diff options
| author | Maxime Dénès | 2018-11-27 11:13:55 +0100 |
|---|---|---|
| committer | Maxime Dénès | 2018-11-27 11:13:55 +0100 |
| commit | e828ffaf1df8deb250ade91123b20b4d53c88060 (patch) | |
| tree | b01bc99f341a655e978c65c34c47af1aae8a10c4 /kernel/cClosure.ml | |
| parent | 31a1fa82bfc747df0c71c93346f689def876794a (diff) | |
| parent | a181bcb8d8050984e57f4a21cc7e97c043feb043 (diff) | |
Merge PR #8255: Fast typing of application nodes
Diffstat (limited to 'kernel/cClosure.ml')
| -rw-r--r-- | kernel/cClosure.ml | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/kernel/cClosure.ml b/kernel/cClosure.ml index 7e73609996..1f61bcae2e 100644 --- a/kernel/cClosure.ml +++ b/kernel/cClosure.ml @@ -300,7 +300,7 @@ and fterm = | FCoFix of cofixpoint * fconstr subs | FCaseT of case_info * constr * fconstr * constr array * fconstr subs (* predicate and branches are closures *) | FLambda of int * (Name.t * constr) list * constr * fconstr subs - | FProd of Name.t * fconstr * fconstr + | FProd of Name.t * fconstr * constr * fconstr subs | FLetIn of Name.t * fconstr * fconstr * constr * fconstr subs | FEvar of existential * fconstr subs | FLIFT of int * fconstr @@ -584,9 +584,12 @@ let rec to_constr lfts v = let tys = List.mapi (fun i (na, c) -> na, subst_constr (subs_liftn i subs) c) tys in let f = subst_constr (subs_liftn len subs) f in Term.compose_lam (List.rev tys) f - | FProd (n,t,c) -> - mkProd (n, to_constr lfts t, - to_constr (el_lift lfts) c) + | FProd (n, t, c, e) -> + if is_subs_id e && is_lift_id lfts then + mkProd (n, to_constr lfts t, c) + else + let subs' = comp_subs lfts e in + mkProd (n, to_constr lfts t, subst_constr (subs_lift subs') c) | FLetIn (n,b,t,f,e) -> let subs = comp_subs (el_lift lfts) (subs_lift e) in mkLetIn (n, to_constr lfts b, @@ -869,7 +872,7 @@ and knht info e t stk = | CoFix cfx -> { norm = Cstr; term = FCoFix (cfx,e) }, stk | Lambda _ -> { norm = Cstr; term = mk_lambda e t }, stk | Prod (n, t, c) -> - { norm = Whnf; term = FProd (n, mk_clos e t, mk_clos (subs_lift e) c) }, stk + { norm = Whnf; term = FProd (n, mk_clos e t, c, e) }, stk | LetIn (n,b,t,c) -> { norm = Red; term = FLetIn (n, mk_clos e b, mk_clos e t, c, e) }, stk | Evar ev -> { norm = Red; term = FEvar (ev, e) }, stk @@ -992,8 +995,8 @@ and norm_head info tab m = | FLetIn(na,a,b,f,e) -> let c = mk_clos (subs_lift e) f in mkLetIn(na, kl info tab a, kl info tab b, kl info tab c) - | FProd(na,dom,rng) -> - mkProd(na, kl info tab dom, kl info tab rng) + | FProd(na,dom,rng,e) -> + mkProd(na, kl info tab dom, kl info tab (mk_clos (subs_lift e) rng)) | FCoFix((n,(na,tys,bds)),e) -> let ftys = Array.Fun1.map mk_clos e tys in let fbds = |