blob: 1091f848217f25fd4ad58d171cf2bbafdd7cb4be (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
/* 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 */
}
|
