1 # Copyright (C) 2009, 2010, 2011 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 # of exposing types to Python.
23 load_lib gdb-python.exp
25 set testfile "py-type"
26 set srcfile ${testfile}.c
27 set binfile ${objdir}/${subdir}/${testfile}
29 if [get_compiler_info not-used c++] {
33 # Build inferior to language specification.
34 proc build_inferior {lang} {
35 global srcdir subdir srcfile binfile testfile hex
37 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable "debug $lang"] != "" } {
38 untested "Couldn't compile ${srcfile} in $lang mode"
45 global srcdir subdir srcfile binfile testfile hex
49 gdb_reinitialize_dir $srcdir/$subdir
52 if ![runto_main ] then {
53 perror "couldn't run to breakpoint"
58 # Set breakpoint and run to that breakpoint.
60 gdb_breakpoint [gdb_get_line_number $bp]
61 gdb_continue_to_breakpoint $bp
64 proc test_fields {lang} {
68 # Test usage with a class
69 gdb_py_test_silent_cmd "print c" "print value" 1
70 gdb_py_test_silent_cmd "python c = gdb.history (0)" "get value from history" 1
71 gdb_py_test_silent_cmd "python fields = c.type.fields()" "get fields" 1
72 gdb_test "python print len(fields)" "2" "Check number of fields"
73 gdb_test "python print fields\[0\].name" "c" "Check class field c name"
74 gdb_test "python print fields\[1\].name" "d" "Check class field d name"
76 gdb_test "python print c.type == gdb.parse_and_eval('d').type" "False"
77 gdb_test "python print c.type == gdb.parse_and_eval('d').type.fields()\[0\].type" \
81 # Test normal fields usage in structs.
82 gdb_py_test_silent_cmd "print st" "print value" 1
83 gdb_py_test_silent_cmd "python st = gdb.history (0)" "get value from history" 1
84 gdb_py_test_silent_cmd "python fields = st.type.fields()" "get fields" 1
85 gdb_test "python print len(fields)" "2" "Check number of fields"
86 gdb_test "python print fields\[0\].name" "a" "Check structure field a name"
87 gdb_test "python print fields\[1\].name" "b" "Check structure field b name"
89 # Test regression PR python/10805
90 gdb_py_test_silent_cmd "print ar" "print value" 1
91 gdb_py_test_silent_cmd "python ar = gdb.history (0)" "get value from history" 1
92 gdb_test "python fields = ar.type.fields()"
93 gdb_test "python print len(fields)" "1" "Check the number of fields"
94 gdb_test "python print fields\[0\].type" "<range type>" "Check array field type"
96 gdb_test "python print ar\[0\].cast(ar\[0\].type.array(1))" \
97 ".1, 2." "cast to array with one argument"
98 gdb_test "python print ar\[0\].cast(ar\[0\].type.array(0, 1))" \
99 ".1, 2." "cast to array with two arguments"
101 gdb_test "python print ar\[0\].type == ar\[0\].type" "True"
104 proc test_base_class {} {
105 gdb_py_test_silent_cmd "print d" "print value" 1
106 gdb_py_test_silent_cmd "python d = gdb.history (0)" "get value from history" 1
107 gdb_py_test_silent_cmd "python fields = d.type.fields()" "get value from history" 1
108 gdb_test "python print len(fields)" "3" "Check the number of fields"
109 gdb_test "python print fields\[0\].is_base_class" "True" "Check base class"
110 gdb_test "python print fields\[1\].is_base_class" "False" "Check base class"
115 # Test a valid range request.
116 gdb_py_test_silent_cmd "print ar" "print value" 1
117 gdb_py_test_silent_cmd "python ar = gdb.history (0)" "get value from history" 1
118 gdb_test "python print len(ar.type.range())" "2" "Check correct tuple length"
119 gdb_test "python print ar.type.range()\[0\]" "0" "Check low range"
120 gdb_test "python print ar.type.range()\[1\]" "1" "Check high range"
122 # Test a range request on a ranged type.
123 gdb_py_test_silent_cmd "print ar" "print value" 1
124 gdb_py_test_silent_cmd "python ar = gdb.history (0)" "get value from history" 1
125 gdb_py_test_silent_cmd "python fields = ar.type.fields()" "get fields" 1
126 gdb_test "python print fields\[0\].type.range()\[0\]" "0" "Check range type low bound"
127 gdb_test "python print fields\[0\].type.range()\[1\]" "1" "Check range type high bound"
129 # Test where a range does not exist.
130 gdb_py_test_silent_cmd "print st" "print value" 1
131 gdb_py_test_silent_cmd "python st = gdb.history (0)" "get value from history" 1
132 gdb_test "python print st.type.range()" "RuntimeError: This type does not have a range.*" "Check range for non ranged type."
135 # Some tests of template arguments.
136 proc test_template {} {
137 gdb_py_test_silent_cmd \
138 "python ttype = gdb.parse_and_eval('temvar').type" \
139 "get type of temvar" \
142 gdb_test "python print ttype.template_argument(0)" "D"
143 gdb_test "python print isinstance(ttype.template_argument(0), gdb.Type)" \
146 # The next two tests require a GCC that emits DW_TAG_template_*.
147 # GCC 4.4 does not emit it, 4.5 and 6 do emit it.
149 if {[test_compiler_info {gcc-[0-3]-*}]
150 || [test_compiler_info {gcc-4-[0-4]-*}]} {
153 if $have_older_gcc { setup_xfail *-*-* }
154 gdb_test "python print ttype.template_argument(1)" "23"
155 if $have_older_gcc { setup_xfail *-*-* }
156 gdb_test "python print isinstance(ttype.template_argument(1), gdb.Value)" \
159 setup_kfail "gcc/41736" *-*-*
160 gdb_test "python print ttype.template_argument(2)" "&C::c"
167 # Skip all tests if Python scripting is not enabled.
168 if { [skip_python_tests] } { continue }
170 runto_bp "break to inspect struct and array."
176 runto_bp "break to inspect struct and array."