gdb/testsuite/gdb.cp/overload.exp

   1 # Copyright 1998-2014 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 # written by Elena Zannoni (ezannoni@cygnus.com)
  17 # Rewritten by Michael Chastain <mec.gnu@mindspring.com>
  18
  19 # This file is part of the gdb testsuite
  20
  21 # Tests for overloaded member functions.
  22
  23 set ws "\[\r\n\t \]+"
  24 set nl "\[\r\n\]+"
  25
  26
  27 if { [skip_cplus_tests] } { continue }
  28
  29 standard_testfile .cc
  30
  31 if {[prepare_for_testing $testfile.exp $testfile $srcfile {debug c++}]} {
  32     return -1
  33 }
  34
  35 # Set it up at a breakpoint so we can play with the variable values.
  36
  37 if ![runto 'marker1'] then {
  38     perror "couldn't run to marker1"
  39     continue
  40 }
  41
  42 gdb_test "up" ".*main.*" "up from marker1"
  43
  44 # Print the monster class type.
  45 # See virtfunc.exp for a discussion of ptype.
  46 #
  47 # This is hairy to begin with.  It is even more hairy because of the
  48 # XX_* alternate patterns to catch the KFAIL and XFAIL cases.
  49
  50 set re_class    "((struct|class) foo \{${ws}public:|struct foo \{)"
  51 set re_fields   "int ifoo;${ws}const char ?\\* ?ccpfoo;"
  52 set XX_fields   "int ifoo;${ws}char ?\\* ?ccpfoo;"
  53 set re_ctor     "foo\\(int\\);${ws}foo\\(int, (char const|const char) ?\\*\\);${ws}foo\\(foo ?&\\);"
  54 set re_dtor     "~foo\\((void|)\\);"
  55 set XX_dtor     "~foo\\(int\\);"
  56 set re_methods                    "void foofunc\\(int\\);"
  57 set re_methods  "${re_methods}${ws}void foofunc\\(int, signed char ?\\*\\);"
  58 set re_methods  "${re_methods}${ws}int overload1arg\\((void|)\\);"
  59 set re_methods  "${re_methods}${ws}int overload1arg\\(char\\);"
  60 set re_methods  "${re_methods}${ws}int overload1arg\\(signed char\\);"
  61 set re_methods  "${re_methods}${ws}int overload1arg\\(unsigned char\\);"
  62 set re_methods  "${re_methods}${ws}int overload1arg\\(short( int)?\\);"
  63 set re_methods  "${re_methods}${ws}int overload1arg\\((unsigned short|short unsigned)( int)?\\);"
  64 set re_methods  "${re_methods}${ws}int overload1arg\\(int\\);"
  65 set re_methods  "${re_methods}${ws}int overload1arg\\(unsigned int\\);"
  66 set re_methods  "${re_methods}${ws}int overload1arg\\(long( int)?\\);"
  67 set re_methods  "${re_methods}${ws}int overload1arg\\((unsigned long|long unsigned)( int)?\\);"
  68 set re_methods  "${re_methods}${ws}int overload1arg\\(float\\);"
  69 set re_methods  "${re_methods}${ws}int overload1arg\\(double\\);"
  70 set re_methods  "${re_methods}${ws}int overload1arg\\(int \\*\\);"
  71 set re_methods  "${re_methods}${ws}int overload1arg\\(void \\*\\);"
  72 set re_methods  "${re_methods}${ws}int overloadfnarg\\((void|)\\);"
  73 set re_methods  "${re_methods}${ws}int overloadfnarg\\(int\\);"
  74 set re_methods  "${re_methods}${ws}int overloadfnarg\\(int, int ?\\(\\*\\) ?\\(int\\)\\);"
  75 set re_methods  "${re_methods}${ws}int overloadargs\\(int\\);"
  76 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int\\);"
  77 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int\\);"
  78 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int, int\\);"
  79 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int, int, int\\);"
  80 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int\\);"
  81 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int\\);"
  82 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int\\);"
  83 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int, int\\);"
  84 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int, int, int\\);"
  85 set re_methods  "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int, int, int, int\\);"
  86 set re_synth    "foo & operator=\\(foo const ?&\\);"
  87
  88 gdb_test "print foo_instance1" "\\$\[0-9\]+ = \{ifoo = 111, ccpfoo = 0x0\}"
  89
  90 gdb_test_multiple "ptype foo_instance1" "ptype foo_instance1" {
  91     -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$re_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
  92         # gcc 2.95.3 -gdwarf-2
  93         # TODO: this is not a quirk!
  94         pass "ptype foo_instance1 (HP aCC -- known quirk with ~foo parameter list)"
  95     }
  96     -re "type = $re_class${ws}$XX_fields${ws}$re_synth${ws}$re_dtor${ws}$re_ctor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
  97         # gcc 2.95.3 -gstabs+, no "const" on "const char *"
  98         # TODO: gdb.base/constvar.exp has XFAILed this kind of problem for a
  99         # long time, but an XFAIL really needs an external bug report.
 100         # -- chastain 2003-12-31
 101         # setup_xfail "*-*-*"
 102         # fail "ptype foo_instance1"
 103         # TODO: this should be a KFAIL.
 104         pass "ptype foo_instance1 (shorter match)"
 105     }
 106     -re "type = $re_class${ws}$re_fields${ws}$re_synth${ws}$re_dtor${ws}$re_ctor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
 107         # gcc 2.95.3 -gstabs+ if "const char *" ever gets fixed
 108         pass "ptype foo_instance1"
 109     }
 110     -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$XX_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
 111         # gcc 3.3.2 -gdwarf-2, "~foo(int)"
 112         # TODO: kfail this
 113         # kfail "gdb/1113" "ptype foo_instance1"
 114         pass "ptype foo_instance1 (shorter match)"
 115     }
 116     -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$re_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
 117         # gcc 3.3.2 -gdwarf-2, if the dtor bug gets fixed
 118         # gcc HEAD -gdwarf-2 (abi-2)
 119         # TODO: just pass this
 120         pass "ptype foo_instance1 (shorter match)"
 121     }
 122     -re "type = $re_class${ws}$re_fields${ws}$re_synth${ws}$re_ctor${ws}$re_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" {
 123         # gcc 3.3.2 -gstabs+
 124         # TODO: enough with the "shorter match"
 125         pass "ptype foo_instance1 (shorter match)"
 126     }
 127     -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$re_dtor${ws}$re_methods${ws}$re_synth$nl\}$nl$gdb_prompt $" {
 128         # gcc HEAD -gstabs+ (abi-2)
 129         pass "ptype foo_instance1 (shorter match)"
 130     }
 131 }
 132
 133 # Print variables and method calls.
 134 # This is a walk in the park.
 135
 136 gdb_test "print foo_instance2" "\\$\[0-9\]+ = \{ifoo = 222, ccpfoo = $hex \"A\"\}"
 137 gdb_test "print foo_instance3" "\\$\[0-9\]+ = \{ifoo = 222, ccpfoo = $hex \"A\"\}"
 138
 139 gdb_test "print foo_instance1.overloadargs(1)" "\\$\[0-9\]+ = 1" \
 140     "print call overloaded func 1 arg"
 141
 142 # Regression test for overloading with function pointer type.
 143 gdb_test "print foo_instance1.overloadfnarg(23, intintfunc)" " = 23"
 144
 145 # If GDB fails to restore the selected frame properly after the
 146 # inferior function call above (see GDB PR 1155 for an explanation of
 147 # why this might happen), all the subsequent tests will fail.  We
 148 # should detect and report that failure, but let the marker call
 149 # finish so that the rest of the tests can run undisturbed.
 150
 151 gdb_test_multiple "frame" "re-selected 'main' frame after inferior call" {
 152     -re "#0  marker1.*$gdb_prompt $" {
 153         setup_kfail "gdb/1155" s390-*-linux-gnu
 154         fail "re-selected 'main' frame after inferior call"
 155         gdb_test "finish" ".*main.*at .*overload.cc:.*// marker1-returns-here.*" \
 156             "finish call to marker1"
 157     }
 158     -re "#1  ($hex in )?main.*$gdb_prompt $" {
 159         pass "re-selected 'main' frame after inferior call"
 160     }
 161 }
 162
 163 gdb_test "print foo_instance1.overloadargs(1, 2)" \
 164     "\\$\[0-9\]+ = 2" \
 165     "print call overloaded func 2 args"
 166
 167 gdb_test "print foo_instance1.overloadargs(1, 2, 3)" \
 168     "\\$\[0-9\]+ = 3" \
 169     "print call overloaded func 3 args"
 170
 171 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4)" \
 172     "\\$\[0-9\]+ = 4" \
 173     "print call overloaded func 4 args"
 174
 175 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5)" \
 176     "\\$\[0-9\]+ = 5" \
 177     "print call overloaded func 5 args"
 178
 179 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6)" \
 180     "\\$\[0-9\]+ = 6" \
 181     "print call overloaded func 6 args"
 182
 183 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7)" \
 184     "\\$\[0-9\]+ = 7" \
 185     "print call overloaded func 7 args"
 186
 187 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8)" \
 188     "\\$\[0-9\]+ = 8" \
 189     "print call overloaded func 8 args"
 190
 191 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9)" \
 192     "\\$\[0-9\]+ = 9" \
 193     "print call overloaded func 9 args"
 194
 195 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" \
 196     "\\$\[0-9\]+ = 10" \
 197     "print call overloaded func 10 args"
 198
 199 gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11)" \
 200     "\\$\[0-9\]+ = 11" \
 201     "print call overloaded func 11 args"
 202
 203 gdb_test "print foo_instance1.overload1arg()" \
 204     "\\$\[0-9\]+ = 1" \
 205     "print call overloaded func void arg"
 206
 207 gdb_test "print foo_instance1.overload1arg((char)arg2)" \
 208     "\\$\[0-9\]+ = 2" \
 209     "print call overloaded func char arg"
 210
 211 gdb_test "print foo_instance1.overload1arg((signed char)arg3)" \
 212     "\\$\[0-9\]+ = 3" \
 213     "print call overloaded func signed char arg"
 214
 215 gdb_test "print foo_instance1.overload1arg((unsigned char)arg4)" \
 216     "\\$\[0-9\]+ = 4" \
 217     "print call overloaded func unsigned char arg"
 218
 219 gdb_test "print foo_instance1.overload1arg((short)arg5)" \
 220     "\\$\[0-9\]+ = 5" \
 221     "print call overloaded func short arg"
 222
 223 gdb_test "print foo_instance1.overload1arg((unsigned short)arg6)" \
 224     "\\$\[0-9\]+ = 6" \
 225     "print call overloaded func unsigned short arg"
 226
 227 gdb_test "print foo_instance1.overload1arg((int)arg7)" \
 228     "\\$\[0-9\]+ = 7" \
 229     "print call overloaded func int arg"
 230
 231 gdb_test "print foo_instance1.overload1arg((unsigned int)arg8)" \
 232     "\\$\[0-9\]+ = 8" \
 233     "print call overloaded func unsigned int arg"
 234
 235 gdb_test "print foo_instance1.overload1arg((long)arg9)" \
 236     "\\$\[0-9\]+ = 9" \
 237     "print call overloaded func long arg"
 238
 239 gdb_test "print foo_instance1.overload1arg((unsigned long)arg10)" \
 240     "\\$\[0-9\]+ = 10" \
 241     "print call overloaded func unsigned long arg"
 242
 243 gdb_test "print foo_instance1.overload1arg((float)arg11)" \
 244     "\\$\[0-9\]+ = 11" \
 245     "print call overloaded func float arg"
 246
 247 gdb_test "print foo_instance1.overload1arg((double)arg12)" \
 248     "\\$\[0-9\]+ = 12" \
 249     "print call overloaded func double arg"
 250
 251 gdb_test "print foo_instance1.overload1arg(&arg13)" \
 252     "\\$\[0-9\]+ = 13" \
 253     "print call overloaded func int\\* arg"
 254
 255 gdb_test "print foo_instance1.overload1arg(&arg14)" \
 256     "\\$\[0-9\]+ = 14" \
 257     "print call overloaded func char\\* arg"
 258
 259 gdb_test "print bar(a)" "= 11"
 260 gdb_test "print bar(b)" "= 22"
 261 gdb_test "print bar(c)" "= 22"
 262 gdb_test "print bar(d)" "= 22"
 263
 264 # ---
 265
 266 # List overloaded functions.
 267
 268 # The void case is tricky because some compilers say "(void)"
 269 # and some compilers say "()".
 270
 271 gdb_test_no_output "set listsize 1" ""
 272 gdb_test_multiple "info func overloadfnarg" "list overloaded function with no args" {
 273     -re ".*overloadfnarg\\(void\\).*$gdb_prompt $" {
 274         # gcc 2
 275         gdb_test "list foo::overloadfnarg(void)"\
 276                 ".*int foo::overloadfnarg.*\\(void\\).*" \
 277                 "list overloaded function with no args"
 278     }
 279     -re ".*overloadfnarg\\(\\).*$gdb_prompt $" {
 280         # gcc 3
 281         gdb_test "list foo::overloadfnarg()"\
 282                 ".*int foo::overloadfnarg.*\\(void\\).*" \
 283                 "list overloaded function with no args"
 284     }
 285 }
 286
 287 gdb_test "list foo::overloadfnarg(int)" \
 288     "int foo::overloadfnarg.*\\(int arg\\).*" \
 289    "list overloaded function with int arg"
 290
 291 gdb_test "list foo::overloadfnarg(int, int (*)(int))" \
 292    "int foo::overloadfnarg.*\\(int arg, int \\(\\*foo\\) \\(int\\)\\).*" \
 293    "list overloaded function with function ptr args"
 294
 295 gdb_test "list \"foo::overloadfnarg(int, int (*)(int))\"" \
 296    "int foo::overloadfnarg.*\\(int arg, int \\(\\*foo\\) \\(int\\)\\).*" \
 297    "list overloaded function with function ptr args - quotes around argument"
 298
 299 # Test list with filename.
 300
 301 gdb_test "list ${srcfile}:intToChar" "int intToChar.*"
 302 gdb_test "list ${srcfile}:intToChar(char)" "int intToChar.*"
 303 gdb_test "list ${srcfile}:'intToChar(char)'" "int intToChar.*"
 304 gdb_test "list '${srcfile}:intToChar(char)'" "int intToChar.*"
 305 gdb_test "list '${srcfile}':intToChar(char)" "int intToChar.*"
 306 gdb_test "list '${srcfile}':'intToChar(char)'" "int intToChar.*"
 307
 308 # And with filename and namespace.
 309
 310 gdb_test "list ${srcfile}:foo::overloadfnarg(int)" "int foo::overloadfnarg.*}"
 311 gdb_test "list ${srcfile}:'foo::overloadfnarg(int)'" "int foo::overloadfnarg.*}"
 312
 313 # Now some tests to see how overloading and namespaces interact.
 314
 315 gdb_test "print overloadNamespace(1)" ".\[0-9\]* = 1"
 316 gdb_test "print overloadNamespace('a')" ".\[0-9\]* = 1"
 317 gdb_test "print overloadNamespace(dummyInstance)" ".\[0-9\]* = 2"
 318
 319 # Static methods.
 320 gdb_test "print K::staticoverload ()" " = 1"
 321 gdb_test "print K::staticoverload (2)" " = 2"
 322 gdb_test "print K::staticoverload (2, 3)" " = 5"
 323
 324 # Namespace-qualified functions.
 325 gdb_test "print N::nsoverload ()" " = 1"
 326 gdb_test "print N::nsoverload (2)" " = 2"
 327 gdb_test "print N::nsoverload (2, 3)" " = 5"
 328
 329 if ![runto 'XXX::marker2'] then {
 330     perror "couldn't run to XXX::marker2"
 331     continue
 332 }
 333
 334 gdb_test "print overloadNamespace(1)" ".\[0-9\]* = 3" "print overloadNamespace(1) in XXX"
 335 gdb_test "print overloadNamespace('a')" ".\[0-9\]* = 3" "print overloadNamespace('a') in XXX"
 336 gdb_test "print overloadNamespace(dummyInstance)" ".\[0-9\]* = 2" "print overloadNamespace(dummyInstance) in XXX"
 337
 338 # One last mysterious test.
 339 # I wonder what this is for?
 340
 341 gdb_test "print intToChar(1)" "\\$\[0-9\]+ = 297"
 342
 343 # Test expression evaluation with overloaded methods
 344 gdb_test "print foo::overload1arg" \
 345     "non-unique member `overload1arg' requires type instantiation" \
 346     "print foo::overload1arg"
 347
 348 gdb_test "print foo::overload1arg(char***)" \
 349     "no member function matches that type instantiation" \
 350     "print foo::overload1arg(char***)"
 351
 352 gdb_test "print foo::overload1arg(void)" \
 353     "\\$$decimal = {int \\(foo \\*( const|)\\)} $hex <foo::overload1arg\\(\\)>" \
 354     "print foo::overload1arg(void)"
 355
 356 foreach t [list char "signed char" "unsigned char" "short" \
 357                "unsigned short" int "unsigned int" long "unsigned long" \
 358                float double] {
 359     gdb_test "print foo::overload1arg($t)" \
 360         "\\$$decimal = {int \\(foo \\*( const|), $t\\)} $hex <foo::overload1arg\\($t\\)>" \
 361         "print foo::overload1arg($t)"
 362 }