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(* ----------------------------------------------------------------------------
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 * SchedMCore - A MultiCore Scheduling Framework
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 * Copyright (C) 2009-2011, ONERA, Toulouse, FRANCE - LIFL, Lille, FRANCE
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 *
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 * This file is part of Prelude
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 *
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 * Prelude is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public License
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 * as published by the Free Software Foundation ; either version 2 of
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 * the License, or (at your option) any later version.
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 *
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 * Prelude is distributed in the hope that it will be useful, but
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 * WITHOUT ANY WARRANTY ; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this program ; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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 * USA
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 *---------------------------------------------------------------------------- *)
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(** Generic inference environments. Used both for typing and
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    clock-calculus. *)
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open Utils
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(* Same namespace for nodes, variables and constants *)
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let initial = IMap.empty
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let add_value env ident ty =
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  IMap.add ident ty env
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let lookup_value env ident =
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  IMap.find ident env
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let exists_value env ident =
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  IMap.mem ident env
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let iter env f = IMap.iter f env
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(* Merges x and y. In case of conflicting definitions,
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   overwrites definitions in x by definitions in y *)
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let overwrite x y =
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  IMap.merge (
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    fun k _old _new -> match _new with
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      | Some _ -> _new
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      | _ -> _old
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  ) x y
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open Format
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let pp_env pp_fun fmt env =
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  let (lid,lty) = list_of_imap env in
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  let l' = List.combine lid lty in
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  let pp_fun fmt (id,value) =
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    Format.fprintf fmt "%s |-> %a" id pp_fun value
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  in
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  Format.fprintf fmt "{ @[<v 2>%a@] }" (fprintf_list ~sep:"@," pp_fun) l'
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(* Local Variables: *)
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(* compile-command:"make -C .." *)
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(* End: *)