aboutsummaryrefslogtreecommitdiff
path: root/gdb/testsuite/gdb.cp/overload.cc
blob: ba0678f496787b4d2de504d854aad4fda9796f97 (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
234
235
236
237
#include <stddef.h>

class foo {
public:
  foo  (int);
  foo  (int, const char *);
  foo  (foo&);
  ~foo ();
  void foofunc (int);
  void foofunc (int, signed char *);
  int ifoo;
  const char *ccpfoo;

int overload1arg (void);
int overload1arg (char);         
int overload1arg (signed char);
int overload1arg (unsigned char);
int overload1arg (short);
int overload1arg (unsigned short);
int overload1arg (int);
int overload1arg (unsigned int);
int overload1arg (long);
int overload1arg (unsigned long);
int overload1arg (float);
int overload1arg (double);

int overload1arg (int*);
int overload1arg (void*);

int overloadfnarg (void);
int overloadfnarg (int);
int overloadfnarg (int, int (*) (int));

int overloadargs (int a1);
int overloadargs (int a1, int a2);
int overloadargs (int a1, int a2, int a3);
int overloadargs (int a1, int a2, int a3, int a4);
int overloadargs (int a1, int a2, int a3, int a4, int a5);
int overloadargs (int a1, int a2, int a3, int a4, int a5, int a6);
int overloadargs (int a1, int a2, int a3, int a4, int a5, int a6, int a7);
int overloadargs (int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8);
int overloadargs (int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8, int a9);
int overloadargs (int a1, int a2, int a3, int a4, int a5, int a6, int a7,
                   int a8, int a9, int a10);
int overloadargs (int a1, int a2, int a3, int a4, int a5, int a6, int a7,
                   int a8, int a9, int a10, int a11);

};

struct K {
  static int staticoverload ();
  static int staticoverload (int);
  static int staticoverload (int, int);
};

namespace N {
  int nsoverload () { return 1; }
  int nsoverload (int x) { return x; }
  int nsoverload (int x, int y) { return x + y; }
};

int intToChar (char c) { return 297; }

void marker1()
{}

// Now test how overloading and namespaces interact.

class dummyClass {};

dummyClass dummyInstance;

int overloadNamespace(int i)
{
  return 1;
}

int overloadNamespace(dummyClass d)
{
  return 2;
}

namespace XXX {
  int overloadNamespace (char c)
  {
    return 3;
  }

  void marker2() {}
}

class A {};
class B: public A {};
class C: public B {};
class D: C {};

int bar (A) { return 11; }
int bar (B) { return 22; }

int main () 
{
    char arg2 = 2;
    signed char arg3 =3;
    unsigned char arg4 =4;
    short arg5 =5;
    unsigned short arg6 =6;
    int arg7 =7;
    unsigned int arg8 =8;
    long arg9 =9;
    unsigned long arg10 =10;
    float arg11 =100.0;
    double arg12 = 200.0;
    int arg13 = 200;
    char arg14 = 'a';

    A a;
    B b;
    C c;
    D d;

    bar (a);
    bar (b);
    bar (c);

    char *str = (char *) "A";
    foo foo_instance1(111);
    foo foo_instance2(222, str);
    foo foo_instance3(foo_instance2);

    // Some calls to ensure all the functions are emitted.
    K::staticoverload();
    K::staticoverload(2);
    K::staticoverload(2, 3);
    N::nsoverload();
    N::nsoverload(2);
    N::nsoverload(2, 3);

    overloadNamespace (1);
    overloadNamespace (dummyInstance);
    XXX::overloadNamespace ('a');

    // Verify that intToChar should work:
    intToChar(1);

    marker1(); // marker1-returns-here
    XXX::marker2(); // marker1-returns-here

    return 0;
}

foo::foo  (int i)                  { ifoo = i; ccpfoo = NULL; }
foo::foo  (int i, const char *ccp) { ifoo = i; ccpfoo = ccp; }
foo::foo  (foo& afoo)              { ifoo = afoo.ifoo; ccpfoo = afoo.ccpfoo;}
foo::~foo ()                       {}


/* Some functions to test overloading by varying one argument type. */

int foo::overload1arg (void)                {  return 1; }
int foo::overload1arg (char arg)            { arg = 0; return 2;}
int foo::overload1arg (signed char arg)     { arg = 0; return 3;}
int foo::overload1arg (unsigned char arg)   { arg = 0; return 4;}
int foo::overload1arg (short arg)           { arg = 0; return 5;}
int foo::overload1arg (unsigned short arg)  { arg = 0; return 6;}
int foo::overload1arg (int arg)             { arg = 0; return 7;}
int foo::overload1arg (unsigned int arg)    { arg = 0; return 8;}
int foo::overload1arg (long arg)            { arg = 0; return 9;}
int foo::overload1arg (unsigned long arg)   { arg = 0; return 10;}
int foo::overload1arg (float arg)           { arg = 0; return 11;}
int foo::overload1arg (double arg)          { arg = 0; return 12;}
int foo::overload1arg (int* arg)            { arg = 0; return 13;}
int foo::overload1arg (void* arg)           { arg = 0; return 14;}

/* Test to see that we can explicitly request overloaded functions
   with function pointers in the prototype. */

int foo::overloadfnarg (void) { return ifoo * 20; }
int foo::overloadfnarg (int arg) { arg = 0; return 13;}
int foo::overloadfnarg (int arg, int (*foo) (int))    { return foo(arg); } 

/* Some functions to test overloading by varying argument count. */

int foo::overloadargs (int a1)                 
{ a1 = 0; 
return 1;}

int foo::overloadargs (int a1, int a2)          
{ a1 = a2 = 0; 
return 2;}

int foo::overloadargs (int a1, int a2, int a3)              
{ a1 = a2 = a3 = 0; 
return 3;}

int foo::overloadargs (int a1, int a2, int a3, int a4)
{ a1 = a2 = a3 = a4 = 0; 
return 4;}

int foo::overloadargs (int a1, int a2, int a3, int a4, int a5)
{ a1 = a2 = a3 = a4 = a5 = 0; 
return 5;}

int foo::overloadargs (int a1, int a2, int a3, int a4, int a5, int a6)
{ a1 = a2 = a3 = a4 = a5 = a6 = 0; 
return 6;}

int foo::overloadargs (int a1, int a2, int a3, int a4, int a5, int a6, int a7)
{ a1 = a2 = a3 = a4 = a5 = a6 = a7 = 0; 
return 7;}

int foo::overloadargs (int a1, int a2, int a3, int a4, int a5, int a6, int a7,
                   int a8)
{ a1 = a2 = a3 = a4 = a5 = a6 = a7 = a8 = 0; 
return 8;}

int foo::overloadargs (int a1, int a2, int a3, int a4, int a5, int a6, int a7,
                   int a8, int a9)
{ 
  a1 = a2 = a3 = a4 = a5 = a6 = a7 = a8 = a9 = 0; 
  return 9;
}

int foo::overloadargs (int a1, int a2, int a3, int a4, int a5, int a6, int a7,
                   int a8, int a9, int a10)
                        { a1 = a2 = a3 = a4 = a5 = a6 = a7 = a8 = a9 =
                          a10 = 0; return 10;}

int foo::overloadargs (int a1, int a2, int a3, int a4, int a5, int a6, int a7,
                   int a8, int a9, int a10, int a11)
                        { a1 = a2 = a3 = a4 = a5 = a6 = a7 = a8 = a9 =
                          a10 = a11 = 0; return 11;}



int K::staticoverload () { return 1; }
int K::staticoverload (int x) { return x; }
int K::staticoverload (int x, int y) { return x + y; }