C++ (Cpp) mozilla::BitwiseCast 예제들

예제 #1

파일: WasmInstance.cpp 프로젝트: cstipkovic/gecko-dev

static bool
ReadCustomDoubleNaNObject(JSContext* cx, HandleValue v, double* ret)
{
    RootedObject obj(cx, &v.toObject());
    RootedValue val(cx);

    uint64_t u64;

    int32_t i32;
    if (!JS_GetProperty(cx, obj, "nan_high", &val))
        return false;
    if (!ToInt32(cx, val, &i32))
        return false;
    u64 = uint32_t(i32);
    u64 <<= 32;

    if (!JS_GetProperty(cx, obj, "nan_low", &val))
        return false;
    if (!ToInt32(cx, val, &i32))
        return false;
    u64 |= uint32_t(i32);

    BitwiseCast(u64, ret);
    return true;
}

예제 #2

파일: WasmInstance.cpp 프로젝트: cstipkovic/gecko-dev

static bool
ReadCustomFloat32NaNObject(JSContext* cx, HandleValue v, float* ret)
{
    RootedObject obj(cx, &v.toObject());
    RootedValue val(cx);

    int32_t i32;
    if (!JS_GetProperty(cx, obj, "nan_low", &val))
        return false;
    if (!ToInt32(cx, val, &i32))
        return false;

    BitwiseCast(i32, ret);
    return true;
}