diff options
Diffstat (limited to 'pretyping')
| -rw-r--r-- | pretyping/termops.ml | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/pretyping/termops.ml b/pretyping/termops.ml index 5c94399336..9b36310c08 100644 --- a/pretyping/termops.ml +++ b/pretyping/termops.ml @@ -1034,21 +1034,20 @@ let concrete_let_name avoid_flags l env_names n c = let fresh_id = next_name_not_occuring avoid_flags n l env_names c in (Name fresh_id, fresh_id::l) -let rec rename_bound_var env l c = - match kind_of_term c with - | Prod (Name s,c1,c2) -> - if noccurn 1 c2 then - let env' = push_rel (Name s,None,c1) env in - mkProd (Name s, c1, rename_bound_var env' l c2) - else - let s' = next_ident_away s (global_vars env c2@l) in - let env' = push_rel (Name s',None,c1) env in - mkProd (Name s', c1, rename_bound_var env' (s'::l) c2) - | Prod (Anonymous,c1,c2) -> - let env' = push_rel (Anonymous,None,c1) env in - mkProd (Anonymous, c1, rename_bound_var env' l c2) - | Cast (c,k,t) -> mkCast (rename_bound_var env l c, k,t) - | x -> c +let rec rename_bound_var env avoid c = + let env_names = names_of_rel_context env in + let rec rename avoid c = + match kind_of_term c with + | Prod (na,c1,c2) -> + let na',avoid' = concrete_name (Some true) avoid env_names na c2 in + mkProd (na', c1, rename avoid' c2) + | LetIn (na,c1,t,c2) -> + let na',avoid' = concrete_let_name (Some true) avoid env_names na c2 in + mkLetIn (na',c1,t, rename avoid' c2) + | Cast (c,k,t) -> mkCast (rename avoid c, k,t) + | _ -> c + in + rename avoid c (* Combinators on judgments *) |