Ejemplo n.º 1
0
void
srl_iterator_next(pTHX_ srl_iterator_t *iter, UV n)
{
    IV expected_depth = iter->stack.depth;
    srl_iterator_stack_ptr stack_ptr = iter->stack.ptr;

    DEBUG_ASSERT_RDR_SANE(iter->pbuf);
    SRL_ITER_ASSERT_STACK(iter);

    SRL_ITER_TRACE("n=%"UVuf, n);
    SRL_ITER_REPORT_STACK_STATE(iter);

    if (expect_false(n == 0)) return;

    while (1) {
        srl_iterator_wrap_stack(iter, expected_depth, stack_ptr);

        if (iter->stack.depth == expected_depth) {
            if (n == 0) break;
            else n--;
        }

        srl_iterator_step_internal(iter, stack_ptr);
    }

    if (expect_false(n != 0)) {
        SRL_ITER_ERRORf1("Failed to do %"UVuf" next steps. Likely EOF was reached", n);
    }

    if (expect_false(iter->stack.depth != expected_depth)) {
        SRL_ITER_ERRORf2("next() led to wrong stack depth, expected=%"IVdf", actual=%"IVdf,
                          expected_depth, iter->stack.depth);
    }

    SRL_ITER_TRACE("Did expected number of steps at depth %"IVdf, expected_depth);
    DEBUG_ASSERT_RDR_SANE(iter->pbuf);
}
Ejemplo n.º 2
0
void
srl_iterator_next(pTHX_ srl_iterator_t *iter, UV n)
{
    srl_stack_t *stack = iter->stack;
    IV expected_depth = SRL_STACK_DEPTH(stack);

    DEBUG_ASSERT_RDR_SANE(iter->pbuf);
    SRL_ITER_TRACE("n=%"UVuf, n);

    SRL_ITER_ASSERT_STACK(iter);
    if (expect_false(n == 0)) return;
    if (expect_false(stack->ptr->idx == 0))
        SRL_ITER_ERROR("Nothing to parse at this depth");

    while (expect_true(!srl_stack_empty(stack))) {
        if (SRL_STACK_DEPTH(stack) == expected_depth) {
            if (n == 0) break;
            else n--;
        }

        srl_iterator_step_internal(aTHX_ iter);
        srl_iterator_wrap_stack(aTHX_ iter, expected_depth);
    }

    if (expect_false(n != 0)) {
        SRL_ITER_ERRORf1("Failed to do %"UVuf" next steps. Likely EOF was reached", n);
    }

    if (expect_false(SRL_STACK_DEPTH(stack) != expected_depth)) {
        SRL_ITER_ERRORf2("next() led to wrong stack depth, expected=%"IVdf", actual=%"IVdf,
                          expected_depth, SRL_STACK_DEPTH(stack));
    }

    SRL_ITER_TRACE("Did expected number of steps at depth %"IVdf, expected_depth);
    DEBUG_ASSERT_RDR_SANE(iter->pbuf);
}
Ejemplo n.º 3
0
void
srl_iterator_step_in(pTHX_ srl_iterator_t *iter, UV n)
{
    srl_stack_t *stack = iter->stack;

    DEBUG_ASSERT_RDR_SANE(iter->pbuf);
    SRL_ITER_TRACE("n=%"UVuf, n);

    SRL_ITER_ASSERT_STACK(iter);
    if (expect_false(n == 0)) return;

    while (expect_true(!srl_stack_empty(stack))) {
        if (n == 0) break;
        srl_iterator_step_internal(aTHX_ iter);
        n--;
    }

    if (expect_false(n != 0)) {
        SRL_ITER_ERRORf1("Failed to do %"UVuf" steps. Likely EOF was reached", n);
    }

    SRL_ITER_TRACE("Did expected number of steps");
    DEBUG_ASSERT_RDR_SANE(iter->pbuf);
}