| // Copyright 2009 The RE2 Authors. All Rights Reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| #ifndef UTIL_FLAGS_H_ |
| #define UTIL_FLAGS_H_ |
| |
| // Simplified version of Google's command line flags. |
| // Does not support parsing the command line. |
| // If you want to do that, see |
| // https://gflags.github.io/gflags/ |
| |
| #include <stdint.h> |
| |
| #define DEFINE_flag(type, name, deflt, desc) \ |
| namespace re2 { type FLAGS_##name = deflt; } |
| |
| #define DECLARE_flag(type, name) \ |
| namespace re2 { extern type FLAGS_##name; } |
| |
| #define DEFINE_bool(name, deflt, desc) DEFINE_flag(bool, name, deflt, desc) |
| #define DEFINE_int32(name, deflt, desc) DEFINE_flag(int32_t, name, deflt, desc) |
| #define DEFINE_string(name, deflt, desc) DEFINE_flag(string, name, deflt, desc) |
| |
| #define DECLARE_bool(name) DECLARE_flag(bool, name) |
| #define DECLARE_int32(name) DECLARE_flag(int32_t, name) |
| #define DECLARE_string(name) DECLARE_flag(string, name) |
| |
| #endif // UTIL_FLAGS_H_ |