compilerplugins/clang/stdfunction.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
   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 #include "check.hxx"
  11 #include "plugin.hxx"
  12
  13 namespace
  14 {
  15 class StdFunction final : public loplugin::FilteringPlugin<StdFunction>
  16 {
  17 public:
  18     explicit StdFunction(loplugin::InstantiationData const& data)
  19         : FilteringPlugin(data)
  20     {
  21     }
  22
  23     bool VisitFunctionDecl(FunctionDecl const* decl)
  24     {
  25         if (ignoreLocation(decl))
  26         {
  27             return true;
  28         }
  29         if (!loplugin::ContextCheck(decl->getDeclContext()).StdOrNestedNamespace())
  30         {
  31             return true;
  32         }
  33         report(DiagnosticsEngine::Warning,
  34                ("Do not declare a %select{function|function template|member function template"
  35                 " specialization|function template specialization}0 in namespace 'std'"),
  36                decl->getLocation())
  37             << decl->getTemplatedKind() << decl->getSourceRange();
  38         return true;
  39     }
  40
  41 private:
  42     void run() override { TraverseDecl(compiler.getASTContext().getTranslationUnitDecl()); }
  43 };
  44
  45 static loplugin::Plugin::Registration<StdFunction> X("stdfunction");
  46 }
  47
  48 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */