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Wrong destructor for mutually recursive ADT #1009

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merged 1 commit into from
Dec 12, 2023
Merged

Wrong destructor for mutually recursive ADT #1009

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9 changes: 5 additions & 4 deletions src/lib/frontend/d_cnf.ml
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Original file line number Diff line number Diff line change
Expand Up @@ -1081,18 +1081,19 @@ let rec mk_expr

| B.Destructor { case; field; adt; _ }, [x] ->
begin match DT.definition adt with
| Some (Adt { cases; record; _ }) ->
| Some (Adt { cases; _ }) ->
begin match cases.(case).dstrs.(field) with
| Some { path; _ } ->
let name = get_basename path in
let ty = dty_to_ty term_ty in
let e = aux_mk_expr x in
let sy =
if record || Array.length cases = 1
then
match Cache.find_ty (DE.Ty.Const.hash adt) with
| Trecord _ ->
Sy.Op (Sy.Access (Hstring.make name))
else
| Tadt _ ->
Sy.destruct ~guarded:true name
| _ -> assert false
in
E.mk_term sy [e] ty
| _ ->
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2 changes: 1 addition & 1 deletion src/lib/structures/ty.mli
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Expand Up @@ -175,7 +175,7 @@ val t_adt :
?body: ((string * (string * t) list) list) option ->
string -> t list ->
t
(** Crearte and algebraic datatype. The body is a list of
(** Create an algebraic datatype. The body is a list of
constructors, where each constructor is associated with the list of
its destructors with their respective types. If [body] is none,
then no definition will be registered for this type. The second
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