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godot/modules/mono/mono_gd/gd_mono_utils.cpp
Ignacio Etcheverry 6e6b455d1f Export attribute fixes and improvements 
- Allow non-public fields to be exported as well (to avoid confusion).
- Set PROPERTY_HINT_RESOURCE_TYPE for resource derived fields.
- Support enums and automatically fill PROPERTY_HINT_ENUM's hint_string for enum fields.
2017-10-17 14:42:13 +02:00

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/*************************************************************************/
/* gd_mono_utils.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 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 "gd_mono_utils.h"
#include "os/dir_access.h"
#include "project_settings.h"
#include "reference.h"
#include "../csharp_script.h"
#include "gd_mono.h"
#include "gd_mono_class.h"
#include "gd_mono_marshal.h"
namespace GDMonoUtils {
MonoCache mono_cache;
#define CACHE_AND_CHECK(m_var, m_val) \
{ \
m_var = m_val; \
if (!m_var) ERR_PRINT("Mono Cache: Member " #m_var " is null. This is really bad!"); \
}
#define CACHE_CLASS_AND_CHECK(m_class, m_val) CACHE_AND_CHECK(GDMonoUtils::mono_cache.class_##m_class, m_val)
#define CACHE_NS_CLASS_AND_CHECK(m_ns, m_class, m_val) CACHE_AND_CHECK(GDMonoUtils::mono_cache.class_##m_ns##_##m_class, m_val)
#define CACHE_RAW_MONO_CLASS_AND_CHECK(m_class, m_val) CACHE_AND_CHECK(GDMonoUtils::mono_cache.rawclass_##m_class, m_val)
#define CACHE_FIELD_AND_CHECK(m_class, m_field, m_val) CACHE_AND_CHECK(GDMonoUtils::mono_cache.field_##m_class##_##m_field, m_val)
#define CACHE_METHOD_THUNK_AND_CHECK(m_class, m_method, m_val) CACHE_AND_CHECK(GDMonoUtils::mono_cache.methodthunk_##m_class##_##m_method, m_val)
void MonoCache::clear_members() {
class_MonoObject = NULL;
class_bool = NULL;
class_int8_t = NULL;
class_int16_t = NULL;
class_int32_t = NULL;
class_int64_t = NULL;
class_uint8_t = NULL;
class_uint16_t = NULL;
class_uint32_t = NULL;
class_uint64_t = NULL;
class_float = NULL;
class_double = NULL;
class_String = NULL;
class_IntPtr = NULL;
rawclass_Dictionary = NULL;
class_Vector2 = NULL;
class_Rect2 = NULL;
class_Transform2D = NULL;
class_Vector3 = NULL;
class_Basis = NULL;
class_Quat = NULL;
class_Transform = NULL;
class_Rect3 = NULL;
class_Color = NULL;
class_Plane = NULL;
class_NodePath = NULL;
class_RID = NULL;
class_GodotObject = NULL;
class_GodotReference = NULL;
class_Node = NULL;
class_Control = NULL;
class_Spatial = NULL;
class_WeakRef = NULL;
class_MarshalUtils = NULL;
class_ExportAttribute = NULL;
field_ExportAttribute_hint = NULL;
field_ExportAttribute_hint_string = NULL;
class_ToolAttribute = NULL;
class_RemoteAttribute = NULL;
class_SyncAttribute = NULL;
class_MasterAttribute = NULL;
class_SlaveAttribute = NULL;
class_GodotMethodAttribute = NULL;
field_GodotMethodAttribute_methodName = NULL;
field_GodotObject_ptr = NULL;
field_NodePath_ptr = NULL;
field_Image_ptr = NULL;
field_RID_ptr = NULL;
methodthunk_MarshalUtils_DictionaryToArrays = NULL;
methodthunk_MarshalUtils_ArraysToDictionary = NULL;
methodthunk_SignalAwaiter_SignalCallback = NULL;
methodthunk_SignalAwaiter_FailureCallback = NULL;
methodthunk_GodotTaskScheduler_Activate = NULL;
task_scheduler_handle = Ref<MonoGCHandle>();
}
#define GODOT_API_CLASS(m_class) (GDMono::get_singleton()->get_api_assembly()->get_class(BINDINGS_NAMESPACE, #m_class))
void update_corlib_cache() {
CACHE_CLASS_AND_CHECK(MonoObject, GDMono::get_singleton()->get_corlib_assembly()->get_class(mono_get_object_class()));
CACHE_CLASS_AND_CHECK(bool, GDMono::get_singleton()->get_corlib_assembly()->get_class(mono_get_boolean_class()));
CACHE_CLASS_AND_CHECK(int8_t, GDMono::get_singleton()->get_corlib_assembly()->get_class(mono_get_sbyte_class()));
CACHE_CLASS_AND_CHECK(int16_t, GDMono::get_singleton()->get_corlib_assembly()->get_class(mono_get_int16_class()));
CACHE_CLASS_AND_CHECK(int32_t, GDMono::get_singleton()->get_corlib_assembly()->get_class(mono_get_int32_class()));
CACHE_CLASS_AND_CHECK(int64_t, GDMono::get_singleton()->get_corlib_assembly()->get_class(mono_get_int64_class()));
CACHE_CLASS_AND_CHECK(uint8_t, GDMono::get_singleton()->get_corlib_assembly()->get_class(mono_get_byte_class()));
CACHE_CLASS_AND_CHECK(uint16_t, GDMono::get_singleton()->get_corlib_assembly()->get_class(mono_get_uint16_class()));
CACHE_CLASS_AND_CHECK(uint32_t, GDMono::get_singleton()->get_corlib_assembly()->get_class(mono_get_uint32_class()));
CACHE_CLASS_AND_CHECK(uint64_t, GDMono::get_singleton()->get_corlib_assembly()->get_class(mono_get_uint64_class()));
CACHE_CLASS_AND_CHECK(float, GDMono::get_singleton()->get_corlib_assembly()->get_class(mono_get_single_class()));
CACHE_CLASS_AND_CHECK(double, GDMono::get_singleton()->get_corlib_assembly()->get_class(mono_get_double_class()));
CACHE_CLASS_AND_CHECK(String, GDMono::get_singleton()->get_corlib_assembly()->get_class(mono_get_string_class()));
CACHE_CLASS_AND_CHECK(IntPtr, GDMono::get_singleton()->get_corlib_assembly()->get_class(mono_get_intptr_class()));
}
void update_godot_api_cache() {
CACHE_CLASS_AND_CHECK(Vector2, GODOT_API_CLASS(Vector2));
CACHE_CLASS_AND_CHECK(Rect2, GODOT_API_CLASS(Rect2));
CACHE_CLASS_AND_CHECK(Transform2D, GODOT_API_CLASS(Transform2D));
CACHE_CLASS_AND_CHECK(Vector3, GODOT_API_CLASS(Vector3));
CACHE_CLASS_AND_CHECK(Basis, GODOT_API_CLASS(Basis));
CACHE_CLASS_AND_CHECK(Quat, GODOT_API_CLASS(Quat));
CACHE_CLASS_AND_CHECK(Transform, GODOT_API_CLASS(Transform));
CACHE_CLASS_AND_CHECK(Rect3, GODOT_API_CLASS(Rect3));
CACHE_CLASS_AND_CHECK(Color, GODOT_API_CLASS(Color));
CACHE_CLASS_AND_CHECK(Plane, GODOT_API_CLASS(Plane));
CACHE_CLASS_AND_CHECK(NodePath, GODOT_API_CLASS(NodePath));
CACHE_CLASS_AND_CHECK(RID, GODOT_API_CLASS(NodePath));
CACHE_CLASS_AND_CHECK(GodotObject, GODOT_API_CLASS(Object));
CACHE_CLASS_AND_CHECK(GodotReference, GODOT_API_CLASS(Reference));
CACHE_CLASS_AND_CHECK(Node, GODOT_API_CLASS(Node));
CACHE_CLASS_AND_CHECK(Control, GODOT_API_CLASS(Control));
CACHE_CLASS_AND_CHECK(Spatial, GODOT_API_CLASS(Spatial));
CACHE_CLASS_AND_CHECK(WeakRef, GODOT_API_CLASS(WeakRef));
CACHE_CLASS_AND_CHECK(MarshalUtils, GODOT_API_CLASS(MarshalUtils));
// Attributes
CACHE_CLASS_AND_CHECK(ExportAttribute, GODOT_API_CLASS(ExportAttribute));
CACHE_FIELD_AND_CHECK(ExportAttribute, hint, CACHED_CLASS(ExportAttribute)->get_field("hint"));
CACHE_FIELD_AND_CHECK(ExportAttribute, hint_string, CACHED_CLASS(ExportAttribute)->get_field("hint_string"));
CACHE_CLASS_AND_CHECK(ToolAttribute, GODOT_API_CLASS(ToolAttribute));
CACHE_CLASS_AND_CHECK(RemoteAttribute, GODOT_API_CLASS(RemoteAttribute));
CACHE_CLASS_AND_CHECK(SyncAttribute, GODOT_API_CLASS(SyncAttribute));
CACHE_CLASS_AND_CHECK(MasterAttribute, GODOT_API_CLASS(MasterAttribute));
CACHE_CLASS_AND_CHECK(SlaveAttribute, GODOT_API_CLASS(SlaveAttribute));
CACHE_CLASS_AND_CHECK(GodotMethodAttribute, GODOT_API_CLASS(GodotMethodAttribute));
CACHE_FIELD_AND_CHECK(GodotMethodAttribute, methodName, CACHED_CLASS(GodotMethodAttribute)->get_field("methodName"));
CACHE_FIELD_AND_CHECK(GodotObject, ptr, CACHED_CLASS(GodotObject)->get_field(BINDINGS_PTR_FIELD));
CACHE_FIELD_AND_CHECK(NodePath, ptr, CACHED_CLASS(NodePath)->get_field(BINDINGS_PTR_FIELD));
CACHE_FIELD_AND_CHECK(RID, ptr, CACHED_CLASS(RID)->get_field(BINDINGS_PTR_FIELD));
CACHE_METHOD_THUNK_AND_CHECK(MarshalUtils, DictionaryToArrays, (MarshalUtils_DictToArrays)CACHED_CLASS(MarshalUtils)->get_method("DictionaryToArrays", 3)->get_thunk());
CACHE_METHOD_THUNK_AND_CHECK(MarshalUtils, ArraysToDictionary, (MarshalUtils_ArraysToDict)CACHED_CLASS(MarshalUtils)->get_method("ArraysToDictionary", 2)->get_thunk());
CACHE_METHOD_THUNK_AND_CHECK(SignalAwaiter, SignalCallback, (SignalAwaiter_SignalCallback)GODOT_API_CLASS(SignalAwaiter)->get_method("SignalCallback", 1)->get_thunk());
CACHE_METHOD_THUNK_AND_CHECK(SignalAwaiter, FailureCallback, (SignalAwaiter_FailureCallback)GODOT_API_CLASS(SignalAwaiter)->get_method("FailureCallback", 0)->get_thunk());
CACHE_METHOD_THUNK_AND_CHECK(GodotTaskScheduler, Activate, (GodotTaskScheduler_Activate)GODOT_API_CLASS(GodotTaskScheduler)->get_method("Activate", 0)->get_thunk());
{
/*
* TODO Right now we only support Dictionary<object, object>.
* It would be great if we could support other key/value types
* without forcing the user to copy the entries.
*/
GDMonoMethod *method_get_dict_type = CACHED_CLASS(MarshalUtils)->get_method("GetDictionaryType", 0);
ERR_FAIL_NULL(method_get_dict_type);
MonoReflectionType *dict_refl_type = (MonoReflectionType *)method_get_dict_type->invoke(NULL);
ERR_FAIL_NULL(dict_refl_type);
MonoType *dict_type = mono_reflection_type_get_type(dict_refl_type);
ERR_FAIL_NULL(dict_type);
CACHE_RAW_MONO_CLASS_AND_CHECK(Dictionary, mono_class_from_mono_type(dict_type));
}
MonoObject *task_scheduler = mono_object_new(SCRIPTS_DOMAIN, GODOT_API_CLASS(GodotTaskScheduler)->get_raw());
mono_runtime_object_init(task_scheduler);
mono_cache.task_scheduler_handle = MonoGCHandle::create_strong(task_scheduler);
}
void clear_cache() {
mono_cache.cleanup();
mono_cache.clear_members();
}
MonoObject *unmanaged_get_managed(Object *unmanaged) {
if (unmanaged) {
if (unmanaged->get_script_instance()) {
CSharpInstance *cs_instance = CAST_CSHARP_INSTANCE(unmanaged->get_script_instance());
if (cs_instance) {
return cs_instance->get_mono_object();
}
}
// Only called if the owner does not have a CSharpInstance
void *data = unmanaged->get_script_instance_binding(CSharpLanguage::get_singleton()->get_language_index());
if (data) {
return ((Map<Object *, Ref<MonoGCHandle> >::Element *)data)->value()->get_target();
}
}
return NULL;
}
void set_main_thread(MonoThread *p_thread) {
mono_thread_set_main(p_thread);
}
void attach_current_thread() {
ERR_FAIL_COND(!GDMono::get_singleton()->is_runtime_initialized());
MonoThread *mono_thread = mono_thread_attach(SCRIPTS_DOMAIN);
ERR_FAIL_NULL(mono_thread);
}
void detach_current_thread() {
ERR_FAIL_COND(!GDMono::get_singleton()->is_runtime_initialized());
MonoThread *mono_thread = mono_thread_current();
ERR_FAIL_NULL(mono_thread);
mono_thread_detach(mono_thread);
}
MonoThread *get_current_thread() {
return mono_thread_current();
}
GDMonoClass *get_object_class(MonoObject *p_object) {
return GDMono::get_singleton()->get_class(mono_object_get_class(p_object));
}
GDMonoClass *type_get_proxy_class(const StringName &p_type) {
String class_name = p_type;
if (class_name[0] == '_')
class_name = class_name.substr(1, class_name.length());
GDMonoClass *klass = GDMono::get_singleton()->get_api_assembly()->get_class(BINDINGS_NAMESPACE, class_name);
#ifdef TOOLS_ENABLED
if (!klass) {
return GDMono::get_singleton()->get_editor_api_assembly()->get_class(BINDINGS_NAMESPACE, class_name);
}
#endif
return klass;
}
GDMonoClass *get_class_native_base(GDMonoClass *p_class) {
GDMonoClass *klass = p_class;
do {
const GDMonoAssembly *assembly = klass->get_assembly();
if (assembly == GDMono::get_singleton()->get_api_assembly())
return klass;
#ifdef TOOLS_ENABLED
if (assembly == GDMono::get_singleton()->get_editor_api_assembly())
return klass;
#endif
} while ((klass = klass->get_parent_class()) != NULL);
return NULL;
}
MonoObject *create_managed_for_godot_object(GDMonoClass *p_class, const StringName &p_native, Object *p_object) {
String object_type = p_object->get_class_name();
if (object_type[0] == '_')
object_type = object_type.substr(1, object_type.length());
if (!ClassDB::is_parent_class(object_type, p_native)) {
ERR_EXPLAIN("Type inherits from native type '" + p_native + "', so it can't be instanced in object of type: '" + p_object->get_class() + "'");
ERR_FAIL_V(NULL);
}
MonoObject *mono_object = mono_object_new(SCRIPTS_DOMAIN, p_class->get_raw());
ERR_FAIL_NULL_V(mono_object, NULL);
CACHED_FIELD(GodotObject, ptr)->set_value_raw(mono_object, p_object);
// Construct
mono_runtime_object_init(mono_object);
return mono_object;
}
MonoObject *create_managed_from(const NodePath &p_from) {
MonoObject *mono_object = mono_object_new(SCRIPTS_DOMAIN, CACHED_CLASS_RAW(NodePath));
ERR_FAIL_NULL_V(mono_object, NULL);
// Construct
mono_runtime_object_init(mono_object);
CACHED_FIELD(NodePath, ptr)->set_value_raw(mono_object, memnew(NodePath(p_from)));
return mono_object;
}
MonoObject *create_managed_from(const RID &p_from) {
MonoObject *mono_object = mono_object_new(SCRIPTS_DOMAIN, CACHED_CLASS_RAW(RID));
ERR_FAIL_NULL_V(mono_object, NULL);
// Construct
mono_runtime_object_init(mono_object);
CACHED_FIELD(RID, ptr)->set_value_raw(mono_object, memnew(RID(p_from)));
return mono_object;
}
MonoDomain *create_domain(const String &p_friendly_name) {
MonoDomain *domain = mono_domain_create_appdomain((char *)p_friendly_name.utf8().get_data(), NULL);
if (domain) {
// Workaround to avoid this exception:
// System.Configuration.ConfigurationErrorsException: Error Initializing the configuration system.
// ---> System.ArgumentException: The 'ExeConfigFilename' argument cannot be null.
mono_domain_set_config(domain, ".", "");
}
return domain;
}
String get_exception_name_and_message(MonoObject *p_ex) {
String res;
MonoClass *klass = mono_object_get_class(p_ex);
MonoType *type = mono_class_get_type(klass);
char *full_name = mono_type_full_name(type);
res += full_name;
mono_free(full_name);
res += ": ";
MonoProperty *prop = mono_class_get_property_from_name(klass, "Message");
MonoString *msg = (MonoString *)mono_property_get_value(prop, p_ex, NULL, NULL);
res += GDMonoMarshal::mono_string_to_godot(msg);
return res;
}
}
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