godot/modules/mono/mono_gd/gd_mono_utils.h
Ignacio Etcheverry d68b9c20d6 Mono/C#: Script interface calls now attach the current thread
Added guards to all C# script interface calls to attach the current thread
for the current scope if the thread is not already attached.
This is far from ideal, as attaching the thread is not cheap and all managed
thread local storage is lost when we detach the thread at the end of the calls.
However, it's the best we can do for now to avoid crashing
when an unattached thread tries to interact with C# code.
2020-01-16 17:47:36 +01:00

178 lines
7.7 KiB
C++

/*************************************************************************/
/* gd_mono_utils.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 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. */
/*************************************************************************/
#ifndef GD_MONOUTILS_H
#define GD_MONOUTILS_H
#include <mono/metadata/threads.h>
#include "../mono_gc_handle.h"
#include "../utils/macros.h"
#include "../utils/thread_local.h"
#include "gd_mono_header.h"
#include "core/object.h"
#include "core/reference.h"
#define UNHANDLED_EXCEPTION(m_exc) \
if (unlikely(m_exc != NULL)) { \
GDMonoUtils::debug_unhandled_exception(m_exc); \
GD_UNREACHABLE(); \
}
namespace GDMonoUtils {
namespace Marshal {
bool type_is_generic_array(MonoReflectionType *p_reftype);
bool type_is_generic_dictionary(MonoReflectionType *p_reftype);
void array_get_element_type(MonoReflectionType *p_array_reftype, MonoReflectionType **r_elem_reftype);
void dictionary_get_key_value_types(MonoReflectionType *p_dict_reftype, MonoReflectionType **r_key_reftype, MonoReflectionType **r_value_reftype);
bool generic_ienumerable_is_assignable_from(MonoReflectionType *p_reftype);
bool generic_idictionary_is_assignable_from(MonoReflectionType *p_reftype);
bool generic_ienumerable_is_assignable_from(MonoReflectionType *p_reftype, MonoReflectionType **r_elem_reftype);
bool generic_idictionary_is_assignable_from(MonoReflectionType *p_reftype, MonoReflectionType **r_key_reftype, MonoReflectionType **r_value_reftype);
GDMonoClass *make_generic_array_type(MonoReflectionType *p_elem_reftype);
GDMonoClass *make_generic_dictionary_type(MonoReflectionType *p_key_reftype, MonoReflectionType *p_value_reftype);
Array enumerable_to_array(MonoObject *p_enumerable);
Dictionary idictionary_to_dictionary(MonoObject *p_idictionary);
Dictionary generic_idictionary_to_dictionary(MonoObject *p_generic_idictionary);
} // namespace Marshal
_FORCE_INLINE_ void hash_combine(uint32_t &p_hash, const uint32_t &p_with_hash) {
p_hash ^= p_with_hash + 0x9e3779b9 + (p_hash << 6) + (p_hash >> 2);
}
/**
* If the object has a csharp script, returns the target of the gchandle stored in the script instance
* Otherwise returns a newly constructed MonoObject* which is attached to the object
* Returns NULL on error
*/
MonoObject *unmanaged_get_managed(Object *unmanaged);
void set_main_thread(MonoThread *p_thread);
MonoThread *attach_current_thread();
void detach_current_thread();
void detach_current_thread(MonoThread *p_mono_thread);
MonoThread *get_current_thread();
bool is_thread_attached();
_FORCE_INLINE_ bool is_main_thread() {
return mono_domain_get() != NULL && mono_thread_get_main() == mono_thread_current();
}
void runtime_object_init(MonoObject *p_this_obj, GDMonoClass *p_class, MonoException **r_exc = NULL);
GDMonoClass *get_object_class(MonoObject *p_object);
GDMonoClass *type_get_proxy_class(const StringName &p_type);
GDMonoClass *get_class_native_base(GDMonoClass *p_class);
MonoObject *create_managed_for_godot_object(GDMonoClass *p_class, const StringName &p_native, Object *p_object);
MonoObject *create_managed_from(const NodePath &p_from);
MonoObject *create_managed_from(const RID &p_from);
MonoObject *create_managed_from(const Array &p_from, GDMonoClass *p_class);
MonoObject *create_managed_from(const Dictionary &p_from, GDMonoClass *p_class);
MonoDomain *create_domain(const String &p_friendly_name);
String get_exception_name_and_message(MonoException *p_exc);
void set_exception_message(MonoException *p_exc, String message);
void debug_print_unhandled_exception(MonoException *p_exc);
void debug_send_unhandled_exception_error(MonoException *p_exc);
void debug_unhandled_exception(MonoException *p_exc);
void print_unhandled_exception(MonoException *p_exc);
/**
* Sets the exception as pending. The exception will be thrown when returning to managed code.
* If no managed method is being invoked by the runtime, the exception will be treated as
* an unhandled exception and the method will not return.
*/
void set_pending_exception(MonoException *p_exc);
extern _THREAD_LOCAL_(int) current_invoke_count;
_FORCE_INLINE_ int get_runtime_invoke_count() {
return current_invoke_count;
}
_FORCE_INLINE_ int &get_runtime_invoke_count_ref() {
return current_invoke_count;
}
MonoObject *runtime_invoke(MonoMethod *p_method, void *p_obj, void **p_params, MonoException **r_exc);
MonoObject *runtime_invoke_array(MonoMethod *p_method, void *p_obj, MonoArray *p_params, MonoException **r_exc);
MonoString *object_to_string(MonoObject *p_obj, MonoException **r_exc);
void property_set_value(MonoProperty *p_prop, void *p_obj, void **p_params, MonoException **r_exc);
MonoObject *property_get_value(MonoProperty *p_prop, void *p_obj, void **p_params, MonoException **r_exc);
uint64_t unbox_enum_value(MonoObject *p_boxed, MonoType *p_enum_basetype, bool &r_error);
void dispose(MonoObject *p_mono_object, MonoException **r_exc);
struct ScopeThreadAttach {
ScopeThreadAttach();
~ScopeThreadAttach();
private:
MonoThread *mono_thread;
};
} // namespace GDMonoUtils
#define NATIVE_GDMONOCLASS_NAME(m_class) (GDMonoMarshal::mono_string_to_godot((MonoString *)m_class->get_field(BINDINGS_NATIVE_NAME_FIELD)->get_value(NULL)))
#define GD_MONO_BEGIN_RUNTIME_INVOKE \
int &_runtime_invoke_count_ref = GDMonoUtils::get_runtime_invoke_count_ref(); \
_runtime_invoke_count_ref += 1;
#define GD_MONO_END_RUNTIME_INVOKE \
_runtime_invoke_count_ref -= 1;
#define GD_MONO_SCOPE_THREAD_ATTACH \
GDMonoUtils::ScopeThreadAttach __gdmono__scope__thread__attach__; \
(void)__gdmono__scope__thread__attach__;
#ifdef DEBUG_ENABLED
#define GD_MONO_ASSERT_THREAD_ATTACHED \
{ CRASH_COND(!GDMonoUtils::is_thread_attached()); }
#else
#define GD_MONO_ASSERT_THREAD_ATTACHED
#endif
#endif // GD_MONOUTILS_H