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|
let rec pp fmt =
function
| `Null -> Format.pp_print_string fmt "`Null"
| `Bool x ->
Format.fprintf fmt "`Bool (@[<hov>";
Format.fprintf fmt "%B" x;
Format.fprintf fmt "@])"
#ifdef INT
| `Int x ->
Format.fprintf fmt "`Int (@[<hov>";
Format.fprintf fmt "%d" x;
Format.fprintf fmt "@])"
#endif
#ifdef INTLIT
| `Intlit x ->
Format.fprintf fmt "`Intlit (@[<hov>";
Format.fprintf fmt "%S" x;
Format.fprintf fmt "@])"
#endif
#ifdef FLOAT
| `Float x ->
Format.fprintf fmt "`Float (@[<hov>";
Format.fprintf fmt "%F" x;
Format.fprintf fmt "@])"
#endif
#ifdef FLOATLIT
| `Floatlit x ->
Format.fprintf fmt "`Floatlit (@[<hov>";
Format.fprintf fmt "%S" x;
Format.fprintf fmt "@])"
#endif
#ifdef STRING
| `String x ->
Format.fprintf fmt "`String (@[<hov>";
Format.fprintf fmt "%S" x;
Format.fprintf fmt "@])"
#endif
#ifdef STRINGLIT
| `Stringlit x ->
Format.fprintf fmt "`Stringlit (@[<hov>";
Format.fprintf fmt "%S" x;
Format.fprintf fmt "@])"
#endif
| `Assoc xs ->
Format.fprintf fmt "`Assoc (@[<hov>";
Format.fprintf fmt "@[<2>[";
ignore (List.fold_left
(fun sep (key, value) ->
if sep then
Format.fprintf fmt ";@ ";
Format.fprintf fmt "(@[";
Format.fprintf fmt "%S" key;
Format.fprintf fmt ",@ ";
pp fmt value;
Format.fprintf fmt "@])";
true) false xs);
Format.fprintf fmt "@,]@]";
Format.fprintf fmt "@])"
| `List xs ->
Format.fprintf fmt "`List (@[<hov>";
Format.fprintf fmt "@[<2>[";
ignore (List.fold_left
(fun sep x ->
if sep then
Format.fprintf fmt ";@ ";
pp fmt x;
true) false xs);
Format.fprintf fmt "@,]@]";
Format.fprintf fmt "@])"
#ifdef TUPLE
| `Tuple tup ->
Format.fprintf fmt "`Tuple (@[<hov>";
Format.fprintf fmt "@[<2>[";
ignore (List.fold_left
(fun sep e ->
if sep then
Format.fprintf fmt ";@ ";
pp fmt e;
true) false tup);
Format.fprintf fmt "@,]@]";
Format.fprintf fmt "@])"
#endif
#ifdef VARIANT
| `Variant (name, value) ->
Format.fprintf fmt "`Variant (@[<hov>";
Format.fprintf fmt "(@[";
Format.fprintf fmt "%S" name;
Format.fprintf fmt ",@ ";
(match value with
| None -> Format.pp_print_string fmt "None"
| Some x ->
Format.pp_print_string fmt "(Some ";
pp fmt x;
Format.pp_print_string fmt ")");
Format.fprintf fmt "@])";
Format.fprintf fmt "@])"
#endif
let show x =
Format.asprintf "%a" pp x
let rec equal a b =
match a, b with
| `Null, `Null -> true
| `Bool a, `Bool b -> a = b
#ifdef INT
| `Int a, `Int b -> a = b
#endif
#ifdef INTLIT
| `Intlit a, `Intlit b -> a = b
#endif
#ifdef FLOAT
| `Float a, `Float b -> a = b
#endif
#ifdef FLOATLIT
| `Floatlit a, `Floatlit b -> a = b
#endif
#ifdef STRING
| `String a, `String b -> a = b
#endif
#ifdef STRINGLIT
| `Stringlit a, `Stringlit b -> a = b
#endif
| `Assoc xs, `Assoc ys ->
let compare_keys = fun (key, _) (key', _) -> String.compare key key' in
let xs = List.stable_sort compare_keys xs in
let ys = List.stable_sort compare_keys ys in
(match List.for_all2 (fun (key, value) (key', value') ->
match key = key' with
| false -> false
| true -> equal value value') xs ys with
| result -> result
| exception Invalid_argument _ ->
(* the lists were of different lengths, thus unequal *)
false)
#ifdef TUPLE
| `Tuple xs, `Tuple ys
#endif
| `List xs, `List ys ->
(match List.for_all2 equal xs ys with
| result -> result
| exception Invalid_argument _ ->
(* the lists were of different lengths, thus unequal *)
false)
#ifdef VARIANT
| `Variant (name, value), `Variant (name', value') ->
(match name = name' with
| false -> false
| true ->
match value, value' with
| None, None -> true
| Some x, Some y -> equal x y
| _ -> false)
#endif
| _ -> false
|
