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 #ifndef UTIL_FLAGS_H_
6 #define UTIL_FLAGS_H_
7 
8 // Simplified version of Google's command line flags.
9 // Does not support parsing the command line.
10 // If you want to do that, see
11 // https://gflags.github.io/gflags/
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 namespace re2 {
20 template <typename T>
GetFlag(const T & flag)21 T GetFlag(const T& flag) {
22   return flag;
23 }
24 }  // namespace re2
25 
26 #endif  // UTIL_FLAGS_H_
27