113 lines
4.2 KiB
C++
113 lines
4.2 KiB
C++
/*************************************************************************/
|
|
/* mono_gc_handle.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2020 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 CSHARP_GC_HANDLE_H
|
|
#define CSHARP_GC_HANDLE_H
|
|
|
|
#include <mono/jit/jit.h>
|
|
|
|
#include "core/reference.h"
|
|
|
|
namespace gdmono {
|
|
|
|
enum class GCHandleType : char {
|
|
NIL,
|
|
STRONG_HANDLE,
|
|
WEAK_HANDLE
|
|
};
|
|
|
|
}
|
|
|
|
// Manual release of the GC handle must be done when using this struct
|
|
struct MonoGCHandleData {
|
|
uint32_t handle;
|
|
gdmono::GCHandleType type;
|
|
|
|
_FORCE_INLINE_ bool is_released() const { return !handle; }
|
|
_FORCE_INLINE_ bool is_weak() const { return type == gdmono::GCHandleType::WEAK_HANDLE; }
|
|
|
|
_FORCE_INLINE_ MonoObject *get_target() const { return handle ? mono_gchandle_get_target(handle) : nullptr; }
|
|
|
|
void release();
|
|
|
|
MonoGCHandleData &operator=(const MonoGCHandleData &p_other) {
|
|
#ifdef DEBUG_ENABLED
|
|
CRASH_COND(!is_released());
|
|
#endif
|
|
handle = p_other.handle;
|
|
type = p_other.type;
|
|
return *this;
|
|
}
|
|
|
|
MonoGCHandleData(const MonoGCHandleData &) = default;
|
|
|
|
MonoGCHandleData() :
|
|
handle(0),
|
|
type(gdmono::GCHandleType::NIL) {
|
|
}
|
|
|
|
MonoGCHandleData(uint32_t p_handle, gdmono::GCHandleType p_type) :
|
|
handle(p_handle),
|
|
type(p_type) {
|
|
}
|
|
|
|
static MonoGCHandleData new_strong_handle(MonoObject *p_object);
|
|
static MonoGCHandleData new_strong_handle_pinned(MonoObject *p_object);
|
|
static MonoGCHandleData new_weak_handle(MonoObject *p_object);
|
|
};
|
|
|
|
class MonoGCHandleRef : public Reference {
|
|
|
|
GDCLASS(MonoGCHandleRef, Reference);
|
|
|
|
MonoGCHandleData data;
|
|
|
|
public:
|
|
static Ref<MonoGCHandleRef> create_strong(MonoObject *p_object);
|
|
static Ref<MonoGCHandleRef> create_weak(MonoObject *p_object);
|
|
|
|
_FORCE_INLINE_ bool is_released() const { return data.is_released(); }
|
|
_FORCE_INLINE_ bool is_weak() const { return data.is_weak(); }
|
|
|
|
_FORCE_INLINE_ MonoObject *get_target() const { return data.get_target(); }
|
|
|
|
void release() { data.release(); }
|
|
|
|
_FORCE_INLINE_ void set_handle(uint32_t p_handle, gdmono::GCHandleType p_handle_type) {
|
|
data = MonoGCHandleData(p_handle, p_handle_type);
|
|
}
|
|
|
|
MonoGCHandleRef(const MonoGCHandleData &p_gc_handle_data) :
|
|
data(p_gc_handle_data) {
|
|
}
|
|
~MonoGCHandleRef() { release(); }
|
|
};
|
|
|
|
#endif // CSHARP_GC_HANDLE_H
|