void unpackage_private(Scope &scope) {
walk_methods(scope,
[&](DexMethod *method) {
if (is_package_protected(method)) set_public(method);
});
walk_fields(scope,
[&](DexField *field) {
if (is_package_protected(field)) set_public(field);
});
for (auto clazz : scope) {
if (is_package_protected(clazz)) set_public(clazz);
}
}
void change_visibility(DexMethod* method) {
auto code = method->get_code();
always_assert(code != nullptr);
editable_cfg_adapter::iterate(code, [](MethodItemEntry& mie) {
auto insn = mie.insn;
if (insn->has_field()) {
auto cls = type_class(insn->get_field()->get_class());
if (cls != nullptr && !cls->is_external()) {
set_public(cls);
}
auto field =
resolve_field(insn->get_field(), is_sfield_op(insn->opcode())
? FieldSearch::Static : FieldSearch::Instance);
if (field != nullptr && field->is_concrete()) {
set_public(field);
set_public(type_class(field->get_class()));
// FIXME no point in rewriting opcodes in the method
insn->set_field(field);
}
} else if (insn->has_method()) {
auto cls = type_class(insn->get_method()->get_class());
if (cls != nullptr && !cls->is_external()) {
set_public(cls);
}
auto current_method = resolve_method(
insn->get_method(), opcode_to_search(insn));
if (current_method != nullptr && current_method->is_concrete()) {
set_public(current_method);
set_public(type_class(current_method->get_class()));
// FIXME no point in rewriting opcodes in the method
insn->set_method(current_method);
}
} else if (insn->has_type()) {
auto type = insn->get_type();
auto cls = type_class(type);
if (cls != nullptr && !cls->is_external()) {
set_public(cls);
}
}
return editable_cfg_adapter::LOOP_CONTINUE;
});
std::vector<DexType*> types;
if (code->editable_cfg_built()) {
code->cfg().gather_catch_types(types);
} else {
code->gather_catch_types(types);
}
for (auto type : types) {
auto cls = type_class(type);
if (cls != nullptr && !cls->is_external()) {
set_public(cls);
}
}
}
/**
* Change the visibility of members accessed in a callee as they are moved
* to the caller context.
* We make everything public but we could be more precise and only
* relax visibility as needed.
*/
void MultiMethodInliner::change_visibility(DexMethod* callee) {
TRACE(MMINL, 6, "checking visibility usage of members in %s\n",
SHOW(callee));
for (auto insn : callee->get_code()->get_instructions()) {
if (insn->has_fields()) {
auto fop = static_cast<DexOpcodeField*>(insn);
auto field = fop->field();
field = resolve_field(field, is_sfield_op(insn->opcode())
? FieldSearch::Static : FieldSearch::Instance);
if (field != nullptr && field->is_concrete()) {
TRACE(MMINL, 6, "changing visibility of %s.%s %s\n",
SHOW(field->get_class()), SHOW(field->get_name()),
SHOW(field->get_type()));
set_public(field);
set_public(type_class(field->get_class()));
fop->rewrite_field(field);
}
continue;
}
if (insn->has_methods()) {
auto mop = static_cast<DexOpcodeMethod*>(insn);
auto method = mop->get_method();
method = resolver(method, opcode_to_search(insn));
if (method != nullptr && method->is_concrete()) {
TRACE(MMINL, 6, "changing visibility of %s.%s: %s\n",
SHOW(method->get_class()), SHOW(method->get_name()),
SHOW(method->get_proto()));
set_public(method);
set_public(type_class(method->get_class()));
mop->rewrite_method(method);
}
continue;
}
if (insn->has_types()) {
auto type = static_cast<DexOpcodeType*>(insn)->get_type();
auto cls = type_class(type);
if (cls != nullptr && !cls->is_external()) {
TRACE(MMINL, 6, "changing visibility of %s\n", SHOW(type));
set_public(cls);
}
continue;
}
}
}
bool relocate_method_if_no_changes(DexMethod* method, DexType* to_type) {
if (!gather_invoked_methods_that_prevent_relocation(method)) {
return false;
}
set_public(method);
relocate_method(method, to_type);
change_visibility(method);
return true;
}
Post::Post() {
set_public(false);
}
