Subversion Repositories openrisc_2011-10-31

# Copyright 1998, 1999, 2003, 2004, 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 is part of the gdb testsuite

# tests relating to ambiguous class members

# Written by Satish Pai  1997-07-28

# This file is part of the gdb testsuite

if $tracelevel then {

        strace $tracelevel

        }

#

# test running programs

#

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" }

}