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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [gdb/] [testsuite/] [gdb.cp/] [ambiguous.exp] - Rev 157

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# Copyright 1998, 1999, 2003, 2004, 2007, 2008 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# This file is part of the gdb testsuite

# tests relating to ambiguous class members
# Written by Satish Pai <pai@apollo.hp.com> 1997-07-28

# This file is part of the gdb testsuite

if $tracelevel then {
        strace $tracelevel
        }

#
# test running programs
#

set prms_id 0
set bug_id 0

if { [skip_cplus_tests] } { continue }

set testfile "ambiguous"
set srcfile ${testfile}.cc
set binfile ${objdir}/${subdir}/${testfile}

if [get_compiler_info ${binfile} "c++"] {
    return -1;
}

if { [test_compiler_info gcc-*] } then { continue }

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
     untested ambiguous.exp
     return -1
}


gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}


#
# set it up at a breakpoint so we can play with the variable values
#
if ![runto_main] then {
    perror "couldn't run to breakpoint"
    continue
}

send_gdb "break marker1\n" ; gdb_expect -re ".*$gdb_prompt $"
    send_gdb "cont\n"
    gdb_expect {
        -re "Break.* marker1 \\(\\) at .*:$decimal.*$gdb_prompt $" {
            send_gdb "up\n"
            gdb_expect {
                -re ".*$gdb_prompt $" { pass "up from marker1" }
                timeout { fail "up from marker1" }
            }
        }
        -re "$gdb_prompt $" { fail "continue to marker1"  }
        timeout { fail "(timeout) continue to marker1"  }
    }

# print out various class objects' members.  The values aren't
# important, just check that the warning is emitted at the
# right times. 

# X is derived from A1 and A2; both A1 and A2 have a member 'x'
send_gdb "print x.x\n"
gdb_expect {
   -re "warning: x ambiguous; using X::A2::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
       pass "print x.x"
   }
   -re "warning: x ambiguous; using X::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
       pass "print x.x"
   }
   -re ".*$gdb_prompt $" { fail "print x.x" }
   timeout { fail "(timeout) print x.x" }
}


# N is derived from A1 and A2, but not immediately -- two steps
# up in the hierarchy. Both A1 and A2 have a member 'x'.
send_gdb "print n.x\n"
gdb_expect {
   -re "warning: x ambiguous; using N::M::A2::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
       pass "print n.x"
   }
   -re "warning: x ambiguous; using N::L::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
       pass "print n.x"
   }
   -re ".*$gdb_prompt $" { fail "print n.x" }
   timeout { fail "(timeout) print n.x" }
}

# J is derived from A1 twice.  A1 has a member x. 
send_gdb "print j.x\n"
gdb_expect {
   -re "warning: x ambiguous; using J::L::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
       pass "print j.x"
   }
   -re "warning: x ambiguous; using J::K::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
       pass "print j.x"
   }
   -re ".*$gdb_prompt $" { fail "print j.x" }
   timeout { fail "(timeout) print j.x" }
}

# JV is derived from A1 but A1 is a virtual base. Should not
# report an ambiguity in this case. 
send_gdb "print jv.x\n"
gdb_expect {
   -re "warning: x ambiguous.*Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
       fail "print jv.x (ambiguity reported)"
   }
   -re "\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" { pass "print jv.x" }
   -re ".*$gdb_prompt $" { fail "print jv.x (??)" }
   timeout { fail "(timeout) print jv.x" }
}

# JVA1 is derived from A1; A1 occurs as a virtual base in two
# ancestors, and as a non-virtual immediate base. Ambiguity must
# be reported. 
send_gdb "print jva1.x\n"
gdb_expect {
   -re "warning: x ambiguous; using JVA1::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
       pass "print jva1.x"
   }
   -re "warning: x ambiguous; using JVA1::KV::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
       pass "print jva1.x"
   }
   -re ".*$gdb_prompt $" { fail "print jva1.x" }
   timeout { fail "(timeout) print jva1.x" }
}

# JVA2 is derived from A1 & A2; A1 occurs as a virtual base in two
# ancestors, and A2 is a non-virtual immediate base. Ambiguity must
# be reported as A1 and A2 both have a member 'x'.
send_gdb "print jva2.x\n"
gdb_expect {
   -re "warning: x ambiguous; using JVA2::A2::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
       pass "print jva2.x"
   }
   -re "warning: x ambiguous; using JVA2::KV::A1::x. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
       pass "print jva2.x"
   }
   -re ".*$gdb_prompt $" { fail "print jva2.x" }
   timeout { fail "(timeout) print jva2.x" }
}

# JVA1V is derived from A1; A1 occurs as a virtual base in two
# ancestors, and also as a virtual immediate base. Ambiguity must
# not be reported.
send_gdb "print jva1v.x\n"
gdb_expect {
   -re "warning: x ambiguous.*Use a cast to disambiguate.\r\n\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" {
       fail "print jva1v.x (ambiguity reported)"
   }
   -re "\\$\[0-9\]* = \[-\]*\[0-9\]*\r\n$gdb_prompt $" { pass "print jva1v.x" }
   -re ".*$gdb_prompt $" { fail "print jva1v.x (??)" }
   timeout { fail "(timeout) print jva1v.x" }
}

# Now check for ambiguous bases.

# J is derived from A1 twice; report ambiguity if a J is
# cast to an A1.
send_gdb "print (A1)j\n"
gdb_expect {
   -re "warning: A1 ambiguous; using J::L::A1. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
       pass "print (A1)j"
   }
   -re "warning: A1 ambiguous; using J::K::A1. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
       pass "print (A1)j"
   }
   -re ".*$gdb_prompt $" { fail "print (A1)j" }
   timeout { fail "(timeout) print (A1)j" }
}

# JV is derived from A1 twice, but A1 is a virtual base; should
# not report ambiguity when a JV is cast to an A1.
send_gdb "print (A1)jv\n"
gdb_expect {
   -re "warning: A1 ambiguous.*Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
       fail "print (A1)jv (ambiguity reported)"
   }
   -re "\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" { pass "print (A1)jv" }
   -re ".*$gdb_prompt $" { fail "print (A1)jv (??)" }
   timeout { fail "(timeout) print (A1)jv" }
}

# JVA1 is derived from A1; A1 is a virtual base and also a
# non-virtual base.  Must report ambiguity if a JVA1 is cast to an A1.
send_gdb "print (A1)jva1\n"
gdb_expect {
   -re "warning: A1 ambiguous; using JVA1::A1. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
       pass "print (A1)jva1"
   }
   -re "warning: A1 ambiguous; using JVA1::KV::A1. Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
       pass "print (A1)jva1"
   }
   -re ".*$gdb_prompt $" { fail "print (A1)jva1" }
   timeout { fail "(timeout) print (A1)jva1" }
}

# JVA1V is derived from A1; A1 is a virtual base indirectly
# and also directly; must not report ambiguity when a JVA1V is cast to an A1.
send_gdb "print (A1)jva1v\n"
gdb_expect {
   -re "warning: A1 ambiguous.*Use a cast to disambiguate.\r\n\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" {
       fail "print (A1)jva1v (ambiguity reported)"
   }
   -re "\\$\[0-9\]* = \{x = \[-\]*\[0-9\]*, y = \[-\]*\[0-9\]*\}\r\n$gdb_prompt $" { pass "print (A1)jva1v"
   }
   -re ".*$gdb_prompt $" { fail "print (A1)jva1v (??)" }
   timeout { fail "(timeout) print (A1)jva1v" }
}

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