gdb/testsuite/gdb.linespec/keywords.exp

   1 # Copyright 2015-2016 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     fail "can't run to main"
  27     return 0
  28 }
  29
  30 # Turn off pending breakpoints to facilitate testing errors.
  31 gdb_test_no_output "set breakpoint pending off"
  32
  33 # The linespec lexer ignores the language setting when lexing
  34 # keywords.
  35 gdb_test "break if" "Function \"if\" not defined."
  36 gdb_breakpoint "thread" "message"
  37 gdb_breakpoint "task" "message"
  38
  39 # The lexer should prune any trailing whitesapce, so the expected
  40 # outcome of the following tests should be the same as the previous
  41 # tests.
  42 with_test_prefix "trailing whitespace" {
  43     gdb_test "break if " "Function \"if\" not defined."
  44     gdb_breakpoint "thread " "message"
  45     gdb_breakpoint "task " "message"
  46 }
  47
  48 # With a single keyword specified first in the location,
  49 # we assume we have a NULL location, i.e., the actual location
  50 # of the event is the current default location.
  51 #
  52 # break if XX --> okay if XX is a valid expression
  53 # (the lexer cannot know whether the expression is valid or not)
  54 # break {thread,task} NUMBER --> invalid thread/task
  55 # break {thread,task} STUFF --> "junk" after keyword (STUFF is not numeric)
  56 gdb_test "break thread 123" "Unknown thread 123\\."
  57 gdb_test "break thread foo" "Invalid thread ID: foo"
  58 gdb_test "break task 123" "Unknown task 123\\."
  59 gdb_test "break task foo" "Junk after task keyword\\."
  60 gdb_breakpoint "thread if 0" "message"
  61
  62 # These are also NULL locations, but using a subsequent keyword
  63 # as the "junk".
  64 gdb_test "break thread thread" "Invalid thread ID: thread"
  65 gdb_test "break thread task" "Invalid thread ID: task"
  66 gdb_test "break thread if" "Invalid thread ID: if"
  67 gdb_test "break task task" "Junk after task keyword\\."
  68 gdb_test "break task thread" "Junk after task keyword\\."
  69 gdb_test "break task if" "Junk after task keyword\\."
  70
  71 # Test locations containing keyword followed by keyword.
  72 gdb_test "break thread thread 123" "Unknown thread 123\\."
  73 gdb_test "break task task 123" "Unknown task 123\\."
  74
  75 # Test NULL location with valid conditional containing a keyword.
  76 gdb_breakpoint "thread if thread == 0"
  77 gdb_breakpoint "task if task == 0"