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C++ QScriptValueList::takeLast方法代码示例

本文整理汇总了C++中QScriptValueList::takeLast方法的典型用法代码示例。如果您正苦于以下问题:C++ QScriptValueList::takeLast方法的具体用法?C++ QScriptValueList::takeLast怎么用?C++ QScriptValueList::takeLast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QScriptValueList的用法示例。


在下文中一共展示了QScriptValueList::takeLast方法的1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: doPendingEvaluate

/*!
  Executes the pending evaluate, if any.
*/
void QScriptDebuggerBackend::doPendingEvaluate(bool postEvent)
{
    Q_D(QScriptDebuggerBackend);
    QString program = d->pendingEvaluateProgram;
    if (program.isEmpty())
        return;
    int contextIndex = d->pendingEvaluateContextIndex;
    QScriptContext *ctx = context(contextIndex);
    Q_ASSERT(ctx != 0);
    QString fileName = d->pendingEvaluateFileName;
    int lineNumber = d->pendingEvaluateLineNumber;
    d->pendingEvaluateProgram = QString();
    d->pendingEvaluateFileName = QString();
    d->pendingEvaluateLineNumber = -1;
    d->pendingEvaluateContextIndex = -1;

    // push a new context and initialize its scope chain etc.
    {
        QScriptContext *evalContext = engine()->pushContext();
        QScriptValueList scopeChain = ctx->scopeChain();
        if (scopeChain.isEmpty())
            scopeChain.append(engine()->globalObject());
        while (!scopeChain.isEmpty())
            evalContext->pushScope(scopeChain.takeLast());
        evalContext->setActivationObject(ctx->activationObject());
        evalContext->setThisObject(ctx->thisObject());
    }

    d->agent->enterContinueMode();
    // set a flag so that any exception that happens in
    // the evaluate() is not sent to the debugger
    d->ignoreExceptions = true;
    bool hadException = engine()->hasUncaughtException();
    QScriptValue ret = engine()->evaluate(program, fileName, lineNumber);
    d->ignoreExceptions = false;
    if (!hadException && engine()->hasUncaughtException())
        engine()->clearExceptions();
    engine()->popContext();

    QScriptDebuggerValue retret(ret);
    QScriptDebuggerEvent e(QScriptDebuggerEvent::InlineEvalFinished);
    e.setScriptValue(retret);
    if (!ret.isUndefined())
        e.setMessage(ret.toString()); // for convenience -- we always need it

    e.setNestedEvaluate(engine()->isEvaluating());

    if (postEvent) {
        QScriptDebuggerEventEvent *de = new QScriptDebuggerEventEvent(e);
        d->postEvent(de);
    } else {
        event(e);
    }
}
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