| /* This testcase is part of GDB, the GNU debugger. |
| |
| Copyright 2014-2016 Free Software Foundation, Inc. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| |
| /* One could use unique_ptr instead, but that requires a GCC which can |
| support "-std=c++11". */ |
| |
| template <typename T> |
| class smart_ptr |
| { |
| public: |
| smart_ptr (T *obj) : _obj (obj) { } |
| ~smart_ptr () { delete _obj; } |
| |
| T *operator-> (); |
| |
| private: |
| T *_obj; |
| }; |
| |
| template <typename T> |
| T * |
| smart_ptr<T>::operator-> () |
| { |
| return _obj; |
| } |
| |
| class A |
| { |
| public: |
| virtual int func (); |
| }; |
| |
| int |
| A::func () |
| { |
| return 3; |
| } |
| |
| int |
| main () |
| { |
| A *a_ptr = 0; |
| smart_ptr<A> a (new A); |
| |
| return a->func(); /* Break here */ |
| } |