gdb/testsuite/lib/gdb-python.exp

   1 # Copyright 2010-2019 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 # Utilities for python-scripting related tests.
  17
  18 # Run a command in GDB, and report a failure if a Python exception is thrown.
  19 # If report_pass is true, report a pass if no exception is thrown.
  20
  21 proc gdb_py_test_silent_cmd { cmd name report_pass } {
  22     global gdb_prompt
  23
  24     gdb_test_multiple $cmd $name {
  25         -re "Traceback.*$gdb_prompt $" { fail $name }
  26         -re "$gdb_prompt $"            { if $report_pass { pass $name } }
  27     }
  28 }
  29
  30 # Usage: gdb_py_test_multiple NAME INPUT RESULT {INPUT RESULT}...
  31 # Run a test named NAME, consisting of multiple lines of input.
  32 # After each input line INPUT, search for result line RESULT.
  33 # Succeed if all results are seen; fail otherwise.
  34
  35 proc gdb_py_test_multiple { name args } {
  36     global gdb_prompt
  37     foreach {input result} $args {
  38         if {[gdb_test_multiple $input "$name - $input" {
  39             -re "\[\r\n\]*($result)\[\r\n\]+($gdb_prompt | *>)$" {
  40                 pass "$name - $input"
  41             }
  42         }]} {
  43             return 1
  44         }
  45     }
  46     return 0
  47 }
  48
  49 # Return the result of python expression EXPR.  DEFAULT is returned if
  50 # there's an error.  TEST is the test message to use.  It can be
  51 # omitted, in which case a test message is built from EXP.  This is
  52 # modeled after get_integer_valueof.
  53
  54 proc get_python_valueof { exp default {test ""} } {
  55     global gdb_prompt
  56
  57     if {$test == ""} {
  58         set test "get python valueof \"${exp}\""
  59     }
  60
  61     set val ${default}
  62     gdb_test_multiple "python print (\"valueof: %s\" % (${exp}))" "$test" {
  63         -re "valueof: (\[^\r\n\]*)\[\r\n\]*$gdb_prompt $" {
  64             set val $expect_out(1,string)
  65             pass "$test"
  66         }
  67         timeout {
  68             fail "$test (timeout)"
  69         }
  70     }
  71     return ${val}
  72 }