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Merge pull request #38507 from RandomShaper/fix_cleanup_info_3.2

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Fix potential crash when listing leaked objects (3.2)
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Rémi Verschelde 2020-06-10 21:49:33 +02:00 committed by GitHub
commit 1df2e81d3e
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1 changed files with 11 additions and 4 deletions
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15
core/object.cpp
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@ -2134,15 +2134,22 @@ void ObjectDB::cleanup() {
WARN_PRINT("ObjectDB instances leaked at exit (run with --verbose for details).");
if (OS::get_singleton()->is_stdout_verbose()) {
// Ensure calling the native classes because if a leaked instance has a script
// that overrides any of those methods, it'd not be OK to call them at this point,
// now the scripting languages have already been terminated.
MethodBind *node_get_name = ClassDB::get_method("Node", "get_name");
MethodBind *resource_get_path = ClassDB::get_method("Resource", "get_path");
Variant::CallError call_error;
const ObjectID *K = NULL;
while ((K = instances.next(K))) {
String node_name;
String extra_info;
if (instances[*K]->is_class("Node"))
node_name = " - Node name: " + String(instances[*K]->call("get_name"));
extra_info = " - Node name: " + String(node_get_name->call(instances[*K], NULL, 0, call_error));
if (instances[*K]->is_class("Resource"))
node_name = " - Resource path: " + String(instances[*K]->call("get_path"));
print_line("Leaked instance: " + String(instances[*K]->get_class()) + ":" + itos(*K) + node_name);
extra_info = " - Resource path: " + String(resource_get_path->call(instances[*K], NULL, 0, call_error));
print_line("Leaked instance: " + String(instances[*K]->get_class()) + ":" + itos(*K) + extra_info);
}
print_line("Hint: Leaked instances typically happen when nodes are removed from the scene tree (with `remove_child()`) but not freed (with `free()` or `queue_free()`).");
}