1# Copyright (C) 2012-2020 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# This file is part of the GDB testsuite. It tests the mechanism 17# exposing values to Python. 18 19if { [skip_cplus_tests] } { continue } 20 21standard_testfile .cc 22 23if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} { 24 return -1 25} 26 27# Skip all tests if Python scripting is not enabled. 28if { [skip_python_tests] } { continue } 29 30if ![runto_main] { 31 return -1 32} 33 34gdb_breakpoint [gdb_get_line_number "Break here."] 35gdb_continue_to_breakpoint "Break here" ".*Break here.*" 36 37gdb_test "python print (str(gdb.parse_and_eval(\"a\").type))" "const A &" 38gdb_test "python print (str(gdb.parse_and_eval(\"a\").referenced_value().type))" "const A" 39gdb_test "python print (str(gdb.parse_and_eval(\"int_ref\").type))" "int &" 40gdb_test "python print (str(gdb.parse_and_eval(\"int_ref\").referenced_value().type))" "int" 41gdb_test "python print (str(gdb.parse_and_eval(\"int_ref\").referenced_value()))" "10" 42 43gdb_test "python print (str(gdb.parse_and_eval(\"int_ptr_ref\").dereference().type))" "int" 44gdb_test "python print (str(gdb.parse_and_eval(\"int_ptr_ref\").referenced_value().type))" "int_ptr" 45gdb_test "python print (str(gdb.parse_and_eval(\"int_ptr_ref\").referenced_value().dereference()))" "10" 46gdb_test "python print (str(gdb.parse_and_eval(\"int_ptr_ref\").referenced_value().referenced_value()))" "10" 47 48# Tests for gdb.Value[gdb.Field] 49gdb_test_no_output "python b = gdb.parse_and_eval('b')" "init b" 50gdb_test_no_output "python b_fields = b.type.fields()" "init b_fields" 51gdb_test_no_output "python b_obj = gdb.parse_and_eval('b_obj')" "init b_obj" 52gdb_test_no_output "python b_ref = gdb.parse_and_eval('b_ref')" "init b_ref" 53gdb_test_no_output "python b_td = gdb.parse_and_eval('b_td')" "init b_td" 54gdb_test_no_output "python u = gdb.parse_and_eval('u')" "init u" 55gdb_test_no_output "python u_fields = u.type.fields()" "init u_fields" 56gdb_test_no_output "python x = gdb.parse_and_eval('x')" "init x" 57gdb_test_no_output "python x_fields = x.type.fields()" "init x_fields" 58gdb_test_no_output "python uu = gdb.parse_and_eval('uu')" "init uu" 59gdb_test_no_output "python uu_fields = uu.type.fields()" "init uu_fields" 60gdb_test_no_output "python x_ptr = gdb.parse_and_eval('x_ptr')" "init x_ptr" 61gdb_test_no_output "python xtd = gdb.parse_and_eval('xtd')" "init xtd" 62 63gdb_test "python print(b\[b_fields\[1\]\])" "97 'a'" "b.a via field" 64 65gdb_test "python print(b\[b_fields\[1\]\])" "97 'a'" "b.a via field" 66gdb_test "python print(b\[b_fields\[0\]\].type)" "A" \ 67 "type of b's base class via field" 68gdb_test "python print(b\[b_fields\[0\]\]\['a'\])" "10" "b.A::a via field" 69 70gdb_test "python print(b_obj\[b_fields\[1\]\])" "98 'b'" "b_obj->a via field" 71gdb_test "python print(b_obj\[b_fields\[0\]\].type.target())" "A" \ 72 "type of b_obj's base class via field" 73gdb_test "python print(b_obj\[b_fields\[0\]\]\['a'\])" "100" \ 74 "b_obj->A::a via field" 75 76gdb_test "python print(b_ref\[b_fields\[1\]\])" "98 'b'" "b_ref.a via field" 77gdb_test "python print(b_ref\[b_fields\[0\]\].type.target())" "A" \ 78 "type of b_ref's base class via field" 79gdb_test "python print(b_ref\[b_fields\[0\]\]\['a'\])" "100" \ 80 "b_ref.A::a via field" 81 82gdb_test "python print(b_td\[b_fields\[1\]\])" "98 'b'" "b_td.a via field" 83gdb_test "python print(b_td\[b_fields\[0\]\].type.target())" "A" \ 84 "type of b_td's base class via field" 85gdb_test "python print(b_td\[b_fields\[0\]\]\['a'\])" "100" \ 86 "b_td.A::a via field" 87 88gdb_test "python print(u\[u_fields\[0\]\])" "99.*" "u's first field via field" 89gdb_test "python print(u\[u_fields\[1\]\])" "99.*" "u's second field via field" 90 91gdb_test "python print(len(x_fields))" "2" "number for fields in u" 92gdb_test "python print(x\[x_fields\[0\]\]\['x'\])" "101" "x.x via field" 93gdb_test "python print(x\[x_fields\[1\]\]\['a'\])" "102" "x.a via field" 94gdb_test "python print(x_ptr\[x_fields\[0\]\]\['x'\])" "101" "x_ptr->x via field" 95gdb_test "python print(x_ptr\[x_fields\[1\]\]\['a'\])" "102" "x_ptr->a via field" 96gdb_test "python print(xtd\[x_fields\[0\]\]\['x'\])" "101" "xtd->x via field" 97gdb_test "python print(xtd\[x_fields\[1\]\]\['a'\])" "102" "xtd->a via field" 98 99gdb_test "python print(len(uu_fields))" "2" "number of fields in uu" 100gdb_test "python print(uu\[uu_fields\[0\]\]\['x'\])" "1000" "uu.x via field" 101gdb_test "python print(uu\[uu_fields\[1\]\]\['a'\])" "1000" "uu.a via field" 102 103# Test overloaded operators. 104gdb_test_no_output "python a = gdb.parse_and_eval('a')" "init a" 105gdb_test "python print(a + 5)" "10" "a + 5" 106