dumpjsobjects

#!/bin/bash

#
# dumpjsobjects CORE_FILE DMOD_FILE OBJ_LIST OBJ_CONTENTS
#
# Dump all JavaScript objects in CORE_FILE using mdb_v8 binary DMOD_FILE.  The
# sorted list of all objects is stored into the file OBJ_LIST and the contents
# of all objects is stored into the file OBJ_CONTENTS.
#

set -o pipefail

function usage
{
	cat <<EOF >&2
usage: dumpjsobjects CORE_FILE DMOD_FILE OBJ_LIST OBJ_CONTENTS

Dump all JavaScript objects in CORE_FILE using mdb_v8 binary DMOD_FILE.  The
sorted list of all objects is stored into the file OBJ_LIST and the contents of
all objects is stored into the file OBJ_CONTENTS.
EOF
	exit 2
}

function main
{
	local listcmd printcmd

	if [[ $# != 4 ]]; then
		usage
	fi

	listcmd="::findjsobjects -l | ::findjsobjects ! sort > $3"
	printcmd="::cat $3 | ::jsprint -a -d 2 -N 0t100 ! cat > $4"
	set -o xtrace
	if ! mdb -e "::load $2; $listcmd" "$1" ||
	   ! mdb -e "::load $2; $printcmd" "$1"; then
		echo "FAILED." >&2
		exit 1
	fi

	echo "done."
}

main "$@"