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# -*- shell-script -*-
# frame.sh - gdb-like "up", "down" and "frame" debugger commands
#
# 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.
# Move default values down $1 or one in the stack.
_Dbg_help_add down \
'down [COUNT] -- Set the call stack position down by COUNT.
If COUNT is omitted, use 1. COUNT can be any arithmetic expression.'
_Dbg_do_down() {
_Dbg_not_running && return 1
typeset -i count=${1:-1}
_Dbg_frame_adjust $count -1
_Dbg_print_location
}
_Dbg_alias_add 'd' down
_Dbg_help_add frame \
'frame [FRAME-NUM] -- Move the current frame to the FRAME-NUM.
If FRAME-NUM is negative, count back from the least-recent frame; -1
is the oldest frame. FRAME-NUM can be any arithmetic expression. If
FRAME is omitted, 0 or the most-recent frame moved to.'
_Dbg_do_frame() {
_Dbg_not_running && return 1
typeset -i pos=${1:-0}
_Dbg_frame_adjust $pos 0
_Dbg_print_location
}
# Move default values up $1 or one in the stack.
_Dbg_help_add up \
'up [COUNT] -- Set the call stack position up by COUNT.
If COUNT is omitted, use 1. COUNT can be any arithmetic expression.'
_Dbg_do_up() {
_Dbg_not_running && return 1
typeset -i count=${1:-1}
_Dbg_frame_adjust $count +1
_Dbg_print_location
}
_Dbg_alias_add 'u' 'up'
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