urbit/outside/re2/util/flags.h
Steve Dee 27dd121d14 Add 'outside/re2/' from commit '539b44fc4c5a49c3453b80e3af85d297f4cab4bf'
git-subtree-dir: outside/re2
git-subtree-mainline: f94738bfd171ae447133e0964843addbb497894f
git-subtree-split: 539b44fc4c5a49c3453b80e3af85d297f4cab4bf
2014-04-10 11:36:47 -07:00

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// 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.
// Simplified version of Google's command line flags.
// Does not support parsing the command line.
// If you want to do that, see
// http://code.google.com/p/google-gflags
#ifndef RE2_UTIL_FLAGS_H__
#define RE2_UTIL_FLAGS_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, 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, name)
#define DECLARE_string(name) DECLARE_flag(string, name)
#endif // RE2_UTIL_FLAGS_H__