Require Import Coq.Strings.String.
Require Import Coq.Lists.List.
Require Import HaskKinds.
-Require Import HaskWeakVars.
Require Import HaskCoreTypes.
-Require Import HaskCoreLiterals.
+Require Import HaskLiteralsAndTyCons.
Require Import HaskStrongTypes.
+Require Import HaskWeakVars.
+Require Import HaskCoreVars.
Section HaskStrong.
Context `{EQD_VV:EqDecidable VV}.
(* a StrongCaseBranchWithVVs contains all the data found in a case branch except the expression itself *)
-
- Record StrongCaseBranchWithVVs {tc:TyCon}{Γ}{sac:@StrongAltCon tc}{atypes:IList _ (HaskType Γ) (tyConKind sac)} :=
- { scbwv_sac := sac
- ; scbwv_exprvars : vec VV (sac_numExprVars scbwv_sac)
- ; scbwv_varstypes := vec_zip scbwv_exprvars (sac_types scbwv_sac Γ atypes)
- ; scbwv_ξ := fun ξ lev => update_ξ (weakLT'○ξ) (vec2list
- (vec_map (fun x => ((fst x),(snd x @@ weakL' lev))) scbwv_varstypes))
+ Record StrongCaseBranchWithVVs {tc:TyCon}{Γ}{atypes:IList _ (HaskType Γ) (tyConKind tc)}{sac:@StrongAltCon tc} :=
+ { scbwv_exprvars : vec VV (sac_numExprVars sac)
+ ; scbwv_exprvars_distinct : distinct (vec2list scbwv_exprvars)
+ ; scbwv_varstypes := vec_zip scbwv_exprvars (sac_types sac Γ atypes)
+ ; scbwv_ξ := fun ξ lev => update_ξ (weakLT'○ξ) (weakL' lev) (vec2list scbwv_varstypes)
}.
Implicit Arguments StrongCaseBranchWithVVs [[Γ]].
- Coercion scbwv_sac : StrongCaseBranchWithVVs >-> StrongAltCon.
Inductive Expr : forall Γ (Δ:CoercionEnv Γ), (VV -> LeveledHaskType Γ ★) -> LeveledHaskType Γ ★ -> Type :=
+
+ (* an "EGlobal" is any variable which is free in the expression which was passed to -fcoqpass (ie bound outside it) *)
+ | EGlobal: ∀ Γ Δ ξ t, WeakExprVar -> Expr Γ Δ ξ t
+
| EVar : ∀ Γ Δ ξ ev, Expr Γ Δ ξ (ξ ev)
| ELit : ∀ Γ Δ ξ lit l, Expr Γ Δ ξ (literalType lit@@l)
| EApp : ∀ Γ Δ ξ t1 t2 l, Expr Γ Δ ξ (t2--->t1 @@ l) -> Expr Γ Δ ξ (t2 @@ l) -> Expr Γ Δ ξ (t1 @@ l)
- | ELam : ∀ Γ Δ ξ t1 t2 l ev, Expr Γ Δ (update_ξ ξ ((ev,t1@@l)::nil)) (t2@@l) -> Expr Γ Δ ξ (t1--->t2@@l)
- | ELet : ∀ Γ Δ ξ tv t l ev,Expr Γ Δ ξ (tv@@l)->Expr Γ Δ (update_ξ ξ ((ev,tv@@l)::nil))(t@@l) -> Expr Γ Δ ξ (t@@l)
+ | ELam : ∀ Γ Δ ξ t1 t2 l ev, Expr Γ Δ (update_ξ ξ l ((ev,t1)::nil)) (t2@@l) -> Expr Γ Δ ξ (t1--->t2@@l)
+ | ELet : ∀ Γ Δ ξ tv t l ev,Expr Γ Δ ξ (tv@@l)->Expr Γ Δ (update_ξ ξ l ((ev,tv)::nil))(t@@l) -> Expr Γ Δ ξ (t@@l)
| EEsc : ∀ Γ Δ ξ ec t l, Expr Γ Δ ξ (<[ ec |- t ]> @@ l) -> Expr Γ Δ ξ (t @@ (ec::l))
| EBrak : ∀ Γ Δ ξ ec t l, Expr Γ Δ ξ (t @@ (ec::l)) -> Expr Γ Δ ξ (<[ ec |- t ]> @@ l)
| ECast : forall Γ Δ ξ t1 t2 (γ:HaskCoercion Γ Δ (t1 ∼∼∼ t2)) l,
Expr Γ Δ ξ (σ₁ ∼∼ σ₂ ⇒ σ @@ l) -> Expr Γ Δ ξ (σ @@l)
| ETyLam : ∀ Γ Δ ξ κ σ l,
Expr (κ::Γ) (weakCE Δ) (weakLT○ξ) (HaskTApp (weakF σ) (FreshHaskTyVar _)@@(weakL l))-> Expr Γ Δ ξ (HaskTAll κ σ @@ l)
- | ECase : forall Γ Δ ξ l tc tbranches sac atypes,
+ | ECase : forall Γ Δ ξ l tc tbranches atypes,
Expr Γ Δ ξ (caseType tc atypes @@ l) ->
- Tree ??{ scb : StrongCaseBranchWithVVs tc sac atypes
- & Expr (sac_Γ scb Γ)
- (sac_Δ scb Γ atypes (weakCK'' Δ))
+ Tree ??{ sac : _
+ & { scb : StrongCaseBranchWithVVs tc atypes sac
+ & Expr (sac_Γ sac Γ)
+ (sac_Δ sac Γ atypes (weakCK'' Δ))
(scbwv_ξ scb ξ l)
- (weakLT' (tbranches@@l)) } ->
+ (weakLT' (tbranches@@l)) } } ->
Expr Γ Δ ξ (tbranches @@ l)
- | ELetRec : ∀ Γ Δ ξ l τ vars, let ξ' := update_ξ ξ (map (fun x => ((fst x),(snd x @@ l))) (leaves vars)) in
+ | ELetRec : ∀ Γ Δ ξ l τ vars,
+ let ξ' := update_ξ ξ l (leaves vars) in
ELetRecBindings Γ Δ ξ' l vars ->
Expr Γ Δ ξ' (τ@@l) ->
Expr Γ Δ ξ (τ@@l)
(* can't avoid having an additional inductive: it is a tree of Expr's, each of whose ξ depends on the type of the entire tree *)
with ELetRecBindings : ∀ Γ, CoercionEnv Γ -> (VV -> LeveledHaskType Γ ★) -> HaskLevel Γ -> Tree ??(VV*HaskType Γ ★) -> Type :=
| ELR_nil : ∀ Γ Δ ξ l , ELetRecBindings Γ Δ ξ l []
- | ELR_leaf : ∀ Γ Δ ξ t l v, Expr Γ Δ ξ (t @@ l) -> ELetRecBindings Γ Δ ξ l [(v,t)]
+ | ELR_leaf : ∀ Γ Δ ξ l v t, Expr Γ Δ ξ (t @@ l) -> ELetRecBindings Γ Δ ξ l [(v,t)]
| ELR_branch : ∀ Γ Δ ξ l t1 t2, ELetRecBindings Γ Δ ξ l t1 -> ELetRecBindings Γ Δ ξ l t2 -> ELetRecBindings Γ Δ ξ l (t1,,t2)
.
+ Context {ToStringVV:ToString VV}.
+ Context {ToLatexVV:ToLatex VV}.
+ Fixpoint exprToString {Γ}{Δ}{ξ}{τ}(exp:Expr Γ Δ ξ τ) : string :=
+ match exp with
+ | EVar Γ' _ ξ' ev => "var."+++ toString ev
+ | EGlobal Γ' _ ξ' t wev => "global." +++ toString (wev:CoreVar)
+ | ELam Γ' _ _ tv _ _ cv e => "\("+++ toString cv +++":t) -> "+++ exprToString e
+ | ELet Γ' _ _ t _ _ ev e1 e2 => "let "+++toString ev+++" = "+++exprToString e1+++" in "+++exprToString e2
+ | ELit _ _ _ lit _ => "lit."+++toString lit
+ | EApp Γ' _ _ _ _ _ e1 e2 => "("+++exprToString e1+++")("+++exprToString e2+++")"
+ | EEsc Γ' _ _ ec t _ e => "~~("+++exprToString e+++")"
+ | EBrak Γ' _ _ ec t _ e => "<["+++exprToString e+++"]>"
+ | ENote _ _ _ _ n e => "note."+++exprToString e
+ | ETyApp Γ Δ κ σ τ ξ l e => "("+++exprToString e+++")@("+++toString τ+++")"
+ | ECoApp Γ Δ κ σ₁ σ₂ γ σ ξ l e => "("+++exprToString e+++")~(co)"
+ | ECast Γ Δ ξ t1 t2 γ l e => "cast ("+++exprToString e+++"):t2"
+ | ETyLam _ _ _ k _ _ e => "\@_ ->"+++ exprToString e
+ | ECoLam Γ Δ κ σ σ₁ σ₂ ξ l e => "\~_ ->"+++ exprToString e
+ | ECase Γ Δ ξ l tc tbranches atypes escrut alts => "case " +++ exprToString escrut +++ " of FIXME"
+ | ELetRec _ _ _ _ _ vars elrb e => "letrec FIXME in " +++ exprToString e
+ end.
+ Instance ExprToString Γ Δ ξ τ : ToString (Expr Γ Δ ξ τ) := { toString := exprToString }.
+
End HaskStrong.
Implicit Arguments StrongCaseBranchWithVVs [[Γ]].
projects / coq-hetmet.git / blobdiff