MIRA
HasNonMember.h
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38 
46 #ifndef MIRA_HASNONMEMBER_H_
47 #define MIRA_HASNONMEMBER_H_
48 
49 // ToDo: generate variants for different parameter numbers automatically using BOOST_PP
50 
52 
53 #define MIRA_NONMEMBER_FUNCTION0_DETECTOR_EX(Identifier, ReturnType, FunctionName) \
54 template <typename = ReturnType> \
55 struct MIRAHasNonMemberCheck##Identifier \
56 { \
57  typedef std::false_type type; \
58  enum { value = false }; \
59 }; \
60  \
61 template <> \
62 struct MIRAHasNonMemberCheck##Identifier<decltype(FunctionName())> \
63 { \
64  typedef std::true_type type; \
65  enum { value = true }; \
66 };
67 
68 #define MIRA_NONMEMBER_FUNCTION0_DETECTOR(ReturnType, FunctionName) \
69  MIRA_NONMEMBER_FUNCTION0_DETECTOR_EX(FunctionName, ReturnType, FunctionName)
70 
72 
73 #define MIRA_NONMEMBER_FUNCTION1_DETECTOR_EX(Identifier, ReturnType, FunctionName) \
74 template <typename P0, typename = ReturnType> \
75 struct MIRAHasNonMemberCheck##Identifier \
76 { \
77  typedef std::false_type type; \
78  enum { value = false }; \
79 }; \
80  \
81 template <typename P0> \
82 struct MIRAHasNonMemberCheck##Identifier<P0, \
83  decltype(FunctionName(std::declval<P0>()))> \
84 { \
85  typedef std::true_type type; \
86  enum { value = true }; \
87 };
88 
89 #define MIRA_NONMEMBER_FUNCTION1_DETECTOR(ReturnType, FunctionName) \
90  MIRA_NONMEMBER_FUNCTION1_DETECTOR_EX(FunctionName, ReturnType, FunctionName)
91 
93 
94 #define MIRA_NONMEMBER_FUNCTION2_DETECTOR_EX(Identifier, ReturnType, FunctionName) \
95 template <typename P0, typename P1, typename = ReturnType> \
96 struct MIRAHasNonMemberCheck##Identifier \
97 { \
98  typedef std::false_type type; \
99  enum { value = false }; \
100 }; \
101  \
102 template <typename P0, typename P1> \
103 struct MIRAHasNonMemberCheck##Identifier<P0, P1, \
104  decltype(FunctionName(std::declval<P0>(), \
105  std::declval<P1>()))> \
106 { \
107  typedef std::true_type type; \
108  enum { value = true }; \
109 };
110 
111 #define MIRA_NONMEMBER_FUNCTION2_DETECTOR(ReturnType, FunctionName) \
112  MIRA_NONMEMBER_FUNCTION2_DETECTOR_EX(FunctionName, ReturnType, FunctionName)
113 
115 
116 #define MIRA_NONMEMBER_FUNCTION3_DETECTOR_EX(Identifier, ReturnType, FunctionName) \
117 template <typename P0, typename P1, typename P2, typename = ReturnType> \
118 struct MIRAHasNonMemberCheck##Identifier \
119 { \
120  typedef std::false_type type; \
121  enum { value = false }; \
122 }; \
123  \
124 template <typename P0, typename P1, typename P2> \
125 struct MIRAHasNonMemberCheck##Identifier<P0, P1, P2, \
126  decltype(FunctionName(std::declval<P0>(), \
127  std::declval<P1>(), \
128  std::declval<P2>()))> \
129 { \
130  typedef std::true_type type; \
131  enum { value = true }; \
132 };
133 
134 #define MIRA_NONMEMBER_FUNCTION3_DETECTOR(ReturnType, FunctionName) \
135  MIRA_NONMEMBER_FUNCTION3_DETECTOR_EX(FunctionName, ReturnType, FunctionName)
136 
138 
150 #define MIRA_HAS_NONMEMBER_FUNCTION0(Identifier) \
151  MIRAHasNonMemberCheck##Identifier<>
152 
154 
166 #define MIRA_HAS_NONMEMBER_FUNCTION1(Identifier, ParamType0) \
167  MIRAHasNonMemberCheck##Identifier<ParamType0>
168 
170 
182 #define MIRA_HAS_NONMEMBER_FUNCTION2(Identifier, ParamType0, ParamType1) \
183  MIRAHasNonMemberCheck##Identifier<ParamType0, ParamType1>
184 
186 
198 #define MIRA_HAS_NONMEMBER_FUNCTION3(Identifier, ParamType0, ParamType1, ParamType2) \
199  MIRAHasNonMemberCheck##Identifier<ParamType0, ParamType1, ParamType2>
200 
202 
203 #endif
SVN-r10330 , Generated on Sat Apr 20 2024 02:33:41 for MIRA by   doxygen 1.8.14