/*! Enters a new execution context and returns the associated QScriptContext object. Once you are done with the context, you should call popContext() to restore the old context. By default, the `this' object of the new context is the Global Object. The context's \l{QScriptContext::callee()}{callee}() will be invalid. Unlike pushContext(), the default scope chain is reset to include only the global object and the QScriptContext's activation object. \sa QScriptEngine::popContext() */ QScriptContext * QScriptDeclarativeClass::pushCleanContext(QScriptEngine *engine) { if (!engine) return 0; QScriptEnginePrivate *d = QScriptEnginePrivate::get(engine); JSC::CallFrame* newFrame = d->pushContext(d->currentFrame, d->currentFrame->globalData().dynamicGlobalObject, JSC::ArgList(), /*callee = */0, false, true); if (engine->agent()) engine->agent()->contextPush(); return d->contextForFrame(newFrame); }