devices.sa


Generated by gen_html_sa_files from ICSI. Contact gomes@icsi.berkeley.edu for details
 
------------------------->  GNU Sather - sourcefile  <-------------------------
-- Copyright (C) 2000 by K Hopper, University of Waikato, New Zealand        --
-- This file is part of the GNU Sather library. It is free software; you may --
-- redistribute  and/or modify it under the terms of the GNU Library General --
-- Public  License (LGPL)  as published  by the  Free  Software  Foundation; --
-- either version 2 of the license, or (at your option) any later version.   --
-- This  library  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 Doc/LGPL for more details.       --
-- The license text is also available from:  Free Software Foundation, Inc., --
-- 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA                     --
-------------->  Please email comments to <bug-sather@gnu.org>  <--------------


abstract class $OUT_DEVICE

abstract class $OUT_DEVICE is -- This class models the device which is available to export data of -- some kind from the program. -- Version 1.2 Nov 98. Copyright K Hopper, U of Waikato -- Development History -- ------------------- -- Date Who By Detail -- ---- ------ ------ -- 8 Apr 96 kh Original -- 12 Aug 97 kh Introduced selection operations -- 19 Nov 98 kh Revised for properties only. output_possible : BOOL ; -- This returns trus if and only if the device is in a state where data -- can be exported from the program (eg the standard output channel). end ; --$OUT_DEVICE

abstract class $IN_DEVICE

abstract class $IN_DEVICE is -- This abstraction models the input analogue of the output device. -- Version 1.2 Nov 98. Copyright K Hopper, U of Waikato -- Development History -- ------------------- -- Date Who By Detail -- ---- ------ ------ -- 8 Apr 96 kh Original -- 12 Aug 97 kh Introduced selection operations -- 19 Nov 98 kh Revised for properties only. input_possible : BOOL ; -- This returns trus if and only if the device is in a state where data -- can be imported into the program (eg the standard input channel). end ; -- $IN_DEVICE

abstract class $INOUT_DEVICE < $IN_DEVICE, $OUT_DEVICE

abstract class $INOUT_DEVICE < $IN_DEVICE, $OUT_DEVICE is -- This class models the generic input/output device which may be, -- for example, a network device or any other bi-directional hardware I/O -- device. -- Version 1.0 Nov 87. Copyright K Hopper, U of Waikato -- Development History -- ------------------- -- Date Who By Detail -- ---- ------ ------ -- 19 Nov 98 kh Original end ; --$INOUT_DEVICE