compilerplugins/clang/staticanonymous.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  * Based on LLVM/Clang.
   6  *
   7  */
   8 #include "plugin.hxx"
   9
  10 /*
  11 This is a compile check.
  12
  13 Warns about functions with static keyword in an unnamed namespace.
  14 */
  15
  16 namespace loplugin
  17 {
  18
  19 class StaticAnonymous
  20     : public loplugin::FilteringPlugin<StaticAnonymous>
  21     {
  22     public:
  23         explicit StaticAnonymous( const InstantiationData& data );
  24         virtual void run() override;
  25         bool VisitFunctionDecl( FunctionDecl* func );
  26
  27     };
  28
  29 StaticAnonymous::StaticAnonymous( const InstantiationData& data )
  30     : FilteringPlugin( data )
  31     {
  32     }
  33
  34 void StaticAnonymous::run()
  35     {
  36     TraverseDecl( compiler.getASTContext().getTranslationUnitDecl());
  37     }
  38
  39
  40 bool StaticAnonymous::VisitFunctionDecl( FunctionDecl* func )
  41
  42     {
  43     if( ignoreLocation( func ) )
  44         return true;
  45     if( func -> isInAnonymousNamespace () )
  46     {
  47       if ( !isa<CXXMethodDecl>(func) && !func->isInExternCContext() )
  48          {
  49             if(func-> getStorageClass() == SC_Static)
  50                {
  51                     report( DiagnosticsEngine::Warning,
  52                         "redundant 'static' keyword in unnamed namespace",
  53                         compat::getBeginLoc(func));
  54                }
  55          }
  56     }
  57
  58     return true;
  59     }
  60
  61 // Register the plugin action with the LO plugin handling.
  62 static Plugin::Registration< StaticAnonymous > X( "staticanonymous",true);
  63
  64 } // namespace
  65
  66 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */