(**************************************************************************)
(*                                                                        *)
(*  The Why platform for program certification                            *)
(*                                                                        *)
(*  Copyright (C) 2002-2014                                               *)
(*                                                                        *)
(*    Jean-Christophe FILLIATRE, CNRS & Univ. Paris-sud                   *)
(*    Claude MARCHE, INRIA & Univ. Paris-sud                              *)
(*    Yannick MOY, Univ. Paris-sud                                        *)
(*    Romain BARDOU, Univ. Paris-sud                                      *)
(*                                                                        *)
(*  Secondary contributors:                                               *)
(*                                                                        *)
(*    Thierry HUBERT, Univ. Paris-sud  (former Caduceus front-end)        *)
(*    Nicolas ROUSSET, Univ. Paris-sud (on Jessie & Krakatoa)             *)
(*    Ali AYAD, CNRS & CEA Saclay      (floating-point support)           *)
(*    Sylvie BOLDO, INRIA              (floating-point support)           *)
(*    Jean-Francois COUCHOT, INRIA     (sort encodings, hyps pruning)     *)
(*    Mehdi DOGGUY, Univ. Paris-sud    (Why GUI)                          *)
(*                                                                        *)
(*  This software is free software; you can redistribute it and/or        *)
(*  modify it under the terms of the GNU Lesser General Public            *)
(*  License version 2.1, with the special exception on linking            *)
(*  described in file LICENSE.                                            *)
(*                                                                        *)
(*  This software is distributed in the hope that it will be useful,      *)
(*  but WITHOUT ANY WARRANTY; without even the implied warranty of        *)
(*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.                  *)
(*                                                                        *)
(**************************************************************************)

(* ========================================================================= *)
(* Load theorem proving example code into OCaml toplevel.                    *)
(*                                                                           *)
(* Copyright (c) 2003, John Harrison. (See "LICENSE.txt" for details.)       *)
(* ========================================================================= *)

#load "nums.cma";;                                     (* For Ocaml 3.06     *)
#load "camlp4o.cma";;                                  (* For quotations     *)

(* ------------------------------------------------------------------------- *)
(* Various small tweaks to OCAML's default state.                            *)
(* ------------------------------------------------------------------------- *)

Gc.set { (Gc.get()) with Gc.stack_limit = 16777216 };; (* Up the stack size  *)
Format.set_margin 72;;                                 (* Reduce margins     *)
open Format;;                                          (* Open formatting    *)
open Num;;                                             (* Open bignums       *)
let imperative_assign = (:=);;                         (* Preserve this      *)

let print_num n = print_string(string_of_num n);;      (* Avoid range limit  *)
#install_printer print_num;;                           (* when printing nums *)

(* ------------------------------------------------------------------------- *)
(* Bind these special identifiers to something so we can just do "#use".     *)
(* ------------------------------------------------------------------------- *)

type dummy_interactive = START_INTERACTIVE | END_INTERACTIVE;;

(* ------------------------------------------------------------------------- *)
(* Set up default quotation parsers for <<...>> and <<|...|>>.               *)
(* ------------------------------------------------------------------------- *)

let quotexpander s =
  if String.sub s 0 1 = "|" & String.sub s (String.length s - 1) 1 = "|" then
    "secondary_parser \""^
    (String.escaped (String.sub s 1 (String.length s - 2)))^"\""
  else "default_parser \""^(String.escaped s)^"\"";;

Quotation.add "" (Quotation.ExStr (fun x -> quotexpander));;

#use "atp.ml"
