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authorGravatar herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7>2000-11-29 11:29:48 +0000
committerGravatar herbelin <herbelin@85f007b7-540e-0410-9357-904b9bb8a0f7>2000-11-29 11:29:48 +0000
commitc540f6dea7b1a525a4b927a37ffba64d11a8b02a (patch)
tree8e7fe9e4bf1881ee566b7c8adbf73dec33796def /kernel/typeops.ml
parent52d04b41a0fba7c9649b45f5684a0318b1004c8b (diff)
Déplacement du message d'erreur de gen_rel vers l'appelant pour le prétypage
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@1011 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'kernel/typeops.ml')
-rw-r--r--kernel/typeops.ml22
1 files changed, 7 insertions, 15 deletions
diff --git a/kernel/typeops.ml b/kernel/typeops.ml
index 860153ef4..dceda45df 100644
--- a/kernel/typeops.ml
+++ b/kernel/typeops.ml
@@ -259,28 +259,20 @@ let abs_rel env sigma name var j =
uj_type = mkProd (name, var, j.uj_type) },
Constraint.empty
-(* [gen_rel env sigma name (typ1,s1) j] implements the rule
+(* [gen_rel env sigma name (typ1,s1) (typ2,s2)] implements the rule
- env |- typ1:s1 env, name:typ |- j.uj_val : j.uj_type
+ env |- typ1:s1 env, name:typ |- typ2 : s2
-------------------------------------------------------------------------
s' >= (s1,s2), env |- (name:typ)j.uj_val : s'
where j.uj_type is convertible to a sort s2
*)
-let gen_rel env sigma name {utj_val = t1; utj_type = s1} j =
- match kind_of_term (whd_betadeltaiota env sigma j.uj_type) with
- | IsSort s ->
- let (s',g) = sort_of_product s1 s (universes env) in
- { uj_val = mkProd (name, t1, j.uj_val);
- uj_type = mkSort s' },
- g
- | _ ->
-(* if is_small (level_of_type j.uj_type) then (* message historique ?? *)
- error "Proof objects can only be abstracted"
- else
-*)
- error_generalization CCI env sigma (name,t1) j
+let gen_rel env sigma name t1 t2 =
+ let (s,g) = sort_of_product t1.utj_type t2.utj_type (universes env) in
+ { uj_val = mkProd (name, t1.utj_val, t2.utj_val);
+ uj_type = mkSort s },
+ g
(* [cast_rel env sigma (typ1,s1) j] implements the rule