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(*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*)
(** Global namespace intended to be opened in each source file *)
include NS0
(** Failures *)
let fail = Trace.fail
exception Unimplemented of string
let todo fmt = Trace.raisef (fun msg -> Unimplemented msg) fmt
let warn fmt =
let fs = Format.std_formatter in
Format.pp_open_box fs 2 ;
Format.pp_print_string fs "Warning: " ;
Format.kfprintf
(fun fs () ->
Format.pp_close_box fs () ;
Format.pp_force_newline fs () )
fs fmt
(** Assertions *)
let assertf cnd fmt =
if not cnd then fail fmt
else Format.ikfprintf (fun _ () -> ()) Format.str_formatter fmt
let checkf cnd fmt =
if not cnd then fail fmt
else Format.ikfprintf (fun _ () -> true) Format.str_formatter fmt
let check f x =
assert (
f x ;
true ) ;
x
let violates f x =
assert (
f x ;
true ) ;
assert false
(** Extensions *)
module Invariant = struct
include Core.Invariant
let invariant here t sexp_of_t f =
assert (
( try f ()
with exn ->
let bt = Printexc.get_raw_backtrace () in
let exn =
Error.to_exn
(Error.create_s
(Sexp.List
[ Atom "invariant failed"
; sexp_of_exn exn
; Source_code_position.sexp_of_t here
; sexp_of_t t ]))
in
Printexc.raise_with_backtrace exn bt ) ;
true )
end
(** Containers *)
module Option = Option
include Option.Monad_infix
include Option.Monad_syntax
module List = List
module Array = struct
include Core.Array
let pp sep pp_elt fs a = List.pp sep pp_elt fs (to_list a)
let fold_map_inplace a ~init ~f =
let s = ref init in
let f x =
let s', x' = f !s x in
s := s' ;
x'
in
map_inplace a ~f ;
!s
end
module IArray = IArray
include IArray.Import
module Set = Set
module Map = Map
module Qset = Qset
(** Data types *)
module String = struct
include (
Core.String :
sig
include
module type of Core.String with module Map := Core.String.Map
end )
module Map = Map.Make (Core.String)
end
module Q = struct
let pp = Q.pp_print
let hash = Hashtbl.hash
let hash_fold_t s q = Int.hash_fold_t s (hash q)
let sexp_of_t q = Sexp.Atom (Q.to_string q)
let t_of_sexp = function
| Sexp.Atom s -> Q.of_string s
| _ -> assert false
let of_z = Q.of_bigint
include Q
end
module Z = struct
let pp = Z.pp_print
let hash = [%hash: Z.t]
let hash_fold_t s z = Int.hash_fold_t s (hash z)
let sexp_of_t z = Sexp.Atom (Z.to_string z)
let t_of_sexp = function
| Sexp.Atom s -> Z.of_string s
| _ -> assert false
(* the signed 1-bit integers are -1 and 0 *)
let true_ = Z.minus_one
let false_ = Z.zero
let of_bool = function true -> true_ | false -> false_
let is_true = Z.equal true_
let is_false = Z.equal false_
include Z
end
module Timer = Timer