mirror of
https://github.com/godotengine/godot.git
synced 2024-11-22 20:23:53 +00:00
f8ab79e68a
This prevents the pitfall of UB when checking if they have been assigned something valid by comparing to nullptr.
98 lines
4.4 KiB
C++
98 lines
4.4 KiB
C++
/*************************************************************************/
|
|
/* signal_awaiter_utils.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2022 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. */
|
|
/*************************************************************************/
|
|
|
|
#ifndef SIGNAL_AWAITER_UTILS_H
|
|
#define SIGNAL_AWAITER_UTILS_H
|
|
|
|
#include "core/object/ref_counted.h"
|
|
|
|
#include "csharp_script.h"
|
|
#include "mono_gc_handle.h"
|
|
|
|
Error gd_mono_connect_signal_awaiter(Object *p_source, const StringName &p_signal, Object *p_target, MonoObject *p_awaiter);
|
|
|
|
class SignalAwaiterCallable : public CallableCustom {
|
|
ObjectID target_id;
|
|
MonoGCHandleData awaiter_handle;
|
|
StringName signal;
|
|
|
|
public:
|
|
static bool compare_equal(const CallableCustom *p_a, const CallableCustom *p_b);
|
|
static bool compare_less(const CallableCustom *p_a, const CallableCustom *p_b);
|
|
|
|
static constexpr CompareEqualFunc compare_equal_func_ptr = &SignalAwaiterCallable::compare_equal;
|
|
static constexpr CompareEqualFunc compare_less_func_ptr = &SignalAwaiterCallable::compare_less;
|
|
|
|
uint32_t hash() const override;
|
|
|
|
String get_as_text() const override;
|
|
|
|
CompareEqualFunc get_compare_equal_func() const override;
|
|
CompareLessFunc get_compare_less_func() const override;
|
|
|
|
ObjectID get_object() const override;
|
|
|
|
_FORCE_INLINE_ StringName get_signal() const { return signal; }
|
|
|
|
void call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const override;
|
|
|
|
SignalAwaiterCallable(Object *p_target, MonoObject *p_awaiter, const StringName &p_signal);
|
|
~SignalAwaiterCallable();
|
|
};
|
|
|
|
class EventSignalCallable : public CallableCustom {
|
|
Object *owner = nullptr;
|
|
const CSharpScript::EventSignal *event_signal;
|
|
|
|
public:
|
|
static bool compare_equal(const CallableCustom *p_a, const CallableCustom *p_b);
|
|
static bool compare_less(const CallableCustom *p_a, const CallableCustom *p_b);
|
|
|
|
static constexpr CompareEqualFunc compare_equal_func_ptr = &EventSignalCallable::compare_equal;
|
|
static constexpr CompareEqualFunc compare_less_func_ptr = &EventSignalCallable::compare_less;
|
|
|
|
uint32_t hash() const override;
|
|
|
|
String get_as_text() const override;
|
|
|
|
CompareEqualFunc get_compare_equal_func() const override;
|
|
CompareLessFunc get_compare_less_func() const override;
|
|
|
|
ObjectID get_object() const override;
|
|
|
|
StringName get_signal() const;
|
|
|
|
void call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const override;
|
|
|
|
EventSignalCallable(Object *p_owner, const CSharpScript::EventSignal *p_event_signal);
|
|
};
|
|
|
|
#endif // SIGNAL_AWAITER_UTILS_H
|