artdaq_core  v3_04_09
GeneratorMacros.hh
1 #ifndef artdaq_core_Generators_GeneratorMacros_hh
2 #define artdaq_core_Generators_GeneratorMacros_hh
3 
4 #include "artdaq-core/Generators/FragmentGenerator.hh"
5 #include "fhiclcpp/fwd.h"
6 
7 #include "cetlib/compiler_macros.h"
8 #include <memory>
9 
10 namespace artdaq
11 {
17  typedef std::unique_ptr<artdaq::FragmentGenerator> makeFunc_t(fhicl::ParameterSet const& ps);
18 }
19 
20 #ifndef EXTERN_C_FUNC_DECLARE_START
21 #define EXTERN_C_FUNC_DECLARE_START extern "C" {
22 #endif
23 
24 #define DEFINE_ARTDAQ_GENERATOR(klass) \
25  \
30  EXTERN_C_FUNC_DECLARE_START \
31  std::unique_ptr<artdaq::FragmentGenerator> \
32  make(fhicl::ParameterSet const & ps) { \
33  return std::unique_ptr<artdaq::FragmentGenerator>(new klass(ps)); \
34  }}
35 
36 #endif /* artdaq_core_Generators_GeneratorMacros_hh */
std::unique_ptr< artdaq::FragmentGenerator > makeFunc_t(fhicl::ParameterSet const &ps)
Constructs a FragmentGenerator instance, and returns a pointer to it.