1// Copyright 2020 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#include "src/heap/cppgc/heap-space.h"
6
7#include <algorithm>
8
9#include "src/base/logging.h"
10#include "src/base/platform/mutex.h"
11#include "src/heap/cppgc/heap-page.h"
12#include "src/heap/cppgc/object-start-bitmap.h"
13
14namespace cppgc {
15namespace internal {
16
17BaseSpace::BaseSpace(RawHeap* heap, size_t index, PageType type,
18                     bool is_compactable)
19    : heap_(heap), index_(index), type_(type), is_compactable_(is_compactable) {
20  USE(is_compactable_);
21}
22
23BaseSpace::~BaseSpace() = default;
24
25void BaseSpace::AddPage(BasePage* page) {
26  v8::base::LockGuard<v8::base::Mutex> lock(&pages_mutex_);
27  DCHECK_EQ(pages_.cend(), std::find(pages_.cbegin(), pages_.cend(), page));
28  pages_.push_back(page);
29}
30
31void BaseSpace::RemovePage(BasePage* page) {
32  v8::base::LockGuard<v8::base::Mutex> lock(&pages_mutex_);
33  auto it = std::find(pages_.cbegin(), pages_.cend(), page);
34  DCHECK_NE(pages_.cend(), it);
35  pages_.erase(it);
36}
37
38BaseSpace::Pages BaseSpace::RemoveAllPages() {
39  Pages pages = std::move(pages_);
40  pages_.clear();
41  return pages;
42}
43
44NormalPageSpace::NormalPageSpace(RawHeap* heap, size_t index,
45                                 bool is_compactable)
46    : BaseSpace(heap, index, PageType::kNormal, is_compactable) {}
47
48LargePageSpace::LargePageSpace(RawHeap* heap, size_t index)
49    : BaseSpace(heap, index, PageType::kLarge, false /* is_compactable */) {}
50
51}  // namespace internal
52}  // namespace cppgc
53