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-- Ortho front-end specifications.
-- Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 2 of the License, or
-- (at your option) any later version.
--
-- This program 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 General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <gnu.org/licenses>.
package Ortho_Front is
type String_Acc is access String;
-- Called before decode_option.
-- This procedure can only do internal initializations. It cannot call
-- ortho subprograms.
procedure Init;
-- An ortho back-end decodes the command line. Unknown options may
-- be decoded by the user, with this function.
-- When an ortho back-end encounter an unknown option, it sets OPT with
-- this option and ARG with the next one, if any.
--
-- DECODE_OPTION must return the number of argument used, ie:
-- 0 if OPT is unknown.
-- 1 if OPT is known but ARG is unused.
-- 2 if OPT is known and ARG used.
function Decode_Option (Opt : String_Acc; Arg : String_Acc) return Natural;
-- Start to parse file FILENAME.
-- Return False in case of error.
function Parse (Filename : String_Acc) return Boolean;
end Ortho_Front;
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