12ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson// Copyright 2009 The RE2 Authors. All Rights Reserved. 22ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson// Use of this source code is governed by a BSD-style 32ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson// license that can be found in the LICENSE file. 42ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson 52ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson// Simplified version of Google's command line flags. 62ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson// Does not support parsing the command line. 72ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson// If you want to do that, see 82ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson// http://code.google.com/p/google-gflags 92ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson 102ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson#ifndef RE2_UTIL_FLAGS_H__ 112ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson#define RE2_UTIL_FLAGS_H__ 122ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson 132ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson#define DEFINE_flag(type, name, deflt, desc) \ 142ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson namespace re2 { type FLAGS_##name = deflt; } 152ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson 162ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson#define DECLARE_flag(type, name) \ 172ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson namespace re2 { extern type FLAGS_##name; } 182ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson 192ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson#define DEFINE_bool(name, deflt, desc) DEFINE_flag(bool, name, deflt, desc) 202ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson#define DEFINE_int32(name, deflt, desc) DEFINE_flag(int32, name, deflt, desc) 212ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson#define DEFINE_string(name, deflt, desc) DEFINE_flag(string, name, deflt, desc) 222ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson 232ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson#define DECLARE_bool(name) DECLARE_flag(bool, name) 242ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson#define DECLARE_int32(name) DECLARE_flag(int32, name) 252ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson#define DECLARE_string(name) DECLARE_flag(string, name) 262ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson 272ee91b4af4353b9e6a9d591c32fedfc58fd4ef35Ian Hodson#endif // RE2_UTIL_FLAGS_H__ 28