本文整理汇总了C++中QScriptContext::argumentsObject方法的典型用法代码示例。如果您正苦于以下问题:C++ QScriptContext::argumentsObject方法的具体用法?C++ QScriptContext::argumentsObject怎么用?C++ QScriptContext::argumentsObject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QScriptContext
的用法示例。
在下文中一共展示了QScriptContext::argumentsObject方法的3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: callWith
QScriptValue ScriptFunctionWrapper::callWith(const QScriptValue &val) {
//qDebug() << "Call called" << d->name;
QScriptEngine *eng = val.engine();
if (!eng) {
qDebug() << "We cannot access the script-engine, fail!";
return QScriptValue();
}
QScriptContext *ctx = eng->currentContext();
return d->object.property(d->name).call(QScriptValue(), ctx->argumentsObject());
}
示例2: extension
QVariant TestClass::extension(Extension extension,
const QVariant &argument)
{
m_lastExtensionType = extension;
m_lastExtensionArgument = argument;
if (extension == Callable) {
Q_ASSERT(m_callableMode != NotCallable);
QScriptContext *ctx = qvariant_cast<QScriptContext*>(argument);
if (m_callableMode == CallableReturnsSum) {
qsreal sum = 0;
for (int i = 0; i < ctx->argumentCount(); ++i)
sum += ctx->argument(i).toNumber();
QScriptValueIterator it(ctx->callee());
while (it.hasNext()) {
it.next();
sum += it.value().toNumber();
}
return sum;
} else if (m_callableMode == CallableReturnsArgument) {
return qVariantFromValue(ctx->argument(0));
} else if (m_callableMode == CallableReturnsInvalidVariant) {
return QVariant();
} else if (m_callableMode == CallableReturnsGlobalObject) {
return qVariantFromValue(engine()->globalObject());
} else if (m_callableMode == CallableReturnsThisObject) {
return qVariantFromValue(ctx->thisObject());
} else if (m_callableMode == CallableReturnsCallee) {
return qVariantFromValue(ctx->callee());
} else if (m_callableMode == CallableReturnsArgumentsObject) {
return qVariantFromValue(ctx->argumentsObject());
} else if (m_callableMode == CallableInitializesThisObject) {
engine()->newQObject(ctx->thisObject(), engine());
return QVariant();
}
} else if (extension == HasInstance) {
Q_ASSERT(m_hasInstance);
QScriptValueList args = qvariant_cast<QScriptValueList>(argument);
QScriptValue obj = args.at(0);
QScriptValue value = args.at(1);
return value.property("foo").equals(obj.property("foo"));
}
return QVariant();
}
示例3: 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();
}
}