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Fix unsafe uses of Callable.is_null()

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`Callable.is_null()` is not equivalent to `!Callable.is_valid()` and
doesn't guarantee the call is valid.
This commit is contained in:
A Thousand Ships 2024-04-27 11:56:39 +02:00
parent 6118592c6d
commit 31e7ee63f2
No known key found for this signature in database
GPG Key ID: 2033189A662F8BD7
19 changed files with 40 additions and 40 deletions
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2
core/core_bind.cpp
View File

@ -1921,7 +1921,7 @@ void EngineDebugger::send_message(const String &p_msg, const Array &p_data) {
Error EngineDebugger::call_capture(void *p_user, const String &p_cmd, const Array &p_data, bool &r_captured) {
Callable &capture = *(Callable *)p_user;
if (capture.is_null()) {
if (!capture.is_valid()) {
return FAILED;
}
Variant cmd = p_cmd, data = p_data;

4
core/object/object.cpp
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@ -1455,7 +1455,7 @@ Error Object::connect(const StringName &p_signal, const Callable &p_callable, ui
}
bool Object::is_connected(const StringName &p_signal, const Callable &p_callable) const {
ERR_FAIL_COND_V_MSG(p_callable.is_null(), false, "Cannot determine if connected to '" + p_signal + "': the provided callable is null.");
ERR_FAIL_COND_V_MSG(p_callable.is_null(), false, "Cannot determine if connected to '" + p_signal + "': the provided callable is null."); // Should use `is_null`, see note in `connect` about the use of `is_valid`.
const SignalData *s = signal_map.getptr(p_signal);
if (!s) {
bool signal_is_valid = ClassDB::has_signal(get_class_name(), p_signal);
@ -1478,7 +1478,7 @@ void Object::disconnect(const StringName &p_signal, const Callable &p_callable)
}
bool Object::_disconnect(const StringName &p_signal, const Callable &p_callable, bool p_force) {
ERR_FAIL_COND_V_MSG(p_callable.is_null(), false, "Cannot disconnect from '" + p_signal + "': the provided callable is null.");
ERR_FAIL_COND_V_MSG(p_callable.is_null(), false, "Cannot disconnect from '" + p_signal + "': the provided callable is null."); // Should use `is_null`, see note in `connect` about the use of `is_valid`.
SignalData *s = signal_map.getptr(p_signal);
if (!s) {

4
core/object/undo_redo.cpp
View File

@ -144,7 +144,7 @@ void UndoRedo::create_action(const String &p_name, MergeMode p_mode, bool p_back
}
void UndoRedo::add_do_method(const Callable &p_callable) {
ERR_FAIL_COND(p_callable.is_null());
ERR_FAIL_COND(!p_callable.is_valid());
ERR_FAIL_COND(action_level <= 0);
ERR_FAIL_COND((current_action + 1) >= actions.size());
@ -169,7 +169,7 @@ void UndoRedo::add_do_method(const Callable &p_callable) {
}
void UndoRedo::add_undo_method(const Callable &p_callable) {
ERR_FAIL_COND(p_callable.is_null());
ERR_FAIL_COND(!p_callable.is_valid());
ERR_FAIL_COND(action_level <= 0);
ERR_FAIL_COND((current_action + 1) >= actions.size());

4
drivers/gles3/storage/utilities.cpp
View File

@ -299,7 +299,7 @@ void Utilities::visibility_notifier_call(RID p_notifier, bool p_enter, bool p_de
ERR_FAIL_NULL(vn);
if (p_enter) {
if (!vn->enter_callback.is_null()) {
if (vn->enter_callback.is_valid()) {
if (p_deferred) {
vn->enter_callback.call_deferred();
} else {
@ -307,7 +307,7 @@ void Utilities::visibility_notifier_call(RID p_notifier, bool p_enter, bool p_de
}
}
} else {
if (!vn->exit_callback.is_null()) {
if (vn->exit_callback.is_valid()) {
if (p_deferred) {
vn->exit_callback.call_deferred();
} else {

2
editor/gui/editor_validation_panel.cpp
View File

@ -81,7 +81,7 @@ void EditorValidationPanel::set_update_callback(const Callable &p_callback) {
}
void EditorValidationPanel::update() {
ERR_FAIL_COND(update_callback.is_null());
ERR_FAIL_COND(!update_callback.is_valid());
if (pending_update) {
return;

2
platform/android/display_server_android.cpp
View File

@ -326,7 +326,7 @@ void DisplayServerAndroid::window_set_drop_files_callback(const Callable &p_call
}
void DisplayServerAndroid::_window_callback(const Callable &p_callable, const Variant &p_arg, bool p_deferred) const {
if (!p_callable.is_null()) {
if (p_callable.is_valid()) {
if (p_deferred) {
p_callable.call_deferred(p_arg);
} else {

2
platform/ios/display_server_ios.mm
View File

@ -218,7 +218,7 @@ void DisplayServerIOS::send_window_event(DisplayServer::WindowEvent p_event) con
}
void DisplayServerIOS::_window_callback(const Callable &p_callable, const Variant &p_arg) const {
if (!p_callable.is_null()) {
if (p_callable.is_valid()) {
p_callable.call(p_arg);
}
}

2
platform/linuxbsd/x11/display_server_x11.cpp
View File

@ -4992,7 +4992,7 @@ void DisplayServerX11::process_events() {
files.write[i] = files[i].replace("file://", "").uri_decode();
}
if (!windows[window_id].drop_files_callback.is_null()) {
if (windows[window_id].drop_files_callback.is_valid()) {
windows[window_id].drop_files_callback.call(files);
}

12
platform/macos/display_server_macos.mm
View File

@ -938,7 +938,7 @@ Error DisplayServerMacOS::dialog_show(String p_title, String p_description, Vect
button_pressed = int64_t(2 + (ret - NSAlertThirdButtonReturn));
}
if (!p_callback.is_null()) {
if (p_callback.is_valid()) {
Variant ret;
Callable::CallError ce;
const Variant *args[1] = { &button_pressed };
@ -1018,7 +1018,7 @@ Error DisplayServerMacOS::_file_dialog_with_options_show(const String &p_title,
String url;
url.parse_utf8([[[panel URL] path] UTF8String]);
files.push_back(url);
if (!callback.is_null()) {
if (callback.is_valid()) {
if (p_options_in_cb) {
Variant v_result = true;
Variant v_files = files;
@ -1047,7 +1047,7 @@ Error DisplayServerMacOS::_file_dialog_with_options_show(const String &p_title,
}
}
} else {
if (!callback.is_null()) {
if (callback.is_valid()) {
if (p_options_in_cb) {
Variant v_result = false;
Variant v_files = Vector<String>();
@ -1134,7 +1134,7 @@ Error DisplayServerMacOS::_file_dialog_with_options_show(const String &p_title,
url.parse_utf8([[[urls objectAtIndex:i] path] UTF8String]);
files.push_back(url);
}
if (!callback.is_null()) {
if (callback.is_valid()) {
if (p_options_in_cb) {
Variant v_result = true;
Variant v_files = files;
@ -1163,7 +1163,7 @@ Error DisplayServerMacOS::_file_dialog_with_options_show(const String &p_title,
}
}
} else {
if (!callback.is_null()) {
if (callback.is_valid()) {
if (p_options_in_cb) {
Variant v_result = false;
Variant v_files = Vector<String>();
@ -1222,7 +1222,7 @@ Error DisplayServerMacOS::dialog_input_text(String p_title, String p_description
String ret;
ret.parse_utf8([[input stringValue] UTF8String]);
if (!p_callback.is_null()) {
if (p_callback.is_valid()) {
Variant v_result = ret;
Variant ret;
Callable::CallError ce;

2
platform/macos/godot_content_view.mm
View File

@ -313,7 +313,7 @@
}
DisplayServerMacOS::WindowData &wd = ds->get_window(window_id);
if (!wd.drop_files_callback.is_null()) {
if (wd.drop_files_callback.is_valid()) {
Vector<String> files;
NSPasteboard *pboard = [sender draggingPasteboard];

4
platform/macos/godot_window_delegate.mm
View File

@ -268,7 +268,7 @@
ds->window_resize(window_id, wd.size.width, wd.size.height);
if (!wd.rect_changed_callback.is_null()) {
if (wd.rect_changed_callback.is_valid()) {
wd.rect_changed_callback.call(Rect2i(ds->window_get_position(window_id), ds->window_get_size(window_id)));
}
}
@ -291,7 +291,7 @@
DisplayServerMacOS::WindowData &wd = ds->get_window(window_id);
ds->release_pressed_events();
if (!wd.rect_changed_callback.is_null()) {
if (wd.rect_changed_callback.is_valid()) {
wd.rect_changed_callback.call(Rect2i(ds->window_get_position(window_id), ds->window_get_size(window_id)));
}
}

10
platform/web/display_server_web.cpp
View File

@ -58,7 +58,7 @@ DisplayServerWeb *DisplayServerWeb::get_singleton() {
// Window (canvas)
bool DisplayServerWeb::check_size_force_redraw() {
bool size_changed = godot_js_display_size_update() != 0;
if (size_changed && !rect_changed_callback.is_null()) {
if (size_changed && rect_changed_callback.is_valid()) {
Size2i window_size = window_get_size();
Variant size = Rect2i(Point2i(), window_size); // TODO use window_get_position if implemented.
rect_changed_callback.call(size);
@ -109,7 +109,7 @@ void DisplayServerWeb::_drop_files_js_callback(const Vector<String> &p_files) {
if (!ds) {
ERR_FAIL_MSG("Unable to drop files because the DisplayServer is not active");
}
if (ds->drop_files_callback.is_null()) {
if (!ds->drop_files_callback.is_valid()) {
return;
}
ds->drop_files_callback.call(p_files);
@ -129,7 +129,7 @@ void DisplayServerWeb::request_quit_callback() {
void DisplayServerWeb::_request_quit_callback() {
DisplayServerWeb *ds = get_singleton();
if (ds && !ds->window_event_callback.is_null()) {
if (ds && ds->window_event_callback.is_valid()) {
Variant event = int(DisplayServer::WINDOW_EVENT_CLOSE_REQUEST);
ds->window_event_callback.call(event);
}
@ -722,7 +722,7 @@ void DisplayServerWeb::vk_input_text_callback(const char *p_text, int p_cursor)
void DisplayServerWeb::_vk_input_text_callback(const String &p_text, int p_cursor) {
DisplayServerWeb *ds = DisplayServerWeb::get_singleton();
if (!ds || ds->input_text_callback.is_null()) {
if (!ds || !ds->input_text_callback.is_valid()) {
return;
}
// Call input_text
@ -972,7 +972,7 @@ void DisplayServerWeb::_send_window_event_callback(int p_notification) {
if (godot_js_is_ime_focused() && (p_notification == DisplayServer::WINDOW_EVENT_FOCUS_IN || p_notification == DisplayServer::WINDOW_EVENT_FOCUS_OUT)) {
return;
}
if (!ds->window_event_callback.is_null()) {
if (ds->window_event_callback.is_valid()) {
Variant event = int(p_notification);
ds->window_event_callback.call(event);
}

2
platform/web/javascript_bridge_singleton.cpp
View File

@ -248,7 +248,7 @@ Variant JavaScriptObjectImpl::callp(const StringName &p_method, const Variant **
void JavaScriptObjectImpl::callback(void *p_ref, int p_args_id, int p_argc) {
const JavaScriptObjectImpl *obj = (JavaScriptObjectImpl *)p_ref;
ERR_FAIL_COND_MSG(obj->_callable.is_null(), "JavaScript callback failed.");
ERR_FAIL_COND_MSG(!obj->_callable.is_valid(), "JavaScript callback failed.");
Vector<const Variant *> argp;
Array arg_arr;

10
platform/windows/display_server_windows.cpp
View File

@ -545,7 +545,7 @@ Error DisplayServerWindows::_file_dialog_with_options_show(const String &p_title
result->Release();
}
}
if (!p_callback.is_null()) {
if (p_callback.is_valid()) {
if (p_options_in_cb) {
Variant v_result = true;
Variant v_files = file_names;
@ -574,7 +574,7 @@ Error DisplayServerWindows::_file_dialog_with_options_show(const String &p_title
}
}
} else {
if (!p_callback.is_null()) {
if (p_callback.is_valid()) {
if (p_options_in_cb) {
Variant v_result = false;
Variant v_files = Vector<String>();
@ -2556,7 +2556,7 @@ Error DisplayServerWindows::dialog_show(String p_title, String p_description, Ve
int button_pressed;
if (task_dialog_indirect && SUCCEEDED(task_dialog_indirect(&config, &button_pressed, nullptr, nullptr))) {
if (!p_callback.is_null()) {
if (p_callback.is_valid()) {
Variant button = button_pressed;
const Variant *args[1] = { &button };
Variant ret;
@ -4591,7 +4591,7 @@ LRESULT DisplayServerWindows::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARA
}
if (rect_changed) {
if (!window.rect_changed_callback.is_null()) {
if (window.rect_changed_callback.is_valid()) {
window.rect_changed_callback.call(Rect2i(window.last_pos.x, window.last_pos.y, window.width, window.height));
}
@ -4803,7 +4803,7 @@ LRESULT DisplayServerWindows::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARA
files.push_back(file);
}
if (files.size() && !windows[window_id].drop_files_callback.is_null()) {
if (files.size() && windows[window_id].drop_files_callback.is_valid()) {
windows[window_id].drop_files_callback.call(files);
}
} break;

4
servers/physics_2d/godot_area_2d.h
View File

@ -101,10 +101,10 @@ class GodotArea2D : public GodotCollisionObject2D {
public:
void set_monitor_callback(const Callable &p_callback);
_FORCE_INLINE_ bool has_monitor_callback() const { return !monitor_callback.is_null(); }
_FORCE_INLINE_ bool has_monitor_callback() const { return monitor_callback.is_valid(); }
void set_area_monitor_callback(const Callable &p_callback);
_FORCE_INLINE_ bool has_area_monitor_callback() const { return !area_monitor_callback.is_null(); }
_FORCE_INLINE_ bool has_area_monitor_callback() const { return area_monitor_callback.is_valid(); }
_FORCE_INLINE_ void add_body_to_query(GodotBody2D *p_body, uint32_t p_body_shape, uint32_t p_area_shape);
_FORCE_INLINE_ void remove_body_from_query(GodotBody2D *p_body, uint32_t p_body_shape, uint32_t p_area_shape);

4
servers/physics_3d/godot_area_3d.h
View File

@ -107,10 +107,10 @@ class GodotArea3D : public GodotCollisionObject3D {
public:
void set_monitor_callback(const Callable &p_callback);
_FORCE_INLINE_ bool has_monitor_callback() const { return !monitor_callback.is_null(); }
_FORCE_INLINE_ bool has_monitor_callback() const { return monitor_callback.is_valid(); }
void set_area_monitor_callback(const Callable &p_callback);
_FORCE_INLINE_ bool has_area_monitor_callback() const { return !area_monitor_callback.is_null(); }
_FORCE_INLINE_ bool has_area_monitor_callback() const { return area_monitor_callback.is_valid(); }
_FORCE_INLINE_ void add_body_to_query(GodotBody3D *p_body, uint32_t p_body_shape, uint32_t p_area_shape);
_FORCE_INLINE_ void remove_body_from_query(GodotBody3D *p_body, uint32_t p_body_shape, uint32_t p_area_shape);

4
servers/rendering/renderer_canvas_cull.cpp
View File

@ -2106,7 +2106,7 @@ void RendererCanvasCull::update_visibility_notifiers() {
if (visibility_notifier->just_visible) {
visibility_notifier->just_visible = false;
if (!visibility_notifier->enter_callable.is_null()) {
if (visibility_notifier->enter_callable.is_valid()) {
if (RSG::threaded) {
visibility_notifier->enter_callable.call_deferred();
} else {
@ -2117,7 +2117,7 @@ void RendererCanvasCull::update_visibility_notifiers() {
if (visibility_notifier->visible_in_frame != RSG::rasterizer->get_frame_number()) {
visibility_notifier_list.remove(E);
if (!visibility_notifier->exit_callable.is_null()) {
if (visibility_notifier->exit_callable.is_valid()) {
if (RSG::threaded) {
visibility_notifier->exit_callable.call_deferred();
} else {

4
servers/rendering/renderer_rd/storage_rd/utilities.cpp
View File

@ -198,7 +198,7 @@ void Utilities::visibility_notifier_call(RID p_notifier, bool p_enter, bool p_de
ERR_FAIL_NULL(vn);
if (p_enter) {
if (!vn->enter_callback.is_null()) {
if (vn->enter_callback.is_valid()) {
if (p_deferred) {
vn->enter_callback.call_deferred();
} else {
@ -206,7 +206,7 @@ void Utilities::visibility_notifier_call(RID p_notifier, bool p_enter, bool p_de
}
}
} else {
if (!vn->exit_callback.is_null()) {
if (vn->exit_callback.is_valid()) {
if (p_deferred) {
vn->exit_callback.call_deferred();
} else {

2
tests/display_server_mock.h
View File

@ -86,7 +86,7 @@ private:
}
void _send_window_event(WindowEvent p_event) {
if (!event_callback.is_null()) {
if (event_callback.is_valid()) {
Variant event = int(p_event);
event_callback.call(event);
}