xref: /netbsd-src/external/gpl3/gdb/dist/gdb/testsuite/gdb.cp/overload.cc (revision 4b169a6ba595ae283ca507b26b15fdff40495b1c)
1 #include <stddef.h>
2 
3 class foo {
4 public:
5   foo  (int);
6   foo  (int, const char *);
7   foo  (foo&);
8   ~foo ();
9   void foofunc (int);
10   void foofunc (int, signed char *);
11   int ifoo;
12   const char *ccpfoo;
13 
14 int overload1arg (void);
15 int overload1arg (char);
16 int overload1arg (signed char);
17 int overload1arg (unsigned char);
18 int overload1arg (short);
19 int overload1arg (unsigned short);
20 int overload1arg (int);
21 int overload1arg (unsigned int);
22 int overload1arg (long);
23 int overload1arg (unsigned long);
24 int overload1arg (float);
25 int overload1arg (double);
26 
27 int overload1arg (int*);
28 int overload1arg (void*);
29 
30 int overloadfnarg (void);
31 int overloadfnarg (int);
32 int overloadfnarg (int, int (*) (int));
33 
34 int overloadargs (int a1);
35 int overloadargs (int a1, int a2);
36 int overloadargs (int a1, int a2, int a3);
37 int overloadargs (int a1, int a2, int a3, int a4);
38 int overloadargs (int a1, int a2, int a3, int a4, int a5);
39 int overloadargs (int a1, int a2, int a3, int a4, int a5, int a6);
40 int overloadargs (int a1, int a2, int a3, int a4, int a5, int a6, int a7);
41 int overloadargs (int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8);
42 int overloadargs (int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8, int a9);
43 int overloadargs (int a1, int a2, int a3, int a4, int a5, int a6, int a7,
44                    int a8, int a9, int a10);
45 int overloadargs (int a1, int a2, int a3, int a4, int a5, int a6, int a7,
46                    int a8, int a9, int a10, int a11);
47 
48 };
49 
50 struct K {
51   static int staticoverload ();
52   static int staticoverload (int);
53   static int staticoverload (int, int);
54 };
55 
56 namespace N {
nsoverload()57   int nsoverload () { return 1; }
nsoverload(int x)58   int nsoverload (int x) { return x; }
nsoverload(int x,int y)59   int nsoverload (int x, int y) { return x + y; }
60 };
61 
intToChar(char c)62 int intToChar (char c) { return 297; }
63 
marker1()64 void marker1()
65 {}
66 
67 // Now test how overloading and namespaces interact.
68 
69 class dummyClass {};
70 
71 dummyClass dummyInstance;
72 
overloadNamespace(int i)73 int overloadNamespace(int i)
74 {
75   return 1;
76 }
77 
overloadNamespace(dummyClass d)78 int overloadNamespace(dummyClass d)
79 {
80   return 2;
81 }
82 
83 namespace XXX {
overloadNamespace(char c)84   int overloadNamespace (char c)
85   {
86     return 3;
87   }
88 
marker2()89   void marker2() {}
90 }
91 
92 class A {};
93 class B: public A {};
94 class C: public B {};
95 class D: C {};
96 class E {};
97 class F {};
98 
bar(A)99 int bar (A) { return 11; }
bar(B)100 int bar (B) { return 22; }
101 
bar2(E &,A &)102 int bar2 (E &, A &) { return 33; }
bar2(F &,B &)103 int bar2 (F &, B &) { return 44; }
104 
intintfunc(int x)105 int intintfunc (int x) { return x; }
106 
main()107 int main ()
108 {
109     char arg2 = 2;
110     signed char arg3 =3;
111     unsigned char arg4 =4;
112     short arg5 =5;
113     unsigned short arg6 =6;
114     int arg7 =7;
115     unsigned int arg8 =8;
116     long arg9 =9;
117     unsigned long arg10 =10;
118     float arg11 =100.0;
119     double arg12 = 200.0;
120     int arg13 = 200;
121     char arg14 = 'a';
122 
123     A a;
124     B b;
125     C c;
126     D d;
127     E e;
128     F f;
129 
130     bar (a);
131     bar (b);
132     bar (c);
133 
134     bar2 (e, b);
135     bar2 (f, b);
136 
137     char *str = (char *) "A";
138     foo foo_instance1(111);
139     foo foo_instance2(222, str);
140     foo foo_instance3(foo_instance2);
141 
142     // Some calls to ensure all the functions are emitted.
143     K::staticoverload();
144     K::staticoverload(2);
145     K::staticoverload(2, 3);
146     N::nsoverload();
147     N::nsoverload(2);
148     N::nsoverload(2, 3);
149 
150     overloadNamespace (1);
151     overloadNamespace (dummyInstance);
152     XXX::overloadNamespace ('a');
153 
154     // Verify that intToChar should work:
155     intToChar(1);
156 
157     marker1(); // marker1-returns-here
158     XXX::marker2(); // marker1-returns-here
159 
160     return 0;
161 }
162 
foo(int i)163 foo::foo  (int i)                  { ifoo = i; ccpfoo = NULL; }
foo(int i,const char * ccp)164 foo::foo  (int i, const char *ccp) { ifoo = i; ccpfoo = ccp; }
foo(foo & afoo)165 foo::foo  (foo& afoo)              { ifoo = afoo.ifoo; ccpfoo = afoo.ccpfoo;}
~foo()166 foo::~foo ()                       {}
167 
168 
169 /* Some functions to test overloading by varying one argument type. */
170 
overload1arg(void)171 int foo::overload1arg (void)                {  return 1; }
overload1arg(char arg)172 int foo::overload1arg (char arg)            { arg = 0; return 2;}
overload1arg(signed char arg)173 int foo::overload1arg (signed char arg)     { arg = 0; return 3;}
overload1arg(unsigned char arg)174 int foo::overload1arg (unsigned char arg)   { arg = 0; return 4;}
overload1arg(short arg)175 int foo::overload1arg (short arg)           { arg = 0; return 5;}
overload1arg(unsigned short arg)176 int foo::overload1arg (unsigned short arg)  { arg = 0; return 6;}
overload1arg(int arg)177 int foo::overload1arg (int arg)             { arg = 0; return 7;}
overload1arg(unsigned int arg)178 int foo::overload1arg (unsigned int arg)    { arg = 0; return 8;}
overload1arg(long arg)179 int foo::overload1arg (long arg)            { arg = 0; return 9;}
overload1arg(unsigned long arg)180 int foo::overload1arg (unsigned long arg)   { arg = 0; return 10;}
overload1arg(float arg)181 int foo::overload1arg (float arg)           { arg = 0; return 11;}
overload1arg(double arg)182 int foo::overload1arg (double arg)          { arg = 0; return 12;}
overload1arg(int * arg)183 int foo::overload1arg (int* arg)            { arg = 0; return 13;}
overload1arg(void * arg)184 int foo::overload1arg (void* arg)           { arg = 0; return 14;}
185 
186 /* Test to see that we can explicitly request overloaded functions
187    with function pointers in the prototype. */
188 
overloadfnarg(void)189 int foo::overloadfnarg (void) { return ifoo * 20; }
overloadfnarg(int arg)190 int foo::overloadfnarg (int arg) { arg = 0; return 13;}
overloadfnarg(int arg,int (* foo)(int))191 int foo::overloadfnarg (int arg, int (*foo) (int))    { return foo(arg); }
192 
193 /* Some functions to test overloading by varying argument count. */
194 
overloadargs(int a1)195 int foo::overloadargs (int a1)
196 { a1 = 0;
197 return 1;}
198 
overloadargs(int a1,int a2)199 int foo::overloadargs (int a1, int a2)
200 { a1 = a2 = 0;
201 return 2;}
202 
overloadargs(int a1,int a2,int a3)203 int foo::overloadargs (int a1, int a2, int a3)
204 { a1 = a2 = a3 = 0;
205 return 3;}
206 
overloadargs(int a1,int a2,int a3,int a4)207 int foo::overloadargs (int a1, int a2, int a3, int a4)
208 { a1 = a2 = a3 = a4 = 0;
209 return 4;}
210 
overloadargs(int a1,int a2,int a3,int a4,int a5)211 int foo::overloadargs (int a1, int a2, int a3, int a4, int a5)
212 { a1 = a2 = a3 = a4 = a5 = 0;
213 return 5;}
214 
overloadargs(int a1,int a2,int a3,int a4,int a5,int a6)215 int foo::overloadargs (int a1, int a2, int a3, int a4, int a5, int a6)
216 { a1 = a2 = a3 = a4 = a5 = a6 = 0;
217 return 6;}
218 
overloadargs(int a1,int a2,int a3,int a4,int a5,int a6,int a7)219 int foo::overloadargs (int a1, int a2, int a3, int a4, int a5, int a6, int a7)
220 { a1 = a2 = a3 = a4 = a5 = a6 = a7 = 0;
221 return 7;}
222 
overloadargs(int a1,int a2,int a3,int a4,int a5,int a6,int a7,int a8)223 int foo::overloadargs (int a1, int a2, int a3, int a4, int a5, int a6, int a7,
224                    int a8)
225 { a1 = a2 = a3 = a4 = a5 = a6 = a7 = a8 = 0;
226 return 8;}
227 
overloadargs(int a1,int a2,int a3,int a4,int a5,int a6,int a7,int a8,int a9)228 int foo::overloadargs (int a1, int a2, int a3, int a4, int a5, int a6, int a7,
229                    int a8, int a9)
230 {
231   a1 = a2 = a3 = a4 = a5 = a6 = a7 = a8 = a9 = 0;
232   return 9;
233 }
234 
overloadargs(int a1,int a2,int a3,int a4,int a5,int a6,int a7,int a8,int a9,int a10)235 int foo::overloadargs (int a1, int a2, int a3, int a4, int a5, int a6, int a7,
236                    int a8, int a9, int a10)
237                         { a1 = a2 = a3 = a4 = a5 = a6 = a7 = a8 = a9 =
238                           a10 = 0; return 10;}
239 
overloadargs(int a1,int a2,int a3,int a4,int a5,int a6,int a7,int a8,int a9,int a10,int a11)240 int foo::overloadargs (int a1, int a2, int a3, int a4, int a5, int a6, int a7,
241                    int a8, int a9, int a10, int a11)
242                         { a1 = a2 = a3 = a4 = a5 = a6 = a7 = a8 = a9 =
243                           a10 = a11 = 0; return 11;}
244 
245 
246 
staticoverload()247 int K::staticoverload () { return 1; }
staticoverload(int x)248 int K::staticoverload (int x) { return x; }
staticoverload(int x,int y)249 int K::staticoverload (int x, int y) { return x + y; }
250