void RemoveInterfacePass::remove_interfaces_for_root(
const Scope& scope,
const DexStoresVector& stores,
const DexType* root,
const TypeSystem& type_system) {
TRACE(RM_INTF, 5, "Processing root %s\n", SHOW(root));
TypeSet interfaces;
type_system.get_all_interface_children(root, interfaces);
include_parent_interfaces(root, interfaces);
m_total_num_interface += interfaces.size();
m_num_interface_excluded += exclude_unremovables(
scope, stores, type_system, m_skip_multiple_targets_roots,
m_include_primary_dex, interfaces);
TRACE(RM_INTF, 5, "removable interfaces %ld\n", interfaces.size());
TypeSet removed =
remove_leaf_interfaces(scope, root, interfaces, type_system);
while (removed.size() > 0) {
for (const auto intf : removed) {
interfaces.erase(intf);
m_removed_interfaces.insert(intf);
}
TRACE(RM_INTF, 5, "non-leaf removable interfaces %ld\n", interfaces.size());
removed = remove_leaf_interfaces(scope, root, interfaces, type_system);
}
// Update type reference to removed interfaces all at once.
remove_interface_references(scope, type_system, root, m_removed_interfaces);
if (traceEnabled(RM_INTF, 9)) {
TypeSystem updated_ts(scope);
for (const auto intf : interfaces) {
TRACE(RM_INTF, 9, "unremoved interface %s\n", SHOW(intf));
TypeSet children;
updated_ts.get_all_interface_children(intf, children);
for (const auto cintf : children) {
TRACE(RM_INTF, 9, " child %s\n", SHOW(cintf));
}
}
}
}
/**
* Run an optimization step.
*/
size_t OptimizationImpl::optimize(Scope& scope) {
TypeList to_optimize;
single_impls->get_interfaces(to_optimize);
for (auto intf : to_optimize) {
auto& intf_data = single_impls->get_single_impl_data(intf);
TRACE(INTF, 3, "(OPT) %s => %s\n", SHOW(intf), SHOW(intf_data.cls));
if (intf_data.is_escaped()) continue;
auto escape = can_optimize(intf, intf_data);
if (escape != EscapeReason::NO_ESCAPE) {
single_impls->escape_interface(intf, escape);
continue;
}
do_optimize(intf, intf_data);
optimized.insert(intf);
}
// make a new scope deleting all single impl interfaces
Scope new_scope;
for (auto cls : scope) {
if (optimized.find(cls->get_type()) != optimized.end()) continue;
new_scope.push_back(cls);
}
scope.swap(new_scope);
return optimized.size();
}
