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 * Copyright (c) 2015-2017, Intel Corporation
 * Copyright (c) 2021, Arm Limited
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/**
 * \file
 * \brief Large Bounded Repeat (LBR) engine build code for SVE.
 */

static
bytecode_ptr<NFA> buildLbrVerm16(const CharReach &cr, const depth &repeatMin,
                                 const depth &repeatMax, u32 minPeriod,
                                 bool is_reset, ReportID report) {
    const CharReach escapes(~cr);

    if (escapes.count() > 16) {
        return nullptr;
    }

    enum RepeatType rtype = chooseRepeatType(repeatMin, repeatMax, minPeriod,
                                             is_reset);
    auto nfa = makeLbrNfa<lbr_verm16>(LBR_NFA_VERM16, rtype, repeatMax);
    struct lbr_verm16 *lv = (struct lbr_verm16 *)getMutableImplNfa(nfa.get());
    vermicelli16Build(escapes, (u8 *)&lv->mask);

    fillNfa<lbr_verm16>(nfa.get(), &lv->common, report, repeatMin, repeatMax,
                        minPeriod, rtype);

    DEBUG_PRINTF("built verm16 lbr\n");
    return nfa;
}

static
bytecode_ptr<NFA> buildLbrNVerm16(const CharReach &cr, const depth &repeatMin,
                                  const depth &repeatMax, u32 minPeriod,
                                  bool is_reset, ReportID report) {
    const CharReach escapes(cr);

    if (escapes.count() > 16) {
        return nullptr;
    }

    enum RepeatType rtype = chooseRepeatType(repeatMin, repeatMax, minPeriod,
                                             is_reset);
    auto nfa = makeLbrNfa<lbr_verm16>(LBR_NFA_NVERM16, rtype, repeatMax);
    struct lbr_verm16 *lv = (struct lbr_verm16 *)getMutableImplNfa(nfa.get());
    vermicelli16Build(escapes, (u8 *)&lv->mask);

    fillNfa<lbr_verm16>(nfa.get(), &lv->common, report, repeatMin, repeatMax,
                        minPeriod, rtype);

    DEBUG_PRINTF("built negated verm16 lbr\n");
    return nfa;
}