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(********************************************************************)
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(* *)
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(* The LustreC compiler toolset / The LustreC Development Team *)
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(* Copyright 2012 - -- ONERA - CNRS - INPT *)
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(* *)
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(* LustreC is free software, distributed WITHOUT ANY WARRANTY *)
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(* under the terms of the GNU Lesser General Public License *)
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(* version 2.1. *)
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(* *)
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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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type 'a t = 'a IMap.t
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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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let fold = IMap.fold
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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: *)
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