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G4PhysListStamper.hh
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26 #ifndef G4PhysListStamper_h
27 #define G4PhysListStamper_h 1
28 
29 
30 #include "globals.hh"
31 #include "G4PhysListRegistry.hh"
32 #include "G4VModularPhysicsList.hh"
33 
35 {
36 
37 public:
38 
39  virtual G4VModularPhysicsList* Instantiate(G4int /* verbose */) = 0;
40 
41 };
42 
43 
44 template <typename T> class G4PhysListStamper : public G4VBasePhysListStamper
45 {
46 public:
47 
49  {
51  }
52 
54  {
55  return new T(verbose);
56  }
57 };
58 
59 #define G4_DECLARE_PHYSLIST_FACTORY(physics_list) \
60  const G4PhysListStamper<physics_list>& physics_list##Factory = G4PhysListStamper<physics_list>(#physics_list)
61 
62 // support for physics list defined within a namespace
63 // a bit tricky because cpp macro expansion doesn't like "::"
64 // ala G4_DECLARE_PHYSLIST_FACTORY_NS(myns::MyPL,myns,MyPL);
65 #define G4_DECLARE_PHYSLIST_FACTORY_NS( physics_list , nsname , plbase ) \
66  namespace nsname { \
67  const G4PhysListStamper<physics_list>& plbase##Factory = G4PhysListStamper<physics_list>(#physics_list); \
68  } \
69  typedef int xyzzy__LINE__
70  // eat trailing semicolon using silly typedef
71 
72 // REFERENCE (rather than DECLARE) when the physics list if it is part
73 // of a static library. No need to include the header (DECLARE needs this
74 // to build the code), we just need to make a reference in order to pull
75 // the compilation unit static variable from the library and cause it
76 // to be initialized (and thus self-register)
77 
78 // this is _very_ much complicated because of the templating of these lists
79 
80 #define G4_REFERENCE_PHYSLIST_FACTORY(physics_list) \
81  class G4VModularPhysicsList; \
82  template <class T> class T##physics_list; \
83  typedef T##physics_list<G4VModularPhysicsList> physics_list; \
84  extern const G4PhysListStamper<physics_list>& physics_list##Factory; \
85  const G4PhysListStamper<physics_list>& physics_list##FactoryRef = physics_list##Factory
86 
87 #define G4_REFERENCE_PHYSLIST_FACTORY_NS(physics_list, nsname, plbase ) \
88  class G4VModularPhysicsList; \
89  namespace nsname { \
90  template <class T> class T##plbase; \
91  typedef T##plbase<G4VModularPhysicsList> plbase; \
92  extern const G4PhysListStamper<plbase>& plbase##Factory; \
93  const G4PhysListStamper<plbase>& plbase##FactoryRef = plbase##Factory; \
94  } \
95  typedef int xyzzy__LINE__
96  // eat trailing semicolon using silly typedef
97 
98 #endif
99 
const XML_Char * name
Definition: expat.h:151
void AddFactory(G4String name, G4VBasePhysListStamper *)
virtual G4VModularPhysicsList * Instantiate(G4int)=0
int G4int
Definition: G4Types.hh:78
G4PhysListStamper(const G4String &name)
static G4PhysListRegistry * Instance()
virtual G4VModularPhysicsList * Instantiate(G4int verbose)