#!/usr/bin/env bash
#
# Copyright 2020 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

set -euo pipefail

readonly target_file="$FUCHSIA_DIR/src/lib/network/ethernet/src/ethernet_sys.rs"
readonly source_file="$FUCHSIA_DIR/zircon/system/public/zircon/device/ethernet.h"

readonly copyright_line=$(grep -E "^// Copyright [0-9]+" "${source_file}" || \
  echo "// Copyright $(date +%Y) The Fuchsia Authors. All rights reserved.")

readonly RAW_LINES="${copyright_line}
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Generated by src/lib/network/ethernet/scripts/bindgen.sh
"

bindgen \
  --raw-line "${RAW_LINES}" \
  --no-layout-tests \
  --whitelist-type 'eth_fifo_entry' \
  --whitelist-var 'ETH_FIFO_.+' \
  "${source_file}" | \
  grep -vF 'pub type __uint' > "${target_file}"