gn/perfetto_cc_proto_descriptor.gni

# Copyright (C) 2021 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import("perfetto.gni")

template("perfetto_cc_proto_descriptor") {
  config("${target_name}_config") {
    include_dirs = [ "${root_gen_dir}/${perfetto_root_path}" ]
  }

  action(target_name) {
    generated_header = "${target_gen_dir}/${invoker.descriptor_name}.h"
    descriptor_file_path =
        get_label_info(invoker.descriptor_target, "target_gen_dir") +
        "/${invoker.descriptor_name}"

    script = "$perfetto_root_path/tools/gen_cc_proto_descriptor.py"
    deps = [ invoker.descriptor_target ]
    args = [
      "--gen_dir",
      rebase_path(root_gen_dir, root_build_dir),
      "--cpp_out",
      rebase_path(generated_header, root_build_dir),
      rebase_path(descriptor_file_path, root_build_dir),
    ]
    inputs = [ descriptor_file_path ]
    outputs = [ generated_header ]
    public_configs = [ ":${target_name}_config" ]
  }
}