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/**************************************************************************/

/* javascript_gc_handler.h */

/**************************************************************************/

/* This file is part of: */

/* GODOT ENGINE */

/* https://godotengine.org */

/**************************************************************************/

/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */

/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */

/* */

/* 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 JAVASCRIPT_GC_HANDLER_H

#define JAVASCRIPT_GC_HANDLER_H

#include "core/object/object.h"

#include "core/object/ref_counted.h"

#include "core/variant/variant.h"

#define PROTOTYPE_LITERAL "prototype"

#define PROTO_LITERAL "__proto__"

#define TO_STRING_LITERAL "toString"

#define JS_CLASS_NAME_LITERAL "class_name"

#define GODOT_OBJECT_NAME "godot"

struct JavaScriptGCHandler {

enum {

FLAG_NONE = 0,

FLAG_ATOMIC_VALUE = 1 << 1,

FLAG_BUILTIN_CLASS = 1 << 2,

FLAG_OBJECT = 1 << 3,

FLAG_REF_COUNTED = 1 << 4,

FLAG_FINALIZED = 1 << 5,

FLAG_TRANSFERABLE = 1 << 6,

};

Variant::Type type;

uint8_t flags;

void *context;

void *javascript_object;

union {

Object *godot_object;

void *godot_builtin_object_ptr;

void *native_ptr;

};

_FORCE_INLINE_ Variant get_value() const {

switch (type) {

case Variant::OBJECT:

return godot_object;

case Variant::VECTOR2:

return *(static_cast<Vector2 *>(godot_builtin_object_ptr));

case Variant::RECT2:

return *(static_cast<Rect2 *>(godot_builtin_object_ptr));

case Variant::QUATERNION:

return *(static_cast<Quaternion *>(godot_builtin_object_ptr));

case Variant::COLOR:

return *(static_cast<Color *>(godot_builtin_object_ptr));

case Variant::RID:

return *(static_cast<RID *>(godot_builtin_object_ptr));

case Variant::TRANSFORM3D:

return *(static_cast<Transform3D *>(godot_builtin_object_ptr));

case Variant::TRANSFORM2D:

return *(static_cast<Transform2D *>(godot_builtin_object_ptr));

case Variant::BASIS:

return *(static_cast<Basis *>(godot_builtin_object_ptr));

case Variant::VECTOR3:

return *(static_cast<Vector3 *>(godot_builtin_object_ptr));

case Variant::PLANE:

return *(static_cast<Plane *>(godot_builtin_object_ptr));

case Variant::AABB:

return *(static_cast<AABB *>(godot_builtin_object_ptr));

case Variant::PACKED_INT32_ARRAY:

return *(static_cast<PackedInt32Array *>(godot_builtin_object_ptr));

case Variant::PACKED_INT64_ARRAY:

return *(static_cast<PackedInt64Array *>(godot_builtin_object_ptr));

case Variant::PACKED_BYTE_ARRAY:

return *(static_cast<PackedByteArray *>(godot_builtin_object_ptr));

case Variant::PACKED_FLOAT32_ARRAY:

return *(static_cast<PackedFloat32Array *>(godot_builtin_object_ptr));

case Variant::PACKED_FLOAT64_ARRAY:

return *(static_cast<PackedFloat64Array *>(godot_builtin_object_ptr));

case Variant::PACKED_COLOR_ARRAY:

return *(static_cast<PackedColorArray *>(godot_builtin_object_ptr));

case Variant::PACKED_STRING_ARRAY:

return *(static_cast<PackedStringArray *>(godot_builtin_object_ptr));

case Variant::PACKED_VECTOR2_ARRAY:

return *(static_cast<PackedVector2Array *>(godot_builtin_object_ptr));

case Variant::PACKED_VECTOR3_ARRAY:

return *(static_cast<PackedVector3Array *>(godot_builtin_object_ptr));

default:

return Variant();

}

return Variant();

}

_FORCE_INLINE_ Object *get_godot_object() {

if (flags & FLAG_OBJECT) {

return godot_object;

}

return nullptr;

}

_FORCE_INLINE_ Vector2 *getVector2() const { return static_cast<Vector2 *>(godot_builtin_object_ptr); }

_FORCE_INLINE_ Rect2 *getRect2() const { return static_cast<Rect2 *>(godot_builtin_object_ptr); }

_FORCE_INLINE_ Color *getColor() const { return static_cast<Color *>(godot_builtin_object_ptr); }

_FORCE_INLINE_ AABB *getAABB() const { return static_cast<AABB *>(godot_builtin_object_ptr); }

_FORCE_INLINE_ Vector3 *getVector3() const { return static_cast<Vector3 *>(godot_builtin_object_ptr); }

_FORCE_INLINE_ Transform2D *getTransform2D() const { return static_cast<Transform2D *>(godot_builtin_object_ptr); }

_FORCE_INLINE_ Transform3D *getTransform3D() const { return static_cast<Transform3D *>(godot_builtin_object_ptr); }

_FORCE_INLINE_ Basis *getBasis() const { return static_cast<Basis *>(godot_builtin_object_ptr); }

_FORCE_INLINE_ RID *getRID() const { return static_cast<RID *>(godot_builtin_object_ptr); }

_FORCE_INLINE_ Plane *getPlane() const { return static_cast<Plane *>(godot_builtin_object_ptr); }

_FORCE_INLINE_ Quaternion *getQuaternion() const { return static_cast<Quaternion *>(godot_builtin_object_ptr); }

_FORCE_INLINE_ PackedInt32Array *getPackedInt32Array() const { return static_cast<PackedInt32Array *>(godot_builtin_object_ptr); }

_FORCE_INLINE_ PackedInt64Array *getPackedInt64Array() const { return static_cast<PackedInt64Array *>(godot_builtin_object_ptr); }

_FORCE_INLINE_ PackedByteArray *getPackedByteArray() const { return static_cast<PackedByteArray *>(godot_builtin_object_ptr); }

_FORCE_INLINE_ PackedFloat32Array *getPackedFloat32Array() const { return static_cast<PackedFloat32Array *>(godot_builtin_object_ptr); }

_FORCE_INLINE_ PackedFloat64Array *getPackedFloat64Array() const { return static_cast<PackedFloat64Array *>(godot_builtin_object_ptr); }

_FORCE_INLINE_ PackedStringArray *getPackedStringArray() const { return static_cast<PackedStringArray *>(godot_builtin_object_ptr); }

_FORCE_INLINE_ PackedColorArray *getPackedColorArray() const { return static_cast<PackedColorArray *>(godot_builtin_object_ptr); }

_FORCE_INLINE_ PackedVector2Array *getPackedVector2Array() const { return static_cast<PackedVector2Array *>(godot_builtin_object_ptr); }

_FORCE_INLINE_ PackedVector3Array *getPackedVector3Array() const { return static_cast<PackedVector3Array *>(godot_builtin_object_ptr); }

_FORCE_INLINE_ bool is_object() const {

return flags & FLAG_OBJECT;

}

_FORCE_INLINE_ bool is_ref_counted() const {

return flags & FLAG_REF_COUNTED;

}

_FORCE_INLINE_ bool is_transferable() const {

return flags & FLAG_TRANSFERABLE;

}

_FORCE_INLINE_ bool is_atomic_type() const {

return flags & FLAG_ATOMIC_VALUE;

}

_FORCE_INLINE_ bool is_finalized() const {

return flags & FLAG_FINALIZED;

}

_FORCE_INLINE_ bool is_valid_javascript_object() const {

return context != NULL && javascript_object != NULL && !is_finalized();

}

_FORCE_INLINE_ void clear() {

type = Variant::NIL;

godot_object = NULL;

javascript_object = NULL;

context = NULL;

}

JavaScriptGCHandler() {

type = Variant::NIL;

flags = FLAG_NONE;

godot_object = NULL;

javascript_object = NULL;

context = NULL;

}

};

#endif // JAVASCRIPT_GC_HANDLER_H