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--  Std.Env package declaration.  This file is part of GHDL.
--  This file was written from the clause 14.3 of the VHDL LRM.
--  Copyright (C) 2014 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 GCC; see the file COPYING.  If not, write to the Free
--  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
--  02111-1307, USA.

package body Env is
  procedure control_simulation (Is_Stop : Boolean;
                                Has_Status : Boolean;
                                Status : Integer);
  attribute foreign of control_simulation : procedure is "GHDL intrinsic";

  procedure control_simulation (Is_Stop : Boolean;
                                Has_Status : Boolean;
                                Status : Integer) is
  begin
    assert false report "must not be called" severity failure;
  end control_simulation;

  procedure Stop (Status : Integer) is
  begin
    control_simulation (True, True, Status);
  end Stop;

  procedure Stop is
  begin
    control_simulation (True, False, -1);
  end Stop;

  procedure Finish (status : integer) is
  begin
    control_simulation (False, True, Status);
  end Finish;

  procedure Finish is
  begin
    control_simulation (False, False, -1);
  end Finish;

  function Get_Resolution_Limit return Delay_Length;
  attribute foreign of Get_Resolution_Limit : function is "GHDL intrinsic";

  function Get_Resolution_Limit return Delay_Length is
  begin
    assert false report "must not be called" severity failure;
  end Get_Resolution_Limit;

  function Resolution_Limit return Delay_Length is
  begin
    return Get_Resolution_Limit;
  end Resolution_Limit;
end package body Env;