static inline TSNode ts_node__next_sibling()

in lib/src/node.c [246:295]

• 45 lines of code
• 13 McCabe index (conditional complexity)

static inline TSNode ts_node__next_sibling(TSNode self, bool include_anonymous) {
  uint32_t target_end_byte = ts_node_end_byte(self);

  TSNode node = ts_node_parent(self);
  TSNode later_node = ts_node__null();
  bool later_node_is_relevant = false;

  while (!ts_node_is_null(node)) {
    TSNode later_child = ts_node__null();
    bool later_child_is_relevant = false;
    TSNode child_containing_target = ts_node__null();

    TSNode child;
    NodeChildIterator iterator = ts_node_iterate_children(&node);
    while (ts_node_child_iterator_next(&iterator, &child)) {
      if (iterator.position.bytes < target_end_byte) continue;
      if (ts_node_start_byte(child) <= ts_node_start_byte(self)) {
        if (ts_node__subtree(child).ptr != ts_node__subtree(self).ptr) {
          child_containing_target = child;
        }
      } else if (ts_node__is_relevant(child, include_anonymous)) {
        later_child = child;
        later_child_is_relevant = true;
        break;
      } else if (ts_node__relevant_child_count(child, include_anonymous) > 0) {
        later_child = child;
        later_child_is_relevant = false;
        break;
      }
    }

    if (!ts_node_is_null(child_containing_target)) {
      if (!ts_node_is_null(later_child)) {
        later_node = later_child;
        later_node_is_relevant = later_child_is_relevant;
      }
      node = child_containing_target;
    } else if (later_child_is_relevant) {
      return later_child;
    } else if (!ts_node_is_null(later_child)) {
      node = later_child;
    } else if (later_node_is_relevant) {
      return later_node;
    } else {
      node = later_node;
    }
  }

  return ts_node__null();
}