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-- Command line options.
-- Copyright (C) 2008 Tristan Gingold
--
-- GHDL 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, or (at your option) any later
-- version.
--
-- GHDL 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 GHDL; see the file COPYING. If not, write to the Free
-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-- 02111-1307, USA.
package Options is
-- How an option was handled by Parse_Option.
type Option_State is
(
-- Option correctly parsed.
Option_Ok,
-- Option is unknown.
Option_Unknown,
-- Option has an error (message was displayed).
Option_Err,
-- Option_Arg_Req: OPTION requires an argument. Must be set only when
-- ARG = "", the manager will recall Decode_Option.
Option_Arg_Req,
-- Option_Arg: OPTION used the argument.
Option_Arg,
Option_End
);
-- Return true if opt is recognize by flags.
-- Note: std_names.std_names_initialize and files_map.init_paths must have
-- been called before this subprogram.
function Parse_Option (Opt : String) return Option_State;
-- Disp help about these options.
procedure Disp_Options_Help;
-- Front-end intialization.
procedure Initialize;
Option_Error: exception;
end Options;
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