MonoException *
mono_get_exception_reflection_type_load_checked (MonoArray *types, MonoArray *exceptions, MonoError *error)
{
MonoClass *klass;
gpointer args [2];
MonoObject *exc;
MonoMethod *method;
gpointer iter;
klass = mono_class_load_from_name (mono_get_corlib (), "System.Reflection", "ReflectionTypeLoadException");
mono_class_init (klass);
/* Find the Type[], Exception[] ctor */
iter = NULL;
while ((method = mono_class_get_methods (klass, &iter))) {
if (!strcmp (".ctor", mono_method_get_name (method))) {
MonoMethodSignature *sig = mono_method_signature (method);
if (sig->param_count == 2 && sig->params [0]->type == MONO_TYPE_SZARRAY && sig->params [1]->type == MONO_TYPE_SZARRAY)
break;
}
method = NULL;
}
g_assert (method);
args [0] = types;
args [1] = exceptions;
exc = mono_object_new_checked (mono_domain_get (), klass, error);
mono_error_assert_ok (error);
mono_runtime_invoke_checked (method, exc, args, error);
return_val_if_nok (error, NULL);
return (MonoException *) exc;
}
/**
* mono_get_exception_type_initialization:
* @type_name: the name of the type that failed to initialize.
* @inner: the inner exception.
*
* Returns: a new instance of the `System.TypeInitializationException`
*/
MonoException *
mono_get_exception_type_initialization (const gchar *type_name, MonoException *inner)
{
MonoError error;
MonoClass *klass;
gpointer args [2];
MonoObject *exc;
MonoMethod *method;
gpointer iter;
klass = mono_class_load_from_name (mono_get_corlib (), "System", "TypeInitializationException");
mono_class_init (klass);
iter = NULL;
while ((method = mono_class_get_methods (klass, &iter))) {
if (!strcmp (".ctor", mono_method_get_name (method))) {
MonoMethodSignature *sig = mono_method_signature (method);
if (sig->param_count == 2 && sig->params [0]->type == MONO_TYPE_STRING && mono_class_from_mono_type (sig->params [1]) == mono_defaults.exception_class)
break;
}
method = NULL;
}
g_assert (method);
args [0] = mono_string_new (mono_domain_get (), type_name);
args [1] = inner;
exc = mono_object_new_checked (mono_domain_get (), klass, &error);
mono_error_assert_ok (&error);
mono_runtime_invoke_checked (method, exc, args, &error);
mono_error_raise_exception (&error); /* FIXME don't raise here */
return (MonoException *) exc;
}
void GDMonoClass::fetch_methods_with_godot_api_checks(GDMonoClass *p_native_base) {
CRASH_COND(!CACHED_CLASS(GodotObject)->is_assignable_from(this));
if (methods_fetched)
return;
void *iter = NULL;
MonoMethod *raw_method = NULL;
while ((raw_method = mono_class_get_methods(get_mono_ptr(), &iter)) != NULL) {
StringName name = mono_method_get_name(raw_method);
// get_method implicitly fetches methods and adds them to this->methods
GDMonoMethod *method = get_method(raw_method, name);
ERR_CONTINUE(!method);
if (method->get_name() != name) {
#ifdef DEBUG_ENABLED
String fullname = method->get_ret_type_full_name() + " " + name + "(" + method->get_signature_desc(true) + ")";
WARN_PRINTS("Method `" + fullname + "` is hidden by Godot API method. Should be `" +
method->get_full_name_no_class() + "`. In class `" + namespace_name + "." + class_name + "`.");
#endif
continue;
}
#ifdef DEBUG_ENABLED
// For debug builds, we also fetched from native base classes as well before if this is not a native base class.
// This allows us to warn the user here if he is using snake_case by mistake.
if (p_native_base != this) {
GDMonoClass *native_top = p_native_base;
while (native_top) {
GDMonoMethod *m = native_top->get_method(name, method->get_parameters_count());
if (m && m->get_name() != name) {
// found
String fullname = m->get_ret_type_full_name() + " " + name + "(" + m->get_signature_desc(true) + ")";
WARN_PRINTS("Method `" + fullname + "` should be `" + m->get_full_name_no_class() +
"`. In class `" + namespace_name + "." + class_name + "`.");
break;
}
if (native_top == CACHED_CLASS(GodotObject))
break;
native_top = native_top->get_parent_class();
}
}
#endif
uint32_t flags = mono_method_get_flags(method->mono_method, NULL);
if (!(flags & MONO_METHOD_ATTR_VIRTUAL))
continue;
// Virtual method of Godot Object derived type, let's try to find GodotMethod attribute
GDMonoClass *top = p_native_base;
while (top) {
GDMonoMethod *base_method = top->get_method(name, method->get_parameters_count());
if (base_method && base_method->has_attribute(CACHED_CLASS(GodotMethodAttribute))) {
// Found base method with GodotMethod attribute.
// We get the original API method name from this attribute.
// This name must point to the virtual method.
MonoObject *attr = base_method->get_attribute(CACHED_CLASS(GodotMethodAttribute));
StringName godot_method_name = CACHED_FIELD(GodotMethodAttribute, methodName)->get_string_value(attr);
#ifdef DEBUG_ENABLED
CRASH_COND(godot_method_name == StringName());
#endif
MethodKey key = MethodKey(godot_method_name, method->get_parameters_count());
GDMonoMethod **existing_method = methods.getptr(key);
if (existing_method)
memdelete(*existing_method); // Must delete old one
methods.set(key, method);
break;
}
if (top == CACHED_CLASS(GodotObject))
break;
top = top->get_parent_class();
}
}
methods_fetched = true;
}
void
virt_mono_throw_unhandled_exception (MonoObject *exc)
{
caddr_t err;
char *message = (char *) "";
const char *name = (const char *) "";
MonoString *str;
MonoMethod *method;
MonoClass *klass;
gboolean free_message = FALSE;
gint i;
if (mono_object_isinst (exc, mono_get_exception_class ()))
{
klass = mono_object_get_class (exc);
method = NULL;
while (klass && method == NULL)
{
gpointer m_iter = NULL;
for (method = mono_class_get_methods (klass, &m_iter); method != NULL;
method = mono_class_get_methods (klass, &m_iter))
{
MonoMethodSignature *sig = mono_method_signature (method);
guint32 flags = 0;
const char *name = mono_method_get_name (method);
mono_method_get_flags (method, &flags);
if (!strcmp ("ToString", name) &&
sig->param_count == 0
#ifdef OLD_KIT_1_1_5
&& (flags & METHOD_ATTRIBUTE_VIRTUAL)
&& (flags & METHOD_ATTRIBUTE_PUBLIC)
#endif
)
{
break;
}
method = NULL;
}
if (method == NULL)
klass = mono_class_get_parent (klass);
}
g_assert (method);
str = (MonoString *) mono_runtime_invoke (method, exc, NULL, NULL);
if (str) {
message = mono_string_to_utf8 (str);
free_message = TRUE;
name = mono_class_get_name (klass);
}
}
/*
* g_printerr ("\nUnhandled Exception: %s.%s: %s\n", exc->vtable->klass->name_space,
* exc->vtable->klass->name, message);
*/
g_printerr ("\nUnhandled Exception: %s\n", message);
err = srv_make_new_error ("42000", "MN001", "Unhandled Mono Exception [%.200s]: %.200s",
name, message);
if (free_message)
g_free (message);
sqlr_resignal (err);
}
IMonoMethod *CScriptClass::GetMethod(const char *name, IMonoArray *pArgs, bool throwOnFail)
{
MonoMethodSignature *pSignature = nullptr;
void *pIterator = 0;
MonoClass *pClass = (MonoClass *)m_pObject;
MonoType *pClassType = mono_class_get_type(pClass);
MonoMethod *pCurMethod = nullptr;
int suppliedArgsCount = pArgs ? pArgs->GetSize() : 0;
while (pClass != nullptr)
{
pCurMethod = mono_class_get_methods(pClass, &pIterator);
if(pCurMethod == nullptr)
{
pClass = mono_class_get_parent(pClass);
if(pClass == mono_get_object_class())
break;
pIterator = 0;
continue;
}
pSignature = mono_method_signature(pCurMethod);
int signatureParamCount = mono_signature_get_param_count(pSignature);
bool bCorrectName = !strcmp(mono_method_get_name(pCurMethod), name);
if(bCorrectName && signatureParamCount == 0 && suppliedArgsCount == 0)
return new CScriptMethod(pCurMethod);
else if(bCorrectName && signatureParamCount >= suppliedArgsCount && suppliedArgsCount != 0)
{
//if(bStatic != (mono_method_get_flags(pCurMethod, nullptr) & METHOD_ATTRIBUTE_STATIC) > 0)
//continue;
void *pIter = nullptr;
MonoType *pType = nullptr;
for(int i = 0; i < signatureParamCount; i++)
{
pType = mono_signature_get_params(pSignature, &pIter);
if(mono::object item = pArgs->GetItem(i))
{
MonoClass *pItemClass = mono_object_get_class((MonoObject *)item);
MonoType *pItemType = mono_class_get_type(pItemClass);
MonoTypeEnum itemMonoType = (MonoTypeEnum)mono_type_get_type(pItemType);
MonoTypeEnum monoType = (MonoTypeEnum)mono_type_get_type(pType);
if(itemMonoType != monoType)
{
// exceptions:
// Anything can be treated as object.
if(monoType == MONO_TYPE_OBJECT) {}
// The runtime confuses things with value types a lot, so ignore parameters that appear with that type.
else if(itemMonoType == MONO_TYPE_VALUETYPE || monoType == MONO_TYPE_VALUETYPE) {}
else
{
if(MonoClass *pMethodParameterClass = mono_type_get_class(pType))
{
MonoWarning("Parameter mismatch when searching for method %s in class %s.%s, on parameter %i: Provided type %s.%s does not match expected parameter type %s.%s.",
name, mono_class_get_namespace(pClass), mono_class_get_name(pClass), i + 1, mono_class_get_namespace(pItemClass), mono_class_get_name(pItemClass), mono_class_get_namespace(pMethodParameterClass), mono_class_get_name(pMethodParameterClass));
}
else
{
MonoWarning("Parameter mismatch when searching for method %s in class %s.%s, on parameter %i: Provided type %s.%s does not match parameter type.",
name, mono_class_get_namespace(pClass), mono_class_get_name(pClass), i + 1, mono_class_get_namespace(pItemClass), mono_class_get_name(pItemClass));
}
break;
}
}
}
if(i + 1 == suppliedArgsCount)
return new CScriptMethod(pCurMethod);
}
}
}
if(throwOnFail)
{
if(IMonoException *pException = GetMonoScriptSystem()->GetCorlibAssembly()->GetException("System", "MissingMethodException", "Failed to locate method %s in class %s", name, GetName()))
pException->Throw();
}
return nullptr;
}
