gdb/testsuite/gdb.cp/overload.exp

   1 # Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009, 2010
   2 # Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 # written by Elena Zannoni (ezannoni@cygnus.com)
  18 # Rewritten by Michael Chastain <mec.gnu@mindspring.com>
  19
  20 # This file is part of the gdb testsuite
  21
  22 # Tests for overloaded member functions.
  23
  24 if $tracelevel then {
  25     strace $tracelevel
  26 }
  27
  28 set ws "\[\r\n\t \]+"
  29 set nl "\[\r\n\]+"
  30
  31
  32 if { [skip_cplus_tests] } { continue }
  33
  34 set testfile "overload"
  35 set srcfile ${testfile}.cc
  36 set binfile ${objdir}/${subdir}/${testfile}
  37
  38 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
  39      untested overload.exp
  40      return -1
  41 }
  42
  43 gdb_exit
  44 gdb_start
  45 gdb_reinitialize_dir $srcdir/$subdir
  46 gdb_load ${binfile}
  47
  48 # Set it up at a breakpoint so we can play with the variable values.
  49
  50 if ![runto 'marker1'] then {
  51     perror "couldn't run to marker1"
  52     continue
  53 }
  54
  55 gdb_test "up" ".*main.*" "up from marker1"
  56
  57 # Print the monster class type.
  58 # See virtfunc.exp for a discussion of ptype.
  59 #
  60 # This is hairy to begin with.  It is even more hairy because of the
  61 # XX_* alternate patterns to catch the KFAIL and XFAIL cases.
  62
  63 set re_class    "((struct|class) foo \{${ws}public:|struct foo \{)"
  64 set re_fields   "int ifoo;${ws}const char ?\\* ?ccpfoo;"
  65 set XX_fields   "int ifoo;${ws}char ?\\* ?ccpfoo;"
  66 set re_ctor     "foo\\(int\\);${ws}foo\\(int, (char const|const char) ?\\*\\);${ws}foo\\(foo ?&\\);"
  67 set re_dtor     "~foo\\((void|)\\);"
  68 set XX_dtor     "~foo\\(int\\);"
  69 set re_methods                    "void foofunc\\(int\\);"
  70 set re_methods  "${re_methods}${ws}void foofunc\\(int, signed char ?\\*\\);"
  71 set re_methods  "${re_methods}${ws}int overload1arg\\((void|)\\);"
  72 set re_methods  "${re_methods}${ws}int overload1arg\\(char\\);"
  73 set re_methods  "${re_methods}${ws}int overload1arg\\(signed char\\);"
  74 set re_methods  "${re_methods}${ws}int overload1arg\\(unsigned char\\);"
  75 set re_methods  "${re_methods}${ws}int overload1arg\\(short( int)?\\);"
  76 set re_methods  "${re_methods}${ws}int overload1arg\\((unsigned short|short unsigned)( int)?\\);"
  77 set re_methods  "${re_methods}${ws}int overload1arg\\(int\\);"
  78 set re_methods  "${re_methods}${ws}int overload1arg\\(unsigned int\\);"
  79 set re_methods  "${re_methods}${ws}int overload1arg\\(long( int)?\\);"
  80 set re_methods  "${re_methods}${ws}int overload1arg\\((unsigned long|long unsigned)( int)?\\);"
  81 set re_methods  "${re_methods}${ws}int overload1arg\\(float\\);"
  82 set re_methods  "${re_methods}${ws}int overload1arg\\(double\\);"
  83 set re_methods  "${re_methods}${ws}int overloadfnarg\\((void|)\\);"
  84 set re_methods  "${re_methods}${ws}int overloadfnarg\\(int\\);"
  85 set re_methods  "${re_methods}${ws}int overloadfnarg\\(int, int ?\\(\\*\\) ?\\(int\\)\\);"
  86 set re_methods  "${re_methods}${ws}int overloadargs\\(int\\);"
  87 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int\\);"
  88 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int\\);"
  89 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int, int\\);"
  90 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int, int, int\\);"
  91 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int\\);"
  92 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int\\);"
  93 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int\\);"
  94 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int, int\\);"
  95 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int, int, int\\);"
  96 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int, int, int, int\\);"
  97 set re_synth    "foo & operator=\\(foo const ?&\\);"
  98
  99 gdb_test "print foo_instance1" "\\$\[0-9\]+ = \{ifoo = 111, ccpfoo = 0x0\}"
 100
 101 gdb_test_multiple "ptype foo_instance1" "ptype foo_instance1" {
 102     -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$re_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
 103         # gcc 2.95.3 -gdwarf-2
 104         # TODO: this is not a quirk!
 105         pass "ptype foo_instance1 (HP aCC -- known quirk with ~foo parameter list)"
 106     }
 107     -re "type = $re_class${ws}$XX_fields${ws}$re_synth${ws}$re_dtor${ws}$re_ctor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
 108         # gcc 2.95.3 -gstabs+, no "const" on "const char *"
 109         # TODO: gdb.base/constvar.exp has XFAILed this kind of problem for a
 110         # long time, but an XFAIL really needs an external bug report.
 111         # -- chastain 2003-12-31
 112         # setup_xfail "*-*-*"
 113         # fail "ptype foo_instance1"
 114         # TODO: this should be a KFAIL.
 115         pass "ptype foo_instance1 (shorter match)"
 116     }
 117     -re "type = $re_class${ws}$re_fields${ws}$re_synth${ws}$re_dtor${ws}$re_ctor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
 118         # gcc 2.95.3 -gstabs+ if "const char *" ever gets fixed
 119         pass "ptype foo_instance1"
 120     }
 121     -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$XX_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
 122         # gcc 3.3.2 -gdwarf-2, "~foo(int)"
 123         # TODO: kfail this
 124         # kfail "gdb/1113" "ptype foo_instance1"
 125         pass "ptype foo_instance1 (shorter match)"
 126     }
 127     -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$re_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
 128         # gcc 3.3.2 -gdwarf-2, if the dtor bug gets fixed
 129         # gcc HEAD -gdwarf-2 (abi-2)
 130         # TODO: just pass this
 131         pass "ptype foo_instance1 (shorter match)"
 132     }
 133     -re "type = $re_class${ws}$re_fields${ws}$re_synth${ws}$re_ctor${ws}$re_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
 134         # gcc 3.3.2 -gstabs+
 135         # TODO: enough with the "shorter match"
 136         pass "ptype foo_instance1 (shorter match)"
 137     }
 138     -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$re_dtor${ws}$re_methods${ws}$re_synth$nl\}$nl$gdb_prompt $" {
 139         # gcc HEAD -gstabs+ (abi-2)
 140         pass "ptype foo_instance1 (shorter match)"
 141     }
 142 }
 143
 144 # Print variables and method calls.
 145 # This is a walk in the park.
 146
 147 gdb_test "print foo_instance2" "\\$\[0-9\]+ = \{ifoo = 222, ccpfoo = $hex \"A\"\}"
 148 gdb_test "print foo_instance3" "\\$\[0-9\]+ = \{ifoo = 222, ccpfoo = $hex \"A\"\}"
 149
 150 gdb_test "print foo_instance1.overloadargs(1)" "\\$\[0-9\]+ = 1" \
 151     "print call overloaded func 1 arg"
 152
 153 # If GDB fails to restore the selected frame properly after the
 154 # inferior function call above (see GDB PR 1155 for an explanation of
 155 # why this might happen), all the subsequent tests will fail.  We
 156 # should detect and report that failure, but let the marker call
 157 # finish so that the rest of the tests can run undisturbed.
 158
 159 gdb_test_multiple "frame" "re-selected 'main' frame after inferior call" {
 160     -re "#0  marker1.*$gdb_prompt $" {
 161         setup_kfail "gdb/1155" s390-*-linux-gnu
 162         fail "re-selected 'main' frame after inferior call"
 163         gdb_test "finish" ".*main.*at .*overload.cc:.*// marker1-returns-here.*" \
 164             "finish call to marker1"
 165     }
 166     -re "#1  ($hex in )?main.*$gdb_prompt $" {
 167         pass "re-selected 'main' frame after inferior call"
 168     }
 169 }
 170
 171 gdb_test "print foo_instance1.overloadargs(1, 2)" \
 172     "\\$\[0-9\]+ = 2" \
 173     "print call overloaded func 2 args"
 174
 175 gdb_test "print foo_instance1.overloadargs(1, 2, 3)" \
 176     "\\$\[0-9\]+ = 3" \
 177     "print call overloaded func 3 args"
 178
 179 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4)" \
 180     "\\$\[0-9\]+ = 4" \
 181     "print call overloaded func 4 args"
 182
 183 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5)" \
 184     "\\$\[0-9\]+ = 5" \
 185     "print call overloaded func 5 args"
 186
 187 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6)" \
 188     "\\$\[0-9\]+ = 6" \
 189     "print call overloaded func 6 args"
 190
 191 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7)" \
 192     "\\$\[0-9\]+ = 7" \
 193     "print call overloaded func 7 args"
 194
 195 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8)" \
 196     "\\$\[0-9\]+ = 8" \
 197     "print call overloaded func 8 args"
 198
 199 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9)" \
 200     "\\$\[0-9\]+ = 9" \
 201     "print call overloaded func 9 args"
 202
 203 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" \
 204     "\\$\[0-9\]+ = 10" \
 205     "print call overloaded func 10 args"
 206
 207 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11)" \
 208     "\\$\[0-9\]+ = 11" \
 209     "print call overloaded func 11 args"
 210
 211 gdb_test "print foo_instance1.overload1arg()" \
 212     "\\$\[0-9\]+ = 1" \
 213     "print call overloaded func void arg"
 214
 215 gdb_test "print foo_instance1.overload1arg((char)arg2)" \
 216     "\\$\[0-9\]+ = 2" \
 217     "print call overloaded func char arg"
 218
 219 gdb_test "print foo_instance1.overload1arg((signed char)arg3)" \
 220     "\\$\[0-9\]+ = 3" \
 221     "print call overloaded func signed char arg"
 222
 223 gdb_test "print foo_instance1.overload1arg((unsigned char)arg4)" \
 224     "\\$\[0-9\]+ = 4" \
 225     "print call overloaded func unsigned char arg"
 226
 227 gdb_test "print foo_instance1.overload1arg((short)arg5)" \
 228     "\\$\[0-9\]+ = 5" \
 229     "print call overloaded func short arg"
 230
 231 gdb_test "print foo_instance1.overload1arg((unsigned short)arg6)" \
 232     "\\$\[0-9\]+ = 6" \
 233     "print call overloaded func unsigned short arg"
 234
 235 gdb_test "print foo_instance1.overload1arg((int)arg7)" \
 236     "\\$\[0-9\]+ = 7" \
 237     "print call overloaded func int arg"
 238
 239 gdb_test "print foo_instance1.overload1arg((unsigned int)arg8)" \
 240     "\\$\[0-9\]+ = 8" \
 241     "print call overloaded func unsigned int arg"
 242
 243 gdb_test "print foo_instance1.overload1arg((long)arg9)" \
 244     "\\$\[0-9\]+ = 9" \
 245     "print call overloaded func long arg"
 246
 247 gdb_test "print foo_instance1.overload1arg((unsigned long)arg10)" \
 248     "\\$\[0-9\]+ = 10" \
 249     "print call overloaded func unsigned long arg"
 250
 251 gdb_test "print foo_instance1.overload1arg((float)arg11)" \
 252     "\\$\[0-9\]+ = 11" \
 253     "print call overloaded func float arg"
 254
 255 gdb_test "print foo_instance1.overload1arg((double)arg12)" \
 256     "\\$\[0-9\]+ = 12" \
 257     "print call overloaded func double arg"
 258
 259 # ---
 260
 261 # List overloaded functions.
 262
 263 # The void case is tricky because some compilers say "(void)"
 264 # and some compilers say "()".
 265
 266 gdb_test "set listsize 1" "" ""
 267 gdb_test_multiple "info func overloadfnarg" "list overloaded function with no args" {
 268     -re ".*overloadfnarg\\(void\\).*$gdb_prompt $" {
 269         # gcc 2
 270         gdb_test "list foo::overloadfnarg(void)"\
 271                 ".*int foo::overloadfnarg.*\\(void\\).*" \
 272                 "list overloaded function with no args"
 273     }
 274     -re ".*overloadfnarg\\(\\).*$gdb_prompt $" {
 275         # gcc 3
 276         gdb_test "list foo::overloadfnarg()"\
 277                 ".*int foo::overloadfnarg.*\\(void\\).*" \
 278                 "list overloaded function with no args"
 279     }
 280 }
 281
 282 gdb_test "list foo::overloadfnarg(int)" \
 283     "int foo::overloadfnarg.*\\(int arg\\).*" \
 284    "list overloaded function with int arg"
 285
 286 gdb_test "list foo::overloadfnarg(int, int (*)(int))" \
 287    "int foo::overloadfnarg.*\\(int arg, int \\(\\*foo\\) \\(int\\)\\).*" \
 288    "list overloaded function with function ptr args"
 289
 290 gdb_test "list \"foo::overloadfnarg(int, int (*)(int))\"" \
 291    "int foo::overloadfnarg.*\\(int arg, int \\(\\*foo\\) \\(int\\)\\).*" \
 292    "list overloaded function with function ptr args - quotes around argument"
 293
 294 # Test list with filename.
 295
 296 gdb_test "list ${srcfile}:intToChar" "int intToChar.*"
 297 gdb_test "list ${srcfile}:intToChar(char)" "int intToChar.*"
 298 gdb_test "list ${srcfile}:'intToChar(char)'" "int intToChar.*"
 299 gdb_test "list '${srcfile}:intToChar(char)'" "int intToChar.*"
 300 gdb_test "list '${srcfile}':intToChar(char)" "int intToChar.*"
 301 gdb_test "list '${srcfile}':'intToChar(char)'" "int intToChar.*"
 302
 303 # And with filename and namespace... which does not work.
 304
 305 setup_kfail gdb/11289 *-*-*
 306 gdb_test "list ${srcfile}:foo::overloadfnarg(int)" "int foo::overloadfnarg"
 307
 308 setup_kfail gdb/11289 *-*-*
 309 gdb_test "list ${srcfile}:'foo::overloadfnarg(int)'" "int foo::overloadfnarg"
 310
 311 # Now some tests to see how overloading and namespaces interact.
 312
 313 gdb_test "print overloadNamespace(1)" ".\[0-9\]* = 1"
 314 gdb_test "print overloadNamespace('a')" ".\[0-9\]* = 1"
 315 gdb_test "print overloadNamespace(dummyInstance)" ".\[0-9\]* = 2"
 316
 317 # Static methods.
 318 gdb_test "print K::staticoverload ()" " = 1"
 319 gdb_test "print K::staticoverload (2)" " = 2"
 320 gdb_test "print K::staticoverload (2, 3)" " = 5"
 321
 322 # Namespace-qualified functions.
 323 gdb_test "print N::nsoverload ()" " = 1"
 324 gdb_test "print N::nsoverload (2)" " = 2"
 325 gdb_test "print N::nsoverload (2, 3)" " = 5"
 326
 327 if ![runto 'XXX::marker2'] then {
 328     perror "couldn't run to XXX::marker2"
 329     continue
 330 }
 331
 332 gdb_test "print overloadNamespace(1)" ".\[0-9\]* = 3" "print overloadNamespace(1) in XXX"
 333 gdb_test "print overloadNamespace('a')" ".\[0-9\]* = 3" "print overloadNamespace('a') in XXX"
 334 gdb_test "print overloadNamespace(dummyInstance)" ".\[0-9\]* = 2" "print overloadNamespace(dummyInstance) in XXX"
 335
 336 # One last mysterious test.
 337 # I wonder what this is for?
 338
 339 gdb_test "print intToChar(1)" "\\$\[0-9\]+ = 297"
 340
 341 # Test expression evaluation with overloaded methods
 342 gdb_test "print foo::overload1arg" \
 343     "non-unique member `overload1arg' requires type instantiation" \
 344     "print foo::overload1arg"
 345
 346 gdb_test "print foo::overload1arg(char***)" \
 347     "no member function matches that type instantiation" \
 348     "print foo::overload1arg(char***)"
 349
 350 gdb_test "print foo::overload1arg(void)" \
 351     "\\$$decimal = {int \\(foo \\*( const|)\\)} $hex <foo::overload1arg\\(\\)>" \
 352     "print foo::overload1arg(void)"
 353
 354 foreach t [list char "signed char" "unsigned char" "short" \
 355                "unsigned short" int "unsigned int" long "unsigned long" \
 356                float double] {
 357     gdb_test "print foo::overload1arg($t)" \
 358         "\\$$decimal = {int \\(foo \\*( const|), $t\\)} $hex <foo::overload1arg\\($t\\)>" \
 359         "print foo::overload1arg($t)"
 360 }