(*********************************************************************************************************************************) (* HaskCoreTypes: basically GHC's TypeRep.Type imported into Coqland *) (*********************************************************************************************************************************) Generalizable All Variables. Require Import Preamble. Require Import General. Require Import Coq.Strings.String. Require Import Coq.Lists.List. Require Import HaskKinds. Require Import HaskCoreVars. Require Import HaskLiteralsAndTyCons. Variable CoreCoercion : Type. Extract Inlined Constant CoreCoercion => "Coercion.Coercion". Variable classTyCon : Class_ -> CoreTyCon. Extract Inlined Constant classTyCon => "Class.classTyCon". Variable coreTyConToString : CoreTyCon -> string. Extract Inlined Constant coreTyConToString => "outputableToString". Variable coreDataConToString : CoreDataCon -> string. Extract Inlined Constant coreDataConToString => "outputableToString". (* 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 : CoreTyCon -> list CoreType -> CoreType | FunTy : CoreType -> CoreType -> CoreType (* technically redundant since we have FunTyCon *) | ForAllTy : CoreVar -> CoreType -> CoreType | PredTy : PredType -> CoreType with 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 coreNameToString : CoreName -> string. Extract Inlined Constant coreNameToString => "outputableToString". Variable coreCoercionToString : CoreCoercion -> string. Extract Inlined Constant coreCoercionToString => "outputableToString". 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)". (* 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 }. Instance CoreTypeToString : ToString CoreType := { toString := coreTypeToString }. Instance CoreNameToString : ToString CoreName := { toString := coreNameToString }. Instance CoreCoercionToString : ToString CoreCoercion := { toString := coreCoercionToString }. Instance CoreDataConToString : ToString CoreDataCon := { toString := coreDataConToString }. Instance CoreTyConToString : ToString CoreTyCon := { toString := coreTyConToString }.