diff options
Diffstat (limited to 'core/object/reference.cpp')
| -rw-r--r-- | core/object/reference.cpp | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/core/object/reference.cpp b/core/object/reference.cpp deleted file mode 100644 index 086b761e95..0000000000 --- a/core/object/reference.cpp +++ /dev/null @@ -1,138 +0,0 @@ -/*************************************************************************/ -/* reference.cpp */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* https://godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ -/* */ -/* Permission is hereby granted, free of charge, to any person obtaining */ -/* a copy of this software and associated documentation files (the */ -/* "Software"), to deal in the Software without restriction, including */ -/* without limitation the rights to use, copy, modify, merge, publish, */ -/* distribute, sublicense, and/or sell copies of the Software, and to */ -/* permit persons to whom the Software is furnished to do so, subject to */ -/* the following conditions: */ -/* */ -/* The above copyright notice and this permission notice shall be */ -/* included in all copies or substantial portions of the Software. */ -/* */ -/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ -/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ -/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ -/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ -/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ -/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ -/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -/*************************************************************************/ - -#include "reference.h" - -#include "core/object/script_language.h" - -bool Reference::init_ref() { - if (reference()) { - if (!is_referenced() && refcount_init.unref()) { - unreference(); // first referencing is already 1, so compensate for the ref above - } - - return true; - } else { - return false; - } -} - -void Reference::_bind_methods() { - ClassDB::bind_method(D_METHOD("init_ref"), &Reference::init_ref); - ClassDB::bind_method(D_METHOD("reference"), &Reference::reference); - ClassDB::bind_method(D_METHOD("unreference"), &Reference::unreference); -} - -int Reference::reference_get_count() const { - return refcount.get(); -} - -bool Reference::reference() { - uint32_t rc_val = refcount.refval(); - bool success = rc_val != 0; - - if (success && rc_val <= 2 /* higher is not relevant */) { - if (get_script_instance()) { - get_script_instance()->refcount_incremented(); - } - if (_get_extension() && _get_extension()->reference) { - _get_extension()->reference(_get_extension_instance()); - } - if (instance_binding_count.get() > 0 && !ScriptServer::are_languages_finished()) { - for (int i = 0; i < MAX_SCRIPT_INSTANCE_BINDINGS; i++) { - if (_script_instance_bindings[i]) { - ScriptServer::get_language(i)->refcount_incremented_instance_binding(this); - } - } - } - } - - return success; -} - -bool Reference::unreference() { - uint32_t rc_val = refcount.unrefval(); - bool die = rc_val == 0; - - if (rc_val <= 1 /* higher is not relevant */) { - if (get_script_instance()) { - bool script_ret = get_script_instance()->refcount_decremented(); - die = die && script_ret; - } - if (_get_extension() && _get_extension()->unreference) { - _get_extension()->unreference(_get_extension_instance()); - } - if (instance_binding_count.get() > 0 && !ScriptServer::are_languages_finished()) { - for (int i = 0; i < MAX_SCRIPT_INSTANCE_BINDINGS; i++) { - if (_script_instance_bindings[i]) { - bool script_ret = ScriptServer::get_language(i)->refcount_decremented_instance_binding(this); - die = die && script_ret; - } - } - } - } - - return die; -} - -Reference::Reference() : - Object(true) { - refcount.init(); - refcount_init.init(); -} - -Variant WeakRef::get_ref() const { - if (ref.is_null()) { - return Variant(); - } - - Object *obj = ObjectDB::get_instance(ref); - if (!obj) { - return Variant(); - } - Reference *r = cast_to<Reference>(obj); - if (r) { - return REF(r); - } - - return obj; -} - -void WeakRef::set_obj(Object *p_object) { - ref = p_object ? p_object->get_instance_id() : ObjectID(); -} - -void WeakRef::set_ref(const REF &p_ref) { - ref = p_ref.is_valid() ? p_ref->get_instance_id() : ObjectID(); -} - -void WeakRef::_bind_methods() { - ClassDB::bind_method(D_METHOD("get_ref"), &WeakRef::get_ref); -} |