1// Copyright 2013 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef V8_HEAP_SNAPSHOT_GENERATOR_INL_H_
6#define V8_HEAP_SNAPSHOT_GENERATOR_INL_H_
7
8#include "src/heap-snapshot-generator.h"
9
10namespace v8 {
11namespace internal {
12
13
14HeapEntry* HeapGraphEdge::from() const {
15  return &snapshot()->entries()[from_index_];
16}
17
18
19HeapSnapshot* HeapGraphEdge::snapshot() const {
20  return to_entry_->snapshot();
21}
22
23
24int HeapEntry::index() const {
25  return static_cast<int>(this - &snapshot_->entries().first());
26}
27
28
29int HeapEntry::set_children_index(int index) {
30  children_index_ = index;
31  int next_index = index + children_count_;
32  children_count_ = 0;
33  return next_index;
34}
35
36
37HeapGraphEdge** HeapEntry::children_arr() {
38  DCHECK(children_index_ >= 0);
39  SLOW_DCHECK(children_index_ < snapshot_->children().length() ||
40      (children_index_ == snapshot_->children().length() &&
41       children_count_ == 0));
42  return &snapshot_->children().first() + children_index_;
43}
44
45
46} }  // namespace v8::internal
47
48#endif  // V8_HEAP_SNAPSHOT_GENERATOR_INL_H_
49