| Avi Drissman | e4622aa | 2022-09-08 20:36:06 | [diff] [blame] | 1 | // Copyright 2010 The Chromium Authors |
| [email protected] | 8edbebd | 2013-01-31 19:45:02 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | // |
| 5 | // This file defines preprocessor macros for stringizing preprocessor |
| 6 | // symbols (or their output) and manipulating preprocessor symbols |
| 7 | // that define strings. |
| 8 | |
| 9 | #ifndef BASE_STRINGS_STRINGIZE_MACROS_H_ |
| 10 | #define BASE_STRINGS_STRINGIZE_MACROS_H_ |
| 11 | |
| 12 | #include "build/build_config.h" |
| 13 | |
| 14 | // This is not very useful as it does not expand defined symbols if |
| 15 | // called directly. Use its counterpart without the _NO_EXPANSION |
| 16 | // suffix, below. |
| 17 | #define STRINGIZE_NO_EXPANSION(x) #x |
| 18 | |
| 19 | // Use this to quote the provided parameter, first expanding it if it |
| 20 | // is a preprocessor symbol. |
| 21 | // |
| 22 | // For example, if: |
| 23 | // #define A FOO |
| 24 | // #define B(x) myobj->FunctionCall(x) |
| 25 | // |
| 26 | // Then: |
| 27 | // STRINGIZE(A) produces "FOO" |
| 28 | // STRINGIZE(B(y)) produces "myobj->FunctionCall(y)" |
| 29 | #define STRINGIZE(x) STRINGIZE_NO_EXPANSION(x) |
| 30 | |
| 31 | #endif // BASE_STRINGS_STRINGIZE_MACROS_H_ |
