#   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-gdb@prep.ai.mit.edu

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

load_lib gdb.exp

# variables that need to set up
#
if ![info exists prompt] then {
    set prompt "\[(\]gdb\[)\]"
}
# some convenience abbreviations
#
if ![info exists hex] then {
    set hex "0x\[0-9A-Fa-f\]+"
}
if ![info exists decimal] then {
    set decimal "\[0-9\]+"
}

#
# gdb_version -- extract and print the version number of gcc
#
proc gdb_version {} {
    default_gdb_version
}

#
# gdb_unload -- unload a file if one is loaded
#

#
# gdb_load -- load a file into the debugger.
#             return a -1 if anything goes wrong.
#
proc gdb_load { arg } {
    global verbose
    global loadpath
    global loadfile
    global GDB
    global prompt

    return [gdb_file_cmd $arg]
}

#
# start gdb -- start gdb running
#

proc gdb_start {} {
    global verbose
    global GDB
    global GDBFLAGS
    global prompt
    global spawn_id
    global timeout
    verbose "Spawning $GDB $GDBFLAGS"
    
    set oldtimeout $timeout
    set timeout [expr "$timeout + 60"]
    if [ llength $GDBFLAGS ] then {
	if {[which $GDB] != 0} then {
	    spawn $GDB $GDBFLAGS
	} else {
	    perror "$GDB does not exist."
	    exit 1
	}
    } else {
	if {[which $GDB] != 0} then {
	    spawn $GDB
	} else {
	    perror "$GDB does not exist."
	    exit 1
	}
    }
    expect {
	-re ".*\r\n$prompt $" {
	    verbose "GDB initialized for native mode"
	}
	-re "$prompt $"	{
	    perror "GDB never initialized."
	    return -1
	}
	timeout		{
	    perror "(timeout) GDB never initialized."
	    return -1
	}
    }
    set timeout $oldtimeout
    # force the height to "unlimited", so no pagers get used
    send "set height 0\n"
    expect {
	-re ".*$prompt $" { 
	    verbose "Setting height to 0." 2
	}
	timeout {
	    warning "Couldn't set the height to 0."
	}
    }
    # force the width to "unlimited", so no wraparound occurs
    send "set width 0\n"
    expect {
	-re ".*$prompt $" {
	    verbose "Seting width to 0." 2
	}
	timeout {
	    warning "Couldn't set the width to 0."
	}
    }
}

proc gdb_exit { } {
    catch default_gdb_exit
}

set binpath /s1/users/rob/vxworks/bin/somewhere-bogus-that-needs-configuring
set bin $GDB

gdb_start







