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28301461 MC |
1 | /* This testcase is part of GDB, the GNU debugger. |
2 | ||
b811d2c2 | 3 | Copyright 1993-2020 Free Software Foundation, Inc. |
28301461 MC |
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 | |
a9762ec7 | 7 | the Free Software Foundation; either version 3 of the License, or |
28301461 MC |
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. | |
a9762ec7 | 14 | |
28301461 | 15 | You should have received a copy of the GNU General Public License |
47d48711 | 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
28301461 | 17 | |
c906108c SS |
18 | // Test various -*- C++ -*- things. |
19 | ||
a0b3c4fd JM |
20 | // ====================== basic C++ types ======================= |
21 | bool v_bool; | |
22 | bool v_bool_array[2]; | |
23 | ||
c906108c SS |
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) | |
e6d71bf3 DB |
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; | |
c906108c SS |
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 | ||
af890c52 DJ |
289 | // ======================== static member functions ===================== |
290 | ||
291 | class Static { | |
292 | public: | |
293 | static void ii(int, int); | |
294 | }; | |
295 | void Static::ii (int, int) { } | |
296 | ||
c906108c SS |
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 | }; | |
402 | ||
403 | class Foo | |
404 | { | |
405 | public: | |
406 | int x; | |
407 | int y; | |
408 | static int st; | |
409 | Foo (int i, int j) { x = i; y = j; } | |
410 | int operator! (); | |
411 | operator int (); | |
412 | int times (int y); | |
413 | }; | |
414 | ||
415 | class Bar : public Base1, public Foo { | |
416 | public: | |
417 | int z; | |
418 | Bar (int i, int j, int k) : Base1 (10*k), Foo (i, j) { z = k; } | |
419 | }; | |
420 | ||
c906108c SS |
421 | int Foo::operator! () { return !x; } |
422 | ||
423 | int Foo::times (int y) { return x * y; } | |
424 | ||
425 | int Foo::st = 100; | |
426 | ||
427 | Foo::operator int() { return x; } | |
428 | ||
429 | Foo foo(10, 11); | |
430 | Bar bar(20, 21, 22); | |
431 | ||
2bec0572 ND |
432 | class ClassWithEnum { |
433 | public: | |
434 | enum PrivEnum { red, green, blue, yellow = 42 }; | |
435 | PrivEnum priv_enum; | |
436 | int x; | |
437 | }; | |
438 | ||
439 | void enums2 (void) | |
440 | { | |
441 | } | |
442 | ||
443 | /* classes.exp relies on statement order in this function for testing | |
444 | enumeration fields. */ | |
445 | ||
446 | void enums1 () | |
447 | { | |
448 | ClassWithEnum obj_with_enum; | |
449 | obj_with_enum.priv_enum = ClassWithEnum::red; | |
450 | obj_with_enum.x = 0; | |
451 | enums2 (); | |
452 | obj_with_enum.priv_enum = ClassWithEnum::green; | |
453 | } | |
454 | ||
54602222 ND |
455 | class ClassParam { |
456 | public: | |
457 | int Aptr_a (A *a) { return a->a; } | |
458 | int Aptr_x (A *a) { return a->x; } | |
459 | int Aref_a (A &a) { return a.a; } | |
460 | int Aref_x (A &a) { return a.x; } | |
461 | int Aval_a (A a) { return a.a; } | |
462 | int Aval_x (A a) { return a.x; } | |
463 | }; | |
464 | ||
465 | ClassParam class_param; | |
466 | ||
c906108c SS |
467 | class Contains_static_instance |
468 | { | |
469 | public: | |
470 | int x; | |
471 | int y; | |
472 | Contains_static_instance (int i, int j) { x = i; y = j; } | |
473 | static Contains_static_instance null; | |
474 | }; | |
475 | ||
476 | Contains_static_instance Contains_static_instance::null(0,0); | |
477 | Contains_static_instance csi(10,20); | |
478 | ||
479 | class Contains_nested_static_instance | |
480 | { | |
481 | public: | |
482 | class Nested | |
483 | { | |
484 | public: | |
485 | Nested(int i) : z(i) {} | |
486 | int z; | |
487 | static Contains_nested_static_instance xx; | |
488 | }; | |
489 | ||
490 | Contains_nested_static_instance(int i, int j) : x(i), y(j) {} | |
491 | ||
492 | int x; | |
493 | int y; | |
494 | ||
495 | static Contains_nested_static_instance null; | |
496 | static Nested yy; | |
497 | }; | |
498 | ||
499 | Contains_nested_static_instance Contains_nested_static_instance::null(0, 0); | |
500 | Contains_nested_static_instance::Nested Contains_nested_static_instance::yy(5); | |
501 | Contains_nested_static_instance | |
502 | Contains_nested_static_instance::Nested::xx(1,2); | |
503 | Contains_nested_static_instance cnsi(30,40); | |
504 | ||
505 | typedef struct { | |
506 | int one; | |
507 | int two; | |
508 | } tagless_struct; | |
509 | tagless_struct v_tagless; | |
510 | ||
511 | /* Try to get the compiler to allocate a class in a register. */ | |
512 | class small { | |
513 | public: | |
514 | int x; | |
515 | int method (); | |
516 | }; | |
517 | ||
518 | int | |
519 | small::method () | |
520 | { | |
521 | return x + 5; | |
522 | } | |
523 | ||
524 | void marker_reg1 () {} | |
525 | ||
526 | int | |
527 | register_class () | |
528 | { | |
529 | /* We don't call any methods for v, so gcc version cygnus-2.3.3-930220 | |
530 | might put this variable in a register. This is a lose, though, because | |
531 | it means that GDB can't call any methods for that variable. */ | |
532 | register small v; | |
533 | ||
534 | int i; | |
535 | ||
536 | /* Perform a computation sufficiently complicated that optimizing compilers | |
537 | won't optimized out the variable. If some compiler constant-folds this | |
538 | whole loop, maybe using a parameter to this function here would help. */ | |
539 | v.x = 0; | |
540 | for (i = 0; i < 13; ++i) | |
541 | v.x += i; | |
542 | --v.x; /* v.x is now 77 */ | |
543 | marker_reg1 (); | |
544 | return v.x + 5; | |
545 | } | |
546 | ||
a0b3c4fd JM |
547 | void dummy() |
548 | { | |
549 | v_bool = true; | |
550 | v_bool_array[0] = false; | |
551 | v_bool_array[1] = v_bool; | |
552 | } | |
553 | ||
54602222 ND |
554 | void use_methods () |
555 | { | |
556 | /* Refer to methods so that they don't get optimized away. */ | |
557 | int i; | |
558 | i = class_param.Aptr_a (&g_A); | |
559 | i = class_param.Aptr_x (&g_A); | |
560 | i = class_param.Aref_a (g_A); | |
561 | i = class_param.Aref_x (g_A); | |
562 | i = class_param.Aval_a (g_A); | |
563 | i = class_param.Aval_x (g_A); | |
564 | } | |
565 | ||
a0b3c4fd | 566 | |
c906108c SS |
567 | int |
568 | main() | |
569 | { | |
a0b3c4fd | 570 | dummy(); |
c906108c SS |
571 | inheritance1 (); |
572 | inheritance3 (); | |
2bec0572 | 573 | enums1 (); |
c906108c SS |
574 | register_class (); |
575 | ||
576 | /* FIXME: pmi gets optimized out. Need to do some more computation with | |
577 | it or something. (No one notices, because the test is xfail'd anyway, | |
578 | but that probably won't always be true...). */ | |
579 | int Foo::* pmi = &Foo::y; | |
580 | ||
581 | /* Make sure the AIX linker doesn't remove the variable. */ | |
582 | v_tagless.one = 5; | |
583 | ||
54602222 ND |
584 | use_methods (); |
585 | ||
c906108c SS |
586 | return foo.*pmi; |
587 | } | |
588 | ||
589 | /* Create an instance for some classes, otherwise they get optimized away. */ | |
590 | ||
591 | default_public_struct default_public_s; | |
592 | explicit_public_struct explicit_public_s; | |
593 | protected_struct protected_s; | |
594 | private_struct private_s; | |
595 | mixed_protection_struct mixed_protection_s; | |
596 | public_class public_c; | |
597 | protected_class protected_c; | |
598 | default_private_class default_private_c; | |
599 | explicit_private_class explicit_private_c; | |
600 | mixed_protection_class mixed_protection_c; |