/**
* Read a map of {list_name : class_list} from json
*/
std::unordered_map<std::string, std::vector<std::string> > ConfigFiles::load_class_lists() {
std::unordered_map<std::string, std::vector<std::string> > lists;
std::string class_lists_filename;
this->m_json.get("class_lists", "", class_lists_filename);
if (class_lists_filename.empty()) {
return lists;
}
std::ifstream input(class_lists_filename);
Json::Reader reader;
Json::Value root;
bool parsing_succeeded = reader.parse(input, root);
always_assert_log(parsing_succeeded, "Failed to parse class list json from file: %s\n%s",
class_lists_filename.c_str(),
reader.getFormattedErrorMessages().c_str());
for (Json::ValueIterator it = root.begin(); it != root.end(); ++it) {
std::vector<std::string> class_list;
Json::Value current_list = *it;
for (Json::ValueIterator list_it = current_list.begin(); list_it != current_list.end(); ++list_it) {
lists[it.key().asString()].push_back((*list_it).asString());
}
}
lists["secondary_dex_head.list"] = get_coldstart_classes();
return lists;
}
void StaticSinkPass::run_pass(DexClassesVector& dexen, ConfigFiles& cfg) {
auto method_list = cfg.get_coldstart_methods();
auto methods = strings_to_dexmethods(method_list);
TRACE(SINK, 1, "methods used in coldstart: %lu\n", methods.size());
auto coldstart_classes = get_coldstart_classes(dexen, cfg);
count_coldstart_statics(coldstart_classes);
auto statics = get_noncoldstart_statics(coldstart_classes, methods);
TRACE(SINK, 1, "statics not used in coldstart: %lu\n", statics.size());
remove_primary_dex_refs(dexen[0], statics);
TRACE(SINK, 1, "statics after removing primary dex: %lu\n", statics.size());
auto sink_map = get_sink_map(dexen, coldstart_classes, statics);
TRACE(SINK, 1, "statics with sinkable callsite: %lu\n", sink_map.size());
auto holder = move_statics_out(statics, sink_map);
TRACE(SINK, 1, "methods in static holder: %lu\n",
holder->get_dmethods().size());
DexClasses dc(1);
dc.insert_at(holder, 0);
dexen.emplace_back(std::move(dc));
}
