static void
peas_gi_split_in_and_out_arguments (GICallableInfo *callable_info,
GIArgument *args,
GIArgument *in_args,
guint *n_in_args,
GIArgument *out_args,
guint *n_out_args)
{
gint n_args, i;
GIArgInfo arg_info;
g_return_if_fail (callable_info != NULL);
n_args = g_callable_info_get_n_args (callable_info);
for (i = 0; i < n_args; i++)
{
g_callable_info_load_arg (callable_info, i, &arg_info);
switch (g_arg_info_get_direction (&arg_info))
{
case GI_DIRECTION_IN:
in_args[(*n_in_args)++] = args[i];
break;
case GI_DIRECTION_INOUT:
in_args[(*n_in_args)++] = args[i];
out_args[(*n_out_args)++] = args[i];
break;
case GI_DIRECTION_OUT:
out_args[(*n_out_args)++] = args[i];
break;
}
}
}
/**
* _pygi_argument_array_length_marshal:
* @length_arg_index: Index of length argument in the callables args list.
* @user_data1: (type Array(GValue)): Array of GValue arguments to retrieve length
* @user_data2: (type GICallableInfo): Callable info to get the argument from.
*
* Generic marshalling policy for array length arguments in callables.
*
* Returns: The length of the array or -1 on failure.
*/
gssize
_pygi_argument_array_length_marshal (gsize length_arg_index,
void *user_data1,
void *user_data2)
{
GIArgInfo length_arg_info;
GITypeInfo length_type_info;
GIArgument length_arg;
gssize array_len = -1;
GValue *values = (GValue *)user_data1;
GICallableInfo *callable_info = (GICallableInfo *)user_data2;
g_callable_info_load_arg (callable_info, length_arg_index, &length_arg_info);
g_arg_info_load_type (&length_arg_info, &length_type_info);
length_arg = _pygi_argument_from_g_value (&(values[length_arg_index]),
&length_type_info);
if (!pygi_argument_to_gssize (&length_arg,
g_type_info_get_tag (&length_type_info),
&array_len)) {
return -1;
}
return array_len;
}
static void
allocate_arguments(GICallableInfo *info,
GArray *in_args, GArray *out_args,
GPtrArray *args_metadata)
{
gint i, n_args;
gint rb_arg_index = 0;
n_args = g_callable_info_get_n_args(info);
for (i = 0; i < n_args; i++) {
GIArgument argument;
RBGIArgMetadata *metadata;
GIArgInfo *arg_info;
GIDirection direction;
memset(&argument, 0, sizeof(GIArgument));
metadata = ALLOC(RBGIArgMetadata);
arg_info = &(metadata->arg_info);
g_callable_info_load_arg(info, i, arg_info);
metadata->scope_type = g_arg_info_get_scope(arg_info);
metadata->direction = g_arg_info_get_direction(arg_info);
metadata->callback_p = (metadata->scope_type != GI_SCOPE_TYPE_INVALID);
metadata->closure_p = FALSE;
metadata->destroy_p = FALSE;
metadata->array_p = FALSE;
metadata->array_length_p = FALSE;
metadata->in_arg_index = -1;
metadata->closure_in_arg_index = -1;
metadata->destroy_in_arg_index = -1;
metadata->array_in_arg_index = -1;
metadata->array_length_in_arg_index = -1;
metadata->array_length_arg_index = -1;
metadata->rb_arg_index = -1;
metadata->out_arg_index = -1;
direction = metadata->direction;
if (direction == GI_DIRECTION_IN || direction == GI_DIRECTION_INOUT) {
metadata->in_arg_index = in_args->len;
g_array_append_val(in_args, argument);
metadata->rb_arg_index = rb_arg_index++;
}
if (direction == GI_DIRECTION_OUT || direction == GI_DIRECTION_INOUT) {
metadata->out_arg_index = out_args->len;
g_array_append_val(out_args, argument);
}
g_ptr_array_add(args_metadata, metadata);
}
}
/* Gets or sets the length of the array. */
static void
array_get_or_set_length (GITypeInfo *ti, gssize *get_length, gssize set_length,
GICallableInfo *ci, void **args)
{
gint param = g_type_info_get_array_length (ti);
if (param >= 0 && ci != NULL && param < g_callable_info_get_n_args (ci))
{
GIArgInfo ai;
GITypeInfo eti;
GIArgument *val;
g_callable_info_load_arg (ci, param, &ai);
g_arg_info_load_type (&ai, &eti);
if (g_arg_info_get_direction (&ai) == GI_DIRECTION_IN)
/* For input parameters, value is directly pointed do by args
table element. */
val = (GIArgument *) args[param];
else
/* For output arguments, args table element points to pointer
to value. */
val = *(GIArgument **) args[param];
switch (g_type_info_get_tag (&eti))
{
#define HANDLE_ELT(tag, field) \
case GI_TYPE_TAG_ ## tag: \
if (get_length != NULL) \
*get_length = val->v_ ## field; \
else \
val->v_ ## field = set_length; \
break
HANDLE_ELT(INT8, int8);
HANDLE_ELT(UINT8, uint8);
HANDLE_ELT(INT16, int16);
HANDLE_ELT(UINT16, uint16);
HANDLE_ELT(INT32, int32);
HANDLE_ELT(UINT32, uint32);
HANDLE_ELT(INT64, int64);
HANDLE_ELT(UINT64, uint64);
#undef HANDLE_ELT
default:
g_assert_not_reached ();
}
}
}
static void
handle_method_impl (ffi_cif *cif,
gpointer result,
gpointer *args,
gpointer data)
{
MethodImpl *impl = (MethodImpl *) data;
GIArgInfo arg_info;
GITypeInfo type_info;
GITypeInfo return_type_info;
gint n_args, i;
PeasExtensionWrapper *instance;
GIArgument *arguments;
GIArgument return_value;
gboolean success;
instance = *((PeasExtensionWrapper **) args[0]);
g_assert (PEAS_IS_EXTENSION_WRAPPER (instance));
n_args = g_callable_info_get_n_args (impl->invoker_info);
g_return_if_fail (n_args >= 0);
arguments = g_newa (GIArgument, n_args);
for (i = 0; i < n_args; i++)
{
g_callable_info_load_arg (impl->invoker_info, i, &arg_info);
g_arg_info_load_type (&arg_info, &type_info);
if (g_arg_info_get_direction (&arg_info) == GI_DIRECTION_IN)
peas_gi_pointer_to_argument (&type_info, args[i + 1], &arguments[i]);
else
arguments[i].v_pointer = *((gpointer **) args[i + 1]);
}
success = peas_extension_wrapper_callv (instance, impl->interface_type,
impl->invoker_info, impl->method_name,
arguments, &return_value);
if (!success)
memset (&return_value, 0, sizeof (GIArgument));
g_callable_info_load_return_type (impl->invoker_info, &return_type_info);
if (g_type_info_get_tag (&return_type_info) != GI_TYPE_TAG_VOID)
peas_gi_argument_to_pointer (&return_type_info, &return_value, result);
}
static gboolean
source_func_p(GIArgInfo *info)
{
GITypeInfo type_info;
GIBaseInfo *interface_info;
GICallableInfo *callback_info;
GITypeInfo return_type_info;
GIArgInfo first_arg_info;
GITypeInfo first_arg_type_info;
g_arg_info_load_type(info, &type_info);
if (g_type_info_get_tag(&type_info) != GI_TYPE_TAG_INTERFACE) {
return FALSE;
}
interface_info = g_type_info_get_interface(&type_info);
if (g_base_info_get_type(interface_info) != GI_INFO_TYPE_CALLBACK) {
g_base_info_unref(interface_info);
return FALSE;
}
callback_info = (GICallableInfo *)interface_info;
g_callable_info_load_return_type(callback_info, &return_type_info);
if (g_type_info_get_tag(&return_type_info) != GI_TYPE_TAG_BOOLEAN) {
g_base_info_unref(interface_info);
return FALSE;
}
if (g_callable_info_get_n_args(interface_info) != 1) {
g_base_info_unref(interface_info);
return FALSE;
}
g_callable_info_load_arg(interface_info, 0, &first_arg_info);
g_arg_info_load_type(&first_arg_info, &first_arg_type_info);
if (g_type_info_get_tag(&first_arg_type_info) != GI_TYPE_TAG_VOID) {
g_base_info_unref(interface_info);
return FALSE;
}
g_base_info_unref(interface_info);
return TRUE;
}
static gboolean
peas_extension_gjs_call (PeasExtensionWrapper *exten,
GType exten_type,
GICallableInfo *func_info,
const gchar *method_name,
GIArgument *args,
GIArgument *retval)
{
PeasExtensionGjs *gexten = PEAS_EXTENSION_GJS (exten);
gboolean success = FALSE;
jsval js_method, js_retval;
jsval *js_args;
CachedArg *arg_cache;
gint i, n_args, nth_out_arg;
gint n_in_args = 0;
gint n_out_args = 0;
gint cached_args = 0;
/* Fetch the JS method we want to call */
if (!JS_GetProperty (gexten->js_context, gexten->js_object,
method_name, &js_method) ||
JSVAL_IS_VOID (js_method))
{
g_warning ("Method '%s.%s' was not found",
g_type_name (exten_type), method_name);
return FALSE;
}
if (JSVAL_IS_NULL (js_method) || !JSVAL_IS_OBJECT (js_method) ||
!JS_ObjectIsFunction (gexten->js_context, JSVAL_TO_OBJECT (js_method)))
{
g_warning ("Method '%s.%s' in not a function",
g_type_name (exten_type), method_name);
return FALSE;
}
n_args = g_callable_info_get_n_args (func_info);
if (n_args < 0)
{
g_warn_if_fail (n_args >= 0);
return FALSE;
}
js_args = g_newa (jsval, n_args);
arg_cache = g_newa (CachedArg, n_args + 1);
/* Return value is an out arg */
g_callable_info_load_return_type (func_info, &arg_cache[0].type_info);
if (g_type_info_get_tag (&arg_cache[0].type_info) != GI_TYPE_TAG_VOID)
{
++n_out_args;
arg_cache[cached_args++].ptr = &retval->v_pointer;
}
/* Handle the arguments */
for (i = 0; i < n_args; ++i, ++cached_args)
{
GIDirection direction;
g_callable_info_load_arg (func_info, i, &arg_cache[cached_args].arg_info);
direction = g_arg_info_get_direction (&arg_cache[cached_args].arg_info);
g_arg_info_load_type (&arg_cache[cached_args].arg_info,
&arg_cache[cached_args].type_info);
if (direction == GI_DIRECTION_IN &&
!gjs_value_from_g_argument (gexten->js_context, &js_args[n_in_args++],
&arg_cache[cached_args].type_info,
&args[i], TRUE))
{
g_warning ("Error failed to convert argument '%s'",
g_base_info_get_name (&arg_cache[cached_args].arg_info));
return FALSE;
}
if (direction == GI_DIRECTION_INOUT)
{
GIArgument arg;
peas_gi_pointer_to_argument (&arg_cache[cached_args].type_info,
args[i].v_pointer, &arg);
if (!gjs_value_from_g_argument (gexten->js_context, &js_args[n_in_args++],
&arg_cache[cached_args].type_info, &arg, TRUE))
{
g_warning ("Error failed to convert argument '%s'",
g_base_info_get_name (&arg_cache[cached_args].arg_info));
return FALSE;
}
}
if (direction == GI_DIRECTION_OUT || direction == GI_DIRECTION_INOUT)
{
++n_out_args;
arg_cache[cached_args].ptr = args[i].v_pointer;
}
}
success = JS_CallFunctionValue (gexten->js_context, gexten->js_object,
js_method, n_in_args, js_args, &js_retval);
if (!success)
{
if (!gjs_log_exception (gexten->js_context, NULL))
{
g_warning ("Error while calling '%s.%s'",
g_type_name (exten_type), method_name);
}
return FALSE;
}
/* First we need to release in argument */
for (i = 0; i < cached_args; ++i)
{
GIDirection direction;
/* First cached argument may be the return value */
if (i == 0 && cached_args > n_args)
continue;
direction = g_arg_info_get_direction (&arg_cache[i].arg_info);
if (direction == GI_DIRECTION_IN || direction == GI_DIRECTION_INOUT)
{
GITransfer transfer;
transfer = g_arg_info_get_ownership_transfer (&arg_cache[i].arg_info);
if (!gjs_g_argument_release_in_arg (gexten->js_context, transfer,
&arg_cache[i].type_info,
&args[i]))
{
g_warning ("Error failed to release IN argument '%s'",
g_base_info_get_name (&arg_cache[i].arg_info));
}
}
}
/* Check that we have a valid return value */
if (n_out_args > 1)
{
if (!JSVAL_IS_OBJECT (js_retval) ||
!JS_IsArrayObject (gexten->js_context, JSVAL_TO_OBJECT (js_retval)))
{
g_warning ("Error return value is not an array");
return FALSE;
}
}
/* Set out arguments */
for (i = 0, nth_out_arg = 0; i < cached_args && success; ++i)
{
gboolean is_return_value;
is_return_value = i == 0 && cached_args > n_args;
/* Return value does not have a GIArgInfo and is always out */
if (!is_return_value)
{
GIDirection direction;
direction = g_arg_info_get_direction (&arg_cache[i].arg_info);
if (direction == GI_DIRECTION_IN)
continue;
}
if (n_out_args == 1)
{
success = set_out_arg (gexten->js_context, func_info, is_return_value,
&arg_cache[i].arg_info, &arg_cache[i].type_info,
arg_cache[i].ptr, js_retval);
break;
}
else if (n_out_args > 1)
{
jsval js_value;
if (!JS_GetElement (gexten->js_context, JSVAL_TO_OBJECT (js_retval),
nth_out_arg++, &js_value) ||
js_value == JSVAL_VOID)
{
g_warning ("Error failed to get out argument %i", nth_out_arg);
return FALSE;
}
else
{
success = set_out_arg (gexten->js_context, func_info,
is_return_value, &arg_cache[i].arg_info,
&arg_cache[i].type_info, arg_cache[i].ptr,
js_value);
}
}
}
return success;
}
static void
pygi_signal_closure_marshal(GClosure *closure,
GValue *return_value,
guint n_param_values,
const GValue *param_values,
gpointer invocation_hint,
gpointer marshal_data)
{
PyGILState_STATE state;
PyGClosure *pc = (PyGClosure *)closure;
PyObject *params, *ret = NULL;
guint i;
GISignalInfo *signal_info;
gint n_sig_info_args;
gint sig_info_highest_arg;
GSList *list_item = NULL;
GSList *pass_by_ref_structs = NULL;
state = PyGILState_Ensure();
signal_info = ((PyGISignalClosure *)closure)->signal_info;
n_sig_info_args = g_callable_info_get_n_args(signal_info);
/* the first argument to a signal callback is instance,
but instance is not counted in the introspection data */
sig_info_highest_arg = n_sig_info_args + 1;
g_assert_cmpint(sig_info_highest_arg, ==, n_param_values);
/* construct Python tuple for the parameter values */
params = PyTuple_New(n_param_values);
for (i = 0; i < n_param_values; i++) {
/* swap in a different initial data for connect_object() */
if (i == 0 && G_CCLOSURE_SWAP_DATA(closure)) {
g_return_if_fail(pc->swap_data != NULL);
Py_INCREF(pc->swap_data);
PyTuple_SetItem(params, 0, pc->swap_data);
} else if (i == 0) {
PyObject *item = pyg_value_as_pyobject(¶m_values[i], FALSE);
if (!item) {
goto out;
}
PyTuple_SetItem(params, i, item);
} else if (i < sig_info_highest_arg) {
GIArgInfo arg_info;
GITypeInfo type_info;
GITypeTag type_tag;
GIArgument arg = { 0, };
PyObject *item = NULL;
gboolean free_array = FALSE;
gboolean pass_struct_by_ref = FALSE;
g_callable_info_load_arg(signal_info, i - 1, &arg_info);
g_arg_info_load_type(&arg_info, &type_info);
arg = _pygi_argument_from_g_value(¶m_values[i], &type_info);
type_tag = g_type_info_get_tag (&type_info);
if (type_tag == GI_TYPE_TAG_ARRAY) {
/* Skip the self argument of param_values */
arg.v_pointer = _pygi_argument_to_array (&arg,
_pygi_argument_array_length_marshal,
(void *)(param_values + 1),
signal_info,
&type_info,
&free_array);
}
/* Hack to ensure struct arguments are passed-by-reference allowing
* callback implementors to modify the struct values. This is needed
* for keeping backwards compatibility and should be removed in future
* versions which support signal output arguments as return values.
* See: https://bugzilla.gnome.org/show_bug.cgi?id=735486
*
* Note the logic here must match the logic path taken in _pygi_argument_to_object.
*/
if (type_tag == GI_TYPE_TAG_INTERFACE) {
GIBaseInfo *info = g_type_info_get_interface (&type_info);
GIInfoType info_type = g_base_info_get_type (info);
if (info_type == GI_INFO_TYPE_STRUCT ||
info_type == GI_INFO_TYPE_BOXED ||
info_type == GI_INFO_TYPE_UNION) {
GType gtype = g_registered_type_info_get_g_type ((GIRegisteredTypeInfo *) info);
gboolean is_foreign = (info_type == GI_INFO_TYPE_STRUCT) &&
(g_struct_info_is_foreign ((GIStructInfo *) info));
if (!is_foreign && !g_type_is_a (gtype, G_TYPE_VALUE) &&
g_type_is_a (gtype, G_TYPE_BOXED)) {
pass_struct_by_ref = TRUE;
}
}
g_base_info_unref (info);
}
if (pass_struct_by_ref) {
/* transfer everything will ensure the struct is not copied when wrapped. */
item = _pygi_argument_to_object (&arg, &type_info, GI_TRANSFER_EVERYTHING);
if (item && PyObject_IsInstance (item, (PyObject *) &PyGIBoxed_Type)) {
((PyGBoxed *)item)->free_on_dealloc = FALSE;
pass_by_ref_structs = g_slist_prepend (pass_by_ref_structs, item);
}
} else {
item = _pygi_argument_to_object (&arg, &type_info, GI_TRANSFER_NOTHING);
}
if (free_array) {
g_array_free (arg.v_pointer, FALSE);
}
if (item == NULL) {
PyErr_Print ();
goto out;
}
PyTuple_SetItem(params, i, item);
}
}
/* params passed to function may have extra arguments */
if (pc->extra_args) {
PyObject *tuple = params;
params = PySequence_Concat(tuple, pc->extra_args);
Py_DECREF(tuple);
}
ret = PyObject_CallObject(pc->callback, params);
if (ret == NULL) {
if (pc->exception_handler)
pc->exception_handler(return_value, n_param_values, param_values);
else
PyErr_Print();
goto out;
}
if (G_IS_VALUE(return_value) && pyg_value_from_pyobject(return_value, ret) != 0) {
PyErr_SetString(PyExc_TypeError,
"can't convert return value to desired type");
if (pc->exception_handler)
pc->exception_handler(return_value, n_param_values, param_values);
else
PyErr_Print();
}
Py_DECREF(ret);
/* Run through the list of structs which have been passed by reference and
* check if they are being held longer than the duration of the callback
* execution. This is determined if the ref count is greater than 1.
* A single ref is held by the argument list and any more would mean the callback
* stored a ref somewhere else. In this case we make an internal copy of
* the boxed struct so Python can own the memory to it.
*/
list_item = pass_by_ref_structs;
while (list_item) {
PyObject *item = list_item->data;
if (item->ob_refcnt > 1) {
_pygi_boxed_copy_in_place ((PyGIBoxed *)item);
}
list_item = g_slist_next (list_item);
}
out:
g_slist_free (pass_by_ref_structs);
Py_DECREF(params);
PyGILState_Release(state);
}
static gboolean
peas_extension_seed_call (PeasExtensionWrapper *exten,
const gchar *method_name,
GIArgument *args,
GIArgument *retval)
{
PeasExtensionSeed *sexten = PEAS_EXTENSION_SEED (exten);
GType exten_type;
SeedValue js_method;
GICallableInfo *func_info;
gint n_args, i;
SeedValue *js_in_args;
OutArg *out_args;
SeedValue js_ret, val;
SeedException exc = NULL;
gchar *exc_string;
gint n_in_args = 0;
gint n_out_args = 0;
GIArgument argument;
g_return_val_if_fail (sexten->js_context != NULL, FALSE);
g_return_val_if_fail (sexten->js_object != NULL, FALSE);
exten_type = peas_extension_wrapper_get_extension_type (exten);
/* Fetch the JS method we want to call */
js_method = seed_object_get_property (sexten->js_context,
sexten->js_object,
method_name);
if (seed_value_is_undefined (sexten->js_context, js_method))
{
g_warning ("Method '%s.%s' is not defined",
g_type_name (exten_type), method_name);
return FALSE;
}
/* We want to display an error if the method is defined but is not a function. */
if (!seed_value_is_function (sexten->js_context, js_method))
{
g_warning ("Method '%s.%s' is not a function",
g_type_name (exten_type), method_name);
return FALSE;
}
/* Prepare the arguments */
func_info = peas_gi_get_method_info (exten_type, method_name);
if (func_info == NULL)
return FALSE;
n_args = g_callable_info_get_n_args (func_info);
g_return_val_if_fail (n_args >= 0, FALSE);
js_in_args = g_newa (SeedValue, n_args);
out_args = g_newa (OutArg, n_args + 1);
/* We put the return value first in the out tuple, as it seems to be
* the common behaviour for GI-based bindings */
g_callable_info_load_return_type (func_info, &out_args[0].type_info);
if (g_type_info_get_tag (&out_args[0].type_info) != GI_TYPE_TAG_VOID)
out_args[n_out_args++].ptr = &retval->v_pointer;
/* Handle the other arguments */
for (i = 0; i < n_args && exc == NULL; i++)
{
GIArgInfo arg_info;
GIDirection direction;
g_callable_info_load_arg (func_info, i, &arg_info);
direction = g_arg_info_get_direction (&arg_info);
g_arg_info_load_type (&arg_info, &out_args[n_out_args].type_info);
if (direction == GI_DIRECTION_IN)
{
js_in_args[n_in_args++] = seed_value_from_gi_argument (sexten->js_context,
&args[i],
&out_args[n_out_args].type_info,
&exc);
}
if (direction == GI_DIRECTION_INOUT)
{
GIArgument arg;
peas_gi_pointer_to_argument (&out_args[n_out_args].type_info,
args[i].v_pointer, &arg);
js_in_args[n_in_args++] = seed_value_from_gi_argument (sexten->js_context,
&arg,
&out_args[n_out_args].type_info,
&exc);
}
if (direction == GI_DIRECTION_OUT || direction == GI_DIRECTION_INOUT)
out_args[n_out_args++].ptr = args[i].v_pointer;
}
if (exc != NULL)
goto cleanup;
js_ret = seed_object_call (sexten->js_context,
js_method,
sexten->js_object,
n_in_args,
js_in_args,
&exc);
if (exc != NULL)
goto cleanup;
if (n_out_args == 1)
{
if (seed_value_to_gi_argument (sexten->js_context, js_ret,
&out_args[0].type_info, &argument, &exc))
{
peas_gi_argument_to_pointer (&out_args[0].type_info,
&argument, out_args[0].ptr);
}
}
else if (n_out_args > 0 && seed_value_is_object (sexten->js_context, js_ret))
{
for (i = 0; i < n_out_args && exc == NULL; i++)
{
val = seed_object_get_property_at_index (sexten->js_context, js_ret,
i, exc);
if (exc == NULL &&
seed_value_to_gi_argument (sexten->js_context, val,
&out_args[i].type_info,
&argument, &exc))
{
peas_gi_argument_to_pointer (&out_args[i].type_info,
&argument, out_args[i].ptr);
}
}
}
cleanup:
g_base_info_unref ((GIBaseInfo *) func_info);
if (exc == NULL)
return TRUE;
exc_string = seed_exception_to_string (sexten->js_context, exc);
g_warning ("Seed Exception: %s", exc_string);
g_free (exc_string);
return FALSE;
}
void
peas_gi_valist_to_arguments (GICallableInfo *callable_info,
va_list va_args,
GIArgument *arguments,
gpointer *return_value)
{
gint i, n_args;
GIArgInfo arg_info;
GITypeInfo arg_type_info;
GITypeInfo retval_info;
GIArgument *cur_arg;
g_return_if_fail (callable_info != NULL);
n_args = g_callable_info_get_n_args (callable_info);
for (i = 0; i < n_args; i++)
{
g_callable_info_load_arg (callable_info, i, &arg_info);
g_arg_info_load_type (&arg_info, &arg_type_info);
cur_arg = &arguments[i];
switch (g_arg_info_get_direction (&arg_info))
{
case GI_DIRECTION_IN:
{
/* Notes: According to GCC 4.4,
* - int8, uint8, int16, uint16, short and ushort are promoted to int when passed through '...'
* - float is promoted to double when passed through '...'
*/
switch (g_type_info_get_tag (&arg_type_info))
{
case GI_TYPE_TAG_VOID:
cur_arg->v_pointer = va_arg (va_args, gpointer);
break;
case GI_TYPE_TAG_BOOLEAN:
cur_arg->v_boolean = va_arg (va_args, gboolean);
break;
case GI_TYPE_TAG_INT8:
cur_arg->v_int8 = va_arg (va_args, gint);
break;
case GI_TYPE_TAG_UINT8:
cur_arg->v_uint8 = va_arg (va_args, gint);
break;
case GI_TYPE_TAG_INT16:
cur_arg->v_int16 = va_arg (va_args, gint);
break;
case GI_TYPE_TAG_UINT16:
cur_arg->v_uint16 = va_arg (va_args, gint);
break;
case GI_TYPE_TAG_INT32:
cur_arg->v_int32 = va_arg (va_args, gint32);
break;
case GI_TYPE_TAG_UNICHAR:
case GI_TYPE_TAG_UINT32:
cur_arg->v_uint32 = va_arg (va_args, guint32);
break;
case GI_TYPE_TAG_INT64:
cur_arg->v_int64 = va_arg (va_args, gint64);
break;
case GI_TYPE_TAG_UINT64:
cur_arg->v_uint64 = va_arg (va_args, guint64);
break;
case GI_TYPE_TAG_FLOAT:
cur_arg->v_float = va_arg (va_args, gdouble);
break;
case GI_TYPE_TAG_DOUBLE:
cur_arg->v_double = va_arg (va_args, gdouble);
break;
case GI_TYPE_TAG_GTYPE:
/* apparently, GType is meant to be a gsize, from gobject/gtype.h in glib */
cur_arg->v_size = va_arg (va_args, GType);
break;
case GI_TYPE_TAG_UTF8:
case GI_TYPE_TAG_FILENAME:
cur_arg->v_string = va_arg (va_args, gchar *);
break;
case GI_TYPE_TAG_ARRAY:
case GI_TYPE_TAG_INTERFACE:
case GI_TYPE_TAG_GLIST:
case GI_TYPE_TAG_GSLIST:
case GI_TYPE_TAG_GHASH:
case GI_TYPE_TAG_ERROR:
cur_arg->v_pointer = va_arg (va_args, gpointer);
break;
default:
g_warn_if_reached ();
cur_arg->v_pointer = va_arg (va_args, gpointer);
break;
}
break;
}
/* In the other cases, we expect we will always have a pointer. */
case GI_DIRECTION_INOUT:
case GI_DIRECTION_OUT:
cur_arg->v_pointer = va_arg (va_args, gpointer);
break;
}
}
if (return_value != NULL)
{
g_callable_info_load_return_type (callable_info, &retval_info);
if (g_type_info_get_tag (&retval_info) != GI_TYPE_TAG_VOID)
*return_value = va_arg (va_args, gpointer);
else
*return_value = NULL;
}
}