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# -*- shell-script -*-
# help.sh - gdb-like "help" debugger command
#
# Copyright (C) 2008 Rocky Bernstein rocky@gnu.org
#
# zshdb 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.
#
# zshdb 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 zshdb; see the file COPYING. If not, write to the Free Software
# Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA.
_Dbg_help_add help \
'help -- Print list of commands.'
typeset -i _Dbg_help_cols=8
_Dbg_do_help() {
if ((0 == $#)) ; then
_Dbg_msg 'Available commands:'
typeset -a commands
unsetopt ksharrays
commands=(${(ki)_Dbg_command_help})
typeset -a list
list=(${commands[@]})
setopt ksharrays
_Dbg_list_columns
_Dbg_msg ''
_Dbg_msg 'Readline command line editing (emacs/vi mode) is available.'
_Dbg_msg 'Type "help" followed by command name for full documentation.'
return 0
else
typeset dbg_cmd="$1"
if [[ -n ${_Dbg_command_help[$dbg_cmd]} ]] ; then
_Dbg_msg "${_Dbg_command_help[$dbg_cmd]}"
else
typeset expanded_alias; _Dbg_alias_expand $dbg_cmd
dbg_cmd="$expanded_alias"
if [[ -n ${_Dbg_command_help[$dbg_cmd]} ]] ; then
_Dbg_msg "${_Dbg_command_help[$dbg_cmd]}"
else
case $dbg_cmd in
i | in | inf | info )
_Dbg_info_help $2
;;
sh | sho | show )
_Dbg_help_show $2
;;
se | set )
_Dbg_help_set $2
;;
* )
_Dbg_errmsg "Undefined command: \"$dbg_cmd\". Try \"help\"."
return 1 ;;
esac
fi
fi
aliases_found=''
_Dbg_alias_find_aliased "$dbg_cmd"
if [[ -n $aliases_found ]] ; then
_Dbg_msg ''
_Dbg_msg "Aliases for $dbg_cmd: $aliases_found"
fi
return 0
fi
}
_Dbg_alias_add '?' help
_Dbg_alias_add 'h' help
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