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# -*- shell-script -*-
# display.sh - gdb-like "(un)display" and list display debugger commands
#
# Copyright (C) 2002, 2003, 2006, 2007, 2008, 2009 Rocky Bernstein
# rocky@gnu.org
#
# bashdb 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.
#
# bashdb 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 Bashdb; see the file COPYING. If not, write to the Free Software
# Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA.
_Dbg_help_add display \
"display [EXP] -- Set display expression or list all display expressions."
# Set display command or list all current display expressions
_Dbg_do_display() {
if (( 0 == $# )); then
_Dbg_eval_all_display
else
local -i n=_Dbg_disp_max++
_Dbg_disp_exp[$n]="$@"
_Dbg_disp_enable[$n]=1
_Dbg_printf '%2d: %s' $n "${_Dbg_disp_exp[$n]}"
fi
}
# List display command(s)
_Dbg_do_list_display() {
if [ ${#_Dbg_disp_exp[@]} != 0 ]; then
local i=0 j
_Dbg_msg "Display expressions:"
_Dbg_msg "Num Enb Expression "
for (( i=0; i < _Dbg_disp_max; i++ )) ; do
if [ -n "${_Dbg_disp_exp[$i]}" ] ;then
_Dbg_printf '%-3d %3d %s' \
$i ${_Dbg_disp_enable[$i]} "${_Dbg_disp_exp[$i]}"
fi
done
else
_Dbg_msg "No display expressions have been set."
fi
}
_Dbg_help_add undisplay \
"undisplay [EXP] - Set display expression or list all display expressions."
_Dbg_do_undisplay() {
local -i del=$1
if [ -n "${_Dbg_disp_exp[$del]}" ] ; then
_Dbg_write_journal_eval "unset _Dbg_disp_exp[$del]"
_Dbg_write_journal_eval "unset _Dbg_disp_enable[$del]"
else
_Dbg_msg "Display entry $del doesn't exist so nothing done."
fi
}
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