Merge "Add "signature only" mode to dump-jar" into main

      -s: Simple output mode, used to check HostStubGen output jars.

      -n: Even simpler output mode; print signature only.

      -o: Write the output to a specified file.

EOF

}

verbose=0

simple=0

output=""

while getopts "hvso:" opt; do

while getopts "hvsno:" opt; do

case "$opt" in

    h)

        help

    s)

        simple=1

        ;;

    n)

        simple=2

        ;;

    o)

        output="$OPTARG"

        ;;

JAVAP_OPTS="${JAVAP_OPTS:--v -p -s -sysinfo -constants}"

if (( $simple )) ; then

if (( $simple == 1 )) ; then

  JAVAP_OPTS="-p -c -v"

elif (( $simple == 2 )) ; then

  JAVAP_OPTS="-p"

fi

# Convert the output for `-s` as needed.

filter_output() {

  if (( $simple )) ; then

  if (( $simple != 0 )) ; then

    # For "simple output" mode,

    # - Normalize the constant numbers (replace with "#x")

    # - Normalize byte code offsets and other similar numbers. (e.g. "0:" -> "x:")

        file="${file%:*}"

        # Print the filename and the regex.

        if ! (( $simple )) ; then

        if (( $simple == 0 )) ; then

          echo -n "# Jar: $file"

          if [[ "$regex" != "" ]] ;then

              echo -n "  (regex: $regex)"