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Diffstat (limited to 'util/flags.h')
-rw-r--r-- | util/flags.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/util/flags.h b/util/flags.h new file mode 100644 index 0000000..77a06a2 --- /dev/null +++ b/util/flags.h @@ -0,0 +1,27 @@ +// 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__ |