chromium/ui/color/color_id_macros.inc

// Copyright 2019 The Chromium Authors
// 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 both the color id enumerations and
// the stringized names of the enumeration elements for use in dump_colors. To
// stringize the element names, define STRINGIZE_COLOR_IDS prior to including
// this file. This file is intended to be included just before and just after
// the enumeration or string array declarations.

#if !defined(COLOR_ID_MACROS_DEFINED)
#define COLOR_ID_MACROS_DEFINED
#if defined(STRINGIZE_COLOR_IDS)
// Convert first token to string, throw away the rest.
#define D1 …
#define D2 …
#else  // defined(STRINGIZE_COLOR_IDS)
// Declare enum with optional assigned value.
#define D1 …
#define D2 …
#endif  // defined(STRINGIZE_COLOR_IDS)
// Select which token in the declaration is the assigned value.
// Use first and optional third token, ignore optional second.
#define E1 …
#define E2 …
#define E3 …
#define E_CPONLY …
#define GET_E …
#define E …
#else  // !defined(COLOR_ID_MACROS_DEFINED)
#undef D1
#undef D2
#undef E1
#undef E2
#undef E3
#undef E_CPONLY
#undef GET_E
#undef E
#undef COLOR_ID_MACROS_DEFINED
#endif  // !defined(COLOR_ID_MACROS_DEFINED)