include/o3tl/deleter.hxx

   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 INCLUDED_O3TL_DELETER_HXX
  11 #define INCLUDED_O3TL_DELETER_HXX
  12
  13 #include <com/sun/star/uno/Exception.hpp>
  14 #include <sal/log.hxx>
  15
  16 namespace o3tl {
  17
  18 /** To markup std::unique_ptr that coverity warns might throw exceptions
  19     which won't throw in practice, or where std::terminate is
  20     an acceptable response if they do
  21 */
  22 template<typename T> struct default_delete
  23 {
  24     void operator() (T* p) noexcept
  25     {
  26 #if defined(__COVERITY__)
  27         try
  28         {
  29             delete p;
  30         }
  31         catch (const css::uno::Exception&)
  32         {
  33             SAL_WARN("vcl.app", "Fatal exception: " << exceptionToString(ex));
  34             std::terminate();
  35         }
  36         catch (const std::exception& e)
  37         {
  38             SAL_WARN("vcl.app", "Fatal exception: " << e.what());
  39             std::terminate();
  40         }
  41 #else
  42         delete p;
  43 #endif
  44     }
  45 };
  46
  47 template<typename uniqueptr> void reset_preserve_ptr_during(uniqueptr& ptr)
  48 {
  49     // HACK: for the case where the dtor of the obj held by ptr will trigger
  50     // functions which expect ptr to still be set during the dtor.
  51     // e.g. SdrObject::GetBroadcaster() is called during the destructor
  52     // in SdrEdgeObj::Notify(). So delete first, then clear the pointer
  53     delete ptr.get();
  54     (void)ptr.release();
  55 }
  56
  57 }
  58
  59 #endif
  60
  61 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */