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_PROFILER_HEAP_SNAPSHOT_GENERATOR_INL_H_
6#define V8_PROFILER_HEAP_SNAPSHOT_GENERATOR_INL_H_
7
8#include "src/profiler/heap-snapshot-generator.h"
9
10namespace v8 {
11namespace internal {
12
13
14HeapEntry* HeapGraphEdge::from() const {
15  return &snapshot()->entries()[from_index()];
16}
17
18
19Isolate* HeapGraphEdge::isolate() const {
20  return snapshot()->profiler()->isolate();
21}
22
23
24HeapSnapshot* HeapGraphEdge::snapshot() const {
25  return to_entry_->snapshot();
26}
27
28
29int HeapEntry::index() const {
30  return static_cast<int>(this - &snapshot_->entries().first());
31}
32
33
34int HeapEntry::set_children_index(int index) {
35  children_index_ = index;
36  int next_index = index + children_count_;
37  children_count_ = 0;
38  return next_index;
39}
40
41
42HeapGraphEdge** HeapEntry::children_arr() {
43  DCHECK(children_index_ >= 0);
44  SLOW_DCHECK(children_index_ < snapshot_->children().length() ||
45      (children_index_ == snapshot_->children().length() &&
46       children_count_ == 0));
47  return &snapshot_->children().first() + children_index_;
48}
49
50
51Isolate* HeapEntry::isolate() const { return snapshot_->profiler()->isolate(); }
52
53}  // namespace internal
54}  // namespace v8
55
56#endif  // V8_PROFILER_HEAP_SNAPSHOT_GENERATOR_INL_H_
57