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
19namespace re2 {
20template <typename T>
21T GetFlag(const T& flag) {
22 return flag;
23}
24} // namespace re2
25
26#endif // UTIL_FLAGS_H_
27