Function print_memory_chunk_list

deps/v8/tools/windbg.js:542–561

(space_type, front, top, age_mark)

const NEVER_EVACUATE = 1 << 7; // see src\heap\spaces.h

function print_memory_chunk_list(space_type, front, top, age_mark) {
  let alloc_pos = top ? ` (allocating at: ${top})` : "";
  let age_mark_pos = age_mark ? ` (age_mark at: ${top})` : "";
  print(`${space_type}${alloc_pos}${age_mark_pos}:`);
  if (front.isNull) {
    print("<empty>\n");
    return;
  }

  let cur = front;
  while (!cur.isNull) {
    let imm = cur.flags_ & NEVER_EVACUATE ? "*" : " ";
    let addr = hex(cur.address);
    let area = `${hex(cur.area_start_)} - ${hex(cur.area_end_)}`;
    let dt = `dt ${addr} ${module_name()}!v8::internal::MemoryChunk`;
    print(`${imm}    ${addr}:\t ${area} (${hex(cur.size_)}) : ${dt}`);
    cur = cur.list_node_.next_;
  }
  print("");
}

const space_tags =
  ['old', 'new_to', 'new_from', 'ro', 'map', 'code', 'lo', 'nlo'];