diff options
| -rw-r--r-- | plugins/ltac/tacinterp.ml | 8 | ||||
| -rw-r--r-- | test-suite/output/ltac_extra_args.out | 8 | ||||
| -rw-r--r-- | test-suite/output/ltac_extra_args.v | 10 |
3 files changed, 25 insertions, 1 deletions
diff --git a/plugins/ltac/tacinterp.ml b/plugins/ltac/tacinterp.ml index 8fa95ffb0..3a8526874 100644 --- a/plugins/ltac/tacinterp.ml +++ b/plugins/ltac/tacinterp.ml @@ -1394,7 +1394,13 @@ and interp_app loc ist fv largs : Val.t Ftactic.t = if List.is_empty lval then Ftactic.return v else interp_app loc ist v lval else Ftactic.return (of_tacvalue (VFun(push_appl appl largs,trace,newlfun,lvar,body))) - | _ -> fail + | (VFun(appl,trace,olfun,[],body)) -> + let extra_args = List.length largs in + Tacticals.New.tclZEROMSG (str "Illegal tactic application: got " ++ + str (string_of_int extra_args) ++ + str " extra " ++ str (String.plural extra_args "argument") ++ + str ".") + | VRec(_,_) -> fail else fail (* Gives the tactic corresponding to the tactic value *) diff --git a/test-suite/output/ltac_extra_args.out b/test-suite/output/ltac_extra_args.out new file mode 100644 index 000000000..77e799d35 --- /dev/null +++ b/test-suite/output/ltac_extra_args.out @@ -0,0 +1,8 @@ +The command has indeed failed with message: +Illegal tactic application: got 1 extra argument. +The command has indeed failed with message: +Illegal tactic application: got 2 extra arguments. +The command has indeed failed with message: +Illegal tactic application: got 1 extra argument. +The command has indeed failed with message: +Illegal tactic application: got 2 extra arguments. diff --git a/test-suite/output/ltac_extra_args.v b/test-suite/output/ltac_extra_args.v new file mode 100644 index 000000000..4caf619fe --- /dev/null +++ b/test-suite/output/ltac_extra_args.v @@ -0,0 +1,10 @@ +Ltac foo := idtac. +Ltac bar H := idtac. + +Goal True. +Proof. + Fail foo H. + Fail foo H H'. + Fail bar H H'. + Fail bar H H' H''. +Abort. |