int
XRE_XPCShellMain(int argc, char **argv, char **envp)
{
JSRuntime *rt;
JSContext *cx;
int result;
nsresult rv;
gErrFile = stderr;
gOutFile = stdout;
gInFile = stdin;
NS_LogInit();
nsCOMPtr<nsIFile> appFile;
rv = XRE_GetBinaryPath(argv[0], getter_AddRefs(appFile));
if (NS_FAILED(rv)) {
printf("Couldn't find application file.\n");
return 1;
}
nsCOMPtr<nsIFile> appDir;
rv = appFile->GetParent(getter_AddRefs(appDir));
if (NS_FAILED(rv)) {
printf("Couldn't get application directory.\n");
return 1;
}
XPCShellDirProvider dirprovider;
dirprovider.SetAppFile(appFile);
if (argc > 1 && !strcmp(argv[1], "-g")) {
if (argc < 3)
return usage();
if (!dirprovider.SetGREDir(argv[2])) {
printf("SetGREDir failed.\n");
return 1;
}
argc -= 2;
argv += 2;
}
if (argc > 1 && !strcmp(argv[1], "-a")) {
if (argc < 3)
return usage();
nsCOMPtr<nsIFile> dir;
rv = XRE_GetFileFromPath(argv[2], getter_AddRefs(dir));
if (NS_SUCCEEDED(rv)) {
appDir = do_QueryInterface(dir, &rv);
dirprovider.SetAppDir(appDir);
}
if (NS_FAILED(rv)) {
printf("Couldn't use given appdir.\n");
return 1;
}
argc -= 2;
argv += 2;
}
while (argc > 1 && !strcmp(argv[1], "-r")) {
if (argc < 3)
return usage();
nsCOMPtr<nsIFile> lf;
rv = XRE_GetFileFromPath(argv[2], getter_AddRefs(lf));
if (NS_FAILED(rv)) {
printf("Couldn't get manifest file.\n");
return 1;
}
XRE_AddManifestLocation(NS_COMPONENT_LOCATION, lf);
argc -= 2;
argv += 2;
}
#ifdef MOZ_CRASHREPORTER
// This is needed during startup and also shutdown, so keep it out
// of the nested scope.
// Special exception: will remain usable after NS_ShutdownXPCOM
nsCOMPtr<nsICrashReporter> crashReporter;
#endif
{
if (argc > 1 && !strcmp(argv[1], "--greomni")) {
nsCOMPtr<nsIFile> greOmni;
nsCOMPtr<nsIFile> appOmni;
XRE_GetFileFromPath(argv[2], getter_AddRefs(greOmni));
if (argc > 3 && !strcmp(argv[3], "--appomni")) {
XRE_GetFileFromPath(argv[4], getter_AddRefs(appOmni));
argc-=2;
argv+=2;
} else {
appOmni = greOmni;
}
XRE_InitOmnijar(greOmni, appOmni);
argc-=2;
argv+=2;
}
nsCOMPtr<nsIServiceManager> servMan;
rv = NS_InitXPCOM2(getter_AddRefs(servMan), appDir, &dirprovider);
if (NS_FAILED(rv)) {
printf("NS_InitXPCOM2 failed!\n");
return 1;
}
#ifdef MOZ_CRASHREPORTER
const char *val = getenv("MOZ_CRASHREPORTER");
crashReporter = do_GetService("@mozilla.org/toolkit/crash-reporter;1");
if (val && *val) {
crashReporter->SetEnabled(true);
}
#endif
nsCOMPtr<nsIJSRuntimeService> rtsvc = do_GetService("@mozilla.org/js/xpc/RuntimeService;1");
// get the JSRuntime from the runtime svc
if (!rtsvc) {
printf("failed to get nsJSRuntimeService!\n");
return 1;
}
if (NS_FAILED(rtsvc->GetRuntime(&rt)) || !rt) {
printf("failed to get JSRuntime from nsJSRuntimeService!\n");
return 1;
}
rtsvc->RegisterContextCallback(ContextCallback);
// Override the default XPConnect operation callback. We could store the
// old one and restore it before shutting down, but there's not really a
// reason to bother.
JS_SetOperationCallback(rt, XPCShellOperationCallback);
cx = JS_NewContext(rt, 8192);
if (!cx) {
printf("JS_NewContext failed!\n");
return 1;
}
argc--;
argv++;
ProcessArgsForCompartment(cx, argv, argc);
nsCOMPtr<nsIXPConnect> xpc = do_GetService(nsIXPConnect::GetCID());
if (!xpc) {
printf("failed to get nsXPConnect service!\n");
return 1;
}
nsCOMPtr<nsIPrincipal> systemprincipal;
// Fetch the system principal and store it away in a global, to use for
// script compilation in Load() and ProcessFile() (including interactive
// eval loop)
{
nsCOMPtr<nsIScriptSecurityManager> securityManager =
do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv);
if (NS_SUCCEEDED(rv) && securityManager) {
rv = securityManager->GetSystemPrincipal(getter_AddRefs(systemprincipal));
if (NS_FAILED(rv)) {
fprintf(gErrFile, "+++ Failed to obtain SystemPrincipal from ScriptSecurityManager service.\n");
} else {
// fetch the JS principals and stick in a global
gJSPrincipals = nsJSPrincipals::get(systemprincipal);
JS_HoldPrincipals(gJSPrincipals);
}
} else {
fprintf(gErrFile, "+++ Failed to get ScriptSecurityManager service, running without principals");
}
}
const JSSecurityCallbacks *scb = JS_GetSecurityCallbacks(rt);
MOZ_ASSERT(scb, "We are assuming that nsScriptSecurityManager::Init() has been run");
shellSecurityCallbacks = *scb;
JS_SetSecurityCallbacks(rt, &shellSecurityCallbacks);
#ifdef TEST_TranslateThis
nsCOMPtr<nsIXPCFunctionThisTranslator>
translator(new nsXPCFunctionThisTranslator);
xpc->SetFunctionThisTranslator(NS_GET_IID(nsITestXPCFunctionCallback), translator);
#endif
nsCxPusher pusher;
pusher.Push(cx);
nsRefPtr<BackstagePass> backstagePass;
rv = NS_NewBackstagePass(getter_AddRefs(backstagePass));
if (NS_FAILED(rv)) {
fprintf(gErrFile, "+++ Failed to create BackstagePass: %8x\n",
static_cast<uint32_t>(rv));
return 1;
}
JS::CompartmentOptions options;
options.setZone(JS::SystemZone)
.setVersion(JSVERSION_LATEST);
nsCOMPtr<nsIXPConnectJSObjectHolder> holder;
rv = xpc->InitClassesWithNewWrappedGlobal(cx,
static_cast<nsIGlobalObject *>(backstagePass),
systemprincipal,
0,
options,
getter_AddRefs(holder));
if (NS_FAILED(rv))
return 1;
{
JS::Rooted<JSObject*> glob(cx, holder->GetJSObject());
if (!glob) {
return 1;
}
backstagePass->SetGlobalObject(glob);
JSAutoCompartment ac(cx, glob);
if (!JS_InitReflect(cx, glob)) {
JS_EndRequest(cx);
return 1;
}
if (!JS_DefineFunctions(cx, glob, glob_functions) ||
!JS_DefineProfilingFunctions(cx, glob)) {
JS_EndRequest(cx);
return 1;
}
JS::Rooted<JSObject*> envobj(cx);
envobj = JS_DefineObject(cx, glob, "environment", &env_class, nullptr, 0);
if (!envobj) {
JS_EndRequest(cx);
return 1;
}
JS_SetPrivate(envobj, envp);
nsAutoString workingDirectory;
if (GetCurrentWorkingDirectory(workingDirectory))
gWorkingDirectory = &workingDirectory;
JS_DefineProperty(cx, glob, "__LOCATION__", JSVAL_VOID,
GetLocationProperty, nullptr, 0);
JS_AddValueRoot(cx, &sScriptedOperationCallback);
result = ProcessArgs(cx, glob, argv, argc, &dirprovider);
JS_RemoveValueRoot(cx, &sScriptedOperationCallback);
JS_DropPrincipals(rt, gJSPrincipals);
JS_SetAllNonReservedSlotsToUndefined(cx, glob);
JS_GC(rt);
}
pusher.Pop();
JS_GC(rt);
JS_DestroyContext(cx);
} // this scopes the nsCOMPtrs
if (!XRE_ShutdownTestShell())
NS_ERROR("problem shutting down testshell");
// no nsCOMPtrs are allowed to be alive when you call NS_ShutdownXPCOM
rv = NS_ShutdownXPCOM( nullptr );
MOZ_ASSERT(NS_SUCCEEDED(rv), "NS_ShutdownXPCOM failed");
#ifdef TEST_CALL_ON_WRAPPED_JS_AFTER_SHUTDOWN
// test of late call and release (see above)
JSContext* bogusCX;
bogus->Peek(&bogusCX);
bogus = nullptr;
#endif
appDir = nullptr;
appFile = nullptr;
dirprovider.ClearGREDir();
dirprovider.ClearAppDir();
dirprovider.ClearPluginDir();
dirprovider.ClearAppFile();
#ifdef MOZ_CRASHREPORTER
// Shut down the crashreporter service to prevent leaking some strings it holds.
if (crashReporter) {
crashReporter->SetEnabled(false);
crashReporter = nullptr;
}
#endif
NS_LogTerm();
return result;
}
