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# -*- shell-script -*-
# Eval and Print 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.
# temp file for internal eval'd commands
typeset _Dbg_evalfile=$(_Dbg_tempname eval)
_Dbg_help_add eval \
'eval CMD -- Run eval on CMD.
CMD is a string sent to special shell builtin eval. See also print.'
_Dbg_do_eval() {
print ". ${_Dbg_libdir}/lib/set-d-vars.sh" > $_Dbg_evalfile
print "$@" >> $_Dbg_evalfile
print '_Dbg_rc=$?' >> $_Dbg_evalfile
typeset -i _Dbg_rc
if [[ -t $_Dbg_fdi ]] ; then
_Dbg_set_dol_q $_Dbg_debugged_exit_code
. $_Dbg_evalfile >&${_Dbg_fdi}
else
_Dbg_set_dol_q $_Dbg_debugged_exit_code
. $_Dbg_evalfile
fi
# We've reset some variables like IFS and PS4 to make eval look
# like they were before debugger entry - so reset them now.
_Dbg_set_debugger_internal
return $_Dbg_rc
}
_Dbg_alias_add 'e' 'eval'
# The arguments in the last "print" command.
typeset _Dbg_last_print_args=''
_Dbg_help_add print \
'print EXPRESSION -- Print EXPRESSION.
EXPRESSION is a string like you would put in a print statement.
See also eval.'
_Dbg_do_print() {
typeset _Dbg_expr=${@:-"$_Dbg_last_print_args"}
typeset dq_expr
dq_expr=$(_Dbg_esc_dq "$_Dbg_expr")
_Dbg_do_eval _Dbg_msg "$_Dbg_expr"
}
_Dbg_alias_add 'p' 'print'
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