gdb/testsuite/gdb.cp/cpexprs.cc

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2008-2019 Free Software Foundation, Inc.
   4
   5    Contributed by Red Hat, originally written by Keith Seitz.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19
  20    Please email any bugs, comments, and/or additions to this file to:
  21    bug-gdb@gnu.org  */
  22
  23 #include <stdlib.h>
  24 #include <iostream>
  25
  26 // Forward decls
  27 class base;
  28 class derived;
  29
  30 // A simple template with specializations
  31 template <typename T>
  32 class tclass
  33 {
  34 public:
  35   void do_something () { } // tclass<T>::do_something
  36 };
  37
  38 template <>
  39 void tclass<char>::do_something () { } // tclass<char>::do_something
  40
  41 template <>
  42 void tclass<int>::do_something () { } // tclass<int>::do_something
  43
  44 template<>
  45 void tclass<long>::do_something () { } // tclass<long>::do_something
  46
  47 template<>
  48 void tclass<short>::do_something () { } // tclass<short>::do_something
  49
  50 // A simple template with multiple template parameters
  51 template <class A, class B, class C, class D, class E>
  52 void flubber (void) { // flubber
  53   A a;
  54   B b;
  55   C c;
  56   D d;
  57   E e;
  58
  59   ++a;
  60   ++b;
  61   ++c;
  62   ++d;
  63   ++e;
  64 }
  65
  66 // Some contrived policies
  67 template <class T>
  68 struct operation_1
  69 {
  70   static void function (void) { } // operation_1<T>::function
  71 };
  72
  73 template <class T>
  74 struct operation_2
  75 {
  76   static void function (void) { } // operation_2<T>::function
  77 };
  78
  79 template <class T>
  80 struct operation_3
  81 {
  82   static void function (void) { } // operation_3<T>::function
  83 };
  84
  85 template <class T>
  86 struct operation_4
  87 {
  88   static void function (void) { } // operation_4<T>::function
  89 };
  90
  91 // A policy-based class w/ and w/o default policy
  92 template <class T, class Policy>
  93 class policy : public Policy
  94 {
  95 public:
  96   policy (T obj) : obj_ (obj) { } // policy<T, Policy>::policy
  97
  98 private:
  99   T obj_;
 100 };
 101
 102 template <class T, class Policy = operation_1<T> >
 103 class policyd : public Policy
 104 {
 105 public:
 106   policyd (T obj) : obj_ (obj) { } // policyd<T, Policy>::policyd
 107   ~policyd (void) { } // policyd<T, Policy>::~policyd
 108
 109 private:
 110   T obj_;
 111 };
 112
 113 typedef policy<int, operation_1<void*> > policy1;
 114 typedef policy<int, operation_2<void*> > policy2;
 115 typedef policy<int, operation_3<void*> > policy3;
 116 typedef policy<int, operation_4<void*> > policy4;
 117
 118 typedef policyd<int> policyd1;
 119 typedef policyd<long> policyd2;
 120 typedef policyd<char> policyd3;
 121 typedef policyd<base> policyd4;
 122 typedef policyd<tclass<int> > policyd5;
 123
 124 class fluff { };
 125 static fluff *g_fluff = new fluff ();
 126
 127 class base
 128 {
 129 protected:
 130   int foo_;
 131
 132 public:
 133   base (void) : foo_ (42) { } // base::base(void)
 134   base (int foo) : foo_ (foo) { } // base::base(int)
 135   ~base (void) { } // base::~base
 136
 137   // Some overloaded methods
 138   int overload (void) const { return 0; } // base::overload(void) const
 139   int overload (int i) const { return 1; } // base::overload(int) const
 140   int overload (short s) const { return 2; } // base::overload(short) const
 141   int overload (long l) const { return 3; } // base::overload(long) const
 142   int overload (char* a) const { return 4; } // base::overload(char*) const
 143   int overload (base& b) const { return 5; } // base::overload(base&) const
 144
 145   // Operators
 146   int operator+ (base const& o) const { // base::operator+
 147     return foo_ + o.foo_;  }
 148
 149   base operator++ (void) { // base::operator++
 150     ++foo_; return *this; }
 151
 152   base operator+=(base const& o) { // base::operator+=
 153     foo_ += o.foo_; return *this; }
 154
 155   int operator- (base const& o) const { // base::operator-
 156     return foo_ - o.foo_; }
 157
 158   base operator-- (void) { // base::operator--
 159     --foo_; return *this; }
 160
 161   base operator-= (base const& o) { // base::operator-=
 162     foo_ -= o.foo_; return *this; }
 163
 164   int operator* (base const& o) const { // base::operator*
 165     return foo_ * o.foo_; }
 166
 167   base operator*= (base const& o) { // base::operator*=
 168     foo_ *= o.foo_; return *this; }
 169
 170   int operator/ (base const& o) const { // base::operator/
 171     return foo_ / o.foo_; }
 172
 173   base operator/= (base const& o) { // base::operator/=
 174     foo_ /= o.foo_; return *this; }
 175
 176   int operator% (base const& o) const { // base::operator%
 177     return foo_ % o.foo_; }
 178
 179   base operator%= (base const& o) { // base::operator%=
 180     foo_ %= o.foo_; return *this; }
 181
 182   bool operator< (base const& o) const { // base::operator<
 183     return foo_ < o.foo_; }
 184
 185   bool operator<= (base const& o) const { // base::operator<=
 186     return foo_ <= o.foo_; }
 187
 188   bool operator> (base const& o) const { // base::operator>
 189     return foo_ > o.foo_; }
 190
 191   bool operator>= (base const& o) const { // base::operator>=
 192     return foo_ >= o.foo_; }
 193
 194   bool operator!= (base const& o) const { // base::operator!=
 195     return foo_ != o.foo_; }
 196
 197   bool operator== (base const& o) const { // base::operator==
 198     return foo_ == o.foo_; }
 199
 200   bool operator! (void) const { // base::operator!
 201     return !foo_; }
 202
 203   bool operator&& (base const& o) const { // base::operator&&
 204     return foo_ && o.foo_; }
 205
 206   bool operator|| (base const& o) const { // base::operator||
 207     return foo_ || o.foo_; }
 208
 209   int operator<< (int value) const { // base::operator<<
 210     return foo_  << value; }
 211
 212   base operator<<= (int value) { // base::operator<<=
 213     foo_ <<= value; return *this; }
 214
 215   int operator>> (int value) const { // base::operator>>
 216     return foo_  >> value; }
 217
 218   base operator>>= (int value) { // base::operator>>=
 219     foo_ >>= value; return *this; }
 220
 221   int operator~ (void) const { // base::operator~
 222     return ~foo_; }
 223
 224   int operator& (base const& o) const { // base::operator&
 225     return foo_ & o.foo_; }
 226
 227   base operator&= (base const& o) { // base::operator&=
 228     foo_ &= o.foo_; return *this; }
 229
 230   int operator| (base const& o) const { // base::operator|
 231     return foo_ | o.foo_; }
 232
 233   base operator|= (base const& o) { // base::operator|=
 234     foo_ |= o.foo_; return *this; }
 235
 236   int operator^ (base const& o) const { // base::operator^
 237     return foo_ ^ o.foo_; }
 238
 239   base operator^= (base const& o) { // base::operator^=
 240     foo_ ^= o.foo_; return *this; }
 241
 242   base operator= (base const& o) { // base::operator=
 243     foo_ = o.foo_; return *this; }
 244
 245   void operator() (void) const { // base::operator()
 246     return; }
 247
 248   int operator[] (int idx) const { // base::operator[]
 249     return idx; }
 250
 251   void* operator new (size_t size) throw () { // base::operator new
 252     return malloc (size); }
 253
 254   void operator delete (void* ptr) { // base::operator delete
 255     free (ptr); }
 256
 257   void* operator new[] (size_t size) throw () { // base::operator new[]
 258     return malloc (size); }
 259
 260   void operator delete[] (void* ptr) { // base::operator delete[]
 261     free (ptr); }
 262
 263   base const* operator-> (void) const { // base::opeartor->
 264     return this; }
 265
 266   int operator->* (base const& b) const { // base::operator->*
 267     return foo_ * b.foo_; }
 268
 269   operator char* () const { return const_cast<char*> ("hello"); } // base::operator char*
 270   operator int () const { return 21; } // base::operator int
 271   operator fluff* () const { return new fluff (); } // base::operator fluff*
 272   operator fluff** () const { return &g_fluff; } // base::operator fluff**
 273   operator fluff const* const* () const { return &g_fluff; } // base::operator fluff const* const*
 274 };
 275
 276 class base1 : public virtual base
 277 {
 278 public:
 279   base1 (void) : foo_ (21) { } // base1::base1(void)
 280   base1 (int a) : foo_(a) { } // base1::base1(int)
 281   void a_function (void) const { } // base1::a_function
 282
 283 protected:
 284   int foo_;
 285 };
 286
 287 class base2 : public virtual base
 288 {
 289 public:
 290   base2 () : foo_ (3) { } // base2::base2
 291
 292 protected:
 293   void a_function (void) const { } // base2::a_function
 294   int foo_;
 295 };
 296
 297 class derived : public base1, public base2
 298 {
 299   public:
 300   derived(void) : foo_ (4) { } // derived::derived
 301   void a_function (void) const { // derived::a_function
 302     this->base1::a_function ();
 303     this->base2::a_function ();
 304   }
 305
 306   protected:
 307   int foo_;
 308 };
 309
 310 class CV { public:
 311   static const int i;
 312   typedef int t;
 313   void m(t);
 314   void m(t) const;
 315   void m(t) volatile;
 316   void m(t) const volatile;
 317 };
 318 const int CV::i = 42;
 319 #ifdef __GNUC__
 320 # define ATTRIBUTE_USED __attribute__((used))
 321 #else
 322 # define ATTRIBUTE_USED
 323 #endif
 324 ATTRIBUTE_USED void CV::m(CV::t) {}
 325 ATTRIBUTE_USED void CV::m(CV::t) const {}
 326 ATTRIBUTE_USED void CV::m(CV::t) volatile {}
 327 ATTRIBUTE_USED void CV::m(CV::t) const volatile {}
 328 int CV_f (int x)
 329 {
 330   return x + 1;
 331 }
 332
 333 int
 334 test_function (int argc, char* argv[]) // test_function
 335 { // test_function
 336   derived d;
 337   void (derived::*pfunc) (void) const = &derived::a_function;
 338   (d.*pfunc) ();
 339
 340   base a (1), b (3), c (8);
 341   (void) a.overload ();
 342   (void) a.overload (static_cast<int> (0));
 343   (void) a.overload (static_cast<short> (0));
 344   (void) a.overload (static_cast<long> (0));
 345   (void) a.overload (static_cast<char*> (0));
 346   (void) a.overload (a);
 347
 348   int r;
 349   r = b + c;
 350   ++a;
 351   a += b;
 352   r = b - c;
 353   --a;
 354   a -= b;
 355   r = b * c;
 356   a *= b;
 357   r = b / c;
 358   a /= b;
 359   r = b % c;
 360   a %= b;
 361   bool x = (b < c);
 362   x = (b <= c);
 363   x = (b > c);
 364   x = (b >= c);
 365   x = (b != c);
 366   x = (b == c);
 367   x = (!b);
 368   x = (b && c);
 369   x = (b || c);
 370   r = b << 2;
 371   a <<= 1;
 372   r = b >> 2;
 373   a >>= 1;
 374   r = ~b;
 375   r = b & c;
 376   a &= c;
 377   r = b | c;
 378   a |= c;
 379   r = b ^ c;
 380   a ^= c;
 381   a = c;
 382   a ();
 383   int i = a[3];
 384   derived* f = new derived ();
 385   derived* g = new derived[3];
 386   delete f;
 387   delete[] g;
 388   a->overload ();
 389   r = a->*b;
 390
 391   tclass<char> char_tclass;
 392   tclass<int> int_tclass;
 393   tclass<short> short_tclass;
 394   tclass<long> long_tclass;
 395   tclass<base> base_tclass;
 396   char_tclass.do_something ();
 397   int_tclass.do_something ();
 398   short_tclass.do_something ();
 399   long_tclass.do_something ();
 400   base_tclass.do_something ();
 401
 402   flubber<int, int, int, int, int> ();
 403   flubber<int, int, int, int, short> ();
 404   flubber<int, int, int, int, long> ();
 405   flubber<int, int, int, int, char> ();
 406   flubber<int, int, int, short, int> ();
 407   flubber<int, int, int, short, short> ();
 408   flubber<int, int, int, short, long> ();
 409   flubber<int, int, int, short, char> ();
 410   flubber<int, int, int, long, int> ();
 411   flubber<int, int, int, long, short> ();
 412   flubber<int, int, int, long, long> ();
 413   flubber<int, int, int, long, char> ();
 414   flubber<int, int, int, char, int> ();
 415   flubber<int, int, int, char, short> ();
 416   flubber<int, int, int, char, long> ();
 417   flubber<int, int, int, char, char> ();
 418   flubber<int, int, short, int, int> ();
 419   flubber<int, int, short, int, short> ();
 420   flubber<int, int, short, int, long> ();
 421   flubber<int, int, short, int, char> ();
 422   flubber<int, int, short, short, int> ();
 423   flubber<short, int, short, int, short> ();
 424   flubber<long, short, long, short, long> ();
 425
 426   policy1 p1 (1);
 427   p1.function ();
 428   policy2 p2 (2);
 429   p2.function ();
 430   policy3 p3 (3);
 431   p3.function ();
 432   policy4 p4 (4);
 433   p4.function ();
 434
 435   policyd1 pd1 (5);
 436   pd1.function ();
 437   policyd2 pd2 (6);
 438   pd2.function ();
 439   policyd3 pd3 (7);
 440   pd3.function ();
 441   policyd4 pd4 (d);
 442   pd4.function ();
 443   policyd5 pd5 (int_tclass);
 444   pd5.function ();
 445
 446   base1 b1 (3);
 447
 448   r = a;
 449   char* str = a;
 450   fluff* flp = a;
 451   fluff** flpp = a;
 452   fluff const* const* flcpcp = a;
 453
 454   CV_f(CV::i);
 455
 456   return 0;
 457 }
 458
 459 int
 460 main (int argc, char* argv[])
 461 {
 462   int i;
 463
 464   /* Call the test function repeatedly, enough times for all our tests
 465      without running forever if something goes wrong.  */
 466   for (i = 0; i < 1000; i++)
 467     test_function (argc, argv);
 468
 469   return 0;
 470 }