Method copyMutationPointerType

lib/generation/ProtobufMutator.cpp:119–158

}

std::string ProtobufMutator::copyMutationPointerType(const Type &MutationType,
                                                     const FuzzInput &Input) {
  assert(MutationType.isPointerType() && "Unexpected Program State");
  std::string Code;
  auto InputDef = Input.getDef();
  auto LocalVarName = Input.getProtoVarName();
  // Base type can not be single ptr Array or String
  auto MutationVal = getProtoVarVal(LocalVarName);
  auto MutationValBegin = MutationVal + ".begin()";
  auto MutationSize = getProtoVarValSize(LocalVarName);
  if (InputDef.FilePath) {
    Code += saveMutationToFile(LocalVarName);
  } else if (MutationType.isFixedLengthArrayPtr()) {
    auto FuzzArrSize = util::getAvasFuzzSizeVarName(Input.getFuzzVarName());
    auto ArrLength =
        std::to_string(MutationType.getArrayInfo()->getMaxLength());
    // Mutation array can be smaller than fuzz var array
    Code += SrcGenerator::genAssignStmtWithMaxCheck(FuzzArrSize, ArrLength,
                                                    MutationSize);
    // Array copy
    if (MutationType.getPointeeType()->isEnumType()) { // needs type casting
      Code += "for(int i=0;i<" + FuzzArrSize + ";++i) {" + LocalVarName +
              "[i]=static_cast<" +
              MutationType.getPointeeType()->getTypeName() + ">(" +
              MutationVal + "[i]);}";
    } else {
      addHeader("<algorithm>");
      Code += "std::copy(" + MutationValBegin + ", " + MutationValBegin +
              " + " + FuzzArrSize + ", " + LocalVarName + ");";
    }
  } else if (MutationType.isStringType()) {
    auto StrVal = SrcGenerator::genStrToCStr(MutationVal);
    auto OrgTypeName =
        util::stripConstExpr(MutationType.getPointeeType()->getASTTypeName());
    if (OrgTypeName.compare("char") != 0)
      StrVal = "reinterpret_cast<" + OrgTypeName + "*>(" + StrVal + ")";
    Code += SrcGenerator::genAssignStmt(LocalVarName, StrVal);
  }
  return Code;
}

std::string ProtobufMutator::copyMutationPrimitiveType(const Type &MutationType,
                                                       const FuzzInput &Input) {