MonoExceptionHandle
mono_exception_new_serialization (const char *msg, MonoError *error)
{
return mono_exception_new_by_name_msg (mono_get_corlib (),
"System.Runtime.Serialization", "SerializationException",
"Could not serialize unhandled exception.", error);
}
static MonoExceptionHandle
mono_exception_new_argument_internal (const char *type, const char *arg, const char *msg, MonoError *error)
{
MonoExceptionHandle ex = mono_exception_new_by_name_msg (mono_get_corlib (), "System", type, msg, error);
if (arg && !MONO_HANDLE_IS_NULL (ex)) {
MonoArgumentExceptionHandle argex = MONO_HANDLE_CAST (MonoArgumentException, ex);
MonoStringHandle arg_str = mono_string_new_handle (MONO_HANDLE_DOMAIN (ex), arg, error);
MONO_HANDLE_SET (argex, param_name, arg_str);
}
return ex;
}
/**
* mono_exception_from_name_msg:
* \param image the Mono image where to look for the class
* \param name_space the namespace for the class
* \param name class name
* \param msg the message to embed inside the exception
*
* Creates an exception and initializes its message field.
*
* \returns the initialized exception instance.
*/
MonoException *
mono_exception_from_name_msg (MonoImage *image, const char *name_space,
const char *name, const char *msg)
{
HANDLE_FUNCTION_ENTER ();
MonoExceptionHandle ex;
MONO_ENTER_GC_UNSAFE;
ERROR_DECL (error);
ex = mono_exception_new_by_name_msg (image, name_space, name, msg, error);
mono_error_cleanup (error);
MONO_EXIT_GC_UNSAFE;
HANDLE_FUNCTION_RETURN_OBJ (ex);
}
static MonoExceptionHandle
mono_exception_new_argument_internal (const char *type, const char *arg, const char *msg, MonoError *error)
{
#ifdef ENABLE_NETCORE
MonoStringHandle arg_str = arg ? mono_string_new_handle (mono_domain_get (), arg, error) : NULL_HANDLE_STRING;
MonoStringHandle msg_str = msg ? mono_string_new_handle (mono_domain_get (), msg, error) : NULL_HANDLE_STRING;
if (!strcmp (type, "ArgumentException"))
return mono_exception_from_name_two_strings_checked (mono_get_corlib (), "System", type, msg_str, arg_str, error);
else
return mono_exception_from_name_two_strings_checked (mono_get_corlib (), "System", type, arg_str, msg_str, error);
#else
MonoExceptionHandle ex = mono_exception_new_by_name_msg (mono_get_corlib (), "System", type, msg, error);
if (arg && !MONO_HANDLE_IS_NULL (ex)) {
MonoArgumentExceptionHandle argex = MONO_HANDLE_CAST (MonoArgumentException, ex);
MonoStringHandle arg_str = mono_string_new_handle (MONO_HANDLE_DOMAIN (ex), arg, error);
MONO_HANDLE_SET (argex, param_name, arg_str);
}
return ex;
#endif
}
/*Can fail with out-of-memory*/
MonoException*
mono_error_prepare_exception (MonoError *oerror, MonoError *error_out)
{
HANDLE_FUNCTION_ENTER ();
MonoErrorInternal *error = (MonoErrorInternal*)oerror;
MonoExceptionHandle exception = MONO_HANDLE_CAST (MonoException, mono_new_null ());
MonoDomain *domain = mono_domain_get ();
char *type_name = NULL;
char *message = NULL;
error_init (error_out);
const guint16 error_code = error->error_code;
g_assert (error_code != MONO_ERROR_CLEANUP_CALLED_SENTINEL);
switch (error_code) {
case MONO_ERROR_NONE:
goto exit;
case MONO_ERROR_MISSING_METHOD:
exception = mono_corlib_exception_new_with_args ("System", "MissingMethodException", error->full_message, error->first_argument, error_out);
break;
case MONO_ERROR_BAD_IMAGE:
exception = mono_corlib_exception_new_with_args ("System", "BadImageFormatException", error->full_message, error->first_argument, error_out);
break;
case MONO_ERROR_FILE_NOT_FOUND:
exception = mono_corlib_exception_new_with_args ("System.IO", "FileNotFoundException", error->full_message, error->first_argument, error_out);
break;
case MONO_ERROR_MISSING_FIELD:
exception = mono_corlib_exception_new_with_args ("System", "MissingFieldException", error->full_message, error->first_argument, error_out);
break;
case MONO_ERROR_MEMBER_ACCESS:
exception = mono_exception_new_by_name_msg (mono_defaults.corlib, "System", "MemberAccessException", error->full_message, error_out);
break;
case MONO_ERROR_TYPE_LOAD: {
MonoStringHandle assembly_name;
MonoStringHandle type_name;
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 = string_new_cleanup (domain, error->assembly_name);
if (MONO_HANDLE_IS_NULL (assembly_name)) {
mono_error_set_out_of_memory (error_out, "Could not allocate assembly name");
break;
}
} else {
assembly_name = mono_string_empty_handle (domain);
}
exception = mono_exception_from_name_two_strings_checked (mono_get_corlib (), "System", "TypeLoadException", type_name, assembly_name, error_out);
if (!MONO_HANDLE_IS_NULL (exception)) {
const char *full_message = error->full_message;
if (full_message && full_message [0]) {
MonoStringHandle msg = string_new_cleanup (mono_domain_get (), full_message);
if (!MONO_HANDLE_IS_NULL (msg))
MONO_HANDLE_SET (exception, message, msg);
else
mono_error_set_out_of_memory (error_out, "Could not allocate exception object");
}
}
} else {
exception = mono_exception_new_by_name_msg (mono_defaults.corlib, "System", "TypeLoadException", error->full_message, error_out);
}
}
break;
case MONO_ERROR_OUT_OF_MEMORY:
if (domain)
exception = MONO_HANDLE_NEW (MonoException, domain->out_of_memory_ex);
if (MONO_HANDLE_IS_NULL (exception))
exception = mono_get_exception_out_of_memory_handle ();
break;
case MONO_ERROR_ARGUMENT:
exception = mono_exception_new_argument (error->first_argument, error->full_message, error_out);
break;
case MONO_ERROR_ARGUMENT_NULL:
exception = mono_exception_new_argument_null (error->first_argument, error_out);
break;
case MONO_ERROR_ARGUMENT_OUT_OF_RANGE:
exception = mono_exception_new_argument_out_of_range(error->first_argument, error->full_message, error_out);
break;
case MONO_ERROR_NOT_VERIFIABLE:
if (error->exn.klass) {
type_name = mono_type_get_full_name (error->exn.klass);
if (!type_name)
goto out_of_memory;
}
message = g_strdup_printf ("Error in %s:%s %s", type_name, error->member_name, error->full_message);
if (!message)
goto out_of_memory;
exception = mono_exception_new_by_name_msg (mono_defaults.corlib, "System.Security", "VerificationException", message, error_out);
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_new_by_name_msg (mono_defaults.corlib, error->exception_name_space, error->exception_name, error->full_message, error_out);
break;
case MONO_ERROR_EXCEPTION_INSTANCE:
exception = MONO_HANDLE_CAST (MonoException, mono_gchandle_get_target_handle (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:
exception = mono_exception_new_by_name_msg (mono_defaults.corlib, "System", "InvalidProgramException",
(error->flags & MONO_ERROR_INCOMPLETE) ? "" : error->full_message, error_out);
break;
default:
mono_error_set_execution_engine (error_out, "Invalid error-code %d", error->error_code);
}
if (!mono_error_ok (error_out))
goto return_null;
if (MONO_HANDLE_IS_NULL (exception))
mono_error_set_out_of_memory (error_out, "Could not allocate exception object");
goto exit;
out_of_memory:
mono_error_set_out_of_memory (error_out, "Could not allocate message");
goto exit;
return_null:
exception = MONO_HANDLE_CAST (MonoException, mono_new_null ());
exit:
g_free (message);
g_free (type_name);
HANDLE_FUNCTION_RETURN_OBJ (exception);
}
MonoExceptionHandle
mono_exception_new_invalid_operation (const char *msg, MonoError *error)
{
return mono_exception_new_by_name_msg (mono_get_corlib (), "System",
"InvalidOperationException", msg, error);
}
