1# Copyright (C) 2021 The Android Open Source Project 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14 15import("perfetto.gni") 16 17template("perfetto_cc_proto_descriptor") { 18 is_target = defined(invoker.descriptor_target) 19 is_path = defined(invoker.descriptor_path) 20 21 # You must define exactly one of: 22 # descriptor_target 23 # descriptor_path 24 assert((is_target || is_path) && !(is_target && is_path)) 25 26 config("${target_name}_config") { 27 include_dirs = [ "${root_gen_dir}/${perfetto_root_path}" ] 28 } 29 30 action(target_name) { 31 generated_header = "${target_gen_dir}/${invoker.descriptor_name}.h" 32 if (is_target) { 33 descriptor_file_path = 34 get_label_info(invoker.descriptor_target, "target_gen_dir") + 35 "/${invoker.descriptor_name}" 36 deps = [ invoker.descriptor_target ] 37 } else { 38 descriptor_file_path = invoker.descriptor_path 39 deps = [] 40 } 41 42 script = "$perfetto_root_path/tools/gen_cc_proto_descriptor.py" 43 args = [ 44 "--gen_dir", 45 rebase_path(root_gen_dir, root_build_dir), 46 "--cpp_out", 47 rebase_path(generated_header, root_build_dir), 48 ] 49 if (defined(invoker.namespace)) { 50 args += [ 51 "--namespace", 52 invoker.namespace, 53 ] 54 } 55 args += [ 56 rebase_path(descriptor_file_path, root_build_dir), 57 ] 58 inputs = [ descriptor_file_path ] 59 outputs = [ generated_header ] 60 public_configs = [ ":${target_name}_config" ] 61 metadata = { 62 perfetto_action_type_for_generator = [ "cc_proto_descriptor" ] 63 } 64 } 65} 66