void RemoveUnreachablePass::run_pass(DexStoresVector& stores, ConfigFiles& conf, PassManager& pm) { // Store names of removed classes and methods ConcurrentSet<std::string> removed_symbols; if (pm.no_proguard_rules()) { TRACE(RMU, 1, "RemoveUnreachablePass not run because no " "ProGuard configuration was provided."); return; } bool output_unreachable_symbols = pm.get_current_pass_info()->repeat == 0 && !m_unreachable_symbols_file_name.empty(); int num_ignore_check_strings = 0; auto reachables = reachability::compute_reachable_objects( stores, m_ignore_sets, &num_ignore_check_strings); reachability::ObjectCounts before = reachability::count_objects(stores); TRACE(RMU, 1, "before: %lu classes, %lu fields, %lu methods\n", before.num_classes, before.num_fields, before.num_methods); reachability::sweep(stores, *reachables, output_unreachable_symbols ? &removed_symbols : nullptr); reachability::ObjectCounts after = reachability::count_objects(stores); TRACE(RMU, 1, "after: %lu classes, %lu fields, %lu methods\n", after.num_classes, after.num_fields, after.num_methods); pm.incr_metric("num_ignore_check_strings", num_ignore_check_strings); pm.incr_metric("classes_removed", before.num_classes - after.num_classes); pm.incr_metric("fields_removed", before.num_fields - after.num_fields); pm.incr_metric("methods_removed", before.num_methods - after.num_methods); if (output_unreachable_symbols) { std::string filepath = conf.metafile(m_unreachable_symbols_file_name); write_out_removed_symbols(filepath, removed_symbols); } }