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; }