Gabriele Cosmo
100 lines
4.1 KiB
C++
100 lines
4.1 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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#ifndef G4PhysListStamper_h
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#define G4PhysListStamper_h 1
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#include "globals.hh"
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#include "G4PhysListRegistry.hh"
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#include "G4VModularPhysicsList.hh"
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class G4VBasePhysListStamper
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{
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public:
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virtual G4VModularPhysicsList* Instantiate(G4int /* verbose */) = 0;
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};
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template <typename T> class G4PhysListStamper : public G4VBasePhysListStamper
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{
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public:
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G4PhysListStamper(const G4String& name)
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{
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G4PhysListRegistry::Instance()->AddFactory(name, this);
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}
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virtual G4VModularPhysicsList* Instantiate(G4int verbose)
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{
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return new T(verbose);
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}
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};
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#define G4_DECLARE_PHYSLIST_FACTORY(physics_list) \
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const G4PhysListStamper<physics_list>& physics_list##Factory = G4PhysListStamper<physics_list>(#physics_list)
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// support for physics list defined within a namespace
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// a bit tricky because cpp macro expansion doesn't like "::"
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// ala G4_DECLARE_PHYSLIST_FACTORY_NS(myns::MyPL,myns,MyPL);
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#define G4_DECLARE_PHYSLIST_FACTORY_NS( physics_list , nsname , plbase ) \
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namespace nsname { \
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const G4PhysListStamper<physics_list>& plbase##Factory = G4PhysListStamper<physics_list>(#physics_list); \
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} \
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typedef int xyzzy__LINE__
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// eat trailing semicolon using silly typedef
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// REFERENCE (rather than DECLARE) when the physics list if it is part
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// of a static library. No need to include the header (DECLARE needs this
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// to build the code), we just need to make a reference in order to pull
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// the compilation unit static variable from the library and cause it
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// to be initialized (and thus self-register)
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// this is _very_ much complicated because of the templating of these lists
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#define G4_REFERENCE_PHYSLIST_FACTORY(physics_list) \
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class G4VModularPhysicsList; \
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template <class T> class T##physics_list; \
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typedef T##physics_list<G4VModularPhysicsList> physics_list; \
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extern const G4PhysListStamper<physics_list>& physics_list##Factory; \
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const G4PhysListStamper<physics_list>& physics_list##FactoryRef = physics_list##Factory
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#define G4_REFERENCE_PHYSLIST_FACTORY_NS(physics_list, nsname, plbase ) \
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class G4VModularPhysicsList; \
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namespace nsname { \
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template <class T> class T##plbase; \
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typedef T##plbase<G4VModularPhysicsList> plbase; \
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extern const G4PhysListStamper<plbase>& plbase##Factory; \
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const G4PhysListStamper<plbase>& plbase##FactoryRef = plbase##Factory; \
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} \
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typedef int xyzzy__LINE__
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// eat trailing semicolon using silly typedef
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#endif
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