137   std::queue<std::filesystem::path> input_files;  in main()  local
170       input_files.emplace(source_root / std::filesystem::path(arg));  in main()
180   while (!input_files.empty()) {  in main()
182     std::cout << "parsing: " << input_files.front() << std::endl;  in main()
183     if (!parse_declarations_one_file(input_files.front(), &declarations)) {  in main()
184       std::cerr << "Cannot parse " << input_files.front() << " correctly" << std::endl;  in main()
189 …if (!generate_rust_source_one_file(declarations, input_files.front(), include_dir, out_dir, root_n…  in main()
190         std::cerr << "Didn't generate rust source for " << input_files.front() << std::endl;  in main()
195 …if (!generate_cpp_headers_one_file(declarations, input_files.front(), include_dir, out_dir, root_n…  in main()
196         std::cerr << "Didn't generate cpp headers for " << input_files.front() << std::endl;  in main()
200 …            declarations, input_files.front(), include_dir, out_dir, root_namespace, num_shards)) {  in main()
201         std::cerr << "Didn't generate pybind11 sources for " << input_files.front() << std::endl;  in main()
205     input_files.pop();  in main()