1 # Copyright (C) 2009-2021 Free Software Foundation, Inc.
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.
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.
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/>.
16 # This file is part of the GDB testsuite. It tests the mechanism
17 # exposing convenience functions to Python.
19 load_lib gdb-python.exp
21 # Start with a fresh gdb.
25 gdb_reinitialize_dir $srcdir/$subdir
27 # Skip all tests if Python scripting is not enabled.
28 if { [skip_python_tests] } { continue }
30 gdb_test_multiline "input convenience function" \
32 "class test_func (gdb.Function):" "" \
33 " def __init__ (self):" "" \
34 " super (test_func, self).__init__ (\"test_func\")" "" \
35 " def invoke (self, arg):" "" \
36 " return \"test_func output, arg = %s\" % arg.string ()" "" \
40 gdb_test "print \$test_func (\"ugh\")" "= \"test_func output, arg = ugh\"" "call function"
42 # Test returning a gdb.Value from the function. This segfaulted GDB at one point.
44 gdb_test_multiline "input value-returning convenience function" \
46 "class Double (gdb.Function):" "" \
47 " def __init__ (self):" "" \
48 " super (Double, self).__init__ (\"double\")" "" \
49 " def invoke (self, n):" "" \
54 # Different languages can have different parsers, so lets check that
55 # internal functions are understood by every language. Place auto
56 # last in the list so we end up back in 'auto' language mode.
57 foreach lang [concat [gdb_supported_languages] auto] {
58 gdb_test_no_output "set language $lang"
59 gdb_test "print \$double (1)" "= 2" "call value-returning function, language = $lang"
62 gdb_test_multiline "input int-returning function" \
64 "class Yes(gdb.Function):" "" \
65 " def __init__(self):" "" \
66 " gdb.Function.__init__(self, 'yes')" "" \
67 " def invoke(self):" "" \
72 gdb_test "print \$yes() && \$yes()" " = 1" "call yes with &&"
73 gdb_test "print \$yes() || \$yes()" " = 1" "call yes with ||"
75 gdb_test_multiline "Test GDBError" \
77 "class GDBError(gdb.Function):" "" \
78 " def __init__(self):" "" \
79 " gdb.Function.__init__(self, 'gdberror')" "" \
80 " def invoke(self):" "" \
81 " raise gdb.GdbError(\"This is a GdbError\")" "" \
85 gdb_test "print \$gdberror()" "This is a GdbError.*" \
86 "Test GdbError. There should not be a stack trace"
88 gdb_test_multiline "Test Normal Error" \
90 "class NormalError(gdb.Function):" "" \
91 " def __init__(self):" "" \
92 " gdb.Function.__init__(self, 'normalerror')" "" \
93 " def invoke(self):" "" \
94 " raise RuntimeError(\"This is a Normal Error\")" "" \
98 gdb_test_no_output "set python print-stack full"
99 gdb_test "print \$normalerror()" "Traceback.*File.*line 5.*in invoke.*RuntimeError.*This is a Normal Error.*" \
100 "Test a Runtime error. There should be a stack trace."
102 gdb_test_multiline "input command-calling function" \
104 "class CallCommand(gdb.Function):" "" \
105 " def __init__(self):" "" \
106 " gdb.Function.__init__(self, 'call_command')" "" \
107 " def invoke(self):" "" \
108 " return gdb.execute('print 1', to_string=True)" "" \
109 "CallCommand ()" "" \
112 gdb_test_no_output "set var \$foo = \$call_command()" "setting a value from a function which executes a command."
113 # There was a bug where GDB would segfault in the second call, so try calling again.
114 gdb_test_no_output "set var \$foo = \$call_command()" "setting a value from a function which executes a command, again."