{-# OPTIONS_GHC -fno-warn-unused-binds #-}
-module Extraction ( coqCoreToStringPass )
+module CoqPass ( coqPassCoreToString, coqPassCoreToCore )
where
---import HsSyn
---import TcType
---import CoreFVs
---import CoreUtils
---import MkCore
---import Var
---import BasicTypes
---import Bag
---import VarSet
---import SrcLoc
---import Data.List
-
+import qualified MkCore
import qualified TysWiredIn
import qualified TysPrim
import qualified Outputable
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, Char, (.) )
+import qualified Prelude
+import qualified GHC.Base
+
+-- used for extracting strings
+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
+ then []
+ else if TyCon.isPrimTyCon tc
+ then []
+ else TyCon.tyConTyVars tc
+
+sortAlts :: [(CoreSyn.AltCon,[Var.Var],CoreSyn.Expr Var.Var)] -> [(CoreSyn.AltCon,[Var.Var],CoreSyn.Expr Var.Var)]
+sortAlts x = Data.List.sortBy (\(a1,_,_) -> \(a2,_,_) -> Data.Ord.compare a1 a2) 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"))
+coreVarToWeakVar _ =
+ Prelude.error "Var.Var that is neither an expression variable, type variable, nor coercion variable!"
+
+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 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)
coreKindToKind :: TypeRep.Kind -> Kind
coreKindToKind k =
case Coercion.splitKindFunTy_maybe k of
Prelude.Just (k1,k2) -> KindTypeFunction (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 KindType
+ else if (Coercion.isUnliftedTypeKind k) then KindType
+ else if (Coercion.isArgTypeKind k) then KindType
+ else if (Coercion.isUbxTupleKind k) then KindType
+ else if (Coercion.isOpenTypeKind 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"
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 -> String
+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)
+
+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'
+
+-- FIXME: cotycon applications may be oversaturated
+coreCoercionToWeakCoercion :: Type.Type -> WeakCoercion
+coreCoercionToWeakCoercion c =
+ case c of
+ TypeRep.TyVarTy v -> WCoVar (WeakCoerVar v (Prelude.error "FIXME") (Prelude.error "FIXME") (Prelude.error "FIXME"))
+ TypeRep.AppTy t1 t2 -> WCoApp (coreCoercionToWeakCoercion t1) (coreCoercionToWeakCoercion t2)
+ TypeRep.TyConApp tc t ->
+ case TyCon.isCoercionTyCon_maybe tc of
+ Prelude.Nothing -> Prelude.error ((Prelude.++) "coreCoercionToWeakCoercion got " (outputableToString c))
+ Prelude.Just (_, ctcd) ->
+ case (ctcd,t) of
+ (TyCon.CoTrans , [x,y] ) -> WCoComp (coreCoercionToWeakCoercion x) (coreCoercionToWeakCoercion y)
+ (TyCon.CoSym , [x] ) -> WCoSym (coreCoercionToWeakCoercion x)
+ (TyCon.CoLeft , [x] ) -> WCoLeft (coreCoercionToWeakCoercion x)
+ (TyCon.CoRight , [x] ) -> WCoLeft (coreCoercionToWeakCoercion x)
+-- FIXME (TyCon.CoUnsafe, [t1, t2 ] ) -> WCoUnsafe (coreTypeToWeakType t1) (coreTypeToWeakType t2)
+ (TyCon.CoTrans , [] ) -> Prelude.error "CoTrans is not in post-publication-appendix SystemFC1"
+ (TyCon.CoCsel1 , [] ) -> Prelude.error "CoCsel1 is not in post-publication-appendix SystemFC1"
+ (TyCon.CoCsel2 , [] ) -> Prelude.error "CoCsel2 is not in post-publication-appendix SystemFC1"
+ (TyCon.CoCselR , [] ) -> Prelude.error "CoCselR is not in post-publication-appendix SystemFC1"
+ (TyCon.CoInst , [] ) -> Prelude.error "CoInst is not in post-publication-appendix SystemFC1"
+-- (TyCon.CoAxiom , [] ) -> Prelude.error "CoAxiom is not yet implemented (FIXME)"
+ _ -> Prelude.error ((Prelude.++) "coreCoercionToWeakCoercion got " (outputableToString c))
+ _ -> Prelude.error ((Prelude.++) "coreCoercionToWeakCoercion got " (outputableToString c))
+-- TypeRep.ForAllTy v t -> WCoAll (Prelude.error "FIXME") (coreTypeToWeakType t)
+-- FIXME x y -> WCoAppT (coreCoercionToWeakCoercion x) (coreCoercionToWeakType y)
+-- CoreSyn.Type t -> WCoType (coreTypeToWeakType t)
+
+{-
+weakCoercionToCoreCoercion :: CoreCoercion -> Type.Type
+| WCoVar (weakCoerVar _ _ t1 t2) => (t1,t2)
+| WCoType t => Prelude_error "FIXME WCoType"
+| WCoApp c1 c2 => Prelude_error "FIXME WCoApp"
+| WCoAppT c t => Prelude_error "FIXME WCoAppT"
+| WCoAll k f => Prelude_error "FIXME WCoAll"
+| WCoSym c => let (t2,t1) := weakCoercionTypes c in (t1,t2)
+| WCoComp c1 c2 => Prelude_error "FIXME WCoComp"
+| WCoLeft c => Prelude_error "FIXME WCoLeft"
+| WCoRight c => Prelude_error "FIXME WCoRight"
+| WCoUnsafe t1 t2 => (t1,t2)
+-}
\ No newline at end of file
projects / coq-hetmet.git / blobdiff