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# -*- shell-script -*-
# examine.sh: Examine debugger command.
#
# Copyright (C) 2002, 2003, 2004, 2006, 2008 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 'examine' \
"examine EXPR -- Print value of an expression via \'typeset', \`let' and failing these, eval.
Single variables and arithmetic expressions do not need leading $ for
their value is to be substituted. However if neither these, variables
need $ to have their value substituted."
function _Dbg_do_examine {
typeset -r _Dbg_expr=${@:-"$_Dbg_last_x_args"}
typeset _Dbg_result
typeset isblank=$_Dbg_expr
if [[ -z $isblank ]] ; then
_Dbg_msg "$_Dbg_expr"
elif _Dbg_defined $_Dbg_expr ; then
_Dbg_result=$(typeset -p $_Dbg_expr)
_Dbg_msg "$_Dbg_result"
elif _Dbg_is_function "$_Dbg_expr" $_Dbg_debug_debugger; then
_Dbg_result=$(typeset -f $_Dbg_expr)
_Dbg_msg "$_Dbg_result"
else
typeset -i _Dbg_rc
eval let _Dbg_result=$_Dbg_expr 2>/dev/null; _Dbg_rc=$?
if (( $_Dbg_rc != 0 )) ; then
_Dbg_do_print "$_Dbg_expr"
else
_Dbg_msg "$_Dbg_result"
fi
fi
_Dbg_last_x_args="$_Dbg_x_args"
}
_Dbg_alias_add 'x' 'examine'
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