Require Import Preamble.
Require Import General.
Require Import Coq.Strings.String.
-Require Import HaskGeneral.
-Require Import HaskLiterals.
+Require Import Coq.Lists.List.
+Require Import HaskKinds.
Require Import HaskCoreVars.
-Variable CoreName : Type. Extract Inlined Constant CoreName => "Name.Name".
-Variable coreName_eq : forall (a b:CoreName), sumbool (a=b) (not (a=b)). Extract Inlined Constant coreName_eq => "(==)".
-Axiom coreName_eq_refl : ∀ v, (coreName_eq v v)=(left _ (refl_equal v)).
-Instance CoreNameEqDecidable : EqDecidable CoreName :=
-{ eqd_dec := coreName_eq
-}.
+Variable CoreTyCon : Type. Extract Inlined Constant CoreTyCon => "TyCon.TyCon".
+Variable CoreDataCon : Type. Extract Inlined Constant CoreDataCon => "DataCon.DataCon".
+Variable CoreName : Type. Extract Inlined Constant CoreName => "Name.Name".
+Variable CoreCoercion : Type. Extract Inlined Constant CoreCoercion => "Coercion.Coercion".
+Variable Class_ : Type. Extract Inlined Constant Class_ => "Class.Class".
+Variable classTyCon : Class_ -> CoreTyCon. Extract Inlined Constant classTyCon => "Class.classTyCon".
+Variable tyConToString : CoreTyCon -> string. Extract Inlined Constant tyConToString => "outputableToString".
+Variable dataConToString : CoreDataCon-> string. Extract Inlined Constant dataConToString => "outputableToString".
+Variable CoreIPName : Type -> Type.
-Inductive CoreIPName : Type -> Type := . Extract Inductive CoreIPName => "CoreSyn.IPName" [ ].
+ Extract Constant CoreIPName "’a" => "BasicTypes.IPName".
+ Extraction Inline CoreIPName.
(* this exracts onto TypeRep.Type, on the nose *)
Inductive CoreType :=
-| TyVarTy : CoreVar -> CoreType
-| AppTy : CoreType -> CoreType -> CoreType (* first arg must be AppTy or TyVarTy*)
-| TyConApp : forall {n}, TyCon n -> list CoreType -> CoreType
-| FunTy : CoreType -> CoreType -> CoreType (* technically redundant since we have FunTyCon *)
-| ForAllTy : CoreVar -> CoreType -> CoreType
-| PredTy : PredType -> CoreType
+| TyVarTy : CoreVar -> CoreType
+| AppTy : CoreType -> CoreType -> CoreType (* first arg must be AppTy or TyVarTy*)
+| TyConApp : CoreTyCon -> list CoreType -> CoreType
+| FunTy : CoreType -> CoreType -> CoreType (* technically redundant since we have FunTyCon *)
+| ForAllTy : CoreVar -> CoreType -> CoreType
+| PredTy : PredType -> CoreType
with PredType :=
-| ClassP : forall {n}, Class_ n -> list CoreType -> PredType
-| IParam : CoreIPName CoreName -> CoreType -> PredType
-| EqPred : CoreType -> CoreType -> PredType.
+| ClassP : Class_ -> list CoreType -> PredType
+| IParam : CoreIPName CoreName -> CoreType -> PredType
+| EqPred : CoreType -> CoreType -> PredType.
Extract Inductive CoreType =>
"TypeRep.Type" [ "TypeRep.TyVarTy" "TypeRep.AppTy" "TypeRep.TyConApp" "TypeRep.FunTy" "TypeRep.ForAllTy" "TypeRep.PredTy" ].
Extract Inductive PredType =>
"TypeRep.PredType" [ "TypeRep.ClassP" "TypeRep.IParam" "TypeRep.EqPred" ].
-Variable coreTypeToString : CoreType -> string. Extract Inlined Constant coreTypeToString => "outputableToString".
Variable coreNameToString : CoreName -> string. Extract Inlined Constant coreNameToString => "outputableToString".
-
-Variable CoreCoercion : Type. Extract Inlined Constant CoreCoercion => "Coercion.Coercion".
Variable coreCoercionToString : CoreCoercion -> string. Extract Inlined Constant coreCoercionToString => "outputableToString".
-Variable coreCoercionKind : CoreCoercion -> CoreType*CoreType.
- Extract Inlined Constant coreCoercionKind => "Coercion.coercionKind".
+Variable coreCoercionKind : CoreCoercion -> CoreType*CoreType. Extract Inlined Constant coreCoercionKind => "Coercion.coercionKind".
+Variable kindOfCoreType : CoreType -> Kind. Extract Inlined Constant kindOfCoreType => "(coreKindToKind . Coercion.typeKind)".
+Variable coreTypeToString : CoreType -> string. Extract Inlined Constant coreTypeToString => "(outputableToString . coreViewDeep)".
+
+(* once again, we pull the trick of having multiple Coq types map to a single Haskell type to provide stronger typing *)
+Variable TyCon : Type. Extract Inlined Constant TyCon => "TyCon.TyCon".
+Variable TyFun : Type. Extract Inlined Constant TyFun => "TyCon.TyCon".
+
+(* GHC provides decision procedures for equality on its primitive types; we tell Coq to blindly trust them *)
+Variable coreTyCon_eq : EqDecider CoreTyCon. Extract Inlined Constant coreTyCon_eq => "(==)".
+Variable tyCon_eq : EqDecider TyCon. Extract Inlined Constant tyCon_eq => "(==)".
+Variable tyFun_eq : EqDecider TyFun. Extract Inlined Constant tyFun_eq => "(==)".
+Variable dataCon_eq : EqDecider CoreDataCon. Extract Inlined Constant dataCon_eq => "(==)".
+Variable coreName_eq : EqDecider CoreName. Extract Inlined Constant coreName_eq => "(==)".
+Instance CoreTyConEqDecidable: EqDecidable CoreTyCon := { eqd_dec := coreTyCon_eq }.
+Instance TyConEqDecidable : EqDecidable TyCon := { eqd_dec := tyCon_eq }.
+Instance TyFunEqDecidable : EqDecidable TyFun := { eqd_dec := tyFun_eq }.
+Instance DataConEqDecidable : EqDecidable CoreDataCon := { eqd_dec := dataCon_eq }.
+Instance CoreNameEqDecidable : EqDecidable CoreName := { eqd_dec := coreName_eq }.
+
-Variable coretype_eq_dec : forall (c1 c2:CoreType), sumbool (eq c1 c2) (not (eq c1 c2)).
- Extract Inlined Constant coretype_eq_dec => "Type.coreEqType".
- Instance CoreTypeEqDecidable : EqDecidable CoreType.
- apply Build_EqDecidable.
- apply coretype_eq_dec.
- Defined.
-Variable kindOfCoreType : CoreType -> Kind. Extract Inlined Constant kindOfCoreType => "(coreKindToKind . Coercion.typeKind)".
+Instance CoreTypeToString : ToString CoreType := { toString := coreTypeToString }.
+Instance CoreNameToString : ToString CoreName := { toString := coreNameToString }.
+Instance CoreCoercionToString : ToString CoreCoercion := { toString := coreCoercionToString }.
+Instance CoreDataConToString : ToString CoreDataCon := { toString := dataConToString }.
+Instance CoreTyConToString : ToString CoreTyCon := { toString := tyConToString }.
projects / coq-hetmet.git / blobdiff