| // Copyright 2021 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. |
| |
| // The following macros are used to declare a map from color id enum to the |
| // stringized name of the color id enum for use in extracting the color id enum |
| // in string format. This file is intended to be included just before and just |
| // after the declaration of the map. |
| |
| #if !defined(COLOR_ID_FLAT_MAP_MACROS_DEFINED) |
| #define COLOR_ID_FLAT_MAP_MACROS_DEFINED |
| |
| #define E1(enum_name) \ |
| { enum_name, #enum_name } |
| #define E2(enum_name, old_enum_name) \ |
| { enum_name, #enum_name } |
| #define E3(enum_name, old_enum_name, enum_value) \ |
| { enum_name, #enum_name } |
| #define E_CPONLY(...) E(__VA_ARGS__) |
| #define GET_E(_1, _2, _3, macro_name, ...) macro_name |
| #define E(...) GET_E(__VA_ARGS__, E3, E2, E1)(__VA_ARGS__), |
| |
| #else |
| #undef E1 |
| #undef E2 |
| #undef E3 |
| #undef E_CPONLY |
| #undef GET_E |
| #undef E |
| #endif |
