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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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open Init
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(** Base types and predefined operator types. *)
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let init_zero = new_univar ()
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let init_un =
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let univ = new_univar () in
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new_init Isucc univ
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let rec init_omega = { init_desc = Isucc init_omega; iid = -1 }
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let is_omega init =
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let rec search path init =
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match init.init_desc with
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| Isucc init' ->
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List.mem init path or search (init :: path) init'
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| _ ->
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false
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in
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search [] init
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let init_unary_poly_op =
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let univ = new_univar () in
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new_init (Iarrow (univ, univ))
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let init_pre_op =
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let univ = new_univar () in
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new_init (Iarrow (univ, new_init (Isucc univ)))
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let init_arrow_op =
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let univ = new_univar () in
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new_init (Iarrow (new_init (Ituple [ univ; init_un ]), univ))
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let init_fby_op_1 =
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let univ = new_univar () in
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new_init (Iarrow (init_zero, init_zero))
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let init_fby_op_2 = init_pre_op
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let init_bin_poly_op =
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let univ = new_univar () in
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new_init (Iarrow (new_init (Ituple [ univ; univ ]), univ))
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let init_ter_poly_op =
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let univ = new_univar () in
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new_init (Iarrow (new_init (Ituple [ univ; univ; univ ]), univ))
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let env =
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let init_env = Env.initial in
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let env' =
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List.fold_right
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(fun op env -> Env.add_value env op init_unary_poly_op)
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[ "uminus"; "not" ] init_env
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in
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let env' =
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List.fold_right
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(fun op env -> Env.add_value env op init_binary_poly_op)
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[
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"+";
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"-";
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"*";
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"/";
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"mod";
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"&&";
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"||";
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"xor";
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"impl";
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"<";
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"<=";
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">";
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">=";
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"!=";
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"=";
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]
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env'
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in
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let env' =
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List.fold_right
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(fun op env -> Env.add_value env op init_ternary_poly_op)
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[ "ite" ] init_env
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in
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env'
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(* Local Variables: *)
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(* compile-command:"make -C .." *)
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(* End: *)
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