diff options
Diffstat (limited to 'pretyping')
| -rw-r--r-- | pretyping/evd.ml | 7 | ||||
| -rw-r--r-- | pretyping/evd.mli | 1 | ||||
| -rw-r--r-- | pretyping/reductionops.ml | 5 |
3 files changed, 10 insertions, 3 deletions
diff --git a/pretyping/evd.ml b/pretyping/evd.ml index c583a0b228..e044c17a99 100644 --- a/pretyping/evd.ml +++ b/pretyping/evd.ml @@ -512,11 +512,16 @@ let metas_of evd = | (n,Cltyp (_,typ)) -> (n,typ.rebus)) (meta_list evd) +let meta_opt_fvalue evd mv = + match Metamap.find mv evd.metas with + | Clval(_,b,_) -> Some b + | Cltyp _ -> None + let meta_defined evd mv = match Metamap.find mv evd.metas with | Clval _ -> true | Cltyp _ -> false - + let meta_fvalue evd mv = match Metamap.find mv evd.metas with | Clval(_,b,_) -> b diff --git a/pretyping/evd.mli b/pretyping/evd.mli index d74d214463..7f5a4060b1 100644 --- a/pretyping/evd.mli +++ b/pretyping/evd.mli @@ -183,6 +183,7 @@ val meta_defined : evar_defs -> metavariable -> bool (* [meta_fvalue] raises [Not_found] if meta not in map or [Anomaly] if meta has no value *) val meta_fvalue : evar_defs -> metavariable -> constr freelisted * instance_status +val meta_opt_fvalue : evar_defs -> metavariable -> (constr freelisted * instance_status) option val meta_ftype : evar_defs -> metavariable -> constr freelisted val meta_name : evar_defs -> metavariable -> name val meta_with_name : evar_defs -> identifier -> metavariable diff --git a/pretyping/reductionops.ml b/pretyping/reductionops.ml index 617bd77174..c7af265ce8 100644 --- a/pretyping/reductionops.ml +++ b/pretyping/reductionops.ml @@ -929,8 +929,9 @@ let meta_value evd mv = let meta_reducible_instance evd b = let fm = Metaset.elements b.freemetas in let metas = List.fold_left (fun l mv -> - try let g,(_,s) = meta_fvalue evd mv in (mv,(g.rebus,s))::l - with Anomaly _ | Not_found -> l) [] fm in + match (try meta_opt_fvalue evd mv with Not_found -> None) with + | Some (g,(_,s)) -> (mv,(g.rebus,s))::l + | None -> l) [] in let rec irec u = let u = whd_betaiota u in match kind_of_term u with |