JSObject*
gjs_boxed_from_c_struct(JSContext *context,
GIStructInfo *info,
void *gboxed,
GjsBoxedCreationFlags flags)
{
JSObject *obj;
JSObject *proto;
Boxed *priv;
Boxed *proto_priv;
if (gboxed == NULL)
return NULL;
gjs_debug_marshal(GJS_DEBUG_GBOXED,
"Wrapping struct %s %p with JSObject",
g_base_info_get_name((GIBaseInfo *)info), gboxed);
proto = gjs_lookup_boxed_prototype(context, info);
proto_priv = priv_from_js(context, proto);
obj = JS_NewObjectWithGivenProto(context,
JS_GET_CLASS(context, proto), proto,
gjs_get_import_global (context));
GJS_INC_COUNTER(boxed);
priv = g_slice_new0(Boxed);
*priv = *proto_priv;
g_base_info_ref( (GIBaseInfo*) priv->info);
JS_SetPrivate(context, obj, priv);
if ((flags & GJS_BOXED_CREATION_NO_COPY) != 0) {
/* we need to create a JS Boxed which references the
* original C struct, not a copy of it. Used for
* G_SIGNAL_TYPE_STATIC_SCOPE
*/
priv->gboxed = gboxed;
priv->not_owning_gboxed = TRUE;
} else {
if (priv->gtype != G_TYPE_NONE && g_type_is_a (priv->gtype, G_TYPE_BOXED)) {
priv->gboxed = g_boxed_copy(priv->gtype, gboxed);
} else if (priv->gtype == G_TYPE_VARIANT) {
priv->gboxed = g_variant_ref_sink (gboxed);
} else if (priv->can_allocate_directly) {
boxed_new_direct(priv);
memcpy(priv->gboxed, gboxed, g_struct_info_get_size (priv->info));
} else {
gjs_throw(context,
"Can't create a Javascript object for %s; no way to copy",
g_base_info_get_name( (GIBaseInfo*) priv->info));
}
}
return obj;
}
JSObject*
gjs_error_from_gerror(JSContext *context,
GError *gerror,
gboolean add_stack)
{
JSObject *obj;
JSObject *proto;
Error *priv;
Error *proto_priv;
GIEnumInfo *info;
if (gerror == NULL)
return NULL;
info = find_error_domain_info(gerror->domain);
if (!info) {
/* We don't have error domain metadata */
/* Marshal the error as a plain GError */
GIBaseInfo *glib_boxed;
JSObject *retval;
glib_boxed = g_irepository_find_by_name(NULL, "GLib", "Error");
retval = gjs_boxed_from_c_struct(context, glib_boxed, gerror, 0);
g_base_info_unref(glib_boxed);
return retval;
}
gjs_debug_marshal(GJS_DEBUG_GBOXED,
"Wrapping struct %s %p with JSObject",
g_base_info_get_name((GIBaseInfo *)info), gboxed);
proto = gjs_lookup_error_prototype(context, info);
proto_priv = priv_from_js(context, proto);
obj = JS_NewObjectWithGivenProto(context,
JS_GET_CLASS(context, proto), proto,
gjs_get_import_global (context));
GJS_INC_COUNTER(gerror);
priv = g_slice_new0(Error);
JS_SetPrivate(context, obj, priv);
priv->info = info;
priv->domain = proto_priv->domain;
g_base_info_ref( (GIBaseInfo*) priv->info);
priv->gerror = g_error_copy(gerror);
if (add_stack)
define_error_properties(context, obj);
return obj;
}
JSObject*
gjs_object_from_g_fundamental(JSContext *context,
GIObjectInfo *info,
void *gfundamental)
{
JSObject *proto;
JSObject *object;
if (gfundamental == NULL)
return NULL;
object = _fundamental_lookup_object(gfundamental);
if (object)
return object;
gjs_debug_marshal(GJS_DEBUG_GFUNDAMENTAL,
"Wrapping fundamental %s.%s %p with JSObject",
g_base_info_get_namespace((GIBaseInfo *) info),
g_base_info_get_name((GIBaseInfo *) info),
gfundamental);
proto = gjs_lookup_fundamental_prototype_from_gtype(context,
G_TYPE_FROM_INSTANCE(gfundamental));
object = JS_NewObjectWithGivenProto(context,
JS_GetClass(proto), proto,
gjs_get_import_global(context));
if (object == NULL)
goto out;
init_fundamental_instance(context, object);
associate_js_instance_to_fundamental(context, object, gfundamental, FALSE);
out:
return object;
}
static JSBool
gjs_value_from_g_value_internal(JSContext *context,
jsval *value_p,
const GValue *gvalue,
gboolean no_copy,
GSignalQuery *signal_query,
gint arg_n)
{
GType gtype;
gtype = G_VALUE_TYPE(gvalue);
gjs_debug_marshal(GJS_DEBUG_GCLOSURE,
"Converting gtype %s to jsval",
g_type_name(gtype));
if (gtype == G_TYPE_STRING) {
const char *v;
v = g_value_get_string(gvalue);
if (v == NULL) {
gjs_debug_marshal(GJS_DEBUG_GCLOSURE,
"Converting NULL string to JSVAL_NULL");
*value_p = JSVAL_NULL;
} else {
if (!gjs_string_from_utf8(context, v, -1, value_p))
return JS_FALSE;
}
} else if (gtype == G_TYPE_CHAR) {
char v;
v = g_value_get_schar(gvalue);
*value_p = INT_TO_JSVAL(v);
} else if (gtype == G_TYPE_UCHAR) {
unsigned char v;
v = g_value_get_uchar(gvalue);
*value_p = INT_TO_JSVAL(v);
} else if (gtype == G_TYPE_INT) {
int v;
v = g_value_get_int(gvalue);
return JS_NewNumberValue(context, v, value_p);
} else if (gtype == G_TYPE_UINT) {
uint v;
v = g_value_get_uint(gvalue);
return JS_NewNumberValue(context, v, value_p);
} else if (gtype == G_TYPE_DOUBLE) {
double d;
d = g_value_get_double(gvalue);
return JS_NewNumberValue(context, d, value_p);
} else if (gtype == G_TYPE_FLOAT) {
double d;
d = g_value_get_float(gvalue);
return JS_NewNumberValue(context, d, value_p);
} else if (gtype == G_TYPE_BOOLEAN) {
gboolean v;
v = g_value_get_boolean(gvalue);
*value_p = BOOLEAN_TO_JSVAL(v);
} else if (g_type_is_a(gtype, G_TYPE_OBJECT) || g_type_is_a(gtype, G_TYPE_INTERFACE)) {
GObject *gobj;
JSObject *obj;
gobj = g_value_get_object(gvalue);
obj = gjs_object_from_g_object(context, gobj);
*value_p = OBJECT_TO_JSVAL(obj);
} else if (gtype == G_TYPE_STRV) {
if (!gjs_array_from_strv (context,
value_p,
g_value_get_boxed (gvalue))) {
gjs_throw(context, "Failed to convert strv to array");
return JS_FALSE;
}
} else if (g_type_is_a(gtype, G_TYPE_HASH_TABLE) ||
g_type_is_a(gtype, G_TYPE_ARRAY) ||
g_type_is_a(gtype, G_TYPE_BYTE_ARRAY) ||
g_type_is_a(gtype, G_TYPE_PTR_ARRAY)) {
gjs_throw(context,
"Unable to introspect element-type of container in GValue");
return JS_FALSE;
} else if (g_type_is_a(gtype, G_TYPE_BOXED) ||
g_type_is_a(gtype, G_TYPE_VARIANT)) {
GjsBoxedCreationFlags boxed_flags;
GIBaseInfo *info;
void *gboxed;
JSObject *obj;
if (g_type_is_a(gtype, G_TYPE_BOXED))
gboxed = g_value_get_boxed(gvalue);
else
gboxed = g_value_get_variant(gvalue);
boxed_flags = GJS_BOXED_CREATION_NONE;
/* special case GError */
if (g_type_is_a(gtype, G_TYPE_ERROR)) {
obj = gjs_error_from_gerror(context, gboxed, FALSE);
*value_p = OBJECT_TO_JSVAL(obj);
return TRUE;
}
/* The only way to differentiate unions and structs is from
* their g-i info as both GBoxed */
info = g_irepository_find_by_gtype(g_irepository_get_default(),
gtype);
if (info == NULL) {
gjs_throw(context,
"No introspection information found for %s",
g_type_name(gtype));
return JS_FALSE;
}
if (g_base_info_get_type(info) == GI_INFO_TYPE_STRUCT &&
g_struct_info_is_foreign((GIStructInfo*)info)) {
JSBool ret;
GIArgument arg;
arg.v_pointer = gboxed;
ret = gjs_struct_foreign_convert_from_g_argument(context, value_p, info, &arg);
g_base_info_unref(info);
return ret;
}
switch (g_base_info_get_type(info)) {
case GI_INFO_TYPE_BOXED:
case GI_INFO_TYPE_STRUCT:
if (no_copy)
boxed_flags |= GJS_BOXED_CREATION_NO_COPY;
obj = gjs_boxed_from_c_struct(context, (GIStructInfo *)info, gboxed, boxed_flags);
break;
case GI_INFO_TYPE_UNION:
obj = gjs_union_from_c_union(context, (GIUnionInfo *)info, gboxed);
break;
default:
gjs_throw(context,
"Unexpected introspection type %d for %s",
g_base_info_get_type(info),
g_type_name(gtype));
g_base_info_unref(info);
return JS_FALSE;
}
*value_p = OBJECT_TO_JSVAL(obj);
g_base_info_unref(info);
} else if (g_type_is_a(gtype, G_TYPE_ENUM)) {
return convert_int_to_enum(context, value_p, gtype, g_value_get_enum(gvalue));
} else if (g_type_is_a(gtype, G_TYPE_PARAM)) {
GParamSpec *gparam;
JSObject *obj;
gparam = g_value_get_param(gvalue);
obj = gjs_param_from_g_param(context, gparam);
*value_p = OBJECT_TO_JSVAL(obj);
} else if (signal_query && g_type_is_a(gtype, G_TYPE_POINTER)) {
JSBool res;
GArgument arg;
GIArgInfo *arg_info;
GIBaseInfo *obj;
GISignalInfo *signal_info;
GITypeInfo type_info;
obj = g_irepository_find_by_gtype(NULL, signal_query->itype);
if (!obj) {
gjs_throw(context, "Signal argument with GType %s isn't introspectable",
g_type_name(signal_query->itype));
return JS_FALSE;
}
signal_info = g_object_info_find_signal((GIObjectInfo*)obj, signal_query->signal_name);
if (!signal_info) {
gjs_throw(context, "Unknown signal.");
g_base_info_unref((GIBaseInfo*)obj);
return JS_FALSE;
}
arg_info = g_callable_info_get_arg(signal_info, arg_n - 1);
g_arg_info_load_type(arg_info, &type_info);
arg.v_pointer = g_value_get_pointer(gvalue);
res = gjs_value_from_g_argument(context, value_p, &type_info, &arg, TRUE);
g_base_info_unref((GIBaseInfo*)arg_info);
g_base_info_unref((GIBaseInfo*)signal_info);
g_base_info_unref((GIBaseInfo*)obj);
return res;
} else if (g_type_is_a(gtype, G_TYPE_POINTER)) {
gpointer pointer;
pointer = g_value_get_pointer(gvalue);
if (pointer == NULL) {
*value_p = JSVAL_NULL;
} else {
gjs_throw(context,
"Can't convert non-null pointer to JS value");
return JS_FALSE;
}
} else if (g_value_type_transformable(gtype, G_TYPE_DOUBLE)) {
GValue double_value = { 0, };
double v;
g_value_init(&double_value, G_TYPE_DOUBLE);
g_value_transform(gvalue, &double_value);
v = g_value_get_double(&double_value);
return JS_NewNumberValue(context, v, value_p);
} else if (g_value_type_transformable(gtype, G_TYPE_INT)) {
GValue int_value = { 0, };
int v;
g_value_init(&int_value, G_TYPE_INT);
g_value_transform(gvalue, &int_value);
v = g_value_get_int(&int_value);
return JS_NewNumberValue(context, v, value_p);
} else {
gjs_throw(context,
"Don't know how to convert GType %s to JavaScript object",
g_type_name(gtype));
return JS_FALSE;
}
return JS_TRUE;
}
static void
closure_marshal(GClosure *closure,
GValue *return_value,
guint n_param_values,
const GValue *param_values,
gpointer invocation_hint,
gpointer marshal_data)
{
JSRuntime *runtime;
JSContext *context;
int argc;
jsval *argv;
jsval rval;
int i;
GSignalQuery signal_query = { 0, };
gjs_debug_marshal(GJS_DEBUG_GCLOSURE,
"Marshal closure %p",
closure);
if (!gjs_closure_is_valid(closure)) {
/* We were destroyed; become a no-op */
return;
}
runtime = gjs_closure_get_runtime(closure);
context = gjs_runtime_get_current_context(runtime);
JS_BeginRequest(context);
argc = n_param_values;
argv = g_newa(jsval, n_param_values);
rval = JSVAL_VOID;
gjs_set_values(context, argv, argc, JSVAL_VOID);
gjs_root_value_locations(context, argv, argc);
JS_AddValueRoot(context, &rval);
if (marshal_data) {
/* we are used for a signal handler */
guint signal_id;
signal_id = GPOINTER_TO_UINT(marshal_data);
g_signal_query(signal_id, &signal_query);
if (!signal_query.signal_id) {
gjs_debug(GJS_DEBUG_GCLOSURE,
"Signal handler being called on invalid signal");
goto cleanup;
}
if (signal_query.n_params + 1 != n_param_values) {
gjs_debug(GJS_DEBUG_GCLOSURE,
"Signal handler being called with wrong number of parameters");
goto cleanup;
}
}
for (i = 0; i < argc; ++i) {
const GValue *gval = ¶m_values[i];
gboolean no_copy;
no_copy = FALSE;
if (i >= 1 && signal_query.signal_id) {
no_copy = (signal_query.param_types[i - 1] & G_SIGNAL_TYPE_STATIC_SCOPE) != 0;
}
if (!gjs_value_from_g_value_internal(context, &argv[i], gval, no_copy, &signal_query, i)) {
gjs_debug(GJS_DEBUG_GCLOSURE,
"Unable to convert arg %d in order to invoke closure",
i);
gjs_log_exception(context, NULL);
goto cleanup;
}
}
gjs_closure_invoke(closure, argc, argv, &rval);
if (return_value != NULL) {
if (JSVAL_IS_VOID(rval)) {
/* something went wrong invoking, error should be set already */
goto cleanup;
}
if (!gjs_value_to_g_value(context, rval, return_value)) {
gjs_debug(GJS_DEBUG_GCLOSURE,
"Unable to convert return value when invoking closure");
gjs_log_exception(context, NULL);
goto cleanup;
}
}
cleanup:
gjs_unroot_value_locations(context, argv, argc);
JS_RemoveValueRoot(context, &rval);
JS_EndRequest(context);
}
static JSBool
gjs_value_to_g_value_internal(JSContext *context,
jsval value,
GValue *gvalue,
gboolean no_copy)
{
GType gtype;
gtype = G_VALUE_TYPE(gvalue);
if (gtype == 0) {
gtype = gjs_value_guess_g_type(context, value);
if (gtype == G_TYPE_INVALID) {
gjs_throw(context, "Could not guess unspecified GValue type");
return JS_FALSE;
}
gjs_debug_marshal(GJS_DEBUG_GCLOSURE,
"Guessed GValue type %s from JS Value",
g_type_name(gtype));
g_value_init(gvalue, gtype);
}
gjs_debug_marshal(GJS_DEBUG_GCLOSURE,
"Converting jsval to gtype %s",
g_type_name(gtype));
if (gtype == G_TYPE_STRING) {
/* Don't use ValueToString since we don't want to just toString()
* everything automatically
*/
if (JSVAL_IS_NULL(value)) {
g_value_set_string(gvalue, NULL);
} else if (JSVAL_IS_STRING(value)) {
gchar *utf8_string;
if (!gjs_string_to_utf8(context, value, &utf8_string))
return JS_FALSE;
g_value_take_string(gvalue, utf8_string);
} else {
gjs_throw(context,
"Wrong type %s; string expected",
gjs_get_type_name(value));
return JS_FALSE;
}
} else if (gtype == G_TYPE_CHAR) {
gint32 i;
if (JS_ValueToInt32(context, value, &i) && i >= SCHAR_MIN && i <= SCHAR_MAX) {
g_value_set_schar(gvalue, (signed char)i);
} else {
gjs_throw(context,
"Wrong type %s; char expected",
gjs_get_type_name(value));
return JS_FALSE;
}
} else if (gtype == G_TYPE_UCHAR) {
guint16 i;
if (JS_ValueToUint16(context, value, &i) && i <= UCHAR_MAX) {
g_value_set_uchar(gvalue, (unsigned char)i);
} else {
gjs_throw(context,
"Wrong type %s; unsigned char expected",
gjs_get_type_name(value));
return JS_FALSE;
}
} else if (gtype == G_TYPE_INT) {
gint32 i;
if (JS_ValueToInt32(context, value, &i)) {
g_value_set_int(gvalue, i);
} else {
gjs_throw(context,
"Wrong type %s; integer expected",
gjs_get_type_name(value));
return JS_FALSE;
}
} else if (gtype == G_TYPE_DOUBLE) {
gdouble d;
if (JS_ValueToNumber(context, value, &d)) {
g_value_set_double(gvalue, d);
} else {
gjs_throw(context,
"Wrong type %s; double expected",
gjs_get_type_name(value));
return JS_FALSE;
}
} else if (gtype == G_TYPE_FLOAT) {
gdouble d;
if (JS_ValueToNumber(context, value, &d)) {
g_value_set_float(gvalue, d);
} else {
gjs_throw(context,
"Wrong type %s; float expected",
gjs_get_type_name(value));
return JS_FALSE;
}
} else if (gtype == G_TYPE_UINT) {
guint32 i;
if (JS_ValueToECMAUint32(context, value, &i)) {
g_value_set_uint(gvalue, i);
} else {
gjs_throw(context,
"Wrong type %s; unsigned integer expected",
gjs_get_type_name(value));
return JS_FALSE;
}
} else if (gtype == G_TYPE_BOOLEAN) {
JSBool b;
/* JS_ValueToBoolean() pretty much always succeeds,
* which is maybe surprising sometimes, but could
* be handy also...
*/
if (JS_ValueToBoolean(context, value, &b)) {
g_value_set_boolean(gvalue, b);
} else {
gjs_throw(context,
"Wrong type %s; boolean expected",
gjs_get_type_name(value));
return JS_FALSE;
}
} else if (g_type_is_a(gtype, G_TYPE_OBJECT) || g_type_is_a(gtype, G_TYPE_INTERFACE)) {
GObject *gobj;
gobj = NULL;
if (JSVAL_IS_NULL(value)) {
/* nothing to do */
} else if (JSVAL_IS_OBJECT(value)) {
JSObject *obj;
obj = JSVAL_TO_OBJECT(value);
if (!gjs_typecheck_object(context, obj,
gtype, JS_TRUE))
return JS_FALSE;
gobj = gjs_g_object_from_object(context, obj);
} else {
gjs_throw(context,
"Wrong type %s; object %s expected",
gjs_get_type_name(value),
g_type_name(gtype));
return JS_FALSE;
}
g_value_set_object(gvalue, gobj);
} else if (gtype == G_TYPE_STRV) {
if (JSVAL_IS_NULL(value)) {
/* do nothing */
} else if (gjs_object_has_property(context,
JSVAL_TO_OBJECT(value),
"length")) {
jsval length_value;
guint32 length;
if (!gjs_object_require_property(context,
JSVAL_TO_OBJECT(value), NULL,
"length",
&length_value) ||
!JS_ValueToECMAUint32(context, length_value, &length)) {
gjs_throw(context,
"Wrong type %s; strv expected",
gjs_get_type_name(value));
return JS_FALSE;
} else {
void *result;
char **strv;
if (!gjs_array_to_strv (context,
value,
length, &result))
return JS_FALSE;
/* cast to strv in a separate step to avoid type-punning */
strv = result;
g_value_take_boxed (gvalue, strv);
}
} else {
gjs_throw(context,
"Wrong type %s; strv expected",
gjs_get_type_name(value));
return JS_FALSE;
}
} else if (g_type_is_a(gtype, G_TYPE_BOXED)) {
void *gboxed;
gboxed = NULL;
if (JSVAL_IS_NULL(value)) {
/* nothing to do */
} else if (JSVAL_IS_OBJECT(value)) {
JSObject *obj;
obj = JSVAL_TO_OBJECT(value);
if (g_type_is_a(gtype, G_TYPE_ERROR)) {
/* special case GError */
if (!gjs_typecheck_gerror(context, obj, JS_TRUE))
return JS_FALSE;
gboxed = gjs_gerror_from_error(context, obj);
} else {
/* First try a union, if that fails,
assume a boxed struct. Distinguishing
which one is expected would require checking
the associated GIBaseInfo, which is not necessary
possible, if e.g. we see the GType without
loading the typelib.
*/
if (gjs_typecheck_union(context, obj,
NULL, gtype, JS_FALSE)) {
gboxed = gjs_c_union_from_union(context, obj);
} else {
if (!gjs_typecheck_boxed(context, obj,
NULL, gtype, JS_TRUE))
return JS_FALSE;
gboxed = gjs_c_struct_from_boxed(context, obj);
}
}
} else {
gjs_throw(context,
"Wrong type %s; boxed type %s expected",
gjs_get_type_name(value),
g_type_name(gtype));
return JS_FALSE;
}
if (no_copy)
g_value_set_static_boxed(gvalue, gboxed);
else
g_value_set_boxed(gvalue, gboxed);
} else if (g_type_is_a(gtype, G_TYPE_VARIANT)) {
GVariant *variant = NULL;
if (JSVAL_IS_NULL(value)) {
/* nothing to do */
} else if (JSVAL_IS_OBJECT(value)) {
JSObject *obj = JSVAL_TO_OBJECT(value);
if (!gjs_typecheck_boxed(context, obj,
NULL, G_TYPE_VARIANT, JS_TRUE))
return JS_FALSE;
variant = gjs_c_struct_from_boxed(context, obj);
} else {
gjs_throw(context,
"Wrong type %s; boxed type %s expected",
gjs_get_type_name(value),
g_type_name(gtype));
return JS_FALSE;
}
g_value_set_variant (gvalue, variant);
} else if (g_type_is_a(gtype, G_TYPE_ENUM)) {
gint64 value_int64;
if (gjs_value_to_int64 (context, value, &value_int64)) {
GEnumValue *v;
/* See arg.c:_gjs_enum_to_int() */
v = g_enum_get_value(G_ENUM_CLASS(g_type_class_peek(gtype)),
(int)value_int64);
if (v == NULL) {
gjs_throw(context,
"%d is not a valid value for enumeration %s",
JSVAL_TO_INT(value), g_type_name(gtype));
return JS_FALSE;
}
g_value_set_enum(gvalue, v->value);
} else {
gjs_throw(context,
"Wrong type %s; enum %s expected",
gjs_get_type_name(value),
g_type_name(gtype));
return JS_FALSE;
}
} else if (g_type_is_a(gtype, G_TYPE_FLAGS)) {
gint64 value_int64;
if (gjs_value_to_int64 (context, value, &value_int64)) {
if (!_gjs_flags_value_is_valid(context, gtype, value_int64))
return JS_FALSE;
/* See arg.c:_gjs_enum_to_int() */
g_value_set_flags(gvalue, (int)value_int64);
} else {
gjs_throw(context,
"Wrong type %s; flags %s expected",
gjs_get_type_name(value),
g_type_name(gtype));
return JS_FALSE;
}
} else if (g_type_is_a(gtype, G_TYPE_PARAM)) {
void *gparam;
gparam = NULL;
if (JSVAL_IS_NULL(value)) {
/* nothing to do */
} else if (JSVAL_IS_OBJECT(value)) {
JSObject *obj;
obj = JSVAL_TO_OBJECT(value);
if (!gjs_typecheck_param(context, obj, gtype, JS_TRUE))
return JS_FALSE;
gparam = gjs_g_param_from_param(context, obj);
} else {
gjs_throw(context,
"Wrong type %s; param type %s expected",
gjs_get_type_name(value),
g_type_name(gtype));
return JS_FALSE;
}
g_value_set_param(gvalue, gparam);
} else if (g_type_is_a(gtype, G_TYPE_GTYPE)) {
GType type;
if (!JSVAL_IS_OBJECT(value)) {
gjs_throw(context, "Wrong type %s; expect a GType object",
gjs_get_type_name(value));
return JS_FALSE;
}
type = gjs_gtype_get_actual_gtype(context, JSVAL_TO_OBJECT(value));
g_value_set_gtype(gvalue, type);
} else if (g_type_is_a(gtype, G_TYPE_POINTER)) {
if (JSVAL_IS_NULL(value)) {
/* Nothing to do */
} else {
gjs_throw(context,
"Cannot convert non-null JS value to G_POINTER");
return JS_FALSE;
}
} else if (JSVAL_IS_NUMBER(value) &&
g_value_type_transformable(G_TYPE_INT, gtype)) {
/* Only do this crazy gvalue transform stuff after we've
* exhausted everything else. Adding this for
* e.g. ClutterUnit.
*/
gint32 i;
if (JS_ValueToInt32(context, value, &i)) {
GValue int_value = { 0, };
g_value_init(&int_value, G_TYPE_INT);
g_value_set_int(&int_value, i);
g_value_transform(&int_value, gvalue);
} else {
gjs_throw(context,
"Wrong type %s; integer expected",
gjs_get_type_name(value));
return JS_FALSE;
}
} else {
gjs_debug(GJS_DEBUG_GCLOSURE, "jsval is number %d gtype fundamental %d transformable to int %d from int %d",
JSVAL_IS_NUMBER(value),
G_TYPE_IS_FUNDAMENTAL(gtype),
g_value_type_transformable(gtype, G_TYPE_INT),
g_value_type_transformable(G_TYPE_INT, gtype));
gjs_throw(context,
"Don't know how to convert JavaScript object to GType %s",
g_type_name(gtype));
return JS_FALSE;
}
return JS_TRUE;
}
