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# -*- shell-script -*-
# dbg-hist.sh - Bourne Again Shell Debugger history routines
#
# 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 history \
"History [n] -- Rerun a debugger command from the debugger history.
See also H to list the history. If the n is negative you are you going
back that many items from the end rather specifying an absolute history number."
_Dbg_do_history() {
typeset -i history_num
_Dbg_history_parse $*
_Dbg_history_remove_item
if (( history_num >= 0 )) ; then
if (( history_num < ${#_Dbg_history[@]} )) ; then
set ${_Dbg_history[$history_num]}
_Dbg_cmd=$1
shift
args="$@"
_Dbg_redo=1;
else
_Dbg_errmsg \
"Number $1 ($history_num) should be less than ${#_Dbg_history[@]}"
fi
fi
}
# Print debugger history $1 is where to start or highest number if not given.
# If $1 is negative, it is how many history items.
# $2 is where to stop or 0 if not given.
_Dbg_do_history_list() {
eval "$_seteglob"
if [[ $1 != $int_pat ]] && [[ $1 != -$int_pat ]] && [[ -n $1 ]] ; then
_Dbg_msg "Invalid history number: $1"
eval "$_resteglob"
return 1
fi
eval "$_resteglob"
_Dbg_hi=${#_Dbg_history[@]}
local -i n=${1:-$_Dbg_hi-1}
local -i stop=${2:0}
local -i i
# Were we given a count rather than a starting history number?
if (( n<0 )) ; then
((stop=_Dbg_hi+n))
((n=_Dbg_hi-1))
elif (( n > _Dbg_hi-1 )) ; then
((n=_Dbg_hi-1))
fi
for (( i=n ; i >= stop && i >= 0; i-- )) ; do
_Dbg_msg "${i}: ${_Dbg_history[$i]}"
done
}
_Dbg_alias_add '!' 'history'
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