+{-# OPTIONS_GHC -fno-warn-unused-matches -fno-warn-unused-binds -fno-warn-unused-imports #-}
module CoqPass ( coqPassCoreToString, coqPassCoreToCore )
where
import qualified Unique
import qualified Data.Ord
import qualified Data.Typeable
import Data.Bits ((.&.), shiftL, (.|.))
-import Prelude ( (++), (+), (==), Show, show, Char, (.), ($) )
+import Prelude ( (++), (+), (==), Show, show, (.), ($) )
import qualified Prelude
-import qualified Debug.Trace
import qualified GHC.Base
-import qualified System.IO
import qualified System.IO.Unsafe
-{- -- 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))
--}
-
getTyConTyVars :: TyCon.TyCon -> [Var.TyVar]
getTyConTyVars tc =
if TyCon.isFunTyCon tc
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))))
-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"))
-coreVarToWeakVar _ =
- Prelude.error "Var.Var that is neither an expression variable, type variable, nor coercion variable!"
+coreVarToWeakVar :: Var.Var -> CoreVarToWeakVarResult
+coreVarToWeakVar v | Id.isId v = CVTWVR_EVar (Var.varType v)
+coreVarToWeakVar v | Var.isTyVar v = CVTWVR_TyVar (coreKindToKind (Var.varType v))
+coreVarToWeakVar v | Var.isCoVar v = CVTWVR_CoVar (Prelude.fst (Coercion.coercionKind (Var.varType v)))
+ (Prelude.snd (Coercion.coercionKind (Var.varType v)))
+coreVarToWeakVar _ = Prelude.error "Var.Var that is neither an expression, type variable, nor coercion variable!"
-errOrFail (OK x) = x
-errOrFail (Error s) = Prelude.error s
+rawTyFunKind :: TyCon.TyCon -> ( [Kind] , Kind )
+rawTyFunKind tc = ((Prelude.map coreKindToKind (Prelude.take (TyCon.tyConArity tc) argk))
+ ,
+ coreKindToKind (Coercion.mkArrowKinds (Prelude.drop (TyCon.tyConArity tc) argk) retk))
+ where (argk,retk) = Coercion.splitKindFunTys (TyCon.tyConKind tc)
tyConOrTyFun :: TyCon.TyCon -> Prelude.Either TyCon.TyCon TyCon.TyCon
tyConOrTyFun n =
then Prelude.Right n
else if TyCon.isFamInstTyCon n
then Prelude.Right n
- else Prelude.Left n
+ else if TyCon.isSynTyCon n
+ then Prelude.Right n
+ else Prelude.Left n
nat2int :: Nat -> Prelude.Int
nat2int O = 0
natToString :: Nat -> Prelude.String
natToString n = show (nat2int n)
--- only needs to sanitize characters which might appear in Haskell identifiers
sanitizeForLatex :: Prelude.String -> Prelude.String
sanitizeForLatex [] = []
sanitizeForLatex ('_':x) = "\\_"++(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"
-
+kindToCoreKind k = Prelude.error ((Prelude.++)
+ "kindToCoreKind does not know how to handle kind "
+ (kindToString k))
coreKindToKind :: TypeRep.Kind -> Kind
coreKindToKind k =
case Coercion.splitKindFunTy_maybe k of
else if (Coercion.isArgTypeKind k) then KindStar
else if (Coercion.isUbxTupleKind k) then KindStar
else if (Coercion.isOpenTypeKind k) then KindStar
+--
+-- The "subkinding" in GHC is not dealt with in System FC, and dealing
+-- with it is not actually as simple as you'd think.
+--
-- 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: "
(Outputable.showSDoc (Outputable.ppr k)))
outputableToString :: Outputable.Outputable a => a -> Prelude.String
-outputableToString = (\x -> Outputable.showSDoc (Outputable.ppr x))
-
--- 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)
+outputableToString = (\x -> Outputable.showSDocDebug (Outputable.ppr x))
coreViewDeep :: Type.Type -> Type.Type
coreViewDeep t =
Prelude.Nothing -> TypeRep.PredTy p
Prelude.Just t' -> t'
-coreCoercionToWeakCoercion :: Type.Type -> WeakCoercion
-coreCoercionToWeakCoercion c =
- WCoUnsafe (errOrFail (coreTypeToWeakType t1)) (errOrFail (coreTypeToWeakType t2))
- where
- (t1,t2) = Coercion.coercionKind c
+getSourceAndTargetTypesOfCoercion :: Type.Type -> (Type.Type,Type.Type)
+getSourceAndTargetTypesOfCoercion c = Coercion.coercionKind (Coercion.typeKind c)
+
{-
-- REMEMBER: cotycon applications may be oversaturated
case c of
| WCoUnsafe t1 t2 => (t1,t2)
-}
+{-# NOINLINE trace #-}
+trace :: Prelude.String -> a -> a
+trace msg x = x
--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)
+--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)
+
+
+{- -- 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))
-}
+
+-- 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)
projects / coq-hetmet.git / blobdiff