// Copyright (c) 1999, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// ---
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//
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// Revamped and reorganized by Craig Silverstein
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//
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// This is the file that should be included by any file which declares
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// command line flag.
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#ifndef BASE_COMMANDLINEFLAGS_DECLARE_H_
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#define BASE_COMMANDLINEFLAGS_DECLARE_H_
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#include <string>
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#if 0
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#include <stdint.h> // the normal place uint16_t is defined
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#endif
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#if 1
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#include <sys/types.h> // the normal place u_int16_t is defined
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#endif
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#if 0
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#include <inttypes.h> // a third place for uint16_t or u_int16_t
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#endif
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namespace google {
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#if 0 // the C99 format
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typedef int32_t int32;
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typedef uint32_t uint32;
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typedef int64_t int64;
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typedef uint64_t uint64;
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#elif 0 // the BSD format
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typedef int32_t int32;
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typedef u_int32_t uint32;
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typedef int64_t int64;
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typedef u_int64_t uint64;
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#elif 1 // the windows (vc7) format
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typedef __int32 int32;
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typedef unsigned __int32 uint32;
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typedef __int64 int64;
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typedef unsigned __int64 uint64;
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#else
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#error Do not know how to define a 32-bit integer quantity on your system
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#endif
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}
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#if defined(_MSC_VER) && !defined(GFLAGS_DLL_DECLARE_FLAG)
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# define GFLAGS_DLL_DECLARE_FLAG __declspec(dllimport)
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#endif
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namespace fLS {
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// The meaning of "string" might be different between now and when the
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// macros below get invoked (e.g., if someone is experimenting with
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// other string implementations that get defined after this file is
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// included). Save the current meaning now and use it in the macros.
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typedef std::string clstring;
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}
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#define DECLARE_VARIABLE(type, shorttype, name) \
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/* We always want to import declared variables, dll or no */ \
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namespace fL##shorttype { extern GFLAGS_DLL_DECLARE_FLAG type FLAGS_##name; } \
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using fL##shorttype::FLAGS_##name
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#define DECLARE_bool(name) \
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DECLARE_VARIABLE(bool, B, name)
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#define DECLARE_int32(name) \
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DECLARE_VARIABLE(::google::int32, I, name)
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#define DECLARE_int64(name) \
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DECLARE_VARIABLE(::google::int64, I64, name)
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#define DECLARE_uint64(name) \
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DECLARE_VARIABLE(::google::uint64, U64, name)
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#define DECLARE_double(name) \
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DECLARE_VARIABLE(double, D, name)
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#define DECLARE_string(name) \
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namespace fLS { \
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using ::fLS::clstring; \
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extern GFLAGS_DLL_DECLARE_FLAG ::fLS::clstring& FLAGS_##name; \
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} \
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using fLS::FLAGS_##name
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#endif // BASE_COMMANDLINEFLAGS_DECLARE_H_
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