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authorGravatar barras <barras@85f007b7-540e-0410-9357-904b9bb8a0f7>2004-09-03 17:14:02 +0000
committerGravatar barras <barras@85f007b7-540e-0410-9357-904b9bb8a0f7>2004-09-03 17:14:02 +0000
commit85fb5f33b1cac28e1fe4f00741c66f6f58109f84 (patch)
tree4913998a925cb148c74a607bf7523ae1d28853ce /pretyping/pretype_errors.ml
parent31ebb89fe48efe92786b1cddc3ba62e7dfc4e739 (diff)
premiere reorganisation de l\'unification
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@6057 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'pretyping/pretype_errors.ml')
-rw-r--r--pretyping/pretype_errors.ml12
1 files changed, 12 insertions, 0 deletions
diff --git a/pretyping/pretype_errors.ml b/pretyping/pretype_errors.ml
index 07d72c89e..d7407c5d1 100644
--- a/pretyping/pretype_errors.ml
+++ b/pretyping/pretype_errors.ml
@@ -26,6 +26,9 @@ type pretype_error =
| OccurCheck of existential_key * constr
| NotClean of existential_key * constr * hole_kind
| UnsolvableImplicit of hole_kind
+ | CannotUnify of constr * constr
+ | CannotGeneralize of constr
+ | NoOccurrenceFound of constr
(* Pretyping *)
| VarNotFound of identifier
| UnexpectedType of constr * constr
@@ -33,6 +36,12 @@ type pretype_error =
exception PretypeError of env * pretype_error
+let precatchable_exception = function
+ | Util.UserError _ | TypeError _ | PretypeError _
+ | Stdpp.Exc_located(_,(Util.UserError _ | TypeError _ |
+ Nametab.GlobalizationError _ | PretypeError _)) -> true
+ | _ -> false
+
let nf_evar = Reductionops.nf_evar
let j_nf_evar sigma j =
{ uj_val = nf_evar sigma j.uj_val;
@@ -141,6 +150,9 @@ let error_not_clean env sigma ev c (loc,k) =
let error_unsolvable_implicit loc env sigma e =
raise_with_loc loc (PretypeError (env_ise sigma env, UnsolvableImplicit e))
+let error_cannot_unify env sigma (m,n) =
+ raise (PretypeError (env_ise sigma env,CannotUnify (m,n)))
+
(*s Ml Case errors *)
let error_cant_find_case_type_loc loc env sigma expr =