C++ (Cpp) queue_prev_byte示例

示例#1

文件： runtime.c 项目： chris1201/hyperscan

static never_inline
void soleOutfixStreamExec(struct hs_stream *stream_state,
                          struct hs_scratch *scratch) {
    assert(stream_state);
    assert(scratch);

    const struct RoseEngine *t = stream_state->rose;
    assert(t->outfixEndQueue == 1);
    assert(!t->amatcherOffset);
    assert(!t->ematcherOffset);
    assert(!t->fmatcherOffset);

    const struct NFA *nfa = getNfaByQueue(t, 0);

    struct mq *q = scratch->queues;
    initQueue(q, 0, t, scratch);
    if (!scratch->core_info.buf_offset) {
        nfaQueueInitState(nfa, q);
        pushQueueAt(q, 0, MQE_START, 0);
        pushQueueAt(q, 1, MQE_TOP, 0);
        pushQueueAt(q, 2, MQE_END, scratch->core_info.len);
    } else {
        nfaExpandState(nfa, q->state, q->streamState, q->offset,
                       queue_prev_byte(q, 0));
        pushQueueAt(q, 0, MQE_START, 0);
        pushQueueAt(q, 1, MQE_END, scratch->core_info.len);
    }

    if (nfaQueueExec(q->nfa, q, scratch->core_info.len)) {
        nfaQueueCompressState(nfa, q, scratch->core_info.len);
    } else if (!told_to_stop_matching(scratch)) {
        scratch->core_info.broken = BROKEN_EXHAUSTED;
    }
}

示例#2

文件： runtime.c 项目： 210230/hyperscan

static never_inline
void soleOutfixEodExec(hs_stream_t *id, hs_scratch_t *scratch) {
    const struct RoseEngine *t = id->rose;

    if (can_stop_matching(scratch)) {
        DEBUG_PRINTF("stream already broken\n");
        return;
    }

    if (isAllExhausted(t, scratch->core_info.exhaustionVector)) {
        DEBUG_PRINTF("stream exhausted\n");
        return;
    }

    assert(t->outfixEndQueue == 1);
    assert(!t->amatcherOffset);
    assert(!t->ematcherOffset);
    assert(!t->fmatcherOffset);

    const struct NFA *nfa = getNfaByQueue(t, 0);

    struct mq *q = scratch->queues;
    initOutfixQueue(q, 0, t, scratch);
    if (!scratch->core_info.buf_offset) {
        DEBUG_PRINTF("buf_offset is zero\n");
        return; /* no vacuous engines */
    }

    nfaExpandState(nfa, q->state, q->streamState, q->offset,
                   queue_prev_byte(q, 0));

    assert(nfaAcceptsEod(nfa));
    nfaCheckFinalState(nfa, q->state, q->streamState, q->offset, q->cb,
                       q->som_cb, scratch);
}