// Copyright 2018 the V8 project 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 V8_BASE_V8_FALLTHROUGH_H_#define V8_BASE_V8_FALLTHROUGH_H_// When clang suggests inserting [[clang::fallthrough]], it first checks if// it knows of a macro expanding to it, and if so suggests inserting the// macro. This means that this macro must be used only in code internal// to v8, so that v8's user code doesn't end up getting suggestions// for V8_FALLTHROUGH instead of the user-specific fallthrough macro.// So do not include this header in any of v8's public headers -- only// use it in src/, not in include/.#if defined(__clang__)#define V8_FALLTHROUGH [[clang::fallthrough]] // NOLINT(whitespace/braces)#else#define V8_FALLTHROUGH#endif#endif // V8_BASE_V8_FALLTHROUGH_H_
