Commit 78fea805 authored by Simon Spannagel's avatar Simon Spannagel
Browse files

DepositionGeant4: check for possible nullptr dereference

parent 756c1994

src/modules/DepositionGeant4/GeneratorActionG4.cpp

+15 −9
Original line number Diff line number Diff line
@@ -238,6 +238,8 @@ GeneratorActionG4::GeneratorActionG4(const Configuration& config) 
 * Called automatically for every event

 */

void GeneratorActionG4::GeneratePrimaries(G4Event* event) {



    // G4IonTable is only ready after initialization, so we need to pick the particle here and assign it to the source:

    if(initialize_ion_as_particle_) {

        auto* single_source = particle_source_->GetCurrentSource();

        G4ParticleDefinition* particle = nullptr;
@@ -283,6 +285,7 @@ void GeneratorActionG4::GeneratePrimaries(G4Event* event) { 
            }

        }



        if(particle != nullptr) {

            // Set global parameters of the source

            single_source->SetNumberOfParticles(1);

            single_source->SetParticleDefinition(particle);
@@ -294,6 +297,9 @@ void GeneratorActionG4::GeneratePrimaries(G4Event* event) { 


            LOG(DEBUG) << "Using ion " << particle->GetParticleName() << " (ID " << particle->GetPDGEncoding() << ") with "

                       << Units::display(particle->GetPDGLifeTime(), {"s", "ns"}) << " lifetime.";

        } else {

            throw InvalidValueError(config_, "particle_type", "failed to fetch or create ion.");

        }

    }



    particle_source_->GeneratePrimaryVertex(event);