diff options
Diffstat (limited to 'interp/constrintern.ml')
| -rw-r--r-- | interp/constrintern.ml | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/interp/constrintern.ml b/interp/constrintern.ml index 3a88284e46..848180743f 100644 --- a/interp/constrintern.ml +++ b/interp/constrintern.ml @@ -820,11 +820,11 @@ let split_by_type ids subst = | NtnTypeConstr -> let terms,terms' = bind id scl terms terms' in (terms,termlists,binders,binderlists),(terms',termlists',binders',binderlists') - | NtnTypeBinder NtnBinderParsedAsConstr (Extend.AsIdentOrPattern | Extend.AsStrictPattern) -> + | NtnTypeBinder NtnBinderParsedAsConstr (AsIdentOrPattern | AsStrictPattern) -> let a,terms = match terms with a::terms -> a,terms | _ -> assert false in let binders' = Id.Map.add id (coerce_to_cases_pattern_expr a,(false,scl)) binders' in (terms,termlists,binders,binderlists),(terms',termlists',binders',binderlists') - | NtnTypeBinder NtnBinderParsedAsConstr Extend.AsIdent -> + | NtnTypeBinder NtnBinderParsedAsConstr AsIdent -> let a,terms = match terms with a::terms -> a,terms | _ -> assert false in let binders' = Id.Map.add id (cases_pattern_of_name (coerce_to_name a),(true,scl)) binders' in (terms,termlists,binders,binderlists),(terms',termlists',binders',binderlists') @@ -999,7 +999,7 @@ let intern_qualid qid intern env ntnvars us args = match intern_extended_global_of_qualid qid with | TrueGlobal ref -> (DAst.make ?loc @@ GRef (ref, us)), true, args | SynDef sp -> - let (ids,c) = Syntax_def.search_syntactic_definition sp in + let (ids,c) = Syntax_def.search_syntactic_definition ?loc sp in let nids = List.length ids in if List.length args < nids then error_not_enough_arguments ?loc; let args1,args2 = List.chop nids args in @@ -1141,9 +1141,18 @@ let check_number_of_pattern loc n l = if not (Int.equal n p) then raise (InternalizationError (loc,BadPatternsNumber (n,p))) let check_or_pat_variables loc ids idsl = - if List.exists (fun ids' -> not (List.eq_set (fun {loc;v=id} {v=id'} -> Id.equal id id') ids ids')) idsl then - user_err ?loc (str - "The components of this disjunctive pattern must bind the same variables.") + let eq_id {v=id} {v=id'} = Id.equal id id' in + (* Collect remaining patterns which do not have the same variables as the first pattern *) + let idsl = List.filter (fun ids' -> not (List.eq_set eq_id ids ids')) idsl in + match idsl with + | ids'::_ -> + (* Look for an [id] which is either in [ids] and not in [ids'] or in [ids'] and not in [ids] *) + let ids'' = List.subtract eq_id ids ids' in + let ids'' = if ids'' = [] then List.subtract eq_id ids' ids else ids'' in + user_err ?loc + (strbrk "The components of this disjunctive pattern must bind the same variables (" ++ + Id.print (List.hd ids'').v ++ strbrk " is not bound in all patterns).") + | [] -> () (** Use only when params were NOT asked to the user. @return if letin are included *) |