#   Copyright (C) 1997 - 2001 Free Software Foundation, Inc.

# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

# Please email any bugs, comments, and/or additions to this file to:
# bug-dejagnu@gnu.org

if ![info exists prompt] then {
    set prompt "calc: "
}
#
# calc_version -- extract and print the version number of calc
#

proc calc_version {} {
    global CALC
    global prompt
    set tmp [exec echo "version" | $CALC]
    regexp "$prompt *(\[^\n\]*)\n.*" $tmp tmp version
    clone_output "[which $CALC] version $version\n"
}
#
# calc_load -- loads the program
#
proc calc_load { arg } {
    #
}

#
# calc_exit -- quit and cleanup
#
proc calc_exit {} {
    send "quit\n"
}

#
# calc_start -- start calc running
#
proc calc_start {} {
    global CALC
    global prompt
    global spawn_id
    global verbose

    if { $verbose > 1 } {
	send_user "starting $CALC\n"
    }
    spawn $CALC
    expect {
	-re "No such file.*" { perror "Can't start $CALC"; exit 1 }
	-re "$prompt$" { }
	timeout { perror "Failed to spawn $CALC (timeout)"; exit 1 }
    }
}

calc_start