// Copyright (c) 2010 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 defines preprocessor macros for stringizing preprocessor // symbols (or their output) and manipulating preprocessor symbols // that define strings. #ifndef BASE_STRINGS_STRINGIZE_MACROS_H_ #define BASE_STRINGS_STRINGIZE_MACROS_H_ #include "build/build_config.h" // This is not very useful as it does not expand defined symbols if // called directly. Use its counterpart without the _NO_EXPANSION // suffix, below. #define STRINGIZE_NO_EXPANSION(x) #x // Use this to quote the provided parameter, first expanding it if it // is a preprocessor symbol. // // For example, if: // #define A FOO // #define B(x) myobj->FunctionCall(x) // // Then: // STRINGIZE(A) produces "FOO" // STRINGIZE(B(y)) produces "myobj->FunctionCall(y)" #define STRINGIZE(x) STRINGIZE_NO_EXPANSION(x) #endif // BASE_STRINGS_STRINGIZE_MACROS_H_