diff options
Diffstat (limited to 'pretyping/retyping.ml')
| -rw-r--r-- | pretyping/retyping.ml | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/pretyping/retyping.ml b/pretyping/retyping.ml index 7fb4f7ba..3b679fce 100644 --- a/pretyping/retyping.ml +++ b/pretyping/retyping.ml @@ -1,13 +1,11 @@ (************************************************************************) (* v * The Coq Proof Assistant / The Coq Development Team *) -(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2011 *) +(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2012 *) (* \VV/ **************************************************************) (* // * This file is distributed under the terms of the *) (* * GNU Lesser General Public License Version 2.1 *) (************************************************************************) -(* $Id: retyping.ml 14641 2011-11-06 11:59:10Z herbelin $ *) - open Util open Term open Inductive @@ -32,12 +30,12 @@ let rec subst_type env sigma typ = function (* et sinon on substitue *) let sort_of_atomic_type env sigma ft args = - let rec concl_of_arity env ar = - match kind_of_term (whd_betadeltaiota env sigma ar) with - | Prod (na, t, b) -> concl_of_arity (push_rel (na,None,t) env) b - | Sort s -> s - | _ -> decomp_sort env sigma (subst_type env sigma ft (Array.to_list args)) - in concl_of_arity env ft + let rec concl_of_arity env ar args = + match kind_of_term (whd_betadeltaiota env sigma ar), args with + | Prod (na, t, b), h::l -> concl_of_arity (push_rel (na,Some h,t) env) b l + | Sort s, [] -> s + | _ -> anomaly "Not a sort" + in concl_of_arity env ft (Array.to_list args) let type_of_var env id = try let (_,_,ty) = lookup_named id env in ty @@ -48,8 +46,8 @@ let retype ?(polyprop=true) sigma = let rec type_of env cstr= match kind_of_term cstr with | Meta n -> - (try strip_outer_cast (Evd.meta_ftype sigma n).Evd.rebus - with Not_found -> anomaly ("type_of: unknown meta " ^ string_of_int n)) + (try strip_outer_cast (Evd.meta_ftype sigma n).Evd.rebus + with Not_found -> anomaly ("type_of: unknown meta " ^ string_of_int n)) | Rel n -> let (_,_,ty) = lookup_rel n env in lift n ty @@ -129,10 +127,13 @@ let retype ?(polyprop=true) sigma = match kind_of_term c with | Ind ind -> let (_,mip) = lookup_mind_specif env ind in - Inductive.type_of_inductive_knowing_parameters ~polyprop env mip argtyps + (try Inductive.type_of_inductive_knowing_parameters + ~polyprop env mip argtyps + with Reduction.NotArity -> anomaly "type_of: Not an arity") | Const cst -> let t = constant_type env cst in - Typeops.type_of_constant_knowing_parameters env t argtyps + (try Typeops.type_of_constant_knowing_parameters env t argtyps + with Reduction.NotArity -> anomaly "type_of: Not an arity") | Var id -> type_of_var env id | Construct cstr -> type_of_constructor env cstr | _ -> assert false |