osp_base/macros.h


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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef OSP_BASE_MACROS_H_
#define OSP_BASE_MACROS_H_

// Use this when declaring/defining noexcept move constructors, to work around a
// bug on older versions of g++.
//
// TODO(issues/40): Delete this macro once the g++ version is upgraded on the
// bots.
#ifndef MAYBE_NOEXCEPT
#if defined(__GNUC__) && __GNUC__ < 6
#define MAYBE_NOEXCEPT
#else
#define MAYBE_NOEXCEPT noexcept
#endif
#endif

#ifdef DISALLOW_COPY
#define OSP_DISALLOW_COPY DISALLOW_COPY
#else
#define OSP_DISALLOW_COPY(ClassName) ClassName(const ClassName&) = delete
#endif

#ifdef DISALLOW_ASSIGN
#define OSP_DISALLOW_ASSIGN DISALLOW_ASSIGN
#else
#define OSP_DISALLOW_ASSIGN(ClassName) \
  ClassName& operator=(const ClassName&) = delete
#endif

#ifdef DISALLOW_COPY_AND_ASSIGN
#define OSP_DISALLOW_COPY_AND_ASSIGN DISALLOW_COPY_AND_ASSIGN
#else
#define OSP_DISALLOW_COPY_AND_ASSIGN(ClassName) \
  OSP_DISALLOW_COPY(ClassName);                 \
  OSP_DISALLOW_ASSIGN(ClassName)
#endif

#ifdef DISALLOW_IMPLICIT_CONSTRUCTORS
#define OSP_DISALLOW_IMPLICIT_CONSTRUCTORS DISALLOW_IMPLICIT_CONSTRUCTORS
#else
#define OSP_DISALLOW_IMPLICIT_CONSTRUCTORS(ClassName) \
  ClassName() = delete;                               \
  OSP_DISALLOW_COPY_AND_ASSIGN(ClassName)
#endif

#ifdef NOINLINE
#define OSP_NOINLINE NOINLINE
#else
#define OSP_NOINLINE __attribute__((noinline))
#endif

#endif  // OSP_BASE_MACROS_H_