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