gdb/testsuite/gdb.cp/non-trivial-retval.cc

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2014-2020 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 class A
  19 {
  20 public:
  21   A () {}
  22   A (A &obj);
  23
  24   int a;
  25 };
  26
  27 A::A(A &obj)
  28 {
  29   a = obj.a;
  30 }
  31
  32 A
  33 f1 (int i1, int i2)
  34 {
  35   A a;
  36
  37   a.a = i1 + i2;
  38
  39   return a;
  40 }
  41
  42 class B
  43 {
  44 public:
  45   B () {}
  46   B (const B &obj);
  47
  48   int b;
  49 };
  50
  51 B::B(const B &obj)
  52 {
  53   b = obj.b;
  54 }
  55
  56 B
  57 f2 (int i1, int i2)
  58 {
  59   B b;
  60
  61   b.b = i1 + i2;
  62
  63   return b;
  64 }
  65
  66 class B1
  67 {
  68 public:
  69   B1 () {}
  70   /* This class exists to test that GDB does not trip on other
  71      constructors (not copy constructors) which take one
  72      argument.  Hence, put this decl before the copy-ctor decl.
  73      If it is put after copy-ctor decl, then the decision to mark
  74      this class as non-trivial will already be made and GDB will
  75      not look at this constructor.  */
  76   B1 (int i);
  77   B1 (const B1 &obj);
  78
  79   int b1;
  80 };
  81
  82 B1::B1 (const B1 &obj)
  83 {
  84   b1 = obj.b1;
  85 }
  86
  87 B1::B1 (int i) : b1 (i) { }
  88
  89 B1
  90 f22 (int i1, int i2)
  91 {
  92   B1 b1;
  93
  94   b1.b1 = i1 + i2;
  95
  96   return b1;
  97 }
  98
  99 class C
 100 {
 101 public:
 102   virtual int method ();
 103
 104   int c;
 105 };
 106
 107 int
 108 C::method ()
 109 {
 110   return c;
 111 }
 112
 113 C
 114 f3 (int i1, int i2)
 115 {
 116   C c;
 117
 118   c.c = i1 + i2;
 119
 120   return c;
 121 }
 122
 123 class D
 124 {
 125 public:
 126   int d;
 127 };
 128
 129 class E : public virtual D
 130 {
 131 public:
 132   int e;
 133 };
 134
 135 E
 136 f4 (int i1, int i2)
 137 {
 138   E e;
 139
 140   e.e = i1 + i2;
 141
 142   return e;
 143 }
 144
 145 int
 146 main (void)
 147 {
 148   int i1 = 23;
 149   int i2 = 100;
 150
 151   return 0;  /* Break here  */
 152 }