old-cross-binutils/gdb/testsuite/gdb.cp/classes.cc
Joel Brobecker 28e7fd6234 Update years in copyright notice for the GDB files.
Two modifications:
  1. The addition of 2013 to the copyright year range for every file;
  2. The use of a single year range, instead of potentially multiple
     year ranges, as approved by the FSF.
2013-01-01 06:33:28 +00:00

609 lines
11 KiB
C++

/* This testcase is part of GDB, the GNU debugger.
Copyright 1993-2013 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
// Test various -*- C++ -*- things.
// ====================== basic C++ types =======================
bool v_bool;
bool v_bool_array[2];
typedef struct fleep fleep;
struct fleep { int a; } s;
// ====================== simple class structures =======================
struct default_public_struct {
// defaults to public:
int a;
int b;
};
struct explicit_public_struct {
public:
int a;
int b;
};
struct protected_struct {
protected:
int a;
int b;
};
struct private_struct {
private:
int a;
int b;
};
struct mixed_protection_struct {
public:
int a;
int b;
private:
int c;
int d;
protected:
int e;
int f;
public:
int g;
private:
int h;
protected:
int i;
};
class public_class {
public:
int a;
int b;
};
class protected_class {
protected:
int a;
int b;
};
class default_private_class {
// defaults to private:
int a;
int b;
};
class explicit_private_class {
private:
int a;
int b;
};
class mixed_protection_class {
public:
int a;
int b;
private:
int c;
int d;
protected:
int e;
int f;
public:
int g;
private:
int h;
protected:
int i;
};
class const_vol_method_class {
public:
int a;
int b;
int foo (int &) const;
int bar (int &) volatile;
int baz (int &) const volatile;
};
int const_vol_method_class::foo (int & ir) const
{
return ir + 3;
}
int const_vol_method_class::bar (int & ir) volatile
{
return ir + 4;
}
int const_vol_method_class::baz (int & ir) const volatile
{
return ir + 5;
}
// ========================= simple inheritance ==========================
class A {
public:
int a;
int x;
};
A g_A;
class B : public A {
public:
int b;
int x;
};
B g_B;
class C : public A {
public:
int c;
int x;
};
C g_C;
class D : public B, public C {
public:
int d;
int x;
};
D g_D;
class E : public D {
public:
int e;
int x;
};
E g_E;
class class_with_anon_union
{
public:
int one;
union
{
int a;
long b;
};
};
class_with_anon_union g_anon_union;
void inheritance2 (void)
{
}
void inheritance1 (void)
{
int ival;
int *intp;
// {A::a, A::x}
g_A.A::a = 1;
g_A.A::x = 2;
// {{A::a,A::x},B::b,B::x}
g_B.A::a = 3;
g_B.A::x = 4;
g_B.B::b = 5;
g_B.B::x = 6;
// {{A::a,A::x},C::c,C::x}
g_C.A::a = 7;
g_C.A::x = 8;
g_C.C::c = 9;
g_C.C::x = 10;
// {{{A::a,A::x},B::b,B::x},{{A::a,A::x},C::c,C::x},D::d,D::x}
// The following initialization code is non-portable, but allows us
// to initialize all members of g_D until we can fill in the missing
// initialization code with legal C++ code.
for (intp = (int *) &g_D, ival = 11;
intp < ((int *) &g_D + sizeof (g_D) / sizeof (int));
intp++, ival++)
{
*intp = ival;
}
// Overlay the nonportable initialization with legal initialization.
// ????? = 11; (g_D.A::a = 11; is ambiguous)
// ????? = 12; (g_D.A::x = 12; is ambiguous)
/* djb 6-3-2000
This should take care of it. Rather than try to initialize using an ambiguous
construct, use 2 unambiguous ones for each. Since the ambiguous a/x member is
coming from C, and B, initialize D's C::a, and B::a, and D's C::x and B::x.
*/
g_D.C::a = 15;
g_D.C::x = 12;
g_D.B::a = 11;
g_D.B::x = 12;
g_D.B::b = 13;
g_D.B::x = 14;
// ????? = 15;
// ????? = 16;
g_D.C::c = 17;
g_D.C::x = 18;
g_D.D::d = 19;
g_D.D::x = 20;
// {{{{A::a,A::x},B::b,B::x},{{A::a,A::x},C::c,C::x},D::d,D::x}},E::e,E::x}
// The following initialization code is non-portable, but allows us
// to initialize all members of g_D until we can fill in the missing
// initialization code with legal C++ code.
for (intp = (int *) &g_E, ival = 21;
intp < ((int *) &g_E + sizeof (g_E) / sizeof (int));
intp++, ival++)
{
*intp = ival;
}
// Overlay the nonportable initialization with legal initialization.
// ????? = 21; (g_E.A::a = 21; is ambiguous)
// ????? = 22; (g_E.A::x = 22; is ambiguous)
g_E.B::b = 23;
g_E.B::x = 24;
// ????? = 25;
// ????? = 26;
g_E.C::c = 27;
g_E.C::x = 28;
g_E.D::d = 29;
g_E.D::x = 30;
g_E.E::e = 31;
g_E.E::x = 32;
g_anon_union.one = 1;
g_anon_union.a = 2;
inheritance2 ();
}
// ======================== static member functions =====================
class Static {
public:
static void ii(int, int);
};
void Static::ii (int, int) { }
// ======================== virtual base classes=========================
class vA {
public:
int va;
int vx;
};
vA g_vA;
class vB : public virtual vA {
public:
int vb;
int vx;
};
vB g_vB;
class vC : public virtual vA {
public:
int vc;
int vx;
};
vC g_vC;
class vD : public virtual vB, public virtual vC {
public:
int vd;
int vx;
};
vD g_vD;
class vE : public virtual vD {
public:
int ve;
int vx;
};
vE g_vE;
void inheritance4 (void)
{
}
void inheritance3 (void)
{
int ival;
int *intp;
// {vA::va, vA::vx}
g_vA.vA::va = 1;
g_vA.vA::vx = 2;
// {{vA::va, vA::vx}, vB::vb, vB::vx}
g_vB.vA::va = 3;
g_vB.vA::vx = 4;
g_vB.vB::vb = 5;
g_vB.vB::vx = 6;
// {{vA::va, vA::vx}, vC::vc, vC::vx}
g_vC.vA::va = 7;
g_vC.vA::vx = 8;
g_vC.vC::vc = 9;
g_vC.vC::vx = 10;
// {{{{vA::va, vA::vx}, vB::vb, vB::vx}, vC::vc, vC::vx}, vD::vd,vD::vx}
g_vD.vA::va = 11;
g_vD.vA::vx = 12;
g_vD.vB::vb = 13;
g_vD.vB::vx = 14;
g_vD.vC::vc = 15;
g_vD.vC::vx = 16;
g_vD.vD::vd = 17;
g_vD.vD::vx = 18;
// {{{{{vA::va,vA::vx},vB::vb,vB::vx},vC::vc,vC::vx},vD::vd,vD::vx},vE::ve,vE::vx}
g_vD.vA::va = 19;
g_vD.vA::vx = 20;
g_vD.vB::vb = 21;
g_vD.vB::vx = 22;
g_vD.vC::vc = 23;
g_vD.vC::vx = 24;
g_vD.vD::vd = 25;
g_vD.vD::vx = 26;
g_vE.vE::ve = 27;
g_vE.vE::vx = 28;
inheritance4 ();
}
// ======================================================================
class Base1 {
public:
int x;
Base1(int i) { x = i; }
~Base1 () { }
};
typedef Base1 base1;
class Foo
{
public:
int x;
int y;
static int st;
Foo (int i, int j) { x = i; y = j; }
int operator! ();
operator int ();
int times (int y);
};
typedef Foo ByAnyOtherName;
class Bar : public Base1, public Foo {
public:
int z;
Bar (int i, int j, int k) : Base1 (10*k), Foo (i, j) { z = k; }
};
int Foo::operator! () { return !x; }
int Foo::times (int y) { return x * y; }
int Foo::st = 100;
Foo::operator int() { return x; }
ByAnyOtherName foo(10, 11);
Bar bar(20, 21, 22);
class ClassWithEnum {
public:
enum PrivEnum { red, green, blue, yellow = 42 };
PrivEnum priv_enum;
int x;
};
void enums2 (void)
{
}
/* classes.exp relies on statement order in this function for testing
enumeration fields. */
void enums1 ()
{
ClassWithEnum obj_with_enum;
obj_with_enum.priv_enum = ClassWithEnum::red;
obj_with_enum.x = 0;
enums2 ();
obj_with_enum.priv_enum = ClassWithEnum::green;
obj_with_enum.x = 1;
}
class ClassParam {
public:
int Aptr_a (A *a) { return a->a; }
int Aptr_x (A *a) { return a->x; }
int Aref_a (A &a) { return a.a; }
int Aref_x (A &a) { return a.x; }
int Aval_a (A a) { return a.a; }
int Aval_x (A a) { return a.x; }
};
ClassParam class_param;
class Contains_static_instance
{
public:
int x;
int y;
Contains_static_instance (int i, int j) { x = i; y = j; }
static Contains_static_instance null;
};
Contains_static_instance Contains_static_instance::null(0,0);
Contains_static_instance csi(10,20);
class Contains_nested_static_instance
{
public:
class Nested
{
public:
Nested(int i) : z(i) {}
int z;
static Contains_nested_static_instance xx;
};
Contains_nested_static_instance(int i, int j) : x(i), y(j) {}
int x;
int y;
static Contains_nested_static_instance null;
static Nested yy;
};
Contains_nested_static_instance Contains_nested_static_instance::null(0, 0);
Contains_nested_static_instance::Nested Contains_nested_static_instance::yy(5);
Contains_nested_static_instance
Contains_nested_static_instance::Nested::xx(1,2);
Contains_nested_static_instance cnsi(30,40);
typedef struct {
int one;
int two;
} tagless_struct;
tagless_struct v_tagless;
/* Try to get the compiler to allocate a class in a register. */
class small {
public:
int x;
int method ();
};
int
small::method ()
{
return x + 5;
}
void marker_reg1 () {}
int
register_class ()
{
/* We don't call any methods for v, so gcc version cygnus-2.3.3-930220
might put this variable in a register. This is a lose, though, because
it means that GDB can't call any methods for that variable. */
register small v;
int i;
/* Perform a computation sufficiently complicated that optimizing compilers
won't optimized out the variable. If some compiler constant-folds this
whole loop, maybe using a parameter to this function here would help. */
v.x = 0;
for (i = 0; i < 13; ++i)
v.x += i;
--v.x; /* v.x is now 77 */
marker_reg1 ();
return v.x + 5;
}
void dummy()
{
v_bool = true;
v_bool_array[0] = false;
v_bool_array[1] = v_bool;
}
void use_methods ()
{
/* Refer to methods so that they don't get optimized away. */
int i;
i = class_param.Aptr_a (&g_A);
i = class_param.Aptr_x (&g_A);
i = class_param.Aref_a (g_A);
i = class_param.Aref_x (g_A);
i = class_param.Aval_a (g_A);
i = class_param.Aval_x (g_A);
base1 b (3);
}
int
main()
{
dummy();
inheritance1 ();
inheritance3 ();
enums1 ();
register_class ();
/* FIXME: pmi gets optimized out. Need to do some more computation with
it or something. (No one notices, because the test is xfail'd anyway,
but that probably won't always be true...). */
int Foo::* pmi = &Foo::y;
/* Make sure the AIX linker doesn't remove the variable. */
v_tagless.one = 5;
use_methods ();
return foo.*pmi;
}
/* Create an instance for some classes, otherwise they get optimized away. */
default_public_struct default_public_s;
explicit_public_struct explicit_public_s;
protected_struct protected_s;
private_struct private_s;
mixed_protection_struct mixed_protection_s;
public_class public_c;
protected_class protected_c;
default_private_class default_private_c;
explicit_private_class explicit_private_c;
mixed_protection_class mixed_protection_c;