ConvertException.h

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#ifndef FWCore_Utilities_ConvertException_h
#define FWCore_Utilities_ConvertException_h

#include <string>
#include <exception>
#include <functional>
#include "FWCore/Utilities/interface/Exception.h"
#include "FWCore/Utilities/interface/thread_safety_macros.h"

namespace edm {
  namespace convertException {
    void badAllocToEDM();
    void stdToEDM(std::exception const& e);
    void stringToEDM(std::string& s);
    void charPtrToEDM(char const* c);
    void unknownToEDM();

    template <typename F>
    auto wrap(F iFunc) -> decltype(iFunc()) {
      // Caught exception is rethrown
      CMS_SA_ALLOW try { return iFunc(); } catch (cms::Exception&) {
        throw;
      } catch (std::bad_alloc&) {
        convertException::badAllocToEDM();
      } catch (std::exception& e) {
        convertException::stdToEDM(e);
      } catch (std::string& s) {
        convertException::stringToEDM(s);
      } catch (char const* c) {
        convertException::charPtrToEDM(c);
      } catch (...) {
        convertException::unknownToEDM();
      }
      //Never gets here
      typedef decltype(iFunc()) ReturnType;
      return ReturnType();
    }
  }  // namespace convertException
}  // namespace edm

#endif