#   Copyright (C) 1988, 1990, 1991, 1992 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., 675 Mass Ave, Cambridge, MA 02139, USA.  */

# Please email any bugs, comments, and/or additions to this file to:
# bug-dejagnu@prep.ai.mit.edu

# This file was written by Rob Savoye. (rob@cygnus.com)

set testdrv "tclTest"

#
# tcl_version -- extract and print the version number of tcl
#
proc tcl_version { } {
    global testdrv
    global subdir

    set version ""
    catch {exec echo "info tclversion" | $testdrv} tmp
    regexp "\[0-9\]\.\[0-9\.\]+" $tmp version
    clone_output "Tcl library is version $version\n"
    unset tmp
    unset version
}

#
# tcl_load -- loads the program. For tcl, we just execute it
#
proc tcl_load { arg } {
    global verbose
    global exec_output
    global subdir
    global testdrv
    global exec_output
    global spawn_id

    if ![file exists $arg] then {
	error "$arg does not exist."
	return -1
    }

    if $verbose>1 then {
	send_user "Sourcing $arg...\n"
    }
    send "source $arg\n"
    return 0
}

#
# tcl_exit -- exit the test driver for tcl
#
proc tcl_exit {} {
}

#
# tcl_start -- start the test driver for tcl
#
proc tcl_start { } {
    global testdrv

    global objdir
    global subdir
    global srcdir
    global verbose
    global spawn_id
    
    set testdrv "$objdir/$testdrv"
    set defs	"$srcdir/../tests/defs"

    spawn $testdrv
    send "source $defs\n"
    expect {
	-re ".*source $defs.*$" {
	    verbose "Sourced $defs" 1
	    }
	"Error: couldn't read file*" {
	    error "Couldn't source $defs"
	    return -1
	}
	"%" {
	    verbose "Sourced $defs" 1
	    return 0
	    }
	timeout {
	    error "Timed out sourcing $defs."
	    return 1
	}
    }

    send "set VERBOSE 1\n"
    expect {
	-re "set VERBOSE 1.*1.*%" {
	    if $verbose>1 then {
		send_user "Set verbose flag for tests\n"
	    }	    
	}
	timeout {
	    error "Timed out setting verbose flag."
	}
    }
    return $spawn_id
}