Ejemplos de AsmJSModule::heapLengthMask en C++ (Cpp)

Ejemplo n.º 1

Archivo: AsmJSLink.cpp Proyecto: stspyder/mozjs

static bool
ChangeHeap(JSContext *cx, AsmJSModule &module, CallArgs args)
{
    HandleValue bufferArg = args.get(0);
    if (!IsArrayBuffer(bufferArg)) {
        ReportIncompatible(cx, args);
        return false;
    }

    Rooted<ArrayBufferObject*> newBuffer(cx, &bufferArg.toObject().as<ArrayBufferObject>());
    uint32_t heapLength = newBuffer->byteLength();
    if (heapLength & module.heapLengthMask() ||
            heapLength < module.minHeapLength() ||
            heapLength > module.maxHeapLength())
    {
        args.rval().set(BooleanValue(false));
        return true;
    }

    if (!module.hasArrayView()) {
        args.rval().set(BooleanValue(true));
        return true;
    }

    MOZ_ASSERT(IsValidAsmJSHeapLength(heapLength));
    MOZ_ASSERT(!IsDeprecatedAsmJSHeapLength(heapLength));

    if (!ArrayBufferObject::prepareForAsmJS(cx, newBuffer, module.usesSignalHandlersForOOB()))
        return false;

    args.rval().set(BooleanValue(module.changeHeap(newBuffer, cx)));
    return true;
}