blob: 8f2c1f58546ed750d680fd865ca2db041573c7a9 (
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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
|
/* This testcase is part of GDB, the GNU debugger.
Copyright 1998-2014 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/>. */
extern "C" {
#include <stdio.h>
}
class A {
public:
A();
int foo (int x);
int bar (int y);
virtual int baz (int z);
char c;
int j;
int jj;
static int s;
};
class B {
public:
static int s;
};
int A::s = 10;
int B::s = 20;
A::A()
{
c = 'x';
j = 5;
}
int A::foo (int dummy)
{
j += 3;
return j + dummy;
}
int A::bar (int dummy)
{
int r;
j += 13;
r = this->foo(15);
return r + j + 2 * dummy;
}
int A::baz (int dummy)
{
int r;
j += 15;
r = this->foo(15);
return r + j + 12 * dummy;
}
int fum (int dummy)
{
return 2 + 13 * dummy;
}
typedef int (A::*PMF)(int);
typedef int A::*PMI;
/* This class is in front of the other base classes of Diamond, so
that we can detect if the offset for Left or the first Base is
added twice - otherwise it would be 2 * 0 == 0. */
class Padding
{
public:
int spacer;
virtual int vspacer();
};
int Padding::vspacer()
{
return this->spacer;
}
class Base
{
public:
int x;
int get_x();
virtual int vget_base ();
};
int Base::get_x ()
{
return this->x;
}
int Base::vget_base ()
{
return this->x + 1000;
}
class Left : public Base {
public:
virtual int vget ();
};
int Left::vget ()
{
return this->x + 100;
}
class Right : public Base {
public:
virtual int vget ();
};
int Right::vget ()
{
return this->x + 200;
}
class Diamond : public Padding, public Left, public Right
{
public:
virtual int vget_base ();
int (*func_ptr) (int);
};
int Diamond::vget_base ()
{
return this->Left::x + 2000;
}
int
func (int x)
{
return 19 + x;
}
int main ()
{
A a;
A * a_p;
PMF pmf;
PMF * pmf_p;
PMI pmi;
Diamond diamond;
int (Diamond::*left_pmf) ();
int (Diamond::*right_pmf) ();
int (Diamond::*left_vpmf) ();
int (Diamond::*left_base_vpmf) ();
int (Diamond::*right_vpmf) ();
int (Base::*base_vpmf) ();
int Diamond::*diamond_pmi;
int (* Diamond::*diamond_pfunc_ptr) (int);
PMI null_pmi;
PMF null_pmf;
a.j = 121;
a.jj = 1331;
int k;
a_p = &a;
pmi = &A::j;
pmf = &A::bar;
pmf_p = &pmf;
diamond.Left::x = 77;
diamond.Right::x = 88;
diamond.func_ptr = func;
/* Some valid pointer to members from a base class. */
left_pmf = (int (Diamond::*) ()) (int (Left::*) ()) (&Base::get_x);
right_pmf = (int (Diamond::*) ()) (int (Right::*) ()) (&Base::get_x);
left_vpmf = &Left::vget;
left_base_vpmf = (int (Diamond::*) ()) (int (Left::*) ()) (&Base::vget_base);
right_vpmf = &Right::vget;
/* An unspecified, value preserving pointer to member cast. */
base_vpmf = (int (Base::*) ()) (int (Left::*) ()) &Diamond::vget_base;
/* A pointer to data member from a base class. */
diamond_pmi = (int Diamond::*) (int Left::*) &Base::x;
/* A pointer to data member, where the member is itself a pointer to
a function. */
diamond_pfunc_ptr = (int (* Diamond::*) (int)) &Diamond::func_ptr;
null_pmi = NULL;
null_pmf = NULL;
pmi = NULL; /* Breakpoint 1 here. */
(diamond.*diamond_pfunc_ptr) (20);
k = (a.*pmf)(3);
pmi = &A::jj;
pmf = &A::foo;
pmf_p = &pmf;
k = (a.*pmf)(4);
k = (a.**pmf_p)(5);
k = a.*pmi;
k = a.bar(2);
k += fum (4);
B b;
k += b.s;
}
|
GitWeb