overload.exp revision 1.5
1# Copyright 1998-2015 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 23set ws "\[\r\n\t \]+" 24set nl "\[\r\n\]+" 25 26 27if { [skip_cplus_tests] } { continue } 28 29standard_testfile .cc 30 31if {[prepare_for_testing $testfile.exp $testfile $srcfile {debug c++}]} { 32 return -1 33} 34 35# Set it up at a breakpoint so we can play with the variable values. 36 37if ![runto 'marker1'] then { 38 perror "couldn't run to marker1" 39 continue 40} 41 42# Prevent symbol on address 0x0 being printed. 43gdb_test_no_output "set print symbol off" 44 45gdb_test "up" ".*main.*" "up from marker1" 46 47# Print the monster class type. 48# See virtfunc.exp for a discussion of ptype. 49# 50# This is hairy to begin with. It is even more hairy because of the 51# XX_* alternate patterns to catch the KFAIL and XFAIL cases. 52 53set re_class "((struct|class) foo \{${ws}public:|struct foo \{)" 54set re_fields "int ifoo;${ws}const char ?\\* ?ccpfoo;" 55set XX_fields "int ifoo;${ws}char ?\\* ?ccpfoo;" 56set re_ctor "foo\\(int\\);${ws}foo\\(int, (char const|const char) ?\\*\\);${ws}foo\\(foo ?&\\);" 57set re_dtor "~foo\\((void|)\\);" 58set XX_dtor "~foo\\(int\\);" 59set re_methods "void foofunc\\(int\\);" 60set re_methods "${re_methods}${ws}void foofunc\\(int, signed char ?\\*\\);" 61set re_methods "${re_methods}${ws}int overload1arg\\((void|)\\);" 62set re_methods "${re_methods}${ws}int overload1arg\\(char\\);" 63set re_methods "${re_methods}${ws}int overload1arg\\(signed char\\);" 64set re_methods "${re_methods}${ws}int overload1arg\\(unsigned char\\);" 65set re_methods "${re_methods}${ws}int overload1arg\\(short( int)?\\);" 66set re_methods "${re_methods}${ws}int overload1arg\\((unsigned short|short unsigned)( int)?\\);" 67set re_methods "${re_methods}${ws}int overload1arg\\(int\\);" 68set re_methods "${re_methods}${ws}int overload1arg\\(unsigned int\\);" 69set re_methods "${re_methods}${ws}int overload1arg\\(long( int)?\\);" 70set re_methods "${re_methods}${ws}int overload1arg\\((unsigned long|long unsigned)( int)?\\);" 71set re_methods "${re_methods}${ws}int overload1arg\\(float\\);" 72set re_methods "${re_methods}${ws}int overload1arg\\(double\\);" 73set re_methods "${re_methods}${ws}int overload1arg\\(int \\*\\);" 74set re_methods "${re_methods}${ws}int overload1arg\\(void \\*\\);" 75set re_methods "${re_methods}${ws}int overloadfnarg\\((void|)\\);" 76set re_methods "${re_methods}${ws}int overloadfnarg\\(int\\);" 77set re_methods "${re_methods}${ws}int overloadfnarg\\(int, int ?\\(\\*\\) ?\\(int\\)\\);" 78set re_methods "${re_methods}${ws}int overloadargs\\(int\\);" 79set re_methods "${re_methods}${ws}int overloadargs\\(int, int\\);" 80set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int\\);" 81set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int\\);" 82set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int\\);" 83set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int\\);" 84set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int\\);" 85set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int\\);" 86set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int, int\\);" 87set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int, int, int\\);" 88set re_methods "${re_methods}${ws}int overloadargs\\(int, int, int, int, int, int, int, int, int, int, int\\);" 89set re_synth "foo & operator=\\(foo const ?&\\);" 90 91gdb_test "print foo_instance1" "\\$\[0-9\]+ = \{ifoo = 111, ccpfoo = 0x0\}" 92 93gdb_test_multiple "ptype foo_instance1" "ptype foo_instance1" { 94 -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$re_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" { 95 # gcc 2.95.3 -gdwarf-2 96 # TODO: this is not a quirk! 97 pass "ptype foo_instance1 (HP aCC -- known quirk with ~foo parameter list)" 98 } 99 -re "type = $re_class${ws}$XX_fields${ws}$re_synth${ws}$re_dtor${ws}$re_ctor${ws}$re_methods$nl\}$nl$gdb_prompt $" { 100 # gcc 2.95.3 -gstabs+, no "const" on "const char *" 101 # TODO: gdb.base/constvar.exp has XFAILed this kind of problem for a 102 # long time, but an XFAIL really needs an external bug report. 103 # -- chastain 2003-12-31 104 # setup_xfail "*-*-*" 105 # fail "ptype foo_instance1" 106 # TODO: this should be a KFAIL. 107 pass "ptype foo_instance1 (shorter match)" 108 } 109 -re "type = $re_class${ws}$re_fields${ws}$re_synth${ws}$re_dtor${ws}$re_ctor${ws}$re_methods$nl\}$nl$gdb_prompt $" { 110 # gcc 2.95.3 -gstabs+ if "const char *" ever gets fixed 111 pass "ptype foo_instance1" 112 } 113 -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$XX_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" { 114 # gcc 3.3.2 -gdwarf-2, "~foo(int)" 115 # TODO: kfail this 116 # kfail "gdb/1113" "ptype foo_instance1" 117 pass "ptype foo_instance1 (shorter match)" 118 } 119 -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$re_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" { 120 # gcc 3.3.2 -gdwarf-2, if the dtor bug gets fixed 121 # gcc HEAD -gdwarf-2 (abi-2) 122 # TODO: just pass this 123 pass "ptype foo_instance1 (shorter match)" 124 } 125 -re "type = $re_class${ws}$re_fields${ws}$re_synth${ws}$re_ctor${ws}$re_dtor${ws}$re_methods$nl\}$nl$gdb_prompt $" { 126 # gcc 3.3.2 -gstabs+ 127 # TODO: enough with the "shorter match" 128 pass "ptype foo_instance1 (shorter match)" 129 } 130 -re "type = $re_class${ws}$re_fields${ws}$re_ctor${ws}$re_dtor${ws}$re_methods${ws}$re_synth$nl\}$nl$gdb_prompt $" { 131 # gcc HEAD -gstabs+ (abi-2) 132 pass "ptype foo_instance1 (shorter match)" 133 } 134} 135 136# Print variables and method calls. 137# This is a walk in the park. 138 139gdb_test "print foo_instance2" "\\$\[0-9\]+ = \{ifoo = 222, ccpfoo = $hex \"A\"\}" 140gdb_test "print foo_instance3" "\\$\[0-9\]+ = \{ifoo = 222, ccpfoo = $hex \"A\"\}" 141 142gdb_test "print foo_instance1.overloadargs(1)" "\\$\[0-9\]+ = 1" \ 143 "print call overloaded func 1 arg" 144 145# Regression test for overloading with function pointer type. 146gdb_test "print foo_instance1.overloadfnarg(23, intintfunc)" " = 23" 147 148# If GDB fails to restore the selected frame properly after the 149# inferior function call above (see GDB PR 1155 for an explanation of 150# why this might happen), all the subsequent tests will fail. We 151# should detect and report that failure, but let the marker call 152# finish so that the rest of the tests can run undisturbed. 153 154gdb_test_multiple "frame" "re-selected 'main' frame after inferior call" { 155 -re "#0 marker1.*$gdb_prompt $" { 156 setup_kfail "gdb/1155" s390-*-linux-gnu 157 fail "re-selected 'main' frame after inferior call" 158 gdb_test "finish" ".*main.*at .*overload.cc:.*// marker1-returns-here.*" \ 159 "finish call to marker1" 160 } 161 -re "#1 ($hex in )?main.*$gdb_prompt $" { 162 pass "re-selected 'main' frame after inferior call" 163 } 164} 165 166gdb_test "print foo_instance1.overloadargs(1, 2)" \ 167 "\\$\[0-9\]+ = 2" \ 168 "print call overloaded func 2 args" 169 170gdb_test "print foo_instance1.overloadargs(1, 2, 3)" \ 171 "\\$\[0-9\]+ = 3" \ 172 "print call overloaded func 3 args" 173 174gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4)" \ 175 "\\$\[0-9\]+ = 4" \ 176 "print call overloaded func 4 args" 177 178gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5)" \ 179 "\\$\[0-9\]+ = 5" \ 180 "print call overloaded func 5 args" 181 182gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6)" \ 183 "\\$\[0-9\]+ = 6" \ 184 "print call overloaded func 6 args" 185 186gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7)" \ 187 "\\$\[0-9\]+ = 7" \ 188 "print call overloaded func 7 args" 189 190gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8)" \ 191 "\\$\[0-9\]+ = 8" \ 192 "print call overloaded func 8 args" 193 194gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9)" \ 195 "\\$\[0-9\]+ = 9" \ 196 "print call overloaded func 9 args" 197 198gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)" \ 199 "\\$\[0-9\]+ = 10" \ 200 "print call overloaded func 10 args" 201 202gdb_test "print foo_instance1.overloadargs(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11)" \ 203 "\\$\[0-9\]+ = 11" \ 204 "print call overloaded func 11 args" 205 206gdb_test "print foo_instance1.overload1arg()" \ 207 "\\$\[0-9\]+ = 1" \ 208 "print call overloaded func void arg" 209 210gdb_test "print foo_instance1.overload1arg((char)arg2)" \ 211 "\\$\[0-9\]+ = 2" \ 212 "print call overloaded func char arg" 213 214gdb_test "print foo_instance1.overload1arg((signed char)arg3)" \ 215 "\\$\[0-9\]+ = 3" \ 216 "print call overloaded func signed char arg" 217 218gdb_test "print foo_instance1.overload1arg((unsigned char)arg4)" \ 219 "\\$\[0-9\]+ = 4" \ 220 "print call overloaded func unsigned char arg" 221 222gdb_test "print foo_instance1.overload1arg((short)arg5)" \ 223 "\\$\[0-9\]+ = 5" \ 224 "print call overloaded func short arg" 225 226gdb_test "print foo_instance1.overload1arg((unsigned short)arg6)" \ 227 "\\$\[0-9\]+ = 6" \ 228 "print call overloaded func unsigned short arg" 229 230gdb_test "print foo_instance1.overload1arg((int)arg7)" \ 231 "\\$\[0-9\]+ = 7" \ 232 "print call overloaded func int arg" 233 234gdb_test "print foo_instance1.overload1arg((unsigned int)arg8)" \ 235 "\\$\[0-9\]+ = 8" \ 236 "print call overloaded func unsigned int arg" 237 238gdb_test "print foo_instance1.overload1arg((long)arg9)" \ 239 "\\$\[0-9\]+ = 9" \ 240 "print call overloaded func long arg" 241 242gdb_test "print foo_instance1.overload1arg((unsigned long)arg10)" \ 243 "\\$\[0-9\]+ = 10" \ 244 "print call overloaded func unsigned long arg" 245 246gdb_test "print foo_instance1.overload1arg((float)arg11)" \ 247 "\\$\[0-9\]+ = 11" \ 248 "print call overloaded func float arg" 249 250gdb_test "print foo_instance1.overload1arg((double)arg12)" \ 251 "\\$\[0-9\]+ = 12" \ 252 "print call overloaded func double arg" 253 254gdb_test "print foo_instance1.overload1arg(&arg13)" \ 255 "\\$\[0-9\]+ = 13" \ 256 "print call overloaded func int\\* arg" 257 258gdb_test "print foo_instance1.overload1arg(&arg14)" \ 259 "\\$\[0-9\]+ = 14" \ 260 "print call overloaded func char\\* arg" 261 262gdb_test "print bar(a)" "= 11" 263gdb_test "print bar(b)" "= 22" 264gdb_test "print bar(c)" "= 22" 265gdb_test "print bar(d)" "= 22" 266 267# --- 268 269# List overloaded functions. 270 271# The void case is tricky because some compilers say "(void)" 272# and some compilers say "()". 273 274gdb_test_no_output "set listsize 1" "" 275gdb_test_multiple "info func overloadfnarg" "list overloaded function with no args" { 276 -re ".*overloadfnarg\\(void\\).*$gdb_prompt $" { 277 # gcc 2 278 gdb_test "list foo::overloadfnarg(void)"\ 279 ".*int foo::overloadfnarg.*\\(void\\).*" \ 280 "list overloaded function with no args" 281 } 282 -re ".*overloadfnarg\\(\\).*$gdb_prompt $" { 283 # gcc 3 284 gdb_test "list foo::overloadfnarg()"\ 285 ".*int foo::overloadfnarg.*\\(void\\).*" \ 286 "list overloaded function with no args" 287 } 288} 289 290gdb_test "list foo::overloadfnarg(int)" \ 291 "int foo::overloadfnarg.*\\(int arg\\).*" \ 292 "list overloaded function with int arg" 293 294gdb_test "list foo::overloadfnarg(int, int (*)(int))" \ 295 "int foo::overloadfnarg.*\\(int arg, int \\(\\*foo\\) \\(int\\)\\).*" \ 296 "list overloaded function with function ptr args" 297 298gdb_test "list \"foo::overloadfnarg(int, int (*)(int))\"" \ 299 "int foo::overloadfnarg.*\\(int arg, int \\(\\*foo\\) \\(int\\)\\).*" \ 300 "list overloaded function with function ptr args - quotes around argument" 301 302# Test list with filename. 303 304gdb_test "list ${srcfile}:intToChar" "int intToChar.*" 305gdb_test "list ${srcfile}:intToChar(char)" "int intToChar.*" 306gdb_test "list ${srcfile}:'intToChar(char)'" "int intToChar.*" 307gdb_test "list '${srcfile}:intToChar(char)'" "int intToChar.*" 308gdb_test "list '${srcfile}':intToChar(char)" "int intToChar.*" 309gdb_test "list '${srcfile}':'intToChar(char)'" "int intToChar.*" 310 311# And with filename and namespace. 312 313gdb_test "list ${srcfile}:foo::overloadfnarg(int)" "int foo::overloadfnarg.*}" 314gdb_test "list ${srcfile}:'foo::overloadfnarg(int)'" "int foo::overloadfnarg.*}" 315 316# Now some tests to see how overloading and namespaces interact. 317 318gdb_test "print overloadNamespace(1)" ".\[0-9\]* = 1" 319gdb_test "print overloadNamespace('a')" ".\[0-9\]* = 1" 320gdb_test "print overloadNamespace(dummyInstance)" ".\[0-9\]* = 2" 321 322# Static methods. 323gdb_test "print K::staticoverload ()" " = 1" 324gdb_test "print K::staticoverload (2)" " = 2" 325gdb_test "print K::staticoverload (2, 3)" " = 5" 326 327# Namespace-qualified functions. 328gdb_test "print N::nsoverload ()" " = 1" 329gdb_test "print N::nsoverload (2)" " = 2" 330gdb_test "print N::nsoverload (2, 3)" " = 5" 331 332if ![runto 'XXX::marker2'] then { 333 perror "couldn't run to XXX::marker2" 334 continue 335} 336 337gdb_test "print overloadNamespace(1)" ".\[0-9\]* = 3" "print overloadNamespace(1) in XXX" 338gdb_test "print overloadNamespace('a')" ".\[0-9\]* = 3" "print overloadNamespace('a') in XXX" 339gdb_test "print overloadNamespace(dummyInstance)" ".\[0-9\]* = 2" "print overloadNamespace(dummyInstance) in XXX" 340 341# One last mysterious test. 342# I wonder what this is for? 343 344gdb_test "print intToChar(1)" "\\$\[0-9\]+ = 297" 345 346# Test expression evaluation with overloaded methods 347gdb_test "print foo::overload1arg" \ 348 "non-unique member `overload1arg' requires type instantiation" \ 349 "print foo::overload1arg" 350 351gdb_test "print foo::overload1arg(char***)" \ 352 "no member function matches that type instantiation" \ 353 "print foo::overload1arg(char***)" 354 355gdb_test "print foo::overload1arg(void)" \ 356 "\\$$decimal = {int \\(foo \\*( const|)\\)} $hex <foo::overload1arg\\(\\)>" \ 357 "print foo::overload1arg(void)" 358 359foreach t [list char "signed char" "unsigned char" "short" \ 360 "unsigned short" int "unsigned int" long "unsigned long" \ 361 float double] { 362 gdb_test "print foo::overload1arg($t)" \ 363 "\\$$decimal = {int \\(foo \\*( const|), $t\\)} $hex <foo::overload1arg\\($t\\)>" \ 364 "print foo::overload1arg($t)" 365} 366