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C++ QScriptEngine::pushContext方法代码示例

本文整理汇总了C++中QScriptEngine::pushContext方法的典型用法代码示例。如果您正苦于以下问题：C++ QScriptEngine::pushContext方法的具体用法？C++ QScriptEngine::pushContext怎么用？C++ QScriptEngine::pushContext使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QScriptEngine的用法示例。


在下文中一共展示了QScriptEngine::pushContext方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: qobjectAsActivationObject

void tst_QScriptContext::qobjectAsActivationObject()
{
    QScriptEngine eng;
    QObject object;
    QScriptValue scriptObject = eng.newQObject(&object);
    QScriptContext *ctx = eng.pushContext();
    ctx->setActivationObject(scriptObject);
    QVERIFY(ctx->activationObject().equals(scriptObject));

    QVERIFY(!scriptObject.property("foo").isValid());
    eng.evaluate("function foo() { return 123; }");
    {
        QScriptValue val = scriptObject.property("foo");
        QVERIFY(val.isValid());
        QVERIFY(val.isFunction());
    }
    QVERIFY(!eng.globalObject().property("foo").isValid());

    QVERIFY(!scriptObject.property("bar").isValid());
    eng.evaluate("var bar = 123");
    {
        QScriptValue val = scriptObject.property("bar");
        QVERIFY(val.isValid());
        QVERIFY(val.isNumber());
        QCOMPARE(val.toInt32(), 123);
    }
    QVERIFY(!eng.globalObject().property("bar").isValid());

    {
        QScriptValue val = eng.evaluate("delete foo");
        QVERIFY(val.isBool());
        QVERIFY(val.toBool());
        QVERIFY(!scriptObject.property("foo").isValid());
    }
}
开发者ID:kuailexs，项目名称:symbiandump-mw3，代码行数:35，代码来源:tst_qscriptcontext.cpp

示例2: eventTest

bool ConditionalTransition::eventTest(QEvent* e) {
    if (e->type() != NamedEvent::type) {
        return false;
    }

    NamedEvent* namedEvent = static_cast<NamedEvent*>(e);

    if (namedEvent->getEventName() != eventName) {
        return false;
    }

    if (!condition.isEmpty()) {
        QScriptEngine* scriptEngine = stateMachine->getScriptEngine();
        QScriptContext* context = scriptEngine->pushContext();

        context->activationObject().setProperty("input", ValueScriptBinding::create(scriptEngine, &sourceState->getInput())); // TODO performance?
        context->activationObject().setProperty("output", ValueScriptBinding::create(scriptEngine, &sourceState->getOutput())); // TODO performance?

        bool result = scriptEngine->evaluate(condition).toBool();

        scriptEngine->popContext();

        return result;
    }

    return true;
}
开发者ID:miniME89，项目名称:hfsm-exec，代码行数:27，代码来源:statemachine.cpp

示例3: 

void QFormScriptRunner::QFormScriptRunnerPrivate::initializeEngine(QWidget *w, const WidgetList &children, QScriptEngine &scriptEngine) {
    // Populate the script variables. This pushes a context which must be popped.
    QScriptContext *ctx = scriptEngine.pushContext();
    QScriptValue widgetObject =  scriptEngine.newQObject(w);
    QScriptValue childrenArray = scriptEngine.newArray (children.size());

    for(int i = 0; i < children.size(); i++) {
        childrenArray.setProperty(i, scriptEngine.newQObject(children[i]));
    }

    const QFormBuilderStrings &strings = QFormBuilderStrings::instance();
    ctx ->activationObject().setProperty(strings.scriptWidgetVariable, widgetObject);
    ctx ->activationObject().setProperty(strings.scriptChildWidgetsVariable, childrenArray);
}
开发者ID:Fale，项目名称:qtmoko，代码行数:14，代码来源:formscriptrunner.cpp

示例4: setup

void Cluster::setup ()
{
    QScriptEngine* engine = scene->scriptEngine();
    QScriptContext* ctx = engine->pushContext();
    QScriptValue ao = ctx->activationObject();
    prepGlobalObject(ao);
    ao.setProperty("emit", engine->newFunction(emitFun));

    /// @todo is this the best way to get access to the cluster?
    QVariant var = qVariantFromValue(this);
    ao.setProperty("self", engine->newVariant(var));

    engine->evaluate(d->shellProgram);
    engine->popContext();
}
开发者ID:kuro，项目名称:fyreware，代码行数:15，代码来源:Cluster.cpp

示例5: popNativeContextScope

void tst_QScriptContext::popNativeContextScope()
{
    QScriptEngine eng;
    QScriptContext *ctx = eng.pushContext();
    QVERIFY(ctx->popScope().isObject()); // the activation object

    QCOMPARE(ctx->scopeChain().size(), 1);
    QVERIFY(ctx->scopeChain().at(0).strictlyEquals(eng.globalObject()));
    // This was different in 4.5: scope and activation were decoupled
    QVERIFY(ctx->activationObject().strictlyEquals(eng.globalObject()));

    QVERIFY(!eng.evaluate("var foo = 123; function bar() {}").isError());
    QVERIFY(eng.globalObject().property("foo").isNumber());
    QVERIFY(eng.globalObject().property("bar").isFunction());

    QScriptValue customScope = eng.newObject();
    ctx->pushScope(customScope);
    QCOMPARE(ctx->scopeChain().size(), 2);
    QVERIFY(ctx->scopeChain().at(0).strictlyEquals(customScope));
    QVERIFY(ctx->scopeChain().at(1).strictlyEquals(eng.globalObject()));
    QVERIFY(ctx->activationObject().strictlyEquals(eng.globalObject()));
    ctx->setActivationObject(customScope);
    QVERIFY(ctx->activationObject().strictlyEquals(customScope));
    QCOMPARE(ctx->scopeChain().size(), 2);
    QVERIFY(ctx->scopeChain().at(0).strictlyEquals(customScope));
    QEXPECT_FAIL("", "QTBUG-11012", Continue);
    QVERIFY(ctx->scopeChain().at(1).strictlyEquals(eng.globalObject()));

    QVERIFY(!eng.evaluate("baz = 456; var foo = 789; function barbar() {}").isError());
    QEXPECT_FAIL("", "QTBUG-11012", Continue);
    QVERIFY(eng.globalObject().property("baz").isNumber());
    QVERIFY(customScope.property("foo").isNumber());
    QVERIFY(customScope.property("barbar").isFunction());

    QVERIFY(ctx->popScope().strictlyEquals(customScope));
    QCOMPARE(ctx->scopeChain().size(), 1);
    QEXPECT_FAIL("", "QTBUG-11012", Continue);
    QVERIFY(ctx->scopeChain().at(0).strictlyEquals(eng.globalObject()));

    // Need to push another object, otherwise we crash in popContext() (QTBUG-11012)
    ctx->pushScope(customScope);
    eng.popContext();
}
开发者ID:kuailexs，项目名称:symbiandump-mw3，代码行数:43，代码来源:tst_qscriptcontext.cpp

示例6: handleRequest

bool HttpHandlerQtScriptFile::handleRequest(Pillow::HttpConnection *request)
{
	if (!_lastModified.isValid() || (_autoReload && QFileInfo(_fileName).lastModified() > _lastModified))
	{
		// Time to (re)load the script.
		qDebug() << "HttpHandlerQtScriptFile::handleRequest: (re)loading" << _fileName;
		QFile file(_fileName);
		if (!file.open(QIODevice::ReadOnly))
		{
			request->writeResponseString(500, HttpHeaderCollection(), QString("HttpHandlerQtScriptFile::handleRequest: Could not read file %1").arg(_fileName));
			return true;
		}

		QScriptEngine* engine = _scriptObject.engine();
		_scriptObject = engine->newObject();
		QScriptContext* context = engine->pushContext();
		context->setActivationObject(_scriptObject);
		context->setThisObject(_scriptObject);
		QScriptValue result = engine->evaluate(file.readAll(), _fileName);
		engine->popContext();

		if (result.isError())
		{
			request->writeResponseString(500, HttpHeaderCollection(), QString("HttpHandlerQtScriptFile::handleRequest: Error while evaluating script %1: %2").arg(_fileName).arg(objectToString(result)));
			return true;
		}

		QScriptValue scriptFunction = _scriptObject.property(_functionName);
		if (!scriptFunction.isFunction())
		{
			request->writeResponseString(500, HttpHeaderCollection(), QString("HttpHandlerQtScriptFile::handleRequest: Error while evaluating script %1: '%2' is not a function defined in the script").arg(_fileName).arg(_functionName));
			return true;
		}

		_lastModified = QFileInfo(_fileName).lastModified();
		setScriptFunction(scriptFunction);
	}

	return HttpHandlerQtScript::handleRequest(request);
}
开发者ID:K0n24d，项目名称:pillow，代码行数:40，代码来源:HttpHandlerQtScript.cpp

示例7: pushAndPopContext

void tst_QScriptContext::pushAndPopContext()
{
    QScriptEngine eng;
    QScriptContext *topLevel = eng.currentContext();
    QCOMPARE(topLevel->engine(), &eng);

    QScriptContext *ctx = eng.pushContext();
    QVERIFY(ctx != 0);
    QCOMPARE(ctx->parentContext(), topLevel);
    QCOMPARE(eng.currentContext(), ctx);
    QCOMPARE(ctx->engine(), &eng);
    QCOMPARE(ctx->state(), QScriptContext::NormalState);
    QCOMPARE(ctx->isCalledAsConstructor(), false);
    QCOMPARE(ctx->argumentCount(), 0);
    QCOMPARE(ctx->argument(0).isUndefined(), true);
    QVERIFY(!ctx->argument(-1).isValid());
    QCOMPARE(ctx->argumentsObject().isObject(), true);
    QCOMPARE(ctx->activationObject().isObject(), true);
    QCOMPARE(ctx->callee().isValid(), false);
    QCOMPARE(ctx->thisObject().strictlyEquals(eng.globalObject()), true);
    QCOMPARE(ctx->scopeChain().size(), 2);
    QVERIFY(ctx->scopeChain().at(0).equals(ctx->activationObject()));
    QVERIFY(ctx->scopeChain().at(1).equals(eng.globalObject()));

    QScriptContext *ctx2 = eng.pushContext();
    QCOMPARE(ctx2->parentContext(), ctx);
    QCOMPARE(eng.currentContext(), ctx2);

    eng.popContext();
    QCOMPARE(eng.currentContext(), ctx);
    eng.popContext();
    QCOMPARE(eng.currentContext(), topLevel);

    // popping the top-level context is not allowed
    QTest::ignoreMessage(QtWarningMsg, "QScriptEngine::popContext() doesn't match with pushContext()");
    eng.popContext();
    QCOMPARE(eng.currentContext(), topLevel);

    {
        QScriptContext *ctx3 = eng.pushContext();
        ctx3->activationObject().setProperty("foo", QScriptValue(&eng, 123));
        QVERIFY(eng.evaluate("foo").strictlyEquals(QScriptValue(&eng, 123)));
        eng.evaluate("var bar = 'ciao'");
        QVERIFY(ctx3->activationObject().property("bar", QScriptValue::ResolveLocal).strictlyEquals(QScriptValue(&eng, "ciao")));
        eng.popContext();
    }

    {
        QScriptContext *ctx4 = eng.pushContext();
        QScriptValue obj = eng.newObject();
        obj.setProperty("prop", QScriptValue(&eng, 456));
        ctx4->setThisObject(obj);
        QScriptValue ret = eng.evaluate("var tmp = this.prop; tmp + 1");
        QCOMPARE(eng.currentContext(), ctx4);
        QVERIFY(ret.strictlyEquals(QScriptValue(&eng, 457)));
        eng.popContext();
    }

    // throwing an exception
    {
        QScriptContext *ctx5 = eng.pushContext();
        QScriptValue ret = eng.evaluate("throw new Error('oops')");
        QVERIFY(ret.isError());
        QVERIFY(eng.hasUncaughtException());
        QCOMPARE(eng.currentContext(), ctx5);
        eng.popContext();
    }
}
开发者ID:kuailexs，项目名称:symbiandump-mw3，代码行数:68，代码来源:tst_qscriptcontext.cpp

示例8: Person_ctor

QScriptValue Person_ctor(QScriptContext *ctx, QScriptEngine *eng)
{
    QScriptValue object;
    if (ctx->isCalledAsConstructor()) {
        object = ctx->thisObject();
    } else {
        object = eng->newObject();
        object.setPrototype(ctx->callee().property("prototype"));
    }
    object.setProperty("name", ctx->argument(0));
    return object;
}
//! [76]

//! [77]
QScriptContext *ctx = eng.pushContext();
QScriptValue act = ctx->activationObject();
act.setProperty("digit", 7);

qDebug() << eng.evaluate("digit + 1").toNumber(); // 8

eng.popContext();
//! [77]

//! [78]
QScriptValue getSet(QScriptContext *ctx, QScriptEngine *eng)
{
    QScriptValue obj = ctx->thisObject();
    QScriptValue data = obj.data();
    if (!data.isValid()) {
        data = eng->newObject();
开发者ID:NikhilNJ，项目名称:screenplay-dx，代码行数:31，代码来源:doc_src_qtscript.cpp


注：本文中的QScriptEngine::pushContext方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。