Method newFunction

valdi/src/valdi/jscore/JavaScriptCoreContext.cpp:340–359

    if constexpr (!snap::kIsAppstoreBuild || !snap::isIos()) {
        // JSGetMemoryUsageStatistics() is currently a private symbol, so we use it
        // only on Android/Desktop or non production iOS.

        if (JSGetMemoryUsageStatistics) {
            auto memoryUsageJs = JSGetMemoryUsageStatistics(_globalContext);

            if (!memoryUsageJs) {
                return out;
            }

            Valdi::JSExceptionTracker exceptionTracker(*this);
            auto memoryUsage = Valdi::jsValueToValue(
                *this,
                toValdiJSValue(JSCoreRef(memoryUsageJs, JSValueGetType(_globalContext, memoryUsageJs))),
                Valdi::ReferenceInfoBuilder(),
                exceptionTracker);

            exceptionTracker.clearError();

            out.memoryUsageBytes = static_cast<size_t>(memoryUsage.getMapValue("heapCapacity").toLong());
            out.objectsCount = static_cast<size_t>(memoryUsage.getMapValue("objectCount").toLong());
        }
    }