Developer Documentation
SmartPointer.hh
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41 
42 #ifndef ACG_UTILS_SMARTPOINTER_HH
43 #define ACG_UTILS_SMARTPOINTER_HH
44 
45 /*************************************************
46  * Warning! This header file is duplicated in *
47  * OpenVolumeMesh with the same header guard, *
48  * as src/OpenVolumeMesh/System/MemoryInclude.hh.*
49  * If you change this file, you should change *
50  * that file as well. *
51  *************************************************/
52 
53 #include <memory>
54 
55 // Default for C++ 11 and higher
56 #if ((defined(_MSC_VER) && (_MSC_VER >= 1900)) || __cplusplus > 199711L || defined(__GXX_EXPERIMENTAL_CXX0X__))
57 
58  // legacy code may depend on this define:
59  #define ACG_UNIQUE_POINTER_SUPPORTED 1
60 
61  namespace ptr {
62  using std::shared_ptr;
63  using std::make_shared;
64  using std::unique_ptr;
65 
66  #if __cplusplus >= 201402L
67  using std::make_unique;
68  #else
69  template<typename T, typename... Args>
70  std::unique_ptr<T>
71  make_unique(Args&&... args) {
72  return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
73  }
74  #endif // C++14
75 
76  } // namespace ptr
77 
78 
79 #else // deprecated things
80 
84  #if ( (__cplusplus >= 201103L) || (__STDC_VERSION__ >= 201112L) )
85  // C++11:
86  #include <memory>
87  namespace ptr = std;
88  #define ACG_UNIQUE_POINTER_SUPPORTED 1
89  #elif defined(__GXX_EXPERIMENTAL_CXX0X__)
90  // C++11 via -std=c++0x on gcc:
91  #include <memory>
92  namespace ptr = std;
93  #define ACG_UNIQUE_POINTER_SUPPORTED 1
94  #else
95  // C++98 and TR1:
96  #if (_MSC_VER >= 1600)
97  // VStudio 2010 supports some C++11 features
98  #include <memory>
99  namespace ptr = std;
100  #define ACG_UNIQUE_POINTER_SUPPORTED 1
101  #elif (_MSC_VER >= 1500)
102  // hope for TR1 equivalents
103  #if(_HAS_TR1)
104  #include <memory>
105  namespace ptr = std::tr1;
106  #define ACG_UNIQUE_POINTER_SUPPORTED 0
107  #else
108  #pragma warning "TR1 not available! Please install Visual Studio Service Pack 1!"
109  #endif
110  #else
111  // hope for TR1 equivalents
112  // check for clang5 but switch to tr1 if clang uses libstdc++
113  #if defined(__clang_major__) && (__clang_major__ >= 5) && !defined(__GLIBCXX__ )
114  // Mavericks special treatment
115  #include <memory>
116  namespace ptr = std;
117  #else
118  #include <tr1/memory>
119  namespace ptr = std::tr1;
120  #endif
121  #define ACG_UNIQUE_POINTER_SUPPORTED 0
122  #endif
123  #endif
124 #endif
125 
126 
127 
128 
129 #endif // ACG_UTILS_SMARTPOINTER_HH
130 
std
STL namespace.