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# Copyright 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,

# 2004, 2006, 2007, 2008, 2009, 2010 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 .

# This file was written by Fred Fish. (fnf@cygnus.com)

# And rewritten by Michael Chastain .

set nl "\[\r\n\]+"

if $tracelevel then {

    strace $tracelevel

}

if { [skip_cplus_tests] } { continue }

load_lib "cp-support.exp"

set testfile "classes"

set srcfile ${testfile}.cc

set binfile ${objdir}/${subdir}/${testfile}

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {

     untested classes.exp

     return -1

}

# Test ptype of class objects.

proc test_ptype_class_objects {} {

    # Simple type.

    cp_test_ptype_class \

        "ptype struct default_public_struct" "" "struct" "default_public_struct" \

        {

            { field public "int a;" }

            { field public "int b;" }

        }

    # Another simple type.

    cp_test_ptype_class \

        "ptype struct explicit_public_struct" "" "struct" "explicit_public_struct" \

        {

            { field public "int a;" }

            { field public "int b;" }

        }

    # Another simple type.

    cp_test_ptype_class \

        "ptype struct protected_struct" "" "struct" "protected_struct" \

        {

            { field protected "int a;" }

            { field protected "int b;" }

        }

    # Another simple type.

    cp_test_ptype_class \

        "ptype struct private_struct" "" "struct" "private_struct" \

        {

            { field private "int a;" }

            { field private "int b;" }

        }

    # A bigger type.

    cp_test_ptype_class \

        "ptype struct mixed_protection_struct" "" "struct" "mixed_protection_struct" \

        {

            { field public    "int a;" }

            { field public    "int b;" }

            { field private   "int c;" }

            { field private   "int d;" }

            { field protected "int e;" }

            { field protected "int f;" }

            { field public    "int g;" }

            { field private   "int h;" }

            { field protected "int i;" }

        }

    # All that again with "class" instead of "struct".

    # gdb does not care about the difference anyways.

    cp_test_ptype_class \

        "ptype class public_class" "" "class" "public_class" \

        {

            { field public "int a;" }

            { field public "int b;" }

        }

    # Another simple type.

    cp_test_ptype_class \

        "ptype class protected_class" "" "class" "protected_class" \

        {

            { field protected "int a;" }

            { field protected "int b;" }

        }

    # Another simple type.

    cp_test_ptype_class \

        "ptype class default_private_class" "" "class" "default_private_class" \

        {

            { field private "int a;" }

            { field private "int b;" }

        }

    # Another simple type.

    cp_test_ptype_class \

        "ptype class explicit_private_class" "" "class" "explicit_private_class" \

        {

            { field private "int a;" }

            { field private "int b;" }

        }

    # A bigger type.

    cp_test_ptype_class \

        "ptype class mixed_protection_class" "" "class" "mixed_protection_class" \

        {

            { field public    "int a;" }

            { field public    "int b;" }

            { field private   "int c;" }

            { field private   "int d;" }

            { field protected "int e;" }

            { field protected "int f;" }

            { field public    "int g;" }

            { field private   "int h;" }

            { field protected "int i;" }

        }

    # Here are some classes with inheritance.

    # Base class.

    cp_test_ptype_class \

        "ptype class A" "" "class" "A" \

        {

            { field public "int a;" }

            { field public "int x;" }

        }

    # Derived class.

    cp_test_ptype_class \

        "ptype class B" "" "class" "B" \

        {

            { base         "public A" }

            { field public "int b;" }

            { field public "int x;" }

        }

    # Derived class.

    cp_test_ptype_class \

        "ptype class C" "" "class" "C" \

        {

            { base         "public A" }

            { field public "int c;" }

            { field public "int x;" }

        }

    # Derived class, multiple inheritance.

    cp_test_ptype_class \

        "ptype class D" "" "class" "D" \

        {

            { base         "public B" }

            { base         "public C" }

            { field public "int d;" }

            { field public "int x;" }

        }

    # Derived class.

    cp_test_ptype_class \

        "ptype class E" "" "class" "E" \

        {

            { base         "public D" }

            { field public "int e;" }

            { field public "int x;" }

        }

    # This is a break from inheritance tests.

    #

    # gcc 2.X with stabs (stabs or stabs+?) used to have a problem with

    # static methods whose name is the same as their argument mangling.

    cp_test_ptype_class \

        "ptype class Static" "" "class" "Static" \

        {

            { method public "static void ii(int, int);" }

        }

    # Here are some virtual inheritance tests.

    # A virtual base class.

    cp_test_ptype_class \

        "ptype class vA" "" "class" "vA" \

        {

            { field public "int va;" }

            { field public "int vx;" }

        }

    # A derived class with a virtual base.

    cp_test_ptype_class \

        "ptype class vB" "" "class" "vB" \

        {

            { base         "public virtual vA" }

            { vbase        "vA" }

            { field public "int vb;" }

            { field public "int vx;" }

        }

    # Another derived class with a virtual base.

    cp_test_ptype_class \

        "ptype class vC" "" "class" "vC" \

        {

            { base         "public virtual vA" }

            { vbase        "vA" }

            { field public "int vc;" }

            { field public "int vx;" }

        }

    # A classic diamond class.

    cp_test_ptype_class \

        "ptype class vD" "" "class" "vD" \

        {

            { base         "public virtual vB" }

            { base         "public virtual vC" }

            { vbase        "vC" }

            { vbase        "vB" }

            { field public "int vd;" }

            { field public "int vx;" }

        }

    # A class derived from a diamond class.

    cp_test_ptype_class \

        "ptype class vE" "" "class" "vE" \

        {

            { base         "public virtual vD" }

            { vbase        "vD" }

            { field public "int ve;" }

            { field public "int vx;" }

        }

    # Another inheritance series.

    # A base class.

    cp_test_ptype_class \

        "ptype class Base1" "" "class" "Base1" \

        {

            { field  public "int x;" }

            { method public "Base1(int);" }

        }

    # Another base class.

    cp_test_ptype_class \

        "ptype class Foo" "" "class" "Foo" \

        {

            { field public "int x;" }

            { field public "int y;" }

            { field public "static int st;" }

            { method public "Foo(int, int);" }

            { method public "int operator!();" }

            { method public "operator int();" }

            { method public "int times(int);" }

        } \

        "" \

        {

            {

                "operator int();"

                "int operator int();"

                { setup_kfail "gdb/1497" "*-*-*" }

            }

            {

                "operator int();"

                "int operator int(void);"

                { setup_kfail "gdb/1497" "*-*-*" }

            }

        }

    # A multiple inheritance derived class.

    cp_test_ptype_class \

        "ptype class Bar" "" "class" "Bar" \

        {

            { base          "public Base1" }

            { base          "public Foo" }

            { field  public "int z;" }

            { method public "Bar(int, int, int);" }

        }

}

# Test simple access to class members.

proc test_non_inherited_member_access {} {

    # Print non-inherited members of g_A.

    gdb_test "print g_A.a" ".* = 1"

    gdb_test "print g_A.x" ".* = 2"

    # Print non-inherited members of g_B.

    gdb_test "print g_B.b" ".* = 5"

    gdb_test "print g_B.x" ".* = 6"

    # Print non-inherited members of g_C.

    gdb_test "print g_C.c" ".* = 9"

    gdb_test "print g_C.x" ".* = 10"

    # Print non-inherited members of g_D.

    gdb_test "print g_D.d" ".* = 19"

    gdb_test "print g_D.x" ".* = 20"

    # Print non-inherited members of g_E.

    gdb_test "print g_E.e" ".* = 31"

    gdb_test "print g_E.x" ".* = 32"

}

# Test access to members of other classes.

# gdb should refuse to print them.

# (I feel old -- I remember when this was legal in C -- chastain).

proc test_wrong_class_members {} {

    gdb_test "print g_A.b" "There is no member( or method|) named b."

    gdb_test "print g_B.c" "There is no member( or method|) named c."

    gdb_test "print g_B.d" "There is no member( or method|) named d."

    gdb_test "print g_C.b" "There is no member( or method|) named b."

    gdb_test "print g_C.d" "There is no member( or method|) named d."

    gdb_test "print g_D.e" "There is no member( or method|) named e."

}

# Test access to names that are not members of any class.

proc test_nonexistent_members {} {

    gdb_test "print g_A.y" "There is no member( or method|) named y."

    gdb_test "print g_B.z" "There is no member( or method|) named z."

    gdb_test "print g_C.q" "There is no member( or method|) named q."

    gdb_test "print g_D.p" "There is no member( or method|) named p."

}

# Call a method that expects a base class parameter with base, inherited,

# and unrelated class arguments.

proc test_method_param_class {} {

    gdb_test "call class_param.Aptr_a (&g_A)" ".* = 1"

    gdb_test "call class_param.Aptr_x (&g_A)" ".* = 2"

    gdb_test "call class_param.Aptr_a (&g_B)" ".* = 3"

    gdb_test "call class_param.Aptr_x (&g_B)" ".* = 4"

    gdb_test "call class_param.Aref_a (g_A)" ".* = 1"

    gdb_test "call class_param.Aref_x (g_A)" ".* = 2"

    gdb_test "call class_param.Aref_a (g_B)" ".* = 3"

    gdb_test "call class_param.Aref_x (g_B)" ".* = 4"

    gdb_test "call class_param.Aval_a (g_A)" ".* = 1"

    gdb_test "call class_param.Aval_x (g_A)" ".* = 2"

    gdb_test "call class_param.Aval_a (g_B)" ".* = 3"

    gdb_test "call class_param.Aval_x (g_B)" ".* = 4"

    gdb_test "call class_param.Aptr_a (&foo)" "Cannot resolve .*" "unrelated class *param"

    gdb_test "call class_param.Aref_a (foo)" "Cannot resolve .*" "unrelated class ¶m"

    gdb_test "call class_param.Aval_a (foo)" "Cannot resolve .*" "unrelated class param"

}

# Examine a class with an enum field.

proc test_enums {} {

    global gdb_prompt

    global nl

    # print the object

    # We match the enum values with and without qualifiers.  As of

    # 2008-08-21 we can output the qualifiers for DWARF-2.

    gdb_test "print obj_with_enum" \

        "\\$\[0-9\]+ = \{priv_enum = (ClassWithEnum::)?red, x = 0\}" \

        "print obj_with_enum (1)"

    # advance one line

    gdb_test "next" ""

    # print the object again

    gdb_test "print obj_with_enum" \

        "\\$\[0-9\]+ = \{priv_enum = (ClassWithEnum::)?green, x = 0\}" \

        "print obj_with_enum (2)"

    # print the enum member

    gdb_test "print obj_with_enum.priv_enum" "\\$\[0-9\]+ = (ClassWithEnum::)?green"

    # ptype on the enum member

    gdb_test_multiple "ptype obj_with_enum.priv_enum" "ptype obj_with_enum.priv_enum" {

        -re "type = enum ClassWithEnum::PrivEnum \{ ?(ClassWithEnum::)?red, (ClassWithEnum::)?green, (ClassWithEnum::)?blue, (ClassWithEnum::)?yellow = 42 ?\}$nl$gdb_prompt $" {

            pass "ptype obj_with_enum.priv_enum"

        }

        -re "type = enum PrivEnum \{ ?(ClassWithEnum::)?red, (ClassWithEnum::)?green, (ClassWithEnum::)?blue, (ClassWithEnum::)?yellow = 42 ?\}$nl$gdb_prompt $" {

            # gcc 2.95.3 -gdwarf-2

            # gcc 3.3.2 -gdwarf-2

            pass "ptype obj_with_enum.priv_enum"

        }

        -re "type = enum \{ ?red, green, blue, yellow = 42 ?\}$nl$gdb_prompt $" {

            # This case case is a little dubious, but it's not clear what

            # ought to be required of a ptype on a private enum...

            # -sts 19990324

            #

            # It bugs me that this happens with gcc 3.

            # -- chastain 2003-12-30

            #

            # gcc 2.95.3 -gstabs+

            # gcc 3.3.2 -gstabs+

            # gcc HEAD 2003-12-28 21:08:30 UTC -gstabs+

            pass "ptype obj_with_enum.priv_enum"

        }

    }

    # ptype on the object

    # NOTE: carlton/2003-02-28: One could certainly argue that plain

    # "PrivEnum"

    # is acceptable: PrivEnum is a member of ClassWithEnum, so

    # there's no need to explicitly qualify its name with

    # "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 \

        "ptype 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 "set foo.st = 200" "" ""

    gdb_test "print bar.st" "\\$\[0-9\]+ = 200"

    gdb_test "print &foo.st" "\\$\[0-9\]+ = \\(int ?\\*\\) $hex"

    gdb_test "print &Bar::st" "\\$\[0-9\]+ = \\(int ?\\*\\) $hex"

    gdb_test "print *\$" "\\$\[0-9\]+ = 200"

    gdb_test "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 "set print static-members on" ""

    gdb_test "print csi" \

        "{x = 10, y = 20, static null = {x = 0, y = 0, static null = }}" \

        "print csi with static members"

    gdb_test "print cnsi" \

        "{x = 30, y = 40, static null = {x = 0, y = 0, static null = , static yy = {z = 5, static xx = {x = 1, y = 2, static null = , static yy = }}}, static yy = }" \

        "print cnsi with static members"

}

proc do_tests {} {

    global prms_id

    global bug_id

    global subdir

    global objdir

    global srcdir

    global binfile

    global gdb_prompt

    global nl

    set prms_id 0

    set bug_id 0

    # Start with a fresh gdb.

    gdb_exit

    gdb_start

    gdb_reinitialize_dir $srcdir/$subdir

    gdb_load $binfile

    gdb_test "set language c++" "" ""

    gdb_test "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