycon@(DataTyCon uniq name kind tyvars ctxt cons derivings nd)
+ | uniq == listTyConKey
+ = maybe_code sty "[]"
+ | otherwise
= ppr sty name
pprTyCon sty (SpecTyCon tc ty_maybes)
= ppBeside (pprTyCon sty tc)
- (if (codeStyle sty)
- then identToC tys_stuff
- else ppPStr tys_stuff)
+ ((if (codeStyle sty) then identToC else ppPStr) tys_stuff)
where
tys_stuff = specMaybeTysSuffix ty_maybes
= case sty of
PprForC -> pp_C
PprForAsm _ _ -> pp_C
- PprInterface -> ppCat [pp_user, ppPStr SLIT("::"), ppr sty ty]
- PprShowAll -> ppCat [pp_user, ppPStr SLIT("::"), ppr sty ty]
+ PprInterface -> pp_sigd
+ PprShowAll -> pp_sigd
_ -> pp_user
where
pp_C = ppPStr op_name
pp_user = if isLexVarSym op_name && not (isLexSpecialSym op_name)
then ppParens pp_C
else pp_C
+ pp_sigd = ppCat [pp_user, ppPStr SLIT("::"), ppr sty ty]
\end{code}
\begin{code}
-- Shallowly magical; converts a type into something
-- vaguely close to what can be used in C identifier.
- -- Don't forget to include the module name!!!
-getTypeString :: Type -> [FAST_STRING]
-getTypeString ty
- | is_prelude_ty = [string]
- | otherwise = [mod, string]
- where
- string = _PK_ (tidy (ppShow 1000 ppr_t))
- ppr_t = pprGenType PprForC ty
- -- PprForC expands type synonyms as it goes
+ -- Produces things like what we have in mkCompoundName,
+ -- which can be "dot"ted together...
- (is_prelude_ty, mod)
- = case (maybeAppTyCon ty) of
- Nothing -> true_bottom
- Just (tycon,_) ->
- if isPreludeDefined tycon
- then true_bottom
- else (False, moduleOf (origName tycon))
+getTypeString :: Type -> [Either OrigName FAST_STRING]
- true_bottom = (True, panic "getTypeString")
+getTypeString ty
+ = case (splitAppTy ty) of { (tc, args) ->
+ do_tc tc : map do_arg_ty args }
+ where
+ do_tc (TyConTy tc _) = Left (origName "do_tc" tc)
+ do_tc (SynTy _ _ ty) = do_tc ty
+ do_tc other = --pprTrace "getTypeString:do_tc:" (pprType PprDebug other) $
+ Right (_PK_ (ppShow 1000 (pprType PprForC other)))
+
+ do_arg_ty (TyConTy tc _) = Left (origName "do_arg_ty" tc)
+ do_arg_ty (TyVarTy tv) = Right (_PK_ (ppShow 80 (ppr PprForC tv)))
+ do_arg_ty (SynTy _ _ ty) = do_arg_ty ty
+ do_arg_ty other = --pprTrace "getTypeString:do_arg_ty:" (pprType PprDebug other) $
+ Right (_PK_ (ppShow 1000 (pprType PprForC other)))
+
+ -- PprForC expands type synonyms as it goes;
+ -- it also forces consistent naming of tycons
+ -- (e.g., can't have both "(,) a b" and "(a,b)":
+ -- must be consistent!
--------------------------------------------------
-- tidy: very ad-hoc
no_leading_sps (' ':xs) = no_leading_sps xs
no_leading_sps other = other
-typeMaybeString :: Maybe Type -> [FAST_STRING]
-typeMaybeString Nothing = [SLIT("!")]
+typeMaybeString :: Maybe Type -> [Either OrigName FAST_STRING]
+typeMaybeString Nothing = [Right SLIT("!")]
typeMaybeString (Just t) = getTypeString t
specMaybeTysSuffix :: [Maybe Type] -> FAST_STRING
specMaybeTysSuffix ty_maybes
+ = panic "PprType.specMaybeTysSuffix"
+{- LATER:
= let
ty_strs = concat (map typeMaybeString ty_maybes)
dotted_tys = [ _CONS_ '.' str | str <- ty_strs ]
in
_CONCAT_ dotted_tys
+-}
+\end{code}
+
+Grab a name for the type. This is used to determine the type
+description for profiling.
+\begin{code}
+getTyDescription :: Type -> String
+
+getTyDescription ty
+ = case (splitSigmaTy ty) of { (_, _, tau_ty) ->
+ case tau_ty of
+ TyVarTy _ -> "*"
+ AppTy fun _ -> getTyDescription fun
+ FunTy _ res _ -> '-' : '>' : fun_result res
+ TyConTy tycon _ -> _UNPK_ (getLocalName tycon)
+ SynTy tycon _ _ -> _UNPK_ (getLocalName tycon)
+ DictTy _ _ _ -> "dict"
+ ForAllTy _ ty -> getTyDescription ty
+ _ -> pprPanic "getTyDescription: other" (pprType PprDebug tau_ty)
+ }
+ where
+ fun_result (FunTy _ res _) = '>' : fun_result res
+ fun_result other = getTyDescription other
\end{code}
ToDo: possibly move:
addTyVar tv@(TyVar u k maybe_name use) nenv@(NmbrEnv ui ut uu idenv tvenv uvenv)
= --pprTrace "addTyVar:" (ppCat [pprUnique u, pprUnique ut]) $
case (lookupUFM_Directly tvenv u) of
- Just xx -> pprTrace "addTyVar: already in map!" (ppr PprDebug tv) $
+ Just xx -> -- pprTrace "addTyVar: already in map!" (ppr PprDebug tv) $
+ -- (It gets triggered when we do a datatype: first we
+ -- "addTyVar" the tyvars for the datatype as a whole;
+ -- we will subsequently "addId" the data cons, including
+ -- the type for each of them -- each of which includes
+ -- _forall_ ...tvs..., which we will addTyVar.
+ -- Harmless, if that's all that happens....
(nenv, xx)
Nothing ->
let
= case (lookupUFM_Directly tvenv u) of
Just xx -> (nenv, xx)
Nothing ->
- pprTrace "nmbrTyVar: lookup failed:" (ppCat (ppr PprDebug u : [ppCat [ppr PprDebug x, ppStr "=>", ppr PprDebug tv] | (x,tv) <- ufmToList tvenv])) $
+ --pprTrace "nmbrTyVar: lookup failed:" (ppCat (ppr PprDebug u : [ppCat [ppr PprDebug x, ppStr "=>", ppr PprDebug tv] | (x,tv) <- ufmToList tvenv])) $
(nenv, tv)
\end{code}
nmbrTyCon : only called from ``top-level'', if you know what I mean.
\begin{code}
-nmbrTyCon tc@FunTyCon = returnNmbr tc
-nmbrTyCon tc@(TupleTyCon _ _ _) = returnNmbr tc
-nmbrTyCon tc@(PrimTyCon _ _ _) = returnNmbr tc
+nmbrTyCon tc@FunTyCon = returnNmbr tc
+nmbrTyCon tc@(TupleTyCon _ _ _) = returnNmbr tc
+nmbrTyCon tc@(PrimTyCon _ _ _ _) = returnNmbr tc
nmbrTyCon (DataTyCon u n k tvs theta cons clss nod)
= --pprTrace "nmbrDataTyCon:" (ppCat (map (ppr PprDebug) tvs)) $
addUVar u nenv@(NmbrEnv ui ut uu idenv tvenv uvenv)
= case (lookupUFM_Directly uvenv u) of
- Just xx -> _trace "addUVar: already in map!" $
+ Just xx -> trace "addUVar: already in map!" $
(nenv, xx)
Nothing ->
let
= case (lookupUFM_Directly uvenv u) of
Just xx -> (nenv, xx)
Nothing ->
- _trace "nmbrUVar: lookup failed" $
+ trace "nmbrUVar: lookup failed" $
(nenv, u)
\end{code}
projects / ghc-hetmet.git / blobdiff