48 enum class Mutation : uint8_t {  enum
59 using MutationBitset = std::bitset<static_cast<size_t>(Mutation::Last) + 1>;
179 // Selects random field and mutation from the given proto message.
192   // Returns selected mutation.
193   Mutation mutation() const { return sampler_.selected().mutation; }  in mutation()  function in protobuf_mutator::__anonab369fae0111::MutationSampler
197     assert(mutation() != Mutation::None ||  in Sample()
198            !allowed_mutations_[static_cast<size_t>(Mutation::Mutate)] ||  in Sample()
220               Try({message, add_field}, Mutation::Add);  in SampleImpl()
221               Try({message, add_field}, Mutation::Clone);  in SampleImpl()
228               Try({message, current_field}, Mutation::Mutate);  in SampleImpl()
229             Try({message, current_field}, Mutation::Delete);  in SampleImpl()
230             Try({message, current_field}, Mutation::Copy);  in SampleImpl()
237           Try({message, field, random_index}, Mutation::Add);  in SampleImpl()
238           Try({message, field, random_index}, Mutation::Clone);  in SampleImpl()
243               Try({message, field, random_index}, Mutation::Mutate);  in SampleImpl()
244             Try({message, field, random_index}, Mutation::Delete);  in SampleImpl()
245             Try({message, field, random_index}, Mutation::Copy);  in SampleImpl()
251               Try({message, field}, Mutation::Mutate);  in SampleImpl()
254               Try({message, field}, Mutation::Delete);  in SampleImpl()
256             Try({message, field}, Mutation::Copy);  in SampleImpl()
258             Try({message, field}, Mutation::Add);  in SampleImpl()
259             Try({message, field}, Mutation::Clone);  in SampleImpl()
276   void Try(const FieldInstance& field, Mutation mutation) {  in Try()  argument
277     assert(mutation != Mutation::None);  in Try()
278     if (!allowed_mutations_[static_cast<size_t>(mutation)]) return;  in Try()
279     sampler_.Try(kDefaultMutateWeight, {field, mutation});  in Try()
289     Result(const FieldInstance& f, Mutation m) : field(f), mutation(m) {}  in Result()
292     Mutation mutation = Mutation::None;  member
692     mutations[static_cast<size_t>(Mutation::Copy)] = true;  in MutateImpl()
693     mutations[static_cast<size_t>(Mutation::Clone)] = true;  in MutateImpl()
695     mutations[static_cast<size_t>(Mutation::Delete)] = true;  in MutateImpl()
698     mutations[static_cast<size_t>(Mutation::Copy)] = false;  in MutateImpl()
699     mutations[static_cast<size_t>(Mutation::Clone)] = false;  in MutateImpl()
702     MutationSampler mutation(keep_initialized_, mutations, &random_);  in MutateImpl()  local
703     for (Message* message : messages) mutation.Sample(message);  in MutateImpl()
705     switch (mutation.mutation()) {  in MutateImpl()
706       case Mutation::None:  in MutateImpl()
708       case Mutation::Add:  in MutateImpl()
709         CreateField()(mutation.field(), size_increase_hint, sources, this);  in MutateImpl()
711       case Mutation::Mutate:  in MutateImpl()
712         MutateField()(mutation.field(), size_increase_hint, sources, this);  in MutateImpl()
714       case Mutation::Delete:  in MutateImpl()
715         DeleteField()(mutation.field());  in MutateImpl()
717       case Mutation::Clone: {  in MutateImpl()
718         CreateDefaultField()(mutation.field());  in MutateImpl()
719         DataSourceSampler source_sampler(mutation.field(), &random_,  in MutateImpl()
723           if (!IsProto3SimpleField(*mutation.field().descriptor()))  in MutateImpl()
727         CopyField()(source_sampler.field(), mutation.field());  in MutateImpl()
730       case Mutation::Copy: {  in MutateImpl()
731         DataSourceSampler source_sampler(mutation.field(), &random_,  in MutateImpl()
735         CopyField()(source_sampler.field(), mutation.field());  in MutateImpl()
739         assert(false && "unexpected mutation");  in MutateImpl()
743     // Don't try same mutation next time.  in MutateImpl()
744     mutations[static_cast<size_t>(mutation.mutation())] = false;  in MutateImpl()