本文整理汇总了C++中QScriptContext::popScope方法的典型用法代码示例。如果您正苦于以下问题：C++ QScriptContext::popScope方法的具体用法？C++ QScriptContext::popScope怎么用？C++ QScriptContext::popScope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::popScope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: doStart
void doStart(const JavaScriptCommand *cmd, Transformer *transformer)
{
m_result.success = true;
m_result.errorMessage.clear();
ScriptEngine * const scriptEngine = provideScriptEngine();
QScriptValue scope = scriptEngine->newObject();
PrepareScriptObserver observer(scriptEngine);
setupScriptEngineForFile(scriptEngine, transformer->rule->prepareScript->fileContext, scope);
setupScriptEngineForProduct(scriptEngine, transformer->product(), transformer->rule->module, scope,
&observer);
transformer->setupInputs(scope);
transformer->setupOutputs(scriptEngine, scope);
for (QVariantMap::const_iterator it = cmd->properties().constBegin();
it != cmd->properties().constEnd(); ++it) {
scope.setProperty(it.key(), scriptEngine->toScriptValue(it.value()));
}
QScriptContext *ctx = scriptEngine->currentContext();
ctx->pushScope(scope);
scriptEngine->evaluate(cmd->sourceCode());
ctx->popScope();
transformer->propertiesRequestedInCommands
+= scriptEngine->propertiesRequestedInScript();
scriptEngine->clearRequestedProperties();
if (scriptEngine->hasUncaughtException()) {
// ### We don't know the line number of the command's sourceCode property assignment.
setError(scriptEngine->uncaughtException().toString(), cmd->codeLocation());
}
}示例2: 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();
}示例3: pushAndPopScope
void tst_QScriptContext::pushAndPopScope()
{
QScriptEngine eng;
QScriptContext *ctx = eng.currentContext();
QCOMPARE(ctx->scopeChain().size(), 1);
QVERIFY(ctx->scopeChain().at(0).strictlyEquals(eng.globalObject()));
QVERIFY(ctx->popScope().strictlyEquals(eng.globalObject()));
ctx->pushScope(eng.globalObject());
QCOMPARE(ctx->scopeChain().size(), 1);
QVERIFY(ctx->scopeChain().at(0).strictlyEquals(eng.globalObject()));
QScriptValue obj = eng.newObject();
ctx->pushScope(obj);
QCOMPARE(ctx->scopeChain().size(), 2);
QVERIFY(ctx->scopeChain().at(0).strictlyEquals(obj));
QVERIFY(ctx->scopeChain().at(1).strictlyEquals(eng.globalObject()));
QVERIFY(ctx->popScope().strictlyEquals(obj));
QCOMPARE(ctx->scopeChain().size(), 1);
QVERIFY(ctx->scopeChain().at(0).strictlyEquals(eng.globalObject()));
{
QScriptValue ret = eng.evaluate("x");
QVERIFY(ret.isError());
eng.clearExceptions();
}
QCOMPARE(ctx->scopeChain().size(), 1);
QVERIFY(ctx->scopeChain().at(0).strictlyEquals(eng.globalObject()));
// task 236685
QScriptValue qobj = eng.newQObject(this, QScriptEngine::QtOwnership, QScriptEngine::AutoCreateDynamicProperties);
ctx->pushScope(qobj);
QCOMPARE(ctx->scopeChain().size(), 2);
QVERIFY(ctx->scopeChain().at(0).strictlyEquals(qobj));
QVERIFY(ctx->scopeChain().at(1).strictlyEquals(eng.globalObject()));
{
QScriptValue ret = eng.evaluate("print");
QVERIFY(ret.isFunction());
}
ctx->popScope();
ctx->pushScope(obj);
QCOMPARE(ctx->scopeChain().size(), 2);
QVERIFY(ctx->scopeChain().at(0).strictlyEquals(obj));
obj.setProperty("x", 123);
{
QScriptValue ret = eng.evaluate("x");
QVERIFY(ret.isNumber());
QCOMPARE(ret.toInt32(), 123);
}
QVERIFY(ctx->popScope().strictlyEquals(obj));
QCOMPARE(ctx->scopeChain().size(), 1);
QVERIFY(ctx->scopeChain().at(0).strictlyEquals(eng.globalObject()));
ctx->pushScope(QScriptValue());
QCOMPARE(ctx->scopeChain().size(), 1);
QVERIFY(ctx->popScope().strictlyEquals(eng.globalObject()));
QVERIFY(ctx->scopeChain().isEmpty());
// Used to work with old back-end, doesn't with new one because JSC requires that the last object in
// a scope chain is the Global Object.
QTest::ignoreMessage(QtWarningMsg, "QScriptContext::pushScope() failed: initial object in scope chain has to be the Global Object");
ctx->pushScope(obj);
QCOMPARE(ctx->scopeChain().size(), 0);
QScriptEngine eng2;
QScriptValue obj2 = eng2.newObject();
QTest::ignoreMessage(QtWarningMsg, "QScriptContext::pushScope() failed: cannot push an object created in a different engine");
ctx->pushScope(obj2);
QVERIFY(ctx->scopeChain().isEmpty());
QVERIFY(!ctx->popScope().isValid());
}