gdb/testsuite/gdb.python/py-value-cc.exp

   1 # Copyright (C) 2012-2023 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
  19 if { [skip_cplus_tests] } { continue }
  20
  21 standard_testfile .cc
  22
  23 if {[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.
  28 if { [skip_python_tests] } { continue }
  29
  30 if ![runto_main] {
  31    return -1
  32 }
  33
  34 gdb_breakpoint [gdb_get_line_number "Break here."]
  35 gdb_continue_to_breakpoint "Break here" ".*Break here.*"
  36
  37 gdb_test "python print (str(gdb.parse_and_eval(\"a\").type))" "const A &"
  38 gdb_test "python print (str(gdb.parse_and_eval(\"a\").referenced_value().type))" "const A"
  39 gdb_test "python print (str(gdb.parse_and_eval(\"int_ref\").type))" "int &"
  40 gdb_test "python print (str(gdb.parse_and_eval(\"int_ref\").referenced_value().type))" "int"
  41 gdb_test "python print (str(gdb.parse_and_eval(\"int_ref\").referenced_value()))" "10"
  42
  43 gdb_test "python print (str(gdb.parse_and_eval(\"int_ptr_ref\").dereference().type))" "int"
  44 gdb_test "python print (str(gdb.parse_and_eval(\"int_ptr_ref\").referenced_value().type))" "int_ptr"
  45 gdb_test "python print (str(gdb.parse_and_eval(\"int_ptr_ref\").referenced_value().dereference()))" "10"
  46 gdb_test "python print (str(gdb.parse_and_eval(\"int_ptr_ref\").referenced_value().referenced_value()))" "10"
  47
  48 # Tests for gdb.Value[gdb.Field]
  49 gdb_test_no_output "python b = gdb.parse_and_eval('b')" "init b"
  50 gdb_test_no_output "python b_fields = b.type.fields()" "init b_fields"
  51 gdb_test_no_output "python b_obj = gdb.parse_and_eval('b_obj')" "init b_obj"
  52 gdb_test_no_output "python b_ref = gdb.parse_and_eval('b_ref')" "init b_ref"
  53 gdb_test_no_output "python b_td = gdb.parse_and_eval('b_td')" "init b_td"
  54 gdb_test_no_output "python u = gdb.parse_and_eval('u')" "init u"
  55 gdb_test_no_output "python u_fields = u.type.fields()" "init u_fields"
  56 gdb_test_no_output "python x = gdb.parse_and_eval('x')" "init x"
  57 gdb_test_no_output "python x_fields = x.type.fields()" "init x_fields"
  58 gdb_test_no_output "python uu = gdb.parse_and_eval('uu')" "init uu"
  59 gdb_test_no_output "python uu_fields = uu.type.fields()" "init uu_fields"
  60 gdb_test_no_output "python x_ptr = gdb.parse_and_eval('x_ptr')" "init x_ptr"
  61 gdb_test_no_output "python xtd = gdb.parse_and_eval('xtd')" "init xtd"
  62
  63 gdb_test "python print(b\[b_fields\[1\]\])" "97 'a'" "b.a via field"
  64 gdb_test "python print(b\[b_fields\[0\]\].type)" "A" \
  65   "type of b's base class via field"
  66 gdb_test "python print(b\[b_fields\[0\]\]\['a'\])" "10" "b.A::a via field"
  67
  68 gdb_test "python print(b_obj\[b_fields\[1\]\])" "98 'b'" "b_obj->a via field"
  69 gdb_test "python print(b_obj\[b_fields\[0\]\].type.target())" "A" \
  70   "type of b_obj's base class via field"
  71 gdb_test "python print(b_obj\[b_fields\[0\]\]\['a'\])" "100" \
  72   "b_obj->A::a via field"
  73
  74 gdb_test "python print(b_ref\[b_fields\[1\]\])" "98 'b'" "b_ref.a via field"
  75 gdb_test "python print(b_ref\[b_fields\[0\]\].type.target())" "A" \
  76   "type of b_ref's base class via field"
  77 gdb_test "python print(b_ref\[b_fields\[0\]\]\['a'\])" "100" \
  78   "b_ref.A::a via field"
  79
  80 gdb_test "python print(b_td\[b_fields\[1\]\])" "98 'b'" "b_td.a via field"
  81 gdb_test "python print(b_td\[b_fields\[0\]\].type.target())" "A" \
  82   "type of b_td's base class via field"
  83 gdb_test "python print(b_td\[b_fields\[0\]\]\['a'\])" "100" \
  84   "b_td.A::a via field"
  85
  86 gdb_test "python print(u\[u_fields\[0\]\])" "99.*" "u's first field via field"
  87 gdb_test "python print(u\[u_fields\[1\]\])" "99.*" "u's second field via field"
  88
  89 gdb_test "python print(len(x_fields))" "2" "number for fields in u"
  90 gdb_test "python print(x\[x_fields\[0\]\]\['x'\])" "101" "x.x via field"
  91 gdb_test "python print(x\[x_fields\[1\]\]\['a'\])" "102" "x.a via field"
  92 gdb_test "python print(x_ptr\[x_fields\[0\]\]\['x'\])" "101" "x_ptr->x via field"
  93 gdb_test "python print(x_ptr\[x_fields\[1\]\]\['a'\])" "102" "x_ptr->a via field"
  94 gdb_test "python print(xtd\[x_fields\[0\]\]\['x'\])" "101" "xtd->x via field"
  95 gdb_test "python print(xtd\[x_fields\[1\]\]\['a'\])" "102" "xtd->a via field"
  96
  97 gdb_test "python print(len(uu_fields))" "2" "number of fields in uu"
  98 gdb_test "python print(uu\[uu_fields\[0\]\]\['x'\])" "1000" "uu.x via field"
  99 gdb_test "python print(uu\[uu_fields\[1\]\]\['a'\])" "1000" "uu.a via field"
 100
 101 # Test overloaded operators.
 102 gdb_test_no_output "python a = gdb.parse_and_eval('a')" "init a"
 103 gdb_test "python print(a + 5)" "10" "a + 5"