bash debugger Code

# -*- shell-script -*-
# show.sh - Show debugger settings
#
#   Copyright (C) 2002-2003, 2006-2008, 2010, 2012
#   2011 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.

typeset -A _Dbg_debugger_show_commands

typeset -A _Dbg_command_help_show

# subcommands whose current values are not shown in a "show" list . 
# These are things like alias, warranty, or copying.
# They are available if asked for explicitly, e.g. "show copying"
typeset -A _Dbg_show_nolist

# Help routine is elsewhere which is why we have '' below.
_Dbg_help_add show '' 1 _Dbg_complete_show

# Load in "show" subcommands
for _Dbg_file in ${_Dbg_libdir}/command/show_sub/*.sh ; do
    source $_Dbg_file
done

# Command completion for a condition command
_Dbg_complete_show() {
    _Dbg_complete_subcmd show
}

_Dbg_do_show() {
    typeset subcmd=$1
    (($# >= 1)) && shift
    typeset label=$1
    (($# >= 1)) && shift

    if [[ -z $subcmd ]] ; then 
        typeset thing
        typeset list; list=("${!_Dbg_debugger_show_commands[@]}")
        sort_list 0 ${#list[@]}-1
        for thing in ${list[@]} ; do
            [[ -n ${_Dbg_show_nolist[$thing]} ]] || _Dbg_do_show $thing 1
        done
        return 0
    elif [[ -n ${_Dbg_debugger_show_commands[$subcmd]} ]] ; then
        ${_Dbg_debugger_show_commands[$subcmd]} "$label" "$@"
        return 0
    fi

    case $subcmd in 
        lin | line | linet | linetr | linetra | linetrac | linetrace )
            [[ -n $label ]] && label=$(_Dbg_printf_nocr "%-12s: " 'line tracing')
            [[ -n $label ]] && label='line tracing: '
            typeset onoff="off."
            (( _Dbg_set_linetrace != 0 )) && onoff='on.'
            _Dbg_msg \
                "${label}Show line tracing is" $onoff
            _Dbg_msg \
                "${label}Show line trace delay is ${_Dbg_linetrace_delay}."
            ;;

        lo | log | logg | loggi | loggin | logging )
            shift
            _Dbg_do_show_logging $@
            ;;
        sho|show|showc|showco|showcom|showcomm|showcomma|showcomman|showcommand )
            [[ -n $label ]] && label=$(_Dbg_printf_nocr "%-12s: " 'showcommmand')
            _Dbg_msg \
                "${label}Show commands in debugger prompt is" \
                "$_Dbg_set_show_command."
            ;;
        t|tr|tra|trac|trace|trace-|tracec|trace-co|trace-com|trace-comm|trace-comma|trace-comman|trace-command|trace-commands )
            [[ -n $label ]] && label='trace-commands: '
            _Dbg_msg \
                "${label}State of command tracing is" \
                "$_Dbg_set_trace_commands."
            ;;
        tt | tty )
            shift
            _Dbg_do_show_tty $@
            ;;
        *)
            _Dbg_errmsg "Unknown show subcommand: $subcmd"
            typeset -a list; list=("${!_Dbg_debugger_show_commands[@]}")
            sort_list 0 ${#list[@]}-1
            typeset columnized=''
            typeset -i width; ((width=_Dbg_set_linewidth-5))
            typeset -a columnized; columnize $width
            typeset -i i
            _Dbg_errmsg "Show subcommands are:"
            for ((i=0; i<${#columnized[@]}; i++)) ; do 
                _Dbg_errmsg "  ${columnized[i]}"
            done
            return 1
    esac
    return $?
}