601 lines
11 KiB
C++
601 lines
11 KiB
C++
/* This testcase is part of GDB, the GNU debugger.
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Copyright 1993-2014 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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// Test various -*- C++ -*- things.
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// ====================== basic C++ types =======================
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bool v_bool;
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bool v_bool_array[2];
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typedef struct fleep fleep;
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struct fleep { int a; } s;
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// ====================== simple class structures =======================
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struct default_public_struct {
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// defaults to public:
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int a;
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int b;
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};
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struct explicit_public_struct {
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public:
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int a;
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int b;
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};
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struct protected_struct {
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protected:
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int a;
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int b;
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};
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struct private_struct {
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private:
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int a;
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int b;
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};
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struct mixed_protection_struct {
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public:
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int a;
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int b;
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private:
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int c;
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int d;
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protected:
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int e;
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int f;
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public:
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int g;
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private:
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int h;
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protected:
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int i;
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};
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class public_class {
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public:
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int a;
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int b;
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};
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class protected_class {
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protected:
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int a;
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int b;
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};
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class default_private_class {
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// defaults to private:
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int a;
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int b;
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};
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class explicit_private_class {
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private:
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int a;
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int b;
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};
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class mixed_protection_class {
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public:
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int a;
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int b;
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private:
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int c;
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int d;
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protected:
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int e;
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int f;
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public:
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int g;
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private:
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int h;
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protected:
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int i;
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};
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class const_vol_method_class {
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public:
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int a;
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int b;
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int foo (int &) const;
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int bar (int &) volatile;
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int baz (int &) const volatile;
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};
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int const_vol_method_class::foo (int & ir) const
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{
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return ir + 3;
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}
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int const_vol_method_class::bar (int & ir) volatile
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{
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return ir + 4;
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}
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int const_vol_method_class::baz (int & ir) const volatile
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{
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return ir + 5;
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}
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// ========================= simple inheritance ==========================
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class A {
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public:
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int a;
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int x;
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};
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A g_A;
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class B : public A {
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public:
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int b;
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int x;
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};
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B g_B;
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class C : public A {
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public:
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int c;
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int x;
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};
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C g_C;
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class D : public B, public C {
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public:
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int d;
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int x;
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};
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D g_D;
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class E : public D {
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public:
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int e;
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int x;
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};
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E g_E;
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class class_with_anon_union
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{
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public:
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int one;
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union
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{
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int a;
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long b;
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};
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};
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class_with_anon_union g_anon_union;
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void inheritance2 (void)
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{
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}
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void inheritance1 (void)
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{
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int ival;
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int *intp;
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// {A::a, A::x}
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g_A.A::a = 1;
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g_A.A::x = 2;
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// {{A::a,A::x},B::b,B::x}
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g_B.A::a = 3;
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g_B.A::x = 4;
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g_B.B::b = 5;
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g_B.B::x = 6;
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// {{A::a,A::x},C::c,C::x}
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g_C.A::a = 7;
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g_C.A::x = 8;
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g_C.C::c = 9;
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g_C.C::x = 10;
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// {{{A::a,A::x},B::b,B::x},{{A::a,A::x},C::c,C::x},D::d,D::x}
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// The following initialization code is non-portable, but allows us
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// to initialize all members of g_D until we can fill in the missing
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// initialization code with legal C++ code.
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for (intp = (int *) &g_D, ival = 11;
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intp < ((int *) &g_D + sizeof (g_D) / sizeof (int));
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intp++, ival++)
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{
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*intp = ival;
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}
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// Overlay the nonportable initialization with legal initialization.
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// ????? = 11; (g_D.A::a = 11; is ambiguous)
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// ????? = 12; (g_D.A::x = 12; is ambiguous)
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/* djb 6-3-2000
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This should take care of it. Rather than try to initialize using an ambiguous
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construct, use 2 unambiguous ones for each. Since the ambiguous a/x member is
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coming from C, and B, initialize D's C::a, and B::a, and D's C::x and B::x.
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*/
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g_D.C::a = 15;
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g_D.C::x = 12;
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g_D.B::a = 11;
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g_D.B::x = 12;
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g_D.B::b = 13;
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g_D.B::x = 14;
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// ????? = 15;
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// ????? = 16;
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g_D.C::c = 17;
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g_D.C::x = 18;
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g_D.D::d = 19;
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g_D.D::x = 20;
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// {{{{A::a,A::x},B::b,B::x},{{A::a,A::x},C::c,C::x},D::d,D::x}},E::e,E::x}
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// The following initialization code is non-portable, but allows us
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// to initialize all members of g_D until we can fill in the missing
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// initialization code with legal C++ code.
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for (intp = (int *) &g_E, ival = 21;
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intp < ((int *) &g_E + sizeof (g_E) / sizeof (int));
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intp++, ival++)
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{
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*intp = ival;
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}
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// Overlay the nonportable initialization with legal initialization.
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// ????? = 21; (g_E.A::a = 21; is ambiguous)
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// ????? = 22; (g_E.A::x = 22; is ambiguous)
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g_E.B::b = 23;
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g_E.B::x = 24;
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// ????? = 25;
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// ????? = 26;
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g_E.C::c = 27;
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g_E.C::x = 28;
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g_E.D::d = 29;
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g_E.D::x = 30;
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g_E.E::e = 31;
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g_E.E::x = 32;
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g_anon_union.one = 1;
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g_anon_union.a = 2;
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inheritance2 ();
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}
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// ======================== static member functions =====================
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class Static {
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public:
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static void ii(int, int);
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};
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void Static::ii (int, int) { }
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// ======================== virtual base classes=========================
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class vA {
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public:
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int va;
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int vx;
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};
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vA g_vA;
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class vB : public virtual vA {
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public:
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int vb;
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int vx;
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};
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vB g_vB;
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class vC : public virtual vA {
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public:
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int vc;
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int vx;
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};
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vC g_vC;
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class vD : public virtual vB, public virtual vC {
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public:
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int vd;
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int vx;
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};
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vD g_vD;
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class vE : public virtual vD {
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public:
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int ve;
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int vx;
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};
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vE g_vE;
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void inheritance4 (void)
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{
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}
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void inheritance3 (void)
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{
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int ival;
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int *intp;
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// {vA::va, vA::vx}
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g_vA.vA::va = 1;
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g_vA.vA::vx = 2;
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// {{vA::va, vA::vx}, vB::vb, vB::vx}
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g_vB.vA::va = 3;
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g_vB.vA::vx = 4;
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g_vB.vB::vb = 5;
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g_vB.vB::vx = 6;
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// {{vA::va, vA::vx}, vC::vc, vC::vx}
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g_vC.vA::va = 7;
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g_vC.vA::vx = 8;
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g_vC.vC::vc = 9;
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g_vC.vC::vx = 10;
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// {{{{vA::va, vA::vx}, vB::vb, vB::vx}, vC::vc, vC::vx}, vD::vd,vD::vx}
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g_vD.vA::va = 11;
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g_vD.vA::vx = 12;
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g_vD.vB::vb = 13;
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g_vD.vB::vx = 14;
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g_vD.vC::vc = 15;
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g_vD.vC::vx = 16;
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g_vD.vD::vd = 17;
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g_vD.vD::vx = 18;
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// {{{{{vA::va,vA::vx},vB::vb,vB::vx},vC::vc,vC::vx},vD::vd,vD::vx},vE::ve,vE::vx}
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g_vD.vA::va = 19;
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g_vD.vA::vx = 20;
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g_vD.vB::vb = 21;
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g_vD.vB::vx = 22;
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g_vD.vC::vc = 23;
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g_vD.vC::vx = 24;
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g_vD.vD::vd = 25;
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g_vD.vD::vx = 26;
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g_vE.vE::ve = 27;
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g_vE.vE::vx = 28;
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inheritance4 ();
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}
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// ======================================================================
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class Base1 {
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public:
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int x;
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Base1(int i) { x = i; }
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};
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class Foo
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{
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public:
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int x;
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int y;
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static int st;
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Foo (int i, int j) { x = i; y = j; }
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int operator! ();
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operator int ();
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int times (int y);
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};
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class Bar : public Base1, public Foo {
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public:
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int z;
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Bar (int i, int j, int k) : Base1 (10*k), Foo (i, j) { z = k; }
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};
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int Foo::operator! () { return !x; }
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int Foo::times (int y) { return x * y; }
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int Foo::st = 100;
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Foo::operator int() { return x; }
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Foo foo(10, 11);
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Bar bar(20, 21, 22);
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class ClassWithEnum {
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public:
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enum PrivEnum { red, green, blue, yellow = 42 };
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PrivEnum priv_enum;
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int x;
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};
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void enums2 (void)
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{
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}
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/* classes.exp relies on statement order in this function for testing
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enumeration fields. */
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void enums1 ()
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{
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ClassWithEnum obj_with_enum;
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obj_with_enum.priv_enum = ClassWithEnum::red;
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obj_with_enum.x = 0;
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enums2 ();
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obj_with_enum.priv_enum = ClassWithEnum::green;
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}
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class ClassParam {
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public:
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int Aptr_a (A *a) { return a->a; }
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int Aptr_x (A *a) { return a->x; }
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int Aref_a (A &a) { return a.a; }
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int Aref_x (A &a) { return a.x; }
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int Aval_a (A a) { return a.a; }
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int Aval_x (A a) { return a.x; }
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};
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ClassParam class_param;
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class Contains_static_instance
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{
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public:
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int x;
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int y;
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Contains_static_instance (int i, int j) { x = i; y = j; }
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static Contains_static_instance null;
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};
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Contains_static_instance Contains_static_instance::null(0,0);
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Contains_static_instance csi(10,20);
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class Contains_nested_static_instance
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{
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public:
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class Nested
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{
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public:
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Nested(int i) : z(i) {}
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int z;
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static Contains_nested_static_instance xx;
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};
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Contains_nested_static_instance(int i, int j) : x(i), y(j) {}
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int x;
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int y;
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static Contains_nested_static_instance null;
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static Nested yy;
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};
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Contains_nested_static_instance Contains_nested_static_instance::null(0, 0);
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Contains_nested_static_instance::Nested Contains_nested_static_instance::yy(5);
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Contains_nested_static_instance
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Contains_nested_static_instance::Nested::xx(1,2);
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Contains_nested_static_instance cnsi(30,40);
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typedef struct {
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int one;
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int two;
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} tagless_struct;
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tagless_struct v_tagless;
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/* Try to get the compiler to allocate a class in a register. */
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class small {
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public:
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int x;
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int method ();
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};
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int
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small::method ()
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{
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return x + 5;
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}
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void marker_reg1 () {}
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int
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register_class ()
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{
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/* We don't call any methods for v, so gcc version cygnus-2.3.3-930220
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might put this variable in a register. This is a lose, though, because
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it means that GDB can't call any methods for that variable. */
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register small v;
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int i;
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/* Perform a computation sufficiently complicated that optimizing compilers
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won't optimized out the variable. If some compiler constant-folds this
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whole loop, maybe using a parameter to this function here would help. */
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v.x = 0;
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for (i = 0; i < 13; ++i)
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v.x += i;
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--v.x; /* v.x is now 77 */
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marker_reg1 ();
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return v.x + 5;
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}
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void dummy()
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{
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v_bool = true;
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v_bool_array[0] = false;
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v_bool_array[1] = v_bool;
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}
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void use_methods ()
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{
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/* Refer to methods so that they don't get optimized away. */
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int i;
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i = class_param.Aptr_a (&g_A);
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i = class_param.Aptr_x (&g_A);
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i = class_param.Aref_a (g_A);
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i = class_param.Aref_x (g_A);
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i = class_param.Aval_a (g_A);
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i = class_param.Aval_x (g_A);
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}
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int
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main()
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{
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dummy();
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inheritance1 ();
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inheritance3 ();
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enums1 ();
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register_class ();
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/* FIXME: pmi gets optimized out. Need to do some more computation with
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it or something. (No one notices, because the test is xfail'd anyway,
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but that probably won't always be true...). */
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int Foo::* pmi = &Foo::y;
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/* Make sure the AIX linker doesn't remove the variable. */
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v_tagless.one = 5;
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use_methods ();
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return foo.*pmi;
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}
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/* Create an instance for some classes, otherwise they get optimized away. */
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default_public_struct default_public_s;
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explicit_public_struct explicit_public_s;
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protected_struct protected_s;
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private_struct private_s;
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mixed_protection_struct mixed_protection_s;
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public_class public_c;
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protected_class protected_c;
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default_private_class default_private_c;
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explicit_private_class explicit_private_c;
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mixed_protection_class mixed_protection_c;
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