diff options
Diffstat (limited to 'interp')
| -rw-r--r-- | interp/constrintern.ml | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/interp/constrintern.ml b/interp/constrintern.ml index c46cad89be..a3448d74fe 100644 --- a/interp/constrintern.ml +++ b/interp/constrintern.ml @@ -510,12 +510,17 @@ let maybe_constructor ref = str " is understood as a pattern variable"); VarPat (find_pattern_variable ref) +let mustbe_constructor loc ref = + try find_constructor ref + with (Environ.NotEvaluableConst _ | Not_found) -> + raise (InternalisationError (loc,NotAConstructor ref)) + let rec intern_cases_pattern scopes aliases tmp_scope = function | CPatAlias (loc, p, id) -> let aliases' = merge_aliases aliases id in intern_cases_pattern scopes aliases' tmp_scope p | CPatCstr (loc, head, pl) -> - let c,pl0 = find_constructor head in + let c,pl0 = mustbe_constructor loc head in let argscs = simple_adjust_scopes (find_arguments_scope (ConstructRef c), pl) in let (idsl,pl') = |