(* Auto-generated from "classic_sum_types.atd" by atdml. *)

type shape =
  | Circle of float
  | Rect of (float * float)
  | Point
  | ArcShape of float

val shape_of_yojson : Yojson.Safe.t -> shape
val shape_of_jsonlike : Atd_jsonlike.AST.t -> shape
val yojson_of_shape : shape -> Yojson.Safe.t
val shape_of_json : string -> shape
val json_of_shape : shape -> string

module Shape : sig
  type nonrec t = shape
  val of_yojson : Yojson.Safe.t -> t
  val of_jsonlike : Atd_jsonlike.AST.t -> t
  val to_yojson : t -> Yojson.Safe.t
  val of_json : string -> t
  val to_json : t -> string
end

type shapes = shape list

val shapes_of_yojson : Yojson.Safe.t -> shapes
val shapes_of_jsonlike : Atd_jsonlike.AST.t -> shapes
val yojson_of_shapes : shapes -> Yojson.Safe.t
val shapes_of_json : string -> shapes
val json_of_shapes : shapes -> string

module Shapes : sig
  type nonrec t = shapes
  val of_yojson : Yojson.Safe.t -> t
  val of_jsonlike : Atd_jsonlike.AST.t -> t
  val to_yojson : t -> Yojson.Safe.t
  val of_json : string -> t
  val to_json : t -> string
end

--- ml ---
(* Auto-generated from "classic_sum_types.atd" by atdml. *)
[@@@ocaml.warning "-27-32-33-35-39"]

(* Inlined runtime — no external dependency needed. *)
module Atdml_runtime = struct
  (* Returns true iff the list has strictly more than [n] elements,
     without traversing past element n+1. *)
  let rec list_length_gt n = function
    | _ :: rest -> if n = 0 then true else list_length_gt (n - 1) rest
    | [] -> false

  module Yojson = struct
    let bad_type expected_type x =
      Printf.ksprintf failwith "expected %s, got: %s"
        expected_type (Yojson.Safe.to_string x)

    let bad_sum type_name x =
      Printf.ksprintf failwith "invalid variant for type '%s': %s"
        type_name (Yojson.Safe.to_string x)

    let missing_field type_name field_name =
      Printf.ksprintf failwith "missing field '%s' in object of type '%s'"
        field_name type_name

    let bool_of_yojson = function
      | `Bool b -> b
      | x -> bad_type "bool" x

    let yojson_of_bool b = `Bool b

    let int_of_yojson = function
      | `Int n -> n
      | x -> bad_type "int" x

    let yojson_of_int n = `Int n

    let float_of_yojson = function
      | `Float f -> f
      | `Int n -> Float.of_int n
      | x -> bad_type "float" x

    let yojson_of_float f = `Float f

    let string_of_yojson = function
      | `String s -> s
      | x -> bad_type "string" x

    let yojson_of_string s = `String s

    let unit_of_yojson = function
      | `Null -> ()
      | x -> bad_type "null" x

    let yojson_of_unit () = `Null

    let list_of_yojson f = function
      | `List xs -> List.map f xs
      | x -> bad_type "array" x

    let yojson_of_list f xs = `List (List.map f xs)

    let option_of_yojson f = function
      | `String "None" -> None
      | `List [`String "Some"; x] -> Some (f x)
      | x -> bad_type "option" x

    let yojson_of_option f = function
      | None -> `String "None"
      | Some x -> `List [`String "Some"; f x]

    let nullable_of_yojson f = function
      | `Null -> None
      | x -> Some (f x)

    let yojson_of_nullable f = function
      | None -> `Null
      | Some x -> f x

    let assoc_of_yojson f = function
      | `Assoc pairs -> List.map (fun (k, v) -> (k, f v)) pairs
      | x -> bad_type "object" x

    let yojson_of_assoc f xs =
      `Assoc (List.map (fun (k, v) -> (k, f v)) xs)
  end

  module Jsonlike = struct
    let bad_type expected_type x =
      Printf.ksprintf failwith "%sexpected %s"
        (Atd_jsonlike.AST.loc_msg x) expected_type

    let bad_sum type_name x =
      Printf.ksprintf failwith "%sinvalid variant for type '%s'"
        (Atd_jsonlike.AST.loc_msg x) type_name

    let missing_field node type_name field_name =
      Printf.ksprintf failwith "%smissing field '%s' in object of type '%s'"
        (Atd_jsonlike.AST.loc_msg node) field_name type_name

    let bool_of_jsonlike = function
      | Atd_jsonlike.AST.Bool (_, b) -> b
      | x -> bad_type "bool" x

    let int_of_jsonlike = function
      | Atd_jsonlike.AST.Number (_, n) as node ->
          (match n.Atd_jsonlike.Number.int with
          | Some i -> i
          | None -> bad_type "integer" node)
      | x -> bad_type "int" x

    let float_of_jsonlike = function
      | Atd_jsonlike.AST.Number (_, n) as node ->
          (match n.Atd_jsonlike.Number.float with
          | Some f -> f
          | None -> bad_type "float" node)
      | x -> bad_type "float" x

    let string_of_jsonlike = function
      | Atd_jsonlike.AST.String (_, s) -> s
      | x -> bad_type "string" x

    let unit_of_jsonlike = function
      | Atd_jsonlike.AST.Null _ -> ()
      | x -> bad_type "null" x

    let list_of_jsonlike f = function
      | Atd_jsonlike.AST.Array (_, xs) -> List.map f xs
      | x -> bad_type "array" x

    let option_of_jsonlike f = function
      | Atd_jsonlike.AST.String (_, "None") -> None
      | Atd_jsonlike.AST.Array (_, [Atd_jsonlike.AST.String (_, "Some"); x]) -> Some (f x)
      | x -> bad_type "option" x

    let nullable_of_jsonlike f = function
      | Atd_jsonlike.AST.Null _ -> None
      | x -> Some (f x)

    let assoc_of_jsonlike f = function
      | Atd_jsonlike.AST.Object (_, pairs) ->
          List.map (fun (_, k, v) -> (k, f v)) pairs
      | x -> bad_type "object" x
  end
end

type shape =
  | Circle of float
  | Rect of (float * float)
  | Point
  | ArcShape of float

let shape_of_yojson (x : Yojson.Safe.t) : shape =
  match x with
  | `List [`String "Circle"; v] -> Circle (Atdml_runtime.Yojson.float_of_yojson v)
  | `List [`String "rectangle"; v] -> Rect ((fun x -> match x with | `List lst when List.length lst = 2 -> (Atdml_runtime.Yojson.float_of_yojson (List.nth lst 0), Atdml_runtime.Yojson.float_of_yojson (List.nth lst 1)) | _ -> Atdml_runtime.Yojson.bad_type "tuple" x) v)
  | `String "Dot" -> Point
  | `List [`String "arc"; v] -> ArcShape (Atdml_runtime.Yojson.float_of_yojson v)
  | _ -> Atdml_runtime.Yojson.bad_sum "shape" x

let shape_of_jsonlike (x : Atd_jsonlike.AST.t) : shape =
  match x with
  | Atd_jsonlike.AST.Array (_, [Atd_jsonlike.AST.String (_, "Circle"); v]) -> Circle (Atdml_runtime.Jsonlike.float_of_jsonlike v)
  | Atd_jsonlike.AST.Array (_, [Atd_jsonlike.AST.String (_, "rectangle"); v]) -> Rect ((fun x -> match x with | Atd_jsonlike.AST.Array (_, lst) when List.length lst = 2 -> (Atdml_runtime.Jsonlike.float_of_jsonlike (List.nth lst 0), Atdml_runtime.Jsonlike.float_of_jsonlike (List.nth lst 1)) | _ -> Atdml_runtime.Jsonlike.bad_type "tuple" x) v)
  | Atd_jsonlike.AST.String (_, "Dot") -> Point
  | Atd_jsonlike.AST.Array (_, [Atd_jsonlike.AST.String (_, "arc"); v]) -> ArcShape (Atdml_runtime.Jsonlike.float_of_jsonlike v)
  | _ -> Atdml_runtime.Jsonlike.bad_sum "shape" x

let yojson_of_shape (x : shape) : Yojson.Safe.t =
  match x with
  | Circle v -> `List [`String "Circle"; Atdml_runtime.Yojson.yojson_of_float v]
  | Rect v -> `List [`String "rectangle"; (fun (x0, x1) -> `List [Atdml_runtime.Yojson.yojson_of_float x0; Atdml_runtime.Yojson.yojson_of_float x1]) v]
  | Point -> `String "Dot"
  | ArcShape v -> `List [`String "arc"; Atdml_runtime.Yojson.yojson_of_float v]

let shape_of_json s =
  shape_of_yojson (Yojson.Safe.from_string s)

let json_of_shape x =
  Yojson.Safe.to_string (yojson_of_shape x)

module Shape = struct
  type nonrec t = shape
  let of_yojson = shape_of_yojson
  let of_jsonlike = shape_of_jsonlike
  let to_yojson = yojson_of_shape
  let of_json = shape_of_json
  let to_json = json_of_shape
end

type shapes = shape list

let shapes_of_yojson (x : Yojson.Safe.t) : shapes =
  (Atdml_runtime.Yojson.list_of_yojson shape_of_yojson) x

let shapes_of_jsonlike (x : Atd_jsonlike.AST.t) : shapes =
  (Atdml_runtime.Jsonlike.list_of_jsonlike shape_of_jsonlike) x

let yojson_of_shapes (x : shapes) : Yojson.Safe.t =
  (Atdml_runtime.Yojson.yojson_of_list yojson_of_shape) x

let shapes_of_json s =
  shapes_of_yojson (Yojson.Safe.from_string s)

let json_of_shapes x =
  Yojson.Safe.to_string (yojson_of_shapes x)

module Shapes = struct
  type nonrec t = shapes
  let of_yojson = shapes_of_yojson
  let of_jsonlike = shapes_of_jsonlike
  let to_yojson = yojson_of_shapes
  let of_json = shapes_of_json
  let to_json = json_of_shapes
end

--- Input:
[ [ "Circle", 1 ], [ "rectangle", [ 1.2, 3 ] ], "Dot", [ "arc", 3.0 ] ]
--- Output:
[ [ "Circle", 1.0 ], [ "rectangle", [ 1.2, 3.0 ] ], "Dot", [ "arc", 3.0 ] ]
