# Copyright 1998, 1999, 2003, 2004 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 2 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, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # 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 # 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" } }