xref: /third_party/node/deps/v8/src/utils/version.h (revision 1cb0ef41) 
1// Copyright 2009 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_UTILS_VERSION_H_
6#define V8_UTILS_VERSION_H_
7
8#include <cstdint>
9
10#include "src/base/functional.h"
11
12namespace v8 {
13
14namespace base {
15template <typename T>
16class Vector;
17}  // namespace base
18
19namespace internal {
20
21class V8_EXPORT Version {
22 public:
23  // Return the various version components.
24  static int GetMajor() { return major_; }
25  static int GetMinor() { return minor_; }
26  static int GetBuild() { return build_; }
27  static int GetPatch() { return patch_; }
28  static const char* GetEmbedder() { return embedder_; }
29  static bool IsCandidate() { return candidate_; }
30  static uint32_t Hash() {
31    return static_cast<uint32_t>(
32        base::hash_combine(major_, minor_, build_, patch_));
33  }
34
35  // Calculate the V8 version string.
36  static void GetString(base::Vector<char> str);
37
38  // Calculate the SONAME for the V8 shared library.
39  static void GetSONAME(base::Vector<char> str);
40
41  static const char* GetVersion() { return version_string_; }
42
43 private:
44  // NOTE: can't make these really const because of test-version.cc.
45  static int major_;
46  static int minor_;
47  static int build_;
48  static int patch_;
49  static const char* embedder_;
50  static bool candidate_;
51  static const char* soname_;
52  static const char* version_string_;
53
54  // In test-version.cc.
55  friend void SetVersion(int major, int minor, int build, int patch,
56                         const char* embedder, bool candidate,
57                         const char* soname);
58};
59
60}  // namespace internal
61}  // namespace v8
62
63#endif  // V8_UTILS_VERSION_H_
64