| 1 | /* This testcase is part of GDB, the GNU debugger. |
| 2 | |
| 3 | Copyright 1993-2016 Free Software Foundation, Inc. |
| 4 | |
| 5 | This program is free software; you can redistribute it and/or modify |
| 6 | it under the terms of the GNU General Public License as published by |
| 7 | the Free Software Foundation; either version 3 of the License, or |
| 8 | (at your option) any later version. |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License |
| 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | // Test various -*- C++ -*- things. |
| 19 | |
| 20 | // ====================== basic C++ types ======================= |
| 21 | bool v_bool; |
| 22 | bool v_bool_array[2]; |
| 23 | |
| 24 | typedef struct fleep fleep; |
| 25 | struct fleep { int a; } s; |
| 26 | |
| 27 | // ====================== simple class structures ======================= |
| 28 | |
| 29 | struct default_public_struct { |
| 30 | // defaults to public: |
| 31 | int a; |
| 32 | int b; |
| 33 | }; |
| 34 | |
| 35 | struct explicit_public_struct { |
| 36 | public: |
| 37 | int a; |
| 38 | int b; |
| 39 | }; |
| 40 | |
| 41 | struct protected_struct { |
| 42 | protected: |
| 43 | int a; |
| 44 | int b; |
| 45 | }; |
| 46 | |
| 47 | struct private_struct { |
| 48 | private: |
| 49 | int a; |
| 50 | int b; |
| 51 | }; |
| 52 | |
| 53 | struct mixed_protection_struct { |
| 54 | public: |
| 55 | int a; |
| 56 | int b; |
| 57 | private: |
| 58 | int c; |
| 59 | int d; |
| 60 | protected: |
| 61 | int e; |
| 62 | int f; |
| 63 | public: |
| 64 | int g; |
| 65 | private: |
| 66 | int h; |
| 67 | protected: |
| 68 | int i; |
| 69 | }; |
| 70 | |
| 71 | class public_class { |
| 72 | public: |
| 73 | int a; |
| 74 | int b; |
| 75 | }; |
| 76 | |
| 77 | class protected_class { |
| 78 | protected: |
| 79 | int a; |
| 80 | int b; |
| 81 | }; |
| 82 | |
| 83 | class default_private_class { |
| 84 | // defaults to private: |
| 85 | int a; |
| 86 | int b; |
| 87 | }; |
| 88 | |
| 89 | class explicit_private_class { |
| 90 | private: |
| 91 | int a; |
| 92 | int b; |
| 93 | }; |
| 94 | |
| 95 | class mixed_protection_class { |
| 96 | public: |
| 97 | int a; |
| 98 | int b; |
| 99 | private: |
| 100 | int c; |
| 101 | int d; |
| 102 | protected: |
| 103 | int e; |
| 104 | int f; |
| 105 | public: |
| 106 | int g; |
| 107 | private: |
| 108 | int h; |
| 109 | protected: |
| 110 | int i; |
| 111 | }; |
| 112 | |
| 113 | class const_vol_method_class { |
| 114 | public: |
| 115 | int a; |
| 116 | int b; |
| 117 | int foo (int &) const; |
| 118 | int bar (int &) volatile; |
| 119 | int baz (int &) const volatile; |
| 120 | }; |
| 121 | |
| 122 | int const_vol_method_class::foo (int & ir) const |
| 123 | { |
| 124 | return ir + 3; |
| 125 | } |
| 126 | int const_vol_method_class::bar (int & ir) volatile |
| 127 | { |
| 128 | return ir + 4; |
| 129 | } |
| 130 | int const_vol_method_class::baz (int & ir) const volatile |
| 131 | { |
| 132 | return ir + 5; |
| 133 | } |
| 134 | |
| 135 | // ========================= simple inheritance ========================== |
| 136 | |
| 137 | class A { |
| 138 | public: |
| 139 | int a; |
| 140 | int x; |
| 141 | }; |
| 142 | |
| 143 | A g_A; |
| 144 | |
| 145 | class B : public A { |
| 146 | public: |
| 147 | int b; |
| 148 | int x; |
| 149 | }; |
| 150 | |
| 151 | B g_B; |
| 152 | |
| 153 | class C : public A { |
| 154 | public: |
| 155 | int c; |
| 156 | int x; |
| 157 | }; |
| 158 | |
| 159 | C g_C; |
| 160 | |
| 161 | class D : public B, public C { |
| 162 | public: |
| 163 | int d; |
| 164 | int x; |
| 165 | }; |
| 166 | |
| 167 | D g_D; |
| 168 | |
| 169 | class E : public D { |
| 170 | public: |
| 171 | int e; |
| 172 | int x; |
| 173 | }; |
| 174 | |
| 175 | E g_E; |
| 176 | |
| 177 | class class_with_anon_union |
| 178 | { |
| 179 | public: |
| 180 | int one; |
| 181 | union |
| 182 | { |
| 183 | int a; |
| 184 | long b; |
| 185 | }; |
| 186 | }; |
| 187 | |
| 188 | class_with_anon_union g_anon_union; |
| 189 | |
| 190 | void inheritance2 (void) |
| 191 | { |
| 192 | } |
| 193 | |
| 194 | void inheritance1 (void) |
| 195 | { |
| 196 | int ival; |
| 197 | int *intp; |
| 198 | |
| 199 | // {A::a, A::x} |
| 200 | |
| 201 | g_A.A::a = 1; |
| 202 | g_A.A::x = 2; |
| 203 | |
| 204 | // {{A::a,A::x},B::b,B::x} |
| 205 | |
| 206 | g_B.A::a = 3; |
| 207 | g_B.A::x = 4; |
| 208 | g_B.B::b = 5; |
| 209 | g_B.B::x = 6; |
| 210 | |
| 211 | // {{A::a,A::x},C::c,C::x} |
| 212 | |
| 213 | g_C.A::a = 7; |
| 214 | g_C.A::x = 8; |
| 215 | g_C.C::c = 9; |
| 216 | g_C.C::x = 10; |
| 217 | |
| 218 | // {{{A::a,A::x},B::b,B::x},{{A::a,A::x},C::c,C::x},D::d,D::x} |
| 219 | |
| 220 | // The following initialization code is non-portable, but allows us |
| 221 | // to initialize all members of g_D until we can fill in the missing |
| 222 | // initialization code with legal C++ code. |
| 223 | |
| 224 | for (intp = (int *) &g_D, ival = 11; |
| 225 | intp < ((int *) &g_D + sizeof (g_D) / sizeof (int)); |
| 226 | intp++, ival++) |
| 227 | { |
| 228 | *intp = ival; |
| 229 | } |
| 230 | |
| 231 | // Overlay the nonportable initialization with legal initialization. |
| 232 | |
| 233 | // ????? = 11; (g_D.A::a = 11; is ambiguous) |
| 234 | // ????? = 12; (g_D.A::x = 12; is ambiguous) |
| 235 | /* djb 6-3-2000 |
| 236 | |
| 237 | This should take care of it. Rather than try to initialize using an ambiguous |
| 238 | construct, use 2 unambiguous ones for each. Since the ambiguous a/x member is |
| 239 | coming from C, and B, initialize D's C::a, and B::a, and D's C::x and B::x. |
| 240 | */ |
| 241 | g_D.C::a = 15; |
| 242 | g_D.C::x = 12; |
| 243 | g_D.B::a = 11; |
| 244 | g_D.B::x = 12; |
| 245 | g_D.B::b = 13; |
| 246 | g_D.B::x = 14; |
| 247 | // ????? = 15; |
| 248 | // ????? = 16; |
| 249 | g_D.C::c = 17; |
| 250 | g_D.C::x = 18; |
| 251 | g_D.D::d = 19; |
| 252 | g_D.D::x = 20; |
| 253 | |
| 254 | |
| 255 | // {{{{A::a,A::x},B::b,B::x},{{A::a,A::x},C::c,C::x},D::d,D::x}},E::e,E::x} |
| 256 | |
| 257 | // The following initialization code is non-portable, but allows us |
| 258 | // to initialize all members of g_D until we can fill in the missing |
| 259 | // initialization code with legal C++ code. |
| 260 | |
| 261 | for (intp = (int *) &g_E, ival = 21; |
| 262 | intp < ((int *) &g_E + sizeof (g_E) / sizeof (int)); |
| 263 | intp++, ival++) |
| 264 | { |
| 265 | *intp = ival; |
| 266 | } |
| 267 | |
| 268 | // Overlay the nonportable initialization with legal initialization. |
| 269 | |
| 270 | // ????? = 21; (g_E.A::a = 21; is ambiguous) |
| 271 | // ????? = 22; (g_E.A::x = 22; is ambiguous) |
| 272 | g_E.B::b = 23; |
| 273 | g_E.B::x = 24; |
| 274 | // ????? = 25; |
| 275 | // ????? = 26; |
| 276 | g_E.C::c = 27; |
| 277 | g_E.C::x = 28; |
| 278 | g_E.D::d = 29; |
| 279 | g_E.D::x = 30; |
| 280 | g_E.E::e = 31; |
| 281 | g_E.E::x = 32; |
| 282 | |
| 283 | g_anon_union.one = 1; |
| 284 | g_anon_union.a = 2; |
| 285 | |
| 286 | inheritance2 (); |
| 287 | } |
| 288 | |
| 289 | // ======================== static member functions ===================== |
| 290 | |
| 291 | class Static { |
| 292 | public: |
| 293 | static void ii(int, int); |
| 294 | }; |
| 295 | void Static::ii (int, int) { } |
| 296 | |
| 297 | // ======================== virtual base classes========================= |
| 298 | |
| 299 | class vA { |
| 300 | public: |
| 301 | int va; |
| 302 | int vx; |
| 303 | }; |
| 304 | |
| 305 | vA g_vA; |
| 306 | |
| 307 | class vB : public virtual vA { |
| 308 | public: |
| 309 | int vb; |
| 310 | int vx; |
| 311 | }; |
| 312 | |
| 313 | vB g_vB; |
| 314 | |
| 315 | class vC : public virtual vA { |
| 316 | public: |
| 317 | int vc; |
| 318 | int vx; |
| 319 | }; |
| 320 | |
| 321 | vC g_vC; |
| 322 | |
| 323 | class vD : public virtual vB, public virtual vC { |
| 324 | public: |
| 325 | int vd; |
| 326 | int vx; |
| 327 | }; |
| 328 | |
| 329 | vD g_vD; |
| 330 | |
| 331 | class vE : public virtual vD { |
| 332 | public: |
| 333 | int ve; |
| 334 | int vx; |
| 335 | }; |
| 336 | |
| 337 | vE g_vE; |
| 338 | |
| 339 | void inheritance4 (void) |
| 340 | { |
| 341 | } |
| 342 | |
| 343 | void inheritance3 (void) |
| 344 | { |
| 345 | int ival; |
| 346 | int *intp; |
| 347 | |
| 348 | // {vA::va, vA::vx} |
| 349 | |
| 350 | g_vA.vA::va = 1; |
| 351 | g_vA.vA::vx = 2; |
| 352 | |
| 353 | // {{vA::va, vA::vx}, vB::vb, vB::vx} |
| 354 | |
| 355 | g_vB.vA::va = 3; |
| 356 | g_vB.vA::vx = 4; |
| 357 | g_vB.vB::vb = 5; |
| 358 | g_vB.vB::vx = 6; |
| 359 | |
| 360 | // {{vA::va, vA::vx}, vC::vc, vC::vx} |
| 361 | |
| 362 | g_vC.vA::va = 7; |
| 363 | g_vC.vA::vx = 8; |
| 364 | g_vC.vC::vc = 9; |
| 365 | g_vC.vC::vx = 10; |
| 366 | |
| 367 | // {{{{vA::va, vA::vx}, vB::vb, vB::vx}, vC::vc, vC::vx}, vD::vd,vD::vx} |
| 368 | |
| 369 | g_vD.vA::va = 11; |
| 370 | g_vD.vA::vx = 12; |
| 371 | g_vD.vB::vb = 13; |
| 372 | g_vD.vB::vx = 14; |
| 373 | g_vD.vC::vc = 15; |
| 374 | g_vD.vC::vx = 16; |
| 375 | g_vD.vD::vd = 17; |
| 376 | g_vD.vD::vx = 18; |
| 377 | |
| 378 | |
| 379 | // {{{{{vA::va,vA::vx},vB::vb,vB::vx},vC::vc,vC::vx},vD::vd,vD::vx},vE::ve,vE::vx} |
| 380 | |
| 381 | g_vD.vA::va = 19; |
| 382 | g_vD.vA::vx = 20; |
| 383 | g_vD.vB::vb = 21; |
| 384 | g_vD.vB::vx = 22; |
| 385 | g_vD.vC::vc = 23; |
| 386 | g_vD.vC::vx = 24; |
| 387 | g_vD.vD::vd = 25; |
| 388 | g_vD.vD::vx = 26; |
| 389 | g_vE.vE::ve = 27; |
| 390 | g_vE.vE::vx = 28; |
| 391 | |
| 392 | inheritance4 (); |
| 393 | } |
| 394 | |
| 395 | // ====================================================================== |
| 396 | |
| 397 | class Base1 { |
| 398 | public: |
| 399 | int x; |
| 400 | Base1(int i) { x = i; } |
| 401 | ~Base1 () { } |
| 402 | }; |
| 403 | |
| 404 | typedef Base1 base1; |
| 405 | |
| 406 | class Foo |
| 407 | { |
| 408 | public: |
| 409 | int x; |
| 410 | int y; |
| 411 | static int st; |
| 412 | Foo (int i, int j) { x = i; y = j; } |
| 413 | int operator! (); |
| 414 | operator int (); |
| 415 | int times (int y); |
| 416 | }; |
| 417 | |
| 418 | typedef Foo ByAnyOtherName; |
| 419 | |
| 420 | class Bar : public Base1, public Foo { |
| 421 | public: |
| 422 | int z; |
| 423 | Bar (int i, int j, int k) : Base1 (10*k), Foo (i, j) { z = k; } |
| 424 | }; |
| 425 | |
| 426 | int Foo::operator! () { return !x; } |
| 427 | |
| 428 | int Foo::times (int y) { return x * y; } |
| 429 | |
| 430 | int Foo::st = 100; |
| 431 | |
| 432 | Foo::operator int() { return x; } |
| 433 | |
| 434 | ByAnyOtherName foo(10, 11); |
| 435 | Bar bar(20, 21, 22); |
| 436 | |
| 437 | /* Use a typedef for the baseclass to exercise gnu-v3-abi.c:gnuv3_dynamic_class |
| 438 | recursion. It's important that the class itself have no name to make sure |
| 439 | the typedef makes it through to the recursive call. */ |
| 440 | typedef class { |
| 441 | public: |
| 442 | int x; |
| 443 | virtual int get_x () { return x; } |
| 444 | } DynamicBase2; |
| 445 | |
| 446 | class DynamicBar : public DynamicBase2 |
| 447 | { |
| 448 | public: |
| 449 | DynamicBar (int i, int j) { x = i; y = j; } |
| 450 | int y; |
| 451 | }; |
| 452 | |
| 453 | DynamicBar dynbar (23, 24); |
| 454 | |
| 455 | class ClassWithEnum { |
| 456 | public: |
| 457 | enum PrivEnum { red, green, blue, yellow = 42 }; |
| 458 | PrivEnum priv_enum; |
| 459 | int x; |
| 460 | }; |
| 461 | |
| 462 | void enums2 (void) |
| 463 | { |
| 464 | } |
| 465 | |
| 466 | /* classes.exp relies on statement order in this function for testing |
| 467 | enumeration fields. */ |
| 468 | |
| 469 | void enums1 () |
| 470 | { |
| 471 | ClassWithEnum obj_with_enum; |
| 472 | obj_with_enum.priv_enum = ClassWithEnum::red; |
| 473 | obj_with_enum.x = 0; |
| 474 | enums2 (); |
| 475 | obj_with_enum.priv_enum = ClassWithEnum::green; |
| 476 | obj_with_enum.x = 1; |
| 477 | } |
| 478 | |
| 479 | class ClassParam { |
| 480 | public: |
| 481 | int Aptr_a (A *a) { return a->a; } |
| 482 | int Aptr_x (A *a) { return a->x; } |
| 483 | int Aref_a (A &a) { return a.a; } |
| 484 | int Aref_x (A &a) { return a.x; } |
| 485 | int Aval_a (A a) { return a.a; } |
| 486 | int Aval_x (A a) { return a.x; } |
| 487 | }; |
| 488 | |
| 489 | ClassParam class_param; |
| 490 | |
| 491 | class Contains_static_instance |
| 492 | { |
| 493 | public: |
| 494 | int x; |
| 495 | int y; |
| 496 | Contains_static_instance (int i, int j) { x = i; y = j; } |
| 497 | static Contains_static_instance null; |
| 498 | }; |
| 499 | |
| 500 | Contains_static_instance Contains_static_instance::null(0,0); |
| 501 | Contains_static_instance csi(10,20); |
| 502 | |
| 503 | class Contains_nested_static_instance |
| 504 | { |
| 505 | public: |
| 506 | class Nested |
| 507 | { |
| 508 | public: |
| 509 | Nested(int i) : z(i) {} |
| 510 | int z; |
| 511 | static Contains_nested_static_instance xx; |
| 512 | }; |
| 513 | |
| 514 | Contains_nested_static_instance(int i, int j) : x(i), y(j) {} |
| 515 | |
| 516 | int x; |
| 517 | int y; |
| 518 | |
| 519 | static Contains_nested_static_instance null; |
| 520 | static Nested yy; |
| 521 | }; |
| 522 | |
| 523 | Contains_nested_static_instance Contains_nested_static_instance::null(0, 0); |
| 524 | Contains_nested_static_instance::Nested Contains_nested_static_instance::yy(5); |
| 525 | Contains_nested_static_instance |
| 526 | Contains_nested_static_instance::Nested::xx(1,2); |
| 527 | Contains_nested_static_instance cnsi(30,40); |
| 528 | |
| 529 | typedef struct { |
| 530 | int one; |
| 531 | int two; |
| 532 | } tagless_struct; |
| 533 | tagless_struct v_tagless; |
| 534 | |
| 535 | /* Try to get the compiler to allocate a class in a register. */ |
| 536 | class small { |
| 537 | public: |
| 538 | int x; |
| 539 | int method (); |
| 540 | }; |
| 541 | |
| 542 | int |
| 543 | small::method () |
| 544 | { |
| 545 | return x + 5; |
| 546 | } |
| 547 | |
| 548 | void marker_reg1 () {} |
| 549 | |
| 550 | int |
| 551 | register_class () |
| 552 | { |
| 553 | /* We don't call any methods for v, so gcc version cygnus-2.3.3-930220 |
| 554 | might put this variable in a register. This is a lose, though, because |
| 555 | it means that GDB can't call any methods for that variable. */ |
| 556 | register small v; |
| 557 | |
| 558 | int i; |
| 559 | |
| 560 | /* Perform a computation sufficiently complicated that optimizing compilers |
| 561 | won't optimized out the variable. If some compiler constant-folds this |
| 562 | whole loop, maybe using a parameter to this function here would help. */ |
| 563 | v.x = 0; |
| 564 | for (i = 0; i < 13; ++i) |
| 565 | v.x += i; |
| 566 | --v.x; /* v.x is now 77 */ |
| 567 | marker_reg1 (); |
| 568 | return v.x + 5; |
| 569 | } |
| 570 | |
| 571 | void dummy() |
| 572 | { |
| 573 | v_bool = true; |
| 574 | v_bool_array[0] = false; |
| 575 | v_bool_array[1] = v_bool; |
| 576 | } |
| 577 | |
| 578 | void use_methods () |
| 579 | { |
| 580 | /* Refer to methods so that they don't get optimized away. */ |
| 581 | int i; |
| 582 | i = class_param.Aptr_a (&g_A); |
| 583 | i = class_param.Aptr_x (&g_A); |
| 584 | i = class_param.Aref_a (g_A); |
| 585 | i = class_param.Aref_x (g_A); |
| 586 | i = class_param.Aval_a (g_A); |
| 587 | i = class_param.Aval_x (g_A); |
| 588 | |
| 589 | base1 b (3); |
| 590 | } |
| 591 | |
| 592 | |
| 593 | int |
| 594 | main() |
| 595 | { |
| 596 | dummy(); |
| 597 | inheritance1 (); |
| 598 | inheritance3 (); |
| 599 | enums1 (); |
| 600 | register_class (); |
| 601 | |
| 602 | /* FIXME: pmi gets optimized out. Need to do some more computation with |
| 603 | it or something. (No one notices, because the test is xfail'd anyway, |
| 604 | but that probably won't always be true...). */ |
| 605 | int Foo::* pmi = &Foo::y; |
| 606 | |
| 607 | /* Make sure the AIX linker doesn't remove the variable. */ |
| 608 | v_tagless.one = 5; |
| 609 | |
| 610 | use_methods (); |
| 611 | |
| 612 | return foo.*pmi; |
| 613 | } |
| 614 | |
| 615 | /* Create an instance for some classes, otherwise they get optimized away. */ |
| 616 | |
| 617 | default_public_struct default_public_s; |
| 618 | explicit_public_struct explicit_public_s; |
| 619 | protected_struct protected_s; |
| 620 | private_struct private_s; |
| 621 | mixed_protection_struct mixed_protection_s; |
| 622 | public_class public_c; |
| 623 | protected_class protected_c; |
| 624 | default_private_class default_private_c; |
| 625 | explicit_private_class explicit_private_c; |
| 626 | mixed_protection_class mixed_protection_c; |