| Ian Hodson | 2ee91b4 | 2012-05-14 12:29:36 +0100 | [diff] [blame] | 1 | // Copyright 2009 The RE2 Authors. All Rights Reserved. |
| 2 | // Use of this source code is governed by a BSD-style |
| 3 | // license that can be found in the LICENSE file. |
| 4 | |
| 5 | // Simplified version of Google's command line flags. |
| 6 | // Does not support parsing the command line. |
| 7 | // If you want to do that, see |
| 8 | // http://code.google.com/p/google-gflags |
| 9 | |
| 10 | #ifndef RE2_UTIL_FLAGS_H__ |
| 11 | #define RE2_UTIL_FLAGS_H__ |
| 12 | |
| 13 | #define DEFINE_flag(type, name, deflt, desc) \ |
| 14 | namespace re2 { type FLAGS_##name = deflt; } |
| 15 | |
| 16 | #define DECLARE_flag(type, name) \ |
| 17 | namespace re2 { extern type FLAGS_##name; } |
| 18 | |
| 19 | #define DEFINE_bool(name, deflt, desc) DEFINE_flag(bool, name, deflt, desc) |
| 20 | #define DEFINE_int32(name, deflt, desc) DEFINE_flag(int32, name, deflt, desc) |
| 21 | #define DEFINE_string(name, deflt, desc) DEFINE_flag(string, name, deflt, desc) |
| 22 | |
| 23 | #define DECLARE_bool(name) DECLARE_flag(bool, name) |
| 24 | #define DECLARE_int32(name) DECLARE_flag(int32, name) |
| 25 | #define DECLARE_string(name) DECLARE_flag(string, name) |
| 26 | |
| 27 | #endif // RE2_UTIL_FLAGS_H__ |