Function isCStyleStruct

lib/utils/ASTUtil.cpp:206–240

}

bool isCStyleStruct(const clang::RecordDecl &D) {

  // 1. Can be called without any arguments.
  // 2. Has no private members.
  if (!llvm::isa<clang::CXXRecordDecl>(&D))
    return true;
  auto &CRD = *llvm::dyn_cast<clang::CXXRecordDecl>(&D);

  for (auto *Field : CRD.fields()) {
    assert(Field && "Unexpected Program State");

    if (Field->getAccess() != clang::AS_public)
      return false;
  }

  bool HasNoParamConstructor = false;
  if (CRD.getDefinition())
    HasNoParamConstructor = CRD.hasDefaultConstructor();

  for (auto *Method : CRD.methods()) {
    assert(Method && "Unexpected Program State");

    if (Method->getAccess() != clang::AS_public)
      return false;

    if (!llvm::isa<clang::CXXConstructorDecl>(Method))
      continue;
    auto &CRD = *llvm::dyn_cast<clang::CXXConstructorDecl>(Method);

    if (CRD.getNumParams() == 0)
      HasNoParamConstructor = true;
  }

  return HasNoParamConstructor;
}

bool isCStyleStruct(const clang::TagDecl &D) {