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); }
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); }
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); }