static MonoClass*
get_class (MonoErrorInternal *error)
{
MonoClass *klass = NULL;
if (is_managed_exception (error))
klass = mono_object_class (mono_gchandle_get_target (error->exn.instance_handle));
else
klass = error->exn.klass;
return klass;
}
MonoObject* NodejsFunc::GetFunc()
{
static MonoMethod* method;
if (!method)
method = mono_class_get_method_from_name(GetNodejsFuncClass(), "GetFunc", -1);
MonoException* exc = NULL;
MonoObject* func = mono_runtime_invoke(method, mono_gchandle_get_target(_this), NULL, (MonoObject**)&exc);
return func;
}
void ClrFuncInvokeContext::InitializeAsyncOperation()
{
// Create a uv_edge_async instance representing V8 async operation that will complete
// when the CLR function completes. The ClrActionContext is used to ensure the ClrFuncInvokeContext
// remains GC-rooted while the CLR function executes.
static MonoMethod* getAction = NULL;
if (!getAction)
getAction = mono_class_get_method_from_name(
GetClrFuncInvokeContextClass(), "GetCompleteOnV8ThreadAsynchronousAction", -1);
ClrActionContext* data = new ClrActionContext;
data->action = mono_gchandle_new( // released in ClrActionContext::ActionCallback
mono_runtime_invoke(getAction, mono_gchandle_get_target(this->_this), NULL, NULL), FALSE);
this->uv_edge_async = V8SynchronizationContext::RegisterAction(ClrActionContext::ActionCallback, data);
}
MonoObject* DOMBase::GetJSWrapper()
{
if (_JSWrapperWPtr != 0)
{
//printf ("%s:%d %s() Mono calling C code\n", __FILE__, __LINE__, __FUNCTION__);
MonoObject* domwrapper = mono_gchandle_get_target(_JSWrapperWPtr);
if (!domwrapper)
FatalError("Cannot find the JS Wrapper object through the weak refrence");
return domwrapper;
}
else
{
//printf ("%s:%d %s() Mono calling C code\n", __FILE__, __LINE__, __FUNCTION__);
MonoObject* wrapperObject = MakeWrapper(this, GetMakeWrapperIndex());
_JSWrapperWPtr = mono_gchandle_new_weakref(wrapperObject, false);
return wrapperObject;
}
}
gpointer
ves_icall_System_GCHandle_GetAddrOfPinnedObject (guint32 handle)
{
MonoObject *obj;
if (mono_gchandle_get_type (handle) != HANDLE_PINNED)
return (gpointer)-2;
obj = mono_gchandle_get_target (handle);
if (obj) {
MonoClass *klass = mono_object_class (obj);
if (klass == mono_defaults.string_class) {
return mono_string_chars ((MonoString*)obj);
} else if (klass->rank) {
return mono_array_addr ((MonoArray*)obj, char, 0);
} else {
/* the C# code will check and throw the exception */
/* FIXME: missing !klass->blittable test, see bug #61134 */
if ((klass->flags & TYPE_ATTRIBUTE_LAYOUT_MASK) == TYPE_ATTRIBUTE_AUTO_LAYOUT)
return (gpointer)-1;
return (char*)obj + sizeof (MonoObject);
}
}
/*Can fail with out-of-memory*/
MonoException*
mono_error_prepare_exception (MonoError *oerror, MonoError *error_out)
{
MonoErrorInternal *error = (MonoErrorInternal*)oerror;
MonoException* exception = NULL;
MonoString *assembly_name = NULL, *type_name = NULL, *method_name = NULL, *field_name = NULL, *msg = NULL;
MonoDomain *domain = mono_domain_get ();
mono_error_init (error_out);
switch (error->error_code) {
case MONO_ERROR_NONE:
return NULL;
case MONO_ERROR_MISSING_METHOD:
if ((error->type_name || error->exn.klass) && error->member_name) {
type_name = get_type_name_as_mono_string (error, domain, error_out);
if (!mono_error_ok (error_out))
break;
method_name = mono_string_new (domain, error->member_name);
if (!method_name) {
mono_error_set_out_of_memory (error_out, "Could not allocate method name");
break;
}
exception = mono_exception_from_name_two_strings_checked (mono_defaults.corlib, "System", "MissingMethodException", type_name, method_name, error_out);
if (exception)
set_message_on_exception (exception, error, error_out);
} else {
exception = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingMethodException", error->full_message);
}
break;
case MONO_ERROR_MISSING_FIELD:
if ((error->type_name || error->exn.klass) && error->member_name) {
type_name = get_type_name_as_mono_string (error, domain, error_out);
if (!mono_error_ok (error_out))
break;
field_name = mono_string_new (domain, error->member_name);
if (!field_name) {
mono_error_set_out_of_memory (error_out, "Could not allocate field name");
break;
}
exception = mono_exception_from_name_two_strings_checked (mono_defaults.corlib, "System", "MissingFieldException", type_name, field_name, error_out);
if (exception)
set_message_on_exception (exception, error, error_out);
} else {
exception = mono_exception_from_name_msg (mono_defaults.corlib, "System", "MissingFieldException", error->full_message);
}
break;
case MONO_ERROR_TYPE_LOAD:
if ((error->type_name && error->assembly_name) || error->exn.klass) {
type_name = get_type_name_as_mono_string (error, domain, error_out);
if (!mono_error_ok (error_out))
break;
if (error->assembly_name) {
assembly_name = mono_string_new (domain, error->assembly_name);
if (!assembly_name) {
mono_error_set_out_of_memory (error_out, "Could not allocate assembly name");
break;
}
}
exception = mono_exception_from_name_two_strings_checked (mono_get_corlib (), "System", "TypeLoadException", type_name, assembly_name, error_out);
if (exception)
set_message_on_exception (exception, error, error_out);
} else {
exception = mono_exception_from_name_msg (mono_defaults.corlib, "System", "TypeLoadException", error->full_message);
}
break;
case MONO_ERROR_FILE_NOT_FOUND:
case MONO_ERROR_BAD_IMAGE:
if (error->assembly_name) {
msg = mono_string_new (domain, error->full_message);
if (!msg) {
mono_error_set_out_of_memory (error_out, "Could not allocate message");
break;
}
if (error->assembly_name) {
assembly_name = mono_string_new (domain, error->assembly_name);
if (!assembly_name) {
mono_error_set_out_of_memory (error_out, "Could not allocate assembly name");
break;
}
}
if (error->error_code == MONO_ERROR_FILE_NOT_FOUND)
exception = mono_exception_from_name_two_strings_checked (mono_get_corlib (), "System.IO", "FileNotFoundException", msg, assembly_name, error_out);
else
exception = mono_exception_from_name_two_strings_checked (mono_defaults.corlib, "System", "BadImageFormatException", msg, assembly_name, error_out);
} else {
if (error->error_code == MONO_ERROR_FILE_NOT_FOUND)
exception = mono_exception_from_name_msg (mono_get_corlib (), "System.IO", "FileNotFoundException", error->full_message);
else
exception = mono_exception_from_name_msg (mono_defaults.corlib, "System", "BadImageFormatException", error->full_message);
}
break;
case MONO_ERROR_OUT_OF_MEMORY:
exception = mono_get_exception_out_of_memory ();
break;
case MONO_ERROR_ARGUMENT:
exception = mono_get_exception_argument (error->first_argument, error->full_message);
break;
case MONO_ERROR_ARGUMENT_NULL:
exception = mono_get_exception_argument_null (error->first_argument);
break;
case MONO_ERROR_NOT_VERIFIABLE: {
char *type_name = NULL, *message;
if (error->exn.klass) {
type_name = mono_type_get_full_name (error->exn.klass);
if (!type_name) {
mono_error_set_out_of_memory (error_out, "Could not allocate message");
break;
}
}
message = g_strdup_printf ("Error in %s:%s %s", type_name, error->member_name, error->full_message);
if (!message) {
g_free (type_name);
mono_error_set_out_of_memory (error_out, "Could not allocate message");
break;
}
exception = mono_exception_from_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", message);
g_free (message);
g_free (type_name);
break;
}
case MONO_ERROR_GENERIC:
if (!error->exception_name_space || !error->exception_name)
mono_error_set_execution_engine (error_out, "MonoError with generic error but no exception name was supplied");
else
exception = mono_exception_from_name_msg (mono_defaults.corlib, error->exception_name_space, error->exception_name, error->full_message);
break;
case MONO_ERROR_EXCEPTION_INSTANCE:
exception = (MonoException*) mono_gchandle_get_target (error->exn.instance_handle);
break;
case MONO_ERROR_CLEANUP_CALLED_SENTINEL:
mono_error_set_execution_engine (error_out, "MonoError reused after mono_error_cleanup");
break;
case MONO_ERROR_INVALID_PROGRAM: {
gboolean lacks_message = error->flags & MONO_ERROR_INCOMPLETE;
if (lacks_message)
return mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", "");
else
return mono_exception_from_name_msg (mono_defaults.corlib, "System", "InvalidProgramException", error->full_message);
}
default:
mono_error_set_execution_engine (error_out, "Invalid error-code %d", error->error_code);
}
if (!mono_error_ok (error_out))
return NULL;
if (!exception)
mono_error_set_out_of_memory (error_out, "Could not allocate exception object");
return exception;
}
MonoObject *
ves_icall_System_GCHandle_GetTarget (guint32 handle)
{
return mono_gchandle_get_target (handle);
}
MonoObjectHandle
mono_gchandle_get_target_handle (uint32_t gchandle)
{
return MONO_HANDLE_NEW (MonoObject, mono_gchandle_get_target (gchandle));
}
MonoObject* ClrFuncInvokeContext::GetMonoObject()
{
return mono_gchandle_get_target(_this);
}