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- // 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_
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