C++ (Cpp) JsCreateContext示例

示例#1

文件： Js.cpp 项目： sugarontop/D2DWindow

JsErrorCode CreateHostContext(JsRuntimeHandle runtime, int argc, wchar_t *argv [], int argumentsStart, JsContextRef *context)
{	
	JsCreateContext(runtime, context);
	
	JsSetCurrentContext(*context);

	
	JsValueRef hostObject;
	JsCreateObject(&hostObject);
	ghostObject = hostObject;

	JsValueRef globalObject;
	JsGetGlobalObject(&globalObject);
	
	JsPropertyIdRef hostPropertyId;
	JsGetPropertyIdFromName(L"app", &hostPropertyId); // app.XXXXX 

	JsSetProperty(globalObject, hostPropertyId, hostObject, true);

	//IfFailRet(DefineHostCallback(hostObject, L"msgbox", msgbox, nullptr));

	JsSetCurrentContext(JS_INVALID_REFERENCE);

	return JsNoError;
}

示例#2

文件： main.c 项目： sdgdsffdsfff/js-engine

int main(){
	JsCreateVm(TRUE,0,NULL, NULL);
	CreatePrintFn();
	struct JsEngine* e = JsCreateEngine();
	while(1){
		struct JsContext* c = JsCreateContext(e, NULL,"Main Context");
		JsDispatch(c,&JsContextTask,NULL);
	}
	
	
	//安全推出主线程
	JsCloseSelf();
	return 0;
}

示例#3

文件： ChakraHost.cpp 项目： chukcha-wtf/react-native-windows

JsErrorCode ChakraHost::Init()
{
    currentSourceContext = 0;

    IfFailRet(JsCreateRuntime(JsRuntimeAttributeNone, nullptr, &runtime));
    IfFailRet(JsCreateContext(runtime, &context));
    IfFailRet(JsSetCurrentContext(context));

    IfFailRet(JsGetGlobalObject(&globalObject));

    IfFailRet(InitJson());
    IfFailRet(InitConsole());

    return JsNoError;
}

示例#4

文件： MemoryPolicyTest.cpp 项目： 280185386/ChakraCore

    void BasicTest(JsRuntimeAttributes attributes, LPCSTR fileName)
    {
        LPCWSTR script = nullptr;
        REQUIRE(FileLoadHelpers::LoadScriptFromFile(fileName, script) == S_OK);
        REQUIRE(script != nullptr);

        // Create the runtime
        JsRuntimeHandle runtime = JS_INVALID_RUNTIME_HANDLE;
        REQUIRE(JsCreateRuntime(attributes, nullptr, &runtime) == JsNoError);

        // Set memory limit
        REQUIRE(JsSetRuntimeMemoryLimit(runtime, MemoryLimit) == JsNoError);

        size_t memoryLimit;
        size_t memoryUsage;

        REQUIRE(JsGetRuntimeMemoryLimit(runtime, &memoryLimit) == JsNoError);
        CHECK(memoryLimit == MemoryLimit);
        REQUIRE(JsGetRuntimeMemoryUsage(runtime, &memoryUsage) == JsNoError);
        CHECK(memoryUsage < MemoryLimit);

        // Create and initialize the script context
        JsContextRef context = JS_INVALID_RUNTIME_HANDLE;
        REQUIRE(JsCreateContext(runtime, &context) == JsNoError);
        REQUIRE(JsSetCurrentContext(context) == JsNoError);

        // Invoke the script
        REQUIRE(JsRunScript(script, JS_SOURCE_CONTEXT_NONE, _u(""), nullptr) == JsErrorScriptException);

        ValidateOOMException();

        REQUIRE(JsGetRuntimeMemoryLimit(runtime, &memoryLimit) == JsNoError);
        CHECK(memoryLimit == MemoryLimit);
        REQUIRE(JsGetRuntimeMemoryUsage(runtime, &memoryUsage) == JsNoError);
        CHECK(memoryUsage <= MemoryLimit);

        // Destroy the runtime
        REQUIRE(JsSetCurrentContext(JS_INVALID_REFERENCE) == JsNoError);
        REQUIRE(JsCollectGarbage(runtime) == JsNoError);
        REQUIRE(JsDisposeRuntime(runtime) == JsNoError);
    }