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());
}
}
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;
}
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);
}
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();
}
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();
}
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);
}
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();
}
}
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();
