a16b0e220d
PR python/16113 * NEWS (Python Scripting): Add entry for the new feature and the new attribute of gdb.Field objects. * python/py-type.c (gdbpy_is_field): New function (convert_field): Add 'parent_type' attribute to gdb.Field objects. * python/py-value.c (valpy_getitem): Allow subscript value to be a gdb.Field object. (value_has_field): New function (get_field_flag): New function * python/python-internal.h (gdbpy_is_field): Add declaration. testsuite/ * gdb.python/py-value-cc.cc: Improve test case. * gdb.python/py-value-cc.exp: Add new tests to test usage of gdb.Field objects as subscripts on gdb.Value objects. doc/ * gdb.texinfo (Values From Inferior): Add a note about using gdb.Field objects as subscripts on gdb.Value objects. (Types In Python): Add description about the new attribute "parent_type" of gdb.Field objects.
81 lines
3.7 KiB
Text
81 lines
3.7 KiB
Text
# Copyright (C) 2012-2013 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# This file is part of the GDB testsuite. It tests the mechanism
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# exposing values to Python.
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if { [skip_cplus_tests] } { continue }
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standard_testfile .cc
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if {[prepare_for_testing $testfile.exp $testfile $srcfile {debug c++}]} {
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return -1
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}
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# Skip all tests if Python scripting is not enabled.
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if { [skip_python_tests] } { continue }
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if ![runto_main] {
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return -1
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}
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gdb_breakpoint [gdb_get_line_number "Break here."]
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gdb_continue_to_breakpoint "Break here" ".*Break here.*"
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gdb_test "python print (str(gdb.parse_and_eval(\"a\").type))" "const A &"
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gdb_test "python print (str(gdb.parse_and_eval(\"a\").referenced_value().type))" "const A"
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gdb_test "python print (str(gdb.parse_and_eval(\"int_ref\").type))" "int &"
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gdb_test "python print (str(gdb.parse_and_eval(\"int_ref\").referenced_value().type))" "int"
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gdb_test "python print (str(gdb.parse_and_eval(\"int_ref\").referenced_value()))" "10"
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gdb_test "python print (str(gdb.parse_and_eval(\"int_ptr_ref\").dereference().type))" "int"
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gdb_test "python print (str(gdb.parse_and_eval(\"int_ptr_ref\").referenced_value().type))" "int_ptr"
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gdb_test "python print (str(gdb.parse_and_eval(\"int_ptr_ref\").referenced_value().dereference()))" "10"
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gdb_test "python print (str(gdb.parse_and_eval(\"int_ptr_ref\").referenced_value().referenced_value()))" "10"
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# Tests for gdb.Value[gdb.Field]
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gdb_test_no_output "python b = gdb.parse_and_eval('b')" "init b"
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gdb_test_no_output "python b_fields = b.type.fields()" "init b_fields"
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gdb_test_no_output "python b_obj = gdb.parse_and_eval('b_obj')" "init b_obj"
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gdb_test_no_output "python b_ref = gdb.parse_and_eval('b_ref')" "init b_ref"
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gdb_test_no_output "python b_td = gdb.parse_and_eval('b_td')" "init b_td"
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gdb_test_no_output "python u = gdb.parse_and_eval('u')" "init u"
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gdb_test_no_output "python u_fields = u.type.fields()" "init u_fields"
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gdb_test "python print(b\[b_fields\[1\]\])" "97 'a'" "b.a via field"
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gdb_test "python print(b\[b_fields\[0\]\].type)" "A" \
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"type of b's base class via field"
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gdb_test "python print(b\[b_fields\[0\]\]\['a'\])" "10" "b.A::a via field"
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gdb_test "python print(b_obj\[b_fields\[1\]\])" "98 'b'" "b_obj->a via field"
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gdb_test "python print(b_obj\[b_fields\[0\]\].type.target())" "A" \
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"type of b_obj's base class via field"
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gdb_test "python print(b_obj\[b_fields\[0\]\]\['a'\])" "100" \
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"b_obj->A::a via field"
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gdb_test "python print(b_ref\[b_fields\[1\]\])" "98 'b'" "b_ref.a via field"
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gdb_test "python print(b_ref\[b_fields\[0\]\].type.target())" "A" \
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"type of b_ref's base class via field"
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gdb_test "python print(b_ref\[b_fields\[0\]\]\['a'\])" "100" \
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"b_ref.A::a via field"
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gdb_test "python print(b_td\[b_fields\[1\]\])" "98 'b'" "b_td.a via field"
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gdb_test "python print(b_td\[b_fields\[0\]\].type.target())" "A" \
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"type of b_td's base class via field"
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gdb_test "python print(b_td\[b_fields\[0\]\]\['a'\])" "100" \
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"b_td.A::a via field"
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gdb_test "python print(u\[u_fields\[0\]\])" "99.*" "u's first field via field"
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gdb_test "python print(u\[u_fields\[1\]\])" "99.*" "u's second field via field"
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