gdb/testsuite/gdb.base/define.exp

   1 # Copyright 1998-2017 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
  18
  19 #
  20 # test running programs
  21 #
  22
  23 standard_testfile break.c break1.c
  24
  25 if {[prepare_for_testing "failed to prepare" ${testfile} \
  26          [list $srcfile $srcfile2] {debug nowarnings}]} {
  27     return -1
  28 }
  29
  30 set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
  31 set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]
  32
  33 if ![runto_main] then { fail "define tests suppressed" }
  34
  35 # Verify that GDB allows a user to define their very own commands.
  36 #
  37 gdb_test_multiple "define nextwhere" "define user command: nextwhere" {
  38     -re "Type commands for definition of \"nextwhere\".\r\nEnd with a line saying just \"end\".\r\n>$" {
  39         gdb_test "next\nbt\nend" "" \
  40             "define user command: nextwhere"
  41     }
  42 }
  43
  44 # Verify that those commands work as gdb_expected.
  45 #
  46 gdb_test "nextwhere" \
  47     "$bp_location1\[ \t\]*printf.*#0\[ \t\]*main.*:$bp_location1.*" \
  48     "use user command: nextwhere"
  49
  50 # Verify that a user can define a command whose spelling is a
  51 # proper substring of another user-defined command.
  52 #
  53 gdb_test_multiple "define nextwh" "define user command: nextwh" {
  54     -re "Type commands for definition of \"nextwh\".\r\nEnd with a line saying just \"end\".\r\n>$" {
  55         gdb_test "next 2\nbt\nend" "" \
  56             "define user command: nextwh"
  57     }
  58 }
  59
  60 # Verify that a user can redefine their commands.  (Test both the
  61 # confirmed and unconfirmed cases.)
  62 #
  63 gdb_test "define nextwhere" \
  64     "Command \"nextwhere\" not redefined.*" \
  65     "redefine user command aborted: nextwhere" \
  66     "Redefine command \"nextwhere\".*y or n. $" \
  67     "n"
  68
  69 send_gdb "define nextwhere\n"
  70 gdb_expect {
  71   -re "Redefine command \"nextwhere\".*y or n. $"\
  72           {send_gdb "y\n"
  73            gdb_expect {
  74              -re "Type commands for definition of \"nextwhere\".\r\nEnd with a line saying just \"end\".\r\n>$"\
  75                      {send_gdb "bt\nnext\nend\n"
  76                       gdb_expect {
  77                         -re "$gdb_prompt $"\
  78                                 {pass "redefine user command: nextwhere"}
  79                         timeout {fail "(timeout) redefine user command: nextwhere"}
  80                       }
  81                      }
  82              timeout {fail "(timeout) redefine user command: nextwhere"}
  83            }
  84           }
  85   -re "$gdb_prompt $"\
  86           {fail "redefine user command: nextwhere"}
  87   timeout {fail "(timeout) redefine user command: nextwhere"}
  88 }
  89
  90 # Verify that GDB gracefully handles an attempt to redefine the
  91 # help text for a builtin command.
  92 #
  93 gdb_test "document step" "Command \"step\" is built-in.*" \
  94     "redocumenting builtin command disallowed"
  95
  96 # Verify that a user can document their own commands.  (And redocument
  97 # them.)
  98 #
  99 gdb_test_multiple "document nextwhere" "document user command: nextwhere" {
 100     -re "Type documentation for \"nextwhere\".\r\nEnd with a line saying just \"end\".\r\n>$" {
 101         gdb_test "A next command that first shows you where you're stepping from.\nend" \
 102             "" \
 103             "document user command: nextwhere"
 104     }
 105 }
 106
 107 gdb_test_multiple "document nextwhere" "re-document user command: nextwhere" {
 108     -re "Type documentation for \"nextwhere\".\r\nEnd with a line saying just \"end\".\r\n>$" {
 109         gdb_test "A next command that first shows you where you're stepping from.\nend" \
 110             "" \
 111             "re-document user command: nextwhere"
 112     }
 113 }
 114
 115 gdb_test "help nextwhere" \
 116     "A next command that first shows you where you're stepping from.*" \
 117     "help user command: nextwhere"
 118
 119 # Verify that the document command preserves whitespace in the beginning of the line.
 120 #
 121 gdb_test_multiple "document nextwhere" "set up whitespace in help string" {
 122     -re "Type documentation for \"nextwhere\".\r\nEnd with a line saying just \"end\".\r\n>$" {
 123         gdb_test "   A next command that first shows you where you're stepping from.\nend" \
 124             "" \
 125             "set up whitespace in help string"
 126     }
 127 }
 128
 129 gdb_test "help nextwhere" \
 130     "   A next command that first shows you where you're stepping from.*" \
 131     "preserve whitespace in help string"
 132
 133 # Verify that the command parser doesn't require a space after an 'if'
 134 # command in a user defined function.
 135 #
 136 gdb_test_multiple "define ifnospace" "define user command: ifnospace" \
 137 {
 138   -re "Type commands for definition of \"ifnospace\".\r\nEnd with a line saying just \"end\".\r\n>$" \
 139     {
 140       gdb_test_multiple "if(3<4)\nprint \"hi there\\n\"\nend\nend" "send body of ifnospace"  \
 141         {
 142          -re "$gdb_prompt $"\
 143                  {pass "define user command: ifnospace"}
 144         }
 145     }
 146 }
 147
 148 gdb_test "ifnospace" ".*hi there.*" "test ifnospace is parsed correctly"
 149
 150 # Verify that the command parser doesn't require a space after an 'while'
 151 # command in a user defined function.
 152 #
 153 gdb_test_multiple "define whilenospace" "define user command: whilenospace" \
 154 {
 155   -re "Type commands for definition of \"whilenospace\".\r\nEnd with a line saying just \"end\".\r\n>$" \
 156     {
 157       gdb_test_multiple "set \$i=1\nwhile(\$i<2)\nset \$i=2\nprint \"hi there\\n\"\nend\nend" "send body of whilenospace" \
 158          {
 159            -re "$gdb_prompt $" \
 160                    {pass "define user command: whilenospace"}
 161          }
 162     }
 163 }
 164
 165 gdb_test "whilenospace" ".*hi there.*" "test whilenospace is parsed correctly"
 166
 167 # Verify that the user can "hook" a builtin command.  We choose to
 168 # hook the "stop" pseudo command, and we'll define it to use a user-
 169 # define command.
 170 #
 171 gdb_test_multiple "define user-bt" "define user command: user-bt" {
 172     -re "Type commands for definition of \"user-bt\".\r\nEnd with a line saying just \"end\".\r\n>$" {
 173         gdb_test "bt\nend" \
 174             "" \
 175             "define user command: user-bt"
 176     }
 177 }
 178
 179 gdb_test_multiple "define hook-stop" "define hook-stop command" {
 180     -re "Type commands for definition of \"hook-stop\".\r\nEnd with a line saying just \"end\".\r\n>$" {
 181         gdb_test "user-b\nend" \
 182             "" \
 183             "define hook-stop command"
 184     }
 185 }
 186
 187 gdb_test "next" "#0\[ \t\]*main.*:$bp_location11.*" \
 188     "use hook-stop command"
 189
 190 # Verify that GDB responds gracefully to an attempt to define a "hook
 191 # command" which doesn't exist.  (Test both the confirmed and unconfirmed
 192 # cases.)
 193 #
 194 gdb_test "define hook-bar" \
 195     "Not confirmed.*" \
 196     "define hook undefined command aborted: bar" \
 197     "warning: Your new `hook-bar' command does not hook any existing command.\r\nProceed.*y or n. $" \
 198     "n"
 199
 200 send_gdb "define hook-bar\n"
 201 gdb_expect {
 202   -re "warning: Your new `hook-bar' command does not hook any existing command.\r\nProceed.*y or n. $"\
 203           {send_gdb "y\n"
 204            gdb_expect {
 205              -re "Type commands for definition of \"hook-bar\".\r\nEnd with a line saying just \"end\".\r\n>$"\
 206                      {send_gdb "nextwhere\nend\n"
 207                       gdb_expect {
 208                         -re "$gdb_prompt $"\
 209                                 {pass "define hook undefined command: bar"}
 210                         timeout {fail "(timeout) define hook undefined command: bar"}
 211                       }
 212                      }
 213              -re "$gdb_prompt $"\
 214                      {fail "define hook undefined command: bar"}
 215              timeout {fail "(timeout) define hook undefined command: bar"}
 216            }
 217           }
 218   -re "$gdb_prompt $"\
 219           {fail "define hook undefined command: bar"}
 220   timeout {fail "(timeout) define hook undefined command: bar"}
 221 }
 222
 223 # Test creation of an additional target subcommand.
 224 gdb_test_multiple "define target testsuite" "" {
 225     -re "Type commands for definition of \"target testsuite\".\r\nEnd with a line saying just \"end\".\r\n>$" {
 226         gdb_test "printf \"hello\\n\"\nend" "" "define target testsuite"
 227     }
 228 }
 229 gdb_test_multiple "document target testsuite" "" {
 230     -re "Type documentation for \"target testsuite\".\r\nEnd with a line saying just \"end\".\r\n>$" {
 231         gdb_test "A test target.\nend" "" "document target testsuite"
 232     }
 233 }
 234
 235 gdb_test "help target" ".*A test target.*"
 236 gdb_test "target testsuite" "hello"
 237 gdb_test "show user target testsuite" "User command \"target testsuite\":\r\n  printf \"hello\\\\n\"\r\n"
 238
 239 # We should even be able to hook subcommands.
 240 gdb_test_multiple "define target hook-testsuite" "" {
 241     -re "Type commands for definition of \"target hook-testsuite\".\r\nEnd with a line saying just \"end\".\r\n>$" {
 242         gdb_test "printf \"one\\n\"\nend" "" "define target hook-testsuite"
 243     }
 244 }
 245
 246 gdb_test_multiple "define target hookpost-testsuite" "" {
 247     -re "Type commands for definition of \"target hookpost-testsuite\".\r\nEnd with a line saying just \"end\".\r\n>$" {
 248         gdb_test "printf \"two\\n\"\nend" "" "define target hookpost-testsuite"
 249     }
 250 }
 251
 252 gdb_test "target testsuite" "one\r\nhello\r\ntwo" "target testsuite with hooks"
 253
 254 # This is a quasi-define command: Verify that the user can redefine
 255 # GDB's gdb_prompt.
 256 #
 257 gdb_test_multiple "set prompt \\(blah\\) " "set gdb_prompt" {
 258     -re "\\(blah\\) $" {
 259         pass "set gdb_prompt"
 260     }
 261 }
 262
 263 gdb_test_multiple "set prompt \\(gdb\\) " "reset gdb_prompt" {
 264     -re "$gdb_prompt $" {
 265         pass "reset gdb_prompt"
 266     }
 267 }
 268
 269 gdb_exit
 270 return 0