bool check_cast(const DexType* type, const DexType* base_type) {
if (type == base_type) return true;
const auto cls = type_class(type);
if (cls == nullptr) return false;
if (check_cast(cls->get_super_class(), base_type)) return true;
auto intfs = cls->get_interfaces();
for (auto intf : intfs->get_type_list()) {
if (check_cast(intf, base_type)) return true;
}
return false;
}
int check_operation(ast::abstract::Operation* op) {
assert(op != nullptr);
switch(*op) {
case ast::VariableNode:
return check_variable(dynamic_cast<ast::Variable*>(op));
break;
case ast::ConstantNode:
return check_constant(dynamic_cast<ast::Constant*>(op));
break;
case ast::CastNode:
return check_cast(dynamic_cast<ast::Cast*>(op));
break;
case ast::UnOpNode:
return check_un_op(dynamic_cast<ast::UnOp*>(op));
break;
case ast::BinOpNode:
return check_bin_op(dynamic_cast<ast::BinOp*>(op));
break;
case ast::CallNode:
return check_call(dynamic_cast<ast::Call*>(op));
break;
}
assert(false);
return EXIT_FAILURE;
}
std::vector<const DexMethod*> select_from(const VirtualScope* scope,
const DexType* type) {
std::vector<const DexMethod*> refined_scope;
std::unordered_map<const DexType*, DexMethod*> non_child_methods;
bool found_root_method = false;
for (const auto& method : scope->methods) {
if (check_cast(method.first->get_class(), type)) {
found_root_method =
found_root_method || type == method.first->get_class();
refined_scope.emplace_back(method.first);
} else {
non_child_methods[method.first->get_class()] = method.first;
}
}
if (!found_root_method) {
auto cls = type_class(type);
while (cls != nullptr) {
const auto super = cls->get_super_class();
const auto& meth = non_child_methods.find(super);
if (meth != non_child_methods.end()) {
refined_scope.emplace_back(meth->second);
return refined_scope;
}
cls = type_class(super);
}
}
return refined_scope;
}
CAMLexport GdkPixmap *GdkPixmap_val(value val)
{
if (!Field(val,1)) ml_raise_gdk ("attempt to use destroyed GdkPixmap");
return check_cast(GDK_PIXMAP,val);
}
CAMLexport GdkImage *GdkImage_val(value val)
{
if (!Field(val,1)) ml_raise_gdk ("attempt to use destroyed GdkImage");
return check_cast(GDK_IMAGE,val);
}
