-{-# OPTIONS_GHC -fno-warn-unused-binds #-}
-module Extraction ( coqCoreToStringPass )
+{-# OPTIONS_GHC -fno-warn-unused-matches -fno-warn-unused-binds -fno-warn-unused-imports #-}
+module CoqPass ( coqPassCoreToString, coqPassCoreToCore )
where
---import HsSyn
---import TcType
---import CoreFVs
---import CoreUtils
---import Var
---import BasicTypes
---import Bag
---import VarSet
---import SrcLoc
---import Data.List
-
+import qualified Unique
+import qualified Kind
+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 Coercion
import qualified Var
import qualified Id
+import qualified Pair
import qualified FastString
import qualified BasicTypes
import qualified DataCon
import qualified CoreSyn
+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, (.), ($) )
+import qualified Prelude
+import qualified GHC.Base
+import qualified System.IO.Unsafe
+
+getTyConTyVars :: TyCon.TyCon -> [Var.TyVar]
+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,[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
-dataConEqTheta' dc = map (\p -> {-FIXME-}) (DataCon.dataConEqTheta dc)
+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 | Coercion.isCoVar v = CVTWVR_CoVar (Prelude.fst (Coercion.coVarKind v)) (Prelude.snd (Coercion.coVarKind v))
+coreVarToWeakVar _ = Prelude.error "Var.Var that is neither an expression, type variable, nor coercion variable!"
+
+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 =
+ 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 if TyCon.isSynTyCon n
+ then Prelude.Right n
+ else Prelude.Left n
nat2int :: Nat -> Prelude.Int
nat2int O = 0
nat2int (S x) = 1 + (nat2int x)
-nat2string :: Nat -> Prelude.String
-nat2string n = show (nat2int n)
+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 [] = []
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 = Kind.liftedTypeKind
+kindToCoreKind (KindArrow k1 k2) = Kind.mkArrowKind (kindToCoreKind k1) (kindToCoreKind k2)
+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
- Prelude.Just (k1,k2) -> KindTypeFunction (coreKindToKind k1) (coreKindToKind k2)
+ case Kind.splitKindFunTy_maybe k of
+ 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
- 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"
+ if (Kind.isLiftedTypeKind k) then KindStar
+ else if (Kind.isUnliftedTypeKind k) then KindStar
+ else if (Kind.isArgTypeKind k) then KindStar
+ else if (Kind.isUbxTupleKind k) then KindStar
+ else if (Kind.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 (Kind.isTySuperKind k) then Prelude.error "coreKindToKind got the kind-of-the-kind-of-types"
else Prelude.error ((Prelude.++) "coreKindToKind got an unknown kind: "
(Outputable.showSDoc (Outputable.ppr k)))
-coreVarSort :: Var.Var -> CoreVarSort
-coreVarSort v | Id.isId v = CoreExprVar (Var.varType{-AsType-} v)
-coreVarSort v | Var.isTyVar v = CoreTypeVar (coreKindToKind (Var.varType v))
-coreVarSort v | Var.isCoVar v = CoreCoerVar (Coercion.coercionKind v)
-coreVarSort v | otherwise = Prelude.error "Var.Var that is neither an expression variable, type variable, nor coercion variable!"
+outputableToString :: Outputable.Outputable a => a -> Prelude.String
+outputableToString = (\x -> Outputable.showSDocDebug (Outputable.ppr x))
+
+coreViewDeep :: Type.Type -> Type.Type
+coreViewDeep t =
+ case t of
+ TypeRep.TyVarTy tv -> TypeRep.TyVarTy tv
+ TypeRep.FunTy arg res -> TypeRep.FunTy (coreViewDeep arg) (coreViewDeep res)
+ TypeRep.AppTy fun arg -> TypeRep.AppTy (coreViewDeep fun) (coreViewDeep arg)
+ TypeRep.ForAllTy fun arg -> TypeRep.ForAllTy fun (coreViewDeep arg)
+ TypeRep.TyConApp tc tys -> let t' = TypeRep.TyConApp tc (Prelude.map coreViewDeep tys)
+ in case Type.coreView t' of
+ Prelude.Nothing -> t'
+ Prelude.Just t'' -> t''
+ TypeRep.PredTy p -> case Type.coreView t of
+ Prelude.Nothing -> TypeRep.PredTy p
+ Prelude.Just t' -> t'
+
+{-# NOINLINE trace #-}
+trace :: Prelude.String -> a -> a
+trace msg x = x
-outputableToString :: Outputable -> String
-outputableToString = (\x -> Outputable.showSDoc (Outputable.ppr 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)
+-- 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