C++ JS_NewRuntime函数代码示例

virtual JSRuntime * createRuntime() {
    JSRuntime *rt = JS_NewRuntime(768 * 1024, JS_USE_HELPER_THREADS);
    if (!rt)
        return nullptr;
    setNativeStackQuota(rt);
    return rt;
}

void TraceMonkeyEngine::init()
{
    Logging::log(Logging::DEBUG, "TraceMonkeyEngine::init\r\n");
    INDENT_LOG(Logging::DEBUG);

    assert(runtime == NULL);

    runtime = JS_NewRuntime(8L * 1024L * 1024L); // Force GC after X MB.
    if (runtime == NULL)
    {
        Logging::log(Logging::ERROR, "Cannot create TraceMonkey runtime\r\n");
        assert(0);
    }

    /* Create a context. */
    context = JS_NewContext(runtime, 8192);
    if (context == NULL)
    {
        Logging::log(Logging::ERROR, "Cannot create TraceMonkey runtime\r\n");
        assert(0);
    }

    JS_SetOptions(context, JSOPTION_VAROBJFIX);
    JS_SetVersion(context, JSVERSION_ECMA_3);
    JS_SetErrorReporter(context, reportError);

    // Create the global object. Store it locally for a while until it is usable by others
    JSObject* _global = JS_NewObject(context, &global_class, NULL, NULL);
    if (_global == NULL)
    {
        Logging::log(Logging::ERROR, "Cannot create TraceMonkey runtime\r\n");
        assert(0);
    }

    /* Populate the global object with the standard globals,
       like Object and Array. */
    if (!JS_InitStandardClasses(context, _global))
    {
        Logging::log(Logging::ERROR, "Cannot create TraceMonkey runtime\r\n");
        assert(0);
    }

    // Create our internal wrappers

    globalValue = ScriptValuePtr(new TraceMonkeyValue( this, true, OBJECT_TO_JSVAL(_global) ));
    global = _global; // Now that globalValue is set, it is usable by others, so reveal it

    // JITting
//    JS_ToggleOptions(context, JSOPTION_JIT); // Might be buggy, wait for 1.8 to release

// JS_MaybeGC - call during idle time in the main loop? Or other method?

// Use JS_SetContextPrivate and JS_GetContextPrivate to associate application-specific data with a context.
//  - Useful for security checks, once we have a context for the system and sandboxed contexts
//    for user scripts

    // Debugging features

    JS_SetGCZeal(context, 2); // XXX This is 'extremely high' - make a parameter, see MDC docs
}

JSInterpreter::JSInterpreter() {
        /* Create a JS runtime. You always need at least one runtime per process. */
        rt = JS_NewRuntime(8 * 1024 * 1024);
        if (rt == NULL)
            throw * new std::runtime_error("Can't create JS runtime.");

        /*
         * Create a context. You always need a context per thread.
         * Note that this program is not multi-threaded.
         */
        cx = JS_NewContext(rt, 8192);
        if (cx == NULL)
            throw * new std::runtime_error("Can't create js context.");

        JS_SetOptions(cx, JSOPTION_VAROBJFIX | JSOPTION_JIT | JSOPTION_METHODJIT);
        JS_SetVersion(cx, JSVERSION_LATEST);
        JS_SetErrorReporter(cx, reportError);

        /*
         * Create the global object in a new compartment.
         * You always need a global object per context.
         */
        global = JS_NewCompartmentAndGlobalObject(cx, &global_class, NULL);
        if (global == NULL)
            throw * new std::runtime_error("Can't create global object.");

        /*
         * Populate the global object with the standard JavaScript
         * function and object classes, such as Object, Array, Date.
         */
        if (!JS_InitStandardClasses(cx, global))
            throw * new std::runtime_error("Can't initialise standard classes.");

    }

bool round_js_sm_engine_init(RoundJavaScriptEngine* engine)
{
  if (!engine)
    return NULL;

  JS_SetCStringsAreUTF8();

  engine->cx = NULL;
  engine->rt = NULL;
  engine->obj = NULL;

  engine->rt = JS_NewRuntime(8L * 1024L * 1024L);
  if (!engine->rt)
    return false;

  engine->cx = JS_NewContext(engine->rt, 8192);
  if (!engine->cx)
    return false;

  JS_SetErrorReporter(engine->cx, RoundJSReportError);

  // Obsolete since JSAPI 16
  engine->obj = JS_NewCompartmentAndGlobalObject(engine->cx, &RoundJSGlobalClass, NULL);
  if (!engine->obj)
    return false;

  JS_InitStandardClasses(engine->cx, engine->obj);
  JS_DefineFunctions(engine->cx, engine->obj, JS_SM_FUNCTIONS);

  return true;
}

static int
js_init(void)
{
  JSContext *cx;

  JS_SetCStringsAreUTF8();

  runtime = JS_NewRuntime(0x1000000);

  cx = js_newctx(err_reporter);

  JS_BeginRequest(cx);

  showtimeobj = JS_NewObject(cx, &showtime_class, NULL, NULL);
  JS_DefineFunctions(cx, showtimeobj, showtime_functions);

  JSFunction *fn = JS_DefineFunction(cx, showtimeobj, "RichText",
				     js_RichText, 1, 0);
  RichText = JS_GetFunctionObject(fn);
	     
  JS_AddNamedRoot(cx, &showtimeobj, "showtime");

  JS_EndRequest(cx);
  JS_DestroyContext(cx);

  return 0;
}

int main(int argc, const char *argv[]) {
    /* Initialize the JS engine -- new/required as of SpiderMonkey 31. */
    /*if (!JS_Init())
       return 1;*/

    /* Create a JS runtime. */
    JSRuntime *rt = JS_NewRuntime(8L * 1024L * 1024L, JS_NO_HELPER_THREADS);
    if (!rt)
       return 1;

    /* Create a context. */
    JSContext *cx = JS_NewContext(rt, 8192);
    if (!cx)
       return 1;
    JS_SetOptions(cx, JSOPTION_VAROBJFIX);
    JS_SetErrorReporter(cx, reportError);

    int status = run(cx);

    JS_DestroyContext(cx);
    JS_DestroyRuntime(rt);

    /* Shut down the JS engine. */
    JS_ShutDown();

    return status;
}

spidermonkey_vm *sm_initialize(long thread_stack, long heap_size) {
  spidermonkey_vm *vm = ejs_alloc(sizeof(spidermonkey_vm));
  spidermonkey_state *state = ejs_alloc(sizeof(spidermonkey_state));
  state->branch_count = 0;
  state->error = NULL;
  state->terminate = 0;
  int gc_size = (int) heap_size * 0.25;
  vm->runtime = JS_NewRuntime(MAX_GC_SIZE);
  JS_SetGCParameter(vm->runtime, JSGC_MAX_BYTES, heap_size);
  JS_SetGCParameter(vm->runtime, JSGC_MAX_MALLOC_BYTES, gc_size);
  vm->context = JS_NewContext(vm->runtime, 8192);
  JS_SetScriptStackQuota(vm->context, thread_stack);

  begin_request(vm);
  JS_SetOptions(vm->context, JSOPTION_VAROBJFIX);
  JS_SetOptions(vm->context, JSOPTION_STRICT);
  JS_SetOptions(vm->context, JSOPTION_COMPILE_N_GO);
  JS_SetOptions(vm->context, JSVERSION_LATEST);
  vm->global = JS_NewCompartmentAndGlobalObject(vm->context, &global_class, NULL);
  JS_InitStandardClasses(vm->context, vm->global);
  JS_SetErrorReporter(vm->context, on_error);
  JS_SetOperationCallback(vm->context, on_branch);
  JS_SetContextPrivate(vm->context, state);
  JSNative funptr = (JSNative) &js_log;
  JS_DefineFunction(vm->context, JS_GetGlobalObject(vm->context), "ejsLog", funptr,
                    0, 0);
  end_request(vm);

  return vm;
}

PyObject*
Runtime_new(PyTypeObject* type, PyObject* args, PyObject* kwargs)
{
    Runtime* self = NULL;
    unsigned int stacksize = 0x2000000; // 32 MiB heap size.

    if (!PyArg_ParseTuple(args, "|I", &stacksize)) goto error;

#ifdef SPIDERMONKEY_31
    if (!JS_Init())
    {
        PyErr_SetString(JSError, "Failed to initilaize JS engine");
        goto error;
    }
#endif

    self = (Runtime*) type->tp_alloc(type, 0);
    if(self == NULL) goto error;

    self->rt = JS_NewRuntime(stacksize, JS_NO_HELPER_THREADS);
    if(self->rt == NULL)
    {
        PyErr_SetString(JSError, "Failed to allocate new JSRuntime.");
        goto error;
    }

    goto success;

error:
    Py_XDECREF(self);
    self = NULL;

success:
    return (PyObject*) self;
}

static int
js_init(void)
{
  JSContext *cx;
  jsval val;

  JS_SetCStringsAreUTF8();

  runtime = JS_NewRuntime(0x1000000);

  cx = js_newctx(err_reporter);

  JS_BeginRequest(cx);

  showtimeobj = JS_NewObject(cx, &showtime_class, NULL, NULL);
  JS_DefineFunctions(cx, showtimeobj, showtime_functions);

  val = INT_TO_JSVAL(showtime_get_version_int());
  JS_SetProperty(cx, showtimeobj, "currentVersionInt", &val);

  val = STRING_TO_JSVAL(JS_NewStringCopyZ(cx, htsversion));
  JS_SetProperty(cx, showtimeobj, "currentVersionString", &val);


  JSFunction *fn = JS_DefineFunction(cx, showtimeobj, "RichText",
				     js_RichText, 1, 0);
  RichText = JS_GetFunctionObject(fn);
	     
  JS_AddNamedRoot(cx, &showtimeobj, "showtime");

  JS_EndRequest(cx);
  JS_DestroyContext(cx);

  return 0;
}

int theMain(int argc, char **argv){
	obj.screenLog = TEMP_EN_LOG; //initially disable logging to screen.
		
	//Define the quit handler;
	signal(SIGTERM,exitHandle);
	initSDL();


	//JS_Init(); //SETUP SPIDERMONKEY -> NEW VERSION!!

	if(!(runtime = JS_NewRuntime(8L *1024*1024L * 8,JS_USE_HELPER_THREADS /*JS_NO_HELPER_THREADS*/ ))){
		fprint(stderr,"Could not setup runtime\n");
		exit(EXIT_FAILURE);
	}
	
	init_video_libraries(&argc,&argv);
	
	while(1){
		char *appPath = NULL;
		appPath = launchApp(MENU_SCRIPT,1);
		if(appPath == NULL)
			continue;
		loadApp(appPath);
	}
	return EXIT_SUCCESS;
}

int
main (int argc, char *argv[])
{
    JSRuntime *rt;
    JSObject *glob;
    int number_failed;
    Suite *s;
    SRunner *sr;

    g_type_init ();
    
    rt = JS_NewRuntime(0x100000); 
    cx = JS_NewContext(rt, 0x1000); 

    /* create the global object here */
    glob = JS_NewObject(cx, NULL, NULL, NULL);
    JS_InitStandardClasses(cx, glob);

    s = gom_value_suite ();
    sr = srunner_create (s);

    srunner_run_all (sr, CK_NORMAL);
    number_failed = srunner_ntests_failed (sr);
    srunner_free (sr);

    return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}

int main(int argc, const char *argv[]) {
    /* JS variables. */
    JSRuntime *rt;
    JSContext *cx;
    JSObject *global;

    /* Create a JS runtime. */
    rt = JS_NewRuntime(8L * 1024L * 1024L,JS_NO_HELPER_THREADS);
    if (rt == NULL)
       return 1;

    /* Create a context. */
    cx = JS_NewContext(rt, 8192);
    if (cx == NULL)
       return 1;
    JS_SetOptions(cx, JSOPTION_VAROBJFIX | JSOPTION_METHODJIT);
    JS_SetVersion(cx, JSVERSION_LATEST);
    JS_SetErrorReporter(cx, reportError);

    /* Create the global object in a new compartment. */
    global = JS_NewGlobalObject(cx, &global_class, NULL);
    if (global == NULL)
       return 1;

    /* Populate the global object with the standard globals, like Object and Array. */
    if (!JS_InitStandardClasses(cx, global))
       return 1;

 
    /* Your application code here. This may include JSAPI calls
     * to create your own custom JavaScript objects and to run scripts.
     *
     * The following example code creates a literal JavaScript script,
     * evaluates it, and prints the result to stdout.
     *
     * Errors are conventionally saved in a JSBool variable named ok.
     */
	
	JS_DefineFunction(cx,global,"print",&js_print,0,0);
	
	// execJsFile(cx,"t.js");
	
	// testObj(cx);
	
	beforeTest(cx);
	execJsFile(cx,"t4.js");
	test(cx);
    
 
    /* End of your application code */
 
    /* Clean things up and shut down SpiderMonkey. */
    JS_DestroyContext(cx);
    JS_DestroyRuntime(rt);
    JS_ShutDown();
    return 0;
}

virtual JSRuntime * createRuntime() override
{
    JSRuntime* rt = JS_NewRuntime(0);
    if (!rt)
        return nullptr;
    JS_SetGCParameter(rt, JSGC_MAX_BYTES, (uint32_t)-1);
    setNativeStackQuota(rt);
    return rt;
}

bool Engine::init()
{
	m_runtime = JS_NewRuntime(8L*1024L*1024L);
	if ( m_runtime==NULL ) {
		return false;
	}

	return true;
}

qq_js_t* qq_js_init()
{
    qq_js_t* h =(qq_js_t*) s_malloc0(sizeof(*h));
    h->runtime = JS_NewRuntime(8L*1024L*1024L);
    h->context = JS_NewContext(h->runtime, 8*1024);
    JS_SetOptions(h->context, JSOPTION_VAROBJFIX);
    JS_SetErrorReporter(h->context, report_error);
    h->global = JS_NewCompartmentAndGlobalObject(h->context, &global_class, NULL);
    JS_InitStandardClasses(h->context, h->global);
    return h;
}