1// Copyright (c) 1999, Google Inc.
2// All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions are
6// met:
7//
8//     * Redistributions of source code must retain the above copyright
9// notice, this list of conditions and the following disclaimer.
10//     * Redistributions in binary form must reproduce the above
11// copyright notice, this list of conditions and the following disclaimer
12// in the documentation and/or other materials provided with the
13// distribution.
14//     * Neither the name of Google Inc. nor the names of its
15// contributors may be used to endorse or promote products derived from
16// this software without specific prior written permission.
17//
18// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
30// ---
31//
32// Revamped and reorganized by Craig Silverstein
33//
34// This is the file that should be included by any file which declares
35// command line flag.
36
37#ifndef GFLAGS_DECLARE_H_
38#define GFLAGS_DECLARE_H_
39
40#include <string>
41#if @ac_cv_have_stdint_h@
42#include <stdint.h>         // the normal place uint16_t is defined
43#endif
44#if @ac_cv_have_systypes_h@
45#include <sys/types.h>      // the normal place u_int16_t is defined
46#endif
47#if @ac_cv_have_inttypes_h@
48#include <inttypes.h>       // a third place for uint16_t or u_int16_t
49#endif
50
51@ac_google_start_namespace@
52#if @ac_cv_have_uint16_t@      // the C99 format
53typedef int32_t int32;
54typedef uint32_t uint32;
55typedef int64_t int64;
56typedef uint64_t uint64;
57#elif @ac_cv_have_u_int16_t@   // the BSD format
58typedef int32_t int32;
59typedef u_int32_t uint32;
60typedef int64_t int64;
61typedef u_int64_t uint64;
62#elif @ac_cv_have___int16@     // the windows (vc7) format
63typedef __int32 int32;
64typedef unsigned __int32 uint32;
65typedef __int64 int64;
66typedef unsigned __int64 uint64;
67#else
68#error Do not know how to define a 32-bit integer quantity on your system
69#endif
70@ac_google_end_namespace@
71
72
73#define GFLAGS_DLL_DECLARE_FLAG  /* rewritten to be non-empty in windows dir */
74
75namespace fLS {
76
77// The meaning of "string" might be different between now and when the
78// macros below get invoked (e.g., if someone is experimenting with
79// other string implementations that get defined after this file is
80// included).  Save the current meaning now and use it in the macros.
81typedef std::string clstring;
82
83}
84
85#define DECLARE_VARIABLE(type, shorttype, name) \
86  /* We always want to import declared variables, dll or no */ \
87  namespace fL##shorttype { extern GFLAGS_DLL_DECLARE_FLAG type FLAGS_##name; } \
88  using fL##shorttype::FLAGS_##name
89
90#define DECLARE_bool(name) \
91  DECLARE_VARIABLE(bool, B, name)
92
93#define DECLARE_int32(name) \
94  DECLARE_VARIABLE(@ac_google_namespace@::int32, I, name)
95
96#define DECLARE_int64(name) \
97  DECLARE_VARIABLE(@ac_google_namespace@::int64, I64, name)
98
99#define DECLARE_uint64(name) \
100  DECLARE_VARIABLE(@ac_google_namespace@::uint64, U64, name)
101
102#define DECLARE_double(name) \
103  DECLARE_VARIABLE(double, D, name)
104
105#define DECLARE_string(name) \
106  namespace fLS {                       \
107  using ::fLS::clstring;                \
108  extern GFLAGS_DLL_DECLARE_FLAG ::fLS::clstring& FLAGS_##name; \
109  }                                     \
110  using fLS::FLAGS_##name
111
112#endif  // GFLAGS_DECLARE_H_
113