1 // Copyright 2018 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_BASE_V8_FALLTHROUGH_H_ 6 #define V8_BASE_V8_FALLTHROUGH_H_ 7 8 // When clang suggests inserting [[clang::fallthrough]], it first checks if 9 // it knows of a macro expanding to it, and if so suggests inserting the 10 // macro. This means that this macro must be used only in code internal 11 // to v8, so that v8's user code doesn't end up getting suggestions 12 // for V8_FALLTHROUGH instead of the user-specific fallthrough macro. 13 // So do not include this header in any of v8's public headers -- only 14 // use it in src/, not in include/. 15 #if defined(__clang__) 16 #define V8_FALLTHROUGH [[clang::fallthrough]] // NOLINT(whitespace/braces) 17 #else 18 #define V8_FALLTHROUGH 19 #endif 20 21 #endif // V8_BASE_V8_FALLTHROUGH_H_ 22
