-{-# OPTIONS_GHC -fno-warn-unused-binds #-}
module CoqPass ( coqPassCoreToString, coqPassCoreToCore )
where
+import qualified Unique
+import qualified UniqSupply
import qualified MkCore
import qualified TysWiredIn
import qualified TysPrim
import qualified Outputable
import qualified PrelNames
+import qualified OccName
import qualified Name
import qualified Literal
import qualified Type
import qualified CoreUtils
import qualified Class
import qualified Data.Char
+import qualified Data.List
+import qualified Data.Ord
import qualified Data.Typeable
import Data.Bits ((.&.), shiftL, (.|.))
-import Prelude ( (++), (+), (==), Show, show, Char, (.) )
+import Prelude ( (++), (+), (==), Show, show, Char, (.), ($) )
import qualified Prelude
+import qualified Debug.Trace
import qualified GHC.Base
+import qualified System.IO
+import qualified System.IO.Unsafe
--- used for extracting strings
+{- -- used for extracting strings WITHOUT the patch for Coq
bin2ascii =
(\ b0 b1 b2 b3 b4 b5 b6 b7 ->
let f b i = if b then 1 `shiftL` i else 0
in Data.Char.chr (f b0 0 .|. f b1 1 .|. f b2 2 .|. f b3 3 .|. f b4 4 .|. f b5 5 .|. f b6 6 .|. f b7 7))
---bin2ascii' =
--- (\ f c -> let n = Char.code c in let h i = (n .&. (1 `shiftL` i)) /= 0 in f (h 0) (h 1) (h 2) (h 3) (h 4) (h 5) (h 6) (h 7))
---shiftAscii =
--- \ b c -> Data.Char.chr (((Char.code c) `shiftL` 1) .&. 255 .|. if b then 1 else 0)
-
--- crude way of casting Coq "error monad" into Haskell exceptions
-errOrFail :: OrError a -> a
-errOrFail (OK x) = x
-errOrFail (Error s) = Prelude.error s
+-}
getTyConTyVars :: TyCon.TyCon -> [Var.TyVar]
-getTyConTyVars tc = if TyCon.isFunTyCon tc then [] else if TyCon.isPrimTyCon tc then [] else TyCon.tyConTyVars tc
+getTyConTyVars tc =
+ if TyCon.isFunTyCon tc
+ then []
+ else if TyCon.isPrimTyCon tc
+ then []
+ else TyCon.tyConTyVars tc
+
+cmpAlts :: (CoreSyn.AltCon,[Var.Var],CoreSyn.Expr Var.Var) -> (CoreSyn.AltCon,[Var.Var],CoreSyn.Expr Var.Var) -> Data.Ord.Ordering
+cmpAlts (CoreSyn.DEFAULT,_,_) _ = Data.Ord.LT
+cmpAlts _ (CoreSyn.DEFAULT,_,_) = Data.Ord.GT
+cmpAlts (a1,_,_) (a2,_,_) = Data.Ord.compare a2 a1
-sortAlts :: [(CoreSyn.AltCon,a,b)] -> [(CoreSyn.AltCon,a,b)]
-sortAlts x = x -- FIXME
+sortAlts :: [(CoreSyn.AltCon,[Var.Var],CoreSyn.Expr Var.Var)] -> [(CoreSyn.AltCon,[Var.Var],CoreSyn.Expr Var.Var)]
+sortAlts x = Data.List.sortBy (\a b -> if a `CoreSyn.ltAlt` b then Data.Ord.LT else Data.Ord.GT) x
-- to do: this could be moved into Coq
coreVarToWeakVar :: Var.Var -> WeakVar
coreVarToWeakVar v | Id.isId v = WExprVar (WeakExprVar v (errOrFail (coreTypeToWeakType (Var.varType v))))
+ where
+ errOrFail (OK x) = x
+ errOrFail (Error s) = Prelude.error s
coreVarToWeakVar v | Var.isTyVar v = WTypeVar (WeakTypeVar v (coreKindToKind (Var.varType v)))
coreVarToWeakVar v | Var.isCoVar v = WCoerVar (WeakCoerVar v (Prelude.error "FIXME")
(Prelude.error "FIXME") (Prelude.error "FIXME"))
Prelude.error "Var.Var that is neither an expression variable, type variable, nor coercion variable!"
tyConOrTyFun :: TyCon.TyCon -> Prelude.Either TyCon.TyCon TyCon.TyCon
---FIXME: go back to this
---tyConOrTyFun n = if TyCon.isFamInstTyCon n then Prelude.Left n else Prelude.Right n
-tyConOrTyFun n = if TyCon.isFamInstTyCon n then Prelude.Left n else Prelude.Left n
-
-tyFunResultKind :: TyCon.TyCon -> Kind
-tyFunResultKind tc = coreKindToKind (TyCon.tyConKind tc)
+tyConOrTyFun n =
+ if n == TysPrim.statePrimTyCon -- special-purpose hack treat State# as a type family since it has kind *->* but no tyvars
+ then Prelude.Right n
+ else if TyCon.isFamInstTyCon n
+ then Prelude.Right n
+ else Prelude.Left n
nat2int :: Nat -> Prelude.Int
nat2int O = 0
-- only needs to sanitize characters which might appear in Haskell identifiers
sanitizeForLatex :: Prelude.String -> Prelude.String
-sanitizeForLatex [] = []
+sanitizeForLatex [] = []
sanitizeForLatex ('_':x) = "\\_"++(sanitizeForLatex x)
sanitizeForLatex ('$':x) = "\\$"++(sanitizeForLatex x)
sanitizeForLatex ('#':x) = "\\#"++(sanitizeForLatex x)
-sanitizeForLatex (c:x) = c:(sanitizeForLatex x)
+sanitizeForLatex (c:x) = c:(sanitizeForLatex x)
+
+kindToCoreKind :: Kind -> TypeRep.Kind
+kindToCoreKind KindStar = TypeRep.liftedTypeKind
+kindToCoreKind (KindArrow k1 k2) = Coercion.mkArrowKind (kindToCoreKind k1) (kindToCoreKind k2)
+kindToCoreKind _ = Prelude.error "kindToCoreKind does not know how to handle that"
coreKindToKind :: TypeRep.Kind -> Kind
coreKindToKind k =
case Coercion.splitKindFunTy_maybe k of
- Prelude.Just (k1,k2) -> KindTypeFunction (coreKindToKind k1) (coreKindToKind k2)
+ Prelude.Just (k1,k2) -> KindArrow (coreKindToKind k1) (coreKindToKind k2)
Prelude.Nothing ->
- if (Coercion.isLiftedTypeKind k) then KindType
- else if (Coercion.isUnliftedTypeKind k) then KindUnliftedType
- else if (Coercion.isOpenTypeKind k) then KindOpenType
- else if (Coercion.isArgTypeKind k) then KindArgType
- else if (Coercion.isUbxTupleKind k) then KindUnboxedTuple
+ if (Coercion.isLiftedTypeKind k) then KindStar
+ else if (Coercion.isUnliftedTypeKind k) then KindStar
+ else if (Coercion.isArgTypeKind k) then KindStar
+ else if (Coercion.isUbxTupleKind k) then KindStar
+ else if (Coercion.isOpenTypeKind k) then KindStar
+-- else if (Coercion.isUnliftedTypeKind k) then KindUnliftedType
+-- else if (Coercion.isOpenTypeKind k) then KindOpenType
+-- else if (Coercion.isArgTypeKind k) then KindArgType
+-- else if (Coercion.isUbxTupleKind k) then KindUnboxedTuple
else if (Coercion.isTySuperKind k) then Prelude.error "coreKindToKind got the kind-of-the-kind-of-types"
else if (Coercion.isCoSuperKind k) then Prelude.error "coreKindToKind got the kind-of-the-kind-of-coercions"
else Prelude.error ((Prelude.++) "coreKindToKind got an unknown kind: "
outputableToString :: Outputable.Outputable a => a -> Prelude.String
outputableToString = (\x -> Outputable.showSDoc (Outputable.ppr x))
--- TO DO: I think we can remove this now
-checkTypeEquality :: Type.Type -> Type.Type -> Prelude.Bool
-checkTypeEquality t1 t2 = Type.tcEqType (Type.expandTypeSynonyms t1) (Type.expandTypeSynonyms t2)
-
---showType t = outputableToString (Type.expandTypeSynonyms t)
-showType t = outputableToString (coreViewDeep t)
+-- I'm leaving this here (commented out) in case I ever need it again)
+--checkTypeEquality :: Type.Type -> Type.Type -> Prelude.Bool
+--checkTypeEquality t1 t2 = Type.tcEqType (Type.expandTypeSynonyms t1) (Type.expandTypeSynonyms t2)
coreViewDeep :: Type.Type -> Type.Type
coreViewDeep t =
| WCoLeft c => Prelude_error "FIXME WCoLeft"
| WCoRight c => Prelude_error "FIXME WCoRight"
| WCoUnsafe t1 t2 => (t1,t2)
--}
\ No newline at end of file
+-}
+
+
+--trace = Debug.Trace.trace
+--trace msg x = x
+trace msg x = System.IO.Unsafe.unsafePerformIO $ Prelude.return x
+{-
+trace s x = x
+trace msg x = System.IO.Unsafe.unsafePerformIO $
+ (Prelude.>>=) (System.IO.hPutStrLn System.IO.stdout msg) (\_ -> Prelude.return x)
+trace msg x = System.IO.Unsafe.unsafePerformIO $
+ (Prelude.>>=) (System.IO.hPutStr System.IO.stdout " ") (\_ -> Prelude.return x)
+-}