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55 lines
2.8 KiB
OCaml
55 lines
2.8 KiB
OCaml
(***********************************************************************)
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(* *)
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(* Heptagon *)
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(* *)
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(* Gwenael Delaval, LIG/INRIA, UJF *)
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(* Leonard Gerard, Parkas, ENS *)
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(* Adrien Guatto, Parkas, ENS *)
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(* Cedric Pasteur, Parkas, ENS *)
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(* *)
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(* Copyright 2012 ENS, INRIA, UJF *)
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(* *)
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(* This file is part of the Heptagon compiler. *)
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(* *)
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(* Heptagon is free software: you can redistribute it and/or modify it *)
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(* under the terms of the GNU General Public License as published by *)
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(* the Free Software Foundation, either version 3 of the License, or *)
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(* (at your option) any later version. *)
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(* *)
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(* Heptagon is distributed in the hope that it will be useful, *)
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(* but WITHOUT ANY WARRANTY; without even the implied warranty of *)
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(* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *)
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(* GNU General Public License for more details. *)
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(* *)
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(* You should have received a copy of the GNU General Public License *)
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(* along with Heptagon. If not, see <http://www.gnu.org/licenses/> *)
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(* *)
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(***********************************************************************)
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(* removing present statements *)
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open Heptagon
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open Hept_utils
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open Hept_mapfold
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let translate_present_handlers handlers cont =
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let translate_present_handler { p_cond = e; p_block = b } cont =
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let stateful = b.b_stateful or cont.b_stateful in
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mk_block ~stateful:stateful ~defnames:b.b_defnames
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[mk_switch_equation e
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[{ w_name = Initial.ptrue; w_block = b };
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{ w_name = Initial.pfalse; w_block = cont }]] in
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let b = List.fold_right translate_present_handler handlers cont in
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(List.hd (b.b_equs)).eq_desc
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let eqdesc funs acc eqd =
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let eqd, _ = Hept_mapfold.eqdesc funs acc eqd in
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match eqd with
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| Epresent(ph, b) -> translate_present_handlers ph b, acc
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| _ -> eqd, acc
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let program p =
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let funs = { Hept_mapfold.defaults with eqdesc = eqdesc } in
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let p, _ = Hept_mapfold.program_it funs false p in
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p
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