gdb/testsuite/gdb.linespec/keywords.exp

   1 # Copyright 2015-2024 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 # Test keyword parsing in the linespec parser.
  17
  18 standard_testfile
  19 set exefile $testfile
  20
  21 if {[prepare_for_testing "failed to prepare" $exefile $srcfile {debug}]} {
  22     return -1
  23 }
  24
  25 if ![runto_main] {
  26     return 0
  27 }
  28
  29 # Turn off pending breakpoints to facilitate testing errors.
  30 gdb_test_no_output "set breakpoint pending off"
  31
  32 # The linespec lexer ignores the language setting when lexing
  33 # keywords.
  34 gdb_test "break if" "Function \"if\" not defined."
  35 gdb_breakpoint "thread" "message"
  36 gdb_breakpoint "task" "message"
  37
  38 # The lexer should prune any trailing whitesapce, so the expected
  39 # outcome of the following tests should be the same as the previous
  40 # tests.
  41 with_test_prefix "trailing whitespace" {
  42     gdb_test "break if " "Function \"if\" not defined."
  43     gdb_breakpoint "thread " "message"
  44     gdb_breakpoint "task " "message"
  45 }
  46
  47 # With a single keyword specified first in the location,
  48 # we assume we have a NULL location, i.e., the actual location
  49 # of the event is the current default location.
  50 #
  51 # break if XX --> okay if XX is a valid expression
  52 # (the lexer cannot know whether the expression is valid or not)
  53 # break {thread,task} NUMBER --> invalid thread/task
  54 # break {thread,task} STUFF --> "junk" after keyword (STUFF is not numeric)
  55 gdb_test "break thread 123" "Unknown thread 123\\."
  56 gdb_test "break thread foo" "Invalid thread ID: foo"
  57 gdb_test "break task 123" "Unknown task 123\\."
  58 gdb_test "break task foo" "Junk after task keyword\\."
  59 gdb_breakpoint "thread if 0" "message"
  60
  61 # These are also NULL locations, but using a subsequent keyword
  62 # as the "junk".
  63 gdb_test "break thread thread" "Invalid thread ID: thread"
  64 gdb_test "break thread task" "Invalid thread ID: task"
  65 gdb_test "break thread if" "Invalid thread ID: if"
  66 gdb_test "break task task" "Junk after task keyword\\."
  67 gdb_test "break task thread" "Junk after task keyword\\."
  68 gdb_test "break task if" "Junk after task keyword\\."
  69
  70 # Test locations containing keyword followed by keyword.
  71 gdb_test "break thread thread 123" "Unknown thread 123\\."
  72 gdb_test "break task task 123" "Unknown task 123\\."
  73
  74 # Test NULL location with valid conditional containing a keyword.
  75 gdb_breakpoint "thread if thread == 0"
  76 gdb_breakpoint "task if task == 0"
  77
  78 # Test the positional flexibility of the "-force-condition" flag.
  79 foreach prefix {"" "thread 1 "} {
  80     foreach suffix {"" " " " thread 1"} {
  81         foreach cond {"" " if 1"} {
  82             with_test_prefix "prefix: '$prefix', suffix: '$suffix', cond: '$cond'" {
  83
  84                 if { [regexp thread $prefix] && [regexp thread $suffix] } {
  85                     gdb_test "break main ${prefix}-force-condition${suffix}${cond}" \
  86                         "You can specify only one thread\\."
  87                 } else {
  88                     gdb_breakpoint "main ${prefix}-force-condition${suffix}${cond}"\
  89                         "message"
  90                 }
  91             }
  92         }
  93     }
  94 }