module A = Tiger_absyn
module Env = Tiger_env
module E = Tiger_error
-module Symbol = Tiger_symbol
module Translate = Tiger_translate
module Type = Tiger_env_type
module Value = Tiger_env_value
| A.CallExp {func; args; pos} ->
(match env_get_val ~sym:func ~env ~pos with
| Value.Fun {formals; result} ->
- List.iter2 formals args ~f:(fun ty_expected exp_given ->
- check_same (return (actual_ty ~pos ty_expected)) (trexp exp_given) ~pos;
- );
- return (actual_ty ~pos result)
+ let expected = List.length formals in
+ let given = List.length args in
+ if given = expected then
+ begin
+ List.iter2 formals args ~f:(fun ty_expected exp_given ->
+ check_same
+ (return (actual_ty ~pos ty_expected))
+ (trexp exp_given)
+ ~pos;
+ );
+ return (actual_ty ~pos result)
+ end
+ else
+ E.raise (E.Wrong_number_of_args {func; expected; given; pos})
| Value.Var _ ->
E.raise (E.Id_not_a_function {id=func; pos})
)
List.iter typedecs ~f:(fun (A.TypeDec {name; ty=ty_exp; pos}) ->
let ty = transTy ~env ty_exp in
(match env_get_typ ~sym:name ~env ~pos with
- | Type.Name (name, ty_opt_ref) ->
+ | Type.Name (_, ty_opt_ref) ->
ty_opt_ref := Some ty
| Type.Unit
| Type.Nil