compilerplugins/clang/test/simplifydynamiccast.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 struct ClassA
  11 {
  12     virtual ~ClassA() {}
  13 };
  14
  15 struct ClassB : public ClassA
  16 {
  17     void foo() {}
  18 };
  19
  20 void f1(ClassA* p1)
  21 {
  22     if (dynamic_cast<ClassB*>(p1)) // expected-note {{if here [loplugin:simplifydynamiccast]}}
  23     {
  24         static_cast<ClassB*>(p1)
  25             ->foo(); // expected-error@-1 {{simplify, use var in if [loplugin:simplifydynamiccast]}}
  26     }
  27     if (dynamic_cast<ClassB*>(p1) != nullptr)
  28     { // expected-note@-1 {{if here [loplugin:simplifydynamiccast]}}
  29         static_cast<ClassB*>(p1)
  30             ->foo(); // expected-error@-1 {{simplify, use var in if [loplugin:simplifydynamiccast]}}
  31     }
  32 };
  33
  34 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */