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Control/AthenaKernel/AthenaKernel/CLASS_DEF.h
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1 /*
2  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
3 */
4 
5 #ifndef ATHENAKERNEL_CLASS_DEF_H
6 #define ATHENAKERNEL_CLASS_DEF_H
7 
13 #include "AthenaKernel/ClassID_traits.h"
14 #include "CxxUtils/checker_macros.h"
15 
16 #ifdef __CLING__
17 # define CLIDREGISTRY_ADDENTRY(CID, NAME) \
18  namespace detail { \
19  [[maybe_unused]] \
20  const bool clidEntry_ ## CID = \
21  CLIDRegistry::addEntry(CID, typeid(NAME), \
22  ClassID_traits< NAME >::typeNameString(), \
23  ClassName< NAME >::name()); \
24  }
25 # define CLIDREGISTRY_ADDENTRY2(CID, ARG1, ARG2) \
26  namespace detail { \
27  [[maybe_unused]] \
28  const bool clidEntry_ ## CID = \
29  CLIDRegistry::addEntry \
30  (CID, typeid(ARG1,ARG2), \
31  ClassID_traits< ARG1,ARG2 >::typeNameString(), \
32  ClassName< ARG1,ARG2 >::name()); \
33  }
34 #else
35 # define CLIDREGISTRY_ADDENTRY(CID, NAME) \
36  namespace detail { \
37  [[maybe_unused]] \
38  const bool clidEntry_ ## CID = \
39  CLIDRegistry::addEntry<CID>(typeid(NAME), \
40  ClassID_traits< NAME >::typeNameString(), \
41  ClassName< NAME >::name()); \
42  }
43 # define CLIDREGISTRY_ADDENTRY2(CID, ARG1, ARG2) \
44  namespace detail { \
45  [[maybe_unused]] \
46  const bool clidEntry_ ## CID = \
47  CLIDRegistry::addEntry<CID> \
48  (typeid(ARG1,ARG2), \
49  ClassID_traits< ARG1,ARG2 >::typeNameString(), \
50  ClassName< ARG1,ARG2 >::name()); \
51  }
52 #endif
53 
64 #define CLASS_DEF(NAME, CID , VERSION) \
65  template <> \
66  struct ClassID_traits< NAME > { \
67  typedef std::is_base_of<DataObject, NAME> isDObj_t; \
68  static const bool s_isDataObject = isDObj_t::value; \
69  typedef std::integral_constant<bool, s_isDataObject> is_DataObject_tag; \
70  typedef std::true_type has_classID_tag; \
71  static const CLID& ID ATLAS_CHECK_THREAD_SAFETY () { static const CLID c(CID); return c; } \
72  static const char* typeNameString ATLAS_CHECK_THREAD_SAFETY () { \
73  return #NAME; \
74  } \
75  static const std::string& typeName ATLAS_CHECK_THREAD_SAFETY () { \
76  static const std::string name = typeNameString(); \
77  return name; \
78  } \
79  static const std::type_info& typeInfo() { \
80  return typeid (NAME); \
81  } \
82  typedef std::true_type has_version_tag; \
83  static const int s_version = VERSION; \
84  static const bool s_isConst = false; \
85  }; \
86  CLIDREGISTRY_ADDENTRY(CID, NAME)
87 
88 
100 #define CLASS_DEF2(ARG1, ARG2, CID , VERSION) \
101  template <> \
102  struct ClassID_traits< ARG1,ARG2 > { \
103  typedef std::is_base_of<DataObject, ARG1, ARG2 > isDObj_t; \
104  static const bool s_isDataObject = isDObj_t::value; \
105  typedef std::integral_constant<bool, s_isDataObject> is_DataObject_tag; \
106  typedef std::true_type has_classID_tag; \
107  static const CLID& ID ATLAS_CHECK_THREAD_SAFETY () { \
108  static const CLID c(CID); return c; \
109  } \
110  static const char* typeNameString ATLAS_CHECK_THREAD_SAFETY () { \
111  return #ARG1 "," #ARG2; \
112  } \
113  static const std::string& typeName ATLAS_CHECK_THREAD_SAFETY () { \
114  static const std::string name = typeNameString(); \
115  return name; \
116  } \
117  static const std::type_info& typeInfo() { \
118  return typeid (ARG1,ARG2); \
119  } \
120  typedef std::true_type has_version_tag; \
121  static const int s_version = VERSION; \
122  static const bool s_isConst = false; \
123  }; \
124  CLIDREGISTRY_ADDENTRY2(CID, ARG1, ARG2)
125 
126 #endif // not ATHENAKERNEL_CLASS_DEF_H
ClassID_traits.h
a traits class that associates a CLID to a type T It also detects whether T inherits from Gaudi DataO...
checker_macros.h
Define macros for attributes used to control the static checker.
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