diff options
Diffstat (limited to 'plugins/funind/glob_termops.ml')
| -rw-r--r-- | plugins/funind/glob_termops.ml | 166 |
1 files changed, 6 insertions, 160 deletions
diff --git a/plugins/funind/glob_termops.ml b/plugins/funind/glob_termops.ml index 0666ab4f1f..b4ca1073ca 100644 --- a/plugins/funind/glob_termops.ml +++ b/plugins/funind/glob_termops.ml @@ -17,69 +17,12 @@ let mkGLambda(n,t,b) = DAst.make @@ GLambda(n,Explicit,t,b) let mkGProd(n,t,b) = DAst.make @@ GProd(n,Explicit,t,b) let mkGLetIn(n,b,t,c) = DAst.make @@ GLetIn(n,b,t,c) let mkGCases(rto,l,brl) = DAst.make @@ GCases(Term.RegularStyle,rto,l,brl) -let mkGSort s = DAst.make @@ GSort(s) let mkGHole () = DAst.make @@ GHole(Evar_kinds.BinderType Anonymous,Misctypes.IntroAnonymous,None) -let mkGCast(b,t) = DAst.make @@ GCast(b,CastConv t) (* Some basic functions to decompose glob_constrs These are analogous to the ones constrs *) -let glob_decompose_prod = - let rec glob_decompose_prod args c = match DAst.get c with - | GProd(n,k,t,b) -> - glob_decompose_prod ((n,t)::args) b - | _ -> args,c - in - glob_decompose_prod [] - -let glob_decompose_prod_or_letin = - let rec glob_decompose_prod args rt = match DAst.get rt with - | GProd(n,k,t,b) -> - glob_decompose_prod ((n,None,Some t)::args) b - | GLetIn(n,b,t,c) -> - glob_decompose_prod ((n,Some b,t)::args) c - | _ -> args,rt - in - glob_decompose_prod [] - -let glob_compose_prod = - List.fold_left (fun b (n,t) -> mkGProd(n,t,b)) - -let glob_compose_prod_or_letin = - List.fold_left ( - fun concl decl -> - match decl with - | (n,None,Some t) -> mkGProd(n,t,concl) - | (n,Some bdy,t) -> mkGLetIn(n,bdy,t,concl) - | _ -> assert false) - -let glob_decompose_prod_n n = - let rec glob_decompose_prod i args c = - if i<=0 then args,c - else - match DAst.get c with - | GProd(n,_,t,b) -> - glob_decompose_prod (i-1) ((n,t)::args) b - | _ -> args,c - in - glob_decompose_prod n [] - - -let glob_decompose_prod_or_letin_n n = - let rec glob_decompose_prod i args c = - if i<=0 then args,c - else - match DAst.get c with - | GProd(n,_,t,b) -> - glob_decompose_prod (i-1) ((n,None,Some t)::args) b - | GLetIn(n,b,t,c) -> - glob_decompose_prod (i-1) ((n,Some b,t)::args) c - | _ -> args,c - in - glob_decompose_prod n [] - - let glob_decompose_app = let rec decompose_rapp acc rt = (* msgnl (str "glob_decompose_app on : "++ Printer.pr_glob_constr rt); *) @@ -101,18 +44,6 @@ let glob_make_eq ?(typ= mkGHole ()) t1 t2 = let glob_make_neq t1 t2 = mkGApp(mkGRef (Lazy.force Coqlib.coq_not_ref),[glob_make_eq t1 t2]) -(* [glob_make_or P1 P2] build the glob_constr corresponding to [P1 \/ P2] *) -let glob_make_or t1 t2 = mkGApp (mkGRef(Lazy.force Coqlib.coq_or_ref),[t1;t2]) - -(* [glob_make_or_list [P1;...;Pn]] build the glob_constr corresponding - to [P1 \/ ( .... \/ Pn)] -*) -let rec glob_make_or_list = function - | [] -> invalid_arg "mk_or" - | [e] -> e - | e::l -> glob_make_or e (glob_make_or_list l) - - let remove_name_from_mapping mapping na = match na with | Anonymous -> mapping @@ -178,6 +109,7 @@ let change_vars = | GCast(b,c) -> GCast(change_vars mapping b, Miscops.map_cast_type (change_vars mapping) c) + | GProj(p,c) -> GProj(p, change_vars mapping c) ) rt and change_vars_br mapping ((loc,(idl,patl,res)) as br) = let new_mapping = List.fold_right Id.Map.remove idl mapping in @@ -362,6 +294,7 @@ let rec alpha_rt excluded rt = GApp(alpha_rt excluded f, List.map (alpha_rt excluded) args ) + | GProj(p,c) -> GProj(p, alpha_rt excluded c) in new_rt @@ -413,6 +346,7 @@ let is_free_in id = | GHole _ -> false | GCast (b,(CastConv t|CastVM t|CastNative t)) -> is_free_in b || is_free_in t | GCast (b,CastCoerce) -> is_free_in b + | GProj (_,c) -> is_free_in c ) x and is_free_in_br (_,(ids,_,rt)) = (not (Id.List.mem id ids)) && is_free_in rt @@ -506,6 +440,8 @@ let replace_var_by_term x_id term = | GCast(b,c) -> GCast(replace_var_by_pattern b, Miscops.map_cast_type replace_var_by_pattern c) + | GProj(p,c) -> + GProj(p,replace_var_by_pattern c) ) x and replace_var_by_pattern_br ((loc,(idl,patl,res)) as br) = if List.exists (fun id -> Id.compare id x_id == 0) idl @@ -575,97 +511,6 @@ let ids_of_pat = in ids_of_pat Id.Set.empty -let id_of_name = function - | Anonymous -> Id.of_string "x" - | Name x -> x - -(* TODO: finish Rec caes *) -let ids_of_glob_constr c = - let rec ids_of_glob_constr acc c = - let idof = id_of_name in - match DAst.get c with - | GVar id -> id::acc - | GApp (g,args) -> - ids_of_glob_constr [] g @ List.flatten (List.map (ids_of_glob_constr []) args) @ acc - | GLambda (na,k,ty,c) -> idof na :: ids_of_glob_constr [] ty @ ids_of_glob_constr [] c @ acc - | GProd (na,k,ty,c) -> idof na :: ids_of_glob_constr [] ty @ ids_of_glob_constr [] c @ acc - | GLetIn (na,b,t,c) -> idof na :: ids_of_glob_constr [] b @ Option.cata (ids_of_glob_constr []) [] t @ ids_of_glob_constr [] c @ acc - | GCast (c,(CastConv t|CastVM t|CastNative t)) -> ids_of_glob_constr [] c @ ids_of_glob_constr [] t @ acc - | GCast (c,CastCoerce) -> ids_of_glob_constr [] c @ acc - | GIf (c,(na,po),b1,b2) -> ids_of_glob_constr [] c @ ids_of_glob_constr [] b1 @ ids_of_glob_constr [] b2 @ acc - | GLetTuple (nal,(na,po),b,c) -> - List.map idof nal @ ids_of_glob_constr [] b @ ids_of_glob_constr [] c @ acc - | GCases (sty,rtntypopt,tml,brchl) -> - List.flatten (List.map (fun (_,(idl,patl,c)) -> idl @ ids_of_glob_constr [] c) brchl) - | GRec _ -> failwith "Fix inside a constructor branch" - | (GSort _ | GHole _ | GRef _ | GEvar _ | GPatVar _) -> [] - in - (* build the set *) - List.fold_left (fun acc x -> Id.Set.add x acc) Id.Set.empty (ids_of_glob_constr [] c) - - - - - -let zeta_normalize = - let rec zeta_normalize_term x = DAst.map (function - | GRef _ - | GVar _ - | GEvar _ - | GPatVar _ as rt -> rt - | GApp(rt',rtl) -> - GApp(zeta_normalize_term rt', - List.map zeta_normalize_term rtl - ) - | GLambda(name,k,t,b) -> - GLambda(name, - k, - zeta_normalize_term t, - zeta_normalize_term b - ) - | GProd(name,k,t,b) -> - GProd(name, - k, - zeta_normalize_term t, - zeta_normalize_term b - ) - | GLetIn(Name id,def,typ,b) -> - DAst.get (zeta_normalize_term (replace_var_by_term id def b)) - | GLetIn(Anonymous,def,typ,b) -> - DAst.get (zeta_normalize_term b) - | GLetTuple(nal,(na,rto),def,b) -> - GLetTuple(nal, - (na,Option.map zeta_normalize_term rto), - zeta_normalize_term def, - zeta_normalize_term b - ) - | GCases(sty,infos,el,brl) -> - GCases(sty, - infos, - List.map (fun (e,x) -> (zeta_normalize_term e,x)) el, - List.map zeta_normalize_br brl - ) - | GIf(b,(na,e_option),lhs,rhs) -> - GIf(zeta_normalize_term b, - (na,Option.map zeta_normalize_term e_option), - zeta_normalize_term lhs, - zeta_normalize_term rhs - ) - | GRec _ -> raise (UserError(None,str "Not handled GRec")) - | GSort _ - | GHole _ as rt -> rt - | GCast(b,c) -> - GCast(zeta_normalize_term b, - Miscops.map_cast_type zeta_normalize_term c) - ) x - and zeta_normalize_br (loc,(idl,patl,res)) = - (loc,(idl,patl,zeta_normalize_term res)) - in - zeta_normalize_term - - - - let expand_as = let rec add_as map rt = @@ -700,6 +545,7 @@ let expand_as = | GCases(sty,po,el,brl) -> GCases(sty, Option.map (expand_as map) po, List.map (fun (rt,t) -> expand_as map rt,t) el, List.map (expand_as_br map) brl) + | GProj(p,c) -> GProj(p, expand_as map c) ) and expand_as_br map (loc,(idl,cpl,rt)) = (loc,(idl,cpl, expand_as (List.fold_left add_as map cpl) rt)) |