# -*- shell-script -*-
# "set listsize" debugger command
#
#   Copyright (C) 2010-2011, 2016 Rocky Bernstein <rocky@gnu.org>
#
#   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, 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; see the file COPYING.  If not, write to
#   the Free Software Foundation, 59 Temple Place, Suite 330, Boston,
#   MA 02111 USA.

# If run standalone, pull in other files we need
if [[ $0 == ${BASH_SOURCE[0]} ]] ; then
    dirname=${BASH_SOURCE[0]%/*}
    [[ $dirname == $0 ]] && top_dir='../..' || top_dir=${dirname}/../..
    [[ -z $_Dbg_libdir ]] && _Dbg_libdir=$top_dir
    for file in help alias ; do source "$top_dir/lib/${file}.sh"; done
fi

_Dbg_help_add_sub set listsize \
'**set listsize** *number-of-lines*

Set the number of source lines debugger will list by default.

See also:
---------

**show listsize**
'

# How many lines in a "list" command?
typeset -xi _Dbg_set_listsize=10

_Dbg_do_set_listsize() {
    eval "$_Dbg_seteglob"
    if [[ $1 == $_Dbg_int_pat ]] ; then
	_Dbg_write_journal_eval "_Dbg_set_listsize=$1"
    else
	eval "$_Dbg_resteglob"
	_Dbg_errmsg "Integer argument expected; got: $1"
	return 1
    fi
    eval "$_Dbg_resteglob"
    return 0
}
