CristalCaveGem » LustreC

(* ----------------------------------------------------------------------------

 * SchedMCore - A MultiCore Scheduling Framework

 * Copyright (C) 2009-2011, ONERA, Toulouse, FRANCE - LIFL, Lille, FRANCE

 *

 * This file is part of Prelude

 *

 * Prelude is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public License

 * as published by the Free Software Foundation ; either version 2 of

 * the License, or (at your option) any later version.

 *

 * Prelude 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. See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this program ; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307

 * USA

 *---------------------------------------------------------------------------- *)

(** Generic inference environments. Used both for typing and

    clock-calculus. *)

open Utils

(* Same namespace for nodes, variables and constants *)

let initial = IMap.empty

let add_value env ident ty =

  IMap.add ident ty env

let lookup_value env ident =

  IMap.find ident env

let exists_value env ident =

  IMap.mem ident env

let overwrite x y =

  IMap.merge (

    fun k _old _new -> match _new with

      | Some _ -> _new

      | _ -> _old

  ) x y

open Format

let pp_env pp_fun fmt env =

  let (lid,lty) = list_of_imap env in

  let l' = List.combine lid lty in

  let pp_fun fmt (id,value) =

    Format.fprintf fmt "%s |-> %a" id pp_fun value

  in

  Format.fprintf fmt "{ @[<v 2>%a@] }" (fprintf_list ~sep:"@," pp_fun) l'

(* Local Variables: *)

(* compile-command:"make -C .." *)

(* End: *)