gdb/testsuite/gdb.cp/overload.exp

   1 # Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009, 2010,
   2 # 2011 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 overload1arg\\(int \\*\\);"
  84 set re_methods  "${re_methods}${ws}int overload1arg\\(void \\*\\);"
  85 set re_methods  "${re_methods}${ws}int overloadfnarg\\((void|)\\);"
  86 set re_methods  "${re_methods}${ws}int overloadfnarg\\(int\\);"
  87 set re_methods  "${re_methods}${ws}int overloadfnarg\\(int, int ?\\(\\*\\) ?\\(int\\)\\);"
  88 set re_methods  "${re_methods}${ws}int overloadargs\\(int\\);"
  89 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int\\);"
  90 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int\\);"
  91 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int, int\\);"
  92 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int, int, int\\);"
  93 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int\\);"
  94 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int\\);"
  95 set re_methods  "${re_methods}${ws}int overloadargs\\(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\\);"
  97 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int, int, int\\);"
  98 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int, int, int, int\\);"
  99 set re_synth    "foo & operator=\\(foo const ?&\\);"
 100
 101 gdb_test "print foo_instance1" "\\$\[0-9\]+ = \{ifoo = 111, ccpfoo = 0x0\}"
 102
 103 gdb_test_multiple "ptype foo_instance1" "ptype foo_instance1" {
 104     -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$re_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
 105         # gcc 2.95.3 -gdwarf-2
 106         # TODO: this is not a quirk!
 107         pass "ptype foo_instance1 (HP aCC -- known quirk with ~foo parameter list)"
 108     }
 109     -re "type = $re_class${ws}$XX_fields${ws}$re_synth${ws}$re_dtor${ws}$re_ctor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
 110         # gcc 2.95.3 -gstabs+, no "const" on "const char *"
 111         # TODO: gdb.base/constvar.exp has XFAILed this kind of problem for a
 112         # long time, but an XFAIL really needs an external bug report.
 113         # -- chastain 2003-12-31
 114         # setup_xfail "*-*-*"
 115         # fail "ptype foo_instance1"
 116         # TODO: this should be a KFAIL.
 117         pass "ptype foo_instance1 (shorter match)"
 118     }
 119     -re "type = $re_class${ws}$re_fields${ws}$re_synth${ws}$re_dtor${ws}$re_ctor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
 120         # gcc 2.95.3 -gstabs+ if "const char *" ever gets fixed
 121         pass "ptype foo_instance1"
 122     }
 123     -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$XX_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
 124         # gcc 3.3.2 -gdwarf-2, "~foo(int)"
 125         # TODO: kfail this
 126         # kfail "gdb/1113" "ptype foo_instance1"
 127         pass "ptype foo_instance1 (shorter match)"
 128     }
 129     -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$re_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
 130         # gcc 3.3.2 -gdwarf-2, if the dtor bug gets fixed
 131         # gcc HEAD -gdwarf-2 (abi-2)
 132         # TODO: just pass this
 133         pass "ptype foo_instance1 (shorter match)"
 134     }
 135     -re "type = $re_class${ws}$re_fields${ws}$re_synth${ws}$re_ctor${ws}$re_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
 136         # gcc 3.3.2 -gstabs+
 137         # TODO: enough with the "shorter match"
 138         pass "ptype foo_instance1 (shorter match)"
 139     }
 140     -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$re_dtor${ws}$re_methods${ws}$re_synth$nl\}$nl$gdb_prompt $" {
 141         # gcc HEAD -gstabs+ (abi-2)
 142         pass "ptype foo_instance1 (shorter match)"
 143     }
 144 }
 145
 146 # Print variables and method calls.
 147 # This is a walk in the park.
 148
 149 gdb_test "print foo_instance2" "\\$\[0-9\]+ = \{ifoo = 222, ccpfoo = $hex \"A\"\}"
 150 gdb_test "print foo_instance3" "\\$\[0-9\]+ = \{ifoo = 222, ccpfoo = $hex \"A\"\}"
 151
 152 gdb_test "print foo_instance1.overloadargs(1)" "\\$\[0-9\]+ = 1" \
 153     "print call overloaded func 1 arg"
 154
 155 # If GDB fails to restore the selected frame properly after the
 156 # inferior function call above (see GDB PR 1155 for an explanation of
 157 # why this might happen), all the subsequent tests will fail.  We
 158 # should detect and report that failure, but let the marker call
 159 # finish so that the rest of the tests can run undisturbed.
 160
 161 gdb_test_multiple "frame" "re-selected 'main' frame after inferior call" {
 162     -re "#0  marker1.*$gdb_prompt $" {
 163         setup_kfail "gdb/1155" s390-*-linux-gnu
 164         fail "re-selected 'main' frame after inferior call"
 165         gdb_test "finish" ".*main.*at .*overload.cc:.*// marker1-returns-here.*" \
 166             "finish call to marker1"
 167     }
 168     -re "#1  ($hex in )?main.*$gdb_prompt $" {
 169         pass "re-selected 'main' frame after inferior call"
 170     }
 171 }
 172
 173 gdb_test "print foo_instance1.overloadargs(1, 2)" \
 174     "\\$\[0-9\]+ = 2" \
 175     "print call overloaded func 2 args"
 176
 177 gdb_test "print foo_instance1.overloadargs(1, 2, 3)" \
 178     "\\$\[0-9\]+ = 3" \
 179     "print call overloaded func 3 args"
 180
 181 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4)" \
 182     "\\$\[0-9\]+ = 4" \
 183     "print call overloaded func 4 args"
 184
 185 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5)" \
 186     "\\$\[0-9\]+ = 5" \
 187     "print call overloaded func 5 args"
 188
 189 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6)" \
 190     "\\$\[0-9\]+ = 6" \
 191     "print call overloaded func 6 args"
 192
 193 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7)" \
 194     "\\$\[0-9\]+ = 7" \
 195     "print call overloaded func 7 args"
 196
 197 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8)" \
 198     "\\$\[0-9\]+ = 8" \
 199     "print call overloaded func 8 args"
 200
 201 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9)" \
 202     "\\$\[0-9\]+ = 9" \
 203     "print call overloaded func 9 args"
 204
 205 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" \
 206     "\\$\[0-9\]+ = 10" \
 207     "print call overloaded func 10 args"
 208
 209 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11)" \
 210     "\\$\[0-9\]+ = 11" \
 211     "print call overloaded func 11 args"
 212
 213 gdb_test "print foo_instance1.overload1arg()" \
 214     "\\$\[0-9\]+ = 1" \
 215     "print call overloaded func void arg"
 216
 217 gdb_test "print foo_instance1.overload1arg((char)arg2)" \
 218     "\\$\[0-9\]+ = 2" \
 219     "print call overloaded func char arg"
 220
 221 gdb_test "print foo_instance1.overload1arg((signed char)arg3)" \
 222     "\\$\[0-9\]+ = 3" \
 223     "print call overloaded func signed char arg"
 224
 225 gdb_test "print foo_instance1.overload1arg((unsigned char)arg4)" \
 226     "\\$\[0-9\]+ = 4" \
 227     "print call overloaded func unsigned char arg"
 228
 229 gdb_test "print foo_instance1.overload1arg((short)arg5)" \
 230     "\\$\[0-9\]+ = 5" \
 231     "print call overloaded func short arg"
 232
 233 gdb_test "print foo_instance1.overload1arg((unsigned short)arg6)" \
 234     "\\$\[0-9\]+ = 6" \
 235     "print call overloaded func unsigned short arg"
 236
 237 gdb_test "print foo_instance1.overload1arg((int)arg7)" \
 238     "\\$\[0-9\]+ = 7" \
 239     "print call overloaded func int arg"
 240
 241 gdb_test "print foo_instance1.overload1arg((unsigned int)arg8)" \
 242     "\\$\[0-9\]+ = 8" \
 243     "print call overloaded func unsigned int arg"
 244
 245 gdb_test "print foo_instance1.overload1arg((long)arg9)" \
 246     "\\$\[0-9\]+ = 9" \
 247     "print call overloaded func long arg"
 248
 249 gdb_test "print foo_instance1.overload1arg((unsigned long)arg10)" \
 250     "\\$\[0-9\]+ = 10" \
 251     "print call overloaded func unsigned long arg"
 252
 253 gdb_test "print foo_instance1.overload1arg((float)arg11)" \
 254     "\\$\[0-9\]+ = 11" \
 255     "print call overloaded func float arg"
 256
 257 gdb_test "print foo_instance1.overload1arg((double)arg12)" \
 258     "\\$\[0-9\]+ = 12" \
 259     "print call overloaded func double arg"
 260
 261 gdb_test "print foo_instance1.overload1arg(&arg13)" \
 262     "\\$\[0-9\]+ = 13" \
 263     "print call overloaded func int\\* arg"
 264
 265 gdb_test "print foo_instance1.overload1arg(&arg14)" \
 266     "\\$\[0-9\]+ = 14" \
 267     "print call overloaded func char\\* arg"
 268
 269 gdb_test "print bar(a)" "= 11"
 270 gdb_test "print bar(b)" "= 22"
 271 gdb_test "print bar(c)" "= 22"
 272 gdb_test "print bar(d)" "= 22"
 273
 274 # ---
 275
 276 # List overloaded functions.
 277
 278 # The void case is tricky because some compilers say "(void)"
 279 # and some compilers say "()".
 280
 281 gdb_test_no_output "set listsize 1" ""
 282 gdb_test_multiple "info func overloadfnarg" "list overloaded function with no args" {
 283     -re ".*overloadfnarg\\(void\\).*$gdb_prompt $" {
 284         # gcc 2
 285         gdb_test "list foo::overloadfnarg(void)"\
 286                 ".*int foo::overloadfnarg.*\\(void\\).*" \
 287                 "list overloaded function with no args"
 288     }
 289     -re ".*overloadfnarg\\(\\).*$gdb_prompt $" {
 290         # gcc 3
 291         gdb_test "list foo::overloadfnarg()"\
 292                 ".*int foo::overloadfnarg.*\\(void\\).*" \
 293                 "list overloaded function with no args"
 294     }
 295 }
 296
 297 gdb_test "list foo::overloadfnarg(int)" \
 298     "int foo::overloadfnarg.*\\(int arg\\).*" \
 299    "list overloaded function with int arg"
 300
 301 gdb_test "list foo::overloadfnarg(int, int (*)(int))" \
 302    "int foo::overloadfnarg.*\\(int arg, int \\(\\*foo\\) \\(int\\)\\).*" \
 303    "list overloaded function with function ptr args"
 304
 305 gdb_test "list \"foo::overloadfnarg(int, int (*)(int))\"" \
 306    "int foo::overloadfnarg.*\\(int arg, int \\(\\*foo\\) \\(int\\)\\).*" \
 307    "list overloaded function with function ptr args - quotes around argument"
 308
 309 # Test list with filename.
 310
 311 gdb_test "list ${srcfile}:intToChar" "int intToChar.*"
 312 gdb_test "list ${srcfile}:intToChar(char)" "int intToChar.*"
 313 gdb_test "list ${srcfile}:'intToChar(char)'" "int intToChar.*"
 314 gdb_test "list '${srcfile}:intToChar(char)'" "int intToChar.*"
 315 gdb_test "list '${srcfile}':intToChar(char)" "int intToChar.*"
 316 gdb_test "list '${srcfile}':'intToChar(char)'" "int intToChar.*"
 317
 318 # And with filename and namespace.
 319
 320 gdb_test "list ${srcfile}:foo::overloadfnarg(int)" "int foo::overloadfnarg.*}"
 321 gdb_test "list ${srcfile}:'foo::overloadfnarg(int)'" "int foo::overloadfnarg.*}"
 322
 323 # Now some tests to see how overloading and namespaces interact.
 324
 325 gdb_test "print overloadNamespace(1)" ".\[0-9\]* = 1"
 326 gdb_test "print overloadNamespace('a')" ".\[0-9\]* = 1"
 327 gdb_test "print overloadNamespace(dummyInstance)" ".\[0-9\]* = 2"
 328
 329 # Static methods.
 330 gdb_test "print K::staticoverload ()" " = 1"
 331 gdb_test "print K::staticoverload (2)" " = 2"
 332 gdb_test "print K::staticoverload (2, 3)" " = 5"
 333
 334 # Namespace-qualified functions.
 335 gdb_test "print N::nsoverload ()" " = 1"
 336 gdb_test "print N::nsoverload (2)" " = 2"
 337 gdb_test "print N::nsoverload (2, 3)" " = 5"
 338
 339 if ![runto 'XXX::marker2'] then {
 340     perror "couldn't run to XXX::marker2"
 341     continue
 342 }
 343
 344 gdb_test "print overloadNamespace(1)" ".\[0-9\]* = 3" "print overloadNamespace(1) in XXX"
 345 gdb_test "print overloadNamespace('a')" ".\[0-9\]* = 3" "print overloadNamespace('a') in XXX"
 346 gdb_test "print overloadNamespace(dummyInstance)" ".\[0-9\]* = 2" "print overloadNamespace(dummyInstance) in XXX"
 347
 348 # One last mysterious test.
 349 # I wonder what this is for?
 350
 351 gdb_test "print intToChar(1)" "\\$\[0-9\]+ = 297"
 352
 353 # Test expression evaluation with overloaded methods
 354 gdb_test "print foo::overload1arg" \
 355     "non-unique member `overload1arg' requires type instantiation" \
 356     "print foo::overload1arg"
 357
 358 gdb_test "print foo::overload1arg(char***)" \
 359     "no member function matches that type instantiation" \
 360     "print foo::overload1arg(char***)"
 361
 362 gdb_test "print foo::overload1arg(void)" \
 363     "\\$$decimal = {int \\(foo \\*( const|)\\)} $hex <foo::overload1arg\\(\\)>" \
 364     "print foo::overload1arg(void)"
 365
 366 foreach t [list char "signed char" "unsigned char" "short" \
 367                "unsigned short" int "unsigned int" long "unsigned long" \
 368                float double] {
 369     gdb_test "print foo::overload1arg($t)" \
 370         "\\$$decimal = {int \\(foo \\*( const|), $t\\)} $hex <foo::overload1arg\\($t\\)>" \
 371         "print foo::overload1arg($t)"
 372 }