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 #ifndef LO_CLANG_SHARED_PLUGINS
  11
  12 #include "check.hxx"
  13 #include "plugin.hxx"
  14
  15 namespace
  16 {
  17 class StdFunction final : public loplugin::FilteringPlugin<StdFunction>
  18 {
  19 public:
  20     explicit StdFunction(loplugin::InstantiationData const& data)
  21         : FilteringPlugin(data)
  22     {
  23     }
  24
  25     bool VisitFunctionDecl(FunctionDecl const* decl)
  26     {
  27         if (ignoreLocation(decl))
  28         {
  29             return true;
  30         }
  31         if (!loplugin::ContextCheck(decl->getDeclContext()).StdOrNestedNamespace())
  32         {
  33             return true;
  34         }
  35         report(DiagnosticsEngine::Warning,
  36                ("Do not declare a %select{function|function template|member function template"
  37                 " specialization|function template specialization}0 in namespace 'std'"),
  38                decl->getLocation())
  39             << decl->getTemplatedKind() << decl->getSourceRange();
  40         return true;
  41     }
  42
  43 private:
  44     void run() override { TraverseDecl(compiler.getASTContext().getTranslationUnitDecl()); }
  45 };
  46
  47 static loplugin::Plugin::Registration<StdFunction> X("stdfunction");
  48 }
  49
  50 #endif // LO_CLANG_SHARED_PLUGINS
  51
  52 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */