gdb/testsuite/gdb.cp/derivation.exp

   1 # Copyright 1998-2023 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # This file was written by Elena Zannoni (ezannoni@cygnus.com)
  17 # And rewritten by Michael Chastain <mec.gnu@mindspring.com>
  18
  19 # This file is part of the gdb testsuite
  20
  21 # tests for inheritance, with several derivations types combinations
  22 # (private, public, protected)
  23 # classes have simple members and member functions.
  24
  25 set ws "\[\r\n\t \]+"
  26 set nl "\[\r\n\]+"
  27
  28 # Start program.
  29
  30
  31 if { [skip_cplus_tests] } { return }
  32
  33 load_lib "cp-support.exp"
  34
  35 standard_testfile derivation.cc derivation2.cc
  36
  37 if {[prepare_for_testing "failed to prepare" $testfile \
  38         [list $srcfile $srcfile2] {debug c++}]} {
  39     return -1
  40 }
  41
  42 # Check inheritance of typedefs.
  43 with_test_prefix "before run" {
  44     foreach klass {"A" "D" "E" "F" "A2" "D2"} {
  45         gdb_test "ptype ${klass}::value_type" "type = int"
  46         gdb_test "whatis ${klass}::value_type" "type = int"
  47         gdb_test "p (${klass}::value_type) 0" " = 0"
  48     }
  49     foreach klass {"Z" "ZZ"} {
  50         gdb_test "ptype ${klass}::value_type" "type = float"
  51         gdb_test "whatis ${klass}::value_type" "type = float"
  52         gdb_test "p (${klass}::value_type) 0" " = 0"
  53     }
  54 }
  55
  56 # Set it up at a breakpoint so we can play with the variable values.
  57
  58 if {![runto 'marker1']} {
  59     return
  60 }
  61
  62 # Check inheritance of typedefs again, but this time with an active block.
  63 with_test_prefix "at marker1" {
  64     foreach klass {"A" "D" "A2" "D2"} {
  65         gdb_test "ptype ${klass}::value_type" "type = int"
  66         gdb_test "whatis ${klass}::value_type" "type = int"
  67         gdb_test "p (${klass}::value_type) 0" " = 0"
  68     }
  69 }
  70
  71 gdb_test "up" ".*main.*" "up from marker1"
  72
  73 # Print class types and values.
  74
  75 # class A
  76
  77 gdb_test "print a_instance" "\\$\[0-9\]+ = \{a = 1, aa = 2\}" "print value of a_instance"
  78
  79 # Clang does not add accessibility information for typedefs inside classes.
  80 if {[test_compiler_info {clang*} c++]} {
  81     setup_xfail "clang 57608" *-*-*
  82 }
  83 cp_test_ptype_class \
  84     "a_instance" "" "class" "A" \
  85     {
  86         { field  public "A::value_type a;" }
  87         { field  public "A::value_type aa;" }
  88         { method public "A();" }
  89         { method public "A::value_type afoo();" }
  90         { method public "A::value_type foo();" }
  91         { typedef public "typedef int value_type;" }
  92     }
  93
  94 # class D
  95
  96 gdb_test_multiple "print d_instance" "print value of d_instance" {
  97     -re "\\$\[0-9\]+ = \{<(class A|A)> = \{a = 1, aa = 2\}, <(class B|B)> = \{b = 3, bb = 4\}, <(class C|C)> = \{c = 5, cc = 6\}, d = 7, dd = 8\}$nl$gdb_prompt $" {
  98         pass "print value of d_instance"
  99     }
 100 }
 101
 102 cp_test_ptype_class \
 103     "d_instance" "" "class" "D" \
 104     {
 105         { base          "private A" }
 106         { base          "public B" }
 107         { base          "protected C" }
 108         { field  public "A::value_type d;" }
 109         { field  public "A::value_type dd;" }
 110         { method public "D();" }
 111         { method public "A::value_type dfoo();" }
 112         { method public "A::value_type foo();" }
 113     } \
 114     "" \
 115     {
 116         { "protected C" "private C" { setup_xfail "*-*-*" "gcc/13539" } }
 117     }
 118
 119 # class E
 120
 121 gdb_test_multiple "print e_instance" "print value of e_instance" {
 122     -re "\\$\[0-9\]+ = \{<(class A|A)> = \{a = 1, aa = 2\}, <(class B|B)> = \{b = 3, bb = 4\}, <(class C|C)> = \{c = 5, cc = 6\}, e = 9, ee = 10\}$nl$gdb_prompt $" {
 123         pass "print value of e_instance"
 124     }
 125 }
 126
 127 cp_test_ptype_class \
 128     "e_instance" "" "class" "E" \
 129     {
 130         { base          "public A" }
 131         { base          "private B" }
 132         { base          "protected C" }
 133         { field  public "A::value_type e;" }
 134         { field  public "A::value_type ee;" }
 135         { method public "E();" }
 136         { method public "A::value_type efoo();" }
 137         { method public "A::value_type foo();" }
 138     } \
 139     "" \
 140     {
 141         { "protected C" "private C" { setup_xfail "*-*-*" "gcc/13539" } }
 142     }
 143
 144 # class F
 145
 146 gdb_test_multiple "print f_instance" "print value of f_instance" {
 147     -re "\\$\[0-9\]+ = \{<(class A|A)> = \{a = 1, aa = 2\}, <(class B|B)> = \{b = 3, bb = 4\}, <(class C|C)> = \{c = 5, cc = 6\}, f = 11, ff = 12\}$nl$gdb_prompt $" {
 148         pass "print value of f_instance"
 149     }
 150 }
 151
 152 cp_test_ptype_class \
 153     "f_instance" "" "class" "F" \
 154     {
 155         { base          "private A" }
 156         { base          "public B" }
 157         { base          "private C" }
 158         { field  public "A::value_type f;" }
 159         { field  public "A::value_type ff;" }
 160         { method public "F();" }
 161         { method public "A::value_type ffoo();" }
 162         { method public "A::value_type foo();" }
 163     }
 164
 165 # class G
 166 cp_test_ptype_class \
 167     "g_instance" "" "class" "G" \
 168     {
 169         { base          "private A" }
 170         { base          "public B" }
 171         { base          "protected C" }
 172         { field public "int g;" }
 173         { field public "int gg;" }
 174         { field public "int a;" }
 175         { field public "int b;" }
 176         { field public "int c;" }
 177         { method public "int gfoo();" }
 178         { method public "int foo();" }
 179     }
 180
 181 # Print individual fields.
 182
 183 gdb_test "print d_instance.a"  "\\$\[0-9\]+ = 1" "print value of d_instance.a"
 184 gdb_test "print d_instance.aa" "\\$\[0-9\]+ = 2" "print value of d_instance.aa"
 185 gdb_test "print d_instance.b"  "\\$\[0-9\]+ = 3" "print value of d_instance.b"
 186 gdb_test "print d_instance.bb" "\\$\[0-9\]+ = 4" "print value of d_instance.bb"
 187 gdb_test "print d_instance.c"  "\\$\[0-9\]+ = 5" "print value of d_instance.c"
 188 gdb_test "print d_instance.cc" "\\$\[0-9\]+ = 6" "print value of d_instance.cc"
 189 gdb_test "print d_instance.d"  "\\$\[0-9\]+ = 7" "print value of d_instance.d"
 190 gdb_test "print d_instance.dd" "\\$\[0-9\]+ = 8" "print value of d_instance.dd"
 191
 192 # Print some fields which are defined in the top of class G
 193 # and in its base classes.  This is not be ambiguous.
 194
 195 gdb_test "print g_instance.a"  "\\$\[0-9\]+ = 15" "print value of g_instance.a"
 196 gdb_test "print g_instance.b"  "\\$\[0-9\]+ = 16" "print value of g_instance.b"
 197 gdb_test "print g_instance.c"  "\\$\[0-9\]+ = 17" "print value of g_instance.c"
 198
 199 # Print a function call.
 200
 201 gdb_test "print g_instance.afoo()" "\\$\[0-9\]+ = 1" "print value of g_instance.afoo()"
 202
 203 # If GDB fails to restore the selected frame properly after the
 204 # inferior function call above (see GDB PR 1155 for an explanation of
 205 # why this might happen), all the subsequent tests will fail.  We
 206 # should detect report that failure, but let the marker call finish so
 207 # that the rest of the tests can run undisturbed.
 208
 209 gdb_test_multiple "frame" "re-selected 'main' frame after inferior call" {
 210     -re "#0  marker1.*$gdb_prompt $" {
 211         setup_kfail "gdb/1155" s390-*-linux-gnu
 212         fail "re-selected 'main' frame after inferior call"
 213         gdb_test "finish" ".*main.*at .*derivation.cc:.*// marker1-returns-here.*" \
 214             "finish call to marker1"
 215     }
 216     -re "#1  ($hex in )?main.*$gdb_prompt $" {
 217         pass "re-selected 'main' frame after inferior call"
 218     }
 219 }
 220
 221 gdb_test "print g_instance.bfoo()" "\\$\[0-9\]+ = 2" "print value of g_instance.bfoo()"
 222 gdb_test "print g_instance.cfoo()" "\\$\[0-9\]+ = 3" "print value of g_instance.cfoo()"
 223
 224 # Check typedefs of fields
 225 foreach Klass {"C" "G"} {
 226     set klass [string tolower $Klass]
 227     set instance "${klass}_instance"
 228     set var "${instance}.$klass"
 229     gdb_test "whatis $var" "int"
 230     gdb_test "ptype $var" "int"
 231 }
 232
 233 foreach Klass {"A" "B" "D" "E" "F"} {
 234     set klass [string tolower $Klass]
 235     set instance "${klass}_instance"
 236     set var "${instance}.$klass"
 237     gdb_test "whatis $var" "A::value_type"
 238     gdb_test "ptype $var" "int"
 239     if {![string equal $Klass "B"]} {
 240         gdb_test "p (${Klass}::value_type) 0" " = 0"
 241     }
 242 }
 243
 244 foreach Klass {"Z" "ZZ"} {
 245     set klass [string tolower $Klass]
 246     set instance "${klass}_instance"
 247     set var "${instance}.$klass"
 248     gdb_test "whatis $var" "Z::value_type"
 249     gdb_test "ptype $var" "float"
 250     gdb_test "p (${Klass}::value_type) 0" " = 0"
 251 }
 252
 253 # This is a regression test for a bug that caused a crash when trying
 254 # to print the vtbl pointer.  We don't care about the output so much
 255 # here (it is tested elsewhere), just that gdb doesn't crash.  We test
 256 # "ptype" first because, before the gdb fix, that was the only code
 257 # path calling get_vptr_fieldno.
 258 gdb_test "ptype vderived" "type = .*"
 259 gdb_test "print vderived" " = {.* inter = 0.*x = 0}"
 260
 261 # Test whether inheritance of typedefs is properly
 262 # reported when stopped.
 263 gdb_test "ptype N::value_type" "type = double"
 264 gdb_test "ptype N::Derived::value_type" "type = int"
 265
 266 # Now run to N::Derived::doit and get the type of "value_type"
 267 if {![runto "N::Derived::doit"]} {
 268     return
 269 }
 270
 271 gdb_test "ptype value_type" "type = int"