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693 lines
21 KiB
Plaintext
693 lines
21 KiB
Plaintext
# Copyright 1992-2018 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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#
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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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#
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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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# This file was written by Fred Fish. (fnf@cygnus.com)
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# And rewritten by Michael Chastain <mec.gnu@mindspring.com>.
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set nl "\[\r\n\]+"
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if { [skip_cplus_tests] } { continue }
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load_lib "cp-support.exp"
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standard_testfile .cc
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if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} {
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return -1
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}
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# Test ptype of class objects.
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proc test_ptype_class_objects {} {
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# Simple type.
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cp_test_ptype_class \
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"struct default_public_struct" "" "struct" "default_public_struct" \
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{
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{ field public "int a;" }
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{ field public "int b;" }
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}
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# Another simple type.
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cp_test_ptype_class \
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"struct explicit_public_struct" "" "struct" "explicit_public_struct" \
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{
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{ field public "int a;" }
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{ field public "int b;" }
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}
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# Another simple type.
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cp_test_ptype_class \
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"struct protected_struct" "" "struct" "protected_struct" \
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{
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{ field protected "int a;" }
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{ field protected "int b;" }
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}
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# Another simple type.
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cp_test_ptype_class \
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"struct private_struct" "" "struct" "private_struct" \
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{
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{ field private "int a;" }
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{ field private "int b;" }
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}
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# A bigger type.
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cp_test_ptype_class \
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"struct mixed_protection_struct" "" "struct" "mixed_protection_struct" \
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{
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{ field public "int a;" }
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{ field public "int b;" }
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{ field private "int c;" }
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{ field private "int d;" }
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{ field protected "int e;" }
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{ field protected "int f;" }
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{ field public "int g;" }
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{ field private "int h;" }
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{ field protected "int i;" }
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}
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# All that again with "class" instead of "struct".
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# gdb does not care about the difference anyways.
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cp_test_ptype_class \
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"class public_class" "" "class" "public_class" \
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{
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{ field public "int a;" }
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{ field public "int b;" }
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}
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# Another simple type.
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cp_test_ptype_class \
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"class protected_class" "" "class" "protected_class" \
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{
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{ field protected "int a;" }
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{ field protected "int b;" }
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}
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# Another simple type.
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cp_test_ptype_class \
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"class default_private_class" "" "class" "default_private_class" \
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{
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{ field private "int a;" }
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{ field private "int b;" }
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}
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# Another simple type.
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cp_test_ptype_class \
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"class explicit_private_class" "" "class" "explicit_private_class" \
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{
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{ field private "int a;" }
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{ field private "int b;" }
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}
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# A bigger type.
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cp_test_ptype_class \
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"class mixed_protection_class" "" "class" "mixed_protection_class" \
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{
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{ field public "int a;" }
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{ field public "int b;" }
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{ field private "int c;" }
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{ field private "int d;" }
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{ field protected "int e;" }
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{ field protected "int f;" }
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{ field public "int g;" }
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{ field private "int h;" }
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{ field protected "int i;" }
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}
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# Here are some classes with inheritance.
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# Base class.
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cp_test_ptype_class \
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"class A" "" "class" "A" \
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{
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{ field public "int a;" }
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{ field public "int x;" }
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}
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# Derived class.
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cp_test_ptype_class \
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"class B" "" "class" "B" \
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{
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{ base "public A" }
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{ field public "int b;" }
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{ field public "int x;" }
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}
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# Derived class.
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cp_test_ptype_class \
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"class C" "" "class" "C" \
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{
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{ base "public A" }
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{ field public "int c;" }
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{ field public "int x;" }
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}
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# Derived class, multiple inheritance.
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cp_test_ptype_class \
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"class D" "" "class" "D" \
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{
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{ base "public B" }
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{ base "public C" }
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{ field public "int d;" }
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{ field public "int x;" }
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}
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# Derived class.
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cp_test_ptype_class \
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"class E" "" "class" "E" \
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{
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{ base "public D" }
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{ field public "int e;" }
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{ field public "int x;" }
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}
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# This is a break from inheritance tests.
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#
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# gcc 2.X with stabs (stabs or stabs+?) used to have a problem with
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# static methods whose name is the same as their argument mangling.
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cp_test_ptype_class \
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"class Static" "" "class" "Static" \
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{
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{ method public "static void ii(int, int);" }
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}
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# Here are some virtual inheritance tests.
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# A virtual base class.
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cp_test_ptype_class \
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"class vA" "" "class" "vA" \
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{
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{ field public "int va;" }
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{ field public "int vx;" }
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}
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# A derived class with a virtual base.
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cp_test_ptype_class \
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"class vB" "" "class" "vB" \
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{
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{ base "public virtual vA" }
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{ vbase "vA" }
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{ field public "int vb;" }
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{ field public "int vx;" }
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}
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# Another derived class with a virtual base.
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cp_test_ptype_class \
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"class vC" "" "class" "vC" \
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{
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{ base "public virtual vA" }
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{ vbase "vA" }
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{ field public "int vc;" }
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{ field public "int vx;" }
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}
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# A classic diamond class.
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cp_test_ptype_class \
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"class vD" "" "class" "vD" \
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{
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{ base "public virtual vB" }
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{ base "public virtual vC" }
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{ vbase "vC" }
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{ vbase "vB" }
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{ field public "int vd;" }
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{ field public "int vx;" }
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}
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# A class derived from a diamond class.
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cp_test_ptype_class \
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"class vE" "" "class" "vE" \
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{
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{ base "public virtual vD" }
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{ vbase "vD" }
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{ field public "int ve;" }
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{ field public "int vx;" }
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}
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# Another inheritance series.
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# A base class.
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cp_test_ptype_class \
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"class Base1" "" "class" "Base1" \
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{
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{ field public "int x;" }
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{ method public "Base1(int);" }
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}
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# Another base class.
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cp_test_ptype_class \
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"class Foo" "" "class" "Foo" \
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{
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{ field public "int x;" }
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{ field public "int y;" }
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{ field public "static int st;" }
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{ method public "Foo(int, int);" }
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{ method public "int operator!();" }
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{ method public "operator int();" }
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{ method public "int times(int);" }
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} \
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"" \
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{
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{
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"operator int();"
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"int operator int();"
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{ setup_kfail "gdb/1497" "*-*-*" }
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}
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{
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"operator int();"
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"int operator int(void);"
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{ setup_kfail "gdb/1497" "*-*-*" }
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}
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}
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# A multiple inheritance derived class.
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cp_test_ptype_class \
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"class Bar" "" "class" "Bar" \
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{
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{ base "public Base1" }
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{ base "public Foo" }
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{ field public "int z;" }
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{ method public "Bar(int, int, int);" }
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}
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# Derived class with typedef'd baseclass with virtual methods.
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cp_test_ptype_class \
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"class DynamicBar" "" "class" "DynamicBar" \
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{
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{ base "public DynamicBase2" }
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{ field public "int y;" }
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{ method public "DynamicBar(int, int);" }
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}
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# Classes with typedefs of different access.
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cp_test_ptype_class \
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"class class_with_typedefs" "" "class" "class_with_typedefs" \
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{
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{ field protected \
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"class_with_typedefs::public_int public_int_;" }
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{ field protected \
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"class_with_typedefs::protected_int protected_int_;" }
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{ field protected \
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"class_with_typedefs::private_int private_int_;" }
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{ method public "class_with_typedefs(void);" }
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{ method public "class_with_typedefs::public_int add_public(class_with_typedefs::public_int);" }
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{ method public \
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"class_with_typedefs::public_int add_all(int);" }
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{ method protected "class_with_typedefs::protected_int add_protected(class_with_typedefs::protected_int);" }
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{ method private "class_with_typedefs::private_int add_private(class_with_typedefs::private_int);" }
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{ typedef public "typedef int public_int;" }
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{ typedef protected "typedef int protected_int;" }
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{ typedef private "typedef int private_int;" }
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}
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cp_test_ptype_class \
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"class class_with_public_typedef" "" "class" \
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"class_with_public_typedef" {
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{ field private "int a;" }
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{ field public "class_with_public_typedef::INT b;" }
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{ typedef public "typedef int INT;" }
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}
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cp_test_ptype_class \
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"class class_with_protected_typedef" "" "class" \
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"class_with_protected_typedef" {
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{ field private "int a;" }
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{ field protected "class_with_protected_typedef::INT b;" }
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{ typedef protected "typedef int INT;" }
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}
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cp_test_ptype_class \
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"struct struct_with_protected_typedef" "" "struct" \
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"struct_with_protected_typedef" {
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{ field public "int a;" }
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{ field protected "struct_with_protected_typedef::INT b;" }
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{ typedef protected "typedef int INT;" }
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}
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cp_test_ptype_class \
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"struct struct_with_private_typedef" "" "struct" \
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"struct_with_private_typedef" {
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{ field public "int a;" }
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{ field private "struct_with_private_typedef::INT b;" }
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{ typedef private "typedef int INT;" }
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}
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# For the following two cases, we cannot use cp_test_ptype_class.
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# We need to explicitly check whether the access label was suppressed.
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set ws {[ \t\r\n]*}
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foreach {tag lbl} {"class" "private" "struct" "public"} {
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gdb_test "ptype/r ${tag}_with_${lbl}_typedef" "type = $tag ${tag}_with_${lbl}_typedef \{${ws}int a;${ws}${tag}_with_${lbl}_typedef::INT b;${ws}typedef int INT;${ws}\}"
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}
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}
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# Test simple access to class members.
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proc test_non_inherited_member_access {} {
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# Print non-inherited members of g_A.
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gdb_test "print g_A.a" ".* = 1"
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gdb_test "print g_A.x" ".* = 2"
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# Print non-inherited members of g_B.
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gdb_test "print g_B.b" ".* = 5"
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gdb_test "print g_B.x" ".* = 6"
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# Print non-inherited members of g_C.
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gdb_test "print g_C.c" ".* = 9"
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gdb_test "print g_C.x" ".* = 10"
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# Print non-inherited members of g_D.
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gdb_test "print g_D.d" ".* = 19"
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gdb_test "print g_D.x" ".* = 20"
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# Print non-inherited members of g_E.
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gdb_test "print g_E.e" ".* = 31"
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gdb_test "print g_E.x" ".* = 32"
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}
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# Test access to members of other classes.
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# gdb should refuse to print them.
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# (I feel old -- I remember when this was legal in C -- chastain).
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proc test_wrong_class_members {} {
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gdb_test "print g_A.b" "There is no member( or method|) named b."
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gdb_test "print g_B.c" "There is no member( or method|) named c."
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gdb_test "print g_B.d" "There is no member( or method|) named d."
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gdb_test "print g_C.b" "There is no member( or method|) named b."
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gdb_test "print g_C.d" "There is no member( or method|) named d."
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gdb_test "print g_D.e" "There is no member( or method|) named e."
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}
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# Test access to names that are not members of any class.
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proc test_nonexistent_members {} {
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gdb_test "print g_A.y" "There is no member( or method|) named y."
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gdb_test "print g_B.z" "There is no member( or method|) named z."
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gdb_test "print g_C.q" "There is no member( or method|) named q."
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gdb_test "print g_D.p" "There is no member( or method|) named p."
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}
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# Call a method that expects a base class parameter with base, inherited,
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# and unrelated class arguments.
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proc test_method_param_class {} {
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gdb_test "call class_param.Aptr_a (&g_A)" ".* = 1"
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gdb_test "call class_param.Aptr_x (&g_A)" ".* = 2"
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gdb_test "call class_param.Aptr_a (&g_B)" ".* = 3"
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gdb_test "call class_param.Aptr_x (&g_B)" ".* = 4"
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gdb_test "call class_param.Aref_a (g_A)" ".* = 1"
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gdb_test "call class_param.Aref_x (g_A)" ".* = 2"
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gdb_test "call class_param.Aref_a (g_B)" ".* = 3"
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gdb_test "call class_param.Aref_x (g_B)" ".* = 4"
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gdb_test "call class_param.Aval_a (g_A)" ".* = 1"
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gdb_test "call class_param.Aval_x (g_A)" ".* = 2"
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gdb_test "call class_param.Aval_a (g_B)" ".* = 3"
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gdb_test "call class_param.Aval_x (g_B)" ".* = 4"
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gdb_test "call class_param.Aptr_a (&foo)" "Cannot resolve .*" "unrelated class *param"
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gdb_test "call class_param.Aref_a (foo)" "Cannot resolve .*" "unrelated class ¶m"
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gdb_test "call class_param.Aval_a (foo)" "Cannot resolve .*" "unrelated class param"
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}
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# Examine a class with an enum field.
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proc test_enums {} {
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global gdb_prompt
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global nl
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# print the object
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# We match the enum values with and without qualifiers. As of
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# 2008-08-21 we can output the qualifiers for DWARF-2.
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gdb_test "print obj_with_enum" \
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"\\$\[0-9\]+ = \{priv_enum = (ClassWithEnum::)?red, x = 0\}" \
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"print obj_with_enum (1)"
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# advance one line
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gdb_test "next" ".*"
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# print the object again
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gdb_test "print obj_with_enum" \
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"\\$\[0-9\]+ = \{priv_enum = (ClassWithEnum::)?green, x = 0\}" \
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"print obj_with_enum (2)"
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# print the enum member
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gdb_test "print obj_with_enum.priv_enum" "\\$\[0-9\]+ = (ClassWithEnum::)?green"
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# ptype on the enum member
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gdb_test_multiple "ptype obj_with_enum.priv_enum" "ptype obj_with_enum.priv_enum" {
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-re "type = enum ClassWithEnum::PrivEnum (: unsigned (int|short|char) )?\{ ?(ClassWithEnum::)?red, (ClassWithEnum::)?green, (ClassWithEnum::)?blue, (ClassWithEnum::)?yellow = 42 ?\}$nl$gdb_prompt $" {
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pass "ptype obj_with_enum.priv_enum"
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}
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-re "type = enum PrivEnum \{ ?(ClassWithEnum::)?red, (ClassWithEnum::)?green, (ClassWithEnum::)?blue, (ClassWithEnum::)?yellow = 42 ?\}$nl$gdb_prompt $" {
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# gcc 2.95.3 -gdwarf-2
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# gcc 3.3.2 -gdwarf-2
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pass "ptype obj_with_enum.priv_enum"
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}
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-re "type = enum \{ ?red, green, blue, yellow = 42 ?\}$nl$gdb_prompt $" {
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# This case case is a little dubious, but it's not clear what
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# ought to be required of a ptype on a private enum...
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# -sts 19990324
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#
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# It bugs me that this happens with gcc 3.
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# -- chastain 2003-12-30
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#
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# gcc 2.95.3 -gstabs+
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# gcc 3.3.2 -gstabs+
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# gcc HEAD 2003-12-28 21:08:30 UTC -gstabs+
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pass "ptype obj_with_enum.priv_enum"
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}
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}
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# ptype on the object
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# NOTE: carlton/2003-02-28: One could certainly argue that plain
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# "PrivEnum"
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# is acceptable: PrivEnum is a member of ClassWithEnum, so
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# there's no need to explicitly qualify its name with
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|
# "ClassWithEnum::". The truth, though, is that GDB is simply
|
|
# forgetting that PrivEnum is a member of ClassWithEnum, so we do
|
|
# that output for a bad reason instead of a good reason. Under
|
|
# stabs, we probably can't get this right; under DWARF-2, we can.
|
|
|
|
cp_test_ptype_class \
|
|
"obj_with_enum" "" "class" "ClassWithEnum" \
|
|
{
|
|
{ field public "ClassWithEnum::PrivEnum priv_enum;" }
|
|
{ field public "int x;" }
|
|
} \
|
|
"" \
|
|
{
|
|
{
|
|
"ClassWithEnum::PrivEnum priv_enum;"
|
|
"PrivEnum priv_enum;"
|
|
{ setup_kfail "gdb/57" "*-*-*" }
|
|
}
|
|
}
|
|
|
|
# I'll do this test two different ways, because of a parser bug.
|
|
# See PR gdb/1588.
|
|
|
|
gdb_test_multiple "print (ClassWithEnum::PrivEnum) 42" "print (ClassWithEnum::PrivEnum) 42" {
|
|
-re "\\$\[0-9\]+ = (ClassWithEnum::)?yellow$nl$gdb_prompt $" {
|
|
pass "print (ClassWithEnum::PrivEnum) 42"
|
|
}
|
|
-re "A (parse|syntax) error in expression, near `42'.$nl$gdb_prompt $" {
|
|
# "parse error" is bison 1.35.
|
|
# "syntax error" is bison 1.875.
|
|
kfail "gdb/1588" "print (ClassWithEnum::PrivEnum) 42"
|
|
}
|
|
}
|
|
|
|
gdb_test_multiple "print ('ClassWithEnum::PrivEnum') 42" "print ('ClassWithEnum::PrivEnum') 42" {
|
|
-re "\\$\[0-9\]+ = (ClassWithEnum::)?yellow$nl$gdb_prompt $" {
|
|
# gcc 3.3.2 -gstabs+
|
|
# gcc HEAD 2003-12-28 21:08:30 UTC -gstabs+
|
|
pass "print ('ClassWithEnum::PrivEnum') 42"
|
|
}
|
|
-re "No symbol \"ClassWithEnum::PrivEnum\" in current context.$nl$gdb_prompt $" {
|
|
# gcc 2.95.3 -gdwarf-2
|
|
# gcc 3.3.2 -gdwarf-2
|
|
# gcc HEAD 2003-12-28 21:08:30 UTC -gdwarf-2
|
|
# gcc 2.95.3 -gstabs+
|
|
kfail "gdb/57" "print ('ClassWithEnum::PrivEnum') 42"
|
|
}
|
|
}
|
|
}
|
|
|
|
# Pointers to class members
|
|
|
|
proc test_pointers_to_class_members {} {
|
|
gdb_test "print Bar::z" "Cannot reference non-static field \"z\""
|
|
gdb_test "print &Foo::x" "\\$\[0-9\]+ = &Foo::x"
|
|
gdb_test "print (int)&Foo::x" "\\$\[0-9\]+ = 0"
|
|
gdb_test "print (int)&Bar::y == 2*sizeof(int)" "\\$\[0-9\]+ = true"
|
|
|
|
gdb_test "ptype Bar::z" "type = int"
|
|
gdb_test "ptype &Bar::z" "type = int Bar::\\*"
|
|
|
|
# TODO: this is a bogus test. It's looking at a variable that
|
|
# has not even been declared yet, so it's accessing random junk
|
|
# on the stack and comparing that it's NOT equal to a specific
|
|
# value. It's been like this since gdb 4.10 in 1993!
|
|
# -- chastain 2004-01-01
|
|
gdb_test "print (int)pmi == sizeof(int)" ".* = false"
|
|
}
|
|
|
|
# Test static members.
|
|
|
|
proc test_static_members {} {
|
|
global hex
|
|
|
|
gdb_test "print Foo::st" "\\$\[0-9\]+ = 100"
|
|
gdb_test_no_output "set foo.st = 200" ""
|
|
gdb_test "print bar.st" "\\$\[0-9\]+ = 200"
|
|
gdb_test "print &foo.st" "\\$\[0-9\]+ = \\(int ?\\*\\) $hex <Foo::st>"
|
|
gdb_test "print &Bar::st" "\\$\[0-9\]+ = \\(int ?\\*\\) $hex <Foo::st>"
|
|
gdb_test "print *\$" "\\$\[0-9\]+ = 200"
|
|
|
|
gdb_test_no_output "set print static-members off"
|
|
gdb_test "print csi" \
|
|
"{x = 10, y = 20}" \
|
|
"print csi without static members"
|
|
gdb_test "print cnsi" \
|
|
"{x = 30, y = 40}" \
|
|
"print cnsi without static members"
|
|
|
|
gdb_test_no_output "set print static-members on"
|
|
gdb_test "print csi" \
|
|
"{x = 10, y = 20, static null = {x = 0, y = 0, static null = <same as static member of an already seen type>}}" \
|
|
"print csi with static members"
|
|
gdb_test "print cnsi" \
|
|
"{x = 30, y = 40, static null = {x = 0, y = 0, static null = <same as static member of an already seen type>, static yy = {z = 5, static xx = {x = 1, y = 2, static null = <same as static member of an already seen type>, static yy = <same as static member of an already seen type>}}}, static yy = <same as static member of an already seen type>}" \
|
|
"print cnsi with static members"
|
|
|
|
# Another case of infinite recursion.
|
|
gdb_test "print Outer::instance" \
|
|
"{inner = {static instance = {static instance = <same as static member of an already seen type>}}, static instance = {inner = {static instance = {static instance = <same as static member of an already seen type>}}, static instance = <same as static member of an already seen type>}}" \
|
|
"print recursive static member"
|
|
}
|
|
|
|
proc do_tests {} {
|
|
global gdb_prompt
|
|
global nl
|
|
|
|
|
|
gdb_test_no_output "set language c++" ""
|
|
gdb_test_no_output "set width 0" ""
|
|
|
|
if ![runto_main ] then {
|
|
perror "couldn't run to breakpoint"
|
|
return
|
|
}
|
|
|
|
gdb_breakpoint inheritance2
|
|
gdb_test "continue" ".*Breakpoint .* inheritance2.*" ""
|
|
|
|
test_ptype_class_objects
|
|
test_non_inherited_member_access
|
|
test_wrong_class_members
|
|
test_nonexistent_members
|
|
test_method_param_class
|
|
|
|
gdb_breakpoint enums2
|
|
gdb_test "continue" ".*Breakpoint .* enums2.*" "continue to enums2(\\(\\)|)"
|
|
# Leave enums2. Make sure we reach the next line, in case there
|
|
# are any more instructions to finish the function call.
|
|
gdb_test_multiple "finish" "" {
|
|
-re "enums2 \\(\\);.*$gdb_prompt $" {
|
|
gdb_test "next" ".*" ""
|
|
}
|
|
-re "$gdb_prompt $" { }
|
|
}
|
|
test_enums
|
|
|
|
gdb_test "finish" ".*" ""
|
|
test_pointers_to_class_members
|
|
test_static_members
|
|
|
|
# Now some random tests that were just thrown in here.
|
|
|
|
gdb_breakpoint marker_reg1
|
|
gdb_test "continue" ".*Breakpoint .* marker_reg1.*" ""
|
|
gdb_test "finish" "Run till exit from.*" "finish from marker_reg1"
|
|
|
|
# This class is so small that an instance of it can fit in a register.
|
|
# When gdb tries to call a method, it gets embarrassed about taking
|
|
# the address of a register.
|
|
#
|
|
# TODO: I think that message should be a PASS, not an XFAIL.
|
|
# gdb prints an informative message and declines to do something
|
|
# impossible.
|
|
#
|
|
# The method call actually succeeds if the compiler allocates very
|
|
# small classes in memory instead of registers. So this test does
|
|
# not tell us anything interesting if the call succeeds.
|
|
#
|
|
# -- chastain 2003-12-31
|
|
gdb_test_multiple "print v.method ()" "calling method for small class" {
|
|
-re "\\$\[0-9\]+ = 82$nl$gdb_prompt $" {
|
|
# gcc 3.3.2 -gdwarf-2
|
|
# gcc HEAD 2003-12-28 21:08:30 UTC -gdwarf-2
|
|
# gcc 3.3.2 -gstabs+
|
|
# gcc HEAD 2003-12-28 21:08:30 UTC -gstabs+
|
|
pass "calling method for small class"
|
|
}
|
|
-re "Address requested for identifier \"v\" which is in register .*$nl$gdb_prompt $" {
|
|
# gcc 2.95.3 -gdwarf-2
|
|
# gcc 2.95.3 -gstabs+
|
|
setup_xfail "*-*-*" 2972
|
|
fail "calling method for small class"
|
|
}
|
|
}
|
|
|
|
gdb_test "print base1::Base1" "<.*Base1.*>" "print ctor of typedef class"
|
|
gdb_test "print base1::~Base1" "<.*~Base1(\\(\\))?>" \
|
|
"print dtor of typedef class"
|
|
|
|
gdb_test "list ByAnyOtherName::times" ".*int Foo::times.*"
|
|
}
|
|
|
|
do_tests
|