godot/modules/mono/glue/base_object_glue.cpp

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/*************************************************************************/
/* base_object_glue.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 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 "base_object_glue.h"
#ifdef MONO_GLUE_ENABLED
#include "core/reference.h"
#include "core/string_db.h"
#include "../csharp_script.h"
#include "../mono_gd/gd_mono_internals.h"
#include "../mono_gd/gd_mono_utils.h"
#include "../signal_awaiter_utils.h"
Object *godot_icall_Object_Ctor(MonoObject *p_obj) {
Object *instance = memnew(Object);
GDMonoInternals::tie_managed_to_unmanaged(p_obj, instance);
return instance;
}
void godot_icall_Object_Disposed(MonoObject *p_obj, Object *p_ptr) {
#ifdef DEBUG_ENABLED
CRASH_COND(p_ptr == NULL);
#endif
if (p_ptr->get_script_instance()) {
CSharpInstance *cs_instance = CAST_CSHARP_INSTANCE(p_ptr->get_script_instance());
if (cs_instance) {
if (!cs_instance->is_destructing_script_instance()) {
cs_instance->mono_object_disposed(p_obj);
p_ptr->set_script_instance(NULL);
}
return;
}
}
void *data = p_ptr->get_script_instance_binding(CSharpLanguage::get_singleton()->get_language_index());
if (data) {
CSharpScriptBinding &script_binding = ((Map<Object *, CSharpScriptBinding>::Element *)data)->get();
if (script_binding.inited) {
Ref<MonoGCHandle> &gchandle = script_binding.gchandle;
if (gchandle.is_valid()) {
CSharpLanguage::release_script_gchandle(p_obj, gchandle);
}
}
}
}
void godot_icall_Reference_Disposed(MonoObject *p_obj, Object *p_ptr, bool p_is_finalizer) {
#ifdef DEBUG_ENABLED
CRASH_COND(p_ptr == NULL);
// This is only called with Reference derived classes
CRASH_COND(!Object::cast_to<Reference>(p_ptr));
#endif
Reference *ref = static_cast<Reference *>(p_ptr);
if (ref->get_script_instance()) {
CSharpInstance *cs_instance = CAST_CSHARP_INSTANCE(ref->get_script_instance());
if (cs_instance) {
if (!cs_instance->is_destructing_script_instance()) {
bool delete_owner;
bool remove_script_instance;
cs_instance->mono_object_disposed_baseref(p_obj, p_is_finalizer, delete_owner, remove_script_instance);
if (delete_owner) {
memdelete(ref);
} else if (remove_script_instance) {
ref->set_script_instance(NULL);
}
}
return;
}
}
// Unsafe refcount decrement. The managed instance also counts as a reference.
// See: CSharpLanguage::alloc_instance_binding_data(Object *p_object)
if (ref->unreference()) {
memdelete(ref);
} else {
void *data = ref->get_script_instance_binding(CSharpLanguage::get_singleton()->get_language_index());
if (data) {
CSharpScriptBinding &script_binding = ((Map<Object *, CSharpScriptBinding>::Element *)data)->get();
if (script_binding.inited) {
Ref<MonoGCHandle> &gchandle = script_binding.gchandle;
if (gchandle.is_valid()) {
CSharpLanguage::release_script_gchandle(p_obj, gchandle);
}
}
}
}
}
MethodBind *godot_icall_Object_ClassDB_get_method(MonoString *p_type, MonoString *p_method) {
StringName type(GDMonoMarshal::mono_string_to_godot(p_type));
StringName method(GDMonoMarshal::mono_string_to_godot(p_method));
return ClassDB::get_method(type, method);
}
MonoObject *godot_icall_Object_weakref(Object *p_obj) {
if (!p_obj)
return NULL;
Ref<WeakRef> wref;
Reference *ref = Object::cast_to<Reference>(p_obj);
if (ref) {
REF r = ref;
if (!r.is_valid())
return NULL;
wref.instance();
wref->set_ref(r);
} else {
wref.instance();
wref->set_obj(p_obj);
}
return GDMonoUtils::unmanaged_get_managed(wref.ptr());
}
Error godot_icall_SignalAwaiter_connect(Object *p_source, MonoString *p_signal, Object *p_target, MonoObject *p_awaiter) {
String signal = GDMonoMarshal::mono_string_to_godot(p_signal);
return SignalAwaiterUtils::connect_signal_awaiter(p_source, signal, p_target, p_awaiter);
}
void godot_register_object_icalls() {
mono_add_internal_call("Godot.Object::godot_icall_Object_Ctor", (void *)godot_icall_Object_Ctor);
mono_add_internal_call("Godot.Object::godot_icall_Object_Disposed", (void *)godot_icall_Object_Disposed);
mono_add_internal_call("Godot.Object::godot_icall_Reference_Disposed", (void *)godot_icall_Reference_Disposed);
mono_add_internal_call("Godot.Object::godot_icall_Object_ClassDB_get_method", (void *)godot_icall_Object_ClassDB_get_method);
mono_add_internal_call("Godot.Object::godot_icall_Object_weakref", (void *)godot_icall_Object_weakref);
mono_add_internal_call("Godot.SignalAwaiter::godot_icall_SignalAwaiter_connect", (void *)godot_icall_SignalAwaiter_connect);
}
#endif // MONO_GLUE_ENABLED