compilerplugins/clang/privatebase.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #ifndef LO_CLANG_SHARED_PLUGINS
  11
  12 #include "plugin.hxx"
  13
  14 namespace {
  15
  16 class PrivateBase:
  17     public loplugin::FilteringPlugin<PrivateBase>
  18 {
  19 public:
  20     explicit PrivateBase(loplugin::InstantiationData const & data): FilteringPlugin(data)
  21     {}
  22
  23     void run() override;
  24
  25     bool VisitCXXRecordDecl(CXXRecordDecl const * decl);
  26 };
  27
  28 void PrivateBase::run() {
  29     if (compiler.getLangOpts().CPlusPlus) {
  30         TraverseDecl(compiler.getASTContext().getTranslationUnitDecl());
  31     }
  32 }
  33
  34 bool PrivateBase::VisitCXXRecordDecl(CXXRecordDecl const * decl) {
  35     if (ignoreLocation(decl) || !decl->isThisDeclarationADefinition()
  36         || decl->getTagKind() != TTK_Class)
  37     {
  38         return true;
  39     }
  40     for (auto i = decl->bases_begin(); i != decl->bases_end(); ++i) {
  41         if (i->getAccessSpecifierAsWritten() == AS_none) {
  42             report(
  43                 DiagnosticsEngine::Warning,
  44                 "base class is private by default; explicitly give an access"
  45                     " specifier",
  46                 compat::getBeginLoc(i))
  47                 << i->getSourceRange();
  48         }
  49     }
  50     return true;
  51 }
  52
  53 loplugin::Plugin::Registration<PrivateBase> privatebase("privatebase");
  54
  55 }
  56
  57 #endif // LO_CLANG_SHARED_PLUGINS
  58
  59 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */