Merge "Generate ComandExpectations trait for nci packets" am: b724b574c8 am: 395f62bfac (896a5f8e) · Commits · e / os / android_packages_modules_Bluetooth

system/gd/packet/parser/gen_rust.cc

+53 −0

Original line number	Diff line number	Diff line
		@@ -136,6 +136,59 @@ bool generate_rust_source_one_file(
		}
		}

		if (opcode_index != nullptr && opcode != nullptr) {
		opcode_index->try_from_enum_ = opcode;
		}
		} else if (input_filename == "nci_packets") {
		out_file << "type EventPacket = NciPacket;"
		<< "pub trait CommandExpectations { "
		<< "type ResponseType;"
		<< "fn _to_response_type(pkt: EventPacket) -> Self::ResponseType;"
		<< "}";

		for (const auto& packet_def : decls.packet_defs_queue_) {
		auto packet = packet_def.second;
		if (!packet->HasAncestorNamed("Command")) {
		continue;
		}
		auto constraint = packet->parent_constraints_.find("op");
		if (constraint == packet->parent_constraints_.end()) {
		continue;
		}
		auto opcode = std::get<std::string>(constraint->second);
		for (const auto& other_packet_def : decls.packet_defs_queue_) {
		auto other_packet = other_packet_def.second;
		bool command_response = other_packet->HasAncestorNamed("Response");
		bool command_notification = other_packet->HasAncestorNamed("Notification");
		if (!command_response && !command_notification) {
		continue;
		}
		auto other_constraint = other_packet->parent_constraints_.find("cmd_op");
		if (other_constraint == other_packet->parent_constraints_.end()) {
		continue;
		}

		auto other_opcode = std::get<std::string>(other_constraint->second);
		if (opcode == other_opcode) {
		packet->complement_ = other_packet;
		break;
		}
		}
		}

		EnumDef* opcode = nullptr;
		EnumDef* opcode_index = nullptr;
		for (const auto& e : decls.type_defs_queue_) {
		if (e.second->GetDefinitionType() == TypeDef::Type::ENUM) {
		auto* enum_def = static_cast<EnumDef*>(e.second);
		if (enum_def->name_ == "Opcode") {
		opcode = enum_def;
		} else if (enum_def->name_ == "OpCodeIndex") {
		opcode_index = enum_def;
		}
		}
		}

		if (opcode_index != nullptr && opcode != nullptr) {
		opcode_index->try_from_enum_ = opcode;
		}