godot/modules/mono/mono_gd/gd_mono_utils.cpp
Rémi Verschelde b16c309f82 Update copyright statements to 2019
Happy new year to the wonderful Godot community!
2019-01-01 12:58:10 +01:00

702 lines
27 KiB
C++

/*************************************************************************/
/* gd_mono_utils.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 "gd_mono_utils.h"
#include <mono/metadata/exception.h>
#include "core/os/dir_access.h"
#include "core/os/os.h"
#include "core/project_settings.h"
#include "core/reference.h"
#include "../csharp_script.h"
#include "../utils/macros.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_EXPLAIN("Mono Cache: Member " #m_var " is null"); \
ERR_FAIL(); \
} \
}
#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_AND_CHECK(m_class, m_method, m_val) CACHE_AND_CHECK(GDMonoUtils::mono_cache.method_##m_class##_##m_method, 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;
#ifdef DEBUG_ENABLED
class_System_Diagnostics_StackTrace = NULL;
methodthunk_System_Diagnostics_StackTrace_GetFrames = NULL;
method_System_Diagnostics_StackTrace_ctor_bool = NULL;
method_System_Diagnostics_StackTrace_ctor_Exception_bool = NULL;
#endif
class_KeyNotFoundException = 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_AABB = 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_Array = NULL;
class_Dictionary = NULL;
class_MarshalUtils = NULL;
#ifdef DEBUG_ENABLED
class_DebuggingUtils = NULL;
methodthunk_DebuggingUtils_GetStackFrameInfo = NULL;
#endif
class_ExportAttribute = NULL;
field_ExportAttribute_hint = NULL;
field_ExportAttribute_hintString = NULL;
class_SignalAttribute = NULL;
class_ToolAttribute = NULL;
class_RemoteAttribute = NULL;
class_SyncAttribute = NULL;
class_MasterAttribute = NULL;
class_PuppetAttribute = NULL;
class_SlaveAttribute = NULL;
class_RemoteSyncAttribute = NULL;
class_MasterSyncAttribute = NULL;
class_PuppetSyncAttribute = 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_GodotObject_Dispose = NULL;
methodthunk_Array_GetPtr = NULL;
methodthunk_Dictionary_GetPtr = NULL;
methodthunk_MarshalUtils_IsArrayGenericType = NULL;
methodthunk_MarshalUtils_IsDictionaryGenericType = NULL;
methodthunk_SignalAwaiter_SignalCallback = NULL;
methodthunk_SignalAwaiter_FailureCallback = NULL;
methodthunk_GodotTaskScheduler_Activate = NULL;
task_scheduler_handle = Ref<MonoGCHandle>();
}
void MonoCache::cleanup() {
corlib_cache_updated = false;
godot_api_cache_updated = false;
}
#define GODOT_API_CLASS(m_class) (GDMono::get_singleton()->get_core_api_assembly()->get_class(BINDINGS_NAMESPACE, #m_class))
#define GODOT_API_NS_CLAS(m_ns, m_class) (GDMono::get_singleton()->get_core_api_assembly()->get_class(m_ns, #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()));
#ifdef DEBUG_ENABLED
CACHE_CLASS_AND_CHECK(System_Diagnostics_StackTrace, GDMono::get_singleton()->get_corlib_assembly()->get_class("System.Diagnostics", "StackTrace"));
CACHE_METHOD_THUNK_AND_CHECK(System_Diagnostics_StackTrace, GetFrames, (StackTrace_GetFrames)CACHED_CLASS(System_Diagnostics_StackTrace)->get_method_thunk("GetFrames"));
CACHE_METHOD_AND_CHECK(System_Diagnostics_StackTrace, ctor_bool, CACHED_CLASS(System_Diagnostics_StackTrace)->get_method_with_desc("System.Diagnostics.StackTrace:.ctor(bool)", true));
CACHE_METHOD_AND_CHECK(System_Diagnostics_StackTrace, ctor_Exception_bool, CACHED_CLASS(System_Diagnostics_StackTrace)->get_method_with_desc("System.Diagnostics.StackTrace:.ctor(System.Exception,bool)", true));
#endif
CACHE_CLASS_AND_CHECK(KeyNotFoundException, GDMono::get_singleton()->get_corlib_assembly()->get_class("System.Collections.Generic", "KeyNotFoundException"));
mono_cache.corlib_cache_updated = true;
}
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(AABB, GODOT_API_CLASS(AABB));
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(RID));
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(Array, GODOT_API_NS_CLAS(BINDINGS_NAMESPACE_COLLECTIONS, Array));
CACHE_CLASS_AND_CHECK(Dictionary, GODOT_API_NS_CLAS(BINDINGS_NAMESPACE_COLLECTIONS, Dictionary));
CACHE_CLASS_AND_CHECK(MarshalUtils, GODOT_API_CLASS(MarshalUtils));
#ifdef DEBUG_ENABLED
CACHE_CLASS_AND_CHECK(DebuggingUtils, GODOT_API_CLASS(DebuggingUtils));
#endif
// 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, hintString, CACHED_CLASS(ExportAttribute)->get_field("hintString"));
CACHE_CLASS_AND_CHECK(SignalAttribute, GODOT_API_CLASS(SignalAttribute));
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(PuppetAttribute, GODOT_API_CLASS(PuppetAttribute));
CACHE_CLASS_AND_CHECK(SlaveAttribute, GODOT_API_CLASS(SlaveAttribute));
CACHE_CLASS_AND_CHECK(RemoteSyncAttribute, GODOT_API_CLASS(RemoteSyncAttribute));
CACHE_CLASS_AND_CHECK(MasterSyncAttribute, GODOT_API_CLASS(MasterSyncAttribute));
CACHE_CLASS_AND_CHECK(PuppetSyncAttribute, GODOT_API_CLASS(PuppetSyncAttribute));
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(GodotObject, Dispose, (GodotObject_Dispose)CACHED_CLASS(GodotObject)->get_method_thunk("Dispose", 0));
CACHE_METHOD_THUNK_AND_CHECK(Array, GetPtr, (Array_GetPtr)GODOT_API_NS_CLAS(BINDINGS_NAMESPACE_COLLECTIONS, Array)->get_method_thunk("GetPtr", 0));
CACHE_METHOD_THUNK_AND_CHECK(Dictionary, GetPtr, (Dictionary_GetPtr)GODOT_API_NS_CLAS(BINDINGS_NAMESPACE_COLLECTIONS, Dictionary)->get_method_thunk("GetPtr", 0));
CACHE_METHOD_THUNK_AND_CHECK(MarshalUtils, IsArrayGenericType, (IsArrayGenericType)GODOT_API_CLASS(MarshalUtils)->get_method_thunk("IsArrayGenericType", 1));
CACHE_METHOD_THUNK_AND_CHECK(MarshalUtils, IsDictionaryGenericType, (IsDictionaryGenericType)GODOT_API_CLASS(MarshalUtils)->get_method_thunk("IsDictionaryGenericType", 1));
CACHE_METHOD_THUNK_AND_CHECK(SignalAwaiter, SignalCallback, (SignalAwaiter_SignalCallback)GODOT_API_CLASS(SignalAwaiter)->get_method_thunk("SignalCallback", 1));
CACHE_METHOD_THUNK_AND_CHECK(SignalAwaiter, FailureCallback, (SignalAwaiter_FailureCallback)GODOT_API_CLASS(SignalAwaiter)->get_method_thunk("FailureCallback", 0));
CACHE_METHOD_THUNK_AND_CHECK(GodotTaskScheduler, Activate, (GodotTaskScheduler_Activate)GODOT_API_CLASS(GodotTaskScheduler)->get_method_thunk("Activate", 0));
#ifdef DEBUG_ENABLED
CACHE_METHOD_THUNK_AND_CHECK(DebuggingUtils, GetStackFrameInfo, (DebugUtils_StackFrameInfo)GODOT_API_CLASS(DebuggingUtils)->get_method_thunk("GetStackFrameInfo", 4));
#endif
// TODO Move to CSharpLanguage::init() and do handle disposal
MonoObject *task_scheduler = mono_object_new(SCRIPTS_DOMAIN, GODOT_API_CLASS(GodotTaskScheduler)->get_mono_ptr());
GDMonoUtils::runtime_object_init(task_scheduler);
mono_cache.task_scheduler_handle = MonoGCHandle::create_strong(task_scheduler);
mono_cache.godot_api_cache_updated = true;
}
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();
}
}
// If the owner does not have a CSharpInstance...
void *data = unmanaged->get_script_instance_binding(CSharpLanguage::get_singleton()->get_language_index());
if (data) {
CSharpScriptBinding &script_binding = ((Map<Object *, CSharpScriptBinding>::Element *)data)->value();
Ref<MonoGCHandle> &gchandle = script_binding.gchandle;
ERR_FAIL_COND_V(gchandle.is_null(), NULL);
MonoObject *target = gchandle->get_target();
if (target)
return target;
CSharpLanguage::get_singleton()->release_script_gchandle(gchandle);
// Create a new one
#ifdef DEBUG_ENABLED
CRASH_COND(script_binding.type_name == StringName());
CRASH_COND(script_binding.wrapper_class == NULL);
#endif
MonoObject *mono_object = GDMonoUtils::create_managed_for_godot_object(script_binding.wrapper_class, script_binding.type_name, unmanaged);
ERR_FAIL_NULL_V(mono_object, NULL);
gchandle->set_handle(MonoGCHandle::new_strong_handle(mono_object), MonoGCHandle::STRONG_HANDLE);
// Tie managed to unmanaged
Reference *ref = Object::cast_to<Reference>(unmanaged);
if (ref) {
// Unsafe refcount increment. The managed instance also counts as a reference.
// This way if the unmanaged world has no references to our owner
// but the managed instance is alive, the refcount will be 1 instead of 0.
// See: godot_icall_Reference_Dtor(MonoObject *p_obj, Object *p_ptr)
ref->reference();
}
return mono_object;
}
}
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();
}
void runtime_object_init(MonoObject *p_this_obj) {
GD_MONO_BEGIN_RUNTIME_INVOKE;
// FIXME: Do not use mono_runtime_object_init, it aborts if an exception is thrown
mono_runtime_object_init(p_this_obj);
GD_MONO_END_RUNTIME_INVOKE;
}
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_core_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_core_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_mono_ptr());
ERR_FAIL_NULL_V(mono_object, NULL);
CACHED_FIELD(GodotObject, ptr)->set_value_raw(mono_object, p_object);
// Construct
GDMonoUtils::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
GDMonoUtils::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
GDMonoUtils::runtime_object_init(mono_object);
CACHED_FIELD(RID, ptr)->set_value_raw(mono_object, memnew(RID(p_from)));
return mono_object;
}
MonoObject *create_managed_from(const Array &p_from, GDMonoClass *p_class) {
MonoObject *mono_object = mono_object_new(SCRIPTS_DOMAIN, p_class->get_mono_ptr());
ERR_FAIL_NULL_V(mono_object, NULL);
// Search constructor that takes a pointer as parameter
MonoMethod *m;
void *iter = NULL;
while ((m = mono_class_get_methods(p_class->get_mono_ptr(), &iter))) {
if (strcmp(mono_method_get_name(m), ".ctor") == 0) {
MonoMethodSignature *sig = mono_method_signature(m);
void *front = NULL;
if (mono_signature_get_param_count(sig) == 1 &&
mono_class_from_mono_type(mono_signature_get_params(sig, &front)) == CACHED_CLASS(IntPtr)->get_mono_ptr()) {
break;
}
}
}
CRASH_COND(m == NULL);
Array *new_array = memnew(Array(p_from));
void *args[1] = { &new_array };
MonoException *exc = NULL;
GDMonoUtils::runtime_invoke(m, mono_object, args, &exc);
UNLIKELY_UNHANDLED_EXCEPTION(exc);
return mono_object;
}
MonoObject *create_managed_from(const Dictionary &p_from, GDMonoClass *p_class) {
MonoObject *mono_object = mono_object_new(SCRIPTS_DOMAIN, p_class->get_mono_ptr());
ERR_FAIL_NULL_V(mono_object, NULL);
// Search constructor that takes a pointer as parameter
MonoMethod *m;
void *iter = NULL;
while ((m = mono_class_get_methods(p_class->get_mono_ptr(), &iter))) {
if (strcmp(mono_method_get_name(m), ".ctor") == 0) {
MonoMethodSignature *sig = mono_method_signature(m);
void *front = NULL;
if (mono_signature_get_param_count(sig) == 1 &&
mono_class_from_mono_type(mono_signature_get_params(sig, &front)) == CACHED_CLASS(IntPtr)->get_mono_ptr()) {
break;
}
}
}
CRASH_COND(m == NULL);
Dictionary *new_dict = memnew(Dictionary(p_from));
void *args[1] = { &new_dict };
MonoException *exc = NULL;
GDMonoUtils::runtime_invoke(m, mono_object, args, &exc);
UNLIKELY_UNHANDLED_EXCEPTION(exc);
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(MonoException *p_exc) {
String res;
MonoClass *klass = mono_object_get_class((MonoObject *)p_exc);
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 *)property_get_value(prop, (MonoObject *)p_exc, NULL, NULL);
res += GDMonoMarshal::mono_string_to_godot(msg);
return res;
}
void set_exception_message(MonoException *p_exc, String message) {
MonoClass *klass = mono_object_get_class((MonoObject *)p_exc);
MonoProperty *prop = mono_class_get_property_from_name(klass, "Message");
MonoString *msg = GDMonoMarshal::mono_string_from_godot(message);
void *params[1] = { msg };
property_set_value(prop, (MonoObject *)p_exc, params, NULL);
}
void debug_print_unhandled_exception(MonoException *p_exc) {
print_unhandled_exception(p_exc);
debug_send_unhandled_exception_error(p_exc);
}
void debug_send_unhandled_exception_error(MonoException *p_exc) {
#ifdef DEBUG_ENABLED
if (!ScriptDebugger::get_singleton())
return;
_TLS_RECURSION_GUARD_;
ScriptLanguage::StackInfo separator;
separator.file = String();
separator.func = "--- " + RTR("End of inner exception stack trace") + " ---";
separator.line = 0;
Vector<ScriptLanguage::StackInfo> si;
String exc_msg;
while (p_exc != NULL) {
GDMonoClass *st_klass = CACHED_CLASS(System_Diagnostics_StackTrace);
MonoObject *stack_trace = mono_object_new(mono_domain_get(), st_klass->get_mono_ptr());
MonoBoolean need_file_info = true;
void *ctor_args[2] = { p_exc, &need_file_info };
MonoException *unexpected_exc = NULL;
CACHED_METHOD(System_Diagnostics_StackTrace, ctor_Exception_bool)->invoke_raw(stack_trace, ctor_args, &unexpected_exc);
if (unexpected_exc) {
GDMonoInternals::unhandled_exception(unexpected_exc);
_UNREACHABLE_();
}
Vector<ScriptLanguage::StackInfo> _si;
if (stack_trace != NULL) {
_si = CSharpLanguage::get_singleton()->stack_trace_get_info(stack_trace);
for (int i = _si.size() - 1; i >= 0; i--)
si.insert(0, _si[i]);
}
exc_msg += (exc_msg.length() > 0 ? " ---> " : "") + GDMonoUtils::get_exception_name_and_message(p_exc);
GDMonoClass *exc_class = GDMono::get_singleton()->get_class(mono_get_exception_class());
GDMonoProperty *inner_exc_prop = exc_class->get_property("InnerException");
CRASH_COND(inner_exc_prop == NULL);
MonoObject *inner_exc = inner_exc_prop->get_value((MonoObject *)p_exc);
if (inner_exc != NULL)
si.insert(0, separator);
p_exc = (MonoException *)inner_exc;
}
String file = si.size() ? si[0].file : __FILE__;
String func = si.size() ? si[0].func : FUNCTION_STR;
int line = si.size() ? si[0].line : __LINE__;
String error_msg = "Unhandled exception";
ScriptDebugger::get_singleton()->send_error(func, file, line, error_msg, exc_msg, ERR_HANDLER_ERROR, si);
#endif
}
void debug_unhandled_exception(MonoException *p_exc) {
#ifdef DEBUG_ENABLED
GDMonoUtils::debug_send_unhandled_exception_error(p_exc);
if (ScriptDebugger::get_singleton())
ScriptDebugger::get_singleton()->idle_poll();
#endif
GDMonoInternals::unhandled_exception(p_exc); // prints the exception as well
_UNREACHABLE_();
}
void print_unhandled_exception(MonoException *p_exc) {
mono_print_unhandled_exception((MonoObject *)p_exc);
}
void set_pending_exception(MonoException *p_exc) {
#ifdef HAS_PENDING_EXCEPTIONS
if (get_runtime_invoke_count() == 0) {
debug_unhandled_exception(p_exc);
_UNREACHABLE_();
}
if (!mono_runtime_set_pending_exception(p_exc, false)) {
ERR_PRINTS("Exception thrown from managed code, but it could not be set as pending:");
GDMonoUtils::debug_print_unhandled_exception(p_exc);
}
#else
debug_unhandled_exception(p_exc);
_UNREACHABLE_();
#endif
}
_THREAD_LOCAL_(int)
current_invoke_count = 0;
MonoObject *runtime_invoke(MonoMethod *p_method, void *p_obj, void **p_params, MonoException **r_exc) {
GD_MONO_BEGIN_RUNTIME_INVOKE;
MonoObject *ret = mono_runtime_invoke(p_method, p_obj, p_params, (MonoObject **)r_exc);
GD_MONO_END_RUNTIME_INVOKE;
return ret;
}
MonoObject *runtime_invoke_array(MonoMethod *p_method, void *p_obj, MonoArray *p_params, MonoException **r_exc) {
GD_MONO_BEGIN_RUNTIME_INVOKE;
MonoObject *ret = mono_runtime_invoke_array(p_method, p_obj, p_params, (MonoObject **)r_exc);
GD_MONO_END_RUNTIME_INVOKE;
return ret;
}
MonoString *object_to_string(MonoObject *p_obj, MonoException **r_exc) {
GD_MONO_BEGIN_RUNTIME_INVOKE;
MonoString *ret = mono_object_to_string(p_obj, (MonoObject **)r_exc);
GD_MONO_END_RUNTIME_INVOKE;
return ret;
}
void property_set_value(MonoProperty *p_prop, void *p_obj, void **p_params, MonoException **r_exc) {
GD_MONO_BEGIN_RUNTIME_INVOKE;
mono_property_set_value(p_prop, p_obj, p_params, (MonoObject **)r_exc);
GD_MONO_END_RUNTIME_INVOKE;
}
MonoObject *property_get_value(MonoProperty *p_prop, void *p_obj, void **p_params, MonoException **r_exc) {
GD_MONO_BEGIN_RUNTIME_INVOKE;
MonoObject *ret = mono_property_get_value(p_prop, p_obj, p_params, (MonoObject **)r_exc);
GD_MONO_END_RUNTIME_INVOKE;
return ret;
}
uint64_t unbox_enum_value(MonoObject *p_boxed, MonoType *p_enum_basetype, bool &r_error) {
r_error = false;
switch (mono_type_get_type(p_enum_basetype)) {
case MONO_TYPE_BOOLEAN:
return (bool)GDMonoMarshal::unbox<MonoBoolean>(p_boxed) ? 1 : 0;
case MONO_TYPE_CHAR:
return GDMonoMarshal::unbox<uint16_t>(p_boxed);
case MONO_TYPE_U1:
return GDMonoMarshal::unbox<uint8_t>(p_boxed);
case MONO_TYPE_U2:
return GDMonoMarshal::unbox<uint16_t>(p_boxed);
case MONO_TYPE_U4:
return GDMonoMarshal::unbox<uint32_t>(p_boxed);
case MONO_TYPE_U8:
return GDMonoMarshal::unbox<uint64_t>(p_boxed);
case MONO_TYPE_I1:
return GDMonoMarshal::unbox<int8_t>(p_boxed);
case MONO_TYPE_I2:
return GDMonoMarshal::unbox<int16_t>(p_boxed);
case MONO_TYPE_I4:
return GDMonoMarshal::unbox<int32_t>(p_boxed);
case MONO_TYPE_I8:
return GDMonoMarshal::unbox<int64_t>(p_boxed);
default:
r_error = true;
return 0;
}
}
void dispose(MonoObject *p_mono_object, MonoException **r_exc) {
invoke_method_thunk(CACHED_METHOD_THUNK(GodotObject, Dispose), p_mono_object, (MonoObject **)r_exc);
}
} // namespace GDMonoUtils