// Copyright 2017 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 CHROME_BROWSER_UI_WEBUI_DOWNLOAD_INTERNALS_DOWNLOAD_INTERNALS_UI_H_
#define CHROME_BROWSER_UI_WEBUI_DOWNLOAD_INTERNALS_DOWNLOAD_INTERNALS_UI_H_#include "base/macros.h"
#include "content/public/browser/web_ui_controller.h"// The WebUI for chrome://download-internals.
class DownloadInternalsUI : public content::WebUIController {public:explicit DownloadInternalsUI(content::WebUI* web_ui);~DownloadInternalsUI() override;private:DISALLOW_COPY_AND_ASSIGN(DownloadInternalsUI);
};#endif // CHROME_BROWSER_UI_WEBUI_DOWNLOAD_INTERNALS_DOWNLOAD_INTERNALS_UI_H_
Z:\chromium\src\base\macros.h
DISALLOW_COPY_AND_ASSIGN 宏定义在"base/macros.h"中
// Copyright 2014 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.// This file contains macros and macro-like constructs (e.g., templates) that
// are commonly used throughout Chromium source. (It may also contain things
// that are closely related to things that are commonly used that belong in this
// file.)#ifndef BASE_MACROS_H_
#define BASE_MACROS_H_#include <stddef.h> // For size_t.// Distinguish mips32.
#if defined(__mips__) && (_MIPS_SIM == _ABIO32) && !defined(__mips32__)
#define __mips32__
#endif// Distinguish mips64.
#if defined(__mips__) && (_MIPS_SIM == _ABI64) && !defined(__mips64__)
#define __mips64__
#endif// Put this in the declarations for a class to be uncopyable.
#define DISALLOW_COPY(TypeName) \TypeName(const TypeName&) = delete// Put this in the declarations for a class to be unassignable.
#define DISALLOW_ASSIGN(TypeName) TypeName& operator=(const TypeName&) = delete// Put this in the declarations for a class to be uncopyable and unassignable.
#define DISALLOW_COPY_AND_ASSIGN(TypeName) \DISALLOW_COPY(TypeName); \DISALLOW_ASSIGN(TypeName)// A macro to disallow all the implicit constructors, namely the
// default constructor, copy constructor and operator= functions.
// This is especially useful for classes containing only static methods.
#define DISALLOW_IMPLICIT_CONSTRUCTORS(TypeName) \TypeName() = delete; \DISALLOW_COPY_AND_ASSIGN(TypeName)// The arraysize(arr) macro returns the # of elements in an array arr. The
// expression is a compile-time constant, and therefore can be used in defining
// new arrays, for example. If you use arraysize on a pointer by mistake, you
// will get a compile-time error. For the technical details, refer to
// .aspx.// This template function declaration is used in defining arraysize.
// Note that the function doesn't need an implementation, as we only
// use its type.
//
// DEPRECATED, please use base::size(array) instead.
// TODO(): Replace existing arraysize usages.
template <typename T, size_t N> char (&ArraySizeHelper(T (&array)[N]))[N];
#define arraysize(array) (sizeof(ArraySizeHelper(array)))// Used to explicitly mark the return value of a function as unused. If you are
// really sure you don't want to do anything with the return value of a function
// that has been marked WARN_UNUSED_RESULT, wrap it with this. Example:
//
// std::unique_ptr<MyType> my_var = ...;
// if (TakeOwnership(my_var.get()) == SUCCESS)
// ignore_result(my_var.release());
//
template<typename T>
inline void ignore_result(const T&) {
}namespace base {// Use these to declare and define a static local variable (static T;) so that
// it is leaked so that its destructors are not called at exit. This is
// thread-safe.
//
// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! DEPRECATED !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
// Please don't use this macro. Use a function-local static of type
// base::NoDestructor<T> instead:
//
// Factory& Factory::GetInstance() {
// static base::NoDestructor<Factory> instance;
// return *instance;
// }
// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
#define CR_DEFINE_STATIC_LOCAL(type, name, arguments) \static type& name = *new type arguments// Workaround for MSVC, which expands __VA_ARGS__ as one macro argument. To
// work around this bug, wrap the entire expression in this macro...
#define CR_EXPAND_ARG(arg) arg} // base#endif // BASE_MACROS_H_
// Copyright 2017 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 CHROME_BROWSER_UI_WEBUI_DOWNLOAD_INTERNALS_DOWNLOAD_INTERNALS_UI_H_
#define CHROME_BROWSER_UI_WEBUI_DOWNLOAD_INTERNALS_DOWNLOAD_INTERNALS_UI_H_#include "base/macros.h"
#include "content/public/browser/web_ui_controller.h"// The WebUI for chrome://download-internals.
class DownloadInternalsUI : public content::WebUIController {public:explicit DownloadInternalsUI(content::WebUI* web_ui);~DownloadInternalsUI() override;private:DISALLOW_COPY_AND_ASSIGN(DownloadInternalsUI);
};#endif // CHROME_BROWSER_UI_WEBUI_DOWNLOAD_INTERNALS_DOWNLOAD_INTERNALS_UI_H_
Z:\chromium\src\base\macros.h
DISALLOW_COPY_AND_ASSIGN 宏定义在"base/macros.h"中
// Copyright 2014 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.// This file contains macros and macro-like constructs (e.g., templates) that
// are commonly used throughout Chromium source. (It may also contain things
// that are closely related to things that are commonly used that belong in this
// file.)#ifndef BASE_MACROS_H_
#define BASE_MACROS_H_#include <stddef.h> // For size_t.// Distinguish mips32.
#if defined(__mips__) && (_MIPS_SIM == _ABIO32) && !defined(__mips32__)
#define __mips32__
#endif// Distinguish mips64.
#if defined(__mips__) && (_MIPS_SIM == _ABI64) && !defined(__mips64__)
#define __mips64__
#endif// Put this in the declarations for a class to be uncopyable.
#define DISALLOW_COPY(TypeName) \TypeName(const TypeName&) = delete// Put this in the declarations for a class to be unassignable.
#define DISALLOW_ASSIGN(TypeName) TypeName& operator=(const TypeName&) = delete// Put this in the declarations for a class to be uncopyable and unassignable.
#define DISALLOW_COPY_AND_ASSIGN(TypeName) \DISALLOW_COPY(TypeName); \DISALLOW_ASSIGN(TypeName)// A macro to disallow all the implicit constructors, namely the
// default constructor, copy constructor and operator= functions.
// This is especially useful for classes containing only static methods.
#define DISALLOW_IMPLICIT_CONSTRUCTORS(TypeName) \TypeName() = delete; \DISALLOW_COPY_AND_ASSIGN(TypeName)// The arraysize(arr) macro returns the # of elements in an array arr. The
// expression is a compile-time constant, and therefore can be used in defining
// new arrays, for example. If you use arraysize on a pointer by mistake, you
// will get a compile-time error. For the technical details, refer to
// .aspx.// This template function declaration is used in defining arraysize.
// Note that the function doesn't need an implementation, as we only
// use its type.
//
// DEPRECATED, please use base::size(array) instead.
// TODO(): Replace existing arraysize usages.
template <typename T, size_t N> char (&ArraySizeHelper(T (&array)[N]))[N];
#define arraysize(array) (sizeof(ArraySizeHelper(array)))// Used to explicitly mark the return value of a function as unused. If you are
// really sure you don't want to do anything with the return value of a function
// that has been marked WARN_UNUSED_RESULT, wrap it with this. Example:
//
// std::unique_ptr<MyType> my_var = ...;
// if (TakeOwnership(my_var.get()) == SUCCESS)
// ignore_result(my_var.release());
//
template<typename T>
inline void ignore_result(const T&) {
}namespace base {// Use these to declare and define a static local variable (static T;) so that
// it is leaked so that its destructors are not called at exit. This is
// thread-safe.
//
// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! DEPRECATED !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
// Please don't use this macro. Use a function-local static of type
// base::NoDestructor<T> instead:
//
// Factory& Factory::GetInstance() {
// static base::NoDestructor<Factory> instance;
// return *instance;
// }
// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
#define CR_DEFINE_STATIC_LOCAL(type, name, arguments) \static type& name = *new type arguments// Workaround for MSVC, which expands __VA_ARGS__ as one macro argument. To
// work around this bug, wrap the entire expression in this macro...
#define CR_EXPAND_ARG(arg) arg} // base#endif // BASE_MACROS_H_