1 //////////////////////////////////////////////////////////////////////////////
2 //
3 // (C) Copyright Ion Gaztanaga 2005-2013. Distributed under the Boost
4 // Software License, Version 1.0. (See accompanying file
5 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 //
7 // See http://www.boost.org/libs/container for documentation.
8 //
9 //////////////////////////////////////////////////////////////////////////////
10 
11 #ifndef BOOST_CONTAINER_DETAIL_WORKAROUND_HPP
12 #define BOOST_CONTAINER_DETAIL_WORKAROUND_HPP
13 
14 #ifndef BOOST_CONFIG_HPP
15 #  include <boost/config.hpp>
16 #endif
17 
18 #if defined(BOOST_HAS_PRAGMA_ONCE)
19 #  pragma once
20 #endif
21 
22 #if    !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)\
23     && !defined(BOOST_INTERPROCESS_DISABLE_VARIADIC_TMPL)
24    #define BOOST_CONTAINER_PERFECT_FORWARDING
25 #endif
26 
27 #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && defined(__GXX_EXPERIMENTAL_CXX0X__)\
28     && (__GNUC__*10000 + __GNUC_MINOR__*100 + __GNUC_PATCHLEVEL__ < 40700)
29    #define BOOST_CONTAINER_UNIMPLEMENTED_PACK_EXPANSION_TO_FIXED_LIST
30 #endif
31 
32 #if defined(BOOST_GCC_VERSION)
33 #  if (BOOST_GCC_VERSION < 40700) || !defined(BOOST_GCC_CXX11)
34 #     define BOOST_CONTAINER_NO_CXX11_DELEGATING_CONSTRUCTORS
35 #  endif
36 #elif defined(BOOST_MSVC)
37 #  if _MSC_FULL_VER < 180020827
38 #     define BOOST_CONTAINER_NO_CXX11_DELEGATING_CONSTRUCTORS
39 #  endif
40 #elif defined(BOOST_CLANG)
41 #  if !__has_feature(cxx_delegating_constructors)
42 #     define BOOST_CONTAINER_NO_CXX11_DELEGATING_CONSTRUCTORS
43 #  endif
44 #endif
45 
46 #if defined(BOOST_MSVC) && (_MSC_VER < 1400)
47    #define BOOST_CONTAINER_TEMPLATED_CONVERSION_OPERATOR_BROKEN
48 #endif
49 
50 #if !defined(BOOST_NO_CXX11_HDR_TUPLE) || (defined(BOOST_MSVC) && (BOOST_MSVC == 1700 || BOOST_MSVC == 1600))
51 #define BOOST_CONTAINER_PAIR_TEST_HAS_HEADER_TUPLE
52 #endif
53 
54 //Macros for documentation purposes. For code, expands to the argument
55 #define BOOST_CONTAINER_IMPDEF(TYPE) TYPE
56 #define BOOST_CONTAINER_SEEDOC(TYPE) TYPE
57 
58 //Macros for memset optimization. In most platforms
59 //memsetting pointers and floatings is safe and faster.
60 //
61 //If your platform does not offer these guarantees
62 //define these to value zero.
63 #ifndef BOOST_CONTAINER_MEMZEROED_FLOATING_POINT_IS_NOT_ZERO
64 #define BOOST_CONTAINER_MEMZEROED_FLOATING_POINT_IS_ZERO 1
65 #endif
66 
67 #ifndef BOOST_CONTAINER_MEMZEROED_POINTER_IS_NOT_NULL
68 #define BOOST_CONTAINER_MEMZEROED_POINTER_IS_NULL
69 #endif
70 
71 #define BOOST_CONTAINER_DOC1ST(TYPE1, TYPE2) TYPE2
72 #define BOOST_CONTAINER_I ,
73 #define BOOST_CONTAINER_DOCIGN(T) T
74 #define BOOST_CONTAINER_DOCONLY(T)
75 
76 /*
77    we need to import/export our code only if the user has specifically
78    asked for it by defining either BOOST_ALL_DYN_LINK if they want all boost
79    libraries to be dynamically linked, or BOOST_CONTAINER_DYN_LINK
80    if they want just this one to be dynamically liked:
81 */
82 #if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_CONTAINER_DYN_LINK)
83 
84    /* export if this is our own source, otherwise import: */
85    #ifdef BOOST_CONTAINER_SOURCE
86    #  define BOOST_CONTAINER_DECL BOOST_SYMBOL_EXPORT
87    #else
88    #  define BOOST_CONTAINER_DECL BOOST_SYMBOL_IMPORT
89 
90    #endif  /* BOOST_CONTAINER_SOURCE */
91 #else
92    #define BOOST_CONTAINER_DECL
93 #endif  /* DYN_LINK */
94 
95 //#define BOOST_CONTAINER_DISABLE_FORCEINLINE
96 
97 #if defined(BOOST_CONTAINER_DISABLE_FORCEINLINE)
98    #define BOOST_CONTAINER_FORCEINLINE inline
99 #elif defined(BOOST_CONTAINER_FORCEINLINE_IS_BOOST_FORCELINE)
100    #define BOOST_CONTAINER_FORCEINLINE BOOST_FORCEINLINE
101 #elif defined(BOOST_MSVC) && defined(_DEBUG)
102    //"__forceinline" and MSVC seems to have some bugs in debug mode
103    #define BOOST_CONTAINER_FORCEINLINE inline
104 #elif defined(__GNUC__) && ((__GNUC__ < 4) || (__GNUC__ == 4 && (__GNUC_MINOR__ < 5)))
105    //Older GCCs have problems with forceinline
106    #define BOOST_CONTAINER_FORCEINLINE inline
107 #else
108    #define BOOST_CONTAINER_FORCEINLINE BOOST_FORCEINLINE
109 #endif
110 
111 //#define BOOST_CONTAINER_DISABLE_NOINLINE
112 
113 #if defined(BOOST_CONTAINER_DISABLE_NOINLINE)
114    #define BOOST_CONTAINER_NOINLINE
115 #else
116    #define BOOST_CONTAINER_NOINLINE BOOST_NOINLINE
117 #endif
118 
119 
120 #if !defined(__has_feature)
121 #define BOOST_CONTAINER_HAS_FEATURE(feature) 0
122 #else
123 #define BOOST_CONTAINER_HAS_FEATURE(feature) __has_feature(feature)
124 #endif
125 
126 //Detect address sanitizer
127 #if defined(__SANITIZE_ADDRESS__) || BOOST_CONTAINER_HAS_FEATURE(address_sanitizer)
128 #define BOOST_CONTAINER_ASAN
129 #endif
130 
131 
132 #if (__cplusplus >= 201703L)
133    //CTAD supported
134    #ifdef __INTEL_COMPILER
135       //Intel compilers do not offer this feature yet
136       #define BOOST_CONTAINER_NO_CXX17_CTAD
137    #endif
138 #else
139    #define BOOST_CONTAINER_NO_CXX17_CTAD
140 #endif
141 
142 #if defined(BOOST_CONTAINER_DISABLE_ATTRIBUTE_NODISCARD)
143    #define BOOST_CONTAINER_ATTRIBUTE_NODISCARD
144 #else
145    #if   defined(BOOST_GCC) && ((BOOST_GCC < 100000) || (__cplusplus < 201703L))
146       //Avoid using it in C++ < 17 and GCC < 10 because it warns in SFINAE contexts
147       //(see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89070)
148       #define BOOST_CONTAINER_ATTRIBUTE_NODISCARD
149    #else
150       #define BOOST_CONTAINER_ATTRIBUTE_NODISCARD BOOST_ATTRIBUTE_NODISCARD
151    #endif
152 #endif
153 
154 
155 //Configuration options:
156 
157 //Define this to use std exception types instead of boost::container's own exception types
158 //#define BOOST_CONTAINER_USE_STD_EXCEPTIONS
159 
160 
161 
162 
163 #endif   //#ifndef BOOST_CONTAINER_DETAIL_WORKAROUND_HPP
164