1# Copyright (c) 2023 Huawei Device Co., Ltd. 2# Licensed under the Apache License, Version 2.0 (the "License"); 3# you may not use this file except in compliance with the License. 4# You may obtain a copy of the License at 5# 6# http://www.apache.org/licenses/LICENSE-2.0 7# 8# Unless required by applicable law or agreed to in writing, software 9# distributed under the License is distributed on an "AS IS" BASIS, 10# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 11# See the License for the specific language governing permissions and 12# limitations under the License. 13 14template("rust_cxx") { 15 assert(defined(invoker.sources), 16 "Must specify the Rust file to use as input.") 17 18 action_foreach(target_name) { 19 sources = invoker.sources 20 21 output_h = "{{source_gen_dir}}/{{source_file_part}}.h" 22 output_cc = "{{source_gen_dir}}/{{source_file_part}}.cc" 23 24 if (defined(invoker.subsystem_name) && defined(invoker.part_name)) { 25 subsystem_name = invoker.subsystem_name 26 part_name = invoker.part_name 27 } else if (defined(invoker.part_name)) { 28 part_name = invoker.part_name 29 _part_subsystem_info_file = 30 "$root_build_dir/build_configs/parts_info/part_subsystem.json" 31 _arguments = [ 32 "--part-name", 33 part_name, 34 "--part-subsystem-info-file", 35 rebase_path(_part_subsystem_info_file, root_build_dir), 36 ] 37 get_subsystem_script = "//build/templates/common/get_subsystem_name.py" 38 subsystem_name = 39 exec_script(get_subsystem_script, _arguments, "trim string") 40 } else if (defined(invoker.subsystem_name)) { 41 subsystem_name = invoker.subsystem_name 42 part_name = subsystem_name 43 } else { 44 subsystem_name = "build" 45 part_name = "build_framework" 46 } 47 48 cxxbridge_target = 49 "//third_party/rust/crates/cxx/gen/cmd:cxxbridge($host_toolchain)" 50 51 cxxbridge_out_dir = get_label_info(cxxbridge_target, "root_out_dir") 52 cxxbridge_executable = rebase_path( 53 "${cxxbridge_out_dir}/${subsystem_name}/${part_name}/cxxbridge") 54 55 script = "//build/templates/rust/rust_cxxbridge.py" 56 inputs = [ 57 cxxbridge_executable, 58 script, 59 ] 60 deps = [ cxxbridge_target ] 61 outputs = [ 62 output_h, 63 output_cc, 64 ] 65 66 args = [ 67 "--cxxbridge", 68 rebase_path(cxxbridge_executable, root_build_dir), 69 "--cc", 70 output_cc, 71 "--header", 72 output_h, 73 "--", 74 "{{source}}", 75 ] 76 } 77} 78