JSBool
WrapperMoved(JSContext *cx, XPCWrappedNative *innerObj,
XPCWrappedNativeScope *newScope)
{
typedef WrappedNative2WrapperMap::Link Link;
XPCJSRuntime *rt = nsXPConnect::GetRuntimeInstance();
WrappedNative2WrapperMap *map = innerObj->GetScope()->GetWrapperMap();
Link *link;
{ // Scoped lock
XPCAutoLock al(rt->GetMapLock());
link = map->FindLink(innerObj->GetFlatJSObject());
}
if (!link) {
// No link here means that there were no XOWs for this object.
return JS_TRUE;
}
JSObject *xow = link->obj;
{ // Scoped lock.
XPCAutoLock al(rt->GetMapLock());
if (!newScope->GetWrapperMap()->AddLink(innerObj->GetFlatJSObject(), link))
return JS_FALSE;
map->Remove(innerObj->GetFlatJSObject());
}
if (!xow) {
// Nothing else to do.
return JS_TRUE;
}
return JS_SetReservedSlot(cx, xow, XPC_XOW_ScopeSlot,
PRIVATE_TO_JSVAL(newScope)) &&
JS_SetParent(cx, xow, newScope->GetGlobalJSObject());
}
static JSObject *
load_module_init(JSContext *context,
JSObject *in_object,
const char *full_path)
{
char *script;
gsize script_len;
jsval script_retval;
JSObject *module_obj;
GError *error;
JSBool found;
jsid module_init_name;
/* First we check if js module has already been loaded */
module_init_name = gjs_runtime_get_const_string(JS_GetRuntime(context),
GJS_STRING_MODULE_INIT);
if (JS_HasPropertyById(context, in_object, module_init_name, &found) && found) {
jsval module_obj_val;
if (JS_GetPropertyById(context,
in_object,
module_init_name,
&module_obj_val)) {
return JSVAL_TO_OBJECT(module_obj_val);
}
}
module_obj = JS_NewObject(context, NULL, NULL, NULL);
if (module_obj == NULL) {
return JS_FALSE;
}
/* https://bugzilla.mozilla.org/show_bug.cgi?id=599651 means we
* can't just pass in the global as the parent */
JS_SetParent(context, module_obj,
gjs_get_import_global (context));
/* Define module in importer for future use and to avoid module_obj
* object to be garbage collected during the evaluation of the script */
JS_DefinePropertyById(context, in_object,
module_init_name, OBJECT_TO_JSVAL(module_obj),
NULL, NULL,
GJS_MODULE_PROP_FLAGS & ~JSPROP_PERMANENT);
script_len = 0;
error = NULL;
if (!g_file_get_contents(full_path, &script, &script_len, &error)) {
if (!g_error_matches(error, G_FILE_ERROR, G_FILE_ERROR_ISDIR) &&
!g_error_matches(error, G_FILE_ERROR, G_FILE_ERROR_NOTDIR) &&
!g_error_matches(error, G_FILE_ERROR, G_FILE_ERROR_NOENT))
gjs_throw_g_error(context, error);
else
g_error_free(error);
return NULL;
}
g_assert(script != NULL);
gjs_debug(GJS_DEBUG_IMPORTER, "Importing %s", full_path);
if (!JS_EvaluateScript(context,
module_obj,
script,
script_len,
full_path,
1, /* line number */
&script_retval)) {
g_free(script);
/* If JSOPTION_DONT_REPORT_UNCAUGHT is set then the exception
* would be left set after the evaluate and not go to the error
* reporter function.
*/
if (JS_IsExceptionPending(context)) {
gjs_debug(GJS_DEBUG_IMPORTER,
"Module " MODULE_INIT_FILENAME " left an exception set");
gjs_log_and_keep_exception(context);
} else {
gjs_throw(context,
"JS_EvaluateScript() returned FALSE but did not set exception");
}
return NULL;
}
g_free(script);
return module_obj;
}
static int
ProcessArgs(JSContext *cx, JSObject *obj, char **argv, int argc)
{
const char rcfilename[] = "xpcshell.js";
FILE *rcfile;
int i, j, length;
JSObject *argsObj;
char *filename = NULL;
JSBool isInteractive = JS_TRUE;
JSBool forceTTY = JS_FALSE;
rcfile = fopen(rcfilename, "r");
if (rcfile) {
printf("[loading '%s'...]\n", rcfilename);
ProcessFile(cx, obj, rcfilename, rcfile, JS_FALSE);
}
/*
* Scan past all optional arguments so we can create the arguments object
* before processing any -f options, which must interleave properly with
* -v and -w options. This requires two passes, and without getopt, we'll
* have to keep the option logic here and in the second for loop in sync.
*/
for (i = 0; i < argc; i++) {
if (argv[i][0] != '-' || argv[i][1] == '\0') {
++i;
break;
}
switch (argv[i][1]) {
case 'v':
case 'f':
case 'e':
++i;
break;
default:;
}
}
/*
* Create arguments early and define it to root it, so it's safe from any
* GC calls nested below, and so it is available to -f <file> arguments.
*/
argsObj = JS_NewArrayObject(cx, 0, NULL);
if (!argsObj)
return 1;
if (!JS_DefineProperty(cx, obj, "arguments", OBJECT_TO_JSVAL(argsObj),
NULL, NULL, 0)) {
return 1;
}
length = argc - i;
for (j = 0; j < length; j++) {
JSString *str = JS_NewStringCopyZ(cx, argv[i++]);
if (!str)
return 1;
if (!JS_DefineElement(cx, argsObj, j, STRING_TO_JSVAL(str),
NULL, NULL, JSPROP_ENUMERATE)) {
return 1;
}
}
for (i = 0; i < argc; i++) {
if (argv[i][0] != '-' || argv[i][1] == '\0') {
filename = argv[i++];
isInteractive = JS_FALSE;
break;
}
switch (argv[i][1]) {
case 'v':
if (++i == argc) {
return usage();
}
JS_SetVersion(cx, JSVersion(atoi(argv[i])));
break;
case 'W':
reportWarnings = JS_FALSE;
break;
case 'w':
reportWarnings = JS_TRUE;
break;
case 's':
JS_ToggleOptions(cx, JSOPTION_STRICT);
break;
case 'x':
JS_ToggleOptions(cx, JSOPTION_XML);
break;
case 'P':
if (JS_GET_CLASS(cx, JS_GetPrototype(cx, obj)) != &global_class) {
JSObject *gobj;
if (!JS_SealObject(cx, obj, JS_TRUE))
return JS_FALSE;
gobj = JS_NewObject(cx, &global_class, NULL, NULL);
if (!gobj)
return JS_FALSE;
if (!JS_SetPrototype(cx, gobj, obj))
return JS_FALSE;
JS_SetParent(cx, gobj, NULL);
JS_SetGlobalObject(cx, gobj);
obj = gobj;
}
break;
case 'f':
if (++i == argc) {
return usage();
}
Process(cx, obj, argv[i], JS_FALSE);
/*
* XXX: js -f foo.js should interpret foo.js and then
* drop into interactive mode, but that breaks test
* harness. Just execute foo.js for now.
*/
isInteractive = JS_FALSE;
break;
case 'i':
isInteractive = forceTTY = JS_TRUE;
break;
case 'e':
{
jsval rval;
if (++i == argc) {
return usage();
}
JS_EvaluateScript(cx, obj, argv[i], strlen(argv[i]),
"-e", 1, &rval);
isInteractive = JS_FALSE;
break;
}
case 'C':
compileOnly = JS_TRUE;
isInteractive = JS_FALSE;
break;
#ifdef MOZ_SHARK
case 'k':
JS_ConnectShark();
break;
#endif
default:
return usage();
}
}
if (filename || isInteractive)
Process(cx, obj, filename, forceTTY);
return gExitCode;
}