149     std::string arg = argv[i];  in main()  local
150     if (arg.find(arg_source_root) == 0) {  in main()
151       source_root = std::filesystem::path(arg.substr(arg_source_root.size()));  in main()
156     std::string arg = argv[i];  in main()  local
157     if (arg.find(arg_out) == 0) {  in main()
158       out_dir = cwd / std::filesystem::path(arg.substr(arg_out.size()));  in main()
159     } else if (arg.find(arg_include) == 0) {  in main()
160       include_dir = source_root / std::filesystem::path(arg.substr(arg_include.size()));  in main()
161     } else if (arg.find(arg_namespace) == 0) {  in main()
162       root_namespace = arg.substr(arg_namespace.size());  in main()
163     } else if (arg.find(arg_num_shards) == 0) {  in main()
164       num_shards = std::stoul(arg.substr(arg_num_shards.size()));  in main()
165     } else if (arg.find(arg_rust) == 0) {  in main()
167     } else if (arg.find(arg_source_root) == 0) {  in main()
170       input_files.emplace(source_root / std::filesystem::path(arg));  in main()