gdb/testsuite/gdb.guile/scm-cmd.exp

   1 # Copyright (C) 2009-2020 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 is part of the GDB testsuite.  It tests the mechanism
  17 # for defining new GDB commands in Scheme.
  18
  19 load_lib gdb-guile.exp
  20
  21 standard_testfile
  22
  23 if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } {
  24     return
  25 }
  26
  27 # Skip all tests if Guile scripting is not enabled.
  28 if { [skip_guile_tests] } { continue }
  29
  30 if ![gdb_guile_runto_main] {
  31     fail "can't run to main"
  32     return
  33 }
  34
  35 # Test a simple command, and command? while we're at it.
  36
  37 gdb_test_multiline "input simple command" \
  38     "guile" "" \
  39     "(define test-cmd" "" \
  40     " (make-command \"test-cmd\"" "" \
  41     "  #:command-class COMMAND_OBSCURE" "" \
  42     "  #:invoke (lambda (self arg from-tty)" "" \
  43     "    (display (format #f \"test-cmd output, arg = ~a\\n\" arg)))))" "" \
  44     "(register-command! test-cmd)" "" \
  45     "end" ""
  46
  47 gdb_test "guile (print (command? test-cmd))" "= #t"
  48 gdb_test "guile (print (command? 42))" "= #f"
  49
  50 gdb_test "test-cmd ugh" "test-cmd output, arg = ugh" "call simple command"
  51
  52 # Test a prefix command, and a subcommand within it.
  53
  54 gdb_test_multiline "input prefix command" \
  55     "guile" "" \
  56     "(register-command! (make-command \"prefix-cmd\"" "" \
  57     "  #:command-class COMMAND_OBSCURE" "" \
  58     "  #:completer-class COMPLETE_NONE" "" \
  59     "  #:prefix? #t" "" \
  60     "  #:invoke (lambda (self arg from-tty)" "" \
  61     "    (display (format #f \"prefix-cmd output, arg = ~a\\n\" arg)))))" "" \
  62     "end" ""
  63
  64 gdb_test "prefix-cmd ugh" "prefix-cmd output, arg = ugh" "call prefix command"
  65
  66 gdb_test_multiline "input subcommand" \
  67     "guile" "" \
  68     "(register-command! (make-command \"prefix-cmd subcmd\"" "" \
  69     "  #:command-class COMMAND_OBSCURE" "" \
  70     "  #:invoke (lambda (self arg from-tty)" "" \
  71     "    (display (format #f \"subcmd output, arg = ~a\\n\" arg)))))" "" \
  72     "end" ""
  73
  74 gdb_test "prefix-cmd subcmd ugh" "subcmd output, arg = ugh" "call subcmd"
  75
  76 # Test a subcommand in an existing GDB prefix.
  77
  78 gdb_test_multiline "input new subcommand" \
  79     "guile" "" \
  80     "(register-command! (make-command \"info newsubcmd\"" "" \
  81     "  #:command-class COMMAND_OBSCURE" "" \
  82     "  #:invoke (lambda (self arg from-tty)" "" \
  83     "    (display (format #f \"newsubcmd output, arg = ~a\\n\" arg)))))" "" \
  84     "end" ""
  85
  86 gdb_test "info newsubcmd ugh" "newsubcmd output, arg = ugh" "call newsubcmd"
  87
  88 # Test a command that throws gdb:user-error.
  89
  90 gdb_test_multiline "input command to throw error" \
  91     "guile" "" \
  92     "(register-command! (make-command \"test-error-cmd\"" "" \
  93     "  #:command-class COMMAND_OBSCURE" "" \
  94     "  #:invoke (lambda (self arg from-tty)" "" \
  95     "    (throw-user-error \"you lose! ~a\" arg))))" "" \
  96     "end" ""
  97
  98 gdb_test "test-error-cmd ugh" "ERROR: you lose! ugh" "call error command"
  99
 100 # Test string->argv.
 101
 102 gdb_test "guile (raw-print (string->argv \"1 2 3\"))" \
 103     {= \("1" "2" "3"\)} \
 104     "(string->argv \"1 2 3\")"
 105
 106 gdb_test "guile (raw-print (string->argv \"'1 2' 3\"))" \
 107     {= \("1 2" "3"\)} \
 108     "(string->argv \"'1 2' 3\")"
 109
 110 gdb_test "guile (raw-print (string->argv \"\\\"1 2\\\" 3\"))" \
 111     {= \("1 2" "3"\)} \
 112     "(string->argv (\"\\\"1 2\\\" 3\")"
 113
 114 gdb_test "guile (raw-print (string->argv \"1\\\\ 2 3\"))" \
 115     {= \("1 2" "3"\)} \
 116     "(string->argv \"1\\\\ 2 3\")"
 117
 118 # Test user-defined guile commands.
 119
 120 gdb_test_multiline "input simple user-defined command" \
 121     "guile" "" \
 122     "(register-command! (make-command \"test-help\"" "" \
 123     "  #:doc \"Docstring\"" "" \
 124     "  #:command-class COMMAND_USER" "" \
 125     "  #:invoke (lambda (self arg from-tty)" "" \
 126     "    (display (format #f \"test-cmd output, arg = ~a\\n\" arg)))))" "" \
 127     "end" ""
 128
 129 gdb_test "test-help ugh" "test-cmd output, arg = ugh" \
 130     "call simple user-defined command"
 131
 132 # Make sure the command shows up in `help user-defined`.
 133 test_user_defined_class_help {"test-help -- Docstring[\r\n]"}
 134
 135 # Make sure the command does not show up in `show user`.
 136 gdb_test "show user test-help" "Not a user command\." \
 137     "don't show user-defined scheme command in `show user command`"
 138
 139 # Test expression completion on fields.
 140
 141 gdb_test_multiline "expression completion command" \
 142     "guile" "" \
 143     "(register-command! (make-command \"expr-test\"" "" \
 144     "  #:command-class COMMAND_USER" ""\
 145     "  #:completer-class COMPLETE_EXPRESSION" "" \
 146     "  #:invoke (lambda (self arg from-tty)" "" \
 147     "    (display (format #f \"invoked on = ~a\\n\" arg)))))" "" \
 148     "end" ""
 149
 150 gdb_test "complete expr-test bar\." \
 151     "expr-test bar\.bc.*expr-test bar\.ij.*" \
 152     "test completion through complete command"
 153
 154 set test "complete 'expr-test bar.i'"
 155 send_gdb "expr-test bar\.i\t\t"
 156 gdb_test_multiple "" "$test" {
 157     -re "expr-test bar\.ij \\\x07$" {
 158         send_gdb "\n"
 159         gdb_test_multiple "" $test {
 160             -re "invoked on = bar.ij.*$gdb_prompt $" {
 161                 pass "$test"
 162             }
 163         }
 164     }
 165 }
 166
 167 # Test using a function for completion.
 168
 169 gdb_test_multiline "completer-as-function command" \
 170     "guile" "" \
 171     "(register-command! (make-command \"completer-as-function\"" "" \
 172     "  #:command-class COMMAND_USER" ""\
 173     "  #:completer-class (lambda (self text word)" "" \
 174     "    (list \"1\" \"2\" \"3\"))" "" \
 175     "  #:invoke (lambda (self arg from-tty)" "" \
 176     "    (display (format #f \"invoked on = ~a\\n\" arg)))))" "" \
 177     "end" ""
 178
 179 gdb_test "complete completer-as-function 42\." \
 180     "completer-as-function 42\.1.*completer-as-function 42\.2.*completer-as-function 42\.3" \
 181     "test completion with completion function"
 182
 183 # Test Scheme error in invoke function.
 184
 185 gdb_test_multiline "input command with Scheme error" \
 186     "guile" "" \
 187     "(register-command! (make-command \"test-scheme-error-cmd\"" "" \
 188     "  #:command-class COMMAND_OBSCURE" "" \
 189     "  #:invoke (lambda (self arg from-tty)" "" \
 190     "    oops-bad-spelling)))" "" \
 191     "end" ""
 192
 193 gdb_test "test-scheme-error-cmd ugh" \
 194     "Error occurred in Scheme-implemented GDB command." \
 195     "call scheme-error command"
 196
 197 # If there is a problem with object management, this can often trigger it.
 198 # It is useful to do this last, after we've created a bunch of command objects.
 199
 200 gdb_test_no_output "guile (gc)"