b5334d14f7
Happy new year to the wonderful Godot community!
2020 has been a tough year for most of us personally, but a good year for
Godot development nonetheless with a huge amount of work done towards Godot
4.0 and great improvements backported to the long-lived 3.2 branch.
We've had close to 400 contributors to engine code this year, authoring near
7,000 commit! (And that's only for the `master` branch and for the engine code,
there's a lot more when counting docs, demos and other first-party repos.)
Here's to a great year 2021 for all Godot users 🎆
108 lines
4.2 KiB
C++
108 lines
4.2 KiB
C++
/*************************************************************************/
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/* mono_gc_handle.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef CSHARP_GC_HANDLE_H
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#define CSHARP_GC_HANDLE_H
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#include <mono/jit/jit.h>
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#include "core/object/reference.h"
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namespace gdmono {
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enum class GCHandleType : char {
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NIL,
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STRONG_HANDLE,
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WEAK_HANDLE
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};
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}
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// Manual release of the GC handle must be done when using this struct
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struct MonoGCHandleData {
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uint32_t handle = 0;
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gdmono::GCHandleType type = gdmono::GCHandleType::NIL;
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_FORCE_INLINE_ bool is_released() const { return !handle; }
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_FORCE_INLINE_ bool is_weak() const { return type == gdmono::GCHandleType::WEAK_HANDLE; }
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_FORCE_INLINE_ MonoObject *get_target() const { return handle ? mono_gchandle_get_target(handle) : nullptr; }
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void release();
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MonoGCHandleData &operator=(const MonoGCHandleData &p_other) {
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#ifdef DEBUG_ENABLED
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CRASH_COND(!is_released());
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#endif
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handle = p_other.handle;
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type = p_other.type;
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return *this;
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}
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MonoGCHandleData(const MonoGCHandleData &) = default;
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MonoGCHandleData() {}
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MonoGCHandleData(uint32_t p_handle, gdmono::GCHandleType p_type) :
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handle(p_handle),
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type(p_type) {
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}
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static MonoGCHandleData new_strong_handle(MonoObject *p_object);
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static MonoGCHandleData new_strong_handle_pinned(MonoObject *p_object);
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static MonoGCHandleData new_weak_handle(MonoObject *p_object);
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};
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class MonoGCHandleRef : public Reference {
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GDCLASS(MonoGCHandleRef, Reference);
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MonoGCHandleData data;
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public:
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static Ref<MonoGCHandleRef> create_strong(MonoObject *p_object);
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static Ref<MonoGCHandleRef> create_weak(MonoObject *p_object);
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_FORCE_INLINE_ bool is_released() const { return data.is_released(); }
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_FORCE_INLINE_ bool is_weak() const { return data.is_weak(); }
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_FORCE_INLINE_ MonoObject *get_target() const { return data.get_target(); }
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void release() { data.release(); }
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_FORCE_INLINE_ void set_handle(uint32_t p_handle, gdmono::GCHandleType p_handle_type) {
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data = MonoGCHandleData(p_handle, p_handle_type);
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}
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MonoGCHandleRef(const MonoGCHandleData &p_gc_handle_data) :
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data(p_gc_handle_data) {
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}
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~MonoGCHandleRef() { release(); }
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};
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#endif // CSHARP_GC_HANDLE_H
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