diff options
Diffstat (limited to 'pretyping/patternops.ml')
| -rw-r--r-- | pretyping/patternops.ml | 60 |
1 files changed, 30 insertions, 30 deletions
diff --git a/pretyping/patternops.ml b/pretyping/patternops.ml index 638e12d7c..a8012d35f 100644 --- a/pretyping/patternops.ml +++ b/pretyping/patternops.ml @@ -14,7 +14,6 @@ open Nameops open Term open Vars open Glob_term -open Glob_ops open Pp open Mod_subst open Misctypes @@ -326,46 +325,46 @@ let warn_cast_in_pattern = CWarnings.create ~name:"cast-in-pattern" ~category:"automation" (fun () -> Pp.strbrk "Casts are ignored in patterns") -let rec pat_of_raw metas vars = function - | GVar (_,id) -> +let rec pat_of_raw metas vars = CAst.with_loc_val (fun ?loc -> function + | GVar id -> (try PRel (List.index Name.equal (Name id) vars) with Not_found -> PVar id) - | GPatVar (_,(false,n)) -> + | GPatVar (false,n) -> metas := n::!metas; PMeta (Some n) - | GRef (_,gr,_) -> + | GRef (gr,_) -> PRef (canonical_gr gr) (* Hack to avoid rewriting a complete interpretation of patterns *) - | GApp (_, GPatVar (_,(true,n)), cl) -> + | GApp ({ CAst.v = GPatVar (true,n) }, cl) -> metas := n::!metas; PSoApp (n, List.map (pat_of_raw metas vars) cl) - | GApp (_,c,cl) -> + | GApp (c,cl) -> PApp (pat_of_raw metas vars c, Array.of_list (List.map (pat_of_raw metas vars) cl)) - | GLambda (_,na,bk,c1,c2) -> + | GLambda (na,bk,c1,c2) -> name_iter (fun n -> metas := n::!metas) na; PLambda (na, pat_of_raw metas vars c1, pat_of_raw metas (na::vars) c2) - | GProd (_,na,bk,c1,c2) -> + | GProd (na,bk,c1,c2) -> name_iter (fun n -> metas := n::!metas) na; PProd (na, pat_of_raw metas vars c1, pat_of_raw metas (na::vars) c2) - | GLetIn (_,na,c1,t,c2) -> + | GLetIn (na,c1,t,c2) -> name_iter (fun n -> metas := n::!metas) na; PLetIn (na, pat_of_raw metas vars c1, Option.map (pat_of_raw metas vars) t, pat_of_raw metas (na::vars) c2) - | GSort (_,s) -> + | GSort s -> PSort s | GHole _ -> PMeta None - | GCast (_,c,_) -> + | GCast (c,_) -> warn_cast_in_pattern (); pat_of_raw metas vars c - | GIf (_,c,(_,None),b1,b2) -> + | GIf (c,(_,None),b1,b2) -> PIf (pat_of_raw metas vars c, pat_of_raw metas vars b1,pat_of_raw metas vars b2) - | GLetTuple (loc,nal,(_,None),b,c) -> - let mkGLambda c na = - GLambda (loc,na,Explicit,GHole (loc,Evar_kinds.InternalHole, IntroAnonymous, None),c) in + | GLetTuple (nal,(_,None),b,c) -> + let mkGLambda c na = CAst.make ?loc @@ + GLambda (na,Explicit, CAst.make @@ GHole (Evar_kinds.InternalHole, IntroAnonymous, None),c) in let c = List.fold_left mkGLambda c nal in let cip = { cip_style = LetStyle; @@ -376,24 +375,24 @@ let rec pat_of_raw metas vars = function let tags = List.map (fun _ -> false) nal (* Approximation which can be without let-ins... *) in PCase (cip, PMeta None, pat_of_raw metas vars b, [0,tags,pat_of_raw metas vars c]) - | GCases (loc,sty,p,[c,(na,indnames)],brs) -> + | GCases (sty,p,[c,(na,indnames)],brs) -> let get_ind = function - | (_,_,[PatCstr(_,(ind,_),_,_)],_)::_ -> Some ind + | (_,(_,[{ CAst.v = PatCstr((ind,_),_,_) }],_))::_ -> Some ind | _ -> None in let ind_tags,ind = match indnames with - | Some (_,ind,nal) -> Some (List.length nal), Some ind + | Some (_,(ind,nal)) -> Some (List.length nal), Some ind | None -> None, get_ind brs in let ext,brs = pats_of_glob_branches loc metas vars ind brs in let pred = match p,indnames with - | Some p, Some (_,_,nal) -> + | Some p, Some (_,(_,nal)) -> let nvars = na :: List.rev nal @ vars in rev_it_mkPLambda nal (mkPLambda na (pat_of_raw metas nvars p)) - | (None | Some (GHole _)), _ -> PMeta None + | (None | Some { CAst.v = GHole _}), _ -> PMeta None | Some p, None -> - user_err ~loc (strbrk "Clause \"in\" expected in patterns over \"match\" expressions with an explicit \"return\" clause.") + user_err ?loc (strbrk "Clause \"in\" expected in patterns over \"match\" expressions with an explicit \"return\" clause.") in let info = { cip_style = sty; @@ -406,26 +405,27 @@ let rec pat_of_raw metas vars = function one non-trivial branch. These facts are used in [Constrextern]. *) PCase (info, pred, pat_of_raw metas vars c, brs) - | r -> err ~loc:(loc_of_glob_constr r) (Pp.str "Non supported pattern.") + | r -> err ?loc (Pp.str "Non supported pattern.") + ) and pats_of_glob_branches loc metas vars ind brs = let get_arg = function - | PatVar(_,na) -> + | { CAst.v = PatVar na } -> name_iter (fun n -> metas := n::!metas) na; na - | PatCstr(loc,_,_,_) -> err ~loc (Pp.str "Non supported pattern.") + | { CAst.v = PatCstr(_,_,_) ; loc } -> err ?loc (Pp.str "Non supported pattern.") in let rec get_pat indexes = function | [] -> false, [] - | [(_,_,[PatVar(_,Anonymous)],GHole _)] -> true, [] (* ends with _ => _ *) - | (_,_,[PatCstr(_,(indsp,j),lv,_)],br) :: brs -> + | [(_,(_,[{ CAst.v = PatVar Anonymous }], { CAst.v = GHole _}))] -> true, [] (* ends with _ => _ *) + | (_,(_,[{ CAst.v = PatCstr((indsp,j),lv,_) }],br)) :: brs -> let () = match ind with | Some sp when eq_ind sp indsp -> () | _ -> - err ~loc (Pp.str "All constructors must be in the same inductive type.") + err ?loc (Pp.str "All constructors must be in the same inductive type.") in if Int.Set.mem (j-1) indexes then - err ~loc + err ?loc (str "No unique branch for " ++ int j ++ str"-th constructor."); let lna = List.map get_arg lv in let vars' = List.rev lna @ vars in @@ -433,7 +433,7 @@ and pats_of_glob_branches loc metas vars ind brs = let ext,pats = get_pat (Int.Set.add (j-1) indexes) brs in let tags = List.map (fun _ -> false) lv (* approximation, w/o let-in *) in ext, ((j-1, tags, pat) :: pats) - | (loc,_,_,_) :: _ -> err ~loc (Pp.str "Non supported pattern.") + | (loc,(_,_,_)) :: _ -> err ?loc (Pp.str "Non supported pattern.") in get_pat Int.Set.empty brs |