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)))
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)
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: "
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
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)
+++ /dev/null
-(*********************************************************************************************************************************)
-(* SemiCategory: *)
-(* *)
-(* Same as a category, but without identity maps. See *)
-(* *)
-(* http://ncatlab.org/nlab/show/semicategory *)
-(* *)
-(*********************************************************************************************************************************)
-
-Generalizable All Variables.
-Require Import Preamble.
-Require Import General.
-
-Class SemiCategory (Ob:Type)(Hom:Ob->Ob->Type) :=
-{ semi_hom := Hom
-; semi_ob := Ob
-; semi_comp : forall {a}{b}{c}, Hom a b -> Hom b c -> Hom a c
-; semi_eqv : forall a b, (Hom a b) -> (Hom a b) -> Prop
-; semi_eqv_equivalence : forall a b, Equivalence (semi_eqv a b)
-; semi_comp_respects : forall a b c, Proper (semi_eqv a b ==> semi_eqv b c ==> semi_eqv a c) (@semi_comp _ _ _)
-; semi_associativity :
- forall `(f:Hom a b)`(g:Hom b c)`(h:Hom c d), semi_eqv _ _ (semi_comp (semi_comp f g) h) (semi_comp f (semi_comp g h))
-}.
-Coercion semi_ob : SemiCategory >-> Sortclass.
-
-Notation "a ~-> b" := (@semi_hom _ _ _ a b) (at level 70).
-Notation "f ~-~ g" := (@semi_eqv _ _ _ _ _ f g) (at level 54).
-Notation "f >>->> g" := (@semi_comp _ _ _ _ _ _ f g) (at level 45).
-
-Add Parametric Relation (Ob:Type)(Hom:Ob->Ob->Type)(C:SemiCategory Ob Hom)(a b:Ob) : (semi_hom a b) (semi_eqv a b)
- reflexivity proved by (@Equivalence_Reflexive _ _ (semi_eqv_equivalence a b))
- symmetry proved by (@Equivalence_Symmetric _ _ (semi_eqv_equivalence a b))
- transitivity proved by (@Equivalence_Transitive _ _ (semi_eqv_equivalence a b))
- as parametric_relation_semi_eqv.
- Add Parametric Morphism `(c:SemiCategory Ob Hom)(a b c:Ob) : (@semi_comp _ _ _ a b c)
- with signature (semi_eqv _ _ ==> semi_eqv _ _ ==> semi_eqv _ _) as parametric_morphism_semi_comp.
- intros.
- apply semi_comp_respects; auto.
- Defined.
-
-Class SemiFunctor
-`( c1 : SemiCategory )
-`( c2 : SemiCategory )
-( fobj : c1 -> c2 ) :=
-{ semifunctor_fobj := fobj
-; semi_fmor : forall {a b}, (a~->b) -> (fobj a)~->(fobj b)
-; semi_fmor_respects : forall a b (f f':a~->b), (f ~-~ f') -> (semi_fmor f ~-~ semi_fmor f')
-; semi_fmor_preserves_comp : forall `(f:a~->b)`(g:b~->c), (semi_fmor f) >>->> (semi_fmor g) ~-~ semi_fmor (f >>->> g)
-}.
-Implicit Arguments semi_fmor [[Ob][Hom][c1][Ob0][Hom0][c2][fobj][a][b]].
-
- (* register "fmor" so we can rewrite through it *)
- Implicit Arguments semi_fmor [ Ob Hom Ob0 Hom0 c1 c2 fobj a b ].
- Implicit Arguments semi_fmor_respects [ Ob Hom Ob0 Hom0 c1 c2 fobj a b ].
- Implicit Arguments semi_fmor_preserves_comp [ Ob Hom Ob0 Hom0 c1 c2 fobj a b c ].
- Notation "F \- f" := (semi_fmor F f) (at level 20) : category_scope.
- Add Parametric Morphism `(C1:SemiCategory)`(C2:SemiCategory)
- (Fobj:C1->C2)
- (F:SemiFunctor C1 C2 Fobj)
- (a b:C1)
- : (@semi_fmor _ _ C1 _ _ C2 Fobj F a b)
- with signature ((@semi_eqv C1 _ C1 a b) ==> (@semi_eqv C2 _ C2 (Fobj a) (Fobj b))) as parametric_morphism_semi_fmor'.
- intros; apply (@semi_fmor_respects _ _ C1 _ _ C2 Fobj F a b x y); auto.
- Defined.
- Coercion semifunctor_fobj : SemiFunctor >-> Funclass.
-
-Definition semifunctor_comp
- `(C1:SemiCategory)
- `(C2:SemiCategory)
- `(C3:SemiCategory)
- `(F:@SemiFunctor _ _ C1 _ _ C2 Fobj)`(G:@SemiFunctor _ _ C2 _ _ C3 Gobj) : SemiFunctor C1 C3 (Gobj ○ Fobj).
- intros. apply (Build_SemiFunctor _ _ _ _ _ _ _ (fun a b m => semi_fmor G (semi_fmor F m))).
- intros.
- setoid_rewrite H.
- reflexivity.
- intros.
- setoid_rewrite semi_fmor_preserves_comp; auto.
- setoid_rewrite semi_fmor_preserves_comp; auto.
- reflexivity.
- Defined.
-Notation "f >>>–>>> g" := (@semifunctor_comp _ _ _ _ _ _ _ _ _ _ f _ g) (at level 20) : category_scope.
-
-Class IsomorphicSemiCategories `(C:SemiCategory)`(D:SemiCategory) :=
-{ isc_f_obj : C -> D
-; isc_g_obj : D -> C
-; isc_f : SemiFunctor C D isc_f_obj
-; isc_g : SemiFunctor D C isc_g_obj
-; isc_forward : forall a b (f:a~->b), semi_fmor isc_f (semi_fmor isc_g f) ~-~ f
-}.
-; isc_backward : isc_g >>>> isc_f ~~~~ functor_id D
-}.
-
-