Revision 322c73366a9198d5bd6be08e91b729c775761821 authored by Diane Gallois-Wong on 31 August 2022, 15:57:02 UTC, committed by Marge Bot on 06 September 2022, 08:21:04 UTC
Notably, remove plugin tests on 1M, since the plugin is no longer responsible for enforcing 1M. Similar tests on 1M already exist in tezt, and will be extended in the next commit to cover all the cases of the removed tests.
1 parent 995112f
slot_repr.ml
(*****************************************************************************)
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(*****************************************************************************)
type error += Invalid_slot of int
let () =
register_error_kind
`Permanent
~id:"slot.invalid_slot"
~title:"invalid slot"
~description:"Invalid slot"
~pp:(fun ppf x -> Format.fprintf ppf "invalid slot: %d" x)
Data_encoding.(obj1 (req "bad_slot" int31))
(function Invalid_slot x -> Some x | _ -> None)
(fun x -> Invalid_slot x)
include Compare.Int
type slot = t
(* TODO? should there be some assertions to verify that slots are
never too big ? Or do that in a storage module that depends on
constants ? *)
let encoding = Data_encoding.uint16
let pp = Format.pp_print_int
let zero = 0
let to_int x = x
(* We assume 2^16 slots is big enough.
We could increase that, but we would need to make sure there is no big
performance penalty first. *)
let max_value = (1 lsl 16) - 1
let of_int_do_not_use_except_for_parameters i = i
let of_int i =
if Compare.Int.(i < 0 || i > max_value) then error (Invalid_slot i) else ok i
let succ slot = of_int (slot + 1)
module Map = Map.Make (Compare.Int)
module Set = Set.Make (Compare.Int)
module Range = struct
(* For now, we only need full intervals. If we ever need sparse ones, we
could switch this representation to interval trees. [hi] and [lo] bounds
are included. *)
type t = Interval of {lo : int; hi : int}
let create ~min ~count =
error_when (min < 0) (Invalid_slot min) >>? fun () ->
error_when (min > max_value) (Invalid_slot min) >>? fun () ->
error_when (count < 1) (Invalid_slot count) >>? fun () ->
error_when (count > max_value) (Invalid_slot count) >>? fun () ->
let max = min + count - 1 in
error_when (max > max_value) (Invalid_slot max) >>? fun () ->
ok (Interval {lo = min; hi = max})
let fold f init (Interval {lo; hi}) =
let rec loop ~acc ~next =
if Compare.Int.(next > hi) then acc
else loop ~acc:(f acc next) ~next:(next + 1)
in
loop ~acc:(f init lo) ~next:(lo + 1)
let fold_es f init (Interval {lo; hi}) =
let rec loop ~acc ~next =
if Compare.Int.(next > hi) then return acc
else f acc next >>=? fun acc -> loop ~acc ~next:(next + 1)
in
f init lo >>=? fun acc -> loop ~acc ~next:(lo + 1)
let rev_fold_es f init (Interval {lo; hi}) =
let rec loop ~acc ~next =
if Compare.Int.(next < lo) then return acc
else f acc next >>=? fun acc -> loop ~acc ~next:(next - 1)
in
f init hi >>=? fun acc -> loop ~acc ~next:(hi - 1)
end
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